问题描述
我一直在谷歌搜索这个问题几个小时了，我似乎无法找到解决方案。
I have been googling this problem for hours now, and I can't seem to find a solution.
我接下来的最后一个教程是解释了如何通过不受信任的SSL连接发送JSON请求（在本例中为自签名）证书）。
The last tutorial I followed was this tutorial explaining how I could send a JSON request over an untrusted SSL connection (in this case, a self-signed certificate).
简而言之，我到目前为止尝试过的代码是这样的：
In short, the code I have tried so far is this one:
此方法检查如果令牌对我的网络API有效：
This method checks if the token is valid with my web API:
-(BOOL)linked
{
if([self token] == nil)
{
return NO;
}else
{
NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"%@?token=%@&object=User&action=check_authorized", SPAtajosApiLink, [self token], nil]];
NSMutableURLRequest *req = [NSMutableURLRequest requestWithURL:url];
[req setHTTPMethod:@"POST"];
NSLog(@"%@", req);
[req setHTTPBody: [mandatoryParameters dataUsingEncoding: NSUTF8StringEncoding]];
NSURLConnection *connection = [[NSURLConnection alloc] initWithRequest:req delegate:self];
[connection start];
NSDictionary *validity = [NSJSONSerialization
JSONObjectWithData:[NSURLConnection sendSynchronousRequest:req returningResponse:nil error:nil]
options:NSJSONReadingMutableContainers
error:nil];
NSLog(@"RESPONSE LINKED %@ %@", validity[@"code"], validity[@"message"]);
}
return YES;
}
我已经实现了NSURLConnectionDelegate方法，如下所示：
And I have implemented the NSURLConnectionDelegate methods as follows:
- (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])
{
NSLog(@"API LINK %@", challenge.protectionSpace.host);
if ([challenge.protectionSpace.host isEqualToString:SPAtajosApiLink])
{
[challenge.sender useCredential:[NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust] forAuthenticationChallenge:challenge];
}
}
[challenge.sender continueWithoutCredentialForAuthenticationChallenge:challenge];
}
然而，我的应用程序总是崩溃，并显示以下消息：
Yet, my app always crashes with the following message:
好的，所以NSData，可能是NSJSONSerialization中的参数是NULL。问题是，为什么？
Okay, so NSData, presumably the parameter in NSJSONSerialization is NULL. The question, why?
奇怪的是，我有一个类似的代码，它实际上适用于通过不受信任的SSL与网站交互的UIWebView：
Bizarrely enough I have a similar code that actually works with a UIWebView interacting with a website over untrusted SSL:
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType
{
//Need to rebuild base URL. Otherwise I get the parameters which will always fail the check.
NSURL *requestUrl = [request URL];
NSString *basicPathString = [NSString stringWithFormat:@"%@://%@:%@%@", requestUrl.scheme, requestUrl.host, requestUrl.port, requestUrl.path];
NSLog(@"%@", basicPathString);
if([basicPathString isEqualToString:SPAtajosLoginLink])
{
__block NSDictionary *jsonResponse = [NSJSONSerialization JSONObjectWithData:[NSData dataWithContentsOfURL:request.URL.absoluteURL]
options:NSJSONReadingMutableContainers
error:nil];
NSLog(@"Auth token is %@", jsonResponse[@"token"]);
[self dismissViewControllerAnimated:YES completion:^{
if([jsonResponse[@"code"] isEqualToNumber:[NSNumber numberWithInt:200]])
{
[[PDKeychainBindings sharedKeychainBindings] setObject:jsonResponse[@"token"]
forKey:@"com.shortcutpublicity.ios.atajos.userAccessToken"];
}else
{
UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:NSLocalizedString(@"No Se Pudo Autenticar", @"Error 500 title")
message:NSLocalizedString(@"Se ha producido un error interno del servidor (500). Por favor, trata de nuevo más tarde.", @"Error describing error 500")
delegate:nil
cancelButtonTitle:NSLocalizedString(@"Aceptar", @"Accept") otherButtonTitles:nil];
[alertView show];
}
}];
}else {
//--------------THIS IS THE RELEVANT PART------------
BOOL result = _Authenticated;
if (!_Authenticated)
{
_FailedRequest = request;
NSURLConnection *trash = [[NSURLConnection alloc] initWithRequest:request delegate:self];
if(trash)
{
NSLog(@"Allocated succesfully.");
}
}
return result;
}
return YES;
}
-(void)connection:(NSURLConnection *)connection willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge {
if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
NSURL* baseURL = [NSURL URLWithString:SPatajosAuthLink];
if ([challenge.protectionSpace.host isEqualToString:baseURL.host]) {
NSLog(@"trusting connection to host %@", challenge.protectionSpace.host);
[challenge.sender useCredential:[NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust] forAuthenticationChallenge:challenge];
} else
NSLog(@"Not trusting connection to host %@", challenge.protectionSpace.host);
}
[challenge.sender continueWithoutCredentialForAuthenticationChallenge:challenge];
}
-(void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)pResponse {
_Authenticated = YES;
[connection cancel];
[_webView loadRequest:_FailedRequest];
}
我试图调整这个适用于WebView的代码，但我没有'有任何运气适应与NSURLConnection一起使用。
I have tried to adapt this code that works with a WebView but I haven't had any luck adapting to use it with a NSURLConnection.
说实话，我不是相当确定我知道这些变通办法是如何工作的。我一直在窃取并试图调整其他人的代码无济于事。我查看了NSURLConnection和NSURLRequest文档，但我无法解决这些问题。请帮帮我。
To be honest, I'm not quite sure I know how these workarounds work. I have been stealing and attempting to adapt other people's code to no avail. I have looked at NSURLConnection and NSURLRequest docs and I wasn't able to solve these problems. Please help me out.
推荐答案
我们在#ifedf块中使用此类别进行测试...确保你不要离开这在生产中：
We use this category in an #ifedf block for testing... make sure you DO NOT leave this in production:
#ifdef DEBUG
@interface NSURLRequest (IgnoreSSL)
+(BOOL)allowsAnyHTTPSCertificateForHost:(NSString*)host;
@end
@implementation NSURLRequest (IgnoreSSL)
+(BOOL)allowsAnyHTTPSCertificateForHost:(NSString*)host {return YES;}
@end
#endif
这篇关于由于不受信任的证书，无法通过HTTPS接收JSON请求的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！