1 | /***************************************************************************\ |
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2 | * * |
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3 | * BitlBee - An IRC to IM gateway * |
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4 | * Simple module to facilitate twitter functionality. * |
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5 | * * |
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6 | * Copyright 2009 Geert Mulders <g.c.w.m.mulders@gmail.com> * |
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7 | * * |
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8 | * This library is free software; you can redistribute it and/or * |
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9 | * modify it under the terms of the GNU Lesser General Public * |
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10 | * License as published by the Free Software Foundation, version * |
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11 | * 2.1. * |
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12 | * * |
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13 | * This library 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 GNU * |
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16 | * Lesser 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 Lesser General Public License * |
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19 | * along with this library; if not, write to the Free Software Foundation, * |
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20 | * Inc., 51 Franklin St, 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 | /* For strptime(): */ |
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25 | #if(__sun) |
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26 | #else |
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27 | #define _XOPEN_SOURCE |
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28 | #endif |
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29 | |
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30 | #include "twitter_http.h" |
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31 | #include "twitter.h" |
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32 | #include "bitlbee.h" |
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33 | #include "url.h" |
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34 | #include "misc.h" |
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35 | #include "base64.h" |
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36 | #include "xmltree.h" |
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37 | #include "twitter_lib.h" |
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38 | #include <ctype.h> |
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39 | #include <errno.h> |
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40 | |
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41 | /* GLib < 2.12.0 doesn't have g_ascii_strtoll(), work around using system strtoll(). */ |
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42 | /* GLib < 2.12.4 can be buggy: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=488013 */ |
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43 | #if !GLIB_CHECK_VERSION(2,12,5) |
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44 | #include <stdlib.h> |
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45 | #include <limits.h> |
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46 | #define g_ascii_strtoll strtoll |
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47 | #endif |
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48 | |
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49 | #define TXL_STATUS 1 |
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50 | #define TXL_USER 2 |
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51 | #define TXL_ID 3 |
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52 | |
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53 | struct twitter_xml_list { |
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54 | int type; |
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55 | gint64 next_cursor; |
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56 | GSList *list; |
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57 | }; |
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58 | |
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59 | struct twitter_xml_user { |
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60 | char *name; |
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61 | char *screen_name; |
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62 | }; |
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63 | |
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64 | struct twitter_xml_status { |
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65 | time_t created_at; |
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66 | char *text; |
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67 | struct twitter_xml_user *user; |
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68 | guint64 id, reply_to; |
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69 | }; |
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70 | |
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71 | static void twitter_groupchat_init(struct im_connection *ic); |
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72 | |
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73 | /** |
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74 | * Frees a twitter_xml_user struct. |
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75 | */ |
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76 | static void txu_free(struct twitter_xml_user *txu) |
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77 | { |
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78 | if (txu == NULL) |
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79 | return; |
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80 | g_free(txu->name); |
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81 | g_free(txu->screen_name); |
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82 | g_free(txu); |
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83 | } |
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84 | |
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85 | |
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86 | /** |
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87 | * Frees a twitter_xml_status struct. |
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88 | */ |
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89 | static void txs_free(struct twitter_xml_status *txs) |
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90 | { |
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91 | g_free(txs->text); |
