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ProtocolServer: Pass HTTP response headers to the client

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We now store the response headers in a download object on the protocol
server side and pass it to the client when finishing up a download.

Response headers are passed as an IPC::Dictionary. :^)
This commit is contained in:
Andreas Kling 2020-05-03 22:20:49 +02:00
parent a83d74b38c
commit eb6e35a1be
18 changed files with 49 additions and 30 deletions
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2
Libraries/LibProtocol/Client.cpp
View file

@ -68,7 +68,7 @@ void Client::handle(const Messages::ProtocolClient::DownloadFinished& message)
{
RefPtr<Download> download;
if ((download = m_downloads.get(message.download_id()).value_or(nullptr))) {
download->did_finish({}, message.success(), message.total_size(), message.shbuf_id());
download->did_finish({}, message.success(), message.total_size(), message.shbuf_id(), message.response_headers());
}
send_sync<Messages::ProtocolServer::DisownSharedBuffer>(message.shbuf_id());
m_downloads.remove(message.download_id());

5
Libraries/LibProtocol/Download.cpp
View file

@ -41,7 +41,7 @@ bool Download::stop()
return m_client->stop_download({}, *this);
}
void Download::did_finish(Badge<Client>, bool success, u32 total_size, i32 shbuf_id)
void Download::did_finish(Badge<Client>, bool success, u32 total_size, i32 shbuf_id, const IPC::Dictionary& response_headers)
{
if (!on_finish)
return;
@ -52,7 +52,8 @@ void Download::did_finish(Badge<Client>, bool success, u32 total_size, i32 shbuf
shared_buffer = SharedBuffer::create_from_shbuf_id(shbuf_id);
payload = ByteBuffer::wrap(shared_buffer->data(), total_size);
}
on_finish(success, payload, move(shared_buffer));
on_finish(success, payload, move(shared_buffer), response_headers.entries());
}
void Download::did_progress(Badge<Client>, Optional<u32> total_size, u32 downloaded_size)

5
Libraries/LibProtocol/Download.h
View file

@ -31,6 +31,7 @@
#include <AK/Function.h>
#include <AK/RefCounted.h>
#include <AK/WeakPtr.h>
#include <LibIPC/Forward.h>
namespace Protocol {
@ -46,10 +47,10 @@ public:
int id() const { return m_download_id; }
bool stop();
Function<void(bool success, const ByteBuffer& payload, RefPtr<SharedBuffer> payload_storage)> on_finish;
Function<void(bool success, const ByteBuffer& payload, RefPtr<SharedBuffer> payload_storage, const HashMap<String, String>& response_headers)> on_finish;
Function<void(Optional<u32> total_size, u32 downloaded_size)> on_progress;
void did_finish(Badge<Client>, bool success, u32 total_size, i32 shbuf_id);
void did_finish(Badge<Client>, bool success, u32 total_size, i32 shbuf_id, const IPC::Dictionary& response_headers);
void did_progress(Badge<Client>, Optional<u32> total_size, u32 downloaded_size);
private:

2
Libraries/LibWeb/CSS/StyleValue.cpp
View file

@ -68,7 +68,7 @@ ImageStyleValue::ImageStyleValue(const URL& url, Document& document)
, m_document(document.make_weak_ptr())
{
NonnullRefPtr<ImageStyleValue> protector(*this);
ResourceLoader::the().load(url, [this, protector](auto& data) {
ResourceLoader::the().load(url, [this, protector](auto& data, auto&) {
if (!m_document)
return;
m_bitmap = Gfx::load_png_from_memory(data.data(), data.size());

2
Libraries/LibWeb/DOM/HTMLImageElement.cpp
View file

@ -53,7 +53,7 @@ void HTMLImageElement::parse_attribute(const FlyString& name, const String& valu
void HTMLImageElement::load_image(const String& src)
{
URL src_url = document().complete_url(src);
ResourceLoader::the().load(src_url, [this, weak_element = make_weak_ptr()](auto data) {
ResourceLoader::the().load(src_url, [this, weak_element = make_weak_ptr()](auto data, auto&) {
if (!weak_element) {
dbg() << "HTMLImageElement: Load completed after element destroyed.";
return;

2
Libraries/LibWeb/DOM/HTMLLinkElement.cpp
View file

@ -47,7 +47,7 @@ void HTMLLinkElement::inserted_into(Node&)
{
if (rel() == "stylesheet") {
URL url = document().complete_url(href());
ResourceLoader::the().load(url, [&](auto data) {
ResourceLoader::the().load(url, [&](auto data, auto&) {
if (data.is_null()) {
dbg() << "HTMLLinkElement: Failed to load stylesheet: " << href();
return;

2
Libraries/LibWeb/DOM/HTMLScriptElement.cpp
View file

@ -82,7 +82,7 @@ void HTMLScriptElement::inserted_into(Node& new_parent)
}
String source;
ResourceLoader::the().load_sync(src_url, [&](auto& data) {
ResourceLoader::the().load_sync(src_url, [&](auto& data, auto&) {
if (data.is_null()) {
dbg() << "HTMLScriptElement: Failed to load " << src;
return;

