1 | /***************************************************************************\ |
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2 | * * |
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3 | * BitlBee - An IRC to IM gateway * |
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4 | * Jabber module - Conference rooms * |
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5 | * * |
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6 | * Copyright 2007 Wilmer van der Gaast <wilmer@gaast.net> * |
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7 | * * |
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8 | * This program is free software; you can redistribute it and/or modify * |
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9 | * it under the terms of the GNU General Public License as published by * |
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10 | * the Free Software Foundation; either version 2 of the License, or * |
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11 | * (at your option) any later version. * |
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12 | * * |
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13 | * This program is distributed in the hope that it will be useful, * |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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16 | * GNU General Public License for more details. * |
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17 | * * |
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18 | * You should have received a copy of the GNU General Public License along * |
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19 | * with this program; if not, write to the Free Software Foundation, Inc., * |
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20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * |
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21 | * * |
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22 | \***************************************************************************/ |
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23 | |
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24 | #include "jabber.h" |
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25 | |
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26 | static xt_status jabber_chat_join_failed( struct im_connection *ic, struct xt_node *node, struct xt_node *orig ); |
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27 | |
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28 | struct groupchat *jabber_chat_join( struct im_connection *ic, const char *room, const char *nick, const char *password ) |
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29 | { |
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30 | struct jabber_chat *jc; |
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31 | struct xt_node *node; |
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32 | struct groupchat *c; |
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33 | char *roomjid; |
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34 | |
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35 | roomjid = g_strdup_printf( "%s/%s", room, nick ); |
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36 | node = xt_new_node( "x", NULL, NULL ); |
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37 | xt_add_attr( node, "xmlns", XMLNS_MUC ); |
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38 | node = jabber_make_packet( "presence", NULL, roomjid, node ); |
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39 | if( password ) |
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40 | xt_add_child( node, xt_new_node( "password", password, NULL ) ); |
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41 | jabber_cache_add( ic, node, jabber_chat_join_failed ); |
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42 | |
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43 | if( !jabber_write_packet( ic, node ) ) |
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44 | { |
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45 | g_free( roomjid ); |
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46 | return NULL; |
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47 | } |
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48 | |
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49 | jc = g_new0( struct jabber_chat, 1 ); |
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50 | jc->name = jabber_normalize( room ); |
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51 | |
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52 | if( ( jc->me = jabber_buddy_add( ic, roomjid ) ) == NULL ) |
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53 | { |
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54 | g_free( roomjid ); |
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55 | g_free( jc->name ); |
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56 | g_free( jc ); |
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57 | return NULL; |
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58 | } |
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59 | |
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60 | /* roomjid isn't normalized yet, and we need an original version |
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61 | of the nick to send a proper presence update. */ |
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62 | jc->my_full_jid = roomjid; |
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63 | |
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64 | c = imcb_chat_new( ic, room ); |
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65 | c->data = jc; |
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66 | |
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67 | return c; |
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68 | } |
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69 | |
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70 | static xt_status jabber_chat_join_failed( struct im_connection *ic, struct xt_node *node, struct xt_node *orig ) |
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71 | { |
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72 | struct jabber_error *err; |
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73 | struct jabber_buddy *bud; |
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74 | char *room; |
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75 | |
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76 | room = xt_find_attr( orig, "to" ); |
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77 | bud = jabber_buddy_by_jid( ic, room, 0 ); |
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78 | err = jabber_error_parse( xt_find_node( node->children, "error" ), XMLNS_STANZA_ERROR ); |
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79 | if( err ) |
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80 | { |
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81 | imcb_error( ic, "Error joining groupchat %s: %s%s%s", room, err->code, |
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82 | err->text ? ": " : "", err->text ? err->text : "" ); |
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83 | jabber_error_free( err ); |
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84 | } |
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85 | if( bud ) |
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86 | jabber_chat_free( jabber_chat_by_jid( ic, bud->bare_jid ) ); |
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87 | |
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88 | return XT_HANDLED; |
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89 | } |
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90 | |
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91 | struct groupchat *jabber_chat_by_jid( struct im_connection *ic, const char *name ) |
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92 | { |
