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Handshake is attempted at launch and when the username is changed. Lowered timeout...
[MenuTunes.git] / AudioscrobblerController.m
diff --git a/AudioscrobblerController.m b/AudioscrobblerController.m
index 113e4b7..6206ad8 100644 (file)
--- a/AudioscrobblerController.m
+++ b/AudioscrobblerController.m
@@ -12,18 +12,25 @@
  */
 
 #import "AudioscrobblerController.h"
  */
 
 #import "AudioscrobblerController.h"
+#import "PreferencesController.h"
 #import <openssl/evp.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
 
 
 static AudioscrobblerController *_sharedController = nil;
 
 @implementation AudioscrobblerController
 
-+ (void)load
+/*+ (void)load
 {
        NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
 {
        NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
-       [[AudioscrobblerController sharedController] submitTrack:@"Stairway To Heaven" artist:@"Led Zeppelin" album:@"Led Zeppelin IV" length:483];
+       [[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];
        [pool release];
-}
+}*/
 
 + (AudioscrobblerController *)sharedController
 {
 
 + (AudioscrobblerController *)sharedController
 {
@@ -37,14 +44,16 @@ static AudioscrobblerController *_sharedController = nil;
 {
        if ( (self = [super init]) ) {
                _handshakeCompleted = NO;
 {
        if ( (self = [super init]) ) {
                _handshakeCompleted = NO;
-               _responseData = nil;
                _md5Challenge = nil;
                _postURL = nil;
                
                _md5Challenge = nil;
                _postURL = nil;
                
-               //Test variables
-               _md5Challenge = @"315EFDA9FDA6A24B421BE991511DEE90";
-               _postURL = [[NSURL alloc] initWithString:@"http://62.216.251.205:80/protocol_1.1"];
-               _handshakeCompleted = YES;
+               /*_handshakeCompleted = YES;
+               _md5Challenge = @"rawr";
+               _postURL = [NSURL URLWithString:@"http://audioscrobbler.com/"];*/
+               
+               _delayDate = nil;
+               _responseData = nil;
+               _tracks = [[NSMutableArray alloc] init];
                [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleAudioscrobblerNotification:) name:nil object:self];
        }
        return self;
                [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleAudioscrobblerNotification:) name:nil object:self];
        }
        return self;
@@ -55,18 +64,32 @@ static AudioscrobblerController *_sharedController = nil;
        [_md5Challenge release];
        [_postURL release];
        [_responseData release];
        [_md5Challenge release];
        [_postURL release];
        [_responseData release];
+       [_tracks release];
        [super dealloc];
 }
 
        [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=tst&v=%@&u=%@", version, user]];
-       NSURLConnection *connection;
+       if (_handshakeCompleted && !force) {
+               return;
+       }
        
        
-       _currentStatus = AudioscrobblerRequestingHandshakeStatus;
-       _responseData = [[NSMutableData alloc] init];
-       connection = [NSURLConnection connectionWithRequest:[NSURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:30] 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;
+       }
+       
+       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
 }
 
 - (BOOL)handshakeCompleted
@@ -75,87 +98,114 @@ static AudioscrobblerController *_sharedController = nil;
 }
 
 - (void)submitTrack:(NSString *)title artist:(NSString *)artist album:(NSString *)album length:(int)length
 }
 
 - (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) {
 {
        if (!_handshakeCompleted) {
-               [self attemptHandshake];
+               [self attemptHandshake:NO];
                return;
        }
        
                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;
+       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;
+       }
        
        
-       char *pass = "waffles";
-       unsigned char *buffer, *buffer2, buffer3[16];
-       EVP_MD_CTX ctx;
        int i;
        int i;
+       NSMutableString *requestString;
+       NSString *authString, *responseHash = @"";
+       unsigned char *buffer;
+       EVP_MD_CTX ctx;
        
