Extract CSPDirectiveList from ContentSecurityPolicy.

Source/core/frame/ContentSecurityPolicy.cpp

 /*
  * 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
@@ skipping 17 matching lines @@
 
 #include "RuntimeEnabledFeatures.h"
 #include "bindings/v8/ScriptCallStackFactory.h"
 #include "bindings/v8/ScriptController.h"
 #include "core/dom/DOMStringList.h"
 #include "core/dom/Document.h"
 #include "core/events/SecurityPolicyViolationEvent.h"
 #include "core/frame/DOMWindow.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/UseCounter.h"
+#include "core/frame/csp/CSPDirectiveList.h"
 #include "core/frame/csp/CSPSource.h"
 #include "core/frame/csp/CSPSourceList.h"
 #include "core/frame/csp/MediaListDirective.h"
 #include "core/frame/csp/SourceListDirective.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/PingLoader.h"
 #include "platform/JSONValues.h"
 #include "platform/NotImplemented.h"
@@ skipping 10 matching lines @@
 #include "public/platform/WebArrayBuffer.h"
 #include "public/platform/WebCrypto.h"
 #include "public/platform/WebCryptoAlgorithm.h"
 #include "wtf/HashMap.h"
 #include "wtf/StringHasher.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace WebCore {
 
 // CSP 1.0 Directives
-static const char connectSrc[] = "connect-src";
-static const char defaultSrc[] = "default-src";
-static const char fontSrc[] = "font-src";
-static const char frameSrc[] = "frame-src";
-static const char imgSrc[] = "img-src";
-static const char mediaSrc[] = "media-src";
-static const char objectSrc[] = "object-src";
-static const char reportURI[] = "report-uri";
-static const char sandbox[] = "sandbox";
-static const char scriptSrc[] = "script-src";
-static const char styleSrc[] = "style-src";
+const char ContentSecurityPolicy::ConnectSrc[] = "connect-src";
+const char ContentSecurityPolicy::DefaultSrc[] = "default-src";
+const char ContentSecurityPolicy::FontSrc[] = "font-src";
+const char ContentSecurityPolicy::FrameSrc[] = "frame-src";
+const char ContentSecurityPolicy::ImgSrc[] = "img-src";
+const char ContentSecurityPolicy::MediaSrc[] = "media-src";
+const char ContentSecurityPolicy::ObjectSrc[] = "object-src";
+const char ContentSecurityPolicy::ReportURI[] = "report-uri";
+const char ContentSecurityPolicy::Sandbox[] = "sandbox";
+const char ContentSecurityPolicy::ScriptSrc[] = "script-src";
+const char ContentSecurityPolicy::StyleSrc[] = "style-src";
 
 // CSP 1.1 Directives
-static const char baseURI[] = "base-uri";
-static const char childSrc[] = "child-src";
-static const char formAction[] = "form-action";
-static const char frameAncestors[] = "frame-ancestors";
-static const char pluginTypes[] = "plugin-types";
-static const char reflectedXSS[] = "reflected-xss";
-static const char referrer[] = "referrer";
+const char ContentSecurityPolicy::BaseURI[] = "base-uri";
+const char ContentSecurityPolicy::ChildSrc[] = "child-src";
+const char ContentSecurityPolicy::FormAction[] = "form-action";
+const char ContentSecurityPolicy::FrameAncestors[] = "frame-ancestors";
+const char ContentSecurityPolicy::PluginTypes[] = "plugin-types";
+const char ContentSecurityPolicy::ReflectedXSS[] = "reflected-xss";
+const char ContentSecurityPolicy::Referrer[] = "referrer";
 
 bool ContentSecurityPolicy::isDirectiveName(const String& name)
 {
-    return (equalIgnoringCase(name, connectSrc)
-        || equalIgnoringCase(name, defaultSrc)
-        || equalIgnoringCase(name, fontSrc)
-        || equalIgnoringCase(name, frameSrc)
-        || equalIgnoringCase(name, imgSrc)
-        || equalIgnoringCase(name, mediaSrc)
-        || equalIgnoringCase(name, objectSrc)
-        || equalIgnoringCase(name, reportURI)
-        || equalIgnoringCase(name, sandbox)
-        || equalIgnoringCase(name, scriptSrc)
-        || equalIgnoringCase(name, styleSrc)
-        || equalIgnoringCase(name, baseURI)
-        || equalIgnoringCase(name, childSrc)
-        || equalIgnoringCase(name, formAction)
-        || equalIgnoringCase(name, frameAncestors)
-        || equalIgnoringCase(name, pluginTypes)
-        || equalIgnoringCase(name, reflectedXSS)
-        || equalIgnoringCase(name, referrer)
+    return (equalIgnoringCase(name, ConnectSrc)
+        || equalIgnoringCase(name, DefaultSrc)

[kenneth.r.christiansen, 2014/03/04 10:45:24]

We are getting quite many here... :-) I was wondering whether we could use some
tricks like the SWITCH/CASE from CSSParser-in.cpp... but probably not worth it
yet. We have similar code in the media query code

