kde-frameworks/kio: Fix major PreviewJob bugs

- Cleanup temp files of failed get()
- Skip remote directories

See also KDE Bug: https://bugs.kde.org/show_bug.cgi?id=208625

Package-Manager: Portage-2.3.5, Repoman-2.3.1

2 files changed, 99 insertions, 0 deletions

diff --git a/kde-frameworks/kio/files/kio-5.34.0-previewjob1.patch b/kde-frameworks/kio/files/kio-5.34.0-previewjob1.patch
new file mode 100644
index 000000000000..87ba27d807f8
--- /dev/null
+++ b/kde-frameworks/kio/files/kio-5.34.0-previewjob1.patch
@@ -0,0 +1,64 @@
+From 78c45a1ea0e28a98f34c6d113c807f14700b22d4 Mon Sep 17 00:00:00 2001
+From: David Faure <faure@kde.org>
+Date: Sun, 14 May 2017 15:40:02 +0200
+Subject: [PATCH 1/2] PreviewJob: clean up empty temp file when get() fails.
+
+(e.g. because it's a directory)
+
+CCBUG: 208625
+---
+ src/widgets/previewjob.cpp | 17 +++++++++++++----
+ 1 file changed, 13 insertions(+), 4 deletions(-)
+
+diff --git a/src/widgets/previewjob.cpp b/src/widgets/previewjob.cpp
+index 9eae3469..e836f7da 100644
+--- a/src/widgets/previewjob.cpp
++++ b/src/widgets/previewjob.cpp
+@@ -143,6 +143,7 @@ public:
+     void getOrCreateThumbnail();
+     bool statResultThumbnail();
+     void createThumbnail(const QString &);
++    void cleanupTempFile();
+     void determineNextFile();
+     void emitPreview(const QImage &thumb);
+ 
+@@ -409,6 +410,16 @@ void PreviewJob::setIgnoreMaximumSize(bool ignoreSize)
+     d_func()->ignoreMaximumSize = ignoreSize;
+ }
+ 
++void PreviewJobPrivate::cleanupTempFile()
++{
++    if (!tempName.isEmpty()) {
++        Q_ASSERT(!QFileInfo(tempName).isDir());
++        Q_ASSERT(QFileInfo(tempName).isFile());
++        QFile::remove(tempName);
++        tempName.clear();
++    }
++}
++
+ void PreviewJobPrivate::determineNextFile()
+ {
+     Q_Q(PreviewJob);
+@@ -491,6 +502,7 @@ void PreviewJob::slotResult(KJob *job)
+     }
+     case PreviewJobPrivate::STATE_GETORIG: {
+         if (job->error()) {
++            d->cleanupTempFile();
+             d->determineNextFile();
+             return;
+         }
+@@ -499,10 +511,7 @@ void PreviewJob::slotResult(KJob *job)
+         return;
+     }
+     case PreviewJobPrivate::STATE_CREATETHUMB: {
+-        if (!d->tempName.isEmpty()) {
+-            QFile::remove(d->tempName);
+-            d->tempName.clear();
+-        }
++        d->cleanupTempFile();
+         d->determineNextFile();
+         return;
+     }
+-- 
+2.13.0
+
diff --git a/kde-frameworks/kio/files/kio-5.34.0-previewjob2.patch b/kde-frameworks/kio/files/kio-5.34.0-previewjob2.patch
new file mode 100644
index 000000000000..fab4d8825f4d
--- /dev/null
+++ b/kde-frameworks/kio/files/kio-5.34.0-previewjob2.patch
@@ -0,0 +1,35 @@
+From 1620032772465be475ae0746aff63a566ef2a546 Mon Sep 17 00:00:00 2001
+From: David Faure <faure@kde.org>
+Date: Sun, 14 May 2017 15:48:33 +0200
+Subject: [PATCH 2/2] PreviewJob: skip remote directories. Too expensive to
+ preview.
+
+For some protocols, file_copy() would end up copying the whole
+directory locally!
+
+FIXED-IN: 5.35
+BUG: 208625
+---
+ src/widgets/previewjob.cpp | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git a/src/widgets/previewjob.cpp b/src/widgets/previewjob.cpp
+index e836f7da..da50b219 100644
+--- a/src/widgets/previewjob.cpp
++++ b/src/widgets/previewjob.cpp
+@@ -599,6 +599,12 @@ void PreviewJobPrivate::getOrCreateThumbnail()
+             createThumbnail(fileUrl.toString());
+             return;
+         }
++        if (item.isDir()) {
++            // Skip remote dirs (bug 208625)
++            cleanupTempFile();
++            determineNextFile();
++            return;
++        }
+         // No plugin support access to this remote content, copy the file
+         // to the local machine, then create the thumbnail
+         state = PreviewJobPrivate::STATE_GETORIG;
+-- 
+2.13.0
+