1 /*
2  * scripts.c
3  * vim: expandtab:ts=4:sts=4:sw=4
4  *
5  * Copyright (C) 2012 - 2019 James Booth <boothj5@gmail.com>
6  *
7  * This file is part of Profanity.
8  *
9  * Profanity is free software: you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation, either version 3 of the License, or
12  * (at your option) any later version.
13  *
14  * Profanity is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with Profanity.  If not, see <https://www.gnu.org/licenses/>.
21  *
22  * In addition, as a special exception, the copyright holders give permission to
23  * link the code of portions of this program with the OpenSSL library under
24  * certain conditions as described in each individual source file, and
25  * distribute linked combinations including the two.
26  *
27  * You must obey the GNU General Public License in all respects for all of the
28  * code used other than OpenSSL. If you modify file(s) with this exception, you
29  * may extend this exception to your version of the file(s), but you are not
30  * obligated to do so. If you do not wish to do so, delete this exception
31  * statement from your version. If you delete this exception statement from all
32  * source files in the program, then also delete it here.
33  *
34  */
35 
36 #include "config.h"
37 
38 #include <stdlib.h>
39 #include <errno.h>
40 #include <string.h>
41 #include <sys/stat.h>
42 
43 #include <glib.h>
44 #include <glib/gstdio.h>
45 
46 #include "common.h"
47 #include "log.h"
48 #include "config/files.h"
49 #include "command/cmd_defs.h"
50 #include "ui/ui.h"
51 #include "ui/window_list.h"
52 #include "xmpp/xmpp.h"
53 
54 void
scripts_init(void)55 scripts_init(void)
56 {
57     char* scriptsdir = files_get_data_path(DIR_SCRIPTS);
58 
59     // mkdir if doesn't exist
60     errno = 0;
61     int res = g_mkdir_with_parents(scriptsdir, S_IRWXU);
62     if (res == -1) {
63         const char* errmsg = strerror(errno);
64         if (errmsg) {
65             log_error("Error creating directory: %s, %s", scriptsdir, errmsg);
66         } else {
67             log_error("Error creating directory: %s", scriptsdir);
68         }
69     }
70 
71     free(scriptsdir);
72 }
73 
74 GSList*
scripts_list(void)75 scripts_list(void)
76 {
77     char* scriptsdir = files_get_data_path(DIR_SCRIPTS);
78 
79     GSList* result = NULL;
80     GDir* scripts = g_dir_open(scriptsdir, 0, NULL);
81     free(scriptsdir);
82 
83     if (scripts) {
84         const gchar* script = g_dir_read_name(scripts);
85         while (script) {
86             result = g_slist_append(result, strdup(script));
87             script = g_dir_read_name(scripts);
88         }
89         g_dir_close(scripts);
90     }
91 
92     return result;
93 }
94 
95 GSList*
scripts_read(const char * const script)96 scripts_read(const char* const script)
97 {
98     char* scriptsdir = files_get_data_path(DIR_SCRIPTS);
99     GString* scriptpath = g_string_new(scriptsdir);
100     free(scriptsdir);
101     g_string_append(scriptpath, "/");
102     g_string_append(scriptpath, script);
103 
104     FILE* scriptfile = g_fopen(scriptpath->str, "r");
105     if (!scriptfile) {
106         log_info("Script not found: %s", scriptpath->str);
107         g_string_free(scriptpath, TRUE);
108         return NULL;
109     }
110 
111     g_string_free(scriptpath, TRUE);
112 
113     char* line = NULL;
114     size_t len = 0;
115     ssize_t read;
116     GSList* result = NULL;
117 
118     while ((read = getline(&line, &len, scriptfile)) != -1) {
119         if (g_str_has_suffix(line, "\n")) {
120             result = g_slist_append(result, g_strndup(line, strlen(line) - 1));
121         } else {
122             result = g_slist_append(result, strdup(line));
123         }
124     }
125 
126     fclose(scriptfile);
127     if (line)
128         free(line);
129 
130     return result;
131 }
132 
133 gboolean
scripts_exec(const char * const script)134 scripts_exec(const char* const script)
135 {
136     char* scriptsdir = files_get_data_path(DIR_SCRIPTS);
137     GString* scriptpath = g_string_new(scriptsdir);
138     free(scriptsdir);
139     g_string_append(scriptpath, "/");
140     g_string_append(scriptpath, script);
141 
142     FILE* scriptfile = g_fopen(scriptpath->str, "r");
143     if (!scriptfile) {
144         log_info("Script not found: %s", scriptpath->str);
145         g_string_free(scriptpath, TRUE);
146         return FALSE;
147     }
148 
149     g_string_free(scriptpath, TRUE);
150 
151     char* line = NULL;
152     size_t len = 0;
153     ssize_t read;
154 
155     while ((read = getline(&line, &len, scriptfile)) != -1) {
156         ProfWin* win = wins_get_current();
157         cmd_process_input(win, line);
158         session_process_events();
159         ui_update();
160     }
161 
162     fclose(scriptfile);
163     if (line)
164         free(line);
165 
166     return TRUE;
167 }
168