Mercurial > libervia-web
annotate src/server/pages.py @ 1053:a54882348ecc
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| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Thu, 25 Jan 2018 09:06:36 +0100 |
| parents | cdf0ebed9db7 |
| children | f2170536ba23 |
| rev | line source |
|---|---|
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1 #!/usr/bin/python |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # Libervia: a Salut à Toi frontend |
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5 # Copyright (C) 2011-2017 Jérôme Poisson <goffi@goffi.org> |
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6 |
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7 # This program is free software: you can redistribute it and/or modify |
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8 # it under the terms of the GNU Affero General Public License as published by |
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9 # the Free Software Foundation, either version 3 of the License, or |
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10 # (at your option) any later version. |
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11 |
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12 # This program is distributed in the hope that it will be useful, |
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 # GNU Affero General Public License for more details. |
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16 |
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17 # You should have received a copy of the GNU Affero General Public License |
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 from twisted.web import server |
| 858 | 20 from twisted.web import resource as web_resource |
| 21 from twisted.web import util as web_util | |
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22 from twisted.internet import defer |
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23 from twisted.words.protocols.jabber import jid |
| 917 | 24 from twisted.python import failure |
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25 |
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26 from sat.core.i18n import _ |
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27 from sat.core import exceptions |
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28 from sat.tools.common import uri as common_uri |
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29 from sat.tools import utils |
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30 from sat.core.log import getLogger |
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31 log = getLogger(__name__) |
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32 from libervia.server.constants import Const as C |
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33 from libervia.server import session_iface |
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34 from libervia.server.utils import quote |
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35 import libervia |
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36 |
| 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 |
| 917 | 205 if template is None: |
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206 if self.redirect is None and not callable(render): |
| 917 | 207 log.error(_(u"render must be implemented and callable if template is not set")) |
| 208 else: | |
| 209 if render is not None: | |
| 210 log.error(_(u"render can't be used at the same time as template")) | |
| 211 if parse_url is not None and not callable(parse_url): | |
| 212 log.error(_(u"parse_url must be a callable")) | |
| 213 | |
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214 # if not None, next rendering will be cached |
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215 # it must then contain a list of the the keys to use (without the page instance) |
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216 # e.g. [C.SERVICE_PROFILE, "pubsub", server@example.tld, pubsub_node] |
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217 self._do_cache = None |
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218 |
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219 def __unicode__(self): |
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220 return u'LiberviaPage {name} at {url}'.format( |
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221 name = self.name or u'<anonymous>', |
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222 url = self.url) |
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223 |
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224 def __str__(self): |
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225 return self.__unicode__().encode('utf-8') |
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226 |
| 925 | 227 @classmethod |
| 228 def importPages(cls, host, parent=None, path=None): | |
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229 """Recursively import Libervia pages""" |
| 917 | 230 if path is None: |
| 231 path = [] | |
| 232 if parent is None: | |
| 233 root_dir = os.path.join(os.path.dirname(libervia.__file__), C.PAGES_DIR) | |
| 234 parent = host | |
| 235 else: | |
| 236 root_dir = parent.root_dir | |
| 237 for d in os.listdir(root_dir): | |
| 238 dir_path = os.path.join(root_dir, d) | |
| 239 if not os.path.isdir(dir_path): | |
| 240 continue | |
| 241 meta_path = os.path.join(dir_path, C.PAGES_META_FILE) | |
| 242 if os.path.isfile(meta_path): | |
| 243 page_data = {} | |
| 962 | 244 new_path = path + [d] |
| 917 | 245 # we don't want to force the presence of __init__.py |
| 246 # so we use execfile instead of import. | |
| 247 # TODO: when moved to Python 3, __init__.py is not mandatory anymore | |
| 248 # so we can switch to import | |
| 249 execfile(meta_path, page_data) | |
| 250 resource = LiberviaPage( | |
| 251 host, | |
| 252 dir_path, | |
| 962 | 253 u'/' + u'/'.join(new_path), |
| 917 | 254 name=page_data.get('name'), |
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255 redirect=page_data.get('redirect'), |
| 917 | 256 access=page_data.get('access'), |
| 995 | 257 dynamic=page_data.get('dynamic', False), |
| 917 | 258 parse_url=page_data.get('parse_url'), |
| 259 prepare_render=page_data.get('prepare_render'), | |
| 260 render=page_data.get('render'), | |
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261 template=page_data.get('template'), |
| 995 | 262 on_data_post=page_data.get('on_data_post'), |
| 263 on_data=page_data.get('on_data'), | |
| 264 on_signal=page_data.get('on_signal'), | |
| 1018 | 265 url_cache=page_data.get('url_cache', False), |
| 995 | 266 ) |
| 917 | 267 parent.putChild(d, resource) |
| 268 log.info(u"Added /{path} page".format(path=u'[...]/'.join(new_path))) | |
| 925 | 269 if 'uri_handlers' in page_data: |
| 270 if not isinstance(page_data, dict): | |
| 271 log.error(_(u'uri_handlers must be a dict')) | |
| 272 else: | |
| 273 for uri_tuple, cb_name in page_data['uri_handlers'].iteritems(): | |
| 274 if len(uri_tuple) != 2 or not isinstance(cb_name, basestring): | |
| 275 log.error(_(u"invalid uri_tuple")) | |
| 276 continue | |
| 277 log.info(_(u'setting {}/{} URIs handler').format(*uri_tuple)) | |
| 278 try: | |
| 279 cb = page_data[cb_name] | |
| 280 except KeyError: | |
| 281 log.error(_(u'missing {name} method to handle {1}/{2}').format( | |
| 282 name = cb_name, *uri_tuple)) | |
| 283 continue | |
| 284 else: | |
| 1038 | 285 resource.registerURI(uri_tuple, cb) |
| 925 | 286 |
| 917 | 287 LiberviaPage.importPages(host, resource, new_path) |
| 288 | |
| 925 | 289 @classmethod |
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290 def setMenu(cls, menus): |
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291 main_menu = [] |
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292 for menu in menus: |
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293 if not menu: |
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294 msg = _(u"menu item can't be empty") |
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295 log.error(msg) |
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296 raise ValueError(msg) |
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297 elif isinstance(menu, list): |
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298 if len(menu) != 2: |
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299 msg = _(u"menu item as list must be in the form [page_name, absolue URL]") |
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300 log.error(msg) |
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301 raise ValueError(msg) |
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302 page_name, url = menu |
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303 else: |
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304 page_name = menu |
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305 try: |
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306 url = cls.getPageByName(page_name).url |
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307 except KeyError as e: |
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308 log.error(_(u"Can'find a named page ({msg}), please check menu_json in configuration.").format(msg=e)) |
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309 raise e |
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310 main_menu.append((page_name, url)) |
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311 cls.main_menu = main_menu |
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312 |
| 1038 | 313 def registerURI(self, uri_tuple, get_uri_cb): |
| 925 | 314 """register a URI handler |
| 315 | |
| 316 @param uri_tuple(tuple[unicode, unicode]): type or URIs handler | |
| 317 type/subtype as returned by tools/common/parseXMPPUri | |
| 1038 | 318 or type/None to handle all subtypes |
| 925 | 319 @param get_uri_cb(callable): method which take uri_data dict as only argument |
