Using the universal libValidate. Fixed a small Audioscrobbler crash that could happen...
[MenuTunes.git] / AudioscrobblerController.m
index 29c8ecf..05a3a07 100644 (file)
 #import <openssl/evp.h>
 #import <ITFoundation/ITDebug.h>
 
-#define AUDIOSCROBBLER_ID @"tst"
+#define AUDIOSCROBBLER_ID @"mtu"
 #define AUDIOSCROBBLER_VERSION [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"]
 
 static AudioscrobblerController *_sharedController = nil;
 
 @implementation AudioscrobblerController
 
-/*+ (void)load
-{
-       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 (!_sharedController) {
@@ -52,16 +43,17 @@ static AudioscrobblerController *_sharedController = nil;
                _postURL = [NSURL URLWithString:@"http://audioscrobbler.com/"];*/
                
                _delayDate = [[NSDate date] retain];
-               _responseData = nil;
+               _responseData = [[NSMutableData alloc] init];
                _tracks = [[NSMutableArray alloc] init];
                _submitTracks = [[NSMutableArray alloc] init];
-               [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleAudioscrobblerNotification:) name:nil object:self];
+               [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handleAudioscrobblerNotification:) name:@"AudioscrobblerHandshakeComplete" object:self];
        }
        return self;
 }
 
 - (void)dealloc
 {
+       [_lastStatus release];
        [_md5Challenge release];
        [_postURL release];
        [_responseData release];
@@ -71,6 +63,11 @@ static AudioscrobblerController *_sharedController = nil;
        [super dealloc];
 }
 
+- (NSString *)lastStatus
+{
+       return _lastStatus;
+}
+
 - (void)attemptHandshake
 {
        [self attemptHandshake:NO];
@@ -94,8 +91,12 @@ static AudioscrobblerController *_sharedController = nil;
        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]];
                
+               [_lastStatus release];
+               _lastStatus = [NSLocalizedString(@"audioscrobbler_handshaking", @"Attempting to handshake with server") retain];
+               [[NSNotificationCenter defaultCenter] postNotificationName:@"AudioscrobblerStatusChanged" object:nil userInfo:[NSDictionary dictionaryWithObject:_lastStatus forKey:@"StatusString"]];
+               
                _currentStatus = AudioscrobblerRequestingHandshakeStatus;
-               _responseData = [[NSMutableData alloc] init];
+               //_responseData = [[NSMutableData alloc] init];
                [NSURLConnection connectionWithRequest:[NSURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:15] delegate:self];
        }
 }
@@ -188,35 +189,58 @@ static AudioscrobblerController *_sharedController = nil;
        //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;
+               NSString *artistEscaped, *titleEscaped, *albumEscaped, *timeEscaped, *ampersand = @"&";
+               
+               //Escape each of the individual parameters we're sending
+               artistEscaped = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)[nextTrack objectForKey:@"artist"], NULL, (CFStringRef)ampersand, kCFStringEncodingUTF8);
+               titleEscaped = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)[nextTrack objectForKey:@"title"], NULL, (CFStringRef)ampersand, kCFStringEncodingUTF8);
+               albumEscaped = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)[nextTrack objectForKey:@"album"], NULL, (CFStringRef)ampersand, kCFStringEncodingUTF8);
+               timeEscaped = (NSString *)CFURLCreateStringByAddingPercentEscapes(NULL, (CFStringRef)[nextTrack objectForKey:@"time"], NULL, (CFStringRef)ampersand, kCFStringEncodingUTF8);
+               
+               [requestString appendString:[NSString stringWithFormat:@"&a[%i]=%@&t[%i]=%@&b[%i]=%@&m[%i]=&l[%i]=%@&i[%i]=%@", i, artistEscaped,
+                                                                                                                                                                                                                                               i, titleEscaped,
+                                                                                                                                                                                                                                               i, albumEscaped,
+                                                                                                                                                                                                                                               i,
+                                                                                                                                                                                                                                               i, [nextTrack objectForKey:@"length"],
+                                                                                                                                                                                                                                               i, timeEscaped]];
+               
+               //Release the escaped strings
+               [artistEscaped release];
+               [titleEscaped release];
+               [albumEscaped release];
+               [timeEscaped release];
                
-               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];
        }
        
        ITDebugLog(@"Audioscrobbler: Sending track submission request");
+       [_lastStatus release];
+       _lastStatus = [NSLocalizedString(@"audioscrobbler_submitting", @"Submitting tracks to server") retain];
+       [[NSNotificationCenter defaultCenter] postNotificationName:@"AudioscrobblerStatusChanged" object:nil userInfo:[NSDictionary dictionaryWithObject:_lastStatus forKey:@"StatusString"]];
        
        //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];
+       //_responseData = [[NSMutableData alloc] init];
+       [_responseData setData:nil];
        [NSURLConnection connectionWithRequest:request delegate:self];
        [requestString release];
        [request release];
        
