mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-11-05 08:21:16 -05:00
589 lines
17 KiB
C++
589 lines
17 KiB
C++
/**
|
|
@file
|
|
@author Stefan Frings
|
|
*/
|
|
|
|
#include "httprequest.h"
|
|
#include "httplistenersettings.h"
|
|
|
|
#include <QList>
|
|
#include <QDir>
|
|
#include "httpcookie.h"
|
|
|
|
using namespace qtwebapp;
|
|
|
|
HttpRequest::HttpRequest(QSettings* settings) :
|
|
useQtSettings(true)
|
|
{
|
|
Q_ASSERT(settings != 0);
|
|
status=waitForRequest;
|
|
currentSize=0;
|
|
expectedBodySize=0;
|
|
maxSize=settings->value("maxRequestSize","16000").toInt();
|
|
maxMultiPartSize=settings->value("maxMultiPartSize","1000000").toInt();
|
|
tempFile=0;
|
|
}
|
|
|
|
HttpRequest::HttpRequest(const HttpListenerSettings* settings) :
|
|
useQtSettings(false)
|
|
{
|
|
Q_ASSERT(settings != 0);
|
|
status=waitForRequest;
|
|
currentSize=0;
|
|
expectedBodySize=0;
|
|
maxSize=settings->maxRequestSize;
|
|
maxMultiPartSize=settings->maxMultiPartSize;
|
|
tempFile=0;
|
|
}
|
|
|
|
|
|
void HttpRequest::readRequest(QTcpSocket* socket)
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readRequest: read request");
|
|
#endif
|
|
int toRead=maxSize-currentSize+1; // allow one byte more to be able to detect overflow
|
|
lineBuffer.append(socket->readLine(toRead));
|
|
currentSize+=lineBuffer.size();
|
|
if (!lineBuffer.contains('\r') && !lineBuffer.contains('\n'))
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readRequest: collecting more parts until line break");
|
|
#endif
|
|
return;
|
|
}
|
|
QByteArray newData=lineBuffer.trimmed();
|
|
lineBuffer.clear();
|
|
if (!newData.isEmpty())
|
|
{
|
|
QList<QByteArray> list=newData.split(' ');
|
|
if (list.count()!=3 || !list.at(2).contains("HTTP"))
|
|
{
|
|
qWarning("HttpRequest::readRequest: received broken HTTP request, invalid first line");
|
|
status=abort;
|
|
}
|
|
else {
|
|
method=list.at(0).trimmed();
|
|
path=list.at(1);
|
|
version=list.at(2);
|
|
peerAddress = socket->peerAddress();
|
|
status=waitForHeader;
|
|
}
|
|
}
|
|
}
|
|
|
|
void HttpRequest::readHeader(QTcpSocket* socket)
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readHeader");
|
|
#endif
|
|
int toRead=maxSize-currentSize+1; // allow one byte more to be able to detect overflow
|
|
lineBuffer.append(socket->readLine(toRead));
|
|
currentSize+=lineBuffer.size();
|
|
if (!lineBuffer.contains('\r') && !lineBuffer.contains('\n'))
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readHeader: collecting more parts until line break");
|
|
#endif
|
|
return;
|
|
}
|
|
QByteArray newData=lineBuffer.trimmed();
|
|
lineBuffer.clear();
|
|
int colon=newData.indexOf(':');
|
|
if (colon>0)
|
|
{
|
|
// Received a line with a colon - a header
|
|
currentHeader=newData.left(colon).toLower();
|
|
QByteArray value=newData.mid(colon+1).trimmed();
|
|
headers.insert(currentHeader,value);
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readHeader: received header %s: %s",currentHeader.data(),value.data());
|
|
#endif
|
|
}
|
|
else if (!newData.isEmpty())
|
|
{
|
|
// received another line - belongs to the previous header