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92 | txu_free(txs->user); |
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93 | g_free(txs); |
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94 | } |
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95 | |
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96 | /** |
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97 | * Free a twitter_xml_list struct. |
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98 | * type is the type of list the struct holds. |
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99 | */ |
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100 | static void txl_free(struct twitter_xml_list *txl) |
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101 | { |
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102 | GSList *l; |
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103 | if (txl == NULL) |
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104 | return; |
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105 | for (l = txl->list; l; l = g_slist_next(l)) |
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106 | if (txl->type == TXL_STATUS) |
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107 | txs_free((struct twitter_xml_status *) l->data); |
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108 | else if (txl->type == TXL_ID) |
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109 | g_free(l->data); |
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110 | else if (txl->type == TXL_USER) |
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111 | txu_free(l->data); |
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112 | g_slist_free(txl->list); |
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113 | g_free(txl); |
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114 | } |
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115 | |
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116 | /** |
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117 | * Add a buddy if it is not allready added, set the status to logged in. |
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118 | */ |
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119 | static void twitter_add_buddy(struct im_connection *ic, char *name, const char *fullname) |
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120 | { |
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121 | struct twitter_data *td = ic->proto_data; |
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122 | |
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123 | // Check if the buddy is already in the buddy list. |
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124 | if (!bee_user_by_handle(ic->bee, ic, name)) { |
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125 | char *mode = set_getstr(&ic->acc->set, "mode"); |
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126 | |
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127 | // The buddy is not in the list, add the buddy and set the status to logged in. |
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128 | imcb_add_buddy(ic, name, NULL); |
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129 | imcb_rename_buddy(ic, name, fullname); |
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130 | if (g_strcasecmp(mode, "chat") == 0) { |
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131 | /* Necessary so that nicks always get translated to the |
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132 | exact Twitter username. */ |
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133 | imcb_buddy_nick_hint(ic, name, name); |
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134 | imcb_chat_add_buddy(td->home_timeline_gc, name); |
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135 | } else if (g_strcasecmp(mode, "many") == 0) |
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136 | imcb_buddy_status(ic, name, OPT_LOGGED_IN, NULL, NULL); |
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137 | } |
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138 | } |
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139 | |
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140 | /* Warning: May return a malloc()ed value, which will be free()d on the next |
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141 | call. Only for short-term use. NOT THREADSAFE! */ |
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142 | char *twitter_parse_error(struct http_request *req) |
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143 | { |
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144 | static char *ret = NULL; |
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145 | struct xt_parser *xp = NULL; |
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146 | struct xt_node *node; |
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147 | |
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148 | g_free(ret); |
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149 | ret = NULL; |
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150 | |
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151 | if (req->body_size > 0) { |
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152 | xp = xt_new(NULL, NULL); |
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153 | xt_feed(xp, req->reply_body, req->body_size); |
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154 | |
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155 | for (node = xp->root; node; node = node->next) |
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156 | if ((node = xt_find_node(node->children, "error")) && node->text_len > 0) { |
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157 | ret = g_strdup_printf("%s (%s)", req->status_string, node->text); |
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158 | break; |
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159 | } |
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160 | |
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161 | xt_free(xp); |
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162 | } |
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163 | |
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164 | return ret ? ret : req->status_string; |
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165 | } |
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166 | |
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167 | static void twitter_http_get_friends_ids(struct http_request *req); |
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168 | |
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169 | /** |
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170 | * Get the friends ids. |
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171 | */ |
