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/*
* Copyright (C) 2013 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 THE COPYRIGHT
* OWNER 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.
*/
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "base/check.h"
#include "base/check_op.h"
#include "base/notreached.h"
#include "third_party/blink/renderer/platform/bindings/exception_code.h"
#include "third_party/blink/renderer/platform/bindings/exception_context.h"
#include "third_party/blink/renderer/platform/bindings/exception_messages.h"
#include "third_party/blink/renderer/platform/bindings/v8_binding.h"
#include "third_party/blink/renderer/platform/bindings/v8_throw_exception.h"
#include "third_party/blink/renderer/platform/runtime_enabled_features.h"
#include "third_party/blink/renderer/platform/wtf/assertions.h"
namespace blink {
ExceptionState::CreateDOMExceptionFunction
ExceptionState::s_create_dom_exception_func_ = nullptr;
// static
void ExceptionState::SetCreateDOMExceptionFunction(
CreateDOMExceptionFunction func) {
DCHECK(!s_create_dom_exception_func_);
s_create_dom_exception_func_ = func;
DCHECK(s_create_dom_exception_func_);
}
NOINLINE void ExceptionState::ThrowSecurityError(
const char* sanitized_message,
const char* unsanitized_message) {
ThrowSecurityError(String(sanitized_message), String(unsanitized_message));
}
NOINLINE void ExceptionState::ThrowRangeError(const char* message) {
ThrowRangeError(String(message));
}
NOINLINE void ExceptionState::ThrowTypeError(const char* message) {
ThrowTypeError(String(message));
}
NOINLINE void ExceptionState::ThrowSyntaxError(const char* message) {
ThrowSyntaxError(String(message));
}
NOINLINE void ExceptionState::ThrowWasmCompileError(const char* message) {
ThrowWasmCompileError(String(message));
}
NOINLINE void ExceptionState::ThrowDOMException(DOMExceptionCode exception_code,
const char* message) {
ThrowDOMException(exception_code, String(message));
}
void ExceptionState::SetExceptionInfo(ExceptionCode exception_code,
const String& message) {
had_exception_ = true;
if (!swallow_all_exceptions_) {
return;
}
CHECK(exception_code);
// `swallow_all_exceptions_` is only set to true in the delegated constructor
// for `DummyExceptionStateForTesting`, so this static_cast is safe.
auto* dummy_this = static_cast<DummyExceptionStateForTesting*>(this);
dummy_this->code_ = exception_code;
dummy_this->message_ = message;
}
void ExceptionState::ThrowDOMException(DOMExceptionCode exception_code,
const String& message) {
// SecurityError is thrown via ThrowSecurityError, and _careful_ consideration
// must be given to the data exposed to JavaScript via |sanitized_message|.
DCHECK_NE(exception_code, DOMExceptionCode::kSecurityError);
#if DCHECK_IS_ON()
DCHECK_AT(!assert_no_exceptions_, location_)
<< "DOMException should not be thrown.";
#endif
SetExceptionInfo(ToExceptionCode(exception_code), message);
if (isolate_) {
v8::Local<v8::Value> exception = s_create_dom_exception_func_(
isolate_, exception_code, message, String());
V8ThrowException::ThrowException(isolate_, exception);
}
}
void ExceptionState::ThrowDOMException(v8::Local<v8::Value> exception,
DOMExceptionCode code,
const String& message) {
#if DCHECK_IS_ON()
DCHECK_AT(!assert_no_exceptions_, location_)
<< "DOMException should not be thrown.";
#endif
SetExceptionInfo(ToExceptionCode(code), message);
if (isolate_) {
V8ThrowException::ThrowException(isolate_, exception);
}
}
void ExceptionState::ThrowSecurityError(const String& sanitized_message,
const String& unsanitized_message) {
#if DCHECK_IS_ON()
DCHECK_AT(!assert_no_exceptions_, location_)
<< "SecurityError should not be thrown.";
#endif
SetExceptionInfo(ToExceptionCode(DOMExceptionCode::kSecurityError),
sanitized_message);
if (isolate_) {
v8::Local<v8::Value> exception =
s_create_dom_exception_func_(isolate_, DOMExceptionCode::kSecurityError,
sanitized_message, unsanitized_message);
V8ThrowException::ThrowException(isolate_, exception);
}
}
void ExceptionState::ThrowRangeError(const String& message) {
#if DCHECK_IS_ON()
DCHECK_AT(!assert_no_exceptions_, location_)
<< "RangeError should not be thrown.";
#endif
SetExceptionInfo(ToExceptionCode(ESErrorType::kRangeError), message);
if (isolate_) {
V8ThrowException::ThrowRangeError(isolate_, message);
}
}
void ExceptionState::ThrowTypeError(const String& message) {
#if DCHECK_IS_ON()
DCHECK_AT(!assert_no_exceptions_, location_)
<< "TypeError should not be thrown.";
#endif
SetExceptionInfo(ToExceptionCode(ESErrorType::kTypeError), message);
if (isolate_) {
V8ThrowException::ThrowTypeError(isolate_, message);
}
}
void ExceptionState::ThrowSyntaxError(const String& message) {
#if DCHECK_IS_ON()
DCHECK_AT(!assert_no_exceptions_, location_)
<< "SyntaxError should not be thrown.";
#endif
SetExceptionInfo(ToExceptionCode(ESErrorType::kSyntaxError), message);
if (isolate_) {
V8ThrowException::ThrowSyntaxError(isolate_, message);
}
}
void ExceptionState::ThrowWasmCompileError(const String& message) {
#if DCHECK_IS_ON()
DCHECK_AT(!assert_no_exceptions_, location_)
<< "WebAssembly.CompileError should not be thrown.";
#endif
SetExceptionInfo(ToExceptionCode(ESErrorType::kWasmCompileError), message);
if (isolate_) {
V8ThrowException::ThrowWasmCompileError(isolate_, message);
}
}
void ExceptionState::RethrowV8Exception(v8::TryCatch& try_catch) {
#if DCHECK_IS_ON()
DCHECK_AT(!assert_no_exceptions_, location_)
<< "A V8 exception should not be thrown.";
#endif
SetExceptionInfo(
static_cast<ExceptionCode>(InternalExceptionType::kRethrownException),
String());
if (isolate_) {
try_catch.ReThrow();
}
}
ExceptionState::ExceptionState(DummyExceptionStateForTesting& dummy_derived)
: context_(kEmptyContext),
isolate_(nullptr),
swallow_all_exceptions_(true) {
DCHECK(this == &dummy_derived);
}
} // namespace blink
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