        
-       buffer = malloc(EVP_MD_size(EVP_md5()));
-       //buffer3 = malloc(EVP_MD_size(EVP_md5()));
+       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_DigestInit(&ctx, EVP_md5());
        EVP_DigestUpdate(&ctx, pass, strlen(pass));
-       EVP_DigestUpdate(&ctx, [_md5Challenge UTF8String], strlen([_md5Challenge UTF8String]));
        EVP_DigestFinal(&ctx, buffer, NULL);
        
        for (i = 0; i < 16; i++) {
        EVP_DigestFinal(&ctx, buffer, NULL);
        
        for (i = 0; i < 16; i++) {
-               char hex1, hex2;
-               hex1 = toascii(48+ (buffer[i] / 16));
-               if (hex1 > 57) {
-                       hex1 = hex1 + 39;
-               }
-               hex2 = toascii(48 + (buffer[i] % 16));
-               if (hex2 > 57) {
-                       hex2 = hex2 + 39;
-               }
-               
-               buffer3[i] = hex1;
-               buffer3[i + 1] = hex2;
+               responseHash = [responseHash stringByAppendingFormat:@"%0.2x", buffer[i]];
        }
        
        }
        
-       NSLog(@"%s", buffer3);
-       
-       /*unsigned char *cat = strcat(buffer3, [[_md5Challenge lowercaseString] UTF8String]);
-       
+       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_DigestInit(&ctx, EVP_md5());
        EVP_DigestUpdate(&ctx, cat, strlen(cat));
-       EVP_DigestFinal(&ctx, buffer2, NULL);
+       EVP_DigestFinal(&ctx, buffer, NULL);
        
        
+       responseHash = @"";
        for (i = 0; i < 16; i++) {
        for (i = 0; i < 16; i++) {
-               char hex1, hex2;
-               hex1 = toascii(48+ (buffer2[i] / 16));
-               if (hex1 > 57) {
-                       hex1 = hex1 + 39;
-               }
-               hex2 = toascii(48 + (buffer2[i] % 16));
-               if (hex2 > 57) {
-                       hex2 = hex2 + 39;
-               }
-               buffer3[i] = hex1;
-               buffer3[i + 1] = hex2;
+               responseHash = [responseHash stringByAppendingFormat:@"%0.2x", buffer[i]];
        }
        }
-       NSLog(@"%s", buffer3);*/
+       free(buffer);
        
        
-       if ([NSString respondsToSelector:@selector(stringWithCString:encoding:)]) {
-               responseHash = [NSString stringWithCString:buffer3 encoding:NSASCIIStringEncoding];
-       } else {
-               responseHash = [NSString stringWithCString:buffer3 length:strlen(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];
        }
        
        }
        
-       requestBody = [NSString stringWithFormat:@"u=%@&s=%@&a[0]=%@&t[0]=%@&b[0]=%@&m[0]=&l[0]=%i&i[0]=%@", @"Tristrex", @"rawr", responseHash, title, album, length, [[NSDate date] descriptionWithCalendarFormat:@"%Y-%m-%d %H:%M:%S" timeZone:nil locale:nil]];
+       //Create and send the request
+       NSMutableURLRequest *request = [[NSURLRequest requestWithURL:_postURL cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:15] mutableCopy];
        [request setHTTPMethod:@"POST"];
        [request setHTTPMethod:@"POST"];
-       [request setHTTPBody:[requestBody dataUsingEncoding:NSUTF8StringEncoding]];
-       
-       _currentStatus = AudioscrobblerSubmittingTrackStatus;
+       [request setHTTPBody:[requestString dataUsingEncoding:NSUTF8StringEncoding]];
+       _currentStatus = AudioscrobblerSubmittingTracksStatus;
        _responseData = [[NSMutableData alloc] init];
        [NSURLConnection connectionWithRequest:request delegate:self];
        _responseData = [[NSMutableData alloc] init];
        [NSURLConnection connectionWithRequest:request delegate:self];
+       [requestString release];
        [request release];
        [request release];
+       
+       //If we have tracks left, submit again after the interval seconds
 }
 
