gaetalk.py

   1 #!/usr/bin/env python2
   2 # vim:fileencoding=utf-8
   3
   4 import re
   5 import logging
   6 import datetime
   7
   8 from google.appengine.ext import db
   9 from google.appengine.api import xmpp
  10
  11 import utils
  12 import config
  13
  14 helpre = re.compile(r'^\W{0,2}help$')
  15
  16 #用户所有资源离线时，会加上“完全”二字
  17 OFFLINE = u'离线'
  18 AWAY    = u'离开'
  19 XAWAY   = u'离开'
  20 BUSY    = u'忙碌'
  21 ONLINE  = u'在线'
  22 CHAT    = u'和我说话吧'
  23
  24 NEW        = u'加入'
  25 LEAVE      = u'退出'
  26 NICK       = u'昵称更改 (%s -> %s)'
  27 SNOOZE     = u'snooze %ds'
  28 BLACK      = u'禁言 %s %ds'
  29 BLACK_AUTO = u'被禁言 %ds'
  30 KICK       = u'删除 %s (%s)'
  31 ADMIN      = u'%s 成为管理员 (by %s)'
  32 UNADMIN    = u'%s 不再是管理员 (by %s)'
  33 NOTICE     = u'通告：%s'
  34 BLOCK      = u'封禁 %s，原因：%s'
  35 UNBLOCK    = u'解封 %s'
  36
  37 STATUS_CODE = {
  38   '':     ONLINE,
  39   'away': AWAY,
  40   'dnd':  BUSY,
  41   'xa':   XAWAY,
  42   'chat': CHAT,
  43 }
  44
  45 #状态的排序顺序
  46 STATUS_LIST = [CHAT, ONLINE, AWAY, XAWAY, BUSY, OFFLINE]
  47
  48 timezone = datetime.timedelta(hours=config.timezoneoffset)
  49
  50 class User(db.Model):
  51   jid = db.StringProperty(required=True, indexed=True)
  52   nick = db.StringProperty(required=True, indexed=True)
  53
  54   add_date = db.DateTimeProperty(auto_now_add=True)
  55   last_online_date = db.DateTimeProperty()
  56   last_offline_date = db.DateTimeProperty()
  57   last_speak_date = db.DateTimeProperty()
  58
  59   msg_count = db.IntegerProperty(required=True, default=0)
  60   msg_chars = db.IntegerProperty(required=True, default=0)
  61   credit = db.IntegerProperty(required=True, default=0)
  62
  63   black_before = db.DateTimeProperty(auto_now_add=True)
  64   snooze_before = db.DateTimeProperty()
  65   flooding_point = db.IntegerProperty(default=0)
  66
  67   avail = db.StringProperty(required=True)
  68   is_admin = db.BooleanProperty(required=True, default=False)
  69   resources = db.StringListProperty(required=True)
  70   #允许他人私信？
  71   reject_pm = db.BooleanProperty(default=False)
  72
  73   prefix = db.StringProperty(required=True, default=config.default_prefix)
  74   nick_pattern = db.StringProperty(required=True, default='[%s]')
  75   nick_changed = db.BooleanProperty(required=True, default=False)
  76   intro = db.StringProperty()
  77
  78 class Log(db.Model):
  79   time = db.DateTimeProperty(auto_now_add=True, indexed=True)
  80   msg = db.StringProperty(required=True, multiline=True)
  81   jid = db.StringProperty()
  82   nick = db.StringProperty()
  83   type = db.StringProperty(required=True, indexed=True,
  84                            choices=set(['chat', 'member', 'admin', 'misc']))
  85
  86 class Group(db.Model):
  87   time = db.DateTimeProperty(auto_now_add=True)
  88   topic = db.StringProperty(multiline=True)
  89   status = db.StringProperty()
  90
  91 class BlockedUser(db.Model):
  92   jid = db.StringProperty(required=True, indexed=True)
  93   add_date = db.DateTimeProperty(auto_now_add=True)
  94   reason = db.StringProperty()
  95
  96 def log_msg(sender, msg):
  97   l = Log(jid=sender.jid, nick=sender.nick,
  98           type='chat', msg=msg)
  99   l.put()
 100
 101 def log_onoff(sender, action, resource=''):
 102   if resource:
 103     if action == OFFLINE and not sender.resources:
 104       msg = u'完全%s (%s)' % (action, resource)
 105     else:
 106       msg = '%s (%s)' % (action, resource)
 107   else:
 108     msg = action
 109   l = Log(jid=sender.jid, nick=sender.nick,
 110           type='member', msg=msg)
 111   l.put()
 112
 113 def log_admin(sender, action):
 114   l = Log(jid=sender.jid, nick=sender.nick,
 115           type='admin', msg=action)
 116   l.put()
 117
 118 def get_user_by_jid(jid):
 119   return User.gql('where jid = :1', jid.lower()).get()
 120
 121 def get_user_by_nick(nick):
 122   return User.gql('where nick = :1', nick).get()
 123
 124 def get_group_info():
 125   return Group.all().get()
 126
