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// Copyright 2015 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "core/fpdfapi/parser/cpdf_document.h"
#include "core/fxcrt/fx_string.h"
#include "fpdfsdk/cpdfsdk_helpers.h"
#include "public/cpp/fpdf_scopers.h"
#include "public/fpdf_doc.h"
#include "public/fpdf_edit.h"
#include "public/fpdfview.h"
#include "testing/embedder_test.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "testing/test_support.h"
class FPDFDocEmbeddertest : public EmbedderTest {};
TEST_F(FPDFDocEmbeddertest, MultipleSamePage) {
EXPECT_TRUE(OpenDocument("hello_world.pdf"));
CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document());
std::set<FPDF_PAGE> unique_pages;
std::vector<ScopedFPDFPage> owned_pages(4);
for (auto& ref : owned_pages) {
ref.reset(FPDF_LoadPage(document(), 0));
unique_pages.insert(ref.get());
}
#ifdef PDF_ENABLE_XFA
EXPECT_EQ(1u, unique_pages.size());
EXPECT_EQ(1u, pDoc->GetParsedPageCountForTesting());
#else // PDF_ENABLE_XFA
EXPECT_EQ(4u, unique_pages.size());
EXPECT_EQ(4u, pDoc->GetParsedPageCountForTesting());
#endif // PDF_ENABLE_XFA
}
TEST_F(FPDFDocEmbeddertest, DestGetPageIndex) {
EXPECT_TRUE(OpenDocument("named_dests.pdf"));
// NULL FPDF_DEST case.
EXPECT_EQ(-1, FPDFDest_GetDestPageIndex(document(), nullptr));
// Page number directly in item from Dests NameTree.
FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
EXPECT_TRUE(dest);
EXPECT_EQ(1, FPDFDest_GetDestPageIndex(document(), dest));
// Page number via object reference in item from Dests NameTree.
dest = FPDF_GetNamedDestByName(document(), "Next");
EXPECT_TRUE(dest);
EXPECT_EQ(1, FPDFDest_GetDestPageIndex(document(), dest));
// Page number directly in item from Dests dictionary.
dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
EXPECT_TRUE(dest);
EXPECT_EQ(11, FPDFDest_GetDestPageIndex(document(), dest));
// Invalid object reference in item from Dests NameTree.
dest = FPDF_GetNamedDestByName(document(), "LastAlternate");
EXPECT_TRUE(dest);
EXPECT_EQ(-1, FPDFDest_GetDestPageIndex(document(), dest));
}
TEST_F(FPDFDocEmbeddertest, DestGetView) {
EXPECT_TRUE(OpenDocument("named_dests.pdf"));
unsigned long numParams;
FS_FLOAT params[4];
numParams = 42;
std::fill_n(params, 4, 42.4242f);
EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_UNKNOWN_MODE),
FPDFDest_GetView(nullptr, &numParams, params));
EXPECT_EQ(0U, numParams);
EXPECT_FLOAT_EQ(42.4242f, params[0]);
numParams = 42;
std::fill_n(params, 4, 42.4242f);
FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
EXPECT_TRUE(dest);
EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
FPDFDest_GetView(dest, &numParams, params));
EXPECT_EQ(3U, numParams);
EXPECT_FLOAT_EQ(0, params[0]);
EXPECT_FLOAT_EQ(0, params[1]);
EXPECT_FLOAT_EQ(1, params[2]);
EXPECT_FLOAT_EQ(42.4242f, params[3]);
numParams = 42;
std::fill_n(params, 4, 42.4242f);
dest = FPDF_GetNamedDestByName(document(), "Next");
EXPECT_TRUE(dest);
EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_FIT),
FPDFDest_GetView(dest, &numParams, params));
EXPECT_EQ(0U, numParams);
EXPECT_FLOAT_EQ(42.4242f, params[0]);
numParams = 42;
