*/
#import "AudioscrobblerController.h"
+#import "PreferencesController.h"
+#import <openssl/evp.h>
+#import <ITFoundation/ITDebug.h>
+
+#define AUDIOSCROBBLER_ID @"tst"
+#define AUDIOSCROBBLER_VERSION [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]
static AudioscrobblerController *_sharedController = nil;
@implementation AudioscrobblerController
-+ (void)load
+/*+ (void)load
{
- //[[AudioscrobblerController sharedController] attemptHandshake];
-}
+ NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+ [[AudioscrobblerController sharedController] submitTrack:@"Immigrant Song" artist:@"Led Zeppelin" album:@"How The West Was Won" length:221];
+ [[AudioscrobblerController sharedController] submitTrack:@"Comfortably Numb" artist:@"Pink Floyd" album:@"The Wall" length:384];
+ [[AudioscrobblerController sharedController] submitTracks];
+ [pool release];
+}*/
+ (AudioscrobblerController *)sharedController
{
{
if ( (self = [super init]) ) {
_handshakeCompleted = NO;
+ _md5Challenge = nil;
+ _postURL = nil;
+
+ /*_handshakeCompleted = YES;
+ _md5Challenge = @"rawr";
+ _postURL = [NSURL URLWithString:@"http://audioscrobbler.com/"];*/
+
+ _delayDate = nil;
_responseData = nil;
+ _tracks = [[NSMutableArray alloc] init];
+ _submitTracks = [[NSMutableArray alloc] init];
+ [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleAudioscrobblerNotification:) name:nil object:self];
}
return self;
}
- (void)dealloc
{
+ [_md5Challenge release];
+ [_postURL release];
[_responseData release];
+ [_submitTracks release];
+ [_tracks release];
[super dealloc];
}
-- (void)attemptHandshake
+- (void)attemptHandshake:(BOOL)force
{
- NSString *version = [[[NSBundle bundleWithPath:[[NSWorkspace sharedWorkspace] fullPathForApplication:@"iTunes.app"]] infoDictionary] objectForKey:@"CFBundleVersion"], *user = @"Tristrex";
- NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://post.audioscrobbler.com/?hs=true&p=1.1&c=est&v=\"%@\"&u=\"%@\"", version, user]];
- NSURLConnection *connection;
+ if (_handshakeCompleted && !force) {
+ return;
+ }
- _responseData = [[NSMutableData alloc] init];
- connection = [NSURLConnection connectionWithRequest:[NSURLRequest requestWithURL:url] delegate:self];
+ //Delay if we haven't met the interval time limit
+ NSTimeInterval interval = [_delayDate timeIntervalSinceNow];
+ if (interval > 0) {
+ ITDebugLog(@"Audioscrobbler: Delaying handshake attempt for %i seconds", interval);
+ [self performSelector:@selector(attemptHandshake) withObject:nil afterDelay:interval + 1];
+ return;
+ }
- _handshakeCompleted = YES;
+ NSString *user = [[NSUserDefaults standardUserDefaults] stringForKey:@"audioscrobblerUser"];
+ if (!_handshakeCompleted && user) {
+ NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://post.audioscrobbler.com/?hs=true&p=1.1&c=%@&v=%@&u=%@", AUDIOSCROBBLER_ID, AUDIOSCROBBLER_VERSION, user]];
+
+ _currentStatus = AudioscrobblerRequestingHandshakeStatus;
+ _responseData = [[NSMutableData alloc] init];
+ [NSURLConnection connectionWithRequest:[NSURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:15] delegate:self];
+ }
}
- (BOOL)handshakeCompleted
return _handshakeCompleted;
}
+- (void)submitTrack:(NSString *)title artist:(NSString *)artist album:(NSString *)album length:(int)length
+{
