/*

 * Copyright (C) 2005 Apple Computer, Inc.  All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer. 

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution. 

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission. 

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#import <WebKit/WebKeyGenerator.h>

#import <JavaScriptCore/Assertions.h>

#import <WebKit/WebLocalizableStrings.h>

#import <WebKitSystemInterface.h>

@implementation WebKeyGenerator

+ (void)createSharedGenerator

{

    if (![self sharedGenerator]) {

        [[[self alloc] init] release];

    }

    ASSERT([[self sharedGenerator] isKindOfClass:self]);

}

- (void)dealloc

{

    [strengthMenuItemTitles release];

    [super dealloc];

}

- (NSArray *)strengthMenuItemTitles

{

    if (!strengthMenuItemTitles) {

        strengthMenuItemTitles = [[NSArray alloc] initWithObjects:

            UI_STRING("2048 (High Grade)", "Menu item title for KEYGEN pop-up menu"),

            UI_STRING("1024 (Medium Grade)", "Menu item title for KEYGEN pop-up menu"),

            UI_STRING("512 (Low Grade)", "Menu item title for KEYGEN pop-up menu"), nil];

    }

    return strengthMenuItemTitles;

}

- (NSString *)signedPublicKeyAndChallengeStringWithStrengthIndex:(unsigned)index challenge:(NSString *)challenge pageURL:(NSURL *)pageURL

{    

    // This switch statement must always be synced with the UI strings returned by strengthMenuItemTitles.

    UInt32 keySize;

    switch (index) {

        case 0:

            keySize = 2048;

            break;

        case 1:

            keySize = 1024;

            break;

        case 2:

            keySize = 512;

            break;

        default:

            return nil;

    }

    NSString *keyDescription = [NSString stringWithFormat:UI_STRING("Key from %@", "name of keychain key generated by the KEYGEN tag"), [pageURL host]];

    return [(NSString *)WKSignedPublicKeyAndChallengeString(keySize, (CFStringRef)challenge, (CFStringRef)keyDescription) autorelease];

}

- (WebCertificateParseResult)addCertificatesToKeychainFromData:(NSData *)data

{

    return WKAddCertificatesToKeychainFromData([data bytes], [data length]);

}

@end