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 2009-2010 Geert Mulders <g.c.w.m.mulders@gmail.com> * |
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7 | * Copyright 2010-2012 Wilmer van der Gaast <wilmer@gaast.net> * |
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8 | * * |
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9 | * This library is free software; you can redistribute it and/or * |
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10 | * modify it under the terms of the GNU Lesser General Public * |
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11 | * License as published by the Free Software Foundation, version * |
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12 | * 2.1. * |
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13 | * * |
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14 | * This library is distributed in the hope that it will be useful, * |
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15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * |
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17 | * Lesser General Public License for more details. * |
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18 | * * |
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19 | * You should have received a copy of the GNU Lesser General Public License * |
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20 | * along with this library; if not, write to the Free Software Foundation, * |
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21 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * |
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22 | * * |
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23 | ****************************************************************************/ |
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24 | |
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25 | /* For strptime(): */ |
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26 | #if(__sun) |
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27 | #else |
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28 | #define _XOPEN_SOURCE |
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29 | #endif |
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30 | |
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31 | #include "twitter_http.h" |
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32 | #include "twitter.h" |
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33 | #include "bitlbee.h" |
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34 | #include "url.h" |
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35 | #include "misc.h" |
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36 | #include "base64.h" |
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37 | #include "xmltree.h" |
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38 | #include "twitter_lib.h" |
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39 | #include <ctype.h> |
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40 | #include <errno.h> |
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41 | |
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42 | /* GLib < 2.12.0 doesn't have g_ascii_strtoll(), work around using system strtoll(). */ |
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43 | /* GLib < 2.12.4 can be buggy: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=488013 */ |
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44 | #if !GLIB_CHECK_VERSION(2,12,5) |
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45 | #include <stdlib.h> |
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46 | #include <limits.h> |
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47 | #define g_ascii_strtoll strtoll |
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48 | #endif |
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49 | |
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50 | #define TXL_STATUS 1 |
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51 | #define TXL_USER 2 |
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52 | #define TXL_ID 3 |
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53 | |
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54 | struct twitter_xml_list { |
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55 | int type; |
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56 | gint64 next_cursor; |
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57 | GSList *list; |
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58 | }; |
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59 | |
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60 | struct twitter_xml_user { |
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61 | char *name; |
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62 | char *screen_name; |
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63 | }; |
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64 | |
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65 | struct twitter_xml_status { |
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66 | time_t created_at; |
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67 | char *text; |
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68 | struct twitter_xml_user *user; |
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69 | guint64 id, reply_to; |
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70 | }; |
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71 | |
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72 | static void twitter_groupchat_init(struct im_connection *ic); |
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73 | |
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74 | /** |
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75 | * Frees a twitter_xml_user struct. |
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76 | */ |
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77 | static void txu_free(struct twitter_xml_user *txu) |
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78 | { |
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79 | if (txu == NULL) |
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80 | return; |
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81 | |
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82 | g_free(txu->name); |
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83 | g_free(txu->screen_name); |
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84 | g_free(txu); |
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85 | } |
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86 | |
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87 | /** |
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88 | * Frees a twitter_xml_status struct. |
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89 | */ |
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90 | static void txs_free(struct twitter_xml_status *txs) |
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91 | { |
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92 | if (txs == NULL) |
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93 | return; |
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94 | |
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95 | g_free(txs->text); |
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96 | txu_free(txs->user); |
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97 | g_free(txs); |
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98 | } |
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99 | |
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100 | /** |
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101 | * Free a twitter_xml_list struct. |
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102 | * type is the type of list the struct holds. |
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103 | */ |
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104 | static void txl_free(struct twitter_xml_list *txl) |
