electron/shell/common/gin_helper/error_thrower.cc
Samuel Attard 6df2680cb6
refactor: clean up webFrame implementation to use gin wrappers (#28497)
* refactor: clean up webFrame implementation to use gin wrappers

The previous implementation of webFrame in the renderer process leaked
sub-frame contexts and global objects across the context boundaries thus
making it possible for apps to either maliciously or accidentally
violate the contextIsolation boundary.

This re-implementation binds all methods in native code directly to
content::RenderFrame instances instead of relying on JS to provide a
"window" with every method request.  This is much more consistent with
the rest of the Electron codebase and is substantially safer.

* chore: un-re-order for ease of review

* chore: pass isolate around instead of ErrorThrower

* chore: fix rebase typo

* chore: remove unused variables
2021-04-12 16:35:18 -07:00

46 lines
1.4 KiB
C++

// Copyright (c) 2019 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "shell/common/gin_helper/error_thrower.h"
#include "gin/converter.h"
namespace gin_helper {
ErrorThrower::ErrorThrower(v8::Isolate* isolate) : isolate_(isolate) {}
// This constructor should be rarely if ever used, since
// v8::Isolate::GetCurrent() uses atomic loads and is thus a bit
// costly to invoke
ErrorThrower::ErrorThrower() : isolate_(v8::Isolate::GetCurrent()) {}
ErrorThrower::~ErrorThrower() = default;
void ErrorThrower::ThrowError(base::StringPiece err_msg) const {
Throw(v8::Exception::Error, err_msg);
}
void ErrorThrower::ThrowTypeError(base::StringPiece err_msg) const {
Throw(v8::Exception::TypeError, err_msg);
}
void ErrorThrower::ThrowRangeError(base::StringPiece err_msg) const {
Throw(v8::Exception::RangeError, err_msg);
}
void ErrorThrower::ThrowReferenceError(base::StringPiece err_msg) const {
Throw(v8::Exception::ReferenceError, err_msg);
}
void ErrorThrower::ThrowSyntaxError(base::StringPiece err_msg) const {
Throw(v8::Exception::SyntaxError, err_msg);
}
void ErrorThrower::Throw(ErrorGenerator gen, base::StringPiece err_msg) const {
v8::Local<v8::Value> exception = gen(gin::StringToV8(isolate_, err_msg));
if (!isolate_->IsExecutionTerminating())
isolate_->ThrowException(exception);
}
} // namespace gin_helper