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      1 /*
      2  * Copyright (C) 2008, 2009 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "LegacyWebArchive.h"
     31 
     32 namespace WebCore {
     33 
     34 static NSString * const LegacyWebArchiveResourceResponseKey = @"WebResourceResponse";
     35 
     36 // FIXME: If is is possible to parse in a serialized NSURLResponse manually, without using
     37 // NSKeyedUnarchiver, manipulating plists directly, we would prefer to do that instead.
     38 ResourceResponse LegacyWebArchive::createResourceResponseFromMacArchivedData(CFDataRef responseData)
     39 {
     40     ASSERT(responseData);
     41     if (!responseData)
     42         return ResourceResponse();
     43 
     44     NSURLResponse *response = nil;
     45     NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:(NSData *)responseData];
     46     @try {
     47         id responseObject = [unarchiver decodeObjectForKey:LegacyWebArchiveResourceResponseKey];
     48         if ([responseObject isKindOfClass:[NSURLResponse class]])
     49             response = responseObject;
     50         [unarchiver finishDecoding];
     51     } @catch(id) {
     52         response = nil;
     53     }
     54     [unarchiver release];
     55 
     56     return ResourceResponse(response);
     57 }
     58 
     59 RetainPtr<CFDataRef> LegacyWebArchive::createPropertyListRepresentation(const ResourceResponse& response)
     60 {
     61     NSURLResponse *nsResponse = response.nsURLResponse();
     62     ASSERT(nsResponse);
     63     if (!nsResponse)
     64         return 0;
     65 
     66     CFMutableDataRef responseData = CFDataCreateMutable(0, 0);
     67 
     68     NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:(NSMutableData *)responseData];
     69     [archiver encodeObject:nsResponse forKey:LegacyWebArchiveResourceResponseKey];
     70     [archiver finishEncoding];
     71     [archiver release];
     72 
     73     return RetainPtr<CFDataRef>(AdoptCF, responseData);
     74 }
     75 
     76 }
     77