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#include <fcgiapp.h>
#include <QString>
#include <QStringList>
#include <QHash>
#include <QDir>
#include <QFileInfo>
#include <QXmlStreamReader>
#include <QDateTime>
#define PROGRAMVERSION "1.0"
#define BUFSIZE 1000000
// supported httpStatusCode:
// 400 Bad Request
// 403 Forbidden
// 404 Not Found
// 500 Internal Server Error
// message: additional message
QString httpError(int httpStatusCode, QString message) {
QString description;
switch(httpStatusCode) {
case 400:
description = "Bad Request";
break;
case 403:
description = "Forbidden";
break;
case 404:
description = "Not Found";
break;
case 500:
description = "Internal Server Error";
break;
default:
message = QString("Bad error code: %1, message: %2").arg(httpStatusCode).arg(message);
httpStatusCode = 500;
description = "Internal Server Error";
}
return QString("Status: %1 %2\r\nContent-Type: text/html\r\n\r\n<html><body><h1>%1 %2</h1><p>%3</p></body></html>\r\n").arg(httpStatusCode).arg(description).arg(message);
}
int main(int argc, char* argv[]) {
int result = FCGX_Init();
if (result != 0) {
return 1; // error on init
}
FCGX_Request request;
if (FCGX_InitRequest(&request, 0, 0) != 0) {
return 1; // error on init
}
int count = 0;
while (FCGX_Accept_r(&request) == 0) {
count++;
QString queryString(FCGX_GetParam("QUERY_STRING", request.envp));
// URL parameters
QStringList paramList = queryString.split("&");
QHash<QString, QString> paramHash;
foreach(QString keyValue, paramList) {
QStringList keyValueList = keyValue.split("=");
if (keyValueList.size() == 2) {
QString key = keyValueList[0];
QString value = keyValueList[1];
paramHash[key] = value;
}
}
QString command = paramHash["command"];
// process environment
QString webboxPath(getenv("WEBBOX_PATH"));
// FastCGI request environment
QString pathInfo(FCGX_GetParam("PATH_INFO", request.envp));
if (pathInfo == "") {
pathInfo = "/";
}
if (pathInfo.contains("..")) {
FCGX_PutS(httpError(403, QString("Bad path: %1").arg(pathInfo)).toUtf8().data(), request.out);
continue;
}
QString path = webboxPath + pathInfo;
if (command == "diag") {
FCGX_PutS("Content-Type: text/html\r\n\r\n", request.out);
FCGX_PutS("<html><head><title>Params</title></head><body>\r\n", request.out);
FCGX_PutS(QString("Request no. %1<br/><br/>\r\n").arg(count).toUtf8().data(), request.out);
char** tmp = request.envp;
while (*tmp) {
FCGX_PutS(QString("%1<br/>\r\n").arg(*tmp).toUtf8().data(), request.out);
tmp++;
}
FCGX_PutS(QString("<br/>WEBBOX_PATH=%1<br/>\r\n").arg(getenv("WEBBOX_PATH")).toUtf8().data(), request.out);
FCGX_PutS("</body></html>\r\n", request.out);
} else
if (command == "list") {
FCGX_PutS("Content-Type: text/xml\r\n\r\n", request.out);
FCGX_PutS("<list>\r\n", request.out);
QDir dir(path);
QFileInfoList dirEntryList = dir.entryInfoList(QDir::NoDot | QDir::AllEntries, QDir::DirsFirst | QDir::Name);
foreach(QFileInfo i, dirEntryList) {
if (pathInfo != "/" || i.fileName() != "..") { // skip on ".." in "/"
FCGX_PutS(QString("<listentry type=\"%1\">%2</listentry>\r\n").arg(i.isDir() ? "dir" : "file").arg(i.fileName()).toUtf8().data(), request.out);
}
}
FCGX_PutS("</list>\r\n", request.out);
} else if (command == "title") {
FCGX_PutS("Content-Type: text/plain\r\n\r\n", request.out);
FCGX_PutS(getenv("WEBBOX_NAME"), request.out);
} else if (command == "version") {
FCGX_PutS("Content-Type: text/plain\r\n\r\n", request.out);
FCGX_PutS(QString("webbox %1<br/>(C) 2017 <a href=\"https://www.reichwein.it/\">Reichwein.IT</a>\r\n").arg(PROGRAMVERSION).toUtf8().data(), request.out);
} else if (command == "newdir") { // POST!
QString contentLengthString(FCGX_GetParam("CONTENT_LENGTH", request.envp));
bool ok;
int contentLength = contentLengthString.toInt(&ok);
FCGX_PutS("Content-Type: text/plain\r\n\r\n", request.out);
if (!ok) {
FCGX_PutS(QString("Bad content length").toUtf8().data(), request.out);
} else {
QByteArray content(contentLength, 0);
int result = FCGX_GetStr(content.data(), content.size(), request.in);
if (result != content.size()) {
FCGX_PutS(QString("Read error (%1/%2)").arg(result).arg(content.size()).toUtf8().data(), request.out);
} else {
QXmlStreamReader xml(content);
while (!xml.atEnd()) {
while (xml.readNextStartElement()) {
if (xml.name() == "dirname") {
QString dirname = xml.readElementText();
QDir dir(path);
if (dir.mkdir(dirname)) {
FCGX_PutS("Successfully created directory", request.out);
} else {
FCGX_PutS("Error creating directory", request.out);
}
}
}
}
}
}
} else if (command == "info") { // POST!
