Mercurial > libervia-web
annotate libervia/pages/blog/view/page_meta.py @ 1229:acec8e9185db
pages: replaced deprecated `cgi.escape` by `html.escape`
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Mon, 18 Nov 2019 21:49:42 +0100 |
| parents | 0f0c36992f3c |
| children | f511f8fbbf8a |
| rev | line source |
|---|---|
| 1216 | 1 #!/usr/bin/env python3 |
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2 # -*- coding: utf-8 -*- |
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3 import unicodedata |
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4 import re |
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5 import html |
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6 from libervia.server.constants import Const as C |
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7 from twisted.words.protocols.jabber import jid |
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8 from twisted.internet import defer |
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9 from sat.tools.common import data_objects |
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10 from libervia.server import session_iface |
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11 from sat.core.i18n import _ |
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12 from sat.tools.common.template import safe |
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13 from sat.tools.common import uri |
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14 from sat.tools.common import data_format |
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15 from libervia.server import utils |
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16 from libervia.server.utils import SubPage |
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17 from sat.core.log import getLogger |
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18 |
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19 log = getLogger(__name__) |
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20 |
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21 """generic blog (with service/node provided)""" |
| 1216 | 22 name = 'blog_view' |
| 23 template = "blog/articles.html" | |
| 24 uri_handlers = {('pubsub', 'microblog'): 'microblog_uri'} | |
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25 |
| 1216 | 26 RE_TEXT_URL = re.compile(r'[^a-zA-Z,_]+') |
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27 TEXT_MAX_LEN = 60 |
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28 TEXT_WORD_MIN_LENGHT = 4 |
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29 URL_LIMIT_MARK = 90 # if canonical URL is longer than that, text will not be appended |
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30 |
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31 |
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32 def microblog_uri(self, uri_data): |
| 1216 | 33 args = [uri_data['path'], uri_data['node']] |
| 34 if 'item' in uri_data: | |
| 35 args.extend(['id', uri_data['item']]) | |
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36 return self.getURL(*args) |
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37 |
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38 def parse_url(self, request): |
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39 """URL is /[service]/[node]/[filter_keyword]/[item]|[other] |
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40 |
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41 if [node] is '@', default namespace is used |
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42 if a value is unset, default one will be used |
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43 keyword can be one of: |
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44 id: next value is a item id |
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45 tag: next value is a blog tag |
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46 """ |
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47 data = self.getRData(request) |
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48 |
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49 try: |
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50 service = self.nextPath(request) |
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51 except IndexError: |
| 1216 | 52 data['service'] = '' |
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53 else: |
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54 try: |
| 1216 | 55 data["service"] = jid.JID(service) |
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56 except Exception: |
| 1216 | 57 log.warning(_("bad service entered: {}").format(service)) |
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58 self.pageError(request, C.HTTP_BAD_REQUEST) |
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59 |
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60 try: |
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61 node = self.nextPath(request) |
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62 except IndexError: |
| 1216 | 63 node = '@' |
| 64 data['node'] = '' if node == '@' else node | |
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65 |
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66 try: |
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67 filter_kw = data['filter_keyword'] = self.nextPath(request) |
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68 except IndexError: |
| 1216 | 69 filter_kw = '@' |
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70 else: |
| 1216 | 71 if filter_kw == '@': |
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72 # No filter, this is used when a subpage is needed, notably Atom feed |
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73 pass |
| 1216 | 74 elif filter_kw == 'id': |
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75 try: |
| 1216 | 76 data['item'] = self.nextPath(request) |
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77 except IndexError: |
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78 self.pageError(request, C.HTTP_BAD_REQUEST) |
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79 # we get one more argument in case text has been added to have a nice URL |
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80 try: |
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81 self.nextPath(request) |
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82 except IndexError: |
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83 pass |
| 1216 | 84 elif filter_kw == 'tag': |
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85 try: |
| 1216 | 86 data['tag'] = self.nextPath(request) |
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87 except IndexError: |
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88 self.pageError(request, C.HTTP_BAD_REQUEST) |
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89 else: |
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90 # invalid filter keyword |
| 1216 | 91 log.warning(_("invalid filter keyword: {filter_kw}").format( |
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92 filter_kw=filter_kw)) |
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93 self.pageError(request, C.HTTP_BAD_REQUEST) |
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94 |
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95 # if URL is parsed here, we'll have atom.xml available and we need to |
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96 # add the link to the page |
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97 atom_url = self.getURLByPath( |
| 1216 | 98 SubPage('blog_view'), |
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99 service, |
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100 node, |
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101 filter_kw, |
| 1216 | 102 SubPage('blog_feed_atom'), |
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103 ) |
| 1216 | 104 request.template_data['atom_url'] = atom_url |
| 105 request.template_data.setdefault('links', []).append({ | |
