audioscrobbler.c
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:34k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * audioscrobbler.c : audioscrobbler submission plugin
- *****************************************************************************
- * Copyright © 2006-2009 the VideoLAN team
- * $Id: d287188505babf079035745fee26090bb5256766 $
- *
- * Author: Rafaël Carré <funman at videolanorg>
- * Ilkka Ollakka <ileoo at videolan 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.
- *****************************************************************************/
- /* audioscrobbler protocol version: 1.2
- * http://www.audioscrobbler.net/development/protocol/
- *
- * TODO: "Now Playing" feature (not mandatory)
- */
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #if defined( WIN32 )
- #include <time.h>
- #endif
- #ifdef HAVE_CONFIG_H
- # include "config.h"
- #endif
- #include <vlc_common.h>
- #include <vlc_plugin.h>
- #include <vlc_interface.h>
- #include <vlc_dialog.h>
- #include <vlc_meta.h>
- #include <vlc_md5.h>
- #include <vlc_stream.h>
- #include <vlc_url.h>
- #include <vlc_network.h>
- #include <vlc_playlist.h>
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- #define QUEUE_MAX 50
- /* Keeps track of metadata to be submitted */
- typedef struct audioscrobbler_song_t
- {
- char *psz_a; /**< track artist */
- char *psz_t; /**< track title */
- char *psz_b; /**< track album */
- char *psz_n; /**< track number */
- int i_l; /**< track length */
- char *psz_m; /**< musicbrainz id */
- time_t date; /**< date since epoch */
- mtime_t i_start; /**< playing start */
- } audioscrobbler_song_t;
- struct intf_sys_t
- {
- audioscrobbler_song_t p_queue[QUEUE_MAX]; /**< songs not submitted yet*/
- int i_songs; /**< number of songs */
- vlc_mutex_t lock; /**< p_sys mutex */
- vlc_cond_t wait; /**< song to submit event */
- /* data about audioscrobbler session */
- mtime_t next_exchange; /**< when can we send data */
- unsigned int i_interval; /**< waiting interval (secs)*/
- /* submission of played songs */
- char *psz_submit_host; /**< where to submit data */
- int i_submit_port; /**< port to which submit */
- char *psz_submit_file; /**< file to which submit */
- /* submission of playing song */
- #if 0 //NOT USED
- char *psz_nowp_host; /**< where to submit data */
- int i_nowp_port; /**< port to which submit */
- char *psz_nowp_file; /**< file to which submit */
- #endif
- bool b_handshaked; /**< are we authenticated ? */
- char psz_auth_token[33]; /**< Authentication token */
- /* data about song currently playing */
- audioscrobbler_song_t p_current_song; /**< song being played */
- mtime_t time_pause; /**< time when vlc paused */
- mtime_t time_total_pauses; /**< total time in pause */
- bool b_submit; /**< do we have to submit ? */
- bool b_state_cb; /**< if we registered the
- * "state" callback */
- bool b_meta_read; /**< if we read the song's
- * metadata already */
- };
- static int Open ( vlc_object_t * );
- static void Close ( vlc_object_t * );
- static void Run ( intf_thread_t * );
- static int ItemChange ( vlc_object_t *, const char *, vlc_value_t,
- vlc_value_t, void * );
- static int PlayingChange ( vlc_object_t *, const char *, vlc_value_t,
- vlc_value_t, void * );
- static void AddToQueue ( intf_thread_t * );
- static int Handshake ( intf_thread_t * );
- static int ReadMetaData ( intf_thread_t * );
- static void DeleteSong ( audioscrobbler_song_t* );
- static int ParseURL ( char *, char **, char **, int * );
- static void HandleInterval ( mtime_t *, unsigned int * );
- /*****************************************************************************
- * Module descriptor
- ****************************************************************************/
- #define USERNAME_TEXT N_("Username")
- #define USERNAME_LONGTEXT N_("The username of your last.fm account")
- #define PASSWORD_TEXT N_("Password")
- #define PASSWORD_LONGTEXT N_("The password of your last.fm account")
- #define URL_TEXT N_("Scrobbler URL")
- #define URL_LONGTEXT N_("The URL set for an alternative scrobbler engine")
- /* This error value is used when last.fm plugin has to be unloaded. */
- #define VLC_AUDIOSCROBBLER_EFATAL -69
