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gajim-plural/src/common/logger.py

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# -*- coding:utf-8 -*-
## src/common/logger.py
##
## Copyright (C) 2003-2010 Yann Leboulanger <asterix AT lagaule.org>
## Copyright (C) 2004-2005 Vincent Hanquez <tab AT snarc.org>
## Copyright (C) 2005-2006 Nikos Kouremenos <kourem AT gmail.com>
## Copyright (C) 2006 Dimitur Kirov <dkirov AT gmail.com>
## Copyright (C) 2006-2008 Jean-Marie Traissard <jim AT lapin.org>
## Copyright (C) 2007 Tomasz Melcer <liori AT exroot.org>
## Julien Pivotto <roidelapluie AT gmail.com>
##
## This file is part of Gajim.
##
## Gajim is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published
## by the Free Software Foundation; version 3 only.
##
## Gajim is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
##
"""
This module allows to access the on-disk database of logs
"""
import os
import sys
import time
import datetime
from gzip import GzipFile
from cStringIO import StringIO
import exceptions
import gajim
import sqlite3 as sqlite
import configpaths
LOG_DB_PATH = configpaths.gajimpaths['LOG_DB']
LOG_DB_FOLDER, LOG_DB_FILE = os.path.split(LOG_DB_PATH)
CACHE_DB_PATH = configpaths.gajimpaths['CACHE_DB']
class Constants:
def __init__(self):
(
self.JID_NORMAL_TYPE,
self.JID_ROOM_TYPE
) = range(2)
(
self.KIND_STATUS,
self.KIND_GCSTATUS,
self.KIND_GC_MSG,
self.KIND_SINGLE_MSG_RECV,
self.KIND_CHAT_MSG_RECV,
self.KIND_SINGLE_MSG_SENT,
self.KIND_CHAT_MSG_SENT,
self.KIND_ERROR
) = range(8)
(
self.SHOW_ONLINE,
self.SHOW_CHAT,
self.SHOW_AWAY,
self.SHOW_XA,
self.SHOW_DND,
self.SHOW_OFFLINE
) = range(6)
(
self.TYPE_AIM,
self.TYPE_GG,
self.TYPE_HTTP_WS,
self.TYPE_ICQ,
self.TYPE_MSN,
self.TYPE_QQ,
self.TYPE_SMS,
self.TYPE_SMTP,
self.TYPE_TLEN,
self.TYPE_YAHOO,
self.TYPE_NEWMAIL,
self.TYPE_RSS,
self.TYPE_WEATHER,
self.TYPE_MRIM,
) = range(14)
(
self.SUBSCRIPTION_NONE,
self.SUBSCRIPTION_TO,
self.SUBSCRIPTION_FROM,
self.SUBSCRIPTION_BOTH,
) = range(4)
constants = Constants()
class Logger:
def __init__(self):
self.jids_already_in = [] # holds jids that we already have in DB
self.con = None
if not os.path.exists(LOG_DB_PATH):
# this can happen only the first time (the time we create the db)
# db is not created here but in src/common/checks_paths.py
return
self.init_vars()
if not os.path.exists(CACHE_DB_PATH):
# this can happen cache database is not present when gajim is launched
# db will be created in src/common/checks_paths.py
return
self.attach_cache_database()
def close_db(self):
if self.con:
self.con.close()
self.con = None
self.cur = None
def open_db(self):
self.close_db()
# FIXME: sqlite3_open wants UTF8 strings. So a path with
# non-ascii chars doesn't work. See #2812 and
# http://lists.initd.org/pipermail/pysqlite/2005-August/000134.html
back = os.getcwd()
os.chdir(LOG_DB_FOLDER)
# if locked, wait up to 20 sec to unlock
# before raise (hopefully should be enough)
self.con = sqlite.connect(LOG_DB_FILE, timeout=20.0,
isolation_level='IMMEDIATE')
os.chdir(back)
self.cur = self.con.cursor()
self.set_synchronous(False)
def attach_cache_database(self):
try:
self.cur.execute("ATTACH DATABASE '%s' AS cache" % CACHE_DB_PATH)
except sqlite.Error, e:
gajim.log.debug("Failed to attach cache database: %s" % str(e))
def set_synchronous(self, sync):
try:
if sync:
