Mercurial > libervia-web
annotate src/server/pages.py @ 1005:b6dc6cf76473
server: added "chat" and "app" in default menu
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 05 Jan 2018 16:30:05 +0100 |
| parents | 05cc33d8e328 |
| children | b57f86bc1177 |
| rev | line source |
|---|---|
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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) 2011-2017 Jérôme Poisson <goffi@goffi.org> |
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6 |
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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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11 |
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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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16 |
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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 |
| 858 | 20 from twisted.web import resource as web_resource |
| 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 |
| 917 | 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.core.log import getLogger |
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30 log = getLogger(__name__) |
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31 from libervia.server.constants import Const as C |
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32 from libervia.server import session_iface |
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33 from libervia.server.utils import quote |
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34 import libervia |
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35 |
| 995 | 36 from collections import namedtuple |
| 37 import uuid | |
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38 import os.path |
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39 import urllib |
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40 import time |
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41 |
| 995 | 42 WebsocketMeta = namedtuple("WebsocketMeta", ('url', 'token', 'debug')) |
| 43 | |
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44 |
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45 class Cache(object): |
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46 |
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47 def __init__(self, rendered): |
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48 self._created = time.time() |
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49 self._last_access = self._created |
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50 self._rendered = rendered |
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51 |
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52 @property |
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53 def created(self): |
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54 return self._created |
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55 |
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56 @property |
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57 def last_access(self): |
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58 return self._last_access |
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59 |
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60 @last_access.setter |
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61 def last_access(self, timestamp): |
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62 self._last_access = timestamp |
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63 |
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64 @property |
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65 def rendered(self): |
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66 return self._rendered |
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67 |
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68 |
| 917 | 69 class LiberviaPage(web_resource.Resource): |
| 70 isLeaf = True # we handle subpages ourself | |
| 71 named_pages = {} | |
| 925 | 72 uri_callbacks = {} |
| 995 | 73 signals_handlers = {} |
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74 pages_redirects = {} |
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75 cache = {} |
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76 # Set of tuples (service/node/sub_id) of nodes subscribed for caching |
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77 # sub_id can be empty string if not handled by service |
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78 cache_pubsub_sub = set() |
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79 main_menu = None |
| 917 | 80 |
| 995 | 81 def __init__(self, host, root_dir, url, name=None, redirect=None, access=None, dynamic=False, parse_url=None, |
| 82 prepare_render=None, render=None, template=None, | |
| 83 on_data_post=None, on_data=None, on_signal=None): | |
| 917 | 84 """initiate LiberviaPages |
| 85 | |
| 86 LiberviaPages are the main resources of Libervia, using easy to set python files | |
| 87 The arguments are the variables found in page_meta.py | |
| 88 @param host(Libervia): the running instance of Libervia | |
| 962 | 89 @param root_dir(unicode): aboslute file path of the page |
| 90 @param url(unicode): relative URL to the page | |
| 91 this URL may not be valid, as pages may require path arguments | |
| 917 | 92 @param name(unicode, None): if not None, a unique name to identify the page |
| 93 can then be used for e.g. redirection | |
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94 "/" is not allowed in names (as it can be used to construct URL paths) |
| 962 | 95 @param redirect(unicode, None): if not None, this page will be redirected. A redirected |
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96 parameter is used as in self.pageRedirect. parse_url will not be skipped |
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97 using this redirect parameter is called "full redirection" |
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98 using self.pageRedirect is called "partial redirection" (because some rendering method |
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99 can still be used, e.g. parse_url) |
| 917 | 100 @param access(unicode, None): permission needed to access the page |
| 101 None means public access. | |
| 102 Pages inherit from parent pages: e.g. if a "settings" page is restricted to admins, | |
| 103 and if "settings/blog" is public, it still can only be accessed by admins. | |
| 104 see C.PAGES_ACCESS_* for details | |
| 995 | 105 @param dynamic(bool): if True, activate websocket for bidirectional communication |
| 917 | 106 @param parse_url(callable, None): if set it will be called to handle the URL path |
| 107 after this method, the page will be rendered if noting is left in path (request.postpath) | |
| 108 else a the request will be transmitted to a subpage | |
| 109 @param prepare_render(callable, None): if set, will be used to prepare the rendering | |
| 110 that often means gathering data using the bridge | |
| 111 @param render(callable, None): if not template is set, this method will be called and | |
| 112 what it returns will be rendered. | |
| 113 This method is mutually exclusive with template and must return a unicode string. | |
| 114 @param template(unicode, None): path to the template to render. | |
| 115 This method is mutually exclusive with render | |
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116 @param on_data_post(callable, None): method to call when data is posted |
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117 None if not post is handled |
| 962 | 118 on_data_post can return a string with following value: |
| 119 - C.POST_NO_CONFIRM: confirm flag will not be set | |
| 995 | 120 @param on_data(callable, None): method to call when dynamic data is sent |
| 121 this method is used with Libervia's websocket mechanism | |
| 122 @param on_signal(callable, None): method to call when a registered signal is received | |
| 123 this method is used with Libervia's websocket mechanism | |
| 917 | 124 """ |
| 125 | |
| 126 web_resource.Resource.__init__(self) | |
| 127 self.host = host | |
| 128 self.root_dir = root_dir | |
| 962 | 129 self.url = url |
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130 self.name = name |
| 917 | 131 if name is not None: |
| 132 if name in self.named_pages: | |
| 133 raise exceptions.ConflictError(_(u'a Libervia page named "{}" already exists'.format(name))) | |
