Mercurial > libervia-web
annotate src/server/pages.py @ 1111:4d1c4bd4931a
pages (events): added root, admin, new, rsvp and view pages
author | Goffi <goffi@goffi.org> |
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date | Thu, 21 Jun 2018 01:19:57 +0200 |
parents | 045e8bdaed4f |
children | cdd389ef97bc |
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 |
1054 | 5 # Copyright (C) 2011-2018 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.tools.common import date_utils |
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30 from sat.core.log import getLogger |
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31 log = getLogger(__name__) |
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32 from libervia.server.constants import Const as C |
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33 from libervia.server import session_iface |
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34 from libervia.server.utils import quote, SubPage |
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35 import libervia |
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36 |
995 | 37 from collections import namedtuple |
38 import uuid | |
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39 import os.path |
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40 import urllib |
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41 import time |
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42 import hashlib |
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43 |
995 | 44 WebsocketMeta = namedtuple("WebsocketMeta", ('url', 'token', 'debug')) |
45 | |
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46 |
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47 |
1018 | 48 class CacheBase(object): |
49 | |
50 def __init__(self): | |
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51 self._created = time.time() |
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52 self._last_access = self._created |
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53 |
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54 @property |
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55 def created(self): |
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56 return self._created |
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57 |
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58 @property |
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59 def last_access(self): |
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60 return self._last_access |
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61 |
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62 @last_access.setter |
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63 def last_access(self, timestamp): |
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64 self._last_access = timestamp |
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65 |
1018 | 66 |
67 class CachePage(CacheBase): | |
68 | |
69 def __init__(self, rendered): | |
70 super(CachePage, self).__init__() | |
71 self._created = time.time() | |
72 self._last_access = self._created | |
73 self._rendered = rendered | |
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74 self._hash = hashlib.sha256(rendered).hexdigest() |
1018 | 75 |
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76 @property |
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77 def rendered(self): |
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78 return self._rendered |
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79 |
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80 @property |
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81 def hash(self): |
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82 return self._hash |
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83 |
1018 | 84 |
85 class CacheURL(CacheBase): | |
86 | |
87 def __init__(self, request): | |
88 super(CacheURL, self).__init__() | |
89 try: | |
90 self._data = request.data.copy() | |
91 except AttributeError: | |
92 self._data = {} | |
93 self._template_data = request.template_data.copy() | |
94 self._prepath = request.prepath[:] | |
95 self._postpath = request.postpath[:] | |
96 del self._template_data['csrf_token'] | |
97 | |
98 def use(self, request): | |
99 self.last_access = time.time() | |
100 request.data = self._data.copy() | |
101 request.template_data.update(self._template_data) | |
102 request.prepath = self._prepath[:] | |
103 request.postpath = self._postpath[:] | |
104 | |
105 | |
917 | 106 class LiberviaPage(web_resource.Resource): |
107 isLeaf = True # we handle subpages ourself | |
108 named_pages = {} | |
925 | 109 uri_callbacks = {} |
995 | 110 signals_handlers = {} |
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111 pages_redirects = {} |
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112 cache = {} |
1018 | 113 cached_urls = {} |
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114 # Set of tuples (service/node/sub_id) of nodes subscribed for caching |
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115 # sub_id can be empty string if not handled by service |
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116 cache_pubsub_sub = set() |
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117 main_menu = None |
917 | 118 |
995 | 119 def __init__(self, host, root_dir, url, name=None, redirect=None, access=None, dynamic=False, parse_url=None, |
120 prepare_render=None, render=None, template=None, | |
1018 | 121 on_data_post=None, on_data=None, on_signal=None, |
122 url_cache=False): | |
917 | 123 """initiate LiberviaPages |
124 | |
125 LiberviaPages are the main resources of Libervia, using easy to set python files | |
126 The arguments are the variables found in page_meta.py | |
127 @param host(Libervia): the running instance of Libervia | |
962 | 128 @param root_dir(unicode): aboslute file path of the page |
129 @param url(unicode): relative URL to the page | |
130 this URL may not be valid, as pages may require path arguments | |
917 | 131 @param name(unicode, None): if not None, a unique name to identify the page |
132 can then be used for e.g. redirection | |
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133 "/" is not allowed in names (as it can be used to construct URL paths) |
962 | 134 @param redirect(unicode, None): if not None, this page will be redirected. A redirected |
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135 parameter is used as in self.pageRedirect. parse_url will not be skipped |
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136 using this redirect parameter is called "full redirection" |
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137 using self.pageRedirect is called "partial redirection" (because some rendering method |
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138 can still be used, e.g. parse_url) |
917 | 139 @param access(unicode, None): permission needed to access the page |
140 None means public access. | |
141 Pages inherit from parent pages: e.g. if a "settings" page is restricted to admins, | |
142 and if "settings/blog" is public, it still can only be accessed by admins. | |
143 see C.PAGES_ACCESS_* for details | |
995 | 144 @param dynamic(bool): if True, activate websocket for bidirectional communication |
917 | 145 @param parse_url(callable, None): if set it will be called to handle the URL path |
146 after this method, the page will be rendered if noting is left in path (request.postpath) | |
147 else a the request will be transmitted to a subpage | |
148 @param prepare_render(callable, None): if set, will be used to prepare the rendering | |
149 that often means gathering data using the bridge | |
150 @param render(callable, None): if not template is set, this method will be called and | |
151 what it returns will be rendered. | |
152 This method is mutually exclusive with template and must return a unicode string. | |
153 @param template(unicode, None): path to the template to render. | |
154 This method is mutually exclusive with render | |
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155 @param on_data_post(callable, None): method to call when data is posted |
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156 None if not post is handled |
962 | 157 on_data_post can return a string with following value: |
158 - C.POST_NO_CONFIRM: confirm flag will not be set | |
995 | 159 @param on_data(callable, None): method to call when dynamic data is sent |
160 this method is used with Libervia's websocket mechanism | |
161 @param on_signal(callable, None): method to call when a registered signal is received | |
162 this method is used with Libervia's websocket mechanism | |
917 | 163 """ |
164 | |
165 web_resource.Resource.__init__(self) | |
166 self.host = host | |
167 self.root_dir = root_dir | |
962 | 168 self.url = url |
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169 self.name = name |
917 | 170 if name is not None: |
171 if name in self.named_pages: | |
172 raise exceptions.ConflictError(_(u'a Libervia page named "{}" already exists'.format(name))) | |
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173 if u'/' in name: |
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174 raise ValueError(_(u'"/" is not allowed in page names')) |
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175 if not name: |
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176 raise ValueError(_(u"a page name can't be empty")) |
917 | 177 self.named_pages[name] = self |
178 if access is None: | |
179 access = C.PAGES_ACCESS_PUBLIC | |
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180 if access not in (C.PAGES_ACCESS_PUBLIC, C.PAGES_ACCESS_PROFILE, C.PAGES_ACCESS_NONE): |
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181 raise NotImplementedError(_(u"{} access is not implemented yet").format(access)) |
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182 self.access = access |
995 | 183 self.dynamic = dynamic |
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184 if redirect is not None: |
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185 # only page access and name make sense in case of full redirection |
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186 # so we check that rendering methods/values are not set |
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187 if not all(lambda x: x is not None |
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188 for x in (parse_url, prepare_render, render, template)): |
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189 raise ValueError(_(u"you can't use full page redirection with other rendering method," |
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190 u"check self.pageRedirect if you need to use them")) |
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191 self.redirect = redirect |
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192 else: |
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193 self.redirect = None |
917 | 194 self.parse_url = parse_url |
195 self.prepare_render = prepare_render | |
196 self.template = template | |
197 self.render_method = render | |
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198 self.on_data_post = on_data_post |
995 | 199 self.on_data = on_data |
200 self.on_signal = on_signal | |
1018 | 201 self.url_cache = url_cache |
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202 if access == C.PAGES_ACCESS_NONE: |
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203 # none pages just return a 404, no further check is needed |
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204 return |
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205 if template is not None and render is not None: |
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206 log.error(_(u"render and template methods can't be used at the same time")) |
917 | 207 if parse_url is not None and not callable(parse_url): |
208 log.error(_(u"parse_url must be a callable")) | |
209 | |
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210 # if not None, next rendering will be cached |
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211 # it must then contain a list of the the keys to use (without the page instance) |
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212 # e.g. [C.SERVICE_PROFILE, "pubsub", server@example.tld, pubsub_node] |
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213 self._do_cache = None |
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214 |
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215 def __unicode__(self): |
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216 return u'LiberviaPage {name} at {url}'.format( |
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217 name = self.name or u'<anonymous>', |