+        || equalIgnoringCase(name, FontSrc)
+        || equalIgnoringCase(name, FrameSrc)
+        || equalIgnoringCase(name, ImgSrc)
+        || equalIgnoringCase(name, MediaSrc)
+        || equalIgnoringCase(name, ObjectSrc)
+        || equalIgnoringCase(name, ReportURI)
+        || equalIgnoringCase(name, Sandbox)
+        || equalIgnoringCase(name, ScriptSrc)
+        || equalIgnoringCase(name, StyleSrc)
+        || equalIgnoringCase(name, BaseURI)
+        || equalIgnoringCase(name, ChildSrc)
+        || equalIgnoringCase(name, FormAction)
+        || equalIgnoringCase(name, FrameAncestors)
+        || equalIgnoringCase(name, PluginTypes)
+        || equalIgnoringCase(name, ReflectedXSS)
+        || equalIgnoringCase(name, Referrer)
     );
 }
 
 static UseCounter::Feature getUseCounterType(ContentSecurityPolicyHeaderType type)
 {
     switch (type) {
     case ContentSecurityPolicyHeaderTypeEnforce:
         return UseCounter::ContentSecurityPolicy;
     case ContentSecurityPolicyHeaderTypeReport:
         return UseCounter::ContentSecurityPolicyReportOnly;
     }
     ASSERT_NOT_REACHED();
     return UseCounter::NumberOfFeatures;
 }
 
 static ReferrerPolicy mergeReferrerPolicies(ReferrerPolicy a, ReferrerPolicy b)
 {
     if (a != b)
         return ReferrerPolicyNever;
     return a;
 }
 
