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// Copyright (c) 2012 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 "base/base64.h"
#include "base/sha1.h"
#include "base/string_piece.h"
#include "crypto/sha2.h"
#include "net/base/net_log.h"
#include "net/base/test_completion_callback.h"
#include "net/http/http_security_headers.h"
#include "net/http/http_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
HashValue GetTestHashValue(uint8 label, HashValueTag tag) {
HashValue hash_value(tag);
memset(hash_value.data(), label, hash_value.size());
return hash_value;
}
std::string GetTestPin(uint8 label, HashValueTag tag) {
HashValue hash_value = GetTestHashValue(label, tag);
std::string base64;
base::Base64Encode(base::StringPiece(
reinterpret_cast<char*>(hash_value.data()), hash_value.size()), &base64);
switch (hash_value.tag) {
case HASH_VALUE_SHA1:
return std::string("pin-sha1=\"") + base64 + "\"";
case HASH_VALUE_SHA256:
return std::string("pin-sha256=\"") + base64 + "\"";
default:
NOTREACHED() << "Unknown HashValueTag " << hash_value.tag;
return std::string("ERROR");
}
}
};
class HttpSecurityHeadersTest : public testing::Test {
};
TEST_F(HttpSecurityHeadersTest, BogusHeaders) {
base::Time now = base::Time::Now();
base::Time expiry = now;
bool include_subdomains = false;
EXPECT_FALSE(
ParseHSTSHeader(now, std::string(), &expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " ", &expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "abc", &expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " abc", &expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " abc ", &expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age", &expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " max-age", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " max-age ", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=", &expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " max-age=", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " max-age =", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " max-age= ", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " max-age = ", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " max-age = xy", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, " max-age = 3488a923", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=3488a923 ", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-ag=3488923", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-aged=3488923", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age==3488923", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "amax-age=3488923", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=-3488923", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=3488923;", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=3488923 e", &expiry,
&include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now,
"max-age=3488923 includesubdomain",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=3488923includesubdomains",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=3488923=includesubdomains",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=3488923 includesubdomainx",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=3488923 includesubdomain=",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now,
"max-age=3488923 includesubdomain=true",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=3488923 includesubdomainsx",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now,
"max-age=3488923 includesubdomains x",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=34889.23 includesubdomains",
&expiry, &include_subdomains));
EXPECT_FALSE(ParseHSTSHeader(now, "max-age=34889 includesubdomains",
&expiry, &include_subdomains));
// Check the out args were not updated by checking the default
// values for its predictable fields.
EXPECT_EQ(now, expiry);
EXPECT_FALSE(include_subdomains);
}
static void TestBogusPinsHeaders(HashValueTag tag) {
base::Time now = base::Time::Now();
base::Time expiry = now;
HashValueVector hashes;
HashValueVector chain_hashes;
// Set some fake "chain" hashes
chain_hashes.push_back(GetTestHashValue(1, tag));
chain_hashes.push_back(GetTestHashValue(2, tag));
chain_hashes.push_back(GetTestHashValue(3, tag));
// The good pin must be in the chain, the backup pin must not be
std::string good_pin = GetTestPin(2, tag);
std::string backup_pin = GetTestPin(4, tag);
EXPECT_FALSE(
ParseHPKPHeader(now, std::string(), chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " ", chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "abc", chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " abc", chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " abc ", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-age", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " max-age", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " max-age ", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-age=", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " max-age=", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " max-age =", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " max-age= ", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " max-age = ", chain_hashes,
&expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, " max-age = xy", chain_hashes,
&expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now,
" max-age = 3488a923",
chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-age=3488a923 ", chain_hashes,
&expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now,
"max-ag=3488923pins=" + good_pin + "," +
backup_pin,
chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-aged=3488923" + backup_pin,
chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-aged=3488923; " + backup_pin,
chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now,
"max-aged=3488923; " + backup_pin + ";" +
backup_pin,
chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now,
"max-aged=3488923; " + good_pin + ";" +
good_pin,
chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-aged=3488923; " + good_pin,
chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-age==3488923", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "amax-age=3488923", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-age=-3488923", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-age=3488923;", chain_hashes, &expiry,
&hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-age=3488923 e", chain_hashes,
&expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now,
"max-age=3488923 includesubdomain",
chain_hashes, &expiry, &hashes));
EXPECT_FALSE(ParseHPKPHeader(now, "max-age=34889.23", chain_hashes, &expiry,
&hashes));
// Check the out args were not updated by checking the default
// values for its predictable fields.