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readHeader: read additional line of header");
|
|
#endif
|
|
// Received additional line of previous header
|
|
if (headers.contains(currentHeader)) {
|
|
headers.insert(currentHeader,headers.value(currentHeader)+" "+newData);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// received an empty line - end of headers reached
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readHeader: headers completed");
|
|
#endif
|
|
// Empty line received, that means all headers have been received
|
|
// Check for multipart/form-data
|
|
QByteArray contentType=headers.value("content-type");
|
|
if (contentType.startsWith("multipart/form-data"))
|
|
{
|
|
int posi=contentType.indexOf("boundary=");
|
|
if (posi>=0) {
|
|
boundary=contentType.mid(posi+9);
|
|
if (boundary.startsWith('"') && boundary.endsWith('"'))
|
|
{
|
|
boundary = boundary.mid(1,boundary.length()-2);
|
|
}
|
|
}
|
|
}
|
|
QByteArray contentLength=headers.value("content-length");
|
|
if (!contentLength.isEmpty())
|
|
{
|
|
expectedBodySize=contentLength.toInt();
|
|
}
|
|
if (expectedBodySize==0)
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readHeader: expect no body");
|
|
#endif
|
|
status=complete;
|
|
}
|
|
else if (boundary.isEmpty() && expectedBodySize+currentSize>maxSize)
|
|
{
|
|
qWarning("HttpRequest::readHeader: expected body is too large");
|
|
status=abort;
|
|
}
|
|
else if (!boundary.isEmpty() && expectedBodySize>maxMultiPartSize)
|
|
{
|
|
qWarning("HttpRequest::readHeader: expected multipart body is too large");
|
|
status=abort;
|
|
}
|
|
else {
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readHeader: expect %i bytes body",expectedBodySize);
|
|
#endif
|
|
status=waitForBody;
|
|
}
|
|
}
|
|
}
|
|
|
|
void HttpRequest::readBody(QTcpSocket* socket)
|
|
{
|
|
Q_ASSERT(expectedBodySize!=0);
|
|
if (boundary.isEmpty())
|
|
{
|
|
// normal body, no multipart
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readBody: receive body");
|
|
#endif
|
|
int toRead=expectedBodySize-bodyData.size();
|
|
QByteArray newData=socket->read(toRead);
|
|
currentSize+=newData.size();
|
|
bodyData.append(newData);
|
|
if (bodyData.size()>=expectedBodySize)
|
|
{
|
|
status=complete;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// multipart body, store into temp file
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readBody: receiving multipart body");
|
|
#endif
|
|
// Create an object for the temporary file, if not already present
|
|
if (tempFile == NULL)
|
|
{
|
|
tempFile = new QTemporaryFile;
|
|
}
|
|
if (!tempFile->isOpen())
|
|
{
|
|
tempFile->open();
|
|
}
|
|
// Transfer data in 64kb blocks
|
|
int fileSize=tempFile->size();
|
|
int toRead=expectedBodySize-fileSize;
|
|
if (toRead>65536)
|
|
{
|
|
toRead=65536;
|
|
}
|
|
fileSize+=tempFile->write(socket->read(toRead));
|
|
if (fileSize>=maxMultiPartSize)
|
|
{
|
|
qWarning("HttpRequest::readBody: received too many multipart bytes");
|
|
status=abort;
|
|
}
|
|
else if (fileSize>=expectedBodySize)
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::readBody: received whole multipart body");
