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LibCore+LibHTTP: Move out the HTTP handler and add HTTPS

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This commit is contained in:
AnotherTest 2020-04-21 01:55:25 +04:30 • committed by Andreas Kling
parent 8d20a526e5
commit 7670e5ccf0
27 changed files with 613 additions and 70 deletions
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3
Libraries/LibCore/Forward.h
View file

@ -36,9 +36,6 @@ class ElapsedTime;
class Event;
class EventLoop;
class File;
class HttpJob;
class HttpRequest;
class HttpResponse;
class IODevice;
class LocalServer;
class LocalSocket;

216
Libraries/LibCore/HttpJob.cpp
View file

@ -1,216 +0,0 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 HOLDER 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 <LibCore/Gzip.h>
#include <LibCore/HttpJob.h>
#include <LibCore/HttpResponse.h>
#include <LibCore/TCPSocket.h>
#include <stdio.h>
#include <unistd.h>
//#define CHTTPJOB_DEBUG
namespace Core {
static ByteBuffer handle_content_encoding(const ByteBuffer& buf, const String& content_encoding)
{
#ifdef CHTTPJOB_DEBUG
dbg() << "HttpJob::handle_content_encoding: buf has content_encoding = " << content_encoding;
#endif
if (content_encoding == "gzip") {
if (!Gzip::is_compressed(buf)) {
dbg() << "HttpJob::handle_content_encoding: buf is not gzip compressed!";
}
#ifdef CHTTPJOB_DEBUG
dbg() << "HttpJob::handle_content_encoding: buf is gzip compressed!";
#endif
auto uncompressed = Gzip::decompress(buf);
if (!uncompressed.has_value()) {
dbg() << "HttpJob::handle_content_encoding: Gzip::decompress() failed. Returning original buffer.";
return buf;
}
#ifdef CHTTPJOB_DEBUG
dbg() << "HttpJob::handle_content_encoding: Gzip::decompress() successful.\n"
<< " Input size = " << buf.size() << "\n"
<< " Output size = " << uncompressed.value().size();
#endif
return uncompressed.value();
}
return buf;
}
HttpJob::HttpJob(const HttpRequest& request)
: m_request(request)
{
}
HttpJob::~HttpJob()
{
}
void HttpJob::on_socket_connected()
{
auto raw_request = m_request.to_raw_request();
#if 0
dbg() << "HttpJob: raw_request:";
dbg() << String::copy(raw_request).characters();
#endif
bool success = m_socket->send(raw_request);
if (!success)
return deferred_invoke([this](auto&) { did_fail(NetworkJob::Error::TransmissionFailed); });
m_socket->on_ready_to_read = [&] {
if (is_cancelled())
return;
if (m_state == State::InStatus) {
if (!m_socket->can_read_line())
return;
auto line = m_socket->read_line(PAGE_SIZE);
if (line.is_null()) {
fprintf(stderr, "HttpJob: Expected HTTP status\n");
return deferred_invoke([this](auto&) { did_fail(NetworkJob::Error::TransmissionFailed); });
}
auto parts = String::copy(line, Chomp).split(' ');
if (parts.size() < 3) {
fprintf(stderr, "HttpJob: Expected 3-part HTTP status, got '%s'\n", line.data());
return deferred_invoke([this](auto&) { did_fail(NetworkJob::Error::ProtocolFailed); });
}
bool ok;
m_code = parts[1].to_uint(ok);
if (!ok) {
fprintf(stderr, "HttpJob: Expected numeric HTTP status\n");
