electron/shell/browser/net/electron_url_loader_factory.cc
Charles Kerr aa23198ad8
chore: remove more unused #include calls (#43000)
* chore: in shell/renderer/renderer_client_base.h, remove include media/base/key_systems_support_registration.h

last use removed in c670e38b (##41610)

* chore: iwyu electron/fuses.h

* chore: iwyu media/base/video_frame.h

* chore: iwyu base/functional/callback.h

* chore: iwyu base/task/cancelable_task_tracker.h

* chore: iwyu shell/browser/draggable_region_provider.h

* chore: iwyu shell/browser/ui/inspectable_web_contents_view.h

* chore: iwyu ui/aura/window.h

* chore: iwyu ui/base/win/shell.h

* chore: iwyu ui/display/win/screen_win.h

* chore: iwyu ui/gfx/geometry/insets.h

* chore: iwyu ui/display/display.h

* chore: iwyu ui/gfx/geometry/skia_conversions.h

* chore: iwyu ui/gfx/geometry/rect_conversions.h

* chore: iwyu ui/gfx/geometry/point.h

* chore: iwyu ui/gfx/scoped_canvas.h

* chore: iwyu ui/gfx/image/image.h

* chore: iwyu ui/accessibility/ax_node_data.h

* chore: iwyu ui/views/animation/ink_drop_highlight.h

* chore: iwyu ui/gfx/font_list.h

* chore: iwyu ui/linux/nav_button_provider.h

* chore: iwyu shell/browser/ui/views/frameless_view.h

* chore: iwyu services/metrics/public/cpp/ukm_source_id.h

* chore: iwyu net/http/http_util.h

* chore: iwyu net/base/mime_util.h

* chore: iwyu content/public/common/content_client.h

* chore: iwyu <list>

* chore: iwyu <optional>

* chore: iwyu <memory>

* chore: iwyu base/files/file_path.h

* chore: iwyu ui/base/cursor/cursor.h

* chore: iwyu build/build_config.h

* chore: iwyu content/public/browser/web_contents.h

* chore: iwyu shell/browser/hid/hid_chooser_context.h

* chore: iwyu shell/common/platform_util.h

* chore: iwyu base/task/single_thread_task_runner.h

* chore: iwyu content/browser/renderer_host/render_widget_host_impl.h

* chore: iwyu content/public/browser/render_widget_host.h

* chore: iwyu shell/browser/electron_browser_context.h

* chore: iwyu content/public/browser/web_contents_observer.h

* chore: iwyu content/public/browser/render_frame_host.h

* chore: iwyu content/public/browser/media_stream_request.h

* chore: iwyu chrome/common/chrome_paths.h

* chore: iwyu chrome/browser/icon_manager.h

* chore: iwyu printing/print_settings.h

* chore: iwyu renderer/pepper_helper.h

* chore: iwyu shell/browser/api/process_metric.h

* chore: iwyu shell/browser/electron_browser_client.h

* chore: iwyu shell/browser/electron_browser_context.h

* chore: iwyu shell/browser/api/electron_api_session.h

* chore: iwyu shell/browser/api/electron_api_app.h

* chore: iwyu shell/browser/ui/views/client_frame_view_linux.h

* chore: iwyu shell/browser/native_window_views.h

* chore: iwyu base/win/windows_version.h

* chore: iwyu shell/common/electron_paths.h

* chore: iwyu content/public/common/content_switches.h

* chore: iwyu third_party/skia/include/core/SkRRect.h

* chore: iwyu third_party/skia/include/core/SkBitmap.h

* chore: iwyu third_party/skia

* chore: iwyu shell/browser/osr/osr_host_display_client.h

* chore: iwyu shell/browser/login_handler.h

* chore: iwyu shell/browser/javascript_environment.h

* chore: iwyu shell/browser/event_emitter_mixin.h

* fix: mac

* fix: mac

* chore: iwyu base/nix/xdg_util.h

* fix: win

* fix: win

* fix: win

* fix: win
2024-07-25 11:25:45 +02:00

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// 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/browser/net/electron_url_loader_factory.h"
#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include "base/containers/fixed_flat_map.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/uuid.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/storage_partition.h"
