[Libreoffice-commits] core.git: Branch 'distro/lhm/libreoffice-6-4+backports' - vcl/CppunitTest_vcl_filter_ipdf.mk vcl/Module_vcl.mk vcl/qa vcl/source

Miklos Vajna (via logerrit) logerrit at kemper.freedesktop.org
Wed Dec 2 16:41:45 UTC 2020


 vcl/CppunitTest_vcl_filter_ipdf.mk                  |   49 +++++++++++++
 vcl/Module_vcl.mk                                   |    1 
 vcl/qa/cppunit/filter/ipdf/data/dict-array-dict.pdf |   55 +++++++++++++++
 vcl/qa/cppunit/filter/ipdf/ipdf.cxx                 |   73 ++++++++++++++++++++
 vcl/source/filter/ipdf/pdfdocument.cxx              |   13 +++
 5 files changed, 189 insertions(+), 2 deletions(-)

New commits:
commit be9f6bccbaa2a447f9a3053e46027c42e9c3018d
Author:     Miklos Vajna <vmiklos at collabora.com>
AuthorDate: Fri Oct 16 18:15:21 2020 +0200
Commit:     Michael Stahl <michael.stahl at cib.de>
CommitDate: Wed Dec 2 17:41:05 2020 +0100

    vcl pdf tokenizer: fix handling of dict -> array -> dict tokens
    
    Needed to be able to parse the /Reference key of signatures.
    
    (cherry picked from commit 056c1284d6a68525002c54bef10834cc135385db)
    
    Conflicts:
            vcl/qa/cppunit/filter/ipdf/ipdf.cxx
    
    Change-Id: I6b81089a3f58a2de461ad92ca5a891c284f8686a
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/105626
    Tested-by: Jenkins
    Reviewed-by: Caolán McNamara <caolanm at redhat.com>
    (cherry picked from commit 8f46af565680bef0ff8ca32781e6d813a7446543)
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/107061
    Tested-by: Michael Stahl <michael.stahl at cib.de>
    Reviewed-by: Michael Stahl <michael.stahl at cib.de>

diff --git a/vcl/CppunitTest_vcl_filter_ipdf.mk b/vcl/CppunitTest_vcl_filter_ipdf.mk
new file mode 100644
index 000000000000..403836ac781a
--- /dev/null
+++ b/vcl/CppunitTest_vcl_filter_ipdf.mk
@@ -0,0 +1,49 @@
+# -*- Mode: makefile-gmake; tab-width: 4; indent-tabs-mode: t -*-
+#*************************************************************************
+#
+# This file is part of the LibreOffice project.
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+#*************************************************************************
+
+$(eval $(call gb_CppunitTest_CppunitTest,vcl_filter_ipdf))
+
+$(eval $(call gb_CppunitTest_use_externals,vcl_filter_ipdf,\
+	boost_headers \
+	pdfium \
+))
+
+$(eval $(call gb_CppunitTest_add_exception_objects,vcl_filter_ipdf, \
+    vcl/qa/cppunit/filter/ipdf/ipdf \
+))
+
+$(eval $(call gb_CppunitTest_use_libraries,vcl_filter_ipdf, \
+    comphelper \
+    cppu \
+    sal \
+    sfx \
+    svx \
+    test \
+    tl \
+    unotest \
+    utl \
+    vcl \
+))
+
+$(eval $(call gb_CppunitTest_use_sdk_api,vcl_filter_ipdf))
+
+$(eval $(call gb_CppunitTest_use_ure,vcl_filter_ipdf))
+$(eval $(call gb_CppunitTest_use_vcl,vcl_filter_ipdf))
+
+$(eval $(call gb_CppunitTest_use_rdb,vcl_filter_ipdf,services))
+
+$(eval $(call gb_CppunitTest_use_custom_headers,vcl_filter_ipdf,\
+	officecfg/registry \
+))
+
+$(eval $(call gb_CppunitTest_use_configuration,vcl_filter_ipdf))
+
+# vim: set noet sw=4 ts=4:
diff --git a/vcl/Module_vcl.mk b/vcl/Module_vcl.mk
index 5620f188c7f2..38984ac44be2 100644
--- a/vcl/Module_vcl.mk
+++ b/vcl/Module_vcl.mk
@@ -246,6 +246,7 @@ endif
 ifneq (,$(filter PDFIUM,$(BUILD_TYPE)))
 $(eval $(call gb_Module_add_slowcheck_targets,vcl,\
 	CppunitTest_vcl_pdfexport \
+    CppunitTest_vcl_filter_ipdf \
 ))
 endif
 
