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profanity/src/tools/editor.c

127 lines
4.4 KiB
C

/*
* editor.c
* vim: expandtab:ts=4:sts=4:sw=4
*
* Copyright (C) 2022 - 2024 Michael Vetter <jubalh@iodoru.org>
* Copyright (C) 2022 MarcoPolo PasTonMolo <marcopolopastonmolo@protonmail.com>
* Copyright (C) 2022 Steffen Jaeckel <jaeckel-floss@eyet-services.de>
*
* This file is part of Profanity.
*
* Profanity is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Profanity is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Profanity. If not, see <https://www.gnu.org/licenses/>.
*
* In addition, as a special exception, the copyright holders give permission to
* link the code of portions of this program with the OpenSSL library under
* certain conditions as described in each individual source file, and
* distribute linked combinations including the two.
*
* You must obey the GNU General Public License in all respects for all of the
* code used other than OpenSSL. If you modify file(s) with this exception, you
* may extend this exception to your version of the file(s), but you are not
* obligated to do so. If you do not wish to do so, delete this exception
* statement from your version. If you delete this exception statement from all
* source files in the program, then also delete it here.
*
*/
#include <fcntl.h>
#include <glib.h>
#include <errno.h>
#include <sys/wait.h>
#include <unistd.h>
#include "config/files.h"
#include "config/preferences.h"
#include "log.h"
#include "common.h"
#include "xmpp/xmpp.h"
// Returns true if an error occurred
gboolean
get_message_from_editor(gchar* message, gchar** returned_message)
{
/* Make sure that there's no junk in the return-pointer in error cases */
*returned_message = NULL;
auto_gchar gchar* filename = NULL;
GError* glib_error = NULL;
const char* jid = connection_get_barejid();
if (jid) {
filename = files_file_in_account_data_path(DIR_EDITOR, jid, "compose.md");
} else {
log_debug("[Editor] could not get JID");
auto_gchar gchar* data_dir = files_get_data_path(DIR_EDITOR);
if (!create_dir(data_dir)) {
return TRUE;
}
filename = g_strdup_printf("%s/compose.md", data_dir);
}
if (!filename) {
log_error("[Editor] something went wrong while creating compose file");
return TRUE;
}
gsize messagelen = 0;
if (message != NULL) {
messagelen = strlen(message);
}
if (!g_file_set_contents(filename, message, messagelen, &glib_error)) {
log_error("[Editor] could not write to %s: %s", filename, glib_error ? glib_error->message : "No GLib error given");
if (glib_error) {
g_error_free(glib_error);
}
return TRUE;
}
auto_gchar gchar* editor = prefs_get_string(PREF_COMPOSE_EDITOR);
auto_gchar gchar* editor_with_filename = g_strdup_printf("%s %s", editor, filename);
auto_gcharv gchar** editor_argv = g_strsplit(editor_with_filename, " ", 0);
// Fork / exec
pid_t pid = fork();
if (pid == 0) {
int x = execvp(editor_argv[0], editor_argv);
if (x == -1) {
log_error("[Editor] Failed to exec %s", editor);
}
_exit(EXIT_FAILURE);
} else {
if (pid == -1) {
return TRUE;
}
waitpid(pid, NULL, 0);
gchar* contents;
gsize length;
if (!g_file_get_contents(filename, &contents, &length, &glib_error)) {
log_error("[Editor] could not read from %s: %s", filename, glib_error ? glib_error->message : "No GLib error given");
if (glib_error) {
g_error_free(glib_error);
}
return TRUE;
}
/* Remove all trailing new-line characters */
g_strchomp(contents);
*returned_message = contents;
if (remove(filename) != 0) {
log_error("[Editor] error during file deletion of %s", filename);
} else {
log_debug("[Editor] deleted file: %s", filename);
}
}
return FALSE;
}