#include "mojo/public/cpp/system/data_pipe_producer.h"
#include "mojo/public/cpp/system/string_data_source.h"
#include "net/base/filename_util.h"
#include "net/http/http_request_headers.h"
#include "net/http/http_status_code.h"
#include "net/url_request/redirect_util.h"
#include "services/network/public/cpp/url_loader_completion_status.h"
#include "services/network/public/mojom/url_loader_factory.mojom.h"
#include "shell/browser/api/electron_api_session.h"
#include "shell/browser/electron_browser_context.h"
#include "shell/browser/net/asar/asar_url_loader.h"
#include "shell/browser/net/node_stream_loader.h"
#include "shell/browser/net/url_pipe_loader.h"
#include "shell/common/electron_constants.h"
#include "shell/common/gin_converters/file_path_converter.h"
#include "shell/common/gin_converters/gurl_converter.h"
#include "shell/common/gin_converters/net_converter.h"
#include "shell/common/gin_converters/value_converter.h"
#include "shell/common/gin_helper/dictionary.h"
#include "third_party/blink/public/mojom/loader/resource_load_info.mojom-shared.h"
#include "shell/common/node_includes.h"
using content::BrowserThread;
namespace gin {
template <>
struct Converter<electron::ProtocolType> {
static bool FromV8(v8::Isolate* isolate,
v8::Local<v8::Value> val,
electron::ProtocolType* out) {
using Val = electron::ProtocolType;
static constexpr auto Lookup =
base::MakeFixedFlatMap<std::string_view, Val>({
// note "free" is internal type, not allowed to be passed from user
{"buffer", Val::kBuffer},
{"file", Val::kFile},
{"http", Val::kHttp},
{"stream", Val::kStream},
{"string", Val::kString},
});
return FromV8WithLookup(isolate, val, Lookup, out);
}
};
} // namespace gin
namespace electron {
namespace {
// Determine whether a protocol type can accept non-object response.
bool ResponseMustBeObject(ProtocolType type) {
switch (type) {
case ProtocolType::kString:
case ProtocolType::kFile:
case ProtocolType::kFree:
return false;
default:
return true;
}
}
bool LooksLikeStream(v8::Isolate* isolate, v8::Local<v8::Value> v) {
// the stream loader can handle null and undefined as "empty body". Could
// probably be more efficient here but this works.
if (v->IsNullOrUndefined())
return true;
if (!v->IsObject())
return false;
gin_helper::Dictionary dict(isolate, v.As<v8::Object>());
v8::Local<v8::Value> method;
return dict.Get("on", &method) && method->IsFunction() &&
dict.Get("removeListener", &method) && method->IsFunction();
}
// Helper to convert value to Dictionary.
gin::Dictionary ToDict(v8::Isolate* isolate, v8::Local<v8::Value> value) {
if (!value->IsFunction() && value->IsObject())
return gin::Dictionary(
isolate,
value->ToObject(isolate->GetCurrentContext()).ToLocalChecked());
else
return gin::Dictionary(isolate);
}
// Parse headers from response object.
network::mojom::URLResponseHeadPtr ToResponseHead(
const gin_helper::Dictionary& dict) {
auto head = network::mojom::URLResponseHead::New();
head->mime_type = "text/html";
head->charset = "utf-8";
if (dict.IsEmpty()) {
head->headers =
base::MakeRefCounted<net::HttpResponseHeaders>("HTTP/1.1 200 OK");
return head;
}
int status_code = net::HTTP_OK;
dict.Get("statusCode", &status_code);
head->headers = base::MakeRefCounted<net::HttpResponseHeaders>(
base::StringPrintf("HTTP/1.1 %d %s", status_code,
net::GetHttpReasonPhrase(
static_cast<net::HttpStatusCode>(status_code))));
dict.Get("charset", &head->charset);
bool has_mime_type = dict.Get("mimeType", &head->mime_type);
bool has_content_type = false;