 127 def get_blocked_user(jid):
 128   return BlockedUser.gql('where jid = :1', jid.lower()).get()
 129
 130 def get_member_list():
 131   now = datetime.datetime.now()
 132   #一个查询中最多只能有一个不等比较
 133   l = User.gql('where avail != :1', OFFLINE)
 134   return [unicode(x.jid) for x in l \
 135           if x.snooze_before is None or x.snooze_before < now]
 136
 137 def send_to_all_except(jid, message):
 138   if isinstance(jid, str):
 139     jids = [x for x in get_member_list() if x != jid]
 140   else:
 141     jids = [x for x in get_member_list() if x not in jid]
 142   logging.debug(jid)
 143   logging.debug(jids)
 144   try:
 145     xmpp.send_message(jids, message)
 146   except xmpp.InvalidJidError:
 147     pass
 148
 149 def send_to_all(message):
 150   jids = get_member_list()
 151   xmpp.send_message(jids, message)
 152
 153 def send_status(jid):
 154   if get_blocked_user(jid):
 155     xmpp.send_presence(jid, status=u'您已经被本群封禁')
 156     return
 157
 158   grp = get_group_info()
 159   if grp is None or not grp.status:
 160     xmpp.send_presence(jid)
 161   else:
 162     xmpp.send_presence(jid, status=grp.status)
 163
 164 def handle_message(msg):
 165   jid = msg.sender.split('/')[0]
 166
 167   sender = get_blocked_user(jid)
 168   if sender is not None:
 169     msg.reply(u'您已经被本群封禁，原因为 %s。' % sender.reason)
 170     return
 171
 172   sender = get_user_by_jid(jid)
 173   if sender is None:
 174     msg.reply('很抱歉，出错了，请尝试更改状态或者重新添加好友。')
 175     return
 176
 177   if msg.body.startswith('?OTR:'):
 178     msg.reply('不支持 OTR 加密！')
 179     return
 180
 181   if msg.body in config.blocked_away_messages:
 182     msg.reply('系统认为您的客户端正在自动发送离开消息。如果您认为这并不正确，请向管理员反馈。')
 183     return
 184
 185   if len(msg.body) > 500 or msg.body.count('\n') > 5:
 186     msgbody = utils.post_code(msg.body)
 187     if msgbody:
 188       msg.reply(u'内容过长，已贴至 %s' % msgbody)
 189     else:
 190       logging.warn(u'贴代码失败，代码长度 %d' % len(msg.body))
 191       msg.reply('由于技术限制，每条消息最长为 500 字。大段文本请贴 paste 网站。\n'
 192                 '如 http://paste.ubuntu.org.cn/ http://slexy.org/\n'
 193                 'PS: 自动转贴失败！')
 194       return
 195     ch = None
 196   else:
 197     msgbody = msg.body
 198     if sender.is_admin or sender.jid == config.root:
 199       ch = AdminCommand(msg, sender)
 200     else:
 201       ch = BasicCommand(msg, sender)
 202
 203   if not ch or not ch.handled:
 204     now = datetime.datetime.now()
 205     if sender.black_before is not None \
 206        and sender.black_before > now:
 207       if (datetime.datetime.today()+timezone).date() == \
 208          (sender.black_before+timezone).date():
 209         format = '%H时%M分%S秒'
 210       else:
 211         format = '%m月%d日 %H时%M分%S秒'
 212       msg.reply('你已被禁言至 ' \
 213                 + (sender.black_before+timezone).strftime(format))
 214       return
 215
 216     if sender.last_speak_date is not None:
 217       d = now - sender.last_speak_date
 218       t = d.seconds
 219       if d.days > 0 or t > 60:
 220         sender.flooding_point = 0
 221       else:
 222         k = 1000 / (t * t + 1)
 223         if k > 0:
 224           sender.flooding_point += k
 225         else:
 226           sender.flooding_point = 0
 227
 228         k = sender.flooding_point / 1500
 229         if k > 0:
 230           msg.reply('刷屏啊？禁言 %d 分钟！' % k)
 231           send_to_all_except(sender.jid,
 232             (u'%s 已因刷屏而被禁言 %d 分钟。' % (sender.nick, k)) \
 233                                   .encode('utf-8'))
 234           log_onoff(sender, BLACK_AUTO % (60 * k))
 235           sender.black_before = now + datetime.timedelta(seconds=60*k)
 236           sender.put()
 237           return
 238
 239     sender.last_speak_date = now
 240     sender.snooze_before = None
 241     try:
 242       sender.msg_count += 1
 243       sender.msg_chars += len(msgbody)
 244     except TypeError:
 245       sender.msg_count = 1
 246       sender.msg_chars = len(msgbody)
 247     sender.put()