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218 url = self.url) |
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219 |
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220 def __str__(self): |
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221 return self.__unicode__().encode('utf-8') |
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222 |
925 | 223 @classmethod |
224 def importPages(cls, host, parent=None, path=None): | |
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225 """Recursively import Libervia pages""" |
917 | 226 if path is None: |
227 path = [] | |
228 if parent is None: | |
229 root_dir = os.path.join(os.path.dirname(libervia.__file__), C.PAGES_DIR) | |
230 parent = host | |
231 else: | |
232 root_dir = parent.root_dir | |
233 for d in os.listdir(root_dir): | |
234 dir_path = os.path.join(root_dir, d) | |
235 if not os.path.isdir(dir_path): | |
236 continue | |
237 meta_path = os.path.join(dir_path, C.PAGES_META_FILE) | |
238 if os.path.isfile(meta_path): | |
239 page_data = {} | |
962 | 240 new_path = path + [d] |
917 | 241 # we don't want to force the presence of __init__.py |
242 # so we use execfile instead of import. | |
243 # TODO: when moved to Python 3, __init__.py is not mandatory anymore | |
244 # so we can switch to import | |
245 execfile(meta_path, page_data) | |
246 resource = LiberviaPage( | |
247 host, | |
248 dir_path, | |
962 | 249 u'/' + u'/'.join(new_path), |
917 | 250 name=page_data.get('name'), |
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251 redirect=page_data.get('redirect'), |
917 | 252 access=page_data.get('access'), |
995 | 253 dynamic=page_data.get('dynamic', False), |
917 | 254 parse_url=page_data.get('parse_url'), |
255 prepare_render=page_data.get('prepare_render'), | |
256 render=page_data.get('render'), | |
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257 template=page_data.get('template'), |
995 | 258 on_data_post=page_data.get('on_data_post'), |
259 on_data=page_data.get('on_data'), | |
260 on_signal=page_data.get('on_signal'), | |
1018 | 261 url_cache=page_data.get('url_cache', False), |
995 | 262 ) |
917 | 263 parent.putChild(d, resource) |
264 log.info(u"Added /{path} page".format(path=u'[...]/'.join(new_path))) | |
925 | 265 if 'uri_handlers' in page_data: |
266 if not isinstance(page_data, dict): | |
267 log.error(_(u'uri_handlers must be a dict')) | |
268 else: | |
269 for uri_tuple, cb_name in page_data['uri_handlers'].iteritems(): | |
270 if len(uri_tuple) != 2 or not isinstance(cb_name, basestring): | |
271 log.error(_(u"invalid uri_tuple")) | |
272 continue | |
273 log.info(_(u'setting {}/{} URIs handler').format(*uri_tuple)) | |
274 try: | |
275 cb = page_data[cb_name] | |
276 except KeyError: | |
277 log.error(_(u'missing {name} method to handle {1}/{2}').format( | |
278 name = cb_name, *uri_tuple)) | |
279 continue | |
280 else: | |
1038 | 281 resource.registerURI(uri_tuple, cb) |
925 | 282 |
917 | 283 LiberviaPage.importPages(host, resource, new_path) |
284 | |
925 | 285 @classmethod |
990
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286 def setMenu(cls, menus): |
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287 main_menu = [] |
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288 for menu in menus: |
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289 if not menu: |
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290 msg = _(u"menu item can't be empty") |
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291 log.error(msg) |
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292 raise ValueError(msg) |
990
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293 elif isinstance(menu, list): |
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294 if len(menu) != 2: |
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295 msg = _(u"menu item as list must be in the form [page_name, absolue URL]") |
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296 log.error(msg) |
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297 raise ValueError(msg) |
990
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298 page_name, url = menu |
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299 else: |
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300 page_name = menu |
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301 try: |
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302 url = cls.getPageByName(page_name).url |
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303 except KeyError as e: |
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304 log.error(_(u"Can'find a named page ({msg}), please check menu_json in configuration.").format(msg=e)) |
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305 raise e |
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306 main_menu.append((page_name, url)) |
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307 cls.main_menu = main_menu |
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308 |
1038 | 309 def registerURI(self, uri_tuple, get_uri_cb): |
925 | 310 """register a URI handler |
311 | |
312 @param uri_tuple(tuple[unicode, unicode]): type or URIs handler | |
313 type/subtype as returned by tools/common/parseXMPPUri | |
1038 | 314 or type/None to handle all subtypes |
925 | 315 @param get_uri_cb(callable): method which take uri_data dict as only argument |
1038 | 316 and return absolute path with correct arguments or None if the page |
317 can't handle this URL | |
925 | 318 """ |
1038 | 319 if uri_tuple in self.uri_callbacks: |
925 | 320 log.info(_(u"{}/{} URIs are already handled, replacing by the new handler").format(*uri_tuple)) |
1038 | 321 self.uri_callbacks[uri_tuple] = (self, get_uri_cb) |
925 | 322 |
995 | 323 def registerSignal(self, request, signal, check_profile=True): |
324 r"""register a signal handler | |
325 | |
326 the page must be dynamic | |
327 when signal is received, self.on_signal will be called with: | |
328 - request | |
329 - signal name | |
330 - signal arguments | |
331 signal handler will be removed when connection with dynamic page will be lost | |
332 @param signal(unicode): name of the signal | |
333 last arg of signal must be profile, as it will be checked to filter signals | |
334 @param check_profile(bool): if True, signal profile (which MUST be last arg) will be | |
335 checked against session profile. | |
336 /!\ if False, profile will not be checked/filtered, be sure to know what you are doing | |
337 if you unset this option /!\ | |
338 """ | |
339 # FIXME: add a timeout, if socket is not opened before it, signal handler must be removed | |
340 if not self.dynamic: | |
341 log.error(_(u"You can't register signal if page is not dynamic")) | |
342 return | |
343 LiberviaPage.signals_handlers.setdefault(signal, {})[id(request)] = (self, request, check_profile) | |
344 request._signals_registered.append(signal) | |
345 | |
1038 | 346 @classmethod |
347 def getPagePathFromURI(cls, uri): | |
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348 """Retrieve page URL from xmpp: URI |
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349 |
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350 @param uri(unicode): URI with a xmpp: scheme |
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351 @return (unicode,None): absolute path (starting from root "/") to page handling the URI |
1038 | 352 None is returned if no page has been registered for this URI |
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353 """ |
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354 uri_data = common_uri.parseXMPPUri(uri) |
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355 try: |
1038 | 356 page, cb = cls.uri_callbacks[uri_data['type'], uri_data['sub_type']] |
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357 except KeyError: |
1038 | 358 url = None |
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359 else: |
1038 | 360 url = cb(page, uri_data) |
361 if url is None: | |
362 # no handler found | |
363 # we try to find a more generic one | |
364 try: | |
365 page, cb = cls.uri_callbacks[uri_data['type'], None] | |
366 except KeyError: | |
367 pass | |
368 else: | |
369 url = cb(page, uri_data) | |
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370 return url |
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371 |
979 | 372 @classmethod |
373 def getPageByName(cls, name): | |
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374 """retrieve page instance from its name |
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375 |
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376 @param name(unicode): name of the page |
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377 @return (LiberviaPage): page instance |
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378 @raise KeyError: the page doesn't exist |
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379 """ |
979 | 380 return cls.named_pages[name] |
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381 |
962 | 382 def getPageRedirectURL(self, request, page_name=u'login', url=None): |
383 """generate URL for a page with redirect_url parameter set | |
384 | |
385 mainly used for login page with redirection to current page | |
386 @param request(server.Request): current HTTP request | |
387 @param page_name(unicode): name of the page to go | |
388 @param url(None, unicode): url to redirect to | |
389 None to use request path (i.e. current page) | |
390 @return (unicode): URL to use | |
391 """ | |
392 return u'{root_url}?redirect_url={redirect_url}'.format( | |
393 root_url = self.getPageByName(page_name).url, | |
394 redirect_url=urllib.quote_plus(request.uri) if url is None else url.encode('utf-8')) | |
395 | |
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396 def getURL(self, *args): |
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397 """retrieve URL of the page set arguments |
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398 |
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399 *args(list[unicode]): argument to add to the URL as path elements |
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400 empty or None arguments will be ignored |
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401 """ |
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402 url_args = [quote(a) for a in args if a] |
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403 |
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404 if self.name is not None and self.name in self.pages_redirects: |
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405 # we check for redirection |
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406 redirect_data = self.pages_redirects[self.name] |
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407 args_hash = tuple(args) |
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408 for limit in xrange(len(args)+1): |
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409 current_hash = args_hash[:limit] |
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410 if current_hash in redirect_data: |
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411 url_base = redirect_data[current_hash] |
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412 remaining = args[limit:] |
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413 remaining_url = '/'.join(remaining) |
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414 return os.path.join('/', url_base, remaining_url) |
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415 |
972
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416 return os.path.join(self.url, *url_args) |
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417 |
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418 def getCurrentURL(self, request): |
1015 | 419 """retrieve URL used to access this page |
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420 |
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421 @return(unicode): current URL |
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422 """ |
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423 # we get url in the following way (splitting request.path instead of using |
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424 # request.prepath) because request.prepath may have been modified by |
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425 # redirection (if redirection args have been specified), while path reflect |
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426 # the real request |
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427 |
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428 # we ignore empty path elements (i.e. double '/' or '/' at the end) |