- /* last.fm client identifier */
- #define CLIENT_NAME PACKAGE
- #define CLIENT_VERSION VERSION
- /* HTTP POST request : to submit data */
- #define POST_REQUEST "POST /%s HTTP/1.1n"
- "Accept-Encoding: identityn"
- "Content-length: %un"
- "Connection: closen"
- "Content-type: application/x-www-form-urlencodedn"
- "Host: %sn"
- "User-agent: VLC media player/%srn"
- "rn"
- "%srn"
- "rn"
- vlc_module_begin ()
- set_category( CAT_INTERFACE )
- set_subcategory( SUBCAT_INTERFACE_CONTROL )
- set_shortname( N_( "Audioscrobbler" ) )
- set_description( N_("Submission of played songs to last.fm") )
- add_string( "lastfm-username", "", NULL,
- USERNAME_TEXT, USERNAME_LONGTEXT, false )
- add_password( "lastfm-password", "", NULL,
- PASSWORD_TEXT, PASSWORD_LONGTEXT, false )
- add_string( "scrobbler-url", "post.audioscrobbler.com", NULL,
- URL_TEXT, URL_LONGTEXT, false )
- set_capability( "interface", 0 )
- set_callbacks( Open, Close )
- vlc_module_end ()
- /*****************************************************************************
- * Open: initialize and create stuff
- *****************************************************************************/
- static int Open( vlc_object_t *p_this )
- {
- playlist_t *p_playlist;
- intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
- intf_sys_t *p_sys = calloc( 1, sizeof( intf_sys_t ) );
- if( !p_sys )
- return VLC_ENOMEM;
- p_intf->p_sys = p_sys;
- vlc_mutex_init( &p_sys->lock );
- vlc_cond_init( &p_sys->wait );
- p_playlist = pl_Hold( p_intf );
- PL_LOCK;
- var_AddCallback( p_playlist, "item-current", ItemChange, p_intf );
- PL_UNLOCK;
- pl_Release( p_intf );
- p_intf->pf_run = Run;
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Close: destroy interface stuff
- *****************************************************************************/
- static void Close( vlc_object_t *p_this )
- {
- playlist_t *p_playlist;
- input_thread_t *p_input;
- intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
- intf_sys_t *p_sys = p_intf->p_sys;
- p_playlist = pl_Hold( p_intf );
- if( p_playlist )
- {
- var_DelCallback( p_playlist, "item-current", ItemChange, p_intf );
- p_input = playlist_CurrentInput( p_playlist );
- if ( p_input )
- {
- if( p_sys->b_state_cb )
- var_DelCallback( p_input, "intf-event", PlayingChange, p_intf );
- vlc_object_release( p_input );
- }
- pl_Release( p_intf );
- }
- int i;
- for( i = 0; i < p_sys->i_songs; i++ )
- DeleteSong( &p_sys->p_queue[i] );
- free( p_sys->psz_submit_host );
- free( p_sys->psz_submit_file );
- #if 0 //NOT USED
- free( p_sys->psz_nowp_host );
- free( p_sys->psz_nowp_file );
- #endif
- vlc_cond_destroy( &p_sys->wait );
- vlc_mutex_destroy( &p_sys->lock );
- free( p_sys );
- }
- /*****************************************************************************
- * Run : call Handshake() then submit songs
- *****************************************************************************/
- static void Run( intf_thread_t *p_intf )
- {
- char *psz_submit, *psz_submit_song, *psz_submit_tmp;
- int i_net_ret;
- int i_song;
- uint8_t p_buffer[1024];
- char *p_buffer_pos;
- int i_post_socket;
- int canc = vlc_savecancel();
- intf_sys_t *p_sys = p_intf->p_sys;
- /* main loop */
- for( ;; )
- {
- bool b_wait = false;
- vlc_restorecancel( canc );
- vlc_mutex_lock( &p_sys->lock );
- mutex_cleanup_push( &p_sys->lock );
- if( mdate() < p_sys->next_exchange )
- /* wait until we can resubmit, i.e. */
- b_wait = vlc_cond_timedwait( &p_sys->wait, &p_sys->lock,
- p_sys->next_exchange ) == 0;
- else
- /* wait for data to submit */
- /* we are signaled each time there is a song to submit */
- vlc_cond_wait( &p_sys->wait, &p_sys->lock );
- vlc_cleanup_run();
- canc = vlc_savecancel();
- if( b_wait )
- continue; /* holding on until next_exchange */
- /* handshake if needed */
- if( p_sys->b_handshaked == false )
- {
- msg_Dbg( p_intf, "Handshaking with last.fm ..." );
- switch( Handshake( p_intf ) )
- {
- case VLC_ENOMEM:
- return;
- case VLC_ENOVAR:
- /* username not set */
- dialog_Fatal( p_intf,
- _("Last.fm username not set"),
- "%s", _("Please set a username or disable the "
- "audioscrobbler plugin, and restart VLC.n"
- "Visit http://www.last.fm/join/ to get an account.")
