annotate libervia.tac @ 20:8f4b1a8914c3

- User status is now updated - by default, the uniBar target the status - clicking on user's status unselect the selected widget
author Goffi <goffi@goffi.org>
date Sat, 16 Apr 2011 18:06:02 +0200
parents e8e3704eb97f
children 28e203f13144
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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 """
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5 Libervia: a Salut à Toi frontend
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6 Copyright (C) 2011 Jérôme Poisson (goffi@goffi.org)
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7
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8 This program is free software: you can redistribute it and/or modify
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9 it under the terms of the GNU Affero General Public License as published by
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10 the Free Software Foundation, either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 This program is distributed in the hope that it will be useful,
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14 but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU Affero General Public License for more details.
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17
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18 You should have received a copy of the GNU Affero General Public License
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19 along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 """
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21
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22 from twisted.application import internet, service
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23 from twisted.internet import glib2reactor
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24 glib2reactor.install()
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25 from twisted.internet import reactor, defer
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26
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27 from twisted.web import server
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28 from twisted.web import error as weberror
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29 from twisted.web.static import File
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30 from twisted.web.resource import Resource
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31 from twisted.words.protocols.jabber.jid import JID
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32 from txjsonrpc.web import jsonrpc
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33 from txjsonrpc import jsonrpclib
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34 from sat_frontends.bridge.DBus import DBusBridgeFrontend,BridgeExceptionNoService
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35 import re
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36 from server_side.blog import MicroBlog
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37
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38 TIMEOUT = 120 #Session's time out, after that the user will be disconnected
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39
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40
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41 class MethodHandler(jsonrpc.JSONRPC):
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42
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43 def __init__(self, sat_host):
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44 jsonrpc.JSONRPC.__init__(self)
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45 self.sat_host=sat_host
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46
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47 def render(self, request):
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48 self.session = request.getSession()
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49 try:
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50 profile = self.session.sat_profile
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51 except AttributeError:
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52 #user is not identified, we return a jsonrpc fault
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53 parsed = jsonrpclib.loads(request.content.read())
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54 fault = jsonrpclib.Fault(0, "Not allowed") #FIXME: define some standard error codes for libervia
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55 return jsonrpc.JSONRPC._cbRender(self, fault, request, parsed.get('id'), parsed.get('jsonrpc'))
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56 return jsonrpc.JSONRPC.render(self, request)
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57
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58 def jsonrpc_getProfileJid(self):
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59 """Return the jid of the profile"""
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60 profile = self.session.sat_profile
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61 self.session.sat_jid = self.sat_host.bridge.getParamA("JabberID", "Connection", profile_key=profile)
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62 return self.session.sat_jid
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63
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64 def jsonrpc_getContacts(self):
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65 """Return all passed args."""
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66 profile = self.session.sat_profile
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67 return self.sat_host.bridge.getContacts(profile)
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68
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69 def jsonrpc_setStatus(self, status):
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70 """Change the status"""
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71 profile = self.session.sat_profile
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72 print "new status received:", status
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73 self.sat_host.bridge.setPresence('', '', 0, {'':status}, profile)
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74
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75
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76 def jsonrpc_sendMessage(self, to_jid, msg, subject, type):
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77 """send message"""
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78 profile = self.session.sat_profile
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79 return self.sat_host.bridge.sendMessage(to_jid, msg, subject, type, profile)
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80
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81 def jsonrpc_sendMblog(self, raw_text):
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82 """Parse raw_text of the microblog box, and send message consequently"""
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83 profile = self.session.sat_profile
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84 match = re.match(r'@(.+?): *(.*$)', raw_text)
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85 if match:
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86 recip = match.group(1)
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87 text = match.group(2)
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88 if recip == '@' and text:
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89 #This text if for the public microblog
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90 print "Sending message to everybody"
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91 return self.sat_host.bridge.sendPersonalEvent("MICROBLOG", {'content':text}, profile)
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92 else:
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93 return self.sat_host.bridge.sendGroupBlog([recip], text, profile)
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94
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95 def jsonrpc_getPresenceStatus(self):
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96 """Get Presence information for connected contacts"""
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97 profile = self.session.sat_profile
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98 return self.sat_host.bridge.getPresenceStatus(profile)
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99
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100 def jsonrpc_getHistory(self, from_jid, to_jid, size):
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101 """Return history for the from_jid/to_jid couple"""
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102 #FIXME: this method should definitely be asynchrone, need to fix it !!!
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103 profile = self.session.sat_profile
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104 try:
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105 _jid = JID(self.session.sat_jid)
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106 except:
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107 error("No jid saved for this profile")
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108 return {}
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109 if JID(from_jid).userhost() != _jid.userhost() and JID(to_jid) != _jid.userhost():
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110 error("Trying to get history from a different jid, maybe a hack attempt ?")