-class CSPDirectiveList {
-    WTF_MAKE_FAST_ALLOCATED;
-public:
-    static PassOwnPtr<CSPDirectiveList> create(ContentSecurityPolicy*, const UChar* begin, const UChar* end, ContentSecurityPolicyHeaderType, ContentSecurityPolicyHeaderSource);
-
-    void parse(const UChar* begin, const UChar* end);
-
-    const String& header() const { return m_header; }
-    ContentSecurityPolicyHeaderType headerType() const { return m_headerType; }
-    ContentSecurityPolicyHeaderSource headerSource() const { return m_headerSource; }
-
-    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(ScriptState*, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowPluginType(const String& type, const String& typeAttribute, const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-
-    bool allowScriptFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowObjectFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowChildFrameFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowImageFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowStyleFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowFontFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowMediaFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowConnectToSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowFormAction(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowBaseURI(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowAncestors(LocalFrame*, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowChildContextFromSource(const KURL&, ContentSecurityPolicy::ReportingStatus) const;
-    bool allowScriptNonce(const String&) const;
-    bool allowStyleNonce(const String&) const;
-    bool allowScriptHash(const CSPHashValue&) const;
-    bool allowStyleHash(const CSPHashValue&) const;
-
-    const String& evalDisabledErrorMessage() const { return m_evalDisabledErrorMessage; }
-    ReflectedXSSDisposition reflectedXSSDisposition() const { return m_reflectedXSSDisposition; }
-    ReferrerPolicy referrerPolicy() const { return m_referrerPolicy; }
-    bool didSetReferrerPolicy() const { return m_didSetReferrerPolicy; }
-    bool isReportOnly() const { return m_reportOnly; }
-    const Vector<KURL>& reportURIs() const { return m_reportURIs; }
-
-private:
-    CSPDirectiveList(ContentSecurityPolicy*, ContentSecurityPolicyHeaderType, ContentSecurityPolicyHeaderSource);
-
-    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 parseReferrer(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, OwnPtr<CSPDirectiveType>&);
-
-    SourceListDirective* operativeDirective(SourceListDirective*) const;
-    SourceListDirective* operativeDirective(SourceListDirective*, SourceListDirective* override) const;
-    void reportViolation(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const KURL& blockedURL) const;
-    void reportViolationWithLocation(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const KURL& blockedURL, const String& contextURL, const WTF::OrdinalNumber& contextLine) const;
-    void reportViolationWithState(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const KURL& blockedURL, ScriptState*) const;
-
-    bool checkEval(SourceListDirective*) const;
-    bool checkInline(SourceListDirective*) const;
-    bool checkNonce(SourceListDirective*, const String&) const;
-    bool checkHash(SourceListDirective*, const CSPHashValue&) const;
-    bool checkSource(SourceListDirective*, const KURL&) const;
-    bool checkMediaType(MediaListDirective*, const String& type, const String& typeAttribute) const;
-    bool checkAncestors(SourceListDirective*, LocalFrame*) const;
-
-    void setEvalDisabledErrorMessage(const String& errorMessage) { m_evalDisabledErrorMessage = errorMessage; }
-
-    bool checkEvalAndReportViolation(SourceListDirective*, const String& consoleMessage, ScriptState*) const;
-    bool checkInlineAndReportViolation(SourceListDirective*, const String& consoleMessage, const String& contextURL, const WTF::OrdinalNumber& contextLine, bool isScript) const;
-
-    bool checkSourceAndReportViolation(SourceListDirective*, const KURL&, const String& effectiveDirective) const;
-    bool checkMediaTypeAndReportViolation(MediaListDirective*, const String& type, const String& typeAttribute, const String& consoleMessage) const;
-    bool checkAncestorsAndReportViolation(SourceListDirective*, LocalFrame*) const;
-
-    bool denyIfEnforcingPolicy() const { return m_reportOnly; }
-
-    ContentSecurityPolicy* m_policy;
-
-    String m_header;
-    ContentSecurityPolicyHeaderType m_headerType;
-    ContentSecurityPolicyHeaderSource m_headerSource;
-
-    bool m_reportOnly;
-    bool m_haveSandboxPolicy;
-    ReflectedXSSDisposition m_reflectedXSSDisposition;
-
-    bool m_didSetReferrerPolicy;
-    ReferrerPolicy m_referrerPolicy;
-
-    OwnPtr<MediaListDirective> m_pluginTypes;
-    OwnPtr<SourceListDirective> m_baseURI;
-    OwnPtr<SourceListDirective> m_childSrc;
-    OwnPtr<SourceListDirective> m_connectSrc;
-    OwnPtr<SourceListDirective> m_defaultSrc;
-    OwnPtr<SourceListDirective> m_fontSrc;
-    OwnPtr<SourceListDirective> m_formAction;
-    OwnPtr<SourceListDirective> m_frameAncestors;
-    OwnPtr<SourceListDirective> m_frameSrc;
-    OwnPtr<SourceListDirective> m_imgSrc;
-    OwnPtr<SourceListDirective> m_mediaSrc;
-    OwnPtr<SourceListDirective> m_objectSrc;
-    OwnPtr<SourceListDirective> m_scriptSrc;
-    OwnPtr<SourceListDirective> m_styleSrc;
-
-    Vector<KURL> m_reportURIs;
-