- );
- return;
- case VLC_SUCCESS:
- msg_Dbg( p_intf, "Handshake successfull :)" );
- p_sys->b_handshaked = true;
- p_sys->i_interval = 0;
- p_sys->next_exchange = mdate();
- break;
- case VLC_AUDIOSCROBBLER_EFATAL:
- msg_Warn( p_intf, "Exiting..." );
- return;
- case VLC_EGENERIC:
- default:
- /* protocol error : we'll try later */
- HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
- break;
- }
- /* if handshake failed let's restart the loop */
- if( p_sys->b_handshaked == false )
- continue;
- }
- msg_Dbg( p_intf, "Going to submit some data..." );
- /* The session may be invalid if there is a trailing n */
- char *psz_ln = strrchr( p_sys->psz_auth_token, 'n' );
- if( psz_ln )
- *psz_ln = ' ';
- if( !asprintf( &psz_submit, "s=%s", p_sys->psz_auth_token ) )
- { /* Out of memory */
- return;
- }
- /* forge the HTTP POST request */
- vlc_mutex_lock( &p_sys->lock );
- audioscrobbler_song_t *p_song;
- for( i_song = 0 ; i_song < p_sys->i_songs ; i_song++ )
- {
- p_song = &p_sys->p_queue[i_song];
- if( !asprintf( &psz_submit_song,
- "&a%%5B%d%%5D=%s"
- "&t%%5B%d%%5D=%s"
- "&i%%5B%d%%5D=%u"
- "&o%%5B%d%%5D=P"
- "&r%%5B%d%%5D="
- "&l%%5B%d%%5D=%d"
- "&b%%5B%d%%5D=%s"
- "&n%%5B%d%%5D=%s"
- "&m%%5B%d%%5D=%s",
- i_song, p_song->psz_a,
- i_song, p_song->psz_t,
- i_song, (unsigned)p_song->date, /* HACK: %ju (uintmax_t) unsupported on Windows */
- i_song,
- i_song,
- i_song, p_song->i_l,
- i_song, p_song->psz_b,
- i_song, p_song->psz_n,
- i_song, p_song->psz_m
- ) )
- { /* Out of memory */
- vlc_mutex_unlock( &p_sys->lock );
- return;
- }
- psz_submit_tmp = psz_submit;
- if( !asprintf( &psz_submit, "%s%s",
- psz_submit_tmp, psz_submit_song ) )
- { /* Out of memory */
- free( psz_submit_tmp );
- free( psz_submit_song );
- vlc_mutex_unlock( &p_sys->lock );
- return;
- }
- free( psz_submit_song );
- free( psz_submit_tmp );
- }
- vlc_mutex_unlock( &p_sys->lock );
- i_post_socket = net_ConnectTCP( p_intf,
- p_sys->psz_submit_host, p_sys->i_submit_port );
- if ( i_post_socket == -1 )
- {
- /* If connection fails, we assume we must handshake again */
- HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
- p_sys->b_handshaked = false;
- free( psz_submit );
- continue;
- }
- /* we transmit the data */
- i_net_ret = net_Printf(
- VLC_OBJECT( p_intf ), i_post_socket, NULL,
- POST_REQUEST, p_sys->psz_submit_file,
- (unsigned)strlen( psz_submit ), p_sys->psz_submit_host,
- VERSION, psz_submit
- );
- free( psz_submit );
- if ( i_net_ret == -1 )
- {
- /* If connection fails, we assume we must handshake again */
- HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
- p_sys->b_handshaked = false;
- continue;
- }
- i_net_ret = net_Read( p_intf, i_post_socket, NULL,
- p_buffer, 1023, false );
- if ( i_net_ret <= 0 )
- {
- /* if we get no answer, something went wrong : try again */
- continue;
- }
- net_Close( i_post_socket );
- p_buffer[i_net_ret] = ' ';
- p_buffer_pos = strstr( ( char * ) p_buffer, "FAILED" );
- if ( p_buffer_pos )
- {
- msg_Warn( p_intf, "%s", p_buffer_pos );
- HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
- continue;
- }
- p_buffer_pos = strstr( ( char * ) p_buffer, "BADSESSION" );
- if ( p_buffer_pos )
- {
