1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Badge.h>
#include <RequestServer/ClientConnection.h>
#include <RequestServer/Protocol.h>
#include <RequestServer/Request.h>
#include <RequestServer/RequestClientEndpoint.h>
#include <netdb.h>
namespace RequestServer {
static HashMap<int, RefPtr<ClientConnection>> s_connections;
ClientConnection::ClientConnection(NonnullRefPtr<Core::LocalSocket> socket, int client_id)
: IPC::ClientConnection<RequestClientEndpoint, RequestServerEndpoint>(*this, move(socket), client_id)
{
s_connections.set(client_id, *this);
}
ClientConnection::~ClientConnection()
{
}
void ClientConnection::die()
{
s_connections.remove(client_id());
if (s_connections.is_empty())
Core::EventLoop::current().quit(0);
}
Messages::RequestServer::IsSupportedProtocolResponse ClientConnection::is_supported_protocol(String const& protocol)
{
bool supported = Protocol::find_by_name(protocol.to_lowercase());
return supported;
}
Messages::RequestServer::StartRequestResponse ClientConnection::start_request(String const& method, URL const& url, IPC::Dictionary const& request_headers, ByteBuffer const& request_body)
{
if (!url.is_valid()) {
dbgln("StartRequest: Invalid URL requested: '{}'", url);
return { -1, Optional<IPC::File> {} };
}
auto* protocol = Protocol::find_by_name(url.protocol());
if (!protocol) {
dbgln("StartRequest: No protocol handler for URL: '{}'", url);
return { -1, Optional<IPC::File> {} };
}
auto request = protocol->start_request(*this, method, url, request_headers.entries(), request_body);
if (!request) {
dbgln("StartRequest: Protocol handler failed to start request: '{}'", url);
return { -1, Optional<IPC::File> {} };
}
auto id = request->id();
auto fd = request->request_fd();
m_requests.set(id, move(request));
return { id, IPC::File(fd, IPC::File::CloseAfterSending) };
}
Messages::RequestServer::StopRequestResponse ClientConnection::stop_request(i32 request_id)
{
auto* request = const_cast<Request*>(m_requests.get(request_id).value_or(nullptr));
bool success = false;
if (request) {
request->stop();
m_requests.remove(request_id);
success = true;
}
return success;
}
void ClientConnection::did_receive_headers(Badge<Request>, Request& request)
{
IPC::Dictionary response_headers;
for (auto& it : request.response_headers())
response_headers.add(it.key, it.value);
async_headers_became_available(request.id(), move(response_headers), request.status_code());
}
void ClientConnection::did_finish_request(Badge<Request>, Request& request, bool success)
{
VERIFY(request.total_size().has_value());
async_request_finished(request.id(), success, request.total_size().value());
m_requests.remove(request.id());
}
void ClientConnection::did_progress_request(Badge<Request>, Request& request)
{
async_request_progress(request.id(), request.total_size(), request.downloaded_size());
}
void ClientConnection::did_request_certificates(Badge<Request>, Request& request)
{
async_certificate_requested(request.id());
}
Messages::RequestServer::SetCertificateResponse ClientConnection::set_certificate(i32 request_id, String const& certificate, String const& key)
{
auto* request = const_cast<Request*>(m_requests.get(request_id).value_or(nullptr));
bool success = false;
if (request) {
request->set_certificate(certificate, key);
success = true;
}
return success;
}
void ClientConnection::ensure_connection(URL const& url, ::RequestServer::CacheLevel const& cache_level)
{
if (!url.is_valid()) {
dbgln("EnsureConnection: Invalid URL requested: '{}'", url);
return;
}
if (cache_level == CacheLevel::ResolveOnly) {
return Core::deferred_invoke([host = url.host()] {
dbgln("EnsureConnection: DNS-preload for {}", host);
(void)gethostbyname(host.characters());
});
}
struct {
URL const& m_url;
void start(NonnullRefPtr<Core::Socket> socket) { socket->connect(m_url.host(), m_url.port_or_default()); }
} job { url };
dbgln("EnsureConnection: Pre-connect to {}", url);
auto do_preconnect = [&](auto& cache) {
auto& connection = ConnectionCache::get_or_create_connection(cache, url, job);
connection.removal_timer->start();
};
if (url.scheme() == "http"sv)
do_preconnect(ConnectionCache::g_tcp_connection_cache);
else if (url.scheme() == "https"sv)
do_preconnect(ConnectionCache::g_tls_connection_cache);
else
dbgln("EnsureConnection: Invalid URL scheme: '{}'", url.scheme());
}
}
|