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111 return {}
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112 return self.sat_host.bridge.getHistory(from_jid, to_jid, size)
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113
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114
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115
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116 class Register(jsonrpc.JSONRPC):
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117 """This class manage the registration procedure with SàT
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118 It provide an api for the browser, check password and setup the web server"""
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119
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120 def __init__(self, sat_host):
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121 jsonrpc.JSONRPC.__init__(self)
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122 self.sat_host=sat_host
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123 self.profiles_waiting={}
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124 self.request=None
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125
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126 def getWaitingRequest(self, profile):
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127 """Tell if a profile is trying to log in"""
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128 if self.profiles_waiting.has_key(profile):
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129 return self.profiles_waiting[profile]
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130 else:
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131 return None
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132
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133 def _fillMblogNodes(self, result, session):
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134 """Fill the microblog nodes association for this session"""
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135 print "Filling session for %s with %s" % (session.sat_profile, result)
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136 session.sat_mblog_nodes = dict(result)
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137
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138 def render(self, request):
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139 """
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140 Render method with some hacks:
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141 - if login is requested, try to login with form data
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142 - except login, every method is jsonrpc
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143 - user doesn't need to be authentified for isRegistered, but must be for all other methods
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144 """
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145 if request.postpath==['login']:
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146 return self.login(request)
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147 _session = request.getSession()
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148 parsed = jsonrpclib.loads(request.content.read())
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149 if parsed.get("method")!="isRegistered":
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150 #if we don't call login or isRegistered, we need to be identified
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151 try:
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152 profile = _session.sat_profile
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153 except AttributeError:
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154 #user is not identified, we return a jsonrpc fault
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155 fault = jsonrpclib.Fault(0, "Not allowed") #FIXME: define some standard error codes for libervia
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156 return jsonrpc.JSONRPC._cbRender(self, fault, request, parsed.get('id'), parsed.get('jsonrpc'))
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157 self.request = request
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158 return jsonrpc.JSONRPC.render(self, request)
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159
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160 def login(self, request):
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161 """
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162 this method is called with the POST information from the registering form
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163 it test if the password is ok, and log in if it's the case,
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164 else it return an error
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165 @param request: request of the register formulaire, must have "login" and "password" as arguments
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166 @return: A constant indicating the state:
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167 - BAD REQUEST: something is wrong in the request (bad arguments, profile_key for login)
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168 - AUTH ERROR: either the profile or the password is wrong
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169 - ALREADY WAITING: a request has already be made for this profile
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170 - server.NOT_DONE_YET: the profile is being processed, the return value will be given by self._logged or self._logginError
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171 """
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172 try:
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173 _login = request.args['login'][0]
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174 if _login.startswith('@'):
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175 raise Exception('No profile_key allowed')
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176 _pass = request.args['password'][0]
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177 except KeyError:
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178 return "BAD REQUEST"
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179
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180 _profile_check = self.sat_host.bridge.getProfileName(_login)
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181 _profile_pass = self.sat_host.bridge.getParamA("Password", "Connection", profile_key=_login)
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182
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183 if not _profile_check or _profile_check != _login or _profile_pass != _pass:
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184 return "AUTH ERROR"
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185
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186 if self.profiles_waiting.has_key(_login):
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187 return "ALREADY WAITING"
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188
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189 if self.sat_host.bridge.isConnected(_login):
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190 return self._logged(_login, request, finish=False)
0
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191
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192 self.profiles_waiting[_login] = request
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193 self.sat_host.bridge.connect(_login)
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194 return server.NOT_DONE_YET
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195
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196 def __cleanWaiting(self, login):
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197 """Remove login from waiting queue"""
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198 try:
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199 del self.profiles_waiting[login]
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200 except KeyError:
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201 pass
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202
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203 def _logged(self, profile, request, finish=True):
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204 """Set everything when a user just logged
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205 and return "LOGGED" to the requester"""
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206 self.__cleanWaiting(profile)
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207 _session = request.getSession()
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208 _session.sat_profile = profile
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209 d = defer.Deferred()
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210 self.sat_host.bridge.getMblogNodes(profile, d.callback, d.errback)
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211 d.addCallback(self._fillMblogNodes, _session)
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212 if finish:
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213 request.write('LOGGED')
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214 request.finish()
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215 else:
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216 return "LOGGED"
0
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217
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218 def _logginError(self, login, request, error_type):
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219 """Something went wrong during loggin, return an error"""
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220 self.__cleanWaiting(login)
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221 return error_type
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222
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223 def jsonrpc_isConnected(self):
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224 _session = self.request.getSession()
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225 profile = _session.sat_profile
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226 return self.sat_host.bridge.isConnected(profile)
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227
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228 def jsonrpc_connect(self):