 248     body = utils.removelinks(msgbody)
 249     for u in User.gql('where avail != :1', OFFLINE):
 250       if u.snooze_before is not None and u.snooze_before >= now:
 251         continue
 252       if u.jid == sender.jid:
 253         continue
 254       try:
 255         message = '%s %s' % (
 256           u.nick_pattern % sender.nick,
 257           body
 258         )
 259         xmpp.send_message(u.jid, message)
 260       except xmpp.InvalidJidError:
 261         pass
 262     log_msg(sender, msgbody)
 263
 264 def try_add_user(jid, show=OFFLINE, resource=''):
 265   '''使用 memcache 作为锁添加用户'''
 266   u = get_blocked_user(jid)
 267   if u is not None:
 268     xmpp.send_message(jid, u'您已经被本群封禁，原因为 %s。' % u.reason)
 269     return
 270
 271   L = utils.MemLock('add_user')
 272   L.require()
 273   try:
 274     u = get_user_by_jid(jid)
 275     if u is not None:
 276       return
 277     u = add_user(jid, show, resource)
 278   finally:
 279     L.release()
 280   if show != OFFLINE:
 281     log_onoff(u, show, resource)
 282   logging.info(u'%s added', jid)
 283
 284 def add_user(jid, show=OFFLINE, resource=''):
 285   '''resource 在 presence type 为 available 里使用'''
 286   nick = jid.split('@')[0]
 287   # same user name with different domains are possible
 288   while get_user_by_nick(nick):
 289     nick += '_'
 290   u = User(jid=jid.lower(), avail=show, nick=nick)
 291   if show != OFFLINE:
 292     u.last_online_date = datetime.datetime.now()
 293   if resource:
 294     u.resources.append(resource)
 295   u.put()
 296   log_onoff(u, NEW)
 297   logging.info(u'%s 已经加入' % jid)
 298   send_status(jid)
 299   xmpp.send_message(jid, u'欢迎 %s 加入！要获取使用帮助，请输入 %shelp，要获知群主题，请输入 %stopic。' % (
 300     u.nick, u.prefix, u.prefix))
 301   return u
 302
 303 def del_user(jid, by_cmd=False):
 304   l = User.gql('where jid = :1', jid.lower())
 305   for u in l:
 306     if u.jid == config.root:
 307       xmpp.send_message(jid, u'root 用户：离开前请确定你已做好善后工作！')
 308     log_onoff(u, LEAVE)
 309     if by_cmd:
 310       logging.info(u'%s (%s) 已经离开 (通过使用命令)' % (u.nick, u.jid))
 311     else:
 312       logging.info(u'%s (%s) 已经离开' % (u.nick, u.jid))
 313     u.delete()
 314
 315 class BasicCommand:
 316   handled = True
 317   def __init__(self, msg, sender):
 318     self.sender = sender
 319     self.msg = msg
 320
 321     if helpre.match(msg.body):
 322       self.do_help()
 323     elif msg.body.startswith(sender.prefix):
 324       cmd = msg.body[len(sender.prefix):].split()
 325       try:
 326         handle = getattr(self, 'do_' + cmd[0])
 327       except AttributeError:
 328         msg.reply(u'错误：未知命令 %s' % cmd[0])
 329       except IndexError:
 330         msg.reply(u'错误：无命令')
 331       except UnicodeEncodeError:
 332         msg.reply(u'错误：命令名解码失败。此问题在 GAE 升级其 Python 到 3.x 后方能解决。')
 333       else:
 334         handle(cmd[1:])
 335         logging.debug('%s did command %s' % (sender.jid, cmd[0]))
 336     else:
 337       self.handled = False
 338
 339   def get_msg_part(self, index):
 340     '''返回消息中第 index 个单词及其后的所有字符'''
 341     return self.msg.body[len(self.sender.prefix):].split(None, index)[-1]
 342
 343   def do_online(self, args):
 344     '''在线成员列表。可带一个参数，指定在名字中出现的一个子串。'''
 345     r = []
 346     pat = args[0] if args else None
 347     now = datetime.datetime.now()
 348     l = User.gql('where avail != :1', OFFLINE)
 349     for u in l:
 350       m = u.nick
 351       if pat and m.find(pat) == -1:
 352         continue
 353       status = u.avail
 354       if status != ONLINE:
 355         m += u' (%s)' % status
 356       if u.snooze_before is not None and u.snooze_before > now:
 357         m += u' (snoozing)'
 358       if u.black_before is not None and u.black_before > now:
 359         m += u' (已禁言)'
 360       r.append(unicode('* ' + m))
 361     r.sort()
 362     n = len(r)
 363     if pat:
 364       r.insert(0, u'在线成员列表（包含子串 %s）:' % pat)
 365       r.append(u'共 %d 人。' % n)
 366     else:
 367       r.insert(0, u'在线成员列表:')