-    String m_evalDisabledErrorMessage;
-};
-
-CSPDirectiveList::CSPDirectiveList(ContentSecurityPolicy* policy, ContentSecurityPolicyHeaderType type, ContentSecurityPolicyHeaderSource source)
-    : m_policy(policy)
-    , m_headerType(type)
-    , m_headerSource(source)
-    , m_reportOnly(false)
-    , m_haveSandboxPolicy(false)
-    , m_reflectedXSSDisposition(ReflectedXSSUnset)
-    , m_didSetReferrerPolicy(false)
-    , m_referrerPolicy(ReferrerPolicyDefault)
-{
-    m_reportOnly = type == ContentSecurityPolicyHeaderTypeReport;
-}
-
-PassOwnPtr<CSPDirectiveList> CSPDirectiveList::create(ContentSecurityPolicy* policy, const UChar* begin, const UChar* end, ContentSecurityPolicyHeaderType type, ContentSecurityPolicyHeaderSource source)
-{
-    OwnPtr<CSPDirectiveList> directives = adoptPtr(new CSPDirectiveList(policy, type, source));
-    directives->parse(begin, end);
-
-    if (!directives->checkEval(directives->operativeDirective(directives->m_scriptSrc.get()))) {
-        String message = "Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: \"" + directives->operativeDirective(directives->m_scriptSrc.get())->text() + "\".\n";
-        directives->setEvalDisabledErrorMessage(message);
-    }
-
-    if (directives->isReportOnly() && directives->reportURIs().isEmpty())
-        policy->reportMissingReportURI(String(begin, end - begin));
-
-    return directives.release();
-}
-
-void CSPDirectiveList::reportViolation(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const KURL& blockedURL) const
-{
-    String message = m_reportOnly ? "[Report Only] " + consoleMessage : consoleMessage;
-    m_policy->client()->addConsoleMessage(SecurityMessageSource, ErrorMessageLevel, message);
-    m_policy->reportViolation(directiveText, effectiveDirective, message, blockedURL, m_reportURIs, m_header);
-}
-
-void CSPDirectiveList::reportViolationWithLocation(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const KURL& blockedURL, const String& contextURL, const WTF::OrdinalNumber& contextLine) const
-{
-    String message = m_reportOnly ? "[Report Only] " + consoleMessage : consoleMessage;
-    m_policy->client()->addConsoleMessage(SecurityMessageSource, ErrorMessageLevel, message, contextURL, contextLine.oneBasedInt());
-    m_policy->reportViolation(directiveText, effectiveDirective, message, blockedURL, m_reportURIs, m_header);
-}
-
-void CSPDirectiveList::reportViolationWithState(const String& directiveText, const String& effectiveDirective, const String& consoleMessage, const KURL& blockedURL, ScriptState* state) const
-{
-    String message = m_reportOnly ? "[Report Only] " + consoleMessage : consoleMessage;
-    m_policy->client()->addConsoleMessage(SecurityMessageSource, ErrorMessageLevel, message, state);
-    m_policy->reportViolation(directiveText, effectiveDirective, message, blockedURL, m_reportURIs, m_header);
-}
-
-bool CSPDirectiveList::checkEval(SourceListDirective* directive) const
-{
-    return !directive || directive->allowEval();
-}
-
-bool CSPDirectiveList::checkInline(SourceListDirective* directive) const
-{
-    return !directive || (directive->allowInline() && !directive->isHashOrNoncePresent());
-}
-
-bool CSPDirectiveList::checkNonce(SourceListDirective* directive, const String& nonce) const
-{
-    return !directive || directive->allowNonce(nonce);
-}
-
-bool CSPDirectiveList::checkHash(SourceListDirective* directive, const CSPHashValue& hashValue) const
-{
-    return !directive || directive->allowHash(hashValue);
-}
-
-bool CSPDirectiveList::checkSource(SourceListDirective* directive, const KURL& url) const
-{
-    return !directive || directive->allows(url);
-}
-
-bool CSPDirectiveList::checkAncestors(SourceListDirective* directive, LocalFrame* frame) const
-{
-    if (!frame || !directive)
-        return true;
-
-    for (LocalFrame* current = frame->tree().parent(); current; current = current->tree().parent()) {
-        if (!directive->allows(current->document()->url()))
-            return false;
-    }
-    return true;
-}
-
-bool CSPDirectiveList::checkMediaType(MediaListDirective* directive, const String& type, const String& typeAttribute) const
-{
-    if (!directive)
-        return true;
-    if (typeAttribute.isEmpty() || typeAttribute.stripWhiteSpace() != type)
-        return false;
-    return directive->allows(type);
-}
-
-SourceListDirective* CSPDirectiveList::operativeDirective(SourceListDirective* directive) const
-{
-    return directive ? directive : m_defaultSrc.get();
-}
-
-SourceListDirective* CSPDirectiveList::operativeDirective(SourceListDirective* directive, SourceListDirective* override) const
-{
-    return directive ? directive : override;
-}
-
-bool CSPDirectiveList::checkEvalAndReportViolation(SourceListDirective* directive, const String& consoleMessage, ScriptState* state) const
-{
-    if (checkEval(directive))
-        return true;
-
-    String suffix = String();
-    if (directive == m_defaultSrc)
-        suffix = " Note that 'script-src' was not explicitly set, so 'default-src' is used as a fallback.";
-
-    reportViolationWithState(directive->text(), scriptSrc, consoleMessage + "\"" + directive->text() + "\"." + suffix + "\n", KURL(), state);
-    if (!m_reportOnly) {
-        m_policy->reportBlockedScriptExecutionToInspector(directive->text());
-        return false;
-    }
-    return true;
-}
-
-bool CSPDirectiveList::checkMediaTypeAndReportViolation(MediaListDirective* directive, const String& type, const String& typeAttribute, const String& consoleMessage) const
