281 lines
8.8 KiB
C++
281 lines
8.8 KiB
C++
#ifndef SYNCTHINGWIDGETS_NO_WEBVIEW
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#include "./webpage.h"
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#include "./webviewdialog.h"
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#include "../settings/settings.h"
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#include "../../connector/syncthingconnection.h"
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#include "resources/config.h"
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#include <QAuthenticator>
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#include <QDesktopServices>
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#include <QFileDialog>
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#include <QNetworkAccessManager>
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#include <QNetworkReply>
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#include <QStringBuilder>
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#if defined(SYNCTHINGWIDGETS_USE_WEBENGINE)
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#include <QWebEngineCertificateError>
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#include <QWebEngineSettings>
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#include <QWebEngineView>
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#elif defined(SYNCTHINGWIDGETS_USE_WEBKIT)
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#include <QNetworkRequest>
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#include <QSslError>
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#include <QWebFrame>
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#include <QWebSettings>
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#include <QWebView>
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#endif
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using namespace Data;
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namespace QtGui {
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#ifdef SYNCTHINGWIDGETS_USE_WEBENGINE
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WebPage::WebPage(QWebEngineProfile *profile, WebViewDialog *dlg, SYNCTHINGWIDGETS_WEB_VIEW *view)
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: SYNCTHINGWIDGETS_WEB_PAGE(profile, view)
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#else
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WebPage::WebPage(WebViewDialog *dlg, SYNCTHINGWIDGETS_WEB_VIEW *view)
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: SYNCTHINGWIDGETS_WEB_PAGE(view)
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#endif
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, m_dlg(dlg)
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, m_view(view)
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{
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#ifdef SYNCTHINGWIDGETS_USE_WEBENGINE
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settings()->setAttribute(QWebEngineSettings::JavascriptCanOpenWindows, true);
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connect(
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this, &WebPage::authenticationRequired, this, static_cast<void (WebPage::*)(const QUrl &, QAuthenticator *)>(&WebPage::supplyCredentials));
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#else // SYNCTHINGWIDGETS_USE_WEBKIT
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settings()->setAttribute(QWebSettings::JavascriptCanOpenWindows, true);
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setNetworkAccessManager(&Data::networkAccessManager());
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connect(&Data::networkAccessManager(), &QNetworkAccessManager::authenticationRequired, this,
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static_cast<void (WebPage::*)(QNetworkReply *, QAuthenticator *)>(&WebPage::supplyCredentials));
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connect(&Data::networkAccessManager(), &QNetworkAccessManager::sslErrors, this,
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static_cast<void (WebPage::*)(QNetworkReply *, const QList<QSslError> &errors)>(&WebPage::handleSslErrors));
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#endif
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connect(this, &SYNCTHINGWIDGETS_WEB_PAGE::loadFinished, this, &WebPage::injectJavaScripts);
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if (!m_view) {
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// initialization for new window
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// -> delegate to external browser if no view is assigned
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#ifdef SYNCTHINGWIDGETS_USE_WEBENGINE
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connect(this, &WebPage::urlChanged, this, &WebPage::delegateNewWindowToExternalBrowser);
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#else
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connect(this->mainFrame(), &QWebFrame::urlChanged, this, &WebPage::delegateNewWindowToExternalBrowser);
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#endif
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// -> there need to be a view, though
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m_view = new SYNCTHINGWIDGETS_WEB_VIEW;
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m_view->setPage(this);
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setParent(m_view);
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}
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}
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bool WebPage::isSamePage(const QUrl &url1, const QUrl &url2)
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{
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if (url1.scheme() == url2.scheme() && url1.host() == url2.host() && url1.port() == url2.port()) {
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QString path1 = url1.path();
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while (path1.endsWith(QChar('/'))) {
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path1.resize(path1.size() - 1);
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}
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QString path2 = url2.path();
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while (path2.endsWith(QChar('/'))) {
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path2.resize(path2.size() - 1);
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}
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if (path1 == path2) {
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return true;
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}
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}
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return false;
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}
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/*!
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* \brief Delegates creation of new windows to a new instance of WebPage which will show it in an external browser.
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*/
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SYNCTHINGWIDGETS_WEB_PAGE *WebPage::createWindow(SYNCTHINGWIDGETS_WEB_PAGE::WebWindowType type)
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{
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Q_UNUSED(type)
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return new WebPage;
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}
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#ifdef SYNCTHINGWIDGETS_USE_WEBENGINE
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/*!
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* \brief Accepts self-signed certificate.
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* \todo Only ignore the error if the used certificate matches the certificate known to be used by the Syncthing GUI.
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*/
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bool WebPage::certificateError(const QWebEngineCertificateError &certificateError)
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{
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switch (certificateError.error()) {
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case QWebEngineCertificateError::CertificateCommonNameInvalid:
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case QWebEngineCertificateError::CertificateAuthorityInvalid:
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return true;
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default:
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return false;
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}
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}
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/*!
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* \brief Accepts navigation requests only on the same page.
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*/
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bool WebPage::acceptNavigationRequest(const QUrl &url, SYNCTHINGWIDGETS_WEB_PAGE::NavigationType type, bool isMainFrame)
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{
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Q_UNUSED(isMainFrame)
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Q_UNUSED(type)
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return handleNavigationRequest(this->url(), url);
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}
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/*!
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* \brief Invokes processing JavaScript messages printed via "console.log()".
