1 /*
2 * Copyright (C) 2012 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "core/loader/MixedContentChecker.h"
31
32 #include "core/dom/Document.h"
33 #include "core/loader/FrameLoader.h"
34 #include "core/loader/FrameLoaderClient.h"
35 #include "core/frame/Frame.h"
36 #include "core/frame/Settings.h"
37 #include "platform/weborigin/SecurityOrigin.h"
38
39 namespace WebCore {
40
MixedContentChecker(Frame * frame)41 MixedContentChecker::MixedContentChecker(Frame* frame)
42 : m_frame(frame)
43 {
44 }
45
client() const46 FrameLoaderClient* MixedContentChecker::client() const
47 {
48 return m_frame->loader().client();
49 }
50
51 // static
isMixedContent(SecurityOrigin * securityOrigin,const KURL & url)52 bool MixedContentChecker::isMixedContent(SecurityOrigin* securityOrigin, const KURL& url)
53 {
54 if (securityOrigin->protocol() != "https")
55 return false; // We only care about HTTPS security origins.
56
57 // We're in a secure context, so |url| is mixed content if it's insecure.
58 return !SecurityOrigin::isSecure(url);
59 }
60
canDisplayInsecureContent(SecurityOrigin * securityOrigin,const KURL & url) const61 bool MixedContentChecker::canDisplayInsecureContent(SecurityOrigin* securityOrigin, const KURL& url) const
62 {
63 if (!isMixedContent(securityOrigin, url))
64 return true;
65
66 Settings* settings = m_frame->settings();
67 bool allowed = client()->allowDisplayingInsecureContent(settings && settings->allowDisplayOfInsecureContent(), securityOrigin, url);
68 logWarning(allowed, "displayed", url);
69
70 if (allowed)
71 client()->didDisplayInsecureContent();
72
73 return allowed;
74 }
75
canRunInsecureContent(SecurityOrigin * securityOrigin,const KURL & url) const76 bool MixedContentChecker::canRunInsecureContent(SecurityOrigin* securityOrigin, const KURL& url) const
77 {
78 if (!isMixedContent(securityOrigin, url))
79 return true;
80
81 Settings* settings = m_frame->settings();
82 bool allowed = client()->allowRunningInsecureContent(settings && settings->allowRunningOfInsecureContent(), securityOrigin, url);
83 logWarning(allowed, "ran", url);
84
85 if (allowed)
86 client()->didRunInsecureContent(securityOrigin, url);
87
88 return allowed;
89 }
90
logWarning(bool allowed,const String & action,const KURL & target) const91 void MixedContentChecker::logWarning(bool allowed, const String& action, const KURL& target) const
92 {
93 String message = String(allowed ? "" : "[blocked] ") + "The page at '" + m_frame->document()->url().elidedString() + "' was loaded over HTTPS, but " + action + " insecure content from '" + target.elidedString() + "': this content should also be loaded over HTTPS.\n";
94 MessageLevel messageLevel = allowed ? WarningMessageLevel : ErrorMessageLevel;
95 m_frame->document()->addConsoleMessage(SecurityMessageSource, messageLevel, message);
96 }
97
98 } // namespace WebCore
99