- msg_Err( p_intf, "Authentication failed (BADSESSION), are you connected to last.fm with another program ?" );
- p_sys->b_handshaked = false;
- HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
- continue;
- }
- p_buffer_pos = strstr( ( char * ) p_buffer, "OK" );
- if ( p_buffer_pos )
- {
- int i;
- for( i = 0; i < p_sys->i_songs; i++ )
- DeleteSong( &p_sys->p_queue[i] );
- p_sys->i_songs = 0;
- p_sys->i_interval = 0;
- p_sys->next_exchange = mdate();
- msg_Dbg( p_intf, "Submission successful!" );
- }
- else
- {
- msg_Err( p_intf, "Authentication failed, handshaking again (%s)",
- p_buffer );
- p_sys->b_handshaked = false;
- HandleInterval( &p_sys->next_exchange, &p_sys->i_interval );
- continue;
- }
- }
- vlc_restorecancel( canc );
- }
- /*****************************************************************************
- * PlayingChange: Playing status change callback
- *****************************************************************************/
- static int PlayingChange( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
- {
- intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
- intf_sys_t *p_sys = p_intf->p_sys;
- input_thread_t *p_input = ( input_thread_t* )p_this;
- vlc_value_t state_value;
- VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
- if( newval.i_int != INPUT_EVENT_STATE ) return VLC_SUCCESS;
- state_value.i_int = 0;
- var_Get( p_input, "state", &state_value );
- if( p_sys->b_meta_read == false && state_value.i_int >= PLAYING_S )
- {
- ReadMetaData( p_intf );
- return VLC_SUCCESS;
- }
- if( state_value.i_int >= END_S )
- AddToQueue( p_intf );
- else if( state_value.i_int == PAUSE_S )
- p_sys->time_pause = mdate();
- else if( p_sys->time_pause > 0 && state_value.i_int == PLAYING_S )
- {
- p_sys->time_total_pauses += ( mdate() - p_sys->time_pause );
- p_sys->time_pause = 0;
- }
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * ItemChange: Playlist item change callback
- *****************************************************************************/
- static int ItemChange( vlc_object_t *p_this, const char *psz_var,
- vlc_value_t oldval, vlc_value_t newval, void *p_data )
- {
- playlist_t *p_playlist;
- input_thread_t *p_input;
- intf_thread_t *p_intf = ( intf_thread_t* ) p_data;
- intf_sys_t *p_sys = p_intf->p_sys;
- input_item_t *p_item;
- vlc_value_t video_val;
- VLC_UNUSED( p_this ); VLC_UNUSED( psz_var );
- VLC_UNUSED( oldval ); VLC_UNUSED( newval );
- p_sys->b_state_cb = false;
- p_sys->b_meta_read = false;
- p_sys->b_submit = false;
- p_playlist = pl_Hold( p_intf );
- p_input = playlist_CurrentInput( p_playlist );
- if( !p_input || p_input->b_dead )
- {
- pl_Release( p_intf );
- return VLC_SUCCESS;
- }
- pl_Release( p_intf );
- p_item = input_GetItem( p_input );
- if( !p_item )
- {
- vlc_object_release( p_input );
- return VLC_SUCCESS;
- }
- var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &video_val, NULL );
- if( ( video_val.i_int > 0 ) || p_item->i_type == ITEM_TYPE_NET )
- {
- msg_Dbg( p_this, "Not an audio local file, not submitting");
- vlc_object_release( p_input );
- return VLC_SUCCESS;
- }
- p_sys->time_total_pauses = 0;
- time( &p_sys->p_current_song.date ); /* to be sent to last.fm */