 368       r.append(u'共 %d 人在线。' % n)
 369     self.msg.reply(u'\n'.join(r).encode('utf-8'))
 370
 371   def do_lsadmin(self, args):
 372     '''管理员列表'''
 373     r = []
 374     now = datetime.datetime.now()
 375     l = User.gql('where is_admin = :1', True)
 376     for u in l:
 377       m = u.nick
 378       status = u.avail
 379       if status != ONLINE:
 380         m += u' (%s)' % status
 381       if u.snooze_before is not None and u.snooze_before > now:
 382         m += u' (snoozing)'
 383       if u.black_before is not None and u.black_before > now:
 384         m += u' (已禁言)'
 385       r.append(unicode('* ' + m))
 386     r.sort()
 387     n = len(r)
 388     r.insert(0, u'管理员列表:')
 389     r.append(u'共 %d 位管理员。' % n)
 390     self.msg.reply(u'\n'.join(r).encode('utf-8'))
 391
 392   def do_lsblocked(self, args):
 393     '''列出被封禁用户名单'''
 394     r = []
 395     l = BlockedUser.all()
 396     for u in l:
 397       r.append(unicode('* %s (%s, %s)' % (u.jid,
 398                                           utils.strftime(u.add_date, timezone),
 399                                           u.reason)
 400                       )
 401               )
 402     r.sort()
 403     n = len(r)
 404     r.insert(0, u'封禁列表:')
 405     r.append(u'共 %d 个 JID 被封禁。' % n)
 406     self.msg.reply(u'\n'.join(r).encode('utf-8'))
 407
 408   def do_chatty(self, args):
 409     '''消息数排行'''
 410     r = []
 411     for u in User.gql('ORDER BY msg_count ASC'):
 412       m = u.nick
 413       m = u'* %s:\t%5d条，共 %s' % (
 414         u.nick, u.msg_count,
 415         utils.filesize(u.msg_chars))
 416       r.append(m)
 417     n = len(r)
 418     r.insert(0, u'消息数量排行:')
 419     r.append(u'共 %d 人。' % n)
 420     self.msg.reply(u'\n'.join(r).encode('utf-8'))
 421
 422   def do_nick(self, args):
 423     '''更改昵称，需要一个参数，不能使用大部分标点符号'''
 424     if len(args) != 1:
 425       self.msg.reply('错误：请给出你想到的昵称（不能包含空格）')
 426       return
 427
 428     q = get_user_by_nick(args[0])
 429     if q is not None:
 430       self.msg.reply('错误：该昵称已被使用，请使用其它昵称')
 431     elif not utils.checkNick(args[0]):
 432       self.msg.reply('错误：非法的昵称')
 433     else:
 434       if not config.nick_can_change and self.sender.nick_changed:
 435         self.msg.reply('乖哦，你已经没机会再改昵称了')
 436         return
 437       old_nick = self.sender.nick
 438       log_onoff(self.sender, NICK % (old_nick, args[0]))
 439       self.sender.nick = args[0]
 440       self.sender.nick_changed = True
 441       self.sender.put()
 442       send_to_all_except(self.sender.jid,
 443         (u'%s 的昵称改成了 %s' % (old_nick, args[0])).encode('utf-8'))
 444       self.msg.reply('昵称更改成功！')
 445   do_nick.__doc__ += '，最长 %d 字节' % config.nick_maxlen
 446
 447   def do_whois(self, args):
 448     '''查看用户信息，参数为用户昵称'''
 449     if len(args) != 1:
 450       self.msg.reply('错误：你想知道关于谁的信息？')
 451       return
 452
 453     u = get_user_by_nick(args[0])
 454     if u is None:
 455       self.msg.reply(u'Sorry，查无此人。')
 456       return
 457
 458     now = datetime.datetime.now()
 459     status = u.avail
 460     addtime = (u.add_date + timezone).strftime('%Y年%m月%d日 %H时%M分').decode('utf-8')
 461     allowpm = u'否' if u.reject_pm else u'是'
 462     if u.snooze_before is not None and u.snooze_before > now:
 463       status += u' (snoozing)'
 464     if u.black_before is not None and u.black_before > now:
 465       status += u' (已禁言)'
 466     r = []
 467     r.append(u'昵称：\t%s' % u.nick)
 468     if self.sender.is_admin:
 469       r.append(u'JID：\t%s' % u.jid)
 470     r.append(u'状态：\t%s' % status)
 471     r.append(u'消息数：\t%d' % u.msg_count)
 472     r.append(u'消息总量：\t%s' % utils.filesize(u.msg_chars))
 473     r.append(u'加入时间：\t%s' % addtime)
 474     r.append(u'接收私信：\t%s' % allowpm)
 475     r.append(u'自我介绍：\t%s' % u.intro)
 476     self.msg.reply(u'\n'.join(r).encode('utf-8'))
 477
 478   def do_help(self, args=()):
 479     '''显示本帮助。参数 long 显示详细帮助，也可指定命令名。'''
 480     doc = []
 481     prefix = self.sender.prefix
 482
