answerscripts.c

   1 #define PURPLE_PLUGINS
   2
   3 /* Purple headers */
   4 #include <libpurple/debug.h>
   5 #include <libpurple/version.h>
   6 #include <libpurple/conversation.h>
   7 #include <libpurple/debug.h>
   8 #include <libpurple/log.h>
   9 #include <libpurple/plugin.h>
  10 #include <libpurple/pluginpref.h>
  11 #include <libpurple/prefs.h>
  12 #include <libpurple/signals.h>
  13 #include <libpurple/util.h>
  14 #include <libpurple/notify.h>
  15
  16 #include <stdio.h>
  17 #include <stdlib.h>
  18
  19 #define RESPONSE_LINE_LENGTH 4096
  20 #define HOOK_SCRIPT "answerscripts.exe"
  21
  22 #ifdef PTHREAD
  23         #include <pthread.h>
  24 #endif
  25
  26 char *buff = NULL;
  27 char *hook_script = NULL;
  28 char response[RESPONSE_LINE_LENGTH+1];
  29 int i;
  30
  31 void *answerscripts_process_message(void *conv) {
  32         FILE* pipe = popen(hook_script, "r"); //TODO: process scripts and send response asynchronously
  33         while (pipe && fgets(response, RESPONSE_LINE_LENGTH, pipe)) {
  34                 for(i=0;response[i];i++) if(response[i]=='\n') response[i]=0;
  35                 purple_conv_im_send(purple_conversation_get_im_data((PurpleConversation *)conv), response);
  36         }
  37         pclose(pipe);
  38 }
  39
  40 static void
  41 received_im_msg_cb(PurpleAccount * account, char *who, char *buffer,
  42 PurpleConversation * conv, PurpleMessageFlags flags,
  43 void *data) {
  44         /* A workaround to avoid skipping of the first message as a result on NULL-conv: */
  45         if (conv == NULL) conv = purple_conversation_new(PURPLE_CONV_TYPE_IM, account, who);
  46
  47         buff = purple_markup_strip_html(buffer);
  48         //printf("\nHarvie received: %s: %s\n", who, buff); //debug
  49         //purple_conv_im_send(purple_conversation_get_im_data(conv), ":-*"); //debug
  50
  51         setenv("PURPLE_FROM", who, 1);
  52         setenv("PURPLE_MSG", buff, 1);
  53
  54         #ifndef PTHREAD
  55                 answerscripts_process_message((void *)conv);
  56         #else
  57                 pthread_t t;
  58                 puts("new thread...");
  59                 pthread_create(&t, NULL, answerscripts_process_message, (void *)conv);
  60                 puts("new thread created!");
  61         #endif
  62 }
  63
  64
  65 static gboolean plugin_load(PurplePlugin * plugin) {
  66         asprintf(&hook_script,"%s/%s",purple_user_dir(),HOOK_SCRIPT);
  67
  68         void *conv_handle = purple_conversations_get_handle();
  69
  70         purple_signal_connect(conv_handle, "received-im-msg",
  71                               plugin, PURPLE_CALLBACK(received_im_msg_cb),
  72                               NULL);
  73         return TRUE;
  74 }
  75
  76 static gboolean plugin_unload(PurplePlugin * plugin) {
  77         free(hook_script);
  78         return TRUE;
  79 }
  80
  81 static PurplePluginInfo info = {
  82         PURPLE_PLUGIN_MAGIC,
  83         PURPLE_MAJOR_VERSION,
  84         PURPLE_MINOR_VERSION,
  85         PURPLE_PLUGIN_STANDARD,
  86         NULL,
  87         0,
  88         NULL,
  89         PURPLE_PRIORITY_DEFAULT,
  90
  91         "core-answerscripts",
  92         "AnswerScripts",
  93         "0.1",
  94         "Framework for hooking scripts to received messages for various libpurple clients",
  95         "This plugin will call ~/.purple/" HOOK_SCRIPT " (or wherever purple_user_dir() points) "
  96                 "script (or any executable) for each single message called."
  97                 "Envinronment values PURPLE_MSG and PURPLE_FROM will be set to carry "
  98                 "informations about message text and sender so script can respond to that message. "
  99                 "Any text printed to STDOUT by the script will be sent back as answer to message. "
 100                 "Please see example scripts for more informations...",
 101         "Harvie <harvie@email.cz>",
 102         "http://github.com/harvie",
 103
 104         plugin_load,
 105         plugin_unload,
 106         NULL,
 107         NULL,
 108         NULL,
 109         NULL,
 110         NULL,
 111         NULL,
 112         NULL,
 113         NULL,
 114         NULL
 115 };
 116
 117 static void init_plugin(PurplePlugin * plugin) {
 118
 119 }
 120
 121 PURPLE_INIT_PLUGIN(autoanswer, init_plugin, info)