annotate src/server/pages.py @ 1058:2290b6ec3991

pages (forums): first draft
author Goffi <goffi@goffi.org>
date Tue, 30 Jan 2018 08:15:04 +0100
parents 47c354ca66a3
children d127a85b2fee
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # Libervia: a Salut à Toi frontend
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5 # Copyright (C) 2011-2018 Jérôme Poisson <goffi@goffi.org>
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 from twisted.web import server
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20 from twisted.web import resource as web_resource
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21 from twisted.web import util as web_util
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22 from twisted.internet import defer
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23 from twisted.words.protocols.jabber import jid
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24 from twisted.python import failure
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25
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26 from sat.core.i18n import _
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27 from sat.core import exceptions
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28 from sat.tools.common import uri as common_uri
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29 from sat.tools import utils
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30 from sat.core.log import getLogger
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31 log = getLogger(__name__)
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32 from libervia.server.constants import Const as C
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33 from libervia.server import session_iface
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34 from libervia.server.utils import quote
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35 import libervia
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36
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37 from collections import namedtuple
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38 import uuid
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39 import os.path
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40 import urllib
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41 import time
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42 import hashlib
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43
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44 WebsocketMeta = namedtuple("WebsocketMeta", ('url', 'token', 'debug'))
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48 class CacheBase(object):
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49
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50 def __init__(self):
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51 self._created = time.time()
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52 self._last_access = self._created
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53
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54 @property
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55 def created(self):
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56 return self._created
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57
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58 @property
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59 def last_access(self):
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60 return self._last_access
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61
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62 @last_access.setter
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63 def last_access(self, timestamp):
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64 self._last_access = timestamp
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66
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67 class CachePage(CacheBase):
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68
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69 def __init__(self, rendered):
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70 super(CachePage, self).__init__()
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71 self._created = time.time()
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72 self._last_access = self._created
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73 self._rendered = rendered
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74 self._hash = hashlib.sha256(rendered).hexdigest()
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75
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76 @property
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77 def rendered(self):
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78 return self._rendered
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80 @property
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81 def hash(self):
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82 return self._hash
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84
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85 class CacheURL(CacheBase):
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86
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87 def __init__(self, request):
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88 super(CacheURL, self).__init__()
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89 try:
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90 self._data = request.data.copy()
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91 except AttributeError:
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92 self._data = {}
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93 self._template_data = request.template_data.copy()
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94 self._prepath = request.prepath[:]
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95 self._postpath = request.postpath[:]
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96 del self._template_data['csrf_token']
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97
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98 def use(self, request):
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99 self.last_access = time.time()
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100 request.data = self._data.copy()
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101 request.template_data.update(self._template_data)
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102 request.prepath = self._prepath[:]
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103 request.postpath = self._postpath[:]
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104
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105
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106 class LiberviaPage(web_resource.Resource):
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107 isLeaf = True # we handle subpages ourself
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108 named_pages = {}
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109 uri_callbacks = {}
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110 signals_handlers = {}
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111 pages_redirects = {}
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112 cache = {}
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113 cached_urls = {}
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114 # Set of tuples (service/node/sub_id) of nodes subscribed for caching
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115 # sub_id can be empty string if not handled by service
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116 cache_pubsub_sub = set()
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117 main_menu = None
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118
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119 def __init__(self, host, root_dir, url, name=None, redirect=None, access=None, dynamic=False, parse_url=None,
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120 prepare_render=None, render=None, template=None,
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121 on_data_post=None, on_data=None, on_signal=None,
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122 url_cache=False):
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123 """initiate LiberviaPages
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124
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125 LiberviaPages are the main resources of Libervia, using easy to set python files
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126 The arguments are the variables found in page_meta.py
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127 @param host(Libervia): the running instance of Libervia
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128 @param root_dir(unicode): aboslute file path of the page
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129 @param url(unicode): relative URL to the page
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130 this URL may not be valid, as pages may require path arguments
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131 @param name(unicode, None): if not None, a unique name to identify the page
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132 can then be used for e.g. redirection
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133 "/" is not allowed in names (as it can be used to construct URL paths)
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134 @param redirect(unicode, None): if not None, this page will be redirected. A redirected
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135 parameter is used as in self.pageRedirect. parse_url will not be skipped
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136 using this redirect parameter is called "full redirection"
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137 using self.pageRedirect is called "partial redirection" (because some rendering method
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138 can still be used, e.g. parse_url)
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139 @param access(unicode, None): permission needed to access the page
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140 None means public access.
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141 Pages inherit from parent pages: e.g. if a "settings" page is restricted to admins,
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142 and if "settings/blog" is public, it still can only be accessed by admins.
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143 see C.PAGES_ACCESS_* for details
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144 @param dynamic(bool): if True, activate websocket for bidirectional communication
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145 @param parse_url(callable, None): if set it will be called to handle the URL path
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146 after this method, the page will be rendered if noting is left in path (request.postpath)
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147 else a the request will be transmitted to a subpage
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148 @param prepare_render(callable, None): if set, will be used to prepare the rendering
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149 that often means gathering data using the bridge
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150 @param render(callable, None): if not template is set, this method will be called and
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151 what it returns will be rendered.
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152 This method is mutually exclusive with template and must return a unicode string.
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153 @param template(unicode, None): path to the template to render.
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154 This method is mutually exclusive with render
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155 @param on_data_post(callable, None): method to call when data is posted
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156 None if not post is handled
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157 on_data_post can return a string with following value:
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158 - C.POST_NO_CONFIRM: confirm flag will not be set
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159 @param on_data(callable, None): method to call when dynamic data is sent
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160 this method is used with Libervia's websocket mechanism
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161 @param on_signal(callable, None): method to call when a registered signal is received
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162 this method is used with Libervia's websocket mechanism
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163 """
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164
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165 web_resource.Resource.__init__(self)
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166 self.host = host
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167 self.root_dir = root_dir
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168 self.url = url
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169 self.name = name
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170 if name is not None:
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171 if name in self.named_pages:
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172 raise exceptions.ConflictError(_(u'a Libervia page named "{}" already exists'.format(name)))
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173 if u'/' in name:
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174 raise ValueError(_(u'"/" is not allowed in page names'))
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175 if not name:
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176 raise ValueError(_(u"a page name can't be empty"))
917
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177 self.named_pages[name] = self
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178 if access is None:
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179 access = C.PAGES_ACCESS_PUBLIC