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105 | { |
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106 | GSList *l; |
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107 | if (txl == NULL) |
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108 | return; |
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109 | |
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110 | for (l = txl->list; l; l = g_slist_next(l)) { |
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111 | if (txl->type == TXL_STATUS) { |
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112 | txs_free((struct twitter_xml_status *) l->data); |
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113 | } else if (txl->type == TXL_ID) { |
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114 | g_free(l->data); |
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115 | } else if (txl->type == TXL_USER) { |
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116 | txu_free(l->data); |
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117 | } |
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118 | } |
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119 | |
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120 | g_slist_free(txl->list); |
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121 | g_free(txl); |
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122 | } |
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123 | |
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124 | /** |
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125 | * Compare status elements |
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126 | */ |
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127 | static gint twitter_compare_elements(gconstpointer a, gconstpointer b) |
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128 | { |
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129 | struct twitter_xml_status *a_status = (struct twitter_xml_status *) a; |
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130 | struct twitter_xml_status *b_status = (struct twitter_xml_status *) b; |
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131 | |
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132 | if (a_status->created_at < b_status->created_at) { |
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133 | return -1; |
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134 | } else if (a_status->created_at > b_status->created_at) { |
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135 | return 1; |
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136 | } else { |
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137 | return 0; |
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138 | } |
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139 | } |
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140 | |
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141 | /** |
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142 | * Add a buddy if it is not already added, set the status to logged in. |
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143 | */ |
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144 | static void twitter_add_buddy(struct im_connection *ic, char *name, const char *fullname) |
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145 | { |
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146 | struct twitter_data *td = ic->proto_data; |
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147 | |
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148 | // Check if the buddy is already in the buddy list. |
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149 | if (!bee_user_by_handle(ic->bee, ic, name)) { |
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150 | char *mode = set_getstr(&ic->acc->set, "mode"); |
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151 | |
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152 | // The buddy is not in the list, add the buddy and set the status to logged in. |
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153 | imcb_add_buddy(ic, name, NULL); |
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154 | imcb_rename_buddy(ic, name, fullname); |
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155 | if (g_strcasecmp(mode, "chat") == 0) { |
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156 | /* Necessary so that nicks always get translated to the |
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157 | exact Twitter username. */ |
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158 | imcb_buddy_nick_hint(ic, name, name); |
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159 | imcb_chat_add_buddy(td->timeline_gc, name); |
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160 | } else if (g_strcasecmp(mode, "many") == 0) |
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161 | imcb_buddy_status(ic, name, OPT_LOGGED_IN, NULL, NULL); |
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162 | } |
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163 | } |
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164 | |
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165 | /* Warning: May return a malloc()ed value, which will be free()d on the next |
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166 | call. Only for short-term use. NOT THREADSAFE! */ |
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167 | char *twitter_parse_error(struct http_request *req) |
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168 | { |
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169 | static char *ret = NULL; |
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170 | struct xt_node *root, *node, *err; |
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171 | |
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172 | g_free(ret); |
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173 | ret = NULL; |
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174 | |
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175 | if (req->body_size > 0) { |
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176 | root = xt_from_string(req->reply_body, req->body_size); |
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177 | |
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178 | for (node = root; node; node = node->next) |
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179 | if ((err = xt_find_node(node->children, "error")) && err->text_len > 0) { |
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180 | ret = g_strdup_printf("%s (%s)", req->status_string, err->text); |
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181 | break; |
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182 | } |
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183 | |
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184 | xt_free_node(root); |
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185 | } |
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186 | |
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187 | return ret ? ret : req->status_string; |
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188 | } |
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189 | |
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190 | static struct xt_node *twitter_parse_response(struct im_connection *ic, struct http_request *req) |
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191 | { |
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192 | gboolean logging_in = !(ic->flags & OPT_LOGGED_IN); |
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193 | gboolean periodic; |
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194 | struct twitter_data *td = ic->proto_data; |
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195 | struct xt_node *ret; |
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196 | char path[64] = "", *s; |