| 106 "href": atom_url, | |
| 107 "type": "application/atom+xml", | |
| 108 "rel": "alternate", | |
| 109 "title": "{service}'s blog".format(service=service)}) | |
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110 |
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111 |
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112 @defer.inlineCallbacks |
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113 def appendComments(self, blog_items, identities, profile): |
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114 for blog_item in blog_items: |
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115 if identities is not None: |
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116 author = blog_item.author_jid |
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117 if not author: |
| 1216 | 118 log.warning(_("no author found for item {item_id}").format(item_id=blog_item.id)) |
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119 else: |
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120 if author not in identities: |
| 1216 | 121 identities[author] = yield self.host.bridgeCall('identityGet', author, profile) |
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122 for comment_data in blog_item.comments: |
| 1216 | 123 service = comment_data['service'] |
| 124 node = comment_data['node'] | |
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125 try: |
| 1216 | 126 comments_data = yield self.host.bridgeCall('mbGet', |
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127 service, |
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128 node, |
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129 C.NO_LIMIT, |
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130 [], |
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131 {C.KEY_ORDER_BY: C.ORDER_BY_CREATION}, |
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132 profile) |
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133 except Exception as e: |
| 1216 | 134 log.warning(_("Can't get comments at {node} (service: {service}): {msg}").format( |
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135 service=service, |
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136 node=node, |
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137 msg=e)) |
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138 continue |
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139 |
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140 comments = data_objects.BlogItems(comments_data) |
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141 blog_item.appendCommentsItems(comments) |
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142 yield appendComments(self, comments, identities, profile) |
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143 |
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144 @defer.inlineCallbacks |
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145 def getBlogItems(self, request, service, node, item_id, extra, profile): |
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146 try: |
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147 if item_id: |
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148 items_id = [item_id] |
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149 else: |
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150 items_id = [] |
| 1216 | 151 blog_data = yield self.host.bridgeCall('mbGet', |
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152 service.userhost(), |
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153 node, |
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154 C.NO_LIMIT, |
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155 items_id, |
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156 extra, |
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157 profile) |
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158 except Exception as e: |
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159 # FIXME: need a better way to test errors in bridge errback |
| 1216 | 160 if "forbidden" in str(e): |
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161 self.pageError(request, 401) |
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162 else: |
| 1216 | 163 log.warning(_("can't retrieve blog for [{service}]: {msg}".format( |
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164 service = service.userhost(), msg=e))) |
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165 blog_data = ([], {}) |
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166 |
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167 defer.returnValue(data_objects.BlogItems(blog_data)) |
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168 |
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169 @defer.inlineCallbacks |
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170 def prepare_render(self, request): |
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171 data = self.getRData(request) |
| 1216 | 172 page_max = data.get("page_max", 10) |
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173 # if the comments are not explicitly hidden, we show them |
| 1216 | 174 service, node, item_id, show_comments = data.get('service', ''), data.get('node', ''), data.get('item'), data.get('show_comments', True) |
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175 profile = self.getProfile(request) |
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176 if profile is None: |
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177 profile = C.SERVICE_PROFILE |
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178 profile_connected = False |
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179 else: |
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180 profile_connected = True |
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181 |
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182 ## pagination/filtering parameters |
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183 if item_id: |
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184 extra = {} |
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185 else: |
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186 extra = self.getPubsubExtra(request, page_max=page_max) |
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187 tag = data.get('tag') |
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188 if tag: |
| 1216 | 189 extra['mam_filter_{}'.format(C.MAM_FILTER_CATEGORY)] = tag |
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190 |
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191 ## main data ## |
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192 # we get data from backend/XMPP here |
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193 items = yield getBlogItems(self, request, service, node, item_id, extra, profile) |
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194 |
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195 ## navigation ## |
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196 # no let's fill service, node and pagination URLs |
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197 template_data = request.template_data |
| 1216 | 198 if 'service' not in template_data: |
| 199 template_data['service'] = service | |
| 200 if 'node' not in template_data: | |
| 201 template_data['node'] = node | |
| 202 target_profile = template_data.get('target_profile') | |
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203 |
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204 if items: |
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205 if not item_id: |
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206 self.setPagination(request, items.metadata) |
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207 else: |
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208 if item_id: |
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209 # if item id has been specified in URL and it's not found, |
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210 # we must return an error |
