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 ANSWERSCRIPT "answerscripts.exe"
  20 #define ANSWERSCRIPTS_TIMEOUT_INTERVAL 250
  21 #define ANSWERSCRIPTS_LINE_LENGTH 4096
  22
  23 char *buff = NULL;
  24 char *hook_script = NULL;
  25 char response[ANSWERSCRIPTS_LINE_LENGTH+1];
  26 int i;
  27
  28 typedef struct {
  29   FILE *pipe;
  30   PurpleConversation *conv;
  31 } answerscripts_job;
  32
  33 int answerscripts_process_message(answerscripts_job *job) {
  34         //TODO: process scripts and send response asynchronously
  35         FILE *pipe = job->pipe;
  36         PurpleConversation *conv = job->conv;
  37
  38         if (pipe && fgets(response, ANSWERSCRIPTS_LINE_LENGTH, pipe)) {
  39                 for(i=0;response[i];i++) if(response[i]=='\n') response[i]=0;
  40                 purple_conv_im_send(purple_conversation_get_im_data(conv), response);
  41                 return 1;
  42         }
  43         pclose(pipe);
  44         free(job);
  45         return 0;
  46 }
  47
  48 static void
  49 received_im_msg_cb(PurpleAccount *account, char *who, char *buffer, PurpleConversation *conv, PurpleMessageFlags flags, void *data) {
  50
  51         /* A workaround to avoid skipping of the first message as a result on NULL-conv: */
  52         if (conv == NULL) conv = purple_conversation_new(PURPLE_CONV_TYPE_IM, account, who);
  53
  54         buff = purple_markup_strip_html(buffer);
  55         //printf("\nHarvie received: %s: %s\n", who, buff); //debug
  56         //purple_conv_im_send(purple_conversation_get_im_data(conv), ":-*"); //debug
  57
  58         setenv("PURPLE_FROM", who, 1);
  59         setenv("PURPLE_MSG", buff, 1);
  60
  61
  62         answerscripts_job *job = (answerscripts_job*) malloc(sizeof(answerscripts_job));
  63         job->pipe = popen(hook_script, "r");
  64         job->conv = conv;
  65
  66         purple_timeout_add(ANSWERSCRIPTS_TIMEOUT_INTERVAL, answerscripts_process_message, (gpointer) job);
  67
  68 }
  69
  70
  71 static gboolean plugin_load(PurplePlugin * plugin) {
  72         asprintf(&hook_script,"%s/%s",purple_user_dir(),ANSWERSCRIPT);
  73
  74         void *conv_handle = purple_conversations_get_handle();
  75
  76         purple_signal_connect(conv_handle, "received-im-msg",
  77                               plugin, PURPLE_CALLBACK(received_im_msg_cb),
  78                               NULL);
  79         return TRUE;
  80 }
  81
  82 static gboolean plugin_unload(PurplePlugin * plugin) {
  83         free(hook_script);
  84         return TRUE;
  85 }
  86
  87 static PurplePluginInfo info = {
  88         PURPLE_PLUGIN_MAGIC,
  89         PURPLE_MAJOR_VERSION,
  90         PURPLE_MINOR_VERSION,
  91         PURPLE_PLUGIN_STANDARD,
  92         NULL,
  93         0,
  94         NULL,
  95         PURPLE_PRIORITY_DEFAULT,
  96
  97         "core-answerscripts",
  98         "AnswerScripts",
  99         "0.1.1",
 100         "Framework for hooking scripts to received messages for various libpurple clients",
 101         "This plugin will call ~/.purple/" ANSWERSCRIPT " (or wherever purple_user_dir() points) "
 102                 "script (or any executable) for each single message called."
 103                 "Envinronment values PURPLE_MSG and PURPLE_FROM will be set to carry "
 104                 "informations about message text and sender so script can respond to that message. "
 105                 "Any text printed to STDOUT by the script will be sent back as answer to message. "
 106                 "Please see example scripts for more informations...",
 107         "Harvie <harvie@email.cz>",
 108         "http://github.com/harvie",
 109
 110         plugin_load,
 111         plugin_unload,
 112         NULL,
 113         NULL,
 114         NULL,
 115         NULL,
 116         NULL,
 117         NULL,
 118         NULL,
 119         NULL,
 120         NULL
 121 };
 122
 123 static void init_plugin(PurplePlugin * plugin) {
 124
 125 }
 126
 127 PURPLE_INIT_PLUGIN(autoanswer, init_plugin, info)