std::fill_n(params, 4, 42.4242f);
dest = FPDF_GetNamedDestByName(document(), "FirstAlternate");
EXPECT_TRUE(dest);
EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
FPDFDest_GetView(dest, &numParams, params));
EXPECT_EQ(3U, numParams);
EXPECT_FLOAT_EQ(200, params[0]);
EXPECT_FLOAT_EQ(400, params[1]);
EXPECT_FLOAT_EQ(800, params[2]);
EXPECT_FLOAT_EQ(42.4242f, params[3]);
numParams = 42;
std::fill_n(params, 4, 42.4242f);
dest = FPDF_GetNamedDestByName(document(), "LastAlternate");
EXPECT_TRUE(dest);
EXPECT_EQ(static_cast<unsigned long>(PDFDEST_VIEW_XYZ),
FPDFDest_GetView(dest, &numParams, params));
EXPECT_EQ(3U, numParams);
EXPECT_FLOAT_EQ(0, params[0]);
EXPECT_FLOAT_EQ(0, params[1]);
EXPECT_FLOAT_EQ(-200, params[2]);
EXPECT_FLOAT_EQ(42.4242f, params[3]);
}
TEST_F(FPDFDocEmbeddertest, DestGetLocationInPage) {
EXPECT_TRUE(OpenDocument("named_dests.pdf"));
// NULL FPDF_DEST case.
EXPECT_EQ(-1, FPDFDest_GetDestPageIndex(document(), nullptr));
FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
EXPECT_TRUE(dest);
FPDF_BOOL hasX;
FPDF_BOOL hasY;
FPDF_BOOL hasZoom;
FS_FLOAT x;
FS_FLOAT y;
FS_FLOAT zoom;
EXPECT_TRUE(
FPDFDest_GetLocationInPage(dest, &hasX, &hasY, &hasZoom, &x, &y, &zoom));
EXPECT_TRUE(hasX);
EXPECT_TRUE(hasY);
EXPECT_TRUE(hasZoom);
EXPECT_EQ(0, x);
EXPECT_EQ(0, y);
EXPECT_EQ(1, zoom);
}
TEST_F(FPDFDocEmbeddertest, BUG_680376) {
EXPECT_TRUE(OpenDocument("bug_680376.pdf"));
// Page number directly in item from Dests NameTree.
FPDF_DEST dest = FPDF_GetNamedDestByName(document(), "First");
EXPECT_TRUE(dest);
EXPECT_EQ(-1, FPDFDest_GetDestPageIndex(document(), dest));
}
TEST_F(FPDFDocEmbeddertest, BUG_821454) {
EXPECT_TRUE(OpenDocument("bug_821454.pdf"));
FPDF_PAGE page = LoadPage(0);
ASSERT_TRUE(page);
FPDF_LINK link1 = FPDFLink_GetLinkAtPoint(page, 150, 360);
ASSERT_TRUE(link1);
FPDF_LINK link2 = FPDFLink_GetLinkAtPoint(page, 150, 420);
ASSERT_TRUE(link2);
FPDF_DEST dest1 = FPDFLink_GetDest(document(), link1);
ASSERT_TRUE(dest1);
FPDF_DEST dest2 = FPDFLink_GetDest(document(), link2);
ASSERT_TRUE(dest2);
EXPECT_EQ(0, FPDFDest_GetDestPageIndex(document(), dest1));
EXPECT_EQ(0, FPDFDest_GetDestPageIndex(document(), dest2));
{
FPDF_BOOL has_x_coord;
FPDF_BOOL has_y_coord;
FPDF_BOOL has_zoom;
FS_FLOAT x;
FS_FLOAT y;
FS_FLOAT zoom;
FPDF_BOOL success = FPDFDest_GetLocationInPage(
dest1, &has_x_coord, &has_y_coord, &has_zoom, &x, &y, &zoom);
ASSERT_TRUE(success);
EXPECT_TRUE(has_x_coord);
EXPECT_TRUE(has_y_coord);
EXPECT_FALSE(has_zoom);
EXPECT_FLOAT_EQ(100.0f, x);
EXPECT_FLOAT_EQ(200.0f, y);
}
{
FPDF_BOOL has_x_coord;
FPDF_BOOL has_y_coord;
FPDF_BOOL has_zoom;
FS_FLOAT x;
FS_FLOAT y;
FS_FLOAT zoom;
FPDF_BOOL success = FPDFDest_GetLocationInPage(
dest2, &has_x_coord, &has_y_coord, &has_zoom, &x, &y, &zoom);
ASSERT_TRUE(success);
EXPECT_TRUE(has_x_coord);
EXPECT_TRUE(has_y_coord);
EXPECT_FALSE(has_zoom);
EXPECT_FLOAT_EQ(150.0f, x);
EXPECT_FLOAT_EQ(250.0f, y);
}
UnloadPage(page);
}
TEST_F(FPDFDocEmbeddertest, ActionGetFilePath) {
EXPECT_TRUE(OpenDocument("launch_action.pdf"));
FPDF_PAGE page = LoadPage(0);
ASSERT_TRUE(page);
// The target action is nearly the size of the whole page.
