d4708
/
qBittorrent
mirror of https://github.com/d47081/qBittorrent.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Rewrite RequestParser 

* Add more checks and also more strict checks for invalid conditions
* Add http version field
* Raise max request size to 64 MB
* Add author in license
* Use Qt5 new connect syntax
adaptive-webui-19844
Chocobo1 8 years ago
parent
5c2f698cb4
commit
cec68c3fd7
No known key found for this signature in database
GPG Key ID: 210D9C873253A68C
5 changed files with 311 additions and 261 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 71
      src/base/http/connection.cpp
  2. 2
      src/base/http/connection.h
  3. 411
      src/base/http/requestparser.cpp
  4. 36
      src/base/http/requestparser.h
  5. 16
      src/base/http/types.h

71
src/base/http/connection.cpp
Unescape View File

@ -1,5 +1,6 @@ @@ -1,5 +1,6 @@
/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2018 Mike Tzou (Chocobo1)
* Copyright (C) 2014 Vladimir Golovnev <glassez@yandex.ru>
* Copyright (C) 2006 Ishan Arora and Christophe Dumez
*
@ -34,6 +35,7 @@ @@ -34,6 +35,7 @@
#include <QRegExp>
#include <QTcpSocket>
#include "base/logger.h"
#include "irequesthandler.h"
#include "requestparser.h"
#include "responsegenerator.h"
@ -47,7 +49,7 @@ Connection::Connection(QTcpSocket *socket, IRequestHandler *requestHandler, QObj @@ -47,7 +49,7 @@ Connection::Connection(QTcpSocket *socket, IRequestHandler *requestHandler, QObj
{
m_socket->setParent(this);
m_idleTimer.start();
connect(m_socket, SIGNAL(readyRead()), SLOT(read()));
connect(m_socket, &QTcpSocket::readyRead, this, &Connection::read);
}
Connection::~Connection()
@ -58,37 +60,66 @@ Connection::~Connection() @@ -58,37 +60,66 @@ Connection::~Connection()
void Connection::read()
{
m_idleTimer.restart();
m_receivedData.append(m_socket->readAll());
Request request;
RequestParser::ErrorCode err = RequestParser::parse(m_receivedData, request); // TODO: transform request headers to lowercase
switch (err) {
case RequestParser::IncompleteRequest:
// Partial request waiting for the rest
break;
while (!m_receivedData.isEmpty()) {
const RequestParser::ParseResult result = RequestParser::parse(m_receivedData);
case RequestParser::BadRequest:
sendResponse(Response(400, "Bad Request"));
m_receivedData.clear();
break;
switch (result.status) {
case RequestParser::ParseStatus::Incomplete: {
const long bufferLimit = RequestParser::MAX_CONTENT_SIZE * 1.1; // some margin for headers
if (m_receivedData.size() > bufferLimit) {
Logger::instance()->addMessage(tr("Http request size exceeds limiation, closing socket. Limit: %ld, IP: %s")
.arg(bufferLimit).arg(m_socket->peerAddress().toString()), Log::WARNING);
case RequestParser::NoError:
Response resp(413, "Payload Too Large");
resp.headers[HEADER_CONNECTION] = "close";
sendResponse(resp);
m_socket->close();
}
}
return;
case RequestParser::ParseStatus::BadRequest: {
Logger::instance()->addMessage(tr("Bad Http request, closing socket. IP: %s")
.arg(m_socket->peerAddress().toString()), Log::WARNING);
Response resp(400, "Bad Request");
resp.headers[HEADER_CONNECTION] = "close";
sendResponse(resp);
m_socket->close();
}
return;
case RequestParser::ParseStatus::OK: {
const Environment env {m_socket->localAddress(), m_socket->localPort(), m_socket->peerAddress(), m_socket->peerPort()};
Response response = m_requestHandler->processRequest(request, env);
if (acceptsGzipEncoding(request.headers["accept-encoding"]))
response.headers[HEADER_CONTENT_ENCODING] = "gzip";
sendResponse(response);
m_receivedData.clear();
Response resp = m_requestHandler->processRequest(result.request, env);