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diff changeset
180 if access not in (C.PAGES_ACCESS_PUBLIC, C.PAGES_ACCESS_PROFILE, C.PAGES_ACCESS_NONE):
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diff changeset
181 raise NotImplementedError(_(u"{} access is not implemented yet").format(access))
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parents: 921
diff changeset
182 self.access = access
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183 self.dynamic = dynamic
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diff changeset
184 if redirect is not None:
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diff changeset
185 # only page access and name make sense in case of full redirection
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bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
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diff changeset
186 # so we check that rendering methods/values are not set
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parents: 922
diff changeset
187 if not all(lambda x: x is not None
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Goffi <goffi@goffi.org>
parents: 922
diff changeset
188 for x in (parse_url, prepare_render, render, template)):
980
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
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parents: 979
diff changeset
189 raise ValueError(_(u"you can't use full page redirection with other rendering method,"
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parents: 979
diff changeset
190 u"check self.pageRedirect if you need to use them"))
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diff changeset
191 self.redirect = redirect
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diff changeset
192 else:
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diff changeset
193 self.redirect = None
917
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194 self.parse_url = parse_url
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195 self.prepare_render = prepare_render
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196 self.template = template
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197 self.render_method = render
931
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198 self.on_data_post = on_data_post
995
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diff changeset
199 self.on_data = on_data
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diff changeset
200 self.on_signal = on_signal
1018
78af5457d3f8 Pages: added url_cache setting:
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diff changeset
201 self.url_cache = url_cache
922
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
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diff changeset
202 if access == C.PAGES_ACCESS_NONE:
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parents: 921
diff changeset
203 # none pages just return a 404, no further check is needed
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diff changeset
204 return
917
86563d6c83b0 server: Libervia pages:
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diff changeset
205 if template is None:
1049
6b1e1f13a299 pages: do not log error if there is not template and render method, but redirect is used
Goffi <goffi@goffi.org>
parents: 1041
diff changeset
206 if self.redirect is None and not callable(render):
917
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diff changeset
207 log.error(_(u"render must be implemented and callable if template is not set"))
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diff changeset
208 else:
86563d6c83b0 server: Libervia pages:
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diff changeset
209 if render is not None:
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diff changeset
210 log.error(_(u"render can't be used at the same time as template"))
86563d6c83b0 server: Libervia pages:
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diff changeset
211 if parse_url is not None and not callable(parse_url):
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
212 log.error(_(u"parse_url must be a callable"))
86563d6c83b0 server: Libervia pages:
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diff changeset
213
985
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parents: 984
diff changeset
214 # if not None, next rendering will be cached
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parents: 984
diff changeset
215 # it must then contain a list of the the keys to use (without the page instance)
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parents: 984
diff changeset
216 # e.g. [C.SERVICE_PROFILE, "pubsub", server@example.tld, pubsub_node] 
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diff changeset
217 self._do_cache = None
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diff changeset
218
64826e69f365 pages: cache mechanism, first draft:
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diff changeset
219 def __unicode__(self):
64826e69f365 pages: cache mechanism, first draft:
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parents: 984
diff changeset
220 return u'LiberviaPage {name} at {url}'.format(
64826e69f365 pages: cache mechanism, first draft:
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parents: 984
diff changeset
221 name = self.name or u'<anonymous>',
64826e69f365 pages: cache mechanism, first draft:
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parents: 984
diff changeset
222 url = self.url)
64826e69f365 pages: cache mechanism, first draft:
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parents: 984
diff changeset
223
64826e69f365 pages: cache mechanism, first draft:
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parents: 984
diff changeset
224 def __str__(self):
1013
841a595bee5a pages: fixed str representation of LiberviaPage
Goffi <goffi@goffi.org>
parents: 1010
diff changeset
225 return self.__unicode__().encode('utf-8')
985
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diff changeset
226
925
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diff changeset
227 @classmethod
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diff changeset
228 def importPages(cls, host, parent=None, path=None):
937
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
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parents: 936
diff changeset
229 """Recursively import Libervia pages"""
917
86563d6c83b0 server: Libervia pages:
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diff changeset
230 if path is None:
86563d6c83b0 server: Libervia pages:
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diff changeset
231 path = []
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
232 if parent is None:
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
233 root_dir = os.path.join(os.path.dirname(libervia.__file__), C.PAGES_DIR)
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
234 parent = host
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
235 else:
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
236 root_dir = parent.root_dir
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
237 for d in os.listdir(root_dir):
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
238 dir_path = os.path.join(root_dir, d)
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
239 if not os.path.isdir(dir_path):
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
240 continue
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
241 meta_path = os.path.join(dir_path, C.PAGES_META_FILE)
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
242 if os.path.isfile(meta_path):
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
243 page_data = {}
962
c7fba7709d05 Pages: various improvments:
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parents: 961
diff changeset
244 new_path = path + [d]
917
86563d6c83b0 server: Libervia pages:
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diff changeset
245 # we don't want to force the presence of __init__.py
86563d6c83b0 server: Libervia pages:
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diff changeset
246 # so we use execfile instead of import.
86563d6c83b0 server: Libervia pages:
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diff changeset
247 # TODO: when moved to Python 3, __init__.py is not mandatory anymore
86563d6c83b0 server: Libervia pages:
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diff changeset
248 # so we can switch to import
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
249 execfile(meta_path, page_data)
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
250 resource = LiberviaPage(
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
251 host,
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
252 dir_path,
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
253 u'/' + u'/'.join(new_path),
917
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parents: 915
diff changeset
254 name=page_data.get('name'),
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents: 922
diff changeset
255 redirect=page_data.get('redirect'),
917
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
256 access=page_data.get('access'),
995
f88325b56a6a server: dynamic pages first draft:
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diff changeset
257 dynamic=page_data.get('dynamic', False),
917
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
258 parse_url=page_data.get('parse_url'),
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
259 prepare_render=page_data.get('prepare_render'),
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
260 render=page_data.get('render'),
931
8a393ae90f8c server (pages): post requests are now handled:
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parents: 927
diff changeset
261 template=page_data.get('template'),
995
f88325b56a6a server: dynamic pages first draft:
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parents: 994
diff changeset
262 on_data_post=page_data.get('on_data_post'),
f88325b56a6a server: dynamic pages first draft:
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parents: 994
diff changeset
263 on_data=page_data.get('on_data'),
f88325b56a6a server: dynamic pages first draft:
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parents: 994
diff changeset
264 on_signal=page_data.get('on_signal'),
1018
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
265 url_cache=page_data.get('url_cache', False),
995
f88325b56a6a server: dynamic pages first draft:
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parents: 994
diff changeset
266 )
917
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
267 parent.putChild(d, resource)
86563d6c83b0 server: Libervia pages:
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parents: 915
diff changeset
268 log.info(u"Added /{path} page".format(path=u'[...]/'.join(new_path)))
925
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
269 if 'uri_handlers' in page_data:
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
270 if not isinstance(page_data, dict):
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
271 log.error(_(u'uri_handlers must be a dict'))
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
272 else:
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
273 for uri_tuple, cb_name in page_data['uri_handlers'].iteritems():
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
274 if len(uri_tuple) != 2 or not isinstance(cb_name, basestring):
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
275 log.error(_(u"invalid uri_tuple"))
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
276 continue
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
277 log.info(_(u'setting {}/{} URIs handler').format(*uri_tuple))
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
278 try:
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
279 cb = page_data[cb_name]
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
280 except KeyError:
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
281 log.error(_(u'missing {name} method to handle {1}/{2}').format(
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
282 name = cb_name, *uri_tuple))
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
283 continue
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
284 else:
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
285 resource.registerURI(uri_tuple, cb)
925
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
286
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
287 LiberviaPage.importPages(host, resource, new_path)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
288
925
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
289 @classmethod
990
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
290 def setMenu(cls, menus):
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
291 main_menu = []
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
292 for menu in menus:
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
293 if not menu:
1003
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
294 msg = _(u"menu item can't be empty")
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
295 log.error(msg)
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
296 raise ValueError(msg)
990
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
297 elif isinstance(menu, list):
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
298 if len(menu) != 2:
1003
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
299 msg = _(u"menu item as list must be in the form [page_name, absolue URL]")
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
300 log.error(msg)
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
301 raise ValueError(msg)
990
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
302 page_name, url = menu
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
303 else:
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
304 page_name = menu
1003
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
305 try:
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
306 url = cls.getPageByName(page_name).url
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
307 except KeyError as e:
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
308 log.error(_(u"Can'find a named page ({msg}), please check menu_json in configuration.").format(msg=e))
05cc33d8e328 server: better error message on init issue / menu_json trouble + stop reactor in this case.
