Mercurial > libervia-web
annotate src/server/pages.py @ 999:ded41172dcb5
pages (chat): new chat_select page which display rooms from bookmarks and allows to specify a jid to talk to.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 05 Jan 2018 16:30:03 +0100 |
| parents | 0848b8b0188d |
| children | 05cc33d8e328 |
| 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 raise ValueError(_(u"menu item can't be empty")) |
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254 elif isinstance(menu, list): |
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255 if len(menu) != 2: |
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256 raise ValueError(_(u"menu item as list must be in the form [page_name, absolue URL]")) |
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257 page_name, url = menu |
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258 else: |
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259 page_name = menu |
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260 url = cls.getPageByName(page_name).url |
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261 main_menu.append((page_name, url)) |
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262 cls.main_menu = main_menu |
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263 |
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264 @classmethod |
| 925 | 265 def registerURI(cls, uri_tuple, get_uri_cb, pre_path): |
| 266 """register a URI handler | |
| 267 | |
| 268 @param uri_tuple(tuple[unicode, unicode]): type or URIs handler | |
| 269 type/subtype as returned by tools/common/parseXMPPUri | |
| 270 @param get_uri_cb(callable): method which take uri_data dict as only argument | |
| 271 and return path with correct arguments relative to page itself | |
| 272 @param pre_path(list[unicode]): prefix path to reference the handler page | |
| 273 """ | |
| 274 if uri_tuple in cls.uri_callbacks: | |
| 275 log.info(_(u"{}/{} URIs are already handled, replacing by the new handler").format(*uri_tuple)) | |
| 276 cls.uri_callbacks[uri_tuple] = {u'callback': get_uri_cb, | |
| 277 u'pre_path': pre_path} | |
| 278 | |
| 995 | 279 def registerSignal(self, request, signal, check_profile=True): |
| 280 r"""register a signal handler | |
| 281 | |
| 282 the page must be dynamic | |
| 283 when signal is received, self.on_signal will be called with: | |
| 284 - request | |
| 285 - signal name | |
| 286 - signal arguments | |
| 287 signal handler will be removed when connection with dynamic page will be lost | |
| 288 @param signal(unicode): name of the signal | |
| 289 last arg of signal must be profile, as it will be checked to filter signals | |
| 290 @param check_profile(bool): if True, signal profile (which MUST be last arg) will be | |
| 291 checked against session profile. | |
| 292 /!\ if False, profile will not be checked/filtered, be sure to know what you are doing | |
| 293 if you unset this option /!\ | |
| 294 """ | |
| 295 # FIXME: add a timeout, if socket is not opened before it, signal handler must be removed | |
| 296 if not self.dynamic: | |
| 297 log.error(_(u"You can't register signal if page is not dynamic")) | |
| 298 return | |
| 299 LiberviaPage.signals_handlers.setdefault(signal, {})[id(request)] = (self, request, check_profile) | |
| 300 request._signals_registered.append(signal) | |
| 301 | |
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302 def getPagePathFromURI(self, uri): |
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303 """Retrieve page URL from xmpp: URI |
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304 |
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305 @param uri(unicode): URI with a xmpp: scheme |
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306 @return (unicode,None): absolute path (starting from root "/") to page handling the URI |
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307 None is returned if not page has been registered for this URI |
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308 """ |
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309 uri_data = common_uri.parseXMPPUri(uri) |
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310 try: |
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311 callback_data = self.uri_callbacks[uri_data['type'], uri_data.get('sub_type')] |
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312 except KeyError: |
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313 return |
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314 else: |
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315 url = os.path.join(u'/', u'/'.join(callback_data['pre_path']), callback_data['callback'](self, uri_data)) |
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316 return url |
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317 |
| 979 | 318 @classmethod |
| 319 def getPageByName(cls, name): | |
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320 """retrieve page instance from its name |
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321 |
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322 @param name(unicode): name of the page |
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323 @return (LiberviaPage): page instance |
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324 @raise KeyError: the page doesn't exist |
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325 """ |
| 979 | 326 return cls.named_pages[name] |
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327 |
| 962 | 328 def getPageRedirectURL(self, request, page_name=u'login', url=None): |
| 329 """generate URL for a page with redirect_url parameter set | |
| 330 | |
| 331 mainly used for login page with redirection to current page | |
| 332 @param request(server.Request): current HTTP request | |
| 333 @param page_name(unicode): name of the page to go | |
| 334 @param url(None, unicode): url to redirect to | |
| 335 None to use request path (i.e. current page) | |
| 336 @return (unicode): URL to use | |
| 337 """ | |
| 338 return u'{root_url}?redirect_url={redirect_url}'.format( | |
| 339 root_url = self.getPageByName(page_name).url, | |
| 340 redirect_url=urllib.quote_plus(request.uri) if url is None else url.encode('utf-8')) | |
| 341 | |
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342 def getURL(self, *args): |