FPDF_LINK link = FPDFLink_GetLinkAtPoint(page, 100, 100);
ASSERT_TRUE(link);
FPDF_ACTION action = FPDFLink_GetAction(link);
ASSERT_TRUE(action);
const char kExpectedResult[] = "test.pdf";
const unsigned long kExpectedLength = sizeof(kExpectedResult);
unsigned long bufsize = FPDFAction_GetFilePath(action, nullptr, 0);
ASSERT_EQ(kExpectedLength, bufsize);
char buf[kExpectedLength];
EXPECT_EQ(bufsize, FPDFAction_GetFilePath(action, buf, bufsize));
EXPECT_EQ(std::string(kExpectedResult), std::string(buf));
UnloadPage(page);
}
TEST_F(FPDFDocEmbeddertest, NoBookmarks) {
// Open a file with no bookmarks.
EXPECT_TRUE(OpenDocument("named_dests.pdf"));
// The non-existent top-level bookmark has no title.
unsigned short buf[128];
EXPECT_EQ(0u, FPDFBookmark_GetTitle(nullptr, buf, sizeof(buf)));
// The non-existent top-level bookmark has no children.
EXPECT_EQ(nullptr, FPDFBookmark_GetFirstChild(document(), nullptr));
}
TEST_F(FPDFDocEmbeddertest, Bookmarks) {
// Open a file with two bookmarks.
EXPECT_TRUE(OpenDocument("bookmarks.pdf"));
// The existent top-level bookmark has no title.
unsigned short buf[128];
EXPECT_EQ(0u, FPDFBookmark_GetTitle(nullptr, buf, sizeof(buf)));
FPDF_BOOKMARK child = FPDFBookmark_GetFirstChild(document(), nullptr);
EXPECT_TRUE(child);
EXPECT_EQ(34u, FPDFBookmark_GetTitle(child, buf, sizeof(buf)));
EXPECT_EQ(WideString(L"A Good Beginning"), WideString::FromUTF16LE(buf, 16));
EXPECT_EQ(nullptr, FPDFBookmark_GetFirstChild(document(), child));
FPDF_BOOKMARK sibling = FPDFBookmark_GetNextSibling(document(), child);
EXPECT_TRUE(sibling);
EXPECT_EQ(28u, FPDFBookmark_GetTitle(sibling, buf, sizeof(buf)));
EXPECT_EQ(WideString(L"A Good Ending"), WideString::FromUTF16LE(buf, 13));
EXPECT_EQ(nullptr, FPDFBookmark_GetNextSibling(document(), sibling));
}
TEST_F(FPDFDocEmbeddertest, FindBookmarks) {
// Open a file with two bookmarks.