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134 if u'/' in name: |
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135 raise ValueError(_(u'"/" is not allowed in page names')) |
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136 if not name: |
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137 raise ValueError(_(u"a page name can't be empty")) |
| 917 | 138 self.named_pages[name] = self |
| 139 if access is None: | |
| 140 access = C.PAGES_ACCESS_PUBLIC | |
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141 if access not in (C.PAGES_ACCESS_PUBLIC, C.PAGES_ACCESS_PROFILE, C.PAGES_ACCESS_NONE): |
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142 raise NotImplementedError(_(u"{} access is not implemented yet").format(access)) |
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143 self.access = access |
| 995 | 144 self.dynamic = dynamic |
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145 if redirect is not None: |
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146 # only page access and name make sense in case of full redirection |
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147 # so we check that rendering methods/values are not set |
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148 if not all(lambda x: x is not None |
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149 for x in (parse_url, prepare_render, render, template)): |
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150 raise ValueError(_(u"you can't use full page redirection with other rendering method," |
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151 u"check self.pageRedirect if you need to use them")) |
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152 self.redirect = redirect |
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153 else: |
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154 self.redirect = None |
| 917 | 155 self.parse_url = parse_url |
| 156 self.prepare_render = prepare_render | |
| 157 self.template = template | |
| 158 self.render_method = render | |
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159 self.on_data_post = on_data_post |
| 995 | 160 self.on_data = on_data |
| 161 self.on_signal = on_signal | |
|
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162 if access == C.PAGES_ACCESS_NONE: |
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163 # none pages just return a 404, no further check is needed |
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164 return |
| 917 | 165 if template is None: |
| 166 if not callable(render): | |
| 167 log.error(_(u"render must be implemented and callable if template is not set")) | |
| 168 else: | |
| 169 if render is not None: | |
| 170 log.error(_(u"render can't be used at the same time as template")) | |
| 171 if parse_url is not None and not callable(parse_url): | |
| 172 log.error(_(u"parse_url must be a callable")) | |
| 173 | |
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174 # if not None, next rendering will be cached |
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175 # it must then contain a list of the the keys to use (without the page instance) |
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176 # e.g. [C.SERVICE_PROFILE, "pubsub", server@example.tld, pubsub_node] |
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177 self._do_cache = None |
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178 |
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179 def __unicode__(self): |
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180 return u'LiberviaPage {name} at {url}'.format( |
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181 name = self.name or u'<anonymous>', |
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182 url = self.url) |
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183 |
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184 def __str__(self): |
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185 return self.__unicode__.encode('utf-8') |
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186 |
| 925 | 187 @classmethod |
| 188 def importPages(cls, host, parent=None, path=None): | |
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189 """Recursively import Libervia pages""" |
| 917 | 190 if path is None: |
| 191 path = [] | |
| 192 if parent is None: | |
| 193 root_dir = os.path.join(os.path.dirname(libervia.__file__), C.PAGES_DIR) | |
| 194 parent = host | |
| 195 else: | |
| 196 root_dir = parent.root_dir | |
| 197 for d in os.listdir(root_dir): | |
| 198 dir_path = os.path.join(root_dir, d) | |
| 199 if not os.path.isdir(dir_path): | |
| 200 continue | |
| 201 meta_path = os.path.join(dir_path, C.PAGES_META_FILE) | |
| 202 if os.path.isfile(meta_path): | |
| 203 page_data = {} | |
| 962 | 204 new_path = path + [d] |
| 917 | 205 # we don't want to force the presence of __init__.py |
| 206 # so we use execfile instead of import. | |
| 207 # TODO: when moved to Python 3, __init__.py is not mandatory anymore | |
| 208 # so we can switch to import | |
| 209 execfile(meta_path, page_data) | |
| 210 resource = LiberviaPage( | |
| 211 host, | |
| 212 dir_path, | |
| 962 | 213 u'/' + u'/'.join(new_path), |
| 917 | 214 name=page_data.get('name'), |
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215 redirect=page_data.get('redirect'), |
| 917 | 216 access=page_data.get('access'), |
| 995 | 217 dynamic=page_data.get('dynamic', False), |
| 917 | 218 parse_url=page_data.get('parse_url'), |
| 219 prepare_render=page_data.get('prepare_render'), | |
| 220 render=page_data.get('render'), | |
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221 template=page_data.get('template'), |
| 995 | 222 on_data_post=page_data.get('on_data_post'), |
| 223 on_data=page_data.get('on_data'), | |
| 224 on_signal=page_data.get('on_signal'), | |
| 225 ) | |
| 917 | 226 parent.putChild(d, resource) |
| 227 log.info(u"Added /{path} page".format(path=u'[...]/'.join(new_path))) | |
| 925 | 228 if 'uri_handlers' in page_data: |
| 229 if not isinstance(page_data, dict): | |
| 230 log.error(_(u'uri_handlers must be a dict')) | |
| 231 else: | |
| 232 for uri_tuple, cb_name in page_data['uri_handlers'].iteritems(): | |
| 233 if len(uri_tuple) != 2 or not isinstance(cb_name, basestring): | |
| 234 log.error(_(u"invalid uri_tuple")) | |
| 235 continue | |
| 236 log.info(_(u'setting {}/{} URIs handler').format(*uri_tuple)) | |
| 237 try: | |
| 238 cb = page_data[cb_name] | |
| 239 except KeyError: | |
| 240 log.error(_(u'missing {name} method to handle {1}/{2}').format( | |
| 241 name = cb_name, *uri_tuple)) | |
| 242 continue | |
| 243 else: | |
| 244 cls.registerURI(uri_tuple, cb, new_path) | |
| 245 | |
| 917 | 246 LiberviaPage.importPages(host, resource, new_path) |
| 247 | |
| 925 | 248 @classmethod |
|
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249 def setMenu(cls, menus): |
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250 main_menu = [] |
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251 for menu in menus: |
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252 if not menu: |
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253 msg = _(u"menu item can't be empty") |
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254 log.error(msg) |
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255 raise ValueError(msg) |
|
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256 elif isinstance(menu, list): |
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257 if len(menu) != 2: |
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258 msg = _(u"menu item as list must be in the form [page_name, absolue URL]") |
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259 log.error(msg) |
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260 raise ValueError(msg) |
|
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261 page_name, url = menu |
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262 else: |
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263 page_name = menu |
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264 try: |
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265 url = cls.getPageByName(page_name).url |
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266 except KeyError as e: |
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267 log.error(_(u"Can'find a named page ({msg}), please check menu_json in configuration.").format(msg=e)) |
