我正在打开 SSL 连接以在 Swift 中检索 JSON，但正在使用自签名证书对我自己的服务器进行测试。以下是 URL 请求的片段：
var urlPath = "https://myhost.com/get_json"
var url: NSURL = NSURL(string: urlPath)
var request: NSURLRequest = NSURLRequest(URL: url)
var connection: NSURLConnection = NSURLConnection(request: request, delegate: self, startImmediately: false)
connection.start()
但是，由于证书的原因，它被（正确地）拒绝：
Opening connection to https://myhost.com/get_json
2014-06-05 09:37:02.543 AppName[44835:3182593] NSURLConnection/CFURLConnection HTTP load failed (kCFStreamErrorDomainSSL, -9813)
Connection failed.The certificate for this server is invalid. You might be connecting to a server that is pretending to be “myhost.com” which could put your confidential information at risk.## Heading ##
您将需要这些附加方法NSURLConnectionDelegate:
func connection(connection: NSURLConnection, canAuthenticateAgainstProtectionSpace protectionSpace: NSURLProtectionSpace?) -> Bool
{
return protectionSpace?.authenticationMethod == NSURLAuthenticationMethodServerTrust
}
func connection(connection: NSURLConnection, didReceiveAuthenticationChallenge challenge: NSURLAuthenticationChallenge?)
{
if challenge?.protectionSpace.authenticationMethod == NSURLAuthenticationMethodServerTrust
{
if challenge?.protectionSpace.host == "www.myhost.com"
{
let credentials = NSURLCredential(forTrust: challenge!.protectionSpace.serverTrust)
challenge!.sender.useCredential(credentials, forAuthenticationChallenge: challenge)
}
}
challenge?.sender.continueWithoutCredentialForAuthenticationChallenge(challenge)
}
NOTE:这仅在使用异步时才可能NSURLConnection.
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