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Unified Diff: components/data_reduction_proxy/browser/data_reduction_proxy_tamper_detect_unittest.cc

Issue 338483002: Chrome Participated Tamper Detect (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years, 6 months ago
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Index: components/data_reduction_proxy/browser/data_reduction_proxy_tamper_detect_unittest.cc
diff --git a/components/data_reduction_proxy/browser/data_reduction_proxy_tamper_detect_unittest.cc b/components/data_reduction_proxy/browser/data_reduction_proxy_tamper_detect_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..1f5f310016dafc641111c0ac7fe0ec33a917959b
--- /dev/null
+++ b/components/data_reduction_proxy/browser/data_reduction_proxy_tamper_detect_unittest.cc
@@ -0,0 +1,954 @@
+// Copyright 2014 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 <string.h>
+#include <algorithm>
+#include <vector>
+
+#include "base/base64.h"
+#include "base/md5.h"
+
+#include "components/data_reduction_proxy/browser/data_reduction_proxy_tamper_detect.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+std::string GetEncoded(std::string& input) {
+ std::string ret;
+ base::Base64Encode(data_reduction_proxy::GetMD5(input), &ret);
+ return ret;
+}
+
+namespace {
+
+void HeadersToRaw(std::string* headers) {
+ std::replace(headers->begin(), headers->end(), '\n', '\0');
+ if (!headers->empty())
+ *headers += '\0';
+}
+
+struct FingerprintTestCase {
+ std::string raw_header;
+ std::string received_fingerprint;
+ bool expected_tampered;
+};
+
+struct ParsingTestCase {
+ std::string raw_header;
+ std::string expected_chrome_proxy_fingerprint;
+ std::string expected_other_fingerprints;
+ bool expected_contain_tamper_detect_fingerprints;
+};
+
+class DataReductionProxyTamperDetectTest : public testing::Test {
+};
+
+enum Fingerprint { CHROMEPROXY, VIA, OTHERHEADERS, CONTENTLENGTH };
+
+void TestFingerprintCommon(const FingerprintTestCase& test,
+ Fingerprint fingerprint) {
+ std::string raw_headers(test.raw_header);
+ HeadersToRaw(&raw_headers);
+ scoped_refptr<net::HttpResponseHeaders> headers(
+ new net::HttpResponseHeaders(raw_headers));
+
+ std::vector<std::string> values = data_reduction_proxy::
+ GetHeaderValues(headers, "Chrome-Proxy");
+ int chrome_proxy_fingerprint_index = -1;
+ for (size_t i=0; i<values.size(); ++i)
+ if (values[i].find(
+ data_reduction_proxy::kTamperDetectFingerprintChromeProxy) == 0) {
+ chrome_proxy_fingerprint_index = i;
+ break;
+ }
+
+ // No fingerprint for Chrome-Proxy found.
+ if (chrome_proxy_fingerprint_index != -1)
+ values.erase(values.begin() + chrome_proxy_fingerprint_index);
+ data_reduction_proxy::DataReductionProxyTamperDetect
+ tamper_detect(headers, true, 0, &values);
+
+ data_reduction_proxy::DataReductionProxyTamperDetect::CheckTamper checkFunc;
+ switch (fingerprint) {
+ case CHROMEPROXY:
+ checkFunc = &data_reduction_proxy::DataReductionProxyTamperDetect::
+ CheckHeaderChromeProxy;
+ break;
+ case VIA:
+ checkFunc = &data_reduction_proxy::DataReductionProxyTamperDetect::
+ CheckHeaderVia;
+ break;
+ case OTHERHEADERS:
+ checkFunc = &data_reduction_proxy::DataReductionProxyTamperDetect::
+ CheckHeaderOtherHeaders;
+ break;
+ case CONTENTLENGTH:
+ checkFunc = &data_reduction_proxy::DataReductionProxyTamperDetect::
+ CheckHeaderContentLength;
+ break;
+ }
+
+ EXPECT_EQ(test.expected_tampered,
+ (tamper_detect.*checkFunc)(test.received_fingerprint));
+}
+
+void TestParsingCommon(const ParsingTestCase& test) {
+ std::string raw_headers(test.raw_header);