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429 path_elts = [p for p in request.path.split('/') if p] |
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430 |
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431 if request.postpath: |
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432 if not request.postpath[-1]: |
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433 # we remove trailing slash |
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434 request.postpath = request.postpath[:-1] |
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435 if request.postpath: |
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436 # getSubPageURL must return subpage from the point where |
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437 # the it is called, so we have to remove remanining |
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438 # path elements |
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439 path_elts = path_elts[:-len(request.postpath)] |
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440 |
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441 return u'/' + '/'.join(path_elts).decode('utf-8') |
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442 |
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443 def getParamURL(self, request, **kwargs): |
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444 """use URL of current request but modify the parameters in query part |
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445 |
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446 **kwargs(dict[str, unicode]): argument to use as query parameters |
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447 @return (unicode): constructed URL |
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448 """ |
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449 current_url = self.getCurrentURL(request) |
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450 if kwargs: |
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451 encoded = urllib.urlencode({k:v.encode('utf-8') for k,v in kwargs.iteritems()}).decode('utf-8') |
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452 current_url = current_url + u'?' + encoded |
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453 return current_url |
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454 |
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455 def getSubPageByName(self, subpage_name, parent=None): |
1030
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456 """retrieve a subpage and its path using its name |
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457 |
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458 @param subpage_name(unicode): name of the sub page |
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459 it must be a direct children of parent page |
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460 @param parent(LiberviaPage, None): parent page |
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461 None to use current page |
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462 @return (tuple[str, LiberviaPage]): page subpath and instance |
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463 @raise exceptions.NotFound: no page has been found |
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464 """ |
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465 if parent is None: |
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|
466 parent = self |
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|
467 for path, child in parent.children.iteritems(): |
1030
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468 try: |
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|
469 child_name = child.name |
66a050b32df8
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470 except AttributeError: |
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471 # LiberviaPages have a name, but maybe this is an other Resource |
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
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|
472 continue |
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473 if child_name == subpage_name: |
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474 return path, child |
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475 raise exceptions.NotFound(_(u'requested sub page has not been found')) |
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|
476 |
980
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|
477 def getSubPageURL(self, request, page_name, *args): |
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478 """retrieve a page in direct children and build its URL according to request |
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|
479 |
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core (pages redirection): inverted redirection + getSubPageURL:
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|
480 request's current path is used as base (at current parsing point, |
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481 i.e. it's more prepath than path). |
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482 Requested page is checked in children and an absolute URL is then built |
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483 by the resulting combination. |
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484 This method is useful to construct absolute URLs for children instead of |
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|
485 using relative path, which may not work in subpages, and are linked to the |
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486 names of directories (i.e. relative URL will break if subdirectory is renamed |
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487 while getSubPageURL won't as long as page_name is consistent). |
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488 Also, request.path is used, keeping real path used by user, |
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489 and potential redirections. |
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490 @param request(server.Request): current HTTP request |
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491 @param page_name(unicode): name of the page to retrieve |
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492 it must be a direct children of current page |
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493 @param *args(list[unicode]): arguments to add as path elements |
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494 if an arg is None, it will be ignored |
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495 @return (unicode): absolute URL to the sub page |
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496 """ |
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497 current_url = self.getCurrentURL(request) |
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498 path, child = self.getSubPageByName(page_name) |
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499 return os.path.join(u'/', current_url, path, *[quote(a) for a in args if a is not None]) |
980
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500 |
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501 def getURLByNames(self, named_path): |
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502 """retrieve URL from pages names and arguments |
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503 |
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504 @param named_path(list[tuple[unicode, list[unicode]]]): path to the page as a list |
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|
505 of tuples of 2 items: |
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506 - first item is page name |
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507 - second item is list of path arguments of this page |
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508 @return (unicode): URL to the requested page with given path arguments |
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509 @raise exceptions.NotFound: one of the page was not found |
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510 """ |
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511 current_page = None |
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512 path = [] |
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513 for page_name, page_args in named_path: |
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514 if current_page is None: |
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515 current_page = self.getPageByName(page_name) |
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516 path.append(current_page.getURL(*page_args)) |
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517 else: |
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changeset
|
518 sub_path, current_page = self.getSubPageByName(page_name, parent=current_page) |
1031
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
519 path.append(sub_path) |
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
520 if page_args: |
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
521 path.extend([quote(a) for a in page_args]) |
1041
688b52897ba0
pages: check redirections on getURLByNames
Goffi <goffi@goffi.org>
parents:
1038
diff
changeset
|
522 return self.host.checkRedirection(u'/'.join(path)) |
980
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
523 |
1092
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
524 def getURLByPath(self, *args): |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
525 """generate URL by path |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
526 |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
527 this method as a similar effect as getURLByNames, but it is more readable |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
528 by using SubPage to get pages instead of using tuples |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
529 @param *args: path element: |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
530 - if unicode, will be used as argument |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
531 - if util.SubPage instance, must be the name of a subpage |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
532 @return (unicode): generated path |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
533 """ |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
534 args = list(args) |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
535 if not args: |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
536 raise ValueError('You must specify path elements') |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
537 # root page is the one needed to construct the base of the URL |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
538 # if first arg is not a SubPage instance, we use current page |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
539 if not isinstance(args[0], SubPage): |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
540 root = self |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
541 else: |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
542 root = self.getPageByName(args.pop(0)) |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
543 # we keep track of current page to check subpage |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
544 current_page = root |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
545 url_elts = [] |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
546 arguments = [] |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
547 while True: |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
548 while args and not isinstance(args[0], SubPage): |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
549 arguments.append(quote(args.pop(0))) |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
550 if not url_elts: |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
551 url_elts.append(root.getURL(*arguments)) |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
552 else: |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
553 url_elts.extend(arguments) |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
554 if not args: |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
555 break |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
556 else: |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
557 path, current_page = current_page.getSubPageByName(args.pop(0)) |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
558 arguments = [path] |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
559 return self.host.checkRedirection(u'/'.join(url_elts)) |
63ed5f6bd4eb
pages: new "getURLByPath" method in LiberviaPage, which is similar to getURLByNames, but which a more readable way to request a path with named pages.
