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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "chrome/browser/ui/cocoa/certificate_viewer_mac.h"
#include <Security/Security.h>
#include <SecurityInterface/SFCertificatePanel.h>
#include <vector>
#include "base/mac/foundation_util.h"
#include "base/mac/scoped_cftyperef.h"
#include "chrome/browser/certificate_viewer.h"
#import "chrome/browser/ui/cocoa/constrained_window/constrained_window_mac.h"
#import "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet.h"
#import "chrome/browser/ui/cocoa/constrained_window/constrained_window_sheet_controller.h"
#include "net/cert/x509_certificate.h"
#include "net/cert/x509_util_mac.h"
#import "ui/base/cocoa/window_size_constants.h"
class SSLCertificateViewerCocoaBridge;
@interface SFCertificatePanel (SystemPrivate)
// A system-private interface that dismisses a panel whose sheet was started by
// -beginSheetForWindow:
// modalDelegate:
// didEndSelector:
// contextInfo:
// certificates:
// showGroup:
// as though the user clicked the button identified by returnCode. Verified
// present in 10.8.
- (void)_dismissWithCode:(NSInteger)code;
@end
@interface SSLCertificateViewerCocoa ()
- (void)onConstrainedWindowClosed;
@end
class SSLCertificateViewerCocoaBridge : public ConstrainedWindowMacDelegate {
public:
explicit SSLCertificateViewerCocoaBridge(SSLCertificateViewerCocoa *
controller)
: controller_(controller) {
}
virtual ~SSLCertificateViewerCocoaBridge() {}
// ConstrainedWindowMacDelegate implementation:
void OnConstrainedWindowClosed(ConstrainedWindowMac* window) override {
// |onConstrainedWindowClosed| will delete the sheet which might be still
// in use higher up the call stack. Wait for the next cycle of the event
// loop to call this function.
[controller_ performSelector:@selector(onConstrainedWindowClosed)
withObject:nil
afterDelay:0];
}
private:
SSLCertificateViewerCocoa* controller_; // weak
DISALLOW_COPY_AND_ASSIGN(SSLCertificateViewerCocoaBridge);
};
void ShowCertificateViewer(content::WebContents* web_contents,
gfx::NativeWindow parent,
net::X509Certificate* cert) {
// SSLCertificateViewerCocoa will manage its own lifetime and will release
// itself when the dialog is closed.
// See -[SSLCertificateViewerCocoa onConstrainedWindowClosed].
SSLCertificateViewerCocoa* viewer =
[[SSLCertificateViewerCocoa alloc] initWithCertificate:cert];
[viewer displayForWebContents:web_contents];
}
@implementation SSLCertificateViewerCocoa
- (id)initWithCertificate:(net::X509Certificate*)certificate {
if ((self = [super init])) {
base::ScopedCFTypeRef<CFArrayRef> cert_chain(
certificate->CreateOSCertChainForCert());
NSArray* certificates = base::mac::CFToNSCast(cert_chain.get());
certificates_.reset([certificates retain]);
}
return self;
}
- (void)sheetDidEnd:(NSWindow*)parent
returnCode:(NSInteger)returnCode
context:(void*)context {
if (!closePending_)
constrainedWindow_->CloseWebContentsModalDialog();
}
- (void)displayForWebContents:(content::WebContents*)webContents {
// Explicitly disable revocation checking, regardless of user preferences
// or system settings. The behaviour of SFCertificatePanel is to call
// SecTrustEvaluate on the certificate(s) supplied, effectively
// duplicating the behaviour of net::X509Certificate::Verify(). However,
// this call stalls the UI if revocation checking is enabled in the
// Keychain preferences or if the cert may be an EV cert. By disabling
// revocation checking, the stall is limited to the time taken for path
// building and verification, which should be minimized due to the path
// being provided in |certificates|. This does not affect normal
// revocation checking from happening, which is controlled by
// net::X509Certificate::Verify() and user preferences, but will prevent
// the certificate viewer UI from displaying which certificate is revoked.
// This is acceptable, as certificate revocation will still be shown in
// the page info bubble if a certificate in the chain is actually revoked.
base::ScopedCFTypeRef<CFMutableArrayRef> policies(
CFArrayCreateMutable(kCFAllocatorDefault, 0, &kCFTypeArrayCallBacks));
if (!policies.get()) {
NOTREACHED();
return;
}
// Add a basic X.509 policy, in order to match the behaviour of
// SFCertificatePanel when no policies are specified.
SecPolicyRef basic_policy = NULL;
OSStatus status = net::x509_util::CreateBasicX509Policy(&basic_policy);
if (status != noErr) {
NOTREACHED();
return;
}
CFArrayAppendValue(policies, basic_policy);
CFRelease(basic_policy);
status = net::x509_util::CreateRevocationPolicies(false, false, policies);
if (status != noErr) {
NOTREACHED();
return;
}
panel_.reset([[SFCertificatePanel alloc] init]);
[panel_ setPolicies:(id) policies.get()];
constrainedWindow_.reset(
new ConstrainedWindowMac(observer_.get(), webContents, self));
}
- (NSWindow*)overlayWindow {
return overlayWindow_;
}
- (void)showSheetForWindow:(NSWindow*)window {
overlayWindow_.reset([window retain]);
[panel_ beginSheetForWindow:window
modalDelegate:self
didEndSelector:@selector(sheetDidEnd:
returnCode:
context:)
contextInfo:NULL
certificates:certificates_
showGroup:YES];
}
- (void)closeSheetWithAnimation:(BOOL)withAnimation {
closePending_ = YES;
overlayWindow_.reset();
// Closing the sheet using -[NSApp endSheet:] doesn't work so use the private
// method.
[panel_ _dismissWithCode:NSFileHandlingPanelCancelButton];
}
- (void)hideSheet {
NSWindow* sheetWindow = [overlayWindow_ attachedSheet];
[sheetWindow setAlphaValue:0.0];
oldResizesSubviews_ = [[sheetWindow contentView] autoresizesSubviews];
[[sheetWindow contentView] setAutoresizesSubviews:NO];
oldSheetFrame_ = [sheetWindow frame];
NSRect overlayFrame = [overlayWindow_ frame];
oldSheetFrame_.origin.x -= NSMinX(overlayFrame);
oldSheetFrame_.origin.y -= NSMinY(overlayFrame);
[sheetWindow setFrame:ui::kWindowSizeDeterminedLater display:NO];
}
- (void)unhideSheet {
NSWindow* sheetWindow = [overlayWindow_ attachedSheet];
NSRect overlayFrame = [overlayWindow_ frame];
oldSheetFrame_.origin.x += NSMinX(overlayFrame);
oldSheetFrame_.origin.y += NSMinY(overlayFrame);
[sheetWindow setFrame:oldSheetFrame_ display:NO];
[[sheetWindow contentView] setAutoresizesSubviews:oldResizesSubviews_];
[[overlayWindow_ attachedSheet] setAlphaValue:1.0];
}
- (void)pulseSheet {
// NOOP
}
- (void)makeSheetKeyAndOrderFront {
[[overlayWindow_ attachedSheet] makeKeyAndOrderFront:nil];
}
- (void)updateSheetPosition {
// NOOP
}
- (void)onConstrainedWindowClosed {
panel_.reset();
constrainedWindow_.reset();
[self release];
}
@end
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