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268 raise e |
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269 main_menu.append((page_name, url)) |
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270 cls.main_menu = main_menu |
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271 |
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272 @classmethod |
| 925 | 273 def registerURI(cls, uri_tuple, get_uri_cb, pre_path): |
| 274 """register a URI handler | |
| 275 | |
| 276 @param uri_tuple(tuple[unicode, unicode]): type or URIs handler | |
| 277 type/subtype as returned by tools/common/parseXMPPUri | |
| 278 @param get_uri_cb(callable): method which take uri_data dict as only argument | |
| 279 and return path with correct arguments relative to page itself | |
| 280 @param pre_path(list[unicode]): prefix path to reference the handler page | |
| 281 """ | |
| 282 if uri_tuple in cls.uri_callbacks: | |
| 283 log.info(_(u"{}/{} URIs are already handled, replacing by the new handler").format(*uri_tuple)) | |
| 284 cls.uri_callbacks[uri_tuple] = {u'callback': get_uri_cb, | |
| 285 u'pre_path': pre_path} | |
| 286 | |
| 995 | 287 def registerSignal(self, request, signal, check_profile=True): |
| 288 r"""register a signal handler | |
| 289 | |
| 290 the page must be dynamic | |
| 291 when signal is received, self.on_signal will be called with: | |
| 292 - request | |
| 293 - signal name | |
| 294 - signal arguments | |
| 295 signal handler will be removed when connection with dynamic page will be lost | |
| 296 @param signal(unicode): name of the signal | |
| 297 last arg of signal must be profile, as it will be checked to filter signals | |
| 298 @param check_profile(bool): if True, signal profile (which MUST be last arg) will be | |
| 299 checked against session profile. | |
| 300 /!\ if False, profile will not be checked/filtered, be sure to know what you are doing | |
| 301 if you unset this option /!\ | |
| 302 """ | |
| 303 # FIXME: add a timeout, if socket is not opened before it, signal handler must be removed | |
| 304 if not self.dynamic: | |
| 305 log.error(_(u"You can't register signal if page is not dynamic")) | |
| 306 return | |
| 307 LiberviaPage.signals_handlers.setdefault(signal, {})[id(request)] = (self, request, check_profile) | |
| 308 request._signals_registered.append(signal) | |
| 309 | |
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310 def getPagePathFromURI(self, uri): |
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311 """Retrieve page URL from xmpp: URI |
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312 |
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313 @param uri(unicode): URI with a xmpp: scheme |
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314 @return (unicode,None): absolute path (starting from root "/") to page handling the URI |
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315 None is returned if not page has been registered for this URI |
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316 """ |
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317 uri_data = common_uri.parseXMPPUri(uri) |
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318 try: |
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319 callback_data = self.uri_callbacks[uri_data['type'], uri_data.get('sub_type')] |
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320 except KeyError: |
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321 return |
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322 else: |
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323 url = os.path.join(u'/', u'/'.join(callback_data['pre_path']), callback_data['callback'](self, uri_data)) |
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324 return url |
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325 |
| 979 | 326 @classmethod |
| 327 def getPageByName(cls, name): | |
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328 """retrieve page instance from its name |
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329 |
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330 @param name(unicode): name of the page |
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331 @return (LiberviaPage): page instance |
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332 @raise KeyError: the page doesn't exist |
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333 """ |
| 979 | 334 return cls.named_pages[name] |
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335 |
| 962 | 336 def getPageRedirectURL(self, request, page_name=u'login', url=None): |
| 337 """generate URL for a page with redirect_url parameter set | |
| 338 | |
| 339 mainly used for login page with redirection to current page | |
| 340 @param request(server.Request): current HTTP request | |
| 341 @param page_name(unicode): name of the page to go | |
| 342 @param url(None, unicode): url to redirect to | |
| 343 None to use request path (i.e. current page) | |
| 344 @return (unicode): URL to use | |
| 345 """ | |
| 346 return u'{root_url}?redirect_url={redirect_url}'.format( | |
| 347 root_url = self.getPageByName(page_name).url, | |
| 348 redirect_url=urllib.quote_plus(request.uri) if url is None else url.encode('utf-8')) | |
| 349 | |
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350 def getURL(self, *args): |
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351 """retrieve URL of the page set arguments |
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352 |
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353 *args(list[unicode]): argument to add to the URL as path elements |
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354 """ |
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355 url_args = [quote(a) for a in args] |
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356 |
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357 if self.name is not None and self.name in self.pages_redirects: |
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358 # we check for redirection |
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359 redirect_data = self.pages_redirects[self.name] |
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360 args_hash = tuple(args) |
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361 for limit in xrange(len(args)+1): |
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362 current_hash = args_hash[:limit] |
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363 if current_hash in redirect_data: |
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364 url_base = redirect_data[current_hash] |
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365 remaining = args[limit:] |
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366 remaining_url = '/'.join(remaining) |
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367 return os.path.join('/', url_base, remaining_url) |
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368 |
|
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369 return os.path.join(self.url, *url_args) |
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370 |
|
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371 def getSubPageURL(self, request, page_name, *args): |
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372 """retrieve a page in direct children and build its URL according to request |
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373 |
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374 request's current path is used as base (at current parsing point, |
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375 i.e. it's more prepath than path). |
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376 Requested page is checked in children and an absolute URL is then built |
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377 by the resulting combination. |
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378 This method is useful to construct absolute URLs for children instead of |
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379 using relative path, which may not work in subpages, and are linked to the |
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380 names of directories (i.e. relative URL will break if subdirectory is renamed |
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381 while getSubPageURL won't as long as page_name is consistent). |
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382 Also, request.path is used, keeping real path used by user, |