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343 """retrieve URL of the page set arguments |
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344 |
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345 *args(list[unicode]): argument to add to the URL as path elements |
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346 """ |
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347 url_args = [quote(a) for a in args] |
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348 |
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349 if self.name is not None and self.name in self.pages_redirects: |
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350 # we check for redirection |
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351 redirect_data = self.pages_redirects[self.name] |
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352 args_hash = tuple(args) |
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353 for limit in xrange(len(args)+1): |
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354 current_hash = args_hash[:limit] |
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355 if current_hash in redirect_data: |
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356 url_base = redirect_data[current_hash] |
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357 remaining = args[limit:] |
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358 remaining_url = '/'.join(remaining) |
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359 return os.path.join('/', url_base, remaining_url) |
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360 |
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361 return os.path.join(self.url, *url_args) |
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362 |
|
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363 def getSubPageURL(self, request, page_name, *args): |
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364 """retrieve a page in direct children and build its URL according to request |
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365 |
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366 request's current path is used as base (at current parsing point, |
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367 i.e. it's more prepath than path). |
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368 Requested page is checked in children and an absolute URL is then built |
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369 by the resulting combination. |
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370 This method is useful to construct absolute URLs for children instead of |
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371 using relative path, which may not work in subpages, and are linked to the |
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372 names of directories (i.e. relative URL will break if subdirectory is renamed |
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373 while getSubPageURL won't as long as page_name is consistent). |
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374 Also, request.path is used, keeping real path used by user, |
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375 and potential redirections. |
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376 @param request(server.Request): current HTTP request |
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377 @param page_name(unicode): name of the page to retrieve |
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378 it must be a direct children of current page |
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379 @param *args(list[unicode]): arguments to add as path elements |
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380 @return unicode: absolute URL to the sub page |
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381 """ |
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382 # we get url in the following way (splitting request.path instead of using |
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383 # request.prepath) because request.prepath may have been modified by |
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384 # redirection (if redirection args have been specified), while path reflect |
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385 # the real request |
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386 |
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387 # we ignore empty path elements (i.e. double '/' or '/' at the end) |
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388 path_elts = [p for p in request.path.split('/') if p] |
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389 |
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390 if request.postpath: |
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391 if not request.postpath[-1]: |
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392 # we remove trailing slash |
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393 request.postpath = request.postpath[:-1] |
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394 if request.postpath: |
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395 # getSubPageURL must return subpage from the point where |
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396 # the it is called, so we have to remove remanining |
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397 # path elements |
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398 path_elts = path_elts[:-len(request.postpath)] |
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399 |
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400 current_url = '/' + '/'.join(path_elts).decode('utf-8') |
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401 |
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402 for path, child in self.children.iteritems(): |
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403 try: |
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404 child_name = child.name |
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405 except AttributeError: |
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406 # LiberviaPage have a name, but maybe this is an other Resource |
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407 continue |
