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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_TRUSTEDTYPES_TRUSTED_TYPES_UTIL_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_TRUSTEDTYPES_TRUSTED_TYPES_UTIL_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
class Document;
class ExecutionContext;
class ExceptionState;
class Node;
class StringOrTrustedHTML;
class StringOrTrustedHTMLOrTrustedScriptOrTrustedScriptURLOrTrustedURL;
class StringOrTrustedScript;
class StringOrTrustedScriptURL;
class USVStringOrTrustedURL;
enum class SpecificTrustedType {
kNone,
kTrustedHTML,
kTrustedScript,
kTrustedScriptURL,
kTrustedURL,
};
String CORE_EXPORT GetStringFromTrustedType(
const StringOrTrustedHTMLOrTrustedScriptOrTrustedScriptURLOrTrustedURL&,
const ExecutionContext*,
ExceptionState&);
String CORE_EXPORT GetStringFromTrustedTypeWithoutCheck(
const StringOrTrustedHTMLOrTrustedScriptOrTrustedScriptURLOrTrustedURL&);
String CORE_EXPORT GetStringFromSpecificTrustedType(
const StringOrTrustedHTMLOrTrustedScriptOrTrustedScriptURLOrTrustedURL&,
SpecificTrustedType,
const ExecutionContext*,
ExceptionState&);
String CORE_EXPORT GetStringFromTrustedHTML(StringOrTrustedHTML,
const ExecutionContext*,
ExceptionState&);
String GetStringFromTrustedHTML(const String&,
const ExecutionContext*,
ExceptionState&);
String CORE_EXPORT GetStringFromTrustedScript(StringOrTrustedScript,
const ExecutionContext*,
ExceptionState&);
String GetStringFromTrustedScript(const String&,
const ExecutionContext*,
ExceptionState&);
String CORE_EXPORT GetStringFromTrustedScriptURL(StringOrTrustedScriptURL,
const ExecutionContext*,
ExceptionState&);
String CORE_EXPORT GetStringFromTrustedURL(USVStringOrTrustedURL,
const ExecutionContext*,
ExceptionState&);
// For <script> elements, we need to treat insertion of DOM text nodes
// as equivalent to string assignment. This checks the child-node to be
// inserted and runs all of the Trusted Types checks if it's a text node.
//
// Returns nullptr if the check failed, or the node to use (possibly child)
// if they succeeded.
Node* TrustedTypesCheckForHTMLScriptElement(Node* child,
Document*,
ExceptionState&);
// Determine whether a Trusted Types check is needed in this execution context.
//
// Note: All methods above handle this internally and will return success if a
// check is not required. However, in cases where not-required doesn't
// immediately imply "okay" this method can be used.
// Example: To determine whether 'eval' may pass, one needs to also take CSP
// into account.
bool CORE_EXPORT RequireTrustedTypesCheck(const ExecutionContext*);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_TRUSTEDTYPES_TRUSTED_TYPES_UTIL_H_
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