EXPECT_TRUE(OpenDocument("bookmarks.pdf"));
// Find the first one, based on its known title.
std::unique_ptr<unsigned short, pdfium::FreeDeleter> title =
GetFPDFWideString(L"A Good Beginning");
FPDF_BOOKMARK child = FPDFBookmark_Find(document(), title.get());
EXPECT_TRUE(child);
// Check that the string matches.
unsigned short buf[128];
EXPECT_EQ(34u, FPDFBookmark_GetTitle(child, buf, sizeof(buf)));
EXPECT_EQ(WideString(L"A Good Beginning"), WideString::FromUTF16LE(buf, 16));
// Check that it is them same as the one returned by GetFirstChild.
EXPECT_EQ(child, FPDFBookmark_GetFirstChild(document(), nullptr));
// Try to find one using a non-existent title.
std::unique_ptr<unsigned short, pdfium::FreeDeleter> bad_title =
GetFPDFWideString(L"A BAD Beginning");
EXPECT_EQ(nullptr, FPDFBookmark_Find(document(), bad_title.get()));
}
// Check circular bookmarks will not cause infinite loop.
TEST_F(FPDFDocEmbeddertest, FindBookmarks_bug420) {
// Open a file with circular bookmarks.
EXPECT_TRUE(OpenDocument("bookmarks_circular.pdf"));
// Try to find a title.
std::unique_ptr<unsigned short, pdfium::FreeDeleter> title =
GetFPDFWideString(L"anything");
EXPECT_EQ(nullptr, FPDFBookmark_Find(document(), title.get()));
}
TEST_F(FPDFDocEmbeddertest, DeletePage) {
EXPECT_TRUE(OpenDocument("hello_world.pdf"));
EXPECT_EQ(1, FPDF_GetPageCount(document()));
FPDFPage_Delete(document(), 0);
EXPECT_EQ(0, FPDF_GetPageCount(document()));
}
TEST_F(FPDFDocEmbeddertest, GetMetaText) {
ASSERT_TRUE(OpenDocument("bug_601362.pdf"));
// Invalid document / tag results in 0.
unsigned short buf[128];
EXPECT_EQ(0u, FPDF_GetMetaText(document(), nullptr, buf, sizeof(buf)));
EXPECT_EQ(0u, FPDF_GetMetaText(nullptr, "", buf, sizeof(buf)));
// Tags that do not eixst results in an empty wide string.
EXPECT_EQ(2u, FPDF_GetMetaText(document(), "", buf, sizeof(buf)));
EXPECT_EQ(2u, FPDF_GetMetaText(document(), "foo", buf, sizeof(buf)));
ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Title", buf, sizeof(buf)));
ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Author", buf, sizeof(buf)));
ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Subject", buf, sizeof(buf)));
ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Keywords", buf, sizeof(buf)));
ASSERT_EQ(2u, FPDF_GetMetaText(document(), "Producer", buf, sizeof(buf)));
constexpr wchar_t kExpectedCreator[] = L"Microsoft Word";
ASSERT_EQ(30u, FPDF_GetMetaText(document(), "Creator", buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedCreator),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedCreator)));
constexpr wchar_t kExpectedCreationDate[] = L"D:20160411190039+00'00'";
ASSERT_EQ(48u,
FPDF_GetMetaText(document(), "CreationDate", buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedCreationDate),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedCreationDate)));
constexpr wchar_t kExpectedModDate[] = L"D:20160411190039+00'00'";
ASSERT_EQ(48u, FPDF_GetMetaText(document(), "ModDate", buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedModDate),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedModDate)));
}
TEST_F(FPDFDocEmbeddertest, Bug_182) {
ASSERT_TRUE(OpenDocument("bug_182.pdf"));
unsigned short buf[128];
constexpr wchar_t kExpectedTitle[] = L"Super Visual Formade 印刷";
ASSERT_EQ(48u, FPDF_GetMetaText(document(), "Title", buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedTitle),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedTitle)));
}
TEST_F(FPDFDocEmbeddertest, GetMetaTextSameObjectNumber) {
ASSERT_TRUE(OpenDocument("annotation_highlight_square_with_ap.pdf"));
// The PDF has been edited. It has two %%EOF markers, and 2 objects numbered
// (1 0). Both objects are /Info dictionaries, but contain different data.