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93 | char *normalized = jabber_normalize( name ); |
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94 | struct groupchat *ret; |
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95 | struct jabber_chat *jc; |
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96 | |
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97 | for( ret = ic->groupchats; ret; ret = ret->next ) |
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98 | { |
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99 | jc = ret->data; |
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100 | if( strcmp( normalized, jc->name ) == 0 ) |
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101 | break; |
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102 | } |
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103 | g_free( normalized ); |
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104 | |
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105 | return ret; |
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106 | } |
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107 | |
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108 | void jabber_chat_free( struct groupchat *c ) |
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109 | { |
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110 | struct jabber_chat *jc = c->data; |
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111 | |
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112 | jabber_buddy_remove_bare( c->ic, jc->name ); |
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113 | |
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114 | g_free( jc->my_full_jid ); |
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115 | g_free( jc->name ); |
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116 | g_free( jc ); |
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117 | |
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118 | imcb_chat_free( c ); |
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119 | } |
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120 | |
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121 | int jabber_chat_msg( struct groupchat *c, char *message, int flags ) |
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122 | { |
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123 | struct im_connection *ic = c->ic; |
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124 | struct jabber_chat *jc = c->data; |
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125 | struct xt_node *node; |
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126 | |
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127 | jc->flags |= JCFLAG_MESSAGE_SENT; |
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128 | |
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129 | node = xt_new_node( "body", message, NULL ); |
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130 | node = jabber_make_packet( "message", "groupchat", jc->name, node ); |
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131 | |
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132 | if( !jabber_write_packet( ic, node ) ) |
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133 | { |
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134 | xt_free_node( node ); |
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135 | return 0; |
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136 | } |
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137 | xt_free_node( node ); |
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138 | |
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139 | return 1; |
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140 | } |
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141 | |
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142 | int jabber_chat_topic( struct groupchat *c, char *topic ) |
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143 | { |
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144 | struct im_connection *ic = c->ic; |
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145 | struct jabber_chat *jc = c->data; |
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146 | struct xt_node *node; |
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147 | |
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148 | node = xt_new_node( "subject", topic, NULL ); |
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149 | node = jabber_make_packet( "message", "groupchat", jc->name, node ); |
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150 | |
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151 | if( !jabber_write_packet( ic, node ) ) |
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152 | { |
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153 | xt_free_node( node ); |
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154 | return 0; |
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155 | } |
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156 | xt_free_node( node ); |
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157 | |
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158 | return 1; |
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159 | } |
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160 | |
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161 | int jabber_chat_leave( struct groupchat *c, const char *reason ) |
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162 | { |
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163 | struct im_connection *ic = c->ic; |
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164 | struct jabber_chat *jc = c->data; |
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165 | struct xt_node *node; |
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166 | |
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167 | node = xt_new_node( "x", NULL, NULL ); |
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168 | xt_add_attr( node, "xmlns", XMLNS_MUC ); |
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169 | node = jabber_make_packet( "presence", "unavailable", jc->my_full_jid, node ); |
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170 | |
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171 | if( !jabber_write_packet( ic, node ) ) |
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172 | { |
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173 | xt_free_node( node ); |
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174 | return 0; |
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175 | } |
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176 | xt_free_node( node ); |
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177 | |
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178 | return 1; |
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179 | } |
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180 | |
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181 | void jabber_chat_invite( struct groupchat *c, char *who, char *message ) |
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182 | { |
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183 | struct xt_node *node; |
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184 | struct im_connection *ic = c->ic; |
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185 | struct jabber_chat *jc = c->data; |
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186 | |
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187 | node = xt_new_node( "reason", message, NULL ); |
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188 | |
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189 | node = xt_new_node( "invite", NULL, node ); |
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190 | xt_add_attr( node, "to", who ); |
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191 | |
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192 | node = xt_new_node( "x", NULL, node ); |