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197 | |
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198 | if ((s = strchr(req->request, ' '))) { |
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199 | path[sizeof(path)-1] = '\0'; |
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200 | strncpy(path, s + 1, sizeof(path) - 1); |
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201 | if ((s = strchr(path, '?')) || (s = strchr(path, ' '))) |
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202 | *s = '\0'; |
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203 | } |
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204 | |
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205 | /* Kinda nasty. :-( Trying to suppress error messages, but only |
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206 | for periodic (i.e. mentions/timeline) queries. */ |
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207 | periodic = strstr(path, "timeline") || strstr(path, "mentions"); |
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208 | |
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209 | if (req->status_code == 401 && logging_in) { |
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210 | /* IIRC Twitter once had an outage where they were randomly |
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211 | throwing 401s so I'll keep treating this one as fatal |
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212 | only during login. */ |
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213 | imcb_error(ic, "Authentication failure"); |
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214 | imc_logout(ic, FALSE); |
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215 | return NULL; |
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216 | } else if (req->status_code != 200) { |
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217 | // It didn't go well, output the error and return. |
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218 | if (!periodic || logging_in || ++td->http_fails >= 5) |
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219 | imcb_error(ic, "Could not retrieve %s: %s", |
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220 | path, twitter_parse_error(req)); |
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221 | |
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222 | if (logging_in) |
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223 | imc_logout(ic, TRUE); |
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224 | return NULL; |
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225 | } else { |
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226 | td->http_fails = 0; |
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227 | } |
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228 | |
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229 | if ((ret = xt_from_string(req->reply_body, req->body_size)) == NULL) { |
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230 | imcb_error(ic, "Could not retrieve %s: %s", |
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231 | path, "XML parse error"); |
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232 | } |
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233 | return ret; |
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234 | } |
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235 | |
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236 | static void twitter_http_get_friends_ids(struct http_request *req); |
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237 | |
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238 | /** |
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239 | * Get the friends ids. |
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240 | */ |
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241 | void twitter_get_friends_ids(struct im_connection *ic, gint64 next_cursor) |
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242 | { |
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243 | // Primitive, but hey! It works... |
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244 | char *args[2]; |
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245 | args[0] = "cursor"; |
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246 | args[1] = g_strdup_printf("%lld", (long long) next_cursor); |
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247 | twitter_http(ic, TWITTER_FRIENDS_IDS_URL, twitter_http_get_friends_ids, ic, 0, args, 2); |
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248 | |
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249 | g_free(args[1]); |
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250 | } |
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251 | |
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252 | /** |
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253 | * Function to help fill a list. |
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254 | */ |
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255 | static xt_status twitter_xt_next_cursor(struct xt_node *node, struct twitter_xml_list *txl) |
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256 | { |
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257 | char *end = NULL; |
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258 | |
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259 | if (node->text) |
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260 | txl->next_cursor = g_ascii_strtoll(node->text, &end, 10); |
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261 | if (end == NULL) |
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262 | txl->next_cursor = -1; |
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263 | |
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264 | return XT_HANDLED; |
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265 | } |
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266 | |
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267 | /** |
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268 | * Fill a list of ids. |
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269 | */ |
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270 | static xt_status twitter_xt_get_friends_id_list(struct xt_node *node, struct twitter_xml_list *txl) |
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271 | { |
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272 | struct xt_node *child; |
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273 | |
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274 | // Set the list type. |
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275 | txl->type = TXL_ID; |
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276 | |
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277 | // The root <statuses> node should hold the list of statuses <status> |
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278 | // Walk over the nodes children. |
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279 | for (child = node->children; child; child = child->next) { |
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280 | if (g_strcasecmp("ids", child->name) == 0) { |
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281 | struct xt_node *idc; |
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282 | for (idc = child->children; idc; idc = idc->next) |
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283 | if (g_strcasecmp(idc->name, "id") == 0) |
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284 | txl->list = g_slist_prepend(txl->list, |
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285 | g_memdup(idc->text, idc->text_len + 1)); |
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286 | } else if (g_strcasecmp("next_cursor", child->name) == 0) { |
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287 | twitter_xt_next_cursor(child, txl); |
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288 | } |
