From 04b9dc2d30cfc9b383029f6a4b02e2725108b0ae Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Thu, 4 Jul 2019 16:16:50 +0200
Subject: Libraries: Create top level directory for libraries.

Things were getting a little crowded in the project root, so this patch
moves the Lib*/ directories into Libraries/.
---
 Libraries/LibCore/CHttpJob.cpp | 118 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 Libraries/LibCore/CHttpJob.cpp

(limited to 'Libraries/LibCore/CHttpJob.cpp')

diff --git a/Libraries/LibCore/CHttpJob.cpp b/Libraries/LibCore/CHttpJob.cpp
new file mode 100644
index 0000000000..a3b00b9175
--- /dev/null
+++ b/Libraries/LibCore/CHttpJob.cpp
@@ -0,0 +1,118 @@
+#include <LibCore/CHttpJob.h>
+#include <LibCore/CHttpResponse.h>
+#include <LibCore/CTCPSocket.h>
+#include <stdio.h>
+#include <unistd.h>
+
+CHttpJob::CHttpJob(const CHttpRequest& request)
+    : m_request(request)
+{
+}
+
+CHttpJob::~CHttpJob()
+{
+}
+
+void CHttpJob::on_socket_connected()
+{
+    auto raw_request = m_request.to_raw_request();
+#if 0
+    printf("raw_request:\n%s\n", String::copy(raw_request).characters());
+#endif
+
+    bool success = m_socket->send(raw_request);
+    if (!success)
+        return deferred_invoke([this](auto&) { did_fail(CNetworkJob::Error::TransmissionFailed); });
+
+    Vector<u8> buffer;
+    while (m_socket->is_connected()) {
+        if (m_state == State::InStatus) {
+            while (!m_socket->can_read_line())
+                usleep(1);
+            ASSERT(m_socket->can_read_line());
+            auto line = m_socket->read_line(PAGE_SIZE);
+            if (line.is_null()) {
+                printf("Expected HTTP status\n");
+                return deferred_invoke([this](auto&) { did_fail(CNetworkJob::Error::TransmissionFailed); });
+            }
+            auto parts = String::copy(line, Chomp).split(' ');
+            if (parts.size() < 3) {
+                printf("Expected 3-part HTTP status, got '%s'\n", line.pointer());
+                return deferred_invoke([this](auto&) { did_fail(CNetworkJob::Error::ProtocolFailed); });
+            }
+            bool ok;
+            m_code = parts[1].to_uint(ok);
+            if (!ok) {
+                printf("Expected numeric HTTP status\n");
+                return deferred_invoke([this](auto&) { did_fail(CNetworkJob::Error::ProtocolFailed); });
+            }
+            m_state = State::InHeaders;
+            continue;
+        }
+        if (m_state == State::InHeaders) {
+            while (!m_socket->can_read_line())
+                usleep(1);
+            auto line = m_socket->read_line(PAGE_SIZE);
+            if (line.is_null()) {
+                printf("Expected HTTP header\n");
+                return did_fail(CNetworkJob::Error::ProtocolFailed);
+            }
+            auto chomped_line = String::copy(line, Chomp);
+            if (chomped_line.is_empty()) {
+                m_state = State::InBody;
+                continue;
+            }
+            auto parts = chomped_line.split(':');
+            if (parts.is_empty()) {
+                printf("Expected HTTP header with key/value\n");
+                return deferred_invoke([this](auto&) { did_fail(CNetworkJob::Error::ProtocolFailed); });
+            }
+            auto name = parts[0];
+            if (chomped_line.length() < name.length() + 2) {
+                printf("Malformed HTTP header: '%s' (%d)\n", chomped_line.characters(), chomped_line.length());
+                return deferred_invoke([this](auto&) { did_fail(CNetworkJob::Error::ProtocolFailed); });
+            }
+            auto value = chomped_line.substring(name.length() + 2, chomped_line.length() - name.length() - 2);
+            m_headers.set(name, value);
+            printf("[%s] = '%s'\n", name.characters(), value.characters());
+            continue;
+        }
+        ASSERT(m_state == State::InBody);
+        while (!m_socket->can_read())
+            usleep(1);
+        ASSERT(m_socket->can_read());
+        auto payload = m_socket->receive(PAGE_SIZE);
+        if (!payload) {
+            if (m_socket->eof()) {
+                m_state = State::Finished;
+                break;
+            }
+            return deferred_invoke([this](auto&) { did_fail(CNetworkJob::Error::ProtocolFailed); });
+        }
+        buffer.append(payload.pointer(), payload.size());
+
+        bool ok;
+        if (buffer.size() >= m_headers.get("Content-Length").to_int(ok) && ok) {
+            m_state = State::Finished;
+            break;
+        }
+    }
+
+    auto response = CHttpResponse::create(m_code, move(m_headers), ByteBuffer::copy(buffer.data(), buffer.size()));
+    deferred_invoke([this, response](auto&) {
+        did_finish(move(response));
+    });
+}
+
+void CHttpJob::start()
+{
+    ASSERT(!m_socket);
+    m_socket = new CTCPSocket(this);
+    m_socket->on_connected = [this] {
+        printf("Socket on_connected callback\n");
+        on_socket_connected();
+    };
+    bool success = m_socket->connect(m_request.hostname(), m_request.port());
+    if (!success)
+        return did_fail(CNetworkJob::Error::ConnectionFailed);
+}
-- 
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