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193 | xt_add_attr( node, "xmlns", XMLNS_MUC_USER ); |
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194 | |
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195 | node = jabber_make_packet( "message", NULL, jc->name, node ); |
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196 | |
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197 | jabber_write_packet( ic, node ); |
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198 | |
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199 | xt_free_node( node ); |
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200 | } |
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201 | |
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202 | /* Not really the same syntax as the normal pkt_ functions, but this isn't |
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203 | called by the xmltree parser directly and this way I can add some extra |
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204 | parameters so we won't have to repeat too many things done by the caller |
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205 | already. */ |
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206 | void jabber_chat_pkt_presence( struct im_connection *ic, struct jabber_buddy *bud, struct xt_node *node ) |
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207 | { |
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208 | struct groupchat *chat; |
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209 | struct xt_node *c; |
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210 | char *type = xt_find_attr( node, "type" ); |
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211 | struct jabber_chat *jc; |
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212 | char *s; |
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213 | |
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214 | if( ( chat = jabber_chat_by_jid( ic, bud->bare_jid ) ) == NULL ) |
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215 | { |
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216 | /* How could this happen?? We could do kill( self, 11 ) |
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217 | now or just wait for the OS to do it. :-) */ |
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218 | return; |
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219 | } |
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220 | |
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221 | jc = chat->data; |
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222 | |
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223 | if( type == NULL && !( bud->flags & JBFLAG_IS_CHATROOM ) ) |
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224 | { |
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225 | bud->flags |= JBFLAG_IS_CHATROOM; |
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226 | /* If this one wasn't set yet, this buddy just joined the chat. |
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227 | Slightly hackish way of finding out eh? ;-) */ |
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228 | |
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229 | /* This is pretty messy... Here it sets ext_jid to the real |
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230 | JID of the participant. Works for non-anonymized channels. |
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231 | Might break if someone joins a chat twice, though. */ |
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232 | for( c = node->children; ( c = xt_find_node( c, "x" ) ); c = c->next ) |
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233 | if( ( s = xt_find_attr( c, "xmlns" ) ) && |
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234 | ( strcmp( s, XMLNS_MUC_USER ) == 0 ) ) |
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235 | { |
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236 | c = xt_find_node( c->children, "item" ); |
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237 | if( ( s = xt_find_attr( c, "jid" ) ) ) |
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238 | { |
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239 | /* Yay, found what we need. :-) */ |
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240 | bud->ext_jid = jabber_normalize( s ); |
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241 | break; |
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242 | } |
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243 | } |
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244 | |
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245 | /* Make up some other handle, if necessary. */ |
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246 | if( bud->ext_jid == NULL ) |
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247 | { |
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248 | if( bud == jc->me ) |
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249 | { |
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250 | bud->ext_jid = jabber_normalize( ic->acc->user ); |
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251 | } |
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252 | else |
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253 | { |
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254 | int i; |
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255 | |
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256 | /* Don't want the nick to be at the end, so let's |
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257 | think of some slightly different notation to use |
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258 | for anonymous groupchat participants in BitlBee. */ |
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259 | bud->ext_jid = g_strdup_printf( "%s=%s", bud->resource, bud->bare_jid ); |
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260 | |
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261 | /* And strip any unwanted characters. */ |
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262 | for( i = 0; bud->resource[i]; i ++ ) |
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263 | if( bud->ext_jid[i] == '=' || bud->ext_jid[i] == '@' ) |
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264 | bud->ext_jid[i] = '_'; |
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265 | |
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266 | /* Some program-specific restrictions. */ |
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267 | imcb_clean_handle( ic, bud->ext_jid ); |
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268 | } |
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269 | bud->flags |= JBFLAG_IS_ANONYMOUS; |
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270 | } |
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271 | |
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272 | if( bud != jc->me ) |
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273 | { |
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274 | imcb_add_buddy( ic, bud->ext_jid, NULL ); |
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275 | imcb_buddy_nick_hint( ic, bud->ext_jid, bud->resource ); |
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276 | } |
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277 | |
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278 | s = strchr( bud->ext_jid, '/' ); |
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279 | if( s ) *s = 0; /* Should NEVER be NULL, but who knows... */ |
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280 | imcb_chat_add_buddy( chat, bud->ext_jid ); |
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281 | if( s ) *s = '/'; |
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282 | } |
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283 | else if( type ) /* type can only be NULL or "unavailable" in this function */ |
