iPhone https连接备忘

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iPhone

第一次用的时候对http连接的使用和api都不熟悉，很多代码都是网上或者书上抄下来的，使用https连接则用了一个私有的API [NSURLRequest setAllowsAnyHTTPSCertificate: forHost:]，结果被拒，后来在网上有其他的解决方案如下：

http://stackoverflow.com/questions/933331/how-to-use-nsurlconnection-to-connect-with-ssl-for-an-untrusted-cert

There is a supported API for accomplishing this! Add something like this to your NSURLConnection delegate:

- (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace {
  return [protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust];
}

- (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge {
  if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust])
    if ([trustedHosts containsObject:challenge.protectionSpace.host])
      [challenge.sender useCredential:[NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust] forAuthenticationChallenge:challenge];

  [challenge.sender continueWithoutCredentialForAuthenticationChallenge:challenge];
}

Note that connection:didReceiveAuthenticationChallenge: can send its message to challenge.sender (much) later, after presenting a dialog box to the user if necessary, etc.

answered Jan 9 at 15:21

Gordon Henriksen
29122

Thanks a lot, it works perfectly. Just remove the the two ifs and keep only the useCendential part in the didReceiveAuthentificationChallenge callback if you want to accept any https site. – yonel Jan 27 at 10:40

This is awesome! However, it only works on iPhone and 10.6. Is there a similar work-around for 10.5? – Dave DeLong May 12 at 16:22

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2010-08-25 09:55
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