Goffi <goffi@goffi.org>
parents: 998
diff changeset
309 raise e
990
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
310 main_menu.append((page_name, url))
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
311 cls.main_menu = main_menu
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
312
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
313 def registerURI(self, uri_tuple, get_uri_cb):
925
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
314 """register a URI handler
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
315
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
316 @param uri_tuple(tuple[unicode, unicode]): type or URIs handler
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
317 type/subtype as returned by tools/common/parseXMPPUri
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
318 or type/None to handle all subtypes
925
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
319 @param get_uri_cb(callable): method which take uri_data dict as only argument
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
320 and return absolute path with correct arguments or None if the page
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
321 can't handle this URL
925
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
322 """
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
323 if uri_tuple in self.uri_callbacks:
925
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
324 log.info(_(u"{}/{} URIs are already handled, replacing by the new handler").format(*uri_tuple))
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
325 self.uri_callbacks[uri_tuple] = (self, get_uri_cb)
925
e00151140f77 server (pages): URIs handling:
Goffi <goffi@goffi.org>
parents: 924
diff changeset
326
995
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
327 def registerSignal(self, request, signal, check_profile=True):
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
328 r"""register a signal handler
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
329
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
330 the page must be dynamic
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
331 when signal is received, self.on_signal will be called with:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
332 - request
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
333 - signal name
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
334 - signal arguments
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
335 signal handler will be removed when connection with dynamic page will be lost
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
336 @param signal(unicode): name of the signal
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
337 last arg of signal must be profile, as it will be checked to filter signals
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
338 @param check_profile(bool): if True, signal profile (which MUST be last arg) will be
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
339 checked against session profile.
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
340 /!\ if False, profile will not be checked/filtered, be sure to know what you are doing
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
341 if you unset this option /!\
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
342 """
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
343 # FIXME: add a timeout, if socket is not opened before it, signal handler must be removed
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
344 if not self.dynamic:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
345 log.error(_(u"You can't register signal if page is not dynamic"))
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
346 return
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
347 LiberviaPage.signals_handlers.setdefault(signal, {})[id(request)] = (self, request, check_profile)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
348 request._signals_registered.append(signal)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
349
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
350 @classmethod
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
351 def getPagePathFromURI(cls, uri):
927
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
352 """Retrieve page URL from xmpp: URI
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
353
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
354 @param uri(unicode): URI with a xmpp: scheme
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
355 @return (unicode,None): absolute path (starting from root "/") to page handling the URI
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
356 None is returned if no page has been registered for this URI
927
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
357 """
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
358 uri_data = common_uri.parseXMPPUri(uri)
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
359 try:
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
360 page, cb = cls.uri_callbacks[uri_data['type'], uri_data['sub_type']]
927
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
361 except KeyError:
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
362 url = None
927
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
363 else:
1038
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
364 url = cb(page, uri_data)
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
365 if url is None:
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
366 # no handler found
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
367 # we try to find a more generic one
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
368 try:
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
369 page, cb = cls.uri_callbacks[uri_data['type'], None]
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
370 except KeyError:
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
371 pass
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
372 else:
6b906b1f419a pages: fixed XMPP URIs handling
Goffi <goffi@goffi.org>
parents: 1033
diff changeset
373 url = cb(page, uri_data)
927
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
374 return url
bb4dfc2802c0 server (pages): added getPagePathFromURI method to retrieve page handling an URI
Goffi <goffi@goffi.org>
parents: 926
diff changeset
375
979
1d558dfb32ca server: pages redirection:
Goffi <goffi@goffi.org>
parents: 978
diff changeset
376 @classmethod
1d558dfb32ca server: pages redirection:
Goffi <goffi@goffi.org>
parents: 978
diff changeset
377 def getPageByName(cls, name):
936
78692d47340d server (pages): added getPageByName
Goffi <goffi@goffi.org>
parents: 935
diff changeset
378 """retrieve page instance from its name
78692d47340d server (pages): added getPageByName
Goffi <goffi@goffi.org>
parents: 935
diff changeset
379
78692d47340d server (pages): added getPageByName
Goffi <goffi@goffi.org>
parents: 935
diff changeset
380 @param name(unicode): name of the page
78692d47340d server (pages): added getPageByName
Goffi <goffi@goffi.org>
parents: 935
diff changeset
381 @return (LiberviaPage): page instance
78692d47340d server (pages): added getPageByName
Goffi <goffi@goffi.org>
parents: 935
diff changeset
382 @raise KeyError: the page doesn't exist
78692d47340d server (pages): added getPageByName
Goffi <goffi@goffi.org>
parents: 935
diff changeset
383 """
979
1d558dfb32ca server: pages redirection:
Goffi <goffi@goffi.org>
parents: 978
diff changeset
384 return cls.named_pages[name]
936
78692d47340d server (pages): added getPageByName
Goffi <goffi@goffi.org>
parents: 935
diff changeset
385
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
386 def getPageRedirectURL(self, request, page_name=u'login', url=None):
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
387 """generate URL for a page with redirect_url parameter set
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
388
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
389 mainly used for login page with redirection to current page
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
390 @param request(server.Request): current HTTP request
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
391 @param page_name(unicode): name of the page to go
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
392 @param url(None, unicode): url to redirect to
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
393 None to use request path (i.e. current page)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
394 @return (unicode): URL to use
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
395 """
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
396 return u'{root_url}?redirect_url={redirect_url}'.format(
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
397 root_url = self.getPageByName(page_name).url,
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
398 redirect_url=urllib.quote_plus(request.uri) if url is None else url.encode('utf-8'))
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
399
972
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
400 def getURL(self, *args):
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
401 """retrieve URL of the page set arguments
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
402
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
403 *args(list[unicode]): argument to add to the URL as path elements
1014
dfced7992460 pages: ignore empty or unset arguments in getURL
Goffi <goffi@goffi.org>
parents: 1013
diff changeset
404 empty or None arguments will be ignored
972
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
405 """
1014
dfced7992460 pages: ignore empty or unset arguments in getURL
Goffi <goffi@goffi.org>
parents: 1013
diff changeset
406 url_args = [quote(a) for a in args if a]
980
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
407
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
408 if self.name is not None and self.name in self.pages_redirects:
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
409 # we check for redirection
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
410 redirect_data = self.pages_redirects[self.name]
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
411 args_hash = tuple(args)
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
412 for limit in xrange(len(args)+1):
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
413 current_hash = args_hash[:limit]
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
414 if current_hash in redirect_data:
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
415 url_base = redirect_data[current_hash]
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
416 remaining = args[limit:]
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
417 remaining_url = '/'.join(remaining)
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
418 return os.path.join('/', url_base, remaining_url)
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
419
972
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
420 return os.path.join(self.url, *url_args)
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
421
1010
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
422 def getCurrentURL(self, request):
1015
16d52917666c pages: fixed redirection
Goffi <goffi@goffi.org>
parents: 1014
diff changeset
423 """retrieve URL used to access this page
1010
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
424
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
425 @return(unicode): current URL
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
426 """
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
427 # we get url in the following way (splitting request.path instead of using
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
428 # request.prepath) because request.prepath may have been modified by
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
429 # redirection (if redirection args have been specified), while path reflect
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
430 # the real request
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
431
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
432 # we ignore empty path elements (i.e. double '/' or '/' at the end)
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
433 path_elts = [p for p in request.path.split('/') if p]
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
434
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
435 if request.postpath:
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
436 if not request.postpath[-1]:
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
437 # we remove trailing slash
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
438 request.postpath = request.postpath[:-1]
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
439 if request.postpath:
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
440 # getSubPageURL must return subpage from the point where
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
441 # the it is called, so we have to remove remanining
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
442 # path elements
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
443 path_elts = path_elts[:-len(request.postpath)]
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
444
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
445 return u'/' + '/'.join(path_elts).decode('utf-8')
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
446
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
447 def getParamURL(self, request, **kwargs):
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
448 """use URL of current request but modify the parameters in query part
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
449
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
450 **kwargs(dict[str, unicode]): argument to use as query parameters
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
451 @return (unicode): constructed URL
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
452 """
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
453 current_url = self.getCurrentURL(request)
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
454 if kwargs:
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
455 encoded = urllib.urlencode({k:v.encode('utf-8') for k,v in kwargs.iteritems()}).decode('utf-8')
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
456 current_url = current_url + u'?' + encoded
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
457 return current_url
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
458
1030
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
459 def getSubPageByName(self, page, subpage_name):
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
460 """retrieve a subpage and its path using its name
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
461
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
462 @param request(server.Request): current HTTP request
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
463 @param page_name(unicode): name of the page to retrieve
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
464 it must be a direct children of current page
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
465 @return (tuple[str, LiberviaPage]): page subpath and instance
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
466 @raise exceptions.NotFound: no page has been found
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
467 """
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
468 for path, child in page.children.iteritems():
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
469 try:
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
470 child_name = child.name
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
471 except AttributeError:
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
472 # LiberviaPages have a name, but maybe this is an other Resource
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
473 continue
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
474 if child_name == subpage_name:
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
475 return path, child
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
476 raise exceptions.NotFound(_(u'requested sub page has not been found'))
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
477
980
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
478 def getSubPageURL(self, request, page_name, *args):
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
479 """retrieve a page in direct children and build its URL according to request
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
480
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
481 request's current path is used as base (at current parsing point,
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
482 i.e. it's more prepath than path).