| 1038 | 320 and return absolute path with correct arguments or None if the page |
| 321 can't handle this URL | |
| 925 | 322 """ |
| 1038 | 323 if uri_tuple in self.uri_callbacks: |
| 925 | 324 log.info(_(u"{}/{} URIs are already handled, replacing by the new handler").format(*uri_tuple)) |
| 1038 | 325 self.uri_callbacks[uri_tuple] = (self, get_uri_cb) |
| 925 | 326 |
| 995 | 327 def registerSignal(self, request, signal, check_profile=True): |
| 328 r"""register a signal handler | |
| 329 | |
| 330 the page must be dynamic | |
| 331 when signal is received, self.on_signal will be called with: | |
| 332 - request | |
| 333 - signal name | |
| 334 - signal arguments | |
| 335 signal handler will be removed when connection with dynamic page will be lost | |
| 336 @param signal(unicode): name of the signal | |
| 337 last arg of signal must be profile, as it will be checked to filter signals | |
| 338 @param check_profile(bool): if True, signal profile (which MUST be last arg) will be | |
| 339 checked against session profile. | |
| 340 /!\ if False, profile will not be checked/filtered, be sure to know what you are doing | |
| 341 if you unset this option /!\ | |
| 342 """ | |
| 343 # FIXME: add a timeout, if socket is not opened before it, signal handler must be removed | |
| 344 if not self.dynamic: | |
| 345 log.error(_(u"You can't register signal if page is not dynamic")) | |
| 346 return | |
| 347 LiberviaPage.signals_handlers.setdefault(signal, {})[id(request)] = (self, request, check_profile) | |
| 348 request._signals_registered.append(signal) | |
| 349 | |
| 1038 | 350 @classmethod |
| 351 def getPagePathFromURI(cls, uri): | |
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352 """Retrieve page URL from xmpp: URI |
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353 |
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354 @param uri(unicode): URI with a xmpp: scheme |
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355 @return (unicode,None): absolute path (starting from root "/") to page handling the URI |
| 1038 | 356 None is returned if no page has been registered for this URI |
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357 """ |
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358 uri_data = common_uri.parseXMPPUri(uri) |
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359 try: |
| 1038 | 360 page, cb = cls.uri_callbacks[uri_data['type'], uri_data['sub_type']] |
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361 except KeyError: |
| 1038 | 362 url = None |
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363 else: |
| 1038 | 364 url = cb(page, uri_data) |
| 365 if url is None: | |
| 366 # no handler found | |
| 367 # we try to find a more generic one | |
| 368 try: | |
| 369 page, cb = cls.uri_callbacks[uri_data['type'], None] | |
| 370 except KeyError: | |
| 371 pass | |
| 372 else: | |
| 373 url = cb(page, uri_data) | |
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374 return url |
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375 |
| 979 | 376 @classmethod |
| 377 def getPageByName(cls, name): | |
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378 """retrieve page instance from its name |
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379 |
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380 @param name(unicode): name of the page |
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381 @return (LiberviaPage): page instance |
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382 @raise KeyError: the page doesn't exist |
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383 """ |
| 979 | 384 return cls.named_pages[name] |
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385 |
| 962 | 386 def getPageRedirectURL(self, request, page_name=u'login', url=None): |
| 387 """generate URL for a page with redirect_url parameter set | |
| 388 | |
| 389 mainly used for login page with redirection to current page | |
| 390 @param request(server.Request): current HTTP request | |
| 391 @param page_name(unicode): name of the page to go | |
| 392 @param url(None, unicode): url to redirect to | |
| 393 None to use request path (i.e. current page) | |
| 394 @return (unicode): URL to use | |
| 395 """ | |
| 396 return u'{root_url}?redirect_url={redirect_url}'.format( | |
| 397 root_url = self.getPageByName(page_name).url, | |
| 398 redirect_url=urllib.quote_plus(request.uri) if url is None else url.encode('utf-8')) | |
| 399 | |
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400 def getURL(self, *args): |
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401 """retrieve URL of the page set arguments |
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402 |
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403 *args(list[unicode]): argument to add to the URL as path elements |
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404 empty or None arguments will be ignored |
|
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changeset
|
405 """ |
|
1014
dfced7992460
pages: ignore empty or unset arguments in getURL
Goffi <goffi@goffi.org>
parents:
1013
diff
changeset
|
406 url_args = [quote(a) for a in args if a] |
|
980
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
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diff
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|
407 |
|
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core (pages redirection): inverted redirection + getSubPageURL:
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diff
changeset
|
408 if self.name is not None and self.name in self.pages_redirects: |
|
bcacf970f970
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diff
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|
409 # we check for redirection |
|
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core (pages redirection): inverted redirection + getSubPageURL:
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diff
changeset
|
410 redirect_data = self.pages_redirects[self.name] |
|
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core (pages redirection): inverted redirection + getSubPageURL:
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diff
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|
411 args_hash = tuple(args) |
|
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parents:
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diff
changeset
|
412 for limit in xrange(len(args)+1): |
|
bcacf970f970
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changeset
|
413 current_hash = args_hash[:limit] |
|
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diff
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|
414 if current_hash in redirect_data: |
|
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parents:
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diff
changeset
|
415 url_base = redirect_data[current_hash] |
|
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parents:
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|
416 remaining = args[limit:] |
|
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|
417 remaining_url = '/'.join(remaining) |
|
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diff
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|
418 return os.path.join('/', url_base, remaining_url) |
|
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diff
changeset
|
419 |
|
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Goffi <goffi@goffi.org>
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968
diff
changeset
|
420 return os.path.join(self.url, *url_args) |
|
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parents:
968
diff
changeset
|
421 |
|
1010
4de970de87d7
pages: added getCurrentURL and getParamURL:
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diff
changeset
|
422 def getCurrentURL(self, request): |
| 1015 | 423 """retrieve URL used to access this page |
|
1010
4de970de87d7
pages: added getCurrentURL and getParamURL:
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changeset
|
424 |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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diff
changeset
|
425 @return(unicode): current URL |
|
4de970de87d7
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diff
changeset
|
426 """ |
|
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diff
changeset
|
427 # we get url in the following way (splitting request.path instead of using |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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diff
changeset
|
428 # request.prepath) because request.prepath may have been modified by |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
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diff
changeset
|
429 # redirection (if redirection args have been specified), while path reflect |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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|
430 # the real request |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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diff
changeset
|
431 |
|
4de970de87d7
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changeset
|
432 # we ignore empty path elements (i.e. double '/' or '/' at the end) |
|
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diff
changeset
|
433 path_elts = [p for p in request.path.split('/') if p] |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
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diff
changeset
|
434 |
|
4de970de87d7
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Goffi <goffi@goffi.org>
parents:
1009
diff
changeset
|
435 if request.postpath: |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
436 if not request.postpath[-1]: |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
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diff
changeset
|
437 # we remove trailing slash |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