if (acceptsGzipEncoding(result.request.headers["accept-encoding"]))
resp.headers[HEADER_CONTENT_ENCODING] = "gzip";
resp.headers[HEADER_CONNECTION] = "close";
sendResponse(resp);
m_receivedData = m_receivedData.mid(result.frameSize);
m_socket->close();
}
break;
default:
Q_ASSERT(false);
return;
}
}
}
void Connection::sendResponse(const Response &response)
void Connection::sendResponse(const Response &response) const
{
m_socket->write(toByteArray(response));
m_socket->close(); // TODO: remove when HTTP pipelining is supported
}
bool Connection::hasExpired(const qint64 timeout) const

2
src/base/http/connection.h
Unescape View File

@ -61,7 +61,7 @@ namespace Http @@ -61,7 +61,7 @@ namespace Http
private:
static bool acceptsGzipEncoding(QString codings);
void sendResponse(const Response &response);
void sendResponse(const Response &response) const;
QTcpSocket *m_socket;
IRequestHandler *m_requestHandler;

411
src/base/http/requestparser.cpp
Unescape View File

@ -1,5 +1,6 @@ @@ -1,5 +1,6 @@
/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2018 Mike Tzou (Chocobo1)
* Copyright (C) 2014 Vladimir Golovnev <glassez@yandex.ru>
* Copyright (C) 2006 Ishan Arora and Christophe Dumez <chris@qbittorrent.org>
*
@ -30,242 +31,257 @@ @@ -30,242 +31,257 @@
#include "requestparser.h"
#include <QDebug>
#include <QDir>
#include <QRegularExpression>
#include <QStringList>
#include <QUrl>
#include <QUrlQuery>
const QByteArray EOL("\r\n");
const QByteArray EOH("\r\n\r\n");
#include "base/utils/string.h"
inline QString unquoted(const QString &str)
using namespace Http;
using QStringPair = QPair<QString, QString>;
namespace
{
if ((str[0] == '\"') && (str[str.length() - 1] == '\"'))
return str.mid(1, str.length() - 2);
const QByteArray EOH = QByteArray(CRLF).repeated(2);
return str;
}
const QByteArray viewWithoutEndingWith(const QByteArray &in, const QByteArray &str)
{
if (in.endsWith(str))
return QByteArray::fromRawData(in.constData(), (in.size() - str.size()));
return in;
}
using namespace Http;
QList<QByteArray> splitToViews(const QByteArray &in, const QByteArray &sep, const QString::SplitBehavior behavior = QString::KeepEmptyParts)
{
// mimic QString::split(sep, behavior)
RequestParser::ErrorCode RequestParser::parse(const QByteArray &data, Request &request, uint maxContentLength)
{
return RequestParser(maxContentLength).parseHttpRequest(data, request);
}
if (sep.isEmpty())
return {in};
RequestParser::RequestParser(uint maxContentLength)
: m_maxContentLength(maxContentLength)
{
}
QList<QByteArray> ret;
RequestParser::ErrorCode RequestParser::parseHttpRequest(const QByteArray &data, Request &request)
{
m_request = Request();
int head = 0;
while (head < in.size()) {
int end = in.indexOf(sep, head);
if (end < 0)
end = in.size();
// Parse HTTP request header
const int headerEnd = data.indexOf(EOH);
if (headerEnd < 0) {
qDebug() << Q_FUNC_INFO << "incomplete request";
return IncompleteRequest;
}
// omit empty parts
const QByteArray part = QByteArray::fromRawData((in.constData() + head), (end - head));
if (!part.isEmpty() || (behavior == QString::KeepEmptyParts))
ret += part;
if (!parseHttpHeader(data.left(headerEnd))) {
qWarning() << Q_FUNC_INFO << "header parsing error";
return BadRequest;
head = end + sep.size();
}
// Parse HTTP request message
if (m_request.headers.contains("content-length")) {
int contentLength = m_request.headers["content-length"].toInt();
if (contentLength < 0) {
qWarning() << Q_FUNC_INFO << "bad request: content-length is negative";
return BadRequest;
return ret;
}
