Submissions work now. Committing before I break something by adding queues.

[MenuTunes.git] / AudioscrobblerController.m

diff --git a/AudioscrobblerController.m b/AudioscrobblerController.m
index 695c684..8d65de3 100644 (file)
--- a/AudioscrobblerController.m
+++ b/AudioscrobblerController.m
@@ -12,6 +12,7 @@
  */
 
 #import "AudioscrobblerController.h"
+#import <openssl/evp.h>
 
 static AudioscrobblerController *_sharedController = nil;
 
@@ -19,7 +20,9 @@ static AudioscrobblerController *_sharedController = nil;
 
 + (void)load
 {
-       //[[AudioscrobblerController sharedController] attemptHandshake];
+       NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
+       [[AudioscrobblerController sharedController] submitTrack:@"Stairway To Heaven" artist:@"Led Zeppelin" album:@"Led Zeppelin IV" length:483];
+       [pool release];
 }
 
 + (AudioscrobblerController *)sharedController
@@ -35,12 +38,17 @@ static AudioscrobblerController *_sharedController = nil;
        if ( (self = [super init]) ) {
                _handshakeCompleted = NO;
                _responseData = nil;
+               _md5Challenge = nil;
+               _postURL = nil;
+               [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleAudioscrobblerNotification:) name:nil object:self];
        }
        return self;
 }
 
 - (void)dealloc
 {
+       [_md5Challenge release];
+       [_postURL release];
        [_responseData release];
        [super dealloc];
 }
@@ -48,13 +56,12 @@ static AudioscrobblerController *_sharedController = nil;
 - (void)attemptHandshake
 {
        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]];
+       NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://post.audioscrobbler.com/?hs=true&p=1.1&c=tst&v=%@&u=%@", version, user]];
        NSURLConnection *connection;
        
+       _currentStatus = AudioscrobblerRequestingHandshakeStatus;
        _responseData = [[NSMutableData alloc] init];
-       connection = [NSURLConnection connectionWithRequest:[NSURLRequest requestWithURL:url] delegate:self];
-       
-       _handshakeCompleted = YES;
+       connection = [NSURLConnection connectionWithRequest:[NSURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:30] delegate:self];
 }
 
 - (BOOL)handshakeCompleted
@@ -62,6 +69,62 @@ static AudioscrobblerController *_sharedController = nil;
        return _handshakeCompleted;
 }
 
+- (void)submitTrack:(NSString *)title artist:(NSString *)artist album:(NSString *)album length:(int)length
+{
+       if (!_handshakeCompleted) {
+               [self attemptHandshake];
+               return;
+       }
+       
+       //What we eventually want is a submission list that sends backlogs also
+       NSMutableURLRequest *request = [[NSURLRequest requestWithURL:_postURL cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:30] mutableCopy];
+       NSString *responseHash = @"", *requestBody;
+       
+       char *pass = "waffles";
+       unsigned char *buffer;
+       EVP_MD_CTX ctx;
+       int i;
+       
+       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);
+       
+       requestBody = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)[NSString stringWithFormat:@"u=%@&s=%@&a[0]=%@&t[0]=%@&b[0]=%@&m[0]=&l[0]=%i&i[0]=%@", @"Tristrex", responseHash, artist, title, album, length, [[NSDate date] descriptionWithCalendarFormat:@"%Y-%m-%d %H:%M:%S" timeZone:nil locale:nil]], NULL, NULL, kCFStringEncodingUTF8);
+       [request setHTTPMethod:@"POST"];
+       [request setHTTPBody:[requestBody dataUsingEncoding:NSUTF8StringEncoding]];
+       _currentStatus = AudioscrobblerSubmittingTrackStatus;
+       _responseData = [[NSMutableData alloc] init];
+       [NSURLConnection connectionWithRequest:request delegate:self];
+       CFRelease(requestBody);
+       [request release];
+}
+
+- (void)handleAudioscrobblerNotification:(NSNotification *)note
+{
+       if ([[note name] isEqualToString:@"AudioscrobblerHandshakeComplete"]) {
+               [[AudioscrobblerController sharedController] submitTrack:@"Good Times Bad Times" artist:@"Led Zeppelin" album:@"Led Zeppelin I" length:166];
+       }
+}
+
 #pragma mark -
 
 - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
@@ -77,7 +140,37 @@ static AudioscrobblerController *_sharedController = nil;
 - (void)connectionDidFinishLoading:(NSURLConnection *)connection
 {
        NSString *string = [[NSString alloc] initWithData:_responseData encoding:NSASCIIStringEncoding];
-       NSLog(@"Rawr: %@", string);
+       
+       if (_currentStatus == AudioscrobblerRequestingHandshakeStatus) {
+               NSArray *lines = [string componentsSeparatedByString:@"\n"];
+               NSString *responseAction;
+               if ([lines count] < 2) {
+                       //We have an error
+               }
+               responseAction = [lines objectAtIndex:0];
+               if ([responseAction isEqualToString:@"UPTODATE"]) {
+                       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 an error
+                       }
+                       //Something
+               } else if (([responseAction length] > 6) && [[responseAction substringToIndex:5] isEqualToString:@"UPDATE"]) {
+                       //Something plus update action
+               } else if (([responseAction length] > 6) && [[responseAction substringToIndex:5] isEqualToString:@"FAILED"]) {
+                       //We have an error
+               } else if ([responseAction isEqualToString:@"BADUSER"]) {
+                       //We have an error
+               } else {
+                       //We have an error
+               }
+       } else if (_currentStatus == AudioscrobblerSubmittingTrackStatus) {
+               NSLog(string);
+       }
+       
        [string release];
 }