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229 _session = self.request.getSession()
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230 profile = _session.sat_profile
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231 if self.profiles_waiting.has_key(profile):
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232 raise jsonrpclib.Fault('1','Already waiting') #FIXME: define some standard error codes for libervia
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233 self.profiles_waiting[profile] = self.request
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234 self.sat_host.bridge.connect(profile)
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235 return server.NOT_DONE_YET
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236
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237 def jsonrpc_isRegistered(self):
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238 """Tell if the user is already registered"""
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239 _session = self.request.getSession()
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240 try:
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241 profile = _session.sat_profile
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parents:
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242 except AttributeError:
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243 return False
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244 return True
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245
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246 class SignalHandler(jsonrpc.JSONRPC):
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247
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248 def __init__(self, sat_host):
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249 Resource.__init__(self)
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250 self.register=None
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251 self.sat_host=sat_host
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diff changeset
252 self.signalDeferred = {}
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diff changeset
253
0
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254 def plugRegister(self, register):
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255 self.register = register
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diff changeset
256
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257 def jsonrpc_getSignals(self):
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258 """Keep the connection alive until a signal is received, then send it
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259 @return: (signal, *signal_args)"""
3
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diff changeset
260 _session = self.request.getSession()
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261 profile = _session.sat_profile
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262 self.signalDeferred[profile] = defer.Deferred()
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263 return self.signalDeferred[profile]
2
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diff changeset
264
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diff changeset
265 def getGenericCb(self, function_name):
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266 """Return a generic function which send all params to signalDeferred.callback
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267 function must have profile as last argument"""
2
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268 def genericCb(*args):
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269 profile = args[-1]
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diff changeset
270 if profile in self.signalDeferred:
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271 self.signalDeferred[profile].callback((function_name,args[:-1]))
2
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diff changeset
272 else:
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273 print("Warning: signal [%s] can't be sent" % function_name)
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274 return genericCb
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diff changeset
275
0
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276 def connected(self, profile):
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277 assert(self.register) #register must be plugged
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278 request = self.register.getWaitingRequest(profile)
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279 if request:
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280 self.register._logged(profile, request)
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281
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282 def connectionError(self, error_type, profile):
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283 assert(self.register) #register must be plugged
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284 request = self.register.getWaitingRequest(profile)
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285 if request: #The user is trying to log in
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286 if error_type == "AUTH_ERROR":
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287 _error_t = "AUTH ERROR"
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288 else:
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289 _error_t = "UNKNOWN"
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290 self.register._logginError(profile, request, _error_t)
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291
2
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292 def render(self, request):
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293 """
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294 Render method wich reject access if user is not identified
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295 """
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296 _session = request.getSession()
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297 parsed = jsonrpclib.loads(request.content.read())
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298 try:
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299 profile = _session.sat_profile
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parents: 1
diff changeset
300 except AttributeError:
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301 #user is not identified, we return a jsonrpc fault
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302 fault = jsonrpclib.Fault(0, "Not allowed") #FIXME: define some standard error codes for libervia
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303 return jsonrpc.JSONRPC._cbRender(self, fault, request, parsed.get('id'), parsed.get('jsonrpc'))
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304 self.request = request
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305 return jsonrpc.JSONRPC.render(self, request)
0
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306
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307
0
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308 class Libervia(service.Service):
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309
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310 def __init__(self):
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311 root = File("output/")
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312 self.signal_handler = SignalHandler(self)
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313 _register = Register(self)
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314 self.signal_handler.plugRegister(_register)
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315 self.sessions = {} #key = session value = user
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316 ## bridge ##
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317 try:
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318 self.bridge=DBusBridgeFrontend()
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319 except BridgeExceptionNoService:
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320 print(u"Can't connect to SàT backend, are you sure it's launched ?")
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321 import sys
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322 sys.exit(1)
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323 self.bridge.register("connected", self.signal_handler.connected)
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324 self.bridge.register("connectionError", self.signal_handler.connectionError)
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325 for signal_name in ['presenceUpdate', 'personalEvent', 'newMessage', 'presenceUpdate']:
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326 self.bridge.register(signal_name, self.signal_handler.getGenericCb(signal_name))
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327 root.putChild('json_signal_api', self.signal_handler)
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328 root.putChild('json_api', MethodHandler(self))
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329 root.putChild('register_api', _register)
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330 root.putChild('blog', MicroBlog(self))
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331 root.putChild('css', File("server_css/"))
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332 self.site = server.Site(root)
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333
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334 def startService(self):
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335 reactor.listenTCP(8080, self.site)
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336
0
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337 def run(self):
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338 reactor.run()
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339
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340 def stop(self):
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341 reactor.stop()
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342
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343
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344
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345 application = service.Application('Libervia')
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346 service = Libervia()
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347 service.setServiceParent(application)