 483     if len(args) > 1:
 484       self.msg.reply('参数错误。')
 485       return
 486     arg = args[0] if args else None
 487
 488     if arg is None or arg == 'long':
 489       for b in self.__class__.__bases__ + (self.__class__,):
 490         for c, f in b.__dict__.items():
 491           if c.startswith('do_'):
 492             if arg is None:
 493               doc.append(u'%s%s:\t%s' % (prefix, c[3:], f.__doc__.decode('utf-8').\
 494                                          split(u'，', 1)[0].split(u'。', 1)[0]))
 495             else:
 496               doc.append(u'%s%s:\t%s' % (prefix, c[3:], f.__doc__.decode('utf-8')))
 497       doc.sort()
 498       if arg is None:
 499         doc.insert(0, u'** 命令指南 **\n(当前命令前缀 %s，可设置。使用 %shelp long 显示详细帮助)' % (prefix, prefix))
 500       else:
 501         doc.insert(0, u'** 命令指南 **\n(当前命令前缀 %s，可设置)' % prefix)
 502       doc.append(u'要离开，直接删掉好友即可。')
 503       doc.append(u'Gtalk 客户端用户要离开请使用 quit 命令。')
 504       self.msg.reply(u'\n'.join(doc).encode('utf-8'))
 505     else:
 506       try:
 507         handle = getattr(self, 'do_' + arg)
 508       except AttributeError:
 509         self.msg.reply(u'错误：未知命令 %s' % arg)
 510       except UnicodeEncodeError:
 511         self.msg.reply(u'错误：命令名解码失败。此问题在 GAE 升级其 Python 到 3.x 后方能解决。')
 512       else:
 513         self.msg.reply(u'%s%s:\t%s' % (prefix, arg, handle.__doc__.decode('utf-8')))
 514
 515   def do_topic(self, args=()):
 516     '''查看群主题'''
 517     grp = get_group_info()
 518     if grp is None or not grp.topic:
 519       self.msg.reply(u'没有设置群主题。')
 520     else:
 521       self.msg.reply(grp.topic)
 522
 523   def do_iam(self, args):
 524     '''查看自己的信息'''
 525     u = self.sender
 526     addtime = (u.add_date + timezone).strftime('%Y年%m月%d日 %H时%M分').decode('utf-8')
 527     allowpm = u'否' if u.reject_pm else u'是'
 528     r = []
 529     r.append(u'昵称：\t%s' % u.nick)
 530     r.append(u'JID：\t%s' % u.jid)
 531     r.append(u'资源：\t%s' % u' '.join(u.resources))
 532     r.append(u'消息数：\t%d' % u.msg_count)
 533     r.append(u'消息总量：\t%s' % utils.filesize(u.msg_chars))
 534     r.append(u'加入时间：\t%s' % addtime)
 535     r.append(u'命令前缀：\t%s' % u.prefix)
 536     r.append(u'接收私信：\t%s' % allowpm)
 537     r.append(u'自我介绍：\t%s' % u.intro)
 538     self.msg.reply(u'\n'.join(r).encode('utf-8'))
 539
 540   def do_m(self, args):
 541     '''发私信，需要昵称和内容两个参数。私信不会以任何方式被记录。用户可使用 set 命令设置是否接收私信。'''
 542     if len(args) < 2:
 543       self.msg.reply('请给出昵称和内容。')
 544       return
 545
 546     target = get_user_by_nick(args[0])
 547     if target is None:
 548       self.msg.reply('Sorry，查无此人。')
 549       return
 550
 551     if target.reject_pm:
 552       self.msg.reply('很抱歉，对方不接收私信。')
 553       return
 554
 555     msg = self.get_msg_part(2)
 556     msg = u'_私信_ %s %s' % (target.nick_pattern % self.sender.nick, msg)
 557     if xmpp.send_message(target.jid, msg) == xmpp.NO_ERROR:
 558       self.msg.reply(u'OK')
 559     else:
 560       self.msg.reply(u'消息发送失败')
 561
 562   def do_intro(self, arg):
 563     '''设置自我介绍信息'''
 564     if not arg:
 565       self.msg.reply('请给出自我介绍的内容。')
 566       return
 567
 568     msg = self.get_msg_part(1)
 569     u = self.sender
 570     try:
 571       u.intro = msg
 572     except db.BadValueError:
 573       # 过长文本已在 handle_message 中被拦截
 574       self.msg.reply('错误：自我介绍内容只能为一行。')
 575       return
 576
 577     u.put()
 578     self.msg.reply(u'设置成功！')
 579
 580   def do_snooze(self, args):
 581     '''暂停接收消息，参数为时间（默认单位为秒）。再次发送消息时自动清除'''
 582     if len(args) != 1:
 583       self.msg.reply('你想停止接收消息多久？')
 584       return
 585     else:
 586       try:
 587         n = utils.parseTime(args[0])
 588       except ValueError:
 589         self.msg.reply('Sorry，我无法理解你说的时间。')
 590         return
 591
 592     try:
 593       self.sender.snooze_before = datetime.datetime.now() + datetime.timedelta(seconds=n)
 594     except OverflowError:
 595       self.msg.reply('Sorry，你不能睡太久。')
 596       return
