bool ServerSideScripting::EvaluatePage( QTextStream *pOutStream, const QString &sFileName )
{
try
{
bool bFound( false );
ScriptInfo *pInfo = NULL;
// ------------------------------------------------------------------
// See if page has already been loaded
// ------------------------------------------------------------------
Lock();
if ( (bFound = m_mapScripts.contains( sFileName )) == true )
pInfo = m_mapScripts[ sFileName ];
Unlock();
// ------------------------------------------------------------------
// Load Script File and Create Function
// ------------------------------------------------------------------
QFileInfo fileInfo ( sFileName );
QDateTime dtLastModified = fileInfo.lastModified();
if ((pInfo == NULL) || (pInfo->m_dtTimeStamp != dtLastModified ))
{
QString sCode = CreateMethodFromFile( sFileName );
QScriptValue func = m_engine.evaluate( sCode, sFileName );
if ( m_engine.hasUncaughtException() )
{
LOG(VB_GENERAL, LOG_ERR,
QString("Error Loading QSP File: %1 - (%2)%3")
.arg(sFileName)
.arg(m_engine.uncaughtExceptionLineNumber())
.arg(m_engine.uncaughtException().toString()));
return false;
}
if (pInfo != NULL)
{
pInfo->m_oFunc = func;
pInfo->m_dtTimeStamp = dtLastModified;
}
else
{
pInfo = new ScriptInfo( func, dtLastModified );
Lock();
m_mapScripts[ sFileName ] = pInfo;
Unlock();
}
}
// ------------------------------------------------------------------
// Execute function to render output
// ------------------------------------------------------------------
OutputStream outStream( pOutStream );
QScriptValueList args;
args << m_engine.newQObject( &outStream );
pInfo->m_oFunc.call( QScriptValue(), args );
if (m_engine.hasUncaughtException())
{
LOG(VB_GENERAL, LOG_ERR,
QString("Error calling QSP File: %1 - %2")
.arg(sFileName)
.arg(m_engine.uncaughtException().toString()));
return false;
}
}
catch(...)
{
LOG(VB_GENERAL, LOG_ERR,
QString("Exception while evaluating QSP File: %1") .arg(sFileName));
return false;
}
return true;
}
bool ServerSideScripting::EvaluatePage( QTextStream *pOutStream, const QString &sFileName,
HTTPRequest *pRequest)
{
try
{
ScriptInfo *pInfo = NULL;
// ------------------------------------------------------------------
// See if page has already been loaded
// ------------------------------------------------------------------
pInfo = GetLoadedScript( sFileName );
// ------------------------------------------------------------------
// Load Script File and Create Function
// ------------------------------------------------------------------
QFileInfo fileInfo ( sFileName );
QDateTime dtLastModified = fileInfo.lastModified();
Lock();
if ((pInfo == NULL) || (pInfo->m_dtTimeStamp != dtLastModified ))
{
QString sCode = CreateMethodFromFile( sFileName );
QScriptValue func = m_engine.evaluate( sCode, sFileName );
if ( m_engine.hasUncaughtException() )
{
LOG(VB_GENERAL, LOG_ERR,
QString("Error Loading QSP File: %1 - (line %2) %3")
.arg(sFileName)
.arg(m_engine.uncaughtExceptionLineNumber())
.arg(m_engine.uncaughtException().toString()));
Unlock();
return false;
}
if (pInfo != NULL)
{
pInfo->m_oFunc = func;
pInfo->m_dtTimeStamp = dtLastModified;
}
else
{
pInfo = new ScriptInfo( func, dtLastModified );
m_mapScripts[ sFileName ] = pInfo;
}
}
// ------------------------------------------------------------------
// Build array of arguments passed to script
// ------------------------------------------------------------------
QStringMap mapParams = pRequest->m_mapParams;
// Valid characters for object property names must contain only
// word characters and numbers, _ and $
// They must not start with a number - to simplify the regexp, we
// restrict the first character to the English alphabet
QRegExp validChars = QRegExp("^([a-zA-Z]|_|\\$)(\\w|\\$)+$");
QVariantMap params;
QMap<QString, QString>::const_iterator it = mapParams.begin();
QString prevArrayName = "";
QVariantMap array;
for (; it != mapParams.end(); ++it)
{
QString key = it.key();
QVariant value = QVariant(it.value());
// PHP Style parameter array
if (key.contains("["))
{
QString arrayName = key.section('[',0,0);
QString arrayKey = key.section('[',1,1);
arrayKey.chop(1); // Remove trailing ]