-{
-    if (checkMediaType(directive, type, typeAttribute))
-        return true;
-
-    String message = consoleMessage + "\'" + directive->text() + "\'.";
-    if (typeAttribute.isEmpty())
-        message = message + " When enforcing the 'plugin-types' directive, the plugin's media type must be explicitly declared with a 'type' attribute on the containing element (e.g. '<object type=\"[TYPE GOES HERE]\" ...>').";
-
-    reportViolation(directive->text(), pluginTypes, message + "\n", KURL());
-    return denyIfEnforcingPolicy();
-}
-
-bool CSPDirectiveList::checkInlineAndReportViolation(SourceListDirective* directive, const String& consoleMessage, const String& contextURL, const WTF::OrdinalNumber& contextLine, bool isScript) const
-{
-    if (checkInline(directive))
-        return true;
-
-    String suffix = String();
-    if (directive->allowInline() && directive->isHashOrNoncePresent()) {
-        // If inline is allowed, but a hash or nonce is present, we ignore 'unsafe-inline'. Throw a reasonable error.
-        suffix = " Note that 'unsafe-inline' is ignored if either a hash or nonce value is present in the source list.";
-    } else {
-        suffix = " Either the 'unsafe-inline' keyword, a hash ('sha256-...'), or a nonce ('nonce-...') is required to enable inline execution.";
-        if (directive == m_defaultSrc)
-            suffix = suffix + " Note also that '" + String(isScript ? "script" : "style") + "-src' was not explicitly set, so 'default-src' is used as a fallback.";
-    }
-
-    reportViolationWithLocation(directive->text(), isScript ? scriptSrc : styleSrc, consoleMessage + "\"" + directive->text() + "\"." + suffix + "\n", KURL(), contextURL, contextLine);
-
-    if (!m_reportOnly) {
-        if (isScript)
-            m_policy->reportBlockedScriptExecutionToInspector(directive->text());
-        return false;
-    }
-    return true;
-}
-
-bool CSPDirectiveList::checkSourceAndReportViolation(SourceListDirective* directive, const KURL& url, const String& effectiveDirective) const
-{
-    if (checkSource(directive, url))
-        return true;
-
-    String prefix;
-    if (baseURI == effectiveDirective)
-        prefix = "Refused to set the document's base URI to '";
-    else if (childSrc == effectiveDirective)
-        prefix = "Refused to create a child context containing '";
-    else if (connectSrc == effectiveDirective)
-        prefix = "Refused to connect to '";
-    else if (fontSrc == effectiveDirective)
-        prefix = "Refused to load the font '";
-    else if (formAction == effectiveDirective)
-        prefix = "Refused to send form data to '";
-    else if (frameSrc == effectiveDirective)
-        prefix = "Refused to frame '";
-    else if (imgSrc == effectiveDirective)
-        prefix = "Refused to load the image '";
-    else if (mediaSrc == effectiveDirective)
-        prefix = "Refused to load media from '";
-    else if (objectSrc == effectiveDirective)
-        prefix = "Refused to load plugin data from '";
-    else if (scriptSrc == effectiveDirective)
-        prefix = "Refused to load the script '";
-    else if (styleSrc == effectiveDirective)
-        prefix = "Refused to load the stylesheet '";
-
-    String suffix = String();
-    if (directive == m_defaultSrc)
-        suffix = " Note that '" + effectiveDirective + "' was not explicitly set, so 'default-src' is used as a fallback.";
-
-    reportViolation(directive->text(), effectiveDirective, prefix + url.elidedString() + "' because it violates the following Content Security Policy directive: \"" + directive->text() + "\"." + suffix + "\n", url);
-    return denyIfEnforcingPolicy();
-}
-
-bool CSPDirectiveList::checkAncestorsAndReportViolation(SourceListDirective* directive, LocalFrame* frame) const
-{
-    if (checkAncestors(directive, frame))
-        return true;
-
-    reportViolation(directive->text(), "frame-ancestors", "Refused to display '" + frame->document()->url().elidedString() + " in a frame because an ancestor violates the following Content Security Policy directive: \"" + directive->text() + "\".", frame->document()->url());
-    return denyIfEnforcingPolicy();
-}
-
-bool CSPDirectiveList::allowJavaScriptURLs(const String& contextURL, const WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to execute JavaScript URL because it violates the following Content Security Policy directive: "));
-    if (reportingStatus == ContentSecurityPolicy::SendReport)
-        return checkInlineAndReportViolation(operativeDirective(m_scriptSrc.get()), consoleMessage, contextURL, contextLine, true);
-
-    return checkInline(operativeDirective(m_scriptSrc.get()));
-}
-
-bool CSPDirectiveList::allowInlineEventHandlers(const String& contextURL, const WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to execute inline event handler because it violates the following Content Security Policy directive: "));
-    if (reportingStatus == ContentSecurityPolicy::SendReport)
-        return checkInlineAndReportViolation(operativeDirective(m_scriptSrc.get()), consoleMessage, contextURL, contextLine, true);
-    return checkInline(operativeDirective(m_scriptSrc.get()));
-}
-
-bool CSPDirectiveList::allowInlineScript(const String& contextURL, const WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to execute inline script because it violates the following Content Security Policy directive: "));