if (contentLength > static_cast<int>(m_maxContentLength)) {
qWarning() << Q_FUNC_INFO << "bad request: message too long";
return BadRequest;
}
const QByteArray viewMid(const QByteArray &in, const int pos, const int len = -1)
{
// mimic QByteArray::mid(pos, len) but instead of returning a full-copy,
// we only return a partial view
QByteArray content = data.mid(headerEnd + EOH.length(), contentLength);
if (content.length() < contentLength) {
qDebug() << Q_FUNC_INFO << "incomplete request";
return IncompleteRequest;
if ((pos < 0) || (pos >= in.size()) || (len == 0))
return {};
const int validLen = ((len < 0) || (pos + len) >= in.size())
? in.size() - pos
: len;
return QByteArray::fromRawData(in.constData() + pos, validLen);
}
if ((contentLength > 0) && !parseContent(content)) {
qWarning() << Q_FUNC_INFO << "message parsing error";
return BadRequest;
bool parseHeaderLine(const QString &line, QStringMap &out)
{
// [rfc7230] 3.2. Header Fields
const int i = line.indexOf(':');
if (i <= 0) {
qWarning() << Q_FUNC_INFO << "invalid http header:" << line;
return false;
}
const QString name = line.leftRef(i).trimmed().toString().toLower();
const QString value = line.midRef(i + 1).trimmed().toString();
out[name] = value;
return true;
}
}
// qDebug() << Q_FUNC_INFO;
// qDebug() << "HTTP Request header:";
// qDebug() << data.left(headerEnd) << "\n";
RequestParser::RequestParser()
{
}
request = m_request;
return NoError;
RequestParser::ParseResult RequestParser::parse(const QByteArray &data)
{
// Warning! Header names are converted to lowercase
return RequestParser().doParse(data);
}
bool RequestParser::parseStartingLine(const QString &line)
RequestParser::ParseResult RequestParser::doParse(const QByteArray &data)
{
const QRegExp rx("^([A-Z]+)\\s+(\\S+)\\s+HTTP/\\d\\.\\d$");
// we don't handle malformed requests which use double `LF` as delimiter
const int headerEnd = data.indexOf(EOH);
if (headerEnd < 0) {
qDebug() << Q_FUNC_INFO << "incomplete request";
return {ParseStatus::Incomplete, Request(), 0};
}
if (rx.indexIn(line.trimmed()) >= 0) {
m_request.method = rx.cap(1);
const QString httpHeaders = QString::fromLatin1(data.constData(), headerEnd);
if (!parseStartLines(httpHeaders)) {
qWarning() << Q_FUNC_INFO << "header parsing error";
return {ParseStatus::BadRequest, Request(), 0};
}
QUrl url = QUrl::fromEncoded(rx.cap(2).toLatin1());
m_request.path = url.path(); // Path
const int headerLength = headerEnd + EOH.length();
// Parse GET parameters
QListIterator<QPair<QString, QString> > i(QUrlQuery(url).queryItems());
while (i.hasNext()) {
QPair<QString, QString> pair = i.next();
m_request.gets[pair.first] = pair.second;
// handle supported methods
if ((m_request.method == HEADER_REQUEST_METHOD_GET) || (m_request.method == HEADER_REQUEST_METHOD_HEAD))
return {ParseStatus::OK, m_request, headerLength};
if (m_request.method == HEADER_REQUEST_METHOD_POST) {
bool ok = false;
const int contentLength = m_request.headers[HEADER_CONTENT_LENGTH].toInt(&ok);
if (!ok || (contentLength < 0)) {
qWarning() << Q_FUNC_INFO << "bad request: content-length invalid";
return {ParseStatus::BadRequest, Request(), 0};
}
if (contentLength > MAX_CONTENT_SIZE) {
qWarning() << Q_FUNC_INFO << "bad request: message too long";
return {ParseStatus::BadRequest, Request(), 0};
}
return true;
if (contentLength > 0) {
const QByteArray httpBodyView = viewMid(data, headerLength, contentLength);
if (httpBodyView.length() < contentLength) {
qDebug() << Q_FUNC_INFO << "incomplete request";
return {ParseStatus::Incomplete, Request(), 0};
}
qWarning() << Q_FUNC_INFO << "invalid http header:" << line;
return false;