438 request.postpath = request.postpath[:-1] |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents:
1009
diff
changeset
|
439 if request.postpath: |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents:
1009
diff
changeset
|
440 # getSubPageURL must return subpage from the point where |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
1009
diff
changeset
|
441 # the it is called, so we have to remove remanining |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
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diff
changeset
|
442 # path elements |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
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diff
changeset
|
443 path_elts = path_elts[:-len(request.postpath)] |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
1009
diff
changeset
|
444 |
|
4de970de87d7
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parents:
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diff
changeset
|
445 return u'/' + '/'.join(path_elts).decode('utf-8') |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
1009
diff
changeset
|
446 |
|
4de970de87d7
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parents:
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diff
changeset
|
447 def getParamURL(self, request, **kwargs): |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
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diff
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|
448 """use URL of current request but modify the parameters in query part |
|
4de970de87d7
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parents:
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diff
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|
449 |
|
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parents:
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diff
changeset
|
450 **kwargs(dict[str, unicode]): argument to use as query parameters |
|
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|
451 @return (unicode): constructed URL |
|
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|
452 """ |
|
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|
453 current_url = self.getCurrentURL(request) |
|
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pages: added getCurrentURL and getParamURL:
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parents:
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changeset
|
454 if kwargs: |
|
4de970de87d7
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parents:
1009
diff
changeset
|
455 encoded = urllib.urlencode({k:v.encode('utf-8') for k,v in kwargs.iteritems()}).decode('utf-8') |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
1009
diff
changeset
|
456 current_url = current_url + u'?' + encoded |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
1009
diff
changeset
|
457 return current_url |
|
4de970de87d7
pages: added getCurrentURL and getParamURL:
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parents:
1009
diff
changeset
|
458 |
|
1030
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
459 def getSubPageByName(self, page, subpage_name): |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
460 """retrieve a subpage and its path using its name |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
461 |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
462 @param request(server.Request): current HTTP request |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
463 @param page_name(unicode): name of the page to retrieve |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
464 it must be a direct children of current page |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
465 @return (tuple[str, LiberviaPage]): page subpath and instance |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
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diff
changeset
|
466 @raise exceptions.NotFound: no page has been found |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
467 """ |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
468 for path, child in page.children.iteritems(): |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
469 try: |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
470 child_name = child.name |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
471 except AttributeError: |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
472 # LiberviaPages have a name, but maybe this is an other Resource |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
473 continue |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
474 if child_name == subpage_name: |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
475 return path, child |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
476 raise exceptions.NotFound(_(u'requested sub page has not been found')) |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
477 |
|
980
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
478 def getSubPageURL(self, request, page_name, *args): |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
479 """retrieve a page in direct children and build its URL according to request |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
480 |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
481 request's current path is used as base (at current parsing point, |
|
bcacf970f970
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Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
482 i.e. it's more prepath than path). |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
483 Requested page is checked in children and an absolute URL is then built |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
484 by the resulting combination. |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
485 This method is useful to construct absolute URLs for children instead of |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
486 using relative path, which may not work in subpages, and are linked to the |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
487 names of directories (i.e. relative URL will break if subdirectory is renamed |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
488 while getSubPageURL won't as long as page_name is consistent). |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
489 Also, request.path is used, keeping real path used by user, |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
490 and potential redirections. |
|
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
491 @param request(server.Request): current HTTP request |
|
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core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
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979
diff
changeset
|
492 @param page_name(unicode): name of the page to retrieve |
|
bcacf970f970
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Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
493 it must be a direct children of current page |
|
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core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
494 @param *args(list[unicode]): arguments to add as path elements |
|
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core (pages redirection): inverted redirection + getSubPageURL:
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parents:
979
diff
changeset
|
495 @return unicode: absolute URL to the sub page |
|
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979
diff
changeset
|
496 """ |
|
1010
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1009
diff
changeset
|
497 current_url = self.getCurrentURL(request) |
|
1030
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Goffi <goffi@goffi.org>
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1019
diff
changeset
|
498 path, child = self.getSubPageByName(self, page_name) |
|
66a050b32df8
pages: moved code getting subpage from getSubPageURL to new getSubPageByName method.
Goffi <goffi@goffi.org>
parents:
1019
diff
changeset
|
499 return os.path.join(u'/', current_url, path, *[quote(a) for a in args]) |
|
980
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core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
changeset
|
500 |
|
1031
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
501 def getURLByNames(self, named_path): |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
502 """retrieve URL from pages names and arguments |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
503 |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
504 @param named_path(list[tuple[unicode, list[unicode]]]): path to the page as a list |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
505 of tuples of 2 items: |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
506 - first item is page name |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
507 - second item is list of path arguments of this page |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
508 @return (unicode): URL to the requested page with given path arguments |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
509 @raise exceptions.NotFound: one of the page was not found |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
510 """ |
|
4ba7df23b976
pages: new method getURLByNames to retrieve URL from list of page names/path arguments
Goffi <goffi@goffi.org>
parents:
1030
diff
changeset
|
511 current_page = None |
|
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pages: new method getURLByNames to retrieve URL from list of page names/path arguments
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diff
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512 path = [] |
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513 for page_name, page_args in named_path: |
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pages: new method getURLByNames to retrieve URL from list of page names/path arguments