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*/
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void WebPage::javaScriptConsoleMessage(
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QWebEnginePage::JavaScriptConsoleMessageLevel level, const QString &message, int lineNumber, const QString &sourceID)
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{
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Q_UNUSED(level)
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Q_UNUSED(lineNumber)
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Q_UNUSED(sourceID)
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if (level == QWebEnginePage::InfoMessageLevel) {
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processJavaScriptConsoleMessage(message);
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}
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}
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#else // SYNCTHINGWIDGETS_USE_WEBKIT
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/*!
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* \brief Accepts navigation requests only on the same page.
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*/
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bool WebPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, SYNCTHINGWIDGETS_WEB_PAGE::NavigationType type)
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{
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Q_UNUSED(frame)
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Q_UNUSED(type)
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return handleNavigationRequest(mainFrame() ? mainFrame()->url() : QUrl(), request.url());
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}
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/*!
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* \brief Invokes processing JavaScript messages printed via "console.log()".
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*/
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void WebPage::javaScriptConsoleMessage(const QString &message, int lineNumber, const QString &sourceID)
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{
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Q_UNUSED(lineNumber)
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Q_UNUSED(sourceID)
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processJavaScriptConsoleMessage(message);
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}
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#endif
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/*!
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* \brief Shows the specified \a url in the default browser and deletes the page and associated view.
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*/
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void WebPage::delegateNewWindowToExternalBrowser(const QUrl &url)
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{
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QDesktopServices::openUrl(url);
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// this page and the associated view are useless
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m_view->deleteLater();
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}
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/*!
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* \brief Supplies credentials from the dialog's settings.
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*/
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void WebPage::supplyCredentials(const QUrl &requestUrl, QAuthenticator *authenticator)
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{
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Q_UNUSED(requestUrl)
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supplyCredentials(authenticator);
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}
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/*!
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* \brief Supplies credentials from the dialog's settings.
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*/
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void WebPage::supplyCredentials(QNetworkReply *reply, QAuthenticator *authenticator)
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{
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Q_UNUSED(reply)
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supplyCredentials(authenticator);
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}
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/*!
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* \brief Supplies credentials from the dialog's settings.
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*/
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void WebPage::supplyCredentials(QAuthenticator *authenticator)
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{
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if (m_dlg && m_dlg->settings().authEnabled) {
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authenticator->setUser(m_dlg->settings().userName);
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authenticator->setPassword(m_dlg->settings().password);
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}
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}
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/*!
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* \brief Allows initial request and navigation on the same page but opens everything else in an external browser.
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*/
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bool WebPage::handleNavigationRequest(const QUrl ¤tUrl, const QUrl &targetUrl)
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{
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if (currentUrl.isEmpty()) {
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// allow initial request
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return true;
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}
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// only allow navigation on the same page
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if (isSamePage(currentUrl, targetUrl)) {
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return true;
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}
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// otherwise open URL in external browser
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QDesktopServices::openUrl(targetUrl);
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return false;
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}
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#ifdef SYNCTHINGWIDGETS_USE_WEBKIT
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/*!
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* \brief Ignores SSL errors that are known exceptions to support self-signed certificates.
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*/
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void WebPage::handleSslErrors(QNetworkReply *reply, const QList<QSslError> &errors)
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{
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Q_UNUSED(errors)
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if (m_dlg && reply->request().url().host() == m_view->url().host()) {
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reply->ignoreSslErrors(m_dlg->settings().expectedSslErrors);
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}
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}
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#endif
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/*!
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* \brief Injects the specified JavaScript.
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*/
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void WebPage::injectJavaScript(const QString &scriptSource)
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{
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#ifdef SYNCTHINGWIDGETS_USE_WEBENGINE
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runJavaScript(scriptSource);
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#else // SYNCTHINGWIDGETS_USE_WEBKIT
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mainFrame()->evaluateJavaScript(scriptSource);
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#endif
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}
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/*!
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* \brief Injects the JavaScript code required for additional features.
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* \remarks Called when the page has been loaded.
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*/
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void WebPage::injectJavaScripts(bool ok)
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{
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Q_UNUSED(ok)
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// show folder path selection when double-clicking input
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injectJavaScript(QStringLiteral("jQuery('#folderPath').dblclick(function(event) {"
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" if (event.target && !event.target.getAttribute('readonly')) {"
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" console.log('nativeInterface.showFolderPathSelection: ' + event.target.value);"
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" }"
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"});"));
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}
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/*!
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* \brief Invokes native methods requested via JavaScript log.
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*/
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void WebPage::processJavaScriptConsoleMessage(const QString &message)
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{
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if (message.startsWith(QLatin1String("nativeInterface.showFolderPathSelection: "))) {
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showFolderPathSelection(message.mid(41));
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}
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}
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/*!
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* \brief Shows the folder path selection and sets the selected path in the page.
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*/
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void WebPage::showFolderPathSelection(const QString &defaultDir)
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{
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const QString dir(QFileDialog::getExistingDirectory(m_view, tr("Select path for Syncthing directory ..."), defaultDir));
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if (!dir.isEmpty()) {
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injectJavaScript(QStringLiteral("document.getElementById('folderPath').value = '") % dir % QStringLiteral("';"));
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}
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}
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} // namespace QtGui
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#endif // SYNCTHINGWIDGETS_NO_WEBVIEW
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