+ HeadersToRaw(&raw_headers);
+ scoped_refptr<net::HttpResponseHeaders> headers(
+ new net::HttpResponseHeaders(raw_headers));
+
+ std::vector<std::string> values =
+ data_reduction_proxy::GetHeaderValues(headers, "Chrome-Proxy");
+
+ std::string chrome_proxy_fingerprint, other_fingerprints;
+ bool contain_tamper_detect_fingerprints = data_reduction_proxy::
+ ContainsTamperDetectFingerprints(values,
+ chrome_proxy_fingerprint,
+ other_fingerprints);
+
+ EXPECT_EQ(test.expected_contain_tamper_detect_fingerprints,
+ contain_tamper_detect_fingerprints);
+
+ if (contain_tamper_detect_fingerprints) {
+ EXPECT_EQ(test.expected_chrome_proxy_fingerprint,
+ chrome_proxy_fingerprint);
+
+ EXPECT_EQ(test.expected_other_fingerprints,
+ other_fingerprints);
+ }
+
+}
+
+TEST(DataReductionProxyTamperDetectTest, ChromeProxy) {
+ FingerprintTestCase test[] = {
+ // check sorting values and decoding
+ {
+ "HTTP/1.1 200 OK \n"
bengr 2014/07/02 17:31:01 indent 2, not 4, here and below.
xingx 2014/07/06 03:18:20 Done.
+ "Chrome-Proxy: aut=aauutthh," +
+ std::string(data_reduction_proxy::kTamperDetectFingerprint) +
+ "123,bbbypas=0,aaxxx=xxx,bbbloc=1\n",
+
+ "aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0," +
+ std::string(data_reduction_proxy::kTamperDetectFingerprint) + "123,",
+ false,
+ },
+
+ // check sorting
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: a,b,c,d,e,3,2,1," +
+ std::string(data_reduction_proxy::kTamperDetectFingerprintChromeProxy)
+ + "1231\n",
+
+ "1,2,3,a,b,c,d,e,",
+ false,
+ },
+
+ // check no Chrome-Proxy header case (should not happen)
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Length: 12345\n",
+
+ "",
+ false,
+ },
+
+ // check empty Chrome-Proxy header case (should not happen)
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: \n",
+
+ ",",
+ false,
+ },
+
+ // check empty Chrome-Proxy header case
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprintChromeProxy)
+ + "xyz\n",
+
+ "",
+ false,
+ },
+
+ // check empty Chrome-Proxy header case, with extra ","
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprintChromeProxy)
+ + "abcde , \n",
+
+ "",
+ false,
+ },
+
+ // check empty Chrome-Proxy header, different fingerprint
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprintChromeProxy)
+ + "xyz\n",
+
+ ",",
+ true,
+ },
+
+ // check regular Chrome-Proxy header, different fingerprint
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=2,aaxxx=xxx,bbbloc=1\n",
+
+ "aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0,",
+ true,
+ },
+
+ // check regular Chrome-Proxy header, different fingerprint
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: a,aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n",
+
+ "aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0,",
+ true,
+ },
+
+ // check regular Chrome-Proxy header, with extra " "
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh , bbbypas=0 , aaxxx=xxx"
+ " ,bbbloc=1 \n",
+
+ "aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0,",
+ false
+ },
+
+ // check regular Chrome-Proxy header, with extra lines and " "
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh , bbbypas=0 , bbbloc=1 \n"
+ "Chrome-Proxy: aaxxx=xxx \n",
+
+ "aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0,",
+ false
+ },
+
+ // check Chrome-Proxy header with multiple lines
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Chrome-Proxy: aut=aauutthh\n"
+ "Chrome-Proxy: bbbypas=0\n"
+ "Chrome-Proxy:bbbloc=1 \n",
+
+ "aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0,",
+ false
+ },
+
+ // check Chrome-Proxy header with multiple lines, at different position
