summaryrefslogtreecommitdiff
path: root/fpdfsdk/fpdf_attachment_embeddertest.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'fpdfsdk/fpdf_attachment_embeddertest.cpp')
-rw-r--r--fpdfsdk/fpdf_attachment_embeddertest.cpp260
1 files changed, 260 insertions, 0 deletions
diff --git a/fpdfsdk/fpdf_attachment_embeddertest.cpp b/fpdfsdk/fpdf_attachment_embeddertest.cpp
new file mode 100644
index 0000000000..dd9b5aebf3
--- /dev/null
+++ b/fpdfsdk/fpdf_attachment_embeddertest.cpp
@@ -0,0 +1,260 @@
+// Copyright 2017 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 <string>
+#include <vector>
+
+#include "public/fpdf_attachment.h"
+#include "public/fpdfview.h"
+#include "testing/embedder_test.h"
+
+static constexpr char kDateKey[] = "CreationDate";
+static constexpr char kChecksumKey[] = "CheckSum";
+
+class FPDFAttachmentEmbeddertest : public EmbedderTest {};
+
+TEST_F(FPDFAttachmentEmbeddertest, ExtractAttachments) {
+ // Open a file with two attachments.
+ ASSERT_TRUE(OpenDocument("embedded_attachments.pdf"));
+ EXPECT_EQ(2, FPDFDoc_GetAttachmentCount(document()));
+
+ // Retrieve the first attachment.
+ FPDF_ATTACHMENT attachment = FPDFDoc_GetAttachment(document(), 0);
+ ASSERT_TRUE(attachment);
+
+ // Check that the name of the first attachment is correct.
+ unsigned long len = FPDFAttachment_GetName(attachment, nullptr, 0);
+ std::vector<char> buf(len);
+ EXPECT_EQ(12u, FPDFAttachment_GetName(attachment, buf.data(), len));
+ EXPECT_STREQ(L"1.txt",
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+
+ // Check that the content of the first attachment is correct.
+ len = FPDFAttachment_GetFile(attachment, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ ASSERT_EQ(4u, FPDFAttachment_GetFile(attachment, buf.data(), len));
+ EXPECT_EQ(std::string("test"), std::string(buf.data(), 4));
+
+ // Check that a non-existent key does not exist.
+ EXPECT_FALSE(FPDFAttachment_HasKey(attachment, "none"));
+
+ // Check that the string value of a non-string dictionary entry is empty.
+ static constexpr char kSizeKey[] = "Size";
+ EXPECT_EQ(FPDF_OBJECT_NUMBER,
+ FPDFAttachment_GetValueType(attachment, kSizeKey));
+ EXPECT_EQ(2u,
+ FPDFAttachment_GetStringValue(attachment, kSizeKey, nullptr, 0));
+
+ // Check that the creation date of the first attachment is correct.
+ len = FPDFAttachment_GetStringValue(attachment, kDateKey, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ EXPECT_EQ(48u, FPDFAttachment_GetStringValue(attachment, kDateKey, buf.data(),
+ len));
+ EXPECT_STREQ(L"D:20170712214438-07'00'",
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+
+ // Retrieve the second attachment.
+ attachment = FPDFDoc_GetAttachment(document(), 1);
+ ASSERT_TRUE(attachment);
+
+ // Retrieve the second attachment file.
+ len = FPDFAttachment_GetFile(attachment, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ EXPECT_EQ(5869u, FPDFAttachment_GetFile(attachment, buf.data(), len));
+
+ // Check that the calculated checksum of the file data matches expectation.
+ const char kCheckSum[] = "72afcddedf554dda63c0c88e06f1ce18";
+ const wchar_t kCheckSumW[] = L"<72AFCDDEDF554DDA63C0C88E06F1CE18>";
+ const std::string generated_checksum =
+ GenerateMD5Base16(reinterpret_cast<uint8_t*>(buf.data()), len);
+ EXPECT_EQ(kCheckSum, generated_checksum);
+
+ // Check that the stored checksum matches expectation.
