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diff --git a/Source/WebCore/platform/mac/CookieJar.mm b/Source/WebCore/platform/mac/CookieJar.mm
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+++ b/Source/WebCore/platform/mac/CookieJar.mm
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+/*
+ * Copyright (C) 2003, 2006, 2008 Apple 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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 "config.h"
+#import "CookieJar.h"
+
+#import "BlockExceptions.h"
+#import "Cookie.h"
+#import "Document.h"
+#import "KURL.h"
+#import <wtf/RetainPtr.h>
+
+#ifdef BUILDING_ON_TIGER
+typedef unsigned NSUInteger;
+#endif
+
+@interface NSHTTPCookie (WebCoreHTTPOnlyCookies)
+- (BOOL)isHTTPOnly;
+@end
+
+namespace WebCore {
+
+static bool isHTTPOnly(NSHTTPCookie *cookie)
+{
+    // Once we require a newer version of Foundation with the isHTTPOnly method,
+    // we can eliminate the instancesRespondToSelector: check.
+    static bool supportsHTTPOnlyCookies = [NSHTTPCookie instancesRespondToSelector:@selector(isHTTPOnly)];
+    return supportsHTTPOnlyCookies && [cookie isHTTPOnly];
+}
+
+static RetainPtr<NSArray> filterCookies(NSArray *unfilteredCookies)
+{
+    NSUInteger count = [unfilteredCookies count];
+    RetainPtr<NSMutableArray> filteredCookies(AdoptNS, [[NSMutableArray alloc] initWithCapacity:count]);
+
+    for (NSUInteger i = 0; i < count; ++i) {
+        NSHTTPCookie *cookie = (NSHTTPCookie *)[unfilteredCookies objectAtIndex:i];
+
+        // <rdar://problem/5632883> On 10.5, NSHTTPCookieStorage would store an empty cookie,
+        // which would be sent as "Cookie: =". We have a workaround in setCookies() to prevent
+        // that, but we also need to avoid sending cookies that were previously stored, and
+        // there's no harm to doing this check because such a cookie is never valid.
+        if (![[cookie name] length])
+            continue;
+
+        if (isHTTPOnly(cookie))
+            continue;
+
+        [filteredCookies.get() addObject:cookie];
+    }
+
+    return filteredCookies;
+}
+
+String cookies(const Document*, const KURL& url)
+{
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    NSURL *cookieURL = url;
+    NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:cookieURL];
+    return [[NSHTTPCookie requestHeaderFieldsWithCookies:filterCookies(cookies).get()] objectForKey:@"Cookie"];
+
+    END_BLOCK_OBJC_EXCEPTIONS;
+    return String();
+}
+
+String cookieRequestHeaderFieldValue(const Document*, const KURL& url)
+{
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    NSURL *cookieURL = url;
+    NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:cookieURL];
+    return [[NSHTTPCookie requestHeaderFieldsWithCookies:cookies] objectForKey:@"Cookie"];
+
+    END_BLOCK_OBJC_EXCEPTIONS;
+    return String();
+}
+
+void setCookies(Document* document, const KURL& url, const String& cookieStr)
+{
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    // <rdar://problem/5632883> On 10.5, NSHTTPCookieStorage would store an empty cookie,
+    // which would be sent as "Cookie: =".
+    if (cookieStr.isEmpty())
+        return;
+
+    // <http://bugs.webkit.org/show_bug.cgi?id=6531>, <rdar://4409034>
+    // cookiesWithResponseHeaderFields doesn't parse cookies without a value
+    String cookieString = cookieStr.contains('=') ? cookieStr : cookieStr + "=";
+
+    NSURL *cookieURL = url;    
+    NSArray *cookies = [NSHTTPCookie cookiesWithResponseHeaderFields:[NSDictionary dictionaryWithObject:cookieString forKey:@"Set-Cookie"] forURL:cookieURL];
+    [[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookies:filterCookies(cookies).get() forURL:cookieURL mainDocumentURL:document->firstPartyForCookies()];
+
+    END_BLOCK_OBJC_EXCEPTIONS;
+}
+
+bool cookiesEnabled(const Document*)
+{
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    NSHTTPCookieAcceptPolicy cookieAcceptPolicy = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookieAcceptPolicy];
+    return cookieAcceptPolicy == NSHTTPCookieAcceptPolicyAlways || cookieAcceptPolicy == NSHTTPCookieAcceptPolicyOnlyFromMainDocumentDomain;
+
+    END_BLOCK_OBJC_EXCEPTIONS;
+    return false;
+}
+
+bool getRawCookies(const Document*, const KURL& url, Vector<Cookie>& rawCookies)
+{
+    rawCookies.clear();
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    NSURL *cookieURL = url;
+    NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:cookieURL];
+
+    NSUInteger count = [cookies count];
+    rawCookies.reserveCapacity(count);
+    for (NSUInteger i = 0; i < count; ++i) {
+        NSHTTPCookie *cookie = (NSHTTPCookie *)[cookies objectAtIndex:i];
+        NSString *name = [cookie name];
+        NSString *value = [cookie value];
+        NSString *domain = [cookie domain];
+        NSString *path = [cookie path];
+        NSTimeInterval expires = [[cookie expiresDate] timeIntervalSince1970] * 1000;
+        bool httpOnly = [cookie isHTTPOnly];
+        bool secure = [cookie isSecure];
+        bool session = [cookie isSessionOnly];
+        rawCookies.uncheckedAppend(Cookie(name, value, domain, path, expires, httpOnly, secure, session));
+    }
+
+    END_BLOCK_OBJC_EXCEPTIONS;
+    return true;
+}
+
+void deleteCookie(const Document*, const KURL& url, const String& cookieName)
+{
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    NSURL *cookieURL = url;
+    NSHTTPCookieStorage *cookieStorage = [NSHTTPCookieStorage sharedHTTPCookieStorage];
+    NSArray *cookies = [cookieStorage cookiesForURL:cookieURL];
+    NSString *cookieNameString = (NSString *) cookieName;
+
+    NSUInteger count = [cookies count];
+    for (NSUInteger i = 0; i < count; ++i) {
+        NSHTTPCookie *cookie = (NSHTTPCookie *)[cookies objectAtIndex:i];
+        if ([[cookie name] isEqualToString:cookieNameString]) {
+            [cookieStorage deleteCookie:cookie];
+            break;
+        }
+    }
+
+    END_BLOCK_OBJC_EXCEPTIONS;
+}
+
+}