nullprpl.c

Linux下的多协议即时通讯程序源代码

  purple_debug_info("nullprpl", "removing %s from %s's buddy list\n",
                    buddy->name, gc->account->username);
}

static void nullprpl_remove_buddies(PurpleConnection *gc, GList *buddies,
                                    GList *groups) {
  GList *buddy = buddies;
  GList *group = groups;

  purple_debug_info("nullprpl", "removing multiple buddies\n");

  while (buddy && group) {
    nullprpl_remove_buddy(gc, (PurpleBuddy *)buddy->data,
                          (PurpleGroup *)group->data);
    buddy = g_list_next(buddy);
    group = g_list_next(group);
  }
}

/*
 * nullprpl uses purple's local whitelist and blacklist, stored in blist.xml, as
 * its authoritative privacy settings, and uses purple's logic (specifically
 * purple_privacy_check(), from privacy.h), to determine whether messages are
 * allowed or blocked.
 */
static void nullprpl_add_permit(PurpleConnection *gc, const char *name) {
  purple_debug_info("nullprpl", "%s adds %s to their allowed list\n",
                    gc->account->username, name);
}

static void nullprpl_add_deny(PurpleConnection *gc, const char *name) {
  purple_debug_info("nullprpl", "%s adds %s to their blocked list\n",
                    gc->account->username, name);
}

static void nullprpl_rem_permit(PurpleConnection *gc, const char *name) {
  purple_debug_info("nullprpl", "%s removes %s from their allowed list\n",
                    gc->account->username, name);
}

static void nullprpl_rem_deny(PurpleConnection *gc, const char *name) {
  purple_debug_info("nullprpl", "%s removes %s from their blocked list\n",
                    gc->account->username, name);
}

static void nullprpl_set_permit_deny(PurpleConnection *gc) {
  /* this is for synchronizing the local black/whitelist with the server.
   * for nullprpl, it's a noop.
   */
}

static void joined_chat(PurpleConvChat *from, PurpleConvChat *to,
                        int id, const char *room, gpointer userdata) {
  /*  tell their chat window that we joined */
  purple_debug_info("nullprpl", "%s sees that %s joined chat room %s\n",
                    to->nick, from->nick, room);
  purple_conv_chat_add_user(to,
                            from->nick,
                            NULL,   /* user-provided join message, IRC style */
                            PURPLE_CBFLAGS_NONE,
                            TRUE);  /* show a join message */

  if (from != to) {
    /* add them to our chat window */
    purple_debug_info("nullprpl", "%s sees that %s is in chat room %s\n",
                      from->nick, to->nick, room);
    purple_conv_chat_add_user(from,
                              to->nick,
                              NULL,   /* user-provided join message, IRC style */
                              PURPLE_CBFLAGS_NONE,
                              FALSE);  /* show a join message */
  }
}

static void nullprpl_join_chat(PurpleConnection *gc, GHashTable *components) {
  char *username = gc->account->username;
  char *room = g_hash_table_lookup(components, "room");
  int chat_id = g_str_hash(room);
  purple_debug_info("nullprpl", "%s is joining chat room %s\n", username, room);

  if (!purple_find_chat(gc, chat_id)) {
    serv_got_joined_chat(gc, chat_id, room);

    /* tell everyone that we joined, and add them if they're already there */
    foreach_gc_in_chat(joined_chat, gc, chat_id, NULL);
  } else {
    purple_debug_info("nullprpl", "%s is already in chat room %s\n", username,
                      room);
    purple_notify_info(gc,
                       _("Join chat"),
                       _("Join chat"),
                       g_strdup_printf("%s is already in chat room %s.",
                                       username, room));
  }
}

static void nullprpl_reject_chat(PurpleConnection *gc, GHashTable *components) {
  char *invited_by = g_hash_table_lookup(components, "invited_by");
  char *room = g_hash_table_lookup(components, "room");
  char *username = gc->account->username;
  PurpleConnection *invited_by_gc = get_nullprpl_gc(invited_by);
  char *message = g_strdup_printf(
    "%s %s %s.",
    username,
    _("has rejected your invitation to join the chat room"),
    room);

  purple_debug_info("nullprpl",
                    "%s has rejected %s's invitation to join chat room %s\n",
                    username, invited_by, room);

  purple_notify_info(invited_by_gc,
                     _("Chat invitation rejected"),
                     _("Chat invitation rejected"),
                     message);
}

static char *nullprpl_get_chat_name(GHashTable *components) {
  char *room = g_hash_table_lookup(components, "room");
  purple_debug_info("nullprpl", "reporting chat room name '%s'\n", room);
  return room;
}

static void nullprpl_chat_invite(PurpleConnection *gc, int id,
                                 const char *message, const char *who) {
  char *username = gc->account->username;
  PurpleConversation *conv = purple_find_chat(gc, id);
  char *room = conv->name;
  PurpleAccount *to_acct = purple_accounts_find(who, NULLPRPL_ID);

  purple_debug_info("nullprpl", "%s is inviting %s to join chat room %s\n",
                    username, who, room);

  if (to_acct) {
    PurpleConversation *to_conv = purple_find_chat(to_acct->gc, id);
    if (to_conv) {
      purple_debug_info("nullprpl",
                        "%s is already in chat room %s; "
                        "ignoring invitation from %s\n",
                        who, room, username);
      purple_notify_info(gc,
                         _("Chat invitation"),
                         _("Chat invitation"),
                         g_strdup_printf("%s is already in chat room %s.",
                                         who, room));
    } else {
      GHashTable *components;
      components = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, free);
      g_hash_table_replace(components, "room", g_strdup(room));
      g_hash_table_replace(components, "invited_by", g_strdup(username));
      serv_got_chat_invite(to_acct->gc, room, username, message, components);
    }
  }
}

static void left_chat_room(PurpleConvChat *from, PurpleConvChat *to,
                           int id, const char *room, gpointer userdata) {
  if (from != to) {
    /*  tell their chat window that we left */
    purple_debug_info("nullprpl", "%s sees that %s left chat room %s\n",
                      to->nick, from->nick, room);
    purple_conv_chat_remove_user(to,
                                 from->nick,
                                 NULL);  /* user-provided message, IRC style */
  }
}

static void nullprpl_chat_leave(PurpleConnection *gc, int id) {
  PurpleConversation *conv = purple_find_chat(gc, id);
  purple_debug_info("nullprpl", "%s is leaving chat room %s\n",
                    gc->account->username, conv->name);

