├── HTTPSURLProtocol.h
├── HTTPSURLProtocol.m
└── README.md


/HTTPSURLProtocol.h:
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 1 | //
 2 | //  XHTTPSURLProtocol.h
 3 | //  XHTTPSURLProtocol
 4 | //
 5 | //  Created by hhfa008 on 13-6-27.
 6 | //  Copyright (c) 2013年 hhfa008 Inc. All rights reserved.
 7 | //
 8 | 
 9 | #import <Foundation/Foundation.h>
10 | 
11 | /**
12 | 	该类用于处理https类型的ajax请求
13 |  */
14 | @interface HTTPSURLProtocol : NSURLProtocol
15 | {
16 |     NSMutableData* _data;
17 | }
18 | 
19 | @end
20 | 


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/HTTPSURLProtocol.m:
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  1 | //
  2 | //  HTTPSURLProtocol.m
  3 | //  HTTPSURLProtocol
  4 | //
  5 | //  Created by hhfa008 on 13-6-27.
  6 | //  Copyright (c) 2013年 hhfa008 Inc. All rights reserved.
  7 | //
  8 | 
  9 | #import "HTTPSURLProtocol.h"
 10 | 
 11 | static BOOL gExchangeCredentialFinished = YES;             /**< 用于标记是否完成证书交换 */
 12 | 
 13 | @implementation HTTPSURLProtocol
 14 | 
 15 | + (BOOL)canInitWithRequest:(NSURLRequest *)theRequest
 16 | {
 17 |     //FIXME: 后来的https类型的reqeust应该也要被处理
 18 |     return ([[[theRequest URL] scheme] isEqualToString:@"https"] && gExchangeCredentialFinished);
 19 | }
 20 | 
 21 | + (NSURLRequest*)canonicalRequestForRequest:(NSURLRequest*)request
 22 | {
 23 |     return request;
 24 | }
 25 | 
 26 | - (void)startLoading
 27 | {
 28 |     gExchangeCredentialFinished = NO;
 29 |     NSURLConnection *theConncetion = [[NSURLConnection alloc] initWithRequest:self.request delegate:self];
 30 |     if (theConncetion) {
 31 |         _data = [NSMutableData data];
 32 |     }
 33 | }
 34 | 
 35 | - (void)stopLoading
 36 | {
 37 |     // NOTE:如有清理工作，可以在此处添加
 38 | }
 39 | 
 40 | + (BOOL)requestIsCacheEquivalent:(NSURLRequest*)requestA toRequest:(NSURLRequest*)requestB
 41 | {
 42 |     return NO;
 43 | }
 44 | 
 45 | #pragma mark - NSURLConnectionDelegate
 46 | 
 47 | - (BOOL)connection:(NSURLConnection *)connection canAuthenticateAgainstProtectionSpace:(NSURLProtectionSpace *)protectionSpace
 48 | {
 49 |     //响应服务器证书认证请求和客户端证书认证请求
 50 |     return [protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust] ||
 51 |     [protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodClientCertificate];
 52 | }
 53 | 
 54 | - (void)connection:(NSURLConnection *)connection didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge
 55 | {
 56 |     NSURLCredential* credential;
 57 |     if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust])
 58 |     {
 59 |         //服务器证书认证
 60 |         credential= [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
 61 |     }
 62 |     else if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodClientCertificate])
 63 |     {
 64 |         //客户端证书认证
 65 |         //TODO:设置客户端证书认证
 66 |         credential = nil;
 67 |     }
 68 | 
 69 |     if (credential != nil)
 70 |     {
 71 |         [challenge.sender useCredential:credential forAuthenticationChallenge:challenge];
 72 |     }
 73 |     else
 74 |     {
 75 |         [challenge.sender continueWithoutCredentialForAuthenticationChallenge:challenge];
 76 |     }
 77 | }
 78 | 
 79 | - (void)connection:(NSURLConnection *)connection didReceiveResponse:(NSURLResponse *)response
 80 | {
 81 |     [[self client] URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
 82 | }
 83 | 
 84 | - (void)connection:(NSURLConnection *)connection didReceiveData:(NSData *)data
 85 | {
 86 |     [_data appendData:data];
 87 | }
 88 | 
 89 | - (void)connectionDidFinishLoading:(NSURLConnection *)connection
 90 | {
 91 |     [[self client] URLProtocol:self didLoadData:_data];
 92 |     [[self client] URLProtocolDidFinishLoading:self];
 93 |     gExchangeCredentialFinished = YES;
 94 | }
 95 | 
 96 | -(void)connection:(NSURLConnection *)connection didFailWithError:(NSError *)error
 97 | {
 98 |     [[self client] URLProtocol:self didFailWithError:error];
 99 |     gExchangeCredentialFinished = YES;
100 | }
101 | 
102 | @end
103 | 


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/README.md:
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1 | HTTPSURLProtocol
2 | ================
3 | 
4 | HTTPSURLProtocol, a elegant way to handle https in iOS
5 | 


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