base::Value::Dict headers;
if (dict.Get("headers", &headers)) {
for (const auto iter : headers) {
if (iter.second.is_string()) {
// key, value
head->headers->AddHeader(iter.first, iter.second.GetString());
} else if (iter.second.is_list()) {
// key: [values...]
for (const auto& item : iter.second.GetList()) {
if (item.is_string())
head->headers->AddHeader(iter.first, item.GetString());
}
} else {
continue;
}
auto header_name_lowercase = base::ToLowerASCII(iter.first);
if (header_name_lowercase == "content-type") {
// Some apps are passing content-type via headers, which is not accepted
// in NetworkService.
head->headers->GetMimeTypeAndCharset(&head->mime_type, &head->charset);
has_content_type = true;
} else if (header_name_lowercase == "content-length" &&
iter.second.is_string()) {
base::StringToInt64(iter.second.GetString(), &head->content_length);
}
}
}
// Setting |head->mime_type| does not automatically set the "content-type"
// header in NetworkService.
if (has_mime_type && !has_content_type)
head->headers->AddHeader("content-type", head->mime_type);
return head;
}
// Helper to write string to pipe.
struct WriteData {
mojo::Remote<network::mojom::URLLoaderClient> client;
std::string data;
std::unique_ptr<mojo::DataPipeProducer> producer;
};
void OnWrite(std::unique_ptr<WriteData> write_data, MojoResult result) {
network::URLLoaderCompletionStatus status(net::ERR_FAILED);
if (result == MOJO_RESULT_OK) {
status = network::URLLoaderCompletionStatus(net::OK);
status.encoded_data_length = write_data->data.size();
status.encoded_body_length = write_data->data.size();
status.decoded_body_length = write_data->data.size();
}
write_data->client->OnComplete(status);
}
} // namespace
ElectronURLLoaderFactory::RedirectedRequest::RedirectedRequest(
const net::RedirectInfo& redirect_info,
mojo::PendingReceiver<network::mojom::URLLoader> loader_receiver,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation,
mojo::PendingRemote<network::mojom::URLLoaderFactory> target_factory_remote)
: redirect_info_(redirect_info),
request_id_(request_id),
options_(options),
request_(request),
client_(std::move(client)),
traffic_annotation_(traffic_annotation) {
loader_receiver_.Bind(std::move(loader_receiver));
loader_receiver_.set_disconnect_handler(
base::BindOnce(&ElectronURLLoaderFactory::RedirectedRequest::DeleteThis,
base::Unretained(this)));
target_factory_remote_.Bind(std::move(target_factory_remote));
target_factory_remote_.set_disconnect_handler(base::BindOnce(
&ElectronURLLoaderFactory::RedirectedRequest::OnTargetFactoryError,
base::Unretained(this)));
}
ElectronURLLoaderFactory::RedirectedRequest::~RedirectedRequest() = default;
void ElectronURLLoaderFactory::RedirectedRequest::FollowRedirect(
const std::vector<std::string>& removed_headers,
const net::HttpRequestHeaders& modified_headers,
const net::HttpRequestHeaders& modified_cors_exempt_headers,
const std::optional<GURL>& new_url) {
// Update |request_| with info from the redirect, so that it's accurate
// The following references code in WorkerScriptLoader::FollowRedirect
bool should_clear_upload = false;
net::RedirectUtil::UpdateHttpRequest(
request_.url, request_.method, redirect_info_, removed_headers,
modified_headers, &request_.headers, &should_clear_upload);
request_.cors_exempt_headers.MergeFrom(modified_cors_exempt_headers);
for (const std::string& name : removed_headers)
request_.cors_exempt_headers.RemoveHeader(name);
if (should_clear_upload)
request_.request_body = nullptr;
request_.url = redirect_info_.new_url;
request_.method = redirect_info_.new_method;
