Security/libsecurity_keychain/xpc-tsa/timestampclient.m

   1 /*
   2  * Copyright (c) 2012 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 //
  25 //  timestampclient.m
  26 //  libsecurity_keychain
  27 //
  28
  29 #import "timestampclient.h"
  30
  31 void sendTSARequest(CFDataRef tsaReq, const char *tsaURL, TSARequestCompletionBlock completionBlock)
  32 {
  33     NSAutoreleasePool *pool =   [[NSAutoreleasePool alloc] init];
  34
  35     NSString *urlStr = [NSString stringWithCString:tsaURL encoding:NSUTF8StringEncoding];
  36     TimeStampClient *client = [[TimeStampClient alloc] initWithURLString:urlStr];
  37     [client post:(NSData *)tsaReq];
  38     [client start3:completionBlock];
  39     [client release];
  40     [pool release];
  41 }
  42
  43 @implementation TimeStampClient
  44
  45 @synthesize delegate;
  46 @synthesize url;
  47 @synthesize urlRequest;
  48
  49 - (id)init
  50 {
  51     self = [super init];
  52     return self;
  53 }
  54
  55 - (id)initWithURLString:(NSString *)urlStr
  56 {
  57     if ((self = [super init]))
  58     {
  59         NSString *escapedURLStr = [urlStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
  60         self.url = [NSURL URLWithString:escapedURLStr];
  61         self.urlRequest = [[NSMutableURLRequest alloc] initWithURL:self.url
  62             cachePolicy:NSURLRequestReloadIgnoringLocalCacheData timeoutInterval:(NSTimeInterval)15.0];
  63     }
  64     return self;
  65 }
  66
  67 - (void)dealloc
  68 {
  69     [url release];
  70     [urlRequest release];
  71     [super dealloc];
  72 }
  73
  74 - (void)post: (NSData *)data
  75 {
  76     NSMutableURLRequest *request = self.urlRequest;
  77
  78     [request setHTTPMethod:@"POST"];
  79     [request setHTTPBody:data];
  80     [request setValue:@"application/timestamp-query" forHTTPHeaderField:@"Content-Type"];
  81 }
  82
  83 - (void)start3:(TSARequestCompletionBlock)completionBlock
  84 {
  85     dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_LOW, 0),
  86     ^{
  87         NSOperationQueue *opq = [[NSOperationQueue alloc] init];
  88         [NSURLConnection sendAsynchronousRequest:self.urlRequest
  89             queue:opq completionHandler: completionBlock
  90         ];
  91     });
  92 }
  93
  94 @end
  95
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  98