Hello.
I'm using a very simple code snippet to upload a small file to my
MobileMe iDisk. The problem is that it perfectly works with iPhone OS
2.2.1, but fails on 3.0. Now I'm trying to figure out whether that's a
bug in iPhone OS 3.0, or I am doing something wrong and 2.2.1 is just
more tolerant to my mistakes than 3.0.
Here is my code.
static NSString* kMobileMeUserName = ...;
static NSString* kMobileMePassword = ...;
- (void)upload
{
NSString* tmpFolderPath = [NSHomeDirectory()
stringByAppendingPathComponent: @"tmp"];
NSString* filePath = [tmpFolderPath stringByAppendingPathComponent:
@"test.txt"];
NSString* str = @"1234567890";
[str writeToFile: filePath atomically: NO encoding:
NSUTF8StringEncoding error: NULL];
NSURL* url = [NSURL URLWithString: [NSString stringWithFormat: @"https://idisk.me.com/
%@/Documents/test.txt", kMobileMeUserName]];
NSMutableURLRequest* request = [NSMutableURLRequest requestWithURL:
url];
[request setHTTPMethod: @"PUT"];
NSDictionary* fileAttr = [[NSFileManager defaultManager]
fileAttributesAtPath: filePath traverseLink: YES];
unsigned long long uploadSize = [fileAttr fileSize];
if ( uploadSize > 0 )
{
NSNumber* num = [NSNumber numberWithUnsignedLongLong:
uploadSize];
[request setValue: [num stringValue] forHTTPHeaderField: @"Content-
Length"];
NSInputStream* stream = [NSInputStream inputStreamWithFileAtPath:
filePath];
[request setHTTPBodyStream: stream];
[NSURLConnection connectionWithRequest: request delegate: self];
}
}
In my controller (which is registered as NSURLConnection delegate) I
implement all of NSURLConnection delegate methods and just call NSLog
from them so that I can see in the log how the operation performs. I
return YES for canAuthenticateAgainstProtectionSpace and from
connectionShouldUseCredentialStorage. When I receive authentication
challenge, I act like this:
- (void)connection:(NSURLConnection*)connection
didReceiveAuthenticationChallenge:
(NSURLAuthenticationChallenge*)challenge
{
NSLog(@"didReceiveAuthenticationChallenge");
NSURLCredential* cred = [NSURLCredential credentialWithUser:
kMobileMeUserName
password: kMobileMePassword
persistence: NSURLCredentialPersistenceNone];
[challenge.sender useCredential: cred forAuthenticationChallenge:
challenge];
}
Now, here is what I see in console when I run this code with 2.2.1:
willSendRequest
connectionShouldUseCredentialStorage
didSendBodyData
didReceiveAuthenticationChallenge
didSendBodyData
didReceiveResponse
connectionDidFinishLoading
Everything works all right, and I can find the test.txt file (10 bytes
in size) on my iDisk in the Documents folder.
And this is how the same code runs in 3.0:
willSendRequest
connectionShouldUseCredentialStorage
canAuthenticateAgainstProtectionSpace
didReceiveAuthenticationChallenge
didSendBodyData
canAuthenticateAgainstProtectionSpace
didReceiveAuthenticationChallenge
For some reason I receive authentication challenge for the second
time, and after that no more delegate methods are called. And the
test.txt file never appears on the iDisk. Moreover - I tried deriving
MyURLConnection from NSURLConnection and overriding init... and
dealloc in it; from there, I just call super methods and add NSLog.
This way I could see that the URL connection deallocs after the second
authentication challenge - without having called
connectionDidFinishLoading: or connection:didFailWithError: on the
delegate.
So, has anybody faced the same problem? Does anybody have an idea
concerning what may be going wrong? Should I post a bug report to
radar? Can anyone suggest a workaround?
Any ideas are very welcome! I can send a simple sample project
illustrating the problem on demand to anyone interested.
Best regards,
Sergey.
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