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/*
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
};
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