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408 if child_name == page_name: |
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409 return os.path.join(u'/', current_url, path, *args) |
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410 raise exceptions.NotFound(_(u'requested sub page has not been found')) |
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411 |
| 917 | 412 def getChildWithDefault(self, path, request): |
| 413 # we handle children ourselves | |
| 414 raise exceptions.InternalError(u"this method should not be used with LiberviaPage") | |
| 415 | |
| 416 def nextPath(self, request): | |
| 417 """get next URL path segment, and update request accordingly | |
| 418 | |
| 419 will move first segment of postpath in prepath | |
| 420 @param request(server.Request): current HTTP request | |
| 421 @return (unicode): unquoted segment | |
| 422 @raise IndexError: there is no segment left | |
| 423 """ | |
| 424 pathElement = request.postpath.pop(0) | |
| 425 request.prepath.append(pathElement) | |
| 426 return urllib.unquote(pathElement).decode('utf-8') | |
| 427 | |
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428 def checkCacheSubscribeCb(self, sub_id, service, node): |
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429 self.cache_pubsub_sub.add((service, node, sub_id)) |
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430 |
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431 def checkCacheSubscribeEb(self, failure_, service, node): |
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432 log.warning(_(u"Can't subscribe to node: {msg}").format(msg=failure_)) |
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433 # FIXME: cache must be marked as unusable here |
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434 |
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435 def psNodeWatchAddEb(self, failure_, service, node): |
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436 log.warning(_(u"Can't add node watched: {msg}").format(msg=failure_)) |
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437 |
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438 def checkCache(self, request, cache_type, **kwargs): |
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439 """check if a page is in cache and return cached version if suitable |
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440 |
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441 this method may perform extra operation to handle cache (e.g. subscribing to a |
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442 pubsub node) |
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443 @param request(server.Request): current HTTP request |
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444 @param cache_type(int): on of C.CACHE_* const. |
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445 @param **kwargs: args according to cache_type: |
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446 C.CACHE_PROFILE: |
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447 service: pubsub service |
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448 node: pubsub node |
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449 short: short name of feature (needed if node is empty) |
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450 |
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451 """ |
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452 if request.postpath: |
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453 # we are not on the final page, no need to go further |
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454 return |
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455 profile = self.getProfile(request) or C.SERVICE_PROFILE |
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456 |
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457 if cache_type == C.CACHE_PUBSUB: |
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458 service, node = kwargs['service'], kwargs['node'] |
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459 if not node: |
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460 try: |
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461 short = kwargs['short'] |
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462 node = self.host.ns_map[short] |
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463 except KeyError: |
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464 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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465 return |
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466 if profile != C.SERVICE_PROFILE: |
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467 # only service profile is cache for now |
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468 return |
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469 try: |
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470 cache = self.cache[profile][cache_type][service][node][self] |
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471 except KeyError: |
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472 # no cache yet, let's subscribe to the pubsub node |
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473 d1 = self.host.bridgeCall('psSubscribe', service.full(), node, {}, profile) |
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474 d1.addCallback(self.checkCacheSubscribeCb, service, node) |
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475 d1.addErrback(self.checkCacheSubscribeEb, service, node) |
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476 d2 = self.host.bridgeCall('psNodeWatchAdd', service.full(), node, profile) |
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477 d2.addErrback(self.psNodeWatchAddEb, service, node) |
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478 self._do_cache = [profile, cache_type, service, node] |
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479 # we don't return the Deferreds as it is not needed to wait for |
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480 # the subscription to continue with page rendering |
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481 return |
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482 |
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483 else: |