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383 and potential redirections. |
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384 @param request(server.Request): current HTTP request |
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385 @param page_name(unicode): name of the page to retrieve |
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386 it must be a direct children of current page |
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387 @param *args(list[unicode]): arguments to add as path elements |
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388 @return unicode: absolute URL to the sub page |
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389 """ |
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390 # we get url in the following way (splitting request.path instead of using |
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391 # request.prepath) because request.prepath may have been modified by |
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392 # redirection (if redirection args have been specified), while path reflect |
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393 # the real request |
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394 |
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395 # we ignore empty path elements (i.e. double '/' or '/' at the end) |
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396 path_elts = [p for p in request.path.split('/') if p] |
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397 |
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398 if request.postpath: |
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399 if not request.postpath[-1]: |
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400 # we remove trailing slash |
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401 request.postpath = request.postpath[:-1] |
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402 if request.postpath: |
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403 # getSubPageURL must return subpage from the point where |
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404 # the it is called, so we have to remove remanining |
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405 # path elements |
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406 path_elts = path_elts[:-len(request.postpath)] |
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407 |
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408 current_url = '/' + '/'.join(path_elts).decode('utf-8') |
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409 |
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410 for path, child in self.children.iteritems(): |
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411 try: |
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412 child_name = child.name |
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413 except AttributeError: |
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414 # LiberviaPage have a name, but maybe this is an other Resource |
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415 continue |
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416 if child_name == page_name: |
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417 return os.path.join(u'/', current_url, path, *args) |
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418 raise exceptions.NotFound(_(u'requested sub page has not been found')) |
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419 |
| 917 | 420 def getChildWithDefault(self, path, request): |
| 421 # we handle children ourselves | |
| 422 raise exceptions.InternalError(u"this method should not be used with LiberviaPage") | |
| 423 | |
| 424 def nextPath(self, request): | |
| 425 """get next URL path segment, and update request accordingly | |
| 426 | |
| 427 will move first segment of postpath in prepath | |
| 428 @param request(server.Request): current HTTP request | |
| 429 @return (unicode): unquoted segment | |
| 430 @raise IndexError: there is no segment left | |
| 431 """ | |
| 432 pathElement = request.postpath.pop(0) | |
| 433 request.prepath.append(pathElement) | |
| 434 return urllib.unquote(pathElement).decode('utf-8') | |
| 435 | |
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436 def checkCacheSubscribeCb(self, sub_id, service, node): |
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437 self.cache_pubsub_sub.add((service, node, sub_id)) |
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438 |
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439 def checkCacheSubscribeEb(self, failure_, service, node): |
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440 log.warning(_(u"Can't subscribe to node: {msg}").format(msg=failure_)) |
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441 # FIXME: cache must be marked as unusable here |
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442 |
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443 def psNodeWatchAddEb(self, failure_, service, node): |
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444 log.warning(_(u"Can't add node watched: {msg}").format(msg=failure_)) |
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445 |
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446 def checkCache(self, request, cache_type, **kwargs): |
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447 """check if a page is in cache and return cached version if suitable |
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448 |
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449 this method may perform extra operation to handle cache (e.g. subscribing to a |
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450 pubsub node) |
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451 @param request(server.Request): current HTTP request |
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452 @param cache_type(int): on of C.CACHE_* const. |
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453 @param **kwargs: args according to cache_type: |
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454 C.CACHE_PROFILE: |
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455 service: pubsub service |
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456 node: pubsub node |
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457 short: short name of feature (needed if node is empty) |
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458 |
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459 """ |
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460 if request.postpath: |
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461 # we are not on the final page, no need to go further |
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462 return |
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463 profile = self.getProfile(request) or C.SERVICE_PROFILE |
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464 |
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465 if cache_type == C.CACHE_PUBSUB: |
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466 service, node = kwargs['service'], kwargs['node'] |
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467 if not node: |
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468 try: |
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469 short = kwargs['short'] |
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470 node = self.host.ns_map[short] |
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471 except KeyError: |
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472 log.warning(_(u"Can't use cache for empty node without namespace set, please ensure to set \"short\" and that it is registered")) |
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473 return |
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474 if profile != C.SERVICE_PROFILE: |
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475 # only service profile is cache for now |
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476 return |
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477 try: |
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478 cache = self.cache[profile][cache_type][service][node][self] |
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479 except KeyError: |
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480 # no cache yet, let's subscribe to the pubsub node |
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481 d1 = self.host.bridgeCall('psSubscribe', service.full(), node, {}, profile) |