return deferred_invoke([this](auto&) { did_fail(NetworkJob::Error::ProtocolFailed); });
}
m_state = State::InHeaders;
return;
}
if (m_state == State::InHeaders) {
if (!m_socket->can_read_line())
return;
auto line = m_socket->read_line(PAGE_SIZE);
if (line.is_null()) {
fprintf(stderr, "HttpJob: Expected HTTP header\n");
return did_fail(NetworkJob::Error::ProtocolFailed);
}
auto chomped_line = String::copy(line, Chomp);
if (chomped_line.is_empty()) {
m_state = State::InBody;
return;
}
auto parts = chomped_line.split(':');
if (parts.is_empty()) {
fprintf(stderr, "HttpJob: Expected HTTP header with key/value\n");
return deferred_invoke([this](auto&) { did_fail(NetworkJob::Error::ProtocolFailed); });
}
auto name = parts[0];
if (chomped_line.length() < name.length() + 2) {
fprintf(stderr, "HttpJob: Malformed HTTP header: '%s' (%zu)\n", chomped_line.characters(), chomped_line.length());
return deferred_invoke([this](auto&) { did_fail(NetworkJob::Error::ProtocolFailed); });
}
auto value = chomped_line.substring(name.length() + 2, chomped_line.length() - name.length() - 2);
m_headers.set(name, value);
#ifdef CHTTPJOB_DEBUG
dbg() << "HttpJob: [" << name << "] = '" << value << "'";
#endif
return;
}
ASSERT(m_state == State::InBody);
ASSERT(m_socket->can_read());
auto payload = m_socket->receive(64 * KB);
if (!payload) {
if (m_socket->eof())
return finish_up();
return deferred_invoke([this](auto&) { did_fail(NetworkJob::Error::ProtocolFailed); });
}
m_received_buffers.append(payload);
m_received_size += payload.size();
auto content_length_header = m_headers.get("Content-Length");
if (content_length_header.has_value()) {
bool ok;
if (m_received_size >= content_length_header.value().to_uint(ok) && ok)
return finish_up();
}
};
}
void HttpJob::finish_up()
{
m_state = State::Finished;
auto flattened_buffer = ByteBuffer::create_uninitialized(m_received_size);
u8* flat_ptr = flattened_buffer.data();
for (auto& received_buffer : m_received_buffers) {
memcpy(flat_ptr, received_buffer.data(), received_buffer.size());
flat_ptr += received_buffer.size();
}
m_received_buffers.clear();
auto content_encoding = m_headers.get("Content-Encoding");
if (content_encoding.has_value()) {
flattened_buffer = handle_content_encoding(flattened_buffer, content_encoding.value());
}
auto response = HttpResponse::create(m_code, move(m_headers), move(flattened_buffer));
deferred_invoke([this, response](auto&) {
did_finish(move(response));
});
}
void HttpJob::start()
{
ASSERT(!m_socket);
m_socket = TCPSocket::construct(this);
m_socket->on_connected = [this] {
#ifdef CHTTPJOB_DEBUG
dbg() << "HttpJob: on_connected callback";
#endif
on_socket_connected();
};
bool success = m_socket->connect(m_request.url().host(), m_request.url().port());
if (!success) {
deferred_invoke([this](auto&) {
return did_fail(NetworkJob::Error::ConnectionFailed);
});
}
}
void HttpJob::shutdown()
{
if (!m_socket)
return;
m_socket->on_ready_to_read = nullptr;
m_socket->on_connected = nullptr;
remove_child(*m_socket);
m_socket = nullptr;
}
}