Goffi <goffi@goffi.org>
parents:
1071
diff
changeset
|
560 |
917 | 561 def getChildWithDefault(self, path, request): |
562 # we handle children ourselves | |
563 raise exceptions.InternalError(u"this method should not be used with LiberviaPage") | |
564 | |
565 def nextPath(self, request): | |
566 """get next URL path segment, and update request accordingly | |
567 | |
568 will move first segment of postpath in prepath | |
569 @param request(server.Request): current HTTP request | |
570 @return (unicode): unquoted segment | |
571 @raise IndexError: there is no segment left | |
572 """ | |
573 pathElement = request.postpath.pop(0) | |
574 request.prepath.append(pathElement) | |
575 return urllib.unquote(pathElement).decode('utf-8') | |
576 | |
1060
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
577 def _filterPathValue(self, value, handler, name, request): |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
578 """Modify a path value according to handler (see [getPathArgs])""" |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
579 if handler in (u'@', u'@jid') and value == u'@': |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
580 value = None |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
581 |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
582 if handler in (u'', u'@'): |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
583 if value is None: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
584 return u'' |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
585 elif handler in (u'jid', u'@jid'): |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
586 if value: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
587 try: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
588 return jid.JID(value) |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
589 except RuntimeError: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
590 log.warning(_(u'invalid jid argument: {value}').format(value=value)) |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
591 self.pageError(request, C.HTTP_BAD_REQUEST) |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
592 else: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
593 return u'' |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
594 else: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
595 return handler(self, value, name, request) |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
596 |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
597 return value |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
598 |
1056
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
599 def getPathArgs(self, request, names, min_args=0, **kwargs): |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
600 """get several path arguments at once |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
601 |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
602 Arguments will be put in request data. |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
603 Missing arguments will have None value |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
604 @param names(list[unicode]): list of arguments to get |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
605 @param min_args(int): if less than min_args are found, PageError is used with C.HTTP_BAD_REQUEST |
1065
5f97118dc82a
pages: fixed min_args for getPathArgs
Goffi <goffi@goffi.org>
parents:
1062
diff
changeset
|
606 use 0 to ignore |
1056
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
607 @param **kwargs: special value or optional callback to use for arguments |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
608 names of the arguments must correspond to those in names |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
609 special values may be: |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
610 - '': use empty string instead of None when no value is specified |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
611 - '@': if value of argument is empty or '@', empty string will be used |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
612 - 'jid': value must be converted to jid.JID if it exists, else empty string is used |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
613 - '@jid': if value of arguments is empty or '@', empty string will be used, else it will be converted to jid |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
614 """ |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
615 data = self.getRData(request) |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
616 |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
617 for idx, name in enumerate(names): |
1060
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
618 if name[0] == u'*': |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
619 value = data[name[1:]] = [] |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
620 while True: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
621 try: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
622 value.append(self.nextPath(request)) |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
623 except IndexError: |
1065
5f97118dc82a
pages: fixed min_args for getPathArgs
Goffi <goffi@goffi.org>
parents:
1062
diff
changeset
|
624 idx-=1 |
1060
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
625 break |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
626 else: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
627 idx+=1 |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
628 else: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
629 try: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
630 value = data[name] = self.nextPath(request) |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
631 except IndexError: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
632 data[name] = None |
1071
8f77e36cd51d
pages: fixed args count in getPathArgs
Goffi <goffi@goffi.org>
parents:
1065
diff
changeset
|
633 idx-=1 |
1060
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
634 break |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
635 |
1071
8f77e36cd51d
pages: fixed args count in getPathArgs
Goffi <goffi@goffi.org>
parents:
1065
diff
changeset
|
636 values_count = idx+1 |
8f77e36cd51d
pages: fixed args count in getPathArgs
Goffi <goffi@goffi.org>
parents:
1065
diff
changeset
|
637 if values_count < min_args: |
8f77e36cd51d
pages: fixed args count in getPathArgs
Goffi <goffi@goffi.org>
parents:
1065
diff
changeset
|
638 log.warning(_(u"Missing arguments in URL (got {count}, expected at least {min_args})").format( |
8f77e36cd51d
pages: fixed args count in getPathArgs
Goffi <goffi@goffi.org>
parents:
1065
diff
changeset
|
639 count = values_count, min_args = min_args)) |
1060
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
640 self.pageError(request, C.HTTP_BAD_REQUEST) |
1056
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
641 |
1071
8f77e36cd51d
pages: fixed args count in getPathArgs
Goffi <goffi@goffi.org>
parents:
1065
diff
changeset
|
642 for name in names[values_count:]: |
1056
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
643 data[name] = None |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
644 |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
645 for name, handler in kwargs.iteritems(): |
1060
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
646 if name[0] == '*': |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
647 data[name] = [self._filterPathValue(v, handler, name, request) for v in data[name]] |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
648 else: |
f0f7b3324749
pages: '*' can now be used to prefix the last arg name in getPathArgs, in which case the data will be a list of remaining path arguments.
