Http and https access code in ios

Recently, I started to use the HTTP protocol to implement interaction between the client and the server. Later I needed to change it to the HTTPS protocol. Some problems were found during the modification. The solution is as follows:

The code is as follows:

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HTTP: NSString * urlString = [NSString stringWithFormat: @ "https: // 127.0.0.1/default. aspx? USER = % @ ", @" 111 "];     NSMutableURLRequest * request = [[NSMutableURLRequest alloc] init] autorelease]; [Request setURL: [NSURL URLWithString: urlString]; [Request setHTTPMethod: @ "GET"];     NSHTTPURLResponse * urlResponse = nil; NSError * error = [[NSError alloc] init]; NSData * responseData = [NSURLConnection sendSynchronousRequest: request returningResponse: & urlResponse error: & error]; NSMutableString * result = [[NSMutableString alloc] initWithData: responseData encoding: NSUTF8StringEncoding];     NSLog (@ "The result string is: % @", result );   HTTPS

Event triggering

The code is as follows:	Copy code
{ NSString * urlString = [NSString stringWithFormat: @ "https: // 127.0.0.1/default. aspx? USER = % @ ", @" 111 "]; NSMutableURLRequest * request = [[NSMutableURLRequest alloc] initWithURL: [NSURL URLWithString: urlString] cachePolicy: NSURLRequestReloadIgnoringLocalCacheData timeoutInterval: 5];

// Set the request method to get

The code is as follows:

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[Request setHTTPMethod: @ "GET"]; // Add the user session id [Request addValue: @ "text/html" forHTTPHeaderField: @ "Content-Type"]; // Connection sends the request Finished = false; NSURLConnection * conn = [[NSURLConnection alloc] initWithRequest: request delegate: self]; // Clog the thread and wait for the end While (! Finished ){ [[Nsunloop currentRunLoop] runMode: NSDefaultRunLoopMode beforeDate: [NSDate distantFuture]; } }   -(Void) connection :( NSURLConnection *) connection didReceiveResponse :( NSURLResponse *) response {}   -(Void) connectionDidFinishLoading :( NSURLConnection *) connection { // [_ WaitingDialog dismissWithClickedButtonIndex: 0 animated: NO]; [Connection release]; } -(Void) connection :( NSURLConnection *) connection didFailWithError :( NSError *) error { } -(BOOL) connectionShouldUseCredentialStorage :( NSURLConnection *) connection { Return NO; } // The following two sections are important. Server-side individual HTTPS verification is required, and the iOS client ignores certificate verification. -(BOOL) connection :( NSURLConnection *) connection canAuthenticateAgainstProtectionSpace :( NSURLProtectionSpace *) protectionSpace { Return [protectionSpace. authenticationMethod isinclutostring: NSURLAuthenticationMethodServerTrust]; } -(Void) connection :( NSURLConnection *) connection didReceiveAuthenticationChallenge :( NSURLAuthenticationChallenge *) challenge { NSLog (@ "didReceiveAuthenticationChallenge % @ % zd", [[challenge protectionSpace] authenticationMethod], (ssize_t) [challenge previusfailurecount]);     If ([challenge. protectionSpace. authenticationMethod isinclutostring: NSURLAuthenticationMethodServerTrust]) { [[Challenge sender] useCredential: [NSURLCredential credentialForTrust: challenge. protectionSpace. serverTrust] forAuthenticationChallenge: challenge]; [[Challenge sender] continueWithoutCredentialForAuthenticationChallenge: challenge];     } } NSLog (@ "get the whole response "); // [ReceivedData setLength: 0]; } // Process data -(Void) connection :( NSURLConnection *) connection didReceiveData :( NSData *) data { }