+ ITDebugLog(@"Audioscrobbler: Adding a new track to the submission queue.");
+ NSDictionary *newTrack = [NSDictionary dictionaryWithObjectsAndKeys:title,
+ @"title",
+ artist,
+ @"artist",
+ (album == nil) ? @"" : album,
+ @"album",
+ [NSString stringWithFormat:@"%i", length],
+ @"length",
+ [[NSDate date] descriptionWithCalendarFormat:@"%Y-%m-%d %H:%M:%S" timeZone:nil locale:nil],
+ @"time",
+ nil, nil];
+ [_tracks addObject:newTrack];
+ [self submitTracks];
+}
+
+- (void)submitTracks
+{
+ if (!_handshakeCompleted) {
+ [self attemptHandshake:NO];
+ return;
+ }
+
+ NSString *user = [[NSUserDefaults standardUserDefaults] stringForKey:@"audioscrobblerUser"], *passString = [PreferencesController getKeychainItemPasswordForUser:user];
+ char *pass = (char *)[passString UTF8String];
+
+ if (passString == nil) {
+ NSLog(@"Audioscrobbler: Access denied to user password");
+ return;
+ }
+
+ NSTimeInterval interval = [_delayDate timeIntervalSinceNow];
+ if (interval > 0) {
+ ITDebugLog(@"Audioscrobbler: Delaying track submission for %f seconds", interval);
+ [self performSelector:@selector(submitTracks) withObject:nil afterDelay:interval + 1];
+ return;
+ }
+
+ int i;
+ NSMutableString *requestString;
+ NSString *authString, *responseHash = @"";
+ unsigned char *buffer;
+ EVP_MD_CTX ctx;
+
+ ITDebugLog(@"Audioscrobbler: Submitting queued tracks");
+
+ if ([_tracks count] == 0) {
+ ITDebugLog(@"Audioscrobbler: No queued tracks to submit.");
+ return;
+ }
+
+ //Build the MD5 response string we send along with the request
+ buffer = malloc(EVP_MD_size(EVP_md5()));
+ EVP_DigestInit(&ctx, EVP_md5());
+ EVP_DigestUpdate(&ctx, pass, strlen(pass));
+ EVP_DigestFinal(&ctx, buffer, NULL);
+
+ for (i = 0; i < 16; i++) {
+ responseHash = [responseHash stringByAppendingFormat:@"%0.2x", buffer[i]];
+ }
+
+ free(buffer);
+ buffer = malloc(EVP_MD_size(EVP_md5()));
+ char *cat = (char *)[[responseHash stringByAppendingString:_md5Challenge] UTF8String];
+ EVP_DigestInit(&ctx, EVP_md5());
+ EVP_DigestUpdate(&ctx, cat, strlen(cat));
+ EVP_DigestFinal(&ctx, buffer, NULL);
+
+ responseHash = @"";
+ for (i = 0; i < 16; i++) {
+ responseHash = [responseHash stringByAppendingFormat:@"%0.2x", buffer[i]];
+ }
+ free(buffer);
+
+ authString = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)[NSString stringWithFormat:@"u=%@&s=%@", user, responseHash], NULL, NULL, kCFStringEncodingUTF8);
+ requestString = [[NSMutableString alloc] initWithString:authString];
+ [authString release];
+
+ //We can only submit ten tracks at a time
+ for (i = 0; (i < [_tracks count]) && (i < 10); i++) {
+ NSDictionary *nextTrack = [_tracks objectAtIndex:i];
+ NSString *trackString;
+
+ trackString = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)[NSString stringWithFormat:@"&a[%i]=%@&t[%i]=%@&b[%i]=%@&m[%i]=&l[%i]=%@&i[%i]=%@", i, [nextTrack objectForKey:@"artist"], i, [nextTrack objectForKey:@"title"], i, [nextTrack objectForKey:@"album"], i, i, [nextTrack objectForKey:@"length"], i, [nextTrack objectForKey:@"time"]], NULL, NULL, kCFStringEncodingUTF8);
+ [requestString appendString:trackString];
+ [trackString release];
+ [_submitTracks addObject:nextTrack];
+ }
+
+ //Create and send the request