request_.site_for_cookies = redirect_info_.new_site_for_cookies;
request_.referrer = GURL(redirect_info_.new_referrer);
request_.referrer_policy = redirect_info_.new_referrer_policy;
// Create a new loader to process the redirect and destroy this one
target_factory_remote_->CreateLoaderAndStart(
loader_receiver_.Unbind(), request_id_, options_, request_,
std::move(client_), traffic_annotation_);
DeleteThis();
}
void ElectronURLLoaderFactory::RedirectedRequest::OnTargetFactoryError() {
// Can't create a new loader at this point, so the request can't continue
mojo::Remote<network::mojom::URLLoaderClient> client_remote(
std::move(client_));
client_remote->OnComplete(
network::URLLoaderCompletionStatus(net::ERR_FAILED));
client_remote.reset();
DeleteThis();
}
void ElectronURLLoaderFactory::RedirectedRequest::DeleteThis() {
loader_receiver_.reset();
target_factory_remote_.reset();
delete this;
}
// static
mojo::PendingRemote<network::mojom::URLLoaderFactory>
ElectronURLLoaderFactory::Create(ProtocolType type,
const ProtocolHandler& handler) {
mojo::PendingRemote<network::mojom::URLLoaderFactory> pending_remote;
// The ElectronURLLoaderFactory will delete itself when there are no more
// receivers - see the SelfDeletingURLLoaderFactory::OnDisconnect method.
new ElectronURLLoaderFactory(type, handler,
pending_remote.InitWithNewPipeAndPassReceiver());
return pending_remote;
}
ElectronURLLoaderFactory::ElectronURLLoaderFactory(
ProtocolType type,
const ProtocolHandler& handler,
mojo::PendingReceiver<network::mojom::URLLoaderFactory> factory_receiver)
: network::SelfDeletingURLLoaderFactory(std::move(factory_receiver)),
type_(type),
handler_(handler) {}
ElectronURLLoaderFactory::~ElectronURLLoaderFactory() = default;
void ElectronURLLoaderFactory::CreateLoaderAndStart(
mojo::PendingReceiver<network::mojom::URLLoader> loader,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
// |StartLoading| is used for both intercepted and registered protocols,
// and on redirects it needs a factory to use to create a loader for the
// new request. So in this case, this factory is the target factory.
mojo::PendingRemote<network::mojom::URLLoaderFactory> target_factory;
this->Clone(target_factory.InitWithNewPipeAndPassReceiver());
handler_.Run(
request,
base::BindOnce(&ElectronURLLoaderFactory::StartLoading, std::move(loader),
request_id, options, request, std::move(client),
traffic_annotation, std::move(target_factory), type_));
}
// static
void ElectronURLLoaderFactory::OnComplete(
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
int32_t request_id,
const network::URLLoaderCompletionStatus& status) {
if (client.is_valid()) {
mojo::Remote<network::mojom::URLLoaderClient> client_remote(
std::move(client));
client_remote->OnComplete(status);
}
}
// static
void ElectronURLLoaderFactory::StartLoading(
mojo::PendingReceiver<network::mojom::URLLoader> loader,
int32_t request_id,
uint32_t options,
const network::ResourceRequest& request,
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation,
mojo::PendingRemote<network::mojom::URLLoaderFactory> target_factory,
ProtocolType type,
gin::Arguments* args) {
// Send network error when there is no argument passed.
//
// Note that we should not throw JS error in the callback no matter what is
// passed, to keep compatibility with old code.
v8::Local<v8::Value> response;
if (!args->GetNext(&response)) {
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(net::ERR_NOT_IMPLEMENTED));
return;
}
// Parse {error} object.
gin_helper::Dictionary dict = ToDict(args->isolate(), response);
if (!dict.IsEmpty()) {
int error_code;
if (dict.Get("error", &error_code)) {