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289 | } |
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290 | |
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291 | return XT_HANDLED; |
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292 | } |
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293 | |
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294 | static void twitter_get_users_lookup(struct im_connection *ic); |
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295 | |
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296 | /** |
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297 | * Callback for getting the friends ids. |
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298 | */ |
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299 | static void twitter_http_get_friends_ids(struct http_request *req) |
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300 | { |
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301 | struct im_connection *ic; |
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302 | struct xt_node *parsed; |
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303 | struct twitter_xml_list *txl; |
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304 | struct twitter_data *td; |
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305 | |
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306 | ic = req->data; |
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307 | |
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308 | // Check if the connection is still active. |
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309 | if (!g_slist_find(twitter_connections, ic)) |
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310 | return; |
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311 | |
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312 | td = ic->proto_data; |
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313 | |
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314 | /* Create the room now that we "logged in". */ |
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315 | if (!td->timeline_gc && g_strcasecmp(set_getstr(&ic->acc->set, "mode"), "chat") == 0) |
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316 | twitter_groupchat_init(ic); |
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317 | |
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318 | txl = g_new0(struct twitter_xml_list, 1); |
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319 | txl->list = td->follow_ids; |
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320 | |
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321 | // Parse the data. |
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322 | if (!(parsed = twitter_parse_response(ic, req))) |
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323 | return; |
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324 | twitter_xt_get_friends_id_list(parsed, txl); |
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325 | xt_free_node(parsed); |
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326 | |
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327 | td->follow_ids = txl->list; |
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328 | if (txl->next_cursor) |
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329 | /* These were just numbers. Up to 4000 in a response AFAIK so if we get here |
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330 | we may be using a spammer account. \o/ */ |
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331 | twitter_get_friends_ids(ic, txl->next_cursor); |
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332 | else |
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333 | /* Now to convert all those numbers into names.. */ |
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334 | twitter_get_users_lookup(ic); |
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335 | |
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336 | txl->list = NULL; |
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337 | txl_free(txl); |
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338 | } |
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339 | |
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340 | static xt_status twitter_xt_get_users(struct xt_node *node, struct twitter_xml_list *txl); |
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341 | static void twitter_http_get_users_lookup(struct http_request *req); |
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342 | |
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343 | static void twitter_get_users_lookup(struct im_connection *ic) |
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344 | { |
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345 | struct twitter_data *td = ic->proto_data; |
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346 | char *args[2] = { |
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347 | "user_id", |
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348 | NULL, |
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349 | }; |
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350 | GString *ids = g_string_new(""); |
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351 | int i; |
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352 | |
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353 | /* We can request up to 100 users at a time. */ |
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354 | for (i = 0; i < 100 && td->follow_ids; i ++) { |
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355 | g_string_append_printf(ids, ",%s", (char*) td->follow_ids->data); |
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356 | g_free(td->follow_ids->data); |
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357 | td->follow_ids = g_slist_remove(td->follow_ids, td->follow_ids->data); |
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358 | } |
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359 | if (ids->len > 0) { |
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360 | args[1] = ids->str + 1; |
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361 | /* POST, because I think ids can be up to 1KB long. */ |
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362 | twitter_http(ic, TWITTER_USERS_LOOKUP_URL, twitter_http_get_users_lookup, ic, 1, args, 2); |
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363 | } else { |
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364 | /* We have all users. Continue with login. (Get statuses.) */ |
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365 | td->flags |= TWITTER_HAVE_FRIENDS; |
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366 | twitter_login_finish(ic); |
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367 | } |
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368 | g_string_free(ids, TRUE); |
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369 | } |
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370 | |
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371 | /** |
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372 | * Callback for getting (twitter)friends... |
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373 | * |
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374 | * Be afraid, be very afraid! This function will potentially add hundreds of "friends". "Who has |
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375 | * hundreds of friends?" you wonder? You probably not, since you are reading the source of |
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376 | * BitlBee... Get a life and meet new people! |
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377 | */ |
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378 | static void twitter_http_get_users_lookup(struct http_request *req) |
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379 | { |
