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/**
@file
@author Stefan Frings
*/
#include "httpresponse.h"
HttpResponse::HttpResponse(QTcpSocket* socket) {
this->socket=socket;
statusCode=200;
statusText="OK";
sentHeaders=false;
sentLastPart=false;
buffersize=40960;
barry.reserve(40960);
userdata_=NULL;
}
void HttpResponse::setHeader(QByteArray name, QByteArray value) {
Q_ASSERT(sentHeaders==false);
headers.insert(name,value);
}
void HttpResponse::setHeader(QByteArray name, int value) {
Q_ASSERT(sentHeaders==false);
headers.insert(name,QByteArray::number(value));
}
QMap<QByteArray,QByteArray>& HttpResponse::getHeaders() {
return headers;
}
void HttpResponse::setStatus(int statusCode, QByteArray description) {
this->statusCode=statusCode;
statusText=description;
}
void HttpResponse::writeHeaders() {
Q_ASSERT(sentHeaders==false);
QByteArray buffer;
buffer.append("HTTP/1.1 ");
buffer.append(QByteArray::number(statusCode));
buffer.append(' ');
buffer.append(statusText);
buffer.append("\r\n");
foreach(QByteArray name, headers.keys()) {
buffer.append(name);
buffer.append(": ");
buffer.append(headers.value(name));
buffer.append("\r\n");
}
foreach(HttpCookie cookie,cookies.values()) {
buffer.append("Set-Cookie: ");
buffer.append(cookie.toByteArray());
buffer.append("\r\n");
}
buffer.append("\r\n");
writeToSocket(buffer);
sentHeaders=true;
}
bool HttpResponse::writeToSocket(QByteArray data) {
int remaining=data.size();
char* ptr=data.data();
while (socket->isOpen() && remaining>0) {
// Wait until the previous buffer content is written out, otherwise it could become very large
socket->waitForBytesWritten(-1);
int written=socket->write(ptr,remaining);
if (written==-1) {
return false;
}
ptr+=written;
remaining-=written;
}
return true;
}
void HttpResponse::bwrite(QByteArray data)
{
if (barry.size() && (barry.size() + data.size() > buffersize)) {
// flush buffer
write(barry);
barry = data;
} else {
barry.append(data);
}
}
void HttpResponse::flush()
{
if (barry.size()) {
write(barry, true);
barry.clear();
}
}
void HttpResponse::write(QByteArray data, bool lastPart) {
Q_ASSERT(sentLastPart==false);
if (sentHeaders==false) {
QByteArray connectionMode=headers.value("Connection");
if (!headers.contains("Content-Length") && !headers.contains("Transfer-Encoding") && connectionMode!="close" && connectionMode!="Close") {
if (!lastPart) {
headers.insert("Transfer-Encoding","chunked");
}
else {
headers.insert("Content-Length",QByteArray::number(data.size()));
}
}
writeHeaders();
}
bool chunked=headers.value("Transfer-Encoding")=="chunked" || headers.value("Transfer-Encoding")=="Chunked";
if (chunked) {
if (data.size()>0) {
QByteArray buffer=QByteArray::number(data.size(),16);
buffer.append("\r\n");
writeToSocket(buffer);
writeToSocket(data);
writeToSocket("\r\n");
}
}
else {
writeToSocket(data);
}
if (lastPart) {
if (chunked) {
writeToSocket("0\r\n\r\n");
}
else if (!headers.contains("Content-Length")) {
socket->disconnectFromHost();
}
sentLastPart=true;
}
}
bool HttpResponse::hasSentLastPart() const {
return sentLastPart;
}
void HttpResponse::setCookie(const HttpCookie& cookie) {
Q_ASSERT(sentHeaders==false);
if (!cookie.getName().isEmpty()) {
cookies.insert(cookie.getName(),cookie);
}
}
QMap<QByteArray,HttpCookie>& HttpResponse::getCookies() {
return cookies;
}
void HttpResponse::redirect(const QByteArray& url) {
setStatus(303,"See Other");
setHeader("Location",url);
write("Redirect",true);
}
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