self.cur.execute("PRAGMA synchronous = NORMAL")
else:
self.cur.execute("PRAGMA synchronous = OFF")
except sqlite.Error, e:
gajim.log.debug("Failed to set_synchronous(%s): %s" % (sync, str(e)))
def init_vars(self):
self.open_db()
self.get_jids_already_in_db()
def simple_commit(self, sql_to_commit):
"""
Helper to commit
"""
self.cur.execute(sql_to_commit)
try:
self.con.commit()
except sqlite.OperationalError, e:
print >> sys.stderr, str(e)
def get_jids_already_in_db(self):
try:
self.cur.execute('SELECT jid FROM jids')
# list of tupples: [(u'aaa@bbb',), (u'cc@dd',)]
rows = self.cur.fetchall()
except sqlite.DatabaseError:
raise exceptions.DatabaseMalformed
self.jids_already_in = []
for row in rows:
# row[0] is first item of row (the only result here, the jid)
if row[0] == '':
# malformed jid, ignore line
pass
else:
self.jids_already_in.append(row[0])
def get_jids_in_db(self):
return self.jids_already_in
def jid_is_from_pm(self, jid):
"""
If jid is gajim@conf/nkour it's likely a pm one, how we know gajim@conf
is not a normal guy and nkour is not his resource? we ask if gajim@conf
is already in jids (with type room jid) this fails if user disables
logging for room and only enables for pm (so higly unlikely) and if we
fail we do not go chaos (user will see the first pm as if it was message
in room's public chat) and after that all okay
"""
if jid.find('/') > -1:
possible_room_jid = jid.split('/', 1)[0]
return self.jid_is_room_jid(possible_room_jid)
else:
# it's not a full jid, so it's not a pm one
return False
def jid_is_room_jid(self, jid):
self.cur.execute('SELECT jid_id FROM jids WHERE jid=? AND type=?',
(jid, constants.JID_ROOM_TYPE))
row = self.cur.fetchone()
if row is None:
return False
else:
return True
def get_jid_id(self, jid, typestr=None):
"""
jids table has jid and jid_id logs table has log_id, jid_id,
contact_name, time, kind, show, message so to ask logs we need jid_id
that matches our jid in jids table this method wants jid and returns the
jid_id for later sql-ing on logs typestr can be 'ROOM' or anything else
depending on the type of JID and is only needed to be specified when the
JID is new in DB
"""
if jid.find('/') != -1: # if it has a /
jid_is_from_pm = self.jid_is_from_pm(jid)
if not jid_is_from_pm: # it's normal jid with resource
jid = jid.split('/', 1)[0] # remove the resource
if jid in self.jids_already_in: # we already have jids in DB
self.cur.execute('SELECT jid_id FROM jids WHERE jid=?', [jid])
row = self.cur.fetchone()
if row:
return row[0]
# oh! a new jid :), we add it now
if typestr == 'ROOM':
typ = constants.JID_ROOM_TYPE
else:
typ = constants.JID_NORMAL_TYPE
try:
self.cur.execute('INSERT INTO jids (jid, type) VALUES (?, ?)', (jid,
typ))
self.con.commit()
except sqlite.IntegrityError, e:
# Jid already in DB, maybe added by another instance. re-read DB
self.get_jids_already_in_db()
return self.get_jid_id(jid, typestr)
except sqlite.OperationalError, e:
raise exceptions.PysqliteOperationalError(str(e))
jid_id = self.cur.lastrowid
self.jids_already_in.append(jid)
return jid_id
def convert_human_values_to_db_api_values(self, kind, show):
"""
Convert from string style to constant ints for db
"""
if kind == 'status':
kind_col = constants.KIND_STATUS
elif kind == 'gcstatus':
kind_col = constants.KIND_GCSTATUS
elif kind == 'gc_msg':
