p1033.png

很明显没有绿锁, 当打开的时候会询问是否连接这个不受信任的连接才会进一步打开, 下面就来一步步的实现(包括怎么制作证书)
iOS使用自签名证书实现HTTPS请求
iOS Https协议 自签证书访问数据参考这个例子的时候,博主自带的Demo AFN框架请求不了数据, 我用了最新AFN版本的成功返回数据
还可以参考一下
iOS 10 适配 ATS app支持https通过App Store审核
我在利用原生的代码测试时遇到的问题

 @interface ViewController ()@end @implementation ViewController - (void)viewDidLoad { } - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:self delegateQueue:[NSOperationQueue mainQueue]];NSURLSessionDataTask *task =[session dataTaskWithURL:[NSURL URLWithString:@"https://www.baidu.com"] completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) { NSLog(@"%@", [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]); }];[task resume]; } - (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveResponse:(NSURLResponse *)responsecompletionHandler:(void (^)(NSURLSessionResponseDisposition disposition))completionHandler { NSLog(@"接收到服务器响应"); //注意：这里需要使用completionHandler回调告诉系统应该如何处理服务器返回的数据 //默认是取消 /**NSURLSessionResponseCancel = 0,默认的处理方式，取消NSURLSessionResponseAllow = 1, 接收服务器返回的数据NSURLSessionResponseBecomeDownload = 2,变成一个下载请求NSURLSessionResponseBecomeStream 变成一个流*/ completionHandler(NSURLSessionResponseAllow); } - (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask didReceiveData:(NSData *)data { NSLog(@"获取到服务段数据"); NSLog(@"%@",[self jsonToDictionary:data]); } - (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task didCompleteWithError:(nullable NSError *)error { NSLog(@"请求完成%@", error); } - (void)URLSession:(NSURLSession *)session didReceiveChallenge:(NSURLAuthenticationChallenge *)challengecompletionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * _Nullable credential))completionHandler { NSLog(@"证书认证"); if ([[[challenge protectionSpace] authenticationMethod] isEqualToString: NSURLAuthenticationMethodServerTrust]) {do { SecTrustRef serverTrust = [[challenge protectionSpace] serverTrust]; NSCAssert(serverTrust != nil, @"serverTrust is nil"); if(nil == serverTrust) break; /* failed */ /***导入多张CA证书（Certification Authority，支持SSL证书以及自签名的CA），请替换掉你的证书名称*/ NSString *cerPath = [[NSBundle mainBundle] pathForResource:@"ca" ofType:@"cer"];//自签名证书NSData* caCert = [NSData dataWithContentsOfFile:cerPath]; NSCAssert(caCert != nil, @"caCert is nil"); if(nil == caCert) break; /* failed */ SecCertificateRef caRef = SecCertificateCreateWithData(NULL, (__bridge CFDataRef)caCert); NSCAssert(caRef != nil, @"caRef is nil"); if(nil == caRef) break; /* failed */ //可以添加多张证书 NSArray *caArray = @[(__bridge id)(caRef)]; NSCAssert(caArray != nil, @"caArray is nil"); if(nil == caArray) break; /* failed */ //将读取的证书设置为服务端帧数的根证书 OSStatus status = SecTrustSetAnchorCertificates(serverTrust, (__bridge CFArrayRef)caArray); NSCAssert(errSecSuccess == status, @"SecTrustSetAnchorCertificates failed"); if(!(errSecSuccess == status)) break; /* failed */ SecTrustResultType result = -1; //通过本地导入的证书来验证服务器的证书是否可信 status = SecTrustEvaluate(serverTrust, &result); if(!(errSecSuccess == status)) break; /* failed */ NSLog(@"stutas:%d",(int)status); NSLog(@"Result: %d", result); BOOL allowConnect = (result == kSecTrustResultUnspecified) || (result == kSecTrustResultProceed); if (allowConnect) {NSLog(@"success"); }else {NSLog(@"error"); } /* kSecTrustResultUnspecified and kSecTrustResultProceed are success */ if(! allowConnect) { break; /* failed */ } #if 0 /* Treat kSecTrustResultConfirm and kSecTrustResultRecoverableTrustFailure as success */ /* since the user will likely tap-through to see the dancing bunnies */ if(result == kSecTrustResultDeny || result == kSecTrustResultFatalTrustFailure || result == kSecTrustResultOtherError) break; /* failed to trust cert (good in this case) */ #endif // The only good exit point NSLog(@"信任该证书"); NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust]; completionHandler(NSURLSessionAuthChallengeUseCredential,credential); return [[challenge sender] useCredential: credentialforAuthenticationChallenge: challenge]; } while(0); } // Bad dog NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust]; completionHandler(NSURLSessionAuthChallengeCancelAuthenticationChallenge,credential); return [[challenge sender] cancelAuthenticationChallenge: challenge];} - (NSDictionary *)jsonToDictionary:(NSData *)jsonData { NSError *jsonError; NSDictionary *resultDic = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableLeaves error:&jsonError]; return resultDic;} @end 

下面说说我在配置自己制作证书过程中遇到的问题:
1.转换证书: 把后台给你的.crt证书转化为.cer后缀
终端命令行openssl x509 -in 你的证书.crt -out 你的证书.cer -outform der

2.利用系统的方法来不到

- (void)URLSession:(NSURLSession *)session didReceiveChallenge:(NSURLAuthenticationChallenge *)challengecompletionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * _Nullable credential))completionHandler { NSLog(@"证书认证"); } 

这个方法的时候, 是因为后台的传输协议还没升级到TLS1.2, 叫后台升级后就可以来到验证证书的这个方法了.
3.拖入证书读取不出证书数据
参考: https的证书错误，错误码-1012问题及解决方案
SDWebImage: 项目中大家用到AFN请求网络数据, 升级验证SSL证书的方案相信你看完上面的参考文章已经没问题了, 我给出的代码, 自定义网络请求也没问题了, 还有就是SDWebImage框架的请求HTTPS的图片时,大家可以绕过证书验证去加载图片

[imageView sd_setImageWithURL:[NSURL URLWithString:urlString] placeholderImage:self.placeholder options:SDWebImageAllowInvalidSSLCertificates]; 

希望帮到你。

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