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"""
Bookmarks module
Therein the bookmark class is defined, representing one conference room.
This object is used to generate elements for both local and remote
bookmark storage. It can also parse xml Elements.
This module also defines several functions for retrieving and updating
bookmarks, both local and remote.
"""
import logging
from sys import version_info
from sleekxmpp.plugins.xep_0048 import Bookmarks, Conference
from common import safeJID
from config import config
log = logging.getLogger(__name__)
def xml_iter(xml, tag=''):
if version_info[1] >= 2:
return xml.iter(tag)
else:
return xml.getiterator(tag)
preferred = config.get('use_bookmarks_method', 'pep').lower()
if preferred not in ('pep', 'privatexml'):
preferred = 'privatexml'
not_preferred = 'privatexml' if preferred == 'pep' else 'privatexml'
methods = ('local', preferred, not_preferred)
class Bookmark(object):
possible_methods = methods
def __init__(self, jid, name=None, autojoin=False, nick=None, password=None, method='privatexml'):
self.jid = jid
self.name = name or jid
self.autojoin = autojoin
self.nick = nick
self.password = password
self._method = method
@property
def method(self):
return self._method
@method.setter
def method(self, value):
if value not in self.possible_methods:
log.debug('Could not set bookmark storing method: %s', value)
return
self._method = value
def __repr__(self):
return '<%s%s%s>' % (self.jid, ('/'+self.nick) if self.nick else '', '|autojoin' if self.autojoin else '')
def stanza(self):
"""
Generate a <conference/> stanza from the instance
"""
el = Conference()
el['name'] = self.name
el['jid'] = self.jid
el['autojoin'] = 'true' if self.autojoin else 'false'
if self.nick:
el['nick'] = self.nick
if self.password:
el['password'] = self.password
return el
def local(self):
"""Generate a str for local storage"""
local = self.jid
if self.nick:
local += '/%s' % self.nick
local += ':'
if self.password:
config.set_and_save('password', self.password, section=self.jid)
return local
@staticmethod
def parse_from_element(el, method=None):
"""
Generate a Bookmark object from a <conference/> element
"""
jid = el.get('jid')
name = el.get('name')
autojoin = True if el.get('autojoin', 'false').lower() in ('true', '1') else False
nick = None
for n in xml_iter(el, 'nick'):
nick = n.text
password = None
for p in xml_iter(el, 'password'):
password = p.text
return Bookmark(jid, name, autojoin, nick, password, method)
bookmarks = []
def get_by_jid(value):
"""
Get a bookmark by bare jid
"""
for item in bookmarks:
if item.jid == value:
return item
def remove(value):
"""
Remove a bookmark (with its jid or directly the Bookmark object).
"""
if isinstance(value, str):
value = get_by_jid(value)
bookmarks.remove(value)
def stanza_storage(method):
"""Generate a <storage/> stanza with the conference elements."""
storage = Bookmarks()
for b in (b for b in bookmark if b.method == method):
storage.append(b.stanza())
return storage
def save_pep(xmpp):
"""Save the remote bookmarks via PEP."""
xmpp.plugin['xep_0048'].set_bookmarks(stanza_storage('pep'),
method='xep_0223')
def save_privatexml(xmpp):
""""Save the remote bookmarks with privatexml."""
xmpp.plugin['xep_0048'].set_bookmarks(stanza_storage('privatexml'),
method='xep_0049')
def save_remote(xmpp, method=preferred):
"""Save the remote bookmarks."""
method = 'privatexml' if method != 'pep' else 'pep'
try:
if method is 'privatexml':
xmpp.plugin['xep_0048'].set_bookmarks(stanza_storage('privatexml'),
method='xep_0049')
else:
xmpp.plugin['xep_0048'].set_bookmarks(stanza_storage('pep'),
method='xep_0223')
except Exception:
log.error("Could not save the bookmarks:", exc_info=True)
return False
return True
def save_local():
"""Save the local bookmarks."""
local = ''.join(bookmark.local() for bookmark in bookmarks if bookmark.method is 'local')
config.set_and_save('rooms', local)
def save(xmpp, core=None):
"""Save all the bookmarks."""
save_local()
if config.get('use_remote_bookmarks', True):
preferred = config.get('use_bookmarks_method', 'privatexml')
if not save_remote(xmpp, method=preferred) and core:
core.information('Could not save bookmarks.', 'Error')
return False
elif core:
core.information('Bookmarks saved', 'Info')
return True
def get_pep(xmpp):
"""Add the remotely stored bookmarks via pep to the list."""
try:
iq = xmpp.plugin['xep_0048'].get_bookmarks(method='xep_0223', block=True)
except:
return False
for conf in xml_iter(iq.xml, '{storage:bookmarks}conference'):
b = Bookmark.parse_from_element(conf, method='pep')
if not get_by_jid(b.jid):
bookmarks.append(b)
return True
def get_privatexml(xmpp):
"""Add the remotely stored bookmarks via privatexml to the list."""
try:
iq = xmpp.plugin['xep_0048'].get_bookmarks(method='xep_0049', block=True)
except:
return False
for conf in xml_iter(iq.xml, '{storage:bookmarks}conference'):
b = Bookmark.parse_from_element(conf, method='privatexml')
if not get_by_jid(b.jid):
bookmarks.append(b)
return True
def get_remote(xmpp):
"""Add the remotely stored bookmarks to the list."""
if xmpp.anon:
return
method = config.get('use_bookmarks_method', '')
if not method:
pep, privatexml = True, True
for method in methods[1:]:
if method == 'pep':
pep = get_pep(xmpp)
else:
privatexml = get_privatexml(xmpp)
if pep and not privatexml:
config.set_and_save('use_bookmarks_method', 'pep')
elif privatexml and not pep:
config.set_and_save('use_bookmarks_method', 'privatexml')
elif not pep and not privatexml:
config.set_and_save('use_bookmarks_method', '')
else:
if method == 'pep':
get_pep(xmpp)
else:
get_privatexml(xmpp)
def get_local():
"""Add the locally stored bookmarks to the list."""
rooms = config.get('rooms', '')
if not rooms:
return
rooms = rooms.split(':')
for room in rooms:
jid = safeJID(room)
if jid.bare == '':
continue
if jid.resource != '':
nick = jid.resource
else:
nick = None
passwd = config.get_by_tabname('password', '', jid.bare, fallback=False) or None
b = Bookmark(jid.bare, autojoin=True, nick=nick, password=passwd, method='local')
if not get_by_jid(b.jid):
bookmarks.append(b)
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