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380 | struct im_connection *ic = req->data; |
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381 | struct xt_node *parsed; |
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382 | struct twitter_xml_list *txl; |
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383 | GSList *l = NULL; |
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384 | struct twitter_xml_user *user; |
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385 | |
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386 | // Check if the connection is still active. |
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387 | if (!g_slist_find(twitter_connections, ic)) |
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388 | return; |
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389 | |
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390 | txl = g_new0(struct twitter_xml_list, 1); |
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391 | txl->list = NULL; |
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392 | |
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393 | // Get the user list from the parsed xml feed. |
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394 | if (!(parsed = twitter_parse_response(ic, req))) |
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395 | return; |
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396 | twitter_xt_get_users(parsed, txl); |
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397 | xt_free_node(parsed); |
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398 | |
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399 | // Add the users as buddies. |
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400 | for (l = txl->list; l; l = g_slist_next(l)) { |
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401 | user = l->data; |
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402 | twitter_add_buddy(ic, user->screen_name, user->name); |
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403 | } |
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404 | |
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405 | // Free the structure. |
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406 | txl_free(txl); |
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407 | |
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408 | twitter_get_users_lookup(ic); |
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409 | } |
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410 | |
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411 | /** |
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412 | * Function to fill a twitter_xml_user struct. |
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413 | * It sets: |
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414 | * - the name and |
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415 | * - the screen_name. |
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416 | */ |
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417 | static xt_status twitter_xt_get_user(struct xt_node *node, struct twitter_xml_user *txu) |
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418 | { |
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419 | struct xt_node *child; |
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420 | |
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421 | // Walk over the nodes children. |
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422 | for (child = node->children; child; child = child->next) { |
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423 | if (g_strcasecmp("name", child->name) == 0) { |
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424 | txu->name = g_memdup(child->text, child->text_len + 1); |
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425 | } else if (g_strcasecmp("screen_name", child->name) == 0) { |
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426 | txu->screen_name = g_memdup(child->text, child->text_len + 1); |
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427 | } |
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428 | } |
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429 | return XT_HANDLED; |
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430 | } |
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431 | |
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432 | /** |
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433 | * Function to fill a twitter_xml_list struct. |
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434 | * It sets: |
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435 | * - all <user>s from the <users> element. |
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436 | */ |
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437 | static xt_status twitter_xt_get_users(struct xt_node *node, struct twitter_xml_list *txl) |
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438 | { |
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439 | struct twitter_xml_user *txu; |
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440 | struct xt_node *child; |
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441 | |
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442 | // Set the type of the list. |
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443 | txl->type = TXL_USER; |
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444 | |
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445 | // The root <users> node should hold the list of users <user> |
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446 | // Walk over the nodes children. |
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447 | for (child = node->children; child; child = child->next) { |
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448 | if (g_strcasecmp("user", child->name) == 0) { |
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449 | txu = g_new0(struct twitter_xml_user, 1); |
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450 | twitter_xt_get_user(child, txu); |
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451 | // Put the item in the front of the list. |
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452 | txl->list = g_slist_prepend(txl->list, txu); |
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453 | } |
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454 | } |
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455 | |
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456 | return XT_HANDLED; |
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457 | } |
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458 | |
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459 | #ifdef __GLIBC__ |
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460 | #define TWITTER_TIME_FORMAT "%a %b %d %H:%M:%S %z %Y" |
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461 | #else |
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462 | #define TWITTER_TIME_FORMAT "%a %b %d %H:%M:%S +0000 %Y" |
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463 | #endif |
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464 | |
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465 | /** |
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466 | * Function to fill a twitter_xml_status struct. |
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467 | * It sets: |
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468 | * - the status text and |
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469 | * - the created_at timestamp and |
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470 | * - the status id and |
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471 | * - the user in a twitter_xml_user struct. |
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472 | */ |
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473 | static xt_status twitter_xt_get_status(struct xt_node *node, struct twitter_xml_status *txs) |