2
Libraries/LibWeb/DOM/XMLHttpRequest.cpp
View file

@ -72,7 +72,7 @@ void XMLHttpRequest::send()
// we need to make ResourceLoader give us more detailed updates than just "done" and "error".
ResourceLoader::the().load(
m_window->document().complete_url(m_url),
[weak_this = make_weak_ptr()](auto& data) {
[weak_this = make_weak_ptr()](auto& data, auto&) {
if (!weak_this)
return;
const_cast<XMLHttpRequest&>(*weak_this).m_response = data;

6
Libraries/LibWeb/HtmlView.cpp
View file

@ -360,7 +360,7 @@ void HtmlView::load(const URL& url)
ResourceLoader::the().load(
url,
[this, url](auto data) {
[this, url](auto data, auto& response_headers) {
if (data.is_null()) {
load_error_page(url, "No data");
return;
@ -390,7 +390,7 @@ void HtmlView::load(const URL& url)
ResourceLoader::the().load(
favicon_url,
[this, favicon_url](auto data) {
[this, favicon_url](auto data, auto&) {
dbg() << "Favicon downloaded, " << data.size() << " bytes from " << favicon_url.to_string();
auto decoder = Gfx::ImageDecoder::create(data.data(), data.size());
auto bitmap = decoder->bitmap();
@ -412,7 +412,7 @@ void HtmlView::load_error_page(const URL& failed_url, const String& error)
auto error_page_url = "file:///res/html/error.html";
ResourceLoader::the().load(
error_page_url,
[this, failed_url, error](auto data) {
[this, failed_url, error](auto data, auto&) {
ASSERT(!data.is_null());
auto html = String::format(
String::copy(data).characters(),

16
Libraries/LibWeb/ResourceLoader.cpp
View file

@ -47,14 +47,14 @@ ResourceLoader::ResourceLoader()
{
}
void ResourceLoader::load_sync(const URL& url, Function<void(const ByteBuffer&)> success_callback, Function<void(const String&)> error_callback)
void ResourceLoader::load_sync(const URL& url, Function<void(const ByteBuffer&, const HashMap<String, String>& response_headers)> success_callback, Function<void(const String&)> error_callback)
{
Core::EventLoop loop;
load(
url,
[&](auto& data) {
success_callback(data);
[&](auto& data, auto& response_headers) {
success_callback(data, response_headers);
loop.quit(0);
},
[&](auto& string) {
@ -66,7 +66,7 @@ void ResourceLoader::load_sync(const URL& url, Function<void(const ByteBuffer&)>
loop.exec();
}
void ResourceLoader::load(const URL& url, Function<void(const ByteBuffer&)> success_callback, Function<void(const String&)> error_callback)
void ResourceLoader::load(const URL& url, Function<void(const ByteBuffer&, const HashMap<String, String>& response_headers)> success_callback, Function<void(const String&)> error_callback)
{
if (is_port_blocked(url.port())) {
dbg() << "ResourceLoader::load: Error: blocked port " << url.port() << " for URL: " << url;
@ -83,7 +83,7 @@ void ResourceLoader::load(const URL& url, Function<void(const ByteBuffer&)> succ
data = url.data_payload().to_byte_buffer();
deferred_invoke([data = move(data), success_callback = move(success_callback)](auto&) {
success_callback(data);
success_callback(data, {});
});
return;
}
@ -100,7 +100,7 @@ void ResourceLoader::load(const URL& url, Function<void(const ByteBuffer&)> succ
auto data = f->read_all();
deferred_invoke([data = move(data), success_callback = move(success_callback)](auto&) {
success_callback(data);
success_callback(data, {});
});
return;
}
@ -112,7 +112,7 @@ void ResourceLoader::load(const URL& url, Function<void(const ByteBuffer&)> succ
error_callback("Failed to initiate load");
return;
}
download->on_finish = [this, success_callback = move(success_callback), error_callback = move(error_callback)](bool success, const ByteBuffer& payload, auto) {
download->on_finish = [this, success_callback = move(success_callback), error_callback = move(error_callback)](bool success, const ByteBuffer& payload, auto, auto& response_headers) {
--m_pending_loads;
if (on_load_counter_change)
on_load_counter_change();
@ -121,7 +121,7 @@ void ResourceLoader::load(const URL& url, Function<void(const ByteBuffer&)> succ
error_callback("HTTP load failed");
return;
}
success_callback(ByteBuffer::copy(payload.data(), payload.size()));
success_callback(ByteBuffer::copy(payload.data(), payload.size()), response_headers);
};
++m_pending_loads;
if (on_load_counter_change)