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diff
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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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parents:
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diff
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|
517 else: |
|
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diff
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|
518 sub_path, current_page = self.getSubPageByName(current_page, page_name) |
|
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|
519 path.append(sub_path) |
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520 if page_args: |
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521 path.extend([quote(a) for a in page_args]) |
|
1041
688b52897ba0
pages: check redirections on getURLByNames
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parents:
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diff
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|
522 return self.host.checkRedirection(u'/'.join(path)) |
|
980
bcacf970f970
core (pages redirection): inverted redirection + getSubPageURL:
Goffi <goffi@goffi.org>
parents:
979
diff
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|
523 |
| 917 | 524 def getChildWithDefault(self, path, request): |
| 525 # we handle children ourselves | |
| 526 raise exceptions.InternalError(u"this method should not be used with LiberviaPage") | |
| 527 | |
| 528 def nextPath(self, request): | |
| 529 """get next URL path segment, and update request accordingly | |
| 530 | |
| 531 will move first segment of postpath in prepath | |
| 532 @param request(server.Request): current HTTP request | |
| 533 @return (unicode): unquoted segment | |
| 534 @raise IndexError: there is no segment left | |
| 535 """ | |
| 536 pathElement = request.postpath.pop(0) | |
| 537 request.prepath.append(pathElement) | |
| 538 return urllib.unquote(pathElement).decode('utf-8') | |
| 539 | |
|
1019
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parents:
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diff
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|
540 ## Cache handling ## |
|
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|
541 |
|
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diff
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|
542 def _setCacheHeaders(self, request, cache): |
|
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diff
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543 """Set ETag and Last-Modified HTTP headers, used for caching""" |
|
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diff
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|
544 request.setHeader('ETag', cache.hash) |
|
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|
545 last_modified = self.host.getHTTPDate(cache.created) |
|
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546 request.setHeader('Last-Modified', last_modified) |
|
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|
547 |
|
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|
548 def _checkCacheHeaders(self, request, cache): |
|
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|
549 """Check if a cache condition is set on the request |
|
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|
550 |
|
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|
551 if condition is valid, C.HTTP_NOT_MODIFIED is returned |
|
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552 """ |
|
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|
553 etag_match = request.getHeader('If-None-Match') |
|
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|
554 if etag_match is not None: |
|
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|
555 if cache.hash == etag_match: |
|
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|
556 self.pageError(request, C.HTTP_NOT_MODIFIED, no_body=True) |
|
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|
557 else: |
|
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diff
changeset
|
558 modified_match = request.getHeader('If-Modified-Since') |
|
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|
559 if modified_match is not None: |
|
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parents:
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diff
changeset
|
560 modified = utils.date_parse(modified_match) |
|
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|
561 if modified >= int(cache.created): |
|
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parents:
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diff
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|
562 self.pageError(request, C.HTTP_NOT_MODIFIED, no_body=True) |
|
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diff
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|
563 |
|
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|
564 def checkCacheSubscribeCb(self, sub_id, service, node): |
|
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|
565 self.cache_pubsub_sub.add((service, node, sub_id)) |
|
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|
566 |
|
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|
567 def checkCacheSubscribeEb(self, failure_, service, node): |
|
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|
568 log.warning(_(u"Can't subscribe to node: {msg}").format(msg=failure_)) |
|
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changeset
|
569 # FIXME: cache must be marked as unusable here |
|
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diff
changeset
|
570 |
|
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|
571 def psNodeWatchAddEb(self, failure_, service, node): |
|
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|
572 log.warning(_(u"Can't add node watched: {msg}").format(msg=failure_)) |
|
64826e69f365
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diff
changeset
|
573 |
|
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changeset
|
574 def checkCache(self, request, cache_type, **kwargs): |
|
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changeset
|
575 """check if a page is in cache and return cached version if suitable |
|
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diff
changeset
|
576 |
|
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984
diff
changeset
|
577 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
|
578 pubsub node) |
|
64826e69f365
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984
diff
changeset
|
579 @param request(server.Request): current HTTP request |
|
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|
580 @param cache_type(int): on of C.CACHE_* const. |
|
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diff
changeset
|
581 @param **kwargs: args according to cache_type: |
|
1010
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents:
1009
diff
changeset
|
582 C.CACHE_PUBSUB: |
|
985
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diff
changeset
|
583 service: pubsub service |
|
64826e69f365
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parents:
984
diff
changeset
|
584 node: pubsub node |
|
1019
34240d08f682
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parents:
1018
diff
changeset
|
585 short: short name of feature (needed if node is empty to find namespace) |
|
985
64826e69f365
pages: cache mechanism, first draft:
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parents:
984
diff
changeset
|
586 |
|
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
587 """ |
|
64826e69f365
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parents:
984
diff
changeset
|
588 if request.postpath: |
|
64826e69f365
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Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
589 # we are not on the final page, no need to go further |
|
64826e69f365
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parents:
984
diff
changeset
|
590 return |
|
1033
c34f08e05cdf
pages: cache is now working even after pageRedirect
Goffi <goffi@goffi.org>
parents:
1032
diff
changeset
|
591 |
|
985
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
592 profile = self.getProfile(request) or C.SERVICE_PROFILE |
|
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
593 |
|
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
594 if cache_type == C.CACHE_PUBSUB: |
|
64826e69f365
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parents:
984
diff
changeset
|
595 service, node = kwargs['service'], kwargs['node'] |
|
64826e69f365
pages: cache mechanism, first draft:
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parents:
984
diff
changeset
|
596 if not node: |
|
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
597 try: |
|
64826e69f365
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parents:
984
diff
changeset
|
598 short = kwargs['short'] |
|
64826e69f365
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parents:
984
diff
changeset
|
599 node = self.host.ns_map[short] |
|
64826e69f365
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parents:
984
diff
changeset
|
600 except KeyError: |
|
64826e69f365
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parents:
984
diff
changeset
|
601 log.warning(_(u"Can't use cache for empty node without namespace set, please ensure to set \"short\" and that it is registered")) |
|
64826e69f365
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parents:
984
diff
changeset
|
602 return |
|
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
603 if profile != C.SERVICE_PROFILE: |
|
64826e69f365
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Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
604 # only service profile is cache for now |
|
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
605 return |
|
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
606 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