Goffi <goffi@goffi.org>
parents:
1059
diff
changeset
|
649 data[name] = self._filterPathValue(data[name], handler, name, request) |
1056
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
650 |
47c354ca66a3
pages: new getPathArgs helper method to retrieve several path arguments at once
Goffi <goffi@goffi.org>
parents:
1054
diff
changeset
|
651 |
1019
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
652 ## Cache handling ## |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
653 |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
654 def _setCacheHeaders(self, request, cache): |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
655 """Set ETag and Last-Modified HTTP headers, used for caching""" |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
656 request.setHeader('ETag', cache.hash) |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
657 last_modified = self.host.getHTTPDate(cache.created) |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
658 request.setHeader('Last-Modified', last_modified) |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
659 |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
660 def _checkCacheHeaders(self, request, cache): |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
661 """Check if a cache condition is set on the request |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
662 |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
663 if condition is valid, C.HTTP_NOT_MODIFIED is returned |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
664 """ |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
665 etag_match = request.getHeader('If-None-Match') |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
666 if etag_match is not None: |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
667 if cache.hash == etag_match: |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
668 self.pageError(request, C.HTTP_NOT_MODIFIED, no_body=True) |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
669 else: |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
670 modified_match = request.getHeader('If-Modified-Since') |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
671 if modified_match is not None: |
1109
3a7b2b239d3e
pages: change module for date_parse, following backend change
Goffi <goffi@goffi.org>
parents:
1092
diff
changeset
|
672 modified = date_utils.date_parse(modified_match) |
1019
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
673 if modified >= int(cache.created): |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
674 self.pageError(request, C.HTTP_NOT_MODIFIED, no_body=True) |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
675 |
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
676 def checkCacheSubscribeCb(self, sub_id, service, node): |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
677 self.cache_pubsub_sub.add((service, node, sub_id)) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
678 |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
679 def checkCacheSubscribeEb(self, failure_, service, node): |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
680 log.warning(_(u"Can't subscribe to node: {msg}").format(msg=failure_)) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
681 # FIXME: cache must be marked as unusable here |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
682 |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
683 def psNodeWatchAddEb(self, failure_, service, node): |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
684 log.warning(_(u"Can't add node watched: {msg}").format(msg=failure_)) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
685 |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
686 def checkCache(self, request, cache_type, **kwargs): |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
687 """check if a page is in cache and return cached version if suitable |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
688 |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
689 this method may perform extra operation to handle cache (e.g. subscribing to a |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
690 pubsub node) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
691 @param request(server.Request): current HTTP request |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
692 @param cache_type(int): on of C.CACHE_* const. |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
693 @param **kwargs: args according to cache_type: |
1010
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents:
1009
diff
changeset
|
694 C.CACHE_PUBSUB: |
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
695 service: pubsub service |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
696 node: pubsub node |
1019
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
697 short: short name of feature (needed if node is empty to find namespace) |
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
698 |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
699 """ |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
700 if request.postpath: |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
701 # we are not on the final page, no need to go further |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
702 return |
1033
c34f08e05cdf
pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents:
1032
diff
changeset
|
703 |
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
704 profile = self.getProfile(request) or C.SERVICE_PROFILE |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
705 |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
706 if cache_type == C.CACHE_PUBSUB: |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
707 service, node = kwargs['service'], kwargs['node'] |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
708 if not node: |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
709 try: |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
710 short = kwargs['short'] |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
711 node = self.host.ns_map[short] |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
712 except KeyError: |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
713 log.warning(_(u"Can't use cache for empty node without namespace set, please ensure to set \"short\" and that it is registered")) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
714 return |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
715 if profile != C.SERVICE_PROFILE: |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
716 # only service profile is cache for now |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
717 return |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
718 try: |
1052
cdf0ebed9db7
pages (caches): use request.uri to check cache, to avoid using same cache with pages using different parameters (e.g. different MAM filter for pubsub)
Goffi <goffi@goffi.org>
parents:
1049
diff
changeset
|
719 cache = self.cache[profile][cache_type][service][node][request.uri][self] |
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
720 except KeyError: |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
721 # no cache yet, let's subscribe to the pubsub node |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
722 d1 = self.host.bridgeCall('psSubscribe', service.full(), node, {}, profile) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
723 d1.addCallback(self.checkCacheSubscribeCb, service, node) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
724 d1.addErrback(self.checkCacheSubscribeEb, service, node) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
725 d2 = self.host.bridgeCall('psNodeWatchAdd', service.full(), node, profile) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
726 d2.addErrback(self.psNodeWatchAddEb, service, node) |
1052
cdf0ebed9db7
pages (caches): use request.uri to check cache, to avoid using same cache with pages using different parameters (e.g. different MAM filter for pubsub)
Goffi <goffi@goffi.org>
parents:
1049
diff
changeset
|
727 self._do_cache = [self, profile, cache_type, service, node, request.uri] |
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
728 # we don't return the Deferreds as it is not needed to wait for |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
729 # the subscription to continue with page rendering |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
730 return |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
731 |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
732 else: |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
733 raise exceptions.InternalError(u'Unknown cache_type') |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
734 log.debug(u'using cache for {page}'.format(page=self)) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
735 cache.last_access = time.time() |
1019
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
736 self._setCacheHeaders(request, cache) |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
737 self._checkCacheHeaders(request, cache) |
985
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|
738 request.write(cache.rendered) |
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|
739 request.finish() |
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|
740 raise failure.Failure(exceptions.CancelError(u'cache is used')) |
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diff
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|
741 |
1018 | 742 def _cacheURL(self, dummy, request, profile): |
743 self.cached_urls.setdefault(profile, {})[request.uri] = CacheURL(request) | |
744 | |
985
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pages: cache mechanism, first draft:
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diff
changeset
|
745 @classmethod |
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diff
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|
746 def onNodeEvent(cls, host, service, node, event_type, items, profile): |
64826e69f365
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diff
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|
747 """Invalidate cache for all pages linked to this node""" |
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diff
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|
748 try: |
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diff
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|
749 cache = cls.cache[profile][C.CACHE_PUBSUB][jid.JID(service)][node] |
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diff
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|
750 except KeyError: |
64826e69f365
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diff
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|
751 log.info(_(u'Removing subscription for {service}/{node}: ' |
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diff
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|
752 u'the page is not cached').format(service=service, node=node)) |
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|
753 d1 = host.bridgeCall('psUnsubscribe', service, node, profile) |
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|
754 d1.addErrback(lambda failure_: |
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|
755 log.warning(_(u"Can't unsubscribe from {service}/{node}: {msg}").format( |
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|
756 service=service, node=node, msg=failure_))) |
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|
757 d2 = host.bridgeCall('psNodeWatchAdd', service, node, profile) |
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|
758 # TODO: check why the page is not in cache, remove subscription? |
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|
759 d2.addErrback(lambda failure_: |
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|
760 log.warning(_(u"Can't remove watch for {service}/{node}: {msg}").format( |
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|
761 service=service, node=node, msg=failure_))) |
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|
762 else: |
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diff
changeset
|
763 cache.clear() |
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|
764 |
995 | 765 @classmethod |
766 def onSignal(cls, host, signal, *args): | |
767 """Generic method which receive registered signals | |
768 | |
769 if a callback is registered for this signal, call it | |
770 @param host: Libervia instance | |
771 @param signal(unicode): name of the signal | |
772 @param *args: args of the signals | |
773 """ | |
774 for page, request, check_profile in cls.signals_handlers.get(signal, {}).itervalues(): | |
775 if check_profile: | |
776 signal_profile = args[-1] | |
777 request_profile = page.getProfile(request) | |
778 if not request_profile: | |
779 # if you want to use signal without session, unset check_profile | |
780 # (be sure to know what you are doing) | |
781 log.error(_(u"no session started, signal can't be checked")) | |
782 continue | |
783 if signal_profile != request_profile: | |
784 # we ignore the signal, it's not for our profile | |
785 continue | |
786 if request._signals_cache is not None: | |
787 # socket is not yet opened, we cache the signal | |
788 request._signals_cache.append((request, signal, args)) | |
789 log.debug(u"signal [{signal}] cached: {args}".format( | |
790 signal = signal, | |
791 args = args)) | |
792 else: | |
793 page.on_signal(page, request, signal, *args) | |