kind_col = constants.KIND_GC_MSG
elif kind == 'single_msg_recv':
kind_col = constants.KIND_SINGLE_MSG_RECV
elif kind == 'single_msg_sent':
kind_col = constants.KIND_SINGLE_MSG_SENT
elif kind == 'chat_msg_recv':
kind_col = constants.KIND_CHAT_MSG_RECV
elif kind == 'chat_msg_sent':
kind_col = constants.KIND_CHAT_MSG_SENT
elif kind == 'error':
kind_col = constants.KIND_ERROR
if show == 'online':
show_col = constants.SHOW_ONLINE
elif show == 'chat':
show_col = constants.SHOW_CHAT
elif show == 'away':
show_col = constants.SHOW_AWAY
elif show == 'xa':
show_col = constants.SHOW_XA
elif show == 'dnd':
show_col = constants.SHOW_DND
elif show == 'offline':
show_col = constants.SHOW_OFFLINE
elif show is None:
show_col = None
else: # invisible in GC when someone goes invisible
# it's a RFC violation .... but we should not crash
show_col = 'UNKNOWN'
return kind_col, show_col
def convert_human_transport_type_to_db_api_values(self, type_):
"""
Convert from string style to constant ints for db
"""
if type_ == 'aim':
return constants.TYPE_AIM
if type_ == 'gadu-gadu':
return constants.TYPE_GG
if type_ == 'http-ws':
return constants.TYPE_HTTP_WS
if type_ == 'icq':
return constants.TYPE_ICQ
if type_ == 'msn':
return constants.TYPE_MSN
if type_ == 'qq':
return constants.TYPE_QQ
if type_ == 'sms':
return constants.TYPE_SMS
if type_ == 'smtp':
return constants.TYPE_SMTP
if type_ in ('tlen', 'x-tlen'):
return constants.TYPE_TLEN
if type_ == 'yahoo':
return constants.TYPE_YAHOO
if type_ == 'newmail':
return constants.TYPE_NEWMAIL
if type_ == 'rss':
return constants.TYPE_RSS
if type_ == 'weather':
return constants.TYPE_WEATHER
if type_ == 'mrim':
return constants.TYPE_MRIM
return None
def convert_api_values_to_human_transport_type(self, type_id):
"""
Convert from constant ints for db to string style
"""
if type_id == constants.TYPE_AIM:
return 'aim'
if type_id == constants.TYPE_GG:
return 'gadu-gadu'
if type_id == constants.TYPE_HTTP_WS:
return 'http-ws'
if type_id == constants.TYPE_ICQ:
return 'icq'
if type_id == constants.TYPE_MSN:
return 'msn'
if type_id == constants.TYPE_QQ:
return 'qq'
if type_id == constants.TYPE_SMS:
return 'sms'
if type_id == constants.TYPE_SMTP:
return 'smtp'
if type_id == constants.TYPE_TLEN:
return 'tlen'
if type_id == constants.TYPE_YAHOO:
return 'yahoo'
if type_id == constants.TYPE_NEWMAIL:
return 'newmail'
if type_id == constants.TYPE_RSS:
return 'rss'
if type_id == constants.TYPE_WEATHER:
return 'weather'
if type_id == constants.TYPE_MRIM:
return 'mrim'
def convert_human_subscription_values_to_db_api_values(self, sub):
"""
Convert from string style to constant ints for db
"""
if sub == 'none':
return constants.SUBSCRIPTION_NONE
if sub == 'to':
return constants.SUBSCRIPTION_TO
if sub == 'from':
return constants.SUBSCRIPTION_FROM
if sub == 'both':
return constants.SUBSCRIPTION_BOTH
def convert_db_api_values_to_human_subscription_values(self, sub):
"""
Convert from constant ints for db to string style
"""
if sub == constants.SUBSCRIPTION_NONE:
return 'none'
if sub == constants.SUBSCRIPTION_TO:
return 'to'
if sub == constants.SUBSCRIPTION_FROM:
return 'from'
if sub == constants.SUBSCRIPTION_BOTH:
return 'both'
def commit_to_db(self, values, write_unread=False):
sql = '''INSERT INTO logs (jid_id, contact_name, time, kind, show,
message, subject) VALUES (?, ?, ?, ?, ?, ?, ?)'''
