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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/base/proxy_string_util.h"
#include "net/base/proxy_chain.h"
#include "net/base/proxy_server.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
// Test the creation of ProxyServer using ProxyUriToProxyServer, which parses
// inputs of the form [<scheme>"://"]<host>[":"<port>]. Verify that each part
// was labelled correctly, and the accessors all give the right data.
TEST(ProxySpecificationUtilTest, ProxyUriToProxyServer) {
const struct {
const char* const input_uri;
const char* const expected_uri;
ProxyServer::Scheme expected_scheme;
const char* const expected_host;
int expected_port;
const char* const expected_pac_string;
} tests[] = {
// HTTP proxy URIs:
{"foopy:10", // No scheme.
"foopy:10", ProxyServer::SCHEME_HTTP, "foopy", 10, "PROXY foopy:10"},
{"http://foopy", // No port.
"foopy:80", ProxyServer::SCHEME_HTTP, "foopy", 80, "PROXY foopy:80"},
{"http://foopy:10", "foopy:10", ProxyServer::SCHEME_HTTP, "foopy", 10,
"PROXY foopy:10"},
// IPv6 HTTP proxy URIs:
{"[fedc:ba98:7654:3210:fedc:ba98:7654:3210]:10", // No scheme.
"[fedc:ba98:7654:3210:fedc:ba98:7654:3210]:10", ProxyServer::SCHEME_HTTP,
"fedc:ba98:7654:3210:fedc:ba98:7654:3210", 10,
"PROXY [fedc:ba98:7654:3210:fedc:ba98:7654:3210]:10"},
{"http://[3ffe:2a00:100:7031::1]", // No port.
"[3ffe:2a00:100:7031::1]:80", ProxyServer::SCHEME_HTTP,
"3ffe:2a00:100:7031::1", 80, "PROXY [3ffe:2a00:100:7031::1]:80"},
// SOCKS4 proxy URIs:
{"socks4://foopy", // No port.
"socks4://foopy:1080", ProxyServer::SCHEME_SOCKS4, "foopy", 1080,
"SOCKS foopy:1080"},
{"socks4://foopy:10", "socks4://foopy:10", ProxyServer::SCHEME_SOCKS4,
"foopy", 10, "SOCKS foopy:10"},
// SOCKS5 proxy URIs:
{"socks5://foopy", // No port.
"socks5://foopy:1080", ProxyServer::SCHEME_SOCKS5, "foopy", 1080,
"SOCKS5 foopy:1080"},
{"socks5://foopy:10", "socks5://foopy:10", ProxyServer::SCHEME_SOCKS5,
"foopy", 10, "SOCKS5 foopy:10"},
// SOCKS proxy URIs (should default to SOCKS5)
{"socks://foopy", // No port.
"socks5://foopy:1080", ProxyServer::SCHEME_SOCKS5, "foopy", 1080,
"SOCKS5 foopy:1080"},
{"socks://foopy:10", "socks5://foopy:10", ProxyServer::SCHEME_SOCKS5,
"foopy", 10, "SOCKS5 foopy:10"},
// HTTPS proxy URIs:
{"https://foopy", // No port
"https://foopy:443", ProxyServer::SCHEME_HTTPS, "foopy", 443,
"HTTPS foopy:443"},
{"https://foopy:10", // Non-standard port
"https://foopy:10", ProxyServer::SCHEME_HTTPS, "foopy", 10,
"HTTPS foopy:10"},
{"https://1.2.3.4:10", // IP Address
"https://1.2.3.4:10", ProxyServer::SCHEME_HTTPS, "1.2.3.4", 10,
"HTTPS 1.2.3.4:10"},
// Hostname canonicalization:
{"[FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:10", // No scheme.
"[fedc:ba98:7654:3210:fedc:ba98:7654:3210]:10", ProxyServer::SCHEME_HTTP,
"fedc:ba98:7654:3210:fedc:ba98:7654:3210", 10,
"PROXY [fedc:ba98:7654:3210:fedc:ba98:7654:3210]:10"},
{"http://[::192.9.5.5]", "[::c009:505]:80", ProxyServer::SCHEME_HTTP,
"::c009:505", 80, "PROXY [::c009:505]:80"},
{"http://[::FFFF:129.144.52.38]:80", "[::ffff:8190:3426]:80",
ProxyServer::SCHEME_HTTP, "::ffff:8190:3426", 80,
"PROXY [::ffff:8190:3426]:80"},
{"http://f\u00fcpy:85", "xn--fpy-hoa:85", ProxyServer::SCHEME_HTTP,
"xn--fpy-hoa", 85, "PROXY xn--fpy-hoa:85"},
{"https://0xA.020.3.4:443", "https://10.16.3.4:443",
ProxyServer::SCHEME_HTTPS, "10.16.3.4", 443, "HTTPS 10.16.3.4:443"},
{"http://FoO.tEsT:80", "foo.test:80", ProxyServer::SCHEME_HTTP,
"foo.test", 80, "PROXY foo.test:80"},
};
for (const auto& test : tests) {
ProxyServer uri =
ProxyUriToProxyServer(test.input_uri, ProxyServer::SCHEME_HTTP);
EXPECT_TRUE(uri.is_valid());
EXPECT_FALSE(uri.is_direct());
EXPECT_EQ(test.expected_uri, ProxyServerToProxyUri(uri));
EXPECT_EQ(test.expected_scheme, uri.scheme());
EXPECT_EQ(test.expected_host, uri.host_port_pair().host());
EXPECT_EQ(test.expected_port, uri.host_port_pair().port());
EXPECT_EQ(test.expected_pac_string, ProxyServerToPacResultElement(uri));
}
}
// Test parsing of the special URI form "direct://". analogous to the "DIRECT"
// element in a PAC result.