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482 d1.addCallback(self.checkCacheSubscribeCb, service, node) |
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483 d1.addErrback(self.checkCacheSubscribeEb, service, node) |
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484 d2 = self.host.bridgeCall('psNodeWatchAdd', service.full(), node, profile) |
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485 d2.addErrback(self.psNodeWatchAddEb, service, node) |
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486 self._do_cache = [profile, cache_type, service, node] |
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487 # we don't return the Deferreds as it is not needed to wait for |
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488 # the subscription to continue with page rendering |
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489 return |
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490 |
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491 else: |
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492 raise exceptions.InternalError(u'Unknown cache_type') |
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493 log.debug(u'using cache for {page}'.format(page=self)) |
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494 cache.last_access = time.time() |
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495 request.write(cache.rendered) |
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496 request.finish() |
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497 raise failure.Failure(exceptions.CancelError(u'cache is used')) |
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498 |
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499 @classmethod |
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500 def onNodeEvent(cls, host, service, node, event_type, items, profile): |
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501 """Invalidate cache for all pages linked to this node""" |
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502 try: |
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503 cache = cls.cache[profile][C.CACHE_PUBSUB][jid.JID(service)][node] |
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504 except KeyError: |
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505 log.info(_(u'Removing subscription for {service}/{node}: ' |
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506 u'the page is not cached').format(service=service, node=node)) |
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507 d1 = host.bridgeCall('psUnsubscribe', service, node, profile) |
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508 d1.addErrback(lambda failure_: |
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509 log.warning(_(u"Can't unsubscribe from {service}/{node}: {msg}").format( |
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510 service=service, node=node, msg=failure_))) |
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511 d2 = host.bridgeCall('psNodeWatchAdd', service, node, profile) |
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512 # TODO: check why the page is not in cache, remove subscription? |
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513 d2.addErrback(lambda failure_: |
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514 log.warning(_(u"Can't remove watch for {service}/{node}: {msg}").format( |
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515 service=service, node=node, msg=failure_))) |
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516 else: |
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517 cache.clear() |
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518 |
| 995 | 519 @classmethod |
| 520 def onSignal(cls, host, signal, *args): | |
| 521 """Generic method which receive registered signals | |
| 522 | |
| 523 if a callback is registered for this signal, call it | |
| 524 @param host: Libervia instance | |
| 525 @param signal(unicode): name of the signal | |
| 526 @param *args: args of the signals | |
| 527 """ | |
| 528 for page, request, check_profile in cls.signals_handlers.get(signal, {}).itervalues(): | |
| 529 if check_profile: | |
| 530 signal_profile = args[-1] | |
| 531 request_profile = page.getProfile(request) | |
| 532 if not request_profile: | |
| 533 # if you want to use signal without session, unset check_profile | |
| 534 # (be sure to know what you are doing) | |
| 535 log.error(_(u"no session started, signal can't be checked")) | |
| 536 continue | |
| 537 if signal_profile != request_profile: | |
| 538 # we ignore the signal, it's not for our profile | |
| 539 continue | |
| 540 if request._signals_cache is not None: | |
| 541 # socket is not yet opened, we cache the signal | |
| 542 request._signals_cache.append((request, signal, args)) | |
| 543 log.debug(u"signal [{signal}] cached: {args}".format( | |
| 544 signal = signal, | |
| 545 args = args)) | |
| 546 else: | |
| 547 page.on_signal(page, request, signal, *args) | |
| 548 | |
| 549 def onSocketOpen(self, request): | |
| 550 """Called for dynamic pages when socket has just been opened | |
| 551 | |
| 552 we send all cached signals | |
| 553 """ | |
| 554 assert request._signals_cache is not None | |
| 555 cache = request._signals_cache | |
| 556 request._signals_cache = None | |
| 557 for request, signal, args in cache: | |
| 558 self.on_signal(self, request, signal, *args) | |
| 559 | |
| 560 def onSocketClose(self, request): | |
| 561 """Called for dynamic pages when socket has just been closed | |
| 562 | |
| 563 we remove signal handler | |
| 564 """ | |
| 565 for signal in request._signals_registered: | |
| 566 try: | |
| 567 del LiberviaPage.signals_handlers[signal][id(request)] | |
| 568 except KeyError: | |
| 569 log.error(_(u"Can't find signal handler for [{signal}], this should not happen").format( | |
| 570 signal = signal)) | |
| 571 else: | |
| 572 log.debug(_(u"Removed signal handler")) | |
| 573 | |
| 962 | 574 def HTTPRedirect(self, request, url): |
| 575 """redirect to an URL using HTTP redirection | |
| 576 | |
| 577 @param request(server.Request): current HTTP request | |
| 578 @param url(unicode): url to redirect to | |
| 579 """ | |
| 580 | |
| 581 web_util.redirectTo(url.encode('utf-8'), request) | |
| 582 request.finish() | |
| 583 raise failure.Failure(exceptions.CancelError(u'HTTP redirection is used')) | |
| 584 | |
| 585 def redirectOrContinue(self, request, redirect_arg=u'redirect_url'): | |
| 586 """helper method to redirect a page to an url given as arg | |
| 587 | |
| 588 if the arg is not present, the page will continue normal workflow | |
| 589 @param request(server.Request): current HTTP request | |
| 590 @param redirect_arg(unicode): argument to use to get redirection URL | |
| 591 @interrupt: redirect the page to requested URL | |
| 592 @interrupt pageError(C.HTTP_BAD_REQUEST): empty or non local URL is used | |
| 593 """ | |
| 594 try: | |
| 595 url = self.getPostedData(request, 'redirect_url') | |
| 596 except KeyError: | |
| 597 pass | |
| 598 else: | |
| 599 # a redirection is requested | |
| 600 if not url or url[0] != u'/': | |
| 601 # we only want local urls | |
| 602 self.pageError(request, C.HTTP_BAD_REQUEST) | |
| 603 else: | |
| 604 self.HTTPRedirect(request, url) | |
| 605 | |
|
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606 def pageRedirect(self, page_path, request, skip_parse_url=True): |
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607 """redirect a page to a named page |
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608 |
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609 the workflow will continue with the workflow of the named page, |
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610 skipping named page's parse_url method if it exist. |
| 962 | 611 If you want to do a HTTP redirection, use HTTPRedirect |
|
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612 @param page_path(unicode): path to page (elements are separated by "/"): |
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613 if path starts with a "/": |
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614 path is a full path starting from root |
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615 else: |
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616 - first element is name as registered in name variable |
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617 - following element are subpages path |
