diff options
Diffstat (limited to 'src/stored_playlist.c')
| -rw-r--r-- | src/stored_playlist.c | 552 |
1 files changed, 0 insertions, 552 deletions
diff --git a/src/stored_playlist.c b/src/stored_playlist.c deleted file mode 100644 index 39ba2bac1..000000000 --- a/src/stored_playlist.c +++ /dev/null @@ -1,552 +0,0 @@ -/* - * Copyright (C) 2003-2011 The Music Player Daemon Project - * http://www.musicpd.org - * - * This program 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 2 of the License, or - * (at your option) any later version. - * - * This program 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 this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "config.h" -#include "stored_playlist.h" -#include "playlist_save.h" -#include "text_file.h" -#include "song.h" -#include "mapper.h" -#include "path.h" -#include "uri.h" -#include "database.h" -#include "idle.h" -#include "conf.h" -#include "glib_compat.h" - -#include <assert.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <dirent.h> -#include <string.h> -#include <errno.h> - -static const char PLAYLIST_COMMENT = '#'; - -static unsigned playlist_max_length; -bool playlist_saveAbsolutePaths = DEFAULT_PLAYLIST_SAVE_ABSOLUTE_PATHS; - -void -spl_global_init(void) -{ - playlist_max_length = config_get_positive(CONF_MAX_PLAYLIST_LENGTH, - DEFAULT_PLAYLIST_MAX_LENGTH); - - playlist_saveAbsolutePaths = - config_get_bool(CONF_SAVE_ABSOLUTE_PATHS, - DEFAULT_PLAYLIST_SAVE_ABSOLUTE_PATHS); -} - -bool -spl_valid_name(const char *name_utf8) -{ - /* - * Not supporting '/' was done out of laziness, and we should - * really strive to support it in the future. - * - * Not supporting '\r' and '\n' is done out of protocol - * limitations (and arguably laziness), but bending over head - * over heels to modify the protocol (and compatibility with - * all clients) to support idiots who put '\r' and '\n' in - * filenames isn't going to happen, either. - */ - - return strchr(name_utf8, '/') == NULL && - strchr(name_utf8, '\n') == NULL && - strchr(name_utf8, '\r') == NULL; -} - -static const char * -spl_map(GError **error_r) -{ - const char *path_fs = map_spl_path(); - if (path_fs == NULL) - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_DISABLED, - "Stored playlists are disabled"); - - return path_fs; -} - -static bool -spl_check_name(const char *name_utf8, GError **error_r) -{ - if (!spl_valid_name(name_utf8)) { - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_BAD_NAME, - "Bad playlist name"); - return false; - } - - return true; -} - -static char * -spl_map_to_fs(const char *name_utf8, GError **error_r) -{ - if (spl_map(error_r) == NULL || - !spl_check_name(name_utf8, error_r)) - return NULL; - - char *path_fs = map_spl_utf8_to_fs(name_utf8); - if (path_fs == NULL) - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_BAD_NAME, - "Bad playlist name"); - - return path_fs; -} - -/** - * Create a GError for the current errno. - */ -static void -playlist_errno(GError **error_r) -{ - switch (errno) { - case ENOENT: - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_NO_SUCH_LIST, - "No such playlist"); - break; - - default: - g_set_error_literal(error_r, g_file_error_quark(), errno, - g_strerror(errno)); - break; - } -} - -static struct stored_playlist_info * -load_playlist_info(const char *parent_path_fs, const char *name_fs) -{ - size_t name_length = strlen(name_fs); - char *path_fs, *name, *name_utf8; - int ret; - struct stat st; - struct stored_playlist_info *playlist; - - if (name_length < sizeof(PLAYLIST_FILE_SUFFIX) || - memchr(name_fs, '\n', name_length) != NULL) - return NULL; - - if (!g_str_has_suffix(name_fs, PLAYLIST_FILE_SUFFIX)) - return NULL; - - path_fs = g_build_filename(parent_path_fs, name_fs, NULL); - ret = stat(path_fs, &st); - g_free(path_fs); - if (ret < 0 || !S_ISREG(st.st_mode)) - return