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484 raise exceptions.InternalError(u'Unknown cache_type') |
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485 log.debug(u'using cache for {page}'.format(page=self)) |
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486 cache.last_access = time.time() |
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487 request.write(cache.rendered) |
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488 request.finish() |
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489 raise failure.Failure(exceptions.CancelError(u'cache is used')) |
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490 |
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491 @classmethod |
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492 def onNodeEvent(cls, host, service, node, event_type, items, profile): |
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493 """Invalidate cache for all pages linked to this node""" |
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494 try: |
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495 cache = cls.cache[profile][C.CACHE_PUBSUB][jid.JID(service)][node] |
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496 except KeyError: |
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497 log.info(_(u'Removing subscription for {service}/{node}: ' |
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498 u'the page is not cached').format(service=service, node=node)) |
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499 d1 = host.bridgeCall('psUnsubscribe', service, node, profile) |
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500 d1.addErrback(lambda failure_: |
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501 log.warning(_(u"Can't unsubscribe from {service}/{node}: {msg}").format( |
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502 service=service, node=node, msg=failure_))) |
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503 d2 = host.bridgeCall('psNodeWatchAdd', service, node, profile) |
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504 # TODO: check why the page is not in cache, remove subscription? |
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505 d2.addErrback(lambda failure_: |
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506 log.warning(_(u"Can't remove watch for {service}/{node}: {msg}").format( |
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507 service=service, node=node, msg=failure_))) |
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508 else: |
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509 cache.clear() |
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510 |
| 995 | 511 @classmethod |
| 512 def onSignal(cls, host, signal, *args): | |
| 513 """Generic method which receive registered signals | |
| 514 | |
| 515 if a callback is registered for this signal, call it | |
| 516 @param host: Libervia instance | |
| 517 @param signal(unicode): name of the signal | |
| 518 @param *args: args of the signals | |
| 519 """ | |
| 520 for page, request, check_profile in cls.signals_handlers.get(signal, {}).itervalues(): | |
| 521 if check_profile: | |
| 522 signal_profile = args[-1] | |
| 523 request_profile = page.getProfile(request) | |
| 524 if not request_profile: | |
| 525 # if you want to use signal without session, unset check_profile | |
| 526 # (be sure to know what you are doing) | |
| 527 log.error(_(u"no session started, signal can't be checked")) | |
| 528 continue | |
| 529 if signal_profile != request_profile: | |
| 530 # we ignore the signal, it's not for our profile | |
| 531 continue | |
| 532 if request._signals_cache is not None: | |
| 533 # socket is not yet opened, we cache the signal | |
| 534 request._signals_cache.append((request, signal, args)) | |
| 535 log.debug(u"signal [{signal}] cached: {args}".format( | |
| 536 signal = signal, | |
| 537 args = args)) | |
| 538 else: | |
| 539 page.on_signal(page, request, signal, *args) | |
| 540 | |
| 541 def onSocketOpen(self, request): | |
| 542 """Called for dynamic pages when socket has just been opened | |
| 543 | |
| 544 we send all cached signals | |
| 545 """ | |
| 546 assert request._signals_cache is not None | |
| 547 cache = request._signals_cache | |
| 548 request._signals_cache = None | |
| 549 for request, signal, args in cache: | |
| 550 self.on_signal(self, request, signal, *args) | |
| 551 | |
| 552 def onSocketClose(self, request): | |
| 553 """Called for dynamic pages when socket has just been closed | |
| 554 | |
| 555 we remove signal handler | |
| 556 """ | |
| 557 for signal in request._signals_registered: | |
| 558 try: | |
| 559 del LiberviaPage.signals_handlers[signal][id(request)] | |
| 560 except KeyError: | |
| 561 log.error(_(u"Can't find signal handler for [{signal}], this should not happen").format( | |
| 562 signal = signal)) | |
| 563 else: | |
| 564 log.debug(_(u"Removed signal handler")) | |
| 565 | |
| 962 | 566 def HTTPRedirect(self, request, url): |
| 567 """redirect to an URL using HTTP redirection | |
| 568 | |
| 569 @param request(server.Request): current HTTP request | |
| 570 @param url(unicode): url to redirect to | |
| 571 """ | |
| 572 | |
| 573 web_util.redirectTo(url.encode('utf-8'), request) | |
| 574 request.finish() | |
| 575 raise failure.Failure(exceptions.CancelError(u'HTTP redirection is used')) | |
| 576 | |
| 577 def redirectOrContinue(self, request, redirect_arg=u'redirect_url'): | |
| 578 """helper method to redirect a page to an url given as arg | |
| 579 | |
| 580 if the arg is not present, the page will continue normal workflow | |
| 581 @param request(server.Request): current HTTP request | |
| 582 @param redirect_arg(unicode): argument to use to get redirection URL | |
| 583 @interrupt: redirect the page to requested URL | |
| 584 @interrupt pageError(C.HTTP_BAD_REQUEST): empty or non local URL is used | |
| 585 """ | |
| 586 try: | |
| 587 url = self.getPostedData(request, 'redirect_url') | |
| 588 except KeyError: | |
| 589 pass | |
| 590 else: | |
| 591 # a redirection is requested | |
| 592 if not url or url[0] != u'/': | |
| 593 # we only want local urls | |
| 594 self.pageError(request, C.HTTP_BAD_REQUEST) | |
| 595 else: | |
| 596 self.HTTPRedirect(request, url) | |
| 597 | |
|