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284 | { |
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285 | s = strchr( bud->ext_jid, '/' ); |
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286 | if( s ) *s = 0; |
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287 | imcb_chat_remove_buddy( chat, bud->ext_jid, NULL ); |
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288 | if( bud != jc->me && bud->flags & JBFLAG_IS_ANONYMOUS ) |
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289 | imcb_remove_buddy( ic, bud->ext_jid, NULL ); |
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290 | if( s ) *s = '/'; |
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291 | |
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292 | if( bud == jc->me ) |
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293 | jabber_chat_free( chat ); |
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294 | } |
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295 | } |
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296 | |
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297 | void jabber_chat_pkt_message( struct im_connection *ic, struct jabber_buddy *bud, struct xt_node *node ) |
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298 | { |
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299 | struct xt_node *subject = xt_find_node( node->children, "subject" ); |
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300 | struct xt_node *body = xt_find_node( node->children, "body" ); |
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301 | struct groupchat *chat = bud ? jabber_chat_by_jid( ic, bud->bare_jid ) : NULL; |
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302 | struct jabber_chat *jc = chat ? chat->data : NULL; |
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303 | char *s; |
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304 | |
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305 | if( bud == NULL || ( jc && ~jc->flags & JCFLAG_MESSAGE_SENT && bud == jc->me ) ) |
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306 | { |
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307 | char *nick; |
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308 | |
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309 | if( body == NULL || body->text_len == 0 ) |
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310 | /* Meh. Empty messages aren't very interesting, no matter |
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311 | how much some servers love to send them. */ |
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312 | return; |
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313 | |
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314 | s = xt_find_attr( node, "from" ); /* pkt_message() already NULL-checked this one. */ |
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315 | nick = strchr( s, '/' ); |
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316 | if( nick ) |
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317 | { |
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318 | /* If this message included a resource/nick we don't know, |
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319 | we might still know the groupchat itself. */ |
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320 | *nick = 0; |
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321 | chat = jabber_chat_by_jid( ic, s ); |
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322 | *nick = '/'; |
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323 | |
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324 | nick ++; |
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325 | } |
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326 | else |
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327 | { |
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328 | /* message.c uses the EXACT_JID option, so bud should |
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329 | always be NULL here for bare JIDs. */ |
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330 | chat = jabber_chat_by_jid( ic, s ); |
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331 | } |
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332 | |
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333 | if( nick == NULL ) |
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334 | { |
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335 | /* This is fine, the groupchat itself isn't in jd->buddies. */ |
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336 | if( chat ) |
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337 | imcb_chat_log( chat, "From conference server: %s", body->text ); |
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338 | else |
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339 | imcb_log( ic, "System message from unknown groupchat %s: %s", s, body->text ); |
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340 | } |
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341 | else |
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342 | { |
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343 | /* This can happen too, at least when receiving a backlog when |
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344 | just joining a channel. */ |
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345 | if( chat ) |
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346 | imcb_chat_log( chat, "Message from unknown participant %s: %s", nick, body->text ); |
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347 | else |
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348 | imcb_log( ic, "Groupchat message from unknown JID %s: %s", s, body->text ); |
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349 | } |
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350 | |
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351 | return; |
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352 | } |
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353 | else if( chat == NULL ) |
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354 | { |
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355 | /* How could this happen?? We could do kill( self, 11 ) |
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356 | now or just wait for the OS to do it. :-) */ |
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357 | return; |
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358 | } |
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359 | |
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360 | if( subject ) |
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361 | { |
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362 | s = strchr( bud->ext_jid, '/' ); |
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363 | if( s ) *s = 0; |
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364 | imcb_chat_topic( chat, bud->ext_jid, subject->text_len > 0 ? |
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365 | subject->text : NULL, jabber_get_timestamp( node ) ); |
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366 | if( s ) *s = '/'; |
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367 | } |
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368 | if( body && body->text_len > 0 ) |
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369 | { |
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370 | s = strchr( bud->ext_jid, '/' ); |
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371 | if( s ) *s = 0; |
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372 | imcb_chat_msg( chat, bud->ext_jid, body->text, 0, jabber_get_timestamp( node ) ); |
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373 | if( s ) *s = '/'; |
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374 | } |
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375 | } |
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