NULL; - - name = g_strndup(name_fs, - name_length + 1 - sizeof(PLAYLIST_FILE_SUFFIX)); - name_utf8 = fs_charset_to_utf8(name); - g_free(name); - if (name_utf8 == NULL) - return NULL; - - playlist = g_new(struct stored_playlist_info, 1); - playlist->name = name_utf8; - playlist->mtime = st.st_mtime; - return playlist; -} - -GPtrArray * -spl_list(GError **error_r) -{ - const char *parent_path_fs = spl_map(error_r); - DIR *dir; - struct dirent *ent; - GPtrArray *list; - struct stored_playlist_info *playlist; - - if (parent_path_fs == NULL) - return NULL; - - dir = opendir(parent_path_fs); - if (dir == NULL) { - g_set_error_literal(error_r, g_file_error_quark(), errno, - g_strerror(errno)); - return NULL; - } - - list = g_ptr_array_new(); - - while ((ent = readdir(dir)) != NULL) { - playlist = load_playlist_info(parent_path_fs, ent->d_name); - if (playlist != NULL) - g_ptr_array_add(list, playlist); - } - - closedir(dir); - return list; -} - -void -spl_list_free(GPtrArray *list) -{ - for (unsigned i = 0; i < list->len; ++i) { - struct stored_playlist_info *playlist = - g_ptr_array_index(list, i); - g_free(playlist->name); - g_free(playlist); - } - - g_ptr_array_free(list, true); -} - -static bool -spl_save(GPtrArray *list, const char *utf8path, GError **error_r) -{ - FILE *file; - - assert(utf8path != NULL); - - if (spl_map(error_r) == NULL) - return false; - - char *path_fs = spl_map_to_fs(utf8path, error_r); - if (path_fs == NULL) - return false; - - file = fopen(path_fs, "w"); - g_free(path_fs); - if (file == NULL) { - playlist_errno(error_r); - return false; - } - - for (unsigned i = 0; i < list->len; ++i) { - const char *uri = g_ptr_array_index(list, i); - playlist_print_uri(file, uri); - } - - fclose(file); - return true; -} - -GPtrArray * -spl_load(const char *utf8path, GError **error_r) -{ - FILE *file; - GPtrArray *list; - char *path_fs; - - if (spl_map(error_r) == NULL) - return NULL; - - path_fs = spl_map_to_fs(utf8path, error_r); - if (path_fs == NULL) - return NULL; - - file = fopen(path_fs, "r"); - g_free(path_fs); - if (file == NULL) { - playlist_errno(error_r); - return NULL; - } - - list = g_ptr_array_new(); - - GString *buffer = g_string_sized_new(1024); - char *s; - while ((s = read_text_line(file, buffer)) != NULL) { - if (*s == 0 || *s == PLAYLIST_COMMENT) - continue; - - if (!uri_has_scheme(s)) { - char *path_utf8; - - path_utf8 = map_fs_to_utf8(s); - if (path_utf8 == NULL) - continue; - - s = path_utf8; - } else - s = g_strdup(s); - - g_ptr_array_add(list, s); - - if (list->len >= playlist_max_length) - break; - } - - fclose(file); - return list; -} - -void -spl_free(GPtrArray *list) -{ - for (unsigned i = 0; i < list->len; ++i) { - char *uri = g_ptr_array_index(list, i); - g_free(uri); - } - - g_ptr_array_free(list, true); -} - -static char * -spl_remove_index_internal(GPtrArray *list, unsigned idx) -{ - char *uri; - - assert(idx < list->len); - - uri = g_ptr_array_remove_index(list, idx); - assert(uri != NULL); - return uri; -} - -static void -spl_insert_index_internal(GPtrArray *list, unsigned idx, char *uri) -{ - assert(idx <= list->len); - - g_ptr_array_add(list, uri); - - memmove(list->pdata + idx + 1, list->pdata + idx, - (list->len - idx - 1) * sizeof(list->pdata[0])); - g_ptr_array_index(list, idx) = uri; -} - -bool -spl_move_index(const char *utf8path, unsigned src, unsigned dest, - GError **error_r) -{ - char *uri; - - if (src == dest) - /* this doesn't check whether the playlist exists, but - what the hell.. */ - return true; - - GPtrArray *list = spl_load(utf8path, error_r); - if (list == NULL) - return false; - - if (src >= list->len || dest >= list->len) { - spl_free(list); - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_BAD_RANGE, - "Bad range"); - return false; - } - - uri = spl_remove_index_internal(list, src); - spl_insert_index_internal(list, dest, uri); - - bool