Fix URL handling in PLS parser.

Make sure relative paths are resolved to a full path.

Task-number: QTBUG-40515
Change-Id: Ideb83fc3a3c4a74c84917a22e3c30162d7b6158a
Reviewed-by: Christian Stromme <christian.stromme@digia.com>

src/multimedia/playback/playlistfileparser.cpp

@@ -59,6 +59,30 @@ public:
 
     virtual void parseLine(int lineIndex, const QString& line, const QUrl& root) = 0;
 
+protected:
+    QUrl expandToFullPath(const QUrl &root, const QString &line)
+    {
+        // On Linux, backslashes are not converted to forward slashes :/
+        if (line.startsWith(QLatin1String("//")) || line.startsWith(QLatin1String("\\\\"))) {
+            // Network share paths are not resolved
+            return QUrl::fromLocalFile(line);
+        }
+
+        QUrl url(line);
+        if (url.scheme().isEmpty()) {
+            // Resolve it relative to root
+            if (root.isLocalFile())
+                return root.resolved(QUrl::fromLocalFile(line));
+            else
+                return root.resolved(url);
+        } else if (url.scheme().length() == 1) {
+            // Assume it's a drive letter for a Windows path
+            url = QUrl::fromLocalFile(line);
+        }
+
+        return url;
+    }
+
 Q_SIGNALS:
     void newItem(const QVariant& content);
     void finished();
@@ -146,29 +170,6 @@ public:
         return -1;
     }
 
-    QUrl expandToFullPath(const QUrl& root, const QString& line)
-    {
-        // On Linux, backslashes are not converted to forward slashes :/
-        if (line.startsWith(QLatin1String("//")) || line.startsWith(QLatin1String("\\\\"))) {
-            // Network share paths are not resolved
-            return QUrl::fromLocalFile(line);
-        }
-
-        QUrl url(line);
-        if (url.scheme().isEmpty()) {
-            // Resolve it relative to root
-            if (root.isLocalFile())
-                return root.resolved(QUrl::fromLocalFile(line));
-            else
-                return root.resolved(url);
-        } else if (url.scheme().length() == 1) {
-            // Assume it's a drive letter for a Windows path
-            url = QUrl::fromLocalFile(line);
-        }
-
-        return url;
-    }
-
 private:
     bool            m_extendedFormat;
     QVariantMap     m_extraInfo;
@@ -249,7 +250,7 @@ Version=2
         m_readFlags |= int(flag);
     }
 
-    void parseLine(int lineIndex, const QString& line, const QUrl&)
+    void parseLine(int lineIndex, const QString &line, const QUrl &root)
     {
         switch (m_state) {
         case Header:
@@ -260,7 +261,7 @@ Version=2
             break;
         case Track:
             if (!containsFlag(FileRead) && line.startsWith(m_fileName)) {
-                m_item[QLatin1String("url")] = getValue(lineIndex, line);
+                m_item[QLatin1String("url")] = expandToFullPath(root, getValue(lineIndex, line));
                 setFlag(FileRead);
             } else if (!containsFlag(TitleRead) && line.startsWith(m_titleName)) {
                 m_item[QMediaMetaData::Title] = getValue(lineIndex, line);

tests/auto/unit/qmediaplaylist/testdata/test.pls

@@ -6,5 +6,22 @@ Length1=-1
 File2= http://test.host/path
 Title2=Second
 Length2=-1
+File3=testfile
+Title3=Third
+Length3=-1
 
-NumberOfEntries=2
+
+
+File4=testdir/testfile
+Title4=Fourth
+Length4=-1
+File5=/testdir/testfile
+Title5=Fifth
+Length5=-1
+File6=file://path/name#suffix
+Title6=Sixth
+Length6=-1
+File7=testfile2#suffix
+Title7=Seventh
+Length7=-1
+NumberOfEntries=7

tests/auto/unit/qmediaplaylist/tst_qmediaplaylist.cpp

@@ -488,9 +488,21 @@ void tst_QMediaPlaylist::loadPLSFile()
     QTRY_VERIFY(!loadSpy.isEmpty());
     QVERIFY(loadFailedSpy.isEmpty());
     QCOMPARE(playlist.error(), QMediaPlaylist::NoError);
-    QCOMPARE(playlist.mediaCount(), 2);
+    QCOMPARE(playlist.mediaCount(), 7);
+
     QCOMPARE(playlist.media(0).canonicalUrl(), QUrl(QLatin1String("http://test.host/path")));
     QCOMPARE(playlist.media(1).canonicalUrl(), QUrl(QLatin1String("http://test.host/path")));
+    testFileName = QFINDTESTDATA("testdata/testfile");
+    QCOMPARE(playlist.media(2).canonicalUrl(),
+             QUrl::fromLocalFile(testFileName));
+    testFileName = QFINDTESTDATA("testdata");
+    QCOMPARE(playlist.media(3).canonicalUrl(),
+             QUrl::fromLocalFile(testFileName + "/testdir/testfile"));
+    QCOMPARE(playlist.media(4).canonicalUrl(), QUrl(QLatin1String("file:///testdir/testfile")));
+    QCOMPARE(playlist.media(5).canonicalUrl(), QUrl(QLatin1String("file://path/name#suffix")));
+    //ensure #2 suffix is not stripped from path
+    testFileName = QFINDTESTDATA("testdata/testfile2#suffix");
+    QCOMPARE(playlist.media(6).canonicalUrl(), QUrl::fromLocalFile(testFileName));
 
     // Try to load a totem-pl generated playlist
     loadSpy.clear();