From 86b0adc82ce64bb08518088c35ce754dc96d7062 Mon Sep 17 00:00:00 2001 From: Max Kellermann Date: Sat, 26 Jan 2013 01:04:02 +0100 Subject: playlist/*: convert to C++ --- src/playlist/lastfm_playlist_plugin.c | 296 ---------------------------------- 1 file changed, 296 deletions(-) delete mode 100644 src/playlist/lastfm_playlist_plugin.c (limited to 'src/playlist/lastfm_playlist_plugin.c') diff --git a/src/playlist/lastfm_playlist_plugin.c b/src/playlist/lastfm_playlist_plugin.c deleted file mode 100644 index ead14deaa..000000000 --- a/src/playlist/lastfm_playlist_plugin.c +++ /dev/null @@ -1,296 +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 "playlist/lastfm_playlist_plugin.h" -#include "playlist_plugin.h" -#include "playlist_list.h" -#include "conf.h" -#include "uri.h" -#include "song.h" -#include "input_stream.h" - -#include - -#include -#include - -struct lastfm_playlist { - struct playlist_provider base; - - struct input_stream *is; - - struct playlist_provider *xspf; -}; - -static struct { - char *user; - char *md5; -} lastfm_config; - -static bool -lastfm_init(const struct config_param *param) -{ - const char *user = config_get_block_string(param, "user", NULL); - const char *passwd = config_get_block_string(param, "password", NULL); - - if (user == NULL || passwd == NULL) { - g_debug("disabling the last.fm playlist plugin " - "because account is not configured"); - return false; - } - - lastfm_config.user = g_uri_escape_string(user, NULL, false); - - if (strlen(passwd) != 32) - lastfm_config.md5 = g_compute_checksum_for_string(G_CHECKSUM_MD5, - passwd, strlen(passwd)); - else - lastfm_config.md5 = g_strdup(passwd); - - return true; -} - -static void -lastfm_finish(void) -{ - g_free(lastfm_config.user); - g_free(lastfm_config.md5); -} - -/** - * Simple data fetcher. - * @param url path or url of data to fetch. - * @return data fetched, or NULL on error. Must be freed with g_free. - */ -static char * -lastfm_get(const char *url, GMutex *mutex, GCond *cond) -{ - struct input_stream *input_stream; - GError *error = NULL; - char buffer[4096]; - size_t length = 0, nbytes; - - input_stream = input_stream_open(url, mutex, cond, &error); - if (input_stream == NULL) { - if (error != NULL) { - g_warning("%s", error->message); - g_error_free(error); - } - - return NULL; - } - - g_mutex_lock(mutex); - - input_stream_wait_ready(input_stream); - - do { - nbytes = input_stream_read(input_stream, buffer + length, - sizeof(buffer) - length, &error); - if (nbytes == 0) { - if (error != NULL) { - g_warning("%s", error->message); - g_error_free(error); - } - - if (input_stream_eof(input_stream)) - break; - - /* I/O error */ - g_mutex_unlock(mutex); - input_stream_close(input_stream); - return NULL; - } - - length += nbytes; - } while (length < sizeof(buffer)); - - g_mutex_unlock(mutex); - - input_stream_close(input_stream); - return g_strndup(buffer, length); -} - -/** - * Ini-style value fetcher. - * @param response data through which to search. - * @param name name of value to search for. - * @return value for param name in param response or NULL on error. Free with g_free. - */ -static char * -lastfm_find(const char *response, const char *name) -{ - size_t name_length = strlen(name); - - while (true) { - const char *eol = strchr(response, '\n'); - if (eol == NULL) - return NULL; - - if (strncmp(response, name, name_length) == 0 && - response[name_length] == '=') { - response += name_length + 1; - return g_strndup(response, eol - response); - } - - response = eol + 1; - } -} - -static struct playlist_provider * -lastfm_open_uri(const char *uri, GMutex *mutex, GCond *cond) -{ - struct lastfm_playlist *playlist; - GError *error = NULL; - char *p, *q, *response, *session; - - /* handshake */ - - p = g_strconcat("http://ws.audioscrobbler.com/radio/handshake.php?" - "version=1.1.1&platform=linux&" - "username=", lastfm_config.user, "&" - "passwordmd5=", lastfm_config.md5, "&" - "debug=0&partner=", NULL); - response = lastfm_get(p, mutex, cond); - g_free(p); - if (response == NULL) - return NULL; - - /* extract session id from response */ - - session = lastfm_find(response, "session"); - g_free(response); - if (session == NULL) { - g_warning("last.fm handshake failed"); - return NULL; - } - - q = g_uri_escape_string(session, NULL, false); - g_free(session); - session = q; - - g_debug("session='%s'", session); - - /* "adjust" last.fm radio */ - - if (strlen(uri) > 9) { - char *escaped_uri; - - escaped_uri = g_uri_escape_string(uri, NULL, false); - - p = g_strconcat("http://ws.audioscrobbler.com/radio/adjust.php?" - "session=", session, "&url=", escaped_uri, "&debug=0", - NULL); - g_free(escaped_uri); - - response = lastfm_get(p, mutex, cond); - g_free(response); - g_free(p); - - if (response == NULL) { - g_free(session); - return NULL; - } - } - - /* create the playlist object */ - - playlist = g_new(struct lastfm_playlist, 1); - playlist_provider_init(&playlist->base, &lastfm_playlist_plugin); - - /* open the last.fm playlist */ - - p = g_strconcat("http://ws.audioscrobbler.com/radio/xspf.php?" - "sk=", session, "&discovery=0&desktop=1.5.1.31879", - NULL); - g_free(session); - - playlist->is = input_stream_open(p, mutex, cond, &error); - g_free(p); - - if (playlist->is == NULL) { - if (error != NULL) { - g_warning("Failed to load XSPF playlist: %s", - error->message); - g_error_free(error); - } else - g_warning("Failed to load XSPF playlist"); - g_free(playlist); - return NULL; - } - - g_mutex_lock(mutex); - - input_stream_wait_ready(playlist->is); - - /* last.fm does not send a MIME type, we have to fake it here - :-( */ - g_free(playlist->is->mime); - playlist->is->mime = g_strdup("application/xspf+xml"); - - g_mutex_unlock(mutex); - - /* parse the XSPF playlist */ - - playlist->xspf = playlist_list_open_stream(playlist->is, NULL); - if (playlist->xspf == NULL) { - input_stream_close(playlist->is); - g_free(playlist); - g_warning("Failed to parse XSPF playlist"); - return NULL; - } - - return &playlist->base; -} - -static void -lastfm_close(struct playlist_provider *_playlist) -{ - struct lastfm_playlist *playlist = (struct lastfm_playlist *)_playlist; - - playlist_plugin_close(playlist->xspf); - input_stream_close(playlist->is); - g_free(playlist); -} - -static struct song * -lastfm_read(struct playlist_provider *_playlist) -{ - struct lastfm_playlist *playlist = (struct lastfm_playlist *)_playlist; - - return playlist_plugin_read(playlist->xspf); -} - -static const char *const lastfm_schemes[] = { - "lastfm", - NULL -}; - -const struct playlist_plugin lastfm_playlist_plugin = { - .name = "lastfm", - - .init = lastfm_init, - .finish = lastfm_finish, - .open_uri = lastfm_open_uri, - .close = lastfm_close, - .read = lastfm_read, - - .schemes = lastfm_schemes, -}; -- cgit v1.2.3