}
if (!parsePostMessage(httpBodyView)) {
qWarning() << Q_FUNC_INFO << "message body parsing error";
return {ParseStatus::BadRequest, Request(), 0};
}
}
bool RequestParser::parseHeaderLine(const QString &line, QPair<QString, QString> &out)
{
int i = line.indexOf(QLatin1Char(':'));
if (i == -1) {
qWarning() << Q_FUNC_INFO << "invalid http header:" << line;
return false;
return {ParseStatus::OK, m_request, (headerLength + contentLength)};
}
out = qMakePair(line.left(i).trimmed().toLower(), line.mid(i + 1).trimmed());
return true;
qWarning() << Q_FUNC_INFO << "unsupported request method: " << m_request.method;
return {ParseStatus::BadRequest, Request(), 0}; // TODO: SHOULD respond "501 Not Implemented"
}
bool RequestParser::parseHttpHeader(const QByteArray &data)
bool RequestParser::parseStartLines(const QString &data)
{
QString str = QString::fromUtf8(data);
QStringList lines = str.trimmed().split(EOL);
// we don't handle malformed request which uses `LF` for newline
const QVector<QStringRef> lines = data.splitRef(CRLF, QString::SkipEmptyParts);
QStringList headerLines;
foreach (const QString &line, lines) {
if (line[0].isSpace()) { // header line continuation
if (!headerLines.isEmpty()) { // really continuation
headerLines.last() += QLatin1Char(' ');
headerLines.last() += line.trimmed();
}
// [rfc7230] 3.2.2. Field Order
QStringList requestLines;
for (const auto &line : lines) {
if (line.at(0).isSpace() && !requestLines.isEmpty()) {
// continuation of previous line
requestLines.last() += line.toString();
}
else {
headerLines.append(line);
requestLines += line.toString();
}
}
if (headerLines.isEmpty())
return false; // Empty header
QStringList::Iterator it = headerLines.begin();
if (!parseStartingLine(*it))
if (requestLines.isEmpty())
return false;
++it;
for (; it != headerLines.end(); ++it) {
QPair<QString, QString> header;
if (!parseHeaderLine(*it, header))
if (!parseRequestLine(requestLines[0]))
return false;
m_request.headers[header.first] = header.second;
for (auto i = ++(requestLines.begin()); i != requestLines.end(); ++i) {
if (!parseHeaderLine(*i, m_request.headers))
return false;
}
return true;
}
QList<QByteArray> RequestParser::splitMultipartData(const QByteArray &data, const QByteArray &boundary)
bool RequestParser::parseRequestLine(const QString &line)
{
QList<QByteArray> ret;
QByteArray sep = boundary + EOL;
const int sepLength = sep.size();
// [rfc7230] 3.1.1. Request Line
int start = 0, end = 0;
if ((end = data.indexOf(sep, start)) >= 0) {
start = end + sepLength; // skip first boundary
const QRegularExpression re(QLatin1String("^([A-Z]+)\\s+(\\S+)\\s+HTTP\\/(\\d\\.\\d)$"));
const QRegularExpressionMatch match = re.match(line);
while ((end = data.indexOf(sep, start)) >= 0) {
ret << data.mid(start, end - EOL.length() - start);
start = end + sepLength;
if (!match.hasMatch()) {
qWarning() << Q_FUNC_INFO << "invalid http header:" << line;
return false;
}
// last or single part
sep = boundary + "--" + EOL;
if ((end = data.indexOf(sep, start)) >= 0)
ret << data.mid(start, end - EOL.length() - start);
// Request Methods
m_request.method = match.captured(1);
// Request Target
const QUrl url = QUrl::fromEncoded(match.captured(2).toLatin1());
m_request.path = url.path();
// parse queries
QListIterator<QStringPair> i(QUrlQuery(url).queryItems());
while (i.hasNext()) {
const QStringPair pair = i.next();
m_request.gets[pair.first] = pair.second;
}
return ret;
// HTTP-version
m_request.version = match.captured(3);
return true;
}
bool RequestParser::parseContent(const QByteArray &data)
bool RequestParser::parsePostMessage(const QByteArray &data)