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(error_code));
return;
}
}
network::mojom::URLResponseHeadPtr head = ToResponseHead(dict);
// Handle redirection.
//
// Note that with NetworkService, sending the "Location" header no longer
// automatically redirects the request, we have explicitly create a new loader
// to implement redirection. This is also what Chromium does with WebRequest
// API in WebRequestProxyingURLLoaderFactory.
std::string location;
if (head->headers->IsRedirect(&location)) {
// If the request is a MAIN_FRAME request, the first-party URL gets
// updated on redirects.
const net::RedirectInfo::FirstPartyURLPolicy first_party_url_policy =
request.resource_type ==
static_cast<int>(blink::mojom::ResourceType::kMainFrame)
? net::RedirectInfo::FirstPartyURLPolicy::UPDATE_URL_ON_REDIRECT
: net::RedirectInfo::FirstPartyURLPolicy::NEVER_CHANGE_URL;
net::RedirectInfo redirect_info = net::RedirectInfo::ComputeRedirectInfo(
request.method, request.url, request.site_for_cookies,
first_party_url_policy, request.referrer_policy,
request.referrer.GetAsReferrer().spec(), head->headers->response_code(),
request.url.Resolve(location),
net::RedirectUtil::GetReferrerPolicyHeader(head->headers.get()), false);
DCHECK(client.is_valid());
mojo::Remote<network::mojom::URLLoaderClient> client_remote(
std::move(client));
client_remote->OnReceiveRedirect(redirect_info, std::move(head));
// Bind the URLLoader receiver and wait for a FollowRedirect request, or for
// the remote to disconnect, which will happen if the request is aborted.
// That may happen when the redirect is to a different scheme, which will
// cause the URL loader to be destroyed and a new one created using the
// factory for that scheme.
new RedirectedRequest(redirect_info, std::move(loader), request_id, options,
request, client_remote.Unbind(), traffic_annotation,
std::move(target_factory));
return;
}
// Some protocol accepts non-object responses.
if (dict.IsEmpty() && ResponseMustBeObject(type)) {
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(net::ERR_NOT_IMPLEMENTED));
return;
}
switch (type) {
// DEPRECATED: Soon only |kFree| will be supported!
case ProtocolType::kBuffer:
if (response->IsArrayBufferView())
StartLoadingBuffer(std::move(client), std::move(head),
response.As<v8::ArrayBufferView>());
else if (v8::Local<v8::Value> data; !dict.IsEmpty() &&
dict.Get("data", &data) &&
data->IsArrayBufferView())
StartLoadingBuffer(std::move(client), std::move(head),
data.As<v8::ArrayBufferView>());
else
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(net::ERR_FAILED));
break;
case ProtocolType::kString: {
std::string data;
if (gin::ConvertFromV8(args->isolate(), response, &data))
SendContents(std::move(client), std::move(head), data);
else if (!dict.IsEmpty() && dict.Get("data", &data))
SendContents(std::move(client), std::move(head), data);
else
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(net::ERR_FAILED));
break;
}
case ProtocolType::kFile: {
base::FilePath path;
if (gin::ConvertFromV8(args->isolate(), response, &path))
StartLoadingFile(std::move(client), std::move(loader), std::move(head),
request, path, dict);
else if (!dict.IsEmpty() && dict.Get("path", &path))
StartLoadingFile(std::move(client), std::move(loader), std::move(head),
request, path, dict);
else
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(net::ERR_FAILED));
break;
}
case ProtocolType::kHttp:
if (GURL url; !dict.IsEmpty() && dict.Get("url", &url) && url.is_valid())
StartLoadingHttp(std::move(client), std::move(loader), request,
traffic_annotation, dict);
else