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172 | void twitter_get_friends_ids(struct im_connection *ic, gint64 next_cursor) |
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173 | { |
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174 | // Primitive, but hey! It works... |
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175 | char *args[2]; |
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176 | args[0] = "cursor"; |
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177 | args[1] = g_strdup_printf("%lld", (long long) next_cursor); |
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178 | twitter_http(ic, TWITTER_FRIENDS_IDS_URL, twitter_http_get_friends_ids, ic, 0, args, 2); |
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179 | |
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180 | g_free(args[1]); |
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181 | } |
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182 | |
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183 | /** |
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184 | * Function to help fill a list. |
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185 | */ |
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186 | static xt_status twitter_xt_next_cursor(struct xt_node *node, struct twitter_xml_list *txl) |
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187 | { |
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188 | char *end = NULL; |
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189 | |
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190 | if (node->text) |
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191 | txl->next_cursor = g_ascii_strtoll(node->text, &end, 10); |
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192 | if (end == NULL) |
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193 | txl->next_cursor = -1; |
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194 | |
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195 | return XT_HANDLED; |
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196 | } |
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197 | |
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198 | /** |
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199 | * Fill a list of ids. |
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200 | */ |
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201 | static xt_status twitter_xt_get_friends_id_list(struct xt_node *node, struct twitter_xml_list *txl) |
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202 | { |
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203 | struct xt_node *child; |
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204 | |
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205 | // Set the list type. |
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206 | txl->type = TXL_ID; |
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207 | |
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208 | // The root <statuses> node should hold the list of statuses <status> |
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209 | // Walk over the nodes children. |
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210 | for (child = node->children; child; child = child->next) { |
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211 | if (g_strcasecmp("ids", child->name) == 0) { |
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212 | struct xt_node *idc; |
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213 | for (idc = child->children; idc; idc = idc->next) |
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214 | if (g_strcasecmp(idc->name, "id") == 0) |
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215 | txl->list = g_slist_prepend(txl->list, |
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216 | g_memdup(idc->text, idc->text_len + 1)); |
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217 | } else if (g_strcasecmp("next_cursor", child->name) == 0) { |
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218 | twitter_xt_next_cursor(child, txl); |
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219 | } |
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220 | } |
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221 | |
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222 | return XT_HANDLED; |
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223 | } |
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224 | |
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225 | static void twitter_get_users_lookup(struct im_connection *ic); |
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226 | |
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227 | /** |
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228 | * Callback for getting the friends ids. |
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229 | */ |
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230 | static void twitter_http_get_friends_ids(struct http_request *req) |
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231 | { |
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232 | struct im_connection *ic; |
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233 | struct xt_parser *parser; |
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234 | struct twitter_xml_list *txl; |
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235 | struct twitter_data *td; |
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236 | |
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237 | ic = req->data; |
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238 | |
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239 | // Check if the connection is still active. |
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240 | if (!g_slist_find(twitter_connections, ic)) |
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241 | return; |
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242 | |
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243 | td = ic->proto_data; |
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244 | |
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245 | // Check if the HTTP request went well. More strict checks as this is |
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246 | // the first request we do in a session. |
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247 | if (req->status_code == 401) { |
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248 | imcb_error(ic, "Authentication failure"); |
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249 | imc_logout(ic, FALSE); |
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250 | return; |
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251 | } else if (req->status_code != 200) { |
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252 | // It didn't go well, output the error and return. |