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598 def pageRedirect(self, page_path, request, skip_parse_url=True): |
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599 """redirect a page to a named page |
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600 |
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601 the workflow will continue with the workflow of the named page, |
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602 skipping named page's parse_url method if it exist. |
| 962 | 603 If you want to do a HTTP redirection, use HTTPRedirect |
|
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604 @param page_path(unicode): path to page (elements are separated by "/"): |
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605 if path starts with a "/": |
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606 path is a full path starting from root |
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607 else: |
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608 - first element is name as registered in name variable |
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609 - following element are subpages path |
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610 e.g.: "blog" redirect to page named "blog" |
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611 "blog/atom.xml" redirect to atom.xml subpage of "blog" |
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612 "/common/blog/atom.xml" redirect to the page at the fiven full path |
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613 @param request(server.Request): current HTTP request |
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614 @param skip_parse_url(bool): if True, parse_url method on redirect page will be skipped |
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615 @raise KeyError: there is no known page with this name |
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616 """ |
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617 # FIXME: render non LiberviaPage resources |
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618 path = page_path.rstrip(u'/').split(u'/') |
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619 if not path[0]: |
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620 redirect_page = self.host.root |
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621 else: |
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622 redirect_page = self.named_pages[path[0]] |
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623 |
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624 for subpage in path[1:]: |
| 962 | 625 if redirect_page is self.host.root: |
| 626 redirect_page = redirect_page.children[subpage] | |
| 627 else: | |
| 628 redirect_page = redirect_page.original.children[subpage] | |
|
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629 |
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630 redirect_page.renderPage(request, skip_parse_url=True) |
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631 raise failure.Failure(exceptions.CancelError(u'page redirection is used')) |
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632 |
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633 def pageError(self, request, code=C.HTTP_NOT_FOUND): |
| 917 | 634 """generate an error page and terminate the request |
| 635 | |
| 636 @param request(server.Request): HTTP request | |
| 637 @param core(int): error code to use | |
| 638 """ | |
| 639 template = u'error/' + unicode(code) + '.html' | |
| 640 | |
| 641 request.setResponseCode(code) | |
| 642 | |
| 643 rendered = self.host.renderer.render( | |
| 644 template, | |
| 645 root_path = '/templates/', | |
| 646 error_code = code, | |
| 647 **request.template_data) | |
| 648 | |
| 649 self.writeData(rendered, request) | |
| 650 raise failure.Failure(exceptions.CancelError(u'error page is used')) | |
| 651 | |
| 652 def writeData(self, data, request): | |
|
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653 """write data to transport and finish the request""" |
| 917 | 654 if data is None: |
| 655 self.pageError(request) | |
|
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656 data_encoded = data.encode('utf-8') |
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657 request.write(data_encoded) |
| 917 | 658 request.finish() |
|
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659 if self._do_cache is not None: |
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660 cache = reduce(lambda d, k: d.setdefault(k, {}), self._do_cache, self.cache) |
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661 cache[self] = Cache(data_encoded) |
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662 log.debug(_(u'{page} put in cache for [{profile}]').format( |
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663 page=self, |
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664 profile=self._do_cache[0])) |
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665 self._do_cache = None |
| 917 | 666 |
| 667 def _subpagesHandler(self, dummy, request): | |
| 668 """render subpage if suitable | |
| 669 | |
| 670 this method checks if there is still an unmanaged part of the path | |
| 671 and check if it corresponds to a subpage. If so, it render the subpage | |
| 672 else it render a NoResource. | |
| 673 If there is no unmanaged part of the segment, current page workflow is pursued | |
| 674 """ | |
| 675 if request.postpath: | |
| 676 subpage = self.nextPath(request) | |
| 677 try: | |
| 678 child = self.children[subpage] | |
| 679 except KeyError: | |
| 680 self.pageError(request) | |
| 681 else: | |
| 682 child.render(request) | |
| 683 raise failure.Failure(exceptions.CancelError(u'subpage page is used')) | |
| 684 | |
|
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685 def _prepare_dynamic(self, dummy, request): |
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686 # we need to activate dynamic page |
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687 # we set data for template, and create/register token |
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688 socket_token = unicode(uuid.uuid4()) |
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689 socket_url = self.host.getWebsocketURL(request) |
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690 socket_debug = C.boolConst(self.host.debug) |