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
483 Requested page is checked in children and an absolute URL is then built
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
484 by the resulting combination.
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
485 This method is useful to construct absolute URLs for children instead of
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
486 using relative path, which may not work in subpages, and are linked to the
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
487 names of directories (i.e. relative URL will break if subdirectory is renamed
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
488 while getSubPageURL won't as long as page_name is consistent).
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
489 Also, request.path is used, keeping real path used by user,
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
490 and potential redirections.
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
491 @param request(server.Request): current HTTP request
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
492 @param page_name(unicode): name of the page to retrieve
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
493 it must be a direct children of current page
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
494 @param *args(list[unicode]): arguments to add as path elements
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
495 @return unicode: absolute URL to the sub page
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
496 """
1010
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
497 current_url = self.getCurrentURL(request)
1030
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
498 path, child = self.getSubPageByName(self, page_name)
66a050b32df8 pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents: 1019
diff changeset
499 return os.path.join(u'/', current_url, path, *[quote(a) for a in args])
980
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
500
1031
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
501 def getURLByNames(self, named_path):
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
502 """retrieve URL from pages names and arguments
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
503
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
504 @param named_path(list[tuple[unicode, list[unicode]]]): path to the page as a list
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
505 of tuples of 2 items:
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
506 - first item is page name
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
507 - second item is list of path arguments of this page
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
508 @return (unicode): URL to the requested page with given path arguments
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
509 @raise exceptions.NotFound: one of the page was not found
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
510 """
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
511 current_page = None
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
512 path = []
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
513 for page_name, page_args in named_path:
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
514 if current_page is None:
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
515 current_page = self.getPageByName(page_name)
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
516 path.append(current_page.getURL(*page_args))
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
517 else:
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
518 sub_path, current_page = self.getSubPageByName(current_page, page_name)
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
519 path.append(sub_path)
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
520 if page_args:
4ba7df23b976 pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents: 1030
diff changeset
521 path.extend([quote(a) for a in page_args])
1041
688b52897ba0 pages: check redirections on getURLByNames
Goffi <goffi@goffi.org>
parents: 1038
diff changeset
522 return self.host.checkRedirection(u'/'.join(path))
980
bcacf970f970 core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents: 979
diff changeset
523
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
524 def getChildWithDefault(self, path, request):
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
525 # we handle children ourselves
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
526 raise exceptions.InternalError(u"this method should not be used with LiberviaPage")
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
527
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
528 def nextPath(self, request):
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
529 """get next URL path segment, and update request accordingly
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
530
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
531 will move first segment of postpath in prepath
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
532 @param request(server.Request): current HTTP request
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
533 @return (unicode): unquoted segment
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
534 @raise IndexError: there is no segment left
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
535 """
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
536 pathElement = request.postpath.pop(0)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
537 request.prepath.append(pathElement)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
538 return urllib.unquote(pathElement).decode('utf-8')
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
539
1056
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
540 def getPathArgs(self, request, names, min_args=0, **kwargs):
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
541 """get several path arguments at once
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
542
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
543 Arguments will be put in request data.
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
544 Missing arguments will have None value
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
545 @param names(list[unicode]): list of arguments to get
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
546 @param min_args(int): if less than min_args are found, PageError is used with C.HTTP_BAD_REQUEST
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
547 @param **kwargs: special value or optional callback to use for arguments
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
548 names of the arguments must correspond to those in names
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
549 special values may be:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
550 - '': use empty string instead of None when no value is specified
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
551 - '@': if value of argument is empty or '@', empty string will be used
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
552 - 'jid': value must be converted to jid.JID if it exists, else empty string is used
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
553 - '@jid': if value of arguments is empty or '@', empty string will be used, else it will be converted to jid
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
554 """
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
555 data = self.getRData(request)
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
556
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
557 for idx, name in enumerate(names):
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
558 try:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
559 value = data[name] = self.nextPath(request)
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
560 except IndexError:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
561 if idx < min_args:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
562 log.warning(_(u"Missing arguments in URL (got {idx}, expected at least {min_args}").format(
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
563 idx = idx, min_args = min_args))
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
564 self.pageError(request, C.HTTP_BAD_REQUEST)
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
565 data[name] = None
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
566 break
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
567
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
568 for name in names[idx+1:]:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
569 data[name] = None
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
570
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
571 for name, handler in kwargs.iteritems():
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
572 value = data[name]
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
573
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
574 if handler in (u'@', u'@jid') and value == u'@':
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
575 value = None
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
576
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
577 if handler in (u'', u'@'):
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
578 if value is None:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
579 data[name] = u''
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
580 elif handler in (u'jid', u'@jid'):
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
581 if value:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
582 try:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
583 data[name] = jid.JID(value)
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
584 except RuntimeError:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
585 log.warning(_(u'invalid jid argument: {value}').format(value=value))
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
586 self.pageError(request, C.HTTP_BAD_REQUEST)
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
587 else:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
588 data[name] = u''
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
589 else:
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
590 data[name] = handler(data[self, request, name])
47c354ca66a3 pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents: 1054
diff changeset
591
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
592 ## Cache handling ##
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
593
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
594 def _setCacheHeaders(self, request, cache):
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
595 """Set ETag and Last-Modified HTTP headers, used for caching"""
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
596 request.setHeader('ETag', cache.hash)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
597 last_modified = self.host.getHTTPDate(cache.created)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
598 request.setHeader('Last-Modified', last_modified)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
599
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
600 def _checkCacheHeaders(self, request, cache):
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
601 """Check if a cache condition is set on the request
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
602
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
603 if condition is valid, C.HTTP_NOT_MODIFIED is returned
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
604 """
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
605 etag_match = request.getHeader('If-None-Match')
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
606 if etag_match is not None:
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
607 if cache.hash == etag_match:
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
608 self.pageError(request, C.HTTP_NOT_MODIFIED, no_body=True)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
609 else:
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
610 modified_match = request.getHeader('If-Modified-Since')
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
611 if modified_match is not None:
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
612 modified = utils.date_parse(modified_match)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
613 if modified >= int(cache.created):
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
614 self.pageError(request, C.HTTP_NOT_MODIFIED, no_body=True)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
615
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
616 def checkCacheSubscribeCb(self, sub_id, service, node):
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
617 self.cache_pubsub_sub.add((service, node, sub_id))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
618
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
619 def checkCacheSubscribeEb(self, failure_, service, node):
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
620 log.warning(_(u"Can't subscribe to node: {msg}").format(msg=failure_))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
621 # FIXME: cache must be marked as unusable here
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
622
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
623 def psNodeWatchAddEb(self, failure_, service, node):
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
624 log.warning(_(u"Can't add node watched: {msg}").format(msg=failure_))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
625
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
626 def checkCache(self, request, cache_type, **kwargs):
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
627 """check if a page is in cache and return cached version if suitable
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
628
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
629 this method may perform extra operation to handle cache (e.g. subscribing to a
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
630 pubsub node)
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
631 @param request(server.Request): current HTTP request
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
632 @param cache_type(int): on of C.CACHE_* const.