794 | |
795 def onSocketOpen(self, request): | |
796 """Called for dynamic pages when socket has just been opened | |
797 | |
798 we send all cached signals | |
799 """ | |
800 assert request._signals_cache is not None | |
801 cache = request._signals_cache | |
802 request._signals_cache = None | |
803 for request, signal, args in cache: | |
804 self.on_signal(self, request, signal, *args) | |
805 | |
806 def onSocketClose(self, request): | |
807 """Called for dynamic pages when socket has just been closed | |
808 | |
809 we remove signal handler | |
810 """ | |
811 for signal in request._signals_registered: | |
812 try: | |
813 del LiberviaPage.signals_handlers[signal][id(request)] | |
814 except KeyError: | |
815 log.error(_(u"Can't find signal handler for [{signal}], this should not happen").format( | |
816 signal = signal)) | |
817 else: | |
818 log.debug(_(u"Removed signal handler")) | |
819 | |
1062
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820 def delegateToResource(self, request, resource): |
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|
821 """continue workflow with Twisted Resource""" |
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822 buf = resource.render(request) |
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|
823 if buf == server.NOT_DONE_YET: |
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|
824 pass |
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diff
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|
825 else: |
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|
826 request.write(buf) |
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|
827 request.finish() |
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|
828 raise failure.Failure(exceptions.CancelError(u'resource delegation')) |
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|
829 |
962 | 830 def HTTPRedirect(self, request, url): |
831 """redirect to an URL using HTTP redirection | |
832 | |
833 @param request(server.Request): current HTTP request | |
834 @param url(unicode): url to redirect to | |
835 """ | |
836 web_util.redirectTo(url.encode('utf-8'), request) | |
837 request.finish() | |
838 raise failure.Failure(exceptions.CancelError(u'HTTP redirection is used')) | |
839 | |
840 def redirectOrContinue(self, request, redirect_arg=u'redirect_url'): | |
841 """helper method to redirect a page to an url given as arg | |
842 | |
843 if the arg is not present, the page will continue normal workflow | |
844 @param request(server.Request): current HTTP request | |
845 @param redirect_arg(unicode): argument to use to get redirection URL | |
846 @interrupt: redirect the page to requested URL | |
847 @interrupt pageError(C.HTTP_BAD_REQUEST): empty or non local URL is used | |
848 """ | |
849 try: | |
1061
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Goffi <goffi@goffi.org>
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1060
diff
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|
850 url = request.args['redirect_url'][0] |
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Goffi <goffi@goffi.org>
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diff
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|
851 except (KeyError, IndexError): |
962 | 852 pass |
853 else: | |
854 # a redirection is requested | |
855 if not url or url[0] != u'/': | |
856 # we only want local urls | |
857 self.pageError(request, C.HTTP_BAD_REQUEST) | |
858 else: | |
859 self.HTTPRedirect(request, url) | |
860 | |
1032
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|
861 def pageRedirect(self, page_path, request, skip_parse_url=True, path_args=None): |
923
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server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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862 """redirect a page to a named page |
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|
863 |
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|
864 the workflow will continue with the workflow of the named page, |
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|
865 skipping named page's parse_url method if it exist. |
962 | 866 If you want to do a HTTP redirection, use HTTPRedirect |
923
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|
867 @param page_path(unicode): path to page (elements are separated by "/"): |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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|
868 if path starts with a "/": |
edb322c87ea4
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|
869 path is a full path starting from root |
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diff
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|
870 else: |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents:
922
diff
changeset
|
871 - first element is name as registered in name variable |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents:
922
diff
changeset
|
872 - following element are subpages path |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents:
922
diff
changeset
|
873 e.g.: "blog" redirect to page named "blog" |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents:
922
diff
changeset
|
874 "blog/atom.xml" redirect to atom.xml subpage of "blog" |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents:
922
diff
changeset
|
875 "/common/blog/atom.xml" redirect to the page at the fiven full path |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents:
922
diff
changeset
|
876 @param request(server.Request): current HTTP request |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents:
922
diff
changeset
|
877 @param skip_parse_url(bool): if True, parse_url method on redirect page will be skipped |
1032
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|
878 @param path_args(list[unicode], None): path arguments to use in redirected page |
923
edb322c87ea4
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|
879 @raise KeyError: there is no known page with this name |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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922
diff
changeset
|
880 """ |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents:
922
diff
changeset
|
881 # FIXME: render non LiberviaPage resources |
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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|
882 path = page_path.rstrip(u'/').split(u'/') |
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server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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922
diff
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|
883 if not path[0]: |
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diff
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|
884 redirect_page = self.host.root |
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|
885 else: |
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server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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|
886 redirect_page = self.named_pages[path[0]] |
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|
887 |
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changeset
|
888 for subpage in path[1:]: |
962 | 889 if redirect_page is self.host.root: |
890 redirect_page = redirect_page.children[subpage] | |
891 else: | |
892 redirect_page = redirect_page.original.children[subpage] | |
923
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|
893 |
1032
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|
894 if path_args is not None: |
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|
895 args = [quote(a) for a in path_args] |
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896 request.postpath = args + request.postpath |
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|
897 |
1033
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|
898 if self._do_cache: |
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|
899 # if cache is needed, it will be handled by final page |
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900 redirect_page._do_cache = self._do_cache |
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901 self._do_cache = None |
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902 |
1015 | 903 redirect_page.renderPage(request, skip_parse_url=skip_parse_url) |
923
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904 raise failure.Failure(exceptions.CancelError(u'page redirection is used')) |
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905 |
1019
34240d08f682
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diff
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|
906 def pageError(self, request, code=C.HTTP_NOT_FOUND, no_body=False): |
917 | 907 """generate an error page and terminate the request |
908 | |
909 @param request(server.Request): HTTP request | |
910 @param core(int): error code to use | |
1019
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|
911 @param no_body: don't write body if True |
917 | 912 """ |
913 request.setResponseCode(code) | |
1019
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|
914 if no_body: |
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diff
changeset
|
915 request.finish() |
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|
916 else: |
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|
917 template = u'error/' + unicode(code) + '.html' |
917 | 918 |
1019
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919 rendered = self.host.renderer.render( |
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|
920 template, |
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changeset
|
921 root_path = '/templates/', |
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changeset
|
922 error_code = code, |
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diff
changeset
|
923 **request.template_data) |
917 | 924 |
1019
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diff
changeset
|
925 self.writeData(rendered, request) |
917 | 926 raise failure.Failure(exceptions.CancelError(u'error page is used')) |
927 | |
928 def writeData(self, data, request): | |
937
00236973e138
server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
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parents:
936
diff
changeset
|
929 """write data to transport and finish the request""" |
917 | 930 if data is None: |
931 self.pageError(request) | |
985
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932 data_encoded = data.encode('utf-8') |
1019
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diff
changeset
|
933 |
985
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changeset
|
934 if self._do_cache is not None: |
1033
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1032
diff
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|
935 redirected_page = self._do_cache.pop(0) |
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
936 cache = reduce(lambda d, k: d.setdefault(k, {}), self._do_cache, self.cache) |
1033
c34f08e05cdf
pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents:
1032
diff
changeset
|
937 page_cache = cache[redirected_page] = CachePage(data_encoded) |
1019
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
938 self._setCacheHeaders(request, page_cache) |
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
939 log.debug(_(u'{page} put in cache for [{profile}]').format( |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
940 page=self, |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
941 profile=self._do_cache[0])) |
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
942 self._do_cache = None |
1019
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
943 self._checkCacheHeaders(request, page_cache) |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
944 |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
945 request.write(data_encoded) |
34240d08f682
pages: HTTP cache headers handling:
Goffi <goffi@goffi.org>
parents:
1018
diff
changeset
|
946 request.finish() |
917 | 947 |
948 def _subpagesHandler(self, dummy, request): | |
949 """render subpage if suitable | |
950 | |
951 this method checks if there is still an unmanaged part of the path | |
952 and check if it corresponds to a subpage. If so, it render the subpage | |
953 else it render a NoResource. | |
954 If there is no unmanaged part of the segment, current page workflow is pursued | |
955 """ | |
956 if request.postpath: | |
957 subpage = self.nextPath(request) | |
958 try: | |
959 child = self.children[subpage] | |
960 except KeyError: | |
961 self.pageError(request) | |
962 else: | |
963 child.render(request) | |
964 raise failure.Failure(exceptions.CancelError(u'subpage page is used')) | |
965 | |
998
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
966 def _prepare_dynamic(self, dummy, request): |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
967 # we need to activate dynamic page |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
968 # we set data for template, and create/register token |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
969 socket_token = unicode(uuid.uuid4()) |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
970 socket_url = self.host.getWebsocketURL(request) |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
971 socket_debug = C.boolConst(self.host.debug) |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