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691 request.template_data['websocket'] = WebsocketMeta(socket_url, socket_token, socket_debug) |
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692 self.host.registerWSToken(socket_token, self, request) |
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693 # we will keep track of handlers to remove |
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694 request._signals_registered = [] |
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695 # we will cache registered signals until socket is opened |
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696 request._signals_cache = [] |
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697 |
| 917 | 698 def _prepare_render(self, dummy, request): |
|
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699 return defer.maybeDeferred(self.prepare_render, self, request) |
| 917 | 700 |
| 701 def _render_method(self, dummy, request): | |
| 702 return defer.maybeDeferred(self.render_method, self, request) | |
| 703 | |
| 962 | 704 def _render_template(self, dummy, request): |
| 705 template_data = request.template_data | |
| 706 | |
| 707 # if confirm variable is set in case of successfuly data post | |
| 708 session_data = self.host.getSessionData(request, session_iface.ISATSession) | |
| 709 if session_data.popPageFlag(self, C.FLAG_CONFIRM): | |
| 710 template_data[u'confirm'] = True | |
| 711 | |
| 917 | 712 return self.host.renderer.render( |
| 713 self.template, | |
| 714 root_path = '/templates/', | |
| 962 | 715 media_path = '/' + C.MEDIA_DIR, |
| 995 | 716 cache_path = session_data.cache_dir, |
|
990
6daa59d44ee2
pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents:
985
diff
changeset
|
717 main_menu = LiberviaPage.main_menu, |
| 917 | 718 **template_data) |
| 719 | |
| 720 def _renderEb(self, failure_, request): | |
| 721 """don't raise error on CancelError""" | |
| 722 failure_.trap(exceptions.CancelError) | |
| 723 | |
|
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
|
724 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
|
725 """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
|
726 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
|
727 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
|
728 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
|
729 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
|
730 |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
731 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
|
732 """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
|
733 |
|
968
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
734 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
|
735 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
|
736 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
|
737 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
|
738 HTTP status code "See Other" (303) is used as it is the recommanded code in this case. |
| 962 | 739 @param ret(None, unicode, iterable): on_data_post return value |
| 740 see LiberviaPage.__init__ on_data_post docstring | |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
741 """ |
| 962 | 742 if ret is None: |
| 743 ret = () | |
| 744 elif isinstance(ret, basestring): | |
| 745 ret = (ret,) | |
| 746 else: | |
| 747 ret = tuple(ret) | |
| 748 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
|
749 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
|
750 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
|
751 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
|
752 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
|
753 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
|
754 redirect_page = redirect_page_data[0] |
|
972
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
755 redirect_page_args = redirect_page_data[1:] |
|
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
756 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
|
757 else: |
|
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
758 redirect_page = redirect_page_data |
|
972
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
759 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
|
760 else: |
|
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
761 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
|
762 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
|
763 |
| 962 | 764 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
|
765 session_data.setPageFlag(redirect_page, C.FLAG_CONFIRM) |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
766 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
|
767 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
|
768 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
|
769 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
|
770 |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
771 def _on_data_post(self, dummy, request): |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
772 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
|
773 try: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
774 given_csrf = self.getPostedData(request, u'csrf_token') |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
775 except KeyError: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
776 given_csrf = None |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
777 if given_csrf is None or given_csrf != csrf_token: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
778 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
|
779 url=request.uri, |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
780 ip=request.getClientIP())) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
781 self.pageError(request, C.HTTP_UNAUTHORIZED) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
782 d = defer.maybeDeferred(self.on_data_post, self, request) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
783 d.addCallback(self._on_data_post_redirect, request) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
784 return d |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
785 |
|
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
786 def getPostedData(self, request, keys, multiple=False): |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
787 """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
|
