diff options
Diffstat (limited to 'sleekxmpp/plugins/xep_0030/static.py')
| -rw-r--r-- | sleekxmpp/plugins/xep_0030/static.py | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/sleekxmpp/plugins/xep_0030/static.py b/sleekxmpp/plugins/xep_0030/static.py index d48b5649..0b196b40 100644 --- a/sleekxmpp/plugins/xep_0030/static.py +++ b/sleekxmpp/plugins/xep_0030/static.py @@ -51,6 +51,7 @@ class StaticDisco(object): """ self.nodes = {} self.xmpp = xmpp + self.disco = xmpp['xep_0030'] self.lock = threading.RLock() def add_node(self, jid=None, node=None, ifrom=None): @@ -119,6 +120,89 @@ class StaticDisco(object): # the requester's JID, except for cached results. To do that, # register a custom node handler. + def supports(self, jid, node, ifrom, data): + """ + Check if a JID supports a given feature. + + The data parameter may provide: + feature -- The feature to check for support. + local -- If true, then the query is for a JID/node + combination handled by this Sleek instance and + no stanzas need to be sent. + Otherwise, a disco stanza must be sent to the + remove JID to retrieve the info. + cached -- If true, then look for the disco info data from + the local cache system. If no results are found, + send the query as usual. The self.use_cache + setting must be set to true for this option to + be useful. If set to false, then the cache will + be skipped, even if a result has already been + cached. Defaults to false. + """ + feature = data.get('feature', None) + + data = {'local': data.get('local', False), + 'cached': data.get('cached', True)} + + if not feature: + return False + + try: + info = self.disco.get_info(jid=jid, node=node, + ifrom=ifrom, **data) + info = self.disco._wrap(ifrom, jid, info, True) + features = info['disco_info']['features'] + return feature in features + except IqError: + return False + except IqTimeout: + return None + + def has_identity(self, jid, node, ifrom, data): + """ + Check if a JID has a given identity. + + The data parameter may provide: + category -- The category of the identity to check. + itype -- The type of the identity to check. + lang -- The language of the identity to check. + local -- If true, then the query is for a JID/node + combination handled by this Sleek instance and + no stanzas need to be sent. + Otherwise, a disco stanza must be sent to the + remove JID to retrieve the info. + cached -- If true, then look for the disco info data from + the local cache system. If no results are found, + send the query as usual. The self.use_cache + setting must be set to true for this option to + be useful. If set to false, then the cache will + be skipped, even if a result has already been + cached. Defaults to false. + """ + identity = (data.get('category', None), + data.get('itype', None), + data.get('lang', None)) + + data = {'local': data.get('local', False), + 'cached': data.get('cached', True)} + + if node in (None, ''): + info = self.caps.get_caps(jid) + if info and identity in info['identities']: + return True + + try: + info = self.disco.get_info(jid=jid, node=node, + ifrom=ifrom, **data) + info = self.disco._wrap(ifrom, jid, info, True) + trunc = lambda i: (i[0], i[1], i[2]) + return identity in map(trunc, info['disco_info']['identities']) + except IqError: + return False + except IqTimeout: + return None + + def get_info(self, jid, node, ifrom, data): """ Return the stored info data for the requested JID/node combination. @@ -348,6 +432,9 @@ class StaticDisco(object): The data parameter is not used. """ with self.lock: + if isinstance(jid, JID): + jid = jid.full + if not self.node_exists(jid, node, ifrom): return None else: |