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(net::ERR_FAILED));
break;
case ProtocolType::kStream:
StartLoadingStream(std::move(client), std::move(loader), std::move(head),
dict);
break;
case ProtocolType::kFree: {
// Infer the type based on the object given
v8::Local<v8::Value> data;
if (!dict.IsEmpty() && dict.Has("data"))
dict.Get("data", &data);
else
data = response;
// |data| can be either a string, a buffer or a stream.
if (data->IsArrayBufferView()) {
StartLoadingBuffer(std::move(client), std::move(head),
data.As<v8::ArrayBufferView>());
} else if (data->IsString()) {
SendContents(std::move(client), std::move(head),
gin::V8ToString(args->isolate(), data));
} else if (LooksLikeStream(args->isolate(), data)) {
StartLoadingStream(std::move(client), std::move(loader),
std::move(head), dict);
} else if (!dict.IsEmpty()) {
// |data| wasn't specified, so look for |response.url| or
// |response.path|.
if (GURL url; dict.Get("url", &url))
StartLoadingHttp(std::move(client), std::move(loader), request,
traffic_annotation, dict);
else if (base::FilePath path; dict.Get("path", &path))
StartLoadingFile(std::move(client), std::move(loader),
std::move(head), request, path, dict);
else
// Don't know what kind of response this is, so fail.
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(net::ERR_FAILED));
} else {
OnComplete(std::move(client), request_id,
network::URLLoaderCompletionStatus(net::ERR_FAILED));
}
break;
}
}
}
// static
void ElectronURLLoaderFactory::StartLoadingBuffer(
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
network::mojom::URLResponseHeadPtr head,
v8::Local<v8::ArrayBufferView> buffer) {
SendContents(std::move(client), std::move(head),
std::string(node::Buffer::Data(buffer.As<v8::Value>()),
node::Buffer::Length(buffer.As<v8::Value>())));
}
// static
void ElectronURLLoaderFactory::StartLoadingFile(
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
mojo::PendingReceiver<network::mojom::URLLoader> loader,
network::mojom::URLResponseHeadPtr head,
const network::ResourceRequest& original_request,
const base::FilePath& path,
const gin_helper::Dictionary& opts) {
network::ResourceRequest request = original_request;
request.url = net::FilePathToFileURL(path);
if (!opts.IsEmpty()) {
opts.Get("referrer", &request.referrer);
opts.Get("method", &request.method);
}
// Add header to ignore CORS.
head->headers->AddHeader("Access-Control-Allow-Origin", "*");
asar::CreateAsarURLLoader(request, std::move(loader), std::move(client),
head->headers);
}
// static
void ElectronURLLoaderFactory::StartLoadingHttp(
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
mojo::PendingReceiver<network::mojom::URLLoader> loader,
const network::ResourceRequest& original_request,
const net::MutableNetworkTrafficAnnotationTag& traffic_annotation,
const gin_helper::Dictionary& dict) {
auto request = std::make_unique<network::ResourceRequest>();
request->headers = original_request.headers;
request->cors_exempt_headers = original_request.cors_exempt_headers;
dict.Get("url", &request->url);
dict.Get("referrer", &request->referrer);
if (!dict.Get("method", &request->method))
request->method = original_request.method;
base::Value::Dict upload_data;
if (request->method != net::HttpRequestHeaders::kGetMethod &&
request->method != net::HttpRequestHeaders::kHeadMethod)
dict.Get("uploadData", &upload_data);
ElectronBrowserContext* browser_context =
ElectronBrowserContext::From("", false);
v8::Local<v8::Value> value;
if (dict.Get("session", &value)) {
if (value->IsNull()) {
browser_context = ElectronBrowserContext::From(
base::Uuid::GenerateRandomV4().AsLowercaseString(), true);
