[Experimental Framework] Move the trial token public key out of content and into the embedder.

content/renderer/origin_trials/trial_token_unittest.cc

 // Copyright 2015 The Chromium 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 "content/renderer/origin_trials/trial_token.h"
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
 #include "base/test/simple_test_clock.h"
 #include "base/time/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 namespace {
 
 // This is a sample public key for testing the API. The corresponding private
 // key (use this to generate new samples for this test file) is:
 //
 //  0x83, 0x67, 0xf4, 0xcd, 0x2a, 0x1f, 0x0e, 0x04, 0x0d, 0x43, 0x13,
 //  0x4c, 0x67, 0xc4, 0xf4, 0x28, 0xc9, 0x90, 0x15, 0x02, 0xe2, 0xba,
 //  0xfd, 0xbb, 0xfa, 0xbc, 0x92, 0x76, 0x8a, 0x2c, 0x4b, 0xc7, 0x75,
 //  0x10, 0xac, 0xf9, 0x3a, 0x1c, 0xb8, 0xa9, 0x28, 0x70, 0xd2, 0x9a,
 //  0xd0, 0x0b, 0x59, 0xe1, 0xac, 0x2b, 0xb7, 0xd5, 0xca, 0x1f, 0x64,
 //  0x90, 0x08, 0x8e, 0xa8, 0xe0, 0x56, 0x3a, 0x04, 0xd0
 const uint8_t kTestPublicKey[] = {
     0x75, 0x10, 0xac, 0xf9, 0x3a, 0x1c, 0xb8, 0xa9, 0x28, 0x70, 0xd2,
     0x9a, 0xd0, 0x0b, 0x59, 0xe1, 0xac, 0x2b, 0xb7, 0xd5, 0xca, 0x1f,
     0x64, 0x90, 0x08, 0x8e, 0xa8, 0xe0, 0x56, 0x3a, 0x04, 0xd0,
 };
 
+// This is a valid, but incorrect, public key for testing signatures against.
+// The corresponding private key is:
+//
+//  0x21, 0xee, 0xfa, 0x81, 0x6a, 0xff, 0xdf, 0xb8, 0xc1, 0xdd, 0x75,
+//  0x05, 0x04, 0x29, 0x68, 0x67, 0x60, 0x85, 0x91, 0xd0, 0x50, 0x16,
+//  0x0a, 0xcf, 0xa2, 0x37, 0xa3, 0x2e, 0x11, 0x7a, 0x17, 0x96, 0x50,
+//  0x07, 0x4d, 0x76, 0x55, 0x56, 0x42, 0x17, 0x2d, 0x8a, 0x9c, 0x47,
+//  0x96, 0x25, 0xda, 0x70, 0xaa, 0xb9, 0xfd, 0x53, 0x5d, 0x51, 0x3e,
+//  0x16, 0xab, 0xb4, 0x86, 0xea, 0xf3, 0x35, 0xc6, 0xca
+const uint8_t kTestPublicKey2[] = {
+    0x50, 0x07, 0x4d, 0x76, 0x55, 0x56, 0x42, 0x17, 0x2d, 0x8a, 0x9c,
+    0x47, 0x96, 0x25, 0xda, 0x70, 0xaa, 0xb9, 0xfd, 0x53, 0x5d, 0x51,
+    0x3e, 0x16, 0xab, 0xb4, 0x86, 0xea, 0xf3, 0x35, 0xc6, 0xca,
+};
+
 // This is a good trial token, signed with the above test private key.
 const char* kSampleToken =
     "UsEO0cNxoUtBnHDJdGPWTlXuLENjXcEIPL7Bs7sbvicPCcvAtyqhQuTJ9h/u1R3VZpWigtI+S"
     "dUwk7Dyk/qbDw==|https://valid.example.com|Frobulate|1458766277";
 const char* kExpectedSignature =
     "UsEO0cNxoUtBnHDJdGPWTlXuLENjXcEIPL7Bs7sbvicPCcvAtyqhQuTJ9h/u1R3VZpWigtI+S"
     "dUwk7Dyk/qbDw==";
 const char* kExpectedData = "https://valid.example.com|Frobulate|1458766277";
 const char* kExpectedFeatureName = "Frobulate";
 const char* kExpectedOrigin = "https://valid.example.com";
@@ skipping 37 matching lines @@
     "Signature|abcdef|FeatureName|1458766277",
     "Signature|data:text/plain,abcdef|FeatureName|1458766277",
     "Signature|javascript:alert(1)|FeatureName|1458766277"};
 const size_t kNumInvalidTokens = arraysize(kInvalidTokens);
 