EXPECT_EQ(now, expiry);
EXPECT_EQ(hashes.size(), (size_t)0);
}
TEST_F(HttpSecurityHeadersTest, ValidSTSHeaders) {
base::Time now = base::Time::Now();
base::Time expiry = now;
base::Time expect_expiry = now;
bool include_subdomains = false;
EXPECT_TRUE(ParseHSTSHeader(now, "max-age=243", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(243);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now, " Max-agE = 567", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(567);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now, " mAx-aGe = 890 ", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(890);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_FALSE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now, "max-age=123;incLudesUbdOmains", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now, "incLudesUbdOmains; max-age=123", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now, " incLudesUbdOmains; max-age=123",
&expiry, &include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now,
" incLudesUbdOmains; max-age=123; pumpkin=kitten", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now,
" pumpkin=894; incLudesUbdOmains; max-age=123 ", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now,
" pumpkin; incLudesUbdOmains; max-age=123 ", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now,
" pumpkin; incLudesUbdOmains; max-age=\"123\" ", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now,
"animal=\"squirrel; distinguished\"; incLudesUbdOmains; max-age=123",
&expiry, &include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(now, "max-age=394082; incLudesUbdOmains",
&expiry, &include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(394082);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
now, "max-age=39408299 ;incLudesUbdOmains", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(39408299))));
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
now, "max-age=394082038 ; incLudesUbdOmains", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
now, " max-age=0 ; incLudesUbdOmains ", &expiry,
&include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(0);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
EXPECT_TRUE(ParseHSTSHeader(
now,
" max-age=999999999999999999999999999999999999999999999 ;"
" incLudesUbdOmains ", &expiry, &include_subdomains));
expect_expiry = now + base::TimeDelta::FromSeconds(
kMaxHSTSAgeSecs);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(include_subdomains);
}
static void TestValidPinsHeaders(HashValueTag tag) {
base::Time now = base::Time::Now();
base::Time expiry = now;
base::Time expect_expiry = now;
HashValueVector hashes;
HashValueVector chain_hashes;
// Set some fake "chain" hashes into chain_hashes
chain_hashes.push_back(GetTestHashValue(1, tag));
chain_hashes.push_back(GetTestHashValue(2, tag));
chain_hashes.push_back(GetTestHashValue(3, tag));
// The good pin must be in the chain, the backup pin must not be
std::string good_pin = GetTestPin(2, tag);
std::string backup_pin = GetTestPin(4, tag);
EXPECT_TRUE(ParseHPKPHeader(
now,
"max-age=243; " + good_pin + ";" + backup_pin,
chain_hashes, &expiry, &hashes));
expect_expiry = now + base::TimeDelta::FromSeconds(243);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(ParseHPKPHeader(
now,
" " + good_pin + "; " + backup_pin + " ; Max-agE = 567",
chain_hashes, &expiry, &hashes));
expect_expiry = now + base::TimeDelta::FromSeconds(567);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(ParseHPKPHeader(
now,
good_pin + ";" + backup_pin + " ; mAx-aGe = 890 ",
chain_hashes, &expiry, &hashes));
expect_expiry = now + base::TimeDelta::FromSeconds(890);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(ParseHPKPHeader(
now,
good_pin + ";" + backup_pin + "; max-age=123;IGNORED;",
chain_hashes, &expiry, &hashes));
expect_expiry = now + base::TimeDelta::FromSeconds(123);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(ParseHPKPHeader(
now,
"max-age=394082;" + backup_pin + ";" + good_pin + "; ",
chain_hashes, &expiry, &hashes));
expect_expiry = now + base::TimeDelta::FromSeconds(394082);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(ParseHPKPHeader(
now,
"max-age=39408299 ;" + backup_pin + ";" + good_pin + "; ",
chain_hashes, &expiry, &hashes));
expect_expiry = now + base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(39408299))));
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(ParseHPKPHeader(
now,
"max-age=39408038 ; cybers=39408038 ; " +
good_pin + ";" + backup_pin + "; ",
chain_hashes, &expiry, &hashes));
expect_expiry = now + base::TimeDelta::FromSeconds(
std::min(kMaxHSTSAgeSecs, static_cast<int64>(GG_INT64_C(394082038))));
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(ParseHPKPHeader(
now,
" max-age=0 ; " + good_pin + ";" + backup_pin,
chain_hashes, &expiry, &hashes));
expect_expiry = now + base::TimeDelta::FromSeconds(0);
EXPECT_EQ(expect_expiry, expiry);
EXPECT_TRUE(ParseHPKPHeader(
now,
" max-age=999999999999999999999999999999999999999999999 ; " +
backup_pin + ";" + good_pin + "; ",
chain_hashes, &expiry, &hashes));
expect_expiry = now +
base::TimeDelta::FromSeconds(kMaxHSTSAgeSecs);
EXPECT_EQ(expect_expiry, expiry);
}
TEST_F(HttpSecurityHeadersTest, BogusPinsHeadersSHA1) {
TestBogusPinsHeaders(HASH_VALUE_SHA1);
}
TEST_F(HttpSecurityHeadersTest, BogusPinsHeadersSHA256) {
TestBogusPinsHeaders(HASH_VALUE_SHA256);
}
TEST_F(HttpSecurityHeadersTest, ValidPinsHeadersSHA1) {
TestValidPinsHeaders(HASH_VALUE_SHA1);
}
TEST_F(HttpSecurityHeadersTest, ValidPinsHeadersSHA256) {
TestValidPinsHeaders(HASH_VALUE_SHA256);
}
};
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