{
// Parse message content
qDebug() << Q_FUNC_INFO << "Content-Length: " << m_request.headers["content-length"];
qDebug() << Q_FUNC_INFO << "data.size(): " << data.size();
// Parse url-encoded POST data
if (m_request.headers["content-type"].startsWith("application/x-www-form-urlencoded")) {
QUrl url;
url.setQuery(data);
QListIterator<QPair<QString, QString> > i(QUrlQuery(url).queryItems(QUrl::FullyDecoded));
// parse POST message-body
const QString contentType = m_request.headers[HEADER_CONTENT_TYPE];
const QString contentTypeLower = contentType.toLower();
// application/x-www-form-urlencoded
if (contentTypeLower.startsWith(CONTENT_TYPE_FORM_ENCODED)) {
QListIterator<QStringPair> i(QUrlQuery(data).queryItems(QUrl::FullyDecoded));
while (i.hasNext()) {
QPair<QString, QString> pair = i.next();
const QStringPair pair = i.next();
m_request.posts[pair.first] = pair.second;
}
return true;
}
// Parse multipart/form data (torrent file)
/**
data has the following format (if boundary is "cH2ae0GI3KM7GI3Ij5ae0ei4Ij5Ij5")
--cH2ae0GI3KM7GI3Ij5ae0ei4Ij5Ij5
Content-Disposition: form-data; name=\"Filename\"
// multipart/form-data
if (contentTypeLower.startsWith(CONTENT_TYPE_FORM_DATA)) {
// [rfc2046] 5.1.1. Common Syntax
PB020344.torrent
--cH2ae0GI3KM7GI3Ij5ae0ei4Ij5Ij5
Content-Disposition: form-data; name=\"torrentfile"; filename=\"PB020344.torrent\"
Content-Type: application/x-bittorrent
BINARY DATA IS HERE
--cH2ae0GI3KM7GI3Ij5ae0ei4Ij5Ij5
Content-Disposition: form-data; name=\"Upload\"
Submit Query
--cH2ae0GI3KM7GI3Ij5ae0ei4Ij5Ij5--
**/
QString contentType = m_request.headers["content-type"];
if (contentType.startsWith("multipart/form-data")) {
const QRegExp boundaryRegexQuoted("boundary=\"([ \\w'()+,-\\./:=\\?]+)\"");
const QRegExp boundaryRegexNotQuoted("boundary=([\\w'()+,-\\./:=\\?]+)");
QByteArray boundary;
if (boundaryRegexQuoted.indexIn(contentType) < 0) {
if (boundaryRegexNotQuoted.indexIn(contentType) < 0) {
qWarning() << "Could not find boundary in multipart/form-data header!";
// find boundary delimiter
const QLatin1String boundaryFieldName("boundary=");
const int idx = contentType.indexOf(boundaryFieldName);
if (idx < 0) {
qWarning() << Q_FUNC_INFO << "Could not find boundary in multipart/form-data header!";
return false;
}
else {
boundary = "--" + boundaryRegexNotQuoted.cap(1).toLatin1();
}
const QByteArray delimiter = Utils::String::unquote(contentType.midRef(idx + boundaryFieldName.size())).toLatin1();
if (delimiter.isEmpty()) {
qWarning() << Q_FUNC_INFO << "boundary delimiter field emtpy!";
return false;
}
else {
boundary = "--" + boundaryRegexQuoted.cap(1).toLatin1();
// split data by "dash-boundary"
const QByteArray dashDelimiter = QByteArray("--") + delimiter + CRLF;
QList<QByteArray> multipart = splitToViews(data, dashDelimiter, QString::SkipEmptyParts);
if (multipart.isEmpty()) {
qWarning() << Q_FUNC_INFO << "multipart empty";
return false;
}
qDebug() << "Boundary is " << boundary;
QList<QByteArray> parts = splitMultipartData(data, boundary);
qDebug() << parts.size() << "parts in data";
// remove the ending delimiter
const QByteArray endDelimiter = QByteArray("--") + delimiter + QByteArray("--") + CRLF;
multipart.push_back(viewWithoutEndingWith(multipart.takeLast(), endDelimiter));
foreach (const QByteArray& part, parts) {
for (const auto &part : multipart) {
if (!parseFormData(part))
return false;
}
@ -273,71 +289,60 @@ Submit Query @@ -273,71 +289,60 @@ Submit Query
return true;
}
qWarning() << Q_FUNC_INFO << "unknown content type:" << qPrintable(contentType);