try:
self.cur.execute(sql, values)
except sqlite.DatabaseError:
raise exceptions.DatabaseMalformed
except sqlite.OperationalError, e:
raise exceptions.PysqliteOperationalError(str(e))
message_id = None
try:
self.con.commit()
if write_unread:
message_id = self.cur.lastrowid
except sqlite.OperationalError, e:
print >> sys.stderr, str(e)
if message_id:
self.insert_unread_events(message_id, values[0])
return message_id
def insert_unread_events(self, message_id, jid_id):
"""
Add unread message with id: message_id
"""
sql = 'INSERT INTO unread_messages VALUES (%d, %d, 0)' % (message_id,
jid_id)
self.simple_commit(sql)
def set_read_messages(self, message_ids):
"""
Mark all messages with ids in message_ids as read
"""
ids = ','.join([str(i) for i in message_ids])
sql = 'DELETE FROM unread_messages WHERE message_id IN (%s)' % ids
self.simple_commit(sql)
def set_shown_unread_msgs(self, msg_id):
"""
Mark unread message as shown un GUI
"""
sql = 'UPDATE unread_messages SET shown = 1 where message_id = %s' % \
msg_id
self.simple_commit(sql)
def reset_shown_unread_messages(self):
"""
Set shown field to False in unread_messages table
"""
sql = 'UPDATE unread_messages SET shown = 0'
self.simple_commit(sql)
def get_unread_msgs(self):
"""
Get all unread messages
"""
all_messages = []
try:
self.cur.execute(
'SELECT message_id, shown from unread_messages')
results = self.cur.fetchall()
except Exception:
pass
for message in results:
msg_id = message[0]
shown = message[1]
# here we get infos for that message, and related jid from jids table
# do NOT change order of SELECTed things, unless you change function(s)
# that called this function
self.cur.execute('''
SELECT logs.log_line_id, logs.message, logs.time, logs.subject,
jids.jid
FROM logs, jids
WHERE logs.log_line_id = %d AND logs.jid_id = jids.jid_id
''' % msg_id
)
results = self.cur.fetchall()
if len(results) == 0:
# Log line is no more in logs table. remove it from unread_messages
self.set_read_messages([msg_id])
continue
all_messages.append(results[0] + (shown,))
return all_messages
def write(self, kind, jid, message=None, show=None, tim=None, subject=None):
"""
Write a row (status, gcstatus, message etc) to logs database
kind can be status, gcstatus, gc_msg, (we only recv for those 3),
single_msg_recv, chat_msg_recv, chat_msg_sent, single_msg_sent we cannot
know if it is pm or normal chat message, we try to guess see
jid_is_from_pm()
We analyze jid and store it as follows:
jids.jid text column will hold JID if TC-related, room_jid if GC-related,
ROOM_JID/nick if pm-related.
"""
if self.jids_already_in == []: # only happens if we just created the db
self.open_db()
contact_name_col = None # holds nickname for kinds gcstatus, gc_msg
# message holds the message unless kind is status or gcstatus,
# then it holds status message
message_col = message
subject_col = subject
if tim:
time_col = int(float(time.mktime(tim)))
else:
time_col = int(float(time.time()))
kind_col, show_col = self.convert_human_values_to_db_api_values(kind,
show)
write_unread = False
# now we may have need to do extra care for some values in columns
if kind == 'status': # we store (not None) time, jid, show, msg
# status for roster items
try:
jid_id = self.get_jid_id(jid)
except exceptions.PysqliteOperationalError, e:
raise exceptions.PysqliteOperationalError(str(e))
if show is None: # show is None (xmpp), but we say that 'online'
show_col = constants.SHOW_ONLINE
elif kind == 'gcstatus':
# status in ROOM (for pm status see status)
if show is None: # show is None (xmpp), but we say that 'online'
show_col = constants.SHOW_ONLINE
jid, nick = jid.split('/', 1)
try:
# re-get jid_id for the new jid
jid_id = self.get_jid_id(jid, 'ROOM')
except exceptions.PysqliteOperationalError, e:
raise exceptions.PysqliteOperationalError(str(e))
contact_name_col = nick
elif kind == 'gc_msg':
if jid.find('/') != -1: # if it has a /
jid, nick = jid.split('/', 1)
else:
# it's server message f.e. error message
# when user tries to ban someone but he's not allowed to
nick = None
try:
# re-get jid_id for the new jid
jid_id = self.get_jid_id(jid, 'ROOM')
except exceptions.PysqliteOperationalError, e:
raise exceptions.PysqliteOperationalError(str(e))
