Rename fpdfsdk/fpdf* files to be consistent

This CL makes the fpdfsdk/fpdf* files to be consistently prefixed with
fpdf_ instead of randomly dropping the _.

Change-Id: I23e3c8a0831b56bcd17c788d9fe874b2ab8b24fc
Reviewed-on: https://pdfium-review.googlesource.com/29390
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>

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());
+}