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/*
* Copyright (C) 2011 Google, 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 COMPUTER, 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 ContentSecurityPolicy_h
#define ContentSecurityPolicy_h
#include "KURL.h"
#include "ScriptState.h"
#include <wtf/PassOwnPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/Vector.h>
#include <wtf/text/TextPosition.h>
#include <wtf/text/WTFString.h>
namespace WTF {
class OrdinalNumber;
}
namespace WebCore {
class CSPDirectiveList;
class DOMStringList;
class ScriptExecutionContext;
class SecurityOrigin;
typedef int SandboxFlags;
typedef Vector<OwnPtr<CSPDirectiveList> > CSPDirectiveListVector;
class ContentSecurityPolicy {
WTF_MAKE_FAST_ALLOCATED;
public:
static PassOwnPtr<ContentSecurityPolicy> create(ScriptExecutionContext* scriptExecutionContext)
{
return adoptPtr(new ContentSecurityPolicy(scriptExecutionContext));
}
~ContentSecurityPolicy();
void copyStateFrom(const ContentSecurityPolicy*);
enum HeaderType {
Report,
Enforce,
PrefixedReport,
PrefixedEnforce
};
enum ReportingStatus {
SendReport,
SuppressReport
};
// Be sure to update the behavior of XSSAuditor::combineXSSProtectionHeaderAndCSP whenever you change this enum's content or ordering.
enum ReflectedXSSDisposition {
ReflectedXSSUnset = 0,
AllowReflectedXSS,
ReflectedXSSInvalid,
FilterReflectedXSS,
BlockReflectedXSS
};
void didReceiveHeader(const String&, HeaderType);
// These functions are wrong because they assume that there is only one header.
// FIXME: Replace them with functions that return vectors.
const String& deprecatedHeader() const;
HeaderType deprecatedHeaderType() const;
bool allowJavaScriptURLs(const String& contextURL, const WTF::OrdinalNumber& contextLine, ReportingStatus = SendReport) const;
bool allowInlineEventHandlers(const String& contextURL, const WTF::OrdinalNumber& contextLine, ReportingStatus = SendReport) const;
bool allowInlineScript(const String& contextURL, const WTF::OrdinalNumber& contextLine, ReportingStatus = SendReport) const;
bool allowInlineStyle(const String& contextURL, const WTF::OrdinalNumber& contextLine, ReportingStatus = SendReport) const;
bool allowEval(ScriptState* = 0, ReportingStatus = SendReport) const;
bool allowScriptNonce(const String& nonce, const String& contextURL, const WTF::OrdinalNumber& contextLine, const KURL& = KURL()) const;
bool allowPluginType(const String& type, const String& typeAttribute, const KURL&, ReportingStatus = SendReport) const;
bool allowScriptFromSource(const KURL&, ReportingStatus = SendReport) const;
bool allowObjectFromSource(const KURL&, ReportingStatus = SendReport) const;
bool allowChildFrameFromSource(const KURL&, ReportingStatus = SendReport) const;
bool allowImageFromSource(const KURL&, ReportingStatus = SendReport) const;
bool allowStyleFromSource(const KURL&, ReportingStatus = SendReport) const;
bool allowFontFromSource(const KURL&, ReportingStatus = SendReport) const;
bool allowMediaFromSource(const KURL&, ReportingStatus = SendReport) const;
bool allowConnectToSource(const KURL&, ReportingStatus = SendReport) const;
bool allowFormAction(const KURL&, ReportingStatus = SendReport) const;
bool allowBaseURI(const KURL&, ReportingStatus = SendReport) const;
ReflectedXSSDisposition reflectedXSSDisposition() const;
void setOverrideAllowInlineStyle(bool);
bool isActive() const;
void gatherReportURIs(DOMStringList&) const;
void reportDirectiveAsSourceExpression(const String& directiveName, const String& sourceExpression) const;
void reportDuplicateDirective(const String&) const;
void reportInvalidDirectiveValueCharacter(const String& directiveName, const String& value) const;
void reportInvalidPathCharacter(const String& directiveName, const String& value, const char) const;
void reportInvalidNonce(const String&) const;
void reportInvalidPluginTypes(const String&) const;
void reportInvalidSandboxFlags(const String&) const;
void reportInvalidSourceExpression(const String& directiveName, const String& source) const;
void reportInvalidReflectedXSS(const String&) const;
void reportMissingReportURI(const String&) const;
void reportUnsupportedDirective(const String&) const;
void reportViolation(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const KURL& blockedURL, const Vector<KURL>& reportURIs, const String& header, const String& contextURL = String(), const WTF::OrdinalNumber& contextLine = WTF::OrdinalNumber::beforeFirst(), ScriptState* = 0) const;
void reportBlockedScriptExecutionToInspector(const String& directiveText) const;
const KURL& url() const;
KURL completeURL(const String&) const;
SecurityOrigin* securityOrigin() const;
void enforceSandboxFlags(SandboxFlags) const;
String evalDisabledErrorMessage() const;
bool experimentalFeaturesEnabled() const;
private:
explicit ContentSecurityPolicy(ScriptExecutionContext*);
void logToConsole(const String& message, const String& contextURL = String(), const WTF::OrdinalNumber& contextLine = WTF::OrdinalNumber::beforeFirst(), ScriptState* = 0) const;
ScriptExecutionContext* m_scriptExecutionContext;
bool m_overrideInlineStyleAllowed;
CSPDirectiveListVector m_policies;
};
}
#endif
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