  /* tell everyone that we left */
  foreach_gc_in_chat(left_chat_room, gc, id, NULL);
}

static PurpleCmdRet send_whisper(PurpleConversation *conv, const gchar *cmd,
                                 gchar **args, gchar **error, void *userdata) {
  const char *to_username;
  const char *message;
  const char *from_username;
  PurpleConvChat *chat;
  PurpleConvChatBuddy *chat_buddy;
  PurpleConnection *to;

  /* parse args */
  to_username = args[0];
  message = args[1];

  if (!to_username || strlen(to_username) == 0) {
    *error = g_strdup(_("Whisper is missing recipient."));
    return PURPLE_CMD_RET_FAILED;
  } else if (!message || strlen(message) == 0) {
    *error = g_strdup(_("Whisper is missing message."));
    return PURPLE_CMD_RET_FAILED;
  }

  from_username = conv->account->username;
  purple_debug_info("nullprpl", "%s whispers to %s in chat room %s: %s\n",
                    from_username, to_username, conv->name, message);

  chat = purple_conversation_get_chat_data(conv);
  chat_buddy = purple_conv_chat_cb_find(chat, to_username);
  to = get_nullprpl_gc(to_username);

  if (!chat_buddy) {
    /* this will be freed by the caller */
    *error = g_strdup_printf(_("%s is not logged in."), to_username);
    return PURPLE_CMD_RET_FAILED;
  } else if (!to) {
    *error = g_strdup_printf(_("%s is not in this chat room."), to_username);
    return PURPLE_CMD_RET_FAILED;
  } else {
    /* write the whisper in the sender's chat window  */
    char *message_to = g_strdup_printf("%s (to %s)", message, to_username);
    purple_conv_chat_write(chat, from_username, message_to,
                           PURPLE_MESSAGE_SEND | PURPLE_MESSAGE_WHISPER,
                           time(NULL));
    g_free(message_to);

    /* send the whisper */
    serv_chat_whisper(to, chat->id, from_username, message);

    return PURPLE_CMD_RET_OK;
  }
}

static void nullprpl_chat_whisper(PurpleConnection *gc, int id, const char *who,
                                  const char *message) {
  char *username = gc->account->username;
  PurpleConversation *conv = purple_find_chat(gc, id);
  purple_debug_info("nullprpl",
                    "%s receives whisper from %s in chat room %s: %s\n",
                    username, who, conv->name, message);

  /* receive whisper on recipient's account */
  serv_got_chat_in(gc, id, who, PURPLE_MESSAGE_RECV | PURPLE_MESSAGE_WHISPER,
                   message, time(NULL));
}

static void receive_chat_message(PurpleConvChat *from, PurpleConvChat *to,
                                 int id, const char *room, gpointer userdata) {
  const char *message = (const char *)userdata;
  PurpleConnection *to_gc = get_nullprpl_gc(to->nick);

  purple_debug_info("nullprpl",
                    "%s receives message from %s in chat room %s: %s\n",
                    to->nick, from->nick, room, message);
  serv_got_chat_in(to_gc, id, from->nick, PURPLE_MESSAGE_RECV, message,
                   time(NULL));
}

static int nullprpl_chat_send(PurpleConnection *gc, int id, const char *message,
                              PurpleMessageFlags flags) {
  char *username = gc->account->username;
  PurpleConversation *conv = purple_find_chat(gc, id);

  if (conv) {
    purple_debug_info("nullprpl",
                      "%s is sending message to chat room %s: %s\n", username,
                      conv->name, message);

    /* send message to everyone in the chat room */
    foreach_gc_in_chat(receive_chat_message, gc, id, (gpointer)message);
    return 0;
  } else {
    purple_debug_info("nullprpl",
                      "tried to send message from %s to chat room #%d: %s\n"
                      "but couldn't find chat room",
                      username, id, message);
    return -1;
  }
}

static void nullprpl_register_user(PurpleAccount *acct) {
 purple_debug_info("nullprpl", "registering account for %s\n",
                   acct->username);
}

static void nullprpl_get_cb_info(PurpleConnection *gc, int id, const char *who) {
  PurpleConversation *conv = purple_find_chat(gc, id);
  purple_debug_info("nullprpl",
                    "retrieving %s's info for %s in chat room %s\n", who,
                    gc->account->username, conv->name);

  nullprpl_get_info(gc, who);
}

static void nullprpl_alias_buddy(PurpleConnection *gc, const char *who,
                                 const char *alias) {
 purple_debug_info("nullprpl", "%s sets %'s alias to %s\n",
                   gc->account->username, who, alias);
}

static void nullprpl_group_buddy(PurpleConnection *gc, const char *who,
                                 const char *old_group,
                                 const char *new_group) {
  purple_debug_info("nullprpl", "%s has moved %s from group %s to group %s\n",
                    who, old_group, new_group);
}