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content / browser / blob_storage / blob_internals_url_loader.cc [blame]
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/blob_storage/blob_internals_url_loader.h"
#include "base/containers/span.h"
#include "content/browser/blob_storage/blob_internals_url_loader.h"
#include "content/browser/blob_storage/chrome_blob_storage_context.h"
#include "mojo/public/cpp/bindings/remote.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
#include "storage/browser/blob/view_blob_internals_job.h"
namespace content {
void StartBlobInternalsURLLoader(
const network::ResourceRequest& request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client_remote,
ChromeBlobStorageContext* blob_storage_context) {
scoped_refptr<net::HttpResponseHeaders> headers(
new net::HttpResponseHeaders("HTTP/1.1 200 OK"));
auto resource_response = network::mojom::URLResponseHead::New();
resource_response->headers = headers;
resource_response->mime_type = "text/html";
mojo::Remote<network::mojom::URLLoaderClient> client(
std::move(client_remote));
std::string output = storage::ViewBlobInternalsJob::GenerateHTML(
blob_storage_context->context());
mojo::ScopedDataPipeProducerHandle producer_handle;
mojo::ScopedDataPipeConsumerHandle consumer_handle;
CHECK_EQ(
mojo::CreateDataPipe(output.size(), producer_handle, consumer_handle),
MOJO_RESULT_OK);
base::span<uint8_t> buffer;
size_t size_hint = output.size();
MojoResult result = producer_handle->BeginWriteData(
size_hint, MOJO_BEGIN_WRITE_DATA_FLAG_ALL_OR_NONE, buffer);
CHECK_EQ(result, MOJO_RESULT_OK);
CHECK_GE(buffer.size(), output.size());
buffer = buffer.first(output.size());
buffer.copy_from(base::as_byte_span(output));
result = producer_handle->EndWriteData(buffer.size());
CHECK_EQ(result, MOJO_RESULT_OK);
client->OnReceiveResponse(std::move(resource_response),
std::move(consumer_handle), std::nullopt);
network::URLLoaderCompletionStatus status(net::OK);
status.encoded_data_length = output.size();
status.encoded_body_length = output.size();
client->OnComplete(status);
}
} // namespace content