 }  // namespace
 
 class TrialTokenTest : public testing::Test {
  public:
   TrialTokenTest()
-      : public_key_(
+      : correct_public_key_(
             base::StringPiece(reinterpret_cast<const char*>(kTestPublicKey),
-                              arraysize(kTestPublicKey))) {}
+                              arraysize(kTestPublicKey))),
+        incorrect_public_key_(
+            base::StringPiece(reinterpret_cast<const char*>(kTestPublicKey2),
+                              arraysize(kTestPublicKey2))) {}
 
  protected:
   bool ValidateOrigin(TrialToken* token, const char* origin) {
     return token->ValidateOrigin(origin);
   }
 
   bool ValidateFeatureName(TrialToken* token, const char* feature_name) {
     return token->ValidateFeatureName(feature_name);
   }
 
   bool ValidateDate(TrialToken* token, const base::Time& now) {
     return token->ValidateDate(now);
   }
 
   bool ValidateSignature(TrialToken* token,
                          const base::StringPiece& public_key) {
     return token->ValidateSignature(public_key);
   }
 
-  const base::StringPiece& public_key() { return public_key_; };
+  const base::StringPiece& correct_public_key() { return correct_public_key_; }
+  const base::StringPiece& incorrect_public_key() {
+    return incorrect_public_key_;
+  }
 
  private:
-  base::StringPiece public_key_;
+  base::StringPiece correct_public_key_;
+  base::StringPiece incorrect_public_key_;
 };
 
 TEST_F(TrialTokenTest, ParseEmptyString) {
   scoped_ptr<TrialToken> empty_token = TrialToken::Parse("");
   EXPECT_FALSE(empty_token);
 }
 
 TEST_F(TrialTokenTest, ParseInvalidStrings) {
   for (size_t i = 0; i < kNumInvalidTokens; ++i) {
     scoped_ptr<TrialToken> empty_token = TrialToken::Parse(kInvalidTokens[i]);
@@ skipping 35 matching lines @@
   EXPECT_TRUE(token->IsAppropriate(kExpectedOrigin,
                                    base::ToLowerASCII(kExpectedFeatureName)));
   EXPECT_FALSE(token->IsAppropriate(kInvalidOrigin, kExpectedFeatureName));
   EXPECT_FALSE(token->IsAppropriate(kInsecureOrigin, kExpectedFeatureName));
   EXPECT_FALSE(token->IsAppropriate(kExpectedOrigin, kInvalidFeatureName));
 }
 
 TEST_F(TrialTokenTest, ValidateValidSignature) {
   scoped_ptr<TrialToken> token = TrialToken::Parse(kSampleToken);
   ASSERT_TRUE(token);
-  EXPECT_TRUE(ValidateSignature(token.get(), public_key()));
+  EXPECT_TRUE(ValidateSignature(token.get(), correct_public_key()));
 }
 
 TEST_F(TrialTokenTest, ValidateInvalidSignature) {
   scoped_ptr<TrialToken> token = TrialToken::Parse(kInvalidSignatureToken);
   ASSERT_TRUE(token);
-  EXPECT_FALSE(ValidateSignature(token.get(), public_key()));
+  EXPECT_FALSE(ValidateSignature(token.get(), correct_public_key()));
 }
 
-TEST_F(TrialTokenTest, ValidateSignatureOnWrongKey) {
+TEST_F(TrialTokenTest, ValidateTokenWithCorrectKey) {
   scoped_ptr<TrialToken> token = TrialToken::Parse(kSampleToken);
   ASSERT_TRUE(token);
-  // Signature will be invalid if tested against the real public key
-  EXPECT_FALSE(token->IsValid(base::Time::FromDoubleT(kValidTimestamp)));
+  EXPECT_TRUE(token->IsValid(base::Time::FromDoubleT(kValidTimestamp),
+                             correct_public_key()));
+}
+
+TEST_F(TrialTokenTest, ValidateSignatureWithIncorrectKey) {
+  scoped_ptr<TrialToken> token = TrialToken::Parse(kSampleToken);
+  ASSERT_TRUE(token);
+  EXPECT_FALSE(token->IsValid(base::Time::FromDoubleT(kValidTimestamp),
+                              incorrect_public_key()));
 }
 
 TEST_F(TrialTokenTest, ValidateWhenNotExpired) {
   scoped_ptr<TrialToken> token = TrialToken::Parse(kSampleToken);
   ASSERT_TRUE(token);
 }
 
 }  // namespace content