+ // of the entire header
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Chrome-Proxy: aut=aauutthh\n"
+ "Content-Type: 1\n"
+ "Cache-Control: 2\n"
+ "ETag: 3\n"
+ "Chrome-Proxy: bbbypas=0\n"
+ "Connection: 4\n"
+ "Expires: 5\n"
+ "Chrome-Proxy: bbbloc=1\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0,",
+ false
+ },
+
+ // check Chrome-Proxy header with multiple same values
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Chrome-Proxy: aut=aauutthh\n"
+ "Content-Type: 1\n"
+ "Cache-Control: 2\n"
+ "ETag: 3\n"
+ "Chrome-Proxy: bbbypas=0\n"
+ "Connection: 4\n"
+ "Expires: 5\n"
+ "Chrome-Proxy: bbbloc=1, " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprint) +
+ "123 \n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaxxx=xxx,aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0," +
+ std::string(data_reduction_proxy::kTamperDetectFingerprint) + "123,",
+ false
+ },
+
+ // check Chrome-Proxy header with multiple same values,
+ // but different fingerprint
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Chrome-Proxy: aut=aauutthh\n"
+ "Content-Type: 1\n"
+ "Cache-Control: 2\n"
+ "ETag: 3\n"
+ "Chrome-Proxy: bbbypas=0\n"
+ "Connection: 4\n"
+ "Expires: 5\n"
+ "Chrome-Proxy: bbbloc=1\n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaxxx=xxx,aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0,",
+ true,
+ },
+
+ // check Chrome-Proxy header with multiple lines,
+ // but different fingerprint
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: 1\n"
+ "Cache-Control: 2\n"
+ "ETag: 3\n"
+ "Chrome-Proxy: bbbypas=0\n"
+ "Connection: 4\n"
+ "Expires: 5\n"
+ "Chrome-Proxy: bbbloc=1\n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaxxx=xxx,aaxxx=xxx,aut=aauutthh,bbbloc=1,bbbypas=0,",
+ true,
+ },
+
+ // check regular Chrome-Proxy header, but received fingerprint is empty
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Chrome-Proxy: aut=aauutthh\n"
+ "Content-Type: 1\n"
+ "Cache-Control: 2\n"
+ "ETag: 3\n"
+ "Chrome-Proxy: bbbypas=0\n"
+ "Connection: 4\n"
+ "Expires: 5\n"
+ "Chrome-Proxy: bbbloc=1\n"
+ "Chrome-Proxy: aaxxx=xxx \n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "",
+ true,
+ },
+
+ };
+
+ for (size_t i=0; i<ARRAYSIZE_UNSAFE(test); ++i) {
+ test[i].received_fingerprint =
+ GetEncoded(test[i].received_fingerprint);
bengr 2014/07/02 17:31:01 move up a line.
xingx 2014/07/06 03:18:20 Done.
+ TestFingerprintCommon(test[i], CHROMEPROXY);
+ }
+}
+
+TEST(DataReductionProxyTamperDetectTest, Via) {
+ FingerprintTestCase test[] = {
+ // check regular case, where Chrome-Compression-Proxy occurs at the last
+ {
+ "HTTP/1.1 200 OK \n"
+ "Via: a, b, c, Chrome-Compression-Proxy\n",
+
+ "0",
+ false
+ },
+
+ // check when there is extra middlebox
+ // between data-reduction-proxy and phone
+ {
+ "HTTP/1.1 200 OK \n"
+ "Via: a, b, c, Chrome-Compression-Proxy, xyz\n",
+
+ "0",
+ true,
+ },
+
+ // emtpy Via header, even no Chrome-Compression-Proxy tag
+ {
+ "HTTP/1.1 200 OK \n"
+ "Via: \n",
+
+ "0",
+ true,
+ },
+
+ // only Chrome-Compression-Proxy tag occurs in Via header
+ {
+ "HTTP/1.1 200 OK \n"
+ "Via: Chrome-Compression-Proxy \n",
+
+ "0",
+ false
+ },
+
+ // there are " ", i.e., empty value after Chrome-Compression-Proxy tag
+ // should not count as extra middleboxes
+ {
+ "HTTP/1.1 200 OK \n"
+ "Via: Chrome-Compression-Proxy , , \n",
+
+ "0",
+ false
+ },
+
+ // special case when there is no Via header
+ {
+ "HTTP/1.1 200 OK \n",
+
bengr 2014/07/02 17:31:01 remove blank line here and in all other cases.
xingx 2014/07/06 03:18:20 Done.