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
633 @param **kwargs: args according to cache_type:
1010
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
634 C.CACHE_PUBSUB:
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
635 service: pubsub service
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
636 node: pubsub node
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
637 short: short name of feature (needed if node is empty to find namespace)
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
638
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
639 """
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
640 if request.postpath:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
641 # we are not on the final page, no need to go further
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
642 return
1033
c34f08e05cdf pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents: 1032
diff changeset
643
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
644 profile = self.getProfile(request) or C.SERVICE_PROFILE
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
645
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
646 if cache_type == C.CACHE_PUBSUB:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
647 service, node = kwargs['service'], kwargs['node']
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
648 if not node:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
649 try:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
650 short = kwargs['short']
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
651 node = self.host.ns_map[short]
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
652 except KeyError:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
653 log.warning(_(u"Can't use cache for empty node without namespace set, please ensure to set \"short\" and that it is registered"))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
654 return
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
655 if profile != C.SERVICE_PROFILE:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
656 # only service profile is cache for now
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
657 return
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
658 try:
1052
cdf0ebed9db7 pages (caches): use request.uri to check cache, to avoid using same cache with pages using different parameters (e.g. different MAM filter for pubsub)
Goffi <goffi@goffi.org>
parents: 1049
diff changeset
659 cache = self.cache[profile][cache_type][service][node][request.uri][self]
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
660 except KeyError:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
661 # no cache yet, let's subscribe to the pubsub node
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
662 d1 = self.host.bridgeCall('psSubscribe', service.full(), node, {}, profile)
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
663 d1.addCallback(self.checkCacheSubscribeCb, service, node)
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
664 d1.addErrback(self.checkCacheSubscribeEb, service, node)
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
665 d2 = self.host.bridgeCall('psNodeWatchAdd', service.full(), node, profile)
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
666 d2.addErrback(self.psNodeWatchAddEb, service, node)
1052
cdf0ebed9db7 pages (caches): use request.uri to check cache, to avoid using same cache with pages using different parameters (e.g. different MAM filter for pubsub)
Goffi <goffi@goffi.org>
parents: 1049
diff changeset
667 self._do_cache = [self, profile, cache_type, service, node, request.uri]
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
668 # we don't return the Deferreds as it is not needed to wait for
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
669 # the subscription to continue with page rendering
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
670 return
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
671
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
672 else:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
673 raise exceptions.InternalError(u'Unknown cache_type')
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
674 log.debug(u'using cache for {page}'.format(page=self))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
675 cache.last_access = time.time()
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
676 self._setCacheHeaders(request, cache)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
677 self._checkCacheHeaders(request, cache)
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
678 request.write(cache.rendered)
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
679 request.finish()
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
680 raise failure.Failure(exceptions.CancelError(u'cache is used'))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
681
1018
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
682 def _cacheURL(self, dummy, request, profile):
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
683 self.cached_urls.setdefault(profile, {})[request.uri] = CacheURL(request)
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
684
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
685 @classmethod
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
686 def onNodeEvent(cls, host, service, node, event_type, items, profile):
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
687 """Invalidate cache for all pages linked to this node"""
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
688 try:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
689 cache = cls.cache[profile][C.CACHE_PUBSUB][jid.JID(service)][node]
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
690 except KeyError:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
691 log.info(_(u'Removing subscription for {service}/{node}: '
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
692 u'the page is not cached').format(service=service, node=node))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
693 d1 = host.bridgeCall('psUnsubscribe', service, node, profile)
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
694 d1.addErrback(lambda failure_:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
695 log.warning(_(u"Can't unsubscribe from {service}/{node}: {msg}").format(
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
696 service=service, node=node, msg=failure_)))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
697 d2 = host.bridgeCall('psNodeWatchAdd', service, node, profile)
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
698 # TODO: check why the page is not in cache, remove subscription?
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
699 d2.addErrback(lambda failure_:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
700 log.warning(_(u"Can't remove watch for {service}/{node}: {msg}").format(
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
701 service=service, node=node, msg=failure_)))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
702 else:
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
703 cache.clear()
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
704
995
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
705 @classmethod
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
706 def onSignal(cls, host, signal, *args):
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
707 """Generic method which receive registered signals
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
708
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
709 if a callback is registered for this signal, call it
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
710 @param host: Libervia instance
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
711 @param signal(unicode): name of the signal
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
712 @param *args: args of the signals
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
713 """
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
714 for page, request, check_profile in cls.signals_handlers.get(signal, {}).itervalues():
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
715 if check_profile:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
716 signal_profile = args[-1]
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
717 request_profile = page.getProfile(request)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
718 if not request_profile:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
719 # if you want to use signal without session, unset check_profile
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
720 # (be sure to know what you are doing)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
721 log.error(_(u"no session started, signal can't be checked"))
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
722 continue
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
723 if signal_profile != request_profile:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
724 # we ignore the signal, it's not for our profile
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
725 continue
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
726 if request._signals_cache is not None:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
727 # socket is not yet opened, we cache the signal
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
728 request._signals_cache.append((request, signal, args))
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
729 log.debug(u"signal [{signal}] cached: {args}".format(
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
730 signal = signal,
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
731 args = args))
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
732 else:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
733 page.on_signal(page, request, signal, *args)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
734
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
735 def onSocketOpen(self, request):
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
736 """Called for dynamic pages when socket has just been opened
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
737
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
738 we send all cached signals
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
739 """
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
740 assert request._signals_cache is not None
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
741 cache = request._signals_cache
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
742 request._signals_cache = None
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
743 for request, signal, args in cache:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
744 self.on_signal(self, request, signal, *args)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
745
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
746 def onSocketClose(self, request):
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
747 """Called for dynamic pages when socket has just been closed
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
748
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
749 we remove signal handler
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
750 """
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
751 for signal in request._signals_registered:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
752 try:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
753 del LiberviaPage.signals_handlers[signal][id(request)]
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
754 except KeyError:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
755 log.error(_(u"Can't find signal handler for [{signal}], this should not happen").format(
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
756 signal = signal))
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
757 else:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
758 log.debug(_(u"Removed signal handler"))
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
759
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
760 def HTTPRedirect(self, request, url):
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
761 """redirect to an URL using HTTP redirection
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
762
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
763 @param request(server.Request): current HTTP request
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
764 @param url(unicode): url to redirect to
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
765 """
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
766
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
767 web_util.redirectTo(url.encode('utf-8'), request)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
768 request.finish()
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
769 raise failure.Failure(exceptions.CancelError(u'HTTP redirection is used'))
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
770
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
771 def redirectOrContinue(self, request, redirect_arg=u'redirect_url'):
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
772 """helper method to redirect a page to an url given as arg
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
773
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
774 if the arg is not present, the page will continue normal workflow
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
775 @param request(server.Request): current HTTP request
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
776 @param redirect_arg(unicode): argument to use to get redirection URL
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
777 @interrupt: redirect the page to requested URL
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
778 @interrupt pageError(C.HTTP_BAD_REQUEST): empty or non local URL is used
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
779 """
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
780 try:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
781 url = self.getPostedData(request, 'redirect_url')
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
782 except KeyError:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
783 pass
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
784 else:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
785 # a redirection is requested
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
786 if not url or url[0] != u'/':
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
787 # we only want local urls
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
788 self.pageError(request, C.HTTP_BAD_REQUEST)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
789 else:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
790 self.HTTPRedirect(request, url)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
791
1032
863cc6f97068 pages: path arguments can now be specified in pageRedirect
Goffi <goffi@goffi.org>
parents: 1031
diff changeset
792 def pageRedirect(self, page_path, request, skip_parse_url=True, path_args=None):
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
793 """redirect a page to a named page
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
794
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
795 the workflow will continue with the workflow of the named page,
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
796 skipping named page's parse_url method if it exist.
