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annotate libervia_server/blog.py @ 375:41a386a27002

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server and browser sides: add in the static blog the link to the Atom feed + set encoding of libervia.html
author souliane <souliane@mailoo.org>
date Mon, 24 Feb 2014 22:30:01 +0100
parents d7870ab9d1ff
children 893451e35686
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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, 2012, 2013, 2014 Jérôme Poisson <goffi@goffi.org>
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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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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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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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20 from sat_frontends.tools.strings import addURLToText
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21 from libervia_server.html_tools import sanitizeHtml
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22 from twisted.internet import reactor, defer
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23 from twisted.web import server
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24 from twisted.web.resource import Resource
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25 from twisted.words.protocols.jabber.jid import JID
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26 from datetime import datetime
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27 from feed import atom
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28 from constants import Const
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31 class MicroBlog(Resource):
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32 isLeaf = True
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33
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34 ERROR_TEMPLATE = """
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35 <html>
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36 <head>
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37 <title>MICROBLOG ERROR</title>
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38 </head>
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39 <body>
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40 <h1 style='text-align: center; color: red;'>%s</h1>
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41 </body>
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42 </html>
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43 """
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44
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45 def __init__(self, host):
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46 self.host = host
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47 Resource.__init__(self)
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48 if not host.bridge.isConnected("libervia"): # FIXME: hard coded value for test
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49 host.bridge.connect("libervia")
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51 def render_GET(self, request):
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52 if not request.postpath:
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53 return MicroBlog.ERROR_TEMPLATE % "You must indicate a nickname"
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54 else:
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55 prof_requested = request.postpath[0]
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56 #TODO: char check: only use alphanumerical chars + some extra(_,-,...) here
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57 prof_found = self.host.bridge.getProfileName(prof_requested)
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58 if not prof_found or prof_found == 'libervia':
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59 return MicroBlog.ERROR_TEMPLATE % "Invalid nickname"
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60 else:
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61 def got_jid(pub_jid_s):
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62 pub_jid = JID(pub_jid_s)
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63 d2 = defer.Deferred()
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64 if len(request.postpath) > 1 and request.postpath[1] == 'atom.xml':
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65 d2.addCallbacks(self.render_atom_feed, self.render_error_blog, [request], None, [request, prof_found], None)
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66 self.host.bridge.getLastGroupBlogsAtom(pub_jid.userhost(), 10, 'libervia', d2.callback, d2.errback)
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67 else:
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68 d2.addCallbacks(self.render_html_blog, self.render_error_blog, [request, prof_found], None, [request, prof_found], None)
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69 self.host.bridge.getLastGroupBlogs(pub_jid.userhost(), 10, 'libervia', d2.callback, d2.errback)
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71 d1 = defer.Deferred()
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72 JID(self.host.bridge.asyncGetParamA('JabberID', 'Connection', 'value', Const.SERVER_SECURITY_LIMIT, prof_found, callback=d1.callback, errback=d1.errback))
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73 d1.addCallbacks(got_jid)
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75 return server.NOT_DONE_YET
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77 def render_html_blog(self, mblog_data, request, profile):
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78 user = sanitizeHtml(profile).encode('utf-8')
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79 request.write("""
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80 <html>
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81 <head>
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82 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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83 <link rel="alternate" type="application/atom+xml" href="%(user)s/atom.xml"/>
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84 <link rel="stylesheet" type="text/css" href="../css/blog.css" />
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85 <title>%(user)s's microblog</title>
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86 </head>
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87 <body>
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88 <div class='mblog_title'>%(user)s</div>
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89 """ % {'user': user})
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90 mblog_data = sorted(mblog_data, key=lambda entry: (-float(entry.get('published', 0))))
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91 for entry in mblog_data:
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92 timestamp = float(entry.get('published', 0))
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93 _datetime = datetime.fromtimestamp(timestamp)
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94
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95 def getText(key):
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96 if ('%s_xhtml' % key) in entry:
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97 return entry['%s_xhtml' % key].encode('utf-8')
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98 elif key in entry:
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99 processor = addURLToText if key.startswith('content') else sanitizeHtml
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100 return processor(entry[key]).encode('utf-8')
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101 return ''
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102
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103 body = getText('content')
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104 title = getText('title')
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105 if title:
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106 body = "<h1>%s</h1>\n%s" % (title, body)
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107 request.write("""<div class='mblog_entry'><span class='mblog_timestamp'>%(date)s</span>
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108 <span class='mblog_content'>%(content)s</span></div>""" % {
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109 'date': _datetime,
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110 'content': body})
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111 request.write('</body></html>')
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112 request.finish()
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113
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114 def render_atom_feed(self, feed, request):
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115 request.write(feed.encode('utf-8'))
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116 request.finish()
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117
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118 def render_error_blog(self, error, request, profile):
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119 request.write(MicroBlog.ERROR_TEMPLATE % "Can't access requested data")
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120 request.finish()