+ len = FPDFAttachment_GetStringValue(attachment, kChecksumKey, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ EXPECT_EQ(70u, FPDFAttachment_GetStringValue(attachment, kChecksumKey,
+ buf.data(), len));
+ EXPECT_EQ(kCheckSumW,
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data())));
+}
+
+TEST_F(FPDFAttachmentEmbeddertest, AddAttachments) {
+ // Open a file with two attachments.
+ ASSERT_TRUE(OpenDocument("embedded_attachments.pdf"));
+ EXPECT_EQ(2, FPDFDoc_GetAttachmentCount(document()));
+
+ // Check that adding an attachment with an empty name would fail.
+ EXPECT_FALSE(FPDFDoc_AddAttachment(document(), nullptr));
+
+ // Add an attachment to the beginning of the embedded file list.
+ std::unique_ptr<unsigned short, pdfium::FreeDeleter> file_name =
+ GetFPDFWideString(L"0.txt");
+ FPDF_ATTACHMENT attachment =
+ FPDFDoc_AddAttachment(document(), file_name.get());
+
+ // Check that writing to a file with nullptr but non-zero bytes would fail.
+ EXPECT_FALSE(FPDFAttachment_SetFile(attachment, document(), nullptr, 10));
+
+ // Set the new attachment's file.
+ constexpr char kContents1[] = "Hello!";
+ EXPECT_TRUE(FPDFAttachment_SetFile(attachment, document(), kContents1,
+ strlen(kContents1)));
+
+ // Verify the name of the new attachment (i.e. the first attachment).
+ attachment = FPDFDoc_GetAttachment(document(), 0);
+ ASSERT_TRUE(attachment);
+ unsigned long len = FPDFAttachment_GetName(attachment, nullptr, 0);
+ std::vector<char> buf(len);
+ EXPECT_EQ(12u, FPDFAttachment_GetName(attachment, buf.data(), len));
+ EXPECT_STREQ(L"0.txt",
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+
+ // Verify the content of the new attachment (i.e. the first attachment).
+ len = FPDFAttachment_GetFile(attachment, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ ASSERT_EQ(6u, FPDFAttachment_GetFile(attachment, buf.data(), len));
+ EXPECT_EQ(std::string(kContents1), std::string(buf.data(), 6));
+
+ // Add an attachment to the end of the embedded file list and set its file.
+ file_name = GetFPDFWideString(L"z.txt");
+ attachment = FPDFDoc_AddAttachment(document(), file_name.get());
+ constexpr char kContents2[] = "World!";
+ EXPECT_TRUE(FPDFAttachment_SetFile(attachment, document(), kContents2,
+ strlen(kContents2)));
+ EXPECT_EQ(4, FPDFDoc_GetAttachmentCount(document()));
+
+ // Verify the name of the new attachment (i.e. the fourth attachment).
+ attachment = FPDFDoc_GetAttachment(document(), 3);
+ ASSERT_TRUE(attachment);
+ len = FPDFAttachment_GetName(attachment, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ EXPECT_EQ(12u, FPDFAttachment_GetName(attachment, buf.data(), len));
+ EXPECT_STREQ(L"z.txt",
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+
+ // Verify the content of the new attachment (i.e. the fourth attachment).
+ len = FPDFAttachment_GetFile(attachment, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ ASSERT_EQ(6u, FPDFAttachment_GetFile(attachment, buf.data(), len));
+ EXPECT_EQ(std::string(kContents2), std::string(buf.data(), 6));
+}
+
+TEST_F(FPDFAttachmentEmbeddertest, AddAttachmentsWithParams) {
+ // Open a file with two attachments.
+ ASSERT_TRUE(OpenDocument("embedded_attachments.pdf"));
+ EXPECT_EQ(2, FPDFDoc_GetAttachmentCount(document()));
+
+ // Add an attachment to the embedded file list.
+ std::unique_ptr<unsigned short, pdfium::FreeDeleter> file_name =
+ GetFPDFWideString(L"5.txt");
+ FPDF_ATTACHMENT attachment =
+ FPDFDoc_AddAttachment(document(), file_name.get());
+ constexpr char kContents[] = "Hello World!";
+ EXPECT_TRUE(FPDFAttachment_SetFile(attachment, document(), kContents,
+ strlen(kContents)));
+
+ // Set the date to be an arbitrary value.
