+
+#include "utils.h"
+
+WebEnginePartErrorSchemeHandler::WebEnginePartErrorSchemeHandler(QObject* parent):
+ QWebEngineUrlSchemeHandler(parent), m_warningIconData(readWarningIconData())
+{
+}
+
+QString WebEnginePartErrorSchemeHandler::readWarningIconData() const
+{
+ QString data;
+ QString path = KIconLoader::global()->iconPath("dialog-warning", -KIconLoader::SizeHuge);
+ if (path.isEmpty()) {
+ return data;
+ }
+ QFile f(path);
+ if (f.open(QIODevice::ReadOnly)) {
+ QMimeDatabase db;
+ QMimeType mime = db.mimeTypeForFile(f.fileName());
+ data += QL1S("data:");
+ data += mime.isValid() ? mime.name() : "application/octet-stream";
+ data += QL1S(";base64,");
+ data += f.readAll().toBase64();
+ }
+ return data;
+
+}
+
+void WebEnginePartErrorSchemeHandler::requestStarted(QWebEngineUrlRequestJob* job)
+{
+ QBuffer *buf = new QBuffer;
+ buf->open(QBuffer::ReadWrite);
+ connect(buf, &QIODevice::aboutToClose, buf, &QObject::deleteLater);
+ ErrorInfo ei = parseErrorUrl(job->requestUrl());
+ writeErrorPage(buf, ei);
+ buf->seek(0);
+ job->reply("text/html", buf);
+}
+
+WebEnginePartErrorSchemeHandler::ErrorInfo WebEnginePartErrorSchemeHandler::parseErrorUrl(const QUrl& url)
+{
+ ErrorInfo ei;
+ ei.requestUrl = QUrl(url.fragment());
+ if (ei.requestUrl.isValid()) {
+ QString query = url.query(QUrl::FullyDecoded);
+ QRegularExpression pattern("error=(\\d+)&errText=(.*)");
+ QRegularExpressionMatch match = pattern.match(query);
+ int error = match.captured(1).toInt();
+ // error=0 isn't a valid error code, so 0 means it's missing from the URL
+ if (error == 0) {
+ error = KIO::ERR_UNKNOWN;
+ }
+ ei.text = match.captured(2);
+ ei.code = error;
+ }
+ return ei;
+}
+
+void WebEnginePartErrorSchemeHandler::writeErrorPage(QBuffer* buf, const WebEnginePartErrorSchemeHandler::ErrorInfo& info)
+{
+ QString errorName, techName, description;
+ QStringList causes, solutions;
+
+ QByteArray raw = KIO::rawErrorDetail(info.code, info.text, &info.requestUrl);
+ QDataStream stream(raw);
+
+ stream >> errorName >> techName >> description >> causes >> solutions;
+
+ QFile file(QStandardPaths::locate(QStandardPaths::GenericDataLocation, QL1S("webenginepart/error.html")));
+ if (!file.open(QIODevice::ReadOnly)) {
+ buf->write(i18n("Unable to display error message
"
+ "The error template file error.html could not be "
+ "found.
").toUtf8());
+ return;
+ }
+
+ QString html(QL1S(file.readAll()));
+
+ QString doc(QL1S(""));
+ doc += i18n("The requested operation could not be completed");
+ doc += QL1S("
");
+ doc += errorName;
+ doc += QL1S("
");
+
+ if (!techName.isEmpty()) {
+ doc += QL1S("");
+ doc += i18n("Technical Reason: %1", techName);
+ doc += QL1S("
");
+ }
+
+ doc += QL1S("");
+ doc += i18n("Details of the Request:");
+ doc += QL1S("
- ");
+ // escape URL twice: once for i18n, and once for HTML.
+ doc += i18n("URL: %1", Qt::escape(Qt::escape(info.requestUrl.toDisplayString())));
+ doc += QL1S("
- ");
+
+ const QString protocol(info.requestUrl.scheme());
+ if (!protocol.isEmpty()) {
+ // escape protocol twice: once for i18n, and once for HTML.
+ doc += i18n("Protocol: %1", Qt::escape(Qt::escape(protocol)));
+ doc += QL1S("
- ");
+ }
+
+ doc += i18n("Date and Time: %1",
+ QLocale().toString(QDateTime::currentDateTime(), QLocale::LongFormat));
+ doc += QL1S("
- ");
+ // escape info.text twice: once for i18n, and once for HTML.
+ doc += i18n("Additional Information: %1", Qt::escape(Qt::escape(info.text)));
+ doc += QL1S("
");
+ doc += i18n("Description:");
+ doc += QL1S("
");
+ doc += description;
+ doc += QL1S("
");
+
+ if (!causes.isEmpty()) {
+ doc += QL1S("");
+ doc += i18n("Possible Causes:");
+ doc += QL1S("
- ");
+ doc += causes.join("
- ");
+ doc += QL1S("
");
+ }
+
+ if (!solutions.isEmpty()) {
+ doc += QL1S("");
+ doc += i18n("Possible Solutions:");
+ doc += QL1S("
- ");
+ doc += solutions.join("
- ");
+ doc += QL1S("
");
+ }
+
+ QString title(i18n("Error: %1", errorName));
+ QString direction(QApplication::isRightToLeft() ? "rtl" : "ltr");
+ buf->write(html.arg(title, direction, m_warningIconData, doc).toUtf8());
+}
+
+%4
+