QString contentLengthString(FCGX_GetParam("CONTENT_LENGTH", request.envp));
bool ok;
int contentLength = contentLengthString.toInt(&ok);
FCGX_PutS("Content-Type: text/plain\r\n\r\n", request.out);
if (!ok) {
FCGX_PutS(QString("Bad content length").toUtf8().data(), request.out);
} else {
QByteArray content(contentLength, 0);
int result = FCGX_GetStr(content.data(), content.size(), request.in);
if (result != content.size()) {
FCGX_PutS(QString("Read error (%1/%2)").arg(result).arg(content.size()).toUtf8().data(), request.out);
} else {
QXmlStreamReader xml(content);
while (!xml.atEnd()) {
while (xml.readNextStartElement()) {
if (xml.name() == "files") {
while (xml.readNextStartElement()) {
if (xml.name() == "file") {
QString filename = xml.readElementText();
QFileInfo fileInfo(path + "/" + filename);
qint64 size = fileInfo.size();
QString date = fileInfo.lastModified().toString();
QString type = fileInfo.isDir() ? "directory" : "file";
FCGX_PutS(QString("%1, %2 bytes, %3 (%4)<br>")
.arg(filename)
.arg(size)
.arg(date)
.arg(type).toUtf8().data(), request.out);
}
}
}
}
}
}
}
} else if (command == "download-zip") { // POST!
QString contentLengthString(FCGX_GetParam("CONTENT_LENGTH", request.envp));
bool ok;
int contentLength = contentLengthString.toInt(&ok);
if (!ok) {
FCGX_PutS("Content-Type: text/plain\r\n\r\n", request.out);
FCGX_PutS(QString("Bad content length").toUtf8().data(), request.out);
} else {
QByteArray content(contentLength, 0);
int result = FCGX_GetStr(content.data(), content.size(), request.in);
if (result != content.size()) {
FCGX_PutS("Content-Type: text/plain\r\n\r\n", request.out);
FCGX_PutS(QString("Read error (%1/%2)").arg(result).arg(content.size()).toUtf8().data(), request.out);
} else {
QXmlStreamReader xml(content);
QByteArray zipData;
while (!xml.atEnd()) {
while (xml.readNextStartElement()) {
if (xml.name() == "files") {
while (xml.readNextStartElement()) {
if (xml.name() == "file") {
QString filename = xml.readElementText();
zipData.append(filename.toUtf8()); // TBD
}
}
}
}
}
FCGX_PutS(QString("Content-Disposition: attachment; filename=\"%1\"\r\n").arg("webbox-download.zip").toUtf8().data(), request.out);
FCGX_PutS("Content-Type: application/octet-stream\r\n\r\n", request.out);
FCGX_PutStr(zipData.data(), zipData.size(), request.out);
}
}
} else if (command == "upload") { // POST!
QString contentLengthString(FCGX_GetParam("CONTENT_LENGTH", request.envp));
bool ok;
int contentLength = contentLengthString.toInt(&ok);
FCGX_PutS("Content-Type: text/plain\r\n\r\n", request.out);
if (!ok) {
FCGX_PutS(QString("Bad content length").toUtf8().data(), request.out);
} else {
QByteArray content(contentLength, 0);
int result = FCGX_GetStr(content.data(), content.size(), request.in);
if (result != content.size()) {
FCGX_PutS(QString("Read error (%1/%2)").arg(result).arg(content.size()).toUtf8().data(), request.out);
} else {
QString contentType(FCGX_GetParam("CONTENT_TYPE", request.envp));
if (!contentType.contains("boundary=--")) {
FCGX_PutS(QString("No boundary defined").toUtf8().data(), request.out);
} else {
QByteArray boundary = contentType.split("boundary=--")[1].toUtf8();
int boundaryCount = content.count(boundary);
if (boundaryCount != 2) {
FCGX_PutS(QString("Bad boundary number found: %1").arg(boundaryCount).toUtf8().data(), request.out);
} else {
int start = content.indexOf(boundary) + boundary.size();
int end = content.indexOf(boundary, start);
content = content.mid(start, end - start);
// Read filename
start = content.indexOf("filename=\"");
if (start == -1) {
FCGX_PutS(QString("Error reading filename / start").toUtf8().data(), request.out);
} else {
start += QString("filename=\"").size();
end = content.indexOf("\"", start);
if (end == -1) {
FCGX_PutS(QString("Error reading filename / end").toUtf8().data(), request.out);
} else {
QString filename = content.mid(start, end - start);
if (filename.size() < 1) {
FCGX_PutS(QString("Bad filename").toUtf8().data(), request.out);
} else {
// Remove header
start = content.indexOf("\r\n\r\n");
if (start == -1) {
FCGX_PutS(QString("Error removing upload header").toUtf8().data(), request.out);
} else {
content = content.mid(start + QString("\r\n\r\n").size());
QFile file(path + "/" + filename);
if (!file.open(QIODevice::WriteOnly)) {
FCGX_PutS(QString("Error opening file").toUtf8().data(), request.out);
} else {
qint64 written = file.write(content);
if (written != content.size()) {
FCGX_PutS(QString("Error writing file").toUtf8().data(), request.out);
} else {
FCGX_PutS("OK", request.out);
}
}
}
}
}
}
}
}
}
}
} else { // default: download
QFile file(path);
if (file.open(QIODevice::ReadOnly)) {
QFileInfo fileInfo(path);
FCGX_PutS(QString("Content-Disposition: attachment; filename=\"%1\"\r\n").arg(fileInfo.fileName()).toUtf8().data(), request.out);
FCGX_PutS("Content-Type: application/octet-stream\r\n\r\n", request.out);
while (!file.atEnd()) {
QByteArray ba = file.read(BUFSIZE);
FCGX_PutStr(ba.data(), ba.size(), request.out);
}
} else {
FCGX_PutS(httpError(500, QString("Bad file: %1").arg(pathInfo)).toUtf8().data(), request.out);
}
}
}
return 0;
}
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