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kio: handle compressed PDF documents in kfilemetadata_poppler plugin

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2023-08-01 04:08:36 +00:00
parent 886187c647
commit 410d0cdd30
4 changed files with 29 additions and 3 deletions
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2
kio/CMakeLists.txt
View file

@ -16,6 +16,8 @@ include_directories(
${CMAKE_BINARY_DIR}/kutils/kpasswdstore
${CMAKE_SOURCE_DIR}/kutils/kexiv2
${CMAKE_BINARY_DIR}/kutils/kexiv2
${CMAKE_SOURCE_DIR}/kutils/karchive
${CMAKE_BINARY_DIR}/kutils/karchive
)
add_definitions(-DKDE_DEFAULT_DEBUG_AREA=7000)

1
kio/metadata/CMakeLists.txt
View file

@ -91,6 +91,7 @@ if (POPPLER_FOUND)
target_link_libraries(kfilemetadata_poppler
${POPPLER_LIBRARIES}
kio
karchive
)
install(

27
kio/metadata/kfilemetadata_poppler.cpp
View file

@ -20,9 +20,11 @@
#include "kpluginfactory.h"
#include "kglobal.h"
#include "klocale.h"
#include "kdecompressor.h"
#include "kdebug.h"
#include <QDateTime>
#include <QFile>
#include <poppler/cpp/poppler-document.h>
#include <poppler/cpp/poppler-version.h>
@ -62,8 +64,29 @@ KFileMetaDataPopplerPlugin::~KFileMetaDataPopplerPlugin()
QList<KFileMetaInfoItem> KFileMetaDataPopplerPlugin::metaData(const KUrl &url)
{
QList<KFileMetaInfoItem> result;
const QByteArray urlpath = url.toLocalFile().toLocal8Bit();
poppler::document *popplerdocument = poppler::document::load_from_file(std::string(urlpath.constData(), urlpath.size()));
const QString urlpath = url.toLocalFile();
poppler::document* popplerdocument = nullptr;
// NOTE: data has be kept for as long as the document is open
QByteArray popplerbytes;
const KDecompressor::KDecompressorType pathtype = KDecompressor::typeForFile(urlpath);
if (pathtype != KDecompressor::TypeUnknown) {
QFile pathfile(urlpath);
if (!pathfile.open(QFile::ReadOnly)) {
kWarning() << "Could not open" << urlpath;
return result;
}
KDecompressor kdecompressor;
kdecompressor.setType(pathtype);
if (!kdecompressor.process(pathfile.readAll())) {
kWarning() << "Could not decompress" << urlpath;
return result;
}
popplerbytes = kdecompressor.result();
popplerdocument = poppler::document::load_from_raw_data(popplerbytes.constData(), popplerbytes.size());
} else {
const QByteArray urlpathbytes = QFile::encodeName(urlpath);
popplerdocument = poppler::document::load_from_file(std::string(urlpathbytes.constData(), urlpathbytes.size()));
}
if (!popplerdocument) {
kWarning() << "Could not open" << urlpath;
return result;

2
kio/metadata/kfilemetadata_poppler.desktop
View file

@ -3,7 +3,7 @@ Type=Service
Name=KFileMetaDataPopplerPlugin
GenericName=Poppler
Comment=Extracts metadata from Portable Document Format (PDF) documents
MimeType=application/pdf;application/x-pdf
MimeType=application/x-pdf;application/pdf;application/x-gzpdf;application/x-bzpdf;
X-KDE-Library=kfilemetadata_poppler
X-KDE-ServiceTypes=KFileMetaData/Plugin
X-KDE-MetadataKeys=http://www.semanticdesktop.org/ontologies/2007/01/19/nie#title,http://www.semanticdesktop.org/ontologies/2007/01/19/nie#subject,http://www.semanticdesktop.org/ontologies/2007/01/19/nie#keyword,http://www.semanticdesktop.org/ontologies/2007/01/19/nie#generator,http://www.semanticdesktop.org/ontologies/2007/01/19/nie#contentCreated,http://www.semanticdesktop.org/ontologies/2007/01/19/nie#contentLastModified,http://www.semanticdesktop.org/ontologies/2007/03/22/nco#creator,http://www.semanticdesktop.org/ontologies/2007/05/10/nid3#textWriter,http://www.semanticdesktop.org/ontologies/2007/03/22/nfo#pageCount