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618 e.g.: "blog" redirect to page named "blog" |
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619 "blog/atom.xml" redirect to atom.xml subpage of "blog" |
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620 "/common/blog/atom.xml" redirect to the page at the fiven full path |
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621 @param request(server.Request): current HTTP request |
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622 @param skip_parse_url(bool): if True, parse_url method on redirect page will be skipped |
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623 @raise KeyError: there is no known page with this name |
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624 """ |
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625 # FIXME: render non LiberviaPage resources |
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626 path = page_path.rstrip(u'/').split(u'/') |
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627 if not path[0]: |
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628 redirect_page = self.host.root |
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629 else: |
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630 redirect_page = self.named_pages[path[0]] |
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631 |
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632 for subpage in path[1:]: |
| 962 | 633 if redirect_page is self.host.root: |
| 634 redirect_page = redirect_page.children[subpage] | |
| 635 else: | |
| 636 redirect_page = redirect_page.original.children[subpage] | |
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637 |
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638 redirect_page.renderPage(request, skip_parse_url=True) |
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639 raise failure.Failure(exceptions.CancelError(u'page redirection is used')) |
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640 |
|
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641 def pageError(self, request, code=C.HTTP_NOT_FOUND): |
| 917 | 642 """generate an error page and terminate the request |
| 643 | |
| 644 @param request(server.Request): HTTP request | |
| 645 @param core(int): error code to use | |
| 646 """ | |
| 647 template = u'error/' + unicode(code) + '.html' | |
| 648 | |
| 649 request.setResponseCode(code) | |
| 650 | |
| 651 rendered = self.host.renderer.render( | |
| 652 template, | |
| 653 root_path = '/templates/', | |
| 654 error_code = code, | |
| 655 **request.template_data) | |
| 656 | |
| 657 self.writeData(rendered, request) | |
| 658 raise failure.Failure(exceptions.CancelError(u'error page is used')) | |
| 659 | |
| 660 def writeData(self, data, request): | |
|
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661 """write data to transport and finish the request""" |
| 917 | 662 if data is None: |
| 663 self.pageError(request) | |
|
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664 data_encoded = data.encode('utf-8') |
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665 request.write(data_encoded) |
| 917 | 666 request.finish() |
|
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667 if self._do_cache is not None: |
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668 cache = reduce(lambda d, k: d.setdefault(k, {}), self._do_cache, self.cache) |
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669 cache[self] = Cache(data_encoded) |
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670 log.debug(_(u'{page} put in cache for [{profile}]').format( |
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671 page=self, |
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672 profile=self._do_cache[0])) |
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673 self._do_cache = None |
| 917 | 674 |
| 675 def _subpagesHandler(self, dummy, request): | |
| 676 """render subpage if suitable | |
| 677 | |
| 678 this method checks if there is still an unmanaged part of the path | |
| 679 and check if it corresponds to a subpage. If so, it render the subpage | |
| 680 else it render a NoResource. | |
| 681 If there is no unmanaged part of the segment, current page workflow is pursued | |
| 682 """ | |
| 683 if request.postpath: | |
| 684 subpage = self.nextPath(request) | |
| 685 try: | |
| 686 child = self.children[subpage] | |
| 687 except KeyError: | |
| 688 self.pageError(request) | |
| 689 else: | |
| 690 child.render(request) | |
| 691 raise failure.Failure(exceptions.CancelError(u'subpage page is used')) | |
| 692 | |
|
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693 def _prepare_dynamic(self, dummy, request): |
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694 # we need to activate dynamic page |
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695 # we set data for template, and create/register token |
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696 socket_token = unicode(uuid.uuid4()) |
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697 socket_url = self.host.getWebsocketURL(request) |
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698 socket_debug = C.boolConst(self.host.debug) |
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699 request.template_data['websocket'] = WebsocketMeta(socket_url, socket_token, socket_debug) |
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700 self.host.registerWSToken(socket_token, self, request) |
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pages: dynamic set up is now done just before prepare_render call:
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parents:
995
diff
changeset
|
701 # 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
|
702 request._signals_registered = [] |
|
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
703 # 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
|
704 request._signals_cache = [] |
|
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
705 |
| 917 | 706 def _prepare_render(self, dummy, request): |
|
926
612e33fd32a8
server (pages): fixed _prepare_render handling
Goffi <goffi@goffi.org>
parents:
925
diff
changeset
|
707 return defer.maybeDeferred(self.prepare_render, self, request) |
| 917 | 708 |
| 709 def _render_method(self, dummy, request): | |
| 710 return defer.maybeDeferred(self.render_method, self, request) | |
| 711 | |
| 962 | 712 def _render_template(self, dummy, request): |
| 713 template_data = request.template_data | |
| 714 | |
| 715 # if confirm variable is set in case of successfuly data post | |
| 716 session_data = self.host.getSessionData(request, session_iface.ISATSession) | |
| 717 if session_data.popPageFlag(self, C.FLAG_CONFIRM): | |
| 718 template_data[u'confirm'] = True | |
| 719 | |
| 917 | 720 return self.host.renderer.render( |
| 721 self.template, | |
| 722 root_path = '/templates/', | |
| 962 | 723 media_path = '/' + C.MEDIA_DIR, |
| 995 | 724 cache_path = session_data.cache_dir, |
|
990
6daa59d44ee2
pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents:
985
diff
changeset
|
725 main_menu = LiberviaPage.main_menu, |
| 917 | 726 **template_data) |
| 727 | |
| 728 def _renderEb(self, failure_, request): | |
| 729 """don't raise error on CancelError""" | |
| 730 failure_.trap(exceptions.CancelError) | |
| 731 | |
|
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
|
732 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
|
733 """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
|
734 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
|
735 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
|
736 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
|
737 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
|
738 |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
739 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
|
740 """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
|
741 |
|
968
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
742 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
|
743 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
|
744 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
|
745 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
|
746 HTTP status code "See Other" (303) is used as it is the recommanded code in this case. |
| 962 | 747 @param ret(None, unicode, iterable): on_data_post return value |
| 748 see LiberviaPage.__init__ on_data_post docstring | |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