TEST(ProxySpecificationUtilTest, DirectProxyUriToProxyServer) {
ProxyServer uri =
ProxyUriToProxyServer("direct://", ProxyServer::SCHEME_HTTP);
EXPECT_TRUE(uri.is_valid());
EXPECT_TRUE(uri.is_direct());
EXPECT_EQ("direct://", ProxyServerToProxyUri(uri));
EXPECT_EQ("DIRECT", ProxyServerToPacResultElement(uri));
}
// Test parsing some invalid inputs.
TEST(ProxySpecificationUtilTest, InvalidProxyUriToProxyServer) {
const char* const tests[] = {
"",
" ",
"dddf:", // not a valid port
"dddd:d", // not a valid port
"http://", // not a valid host/port.
"direct://xyz", // direct is not allowed a host/port.
"http:/", // ambiguous, but will fail because of bad port.
"http:", // ambiguous, but will fail because of bad port.
"foopy.111", // Interpreted as invalid IPv4 address.
"foo.test/" // Paths disallowed.
"foo.test:123/" // Paths disallowed.
"foo.test/foo" // Paths disallowed.
};
for (const char* test : tests) {
SCOPED_TRACE(test);
ProxyServer uri = ProxyUriToProxyServer(test, ProxyServer::SCHEME_HTTP);
EXPECT_FALSE(uri.is_valid());
EXPECT_FALSE(uri.is_direct());
EXPECT_FALSE(uri.is_http());
EXPECT_FALSE(uri.is_socks());
}
}
// Test that LWS (SP | HT) is disregarded from the ends.
TEST(ProxySpecificationUtilTest, WhitespaceProxyUriToProxyServer) {
const char* const tests[] = {
" foopy:80",
"foopy:80 \t",
" \tfoopy:80 ",
};
for (const char* test : tests) {
ProxyServer uri = ProxyUriToProxyServer(test, ProxyServer::SCHEME_HTTP);
EXPECT_EQ("foopy:80", ProxyServerToProxyUri(uri));
}
}
// Test parsing a ProxyServer from a PAC representation.
TEST(ProxySpecificationUtilTest, PacResultElementToProxyServer) {
const struct {
const char* const input_pac;
const char* const expected_uri;
} tests[] = {
{
"PROXY foopy:10",
"foopy:10",
},
{
" PROXY foopy:10 ",
"foopy:10",
},
{
"pRoXy foopy:10",
"foopy:10",
},
{
"PROXY foopy", // No port.
"foopy:80",
},
{
"socks foopy",
"socks4://foopy:1080",
},
{
"socks4 foopy",
"socks4://foopy:1080",
},
{
"socks5 foopy",
"socks5://foopy:1080",
},
{
"socks5 foopy:11",
"socks5://foopy:11",
},
{
" direct ",
"direct://",
},
{
"https foopy",
"https://foopy:443",
},
{
"https foopy:10",
"https://foopy:10",
},
{"PROXY [FEDC:BA98:7654:3210:FEDC:BA98:7654:3210]:10",
"[fedc:ba98:7654:3210:fedc:ba98:7654:3210]:10"},
{"PROXY f\u00fcpy:85", "xn--fpy-hoa:85"},
};
for (const auto& test : tests) {
SCOPED_TRACE(test.input_pac);
ProxyServer server = PacResultElementToProxyServer(test.input_pac);
EXPECT_TRUE(server.is_valid());
EXPECT_EQ(test.expected_uri, ProxyServerToProxyUri(server));
// TODO(https://crbug.com/1491092): Split this into a new test when
// `PacResultElementToProxyChain()` does more than just wrap
// `PacResultElementToProxyServer()`.
ProxyChain chain = PacResultElementToProxyChain(test.input_pac);
EXPECT_TRUE(chain.IsValid());
EXPECT_EQ(test.expected_uri, ProxyServerToProxyUri(chain.proxy_server()));
}
}
// Test parsing a ProxyServer from an invalid PAC representation.
TEST(ProxySpecificationUtilTest, InvalidPacResultElementToProxyServer) {
const char* const tests[] = {
"PROXY", // missing host/port.
"HTTPS", // missing host/port.
"SOCKS", // missing host/port.
"DIRECT foopy:10", // direct cannot have host/port.
"INVALIDSCHEME", // unrecognized scheme.
"INVALIDSCHEME foopy:10", // unrecognized scheme.
"HTTP foopy:10", // http scheme should be "PROXY"
};
for (const char* test : tests) {
SCOPED_TRACE(test);
ProxyServer server = PacResultElementToProxyServer(test);
EXPECT_FALSE(server.is_valid());
// TODO(https://crbug.com/1491092): Split this into a new test when
// `PacResultElementToProxyChain()` does more than just wrap
// `PacResultElementToProxyServer()`.
ProxyChain chain = PacResultElementToProxyChain(test);
EXPECT_FALSE(chain.IsValid());
}
}
} // namespace
} // namespace net
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