Changeset 9508 for trunk/src/common/helpers.py

Timestamp:

04/21/08 00:58:47 (7 months ago)

Author:

asterix

Message:

new XEP-0115 implementation (version 1.5)

Files:

• trunk/src/common/helpers.py (modified) (3 diffs)

trunk/src/common/helpers.py

@@ -31 +31 @@
 import select
 import sha
+import hashlib
+import base64
 import sys
 from encodings.punycode import punycode_encode
@@ -39 +41 @@
 from i18n import ngettext
 from xmpp_stringprep import nodeprep, resourceprep, nameprep
-
+import xmpp
 
 if sys.platform == 'darwin':
@@ -1200 +1202 @@
         return keyID
 
+def sort_identities_func(i1, i2):
+        cat1 = i1['category']
+        cat2 = i2['category']
+        if cat1 < cat2:
+                return -1
+        if cat1 > cat2:
+                return 1
+        if i1.has_key('type'):
+                type1 = i1['type']
+        else:
+                type1 = ''
+        if i2.has_key('type'):
+                type2 = i2['type']
+        else:
+                type2 = ''
+        if type1 < type2:
+                return -1
+        if type1 > type2:
+                return 1
+        if i1.has_key('xml:lang'):
+                lang1 = i1['xml:lang']
+        else:
+                lang1 = ''
+        if i2.has_key('xml:lang'):
+                lang2 = i2['xml:lang']
+        else:
+                lang2 = ''
+        if lang1 < lang2:
+                return -1
+        if lang1 > lang2:
+                return 1
+        return 0
+
+def compute_caps_hash(identities, features, hash_method='sha-1'):
+        S = ''
+        identities.sort(cmp=sort_identities_func)
+        for i in identities:
+                c = i['category']
+                if i.has_key('type'):
+                        type_ = i['type']
+                else:
+                        type_ = ''
+                if i.has_key('xml:lang'):
+                        lang = i['xml:lang']
+                else:
+                        lang = ''
+                if i.has_key('name'):
+                        name = i['name']
+                else:
+                        name = ''
+                S += '%s/%s/%s/%s<' % (c, type_, lang, name)
+        features.sort()
+        for f in features:
+                S += '%s<' % f
+        if hash_method == 'sha-1':
+                hash = hashlib.sha1(S)
+        elif hash_method == 'md5':
+                hash = hashlib.md5(S)
+        else:
+                return ''
+        return base64.b64encode(hash.digest())
+
+def update_optional_features():
+        gajim.gajim_optional_features = []
+        if gajim.config.get('publish_mood'):
+                gajim.gajim_optional_features.append(xmpp.NS_MOOD)
+        if gajim.config.get('subscribe_mood'):
+                gajim.gajim_optional_features.append(xmpp.NS_MOOD + '+notify')
+        if gajim.config.get('publish_activity'):
+                gajim.gajim_optional_features.append(xmpp.NS_ACTIVITY)
+        if gajim.config.get('subscribe_activity'):
+                gajim.gajim_optional_features.append(xmpp.NS_ACTIVITY + '+notify')
+        if gajim.config.get('publish_tune'):
+                gajim.gajim_optional_features.append(xmpp.NS_TUNE)
+        if gajim.config.get('subscribe_tune'):
+                gajim.gajim_optional_features.append(xmpp.NS_TUNE + '+notify')
+        if gajim.config.get('outgoing_chat_state_notifactions') != 'disabled':
+                gajim.gajim_optional_features.append(xmpp.NS_CHATSTATES)
+        if not gajim.config.get('ignore_incoming_xhtml'):
+                gajim.gajim_optional_features.append(xmpp.NS_XHTML_IM)
+        if gajim.HAVE_PYCRYPTO:
+                gajim.gajim_optional_features.append(xmpp.NS_ESESSION_INIT)
+        gajim.caps_hash = compute_caps_hash([gajim.gajim_identity],
+                gajim.gajim_common_features + gajim.gajim_optional_features)
+        # re-send presence with new hash
+        for account in gajim.connections:
+                connected = gajim.connections[account].connected
+                if connected > 1 and gajim.SHOW_LIST[connected] != 'invisible':
+                        gajim.connections[account].change_status(gajim.SHOW_LIST[connected],
+                                gajim.connections[account].status)