+ "0",
+ true
+ },
+ };
+
+ for (size_t i=0; i<ARRAYSIZE_UNSAFE(test); ++i) {
+ TestFingerprintCommon(test[i], VIA);
+ }
+}
+
+TEST(DataReductionProxyTamperDetectTest, OtherHeaders) {
+ FingerprintTestCase test[] = {
+ // regular case, with correct fingerprint
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: 1\n"
+ "Cache-Control: 2\n"
+ "ETag: 3\n"
+ "Connection: 4\n"
+ "Expires: 5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "1,;2,;3,;4,;5,;:content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // regular case, with correct fingerprint
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: aaa1\n"
+ "Cache-Control: aaa2\n"
+ "ETag: aaa3\n"
+ "Connection: aaa4\n"
+ "Expires: aaa5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaa1,;aaa2,;aaa3,;aaa4,;aaa5,;:content-type:cache-control:"
+ "etag:connection:expires",
+ false
+ },
+
+ // regular case, one header is with multiple values
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: aaa1, bbb1, ccc1\n"
+ "Cache-Control: aaa2\n"
+ "ETag: aaa3\n"
+ "Connection: aaa4\n"
+ "Expires: aaa5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaa1,bbb1,ccc1,;aaa2,;aaa3,;aaa4,;aaa5,;:"
+ "content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // regular case, one header has multiple lines
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: aaa1, ccc1\n"
+ "Content-Type: xxx1, bbb1, ccc1\n"
+ "Cache-Control: aaa2\n"
+ "ETag: aaa3\n"
+ "Connection: aaa4\n"
+ "Expires: aaa5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaa1,bbb1,ccc1,ccc1,xxx1,;aaa2,;aaa3,;aaa4,;aaa5,;:"
+ "content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // regular case, one header has multiple lines,
+ // and such multiple lines occur at different positions
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: aaa1, ccc1\n"
+ "Cache-Control: aaa2\n"
+ "ETag: aaa3\n"
+ "Content-Type: xxx1, bbb1, ccc1\n"
+ "Connection: aaa4\n"
+ "Expires: aaa5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaa1,bbb1,ccc1,ccc1,xxx1,;aaa2,;aaa3,;aaa4,;aaa5,;"
+ ":content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // regular case, more than one header have multiple lines,
+ // and such multiple lines occur at different positions
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: aaa1, ccc1\n"
+ "Cache-Control: ccc2 , bbb2\n"
+ "ETag: aaa3\n"
+ "Content-Type: xxx1, bbb1, ccc1\n"
+ "Connection: aaa4\n"
+ "Cache-Control: aaa2 \n"
+ "Expires: aaa5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaa1,bbb1,ccc1,ccc1,xxx1,;aaa2,bbb2,ccc2,;aaa3,;aaa4,;aaa5,;:"
+ "content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // regular case, response header does not have one header we need
+ // for fingerprint (expires)
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: aaa1, ccc1\n"
+ "Cache-Control: ccc2 , bbb2\n"
+ "ETag: aaa3\n"
+ "Content-Type: xxx1, bbb1, ccc1\n"
+ "Connection: aaa4\n"
+ "Cache-Control: aaa2 \n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaa1,bbb1,ccc1,ccc1,xxx1,;aaa2,bbb2,ccc2,;aaa3,;aaa4,;;:"
+ "content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // regular case, response header does not have more than one header
+ // we need for fingerprint (content-type, expires)
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Cache-Control: ccc2 , bbb2\n"
+ "ETag: aaa3\n"
+ "Connection: aaa4\n"
+ "Cache-Control: aaa2 \n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ ";aaa2,bbb2,ccc2,;aaa3,;aaa4,;;:content-type:cache-control:"
+ "etag:connection:expires",
+ false
+ },
+
+ // regular case, all the headers we need for fingerprint are missing
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ ";;;;;:content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // regular case, but differ to received fingerprint
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: aaa1, ccc1\n"
+ "Cache-Control: ccc2 , bbb2\n"
+ "ETag: etag\n"
+ "Content-Type: xxx1, bbb1, ccc1\n"
+ "Connection: aaa4\n"
+ "Cache-Control: aaa2 \n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "aaa1,bbb1,ccc1,ccc1,xxx1,;aaa2,bbb2,ccc2,;aaa3,;aaa4,;;:"
+ "content-type:cache-control:etag:connection:expires",
+ true,
+ },
+
+ // special case, headers are not missing but some of them are empty
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: \n"
+ "Cache-Control: \n"
+ "ETag: \n"
+ "Connection: \n"
+ "Expires: 5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ ",;,;,;,;5,;:content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // special case, some headers do not exist, some are of empty value.
