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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef MixedContentChecker_h
32#define MixedContentChecker_h
33
34#include "platform/heap/Handle.h"
35#include "public/platform/WebURLRequest.h"
36#include "wtf/text/WTFString.h"
37
38namespace blink {
39
40class FrameLoaderClient;
41class LocalFrame;
42class KURL;
43class SecurityOrigin;
44
45class MixedContentChecker FINAL {
46    WTF_MAKE_NONCOPYABLE(MixedContentChecker);
47    DISALLOW_ALLOCATION();
48public:
49    explicit MixedContentChecker(LocalFrame*);
50
51    static bool shouldBlockFetch(LocalFrame*, const ResourceRequest&, const KURL&);
52
53    bool canDisplayInsecureContent(SecurityOrigin* securityOrigin, const KURL& url) const
54    {
55        return canDisplayInsecureContentInternal(securityOrigin, url, MixedContentChecker::Display);
56    }
57
58    bool canRunInsecureContent(SecurityOrigin* securityOrigin, const KURL& url) const
59    {
60        return canRunInsecureContentInternal(securityOrigin, url, MixedContentChecker::Execution);
61    }
62
63    bool canSubmitToInsecureForm(SecurityOrigin*, const KURL&) const;
64    bool canConnectInsecureWebSocket(SecurityOrigin*, const KURL&) const;
65    bool canFrameInsecureContent(SecurityOrigin*, const KURL&) const;
66    static bool isMixedContent(SecurityOrigin*, const KURL&);
67
68    static void checkMixedPrivatePublic(LocalFrame*, const AtomicString& resourceIPAddress);
69
70    void trace(Visitor*);
71
72private:
73    enum MixedContentType {
74        Display,
75        Execution,
76        WebSocket,
77        Submission
78    };
79
80    enum ContextType {
81        ContextTypeBlockable,
82        ContextTypeOptionallyBlockable,
83        ContextTypeShouldBeBlockable,
84        ContextTypeBlockableUnlessLax
85    };
86
87    static ContextType contextTypeFromContext(WebURLRequest::RequestContext);
88    static const char* typeNameFromContext(WebURLRequest::RequestContext);
89    static void logToConsole(LocalFrame*, const KURL&, WebURLRequest::RequestContext, bool allowed);
90
91    // FIXME: This should probably have a separate client from FrameLoader.
92    FrameLoaderClient* client() const;
93
94    bool canDisplayInsecureContentInternal(SecurityOrigin*, const KURL&, const MixedContentType) const;
95
96    bool canRunInsecureContentInternal(SecurityOrigin*, const KURL&, const MixedContentType) const;
97
98    void logWarning(bool allowed, const KURL& i, const MixedContentType) const;
99
100    RawPtrWillBeMember<LocalFrame> m_frame;
101};
102
103} // namespace blink
104
105#endif // MixedContentChecker_h
106