- p_sys->p_current_song.i_start = mdate(); /* only used locally */
- var_AddCallback( p_input, "intf-event", PlayingChange, p_intf );
- p_sys->b_state_cb = true;
- if( input_item_IsPreparsed( p_item ) )
- ReadMetaData( p_intf );
- /* if the input item was not preparsed, we'll do it in PlayingChange()
- * callback, when "state" == PLAYING_S */
- vlc_object_release( p_input );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * AddToQueue: Add the played song to the queue to be submitted
- *****************************************************************************/
- static void AddToQueue ( intf_thread_t *p_this )
- {
- mtime_t played_time;
- intf_sys_t *p_sys = p_this->p_sys;
- vlc_mutex_lock( &p_sys->lock );
- if( !p_sys->b_submit )
- goto end;
- /* wait for the user to listen enough before submitting */
- played_time = mdate() - p_sys->p_current_song.i_start -
- p_sys->time_total_pauses;
- played_time /= 1000000; /* µs → s */
- /*HACK: it seam that the preparsing sometime fail,
- so use the playing time as the song length */
- if( p_sys->p_current_song.i_l == 0 )
- p_sys->p_current_song.i_l = played_time;
- /* Don't send song shorter than 30s */
- if( p_sys->p_current_song.i_l < 30 )
- {
- msg_Dbg( p_this, "Song too short (< 30s), not submitting" );
- goto end;
- }
- /* Send if the user had listen more than 240s OR half the track length */
- if( ( played_time < 240 ) &&
- ( played_time < ( p_sys->p_current_song.i_l / 2 ) ) )
- {
- msg_Dbg( p_this, "Song not listened long enough, not submitting" );
- goto end;
- }
- /* Check that all meta are present */
- if( !p_sys->p_current_song.psz_a || !*p_sys->p_current_song.psz_a ||
- !p_sys->p_current_song.psz_t || !*p_sys->p_current_song.psz_t )
- {
- msg_Dbg( p_this, "Missing artist or title, not submitting" );
- goto end;
- }
- if( p_sys->i_songs >= QUEUE_MAX )
- {
- msg_Warn( p_this, "Submission queue is full, not submitting" );
- goto end;
- }
- msg_Dbg( p_this, "Song will be submitted." );
- #define QUEUE_COPY( a )
- p_sys->p_queue[p_sys->i_songs].a = p_sys->p_current_song.a
- #define QUEUE_COPY_NULL( a )
- QUEUE_COPY( a );
- p_sys->p_current_song.a = NULL
- QUEUE_COPY( i_l );
- QUEUE_COPY_NULL( psz_n );
- QUEUE_COPY_NULL( psz_a );
- QUEUE_COPY_NULL( psz_t );
- QUEUE_COPY_NULL( psz_b );
- QUEUE_COPY_NULL( psz_m );
- QUEUE_COPY( date );
- #undef QUEUE_COPY_NULL
- #undef QUEUE_COPY
- p_sys->i_songs++;
- /* signal the main loop we have something to submit */
- vlc_cond_signal( &p_sys->wait );
- end:
- DeleteSong( &p_sys->p_current_song );
- p_sys->b_submit = false;
- vlc_mutex_unlock( &p_sys->lock );
- }
- /*****************************************************************************
- * ParseURL : Split an http:// URL into host, file, and port
- *
- * Example: "62.216.251.205:80/protocol_1.2"
- * will be split into "62.216.251.205", 80, "protocol_1.2"
- *
- * psz_url will be freed before returning
- * *psz_file & *psz_host will be freed before use
- *
- * Return value:
- * VLC_ENOMEM Out Of Memory
- * VLC_EGENERIC Invalid url provided
- * VLC_SUCCESS Success
- *****************************************************************************/
