Jane Liu | 53aafa9 | 2017-07-12 19:55:02 -0400 | [diff] [blame] | 1 | // Copyright 2017 PDFium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "public/fpdf_attachment.h" |
Jane Liu | 18ae06d | 2017-07-18 10:15:16 -0400 | [diff] [blame^] | 6 | #include "public/fpdfview.h" |
Jane Liu | 53aafa9 | 2017-07-12 19:55:02 -0400 | [diff] [blame] | 7 | #include "testing/embedder_test.h" |
| 8 | |
| 9 | class FPDFAttachmentEmbeddertest : public EmbedderTest {}; |
| 10 | |
| 11 | TEST_F(FPDFAttachmentEmbeddertest, ExtractAttachments) { |
| 12 | // Open a file with two attachments. |
| 13 | ASSERT_TRUE(OpenDocument("embedded_attachments.pdf")); |
| 14 | EXPECT_EQ(2, FPDFDoc_GetAttachmentCount(document())); |
| 15 | |
Jane Liu | 18ae06d | 2017-07-18 10:15:16 -0400 | [diff] [blame^] | 16 | // Retrieve the first attachment. |
| 17 | FPDF_ATTACHMENT attachment = FPDFDoc_GetAttachment(document(), 0); |
| 18 | ASSERT_TRUE(attachment); |
| 19 | |
Jane Liu | 53aafa9 | 2017-07-12 19:55:02 -0400 | [diff] [blame] | 20 | // Check that the name of the first attachment is correct. |
Jane Liu | 18ae06d | 2017-07-18 10:15:16 -0400 | [diff] [blame^] | 21 | unsigned long len = FPDFAttachment_GetName(attachment, nullptr, 0); |
Jane Liu | 53aafa9 | 2017-07-12 19:55:02 -0400 | [diff] [blame] | 22 | std::vector<char> buf(len); |
Jane Liu | 18ae06d | 2017-07-18 10:15:16 -0400 | [diff] [blame^] | 23 | EXPECT_EQ(12u, FPDFAttachment_GetName(attachment, buf.data(), len)); |
Jane Liu | 53aafa9 | 2017-07-12 19:55:02 -0400 | [diff] [blame] | 24 | EXPECT_STREQ(L"1.txt", |
| 25 | GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data())) |
| 26 | .c_str()); |
Jane Liu | 18ae06d | 2017-07-18 10:15:16 -0400 | [diff] [blame^] | 27 | |
| 28 | // Check that the content of the first attachment is correct. |
| 29 | len = FPDFAttachment_GetFile(attachment, nullptr, 0); |
| 30 | buf.clear(); |
| 31 | buf.resize(len); |
| 32 | ASSERT_EQ(4u, FPDFAttachment_GetFile(attachment, buf.data(), len)); |
| 33 | EXPECT_EQ(std::string("test"), std::string(buf.data(), 4)); |
| 34 | |
| 35 | // Check that a non-existent key does not exist. |
| 36 | EXPECT_FALSE( |
| 37 | FPDFAttachment_HasKey(attachment, GetFPDFWideString(L"none").get())); |
| 38 | |
| 39 | // Check that the string value of a non-string dictionary entry is empty. |
| 40 | std::unique_ptr<unsigned short, pdfium::FreeDeleter> size_key = |
| 41 | GetFPDFWideString(L"Size"); |
| 42 | EXPECT_EQ(FPDF_OBJECT_NUMBER, |
| 43 | FPDFAttachment_GetValueType(attachment, size_key.get())); |
| 44 | EXPECT_EQ(2u, FPDFAttachment_GetStringValue(attachment, size_key.get(), |
| 45 | nullptr, 0)); |
| 46 | |
| 47 | // Check that the creation date of the first attachment is correct. |
| 48 | std::unique_ptr<unsigned short, pdfium::FreeDeleter> date_key = |
| 49 | GetFPDFWideString(L"CreationDate"); |
| 50 | len = FPDFAttachment_GetStringValue(attachment, date_key.get(), nullptr, 0); |
| 51 | buf.clear(); |
| 52 | buf.resize(len); |
| 53 | EXPECT_EQ(48u, FPDFAttachment_GetStringValue(attachment, date_key.get(), |
| 54 | buf.data(), len)); |
| 55 | EXPECT_STREQ(L"D:20170712214438-07'00'", |
| 56 | GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data())) |
| 57 | .c_str()); |
| 58 | |
| 59 | // Retrieve the second attachment. |
| 60 | attachment = FPDFDoc_GetAttachment(document(), 1); |
| 61 | ASSERT_TRUE(attachment); |
| 62 | |
| 63 | // Retrieve the second attachment file. |
| 64 | len = FPDFAttachment_GetFile(attachment, nullptr, 0); |
| 65 | buf.clear(); |
| 66 | buf.resize(len); |
| 67 | EXPECT_EQ(5869u, FPDFAttachment_GetFile(attachment, buf.data(), len)); |
| 68 | |
| 69 | // Check that the calculated checksum of the file data matches expectation. |
| 70 | const char kCheckSum[] = "72afcddedf554dda63c0c88e06f1ce18"; |
| 71 | const wchar_t kCheckSumW[] = L"<72AFCDDEDF554DDA63C0C88E06F1CE18>"; |
| 72 | const std::string generated_checksum = |
| 73 | GenerateMD5Base16(reinterpret_cast<uint8_t*>(buf.data()), len); |
| 74 | EXPECT_EQ(kCheckSum, generated_checksum); |
| 75 | |
| 76 | // Check that the stored checksum matches expectation. |
| 77 | std::unique_ptr<unsigned short, pdfium::FreeDeleter> checksum_key = |
| 78 | GetFPDFWideString(L"CheckSum"); |
| 79 | len = |
| 80 | FPDFAttachment_GetStringValue(attachment, checksum_key.get(), nullptr, 0); |
| 81 | buf.clear(); |
| 82 | buf.resize(len); |
| 83 | EXPECT_EQ(70u, FPDFAttachment_GetStringValue(attachment, checksum_key.get(), |
| 84 | buf.data(), len)); |
| 85 | EXPECT_EQ(kCheckSumW, |
| 86 | GetPlatformWString(reinterpret_cast<unsigned short*>(buf.data()))); |
Jane Liu | 53aafa9 | 2017-07-12 19:55:02 -0400 | [diff] [blame] | 87 | } |