|
607 cache = self.cache[profile][cache_type][service][node][request.uri][self] |
|
985
64826e69f365
pages: cache mechanism, first draft:
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parents:
984
diff
changeset
|
608 except KeyError: |
|
64826e69f365
pages: cache mechanism, first draft:
Goffi <goffi@goffi.org>
parents:
984
diff
changeset
|
609 # no cache yet, let's subscribe to the pubsub node |
|
64826e69f365
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parents:
984
diff
changeset
|
610 d1 = self.host.bridgeCall('psSubscribe', service.full(), node, {}, profile) |
|
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pages: cache mechanism, first draft:
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parents:
984
diff
changeset
|
611 d1.addCallback(self.checkCacheSubscribeCb, service, node) |
|
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diff
changeset
|
612 d1.addErrback(self.checkCacheSubscribeEb, service, node) |
|
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parents:
984
diff
changeset
|
613 d2 = self.host.bridgeCall('psNodeWatchAdd', service.full(), node, profile) |
|
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parents:
984
diff
changeset
|
614 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
|
615 self._do_cache = [self, profile, cache_type, service, node, request.uri] |
|
985
64826e69f365
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changeset
|
616 # we don't return the Deferreds as it is not needed to wait for |
|
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parents:
984
diff
changeset
|
617 # the subscription to continue with page rendering |
|
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parents:
984
diff
changeset
|
618 return |
|
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parents:
984
diff
changeset
|
619 |
|
64826e69f365
pages: cache mechanism, first draft:
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parents:
984
diff
changeset
|
620 else: |
|
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parents:
984
diff
changeset
|
621 raise exceptions.InternalError(u'Unknown cache_type') |
|
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parents:
984
diff
changeset
|
622 log.debug(u'using cache for {page}'.format(page=self)) |
|
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984
diff
changeset
|
623 cache.last_access = time.time() |
|
1019
34240d08f682
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parents:
1018
diff
changeset
|
624 self._setCacheHeaders(request, cache) |
|
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parents:
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diff
changeset
|
625 self._checkCacheHeaders(request, cache) |
|
985
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diff
changeset
|
626 request.write(cache.rendered) |
|
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parents:
984
diff
changeset
|
627 request.finish() |
|
64826e69f365
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984
diff
changeset
|
628 raise failure.Failure(exceptions.CancelError(u'cache is used')) |
|
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diff
changeset
|
629 |
| 1018 | 630 def _cacheURL(self, dummy, request, profile): |
| 631 self.cached_urls.setdefault(profile, {})[request.uri] = CacheURL(request) | |
| 632 | |
|
985
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diff
changeset
|
633 @classmethod |
|
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diff
changeset
|
634 def onNodeEvent(cls, host, service, node, event_type, items, profile): |
|
64826e69f365
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parents:
984
diff
changeset
|
635 """Invalidate cache for all pages linked to this node""" |
|
64826e69f365
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parents:
984
diff
changeset
|
636 try: |
|
64826e69f365
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984
diff
changeset
|
637 cache = cls.cache[profile][C.CACHE_PUBSUB][jid.JID(service)][node] |
|
64826e69f365
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parents:
984
diff
changeset
|
638 except KeyError: |
|
64826e69f365
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parents:
984
diff
changeset
|
639 log.info(_(u'Removing subscription for {service}/{node}: ' |
|
64826e69f365
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parents:
984
diff
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|
640 u'the page is not cached').format(service=service, node=node)) |
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641 d1 = host.bridgeCall('psUnsubscribe', service, node, profile) |
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642 d1.addErrback(lambda failure_: |
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643 log.warning(_(u"Can't unsubscribe from {service}/{node}: {msg}").format( |
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644 service=service, node=node, msg=failure_))) |
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645 d2 = host.bridgeCall('psNodeWatchAdd', service, node, profile) |
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646 # TODO: check why the page is not in cache, remove subscription? |
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647 d2.addErrback(lambda failure_: |
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648 log.warning(_(u"Can't remove watch for {service}/{node}: {msg}").format( |
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649 service=service, node=node, msg=failure_))) |
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650 else: |
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651 cache.clear() |
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652 |
| 995 | 653 @classmethod |
| 654 def onSignal(cls, host, signal, *args): | |
| 655 """Generic method which receive registered signals | |
| 656 | |
| 657 if a callback is registered for this signal, call it | |
| 658 @param host: Libervia instance | |
| 659 @param signal(unicode): name of the signal | |
| 660 @param *args: args of the signals | |
| 661 """ | |
| 662 for page, request, check_profile in cls.signals_handlers.get(signal, {}).itervalues(): | |
| 663 if check_profile: | |
| 664 signal_profile = args[-1] | |
| 665 request_profile = page.getProfile(request) | |
| 666 if not request_profile: | |
| 667 # if you want to use signal without session, unset check_profile | |
| 668 # (be sure to know what you are doing) | |
| 669 log.error(_(u"no session started, signal can't be checked")) | |
| 670 continue | |
| 671 if signal_profile != request_profile: | |
| 672 # we ignore the signal, it's not for our profile | |
| 673 continue | |
| 674 if request._signals_cache is not None: | |
| 675 # socket is not yet opened, we cache the signal | |
| 676 request._signals_cache.append((request, signal, args)) | |
| 677 log.debug(u"signal [{signal}] cached: {args}".format( | |
| 678 signal = signal, | |
| 679 args = args)) | |
| 680 else: | |
| 681 page.on_signal(page, request, signal, *args) | |
| 682 | |
| 683 def onSocketOpen(self, request): | |
| 684 """Called for dynamic pages when socket has just been opened | |
| 685 | |
| 686 we send all cached signals | |
| 687 """ | |
| 688 assert request._signals_cache is not None | |
| 689 cache = request._signals_cache | |
| 690 request._signals_cache = None | |
| 691 for request, signal, args in cache: | |
| 692 self.on_signal(self, request, signal, *args) | |
| 693 | |
| 694 def onSocketClose(self, request): | |
| 695 """Called for dynamic pages when socket has just been closed | |
| 696 | |
| 697 we remove signal handler | |
| 698 """ | |
| 699 for signal in request._signals_registered: | |
| 700 try: | |
| 701 del LiberviaPage.signals_handlers[signal][id(request)] | |
| 702 except KeyError: | |
| 703 log.error(_(u"Can't find signal handler for [{signal}], this should not happen").format( | |
| 704 signal = signal)) | |
| 705 else: | |
| 706 log.debug(_(u"Removed signal handler")) | |
| 707 | |
| 962 | 708 def HTTPRedirect(self, request, url): |
| 709 """redirect to an URL using HTTP redirection | |
| 710 | |
| 711 @param request(server.Request): current HTTP request | |
| 712 @param url(unicode): url to redirect to | |
| 713 """ | |
| 714 | |
| 715 web_util.redirectTo(url.encode('utf-8'), request) | |
| 716 request.finish() | |
| 717 raise failure.Failure(exceptions.CancelError(u'HTTP redirection is used')) | |
| 718 | |
| 719 def redirectOrContinue(self, request, redirect_arg=u'redirect_url'): | |
| 720 """helper method to redirect a page to an url given as arg | |
| 721 | |
| 722 if the arg is not present, the page will continue normal workflow | |
| 723 @param request(server.Request): current HTTP request | |
| 724 @param redirect_arg(unicode): argument to use to get redirection URL | |
| 725 @interrupt: redirect the page to requested URL | |
| 726 @interrupt pageError(C.HTTP_BAD_REQUEST): empty or non local URL is used | |
| 727 """ | |
| 728 try: | |
| 729 url = self.getPostedData(request, 'redirect_url') | |
| 730 except KeyError: | |
| 731 pass | |
| 732 else: | |
| 733 # a redirection is requested | |
| 734 if not url or url[0] != u'/': | |
| 735 # we only want local urls | |
| 736 self.pageError(request, C.HTTP_BAD_REQUEST) | |
| 737 else: | |
| 738 self.HTTPRedirect(request, url) | |
| 739 | |
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740 def pageRedirect(self, page_path, request, skip_parse_url=True, path_args=None): |
|
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741 """redirect a page to a named page |
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742 |
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743 the workflow will continue with the workflow of the named page, |
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744 skipping named page's parse_url method if it exist. |
| 962 | 745 If you want to do a HTTP redirection, use HTTPRedirect |
|
