// Copyright (c) 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 "embedder_test.h" #include <limits.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <list> #include <string> #include <utility> #include <vector> #include "../public/fpdf_text.h" #include "../public/fpdfview.h" #include "testing/gmock/include/gmock/gmock.h" #include "v8/include/libplatform/libplatform.h" #include "v8/include/v8.h" #ifdef _WIN32 #define snprintf _snprintf #define PATH_SEPARATOR '\\' #else #define PATH_SEPARATOR '/' #endif namespace { const char* g_exe_path_ = nullptr; // Reads the entire contents of a file into a newly malloc'd buffer. static char* GetFileContents(const char* filename, size_t* retlen) { FILE* file = fopen(filename, "rb"); if (!file) { fprintf(stderr, "Failed to open: %s\n", filename); return nullptr; } (void)fseek(file, 0, SEEK_END); size_t file_length = ftell(file); if (!file_length) { return nullptr; } (void)fseek(file, 0, SEEK_SET); char* buffer = (char*)malloc(file_length); if (!buffer) { return nullptr; } size_t bytes_read = fread(buffer, 1, file_length, file); (void)fclose(file); if (bytes_read != file_length) { fprintf(stderr, "Failed to read: %s\n", filename); free(buffer); return nullptr; } *retlen = bytes_read; return buffer; } #ifdef V8_USE_EXTERNAL_STARTUP_DATA // Returns the full path for an external V8 data file based on either // the currect exectuable path or an explicit override. static std::string GetFullPathForSnapshotFile(const std::string& exe_path, const std::string& filename) { std::string result; if (!exe_path.empty()) { size_t last_separator = exe_path.rfind(PATH_SEPARATOR); if (last_separator != std::string::npos) { result = exe_path.substr(0, last_separator + 1); } } result += filename; return result; } // Reads an extenal V8 data file from the |options|-indicated location, // returing true on success and false on error. static bool GetExternalData(const std::string& exe_path, const std::string& filename, v8::StartupData* result_data) { std::string full_path = GetFullPathForSnapshotFile(exe_path, filename); size_t data_length = 0; char* data_buffer = GetFileContents(full_path.c_str(), &data_length); if (!data_buffer) { return false; } result_data->data = const_cast<const char*>(data_buffer); result_data->raw_size = data_length; return true; } #endif // V8_USE_EXTERNAL_STARTUP_DATA } // namespace class TestLoader { public: TestLoader(const char* pBuf, size_t len); const char* m_pBuf; size_t m_Len; }; TestLoader::TestLoader(const char* pBuf, size_t len) : m_pBuf(pBuf), m_Len(len) {} int Get_Block(void* param, unsigned long pos, unsigned char* pBuf, unsigned long size) { TestLoader* pLoader = (TestLoader*)param; if (pos + size < pos || pos + size > pLoader->m_Len) return 0; memcpy(pBuf, pLoader->m_pBuf + pos, size); return 1; } FPDF_BOOL Is_Data_Avail(FX_FILEAVAIL* pThis, size_t offset, size_t size) { return true; } void Add_Segment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {} EmbedderTest::EmbedderTest() : document_(nullptr), form_handle_(nullptr), avail_(nullptr), loader_(nullptr), file_length_(0), file_contents_(nullptr) { memset(&hints_, 0, sizeof(hints_)); memset(&file_access_, 0, sizeof(file_access_)); memset(&file_avail_, 0, sizeof(file_avail_)); default_delegate_ = new EmbedderTest::Delegate(); delegate_ = default_delegate_; } EmbedderTest::~EmbedderTest() { delete default_delegate_; } void EmbedderTest::SetUp() { v8::V8::InitializeICU(); platform_ = v8::platform::CreateDefaultPlatform(); v8::V8::InitializePlatform(platform_); v8::V8::Initialize(); // By enabling predictable mode, V8 won't post any background tasks. const char predictable_flag[] = "--predictable"; v8::V8::SetFlagsFromString(predictable_flag, static_cast<int>(strlen(predictable_flag))); #ifdef V8_USE_EXTERNAL_STARTUP_DATA ASSERT_TRUE(GetExternalData(g_exe_path_, "natives_blob.bin", &natives_)); ASSERT_TRUE(GetExternalData(g_exe_path_, "snapshot_blob.bin", &snapshot_)); v8::V8::SetNativesDataBlob(&natives_); v8::V8::SetSnapshotDataBlob(&snapshot_); #endif // V8_USE_EXTERNAL_STARTUP_DATA FPDF_InitLibrary(); UNSUPPORT_INFO* info = static_cast<UNSUPPORT_INFO*>(this); memset(info, 0, sizeof(UNSUPPORT_INFO)); info->version = 1; info->FSDK_UnSupport_Handler = UnsupportedHandlerTrampoline; FSDK_SetUnSpObjProcessHandler(info); } void EmbedderTest::TearDown() { if (document_) { FORM_DoDocumentAAction(form_handle_, FPDFDOC_AACTION_WC); // Note: The shut down order here is the reverse of the non-XFA branch // order. Need to work out if this is required, and if it is, the lifetimes // of objects owned by |doc| that |form| reference. FPDF_CloseDocument(document_); FPDFDOC_ExitFormFillEnvironment(form_handle_); } FPDFAvail_Destroy(avail_); FPDF_DestroyLibrary(); v8::V8::ShutdownPlatform(); delete platform_; delete loader_; free(file_contents_); } bool EmbedderTest::OpenDocument(const std::string& filename) { file_contents_ = GetFileContents(filename.c_str(), &file_length_); if (!file_contents_) { return false; } loader_ = new TestLoader(file_contents_, file_length_); file_access_.m_FileLen = static_cast<unsigned long>(file_length_); file_access_.m_GetBlock = Get_Block; file_access_.m_Param = loader_; file_avail_.version = 1; file_avail_.IsDataAvail = Is_Data_Avail; hints_.version = 1; hints_.AddSegment = Add_Segment; avail_ = FPDFAvail_Create(&file_avail_, &file_access_); (void)FPDFAvail_IsDocAvail(avail_, &hints_); if (!FPDFAvail_IsLinearized(avail_)) { document_ = FPDF_LoadCustomDocument(&file_access_, nullptr); } else { document_ = FPDFAvail_GetDocument(avail_, nullptr); } if (!document_) { return false; } int docType = DOCTYPE_PDF; if (FPDF_HasXFAField(document_, &docType)) { if (docType != DOCTYPE_PDF) (void)FPDF_LoadXFA(document_); } (void)FPDF_GetDocPermissions(document_); (void)FPDFAvail_IsFormAvail(avail_, &hints_); IPDF_JSPLATFORM* platform = static_cast<IPDF_JSPLATFORM*>(this); memset(platform, 0, sizeof(IPDF_JSPLATFORM)); platform->version = 2; platform->app_alert = AlertTrampoline; FPDF_FORMFILLINFO* formfillinfo = static_cast<FPDF_FORMFILLINFO*>(this); memset(formfillinfo, 0, sizeof(FPDF_FORMFILLINFO)); formfillinfo->version = 1; formfillinfo->FFI_SetTimer = SetTimerTrampoline; formfillinfo->FFI_KillTimer = KillTimerTrampoline; formfillinfo->FFI_GetPage = GetPageTrampoline; formfillinfo->m_pJsPlatform = platform; form_handle_ = FPDFDOC_InitFormFillEnvironment(document_, formfillinfo); FPDF_SetFormFieldHighlightColor(form_handle_, 0, 0xFFE4DD); FPDF_SetFormFieldHighlightAlpha(form_handle_, 100); return true; } void