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253 | imcb_error(ic, "Could not retrieve %s: %s", |
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254 | TWITTER_FRIENDS_IDS_URL, twitter_parse_error(req)); |
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255 | imc_logout(ic, TRUE); |
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256 | return; |
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257 | } else { |
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258 | td->http_fails = 0; |
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259 | } |
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260 | |
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261 | /* Create the room now that we "logged in". */ |
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262 | if (!td->home_timeline_gc && g_strcasecmp(set_getstr(&ic->acc->set, "mode"), "chat") == 0) |
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263 | twitter_groupchat_init(ic); |
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264 | |
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265 | txl = g_new0(struct twitter_xml_list, 1); |
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266 | txl->list = td->follow_ids; |
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267 | |
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268 | // Parse the data. |
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269 | parser = xt_new(NULL, txl); |
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270 | xt_feed(parser, req->reply_body, req->body_size); |
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271 | twitter_xt_get_friends_id_list(parser->root, txl); |
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272 | xt_free(parser); |
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273 | |
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274 | td->follow_ids = txl->list; |
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275 | if (txl->next_cursor) |
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276 | /* These were just numbers. Up to 4000 in a response AFAIK so if we get here |
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277 | we may be using a spammer account. \o/ */ |
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278 | twitter_get_friends_ids(ic, txl->next_cursor); |
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279 | else |
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280 | /* Now to convert all those numbers into names.. */ |
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281 | twitter_get_users_lookup(ic); |
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282 | |
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283 | txl->list = NULL; |
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284 | txl_free(txl); |
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285 | } |
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286 | |
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287 | static xt_status twitter_xt_get_users(struct xt_node *node, struct twitter_xml_list *txl); |
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288 | static void twitter_http_get_users_lookup(struct http_request *req); |
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289 | |
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290 | static void twitter_get_users_lookup(struct im_connection *ic) |
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291 | { |
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292 | struct twitter_data *td = ic->proto_data; |
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293 | char *args[2] = { |
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294 | "user_id", |
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295 | NULL, |
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296 | }; |
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297 | GString *ids = g_string_new(""); |
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298 | int i; |
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299 | |
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300 | /* We can request up to 100 users at a time. */ |
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301 | for (i = 0; i < 100 && td->follow_ids; i ++) { |
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302 | g_string_append_printf(ids, ",%s", (char*) td->follow_ids->data); |
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303 | g_free(td->follow_ids->data); |
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304 | td->follow_ids = g_slist_remove(td->follow_ids, td->follow_ids->data); |
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305 | } |
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306 | if (ids->len > 0) { |
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307 | args[1] = ids->str + 1; |
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308 | /* POST, because I think ids can be up to 1KB long. */ |
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309 | twitter_http(ic, TWITTER_USERS_LOOKUP_URL, twitter_http_get_users_lookup, ic, 1, args, 2); |
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310 | } else { |
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311 | /* We have all users. Continue with login. (Get statuses.) */ |
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312 | td->flags |= TWITTER_HAVE_FRIENDS; |
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313 | twitter_login_finish(ic); |
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314 | } |
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315 | g_string_free(ids, TRUE); |
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316 | } |
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317 | |
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318 | /** |
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319 | * Callback for getting (twitter)friends... |
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320 | * |
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321 | * Be afraid, be very afraid! This function will potentially add hundreds of "friends". "Who has |
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322 | * hundreds of friends?" you wonder? You probably not, since you are reading the source of |
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323 | * BitlBee... Get a life and meet new people! |
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324 | */ |
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325 | static void twitter_http_get_users_lookup(struct http_request *req) |
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326 | { |
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327 | struct im_connection *ic = req->data; |
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328 | struct twitter_data *td; |