qWarning() << Q_FUNC_INFO << "unknown content type:" << contentType;
return false;
}
bool RequestParser::parseFormData(const QByteArray &data)
{
// Parse form data header
const int headerEnd = data.indexOf(EOH);
if (headerEnd < 0) {
qDebug() << "Invalid form data: \n" << data;
return false;
}
const QList<QByteArray> list = splitToViews(data, EOH, QString::KeepEmptyParts);
QString headerStr = QString::fromUtf8(data.left(headerEnd));
QStringList lines = headerStr.trimmed().split(EOL);
QStringMap headers;
foreach (const QString& line, lines) {
QPair<QString, QString> header;
if (!parseHeaderLine(line, header))
if (list.size() != 2) {
qWarning() << Q_FUNC_INFO << "multipart/form-data format error";
return false;
headers[header.first] = header.second;
}
QStringMap disposition;
if (!headers.contains("content-disposition")
|| !parseHeaderValue(headers["content-disposition"], disposition)
|| !disposition.contains("name")) {
qDebug() << "Invalid form data header: \n" << headerStr;
return false;
}
const QString headers = QString::fromLatin1(list[0]);
const QByteArray payload = viewWithoutEndingWith(list[1], CRLF);
QStringMap headersMap;
const QVector<QStringRef> headerLines = headers.splitRef(CRLF, QString::SkipEmptyParts);
for (const auto &line : headerLines) {
if (line.trimmed().startsWith(HEADER_CONTENT_DISPOSITION, Qt::CaseInsensitive)) {
// extract out filename & name
const QVector<QStringRef> directives = line.split(';', QString::SkipEmptyParts);
if (disposition.contains("filename")) {
UploadedFile ufile;
ufile.filename = disposition["filename"];
ufile.type = disposition["content-type"];
ufile.data = data.mid(headerEnd + EOH.length());
for (const auto &directive : directives) {
const int idx = directive.indexOf('=');
if (idx < 0)
continue;
m_request.files.append(ufile);
const QString name = directive.left(idx).trimmed().toString().toLower();
const QString value = Utils::String::unquote(directive.mid(idx + 1).trimmed()).toString();
headersMap[name] = value;
}
}
else {
m_request.posts[disposition["name"]] = QString::fromUtf8(data.mid(headerEnd + EOH.length()));
if (!parseHeaderLine(line.toString(), headersMap))
return false;
}
return true;
}
bool RequestParser::parseHeaderValue(const QString &value, QStringMap &out)
{
int pos = value.indexOf(QLatin1Char(';'));
if (pos == -1) {
out[""] = value.trimmed();
return true;
}
out[""] = value.left(pos).trimmed();
// pick data
const QLatin1String filename("filename");
const QLatin1String name("name");
QRegExp rx(";\\s*([^=;\"]+)\\s*=\\s*(\"[^\"]*\"|[^\";\\s]+)\\s*");
while (rx.indexIn(value, pos) == pos) {
out[rx.cap(1).trimmed()] = unquoted(rx.cap(2));
pos += rx.cap(0).length();
if (headersMap.contains(filename)) {
m_request.files.append({filename, headersMap[HEADER_CONTENT_TYPE], payload});
}
if (pos != value.length())
else if (headersMap.contains(name)) {
m_request.posts[headersMap[name]] = payload;
}
else {
// malformed
qWarning() << Q_FUNC_INFO << "multipart/form-data header error";
return false;
}
return true;
}

36
src/base/http/requestparser.h
Unescape View File

@ -1,5 +1,6 @@ @@ -1,5 +1,6 @@
/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2018 Mike Tzou (Chocobo1)
* Copyright (C) 2014 Vladimir Golovnev <glassez@yandex.ru>
* Copyright (C) 2006 Ishan Arora and Christophe Dumez <chris@qbittorrent.org>
*
@ -37,32 +38,35 @@ namespace Http @@ -37,32 +38,35 @@ namespace Http
class RequestParser
{
public:
enum ErrorCode
enum class ParseStatus
{
NoError = 0,
IncompleteRequest,
OK,
Incomplete,
BadRequest
};
// when result != NoError parsed request is undefined
// Warning! Header names are converted to lower-case.