|
|
#endif
|
|
tempFile->flush();
|
|
if (tempFile->error())
|
|
{
|
|
qCritical("HttpRequest::readBody: Error writing temp file for multipart body");
|
|
}
|
|
parseMultiPartFile();
|
|
tempFile->close();
|
|
status=complete;
|
|
}
|
|
}
|
|
}
|
|
|
|
void HttpRequest::decodeRequestParams()
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::decodeRequestParams: extract and decode request parameters");
|
|
#endif
|
|
// Get URL parameters
|
|
QByteArray rawParameters;
|
|
int questionMark=path.indexOf('?');
|
|
if (questionMark>=0)
|
|
{
|
|
rawParameters=path.mid(questionMark+1);
|
|
path=path.left(questionMark);
|
|
}
|
|
// Get request body parameters
|
|
QByteArray contentType=headers.value("content-type");
|
|
if (!bodyData.isEmpty() && (contentType.isEmpty() || contentType.startsWith("application/x-www-form-urlencoded")))
|
|
{
|
|
if (!rawParameters.isEmpty())
|
|
{
|
|
rawParameters.append('&');
|
|
rawParameters.append(bodyData);
|
|
}
|
|
else
|
|
{
|
|
rawParameters=bodyData;
|
|
}
|
|
}
|
|
// Split the parameters into pairs of value and name
|
|
QList<QByteArray> list=rawParameters.split('&');
|
|
foreach (QByteArray part, list)
|
|
{
|
|
int equalsChar=part.indexOf('=');
|
|
if (equalsChar>=0)
|
|
{
|
|
QByteArray name=part.left(equalsChar).trimmed();
|
|
QByteArray value=part.mid(equalsChar+1).trimmed();
|
|
parameters.insert(urlDecode(name),urlDecode(value));
|
|
}
|
|
else if (!part.isEmpty())
|
|
{
|
|
// Name without value
|
|
parameters.insert(urlDecode(part),"");
|
|
}
|
|
}
|
|
}
|
|
|
|
void HttpRequest::extractCookies()
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::extractCookies");
|
|
#endif
|
|
foreach(QByteArray cookieStr, headers.values("cookie"))
|
|
{
|
|
QList<QByteArray> list=HttpCookie::splitCSV(cookieStr);
|
|
foreach(QByteArray part, list)
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::extractCookies: found cookie %s",part.data());
|
|
#endif // Split the part into name and value
|
|
QByteArray name;
|
|
QByteArray value;
|
|
int posi=part.indexOf('=');
|
|
if (posi)
|
|
{
|
|
name=part.left(posi).trimmed();
|
|
value=part.mid(posi+1).trimmed();
|
|
}
|
|
else
|
|
{
|
|
name=part.trimmed();
|
|
value="";
|
|
}
|
|
cookies.insert(name,value);
|
|
}
|
|
}
|
|
headers.remove("cookie");
|
|
}
|
|
|
|
void HttpRequest::readFromSocket(QTcpSocket* socket)
|
|
{
|
|
Q_ASSERT(status!=complete);
|
|
if (status==waitForRequest)
|
|
{
|
|
readRequest(socket);
|
|
}
|
|
else if (status==waitForHeader)
|
|
{
|
|
readHeader(socket);
|
|
}
|
|
else if (status==waitForBody)
|
|
{
|
|
readBody(socket);
|
|
}
|
|
if ((boundary.isEmpty() && currentSize>maxSize) || (!boundary.isEmpty() && currentSize>maxMultiPartSize))
|
|
{
|
|
qWarning("HttpRequest::readFromSocket: received too many bytes");
|
|
status=abort;
|
|
}
|
|
if (status==complete)
|
|
{
|
|
// Extract and decode request parameters from url and body
|
|
decodeRequestParams();
|
|
// Extract cookies from headers
|
|
extractCookies();
|
|
}
|
|
}
|
|
|
|
|
|
HttpRequest::RequestStatus HttpRequest::getStatus() const
|
|
{
|
|
return status;
|
|
}
|
|
|
|
|
|