749 """ |
| 962 | 750 if ret is None: |
| 751 ret = () | |
| 752 elif isinstance(ret, basestring): | |
| 753 ret = (ret,) | |
| 754 else: | |
| 755 ret = tuple(ret) | |
| 756 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
|
757 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
|
758 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
|
759 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
|
760 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
|
761 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
|
762 redirect_page = redirect_page_data[0] |
|
972
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
763 redirect_page_args = redirect_page_data[1:] |
|
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
764 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
|
765 else: |
|
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
766 redirect_page = redirect_page_data |
|
972
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
767 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
|
768 else: |
|
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
769 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
|
770 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
|
771 |
| 962 | 772 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
|
773 session_data.setPageFlag(redirect_page, C.FLAG_CONFIRM) |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
774 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
|
775 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
|
776 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
|
777 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
|
778 |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
779 def _on_data_post(self, dummy, request): |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
780 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
|
781 try: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
782 given_csrf = self.getPostedData(request, u'csrf_token') |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
783 except KeyError: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
784 given_csrf = None |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
785 if given_csrf is None or given_csrf != csrf_token: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
786 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
|
787 url=request.uri, |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
788 ip=request.getClientIP())) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
789 self.pageError(request, C.HTTP_UNAUTHORIZED) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
790 d = defer.maybeDeferred(self.on_data_post, self, request) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
791 d.addCallback(self._on_data_post_redirect, request) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
792 return d |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
793 |
|
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
794 def getPostedData(self, request, keys, multiple=False): |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
795 """get data from a POST request and decode it |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
796 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
797 @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
|
798 @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
|
799 unicode to get one value |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
800 iterable to get more than one |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
801 @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
|
802 if False, the first value is returned |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
803 @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
|
804 @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
|
805 """ |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
806 if isinstance(keys, basestring): |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
807 keys = [keys] |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
808 get_first = True |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
809 else: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
810 get_first = False |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
811 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
812 ret = [] |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
813 for key in keys: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
814 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
|
815 if multiple: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
816 ret.append(gen) |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
817 else: |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
818 try: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
819 ret.append(next(gen)) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
820 except StopIteration: |
| 962 | 821 raise KeyError(key) |
|
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
822 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
823 return ret[0] if get_first else ret |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
824 |
| 959 | 825 def getAllPostedData(self, request, except_=()): |
| 826 """get all posted data | |
| 827 | |
| 828 @param request(server.Request): request linked to the session | |
| 829 @param except_(iterable[unicode]): key of values to ignore | |
| 830 csrf_token will always be ignored | |
| 831 @return (dict[unicode, list[unicode]]): post values | |
| 832 """ | |
| 833 except_ = tuple(except_) + (u'csrf_token',) | |
| 834 ret = {} | |
| 835 for key, values in request.args.iteritems(): | |
| 836 key = urllib.unquote(key).decode('utf-8') | |
| 837 if key in except_: | |
| 838 continue | |
| 839 ret[key] = [urllib.unquote(v).decode('utf-8') for v in values] | |
| 840 return ret | |
| 841 | |
|
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
|
842 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
|
843 """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
|
844 |
|
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
|
845 @return (unicode, None): current profile |
|
16d1084d1371
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846 None if no profile session is started |
|
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847 """ |
|
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848 sat_session = self.host.getSessionData(request, session_iface.ISATSession) |
|
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|
849 return sat_session.profile |
|
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|
850 |
|
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|
851 def getRData(self, request): |
|
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852 """helper method to get request data dict |
|
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|
853 |
|
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|
854 this dictionnary if for the request only, it is not saved in session |
|
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855 It is mainly used to pass data between pages/methods called during request workflow |
|
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856 @return (dict): request data |
|
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857 """ |
|
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858 try: |
|
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859 return request.data |
|
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860 except AttributeError: |
|
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861 request.data = {} |
|
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862 return request.data |
|
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|
863 |
|
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864 def _checkAccess(self, data, request): |
|
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865 """Check access according to self.access |
|
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|
866 |
|
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867 if access is not granted, show a HTTP_UNAUTHORIZED pageError and stop request, |
|
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868 else return data (so it can be inserted in deferred chain |
|
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869 """ |
|
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870 if self.access == C.PAGES_ACCESS_PUBLIC: |
|
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|