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
797 If you want to do a HTTP redirection, use HTTPRedirect
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
798 @param page_path(unicode): path to page (elements are separated by "/"):
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
799 if path starts with a "/":
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
800 path is a full path starting from root
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
801 else:
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
802 - first element is name as registered in name variable
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
803 - following element are subpages path
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
804 e.g.: "blog" redirect to page named "blog"
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
805 "blog/atom.xml" redirect to atom.xml subpage of "blog"
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
806 "/common/blog/atom.xml" redirect to the page at the fiven full path
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
807 @param request(server.Request): current HTTP request
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
808 @param skip_parse_url(bool): if True, parse_url method on redirect page will be skipped
1032
863cc6f97068 pages: path arguments can now be specified in pageRedirect
Goffi <goffi@goffi.org>
parents: 1031
diff changeset
809 @param path_args(list[unicode], None): path arguments to use in redirected page
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
810 @raise KeyError: there is no known page with this name
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
811 """
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
812 # FIXME: render non LiberviaPage resources
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
813 path = page_path.rstrip(u'/').split(u'/')
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
814 if not path[0]:
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
815 redirect_page = self.host.root
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
816 else:
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
817 redirect_page = self.named_pages[path[0]]
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
818
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
819 for subpage in path[1:]:
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
820 if redirect_page is self.host.root:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
821 redirect_page = redirect_page.children[subpage]
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
822 else:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
823 redirect_page = redirect_page.original.children[subpage]
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
824
1032
863cc6f97068 pages: path arguments can now be specified in pageRedirect
Goffi <goffi@goffi.org>
parents: 1031
diff changeset
825 if path_args is not None:
863cc6f97068 pages: path arguments can now be specified in pageRedirect
Goffi <goffi@goffi.org>
parents: 1031
diff changeset
826 args = [quote(a) for a in path_args]
863cc6f97068 pages: path arguments can now be specified in pageRedirect
Goffi <goffi@goffi.org>
parents: 1031
diff changeset
827 request.postpath = args + request.postpath
863cc6f97068 pages: path arguments can now be specified in pageRedirect
Goffi <goffi@goffi.org>
parents: 1031
diff changeset
828
1033
c34f08e05cdf pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents: 1032
diff changeset
829 if self._do_cache:
c34f08e05cdf pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents: 1032
diff changeset
830 # if cache is needed, it will be handled by final page
c34f08e05cdf pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents: 1032
diff changeset
831 redirect_page._do_cache = self._do_cache
c34f08e05cdf pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents: 1032
diff changeset
832 self._do_cache = None
c34f08e05cdf pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents: 1032
diff changeset
833
1015
16d52917666c pages: fixed redirection
Goffi <goffi@goffi.org>
parents: 1014
diff changeset
834 redirect_page.renderPage(request, skip_parse_url=skip_parse_url)
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
835 raise failure.Failure(exceptions.CancelError(u'page redirection is used'))
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
836
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
837 def pageError(self, request, code=C.HTTP_NOT_FOUND, no_body=False):
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
838 """generate an error page and terminate the request
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
839
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
840 @param request(server.Request): HTTP request
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
841 @param core(int): error code to use
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
842 @param no_body: don't write body if True
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
843 """
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
844 request.setResponseCode(code)
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
845 if no_body:
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
846 request.finish()
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
847 else:
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
848 template = u'error/' + unicode(code) + '.html'
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
849
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
850 rendered = self.host.renderer.render(
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
851 template,
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
852 root_path = '/templates/',
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
853 error_code = code,
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
854 **request.template_data)
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
855
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
856 self.writeData(rendered, request)
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
857 raise failure.Failure(exceptions.CancelError(u'error page is used'))
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
858
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
859 def writeData(self, data, request):
937
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
860 """write data to transport and finish the request"""
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
861 if data is None:
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
862 self.pageError(request)
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
863 data_encoded = data.encode('utf-8')
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
864
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
865 if self._do_cache is not None:
1033
c34f08e05cdf pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents: 1032
diff changeset
866 redirected_page = self._do_cache.pop(0)
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
867 cache = reduce(lambda d, k: d.setdefault(k, {}), self._do_cache, self.cache)
1033
c34f08e05cdf pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents: 1032
diff changeset
868 page_cache = cache[redirected_page] = CachePage(data_encoded)
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
869 self._setCacheHeaders(request, page_cache)
985
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
870 log.debug(_(u'{page} put in cache for [{profile}]').format(
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
871 page=self,
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
872 profile=self._do_cache[0]))
64826e69f365 pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents: 984
diff changeset
873 self._do_cache = None
1019
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
874 self._checkCacheHeaders(request, page_cache)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
875
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
876 request.write(data_encoded)
34240d08f682 pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents: 1018
diff changeset
877 request.finish()
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
878
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
879 def _subpagesHandler(self, dummy, request):
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
880 """render subpage if suitable
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
881
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
882 this method checks if there is still an unmanaged part of the path
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
883 and check if it corresponds to a subpage. If so, it render the subpage
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
884 else it render a NoResource.
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
885 If there is no unmanaged part of the segment, current page workflow is pursued
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
886 """
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
887 if request.postpath:
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
888 subpage = self.nextPath(request)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
889 try:
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
890 child = self.children[subpage]
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
891 except KeyError:
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
892 self.pageError(request)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
893 else:
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
894 child.render(request)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
895 raise failure.Failure(exceptions.CancelError(u'subpage page is used'))
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
896
998
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
897 def _prepare_dynamic(self, dummy, request):
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
898 # we need to activate dynamic page
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
899 # we set data for template, and create/register token
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
900 socket_token = unicode(uuid.uuid4())
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
901 socket_url = self.host.getWebsocketURL(request)
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
902 socket_debug = C.boolConst(self.host.debug)
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
903 request.template_data['websocket'] = WebsocketMeta(socket_url, socket_token, socket_debug)
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
904 self.host.registerWSToken(socket_token, self, request)
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
905 # we will keep track of handlers to remove
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
906 request._signals_registered = []
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
907 # we will cache registered signals until socket is opened
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
908 request._signals_cache = []
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
909
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
910 def _prepare_render(self, dummy, request):
926
612e33fd32a8 server (pages): fixed _prepare_render handling
Goffi <goffi@goffi.org>
parents: 925
diff changeset
911 return defer.maybeDeferred(self.prepare_render, self, request)
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
912
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
913 def _render_method(self, dummy, request):
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
914 return defer.maybeDeferred(self.render_method, self, request)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
915
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
916 def _render_template(self, dummy, request):
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
917 template_data = request.template_data
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
918
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
919 # if confirm variable is set in case of successfuly data post
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
920 session_data = self.host.getSessionData(request, session_iface.ISATSession)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
921 if session_data.popPageFlag(self, C.FLAG_CONFIRM):
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
922 template_data[u'confirm'] = True
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
923
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
924 return self.host.renderer.render(
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
925 self.template,
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
926 root_path = '/templates/',
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
927 media_path = '/' + C.MEDIA_DIR,
995
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
928 cache_path = session_data.cache_dir,
990
6daa59d44ee2 pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents: 985
diff changeset
929 main_menu = LiberviaPage.main_menu,
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
930 **template_data)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
931
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
932 def _renderEb(self, failure_, request):
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
933 """don't raise error on CancelError"""
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
934 failure_.trap(exceptions.CancelError)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
935
937
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
936 def _internalError(self, failure_, request):
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
937 """called if an error is not catched"""
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
938 log.error(_(u"Uncatched error for HTTP request on {url}: {msg}").format(
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
939 url = request.URLPath(),
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
940 msg = failure_))
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
941 self.pageError(request, C.HTTP_INTERNAL_ERROR)
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
942
956
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
943 def _on_data_post_redirect(self, ret, request):
968
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
944 """called when page's on_data_post has been done successfuly
956
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
945
968
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
946 This will do a Post/Redirect/Get pattern.
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
947 this method redirect to the same page or to request.data['post_redirect_page']
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
948 post_redirect_page can be either a page or a tuple with page as first item, then a list of unicode arguments to append to the url.
