--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/mac/Panels/WebPanelAuthenticationHandler.m	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,164 @@
+/*
+ * 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/WebPanelAuthenticationHandler.h>
+
+#import <Foundation/NSURLAuthenticationChallenge.h>
+#import <WebKit/WebAuthenticationPanel.h>
+#import <WebKit/WebNSDictionaryExtras.h>
+#import <wtf/Assertions.h>
+
+static NSString *WebModalDialogPretendWindow = @"WebModalDialogPretendWindow";
+
+@implementation WebPanelAuthenticationHandler
+
+WebPanelAuthenticationHandler *sharedHandler;
+
++ (id)sharedHandler
+{
+    if (sharedHandler == nil)
+        sharedHandler = [[self alloc] init];
+    return sharedHandler;
+}
+
+-(id)init
+{
+    self = [super init];
+    if (self != nil) {
+        windowToPanel = [[NSMutableDictionary alloc] init];
+        challengeToWindow = [[NSMutableDictionary alloc] init];
+        windowToChallengeQueue = [[NSMutableDictionary alloc] init];
+    }
+    return self;
+}
+
+-(void)dealloc
+{
+    [windowToPanel release];
+    [challengeToWindow release];    
+    [windowToChallengeQueue release];    
+    [super dealloc];
+}
+
+-(void)enqueueChallenge:(NSURLAuthenticationChallenge *)challenge forWindow:(id)window
+{
+    NSMutableArray *queue = [windowToChallengeQueue objectForKey:window];
+    if (queue == nil) {
+        queue = [[NSMutableArray alloc] init];
+        [windowToChallengeQueue _webkit_setObject:queue forUncopiedKey:window];
+        [queue release];
+    }
+    [queue addObject:challenge];
+}
+
+-(void)tryNextChallengeForWindow:(id)window
+{
+    NSMutableArray *queue = [windowToChallengeQueue objectForKey:window];
+    if (queue == nil) {
+        return;
+    }
+
+    NSURLAuthenticationChallenge *challenge = [[queue objectAtIndex:0] retain];
+    [queue removeObjectAtIndex:0];
+    if ([queue count] == 0) {
+        [windowToChallengeQueue removeObjectForKey:window];
+    }
+
+    NSURLCredential *latestCredential = [[NSURLCredentialStorage sharedCredentialStorage] defaultCredentialForProtectionSpace:[challenge protectionSpace]];
+
+    if ([latestCredential hasPassword]) {
+        [[challenge sender] useCredential:latestCredential forAuthenticationChallenge:challenge];
+        [challenge release];
+        return;
+    }
+                                                                    
+    [self startAuthentication:challenge window:(window == WebModalDialogPretendWindow ? nil : window)];
+    [challenge release];
+}
+
+
+-(void)startAuthentication:(NSURLAuthenticationChallenge *)challenge window:(NSWindow *)w
+{
+    id window = w ? (id)w : (id)WebModalDialogPretendWindow;
+
+    if ([windowToPanel objectForKey:window] != nil) {
+        [self enqueueChallenge:challenge forWindow:window];
+        return;
+    }
+
+    // In this case, we have an attached sheet that's not one of our
+    // authentication panels, so enqueing is not an option. Just
+    // cancel loading instead, since this case is fairly
+    // unlikely (how would you be loading a page if you had an error
+    // sheet up?)
+    if ([w attachedSheet] != nil) {
+        [[challenge sender] cancelAuthenticationChallenge:challenge];
+        return;
+    }
+
+    WebAuthenticationPanel *panel = [[WebAuthenticationPanel alloc] initWithCallback:self selector:@selector(_authenticationDoneWithChallenge:result:)];
+    [challengeToWindow _webkit_setObject:window forUncopiedKey:challenge];
+    [windowToPanel _webkit_setObject:panel forUncopiedKey:window];
+    [panel release];
+    
+    if (window == WebModalDialogPretendWindow) {
+        [panel runAsModalDialogWithChallenge:challenge];
+    } else {
+        [panel runAsSheetOnWindow:window withChallenge:challenge];
+    }
+}
+
+-(void)cancelAuthentication:(NSURLAuthenticationChallenge *)challenge
+{
+    id window = [challengeToWindow objectForKey:challenge];
+    if (window != nil) {
+        WebAuthenticationPanel *panel = [windowToPanel objectForKey:window];
+        [panel cancel:self];
+    }
+}
+
+-(void)_authenticationDoneWithChallenge:(NSURLAuthenticationChallenge *)challenge result:(NSURLCredential *)credential
+{
+    id window = [challengeToWindow objectForKey:challenge];
+    [window retain];
+    if (window != nil) {
+        [windowToPanel removeObjectForKey:window];
+        [challengeToWindow removeObjectForKey:challenge];
+    }
+
+    if (credential == nil) {
+        [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge];
+    } else {
+        [[challenge sender] useCredential:credential forAuthenticationChallenge:challenge];
+    }
+
+    [self tryNextChallengeForWindow:window];
+    [window release];
+}
+
+@end