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211 self.pageError(request, C.HTTP_NOT_FOUND) |
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212 |
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213 ## identities ## |
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214 # identities are used to show nice nickname or avatars |
| 1216 | 215 identities = template_data['identities'] = self.host.getSessionData(request, session_iface.ISATSession).identities |
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216 |
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217 ## Comments ## |
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218 # if comments are requested, we need to take them |
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219 if show_comments: |
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220 yield appendComments(self, items, identities, profile) |
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221 |
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222 ## URLs ## |
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223 # We will fill items_http_uri and tags_http_uri in template_data with suitable urls |
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224 # if we know the profile, we use it instead of service + blog (nicer url) |
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225 if target_profile is None: |
| 1216 | 226 blog_base_url_item = self.getPageByName('blog_view').getURL(service.full(), node or '@', 'id') |
| 227 blog_base_url_tag = self.getPageByName('blog_view').getURL(service.full(), node or '@', 'tag') | |
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228 else: |
| 1216 | 229 blog_base_url_item = self.getURLByNames([('user', [target_profile]), ('user_blog', ['id'])]) |
| 230 blog_base_url_tag = self.getURLByNames([('user', [target_profile]), ('user_blog', ['tag'])]) | |
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231 # we also set the background image if specified by user |
| 1216 | 232 bg_img = yield self.host.bridgeCall('asyncGetParamA', 'Background', 'Blog page', 'value', -1, template_data['target_profile']) |
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233 if bg_img: |
| 1216 | 234 template_data['dynamic_style'] = safe(""" |
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235 :root { |
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236 --bg-img: url("%s"); |
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237 } |
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238 """ % html.escape(bg_img, True)) |
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239 |
| 1216 | 240 template_data['items'] = data['items'] = items |
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241 if request.args.get(b'reverse') == ['1']: |
| 1216 | 242 template_data['items'].items.reverse() |
| 243 template_data['items_http_uri'] = items_http_uri = {} | |
| 244 template_data['tags_http_uri'] = tags_http_uri = {} | |
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245 |
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246 |
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247 for item in items: |
| 1216 | 248 blog_canonical_url = '/'.join([blog_base_url_item, utils.quote(item.id)]) |
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249 if len(blog_canonical_url) > URL_LIMIT_MARK: |
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250 blog_url = blog_canonical_url |
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251 else: |
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252 # we add text from title or body at the end of URL |
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253 # to make it more human readable |
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254 text = item.title or item.content |
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255 # we change special chars to ascii one, trick found at https://stackoverflow.com/a/3194567 |
| 1216 | 256 text = unicodedata.normalize('NFD', text).encode('ascii', 'ignore').decode('utf-8') |
| 257 text = RE_TEXT_URL.sub(' ', text).lower() | |
| 258 text = '-'.join([t for t in text.split() if t and len(t)>=TEXT_WORD_MIN_LENGHT]) | |
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259 while len(text) > TEXT_MAX_LEN: |
| 1216 | 260 if '-' in text: |
| 261 text = text.rsplit('-', 1)[0] | |
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262 else: |
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263 text = text[:TEXT_MAX_LEN] |
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264 if text: |
| 1216 | 265 blog_url = blog_canonical_url + '/' + text |
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266 else: |
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267 blog_url = blog_canonical_url |
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268 |
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269 items_http_uri[item.id] = self.host.getExtBaseURL(request, blog_url) |
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270 for tag in item.tags: |
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271 if tag not in tags_http_uri: |
| 1216 | 272 tag_url = '/'.join([blog_base_url_tag, utils.quote(tag)]) |
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273 tags_http_uri[tag] = self.host.getExtBaseURL(request, tag_url) |
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274 |
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275 # if True, page should display a comment box |
| 1216 | 276 template_data['allow_commenting'] = data.get('allow_commenting', profile_connected) |
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277 |
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278 # last but not least, we add a xmpp: link to the node |
| 1216 | 279 uri_args = {'path': service.full()} |
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280 if node: |
| 1216 | 281 uri_args['node'] = node |
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282 if item_id: |
| 1216 | 283 uri_args['item'] = item_id |
| 284 template_data['xmpp_uri'] = uri.buildXMPPUri('pubsub', subtype='microblog', **uri_args) | |
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285 |
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286 |
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287 @defer.inlineCallbacks |
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288 def on_data_post(self, request): |
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289 profile = self.getProfile(request) |
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290 if profile is None: |
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291 self.pageError(request, C.HTTP_FORBIDDEN) |
| 1216 | 292 type_ = self.getPostedData(request, 'type') |
| 293 if type_ == 'comment': | |
| 294 service, node, body = self.getPostedData(request, ('service', 'node', 'body')) | |
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295 |
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296 if not body: |
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297 self.pageError(request, C.HTTP_BAD_REQUEST) |
| 1216 | 298 comment_data = {"content": body} |
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299 try: |
| 1216 | 300 yield self.host.bridgeCall('mbSend', |
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301 service, |
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302 node, |
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303 data_format.serialise(comment_data), |
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304 profile) |
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305 except Exception as e: |
| 1216 | 306 if "forbidden" in str(e): |
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307 self.pageError(request, 401) |
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308 else: |
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309 raise e |
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310 else: |
| 1216 | 311 log.warning(_("Unhandled data type: {}").format(type_)) |