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746 @param page_path(unicode): path to page (elements are separated by "/"): |
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747 if path starts with a "/": |
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748 path is a full path starting from root |
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749 else: |
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750 - first element is name as registered in name variable |
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751 - following element are subpages path |
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752 e.g.: "blog" redirect to page named "blog" |
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753 "blog/atom.xml" redirect to atom.xml subpage of "blog" |
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754 "/common/blog/atom.xml" redirect to the page at the fiven full path |
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755 @param request(server.Request): current HTTP request |
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756 @param skip_parse_url(bool): if True, parse_url method on redirect page will be skipped |
|
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757 @param path_args(list[unicode], None): path arguments to use in redirected page |
|
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758 @raise KeyError: there is no known page with this name |
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759 """ |
|
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760 # FIXME: render non LiberviaPage resources |
|
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761 path = page_path.rstrip(u'/').split(u'/') |
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762 if not path[0]: |
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763 redirect_page = self.host.root |
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764 else: |
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765 redirect_page = self.named_pages[path[0]] |
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766 |
|
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767 for subpage in path[1:]: |
| 962 | 768 if redirect_page is self.host.root: |
| 769 redirect_page = redirect_page.children[subpage] | |
| 770 else: | |
| 771 redirect_page = redirect_page.original.children[subpage] | |
|
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772 |
|
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773 if path_args is not None: |
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774 args = [quote(a) for a in path_args] |
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775 request.postpath = args + request.postpath |
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776 |
|
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777 if self._do_cache: |
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778 # if cache is needed, it will be handled by final page |
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779 redirect_page._do_cache = self._do_cache |
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780 self._do_cache = None |
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781 |
| 1015 | 782 redirect_page.renderPage(request, skip_parse_url=skip_parse_url) |
|
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783 raise failure.Failure(exceptions.CancelError(u'page redirection is used')) |
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784 |
|
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785 def pageError(self, request, code=C.HTTP_NOT_FOUND, no_body=False): |
| 917 | 786 """generate an error page and terminate the request |
| 787 | |
| 788 @param request(server.Request): HTTP request | |
| 789 @param core(int): error code to use | |
|
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790 @param no_body: don't write body if True |
| 917 | 791 """ |
| 792 request.setResponseCode(code) | |
|
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793 if no_body: |
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794 request.finish() |
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795 else: |
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796 template = u'error/' + unicode(code) + '.html' |
| 917 | 797 |
|
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798 rendered = self.host.renderer.render( |
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799 template, |
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800 root_path = '/templates/', |
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801 error_code = code, |
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802 **request.template_data) |
| 917 | 803 |
|
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804 self.writeData(rendered, request) |
| 917 | 805 raise failure.Failure(exceptions.CancelError(u'error page is used')) |
| 806 | |
| 807 def writeData(self, data, request): | |
|
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808 """write data to transport and finish the request""" |
| 917 | 809 if data is None: |
| 810 self.pageError(request) | |
|
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811 data_encoded = data.encode('utf-8') |
|
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812 |
|
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813 if self._do_cache is not None: |
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814 redirected_page = self._do_cache.pop(0) |
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815 cache = reduce(lambda d, k: d.setdefault(k, {}), self._do_cache, self.cache) |
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816 page_cache = cache[redirected_page] = CachePage(data_encoded) |
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817 self._setCacheHeaders(request, page_cache) |
|
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818 log.debug(_(u'{page} put in cache for [{profile}]').format( |
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819 page=self, |
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820 profile=self._do_cache[0])) |
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821 self._do_cache = None |
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822 self._checkCacheHeaders(request, page_cache) |
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823 |
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824 request.write(data_encoded) |
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825 request.finish() |
| 917 | 826 |
| 827 def _subpagesHandler(self, dummy, request): | |
| 828 """render subpage if suitable | |
| 829 | |
| 830 this method checks if there is still an unmanaged part of the path | |
| 831 and check if it corresponds to a subpage. If so, it render the subpage | |
| 832 else it render a NoResource. | |
| 833 If there is no unmanaged part of the segment, current page workflow is pursued | |
| 834 """ | |
| 835 if request.postpath: | |
| 836 subpage = self.nextPath(request) | |
| 837 try: | |
| 838 child = self.children[subpage] | |
| 839 except KeyError: | |
| 840 self.pageError(request) | |
| 841 else: | |
| 842 child.render(request) | |
| 843 raise failure.Failure(exceptions.CancelError(u'subpage page is used')) | |
| 844 | |
|
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845 def _prepare_dynamic(self, dummy, request): |
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846 # we need to activate dynamic page |
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847 # we set data for template, and create/register token |
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changeset
|
848 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
|
849 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
|
850 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
|
851 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
|
852 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
|
853 # 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
|
854 request._signals_registered = [] |
|
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
855 # 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
|
856 request._signals_cache = [] |
|
0848b8b0188d
pages: dynamic set up is now done just before prepare_render call:
Goffi <goffi@goffi.org>
parents:
995
diff
changeset
|
857 |
| 917 | 858 def _prepare_render(self, dummy, request): |
|
926
612e33fd32a8
server (pages): fixed _prepare_render handling
Goffi <goffi@goffi.org>
parents:
925
diff
changeset
|
859 return defer.maybeDeferred(self.prepare_render, self, request) |
| 917 | 860 |
| 861 def _render_method(self, dummy, request): | |
| 862 return defer.maybeDeferred(self.render_method, self, request) | |
| 863 | |
| 962 | 864 def _render_template(self, dummy, request): |
| 865 template_data = request.template_data | |
| 866 | |
| 867 # if confirm variable is set in case of successfuly data post | |
| 868 session_data = self.host.getSessionData(request, session_iface.ISATSession) | |
| 869 if session_data.popPageFlag(self, C.FLAG_CONFIRM): | |
| 870 template_data[u'confirm'] = True | |
| 871 | |
| 917 | 872 return self.host.renderer.render( |
| 873 self.template, | |
| 874 root_path = '/templates/', | |
| 962 | 875 media_path = '/' + C.MEDIA_DIR, |
| 995 | 876 cache_path = session_data.cache_dir, |
|
990
6daa59d44ee2
pages: menu implementation, first draft:
Goffi <goffi@goffi.org>
parents:
985
diff
changeset
|
877 main_menu = LiberviaPage.main_menu, |
| 917 | 878 **template_data) |
| 879 | |
| 880 def _renderEb(self, failure_, request): | |
| 881 """don't raise error on CancelError""" | |
| 882 failure_.trap(exceptions.CancelError) | |
| 883 | |
|
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
|
884 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
|
885 """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
|
886 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
|
887 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
|