+ constexpr wchar_t kDateW[] = L"D:20170720161527-04'00'";
+ std::unique_ptr<unsigned short, pdfium::FreeDeleter> ws_date =
+ GetFPDFWideString(kDateW);
+ EXPECT_TRUE(
+ FPDFAttachment_SetStringValue(attachment, kDateKey, ws_date.get()));
+
+ // Set the checksum to be an arbitrary value.
+ constexpr wchar_t kCheckSumW[] = L"<ABCDEF01234567899876543210FEDCBA>";
+ std::unique_ptr<unsigned short, pdfium::FreeDeleter> ws_checksum =
+ GetFPDFWideString(kCheckSumW);
+ EXPECT_TRUE(FPDFAttachment_SetStringValue(attachment, kChecksumKey,
+ ws_checksum.get()));
+
+ // Verify the name of the new attachment (i.e. the second attachment).
+ attachment = FPDFDoc_GetAttachment(document(), 1);
+ ASSERT_TRUE(attachment);
+ unsigned long len = FPDFAttachment_GetName(attachment, nullptr, 0);
+ std::vector<char> buf(len);
+ EXPECT_EQ(12u, FPDFAttachment_GetName(attachment, buf.data(), len));
+ EXPECT_STREQ(L"5.txt",
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+
+ // Verify the content of the new attachment.
+ len = FPDFAttachment_GetFile(attachment, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ ASSERT_EQ(12u, FPDFAttachment_GetFile(attachment, buf.data(), len));
+ EXPECT_EQ(std::string(kContents), std::string(buf.data(), 12));
+
+ // Verify the creation date of the new attachment.
+ len = FPDFAttachment_GetStringValue(attachment, kDateKey, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ EXPECT_EQ(48u, FPDFAttachment_GetStringValue(attachment, kDateKey, buf.data(),
+ len));
+ EXPECT_STREQ(kDateW,
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+
+ // Verify the checksum of the new attachment.
+ len = FPDFAttachment_GetStringValue(attachment, kChecksumKey, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ EXPECT_EQ(70u, FPDFAttachment_GetStringValue(attachment, kChecksumKey,
+ buf.data(), len));
+ EXPECT_STREQ(kCheckSumW,
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+
+ // Overwrite the existing file with empty content, and check that the checksum
+ // gets updated to the correct value.
+ EXPECT_TRUE(FPDFAttachment_SetFile(attachment, document(), nullptr, 0));
+ EXPECT_EQ(0u, FPDFAttachment_GetFile(attachment, nullptr, 0));
+ len = FPDFAttachment_GetStringValue(attachment, kChecksumKey, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ EXPECT_EQ(70u, FPDFAttachment_GetStringValue(attachment, kChecksumKey,
+ buf.data(), len));
+ EXPECT_EQ(L"<D41D8CD98F00B204E9800998ECF8427E>",
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data())));
+}
+
+TEST_F(FPDFAttachmentEmbeddertest, DeleteAttachment) {
+ // Open a file with two attachments.
+ ASSERT_TRUE(OpenDocument("embedded_attachments.pdf"));
+ EXPECT_EQ(2, FPDFDoc_GetAttachmentCount(document()));
+
+ // Verify the name of the first attachment.
+ FPDF_ATTACHMENT attachment = FPDFDoc_GetAttachment(document(), 0);
+ unsigned long len = FPDFAttachment_GetName(attachment, nullptr, 0);
+ std::vector<char> buf(len);
+ EXPECT_EQ(12u, FPDFAttachment_GetName(attachment, buf.data(), len));
+ EXPECT_STREQ(L"1.txt",
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+
+ // Delete the first attachment.
+ EXPECT_TRUE(FPDFDoc_DeleteAttachment(document(), 0));
+ EXPECT_EQ(1, FPDFDoc_GetAttachmentCount(document()));
+
+ // Verify the name of the new first attachment.
+ attachment = FPDFDoc_GetAttachment(document(), 0);
+ len = FPDFAttachment_GetName(attachment, nullptr, 0);
+ buf.clear();
+ buf.resize(len);
+ EXPECT_EQ(26u, FPDFAttachment_GetName(attachment, buf.data(), len));
+ EXPECT_STREQ(L"attached.pdf",
+ GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))
+ .c_str());
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 15:06:16 +0000