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329 | struct xt_parser *parser; |
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330 | struct twitter_xml_list *txl; |
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331 | GSList *l = NULL; |
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332 | struct twitter_xml_user *user; |
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333 | |
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334 | // Check if the connection is still active. |
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335 | if (!g_slist_find(twitter_connections, ic)) |
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336 | return; |
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337 | |
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338 | td = ic->proto_data; |
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339 | |
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340 | if (req->status_code != 200) { |
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341 | // It didn't go well, output the error and return. |
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342 | imcb_error(ic, "Could not retrieve %s: %s", |
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343 | TWITTER_USERS_LOOKUP_URL, twitter_parse_error(req)); |
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344 | imc_logout(ic, TRUE); |
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345 | return; |
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346 | } else { |
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347 | td->http_fails = 0; |
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348 | } |
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349 | |
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350 | txl = g_new0(struct twitter_xml_list, 1); |
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351 | txl->list = NULL; |
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352 | |
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353 | // Parse the data. |
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354 | parser = xt_new(NULL, txl); |
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355 | xt_feed(parser, req->reply_body, req->body_size); |
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356 | |
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357 | // Get the user list from the parsed xml feed. |
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358 | twitter_xt_get_users(parser->root, txl); |
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359 | xt_free(parser); |
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360 | |
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361 | // Add the users as buddies. |
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362 | for (l = txl->list; l; l = g_slist_next(l)) { |
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363 | user = l->data; |
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364 | twitter_add_buddy(ic, user->screen_name, user->name); |
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365 | } |
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366 | |
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367 | // Free the structure. |
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368 | txl_free(txl); |
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369 | |
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370 | twitter_get_users_lookup(ic); |
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371 | } |
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372 | |
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373 | /** |
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374 | * Function to fill a twitter_xml_user struct. |
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375 | * It sets: |
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376 | * - the name and |
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377 | * - the screen_name. |
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378 | */ |
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379 | static xt_status twitter_xt_get_user(struct xt_node *node, struct twitter_xml_user *txu) |
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380 | { |
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381 | struct xt_node *child; |
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382 | |
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383 | // Walk over the nodes children. |
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384 | for (child = node->children; child; child = child->next) { |
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385 | if (g_strcasecmp("name", child->name) == 0) { |
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386 | txu->name = g_memdup(child->text, child->text_len + 1); |
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387 | } else if (g_strcasecmp("screen_name", child->name) == 0) { |
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388 | txu->screen_name = g_memdup(child->text, child->text_len + 1); |
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389 | } |
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390 | } |
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391 | return XT_HANDLED; |
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392 | } |
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393 | |
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394 | /** |
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395 | * Function to fill a twitter_xml_list struct. |
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396 | * It sets: |
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397 | * - all <user>s from the <users> element. |
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398 | */ |
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399 | static xt_status twitter_xt_get_users(struct xt_node *node, struct twitter_xml_list *txl) |
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400 | { |
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401 | struct twitter_xml_user *txu; |
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402 | struct xt_node *child; |
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403 | |
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404 | // Set the type of the list. |
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405 | txl->type = TXL_USER; |
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406 | |
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407 | // The root <users> node should hold the list of users <user> |
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408 | // Walk over the nodes children. |
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409 | for (child = node->children; child; child = child->next) { |