static ErrorCode parse(const QByteArray &data, Request &request, uint maxContentLength = 10000000 /* ~10MB */);
struct ParseResult
{
// when `status != ParseStatus::OK`, `request` & `frameSize` are undefined
ParseStatus status;
Request request;
long frameSize; // http request frame size (bytes)
};
static ParseResult parse(const QByteArray &data);
static const long MAX_CONTENT_SIZE = 64 * 1024 * 1024; // 64 MB
private:
RequestParser(uint maxContentLength);
RequestParser();
ErrorCode parseHttpRequest(const QByteArray &data, Request &request);
ParseResult doParse(const QByteArray &data);
bool parseStartLines(const QString &data);
bool parseRequestLine(const QString &line);
bool parseHttpHeader(const QByteArray &data);
bool parseStartingLine(const QString &line);
bool parseContent(const QByteArray &data);
bool parsePostMessage(const QByteArray &data);
bool parseFormData(const QByteArray &data);
QList<QByteArray> splitMultipartData(const QByteArray &data, const QByteArray &boundary);
static bool parseHeaderLine(const QString &line, QPair<QString, QString> &out);
static bool parseHeaderValue(const QString &value, QStringMap &out);
const uint m_maxContentLength;
Request m_request;
};
}

16
src/base/http/types.h
Unescape View File

@ -1,5 +1,6 @@ @@ -1,5 +1,6 @@
/*
* Bittorrent Client using Qt and libtorrent.
* Copyright (C) 2018 Mike Tzou (Chocobo1)
* Copyright (C) 2014 Vladimir Golovnev <glassez@yandex.ru>
*
* This program is free software; you can redistribute it and/or
@ -41,6 +42,8 @@ namespace Http @@ -41,6 +42,8 @@ namespace Http
const char METHOD_POST[] = "POST";
const char HEADER_CACHE_CONTROL[] = "cache-control";
const char HEADER_CONNECTION[] = "connection";
const char HEADER_CONTENT_DISPOSITION[] = "content-disposition";
const char HEADER_CONTENT_ENCODING[] = "content-encoding";
const char HEADER_CONTENT_LENGTH[] = "content-length";
const char HEADER_CONTENT_SECURITY_POLICY[] = "content-security-policy";
@ -55,6 +58,10 @@ namespace Http @@ -55,6 +58,10 @@ namespace Http
const char HEADER_X_FRAME_OPTIONS[] = "x-frame-options";
const char HEADER_X_XSS_PROTECTION[] = "x-xss-protection";
const char HEADER_REQUEST_METHOD_GET[] = "GET";
const char HEADER_REQUEST_METHOD_HEAD[] = "HEAD";
const char HEADER_REQUEST_METHOD_POST[] = "POST";
const char CONTENT_TYPE_HTML[] = "text/html";
const char CONTENT_TYPE_JS[] = "application/javascript";
const char CONTENT_TYPE_JSON[] = "application/json";
@ -64,8 +71,10 @@ namespace Http @@ -64,8 +71,10 @@ namespace Http
const char CONTENT_TYPE_PNG[] = "image/png";
const char CONTENT_TYPE_TXT[] = "text/plain";
const char CONTENT_TYPE_SVG[] = "image/svg+xml";
const char CONTENT_TYPE_FORM_ENCODED[] = "application/x-www-form-urlencoded";
const char CONTENT_TYPE_FORM_DATA[] = "multipart/form-data";
// portability: "\r\n" doesn't guarantee mapping to the correct value
// portability: "\r\n" doesn't guarantee mapping to the correct symbol
const char CRLF[] = {0x0D, 0x0A, '\0'};
struct Environment
@ -79,13 +88,14 @@ namespace Http @@ -79,13 +88,14 @@ namespace Http
struct UploadedFile
{
QString filename; // original filename
QString filename;
QString type; // MIME type
QByteArray data; // File data
QByteArray data;
};
struct Request
{
QString version;
QString method;
QString path;
QStringMap headers;

Write Preview
Loading…
Cancel
Save