 597     self.sender.put()
 598     if n == 0:
 599       self.msg.reply('你已经醒来。')
 600     else:
 601       self.msg.reply(u'OK，停止接收消息 %s。' % utils.displayTime(n))
 602     log_onoff(self.sender, SNOOZE % n)
 603
 604   def do_offline(self, args):
 605     '''假装离线，让程序认为你的所有资源已离线。如在你离线时程序仍认为你在线，请使用此命令。'''
 606     del self.sender.resources[:]
 607     self.sender.avail = OFFLINE
 608     self.sender.last_offline_date = datetime.datetime.now()
 609     self.sender.put()
 610     self.msg.reply('OK，在下次你说你在线之前我都认为你已离线。')
 611
 612   def do_fakeresource(self, args):
 613     '''假装在线，人工加入一个新的资源，使程序认为你总是在线。使用 off 参数来取消。'''
 614     if args and args[0] == 'off':
 615       try:
 616         self.sender.resources.remove('fakeresouce')
 617         self.msg.reply('OK，fakeresouce 已取消。')
 618         self.sender.put()
 619       except ValueError:
 620         self.msg.reply('没有设置 fakeresouce。')
 621     else:
 622       try:
 623         self.sender.resources.index('fakeresouce')
 624         self.msg.reply('你已经设置了永远在线。')
 625       except ValueError:
 626         self.sender.resources.append('fakeresouce')
 627         self.msg.reply('OK，你将永远在线。')
 628         self.sender.put()
 629
 630   def do_old(self, args):
 631     '''聊天记录查询，可选一个数字参数。默认为最后20条。特殊参数 OFFLINE （不区分大小写）显示离线消息（最多 100 条）'''
 632     s = self.sender
 633     q = False
 634     if not args:
 635       q = Log.gql("WHERE type = 'chat' ORDER BY time DESC LIMIT 20")
 636     elif len(args) == 1:
 637       try:
 638         n = int(args[0])
 639         if n > 0:
 640           q = Log.gql("WHERE type = 'chat' ORDER BY time DESC LIMIT %d" % n)
 641       except ValueError:
 642         if args[0].upper() == 'OFFLINE':
 643           q = Log.gql("WHERE time < :1 AND time > :2 AND type = 'chat' ORDER BY time DESC LIMIT 100", s.last_online_date, s.last_offline_date)
 644         else:
 645           pass
 646     if q is not False:
 647       r = []
 648       q = list(q)
 649       q.reverse()
 650       if q:
 651         if datetime.datetime.today() - q[0].time > datetime.timedelta(hours=24):
 652           show_date = True
 653         else:
 654           show_date = False
 655       for l in q:
 656         message = '%s %s %s' % (
 657           utils.strftime(l.time, timezone, show_date),
 658           s.nick_pattern % l.nick,
 659           l.msg
 660         )
 661         r.append(message)
 662       if r:
 663         self.msg.reply(u'\n'.join(r).encode('utf-8'))
 664       else:
 665         self.msg.reply('没有符合的聊天记录。')
 666     else:
 667       self.msg.reply('Oops, 参数不正确哦。')
 668
 669   def do_set(self, args):
 670     '''设置参数。参数格式 key=value；不带参数以查看说明。'''
 671     #注意：选项名/值中不能包含空格
 672     if len(args) != 1:
 673       doc = []
 674       for c, f in self.__class__.__dict__.items():
 675         if c.startswith('set_'):
 676           doc.append(u'* %s:\t%s' % (c[4:], f.__doc__.decode('utf-8')))
 677       for b in self.__class__.__bases__:
 678         for c, f in b.__dict__.items():
 679           if c.startswith('set_'):
 680             doc.append(u'* %s:\t%s' % (c[4:], f.__doc__.decode('utf-8')))
 681       doc.sort()
 682       doc.insert(0, u'设置选项：')
 683       self.msg.reply(u'\n'.join(doc).encode('utf-8'))
 684     else:
 685       msg = self.msg
 686       cmd = msg.body.split(None, 1)[1].split('=', 1)
 687       if len(cmd) == 1:
 688         msg.reply(u'错误：请给出选项值')
 689         return
 690       try:
 691         handle = getattr(self, 'set_' + cmd[0])
 692       except AttributeError:
 693         msg.reply(u'错误：未知选项 %s' % cmd[0])
 694       except IndexError:
 695         msg.reply(u'错误：无选项')
 696       except UnicodeEncodeError:
 697         msg.reply(u'错误：选项名解码失败。此问题在 GAE 升级其 Python 到 3.x 后方能解决。')
 698       else:
 699         handle(cmd[1])
 700
 701   def do_quit(self, args):
 702     '''删除用户数据。某些自称“不作恶”的公司的客户端会不按协议要求发送删除好友的消息，请 gtalk 官方客户端用户使用此命令退出。参见 http://xmpp.org/rfcs/rfc3921.html#rfc.section.6.3 。'''
 703     del_user(self.sender.jid)
 704     self.msg.reply(u'OK.')