888 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
|
889 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
|
890 |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
891 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
|
892 """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
|
893 |
|
968
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
894 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
|
895 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
|
896 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
|
897 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
|
898 HTTP status code "See Other" (303) is used as it is the recommanded code in this case. |
| 962 | 899 @param ret(None, unicode, iterable): on_data_post return value |
| 900 see LiberviaPage.__init__ on_data_post docstring | |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
901 """ |
| 962 | 902 if ret is None: |
| 903 ret = () | |
| 904 elif isinstance(ret, basestring): | |
| 905 ret = (ret,) | |
| 906 else: | |
| 907 ret = tuple(ret) | |
| 908 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
|
909 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
|
910 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
|
911 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
|
912 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
|
913 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
|
914 redirect_page = redirect_page_data[0] |
|
972
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
915 redirect_page_args = redirect_page_data[1:] |
|
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
916 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
|
917 else: |
|
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
918 redirect_page = redirect_page_data |
|
972
c4e58c4dba75
server: getURL + minor improvments:
Goffi <goffi@goffi.org>
parents:
968
diff
changeset
|
919 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
|
920 else: |
|
4d37b23777c3
pages (core, tickets/new): replaced post_redirect_uri mechanism by post_redirect_page:
Goffi <goffi@goffi.org>
parents:
966
diff
changeset
|
921 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
|
922 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
|
923 |
| 962 | 924 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
|
925 session_data.setPageFlag(redirect_page, C.FLAG_CONFIRM) |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
926 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
|
927 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
|
928 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
|
929 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
|
930 |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
931 def _on_data_post(self, dummy, request): |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
932 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
|
933 try: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
934 given_csrf = self.getPostedData(request, u'csrf_token') |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
935 except KeyError: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
936 given_csrf = None |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
937 if given_csrf is None or given_csrf != csrf_token: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
938 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
|
939 url=request.uri, |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
940 ip=request.getClientIP())) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
941 self.pageError(request, C.HTTP_UNAUTHORIZED) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
942 d = defer.maybeDeferred(self.on_data_post, self, request) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
943 d.addCallback(self._on_data_post_redirect, request) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
944 return d |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
945 |
|
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
946 def getPostedData(self, request, keys, multiple=False): |
|
1010
4de970de87d7
pages: added getCurrentURL and getParamURL:
Goffi <goffi@goffi.org>
parents:
1009
diff
changeset
|
947 """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
|
948 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
949 @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
|
950 @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
|
951 unicode to get one value |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
952 iterable to get more than one |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
953 @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
|
954 if False, the first value is returned |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
955 @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
|
956 @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
|
957 """ |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
958 if isinstance(keys, basestring): |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
959 keys = [keys] |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
960 get_first = True |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
961 else: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
962 get_first = False |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
963 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
964 ret = [] |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
965 for key in keys: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
966 gen = (urllib.unquote(v).decode('utf-8') for v in request.args.get(key,[])) |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
967 if multiple: |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
968 ret.append(gen) |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
969 else: |
|
956
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
970 try: |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
971 ret.append(next(gen)) |
|
dabecab10faa
server (pages): impleted CSRF protection:
Goffi <goffi@goffi.org>
parents:
955
diff
changeset
|
972 except StopIteration: |
| 962 | 973 raise KeyError(key) |
|
931
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
974 |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
975 return ret[0] if get_first else ret |
|
8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
927
diff
changeset
|
976 |
|
1009
b57f86bc1177
pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents:
1003
diff
changeset
|
977 def getAllPostedData(self, request, except_=(), multiple=True): |
| 959 | 978 """get all posted data |
| 979 | |
| 980 @param request(server.Request): request linked to the session | |
| 981 @param except_(iterable[unicode]): key of values to ignore | |
| 982 csrf_token will always be ignored | |
|
1009
b57f86bc1177
pages: added "multiple" argument to getAllPostedData
Goffi <goffi@goffi.org>
parents:
1003
diff
changeset
|
983 @param multiple(bool): if False, only the first values are returned |
| 959 | 984 @return (dict[unicode, list[unicode]]): post values |
| 985 """ | |
| 986 except_ = tuple(except_) + (u'csrf_token',) | |
| 987 ret = {} | |
| 988 for key, values in request.args.iteritems(): | |
| 989 key = urllib.unquote(key).decode('utf-8') | |
| 990 if key in except_: | |
| 991 continue | |
|
1009
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diff
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|
992 if not multiple: |
|
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diff
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|
993 ret[key] = urllib.unquote(values[0]).decode('utf-8') |
|
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|
994 else: |
|
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1003
diff
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|
995 ret[key] = [urllib.unquote(v).decode('utf-8') for v in values] |
| 959 | 996 return ret |
| 997 | |
|
922
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|
998 def getProfile(self, request): |
|
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diff
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|
999 """helper method to easily get current profile |
|
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|
1000 |
|
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diff
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|
1001 @return (unicode, None): current profile |
|
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diff
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|
1002 None if no profile session is started |
|
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|
1003 """ |
|
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|
1004 sat_session = self.host.getSessionData(request, session_iface.ISATSession) |
|
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1005 return sat_session.profile |
|
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|
1006 |
|
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1007 def getRData(self, request): |
|
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|
1008 """helper method to get request data dict |
|
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|
1009 |
|
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|
1010 this dictionnary if for the request only, it is not saved in session |
|
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|
1011 It is mainly used to pass data between pages/methods called during request workflow |
|
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|
1012 @return (dict): request data |
|
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1013 """ |
|
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|
1014 try: |
|
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1015 return request.data |
|
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1016 except AttributeError: |
|
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1017 request.data = {} |
|
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|
