enum playlist_result
playlist_append_file(struct playlist *playlist, const char *path, int uid,
unsigned *added_id)
{
int ret;
struct stat st;
struct song *song;
if (uid < 0) {
g_debug("unauthenticated client: %d", uid);
return PLAYLIST_RESULT_DENIED;
}
ret = stat(path, &st);
if (ret < 0)
return PLAYLIST_RESULT_ERRNO;
if (st.st_uid != (uid_t)uid && (st.st_mode & 0444) != 0444) {
g_debug("client is not owner: %d (%o)", st.st_uid, st.st_mode);
return PLAYLIST_RESULT_DENIED;
}
song = song_file_load(path, NULL);
if (song == NULL)
return PLAYLIST_RESULT_NO_SUCH_SONG;
return playlist_append_song(playlist, song, added_id);
}
enum playlist_result
playlist_append_file(struct playlist *playlist, struct player_control *pc,
const char *path, int uid, unsigned *added_id)
{
int ret;
struct stat st;
struct song *song;
if (uid <= 0)
/* unauthenticated client */
return PLAYLIST_RESULT_DENIED;
ret = stat(path, &st);
if (ret < 0)
return PLAYLIST_RESULT_ERRNO;
if (st.st_uid != (uid_t)uid && (st.st_mode & 0444) != 0444)
/* client is not owner */
return PLAYLIST_RESULT_DENIED;
song = song_file_load(path, NULL);
if (song == NULL)
return PLAYLIST_RESULT_NO_SUCH_SONG;
return playlist_append_song(playlist, pc, song, added_id);
}
static void
update_regular_file(struct directory *directory,
const char *name, const struct stat *st)
{
const char *suffix = uri_get_suffix(name);
const struct decoder_plugin* plugin;
#ifdef ENABLE_ARCHIVE
const struct archive_plugin *archive;
#endif
if (suffix == NULL)
return;
if ((plugin = decoder_plugin_from_suffix(suffix, false)) != NULL)
{
struct song* song = songvec_find(&directory->songs, name);
if (!(song != NULL && st->st_mtime == song->mtime &&
!walk_discard) &&
plugin->container_scan != NULL)
{
if (update_container_file(directory, name, st, plugin))
{
if (song != NULL)
delete_song(directory, song);
return;
}
}
if (song == NULL) {
song = song_file_load(name, directory);
if (song == NULL) {
g_debug("ignoring unrecognized file %s/%s",
directory_get_path(directory), name);
return;
}
songvec_add(&directory->songs, song);
modified = true;
g_message("added %s/%s",
directory_get_path(directory), name);
} else if (st->st_mtime != song->mtime || walk_discard) {
g_message("updating %s/%s",
directory_get_path(directory), name);
if (!song_file_update(song)) {
g_debug("deleting unrecognized file %s/%s",
directory_get_path(directory), name);
delete_song(directory, song);
}
modified = true;
}
#ifdef ENABLE_ARCHIVE
} else if ((archive = archive_plugin_from_suffix(suffix))) {
update_archive_file(directory, name, st, archive);
#endif
}
}
static struct song *
playlist_check_load_song(const struct song *song, const char *uri, bool secure)
{
struct song *dest;
if (uri_has_scheme(uri)) {
dest = song_remote_new(uri);
} else if (g_path_is_absolute(uri) && secure) {
dest = song_file_load(uri, NULL);
if (dest == NULL)
return NULL;
} else {
dest = db_get_song(uri);
if (dest == NULL)
/* not found in database */
return NULL;
}
return apply_song_metadata(dest, song);
}
static void
update_archive_tree(struct directory *directory, char *name)
{
struct directory *subdir;
struct song *song;
char *tmp;
tmp = strchr(name, '/');
if (tmp) {
*tmp = 0;
//add dir is not there already
if ((subdir = dirvec_find(&directory->children, name)) == NULL) {
//create new directory
subdir = make_subdir(directory, name);
subdir->device = DEVICE_INARCHIVE;
}
//create directories first
update_archive_tree(subdir, tmp+1);
} else {
if (strlen(name) == 0) {
g_warning("archive returned directory only");
return;
}
//add file
song = songvec_find(&directory->songs, name);
if (song == NULL) {
song = song_file_load(name, directory);
if (song != NULL) {
songvec_add(&directory->songs, song);
modified = true;
g_message("added %s/%s",
directory_get_path(directory), name);
}
}
}
}
static void
update_song_file2(struct directory *directory,
const char *name, const struct stat *st,
const struct decoder_plugin *plugin)
{
db_lock();
struct song *song = directory_get_song(directory, name);
db_unlock();
if (!directory_child_access(directory, name, R_OK)) {
g_warning("no read permissions on %s/%s",
directory_get_path(directory), name);
if (song != NULL) {
db_lock();
delete_song(directory, song);
db_unlock();
}
return;
}
if (!(song != NULL && st->st_mtime == song->mtime &&
!walk_discard) &&
update_container_file(directory, name, st, plugin)) {
if (song != NULL) {
db_lock();
delete_song(directory, song);
db_unlock();
}
return;
}
if (song == NULL) {
g_debug("reading %s/%s",
directory_get_path(directory), name);
song = song_file_load(name, directory);
if (song == NULL) {
g_debug("ignoring unrecognized file %s/%s",
directory_get_path(directory), name);
return;
}
db_lock();
directory_add_song(directory, song);
db_unlock();
modified = true;
g_message("added %s/%s",
directory_get_path(directory), name);
} else if (st->st_mtime != song->mtime || walk_discard) {
g_message("updating %s/%s",
directory_get_path(directory), name);
if (!song_file_update(song)) {
g_debug("deleting unrecognized file %s/%s",
directory_get_path(directory), name);
db_lock();
delete_song(directory, song);
db_unlock();
}
modified = true;
}
}
struct song *
playlist_check_translate_song(struct song *song, const char *base_uri,
bool secure)
{
struct song *dest;
if (song_in_database(song))
/* already ok */
return song;
char *uri = song->uri;
if (uri_has_scheme(uri)) {
if (uri_supported_scheme(uri))
/* valid remote song */
return song;
else {
/* unsupported remote song */
song_free(song);
return NULL;
}
}
if (base_uri != NULL && strcmp(base_uri, ".") == 0)
/* g_path_get_dirname() returns "." when there is no
directory name in the given path; clear that now,
because it would break the database lookup
functions */
base_uri = NULL;
if (g_path_is_absolute(uri)) {
/* XXX fs_charset vs utf8? */
const char *prefix = mapper_get_music_directory();
if (prefix != NULL && g_str_has_prefix(uri, prefix) &&
uri[strlen(prefix)] == '/')
uri += strlen(prefix) + 1;
else if (!secure) {
/* local files must be relative to the music
directory when "secure" is enabled */
song_free(song);
return NULL;
}
base_uri = NULL;
}
if (base_uri != NULL)
uri = g_build_filename(base_uri, uri, NULL);
else
uri = g_strdup(uri);
if (uri_has_scheme(uri)) {
dest = song_remote_new(uri);
g_free(uri);
} else if (g_path_is_absolute(uri) && secure) {
dest = song_file_load(uri, NULL);
if (dest == NULL) {
song_free(song);
return NULL;
}
} else {
dest = db_get_song(uri);
g_free(uri);
if (dest == NULL) {
/* not found in database */
song_free(song);
return dest;
}
}
dest = apply_song_metadata(dest, song);
song_free(song);
return dest;
}