// Make sure ModDate is the date of the last modification.
unsigned short buf[128];
constexpr wchar_t kExpectedModDate[] = L"D:20170612232940-04'00'";
ASSERT_EQ(48u, FPDF_GetMetaText(document(), "ModDate", buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedModDate),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedModDate)));
}
TEST_F(FPDFDocEmbeddertest, GetMetaTextInAttachmentFile) {
ASSERT_TRUE(OpenDocument("embedded_attachments.pdf"));
// Make sure this is the date from the PDF itself and not the attached PDF.
unsigned short buf[128];
constexpr wchar_t kExpectedModDate[] = L"D:20170712214448-07'00'";
ASSERT_EQ(48u, FPDF_GetMetaText(document(), "ModDate", buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedModDate),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedModDate)));
}
TEST_F(FPDFDocEmbeddertest, GetMetaTextFromNewDocument) {
FPDF_DOCUMENT empty_doc = FPDF_CreateNewDocument();
unsigned short buf[128];
EXPECT_EQ(2u, FPDF_GetMetaText(empty_doc, "Title", buf, sizeof(buf)));
FPDF_CloseDocument(empty_doc);
}
TEST_F(FPDFDocEmbeddertest, NoPageLabels) {
EXPECT_TRUE(OpenDocument("about_blank.pdf"));
EXPECT_EQ(1, FPDF_GetPageCount(document()));
ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 0, nullptr, 0));
}
TEST_F(FPDFDocEmbeddertest, GetPageLabels) {
EXPECT_TRUE(OpenDocument("page_labels.pdf"));
EXPECT_EQ(7, FPDF_GetPageCount(document()));
// We do not request labels, when use FPDFAvail_IsXXXAvail.
// Flush all data, to allow read labels.
SetWholeFileAvailable();
unsigned short buf[128];
EXPECT_EQ(0u, FPDF_GetPageLabel(document(), -2, buf, sizeof(buf)));
EXPECT_EQ(0u, FPDF_GetPageLabel(document(), -1, buf, sizeof(buf)));
const wchar_t kExpectedPageLabel0[] = L"i";
ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 0, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel0),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel0)));
const wchar_t kExpectedPageLabel1[] = L"ii";
ASSERT_EQ(6u, FPDF_GetPageLabel(document(), 1, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel1),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel1)));
const wchar_t kExpectedPageLabel2[] = L"1";
ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 2, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel2),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel2)));
const wchar_t kExpectedPageLabel3[] = L"2";
ASSERT_EQ(4u, FPDF_GetPageLabel(document(), 3, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel3),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel3)));
const wchar_t kExpectedPageLabel4[] = L"zzA";
ASSERT_EQ(8u, FPDF_GetPageLabel(document(), 4, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel4),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel4)));
const wchar_t kExpectedPageLabel5[] = L"zzB";
ASSERT_EQ(8u, FPDF_GetPageLabel(document(), 5, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel5),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel5)));
const wchar_t kExpectedPageLabel6[] = L"";
ASSERT_EQ(2u, FPDF_GetPageLabel(document(), 6, buf, sizeof(buf)));
EXPECT_EQ(WideString(kExpectedPageLabel6),
WideString::FromUTF16LE(buf, FXSYS_len(kExpectedPageLabel6)));
ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 7, buf, sizeof(buf)));
ASSERT_EQ(0u, FPDF_GetPageLabel(document(), 8, buf, sizeof(buf)));
}
#ifdef PDF_ENABLE_XFA
TEST_F(FPDFDocEmbeddertest, GetXFALinks) {
EXPECT_TRUE(OpenDocument("simple_xfa.pdf"));
ScopedFPDFPage page(FPDF_LoadPage(document(), 0));
ASSERT_TRUE(page);
FPDFLink_GetLinkAtPoint(page.get(), 150, 360);
FPDFLink_GetLinkAtPoint(page.get(), 150, 420);
// Test passes if it doesn't crash. See https://crbug.com/840922
}
#endif // PDF_ENABLE_XFA