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkInlineAndReportViolation(operativeDirective(m_scriptSrc.get()), consoleMessage, contextURL, contextLine, true) :
-        checkInline(operativeDirective(m_scriptSrc.get()));
-}
-
-bool CSPDirectiveList::allowInlineStyle(const String& contextURL, const WTF::OrdinalNumber& contextLine, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to apply inline style because it violates the following Content Security Policy directive: "));
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkInlineAndReportViolation(operativeDirective(m_styleSrc.get()), consoleMessage, contextURL, contextLine, false) :
-        checkInline(operativeDirective(m_styleSrc.get()));
-}
-
-bool CSPDirectiveList::allowEval(ScriptState* state, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    DEFINE_STATIC_LOCAL(String, consoleMessage, ("Refused to evaluate a string as JavaScript because 'unsafe-eval' is not an allowed source of script in the following Content Security Policy directive: "));
-
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkEvalAndReportViolation(operativeDirective(m_scriptSrc.get()), consoleMessage, state) :
-        checkEval(operativeDirective(m_scriptSrc.get()));
-}
-
-bool CSPDirectiveList::allowPluginType(const String& type, const String& typeAttribute, const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkMediaTypeAndReportViolation(m_pluginTypes.get(), type, typeAttribute, "Refused to load '" + url.elidedString() + "' (MIME type '" + typeAttribute + "') because it violates the following Content Security Policy Directive: ") :
-        checkMediaType(m_pluginTypes.get(), type, typeAttribute);
-}
-
-bool CSPDirectiveList::allowScriptFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(operativeDirective(m_scriptSrc.get()), url, scriptSrc) :
-        checkSource(operativeDirective(m_scriptSrc.get()), url);
-}
-
-bool CSPDirectiveList::allowObjectFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    if (url.isBlankURL())
-        return true;
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(operativeDirective(m_objectSrc.get()), url, objectSrc) :
-        checkSource(operativeDirective(m_objectSrc.get()), url);
-}
-
-bool CSPDirectiveList::allowChildFrameFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    if (url.isBlankURL())
-        return true;
-
-    // 'frame-src' is the only directive which overrides something other than the default sources.
-    // It overrides 'child-src', which overrides the default sources. So, we do this nested set
-    // of calls to 'operativeDirective()' to grab 'frame-src' if it exists, 'child-src' if it
-    // doesn't, and 'defaut-src' if neither are available.
-    //
-    // All of this only applies, of course, if we're in CSP 1.1. In CSP 1.0, 'frame-src'
-    // overrides 'default-src' directly.
-    SourceListDirective* whichDirective = m_policy->experimentalFeaturesEnabled() ?
-        operativeDirective(m_frameSrc.get(), operativeDirective(m_childSrc.get())) :
-        operativeDirective(m_frameSrc.get());
-
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(whichDirective, url, frameSrc) :
-        checkSource(whichDirective, url);
-}
-
-bool CSPDirectiveList::allowImageFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(operativeDirective(m_imgSrc.get()), url, imgSrc) :
-        checkSource(operativeDirective(m_imgSrc.get()), url);
-}
-
-bool CSPDirectiveList::allowStyleFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(operativeDirective(m_styleSrc.get()), url, styleSrc) :
-        checkSource(operativeDirective(m_styleSrc.get()), url);
-}
-
-bool CSPDirectiveList::allowFontFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(operativeDirective(m_fontSrc.get()), url, fontSrc) :
-        checkSource(operativeDirective(m_fontSrc.get()), url);
-}
-
-bool CSPDirectiveList::allowMediaFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(operativeDirective(m_mediaSrc.get()), url, mediaSrc) :
-        checkSource(operativeDirective(m_mediaSrc.get()), url);
-}
-
-bool CSPDirectiveList::allowConnectToSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(operativeDirective(m_connectSrc.get()), url, connectSrc) :
-        checkSource(operativeDirective(m_connectSrc.get()), url);
-}
-
-bool CSPDirectiveList::allowFormAction(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(m_formAction.get(), url, formAction) :
-        checkSource(m_formAction.get(), url);
-}
-
-bool CSPDirectiveList::allowBaseURI(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(m_baseURI.get(), url, baseURI) :
-        checkSource(m_baseURI.get(), url);
-}
-
-bool CSPDirectiveList::allowAncestors(LocalFrame* frame, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkAncestorsAndReportViolation(m_frameAncestors.get(), frame) :
-        checkAncestors(m_frameAncestors.get(), frame);
-}
-
-bool CSPDirectiveList::allowChildContextFromSource(const KURL& url, ContentSecurityPolicy::ReportingStatus reportingStatus) const
-{
-    return reportingStatus == ContentSecurityPolicy::SendReport ?
-        checkSourceAndReportViolation(operativeDirective(m_childSrc.get()), url, childSrc) :
-        checkSource(operativeDirective(m_childSrc.get()), url);
-}
-
-bool CSPDirectiveList::allowScriptNonce(const String& nonce) const
-{
-    return checkNonce(operativeDirective(m_scriptSrc.get()), nonce);
-}
-
-bool CSPDirectiveList::allowStyleNonce(const String& nonce) const
-{
-    return checkNonce(operativeDirective(m_styleSrc.get()), nonce);