4
Libraries/LibWeb/ResourceLoader.h
View file

@ -41,8 +41,8 @@ class ResourceLoader : public Core::Object {
public:
static ResourceLoader& the();
void load(const URL&, Function<void(const ByteBuffer&)> success_callback, Function<void(const String&)> error_callback = nullptr);
void load_sync(const URL&, Function<void(const ByteBuffer&)> success_callback, Function<void(const String&)> error_callback = nullptr);
void load(const URL&, Function<void(const ByteBuffer&, const HashMap<String, String>& response_headers)> success_callback, Function<void(const String&)> error_callback = nullptr);
void load_sync(const URL&, Function<void(const ByteBuffer&, const HashMap<String, String>& response_headers)> success_callback, Function<void(const String&)> error_callback = nullptr);
Function<void()> on_load_counter_change;

5
Servers/ProtocolServer/Download.cpp
View file

@ -64,6 +64,11 @@ void Download::set_payload(const ByteBuffer& payload)
m_total_size = payload.size();
}
void Download::set_response_headers(const HashMap<String, String>& response_headers)
{
m_response_headers = response_headers;
}
void Download::did_finish(bool success)
{
if (!m_client) {

4
Servers/ProtocolServer/Download.h
View file

@ -27,6 +27,7 @@
#pragma once
#include <AK/ByteBuffer.h>
#include <AK/HashMap.h>
#include <AK/Optional.h>
#include <AK/RefCounted.h>
#include <AK/URL.h>
@ -46,6 +47,7 @@ public:
Optional<u32> total_size() const { return m_total_size; }
size_t downloaded_size() const { return m_downloaded_size; }
const ByteBuffer& payload() const { return m_payload; }
const HashMap<String, String>& response_headers() const { return m_response_headers; }
void stop();
@ -55,6 +57,7 @@ protected:
void did_finish(bool success);
void did_progress(Optional<u32> total_size, u32 downloaded_size);
void set_payload(const ByteBuffer&);
void set_response_headers(const HashMap<String, String>&);
private:
i32 m_id;
@ -62,5 +65,6 @@ private:
Optional<u32> m_total_size {};
size_t m_downloaded_size { 0 };
ByteBuffer m_payload;
HashMap<String, String> m_response_headers;
WeakPtr<PSClientConnection> m_client;
};

6
Servers/ProtocolServer/HttpDownload.cpp
View file

@ -33,8 +33,10 @@ HttpDownload::HttpDownload(PSClientConnection& client, NonnullRefPtr<HTTP::HttpJ
, m_job(job)
{
m_job->on_finish = [this](bool success) {
if (m_job->response())
set_payload(m_job->response()->payload());
if (auto* response = m_job->response()) {
set_payload(response->payload());
set_response_headers(response->headers());
}
// if we didn't know the total size, pretend that the download finished successfully
// and set the total size to the downloaded size

6
Servers/ProtocolServer/HttpsDownload.cpp
View file

@ -33,8 +33,10 @@ HttpsDownload::HttpsDownload(PSClientConnection& client, NonnullRefPtr<HTTP::Htt
, m_job(job)
{
m_job->on_finish = [this](bool success) {
if (m_job->response())
set_payload(m_job->response()->payload());
if (auto* response = m_job->response()) {
set_payload(response->payload());
set_response_headers(response->headers());
}
// if we didn't know the total size, pretend that the download finished successfully
// and set the total size to the downloaded size

6
Servers/ProtocolServer/PSClientConnection.cpp
View file

@ -87,7 +87,11 @@ void PSClientConnection::did_finish_download(Badge<Download>, Download& download
m_shared_buffers.set(buffer->shbuf_id(), buffer);
}
ASSERT(download.total_size().has_value());
post_message(Messages::ProtocolClient::DownloadFinished(download.id(), success, download.total_size().value(), buffer ? buffer->shbuf_id() : -1));
IPC::Dictionary response_headers;
for (auto& it : download.response_headers())
response_headers.add(it.key, it.value);
post_message(Messages::ProtocolClient::DownloadFinished(download.id(), success, download.total_size().value(), buffer ? buffer->shbuf_id() : -1, response_headers));
}
void PSClientConnection::did_progress_download(Badge<Download>, Download& download)

2
Servers/ProtocolServer/ProtocolClient.ipc
View file

@ -2,5 +2,5 @@ endpoint ProtocolClient = 13
{
// Download notifications
DownloadProgress(i32 download_id, Optional<u32> total_size, u32 downloaded_size) =|
DownloadFinished(i32 download_id, bool success, u32 total_size, i32 shbuf_id) =|
DownloadFinished(i32 download_id, bool success, u32 total_size, i32 shbuf_id, IPC::Dictionary response_headers) =|
}

2
Userland/pro.cpp
View file

@ -76,7 +76,7 @@ int main(int argc, char** argv)
previous_downloaded_size = downloaded_size;
prev_time = current_time;
};
download->on_finish = [&](bool success, auto& payload, auto) {
download->on_finish = [&](bool success, auto& payload, auto, auto&) {
fprintf(stderr, "\n");
if (success)
write(STDOUT_FILENO, payload.data(), payload.size());