 705
 706   def set_prefix(self, arg):
 707     '''设置命令前缀'''
 708     self.sender.prefix = arg
 709     self.sender.put()
 710     self.msg.reply(u'设置成功！')
 711
 712   def set_nickpattern(self, arg):
 713     '''设置昵称显示格式，用 %s 表示昵称的位置'''
 714     try:
 715       arg % 'test'
 716     except (TypeError, ValueError):
 717       self.msg.reply(u'错误：不正确的格式')
 718       return
 719
 720     self.sender.nick_pattern = arg
 721     self.sender.put()
 722     self.msg.reply(u'设置成功！')
 723
 724   def set_allowpm(self, arg):
 725     '''设置是否接收私信，参数为 y（接收）或者 n（拒绝）'''
 726     if arg not in 'yn':
 727       self.msg.reply(u'错误的参数。')
 728       return
 729
 730     if arg == 'y':
 731       self.sender.reject_pm = False
 732     else:
 733       self.sender.reject_pm = True
 734     self.sender.put()
 735     self.msg.reply(u'设置成功！')
 736
 737 class AdminCommand(BasicCommand):
 738   def do_kick(self, args):
 739     '''删除某人。他仍可以重新加入。'''
 740     if len(args) != 1:
 741       self.msg.reply('请给出昵称。')
 742       return
 743
 744     target = get_user_by_nick(args[0])
 745     if target is None:
 746       self.msg.reply('Sorry，查无此人。')
 747       return
 748
 749     if target.jid == config.root:
 750       self.msg.reply('不能删除 root 用户')
 751       return
 752
 753     targetjid = target.jid
 754     targetnick = target.nick
 755     target.delete()
 756     self.msg.reply((u'OK，删除 %s。' % target.nick).encode('utf-8'))
 757     send_to_all_except(self.sender.jid, (u'%s 已被删除。' % target.nick) \
 758                        .encode('utf-8'))
 759     xmpp.send_message(targetjid, u'你已被管理员从此群中删除，请删除该好友。')
 760     log_admin(self.sender, KICK % (targetnick, targetjid))
 761
 762   def do_quiet(self, args):
 763     '''禁言某人，参数为昵称和时间（默认单位秒）'''
 764     if len(args) != 2:
 765       self.msg.reply('请给出昵称和时间。')
 766       return
 767     else:
 768       try:
 769         n = utils.parseTime(args[1])
 770       except ValueError:
 771         self.msg.reply('Sorry，我无法理解你说的时间。')
 772         return
 773
 774     target = get_user_by_nick(args[0])
 775     if target is None:
 776       self.msg.reply('Sorry，查无此人。')
 777       return
 778
 779     target.black_before = datetime.datetime.now() + datetime.timedelta(seconds=n)
 780     target.put()
 781     self.msg.reply(u'OK，禁言 %s %s。' % (target.nick, utils.displayTime(n)))
 782     send_to_all_except((self.sender.jid, target.jid),
 783                        (u'%s 已被禁言 %s。' % (target.nick, utils.displayTime(n))) \
 784                        .encode('utf-8'))
 785     xmpp.send_message(target.jid, u'你已被管理员禁言 %s。' % utils.displayTime(n))
 786     log_admin(self.sender, BLACK % (target.nick, n))
 787
 788   def do_notice(self, arg):
 789     '''发送群通告。只会发给在线的人，包括 snoozing 者。'''
 790     if not arg:
 791       self.msg.reply('请给出群通告的内容。')
 792       return
 793
 794     msg = self.msg.body[len(self.sender.prefix):].split(None, 1)[-1]
 795
 796     l = User.gql('where avail != :1', OFFLINE)
 797     log_admin(self.sender, NOTICE % msg)
 798     for u in l:
 799       try:
 800         xmpp.send_message(u.jid, u'通告：' + msg)
 801       except xmpp.InvalidJidError:
 802         pass
 803
 804   def do_topic(self, args=()):
 805     '''查看或设置群主题'''
 806     grp = get_group_info()
 807     if not args:
 808       if grp is None or not grp.topic:
 809         self.msg.reply(u'没有设置群主题。')
 810       else:
 811         self.msg.reply(grp.topic)
 812     else:
 813       grp = get_group_info()
 814       if grp is None:
 815         grp = Group()
 816       grp.topic = self.msg.body[len(self.sender.prefix):].split(None, 1)[-1]
 817       grp.put()