result = spl_save(list, utf8path, error_r); - - spl_free(list); - - idle_add(IDLE_STORED_PLAYLIST); - return result; -} - -bool -spl_clear(const char *utf8path, GError **error_r) -{ - FILE *file; - - if (spl_map(error_r) == NULL) - return false; - - char *path_fs = spl_map_to_fs(utf8path, error_r); - if (path_fs == NULL) - return false; - - file = fopen(path_fs, "w"); - g_free(path_fs); - if (file == NULL) { - playlist_errno(error_r); - return false; - } - - fclose(file); - - idle_add(IDLE_STORED_PLAYLIST); - return true; -} - -bool -spl_delete(const char *name_utf8, GError **error_r) -{ - char *path_fs; - int ret; - - path_fs = spl_map_to_fs(name_utf8, error_r); - if (path_fs == NULL) - return false; - - ret = unlink(path_fs); - g_free(path_fs); - if (ret < 0) { - playlist_errno(error_r); - return false; - } - - idle_add(IDLE_STORED_PLAYLIST); - return true; -} - -bool -spl_remove_index(const char *utf8path, unsigned pos, GError **error_r) -{ - char *uri; - - GPtrArray *list = spl_load(utf8path, error_r); - if (list == NULL) - return false; - - if (pos >= list->len) { - spl_free(list); - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_BAD_RANGE, - "Bad range"); - return false; - } - - uri = spl_remove_index_internal(list, pos); - g_free(uri); - bool result = spl_save(list, utf8path, error_r); - - spl_free(list); - - idle_add(IDLE_STORED_PLAYLIST); - return result; -} - -bool -spl_append_song(const char *utf8path, struct song *song, GError **error_r) -{ - FILE *file; - struct stat st; - - if (spl_map(error_r) == NULL) - return false; - - char *path_fs = spl_map_to_fs(utf8path, error_r); - if (path_fs == NULL) - return false; - - file = fopen(path_fs, "a"); - g_free(path_fs); - if (file == NULL) { - playlist_errno(error_r); - return false; - } - - if (fstat(fileno(file), &st) < 0) { - playlist_errno(error_r); - fclose(file); - return false; - } - - if (st.st_size / (MPD_PATH_MAX + 1) >= (off_t)playlist_max_length) { - fclose(file); - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_TOO_LARGE, - "Stored playlist is too large"); - return false; - } - - playlist_print_song(file, song); - - fclose(file); - - idle_add(IDLE_STORED_PLAYLIST); - return true; -} - -bool -spl_append_uri(const char *url, const char *utf8file, GError **error_r) -{ - struct song *song; - - if (uri_has_scheme(url)) { - song = song_remote_new(url); - bool success = spl_append_song(utf8file, song, error_r); - song_free(song); - return success; - } else { - song = db_get_song(url); - if (song == NULL) { - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_NO_SUCH_SONG, - "No such song"); - return false; - } - - return spl_append_song(utf8file, song, error_r); - } -} - -static bool -spl_rename_internal(const char *from_path_fs, const char *to_path_fs, - GError **error_r) -{ - if (!g_file_test(from_path_fs, G_FILE_TEST_IS_REGULAR)) { - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_NO_SUCH_LIST, - "No such playlist"); - return false; - } - - if (g_file_test(to_path_fs, G_FILE_TEST_EXISTS)) { - g_set_error_literal(error_r, playlist_quark(), - PLAYLIST_RESULT_LIST_EXISTS, - "Playlist exists already"); - return false; - } - - if (rename(from_path_fs, to_path_fs) < 0) { - playlist_errno(error_r); - return false; - } - - idle_add(IDLE_STORED_PLAYLIST); - return true; -} - -bool -spl_rename(const char *utf8from, const char *utf8to, GError **error_r) -{ - if (spl_map(error_r) == NULL) - return false; - - char *from_path_fs = spl_map_to_fs(utf8from, error_r); - if (from_path_fs == NULL) - return false; - - char *to_path_fs = spl_map_to_fs(utf8to, error_r); - if (to_path_fs == NULL) { - g_free(from_path_fs); - return false; - } - - bool success = spl_rename_internal(from_path_fs, to_path_fs, error_r); - - g_free(from_path_fs); - g_free(to_path_fs); - - return success; -} |