EmbedderTest::DoOpenActions() { FORM_DoDocumentJSAction(form_handle_); FORM_DoDocumentOpenAction(form_handle_); } int EmbedderTest::GetFirstPageNum() { int first_page = FPDFAvail_GetFirstPageNum(document_); (void)FPDFAvail_IsPageAvail(avail_, first_page, &hints_); return first_page; } int EmbedderTest::GetPageCount() { int page_count = FPDF_GetPageCount(document_); for (int i = 0; i < page_count; ++i) { (void)FPDFAvail_IsPageAvail(avail_, i, &hints_); } return page_count; } FPDF_PAGE EmbedderTest::LoadPage(int page_number) { FPDF_PAGE page = FPDF_LoadPage(document_, page_number); if (!page) { return nullptr; } FORM_OnAfterLoadPage(page, form_handle_); FORM_DoPageAAction(page, form_handle_, FPDFPAGE_AACTION_OPEN); return page; } FPDF_PAGE EmbedderTest::LoadAndCachePage(int page_number) { FPDF_PAGE page = delegate_->GetPage(form_handle_, document_, page_number); if (!page) { return nullptr; } FORM_DoPageAAction(page, form_handle_, FPDFPAGE_AACTION_OPEN); return page; } FPDF_BITMAP EmbedderTest::RenderPage(FPDF_PAGE page) { int width = static_cast<int>(FPDF_GetPageWidth(page)); int height = static_cast<int>(FPDF_GetPageHeight(page)); FPDF_BITMAP bitmap = FPDFBitmap_Create(width, height, 0); FPDFBitmap_FillRect(bitmap, 0, 0, width, height, 0xFFFFFFFF); FPDF_RenderPageBitmap(bitmap, page, 0, 0, width, height, 0, 0); FPDF_FFLDraw(form_handle_, bitmap, page, 0, 0, width, height, 0, 0); return bitmap; } void EmbedderTest::UnloadPage(FPDF_PAGE page) { FORM_DoPageAAction(page, form_handle_, FPDFPAGE_AACTION_CLOSE); FORM_OnBeforeClosePage(page, form_handle_); FPDF_ClosePage(page); } FPDF_PAGE EmbedderTest::Delegate::GetPage(FPDF_FORMHANDLE form_handle, FPDF_DOCUMENT document, int page_index) { auto it = m_pageMap.find(page_index); if (it != m_pageMap.end()) { return it->second; } FPDF_PAGE page = FPDF_LoadPage(document, page_index); if (!page) { return nullptr; } m_pageMap[page_index] = page; FORM_OnAfterLoadPage(page, form_handle); return page; } // static void EmbedderTest::UnsupportedHandlerTrampoline(UNSUPPORT_INFO* info, int type) { EmbedderTest* test = static_cast<EmbedderTest*>(info); test->delegate_->UnsupportedHandler(type); } // static int EmbedderTest::AlertTrampoline(IPDF_JSPLATFORM* platform, FPDF_WIDESTRING message, FPDF_WIDESTRING title, int type, int icon) { EmbedderTest* test = static_cast<EmbedderTest*>(platform); return test->delegate_->Alert(message, title, type, icon); } // static int EmbedderTest::SetTimerTrampoline(FPDF_FORMFILLINFO* info, int msecs, TimerCallback fn) { EmbedderTest* test = static_cast<EmbedderTest*>(info); return test->delegate_->SetTimer(msecs, fn); } // static void EmbedderTest::KillTimerTrampoline(FPDF_FORMFILLINFO* info, int id) { EmbedderTest* test = static_cast<EmbedderTest*>(info); return test->delegate_->KillTimer(id); } // static FPDF_PAGE EmbedderTest::GetPageTrampoline(FPDF_FORMFILLINFO* info, FPDF_DOCUMENT document, int page_index) { EmbedderTest* test = static_cast<EmbedderTest*>(info); return test->delegate_->GetPage(test->form_handle(), document, page_index); } // Can't use gtest-provided main since we need to stash the path to the // executable in order to find the external V8 binary data files. int main(int argc, char** argv) { g_exe_path_ = argv[0]; testing::InitGoogleTest(&argc, argv); testing::InitGoogleMock(&argc, argv); return RUN_ALL_TESTS(); }