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474 | { |
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475 | struct xt_node *child, *rt = NULL; |
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476 | |
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477 | // Walk over the nodes children. |
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478 | for (child = node->children; child; child = child->next) { |
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479 | if (g_strcasecmp("text", child->name) == 0) { |
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480 | txs->text = g_memdup(child->text, child->text_len + 1); |
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481 | } else if (g_strcasecmp("retweeted_status", child->name) == 0) { |
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482 | rt = child; |
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483 | } else if (g_strcasecmp("created_at", child->name) == 0) { |
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484 | struct tm parsed; |
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485 | |
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486 | /* Very sensitive to changes to the formatting of |
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487 | this field. :-( Also assumes the timezone used |
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488 | is UTC since C time handling functions suck. */ |
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489 | if (strptime(child->text, TWITTER_TIME_FORMAT, &parsed) != NULL) |
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490 | txs->created_at = mktime_utc(&parsed); |
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491 | } else if (g_strcasecmp("user", child->name) == 0) { |
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492 | txs->user = g_new0(struct twitter_xml_user, 1); |
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493 | twitter_xt_get_user(child, txs->user); |
---|
494 | } else if (g_strcasecmp("id", child->name) == 0) { |
---|
495 | txs->id = g_ascii_strtoull(child->text, NULL, 10); |
---|
496 | } else if (g_strcasecmp("in_reply_to_status_id", child->name) == 0) { |
---|
497 | txs->reply_to = g_ascii_strtoull(child->text, NULL, 10); |
---|
498 | } |
---|
499 | } |
---|
500 | |
---|
501 | /* If it's a (truncated) retweet, get the original. Even if the API claims it |
---|
502 | wasn't truncated because it may be lying. */ |
---|
503 | if (rt) { |
---|
504 | struct twitter_xml_status *rtxs = g_new0(struct twitter_xml_status, 1); |
---|
505 | if (twitter_xt_get_status(rt, rtxs) != XT_HANDLED) { |
---|
506 | txs_free(rtxs); |
---|
507 | return XT_HANDLED; |
---|
508 | } |
---|
509 | |
---|
510 | g_free(txs->text); |
---|
511 | txs->text = g_strdup_printf("RT @%s: %s", rtxs->user->screen_name, rtxs->text); |
---|
512 | txs_free(rtxs); |
---|
513 | } else { |
---|
514 | struct xt_node *urls, *url; |
---|
515 | |
---|
516 | urls = xt_find_path(node, "entities"); |
---|
517 | if (urls != NULL) |
---|
518 | urls = urls->children; |
---|
519 | for (; urls; urls = urls->next) { |
---|
520 | if (strcmp(urls->name, "urls") != 0 && strcmp(urls->name, "media") != 0) |
---|
521 | continue; |
---|
522 | |
---|
523 | for (url = urls ? urls->children : NULL; url; url = url->next) { |
---|
524 | /* "short" is a reserved word. :-P */ |
---|
525 | struct xt_node *kort = xt_find_node(url->children, "url"); |
---|
526 | struct xt_node *disp = xt_find_node(url->children, "display_url"); |
---|
527 | char *pos, *new; |
---|
528 | |
---|
529 | if (!kort || !kort->text || !disp || !disp->text || |
---|
530 | !(pos = strstr(txs->text, kort->text))) |
---|
531 | continue; |
---|
532 | |
---|
533 | *pos = '\0'; |
---|
534 | new = g_strdup_printf("%s%s <%s>%s", txs->text, kort->text, |
---|
535 | disp->text, pos + strlen(kort->text)); |
---|
536 | |
---|
537 | g_free(txs->text); |
---|
538 | txs->text = new; |
---|
539 | } |
---|
540 | } |
---|
541 | } |
---|
542 | |
---|
543 | return XT_HANDLED; |
---|
544 | } |
---|
545 | |
---|
546 | /** |
---|
547 | * Function to fill a twitter_xml_list struct. |
---|
548 | * It sets: |
---|
549 | * - all <status>es within the <status> element and |
---|
550 | * - the next_cursor. |
---|
551 | */ |
---|
552 | static xt_status twitter_xt_get_status_list(struct im_connection *ic, struct xt_node *node, |
---|
553 | struct twitter_xml_list *txl) |
---|
554 | { |
---|
555 | struct twitter_xml_status *txs; |
---|
556 | struct xt_node *child; |
---|
557 | bee_user_t *bu; |
---|
558 | |
---|
559 | // Set the type of the list. |
---|
560 | txl->type = TXL_STATUS; |
---|
561 | |
---|
562 | // The root <statuses> node should hold the list of statuses <status> |
---|
563 | // Walk over the nodes children. |
---|
564 | for (child = node->children; child; child = child->next) { |
---|
565 | if (g_strcasecmp("status", child->name) == 0) { |
---|
566 | txs = g_new0(struct twitter_xml_status, 1); |
---|
567 | twitter_xt_get_status(child, txs); |
---|
568 | // Put the item in the front of the list. |
---|
569 | txl->list = g_slist_prepend(txl->list, txs); |
---|
570 | |
---|
571 | if (txs->user && txs->user->screen_name && |
---|
572 | (bu = bee_user_by_handle(ic->bee, ic, txs->user->screen_name))) { |
---|
573 | struct twitter_user_data *tud = bu->data; |
---|
574 | |
---|
575 | if (txs->id > tud->last_id) { |
---|
576 | tud->last_id = txs->id; |
---|
577 | tud->last_time = txs->created_at; |
---|
578 | } |
---|
579 | } |
---|
580 | } else if (g_strcasecmp("next_cursor", child->name) == 0) { |
---|
581 | twitter_xt_next_cursor(child, txl); |
---|
582 | } |
---|
583 | } |
---|
584 | |
---|
585 | return XT_HANDLED; |
---|
586 | } |
---|
587 | |
---|
588 | static char *twitter_msg_add_id(struct im_connection *ic, |
---|
589 | struct twitter_xml_status *txs, const char *prefix) |
---|
590 | { |
---|
591 | struct twitter_data *td = ic->proto_data; |
---|
592 | char *ret = NULL; |
---|
593 | |
---|
594 | if (!set_getbool(&ic->acc->set, "show_ids")) { |
---|
595 | if (*prefix) |
---|
596 | return g_strconcat(prefix, txs->text, NULL); |
---|
597 | else |
---|
598 | return NULL; |
---|
599 | } |
---|
600 | |
---|
601 | td->log[td->log_id].id = txs->id; |
---|
602 | td->log[td->log_id].bu = bee_user_by_handle(ic->bee, ic, txs->user->screen_name); |
---|
603 | if (txs->reply_to) { |
---|
604 | int i; |
---|
605 | for (i = 0; i < TWITTER_LOG_LENGTH; i++) |
---|
606 | if (td->log[i].id == txs->reply_to) { |
---|
607 | ret = g_strdup_printf("\002[\002%02d->%02d\002]\002 %s%s", |
---|
608 | td->log_id, i, prefix, txs->text); |
---|
609 | break; |
---|
610 | } |
---|
611 | } |
---|
612 | if (ret == NULL) |
---|
613 | ret = g_strdup_printf("\002[\002%02d\002]\002 %s%s", td->log_id, prefix, txs->text); |
---|
614 | td->log_id = (td->log_id + 1) % TWITTER_LOG_LENGTH; |
---|
615 | |
---|
616 | return ret; |
---|
617 | } |
---|
618 | |
---|
619 | static void twitter_groupchat_init(struct im_connection *ic) |
---|
620 | { |
---|
621 | char *name_hint; |
---|
622 | struct groupchat *gc; |
---|
623 | struct twitter_data *td = ic->proto_data; |
---|
624 | GSList *l; |
---|
625 | |
---|
626 | td->timeline_gc = gc = imcb_chat_new(ic, "twitter/timeline"); |
---|
627 | |
---|
628 | name_hint = g_strdup_printf("%s_%s", td->prefix, ic->acc->user); |
---|
629 | imcb_chat_name_hint(gc, name_hint); |
---|
630 | g_free(name_hint); |
---|
631 | |
---|
632 | for (l = ic->bee->users; l; l = l->next) { |
---|
633 | bee_user_t *bu = l->data; |
---|
634 | if (bu->ic == ic) |
---|
635 | imcb_chat_add_buddy(td->timeline_gc, bu->handle); |
---|
636 | } |
---|
637 | } |
---|
638 | |
---|
639 | /** |
---|
640 | * Function that is called to see the statuses in a groupchat window. |
---|
641 | */ |
---|
642 | static void twitter_groupchat(struct im_connection *ic, GSList * list) |
---|
643 | { |
---|
644 | struct twitter_data *td = ic->proto_data; |
---|
645 | GSList *l = NULL; |
---|
646 | struct twitter_xml_status *status; |
---|
647 | struct groupchat *gc; |
