2003ca8500ea42b9a249b12a5a2a1b9e7cbc452b
[mirrors/libpurple-core-answerscripts.git] / answerscripts.c
1 //#define __WIN32__
2 #ifndef __WIN32__
3 #define ANSWERSCRIPT_EXT ""
4 #else
5 #define ANSWERSCRIPT_EXT ".exe"
6 #endif
7 #define ANSWERSCRIPT "answerscripts" ANSWERSCRIPT_EXT
8 #define ANSWERSCRIPTS_TIMEOUT_INTERVAL 250
9 #define ANSWERSCRIPTS_LINE_LENGTH 4096
10
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <errno.h>
14
15 #ifndef __WIN32__
16 #include <fcntl.h>
17 #endif
18
19 /* Purple plugin */
20 #define PURPLE_PLUGINS
21 #include <libpurple/debug.h>
22 #include <libpurple/version.h>
23 #include <libpurple/conversation.h>
24 #include <libpurple/plugin.h>
25 #include <libpurple/signals.h>
26 #include <libpurple/util.h>
27
28 char *message = NULL;
29 char *hook_script = NULL;
30 char response[ANSWERSCRIPTS_LINE_LENGTH+1];
31 int i;
32
33 typedef struct {
34 FILE *pipe;
35 PurpleConversation *conv;
36 } answerscripts_job;
37
38 int answerscripts_process_message_cb(answerscripts_job *job) {
39 FILE *pipe = job->pipe;
40 PurpleConversation *conv = job->conv;
41
42 if (pipe && !feof(pipe)) {
43 if(!fgets(response, ANSWERSCRIPTS_LINE_LENGTH, pipe)
44 && (errno == EWOULDBLOCK || errno == EAGAIN)
45 ) return 1;
46
47 for(i=0;response[i];i++) if(response[i]=='\n') response[i]=0;
48 purple_conv_im_send(purple_conversation_get_im_data(conv), response);
49
50 if(!feof(pipe)) return 1;
51 }
52 pclose(pipe);
53 free(job);
54 return 0;
55 }
56
57 static void received_im_msg_cb(PurpleAccount *account, char *who, char *buffer, PurpleConversation *conv, PurpleMessageFlags flags, void *data) {
58 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: */
59
60 //Get message
61 message = purple_markup_strip_html(buffer);
62 //printf("\nHarvie received: %s: %s\n", who, message); //debug
63 //purple_conv_im_send(purple_conversation_get_im_data(conv), ":-*"); //debug
64
65 //Get status
66 PurpleStatus *status = purple_account_get_active_status(account);
67 PurpleStatusType *type = purple_status_get_type(status);
68
69 //Get status id
70 const char *status_id = NULL;
71 status_id = purple_primitive_get_id_from_type(purple_status_type_get_primitive(type));
72
73 //Get status message
74 const char *status_msg = NULL;
75 if (purple_status_type_get_attr(type, "message") != NULL) {
76 status_msg = purple_status_get_attr_string(status, "message");
77 } else {
78 status_msg = (char *) purple_savedstatus_get_message(purple_savedstatus_get_current());
79 }
80
81 //Export variables to environment
82 setenv("PURPLE_FROM", who, 1);
83 setenv("PURPLE_MSG", message, 1);
84 setenv("PURPLE_STATUS", status_id, 1);
85 setenv("PURPLE_STATUS_MSG", status_msg, 1);
86
87 //Launch job on background
88 answerscripts_job *job = (answerscripts_job*) malloc(sizeof(answerscripts_job));
89 job->pipe = popen(hook_script, "r");
90 job->conv = conv;
91
92 #ifndef __WIN32__
93 int fflags = fcntl(fileno(job->pipe), F_GETFL, 0);
94 fcntl(fileno(job->pipe), F_SETFL, fflags | O_NONBLOCK);
95 #endif
96
97 purple_timeout_add(ANSWERSCRIPTS_TIMEOUT_INTERVAL, (GSourceFunc) answerscripts_process_message_cb, (gpointer) job);
98 }
99
100 static gboolean plugin_load(PurplePlugin * plugin) {
101 asprintf(&hook_script,"%s/%s",purple_user_dir(),ANSWERSCRIPT);
102 void *conv_handle = purple_conversations_get_handle();
103 purple_signal_connect(conv_handle, "received-im-msg", plugin, PURPLE_CALLBACK(received_im_msg_cb), NULL);
104 return TRUE;
105 }
106
107 static gboolean plugin_unload(PurplePlugin * plugin) {
108 free(hook_script);
109 return TRUE;
110 }
111
112 static PurplePluginInfo info = {
113 PURPLE_PLUGIN_MAGIC,
114 PURPLE_MAJOR_VERSION,
115 PURPLE_MINOR_VERSION,
116 PURPLE_PLUGIN_STANDARD,
117 NULL,
118 0,
119 NULL,
120 PURPLE_PRIORITY_DEFAULT,
121
122 "core-answerscripts",
123 "AnswerScripts",
124 "0.2.2",
125 "Framework for hooking scripts to process received messages for libpurple clients",
126 "This plugin will execute script ~/.purple/" ANSWERSCRIPT " "
127 "or any other executable called " ANSWERSCRIPT " and found in purple_user_dir() "
128 "for each single instant message received.\n"
129 "\n- Envinronment values PURPLE_MSG and PURPLE_FROM will be set to carry "
130 "informations about message text and sender so script can respond to that message."
131 "\n- Any text printed to STDOUT by the script will be sent back as answer to message."
132 "\n\nPlease see example scripts, documentation or source code for more informations...",
133 "Harvie <harvie@email.cz>",
134 "http://github.com/harvie/libpurple-core-answerscripts",
135
136 plugin_load,
137 plugin_unload,
138 NULL,
139 NULL,
140 NULL,
141 NULL,
142 NULL,
143 NULL,
144 NULL,
145 NULL,
146 NULL
147 };
148
149 static void init_plugin(PurplePlugin * plugin) {
150
151 }
152
153 PURPLE_INIT_PLUGIN(autoanswer, init_plugin, info)
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