-}
-
-bool CSPDirectiveList::allowScriptHash(const CSPHashValue& hashValue) const
-{
-    return checkHash(operativeDirective(m_scriptSrc.get()), hashValue);
-}
-
-bool CSPDirectiveList::allowStyleHash(const CSPHashValue& hashValue) const
-{
-    return checkHash(operativeDirective(m_styleSrc.get()), hashValue);
-}
-
-// policy            = directive-list
-// directive-list    = [ directive *( ";" [ directive ] ) ]
-//
-void CSPDirectiveList::parse(const UChar* begin, const UChar* end)
-{
-    m_header = String(begin, end - begin);
-
-    if (begin == end)
-        return;
-
-    const UChar* position = begin;
-    while (position < end) {
-        const UChar* directiveBegin = position;
-        skipUntil<UChar>(position, end, ';');
-
-        String name, value;
-        if (parseDirective(directiveBegin, position, name, value)) {
-            ASSERT(!name.isEmpty());
-            addDirective(name, value);
-        }
-
-        ASSERT(position == end || *position == ';');
-        skipExactly<UChar>(position, end, ';');
-    }
-}
-
-// directive         = *WSP [ directive-name [ WSP directive-value ] ]
-// directive-name    = 1*( ALPHA / DIGIT / "-" )
-// directive-value   = *( WSP / <VCHAR except ";"> )
-//
-bool CSPDirectiveList::parseDirective(const UChar* begin, const UChar* end, String& name, String& value)
-{
-    ASSERT(name.isEmpty());
-    ASSERT(value.isEmpty());
-
-    const UChar* position = begin;
-    skipWhile<UChar, isASCIISpace>(position, end);
-
-    // Empty directive (e.g. ";;;"). Exit early.
-    if (position == end)
-        return false;
-
-    const UChar* nameBegin = position;
-    skipWhile<UChar, isCSPDirectiveNameCharacter>(position, end);
-
-    // The directive-name must be non-empty.
-    if (nameBegin == position) {
-        skipWhile<UChar, isNotASCIISpace>(position, end);
-        m_policy->reportUnsupportedDirective(String(nameBegin, position - nameBegin));
-        return false;
-    }
-
-    name = String(nameBegin, position - nameBegin);
-
-    if (position == end)
-        return true;
-
-    if (!skipExactly<UChar, isASCIISpace>(position, end)) {
-        skipWhile<UChar, isNotASCIISpace>(position, end);
-        m_policy->reportUnsupportedDirective(String(nameBegin, position - nameBegin));
-        return false;
-    }
-
-    skipWhile<UChar, isASCIISpace>(position, end);
-
-    const UChar* valueBegin = position;
-    skipWhile<UChar, isCSPDirectiveValueCharacter>(position, end);
-
-    if (position != end) {
-        m_policy->reportInvalidDirectiveValueCharacter(name, String(valueBegin, end - valueBegin));
-        return false;
-    }
-
-    // The directive-value may be empty.
-    if (valueBegin == position)
-        return true;
-
-    value = String(valueBegin, position - valueBegin);
-    return true;
-}
-
-void CSPDirectiveList::parseReportURI(const String& name, const String& value)
-{
-    if (!m_reportURIs.isEmpty()) {
-        m_policy->reportDuplicateDirective(name);
-        return;
-    }
-
-    Vector<UChar> characters;
-    value.appendTo(characters);
-
-    const UChar* position = characters.data();
-    const UChar* end = position + characters.size();
-
-    while (position < end) {
-        skipWhile<UChar, isASCIISpace>(position, end);
-
-        const UChar* urlBegin = position;
-        skipWhile<UChar, isNotASCIISpace>(position, end);
-
-        if (urlBegin < position) {
-            String url = String(urlBegin, position - urlBegin);
-            m_reportURIs.append(m_policy->completeURL(url));
-        }
-    }
-}
-
-
-template<class CSPDirectiveType>
-void CSPDirectiveList::setCSPDirective(const String& name, const String& value, OwnPtr<CSPDirectiveType>& directive)
-{
-    if (directive) {
-        m_policy->reportDuplicateDirective(name);
-        return;
-    }
-    directive = adoptPtr(new CSPDirectiveType(name, value, m_policy));
-}
-
-void CSPDirectiveList::applySandboxPolicy(const String& name, const String& sandboxPolicy)
-{
-    if (m_reportOnly) {
-        m_policy->reportInvalidInReportOnly(name);
-        return;
-    }
-    if (m_haveSandboxPolicy) {
-        m_policy->reportDuplicateDirective(name);
-        return;
-    }
-    m_haveSandboxPolicy = true;
-    String invalidTokens;
-    m_policy->enforceSandboxFlags(parseSandboxPolicy(sandboxPolicy, invalidTokens));
-    if (!invalidTokens.isNull())
-        m_policy->reportInvalidSandboxFlags(invalidTokens);
-}
-
-void CSPDirectiveList::parseReflectedXSS(const String& name, const String& value)
-{
-    if (m_reflectedXSSDisposition != ReflectedXSSUnset) {
-        m_policy->reportDuplicateDirective(name);
-        m_reflectedXSSDisposition = ReflectedXSSInvalid;
-        return;
-    }
-
-    if (value.isEmpty()) {
-        m_reflectedXSSDisposition = ReflectedXSSInvalid;
-        m_policy->reportInvalidReflectedXSS(value);
-        return;
-    }
-
-    Vector<UChar> characters;
-    value.appendTo(characters);
-
-    const UChar* position = characters.data();
-    const UChar* end = position + characters.size();
-
-    skipWhile<UChar, isASCIISpace>(position, end);
-    const UChar* begin = position;
-    skipWhile<UChar, isNotASCIISpace>(position, end);
-
-    // value1
-    //       ^
-    if (equalIgnoringCase("allow", begin, position - begin)) {
-        m_reflectedXSSDisposition = AllowReflectedXSS;
-    } else if (equalIgnoringCase("filter", begin, position - begin)) {
-        m_reflectedXSSDisposition = FilterReflectedXSS;