 - (void)handleAudioscrobblerNotification:(NSNotification *)note
 {
        if ([[note name] isEqualToString:@"AudioscrobblerHandshakeComplete"]) {
 }
 
 - (void)handleAudioscrobblerNotification:(NSNotification *)note
 {
        if ([[note name] isEqualToString:@"AudioscrobblerHandshakeComplete"]) {
-               [[AudioscrobblerController sharedController] submitTrack:@"Stairway To Heaven" artist:@"Led Zeppelin" album:@"Led Zeppelin IV" length:483];
+               if ([_tracks count] > 0) {
+                       [self performSelector:@selector(submitTracks) withObject:nil afterDelay:2];
+               }
        }
 }
 
        }
 }
 
@@ -163,7 +213,7 @@ static AudioscrobblerController *_sharedController = nil;
 
 - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
 {
 
 - (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)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
@@ -174,39 +224,55 @@ static AudioscrobblerController *_sharedController = nil;
 - (void)connectionDidFinishLoading:(NSURLConnection *)connection
 {
        NSString *string = [[NSString alloc] initWithData:_responseData encoding:NSASCIIStringEncoding];
 - (void)connectionDidFinishLoading:(NSURLConnection *)connection
 {
        NSString *string = [[NSString alloc] initWithData:_responseData encoding:NSASCIIStringEncoding];
+       NSArray *lines = [string componentsSeparatedByString:@"\n"];
+       NSString *responseAction = nil;
+       
+       if ([lines count] > 0) {
+               responseAction = [lines objectAtIndex:0];
+       }
        
        if (_currentStatus == AudioscrobblerRequestingHandshakeStatus) {
        
        if (_currentStatus == AudioscrobblerRequestingHandshakeStatus) {
-               NSArray *lines = [string componentsSeparatedByString:@"\n"];
-               NSString *responseAction;
                if ([lines count] < 2) {
                if ([lines count] < 2) {
-                       //We have an error
+                       //We have a protocol error
                }
                }
-               responseAction = [lines objectAtIndex:0];
-               if ([responseAction isEqualToString:@"UPTODATE"]) {
+               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;
                        if ([lines count] >= 4) {
                                _md5Challenge = [[lines objectAtIndex:1] retain];
                                _postURL = [[NSURL alloc] initWithString:[lines objectAtIndex:2]];
                                _handshakeCompleted = YES;
-                               NSLog(@"%@", _md5Challenge);
                                [[NSNotificationCenter defaultCenter] postNotificationName:@"AudioscrobblerHandshakeComplete" object:self];
                        } else {
                                [[NSNotificationCenter defaultCenter] postNotificationName:@"AudioscrobblerHandshakeComplete" object:self];
                        } else {
-                               //We have an error
+                               //We have a protocol 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 length] > 5) && [[responseAction substringToIndex:5] isEqualToString:@"FAILED"]) {
+                       //We have a error
                } else if ([responseAction isEqualToString:@"BADUSER"]) {
                } else if ([responseAction isEqualToString:@"BADUSER"]) {
-                       //We have an error
+                       //We have a bad user
                } else {
                } else {
-                       //We have an error
+                       //We have a protocol error
+               }
+       } else if (_currentStatus == AudioscrobblerSubmittingTracksStatus) {
+               if ([responseAction isEqualToString:@"OK"]) {
+               } else if ([responseAction isEqualToString:@"BADAUTH"]) {
+                       //Bad auth
+               } else if (([responseAction length] > 5) && [[responseAction substringToIndex:5] isEqualToString:@"FAILED"]) {
+                       //Failed
                }
                }
-       } else if (_currentStatus == AudioscrobblerSubmittingTrackStatus) {
-               NSLog(string);
+       }
+       
+       //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];
        }
        
        [string release];
+       [_responseData release];
 }
 
 @end
 }
 
 @end
Menu-based iTunes controller.