---|
648 | guint64 last_id = 0; |
---|
649 | |
---|
650 | // Create a new groupchat if it does not exsist. |
---|
651 | if (!td->timeline_gc) |
---|
652 | twitter_groupchat_init(ic); |
---|
653 | |
---|
654 | gc = td->timeline_gc; |
---|
655 | if (!gc->joined) |
---|
656 | imcb_chat_add_buddy(gc, ic->acc->user); |
---|
657 | |
---|
658 | for (l = list; l; l = g_slist_next(l)) { |
---|
659 | char *msg; |
---|
660 | |
---|
661 | status = l->data; |
---|
662 | if (status->user == NULL || status->text == NULL || last_id == status->id) |
---|
663 | continue; |
---|
664 | |
---|
665 | last_id = status->id; |
---|
666 | |
---|
667 | strip_html(status->text); |
---|
668 | |
---|
669 | if (set_getbool(&ic->acc->set, "strip_newlines")) |
---|
670 | strip_newlines(status->text); |
---|
671 | |
---|
672 | msg = twitter_msg_add_id(ic, status, ""); |
---|
673 | |
---|
674 | // Say it! |
---|
675 | if (g_strcasecmp(td->user, status->user->screen_name) == 0) { |
---|
676 | imcb_chat_log(gc, "You: %s", msg ? msg : status->text); |
---|
677 | } else { |
---|
678 | twitter_add_buddy(ic, status->user->screen_name, status->user->name); |
---|
679 | |
---|
680 | imcb_chat_msg(gc, status->user->screen_name, |
---|
681 | msg ? msg : status->text, 0, status->created_at); |
---|
682 | } |
---|
683 | |
---|
684 | g_free(msg); |
---|
685 | |
---|
686 | // Update the timeline_id to hold the highest id, so that by the next request |
---|
687 | // we won't pick up the updates already in the list. |
---|
688 | td->timeline_id = MAX(td->timeline_id, status->id); |
---|
689 | } |
---|
690 | } |
---|
691 | |
---|
692 | /** |
---|
693 | * Function that is called to see statuses as private messages. |
---|
694 | */ |
---|
695 | static void twitter_private_message_chat(struct im_connection *ic, GSList * list) |
---|
696 | { |
---|
697 | struct twitter_data *td = ic->proto_data; |
---|
698 | GSList *l = NULL; |
---|
699 | struct twitter_xml_status *status; |
---|
700 | char from[MAX_STRING]; |
---|
701 | gboolean mode_one; |
---|
702 | guint64 last_id = 0; |
---|
703 | |
---|
704 | mode_one = g_strcasecmp(set_getstr(&ic->acc->set, "mode"), "one") == 0; |
---|
705 | |
---|
706 | if (mode_one) { |
---|
707 | g_snprintf(from, sizeof(from) - 1, "%s_%s", td->prefix, ic->acc->user); |
---|
708 | from[MAX_STRING - 1] = '\0'; |
---|
709 | } |
---|
710 | |
---|
711 | for (l = list; l; l = g_slist_next(l)) { |
---|
712 | char *prefix = NULL, *text = NULL; |
---|
713 | |
---|
714 | status = l->data; |
---|
715 | if (status->user == NULL || status->text == NULL || last_id == status->id) |
---|
716 | continue; |
---|
717 | |
---|
718 | last_id = status->id; |
---|
719 | |
---|
720 | strip_html(status->text); |
---|
721 | if (mode_one) |
---|
722 | prefix = g_strdup_printf("\002<\002%s\002>\002 ", |
---|
723 | status->user->screen_name); |
---|
724 | else |
---|
725 | twitter_add_buddy(ic, status->user->screen_name, status->user->name); |
---|
726 | |
---|
727 | text = twitter_msg_add_id(ic, status, prefix ? prefix : ""); |
---|
728 | |
---|
729 | imcb_buddy_msg(ic, |
---|
730 | mode_one ? from : status->user->screen_name, |
---|
731 | text ? text : status->text, 0, status->created_at); |
---|
732 | |
---|
733 | // Update the timeline_id to hold the highest id, so that by the next request |
---|
734 | // we won't pick up the updates already in the list. |
---|
735 | td->timeline_id = MAX(td->timeline_id, status->id); |
---|
736 | |
---|
737 | g_free(text); |
---|
738 | g_free(prefix); |
---|
739 | } |
---|
740 | } |
---|
741 | |
---|
742 | static void twitter_http_get_home_timeline(struct http_request *req); |
---|
743 | static void twitter_http_get_mentions(struct http_request *req); |
---|
744 | |
---|
745 | /** |
---|
746 | * Get the timeline with optionally mentions |
---|
747 | */ |
---|
748 | void twitter_get_timeline(struct im_connection *ic, gint64 next_cursor) |
---|
749 | { |
---|
750 | struct twitter_data *td = ic->proto_data; |
---|
751 | gboolean include_mentions = set_getbool(&ic->acc->set, "fetch_mentions"); |
---|
752 | |
---|
753 | if (td->flags & TWITTER_DOING_TIMELINE) { |
---|
754 | if (++td->http_fails >= 5) { |
---|
755 | imcb_error(ic, "Fetch timeout (%d)", td->flags); |
---|
756 | imc_logout(ic, TRUE); |
---|
757 | } |
---|
758 | } |
---|
759 | |
---|
760 | td->flags |= TWITTER_DOING_TIMELINE; |
---|
761 | |
---|
762 | twitter_get_home_timeline(ic, next_cursor); |
---|
763 | |
---|
764 | if (include_mentions) { |
---|
765 | twitter_get_mentions(ic, next_cursor); |
---|
766 | } |
---|
767 | } |
---|
768 | |
---|
769 | /** |
---|
770 | * Call this one after receiving timeline/mentions. Show to user once we have |
---|
771 | * both. |
---|
772 | */ |
---|
773 | void twitter_flush_timeline(struct im_connection *ic) |
---|
774 | { |
---|
775 | struct twitter_data *td = ic->proto_data; |
---|
776 | gboolean include_mentions = set_getbool(&ic->acc->set, "fetch_mentions"); |
---|
777 | int show_old_mentions = set_getint(&ic->acc->set, "show_old_mentions"); |
---|
778 | struct twitter_xml_list *home_timeline = td->home_timeline_obj; |
---|
779 | struct twitter_xml_list *mentions = td->mentions_obj; |
---|
780 | GSList *output = NULL; |
---|
781 | GSList *l; |
---|
782 | |
---|
783 | if (!(td->flags & TWITTER_GOT_TIMELINE)) { |
---|
784 | return; |
---|
785 | } |
---|
786 | |
---|
787 | if (include_mentions && !(td->flags & TWITTER_GOT_MENTIONS)) { |
---|
788 | return; |
---|
789 | } |
---|
790 | |
---|
791 | if (home_timeline && home_timeline->list) { |
---|
792 | for (l = home_timeline->list; l; l = g_slist_next(l)) { |
---|
793 | output = g_slist_insert_sorted(output, l->data, twitter_compare_elements); |
---|
794 | } |
---|
795 | } |
---|
796 | |
---|
797 | if (include_mentions && mentions && mentions->list) { |
---|
798 | for (l = mentions->list; l; l = g_slist_next(l)) { |
---|
799 | if (show_old_mentions < 1 && output && twitter_compare_elements(l->data, output->data) < 0) { |
---|
800 | continue; |
---|
801 | } |
---|
802 | |
---|
803 | output = g_slist_insert_sorted(output, l->data, twitter_compare_elements); |
---|
804 | } |
---|
805 | } |
---|
806 | |
---|
807 | if (!(ic->flags & OPT_LOGGED_IN)) |
---|
808 | imcb_connected(ic); |
---|
809 | |
---|
810 | // See if the user wants to see the messages in a groupchat window or as private messages. |
---|
811 | if (g_strcasecmp(set_getstr(&ic->acc->set, "mode"), "chat") == 0) |
---|
812 | twitter_groupchat(ic, output); |
---|
813 | else |
---|
814 | twitter_private_message_chat(ic, output); |
---|
815 | |
---|
816 | g_slist_free(output); |
---|
817 | |
---|
818 | txl_free(home_timeline); |
---|
819 | txl_free(mentions); |
---|
820 | |
---|
821 | td->flags &= ~(TWITTER_DOING_TIMELINE | TWITTER_GOT_TIMELINE | TWITTER_GOT_MENTIONS); |
---|
822 | td->home_timeline_obj = td->mentions_obj = NULL; |
---|
823 | } |
---|
824 | |
---|
825 | /** |
---|
826 | * Get the timeline. |
---|
827 | */ |
---|
828 | void twitter_get_home_timeline(struct im_connection *ic, gint64 next_cursor) |
---|
829 | { |
---|
830 | struct twitter_data *td = ic->proto_data; |
---|
831 | |
---|
832 | txl_free(td->home_timeline_obj); |
---|
833 | td->home_timeline_obj = NULL; |
---|
834 | td->flags &= ~TWITTER_GOT_TIMELINE; |
---|
835 | |
---|
836 | char *args[6]; |
---|
837 | args[0] = "cursor"; |
---|
838 | args[1] = g_strdup_printf("%lld", (long long) next_cursor); |
---|
839 | args[2] = "include_entities"; |
---|
840 | args[3] = "true"; |
---|
841 | if (td->timeline_id) { |
---|
842 | args[4] = "since_id"; |
---|
843 | args[5] = g_strdup_printf("%llu", (long long unsigned int) td->timeline_id); |
---|
844 | } |
---|
845 | |
---|
846 | if (twitter_http(ic, TWITTER_HOME_TIMELINE_URL, twitter_http_get_home_timeline, ic, 0, args, |
---|
847 | td->timeline_id ? 6 : 4) == NULL) { |
---|
848 | if (++td->http_fails >= 5) |
---|
849 | imcb_error(ic, "Could not retrieve %s: %s", |
---|
850 | TWITTER_HOME_TIMELINE_URL, "connection failed"); |
---|
851 | td->flags |= TWITTER_GOT_TIMELINE; |
---|
852 | twitter_flush_timeline(ic); |
