Ported 10-menu.pl to PERL v5.10
[mirrors/libpurple-core-answerscripts.git] / answerscripts.c
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73f7c2ff 1//#define __WIN32__
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2#ifndef __WIN32__
3 #define ANSWERSCRIPT_EXT ""
4#else
5 #define ANSWERSCRIPT_EXT ".exe"
6#endif
7#define ANSWERSCRIPT "answerscripts" ANSWERSCRIPT_EXT
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8#define ANSWERSCRIPTS_TIMEOUT_INTERVAL 250
9#define ANSWERSCRIPTS_LINE_LENGTH 4096
0636d441 10#define ENV_PREFIX "ANSW_"
2bcad731 11#define PROTOCOL_PREFIX "prpl-"
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12
13#include <stdio.h>
14#include <stdlib.h>
81749a99 15#include <errno.h>
2bcad731 16#include <string.h>
b44d7b66 17
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18#ifndef __WIN32__
19 #include <fcntl.h>
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20#else
21 #include <windows.h>
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22#endif
23
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24/* Purple plugin */
25#define PURPLE_PLUGINS
26#include <libpurple/debug.h>
27#include <libpurple/version.h>
28#include <libpurple/conversation.h>
29#include <libpurple/plugin.h>
30#include <libpurple/signals.h>
31#include <libpurple/util.h>
73f7c2ff 32
ca489436 33char *message = NULL;
b44d7b66 34char *hook_script = NULL;
b44d7b66 35
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36typedef struct {
37 FILE *pipe;
38 PurpleConversation *conv;
39} answerscripts_job;
40
81749a99 41int answerscripts_process_message_cb(answerscripts_job *job) {
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42 int i;
43 char response[ANSWERSCRIPTS_LINE_LENGTH+1];
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44 FILE *pipe = job->pipe;
45 PurpleConversation *conv = job->conv;
46
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47 if (pipe && !feof(pipe)) {
48 if(!fgets(response, ANSWERSCRIPTS_LINE_LENGTH, pipe)
b86255fd 49 && (errno == EWOULDBLOCK || errno == EAGAIN) //WARNING! Not compatible with windows :-(
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50 ) return 1;
51
d852a694 52 for(i=0;response[i];i++) if(response[i]=='\n') response[i]=0;
6ec3c19f 53 purple_conv_im_send(purple_conversation_get_im_data(conv), response);
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54
55 if(!feof(pipe)) return 1;
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56 }
57 pclose(pipe);
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58 free(job);
59 return 0;
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60}
61
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62static void received_im_msg_cb(PurpleAccount *account, char *who, char *buffer, PurpleConversation *conv, PurpleMessageFlags flags, void *data) {
63 if (conv == NULL) conv = purple_conversation_new(PURPLE_CONV_TYPE_IM, account, who); //* A workaround to avoid skipping of the first message as a result on NULL-conv: */
b44d7b66 64
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65 //Get message
66 message = purple_markup_strip_html(buffer);
67 //printf("\nHarvie received: %s: %s\n", who, message); //debug
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68 //purple_conv_im_send(purple_conversation_get_im_data(conv), ":-*"); //debug
69
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70 //Get protocol ID
71 const char *protocol_id = purple_account_get_protocol_id(account);
72 if(!strncmp(protocol_id,PROTOCOL_PREFIX,strlen(PROTOCOL_PREFIX))) protocol_id += strlen(PROTOCOL_PREFIX); //trim out protocol prefix (eg.: "prpl-irc" => "irc")
73
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74 //Get status
75 PurpleStatus *status = purple_account_get_active_status(account);
76 PurpleStatusType *type = purple_status_get_type(status);