contact_name_col = nick
else:
try:
jid_id = self.get_jid_id(jid)
except exceptions.PysqliteOperationalError, e:
raise exceptions.PysqliteOperationalError(str(e))
if kind == 'chat_msg_recv':
if not self.jid_is_from_pm(jid):
# Save in unread table only if it's not a pm
write_unread = True
if show_col == 'UNKNOWN': # unknown show, do not log
return
values = (jid_id, contact_name_col, time_col, kind_col, show_col,
message_col, subject_col)
return self.commit_to_db(values, write_unread)
def get_last_conversation_lines(self, jid, restore_how_many_rows,
pending_how_many, timeout, account):
"""
Accept how many rows to restore and when to time them out (in minutes)
(mark them as too old) and number of messages that are in queue and are
already logged but pending to be viewed, returns a list of tupples
containg time, kind, message, list with empty tupple if nothing found to
meet our demands
"""
try:
self.get_jid_id(jid)
except exceptions.PysqliteOperationalError, e:
# Error trying to create a new jid_id. This means there is no log
return []
where_sql = self._build_contact_where(account, jid)
now = int(float(time.time()))
timed_out = now - (timeout * 60) # before that they are too old
# so if we ask last 5 lines and we have 2 pending we get
# 3 - 8 (we avoid the last 2 lines but we still return 5 asked)
try:
self.cur.execute('''
SELECT time, kind, message FROM logs
WHERE (%s) AND kind IN (%d, %d, %d, %d, %d) AND time > %d
ORDER BY time DESC LIMIT %d OFFSET %d
''' % (where_sql, constants.KIND_SINGLE_MSG_RECV,
constants.KIND_CHAT_MSG_RECV, constants.KIND_SINGLE_MSG_SENT,
constants.KIND_CHAT_MSG_SENT, constants.KIND_ERROR,
timed_out, restore_how_many_rows, pending_how_many)
)
results = self.cur.fetchall()
except sqlite.DatabaseError:
raise exceptions.DatabaseMalformed
results.reverse()
return results
def get_unix_time_from_date(self, year, month, day):
# year (fe 2005), month (fe 11), day (fe 25)
# returns time in seconds for the second that starts that date since epoch
# gimme unixtime from year month day:
d = datetime.date(year, month, day)
local_time = d.timetuple() # time tupple (compat with time.localtime())
# we have time since epoch baby :)
start_of_day = int(time.mktime(local_time))
return start_of_day
def get_conversation_for_date(self, jid, year, month, day, account):
"""
Return contact_name, time, kind, show, message, subject
For each row in a list of tupples, returns list with empty tupple if we
found nothing to meet our demands
"""
try:
self.get_jid_id(jid)
except exceptions.PysqliteOperationalError, e:
# Error trying to create a new jid_id. This means there is no log
return []
where_sql = self._build_contact_where(account, jid)
start_of_day = self.get_unix_time_from_date(year, month, day)
seconds_in_a_day = 86400 # 60 * 60 * 24
last_second_of_day = start_of_day + seconds_in_a_day - 1
self.cur.execute('''
SELECT contact_name, time, kind, show, message, subject FROM logs
WHERE (%s)
AND time BETWEEN %d AND %d
ORDER BY time
''' % (where_sql, start_of_day, last_second_of_day))
results = self.cur.fetchall()
return results
def get_search_results_for_query(self, jid, query, account):
"""
Returns contact_name, time, kind, show, message
For each row in a list of tupples, returns list with empty tupple if we
found nothing to meet our demands
"""
try:
self.get_jid_id(jid)
except exceptions.PysqliteOperationalError, e:
# Error trying to create a new jid_id. This means there is no log
return []
if False: # query.startswith('SELECT '): # it's SQL query (FIXME)
try:
self.cur.execute(query)
except sqlite.OperationalError, e:
results = [('', '', '', '', str(e))]
return results
else: # user just typed something, we search in message column
where_sql = self._build_contact_where(account, jid)
like_sql = '%' + query.replace("'", "''") + '%'
self.cur.execute('''
SELECT contact_name, time, kind, show, message, subject FROM logs
WHERE (%s) AND message LIKE '%s'
ORDER BY time
''' % (where_sql, like_sql))
results = self.cur.fetchall()
return results
def get_days_with_logs(self, jid, year, month, max_day, account):
"""
Return the list of days that have logs (not status messages)
"""
try:
self.get_jid_id(jid)