871 pass |
|
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872 elif self.access == C.PAGES_ACCESS_PROFILE: |
|
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873 profile = self.getProfile(request) |
|
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874 if not profile: |
| 962 | 875 # no session started |
| 876 if not self.host.options["allow_registration"]: | |
| 877 # registration not allowed, access is not granted | |
| 878 self.pageError(request, C.HTTP_UNAUTHORIZED) | |
| 879 else: | |
| 880 # registration allowed, we redirect to login page | |
| 881 login_url = self.getPageRedirectURL(request) | |
| 882 self.HTTPRedirect(request, login_url) | |
|
922
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|
883 |
|
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|
884 return data |
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|
885 |
| 995 | 886 def renderPartial(self, request, template, template_data): |
| 887 """Render a template to be inserted in dynamic page | |
| 888 | |
| 889 this is NOT the normal page rendering method, it is used only to update | |
| 890 dynamic pages | |
| 891 @param template(unicode): path of the template to render | |
| 892 @param template_data(dict): template_data to use | |
| 893 """ | |
| 894 if not self.dynamic: | |
| 895 raise exceptions.InternalError(_(u"renderPartial must only be used with dynamic pages")) | |
| 896 session_data = self.host.getSessionData(request, session_iface.ISATSession) | |
| 897 | |
| 898 return self.host.renderer.render( | |
| 899 template, | |
| 900 root_path = '/templates/', | |
| 901 media_path = '/' + C.MEDIA_DIR, | |
| 902 cache_path = session_data.cache_dir, | |
| 903 main_menu = LiberviaPage.main_menu, | |
| 904 **template_data) | |
| 905 | |
| 906 def renderAndUpdate(self, request, template, selectors, template_data_update, update_type="append"): | |
| 907 """Helper method to render a partial page element and update the page | |
| 908 | |
| 909 this is NOT the normal page rendering method, it is used only to update | |
| 910 dynamic pages | |
| 911 @param request(server.Request): current HTTP request | |
| 912 @param template: same as for [renderPartial] | |
| 913 @param selectors: CSS selectors to use | |
| 914 @param template_data_update: template data to use | |
| 915 template data cached in request will be copied then updated | |
| 916 with this data | |
| 917 @parap update_type(unicode): one of: | |
| 918 append: append rendered element to selected element | |
| 919 """ | |
| 920 template_data = request.template_data.copy() | |
| 921 template_data.update(template_data_update) | |
| 922 html = self.renderPartial(request, template, template_data) | |
| 923 request.sendData(u'dom', | |
| 924 selectors=selectors, | |
| 925 update_type=update_type, | |
| 926 html=html) | |
| 927 | |
|
923
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|
928 def renderPage(self, request, skip_parse_url=False): |
|
937
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|
929 """Main method to handle the workflow of a LiberviaPage""" |
|
994
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990
diff
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|
930 |
|
923
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|
931 # template_data are the variables passed to template |
| 917 | 932 if not hasattr(request, 'template_data'): |
|
957
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956
diff
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|
933 session_data = self.host.getSessionData(request, session_iface.ISATSession) |
|
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956
diff
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|
934 csrf_token = session_data.csrf_token |
|
994
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diff
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|
935 request.template_data = {u'profile': session_data.profile, |
|
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diff
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|
936 u'csrf_token': csrf_token} |
|
922
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|
937 |
|
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|
938 # XXX: here is the code which need to be executed once |
|
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|
939 # at the beginning of the request hanling |
| 917 | 940 if request.postpath and not request.postpath[-1]: |
| 941 # we don't differenciate URLs finishing with '/' or not | |
| 942 del request.postpath[-1] | |
|
922
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|
943 |
| 917 | 944 d = defer.Deferred() |
|
922
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|
945 d.addCallback(self._checkAccess, request) |
|
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|
946 |
|
923
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|
947 if self.redirect is not None: |
|
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|
948 self.pageRedirect(self.redirect, request, skip_parse_url=False) |
|
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|
949 |
|
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diff
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|
950 if self.parse_url is not None and not skip_parse_url: |
| 917 | 951 d.addCallback(self.parse_url, request) |
| 952 | |
| 953 d.addCallback(self._subpagesHandler, request) | |
| 954 | |
|
931
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927
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|
955 if request.method not in (C.HTTP_METHOD_GET, C.HTTP_METHOD_POST): |
|
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diff
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|
956 # only HTTP GET and POST are handled so far |
|
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|
957 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST)) |
|
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|
958 |
|
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|
959 if request.method == C.HTTP_METHOD_POST: |
|
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|
960 if self.on_data_post is None: |
|
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|
961 # if we don't have on_data_post, the page was not expecting POST |
|
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|
962 # so we return an error |
|
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|
963 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST)) |
|
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|
964 else: |
|
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|
965 d.addCallback(self._on_data_post, request) |
|
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|
966 # by default, POST follow normal behaviour after on_data_post is called |
|
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|
967 # this can be changed by a redirection or other method call in on_data_post |
|
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|
968 |
|
998
0848b8b0188d
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diff
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|
969 if self.dynamic: |
|
0848b8b0188d
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diff
changeset
|
970 d.addCallback(self._prepare_dynamic, request) |
|
0848b8b0188d
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diff
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|
971 |
| 917 | 972 if self.prepare_render: |
| 973 d.addCallback(self._prepare_render, request) | |
| 974 | |
| 975 if self.template: | |
| 962 | 976 d.addCallback(self._render_template, request) |
| 917 | 977 elif self.render_method: |
| 978 d.addCallback(self._render_method, request) | |
| 979 | |
| 980 d.addCallback(self.writeData, request) | |
| 981 d.addErrback(self._renderEb, request) | |
|
937
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936
diff
changeset
|
982 d.addErrback(self._internalError, request) |
| 917 | 983 d.callback(self) |
| 984 return server.NOT_DONE_YET | |
| 985 | |
|
923
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922
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|
986 def render_GET(self, request): |
|
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987 return self.renderPage(request) |
|
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|
988 |
|
931
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|
989 def render_POST(self, request): |
|
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|
990 return self.renderPage(request) |