+ NSMutableURLRequest *request = [[NSURLRequest requestWithURL:_postURL cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:15] mutableCopy];
+ [request setHTTPMethod:@"POST"];
+ [request setHTTPBody:[requestString dataUsingEncoding:NSUTF8StringEncoding]];
+ _currentStatus = AudioscrobblerSubmittingTracksStatus;
+ _responseData = [[NSMutableData alloc] init];
+ [NSURLConnection connectionWithRequest:request delegate:self];
+ [requestString release];
+ [request release];
+
+ //If we have tracks left, submit again after the interval seconds
+}
+
+- (void)handleAudioscrobblerNotification:(NSNotification *)note
+{
+ if ([[note name] isEqualToString:@"AudioscrobblerHandshakeComplete"]) {
+ if ([_tracks count] > 0) {
+ [self performSelector:@selector(submitTracks) withObject:nil afterDelay:2];
+ }
+ }
+}
+
#pragma mark -
- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
{
- NSLog(@"Failed with an error: %@", error);
+ ITDebugLog(@"Audioscrobbler: Connection error \"%@\"", error);
}
- (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
- (void)connectionDidFinishLoading:(NSURLConnection *)connection
{
NSString *string = [[NSString alloc] initWithData:_responseData encoding:NSASCIIStringEncoding];
- NSLog(@"Rawr: %@", string);
+ NSArray *lines = [string componentsSeparatedByString:@"\n"];
+ NSString *responseAction = nil;
+
+ if ([lines count] > 0) {
+ responseAction = [lines objectAtIndex:0];
+ }
+
+ if (_currentStatus == AudioscrobblerRequestingHandshakeStatus) {
+ if ([lines count] < 2) {
+ //We have a protocol error
+ }
+ if ([responseAction isEqualToString:@"UPTODATE"] || (([responseAction length] > 5) && [[responseAction substringToIndex:5] isEqualToString:@"UPDATE"])) {
+ if ([lines count] >= 4) {
+ _md5Challenge = [[lines objectAtIndex:1] retain];
+ _postURL = [[NSURL alloc] initWithString:[lines objectAtIndex:2]];
+ _handshakeCompleted = YES;
+ [[NSNotificationCenter defaultCenter] postNotificationName:@"AudioscrobblerHandshakeComplete" object:self];
+ } else {
+ //We have a protocol error
+ }
+ } else if (([responseAction length] > 5) && [[responseAction substringToIndex:5] isEqualToString:@"FAILED"]) {
+ //We have a error
+ } else if ([responseAction isEqualToString:@"BADUSER"]) {
+ //We have a bad user
+ } else {
+ //We have a protocol error
+ }
+ } else if (_currentStatus == AudioscrobblerSubmittingTracksStatus) {
+ if ([responseAction isEqualToString:@"OK"]) {
+ [_tracks removeObjectsInArray:_submitTracks];
+ [_submitTracks removeAllObjects];
+ } else if ([responseAction isEqualToString:@"BADAUTH"]) {
+ //Bad auth
+ } else if (([responseAction length] > 5) && [[responseAction substringToIndex:5] isEqualToString:@"FAILED"]) {
+ //Failed
+ }
+ }
+
+ //Handle the final INTERVAL response
+ if (([[lines objectAtIndex:[lines count] - 2] length] > 9) && [[[lines objectAtIndex:[lines count] - 2] substringToIndex:8] isEqualToString:@"INTERVAL"]) {
+ int seconds = [[[lines objectAtIndex:[lines count] - 2] substringFromIndex:9] intValue];
+ ITDebugLog(@"Audioscrobbler: INTERVAL %i", seconds);
+ [_delayDate release];
+ _delayDate = [[NSDate dateWithTimeIntervalSinceNow:seconds] retain];
+ } else {
+ ITDebugLog(@"No interval response.");
+ //We have a protocol error
+ }
+
[string release];
+ [_responseData release];
}
@end
git.ithinksw.org / MenuTunes.git / blobdiff