diff --git a/vcl/qa/cppunit/filter/ipdf/data/dict-array-dict.pdf b/vcl/qa/cppunit/filter/ipdf/data/dict-array-dict.pdf
new file mode 100644
index 000000000000..73de3117b9a6
--- /dev/null
+++ b/vcl/qa/cppunit/filter/ipdf/data/dict-array-dict.pdf
@@ -0,0 +1,55 @@
+%PDF-1.7
+% ò¤ô
+1 0 obj <<
+  /Type /Catalog
+  /Pages 2 0 R
+>>
+endobj
+2 0 obj <<
+  /Type /Pages
+  /MediaBox [0 0 200 300]
+  /Count 1
+  /Kids [3 0 R]
+>>
+endobj
+3 0 obj <<
+  /Type /Page
+  /Parent 2 0 R
+  /Contents 4 0 R
+  /Key[<</InnerKey 42>>]
+>>
+endobj
+4 0 obj <<
+  /Length 188
+>>
+stream
+q
+0 0 0 rg
+0 290 10 10 re B*
+10 150 50 30 re B*
+0 0 1 rg
+190 290 10 10 re B*
+70 232 50 30 re B*
+0 1 0 rg
+190 0 10 10 re B*
+130 150 50 30 re B*
+1 0 0 rg
+0 0 10 10 re B*
+70 67 50 30 re B*
+Q
+endstream
+endobj
+xref
+0 5
+0000000000 65535 f 
+0000000015 00000 n 
+0000000068 00000 n 
+0000000157 00000 n 
+0000000251 00000 n 
+trailer <<
+  /Root 1 0 R
+  /Size 5
+>>
+startxref
+491
+%%EOF
diff --git a/vcl/qa/cppunit/filter/ipdf/ipdf.cxx b/vcl/qa/cppunit/filter/ipdf/ipdf.cxx
new file mode 100644
index 000000000000..037d4427dbbf
--- /dev/null
+++ b/vcl/qa/cppunit/filter/ipdf/ipdf.cxx
@@ -0,0 +1,73 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <test/bootstrapfixture.hxx>
+#include <unotest/macros_test.hxx>
+
+#include <com/sun/star/drawing/XDrawPagesSupplier.hpp>
+#include <com/sun/star/drawing/XDrawView.hpp>
+#include <com/sun/star/frame/Desktop.hpp>
+#include <com/sun/star/security/XCertificate.hpp>
+#include <com/sun/star/view/XSelectionSupplier.hpp>
+#include <com/sun/star/xml/crypto/SEInitializer.hpp>
+
+#include <comphelper/propertyvalue.hxx>
+#include <osl/file.hxx>
+#include <unotools/tempfile.hxx>
+#include <sfx2/sfxbasemodel.hxx>
+#include <svx/svdview.hxx>
+#include <sfx2/viewsh.hxx>
+#include <sfx2/objsh.hxx>
+#include <vcl/filter/PDFiumLibrary.hxx>
+#include <vcl/filter/pdfdocument.hxx>
+
+using namespace ::com::sun::star;
+
+namespace
+{
+char const DATA_DIRECTORY[] = "/vcl/qa/cppunit/filter/ipdf/data/";
+}
+
+/// Covers vcl/source/filter/ipdf/ fixes.
+class VclFilterIpdfTest : public test::BootstrapFixture, public unotest::MacrosTest
+{
+public:
+    void setUp() override;
+};
+
+void VclFilterIpdfTest::setUp()
+{
+    test::BootstrapFixture::setUp();
+
+    mxDesktop.set(frame::Desktop::create(m_xContext));
+}
+
+CPPUNIT_TEST_FIXTURE(VclFilterIpdfTest, testDictArrayDict)
+{
+    // Load a file that has markup like this:
+    // 3 0 obj <<
+    //   /Key[<</InnerKey 42>>]
+    // >>
+    OUString aSourceURL = m_directories.getURLFromSrc(DATA_DIRECTORY) + "dict-array-dict.pdf";
+    SvFileStream aFile(aSourceURL, StreamMode::READ);
+    vcl::filter::PDFDocument aDocument;
+    CPPUNIT_ASSERT(aDocument.Read(aFile));
+    std::vector<vcl::filter::PDFObjectElement*> aPages = aDocument.GetPages();
+    CPPUNIT_ASSERT(!aPages.empty());
+    vcl::filter::PDFObjectElement* pPage = aPages[0];
+    auto pKey = dynamic_cast<vcl::filter::PDFArrayElement*>(pPage->Lookup("Key"));
+
+    // Without the accompanying fix in place, this test would have failed, because the value of Key
+    // was a dictionary element, not an array element.
+    CPPUNIT_ASSERT(pKey);
+}
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/source/filter/ipdf/pdfdocument.cxx b/vcl/source/filter/ipdf/pdfdocument.cxx
index 1afc3167ae91..ec286721ec16 100644
--- a/vcl/source/filter/ipdf/pdfdocument.cxx
+++ b/vcl/source/filter/ipdf/pdfdocument.cxx
@@ -2229,8 +2229,17 @@ size_t PDFDictionaryElement::Parse(const std::vector<std::unique_ptr<PDFElement>
                 if (nexti >= i) // ensure we go forwards and not endlessly loop
                 {
                     i = nexti;
-                    rDictionary[aName] = pDictionary;
-                    aName.clear();
+                    if (pArray)
+                    {
+                        // Dictionary value inside an array.
+                        pArray->PushBack(pDictionary);
+                    }
+                    else
+                    {
+                        // Dictionary toplevel value.
+                        rDictionary[aName] = pDictionary;
+                        aName.clear();
+                    }
                 }
             }
         }


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