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// Copyright 2019 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "core/fxcrt/fx_memory.h"
#include "public/fpdf_javascript.h"
#include "public/fpdfview.h"
#include "testing/embedder_test.h"
#include "testing/fx_string_testhelpers.h"
#include "testing/utils/hash.h"
class FPDFJavaScriptEmbedderTest : public EmbedderTest {};
TEST_F(FPDFJavaScriptEmbedderTest, CountJS) {
// Open a file with JS.
ASSERT_TRUE(OpenDocument("bug_679649.pdf"));
EXPECT_EQ(1, FPDFDoc_GetJavaScriptActionCount(document()));
}
TEST_F(FPDFJavaScriptEmbedderTest, CountNoJS) {
// Open a file without JS.
ASSERT_TRUE(OpenDocument("hello_world.pdf"));
EXPECT_EQ(0, FPDFDoc_GetJavaScriptActionCount(document()));
// Provide no document.
EXPECT_EQ(-1, FPDFDoc_GetJavaScriptActionCount(nullptr));
}
TEST_F(FPDFJavaScriptEmbedderTest, GetJS) {
ASSERT_TRUE(OpenDocument("js.pdf"));
EXPECT_EQ(5, FPDFDoc_GetJavaScriptActionCount(document()));
ScopedFPDFJavaScriptAction js;
js.reset(FPDFDoc_GetJavaScriptAction(document(), -1));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(document(), 5));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(nullptr, -1));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(nullptr, 0));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(nullptr, 1));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(nullptr, 2));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(nullptr, 5));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(document(), 0));
EXPECT_TRUE(js);
js.reset(FPDFDoc_GetJavaScriptAction(document(), 1));
EXPECT_TRUE(js);
js.reset(FPDFDoc_GetJavaScriptAction(document(), 2));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(document(), 3));
EXPECT_FALSE(js);
js.reset(FPDFDoc_GetJavaScriptAction(document(), 4));
EXPECT_FALSE(js);
}
TEST_F(FPDFJavaScriptEmbedderTest, GetJSName) {
ASSERT_TRUE(OpenDocument("bug_679649.pdf"));
ScopedFPDFJavaScriptAction js(FPDFDoc_GetJavaScriptAction(document(), 0));
ASSERT_TRUE(js);
{
FPDF_WCHAR buf[10];
EXPECT_EQ(0u, FPDFJavaScriptAction_GetName(nullptr, nullptr, 0));
EXPECT_EQ(0u, FPDFJavaScriptAction_GetName(nullptr, buf, 0));
EXPECT_EQ(0u, FPDFJavaScriptAction_GetName(nullptr, buf, sizeof(buf)));
}
constexpr size_t kExpectedLength = 22;
ASSERT_EQ(kExpectedLength,
FPDFJavaScriptAction_GetName(js.get(), nullptr, 0));
// Check that the name not returned if the buffer is too small.
// The result buffer should be overwritten with an empty string.
std::vector<FPDF_WCHAR> buf = GetFPDFWideStringBuffer(kExpectedLength);
// Write in the buffer to verify it's not overwritten.
memcpy(buf.data(), "abcdefgh", 8);
EXPECT_EQ(kExpectedLength, FPDFJavaScriptAction_GetName(js.get(), buf.data(),
kExpectedLength - 1));
EXPECT_EQ(0, memcmp(buf.data(), "abcdefgh", 8));
EXPECT_EQ(kExpectedLength, FPDFJavaScriptAction_GetName(js.get(), buf.data(),
kExpectedLength));
EXPECT_EQ(L"startDelay", GetPlatformWString(buf.data()));
}
TEST_F(FPDFJavaScriptEmbedderTest, GetJSScript) {
ASSERT_TRUE(OpenDocument("bug_679649.pdf"));
ScopedFPDFJavaScriptAction js(FPDFDoc_GetJavaScriptAction(document(), 0));
ASSERT_TRUE(js);
{
FPDF_WCHAR buf[10];
EXPECT_EQ(0u, FPDFJavaScriptAction_GetScript(nullptr, nullptr, 0));
EXPECT_EQ(0u, FPDFJavaScriptAction_GetScript(nullptr, buf, 0));
EXPECT_EQ(0u, FPDFJavaScriptAction_GetScript(nullptr, buf, sizeof(buf)));
}
constexpr size_t kExpectedLength = 218;
ASSERT_EQ(kExpectedLength,
FPDFJavaScriptAction_GetScript(js.get(), nullptr, 0));
// Check that the string value of an AP is not returned if the buffer is too
// small. The result buffer should be overwritten with an empty string.
std::vector<FPDF_WCHAR> buf = GetFPDFWideStringBuffer(kExpectedLength);
// Write in the buffer to verify it's not overwritten.
memcpy(buf.data(), "abcdefgh", 8);
EXPECT_EQ(kExpectedLength, FPDFJavaScriptAction_GetScript(
js.get(), buf.data(), kExpectedLength - 1));
EXPECT_EQ(0, memcmp(buf.data(), "abcdefgh", 8));
static const wchar_t kExpectedScript[] =
L"function ping() {\n app.alert(\"ping\");\n}\n"
L"var timer = app.setTimeOut(\"ping()\", 100);\napp.clearTimeOut(timer);";
EXPECT_EQ(kExpectedLength, FPDFJavaScriptAction_GetScript(
js.get(), buf.data(), kExpectedLength));
EXPECT_EQ(kExpectedScript, GetPlatformWString(buf.data()));
}