77
78 //Get status id
79 const char *status_id = NULL;
80 status_id = purple_primitive_get_id_from_type(purple_status_type_get_primitive(type));
81
82 //Get status message
83 const char *status_msg = NULL;
84 if (purple_status_type_get_attr(type, "message") != NULL) {
85 status_msg = purple_status_get_attr_string(status, "message");
86 } else {
87 status_msg = (char *) purple_savedstatus_get_message(purple_savedstatus_get_current());
88 }
89
ca489436 90 //Export variables to environment
51b65634 91 setenv(ENV_PREFIX "MSG", message, 1);
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92 setenv(ENV_PREFIX "FROM", who, 1);
93 setenv(ENV_PREFIX "PROTOCOL", protocol_id, 1);
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94 setenv(ENV_PREFIX "STATUS", status_id, 1);
95 setenv(ENV_PREFIX "STATUS_MSG", status_msg, 1);
6ec3c19f 96
ca489436 97 //Launch job on background
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98 answerscripts_job *job = (answerscripts_job*) malloc(sizeof(answerscripts_job));
99 job->pipe = popen(hook_script, "r");
100 job->conv = conv;
101
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102 #ifndef __WIN32__
103 int fflags = fcntl(fileno(job->pipe), F_GETFL, 0);
104 fcntl(fileno(job->pipe), F_SETFL, fflags | O_NONBLOCK);
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105 #else
106 //WARNING! Somehow implement FILE_FLAG_OVERLAPPED & FILE_FLAG_NO_BUFFERING support on windows
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107 #endif
108
109 purple_timeout_add(ANSWERSCRIPTS_TIMEOUT_INTERVAL, (GSourceFunc) answerscripts_process_message_cb, (gpointer) job);
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110}
111
b44d7b66 112static gboolean plugin_load(PurplePlugin * plugin) {
6ec3c19f 113 asprintf(&hook_script,"%s/%s",purple_user_dir(),ANSWERSCRIPT);
b44d7b66 114 void *conv_handle = purple_conversations_get_handle();
73f7c2ff 115 purple_signal_connect(conv_handle, "received-im-msg", plugin, PURPLE_CALLBACK(received_im_msg_cb), NULL);
53478f8c 116 return TRUE;
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117}
118
119static gboolean plugin_unload(PurplePlugin * plugin) {
120 free(hook_script);
53478f8c 121 return TRUE;
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122}
123
124static PurplePluginInfo info = {
125 PURPLE_PLUGIN_MAGIC,
126 PURPLE_MAJOR_VERSION,
127 PURPLE_MINOR_VERSION,
128 PURPLE_PLUGIN_STANDARD,
129 NULL,
130 0,
131 NULL,
132 PURPLE_PRIORITY_DEFAULT,
133
134 "core-answerscripts",
135 "AnswerScripts",
37436d76 136 "0.3.1",
53478f8c 137 "Framework for hooking scripts to process received messages for libpurple clients",
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138 "\nThis plugin will execute script \"~/.purple/" ANSWERSCRIPT "\" "
139 "(or any other executable called \"" ANSWERSCRIPT "\" and found in purple_user_dir()) "
140 "each time when instant message is received.\n"
141 "\n- Any text printed to STDOUT by this script will be sent back as answer to received message."
142 "\n- Following environment values will be set, so script can use them for responding:\n"
143 "\t- ANSW_MSG\n"
144 "\t- ANSW_FROM\n"
145 "\t- ANSW_PROTOCOL\n"
146 "\t- ANSW_STATUS\n"
147 "\t- ANSW_STATUS_MSG\n"
148 "\nPlease see sample scripts, documentation, website and source code for more informations...\n"
149 "\n(-; Peace ;-)\n",
150 "Tomas Mudrunka <harvie@email.cz>",
53478f8c 151 "http://github.com/harvie/libpurple-core-answerscripts",
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152
153 plugin_load,
154 plugin_unload,
155 NULL,
156 NULL,
157 NULL,
158 NULL,
159 NULL,
160 NULL,
161 NULL,
162 NULL,
163 NULL
164};
165
166static void init_plugin(PurplePlugin * plugin) {
167
168}
169
170PURPLE_INIT_PLUGIN(autoanswer, init_plugin, info)
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