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410 | if (g_strcasecmp("user", child->name) == 0) { |
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411 | txu = g_new0(struct twitter_xml_user, 1); |
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412 | twitter_xt_get_user(child, txu); |
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413 | // Put the item in the front of the list. |
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414 | txl->list = g_slist_prepend(txl->list, txu); |
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415 | } |
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416 | } |
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417 | |
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418 | return XT_HANDLED; |
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419 | } |
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420 | |
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421 | #ifdef __GLIBC__ |
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422 | #define TWITTER_TIME_FORMAT "%a %b %d %H:%M:%S %z %Y" |
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423 | #else |
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424 | #define TWITTER_TIME_FORMAT "%a %b %d %H:%M:%S +0000 %Y" |
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425 | #endif |
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426 | |
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427 | /** |
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428 | * Function to fill a twitter_xml_status struct. |
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429 | * It sets: |
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430 | * - the status text and |
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431 | * - the created_at timestamp and |
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432 | * - the status id and |
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433 | * - the user in a twitter_xml_user struct. |
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434 | */ |
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435 | static xt_status twitter_xt_get_status(struct xt_node *node, struct twitter_xml_status *txs) |
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436 | { |
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437 | struct xt_node *child, *rt = NULL; |
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438 | gboolean truncated = FALSE; |
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439 | |
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440 | // Walk over the nodes children. |
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441 | for (child = node->children; child; child = child->next) { |
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442 | if (g_strcasecmp("text", child->name) == 0) { |
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443 | txs->text = g_memdup(child->text, child->text_len + 1); |
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444 | } else if (g_strcasecmp("truncated", child->name) == 0 && child->text) { |
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445 | truncated = bool2int(child->text); |
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446 | } else if (g_strcasecmp("retweeted_status", child->name) == 0) { |
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447 | rt = child; |
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448 | } else if (g_strcasecmp("created_at", child->name) == 0) { |
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449 | struct tm parsed; |
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450 | |
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451 | /* Very sensitive to changes to the formatting of |
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452 | this field. :-( Also assumes the timezone used |
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453 | is UTC since C time handling functions suck. */ |
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454 | if (strptime(child->text, TWITTER_TIME_FORMAT, &parsed) != NULL) |
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455 | txs->created_at = mktime_utc(&parsed); |
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456 | } else if (g_strcasecmp("user", child->name) == 0) { |
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457 | txs->user = g_new0(struct twitter_xml_user, 1); |
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458 | twitter_xt_get_user(child, txs->user); |
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459 | } else if (g_strcasecmp("id", child->name) == 0) { |
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460 | txs->id = g_ascii_strtoull(child->text, NULL, 10); |
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461 | } else if (g_strcasecmp("in_reply_to_status_id", child->name) == 0) { |
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462 | txs->reply_to = g_ascii_strtoull(child->text, NULL, 10); |
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463 | } |
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464 | } |
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465 | |
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466 | /* If it's a truncated retweet, get the original because dots suck. */ |
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467 | if (truncated && rt) { |
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468 | struct twitter_xml_status *rtxs = g_new0(struct twitter_xml_status, 1); |
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469 | if (twitter_xt_get_status(rt, rtxs) != XT_HANDLED) { |
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470 | txs_free(rtxs); |
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471 | return XT_HANDLED; |
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472 | } |
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473 | |
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474 | g_free(txs->text); |
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475 | txs->text = g_strdup_printf("RT @%s: %s", rtxs->user->screen_name, rtxs->text); |
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476 | txs_free(rtxs); |
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477 | } |
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478 | |
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479 | return XT_HANDLED; |
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480 | } |
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481 | |
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482 | /** |
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483 | * Function to fill a twitter_xml_list struct. |
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484 | * It sets: |
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485 | * - all <status>es within the <status> element and |
