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/*
* Copyright (C) 2011 Google, Inc. All rights reserved.
* Copyright (C) 2016 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 GOOGLE 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 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.
*/
#ifndef ContentSecurityPolicyDirectiveList_h
#define ContentSecurityPolicyDirectiveList_h
#include "ContentSecurityPolicy.h"
#include "ContentSecurityPolicyMediaListDirective.h"
#include "ContentSecurityPolicySourceListDirective.h"
#include "URL.h"
#include <wtf/Noncopyable.h>
namespace WebCore {
bool isCSPDirectiveName(const String&);
class ContentSecurityPolicyDirectiveList {
WTF_MAKE_FAST_ALLOCATED;
WTF_MAKE_NONCOPYABLE(ContentSecurityPolicyDirectiveList)
public:
static std::unique_ptr<ContentSecurityPolicyDirectiveList> create(ContentSecurityPolicy&, const String&, ContentSecurityPolicyHeaderType, ContentSecurityPolicy::PolicyFrom);
ContentSecurityPolicyDirectiveList(ContentSecurityPolicy&, ContentSecurityPolicyHeaderType);
const String& header() const { return m_header; }
ContentSecurityPolicyHeaderType headerType() const { return m_headerType; }
bool allowJavaScriptURLs(const String& contextURL, const WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus) const;
bool allowInlineEventHandlers(const String& contextURL, const WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus) const;
bool allowInlineScript(const String& contextURL, const WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus) const;
bool allowInlineStyle(const String& contextURL, const WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus) const;
bool allowEval(JSC::ExecState*, ContentSecurityPolicy::ReportingStatus) const;
bool allowPluginType(const String& type, const String& typeAttribute, const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowScriptFromSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowObjectFromSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowChildFrameFromSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowChildContextFromSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowImageFromSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowStyleFromSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowFontFromSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowMediaFromSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowConnectToSource(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowFormAction(const URL&, ContentSecurityPolicy::ReportingStatus) const;
bool allowBaseURI(const URL&, ContentSecurityPolicy::ReportingStatus) const;
const String& evalDisabledErrorMessage() const { return m_evalDisabledErrorMessage; }
ContentSecurityPolicy::ReflectedXSSDisposition reflectedXSSDisposition() const { return m_reflectedXSSDisposition; }
bool isReportOnly() const { return m_reportOnly; }
const Vector<String>& reportURIs() const { return m_reportURIs; }
private:
void parse(const String&, ContentSecurityPolicy::PolicyFrom);
bool parseDirective(const UChar* begin, const UChar* end, String& name, String& value);
void parseReportURI(const String& name, const String& value);
void parsePluginTypes(const String& name, const String& value);
void parseReflectedXSS(const String& name, const String& value);
void addDirective(const String& name, const String& value);
void applySandboxPolicy(const String& name, const String& sandboxPolicy);
template <class CSPDirectiveType>
void setCSPDirective(const String& name, const String& value, std::unique_ptr<CSPDirectiveType>&);
ContentSecurityPolicySourceListDirective* operativeDirective(ContentSecurityPolicySourceListDirective*) const;
void reportViolation(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const URL& blockedURL = URL(), const String& contextURL = String(), const WTF::OrdinalNumber& contextLine = WTF::OrdinalNumber::beforeFirst(), JSC::ExecState* = nullptr) const;
bool checkEval(ContentSecurityPolicySourceListDirective*) const;
bool checkInline(ContentSecurityPolicySourceListDirective*) const;
bool checkSource(ContentSecurityPolicySourceListDirective*, const URL&) const;
bool checkMediaType(ContentSecurityPolicyMediaListDirective*, const String& type, const String& typeAttribute) const;
void setEvalDisabledErrorMessage(const String& errorMessage) { m_evalDisabledErrorMessage = errorMessage; }
bool checkEvalAndReportViolation(ContentSecurityPolicySourceListDirective*, const String& consoleMessage, const String& contextURL = String(), const WTF::OrdinalNumber& contextLine = WTF::OrdinalNumber::beforeFirst(), JSC::ExecState* = nullptr) const;
bool checkInlineAndReportViolation(ContentSecurityPolicySourceListDirective*, const String& consoleMessage, const String& contextURL, const WTF::OrdinalNumber& contextLine, bool isScript) const;
bool checkSourceAndReportViolation(ContentSecurityPolicySourceListDirective*, const URL&, const String& effectiveDirective) const;
bool checkMediaTypeAndReportViolation(ContentSecurityPolicyMediaListDirective*, const String& type, const String& typeAttribute, const String& consoleMessage) const;
bool denyIfEnforcingPolicy() const { return m_reportOnly; }
// FIXME: Make this a const reference once we teach applySandboxPolicy() to store its policy as opposed to applying it directly onto ContentSecurityPolicy.
ContentSecurityPolicy& m_policy;
String m_header;
ContentSecurityPolicyHeaderType m_headerType;
bool m_reportOnly;
bool m_haveSandboxPolicy;
ContentSecurityPolicy::ReflectedXSSDisposition m_reflectedXSSDisposition;
std::unique_ptr<ContentSecurityPolicyMediaListDirective> m_pluginTypes;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_baseURI;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_connectSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_childSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_defaultSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_fontSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_formAction;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_frameSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_imgSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_mediaSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_objectSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_scriptSrc;
std::unique_ptr<ContentSecurityPolicySourceListDirective> m_styleSrc;
Vector<String> m_reportURIs;
String m_evalDisabledErrorMessage;
};
} // namespace WebCore
#endif /* ContentSecurityPolicyDirectiveList_h */
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