/*      
    WebKitSystemInterface.h
    Copyright (C) 2005 Apple Computer, Inc. All rights reserved.    
    
    Public header file.
*/

#import <Cocoa/Cocoa.h>

typedef enum {
    WKCertificateParseResultSucceeded  = 0,
    WKCertificateParseResultFailed     = 1,
    WKCertificateParseResultPKCS7      = 2,
} WKCertificateParseResult;

CFStringRef WKCopyCFLocalizationPreferredName(CFStringRef localization);
CFStringRef WKSignedPublicKeyAndChallengeString(unsigned keySize, CFStringRef challenge, CFStringRef keyDescription);
WKCertificateParseResult WKAddCertificatesToKeychainFromData(const void *bytes, unsigned length);

NSString *WKGetPreferredExtensionForMIMEType(NSString *type);
NSArray *WKGetExtensionsForMIMEType(NSString *type);
NSString *WKGetMIMETypeForExtension(NSString *extension);

NSDate *WKGetNSURLResponseLastModifiedDate(NSURLResponse *response);
NSTimeInterval WKGetNSURLResponseFreshnessLifetime(NSURLResponse *response);
NSTimeInterval WKGetNSURLResponseCalculatedExpiration(NSURLResponse *response);
BOOL WKGetNSURLResponseMustRevalidate(NSURLResponse *response);