+ // check delimiter "," and ";" work correctly.
+ {
+ "HTTP/1.1 200 OK \n"
+ "Cache-Control: \n"
+ "Connection: \n"
+ "Expires: 5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ ";,;;,;5,;:content-type:cache-control:etag:connection:expires",
+ false
+ },
+
+ // special case, check if we don't check any header, i.e.,
+ // header list is empty
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: 1\n"
+ "Cache-Control: 2\n"
+ "ETag: 3\n"
+ "Connection: 4\n"
+ "Expires: 5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "",
+ false
+ },
+
+ // special case, we only want to check one header, which does not
+ // exist in received header
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: aut=aauutthh,bbbypas=0,aaxxx=xxx,bbbloc=1\n"
+ "Content-Type: 1\n"
+ "Cache-Control: 2\n"
+ "ETag: 3\n"
+ "Connection: 4\n"
+ "Expires: 5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ ";:non_exist_header",
+ false
+ },
+
+ // there is only one header in our header list
+ {
+ "HTTP/1.1 200 OK \n"
+ "Cache-Control: \n"
+ "Connection: \n"
+ "Expires: 5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ ";:content-type",
+ false
+ },
+
+ // special case, if base64 decoding fails
+ {
+ "HTTP/1.1 200 OK \n"
+ "Cache-Control: \n"
+ "Connection: \n"
+ "Expires: 5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ ";:content-type",
+ false
+ },
+
+ // special case, if base64 decoding fails
+ {
+ "HTTP/1.1 200 OK \n"
+ "Cache-Control: \n"
+ "Connection: \n"
+ "Expires: 5\n"
+ "Via: \n"
+ "Content-Length: 12345\n",
+
+ "abcde:content-type:cache-control:etag:connection:expires",
+ false
+ },
+ };
+
+ for (size_t i=0; i<ARRAYSIZE_UNSAFE(test); ++i) {
+ if (i >= ARRAYSIZE_UNSAFE(test) - 2)
+ {
+ TestFingerprintCommon(test[i], OTHERHEADERS);
+ continue;
+ }
+ size_t delimiter_pos = test[i].received_fingerprint.find(":");
+ std::string hash, rest;
+ if (delimiter_pos == std::string::npos)
+ {
+ delimiter_pos = test[i].received_fingerprint.size();
+ rest = "";
+ }
+ else
+ rest = test[i].received_fingerprint.substr(
+ delimiter_pos,
+ test[i].received_fingerprint.size() - delimiter_pos);
+ hash = test[i].received_fingerprint.substr(0, delimiter_pos);
+ test[i].received_fingerprint = GetEncoded(hash) + rest;
+
+ TestFingerprintCommon(test[i], OTHERHEADERS);
+ }
+}
+
+TEST(DataReductionProxyTamperDetectTest, ContentLength) {
+ FingerprintTestCase test[] = {
+ // regular case, content-length is the same
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: 1\n"
+ "Content-Length: 12345\n",
+
+ "12345",
+ false,
+ },
+
+ // regular case, content-length is not the same
+ // also check if retrieved content-type is correct
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: text/html; charset=ISO-8859-4\n"
+ "Content-Length: 12345\n",
+
+ "125",
+ true,
+ },
+
+ // special case, data reduction proxy does not sent content-length
+ // i.e., content-length at data reduction proxy side is missing
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: text/javascript\n"
+ "Content-Length: 12345\n",
+
+ "",
+ false,
+ },
+
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: text/javascript\n"
+ "Content-Length: 12345\n",
+
+ "aaa",
+ false,
+ },
+
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: text/javascript\n"
+ "Content-Length: aaa\n",
+
+ "aaa",
+ false,
+ },
+
+ // special case, content-length are missing at both end
+ // i.e., both data reduction proxy and chrome
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: 1\n",
+
+ "",
+ false,
+ },
+
+ // special case, check when content-length is 0
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: application/x-javascript\n"
+ "Content-Length: 0\n",
+
+ "0",
+ false,
+ },
+
+ // special case, check when data reduction proxy side's
+ // content-length is empty (header exist, but value is empty)
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: application/x-javascript\n"
+ "Content-Length: 123\n",
+
+ ",",
+ false,
+ },
+
+ // when content-length is different, check whether it recognizes image.