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
949 if post_redirect_page is not used, initial request.uri (i.e. the same page as where the data have been posted) will be used for redirection.
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
950 HTTP status code "See Other" (303) is used as it is the recommanded code in this case.
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
951 @param ret(None, unicode, iterable): on_data_post return value
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
952 see LiberviaPage.__init__ on_data_post docstring
956
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
953 """
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
954 if ret is None:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
955 ret = ()
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
956 elif isinstance(ret, basestring):
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
957 ret = (ret,)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
958 else:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
959 ret = tuple(ret)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
960 raise NotImplementedError(_(u'iterable in on_data_post return value is not used yet'))
957
67bf14c91d5c server (pages): added a confirm flag on successful post:
Goffi <goffi@goffi.org>
parents: 956
diff changeset
961 session_data = self.host.getSessionData(request, session_iface.ISATSession)
974
4aa38c49bff7 pages: fixed use of request data in _on_data_post_redirect
Goffi <goffi@goffi.org>
parents: 972
diff changeset
962 request_data = self.getRData(request)
4aa38c49bff7 pages: fixed use of request data in _on_data_post_redirect
Goffi <goffi@goffi.org>
parents: 972
diff changeset
963 if 'post_redirect_page' in request_data:
4aa38c49bff7 pages: fixed use of request data in _on_data_post_redirect
Goffi <goffi@goffi.org>
parents: 972
diff changeset
964 redirect_page_data = request_data['post_redirect_page']
968
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
965 if isinstance(redirect_page_data, tuple):
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
966 redirect_page = redirect_page_data[0]
972
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
967 redirect_page_args = redirect_page_data[1:]
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
968 redirect_uri = redirect_page.getURL(*redirect_page_args)
968
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
969 else:
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
970 redirect_page = redirect_page_data
972
c4e58c4dba75 server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents: 968
diff changeset
971 redirect_uri = redirect_page.url
968
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
972 else:
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
973 redirect_page = self
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
974 redirect_uri = request.uri
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
975
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
976 if not C.POST_NO_CONFIRM in ret:
968
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
977 session_data.setPageFlag(redirect_page, C.FLAG_CONFIRM)
956
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
978 request.setResponseCode(C.HTTP_SEE_OTHER)
968
4d37b23777c3 pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents: 966
diff changeset
979 request.setHeader("location", redirect_uri)
955
4f7cb6335a33 server(pages): do Post/Redirect/Get pattern when on_data_post is used (avoid double posting on refresh)
Goffi <goffi@goffi.org>
parents: 950
diff changeset
980 request.finish()
4f7cb6335a33 server(pages): do Post/Redirect/Get pattern when on_data_post is used (avoid double posting on refresh)
Goffi <goffi@goffi.org>
parents: 950
diff changeset
981 raise failure.Failure(exceptions.CancelError(u'Post/Redirect/Get is used'))
4f7cb6335a33 server(pages): do Post/Redirect/Get pattern when on_data_post is used (avoid double posting on refresh)
Goffi <goffi@goffi.org>
parents: 950
diff changeset
982
956
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
983 def _on_data_post(self, dummy, request):
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
984 csrf_token = self.host.getSessionData(request, session_iface.ISATSession).csrf_token
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
985 try:
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
986 given_csrf = self.getPostedData(request, u'csrf_token')
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
987 except KeyError:
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
988 given_csrf = None
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
989 if given_csrf is None or given_csrf != csrf_token:
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
990 log.warning(_(u"invalid CSRF token, hack attempt? URL: {url}, IP: {ip}").format(
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
991 url=request.uri,
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
992 ip=request.getClientIP()))
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
993 self.pageError(request, C.HTTP_UNAUTHORIZED)
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
994 d = defer.maybeDeferred(self.on_data_post, self, request)
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
995 d.addCallback(self._on_data_post_redirect, request)
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
996 return d
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
997
931
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
998 def getPostedData(self, request, keys, multiple=False):
1010
4de970de87d7 pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents: 1009
diff changeset
999 """get data from a POST request or from URL's query part and decode it
931
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1000
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1001 @param request(server.Request): request linked to the session
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1002 @param keys(unicode, iterable[unicode]): name of the value(s) to get
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1003 unicode to get one value
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1004 iterable to get more than one
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1005 @param multiple(bool): True if multiple values are possible/expected
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1006 if False, the first value is returned
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1007 @return (iterator[unicode], list[iterator[unicode], unicode, list[unicode]): values received for this(these) key(s)
956
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
1008 @raise KeyError: one specific key has been requested, and it is missing
931
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1009 """
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1010 if isinstance(keys, basestring):
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1011 keys = [keys]
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1012 get_first = True
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1013 else:
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1014 get_first = False
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1015
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1016 ret = []
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1017 for key in keys:
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1018 gen = (urllib.unquote(v).decode('utf-8') for v in request.args.get(key,[]))
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1019 if multiple:
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1020 ret.append(gen)
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1021 else:
956
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
1022 try:
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
1023 ret.append(next(gen))
dabecab10faa server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents: 955
diff changeset
1024 except StopIteration:
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1025 raise KeyError(key)
931
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1026
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1027 return ret[0] if get_first else ret
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1028
1009
b57f86bc1177 pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents: 1003
diff changeset
1029 def getAllPostedData(self, request, except_=(), multiple=True):
959
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1030 """get all posted data
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1031
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1032 @param request(server.Request): request linked to the session
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1033 @param except_(iterable[unicode]): key of values to ignore
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1034 csrf_token will always be ignored
1009
b57f86bc1177 pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents: 1003
diff changeset
1035 @param multiple(bool): if False, only the first values are returned
959
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1036 @return (dict[unicode, list[unicode]]): post values
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1037 """
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1038 except_ = tuple(except_) + (u'csrf_token',)
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1039 ret = {}
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1040 for key, values in request.args.iteritems():
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1041 key = urllib.unquote(key).decode('utf-8')
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1042 if key in except_:
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1043 continue
1009
b57f86bc1177 pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents: 1003
diff changeset
1044 if not multiple:
b57f86bc1177 pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents: 1003
diff changeset
1045 ret[key] = urllib.unquote(values[0]).decode('utf-8')
b57f86bc1177 pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents: 1003
diff changeset
1046 else:
b57f86bc1177 pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents: 1003
diff changeset
1047 ret[key] = [urllib.unquote(v).decode('utf-8') for v in values]
959
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1048 return ret
968eda9e982a server: added getAllPostedData
Goffi <goffi@goffi.org>
parents: 957
diff changeset
1049
922
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1050 def getProfile(self, request):
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1051 """helper method to easily get current profile
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1052
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1053 @return (unicode, None): current profile
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1054 None if no profile session is started
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1055 """
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1056 sat_session = self.host.getSessionData(request, session_iface.ISATSession)
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1057 return sat_session.profile
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1058
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1059 def getRData(self, request):
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1060 """helper method to get request data dict
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1061
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1062 this dictionnary if for the request only, it is not saved in session
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1063 It is mainly used to pass data between pages/methods called during request workflow
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1064 @return (dict): request data
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1065 """
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1066 try:
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1067 return request.data
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1068 except AttributeError:
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1069 request.data = {}
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1070 return request.data
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1071
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1072 def _checkAccess(self, data, request):
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1073 """Check access according to self.access
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1074
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1075 if access is not granted, show a HTTP_UNAUTHORIZED pageError and stop request,
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1076 else return data (so it can be inserted in deferred chain
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1077 """
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1078 if self.access == C.PAGES_ACCESS_PUBLIC:
