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116 lines
3.5 KiB
116 lines
3.5 KiB
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/base64url.h"
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#include "base/macros.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace base {
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namespace {
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TEST(Base64UrlTest, EncodeIncludePaddingPolicy) {
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std::string output;
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Base64UrlEncode("hello?world", Base64UrlEncodePolicy::INCLUDE_PADDING,
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&output);
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// Base64 version: aGVsbG8/d29ybGQ=
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EXPECT_EQ("aGVsbG8_d29ybGQ=", output);
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// Test for behavior for very short and empty strings.
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Base64UrlEncode("??", Base64UrlEncodePolicy::INCLUDE_PADDING, &output);
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EXPECT_EQ("Pz8=", output);
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Base64UrlEncode("", Base64UrlEncodePolicy::INCLUDE_PADDING, &output);
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EXPECT_EQ("", output);
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}
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TEST(Base64UrlTest, EncodeOmitPaddingPolicy) {
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std::string output;
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Base64UrlEncode("hello?world", Base64UrlEncodePolicy::OMIT_PADDING, &output);
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// base64 version: aGVsbG8/d29ybGQ=
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EXPECT_EQ("aGVsbG8_d29ybGQ", output);
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// Test for behavior for very short and empty strings.
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Base64UrlEncode("??", Base64UrlEncodePolicy::OMIT_PADDING, &output);
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EXPECT_EQ("Pz8", output);
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Base64UrlEncode("", Base64UrlEncodePolicy::OMIT_PADDING, &output);
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EXPECT_EQ("", output);
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}
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TEST(Base64UrlTest, DecodeRequirePaddingPolicy) {
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std::string output;
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ASSERT_TRUE(Base64UrlDecode("aGVsbG8_d29ybGQ=",
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Base64UrlDecodePolicy::REQUIRE_PADDING, &output));
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EXPECT_EQ("hello?world", output);
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ASSERT_FALSE(Base64UrlDecode(
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"aGVsbG8_d29ybGQ", Base64UrlDecodePolicy::REQUIRE_PADDING, &output));
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// Test for behavior for very short and empty strings.
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ASSERT_TRUE(
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Base64UrlDecode("Pz8=", Base64UrlDecodePolicy::REQUIRE_PADDING, &output));
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EXPECT_EQ("??", output);
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ASSERT_TRUE(
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Base64UrlDecode("", Base64UrlDecodePolicy::REQUIRE_PADDING, &output));
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EXPECT_EQ("", output);
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}
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TEST(Base64UrlTest, DecodeIgnorePaddingPolicy) {
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std::string output;
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ASSERT_TRUE(Base64UrlDecode("aGVsbG8_d29ybGQ",
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Base64UrlDecodePolicy::IGNORE_PADDING, &output));
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EXPECT_EQ("hello?world", output);
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// Including the padding is accepted as well.
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ASSERT_TRUE(Base64UrlDecode("aGVsbG8_d29ybGQ=",
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Base64UrlDecodePolicy::IGNORE_PADDING, &output));
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EXPECT_EQ("hello?world", output);
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}
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TEST(Base64UrlTest, DecodeDisallowPaddingPolicy) {
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std::string output;
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ASSERT_FALSE(Base64UrlDecode(
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"aGVsbG8_d29ybGQ=", Base64UrlDecodePolicy::DISALLOW_PADDING, &output));
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// The policy will allow the input when padding has been omitted.
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ASSERT_TRUE(Base64UrlDecode(
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"aGVsbG8_d29ybGQ", Base64UrlDecodePolicy::DISALLOW_PADDING, &output));
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EXPECT_EQ("hello?world", output);
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}
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TEST(Base64UrlTest, DecodeDisallowsBase64Alphabet) {
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std::string output;
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// The "/" character is part of the conventional base64 alphabet, but has been
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// substituted with "_" in the base64url alphabet.
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ASSERT_FALSE(Base64UrlDecode(
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"aGVsbG8/d29ybGQ=", Base64UrlDecodePolicy::REQUIRE_PADDING, &output));
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}
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TEST(Base64UrlTest, DecodeDisallowsPaddingOnly) {
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std::string output;
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ASSERT_FALSE(Base64UrlDecode(
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"=", Base64UrlDecodePolicy::IGNORE_PADDING, &output));
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ASSERT_FALSE(Base64UrlDecode(
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"==", Base64UrlDecodePolicy::IGNORE_PADDING, &output));
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ASSERT_FALSE(Base64UrlDecode(
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"===", Base64UrlDecodePolicy::IGNORE_PADDING, &output));
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ASSERT_FALSE(Base64UrlDecode(
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"====", Base64UrlDecodePolicy::IGNORE_PADDING, &output));
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}
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} // namespace
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} // namespace base
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