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: image/gif \n"
+ "Content-Length: 123\n",
+
+ "0",
+ true,
+ },
+
+ // when content-length is different, check whether it recognizes JS
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: application/x-javascript \n"
+ "Content-Length: 0\n",
+
+ "120",
+ true,
+ },
+
+ // when content-length is different, check whether it recognizes JS
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: text/javascript \n"
+ "Content-Length: 123\n",
+
+ "0",
+ true,
+ },
+
+ // when content-length is different, check whether it recognizes CSS
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: text/css\n"
+ "Content-Length: 111\n",
+
+ "0",
+ true,
+ },
+
+ // when content-length is different (chrome side is missing),
+ // check whether it recognizes JS.
+ // (if phone side's content-length has been removed, shall we report?
+ // current implementation: not reporting.)
+ {
+ "HTTP/1.1 200 OK \n"
+ "Content-Type: application/javascript \n",
+
+ "123",
+ false,
+ },
+
+ };
+
+ for (size_t i=0; i<ARRAYSIZE_UNSAFE(test); ++i) {
+ TestFingerprintCommon(test[i], CONTENTLENGTH);
+ }
+}
+
+TEST(DataReductionProxyTamperDetectTest, Parsing) {
+ ParsingTestCase test[] = {
+ // Check normal case, Chrome-Proxy fingerprint doesn't exist
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: f1:f1&f2:f2&f3:f3&f4:f4\n",
+ "",
+ "",
+ false
+ },
+ // Check normal case, Chrome-Proxy fingerprint exist,
+ // but other headers' fingerprint is not there.
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: f1, " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprintChromeProxy)
+ + "abc \n",
+ "abc",
+ "",
+ true
+ },
+
+ // Check normal case, both Chrome-Proxy fingerprint
+ // and other headers' fingerprint exist,
+ // but with different values and occur at different position.
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: f1, " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprintChromeProxy)
+ + "abc \n"
+ "Chrome-Proxy: " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprint) + "def\n",
+ "abc",
+ "def",
+ true
+ },
+
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: f1, " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprintChromeProxy)
+ + "abc," +
+ data_reduction_proxy::kTamperDetectFingerprint + "def \n",
+ "abc",
+ "def",
+ true
+ },
+
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: f1, " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprintChromeProxy)
+ + "def," +
+ data_reduction_proxy::kTamperDetectFingerprint + "abc \n",
+ "def",
+ "abc",
+ true
+ },
+
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: f1, " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprint) + "abc," +
+ data_reduction_proxy::kTamperDetectFingerprintChromeProxy + "def \n",
+ "def",
+ "abc",
+ true
+ },
+
+ {
+ "HTTP/1.1 200 OK \n"
+ "Chrome-Proxy: f1, " +
+ std::string(data_reduction_proxy::kTamperDetectFingerprint) + "def," +
+ data_reduction_proxy::kTamperDetectFingerprintChromeProxy + "abc \n",
+ "abc",
+ "def",
+ true
+ },
+
+ };
+
+ for (size_t i=0; i<ARRAYSIZE_UNSAFE(test); ++i) {
+ TestParsingCommon(test[i]);
+ }
+}
+
+} // namespace

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