788 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
789 @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
|
790 @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
|
791 unicode to get one value |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
792 iterable to get more than one |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
793 @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
|
794 if False, the first value is returned |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
795 @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
|
796 @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
|
797 """ |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
798 if isinstance(keys, basestring): |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
799 keys = [keys] |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
800 get_first = True |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
801 else: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
802 get_first = False |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
803 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
804 ret = [] |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
805 for key in keys: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
806 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
|
807 if multiple: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
808 ret.append(gen) |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
809 else: |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
810 try: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
811 ret.append(next(gen)) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
812 except StopIteration: |
| 962 | 813 raise KeyError(key) |
|
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
814 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
815 return ret[0] if get_first else ret |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
816 |
| 959 | 817 def getAllPostedData(self, request, except_=()): |
| 818 """get all posted data | |
| 819 | |
| 820 @param request(server.Request): request linked to the session | |
| 821 @param except_(iterable[unicode]): key of values to ignore | |
| 822 csrf_token will always be ignored | |
| 823 @return (dict[unicode, list[unicode]]): post values | |
| 824 """ | |
| 825 except_ = tuple(except_) + (u'csrf_token',) | |
| 826 ret = {} | |
| 827 for key, values in request.args.iteritems(): | |
| 828 key = urllib.unquote(key).decode('utf-8') | |
| 829 if key in except_: | |
| 830 continue | |
| 831 ret[key] = [urllib.unquote(v).decode('utf-8') for v in values] | |
| 832 return ret | |
| 833 | |
|
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
|
834 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
|
835 """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
|
836 |
|
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
|
837 @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
|
838 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
|
839 """ |
|
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
|
840 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
|
841 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
|
842 |
|
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 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
|
844 """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
|
845 |
|
16d1084d1371
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846 this dictionnary if for the request only, it is not saved in session |
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847 It is mainly used to pass data between pages/methods called during request workflow |
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848 @return (dict): request data |
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849 """ |
|
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850 try: |
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851 return request.data |
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852 except AttributeError: |
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853 request.data = {} |
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854 return request.data |
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855 |
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856 def _checkAccess(self, data, request): |
|
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857 """Check access according to self.access |
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858 |
|
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859 if access is not granted, show a HTTP_UNAUTHORIZED pageError and stop request, |
|
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860 else return data (so it can be inserted in deferred chain |
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861 """ |
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862 if self.access == C.PAGES_ACCESS_PUBLIC: |
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863 pass |
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864 elif self.access == C.PAGES_ACCESS_PROFILE: |
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865 profile = self.getProfile(request) |
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866 if not profile: |
| 962 | 867 # no session started |
| 868 if not self.host.options["allow_registration"]: | |
| 869 # registration not allowed, access is not granted | |
| 870 self.pageError(request, C.HTTP_UNAUTHORIZED) | |
| 871 else: | |
| 872 # registration allowed, we redirect to login page | |
| 873 login_url = self.getPageRedirectURL(request) | |
| 874 self.HTTPRedirect(request, login_url) | |
|
922
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875 |
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876 return data |
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877 |
| 995 | 878 def renderPartial(self, request, template, template_data): |
| 879 """Render a template to be inserted in dynamic page | |
| 880 | |
| 881 this is NOT the normal page rendering method, it is used only to update | |
| 882 dynamic pages | |
| 883 @param template(unicode): path of the template to render | |
| 884 @param template_data(dict): template_data to use | |
| 885 """ | |
| 886 if not self.dynamic: | |
| 887 raise exceptions.InternalError(_(u"renderPartial must only be used with dynamic pages")) | |