68
Libraries/LibCore/HttpJob.h
View file

@ -1,68 +0,0 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 HOLDER 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.
*/
#pragma once
#include <AK/HashMap.h>
#include <LibCore/HttpRequest.h>
#include <LibCore/HttpResponse.h>
#include <LibCore/NetworkJob.h>
namespace Core {
class HttpJob final : public NetworkJob {
C_OBJECT(HttpJob)
public:
explicit HttpJob(const HttpRequest&);
virtual ~HttpJob() override;
virtual void start() override;
virtual void shutdown() override;
HttpResponse* response() { return static_cast<HttpResponse*>(NetworkJob::response()); }
const HttpResponse* response() const { return static_cast<const HttpResponse*>(NetworkJob::response()); }
private:
void on_socket_connected();
void finish_up();
enum class State {
InStatus,
InHeaders,
InBody,
Finished,
};
HttpRequest m_request;
RefPtr<TCPSocket> m_socket;
State m_state { State::InStatus };
int m_code { -1 };
HashMap<String, String> m_headers;
Vector<ByteBuffer> m_received_buffers;
size_t m_received_size { 0 };
};
}

180
Libraries/LibCore/HttpRequest.cpp
View file

@ -1,180 +0,0 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 HOLDER 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 <AK/StringBuilder.h>
#include <LibCore/HttpJob.h>
#include <LibCore/HttpRequest.h>
namespace Core {
HttpRequest::HttpRequest()
{
}
HttpRequest::~HttpRequest()
{
}
RefPtr<NetworkJob> HttpRequest::schedule()
{
auto job = HttpJob::construct(*this);
job->start();
return job;
}
String HttpRequest::method_name() const
{
switch (m_method) {
case Method::GET:
return "GET";
case Method::HEAD:
return "HEAD";
case Method::POST:
return "POST";
default:
ASSERT_NOT_REACHED();
}
}
ByteBuffer HttpRequest::to_raw_request() const
{
StringBuilder builder;
builder.append(method_name());
builder.append(' ');
builder.append(m_url.path());
builder.append(" HTTP/1.0\r\nHost: ");
builder.append(m_url.host());
builder.append("\r\n\r\n");
return builder.to_byte_buffer();
}
Optional<HttpRequest> HttpRequest::from_raw_request(const ByteBuffer& raw_request)
{
enum class State {
InMethod,
InResource,
InProtocol,
InHeaderName,
InHeaderValue,
};
State state { State::InMethod };
size_t index = 0;
auto peek = [&](int offset = 0) -> u8 {
if (index + offset >= raw_request.size())
return 0;
return raw_request[index + offset];
};
auto consume = [&]() -> u8 {
ASSERT(index < raw_request.size());
return raw_request[index++];
};
Vector<u8, 256> buffer;
String method;
String resource;
String protocol;
Vector<Header> headers;
Header current_header;
auto commit_and_advance_to = [&](auto& output, State new_state) {
output = String::copy(buffer);
buffer.clear();
state = new_state;
};
while (index < raw_request.size()) {
// FIXME: Figure out what the appropriate limitations should be.
if (buffer.size() > 65536)
return {};
switch (state) {
case State::InMethod:
if (peek() == ' ') {
consume();
commit_and_advance_to(method, State::InResource);
break;
}
buffer.append(consume());
break;
case State::InResource:
if (peek() == ' ') {
consume();
commit_and_advance_to(resource, State::InProtocol);
break;
}
buffer.append(consume());
break;
case State::InProtocol:
if (peek(0) == '\r' && peek(1) == '\n') {
consume();
consume();
commit_and_advance_to(protocol, State::InHeaderName);
break;
}
buffer.append(consume());
break;
case State::InHeaderName:
if (peek(0) == ':' && peek(1) == ' ') {
consume();
consume();
commit_and_advance_to(current_header.name, State::InHeaderValue);
break;
}
buffer.append(consume());
break;
case State::InHeaderValue:
if (peek(0) == '\r' && peek(1) == '\n') {
consume();
consume();
commit_and_advance_to(current_header.value, State::InHeaderName);
headers.append(move(current_header));
break;
}
buffer.append(consume());
break;
}
}
HttpRequest request;
if (method == "GET")
request.m_method = Method::GET;
else if (method == "HEAD")
request.m_method = Method::HEAD;
else if (method == "POST")
request.m_method = Method::POST;
else
return {};
request.m_resource = resource;
request.m_headers = move(headers);
return request;
}
}

77
Libraries/LibCore/HttpRequest.h
View file

@ -1,77 +0,0 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 HOLDER 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.
*/
#pragma once
#include <AK/Optional.h>
#include <AK/String.h>
#include <AK/URL.h>
#include <AK/Vector.h>
#include <LibCore/Forward.h>
namespace Core {
class HttpRequest {
public:
enum Method {
Invalid,
HEAD,
GET,
POST
};
struct Header {
String name;
String value;
};
HttpRequest();
~HttpRequest();
const String& resource() const { return m_resource; }
const Vector<Header>& headers() const { return m_headers; }
const URL& url() const { return m_url; }
void set_url(const URL& url) { m_url = url; }
Method method() const { return m_method; }
void set_method(Method method) { m_method = method; }
String method_name() const;
ByteBuffer to_raw_request() const;
RefPtr<NetworkJob> schedule();
static Optional<HttpRequest> from_raw_request(const ByteBuffer&);
private:
URL m_url;
String m_resource;
Method m_method { GET };
Vector<Header> m_headers;
};
}

42
Libraries/LibCore/HttpResponse.cpp
View file

@ -1,42 +0,0 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 HOLDER 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 <LibCore/HttpResponse.h>
namespace Core {
HttpResponse::HttpResponse(int code, HashMap<String, String>&& headers, ByteBuffer&& payload)
: NetworkResponse(move(payload))
, m_code(code)
, m_headers(move(headers))
{
}
HttpResponse::~HttpResponse()
{
}
}

53
Libraries/LibCore/HttpResponse.h
View file

@ -1,53 +0,0 @@
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. 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.
*
* 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 HOLDER 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.
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/String.h>
#include <LibCore/NetworkResponse.h>
namespace Core {
class HttpResponse : public NetworkResponse {
public:
virtual ~HttpResponse() override;
static NonnullRefPtr<HttpResponse> create(int code, HashMap<String, String>&& headers, ByteBuffer&& payload)
{
return adopt(*new HttpResponse(code, move(headers), move(payload)));
}
int code() const { return m_code; }
const HashMap<String, String>& headers() const { return m_headers; }
private:
HttpResponse(int code, HashMap<String, String>&&, ByteBuffer&&);
int m_code { 0 };
HashMap<String, String> m_headers;
};
}

3
Libraries/LibCore/Makefile
View file

@ -9,9 +9,6 @@ OBJS = \
EventLoop.o \
File.o \
Gzip.o \
HttpJob.o \
HttpRequest.o \
HttpResponse.o \
IODevice.o \
LocalServer.o \
LocalSocket.o \