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486 | * - the next_cursor. |
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487 | */ |
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488 | static xt_status twitter_xt_get_status_list(struct im_connection *ic, struct xt_node *node, |
---|
489 | struct twitter_xml_list *txl) |
---|
490 | { |
---|
491 | struct twitter_xml_status *txs; |
---|
492 | struct xt_node *child; |
---|
493 | bee_user_t *bu; |
---|
494 | |
---|
495 | // Set the type of the list. |
---|
496 | txl->type = TXL_STATUS; |
---|
497 | |
---|
498 | // The root <statuses> node should hold the list of statuses <status> |
---|
499 | // Walk over the nodes children. |
---|
500 | for (child = node->children; child; child = child->next) { |
---|
501 | if (g_strcasecmp("status", child->name) == 0) { |
---|
502 | txs = g_new0(struct twitter_xml_status, 1); |
---|
503 | twitter_xt_get_status(child, txs); |
---|
504 | // Put the item in the front of the list. |
---|
505 | txl->list = g_slist_prepend(txl->list, txs); |
---|
506 | |
---|
507 | if (txs->user && txs->user->screen_name && |
---|
508 | (bu = bee_user_by_handle(ic->bee, ic, txs->user->screen_name))) { |
---|
509 | struct twitter_user_data *tud = bu->data; |
---|
510 | |
---|
511 | if (txs->id > tud->last_id) { |
---|
512 | tud->last_id = txs->id; |
---|
513 | tud->last_time = txs->created_at; |
---|
514 | } |
---|
515 | } |
---|
516 | } else if (g_strcasecmp("next_cursor", child->name) == 0) { |
---|
517 | twitter_xt_next_cursor(child, txl); |
---|
518 | } |
---|
519 | } |
---|
520 | |
---|
521 | return XT_HANDLED; |
---|
522 | } |
---|
523 | |
---|
524 | static void twitter_http_get_home_timeline(struct http_request *req); |
---|
525 | |
---|
526 | /** |
---|
527 | * Get the timeline. |
---|
528 | */ |
---|
529 | void twitter_get_home_timeline(struct im_connection *ic, gint64 next_cursor) |
---|
530 | { |
---|
531 | struct twitter_data *td = ic->proto_data; |
---|
532 | |
---|
533 | char *args[4]; |
---|
534 | args[0] = "cursor"; |
---|
535 | args[1] = g_strdup_printf("%lld", (long long) next_cursor); |
---|
536 | if (td->home_timeline_id) { |
---|
537 | args[2] = "since_id"; |
---|
538 | args[3] = g_strdup_printf("%llu", (long long unsigned int) td->home_timeline_id); |
---|
539 | } |
---|
540 | |
---|
541 | twitter_http(ic, TWITTER_HOME_TIMELINE_URL, twitter_http_get_home_timeline, ic, 0, args, |
---|
542 | td->home_timeline_id ? 4 : 2); |
---|
543 | |
---|
544 | g_free(args[1]); |
---|
545 | if (td->home_timeline_id) { |
---|
546 | g_free(args[3]); |
---|
547 | } |
---|
548 | } |
---|
549 | |
---|
550 | static char *twitter_msg_add_id(struct im_connection *ic, |
---|
551 | struct twitter_xml_status *txs, const char *prefix) |
---|
552 | { |
---|
553 | struct twitter_data *td = ic->proto_data; |
---|
554 | char *ret = NULL; |
---|
555 | |
---|
556 | if (!set_getbool(&ic->acc->set, "show_ids")) { |
---|
557 | if (*prefix) |
---|
558 | return g_strconcat(prefix, txs->text, NULL); |
---|
559 | else |
---|
560 | return NULL; |
---|
561 | } |
---|
562 | |
---|
563 | td->log[td->log_id].id = txs->id; |
---|
564 | td->log[td->log_id].bu = bee_user_by_handle(ic->bee, ic, txs->user->screen_name); |
---|
565 | if (txs->reply_to) { |
---|
566 | int i; |
---|
567 | for (i = 0; i < TWITTER_LOG_LENGTH; i++) |
---|
568 | if (td->log[i].id == txs->reply_to) { |
---|
569 | ret = g_strdup_printf("\002[\002%02d->%02d\002]\002 %s%s", |
---|
570 | td->log_id, i, prefix, txs->text); |
---|
571 | break; |
---|
572 | } |
---|
573 | } |
---|
574 | if (ret == NULL) |
---|
575 | ret = g_strdup_printf("\002[\002%02d\002]\002 %s%s", td->log_id, prefix, txs->text); |
---|
576 | td->log_id = (td->log_id + 1) % TWITTER_LOG_LENGTH; |
---|
577 | |
---|
578 | return ret; |
---|
579 | } |
---|
580 | |
---|
581 | static void twitter_groupchat_init(struct im_connection *ic) |
---|
582 | { |
---|
583 | char *name_hint; |
---|
584 | struct groupchat *gc; |
---|
585 | struct twitter_data *td = ic->proto_data; |
---|
586 | GSList *l; |
---|
587 | |
---|
588 | td->home_timeline_gc = gc = imcb_chat_new(ic, "home/timeline"); |
---|
589 | |
---|
590 | name_hint = g_strdup_printf("%s_%s", td->prefix, ic->acc->user); |
---|
591 | imcb_chat_name_hint(gc, name_hint); |
---|
592 | g_free(name_hint); |
---|
593 | |
---|
594 | for (l = ic->bee->users; l; l = l->next) { |
---|
595 | bee_user_t *bu = l->data; |
---|
596 | if (bu->ic == ic) |
---|
597 | imcb_chat_add_buddy(td->home_timeline_gc, bu->handle); |
---|
598 | } |
---|
599 | } |
---|
600 | |
---|
601 | /** |
---|
602 | * Function that is called to see the statuses in a groupchat window. |
---|
603 | */ |
---|
604 | static void twitter_groupchat(struct im_connection *ic, GSList * list) |
---|
605 | { |
---|
606 | struct twitter_data *td = ic->proto_data; |
---|
607 | GSList *l = NULL; |
---|
608 | struct twitter_xml_status *status; |
---|
609 | struct groupchat *gc; |
---|
610 | |
---|
611 | // Create a new groupchat if it does not exsist. |
---|
612 | if (!td->home_timeline_gc) |
---|
613 | twitter_groupchat_init(ic); |
---|
614 | |
---|
615 | gc = td->home_timeline_gc; |
---|
616 | if (!gc->joined) |
---|
617 | imcb_chat_add_buddy(gc, ic->acc->user); |
---|
618 | |
---|
619 | for (l = list; l; l = g_slist_next(l)) { |
---|
620 | char *msg; |
---|
621 | |
---|
622 | status = l->data; |
---|
623 | if (status->user == NULL || status->text == NULL) |
---|
624 | continue; |
---|
625 | |
---|
626 | twitter_add_buddy(ic, status->user->screen_name, status->user->name); |
---|
627 | |
---|
628 | strip_html(status->text); |
---|
629 | msg = twitter_msg_add_id(ic, status, ""); |
---|
630 | |
---|
631 | // Say it! |
---|
632 | if (g_strcasecmp(td->user, status->user->screen_name) == 0) |
---|
633 | imcb_chat_log(gc, "You: %s", msg ? msg : status->text); |
---|
634 | else |
---|
635 | imcb_chat_msg(gc, status->user->screen_name, |
---|
636 | msg ? msg : status->text, 0, status->created_at); |
---|
637 | |
---|
638 | g_free(msg); |
---|
639 | |
---|
640 | // Update the home_timeline_id to hold the highest id, so that by the next request |
---|
641 | // we won't pick up the updates already in the list. |
---|
642 | td->home_timeline_id = MAX(td->home_timeline_id, status->id); |
---|
643 | } |
---|
644 | } |
---|
645 | |
---|
646 | /** |
---|
647 | * Function that is called to see statuses as private messages. |
---|
648 | */ |
---|
649 | static void twitter_private_message_chat(struct im_connection *ic, GSList * list) |
---|
650 | { |
---|
651 | struct twitter_data *td = ic->proto_data; |
---|
652 | GSList *l = NULL; |
---|
653 | struct twitter_xml_status *status; |
---|
654 | char from[MAX_STRING]; |
---|
655 | gboolean mode_one; |
---|
656 | |
---|
657 | mode_one = g_strcasecmp(set_getstr(&ic->acc->set, "mode"), "one") == 0; |
---|
658 | |
---|
659 | if (mode_one) { |
---|
660 | g_snprintf(from, sizeof(from) - 1, "%s_%s", td->prefix, ic->acc->user); |