972 request.template_data['websocket'] = WebsocketMeta(socket_url, socket_token, socket_debug) |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
973 self.host.registerWSToken(socket_token, self, request) |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
974 # 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
|
975 request._signals_registered = [] |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
976 # 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
|
977 request._signals_cache = [] |
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
978 |
917 | 979 def _prepare_render(self, dummy, request): |
926
612e33fd32a8
server (pages): fixed _prepare_render handling
Goffi <goffi@goffi.org>
parents:
925
diff
changeset
|
980 return defer.maybeDeferred(self.prepare_render, self, request) |
917 | 981 |
982 def _render_method(self, dummy, request): | |
983 return defer.maybeDeferred(self.render_method, self, request) | |
984 | |
962 | 985 def _render_template(self, dummy, request): |
986 template_data = request.template_data | |
987 | |
988 # if confirm variable is set in case of successfuly data post | |
989 session_data = self.host.getSessionData(request, session_iface.ISATSession) | |
990 if session_data.popPageFlag(self, C.FLAG_CONFIRM): | |
991 template_data[u'confirm'] = True | |
992 | |
917 | 993 return self.host.renderer.render( |
994 self.template, | |
995 root_path = '/templates/', | |
962 | 996 media_path = '/' + C.MEDIA_DIR, |
995 | 997 cache_path = session_data.cache_dir, |
990
6daa59d44ee2
pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents:
985
diff
changeset
|
998 main_menu = LiberviaPage.main_menu, |
917 | 999 **template_data) |
1000 | |
1001 def _renderEb(self, failure_, request): | |
1002 """don't raise error on CancelError""" | |
1003 failure_.trap(exceptions.CancelError) | |
1004 | |
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
|
1005 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
|
1006 """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
|
1007 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
|
1008 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
|
1009 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
|
1010 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
|
1011 |
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1012 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
|
1013 """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
|
1014 |
968
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
1015 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
|
1016 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
|
1017 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
|
1018 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
|
1019 HTTP status code "See Other" (303) is used as it is the recommanded code in this case. |
962 | 1020 @param ret(None, unicode, iterable): on_data_post return value |
1021 see LiberviaPage.__init__ on_data_post docstring | |
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1022 """ |
962 | 1023 if ret is None: |
1024 ret = () | |
1025 elif isinstance(ret, basestring): | |
1026 ret = (ret,) | |
1027 else: | |
1028 ret = tuple(ret) | |
1029 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
|
1030 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
|
1031 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
|
1032 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
|
1033 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
|
1034 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
|
1035 redirect_page = redirect_page_data[0] |
972
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
1036 redirect_page_args = redirect_page_data[1:] |
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
1037 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
|
1038 else: |
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
1039 redirect_page = redirect_page_data |
972
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
1040 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
|
1041 else: |
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
1042 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
|
1043 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
|
1044 |
962 | 1045 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
|
1046 session_data.setPageFlag(redirect_page, C.FLAG_CONFIRM) |
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1047 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
|
1048 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
|
1049 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
|
1050 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
|
1051 |
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1052 def _on_data_post(self, dummy, request): |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1053 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
|
1054 try: |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1055 given_csrf = self.getPostedData(request, u'csrf_token') |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1056 except KeyError: |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1057 given_csrf = None |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1058 if given_csrf is None or given_csrf != csrf_token: |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1059 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
|
1060 url=request.uri, |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1061 ip=request.getClientIP())) |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1062 self.pageError(request, C.HTTP_UNAUTHORIZED) |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1063 d = defer.maybeDeferred(self.on_data_post, self, request) |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1064 d.addCallback(self._on_data_post_redirect, request) |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1065 return d |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1066 |
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1067 def getPostedData(self, request, keys, multiple=False): |
1010
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents:
1009
diff
changeset
|
1068 """get data from a POST request or from URL's query part and decode it |
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1069 |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1070 @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
|
1071 @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
|
1072 unicode to get one value |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1073 iterable to get more than one |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1074 @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
|
1075 if False, the first value is returned |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1076 @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
|
1077 @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
|
1078 """ |
1061
bacb8f229742
pages: fixed unicode escaping when using a redirecting URL
Goffi <goffi@goffi.org>
parents:
1060
diff
changeset
|
1079 # FIXME: request.args is already unquoting the value, it seems we are doing double unquote |
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1080 if isinstance(keys, basestring): |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1081 keys = [keys] |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1082 get_first = True |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1083 else: |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
1084 get_first = False |
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
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diff
changeset
|
1085 |
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server (pages): post requests are now handled:
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diff
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|
1086 ret = [] |
8a393ae90f8c
server (pages): post requests are now handled:
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927
diff
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|
1087 for key in keys: |
8a393ae90f8c
server (pages): post requests are now handled:
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927
diff
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|
1088 gen = (urllib.unquote(v).decode('utf-8') for v in request.args.get(key,[])) |
8a393ae90f8c
server (pages): post requests are now handled:
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diff
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|
1089 if multiple: |
8a393ae90f8c
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diff
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|
1090 ret.append(gen) |
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server (pages): post requests are now handled:
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diff
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|
1091 else: |
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1092 try: |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
1093 ret.append(next(gen)) |
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
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diff
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|
1094 except StopIteration: |
962 | 1095 raise KeyError(key) |
931
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server (pages): post requests are now handled:
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diff
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|
1096 |
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server (pages): post requests are now handled:
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diff
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|
1097 return ret[0] if get_first else ret |
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diff
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|
1098 |
1009
b57f86bc1177
pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents:
1003
diff
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|
1099 def getAllPostedData(self, request, except_=(), multiple=True): |
959 | 1100 """get all posted data |
1101 | |
1102 @param request(server.Request): request linked to the session | |
1103 @param except_(iterable[unicode]): key of values to ignore | |
1104 csrf_token will always be ignored | |
1009
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diff
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|
1105 @param multiple(bool): if False, only the first values are returned |
959 | 1106 @return (dict[unicode, list[unicode]]): post values |
1107 """ | |
1108 except_ = tuple(except_) + (u'csrf_token',) | |
1109 ret = {} | |
1110 for key, values in request.args.iteritems(): | |
1111 key = urllib.unquote(key).decode('utf-8') | |
1112 if key in except_: | |
1113 continue | |
1009
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Goffi <goffi@goffi.org>
parents:
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diff
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|
1114 if not multiple: |
b57f86bc1177
pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents:
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diff
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|
1115 ret[key] = urllib.unquote(values[0]).decode('utf-8') |
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pages: added "multiple" argument to getAllPostedData
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|
1116 else: |
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diff
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|
1117 ret[key] = [urllib.unquote(v).decode('utf-8') for v in values] |
959 | 1118 return ret |
1119 | |
922
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server (pages): added "None" access (page is not rendered at all) and some HTTP code constants + helper methods to get session data
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diff
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1120 def getProfile(self, request): |
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1121 """helper method to easily get current profile |
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1122 |
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1123 @return (unicode, None): current profile |
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|
1124 None if no profile session is started |
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1125 """ |
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1126 sat_session = self.host.getSessionData(request, session_iface.ISATSession) |
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|
1127 return sat_session.profile |
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|
1128 |
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Goffi <goffi@goffi.org>
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1129 def getRData(self, request): |
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1130 """helper method to get request data dict |
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1131 |
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Goffi <goffi@goffi.org>
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|
1132 this dictionnary if for the request only, it is not saved in session |
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|
1133 It is mainly used to pass data between pages/methods called during request workflow |