except exceptions.PysqliteOperationalError, e:
# Error trying to create a new jid_id. This means there is no log
return []
days_with_logs = []
where_sql = self._build_contact_where(account, jid)
# First select all date of month whith logs we want
start_of_month = self.get_unix_time_from_date(year, month, 1)
seconds_in_a_day = 86400 # 60 * 60 * 24
last_second_of_month = start_of_month + (seconds_in_a_day * max_day) - 1
# Select times and 'floor' them to time 0:00
# (by dividing, they are integers)
# and take only one of the same values (distinct)
# Now we have timestamps of time 0:00 of every day with logs
self.cur.execute('''
SELECT DISTINCT time/(86400)*86400 FROM logs
WHERE (%s)
AND time BETWEEN %d AND %d
AND kind NOT IN (%d, %d)
ORDER BY time
''' % (where_sql, start_of_month, last_second_of_month,
constants.KIND_STATUS, constants.KIND_GCSTATUS))
result = self.cur.fetchall()
# convert timestamps to day of month
for line in result:
days_with_logs[0:0]=[time.gmtime(line[0])[2]]
return days_with_logs
def get_last_date_that_has_logs(self, jid, account=None, is_room=False):
"""
Return last time (in seconds since EPOCH) for which we had logs
(excluding statuses)
"""
where_sql = ''
if not is_room:
where_sql = self._build_contact_where(account, jid)
else:
try:
jid_id = self.get_jid_id(jid, 'ROOM')
except exceptions.PysqliteOperationalError, e:
# Error trying to create a new jid_id. This means there is no log
return None
where_sql = 'jid_id = %s' % jid_id
self.cur.execute('''
SELECT MAX(time) FROM logs
WHERE (%s)
AND kind NOT IN (%d, %d)
''' % (where_sql, constants.KIND_STATUS, constants.KIND_GCSTATUS))
results = self.cur.fetchone()
if results is not None:
result = results[0]
else:
result = None
return result
def get_room_last_message_time(self, jid):
"""
Return FASTLY last time (in seconds since EPOCH) for which we had logs
for that room from rooms_last_message_time table
"""
try:
jid_id = self.get_jid_id(jid, 'ROOM')
except exceptions.PysqliteOperationalError, e:
# Error trying to create a new jid_id. This means there is no log
return None
where_sql = 'jid_id = %s' % jid_id
self.cur.execute('''
SELECT time FROM rooms_last_message_time
WHERE (%s)
''' % (where_sql))
results = self.cur.fetchone()
if results is not None:
result = results[0]
else:
result = None
return result
def set_room_last_message_time(self, jid, time):
"""
Set last time (in seconds since EPOCH) for which we had logs for that
room in rooms_last_message_time table
"""
jid_id = self.get_jid_id(jid, 'ROOM')
# jid_id is unique in this table, create or update :
sql = 'REPLACE INTO rooms_last_message_time VALUES (%d, %d)' % \
(jid_id, time)
self.simple_commit(sql)
def _build_contact_where(self, account, jid):
"""
Build the where clause for a jid, including metacontacts jid(s) if any
"""
where_sql = ''
# will return empty list if jid is not associated with
# any metacontacts
family = gajim.contacts.get_metacontacts_family(account, jid)
if family:
for user in family:
try:
jid_id = self.get_jid_id(user['jid'])
except exceptions.PysqliteOperationalError, e:
continue
where_sql += 'jid_id = %s' % jid_id
if user != family[-1]:
where_sql += ' OR '
else: # if jid was not associated with metacontacts
jid_id = self.get_jid_id(jid)
where_sql = 'jid_id = %s' % jid_id
return where_sql
def save_transport_type(self, jid, type_):
"""
Save the type of the transport in DB
"""
type_id = self.convert_human_transport_type_to_db_api_values(type_)
if not type_id:
# unknown type
return
self.cur.execute(
'SELECT type from transports_cache WHERE transport = "%s"' % jid)
results = self.cur.fetchall()
if results:
result = results[0][0]
if result == type_id:
return
sql = 'UPDATE transports_cache SET type = %d WHERE transport = "%s"' %\
(type_id, jid)
self.simple_commit(sql)
return
sql = 'INSERT INTO transports_cache VALUES ("%s", %d)' % (jid, type_id)
self.simple_commit(sql)
def get_transports_type(self):
"""
Return all the type of the transports in DB
"""
self.cur.execute(
'SELECT * from transports_cache')
results = self.cur.fetchall()
if not results:
return {}
answer = {}
for result in results:
answer[result[0]] = self.convert_api_values_to_human_transport_type(
result[1])