---|
661 | from[MAX_STRING - 1] = '\0'; |
---|
662 | } |
---|
663 | |
---|
664 | for (l = list; l; l = g_slist_next(l)) { |
---|
665 | char *prefix = NULL, *text = NULL; |
---|
666 | |
---|
667 | status = l->data; |
---|
668 | |
---|
669 | strip_html(status->text); |
---|
670 | if (mode_one) |
---|
671 | prefix = g_strdup_printf("\002<\002%s\002>\002 ", |
---|
672 | status->user->screen_name); |
---|
673 | else |
---|
674 | twitter_add_buddy(ic, status->user->screen_name, status->user->name); |
---|
675 | |
---|
676 | text = twitter_msg_add_id(ic, status, prefix ? prefix : ""); |
---|
677 | |
---|
678 | imcb_buddy_msg(ic, |
---|
679 | mode_one ? from : status->user->screen_name, |
---|
680 | text ? text : status->text, 0, status->created_at); |
---|
681 | |
---|
682 | // Update the home_timeline_id to hold the highest id, so that by the next request |
---|
683 | // we won't pick up the updates already in the list. |
---|
684 | td->home_timeline_id = MAX(td->home_timeline_id, status->id); |
---|
685 | |
---|
686 | g_free(text); |
---|
687 | g_free(prefix); |
---|
688 | } |
---|
689 | } |
---|
690 | |
---|
691 | /** |
---|
692 | * Callback for getting the home timeline. |
---|
693 | */ |
---|
694 | static void twitter_http_get_home_timeline(struct http_request *req) |
---|
695 | { |
---|
696 | struct im_connection *ic = req->data; |
---|
697 | struct twitter_data *td; |
---|
698 | struct xt_parser *parser; |
---|
699 | struct twitter_xml_list *txl; |
---|
700 | |
---|
701 | // Check if the connection is still active. |
---|
702 | if (!g_slist_find(twitter_connections, ic)) |
---|
703 | return; |
---|
704 | |
---|
705 | td = ic->proto_data; |
---|
706 | |
---|
707 | // Check if the HTTP request went well. |
---|
708 | if (req->status_code == 200) { |
---|
709 | td->http_fails = 0; |
---|
710 | if (!(ic->flags & OPT_LOGGED_IN)) |
---|
711 | imcb_connected(ic); |
---|
712 | } else if (req->status_code == 401) { |
---|
713 | imcb_error(ic, "Authentication failure"); |
---|
714 | imc_logout(ic, FALSE); |
---|
715 | return; |
---|
716 | } else { |
---|
717 | // It didn't go well, output the error and return. |
---|
718 | if (++td->http_fails >= 5) |
---|
719 | imcb_error(ic, "Could not retrieve %s: %s", |
---|
720 | TWITTER_HOME_TIMELINE_URL, twitter_parse_error(req)); |
---|
721 | |
---|
722 | return; |
---|
723 | } |
---|
724 | |
---|
725 | txl = g_new0(struct twitter_xml_list, 1); |
---|
726 | txl->list = NULL; |
---|
727 | |
---|
728 | // Parse the data. |
---|
729 | parser = xt_new(NULL, txl); |
---|
730 | xt_feed(parser, req->reply_body, req->body_size); |
---|
731 | // The root <statuses> node should hold the list of statuses <status> |
---|
732 | twitter_xt_get_status_list(ic, parser->root, txl); |
---|
733 | xt_free(parser); |
---|
734 | |
---|
735 | // See if the user wants to see the messages in a groupchat window or as private messages. |
---|
736 | if (txl->list == NULL); |
---|
737 | else if (g_strcasecmp(set_getstr(&ic->acc->set, "mode"), "chat") == 0) |
---|
738 | twitter_groupchat(ic, txl->list); |
---|
739 | else |
---|
740 | twitter_private_message_chat(ic, txl->list); |
---|
741 | |
---|
742 | // Free the structure. |
---|
743 | txl_free(txl); |
---|
744 | } |
---|
745 | |
---|
746 | /** |
---|
747 | * Callback to use after sending a POST request to twitter. |
---|
748 | * (Generic, used for a few kinds of queries.) |
---|
749 | */ |
---|
750 | static void twitter_http_post(struct http_request *req) |
---|
751 | { |
---|
752 | struct im_connection *ic = req->data; |
---|
753 | struct twitter_data *td; |
---|
754 | |
---|
755 | // Check if the connection is still active. |
---|
756 | if (!g_slist_find(twitter_connections, ic)) |
---|
757 | return; |
---|
758 | |
---|
759 | td = ic->proto_data; |
---|
760 | td->last_status_id = 0; |
---|
761 | |
---|
762 | // Check if the HTTP request went well. |
---|
763 | if (req->status_code != 200) { |
---|
764 | // It didn't go well, output the error and return. |
---|
765 | imcb_error(ic, "HTTP error: %s", twitter_parse_error(req)); |
---|
766 | return; |
---|
767 | } |
---|
768 | |
---|
769 | if (req->body_size > 0) { |
---|
770 | struct xt_parser *xp = NULL; |
---|
771 | struct xt_node *node; |
---|
772 | |
---|
773 | xp = xt_new(NULL, NULL); |
---|
774 | xt_feed(xp, req->reply_body, req->body_size); |
---|
775 | |
---|
776 | if ((node = xt_find_node(xp->root, "status")) && |
---|
777 | (node = xt_find_node(node->children, "id")) && node->text) |
---|
778 | td->last_status_id = g_ascii_strtoull(node->text, NULL, 10); |
---|
779 | |
---|
780 | xt_free(xp); |
---|
781 | } |
---|
782 | } |
---|
783 | |
---|
784 | /** |
---|
785 | * Function to POST a new status to twitter. |
---|
786 | */ |
---|
787 | void twitter_post_status(struct im_connection *ic, char *msg, guint64 in_reply_to) |
---|
788 | { |
---|
789 | char *args[4] = { |
---|
790 | "status", msg, |
---|
791 | "in_reply_to_status_id", |
---|
792 | g_strdup_printf("%llu", (unsigned long long) in_reply_to) |
---|
793 | }; |
---|
794 | twitter_http(ic, TWITTER_STATUS_UPDATE_URL, twitter_http_post, ic, 1, |
---|
795 | args, in_reply_to ? 4 : 2); |
---|
796 | g_free(args[3]); |
---|
797 | } |
---|
798 | |
---|
799 | |
---|
800 | /** |
---|
801 | * Function to POST a new message to twitter. |
---|
802 | */ |
---|
803 | void twitter_direct_messages_new(struct im_connection *ic, char *who, char *msg) |
---|
804 | { |
---|
805 | char *args[4]; |
---|
806 | args[0] = "screen_name"; |
---|
807 | args[1] = who; |
---|
808 | args[2] = "text"; |
---|
809 | args[3] = msg; |
---|
810 | // Use the same callback as for twitter_post_status, since it does basically the same. |
---|
811 | twitter_http(ic, TWITTER_DIRECT_MESSAGES_NEW_URL, twitter_http_post, ic, 1, args, 4); |
---|
812 | } |
---|
813 | |
---|
814 | void twitter_friendships_create_destroy(struct im_connection *ic, char *who, int create) |
---|
815 | { |
---|
816 | char *args[2]; |
---|
817 | args[0] = "screen_name"; |
---|
818 | args[1] = who; |
---|
819 | twitter_http(ic, create ? TWITTER_FRIENDSHIPS_CREATE_URL : TWITTER_FRIENDSHIPS_DESTROY_URL, |
---|
820 | twitter_http_post, ic, 1, args, 2); |
---|
821 | } |
---|
822 | |
---|
823 | void twitter_status_destroy(struct im_connection *ic, guint64 id) |
---|
824 | { |
---|
825 | char *url; |
---|
826 | url = g_strdup_printf("%s%llu%s", TWITTER_STATUS_DESTROY_URL, |
---|
827 | (unsigned long long) id, ".xml"); |
---|
828 | twitter_http(ic, url, twitter_http_post, ic, 1, NULL, 0); |
---|
829 | g_free(url); |
---|
830 | } |
---|
831 | |
---|
832 | void twitter_status_retweet(struct im_connection *ic, guint64 id) |
---|
833 | { |
---|
834 | char *url; |
---|
835 | url = g_strdup_printf("%s%llu%s", TWITTER_STATUS_RETWEET_URL, |
---|
836 | (unsigned long long) id, ".xml"); |
---|
837 | twitter_http(ic, url, twitter_http_post, ic, 1, NULL, 0); |
---|
838 | g_free(url); |
---|
839 | } |
---|