-    } else if (equalIgnoringCase("block", begin, position - begin)) {
-        m_reflectedXSSDisposition = BlockReflectedXSS;
-    } else {
-        m_reflectedXSSDisposition = ReflectedXSSInvalid;
-        m_policy->reportInvalidReflectedXSS(value);
-        return;
-    }
-
-    skipWhile<UChar, isASCIISpace>(position, end);
-    if (position == end && m_reflectedXSSDisposition != ReflectedXSSUnset)
-        return;
-
-    // value1 value2
-    //        ^
-    m_reflectedXSSDisposition = ReflectedXSSInvalid;
-    m_policy->reportInvalidReflectedXSS(value);
-}
-
-void CSPDirectiveList::parseReferrer(const String& name, const String& value)
-{
-    if (m_didSetReferrerPolicy) {
-        m_policy->reportDuplicateDirective(name);
-        m_referrerPolicy = ReferrerPolicyNever;
-        return;
-    }
-
-    m_didSetReferrerPolicy = true;
-
-    if (value.isEmpty()) {
-        m_policy->reportInvalidReferrer(value);
-        m_referrerPolicy = ReferrerPolicyNever;
-        return;
-    }
-
-    Vector<UChar> characters;
-    value.appendTo(characters);
-
-    const UChar* position = characters.data();
-    const UChar* end = position + characters.size();
-
-    skipWhile<UChar, isASCIISpace>(position, end);
-    const UChar* begin = position;
-    skipWhile<UChar, isNotASCIISpace>(position, end);
-
-    // value1
-    //       ^
-    if (equalIgnoringCase("always", begin, position - begin)) {
-        m_referrerPolicy = ReferrerPolicyAlways;
-    } else if (equalIgnoringCase("default", begin, position - begin)) {
-        m_referrerPolicy = ReferrerPolicyDefault;
-    } else if (equalIgnoringCase("never", begin, position - begin)) {
-        m_referrerPolicy = ReferrerPolicyNever;
-    } else if (equalIgnoringCase("origin", begin, position - begin)) {
-        m_referrerPolicy = ReferrerPolicyOrigin;
-    } else {
-        m_referrerPolicy = ReferrerPolicyNever;
-        m_policy->reportInvalidReferrer(value);
-        return;
-    }
-
-    skipWhile<UChar, isASCIISpace>(position, end);
-    if (position == end)
-        return;
-
-    // value1 value2
-    //        ^
-    m_referrerPolicy = ReferrerPolicyNever;
-    m_policy->reportInvalidReferrer(value);
-
-}
-
-void CSPDirectiveList::addDirective(const String& name, const String& value)
-{
-    ASSERT(!name.isEmpty());
-
-    if (equalIgnoringCase(name, defaultSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_defaultSrc);
-    } else if (equalIgnoringCase(name, scriptSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_scriptSrc);
-        m_policy->usesScriptHashAlgorithms(m_scriptSrc->hashAlgorithmsUsed());
-    } else if (equalIgnoringCase(name, objectSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_objectSrc);
-    } else if (equalIgnoringCase(name, frameSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_frameSrc);
-    } else if (equalIgnoringCase(name, imgSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_imgSrc);
-    } else if (equalIgnoringCase(name, styleSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_styleSrc);
-        m_policy->usesStyleHashAlgorithms(m_styleSrc->hashAlgorithmsUsed());
-    } else if (equalIgnoringCase(name, fontSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_fontSrc);
-    } else if (equalIgnoringCase(name, mediaSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_mediaSrc);
-    } else if (equalIgnoringCase(name, connectSrc)) {
-        setCSPDirective<SourceListDirective>(name, value, m_connectSrc);
-    } else if (equalIgnoringCase(name, sandbox)) {
-        applySandboxPolicy(name, value);
-    } else if (equalIgnoringCase(name, reportURI)) {
-        parseReportURI(name, value);
-    } else if (m_policy->experimentalFeaturesEnabled()) {
-        if (equalIgnoringCase(name, baseURI))
-            setCSPDirective<SourceListDirective>(name, value, m_baseURI);
-        else if (equalIgnoringCase(name, childSrc))
-            setCSPDirective<SourceListDirective>(name, value, m_childSrc);
-        else if (equalIgnoringCase(name, formAction))
-            setCSPDirective<SourceListDirective>(name, value, m_formAction);
-        else if (equalIgnoringCase(name, frameAncestors))
-            setCSPDirective<SourceListDirective>(name, value, m_frameAncestors);
-        else if (equalIgnoringCase(name, pluginTypes))
-            setCSPDirective<MediaListDirective>(name, value, m_pluginTypes);
-        else if (equalIgnoringCase(name, reflectedXSS))
-            parseReflectedXSS(name, value);
-        else if (equalIgnoringCase(name, referrer))
-            parseReferrer(name, value);
-        else
-            m_policy->reportUnsupportedDirective(name);
-    } else {
-        m_policy->reportUnsupportedDirective(name);
-    }
-}
-
 ContentSecurityPolicy::ContentSecurityPolicy(ExecutionContextClient* client)
     : m_client(client)
     , m_overrideInlineStyleAllowed(false)
     , m_scriptHashAlgorithmsUsed(ContentSecurityPolicyHashAlgorithmNone)
     , m_styleHashAlgorithmsUsed(ContentSecurityPolicyHashAlgorithmNone)
 {
 }
 
 ContentSecurityPolicy::~ContentSecurityPolicy()
 {
@@ skipping 644 matching lines @@
     // Collisions have no security impact, so we can save space by storing only the string's hash rather than the whole report.
     return !m_violationReportsSent.contains(report.impl()->hash());
 }
 
 void ContentSecurityPolicy::didSendViolationReport(const String& report)
 {
     m_violationReportsSent.add(report.impl()->hash());
 }
 
 } // namespace WebCore