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1079 pass
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1080 elif self.access == C.PAGES_ACCESS_PROFILE:
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1081 profile = self.getProfile(request)
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1082 if not profile:
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1083 # no session started
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1084 if not self.host.options["allow_registration"]:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1085 # registration not allowed, access is not granted
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1086 self.pageError(request, C.HTTP_UNAUTHORIZED)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1087 else:
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1088 # registration allowed, we redirect to login page
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1089 login_url = self.getPageRedirectURL(request)
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1090 self.HTTPRedirect(request, login_url)
922
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1091
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1092 return data
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1093
995
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1094 def renderPartial(self, request, template, template_data):
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1095 """Render a template to be inserted in dynamic page
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1096
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1097 this is NOT the normal page rendering method, it is used only to update
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1098 dynamic pages
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1099 @param template(unicode): path of the template to render
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1100 @param template_data(dict): template_data to use
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1101 """
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1102 if not self.dynamic:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1103 raise exceptions.InternalError(_(u"renderPartial must only be used with dynamic pages"))
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1104 session_data = self.host.getSessionData(request, session_iface.ISATSession)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1105
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1106 return self.host.renderer.render(
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1107 template,
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1108 root_path = '/templates/',
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1109 media_path = '/' + C.MEDIA_DIR,
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1110 cache_path = session_data.cache_dir,
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1111 main_menu = LiberviaPage.main_menu,
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1112 **template_data)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1113
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1114 def renderAndUpdate(self, request, template, selectors, template_data_update, update_type="append"):
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1115 """Helper method to render a partial page element and update the page
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1116
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1117 this is NOT the normal page rendering method, it is used only to update
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1118 dynamic pages
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1119 @param request(server.Request): current HTTP request
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1120 @param template: same as for [renderPartial]
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1121 @param selectors: CSS selectors to use
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1122 @param template_data_update: template data to use
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1123 template data cached in request will be copied then updated
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1124 with this data
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1125 @parap update_type(unicode): one of:
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1126 append: append rendered element to selected element
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1127 """
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1128 template_data = request.template_data.copy()
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1129 template_data.update(template_data_update)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1130 html = self.renderPartial(request, template, template_data)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1131 request.sendData(u'dom',
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1132 selectors=selectors,
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1133 update_type=update_type,
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1134 html=html)
f88325b56a6a server: dynamic pages first draft:
Goffi <goffi@goffi.org>
parents: 994
diff changeset
1135
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
1136 def renderPage(self, request, skip_parse_url=False):
937
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
1137 """Main method to handle the workflow of a LiberviaPage"""
994
b92b06f023cb pages: profile is now always set in template_data, and None if there is no user logged
Goffi <goffi@goffi.org>
parents: 990
diff changeset
1138
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
1139 # template_data are the variables passed to template
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1140 if not hasattr(request, 'template_data'):
957
67bf14c91d5c server (pages): added a confirm flag on successful post:
Goffi <goffi@goffi.org>
parents: 956
diff changeset
1141 session_data = self.host.getSessionData(request, session_iface.ISATSession)
67bf14c91d5c server (pages): added a confirm flag on successful post:
Goffi <goffi@goffi.org>
parents: 956
diff changeset
1142 csrf_token = session_data.csrf_token
994
b92b06f023cb pages: profile is now always set in template_data, and None if there is no user logged
Goffi <goffi@goffi.org>
parents: 990
diff changeset
1143 request.template_data = {u'profile': session_data.profile,
b92b06f023cb pages: profile is now always set in template_data, and None if there is no user logged
Goffi <goffi@goffi.org>
parents: 990
diff changeset
1144 u'csrf_token': csrf_token}
922
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1145
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1146 # XXX: here is the code which need to be executed once
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1147 # at the beginning of the request hanling
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1148 if request.postpath and not request.postpath[-1]:
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1149 # we don't differenciate URLs finishing with '/' or not
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1150 del request.postpath[-1]
922
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1151
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1152 d = defer.Deferred()
922
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1153 d.addCallback(self._checkAccess, request)
16d1084d1371 server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
Goffi <goffi@goffi.org>
parents: 921
diff changeset
1154
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
1155 if self.redirect is not None:
1015
16d52917666c pages: fixed redirection
Goffi <goffi@goffi.org>
parents: 1014
diff changeset
1156 d.addCallback(lambda dummy: self.pageRedirect(self.redirect, request, skip_parse_url=False))
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
1157
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
1158 if self.parse_url is not None and not skip_parse_url:
1018
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1159 if self.url_cache:
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1160 profile = self.getProfile(request)
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1161 try:
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1162 cache_url = self.cached_urls[profile][request.uri]
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1163 except KeyError:
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1164 # no cache for this URI yet
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1165 # we do normal URL parsing, and then the cache
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1166 d.addCallback(self.parse_url, request)
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1167 d.addCallback(self._cacheURL, request, profile)
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1168 else:
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1169 log.debug(_(u"using URI cache for {page}").format(page=self))
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1170 cache_url.use(request)
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1171 else:
78af5457d3f8 Pages: added url_cache setting:
Goffi <goffi@goffi.org>
parents: 1015
diff changeset
1172 d.addCallback(self.parse_url, request)
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1173
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1174 d.addCallback(self._subpagesHandler, request)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1175
931
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1176 if request.method not in (C.HTTP_METHOD_GET, C.HTTP_METHOD_POST):
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1177 # only HTTP GET and POST are handled so far
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1178 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST))
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1179
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1180 if request.method == C.HTTP_METHOD_POST:
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1181 if self.on_data_post is None:
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1182 # if we don't have on_data_post, the page was not expecting POST
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1183 # so we return an error
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1184 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST))
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1185 else:
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1186 d.addCallback(self._on_data_post, request)
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1187 # by default, POST follow normal behaviour after on_data_post is called
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1188 # this can be changed by a redirection or other method call in on_data_post
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1189
998
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
1190 if self.dynamic:
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
1191 d.addCallback(self._prepare_dynamic, request)
0848b8b0188d pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents: 995
diff changeset
1192
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1193 if self.prepare_render:
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1194 d.addCallback(self._prepare_render, request)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1195
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1196 if self.template:
962
c7fba7709d05 Pages: various improvments:
Goffi <goffi@goffi.org>
parents: 961
diff changeset
1197 d.addCallback(self._render_template, request)
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1198 elif self.render_method:
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1199 d.addCallback(self._render_method, request)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1200
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1201 d.addCallback(self.writeData, request)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1202 d.addErrback(self._renderEb, request)
937
00236973e138 server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents: 936
diff changeset
1203 d.addErrback(self._internalError, request)
917
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1204 d.callback(self)
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1205 return server.NOT_DONE_YET
86563d6c83b0 server: Libervia pages:
Goffi <goffi@goffi.org>
parents: 915
diff changeset
1206
923
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
1207 def render_GET(self, request):
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
1208 return self.renderPage(request)
edb322c87ea4 server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents: 922
diff changeset
1209
931
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1210 def render_POST(self, request):
8a393ae90f8c server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents: 927
diff changeset
1211 return self.renderPage(request)