---|
853 | } |
---|
854 | |
---|
855 | g_free(args[1]); |
---|
856 | if (td->timeline_id) { |
---|
857 | g_free(args[5]); |
---|
858 | } |
---|
859 | } |
---|
860 | |
---|
861 | /** |
---|
862 | * Get mentions. |
---|
863 | */ |
---|
864 | void twitter_get_mentions(struct im_connection *ic, gint64 next_cursor) |
---|
865 | { |
---|
866 | struct twitter_data *td = ic->proto_data; |
---|
867 | |
---|
868 | txl_free(td->mentions_obj); |
---|
869 | td->mentions_obj = NULL; |
---|
870 | td->flags &= ~TWITTER_GOT_MENTIONS; |
---|
871 | |
---|
872 | char *args[6]; |
---|
873 | args[0] = "cursor"; |
---|
874 | args[1] = g_strdup_printf("%lld", (long long) next_cursor); |
---|
875 | args[2] = "include_entities"; |
---|
876 | args[3] = "true"; |
---|
877 | if (td->timeline_id) { |
---|
878 | args[4] = "since_id"; |
---|
879 | args[5] = g_strdup_printf("%llu", (long long unsigned int) td->timeline_id); |
---|
880 | } else { |
---|
881 | args[4] = "count"; |
---|
882 | args[5] = g_strdup_printf("%d", set_getint(&ic->acc->set, "show_old_mentions")); |
---|
883 | } |
---|
884 | |
---|
885 | if (twitter_http(ic, TWITTER_MENTIONS_URL, twitter_http_get_mentions, |
---|
886 | ic, 0, args, 6) == NULL) { |
---|
887 | if (++td->http_fails >= 5) |
---|
888 | imcb_error(ic, "Could not retrieve %s: %s", |
---|
889 | TWITTER_MENTIONS_URL, "connection failed"); |
---|
890 | td->flags |= TWITTER_GOT_MENTIONS; |
---|
891 | twitter_flush_timeline(ic); |
---|
892 | } |
---|
893 | |
---|
894 | g_free(args[1]); |
---|
895 | if (td->timeline_id) { |
---|
896 | g_free(args[5]); |
---|
897 | } |
---|
898 | } |
---|
899 | |
---|
900 | /** |
---|
901 | * Callback for getting the home timeline. |
---|
902 | */ |
---|
903 | static void twitter_http_get_home_timeline(struct http_request *req) |
---|
904 | { |
---|
905 | struct im_connection *ic = req->data; |
---|
906 | struct twitter_data *td; |
---|
907 | struct xt_node *parsed; |
---|
908 | struct twitter_xml_list *txl; |
---|
909 | |
---|
910 | // Check if the connection is still active. |
---|
911 | if (!g_slist_find(twitter_connections, ic)) |
---|
912 | return; |
---|
913 | |
---|
914 | td = ic->proto_data; |
---|
915 | |
---|
916 | txl = g_new0(struct twitter_xml_list, 1); |
---|
917 | txl->list = NULL; |
---|
918 | |
---|
919 | // The root <statuses> node should hold the list of statuses <status> |
---|
920 | if (!(parsed = twitter_parse_response(ic, req))) |
---|
921 | goto end; |
---|
922 | twitter_xt_get_status_list(ic, parsed, txl); |
---|
923 | xt_free_node(parsed); |
---|
924 | |
---|
925 | td->home_timeline_obj = txl; |
---|
926 | |
---|
927 | end: |
---|
928 | td->flags |= TWITTER_GOT_TIMELINE; |
---|
929 | |
---|
930 | twitter_flush_timeline(ic); |
---|
931 | } |
---|
932 | |
---|
933 | /** |
---|
934 | * Callback for getting mentions. |
---|
935 | */ |
---|
936 | static void twitter_http_get_mentions(struct http_request *req) |
---|
937 | { |
---|
938 | struct im_connection *ic = req->data; |
---|
939 | struct twitter_data *td; |
---|
940 | struct xt_node *parsed; |
---|
941 | struct twitter_xml_list *txl; |
---|
942 | |
---|
943 | // Check if the connection is still active. |
---|
944 | if (!g_slist_find(twitter_connections, ic)) |
---|
945 | return; |
---|
946 | |
---|
947 | td = ic->proto_data; |
---|
948 | |
---|
949 | txl = g_new0(struct twitter_xml_list, 1); |
---|
950 | txl->list = NULL; |
---|
951 | |
---|
952 | // The root <statuses> node should hold the list of statuses <status> |
---|
953 | if (!(parsed = twitter_parse_response(ic, req))) |
---|
954 | goto end; |
---|
955 | twitter_xt_get_status_list(ic, parsed, txl); |
---|
956 | xt_free_node(parsed); |
---|
957 | |
---|
958 | td->mentions_obj = txl; |
---|
959 | |
---|
960 | end: |
---|
961 | td->flags |= TWITTER_GOT_MENTIONS; |
---|
962 | |
---|
963 | twitter_flush_timeline(ic); |
---|
964 | } |
---|
965 | |
---|
966 | /** |
---|
967 | * Callback to use after sending a POST request to twitter. |
---|
968 | * (Generic, used for a few kinds of queries.) |
---|
969 | */ |
---|
970 | static void twitter_http_post(struct http_request *req) |
---|
971 | { |
---|
972 | struct im_connection *ic = req->data; |
---|
973 | struct twitter_data *td; |
---|
974 | struct xt_node *parsed, *node; |
---|
975 | |
---|
976 | // Check if the connection is still active. |
---|
977 | if (!g_slist_find(twitter_connections, ic)) |
---|
978 | return; |
---|
979 | |
---|
980 | td = ic->proto_data; |
---|
981 | td->last_status_id = 0; |
---|
982 | |
---|
983 | if (!(parsed = twitter_parse_response(ic, req))) |
---|
984 | return; |
---|
985 | |
---|
986 | if ((node = xt_find_node(parsed, "status")) && |
---|
987 | (node = xt_find_node(node->children, "id")) && node->text) |
---|
988 | td->last_status_id = g_ascii_strtoull(node->text, NULL, 10); |
---|
989 | } |
---|
990 | |
---|
991 | /** |
---|
992 | * Function to POST a new status to twitter. |
---|
993 | */ |
---|
994 | void twitter_post_status(struct im_connection *ic, char *msg, guint64 in_reply_to) |
---|
995 | { |
---|
996 | char *args[4] = { |
---|
997 | "status", msg, |
---|
998 | "in_reply_to_status_id", |
---|
999 | g_strdup_printf("%llu", (unsigned long long) in_reply_to) |
---|
1000 | }; |
---|
1001 | twitter_http(ic, TWITTER_STATUS_UPDATE_URL, twitter_http_post, ic, 1, |
---|
1002 | args, in_reply_to ? 4 : 2); |
---|
1003 | g_free(args[3]); |
---|
1004 | } |
---|
1005 | |
---|
1006 | |
---|
1007 | /** |
---|
1008 | * Function to POST a new message to twitter. |
---|
1009 | */ |
---|
1010 | void twitter_direct_messages_new(struct im_connection *ic, char *who, char *msg) |
---|
1011 | { |
---|
1012 | char *args[4]; |
---|
1013 | args[0] = "screen_name"; |
---|
1014 | args[1] = who; |
---|
1015 | args[2] = "text"; |
---|
1016 | args[3] = msg; |
---|
1017 | // Use the same callback as for twitter_post_status, since it does basically the same. |
---|
1018 | twitter_http(ic, TWITTER_DIRECT_MESSAGES_NEW_URL, twitter_http_post, ic, 1, args, 4); |
---|
1019 | } |
---|
1020 | |
---|
1021 | void twitter_friendships_create_destroy(struct im_connection *ic, char *who, int create) |
---|
1022 | { |
---|
1023 | char *args[2]; |
---|
1024 | args[0] = "screen_name"; |
---|
1025 | args[1] = who; |
---|
1026 | twitter_http(ic, create ? TWITTER_FRIENDSHIPS_CREATE_URL : TWITTER_FRIENDSHIPS_DESTROY_URL, |
---|
1027 | twitter_http_post, ic, 1, args, 2); |
---|
1028 | } |
---|
1029 | |
---|
1030 | void twitter_status_destroy(struct im_connection *ic, guint64 id) |
---|
1031 | { |
---|
1032 | char *url; |
---|
1033 | url = g_strdup_printf("%s%llu%s", TWITTER_STATUS_DESTROY_URL, |
---|
1034 | (unsigned long long) id, ".xml"); |
---|
1035 | twitter_http(ic, url, twitter_http_post, ic, 1, NULL, 0); |
---|
1036 | g_free(url); |
---|
1037 | } |
---|
1038 | |
---|
1039 | void twitter_status_retweet(struct im_connection *ic, guint64 id) |
---|
1040 | { |
---|
1041 | char *url; |
---|
1042 | url = g_strdup_printf("%s%llu%s", TWITTER_STATUS_RETWEET_URL, |
---|
1043 | (unsigned long long) id, ".xml"); |
---|
1044 | twitter_http(ic, url, twitter_http_post, ic, 1, NULL, 0); |
---|
1045 | g_free(url); |
---|
1046 | } |
---|
1047 | |
---|
1048 | /** |
---|
1049 | * Report a user for sending spam. |
---|
1050 | */ |
---|
1051 | void twitter_report_spam(struct im_connection *ic, char *screen_name) |
---|
1052 | { |
---|
1053 | char *args[2] = { |
---|
1054 | "screen_name", |
---|
1055 | NULL, |
---|
1056 | }; |
---|
1057 | args[1] = screen_name; |
---|
1058 | twitter_http(ic, TWITTER_REPORT_SPAM_URL, twitter_http_post, |
---|
1059 | ic, 1, args, 2); |
---|
1060 | } |
---|
1061 | |
---|
1062 | /** |
---|
1063 | * Favourite a tweet. |
---|
1064 | */ |
---|
1065 | void twitter_favourite_tweet(struct im_connection *ic, guint64 id) |
---|
1066 | { |
---|
1067 | char *url; |
---|
1068 | url = g_strdup_printf("%s%llu%s", TWITTER_FAVORITE_CREATE_URL, |
---|
1069 | (unsigned long long) id, ".xml"); |
---|
1070 | twitter_http(ic, url, twitter_http_post, ic, 1, NULL, 0); |
---|
1071 | g_free(url); |
---|
1072 | } |
---|