2022-05-13 16:00:23 +00:00
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#include "iframeschemehandler.h"
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#include <QTextCodec>
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IframeSchemeHandler::IframeSchemeHandler(QObject * parent):QWebEngineUrlSchemeHandler(parent){
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}
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void IframeSchemeHandler::requestStarted(QWebEngineUrlRequestJob *requestJob)
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{
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QUrl url = requestJob->requestUrl();
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// website dictionary iframe url
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url = QUrl( Utils::Url::queryItemValue( url, "url" ) );
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QNetworkRequest request;
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request.setUrl( url );
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2022-05-16 14:10:12 +00:00
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request.setAttribute(QNetworkRequest::RedirectPolicyAttribute,QNetworkRequest::RedirectPolicy::NoLessSafeRedirectPolicy);
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2022-05-13 16:00:23 +00:00
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QNetworkReply * reply = mgr.get( request );
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2022-05-16 14:10:12 +00:00
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2022-05-13 16:00:23 +00:00
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auto finishAction = [ = ]() -> void
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{
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2022-07-09 02:37:40 +00:00
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QByteArray contentType = "text/html;charset=UTF-8";
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auto contentTypeHeader = reply->header( QNetworkRequest::ContentTypeHeader );
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if( contentTypeHeader.isValid() )
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contentType = contentTypeHeader.toByteArray();
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2022-05-13 16:00:23 +00:00
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2022-07-09 02:37:40 +00:00
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QBuffer * buffer = new QBuffer( requestJob );
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// Handle reply data
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if( reply->error() != QNetworkReply::NoError )
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{
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QString emptyHtml = QString( "<html><body>%1</body></html>" ).arg( reply->errorString() );
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buffer->setData( emptyHtml.toUtf8() );
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requestJob->reply( contentType, buffer );
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return;
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}
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2022-05-13 16:00:23 +00:00
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QByteArray replyData = reply->readAll();
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QString articleString;
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2022-05-16 14:10:12 +00:00
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QTextCodec * codec = QTextCodec::codecForHtml( replyData, QTextCodec::codecForName( "UTF-8" ) );
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articleString = codec->toUnicode( replyData );
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2022-05-13 16:00:23 +00:00
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// Change links from relative to absolute
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QString root = reply->url().scheme() + "://" + reply->url().host();
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QString base = root + reply->url().path();
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while( !base.isEmpty() && !base.endsWith( "/" ) )
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base.chop( 1 );
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2022-07-08 14:14:15 +00:00
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QRegularExpression tags( "<base\\s+.*?>",
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QRegularExpression::CaseInsensitiveOption | QRegularExpression::DotMatchesEverythingOption );
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QString baseTagHtml = "<base href=\"" + base + "\">";
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// remove existed base tag
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articleString.remove( tags ) ;
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qsizetype pos = articleString.indexOf( "<head>" );
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if( pos > -1 )
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articleString.insert( pos + 6, baseTagHtml );
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2022-05-13 16:00:23 +00:00
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2022-07-09 02:37:40 +00:00
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buffer->setData(codec->fromUnicode(articleString));
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2022-05-17 13:02:49 +00:00
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requestJob->reply(contentType , buffer );
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2022-05-13 16:00:23 +00:00
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};
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connect( reply, &QNetworkReply::finished, requestJob, finishAction );
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connect( requestJob, &QObject::destroyed, reply, &QObject::deleteLater );
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}
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