1018 return request.data |
|
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|
1019 |
|
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|
1020 def _checkAccess(self, data, request): |
|
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|
1021 """Check access according to self.access |
|
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|
1022 |
|
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|
1023 if access is not granted, show a HTTP_UNAUTHORIZED pageError and stop request, |
|
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|
1024 else return data (so it can be inserted in deferred chain |
|
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|
1025 """ |
|
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|
1026 if self.access == C.PAGES_ACCESS_PUBLIC: |
|
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|
1027 pass |
|
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diff
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|
1028 elif self.access == C.PAGES_ACCESS_PROFILE: |
|
16d1084d1371
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|
1029 profile = self.getProfile(request) |
|
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|
1030 if not profile: |
| 962 | 1031 # no session started |
| 1032 if not self.host.options["allow_registration"]: | |
| 1033 # registration not allowed, access is not granted | |
| 1034 self.pageError(request, C.HTTP_UNAUTHORIZED) | |
| 1035 else: | |
| 1036 # registration allowed, we redirect to login page | |
| 1037 login_url = self.getPageRedirectURL(request) | |
| 1038 self.HTTPRedirect(request, login_url) | |
|
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|
1039 |
|
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|
1040 return data |
|
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|
1041 |
| 995 | 1042 def renderPartial(self, request, template, template_data): |
| 1043 """Render a template to be inserted in dynamic page | |
| 1044 | |
| 1045 this is NOT the normal page rendering method, it is used only to update | |
| 1046 dynamic pages | |
| 1047 @param template(unicode): path of the template to render | |
| 1048 @param template_data(dict): template_data to use | |
| 1049 """ | |
| 1050 if not self.dynamic: | |
| 1051 raise exceptions.InternalError(_(u"renderPartial must only be used with dynamic pages")) | |
| 1052 session_data = self.host.getSessionData(request, session_iface.ISATSession) | |
| 1053 | |
| 1054 return self.host.renderer.render( | |
| 1055 template, | |
| 1056 root_path = '/templates/', | |
| 1057 media_path = '/' + C.MEDIA_DIR, | |
| 1058 cache_path = session_data.cache_dir, | |
| 1059 main_menu = LiberviaPage.main_menu, | |
| 1060 **template_data) | |
| 1061 | |
| 1062 def renderAndUpdate(self, request, template, selectors, template_data_update, update_type="append"): | |
| 1063 """Helper method to render a partial page element and update the page | |
| 1064 | |
| 1065 this is NOT the normal page rendering method, it is used only to update | |
| 1066 dynamic pages | |
| 1067 @param request(server.Request): current HTTP request | |
| 1068 @param template: same as for [renderPartial] | |
| 1069 @param selectors: CSS selectors to use | |
| 1070 @param template_data_update: template data to use | |
| 1071 template data cached in request will be copied then updated | |
| 1072 with this data | |
| 1073 @parap update_type(unicode): one of: | |
| 1074 append: append rendered element to selected element | |
| 1075 """ | |
| 1076 template_data = request.template_data.copy() | |
| 1077 template_data.update(template_data_update) | |
| 1078 html = self.renderPartial(request, template, template_data) | |
| 1079 request.sendData(u'dom', | |
| 1080 selectors=selectors, | |
| 1081 update_type=update_type, | |
| 1082 html=html) | |
| 1083 | |
|
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1084 def renderPage(self, request, skip_parse_url=False): |
|
937
00236973e138
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936
diff
changeset
|
1085 """Main method to handle the workflow of a LiberviaPage""" |
|
994
b92b06f023cb
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parents:
990
diff
changeset
|
1086 |
|
923
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|
1087 # template_data are the variables passed to template |
| 917 | 1088 if not hasattr(request, 'template_data'): |
|
957
67bf14c91d5c
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Goffi <goffi@goffi.org>
parents:
956
diff
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|
1089 session_data = self.host.getSessionData(request, session_iface.ISATSession) |
|
67bf14c91d5c
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Goffi <goffi@goffi.org>
parents:
956
diff
changeset
|
1090 csrf_token = session_data.csrf_token |
|
994
b92b06f023cb
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Goffi <goffi@goffi.org>
parents:
990
diff
changeset
|
1091 request.template_data = {u'profile': session_data.profile, |
|
b92b06f023cb
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Goffi <goffi@goffi.org>
parents:
990
diff
changeset
|
1092 u'csrf_token': csrf_token} |
|
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|
1093 |
|
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|
1094 # XXX: here is the code which need to be executed once |
|
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|
1095 # at the beginning of the request hanling |
| 917 | 1096 if request.postpath and not request.postpath[-1]: |
| 1097 # we don't differenciate URLs finishing with '/' or not | |
| 1098 del request.postpath[-1] | |
|
922
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|
1099 |
| 917 | 1100 d = defer.Deferred() |
|
922
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|
1101 d.addCallback(self._checkAccess, request) |
|
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|
1102 |
|
923
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|
1103 if self.redirect is not None: |
| 1015 | 1104 d.addCallback(lambda dummy: self.pageRedirect(self.redirect, request, skip_parse_url=False)) |
|
923
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1105 |
|
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|
1106 if self.parse_url is not None and not skip_parse_url: |
| 1018 | 1107 if self.url_cache: |
| 1108 profile = self.getProfile(request) | |
| 1109 try: | |
| 1110 cache_url = self.cached_urls[profile][request.uri] | |
| 1111 except KeyError: | |
| 1112 # no cache for this URI yet | |
| 1113 # we do normal URL parsing, and then the cache | |
| 1114 d.addCallback(self.parse_url, request) | |
| 1115 d.addCallback(self._cacheURL, request, profile) | |
| 1116 else: | |
| 1117 log.debug(_(u"using URI cache for {page}").format(page=self)) | |
| 1118 cache_url.use(request) | |
| 1119 else: | |
| 1120 d.addCallback(self.parse_url, request) | |
| 917 | 1121 |
| 1122 d.addCallback(self._subpagesHandler, request) | |
| 1123 | |
|
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|
1124 if request.method not in (C.HTTP_METHOD_GET, C.HTTP_METHOD_POST): |
|
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|
1125 # only HTTP GET and POST are handled so far |
|
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|
1126 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST)) |
|
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|
1127 |
|
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|
1128 if request.method == C.HTTP_METHOD_POST: |
|
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|
1129 if self.on_data_post is None: |
|
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|
1130 # if we don't have on_data_post, the page was not expecting POST |
|
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|
1131 # so we return an error |
|
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|
1132 d.addCallback(lambda dummy: self.pageError(request, C.HTTP_BAD_REQUEST)) |
|
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1133 else: |
|
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|
1134 d.addCallback(self._on_data_post, request) |
|
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|
1135 # by default, POST follow normal behaviour after on_data_post is called |
|
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|
1136 # this can be changed by a redirection or other method call in on_data_post |
|
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|
1137 |
|
998
0848b8b0188d
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|
1138 if self.dynamic: |
|
0848b8b0188d
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diff
changeset
|
1139 d.addCallback(self._prepare_dynamic, request) |
|
0848b8b0188d
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|
1140 |
| 917 | 1141 if self.prepare_render: |
| 1142 d.addCallback(self._prepare_render, request) | |
| 1143 | |
| 1144 if self.template: | |
| 962 | 1145 d.addCallback(self._render_template, request) |
| 917 | 1146 elif self.render_method: |
| 1147 d.addCallback(self._render_method, request) | |
| 1148 | |
| 1149 d.addCallback(self.writeData, request) | |
| 1150 d.addErrback(self._renderEb, request) | |
|
937
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|
1151 d.addErrback(self._internalError, request) |
| 917 | 1152 d.callback(self) |
| 1153 return server.NOT_DONE_YET | |
| 1154 | |
|
923
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1155 def render_GET(self, request): |
|
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1156 return self.renderPage(request) |
|
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|
1157 |
|
931
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1158 def render_POST(self, request): |
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8a393ae90f8c
server (pages): post requests are now handled:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
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1159 return self.renderPage(request) |