 818       self.msg.reply(u'群主题已更新。')
 819
 820   def do_admin(self, args):
 821     '''将某人添加为管理员'''
 822     if len(args) != 1:
 823       self.msg.reply(u'请给出昵称。')
 824       return
 825
 826     target = get_user_by_nick(args[0])
 827     if target is None:
 828       self.msg.reply(u'Sorry，查无此人。')
 829       return
 830
 831     if target.is_admin:
 832       self.msg.reply(u'%s 已经是管理员了。' % target.nick)
 833       return
 834
 835     target.is_admin = True
 836     target.put()
 837     send_to_all_except(target.jid,
 838                        (u'%s 已成为管理员。' % target.nick) \
 839                        .encode('utf-8'))
 840     xmpp.send_message(target.jid, u'你已是本群管理员。')
 841     log_admin(self.sender, ADMIN % (target.nick, self.sender.nick))
 842
 843   def do_unadmin(self, args):
 844     '''取消某人管理员的权限'''
 845     if len(args) != 1:
 846       self.msg.reply(u'请给出昵称。')
 847       return
 848
 849     target = get_user_by_nick(args[0])
 850     if target is None:
 851       self.msg.reply(u'Sorry，查无此人。')
 852       return
 853
 854     if not target.is_admin:
 855       self.msg.reply(u'%s 不是管理员。' % target.nick)
 856       return
 857
 858     target.is_admin = False
 859     target.put()
 860     send_to_all_except(target.jid,
 861                        (u'%s 已不再是管理员。' % target.nick) \
 862                        .encode('utf-8'))
 863     xmpp.send_message(target.jid, u'你已不再是本群管理员。')
 864     log_admin(self.sender, UNADMIN % (target.nick, self.sender.nick))
 865
 866   def do_block(self, args):
 867     '''封禁某个 ID，参数为用户昵称或者 ID（如果不是已经加入的 ID 的话），以及封禁原因'''
 868     if len(args) < 2:
 869       self.msg.reply(u'请给出要封禁的用户和原因。')
 870       return
 871
 872     target = get_user_by_nick(args[0])
 873     reason = self.msg.body[len(self.sender.prefix):].split(None, 2)[-1]
 874     if target is None:
 875       jid = args[0]
 876       name = jid
 877       fullname = name
 878     else:
 879       jid = target.jid
 880       name = target.nick
 881       fullname = '%s (%s)' % (name, jid)
 882     u = BlockedUser.gql('where jid = :1', jid).get()
 883     if u is not None:
 884       self.msg.reply(u'此 JID 已经被封禁。')
 885       return
 886
 887     if jid == config.root:
 888       self.msg.reply('不能封禁 root 用户')
 889       return
 890
 891     if target:
 892       target.delete()
 893     u = BlockedUser(jid=jid, reason=reason)
 894     u.put()
 895
 896     send_to_all_except(self.sender.jid,
 897                        (u'%s 已被本群封禁，理由为 %s。' % (name, reason)) \
 898                        .encode('utf-8'))
 899     self.msg.reply(u'%s 已被本群封禁，理由为 %s。' % (fullname, reason))
 900     xmpp.send_message(jid, u'你已被本群封禁，理由为 %s。' % reason)
 901     xmpp.send_presence(jid, status=u'您已经被本群封禁')
 902     log_admin(self.sender, BLOCK % (fullname, reason))
 903
 904   def do_unblock(self, args):
 905     '''解封某个 ID'''
 906     if len(args) != 1:
 907       self.msg.reply(u'请给出要解封用户的 JID。')
 908       return
 909
 910     target = get_blocked_user(args[0])
 911     if target is None:
 912       self.msg.reply(u'封禁列表中没有这个 JID。')
 913       return
 914
 915     target.delete()
 916     send_to_all((u'%s 已被解除封禁。' % args[0]) \
 917                 .encode('utf-8'))
 918     log_admin(self.sender, UNBLOCK % args[0])
 919
 920   def do_groupstatus(self, arg):
 921     '''设置群状态'''
 922     grp = get_group_info()
 923     if grp is None:
 924       grp = Group()
 925     grp.status = self.msg.body[len(self.sender.prefix):].split(None, 1)[-1]
 926     grp.put()
 927     for u in User.all():
 928       xmpp.send_presence(u.jid, status=grp.status)
 929     self.msg.reply(u'设置成功！')