如果你的app服务端安装的是SLL颁发的CA，可以使用系统方法直接实现信任SSL证书，关于Apple对SSL证书的要求请参考：苹果官方文档CertKeyTrustProgGuide
这种方式不需要在Bundle中引入CA文件，可以交给系统去判断服务器端的证书是不是SSL证书，验证过程也不需要我们去具体实现。
第1种
#import "ViewController.h"
#import "HttpManager.h"
@interface ViewController ()<NSURLSessionDataDelegate>
@property(nonatomic,copy)NSString *etag;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
UIButton *btn = [[UIButton alloc]initWithFrame:CGRectMake(100, 100, 200, 100)];
[btn setTitle:@"AFNetworking" forState:UIControlStateNormal];
[btn setBackgroundColor:[UIColor redColor]];
[btn addTarget:self action:@selector(btnClicked) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
UIButton *sessionBtn = [[UIButton alloc]initWithFrame:CGRectMake(100, 300, 200, 100)];
[sessionBtn setTitle:@"NSUrlSession" forState:UIControlStateNormal];
[sessionBtn setBackgroundColor:[UIColor redColor]];
[sessionBtn addTarget:self action:@selector(sessionBtnClicked) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:sessionBtn];
}
- (void)btnClicked {
NSString *urlString = @"https://10.20.129.25:8443/dreamVideo/restful/show";
HttpManager *httpManager = [HttpManager shareHttpManager];
[httpManager post:urlString withParameters:nil success:^(NSURLSessionDataTask *task, id responseObject) {
NSLog(@"success");
} failure:^(NSURLSessionDataTask *task, NSError *error) {
NSLog(@"failure");
}];
}
- (void)sessionBtnClicked {
NSString *urlString = @"https://10.20.129.25:8443/dreamVideo/restful/show";
NSURL *url = [NSURL URLWithString:urlString];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:10.0f];
NSURLSession *session = [NSURLSession sessionWithConfiguration:[NSURLSessionConfiguration defaultSessionConfiguration] delegate:self delegateQueue:[NSOperationQueue mainQueue]];
NSURLSessionDataTask *task = [session dataTaskWithRequest:request];
[task resume];
}
- (void)URLSession:(NSURLSession *)session dataTask:(NSURLSessionDataTask *)dataTask
didReceiveResponse:(NSURLResponse *)response
completionHandler:(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");
}
- (void)URLSession:(NSURLSession *)session didReceiveChallenge:(NSURLAuthenticationChallenge *)challenge
completionHandler:(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: credential
forAuthenticationChallenge: challenge];
}
while(0);
}
// Bad dog
NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
completionHandler(NSURLSessionAuthChallengeCancelAuthenticationChallenge,credential);
return [[challenge sender] cancelAuthenticationChallenge: challenge];
}