return answer
# A longer note here:
# The database contains a blob field. Pysqlite seems to need special care for
# such fields.
# When storing, we need to convert string into buffer object (1).
# When retrieving, we need to convert it back to a string to decompress it.
# (2)
# GzipFile needs a file-like object, StringIO emulates file for plain strings
def iter_caps_data(self):
"""
Iterate over caps cache data stored in the database
The iterator values are pairs of (node, ver, ext, identities, features):
identities == {'category':'foo', 'type':'bar', 'name':'boo'},
features being a list of feature namespaces.
"""
# get data from table
# the data field contains binary object (gzipped data), this is a hack
# to get that data without trying to convert it to unicode
try:
self.cur.execute('SELECT hash_method, hash, data FROM caps_cache;')
except sqlite.OperationalError:
# might happen when there's no caps_cache table yet
# -- there's no data to read anyway then
return
# list of corrupted entries that will be removed
to_be_removed = []
for hash_method, hash_, data in self.cur:
# for each row: unpack the data field
# (format: (category, type, name, category, type, name, ...
# ..., 'FEAT', feature1, feature2, ...).join(' '))
# NOTE: if there's a need to do more gzip, put that to a function
try:
data = GzipFile(fileobj=StringIO(str(data))).read().decode(
'utf-8').split('\0')
except IOError:
# This data is corrupted. It probably contains non-ascii chars
to_be_removed.append((hash_method, hash_))
continue
i = 0
identities = list()
features = list()
while i < (len(data) - 3) and data[i] != 'FEAT':
category = data[i]
type_ = data[i + 1]
lang = data[i + 2]
name = data[i + 3]
identities.append({'category': category, 'type': type_,
'xml:lang': lang, 'name': name})
i += 4
i+=1
while i < len(data):
features.append(data[i])
i += 1
# yield the row
yield hash_method, hash_, identities, features
for hash_method, hash_ in to_be_removed:
sql = '''DELETE FROM caps_cache WHERE hash_method = "%s" AND
hash = "%s"''' % (hash_method, hash_)
self.simple_commit(sql)
def add_caps_entry(self, hash_method, hash_, identities, features):
data = []
for identity in identities:
# there is no FEAT category
if identity['category'] == 'FEAT':
return
data.extend((identity.get('category'), identity.get('type', ''),
identity.get('xml:lang', ''), identity.get('name', '')))
data.append('FEAT')
data.extend(features)
data = '\0'.join(data)
# if there's a need to do more gzip, put that to a function
string = StringIO()
gzip = GzipFile(fileobj=string, mode='w')
data = data.encode('utf-8') # the gzip module can't handle unicode objects
gzip.write(data)
gzip.close()
data = string.getvalue()
self.cur.execute('''
INSERT INTO caps_cache ( hash_method, hash, data, last_seen )
VALUES (?, ?, ?, ?);
''', (hash_method, hash_, buffer(data), int(time.time())))
# (1) -- note above
try:
self.con.commit()
except sqlite.OperationalError, e:
print >> sys.stderr, str(e)
def update_caps_time(self, method, hash_):
sql = '''UPDATE caps_cache SET last_seen = %d
WHERE hash_method = "%s" and hash = "%s"''' % \
(int(time.time()), method, hash_)
self.simple_commit(sql)
def clean_caps_table(self):
"""
Remove caps which was not seen for 3 months
"""
sql = '''DELETE FROM caps_cache WHERE last_seen < %d''' % \
int(time.time() - 3*30*24*3600)
self.simple_commit(sql)
def replace_roster(self, account_name, roster_version, roster):
"""
Replace current roster in DB by a new one
accout_name is the name of the account to change.
roster_version is the version of the new roster.
roster is the new version.
