diff options
Diffstat (limited to 'plugins/lastfm/lastfm.c')
| -rw-r--r-- | plugins/lastfm/lastfm.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/plugins/lastfm/lastfm.c b/plugins/lastfm/lastfm.c new file mode 100644 index 00000000..4b6bc21e --- /dev/null +++ b/plugins/lastfm/lastfm.c @@ -0,0 +1,191 @@ +/* + DeaDBeeF - ultimate music player for GNU/Linux systems with X11 + Copyright (C) 2009 Alexey Yakovenko + + 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 <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <curl/curl.h> +#include "../../deadbeef.h" + +static DB_misc_t plugin; +static DB_functions_t *deadbeef; +static char lastfm_login[50]; +static char lastfm_pass[50]; + +#define SCROBBLER_URL "http://ws.audioscrobbler.com/2.0" +#define LASTFM_API_KEY "6b33c8ae4d598a9aff8fe63e334e6e86" +#define LASTFM_API_SECRET "a9f5e17e358377d96e96477d870b2b18" + +DB_plugin_t * +lastfm_load (DB_functions_t *api) { + deadbeef = api; + return DB_PLUGIN (&plugin); +} + +static char *lastfm_srv_res; +static char lastfm_srv_size; +static char lastfm_curl_err[CURL_ERROR_SIZE]; + +static size_t +lastfm_curl_res (void *ptr, size_t size, size_t nmemb, void *stream) +{ + int len = size * nmemb; + lastfm_srv_res = realloc (lastfm_srv_res, lastfm_srv_size + len + 1); + memcpy (lastfm_srv_res + lastfm_srv_size, ptr, len); + lastfm_srv_size += len; + + char s[size*nmemb+1]; + memcpy (s, ptr, size*nmemb); + s[size*nmemb] = 0; + printf ("%s\n", s); + + return len; +} + +int +lastfm_auth (void) { + // auth + char msg[4096]; + char sigstr[4096]; + uint8_t sig[16]; + snprintf (sigstr, sizeof (sigstr), "api_key%smethodauth.getToken%s", SCROBBLER_URL, LASTFM_API_KEY, LASTFM_API_SECRET); + deadbeef->md5 (sig, sigstr, strlen (sigstr)); + deadbeef->md5_to_str (sigstr, sig); + snprintf (msg, sizeof (msg), "%s/?method=auth.getToken&api_key=%s&api_sig=%s", SCROBBLER_URL, LASTFM_API_KEY, sigstr); + printf ("sending request: %s\n", msg); + // init curl + CURL *curl; + curl = curl_easy_init (); + if (!curl) { + fprintf (stderr, "lastfm: failed to init curl\n"); + return 0; + } + curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 1); + curl_easy_setopt(curl, CURLOPT_URL, msg); + curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, lastfm_curl_res); + memset(lastfm_curl_err, 0, sizeof(lastfm_curl_err)); + curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, lastfm_curl_err); + curl_easy_setopt(curl, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_0); + int status = curl_easy_perform(curl); + curl_easy_cleanup (curl); + + if (!status) { + // parse output + if (strstr (lastfm_srv_res, "<lfm status=\"ok\">")) { + char *token = strstr (lastfm_srv_res, "<token>"); + if (token) { + token += 7; + char *end = strstr (token, "</token>"); + if (end) { + *end = 0; + printf ("token: %s\n", token); + } + else { + printf ("no </token>\n"); + } + } + else { + printf ("no <token>\n"); + } + } + else { + printf ("not ok\n"); + } + } + + if (lastfm_srv_res) { + free (lastfm_srv_res); + lastfm_srv_res = NULL; + } +} + +static int +lastfm_frameupdate (int ev, uintptr_t data) { +// printf ("lastfm tick\n"); + return 0; +} + +static int +lastfm_songchanged (int ev, uintptr_t data) { + printf ("song changed\n"); + return 0; +} + +static int +lastfm_start (void) { + // subscribe to frameupdate event + deadbeef->ev_subscribe (DB_PLUGIN (&plugin), DB_EV_FRAMEUPDATE, lastfm_frameupdate, 0); + deadbeef->ev_subscribe (DB_PLUGIN (&plugin), DB_EV_SONGCHANGED, lastfm_songchanged, 0); + // load login/pass + char config[1024]; + snprintf (config, 1024, "%s/.config/deadbeef/lastfm", getenv ("HOME")); + FILE *fp = fopen (config, "rt"); + if (!fp) { + fprintf (stderr, "lastfm: failed open %s\n", config); + return -1; + } + if (!fgets (lastfm_login, 50, fp)) { + fprintf (stderr, "lastfm: failed to read login from %s\n", config); + fclose (fp); + return -1; + } + if (!fgets (lastfm_pass, 50, fp)) { + fprintf (stderr, "lastfm: failed to read pass from %s\n", config); + fclose (fp); + return -1; + } + fclose (fp); + // remove trailing garbage + int l; + char *p; + l = strlen (lastfm_login); + p = lastfm_login+l-1; + while (p >= lastfm_login && *p < 0x20) { + p--; + } + *p = 0; + l = strlen (lastfm_pass); + p = lastfm_pass+l-1; + while (p >= lastfm_login && *p < 0x20) { + p--; + } + *p = 0; + lastfm_auth (); + + return 0; +} + +static int +lastfm_stop (void) { + deadbeef->ev_unsubscribe (DB_PLUGIN (&plugin), DB_EV_FRAMEUPDATE, lastfm_frameupdate, 0); + deadbeef->ev_unsubscribe (DB_PLUGIN (&plugin), DB_EV_SONGCHANGED, lastfm_songchanged, 0); + return 0; +} + +// define plugin interface +static DB_misc_t plugin = { + .plugin.type = DB_PLUGIN_MISC, + .plugin.name = "last.fm scrobbler", + .plugin.descr = "sends played songs information to your last.fm account", + .plugin.author = "Alexey Yakovenko", + .plugin.email = "waker@users.sourceforge.net", + .plugin.website = "http://deadbeef.sf.net", + .plugin.start = lastfm_start, + .plugin.stop = lastfm_stop +}; |