+       //For now we're not going to cache results, as it is less of a headache
+       //[_tracks removeObjectsInArray:_submitTracks];
+       [_tracks removeAllObjects];
+       [_submitTracks removeAllObjects];
+       
        //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];
-               }
+       if ([_tracks count] > 0) {
+               [self performSelector:@selector(submitTracks) withObject:nil afterDelay:2];
        }
 }
 
@@ -224,6 +248,10 @@ static AudioscrobblerController *_sharedController = nil;
 
 - (void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
 {
+       [_responseData setData:nil];
+       [_lastStatus release];
+       _lastStatus = [[NSString stringWithFormat:NSLocalizedString(@"audioscrobbler_error", @"Error - %@"), [error localizedDescription]] retain];
+       [[NSNotificationCenter defaultCenter] postNotificationName:@"AudioscrobblerStatusChanged" object:self userInfo:[NSDictionary dictionaryWithObject:_lastStatus forKey:@"StatusString"]];
        ITDebugLog(@"Audioscrobbler: Connection error \"%@\"", error);
 }
 
@@ -236,7 +264,7 @@ static AudioscrobblerController *_sharedController = nil;
 {
        NSString *string = [[NSString alloc] initWithData:_responseData encoding:NSASCIIStringEncoding];
        NSArray *lines = [string componentsSeparatedByString:@"\n"];
-       NSString *responseAction = nil;
+       NSString *responseAction = nil, *key = nil, *comment = nil;
        
        if ([lines count] > 0) {
                responseAction = [lines objectAtIndex:0];
@@ -252,33 +280,47 @@ static AudioscrobblerController *_sharedController = nil;
                                _postURL = [[NSURL alloc] initWithString:[lines objectAtIndex:2]];
                                _handshakeCompleted = YES;
                                [[NSNotificationCenter defaultCenter] postNotificationName:@"AudioscrobblerHandshakeComplete" object:self];
+                               key = @"audioscrobbler_handshake_complete";
+                               comment = @"Handshake complete";
                        } else {
                                //We have a protocol error
                        }
                } else if (([responseAction length] > 5) && [[responseAction substringToIndex:5] isEqualToString:@"FAILED"]) {
                        ITDebugLog(@"Audioscrobbler: Handshake failed (%@)", [responseAction substringFromIndex:6]);
+                       key = @"audioscrobbler_handshake_failed";
+                       comment = @"Handshake failed";
                        //We have a error
                } else if ([responseAction isEqualToString:@"BADUSER"]) {
                        ITDebugLog(@"Audioscrobbler: Bad user name");
+                       key = @"audioscrobbler_bad_user";
+                       comment = @"Handshake failed - invalid user name";
                        //We have a bad user
                } else {
                        ITDebugLog(@"Audioscrobbler: Handshake failed, protocol error");
+                       key = @"audioscrobbler_protocol_error";
+                       comment = @"Internal protocol error";
                        //We have a protocol error
                }
        } else if (_currentStatus == AudioscrobblerSubmittingTracksStatus) {
                if ([responseAction isEqualToString:@"OK"]) {
                        ITDebugLog(@"Audioscrobbler: Submission successful, clearing queue.");
-                       [_tracks removeObjectsInArray:_submitTracks];
-                       [_submitTracks removeAllObjects];
+                       /*[_tracks removeObjectsInArray:_submitTracks];
+                       [_submitTracks removeAllObjects];*/
                        if ([_tracks count] > 0) {
                                ITDebugLog(@"Audioscrobbler: Tracks remaining in queue, submitting remaining tracks");
                                [self performSelector:@selector(submitTracks) withObject:nil afterDelay:2];
                        }
+                       key = @"audioscrobbler_submission_ok";
+                       comment = @"Last track submission successful";
                } else if ([responseAction isEqualToString:@"BADAUTH"]) {
                        ITDebugLog(@"Audioscrobbler: Bad password");
+                       key = @"audioscrobbler_bad_password";
+                       comment = @"Last track submission failed - invalid password";
                        //Bad auth
                } else if (([responseAction length] > 5) && [[responseAction substringToIndex:5] isEqualToString:@"FAILED"]) {
                        ITDebugLog(@"Audioscrobbler: Submission failed (%@)", [responseAction substringFromIndex:6]);
+                       key = @"audioscrobbler_submission_failed";
+                       comment = @"Last track submission failed - see console for error";
                        //Failed
                }
        }
@@ -293,9 +335,17 @@ static AudioscrobblerController *_sharedController = nil;
                ITDebugLog(@"No interval response.");
                //We have a protocol error
        }
-       
+       [_lastStatus release];
+       _lastStatus = [NSLocalizedString(key, comment) retain];
+       [[NSNotificationCenter defaultCenter] postNotificationName:@"AudioscrobblerStatusChanged" object:nil userInfo:[NSDictionary dictionaryWithObject:_lastStatus forKey:@"StatusString"]];
        [string release];
-       [_responseData release];
+       [_responseData setData:nil];
+}
+
+-(NSCachedURLResponse *)connection:(NSURLConnection *)connection willCacheResponse:(NSCachedURLResponse *)cachedResponse
+{
+       //Don't cache any Audioscrobbler communication
+       return nil;
 }
 
 @end