} else {
gin::Handle<api::Session> session;
if (gin::ConvertFromV8(dict.isolate(), value, &session) &&
!session.IsEmpty()) {
browser_context = session->browser_context();
}
}
}
new URLPipeLoader(
browser_context->GetURLLoaderFactory(), std::move(request),
std::move(loader), std::move(client),
static_cast<net::NetworkTrafficAnnotationTag>(traffic_annotation),
std::move(upload_data));
}
// static
void ElectronURLLoaderFactory::StartLoadingStream(
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
mojo::PendingReceiver<network::mojom::URLLoader> loader,
network::mojom::URLResponseHeadPtr head,
const gin_helper::Dictionary& dict) {
v8::Local<v8::Value> stream;
if (!dict.Get("data", &stream)) {
// Assume the opts is already a stream.
stream = dict.GetHandle();
} else if (stream->IsNullOrUndefined()) {
mojo::Remote<network::mojom::URLLoaderClient> client_remote(
std::move(client));
mojo::ScopedDataPipeProducerHandle producer;
mojo::ScopedDataPipeConsumerHandle consumer;
if (mojo::CreateDataPipe(nullptr, producer, consumer) != MOJO_RESULT_OK) {
client_remote->OnComplete(
network::URLLoaderCompletionStatus(net::ERR_INSUFFICIENT_RESOURCES));
return;
}
// "data" was explicitly passed as null or undefined, assume the user wants
// to send an empty body.
//
// Note that We must submit a empty body otherwise NetworkService would
// crash.
client_remote->OnReceiveResponse(std::move(head), std::move(consumer),
std::nullopt);
producer.reset(); // The data pipe is empty.
client_remote->OnComplete(network::URLLoaderCompletionStatus(net::OK));
return;
} else if (!stream->IsObject()) {
mojo::Remote<network::mojom::URLLoaderClient> client_remote(
std::move(client));
client_remote->OnComplete(
network::URLLoaderCompletionStatus(net::ERR_FAILED));
return;
}
gin_helper::Dictionary data = ToDict(dict.isolate(), stream);
v8::Local<v8::Value> method;
if (!data.Get("on", &method) || !method->IsFunction() ||
!data.Get("removeListener", &method) || !method->IsFunction()) {
mojo::Remote<network::mojom::URLLoaderClient> client_remote(
std::move(client));
client_remote->OnComplete(
network::URLLoaderCompletionStatus(net::ERR_FAILED));
return;
}
new NodeStreamLoader(std::move(head), std::move(loader), std::move(client),
data.isolate(), data.GetHandle());
}
// static
void ElectronURLLoaderFactory::SendContents(
mojo::PendingRemote<network::mojom::URLLoaderClient> client,
network::mojom::URLResponseHeadPtr head,
std::string data) {
mojo::Remote<network::mojom::URLLoaderClient> client_remote(
std::move(client));
// Add header to ignore CORS.
head->headers->AddHeader("Access-Control-Allow-Origin", "*");
// Code below follows the pattern of data_url_loader_factory.cc.
mojo::ScopedDataPipeProducerHandle producer;
mojo::ScopedDataPipeConsumerHandle consumer;
if (mojo::CreateDataPipe(nullptr, producer, consumer) != MOJO_RESULT_OK) {
client_remote->OnComplete(
network::URLLoaderCompletionStatus(net::ERR_INSUFFICIENT_RESOURCES));
return;
}
client_remote->OnReceiveResponse(std::move(head), std::move(consumer),
std::nullopt);
auto write_data = std::make_unique<WriteData>();
write_data->client = std::move(client_remote);
write_data->data = std::move(data);
write_data->producer =
std::make_unique<mojo::DataPipeProducer>(std::move(producer));
auto* producer_ptr = write_data->producer.get();
base::StringPiece string_piece(write_data->data);
producer_ptr->Write(
std::make_unique<mojo::StringDataSource>(
string_piece, mojo::StringDataSource::AsyncWritingMode::
STRING_STAYS_VALID_UNTIL_COMPLETION),
base::BindOnce(OnWrite, std::move(write_data)));
}
} // namespace electron