| 888 session_data = self.host.getSessionData(request, session_iface.ISATSession) | |
| 889 | |
| 890 return self.host.renderer.render( | |
| 891 template, | |
| 892 root_path = '/templates/', | |
| 893 media_path = '/' + C.MEDIA_DIR, | |
| 894 cache_path = session_data.cache_dir, | |
| 895 main_menu = LiberviaPage.main_menu, | |
| 896 **template_data) | |
| 897 | |
| 898 def renderAndUpdate(self, request, template, selectors, template_data_update, update_type="append"): | |
| 899 """Helper method to render a partial page element and update the page | |
| 900 | |
| 901 this is NOT the normal page rendering method, it is used only to update | |
| 902 dynamic pages | |
| 903 @param request(server.Request): current HTTP request | |
| 904 @param template: same as for [renderPartial] | |
| 905 @param selectors: CSS selectors to use | |
| 906 @param template_data_update: template data to use | |
| 907 template data cached in request will be copied then updated | |
| 908 with this data | |
| 909 @parap update_type(unicode): one of: | |
| 910 append: append rendered element to selected element | |
| 911 """ | |
| 912 template_data = request.template_data.copy() | |
| 913 template_data.update(template_data_update) | |
| 914 html = self.renderPartial(request, template, template_data) | |
| 915 request.sendData(u'dom', | |
| 916 selectors=selectors, | |
| 917 update_type=update_type, | |
| 918 html=html) | |
| 919 | |
|
923
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920 def renderPage(self, request, skip_parse_url=False): |
|
937
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921 """Main method to handle the workflow of a LiberviaPage""" |
|
994
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|
922 |
|
923
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|
923 # template_data are the variables passed to template |
| 917 | 924 if not hasattr(request, 'template_data'): |
|
957
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|
925 session_data = self.host.getSessionData(request, session_iface.ISATSession) |
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|
926 csrf_token = session_data.csrf_token |
|
994
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|
927 request.template_data = {u'profile': session_data.profile, |
|
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|
928 u'csrf_token': csrf_token} |
|
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|
929 |
|
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|
930 # XXX: here is the code which need to be executed once |
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|
931 # at the beginning of the request hanling |
| 917 | 932 if request.postpath and not request.postpath[-1]: |
| 933 # we don't differenciate URLs finishing with '/' or not | |
| 934 del request.postpath[-1] | |
|
922
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|
935 |
| 917 | 936 d = defer.Deferred() |
|
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|
937 d.addCallback(self._checkAccess, request) |
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|
938 |
|
923
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939 if self.redirect is not None: |
|
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940 self.pageRedirect(self.redirect, request, skip_parse_url=False) |
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941 |
|
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|
942 if self.parse_url is not None and not skip_parse_url: |
| 917 | 943 d.addCallback(self.parse_url, request) |
| 944 | |
| 945 d.addCallback(self._subpagesHandler, request) | |
| 946 | |
|
931
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947 if request.method not in (C.HTTP_METHOD_GET, C.HTTP_METHOD_POST): |
|
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|
948 # only HTTP GET and POST are handled so far |
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949 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST)) |
|
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950 |
|
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951 if request.method == C.HTTP_METHOD_POST: |
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952 if self.on_data_post is None: |
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953 # if we don't have on_data_post, the page was not expecting POST |
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954 # so we return an error |
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955 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST)) |
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956 else: |
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|
957 d.addCallback(self._on_data_post, request) |
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958 # by default, POST follow normal behaviour after on_data_post is called |
|
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959 # this can be changed by a redirection or other method call in on_data_post |
|
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|
960 |
|
998
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|
961 if self.dynamic: |
|
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|
962 d.addCallback(self._prepare_dynamic, request) |
|
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|
963 |
| 917 | 964 if self.prepare_render: |
| 965 d.addCallback(self._prepare_render, request) | |
| 966 | |
| 967 if self.template: | |
| 962 | 968 d.addCallback(self._render_template, request) |
| 917 | 969 elif self.render_method: |
| 970 d.addCallback(self._render_method, request) | |
| 971 | |
| 972 d.addCallback(self.writeData, request) | |
| 973 d.addErrback(self._renderEb, request) | |
|
937
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|
974 d.addErrback(self._internalError, request) |
| 917 | 975 d.callback(self) |
| 976 return server.NOT_DONE_YET | |
| 977 | |
|
923
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978 def render_GET(self, request): |
|
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979 return self.renderPage(request) |
|
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980 |
|
931
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|
981 def render_POST(self, request): |
|
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982 return self.renderPage(request) |