mirror of
https://github.com/YACReader/yacreader
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Move QtWebApp sources to third_party
This commit is contained in:
Felix Kauselmann
293
third_party/QtWebApp/httpserver/staticfilecontroller.cpp
vendored
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293
third_party/QtWebApp/httpserver/staticfilecontroller.cpp
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/**
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@file
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@author Stefan Frings
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*/
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#include "staticfilecontroller.h"
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#include <QFileInfo>
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#include <QDir>
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#include <QDateTime>
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//YACReader-----
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#include "httpsession.h"
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#include "yacreader_http_session.h"
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#include "static.h"
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//--
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StaticFileController::StaticFileController(QSettings* settings, QObject* parent)
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:HttpRequestHandler(parent)
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{
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maxAge=settings->value("maxAge","60000").toInt();
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encoding=settings->value("encoding","UTF-8").toString();
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docroot=settings->value("path",".").toString();
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if(!(docroot.startsWith(":/") || docroot.startsWith("qrc://")))
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{
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// Convert relative path to absolute, based on the directory of the config file.
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#ifdef Q_OS_WIN32
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if (QDir::isRelativePath(docroot) && settings->format()!=QSettings::NativeFormat)
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#else
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if (QDir::isRelativePath(docroot))
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#endif
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{
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QFileInfo configFile(settings->fileName());
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docroot=QFileInfo(configFile.absolutePath(),docroot).absoluteFilePath();
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}
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}
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qDebug("StaticFileController: docroot=%s, encoding=%s, maxAge=%i",qPrintable(docroot),qPrintable(encoding),maxAge);
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maxCachedFileSize=settings->value("maxCachedFileSize","65536").toInt();
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cache.setMaxCost(settings->value("cacheSize","1000000").toInt());
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cacheTimeout=settings->value("cacheTime","60000").toInt();
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qDebug("StaticFileController: cache timeout=%i, size=%i",cacheTimeout,cache.maxCost());
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}
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void StaticFileController::service(HttpRequest& request, HttpResponse& response)
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{
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QByteArray path=request.getPath();
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// Check if we have the file in cache
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qint64 now=QDateTime::currentMSecsSinceEpoch();
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mutex.lock();
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CacheEntry* entry=cache.object(path);
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if (entry && (cacheTimeout==0 || entry->created>now-cacheTimeout))
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{
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QByteArray document=entry->document; //copy the cached document, because other threads may destroy the cached entry immediately after mutex unlock.
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QByteArray filename=entry->filename;
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mutex.unlock();
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qDebug("StaticFileController: Cache hit for %s",path.data());
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setContentType(filename,response);
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response.setHeader("Cache-Control","max-age="+QByteArray::number(maxAge/1000));
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response.write(document);
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}
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else
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{
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mutex.unlock();
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//TODO(DONE) carga sensible al dispositivo y a la localización
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QString stringPath = path;
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QStringList paths = QString(path).split('/');
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QString fileName = paths.last();
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stringPath.remove(fileName);
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HttpSession session=Static::sessionStore->getSession(request,response,false);
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YACReaderHttpSession *ySession = Static::yacreaderSessionStore->getYACReaderSessionHttpSession(session.getId());
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QString device = "ipad";
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QString display = "@2x";
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if (ySession != nullptr) {
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device = ySession->getDeviceType();
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display = ySession->getDisplayType();
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}
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if(fileName.endsWith(".png"))
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fileName = getDeviceAwareFileName(fileName, device, display, request.getHeader("Accept-Language"), stringPath);
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else
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fileName = getDeviceAwareFileName(fileName, device, request.getHeader("Accept-Language"), stringPath);
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QString newPath = stringPath.append(fileName);
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path = newPath.toLocal8Bit();
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//CAMBIADO
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//response.setHeader("Connection","close");
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//END_TODO
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// The file is not in cache.
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qDebug("StaticFileController: Cache miss for %s",path.data());
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// Forbid access to files outside the docroot directory
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if (path.contains("/.."))
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{
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qWarning("StaticFileController: detected forbidden characters in path %s",path.data());
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response.setStatus(403,"forbidden");
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response.write("403 forbidden",true);
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return;
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}
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// If the filename is a directory, append index.html.