if (prevArrayName != arrayName) // New or different array
{
if (!array.isEmpty())
{
params.insert(prevArrayName, QVariant(array));
array.clear();
}
prevArrayName = arrayName;
}
if (!validChars.exactMatch(arrayKey)) // Discard anything that isn't valid for now
continue;
array.insert(arrayKey, value);
if ((it + 1) != mapParams.end())
continue;
}
if (!array.isEmpty())
{
params.insert(prevArrayName, QVariant(array));
array.clear();
}
// End Array handling
if (!validChars.exactMatch(key)) // Discard anything that isn't valid for now
continue;
params.insert(key, value);
}
// ------------------------------------------------------------------
// Build array of request headers
// ------------------------------------------------------------------
QStringMap mapHeaders = pRequest->m_mapHeaders;
QVariantMap requestHeaders;
for (it = mapHeaders.begin(); it != mapHeaders.end(); ++it)
{
QString key = it.key();
key = key.replace('-', '_'); // May be other valid chars in a request header that we need to replace
QVariant value = QVariant(it.value());
if (!validChars.exactMatch(key)) // Discard anything that isn't valid for now
continue;
requestHeaders.insert(key, value);
}
// ------------------------------------------------------------------
// Build array of information from the server e.g. client IP
// See RFC 3875 - The Common Gateway Interface
// ------------------------------------------------------------------
QVariantMap serverVars;
serverVars.insert("REMOTE_ADDR", QVariant(pRequest->GetPeerAddress()));
serverVars.insert("SERVER_ADDR", QVariant(pRequest->GetHostAddress()));
serverVars.insert("SERVER_PROTOCOL", QVariant(pRequest->GetRequestProtocol()));
serverVars.insert("SERVER_SOFTWARE", QVariant(HttpServer::GetServerVersion()));
QHostAddress clientIP = QHostAddress(pRequest->GetPeerAddress());
QHostAddress serverIP = QHostAddress(pRequest->GetHostAddress());
if (clientIP.protocol() == QAbstractSocket::IPv4Protocol)
{
serverVars.insert("IP_PROTOCOL", "IPv4");
}
else if (clientIP.protocol() == QAbstractSocket::IPv6Protocol)
{
serverVars.insert("IP_PROTOCOL", "IPv6");
}
if (((clientIP.protocol() == QAbstractSocket::IPv4Protocol) &&
(clientIP.isInSubnet(QHostAddress("172.16.0.0"), 12) ||
clientIP.isInSubnet(QHostAddress("192.168.0.0"), 16) ||
clientIP.isInSubnet(QHostAddress("10.0.0.0"), 8))) ||
((clientIP.protocol() == QAbstractSocket::IPv6Protocol) &&
clientIP.isInSubnet(serverIP, 64))) // default subnet size is assumed to be /64
{
serverVars.insert("CLIENT_NETWORK", "local");
}
else
{
serverVars.insert("CLIENT_NETWORK", "remote");
}
// ------------------------------------------------------------------
// Add the arrays (objects) we've just created to the global scope
// They may be accessed as 'Server.REMOTE_ADDR'
// ------------------------------------------------------------------
m_engine.globalObject().setProperty("Parameters",
m_engine.toScriptValue(params));
m_engine.globalObject().setProperty("RequestHeaders",
m_engine.toScriptValue(requestHeaders));
m_engine.globalObject().setProperty("Server",
m_engine.toScriptValue(serverVars));
// ------------------------------------------------------------------
// Execute function to render output
// ------------------------------------------------------------------
OutputStream outStream( pOutStream );
QScriptValueList args;
args << m_engine.newQObject( &outStream );
args << m_engine.toScriptValue(params);
QScriptValue ret = pInfo->m_oFunc.call( QScriptValue(), args );
if (ret.isError())
{
QScriptValue lineNo = ret.property( "lineNumber" );
LOG(VB_GENERAL, LOG_ERR,
QString("Error calling QSP File: %1(%2) - %3")
.arg(sFileName)
.arg( lineNo.toInt32 () )
.arg( ret .toString() ));
Unlock();
return false;
}
if (m_engine.hasUncaughtException())
{
LOG(VB_GENERAL, LOG_ERR,
QString("Error calling QSP File: %1(%2) - %3")
.arg(sFileName)
.arg(m_engine.uncaughtExceptionLineNumber() )
.arg(m_engine.uncaughtException().toString()));
Unlock();
return false;
}
Unlock();
}
catch(...)
{
LOG(VB_GENERAL, LOG_ERR,
QString("Exception while evaluating QSP File: %1") .arg(sFileName));
Unlock();
return false;
}
return true;
}