QByteArray HttpRequest::getMethod() const
|
|
{
|
|
return method;
|
|
}
|
|
|
|
|
|
QByteArray HttpRequest::getPath() const
|
|
{
|
|
return urlDecode(path);
|
|
}
|
|
|
|
|
|
const QByteArray& HttpRequest::getRawPath() const
|
|
{
|
|
return path;
|
|
}
|
|
|
|
|
|
QByteArray HttpRequest::getVersion() const
|
|
{
|
|
return version;
|
|
}
|
|
|
|
|
|
QByteArray HttpRequest::getHeader(const QByteArray& name) const
|
|
{
|
|
return headers.value(name.toLower());
|
|
}
|
|
|
|
QList<QByteArray> HttpRequest::getHeaders(const QByteArray& name) const
|
|
{
|
|
return headers.values(name.toLower());
|
|
}
|
|
|
|
QMultiMap<QByteArray,QByteArray> HttpRequest::getHeaderMap() const
|
|
{
|
|
return headers;
|
|
}
|
|
|
|
QByteArray HttpRequest::getParameter(const QByteArray& name) const
|
|
{
|
|
return parameters.value(name);
|
|
}
|
|
|
|
QList<QByteArray> HttpRequest::getParameters(const QByteArray& name) const
|
|
{
|
|
return parameters.values(name);
|
|
}
|
|
|
|
QMultiMap<QByteArray,QByteArray> HttpRequest::getParameterMap() const
|
|
{
|
|
return parameters;
|
|
}
|
|
|
|
QByteArray HttpRequest::getBody() const
|
|
{
|
|
return bodyData;
|
|
}
|
|
|
|
QByteArray HttpRequest::urlDecode(const QByteArray source)
|
|
{
|
|
QByteArray buffer(source);
|
|
buffer.replace('+',' ');
|
|
int percentChar=buffer.indexOf('%');
|
|
while (percentChar>=0)
|
|
{
|
|
bool ok;
|
|
char byte=buffer.mid(percentChar+1,2).toInt(&ok,16);
|
|
if (ok)
|
|
{
|
|
buffer.replace(percentChar,3,(char*)&byte,1);
|
|
}
|
|
percentChar=buffer.indexOf('%',percentChar+1);
|
|
}
|
|
return buffer;
|
|
}
|
|
|
|
|
|
void HttpRequest::parseMultiPartFile()
|
|
{
|
|
qDebug("HttpRequest::parseMultiPartFile: parsing multipart temp file");
|
|
tempFile->seek(0);
|
|
bool finished=false;
|
|
while (!tempFile->atEnd() && !finished && !tempFile->error())
|
|
{
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::parseMultiPartFile: reading multpart headers");
|
|
#endif
|
|
QByteArray fieldName;
|
|
QByteArray fileName;
|
|
while (!tempFile->atEnd() && !finished && !tempFile->error())
|
|
{
|
|
QByteArray line=tempFile->readLine(65536).trimmed();
|
|
if (line.startsWith("Content-Disposition:"))
|
|
{
|
|
if (line.contains("form-data"))
|
|
{
|
|
int start=line.indexOf(" name=\"");
|
|
int end=line.indexOf("\"",start+7);
|
|
if (start>=0 && end>=start)
|
|
{
|
|
fieldName=line.mid(start+7,end-start-7);
|
|
}
|
|
start=line.indexOf(" filename=\"");
|
|
end=line.indexOf("\"",start+11);
|
|
if (start>=0 && end>=start)
|
|
{
|
|
fileName=line.mid(start+11,end-start-11);
|
|
}
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::parseMultiPartFile: multipart field=%s, filename=%s",fieldName.data(),fileName.data());
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
qDebug("HttpRequest::parseMultiPartFile: ignoring unsupported content part %s",line.data());
|
|
}
|
|
}
|
|
else if (line.isEmpty())
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::parseMultiPartFile: reading multpart data");
|
|
#endif
|
|
QTemporaryFile* uploadedFile=0;
|
|
QByteArray fieldValue;
|
|
while (!tempFile->atEnd() && !finished && !tempFile->error())
|
|