"""
# First we must reset roster_version value to ensure that the server
# sends back all the roster at the next connexion if the replacement
# didn't work properly.
gajim.config.set_per('accounts', account_name, 'roster_version', '')
account_jid = gajim.get_jid_from_account(account_name)
account_jid_id = self.get_jid_id(account_jid)
# Delete old roster
self.remove_roster(account_jid)
# Fill roster tables with the new roster
for jid in roster:
self.add_or_update_contact(account_jid, jid, roster[jid]['name'],
roster[jid]['subscription'], roster[jid]['ask'],
roster[jid]['groups'])
# At this point, we are sure the replacement works properly so we can
# set the new roster_version value.
gajim.config.set_per('accounts', account_name, 'roster_version',
roster_version)
def del_contact(self, account_jid, jid):
"""
Remove jid from account_jid roster
"""
try:
account_jid_id = self.get_jid_id(account_jid)
jid_id = self.get_jid_id(jid)
except exceptions.PysqliteOperationalError, e:
raise exceptions.PysqliteOperationalError(str(e))
self.cur.execute(
'DELETE FROM roster_group WHERE account_jid_id=? AND jid_id=?',
(account_jid_id, jid_id))
self.cur.execute(
'DELETE FROM roster_entry WHERE account_jid_id=? AND jid_id=?',
(account_jid_id, jid_id))
self.con.commit()
def add_or_update_contact(self, account_jid, jid, name, sub, ask, groups):
"""
Add or update a contact from account_jid roster
"""
if sub == 'remove':
self.del_contact(account_jid, jid)
return
try:
account_jid_id = self.get_jid_id(account_jid)
jid_id = self.get_jid_id(jid)
except exceptions.PysqliteOperationalError, e:
raise exceptions.PysqliteOperationalError(str(e))
# Update groups information
# First we delete all previous groups information
self.cur.execute(
'DELETE FROM roster_group WHERE account_jid_id=? AND jid_id=?',
(account_jid_id, jid_id))
# Then we add all new groups information
for group in groups:
self.cur.execute('INSERT INTO roster_group VALUES(?, ?, ?)',
(account_jid_id, jid_id, group))
if name is None:
name = ''
self.cur.execute('REPLACE INTO roster_entry VALUES(?, ?, ?, ?, ?)',
(account_jid_id, jid_id, name,
self.convert_human_subscription_values_to_db_api_values(sub),
bool(ask)))
self.con.commit()
def get_roster(self, account_jid):
"""
Return the accound_jid roster in NonBlockingRoster format
"""
data = {}
account_jid_id = self.get_jid_id(account_jid)
# First we fill data with roster_entry informations
self.cur.execute('''
SELECT j.jid, re.jid_id, re.name, re.subscription, re.ask
FROM roster_entry re, jids j
WHERE re.account_jid_id=? AND j.jid_id=re.jid_id''', (account_jid_id,))
for jid, jid_id, name, subscription, ask in self.cur:
data[jid] = {}
if name:
data[jid]['name'] = name
else:
data[jid]['name'] = None
data[jid]['subscription'] = \
self.convert_db_api_values_to_human_subscription_values(
subscription)
data[jid]['groups'] = []
data[jid]['resources'] = {}
if ask:
data[jid]['ask'] = 'subscribe'
else:
data[jid]['ask'] = None
data[jid]['id'] = jid_id
# Then we add group for roster entries
for jid in data:
self.cur.execute('''
SELECT group_name FROM roster_group
WHERE account_jid_id=? AND jid_id=?''',
(account_jid_id, data[jid]['id']))
for (group_name,) in self.cur:
data[jid]['groups'].append(group_name)
del data[jid]['id']
return data
def remove_roster(self, account_jid):
"""
Remove all entry from account_jid roster
"""
account_jid_id = self.get_jid_id(account_jid)
self.cur.execute('DELETE FROM roster_entry WHERE account_jid_id=?',
(account_jid_id,))
self.cur.execute('DELETE FROM roster_group WHERE account_jid_id=?',
(account_jid_id,))
self.con.commit()
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