Getting certificate error in Uploading image with https Amazon AWS - objective-c

Question

I am facing an issue while uploading image in Amazon AWS. Here is my code:
import UIKit
protocol ContentUploaderDelegate {
func onContentLoadComplete(status:Bool,serverResponse:String)
}
class ContentUploader
{
let contentURL = "https:<MY URL>amazonaws.com/api/v1/contents"
var delegate:ContentUploaderDelegate?
func uploadImage(image:UIImage,xAuth:String,mimeType:String,imageName:String)
{
let url = NSURL(string: contentURL)
let request = NSMutableURLRequest(URL: url!)
request.HTTPMethod = "POST"
let boundary = generateBoundaryString()
//define the multipart request type
request.setValue("multipart/form-data; boundary=\(boundary)", forHTTPHeaderField: "Content-Type")
request.setValue(xAuth, forHTTPHeaderField: "x-auth-token")
request.setValue("application/json", forHTTPHeaderField: "accept")
let image_data = UIImageJPEGRepresentation(image, 1.0)
if(image_data == nil)
{
return
}
let body = NSMutableData()
//name to save in server
let fname = imageName
let mimetype = mimeType
//define the data post parameter
body.appendData("--\(boundary)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData("Content-Disposition:form-data; name=\"test\"\r\n\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData("hi\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData("--\(boundary)\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData("Content-Disposition:form-data; name=\"files\"; filename=\"\(fname)\"\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData("Content-Type: \(mimetype)\r\n\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData(image_data!)
body.appendData("\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
body.appendData("--\(boundary)--\r\n".dataUsingEncoding(NSUTF8StringEncoding)!)
//set the HTTPBody
request.HTTPBody = body
let session = NSURLSession.sharedSession()
let task = session.dataTaskWithRequest(request) {
(
let data, let response, let error) in
guard let _:NSData = data, let _:NSURLResponse = response where error == nil else {
print("error")
self.delegate?.onContentLoadComplete(false, serverResponse: (error?.description)!)
return
}
let dataString = NSString(data: data!, encoding: NSUTF8StringEncoding)
print("success \(dataString)")
self.delegate?.onContentLoadComplete(true, serverResponse:dataString! as String)
}
task.resume()
}
private func generateBoundaryString() -> String
{
return "Boundary-\(NSUUID().UUIDString)"
}
The following delegate method never gets called. What could be the reason?
func URLSession(session: NSURLSession,
task: NSURLSessionTask,
didReceiveChallenge challenge: NSURLAuthenticationChallenge,
completionHandler: (NSURLSessionAuthChallengeDisposition, NSURLCredential?)
-> Void) {
let protectionSpace = challenge.protectionSpace
let theSender = challenge.sender
if protectionSpace.authenticationMethod == NSURLAuthenticationMethodServerTrust {
if (challenge.protectionSpace.host == "ec2-52-36-216-81.us-west-2.compute.amazonaws.com") {
if let theTrust = protectionSpace.serverTrust{
let theCredential = NSURLCredential(trust: theTrust)
theSender!.useCredential(theCredential, forAuthenticationChallenge: challenge)
return
}
}
}
theSender!.performDefaultHandlingForAuthenticationChallenge!(challenge)
return
}
}
And I am getting the following error. Any idea why getting this error?
Error Domain=NSURLErrorDomain Code=-1202 "The certificate for this
server is invalid. You might be connecting to a server that is
pretending to be “.amazonaws.com” which could put your
confidential information at risk."
UserInfo={NSURLErrorFailingURLPeerTrustErrorKey=, NSLocalizedRecoverySuggestion=Would you like to
connect to the server anyway?, _kCFStreamErrorDomainKey=3,
_kCFStreamErrorCodeKey=-9813, NSErrorPeerCertificateChainKey={type = immutable, count = 1, values = (
0 : .com i: www..com> )}, NSUnderlyingError=0x7f9d42aedc10 {Error
Domain=kCFErrorDomainCFNetwork Code=-1202 "(null)"
UserInfo={_kCFStreamPropertySSLClientCertificateState=0,
kCFStreamPropertySSLPeerTrust=,
_kCFNetworkCFStreamSSLErrorOriginalValue=-9813, _kCFStreamErrorDomainKey=3, _kCFStreamErrorCodeKey=-9813, kCFStreamPropertySSLPeerCertificates={type = immutable, count = 1, values = (
0 : .com i: www..com> )}}}, NSLocalizedDescription=The certificate for this server is
invalid. You might be connecting to a server that is pretending to be
“.amazonaws.com” which could put your confidential information
at risk., NSErrorFailingURLKey=https://amazonaws.com/api/v1/contents,
NSErrorFailingURLStringKey=https://.amazonaws.com/api/v1/contents,
NSErrorClientCertificateStateKey=0}

Answer 1

Error Domain=NSURLErrorDomain Code=-1202 "The certificate for this server is invalid. You might be connecting to a server that is pretending to be “.amazonaws.com”
I believe something is wrong with the common name “.amazonaws.com”
NSErrorFailingURLKey=https://amazonaws.com/api/v1/contents,
NSErrorFailingURLStringKey=https://.amazonaws.com/api/v1/contents
The URLs shown in the error message do not appear to be a well know endpoint. I would expect to see something like https://ec2-2-2-2-2.compute-1.amazonaws.com or another Fully Qualified Domain name there.
The error message also confirms this. You are connecting a host, but the name on the certificate does not match. This is the reason for the pretending to be “.amazonaws.com” error.
Confirm the correct endpoint, and how your code is forming the full URL.
The following delegate method never gets called. What could be the
reason?
The error occurs before the function is called. The session is never established because of the certificate error.