experimentally discover base url of the feed and use it to relative URLs withing messages

resources/desktop/com.github.rssguard.appdata.xml

@@ -30,7 +30,7 @@
   <url type="donation">https://martinrotter.github.io/donate/</url>
   <content_rating type="oars-1.1" />
   <releases>
-    <release version="3.9.2" date="2021-07-01"/>
+    <release version="3.9.2" date="2021-07-12"/>
   </releases>
   <content_rating type="oars-1.0">
     <content_attribute id="violence-cartoon">none</content_attribute>

src/librssguard/gui/webviewer.cpp

@@ -53,7 +53,7 @@ WebPage* WebViewer::page() const {
 }
 
 void WebViewer::displayMessage() {
-  setHtml(m_messageContents /*, QUrl::fromUserInput(INTERNAL_URL_MESSAGE)*/);
+  setHtml(m_messageContents, m_messageBaseUrl /*, QUrl::fromUserInput(INTERNAL_URL_MESSAGE)*/);
 }
 
 bool WebViewer::increaseWebPageZoom() {
@@ -143,6 +143,21 @@ void WebViewer::loadMessages(const QList<Message>& messages, RootItem* root) {
   }
 
   m_root = root;
+
+  auto* feed = root->getParentServiceRoot()->getItemFromSubTree([messages](const RootItem* it) {
+    return it->kind() == RootItem::Kind::Feed && it->customId() == messages.at(0).m_feedId;
+  })->toFeed();
+
+  m_messageBaseUrl = QString();
+
+  if (feed != nullptr) {
+    QUrl url(feed->source());
+
+    if (url.isValid()) {
+      m_messageBaseUrl = url.scheme() + QSL("://") + url.host();
+    }
+  }
+
   m_messageContents = skin.m_layoutMarkupWrapper.arg(messages.size() == 1 ? messages.at(0).m_title : tr("Newspaper view"),
                                                      messages_layout);
 

src/librssguard/gui/webviewer.h

@@ -45,6 +45,7 @@ class WebViewer : public QWebEngineView {
 
   private:
     RootItem* m_root;
+    QString m_messageBaseUrl;
     QString m_messageContents;
 };
 

src/librssguard/services/standard/atomparser.cpp

@@ -50,13 +50,13 @@ QString AtomParser::feedAuthor() const {
 Message AtomParser::extractMessage(const QDomElement& msg_element, QDateTime current_time) const {
   Message new_message;
   QString title = textsFromPath(msg_element, m_atomNamespace, QSL("title"), true).join(QSL(", "));
-  QString summary = textsFromPath(msg_element, m_atomNamespace, QSL("content"), true).join(QSL(", "));
+  QString summary = rawXmlChild(msg_element.elementsByTagNameNS(m_atomNamespace, QSL("content")).at(0).toElement());
 
   if (summary.isEmpty()) {
-    summary = textsFromPath(msg_element, m_atomNamespace, QSL("summary"), true).join(QSL(", "));
+    summary = rawXmlChild(msg_element.elementsByTagNameNS(m_atomNamespace, QSL("summary")).at(0).toElement());
 
     if (summary.isEmpty()) {
-      summary = mrssTextFromPath(msg_element, QSL("description"));
+      summary = rawXmlChild(msg_element.elementsByTagNameNS(m_mrssNamespace, QSL("description")).at(0).toElement());
     }
   }
 

src/librssguard/services/standard/feedparser.cpp

@@ -3,9 +3,12 @@
 #include "services/standard/feedparser.h"
 
 #include "exceptions/applicationexception.h"
+#include "miscellaneous/application.h"
+#include "network-web/webfactory.h"
 
 #include <QDebug>
 #include <QRegularExpression>
+
 #include <utility>
 
 FeedParser::FeedParser(QString data) : m_xmlData(std::move(data)), m_mrssNamespace(QSL("http://search.yahoo.com/mrss/")) {
@@ -84,6 +87,28 @@ QString FeedParser::mrssTextFromPath(const QDomElement& msg_element, const QStri
   return text;
 }
 
+QString FeedParser::rawXmlChild(const QDomElement& container) const {
+  QString raw;
+  auto children = container.childNodes();
+
+  for (int i = 0; i < children.size(); i++) {
+    QString raw_ch;
+
+    if (children.at(i).isCDATASection()) {
+      raw_ch = children.at(i).toCDATASection().data();
+    }
+    else {
+      QTextStream str(&raw_ch);
+
+      children.at(i).save(str, 0);
+    }
+
+    raw += qApp->web()->unescapeHtml(raw_ch);
+  }
+
+  return raw;
+}
+
 QStringList FeedParser::textsFromPath(const QDomElement& element, const QString& namespace_uri,
                                       const QString& xml_path, bool only_first) const {
   QStringList paths = xml_path.split('/');

src/librssguard/services/standard/feedparser.h

@@ -19,6 +19,7 @@ class FeedParser {
   protected:
     QList<Enclosure> mrssGetEnclosures(const QDomElement& msg_element) const;
     QString mrssTextFromPath(const QDomElement& msg_element, const QString& xml_path) const;
+    QString rawXmlChild(const QDomElement& container) const;
     QStringList textsFromPath(const QDomElement& element, const QString& namespace_uri, const QString& xml_path, bool only_first) const;
     virtual QDomNodeList messageElements() = 0;
     virtual QString feedAuthor() const;