{
|
|
QByteArray line=tempFile->readLine(65536);
|
|
if (line.startsWith("--"+boundary))
|
|
{
|
|
// Boundary found. Until now we have collected 2 bytes too much,
|
|
// so remove them from the last result
|
|
if (fileName.isEmpty() && !fieldName.isEmpty())
|
|
{
|
|
// last field was a form field
|
|
fieldValue.remove(fieldValue.size()-2,2);
|
|
parameters.insert(fieldName,fieldValue);
|
|
qDebug("HttpRequest: set parameter %s=%s",fieldName.data(),fieldValue.data());
|
|
}
|
|
else if (!fileName.isEmpty() && !fieldName.isEmpty())
|
|
{
|
|
// last field was a file
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::parseMultiPartFile: finishing writing to uploaded file");
|
|
#endif
|
|
parameters.insert(fieldName,fileName);
|
|
if (uploadedFile)
|
|
{
|
|
uploadedFile->resize(uploadedFile->size()-2);
|
|
uploadedFile->flush();
|
|
uploadedFile->seek(0);
|
|
qDebug("HttpRequest::parseMultiPartFile: set parameter %s=%s",fieldName.data(),fileName.data());
|
|
uploadedFiles.insert(fieldName,uploadedFile);
|
|
qDebug("HttpRequest::parseMultiPartFile: uploaded file size is %i",(int) uploadedFile->size());
|
|
}
|
|
}
|
|
if (line.contains(boundary+"--"))
|
|
{
|
|
finished=true;
|
|
}
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
if (fileName.isEmpty() && !fieldName.isEmpty())
|
|
{
|
|
// this is a form field.
|
|
currentSize+=line.size();
|
|
fieldValue.append(line);
|
|
}
|
|
else if (!fileName.isEmpty() && !fieldName.isEmpty())
|
|
{
|
|
// this is a file
|
|
if (!uploadedFile)
|
|
{
|
|
uploadedFile=new QTemporaryFile();
|
|
uploadedFile->open();
|
|
}
|
|
uploadedFile->write(line);
|
|
if (uploadedFile->error())
|
|
{
|
|
qCritical("HttpRequest::parseMultiPartFile: error writing temp file, %s",qPrintable(uploadedFile->errorString()));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (tempFile->error())
|
|
{
|
|
qCritical("HttpRequest::parseMultiPartFile: cannot read temp file, %s",qPrintable(tempFile->errorString()));
|
|
}
|
|
#ifdef SUPERVERBOSE
|
|
qDebug("HttpRequest::parseMultiPartFile: finished parsing multipart temp file");
|
|
#endif
|
|
}
|
|
|
|
HttpRequest::~HttpRequest()
|
|
{
|
|
foreach(QByteArray key, uploadedFiles.keys())
|
|
{
|
|
QTemporaryFile* file=uploadedFiles.value(key);
|
|
if (file->isOpen())
|
|
{
|
|
file->close();
|
|
}
|
|
delete file;
|
|
}
|
|
if (tempFile != NULL)
|
|
{
|
|
if (tempFile->isOpen())
|
|
{
|
|
tempFile->close();
|
|
}
|
|
delete tempFile;
|
|
}
|
|
}
|
|
|
|
QTemporaryFile* HttpRequest::getUploadedFile(const QByteArray fieldName) const
|
|
{
|
|
return uploadedFiles.value(fieldName);
|
|
}
|
|
|
|
QByteArray HttpRequest::getCookie(const QByteArray& name) const
|
|
{
|
|
return cookies.value(name);
|
|
}
|
|
|
|
/** Get the map of cookies */
|
|
QMap<QByteArray,QByteArray>& HttpRequest::getCookieMap()
|
|
{
|
|
return cookies;
|
|
}
|
|
|
|
/**
|
|
Get the address of the connected client.
|
|
Note that multiple clients may have the same IP address, if they
|
|
share an internet connection (which is very common).
|
|
*/
|
|
QHostAddress HttpRequest::getPeerAddress() const
|
|
{
|
|
return peerAddress;
|
|
}
|
|
|