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if (QFileInfo(docroot+path).isDir())
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{
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path+="/index.html";
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}
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// Try to open the file
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QFile file(docroot+path);
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qDebug("StaticFileController: Open file %s",qPrintable(file.fileName()));
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if (file.open(QIODevice::ReadOnly))
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{
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setContentType(path,response);
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response.setHeader("Cache-Control","max-age="+QByteArray::number(maxAge/1000));
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if (file.size()<=maxCachedFileSize)
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{
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// Return the file content and store it also in the cache
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entry=new CacheEntry();
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while (!file.atEnd() && !file.error())
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{
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QByteArray buffer=file.read(65536);
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response.write(buffer);
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entry->document.append(buffer);
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}
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entry->created=now;
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entry->filename=path;
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mutex.lock();
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cache.insert(request.getPath(),entry,entry->document.size());
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mutex.unlock();
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}
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else
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{
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// Return the file content, do not store in cache
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while (!file.atEnd() && !file.error())
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{
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response.write(file.read(65536));
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}
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}
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file.close();
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}
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else {
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if (file.exists())
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{
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qWarning("StaticFileController: Cannot open existing file %s for reading",qPrintable(file.fileName()));
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response.setStatus(403,"forbidden");
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response.write("403 forbidden",true);
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}
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else
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{
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response.setStatus(404,"not found");
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response.write("404 not found",true);
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}
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}
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}
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}
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void StaticFileController::setContentType(QString fileName, HttpResponse& response) const
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{
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if (fileName.endsWith(".png"))
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{
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response.setHeader("Content-Type", "image/png");
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}
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else if (fileName.endsWith(".jpg"))
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{
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response.setHeader("Content-Type", "image/jpeg");
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}
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else if (fileName.endsWith(".gif"))
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{
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response.setHeader("Content-Type", "image/gif");
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}
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else if (fileName.endsWith(".pdf"))
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{
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response.setHeader("Content-Type", "application/pdf");
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}
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else if (fileName.endsWith(".txt"))
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{
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response.setHeader("Content-Type", qPrintable("text/plain; charset="+encoding));
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}
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else if (fileName.endsWith(".html") || fileName.endsWith(".htm"))
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{
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response.setHeader("Content-Type", qPrintable("text/html; charset="+encoding));
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}
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else if (fileName.endsWith(".css"))
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{
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response.setHeader("Content-Type", "text/css");
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}
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else if (fileName.endsWith(".js"))
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{
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response.setHeader("Content-Type", "text/javascript");
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}
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else if (fileName.endsWith(".svg"))
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{
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response.setHeader("Content-Type", "image/svg+xml");
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}
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else if (fileName.endsWith(".woff"))
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{
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response.setHeader("Content-Type", "font/woff");
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}
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else if (fileName.endsWith(".woff2"))
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{
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response.setHeader("Content-Type", "font/woff2");
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}
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else if (fileName.endsWith(".ttf"))
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{
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response.setHeader("Content-Type", "application/x-font-ttf");
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}
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else if (fileName.endsWith(".eot"))
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{
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response.setHeader("Content-Type", "application/vnd.ms-fontobject");
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}
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else if (fileName.endsWith(".otf"))
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{
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response.setHeader("Content-Type", "application/font-otf");
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}
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// Todo: add all of your content types
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else
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{
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qDebug("StaticFileController: unknown MIME type for filename '%s'", qPrintable(fileName));
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}
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}
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//YACReader------------------------------------------------------------------------
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bool StaticFileController::exists(QString localizedName, QString path) const
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{
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QString fileName=docroot+"/"+path + localizedName;
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QFile file(fileName);
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return file.exists();
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}
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//retorna fileName si no se encontró alternativa traducida ó fileName-locale.extensión si se encontró
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QString StaticFileController::getLocalizedFileName(QString fileName, QString locales, QString path) const
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{
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QSet<QString> tried; // used to suppress duplicate attempts
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QStringList locs=locales.split(',',QString::SkipEmptyParts);
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QStringList fileNameParts = fileName.split('.');
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QString file = fileNameParts.first();
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QString extension = fileNameParts.last();
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// Search for exact match
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foreach (QString loc,locs) {
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loc.replace(QRegExp(";.*"),"");
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loc.replace('-','_');
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QString localizedName=file+"-"+loc.trimmed()+"."+extension;
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if (!tried.contains(localizedName)) {
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if(exists(localizedName, path))
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return localizedName;
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tried.insert(localizedName);
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}
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}
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// Search for correct language but any country
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foreach (QString loc,locs) {
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loc.replace(QRegExp("[;_-].*"),"");
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QString localizedName=file+"-"+loc.trimmed()+"."+extension;
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if (!tried.contains(localizedName)) {
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if(exists(localizedName, path))
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return localizedName;
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tried.insert(localizedName);
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}
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}
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return fileName;
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}
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QString StaticFileController::getDeviceAwareFileName(QString fileName, QString device, QString locales, QString path) const
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{
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QFileInfo fi(fileName);
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QString baseName = fi.baseName();
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QString extension = fi.completeSuffix();
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QString completeFileName = getLocalizedFileName(baseName+"_"+device+"."+extension,locales,path);
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if(QFile(docroot+"/"+path+completeFileName).exists())
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return completeFileName; //existe un archivo específico para este dispositivo y locales
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else
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return getLocalizedFileName(fileName,locales,path); //no hay archivo específico para el dispositivo, pero puede haberlo para estas locales
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}
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QString StaticFileController::getDeviceAwareFileName(QString fileName, QString device, QString display, QString /* locales */, QString path) const
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{
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QFileInfo fi(fileName);
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QString baseName = fi.baseName();
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QString extension = fi.completeSuffix();
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QString completeFileName = baseName+display+"."+extension;
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if(QFile(docroot+"/"+path+completeFileName).exists())
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return completeFileName;
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else
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{
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completeFileName = baseName+"_"+device+display+"."+extension;
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if((QFile(docroot+"/"+path+completeFileName).exists()))
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return completeFileName;
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}
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return fileName;
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}
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