- static int ParseURL( char *psz_url, char **psz_host, char **psz_file,
- int *i_port )
- {
- int i_pos;
- int i_len = strlen( psz_url );
- bool b_no_port = false;
- FREENULL( *psz_host );
- FREENULL( *psz_file );
- i_pos = strcspn( psz_url, ":" );
- if( i_pos == i_len )
- {
- *i_port = 80;
- i_pos = strcspn( psz_url, "/" );
- b_no_port = true;
- }
- *psz_host = strndup( psz_url, i_pos );
- if( !*psz_host )
- return VLC_ENOMEM;
- if( !b_no_port )
- {
- i_pos++; /* skip the ':' */
- *i_port = atoi( psz_url + i_pos );
- if( *i_port <= 0 )
- {
- FREENULL( *psz_host );
- return VLC_EGENERIC;
- }
- i_pos = strcspn( psz_url, "/" );
- }
- if( i_pos == i_len )
- return VLC_EGENERIC;
- i_pos++; /* skip the '/' */
- *psz_file = strdup( psz_url + i_pos );
- if( !*psz_file )
- {
- FREENULL( *psz_host );
- return VLC_ENOMEM;
- }
- free( psz_url );
- return VLC_SUCCESS;
- }
- /*****************************************************************************
- * Handshake : Init audioscrobbler connection
- *****************************************************************************/
- static int Handshake( intf_thread_t *p_this )
- {
- char *psz_username, *psz_password;
- char *psz_scrobbler_url;
- time_t timestamp;
- char psz_timestamp[21];
- struct md5_s p_struct_md5;
- stream_t *p_stream;
- char *psz_handshake_url;
- uint8_t p_buffer[1024];
- char *p_buffer_pos;
- int i_ret;
- char *psz_url;
- intf_thread_t *p_intf = ( intf_thread_t* ) p_this;
- intf_sys_t *p_sys = p_this->p_sys;
- psz_username = config_GetPsz( p_this, "lastfm-username" );
- if( !psz_username )
- return VLC_ENOMEM;
- psz_password = config_GetPsz( p_this, "lastfm-password" );
- if( !psz_password )
- {
- free( psz_username );
- return VLC_ENOMEM;
- }
- /* username or password have not been setup */
- if ( !*psz_username || !*psz_password )
- {
- free( psz_username );
- free( psz_password );
- return VLC_ENOVAR;
- }
- time( ×tamp );
- /* generates a md5 hash of the password */
- InitMD5( &p_struct_md5 );
- AddMD5( &p_struct_md5, ( uint8_t* ) psz_password, strlen( psz_password ) );
- EndMD5( &p_struct_md5 );
- free( psz_password );
- char *psz_password_md5 = psz_md5_hash( &p_struct_md5 );
- if( !psz_password_md5 )
- {
- free( psz_username );
- return VLC_ENOMEM;
- }
- snprintf( psz_timestamp, sizeof( psz_timestamp ), "%"PRIu64,
- (uint64_t)timestamp );
- /* generates a md5 hash of :
- * - md5 hash of the password, plus
- * - timestamp in clear text
- */
- InitMD5( &p_struct_md5 );
- AddMD5( &p_struct_md5, ( uint8_t* ) psz_password_md5, 32 );
- AddMD5( &p_struct_md5, ( uint8_t* ) psz_timestamp, strlen( psz_timestamp ));
- EndMD5( &p_struct_md5 );
- free( psz_password_md5 );
- char *psz_auth_token = psz_md5_hash( &p_struct_md5 );
- if( !psz_auth_token )
- {
- free( psz_username );
- return VLC_ENOMEM;
- }
- strncpy( p_sys->psz_auth_token, psz_auth_token, 33 );
- free( psz_auth_token );
- psz_scrobbler_url = config_GetPsz( p_this, "scrobbler-url" );
- if( !psz_scrobbler_url )
- {
- free( psz_username );
- return VLC_ENOMEM;
- }
- if( !asprintf( &psz_handshake_url,
- "http://%s/?hs=true&p=1.2&c=%s&v=%s&u=%s&t=%s&a=%s", psz_scrobbler_url,
- CLIENT_NAME, CLIENT_VERSION, psz_username, psz_timestamp,