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|
1134 @return (dict): request data |
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|
1135 """ |
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|
1136 try: |
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|
1137 return request.data |
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|
1138 except AttributeError: |
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|
1139 request.data = {} |
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1140 return request.data |
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|
1141 |
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Goffi <goffi@goffi.org>
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|
1142 def _checkAccess(self, data, request): |
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|
1143 """Check access according to self.access |
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|
1144 |
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Goffi <goffi@goffi.org>
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|
1145 if access is not granted, show a HTTP_UNAUTHORIZED pageError and stop request, |
16d1084d1371
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921
diff
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|
1146 else return data (so it can be inserted in deferred chain |
16d1084d1371
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|
1147 """ |
16d1084d1371
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parents:
921
diff
changeset
|
1148 if self.access == C.PAGES_ACCESS_PUBLIC: |
16d1084d1371
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Goffi <goffi@goffi.org>
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changeset
|
1149 pass |
16d1084d1371
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parents:
921
diff
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|
1150 elif self.access == C.PAGES_ACCESS_PROFILE: |
16d1084d1371
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Goffi <goffi@goffi.org>
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921
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|
1151 profile = self.getProfile(request) |
16d1084d1371
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Goffi <goffi@goffi.org>
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diff
changeset
|
1152 if not profile: |
962 | 1153 # no session started |
1154 if not self.host.options["allow_registration"]: | |
1155 # registration not allowed, access is not granted | |
1156 self.pageError(request, C.HTTP_UNAUTHORIZED) | |
1157 else: | |
1158 # registration allowed, we redirect to login page | |
1159 login_url = self.getPageRedirectURL(request) | |
1160 self.HTTPRedirect(request, login_url) | |
922
16d1084d1371
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|
1161 |
16d1084d1371
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Goffi <goffi@goffi.org>
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|
1162 return data |
16d1084d1371
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921
diff
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|
1163 |
995 | 1164 def renderPartial(self, request, template, template_data): |
1165 """Render a template to be inserted in dynamic page | |
1166 | |
1167 this is NOT the normal page rendering method, it is used only to update | |
1168 dynamic pages | |
1169 @param template(unicode): path of the template to render | |
1170 @param template_data(dict): template_data to use | |
1171 """ | |
1172 if not self.dynamic: | |
1173 raise exceptions.InternalError(_(u"renderPartial must only be used with dynamic pages")) | |
1174 session_data = self.host.getSessionData(request, session_iface.ISATSession) | |
1175 | |
1176 return self.host.renderer.render( | |
1177 template, | |
1178 root_path = '/templates/', | |
1179 media_path = '/' + C.MEDIA_DIR, | |
1180 cache_path = session_data.cache_dir, | |
1181 main_menu = LiberviaPage.main_menu, | |
1182 **template_data) | |
1183 | |
1184 def renderAndUpdate(self, request, template, selectors, template_data_update, update_type="append"): | |
1185 """Helper method to render a partial page element and update the page | |
1186 | |
1187 this is NOT the normal page rendering method, it is used only to update | |
1188 dynamic pages | |
1189 @param request(server.Request): current HTTP request | |
1190 @param template: same as for [renderPartial] | |
1191 @param selectors: CSS selectors to use | |
1192 @param template_data_update: template data to use | |
1193 template data cached in request will be copied then updated | |
1194 with this data | |
1195 @parap update_type(unicode): one of: | |
1196 append: append rendered element to selected element | |
1197 """ | |
1198 template_data = request.template_data.copy() | |
1199 template_data.update(template_data_update) | |
1200 html = self.renderPartial(request, template, template_data) | |
1201 request.sendData(u'dom', | |
1202 selectors=selectors, | |
1203 update_type=update_type, | |
1204 html=html) | |
1205 | |
923
edb322c87ea4
server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
parents:
922
diff
changeset
|
1206 def renderPage(self, request, skip_parse_url=False): |
937
00236973e138
server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents:
936
diff
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|
1207 """Main method to handle the workflow of a LiberviaPage""" |
994
b92b06f023cb
pages: profile is now always set in template_data, and None if there is no user logged
Goffi <goffi@goffi.org>
parents:
990
diff
changeset
|
1208 |
923
edb322c87ea4
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parents:
922
diff
changeset
|
1209 # template_data are the variables passed to template |
917 | 1210 if not hasattr(request, 'template_data'): |
957
67bf14c91d5c
server (pages): added a confirm flag on successful post:
Goffi <goffi@goffi.org>
parents:
956
diff
changeset
|
1211 session_data = self.host.getSessionData(request, session_iface.ISATSession) |
67bf14c91d5c
server (pages): added a confirm flag on successful post:
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diff
changeset
|
1212 csrf_token = session_data.csrf_token |
994
b92b06f023cb
pages: profile is now always set in template_data, and None if there is no user logged
Goffi <goffi@goffi.org>
parents:
990
diff
changeset
|
1213 request.template_data = {u'profile': session_data.profile, |
b92b06f023cb
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Goffi <goffi@goffi.org>
parents:
990
diff
changeset
|
1214 u'csrf_token': csrf_token} |
922
16d1084d1371
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|
1215 |
16d1084d1371
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|
1216 # XXX: here is the code which need to be executed once |
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|
1217 # at the beginning of the request hanling |
917 | 1218 if request.postpath and not request.postpath[-1]: |
1219 # we don't differenciate URLs finishing with '/' or not | |
1220 del request.postpath[-1] | |
922
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1221 |
917 | 1222 d = defer.Deferred() |
922
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|
1223 d.addCallback(self._checkAccess, request) |
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1224 |
923
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|
1225 if self.redirect is not None: |
1015 | 1226 d.addCallback(lambda dummy: self.pageRedirect(self.redirect, request, skip_parse_url=False)) |
923
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1227 |
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|
1228 if self.parse_url is not None and not skip_parse_url: |
1018 | 1229 if self.url_cache: |
1230 profile = self.getProfile(request) | |
1231 try: | |
1232 cache_url = self.cached_urls[profile][request.uri] | |
1233 except KeyError: | |
1234 # no cache for this URI yet | |
1235 # we do normal URL parsing, and then the cache | |
1236 d.addCallback(self.parse_url, request) | |
1237 d.addCallback(self._cacheURL, request, profile) | |
1238 else: | |
1239 log.debug(_(u"using URI cache for {page}").format(page=self)) | |
1240 cache_url.use(request) | |
1241 else: | |
1242 d.addCallback(self.parse_url, request) | |
917 | 1243 |
1244 d.addCallback(self._subpagesHandler, request) | |
1245 | |
931
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|
1246 if request.method not in (C.HTTP_METHOD_GET, C.HTTP_METHOD_POST): |
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|
1247 # only HTTP GET and POST are handled so far |
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|
1248 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST)) |
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|
1249 |
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|
1250 if request.method == C.HTTP_METHOD_POST: |
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|
1251 if self.on_data_post is None: |
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server (pages): post requests are now handled:
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changeset
|
1252 # if we don't have on_data_post, the page was not expecting POST |
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927
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|
1253 # so we return an error |
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server (pages): post requests are now handled:
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|
1254 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST)) |
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server (pages): post requests are now handled:
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|
1255 else: |
8a393ae90f8c
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927
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changeset
|
1256 d.addCallback(self._on_data_post, request) |
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server (pages): post requests are now handled:
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927
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changeset
|
1257 # by default, POST follow normal behaviour after on_data_post is called |
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server (pages): post requests are now handled:
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927
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|
1258 # this can be changed by a redirection or other method call in on_data_post |
8a393ae90f8c
server (pages): post requests are now handled:
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927
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|
1259 |
998
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parents:
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changeset
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1260 if self.dynamic: |
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pages: dynamic set up is now done just before prepare_render call:
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parents:
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diff
changeset
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1261 d.addCallback(self._prepare_dynamic, request) |
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pages: dynamic set up is now done just before prepare_render call:
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parents:
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diff
changeset
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1262 |
917 | 1263 if self.prepare_render: |
1264 d.addCallback(self._prepare_render, request) | |
1265 | |
1266 if self.template: | |
962 | 1267 d.addCallback(self._render_template, request) |
917 | 1268 elif self.render_method: |
1269 d.addCallback(self._render_method, request) | |
1270 | |
1271 d.addCallback(self.writeData, request) | |
1272 d.addErrback(self._renderEb, request) | |
937
00236973e138
server (pages): an HTTP internal error is raised if an error is uncatched during page workflow
Goffi <goffi@goffi.org>
parents:
936
diff
changeset
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1273 d.addErrback(self._internalError, request) |
917 | 1274 d.callback(self) |
1275 return server.NOT_DONE_YET | |
1276 | |
923
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server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents:
922
diff
changeset
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1277 def render_GET(self, request): |
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server (pages): pages now handle redirection, check self.pageRedirect docstring for details
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parents:
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1278 return self.renderPage(request) |
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server (pages): pages now handle redirection, check self.pageRedirect docstring for details
Goffi <goffi@goffi.org>
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922
diff
changeset
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1279 |
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
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1280 def render_POST(self, request): |
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server (pages): post requests are now handled:
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parents:
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1281 return self.renderPage(request) |