- p_sys->psz_auth_token ) )
- {
- free( psz_scrobbler_url );
- free( psz_username );
- return VLC_ENOMEM;
- }
- free( psz_scrobbler_url );
- free( psz_username );
- /* send the http handshake request */
- p_stream = stream_UrlNew( p_intf, psz_handshake_url );
- free( psz_handshake_url );
- if( !p_stream )
- return VLC_EGENERIC;
- /* read answer */
- i_ret = stream_Read( p_stream, p_buffer, 1023 );
- if( i_ret == 0 )
- {
- stream_Delete( p_stream );
- return VLC_EGENERIC;
- }
- p_buffer[i_ret] = ' ';
- stream_Delete( p_stream );
- p_buffer_pos = strstr( ( char* ) p_buffer, "FAILED " );
- if ( p_buffer_pos )
- {
- /* handshake request failed, sorry */
- msg_Err( p_this, "last.fm handshake failed: %s", p_buffer_pos + 7 );
- return VLC_EGENERIC;
- }
- p_buffer_pos = strstr( ( char* ) p_buffer, "BADAUTH" );
- if ( p_buffer_pos )
- {
- /* authentication failed, bad username/password combination */
- dialog_Fatal( p_this,
- _("last.fm: Authentication failed"),
- "%s", _("last.fm username or password is incorrect. "
- "Please verify your settings and relaunch VLC." ) );
- return VLC_AUDIOSCROBBLER_EFATAL;
- }
- p_buffer_pos = strstr( ( char* ) p_buffer, "BANNED" );
- if ( p_buffer_pos )
- {
- /* oops, our version of vlc has been banned by last.fm servers */
- msg_Err( p_intf, "This version of VLC has been banned by last.fm. "
- "You should upgrade VLC, or disable the last.fm plugin." );
- return VLC_AUDIOSCROBBLER_EFATAL;
- }
- p_buffer_pos = strstr( ( char* ) p_buffer, "BADTIME" );
- if ( p_buffer_pos )
- {
- /* The system clock isn't good */
- msg_Err( p_intf, "last.fm handshake failed because your clock is too "
- "much shifted. Please correct it, and relaunch VLC." );
- return VLC_AUDIOSCROBBLER_EFATAL;
- }
- p_buffer_pos = strstr( ( char* ) p_buffer, "OK" );
- if ( !p_buffer_pos )
- goto proto;
- p_buffer_pos = strstr( p_buffer_pos, "n" );
- if( !p_buffer_pos || strlen( p_buffer_pos ) < 34 )
- goto proto;
- p_buffer_pos++; /* we skip the 'n' */
- /* save the session ID */
- snprintf( p_sys->psz_auth_token, 33, "%s", p_buffer_pos );
- p_buffer_pos = strstr( p_buffer_pos, "http://" );
- if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 )
- goto proto;
- /* We need to read the nowplaying url */
- p_buffer_pos += 7; /* we skip "http://" */
- #if 0 //NOT USED
- psz_url = strndup( p_buffer_pos, strcspn( p_buffer_pos, "n" ) );
- if( !psz_url )
- goto oom;
- switch( ParseURL( psz_url, &p_sys->psz_nowp_host,
- &p_sys->psz_nowp_file, &p_sys->i_nowp_port ) )
- {
- case VLC_ENOMEM:
- goto oom;
- case VLC_EGENERIC:
- goto proto;
- case VLC_SUCCESS:
- default:
- break;
- }
- #endif
- p_buffer_pos = strstr( p_buffer_pos, "http://" );
- if( !p_buffer_pos || strlen( p_buffer_pos ) == 7 )
- goto proto;
- /* We need to read the submission url */
- p_buffer_pos += 7; /* we skip "http://" */
- psz_url = strndup( p_buffer_pos, strcspn( p_buffer_pos, "n" ) );
- if( !psz_url )
- goto oom;
- switch( ParseURL( psz_url, &p_sys->psz_submit_host,
- &p_sys->psz_submit_file, &p_sys->i_submit_port ) )
- {
- case VLC_ENOMEM:
- goto oom;
- case VLC_EGENERIC:
- goto proto;
- case VLC_SUCCESS:
- default:
- break;
- }
- return VLC_SUCCESS;
- oom:
- return VLC_ENOMEM;
- proto:
- msg_Err( p_intf, "Handshake: can't recognize server protocol" );
- return VLC_EGENERIC;
- }
- /*****************************************************************************
- * DeleteSong : Delete the char pointers in a song
- *****************************************************************************/
- static void DeleteSong( audioscrobbler_song_t* p_song )
- {
- FREENULL( p_song->psz_a );
- FREENULL( p_song->psz_b );
- FREENULL( p_song->psz_t );
- FREENULL( p_song->psz_m );
- FREENULL( p_song->psz_n );
- }
- /*****************************************************************************
- * ReadMetaData : Read meta data when parsed by vlc
- *****************************************************************************/
- static int ReadMetaData( intf_thread_t *p_this )
- {
- playlist_t *p_playlist;
- input_thread_t *p_input;
- input_item_t *p_item;
- intf_sys_t *p_sys = p_this->p_sys;
- p_playlist = pl_Hold( p_this );
- p_input = playlist_CurrentInput( p_playlist );
- if( !p_input )
- {
- pl_Release( p_this );
- return( VLC_SUCCESS );
- }
- pl_Release( p_this );
- p_item = input_GetItem( p_input );
- if( !p_item )
- return VLC_SUCCESS;
- char *psz_meta;
- #define ALLOC_ITEM_META( a, b )
- psz_meta = input_item_Get##b( p_item );
- if( psz_meta && *psz_meta )
- {
- a = encode_URI_component( psz_meta );
- if( !a )
- {
- vlc_mutex_unlock( &p_sys->lock );
- vlc_object_release( p_input );
- free( psz_meta );
- return VLC_ENOMEM;
- }
- }
- vlc_mutex_lock( &p_sys->lock );
- p_sys->b_meta_read = true;
- ALLOC_ITEM_META( p_sys->p_current_song.psz_a, Artist )
- else
- {
- vlc_mutex_unlock( &p_sys->lock );
- msg_Dbg( p_this, "No artist.." );
- vlc_object_release( p_input );
- free( psz_meta );
- return VLC_EGENERIC;
- }
- free( psz_meta );
- ALLOC_ITEM_META( p_sys->p_current_song.psz_t, Title )
- else
- {
- vlc_mutex_unlock( &p_sys->lock );
- msg_Dbg( p_this, "No track name.." );
- vlc_object_release( p_input );
- free( p_sys->p_current_song.psz_a );
- free( psz_meta );
- return VLC_EGENERIC;
- }
- free( psz_meta );
- /* Now we have read the mandatory meta data, so we can submit that info */
- p_sys->b_submit = true;
- ALLOC_ITEM_META( p_sys->p_current_song.psz_b, Album )
- else
- p_sys->p_current_song.psz_b = calloc( 1, 1 );
- free( psz_meta );
- ALLOC_ITEM_META( p_sys->p_current_song.psz_m, TrackID )
- else
- p_sys->p_current_song.psz_m = calloc( 1, 1 );
- free( psz_meta );
- p_sys->p_current_song.i_l = input_item_GetDuration( p_item ) / 1000000;
- ALLOC_ITEM_META( p_sys->p_current_song.psz_n, TrackNum )
- else
- p_sys->p_current_song.psz_n = calloc( 1, 1 );
- free( psz_meta );
- #undef ALLOC_ITEM_META
- msg_Dbg( p_this, "Meta data registered" );
- vlc_mutex_unlock( &p_sys->lock );
- vlc_object_release( p_input );
- return VLC_SUCCESS;
- }
- static void HandleInterval( mtime_t *next, unsigned int *i_interval )
- {
- if( *i_interval == 0 )
- {
- /* first interval is 1 minute */
- *i_interval = 1;
- }
- else
- {
- /* else we double the previous interval, up to 120 minutes */
- *i_interval <<= 1;
- if( *i_interval > 120 )
- *i_interval = 120;
- }
- *next = mdate() + ( *i_interval * 1000000 * 60 );
- }