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// Copyright 2010 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/host_mapping_rules.h"
#include <string.h>
#include "net/base/host_port_pair.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
#include "url/third_party/mozilla/url_parse.h"
#include "url/url_canon.h"
#include "url/url_util.h"
namespace net {
namespace {
TEST(HostMappingRulesTest, SetRulesFromString) {
HostMappingRules rules;
rules.SetRulesFromString(
"map *.com baz , map *.net bar:60, EXCLUDE *.foo.com");
HostPortPair host_port("test", 1234);
EXPECT_FALSE(rules.RewriteHost(&host_port));
EXPECT_EQ("test", host_port.host());
EXPECT_EQ(1234u, host_port.port());
host_port = HostPortPair("chrome.net", 80);
EXPECT_TRUE(rules.RewriteHost(&host_port));
EXPECT_EQ("bar", host_port.host());
EXPECT_EQ(60u, host_port.port());
host_port = HostPortPair("crack.com", 80);
EXPECT_TRUE(rules.RewriteHost(&host_port));
EXPECT_EQ("baz", host_port.host());
EXPECT_EQ(80u, host_port.port());
host_port = HostPortPair("wtf.foo.com", 666);
EXPECT_FALSE(rules.RewriteHost(&host_port));
EXPECT_EQ("wtf.foo.com", host_port.host());
EXPECT_EQ(666u, host_port.port());
}
TEST(HostMappingRulesTest, PortSpecificMatching) {
HostMappingRules rules;
rules.SetRulesFromString(
"map *.com:80 baz:111 , map *.com:443 blat:333, EXCLUDE *.foo.com");
// No match
HostPortPair host_port("test.com", 1234);
EXPECT_FALSE(rules.RewriteHost(&host_port));
EXPECT_EQ("test.com", host_port.host());
EXPECT_EQ(1234u, host_port.port());
// Match port 80
host_port = HostPortPair("crack.com", 80);
EXPECT_TRUE(rules.RewriteHost(&host_port));
EXPECT_EQ("baz", host_port.host());
EXPECT_EQ(111u, host_port.port());
// Match port 443
host_port = HostPortPair("wtf.com", 443);
EXPECT_TRUE(rules.RewriteHost(&host_port));
EXPECT_EQ("blat", host_port.host());
EXPECT_EQ(333u, host_port.port());
// Match port 443, but excluded.
host_port = HostPortPair("wtf.foo.com", 443);
EXPECT_FALSE(rules.RewriteHost(&host_port));
EXPECT_EQ("wtf.foo.com", host_port.host());
EXPECT_EQ(443u, host_port.port());
}
// Parsing bad rules should silently discard the rule (and never crash).
TEST(HostMappingRulesTest, ParseInvalidRules) {
HostMappingRules rules;
EXPECT_FALSE(rules.AddRuleFromString("xyz"));
EXPECT_FALSE(rules.AddRuleFromString(std::string()));
EXPECT_FALSE(rules.AddRuleFromString(" "));
EXPECT_FALSE(rules.AddRuleFromString("EXCLUDE"));
EXPECT_FALSE(rules.AddRuleFromString("EXCLUDE foo bar"));
EXPECT_FALSE(rules.AddRuleFromString("INCLUDE"));
EXPECT_FALSE(rules.AddRuleFromString("INCLUDE x"));
EXPECT_FALSE(rules.AddRuleFromString("INCLUDE x :10"));
}
TEST(HostMappingRulesTest, RewritesUrl) {
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test replacement.test:1000");
GURL url("http://initial.test:111");
EXPECT_EQ(rules.RewriteUrl(url), HostMappingRules::RewriteResult::kRewritten);
EXPECT_EQ(url, GURL("http://replacement.test:1000"));
}
TEST(HostMappingRulesTest, RewritesUrlToIpv6Literal) {
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test [2345:6789::0abc]:1112");
GURL url("http://initial.test:111");
EXPECT_EQ(rules.RewriteUrl(url), HostMappingRules::RewriteResult::kRewritten);
EXPECT_EQ(url, GURL("http://[2345:6789::0abc]:1112"));
}
TEST(HostMappingRulesTest, RewritesUrlPreservingScheme) {
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test replacement.test:1000");
GURL url("wss://initial.test:222");
EXPECT_EQ(rules.RewriteUrl(url), HostMappingRules::RewriteResult::kRewritten);
EXPECT_EQ(url, GURL("wss://replacement.test:1000"));
}
TEST(HostMappingRulesTest, RewritesFileUrl) {
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test replacement.test:1000");
// Expect replacement port to be ignored because file URLs do not use port.
GURL url("file://initial.test/file.txt");
ASSERT_EQ(url.EffectiveIntPort(), url::PORT_UNSPECIFIED);
EXPECT_EQ(rules.RewriteUrl(url), HostMappingRules::RewriteResult::kRewritten);
EXPECT_EQ(url, GURL("file://replacement.test/file.txt"));
EXPECT_EQ(url.EffectiveIntPort(), url::PORT_UNSPECIFIED);
}
TEST(HostMappingRulesTest, RewritesAnyStandardUrlWithPort) {
const char kScheme[] = "foo";
url::ScopedSchemeRegistryForTests scoped_registry;
AddStandardScheme(kScheme, url::SCHEME_WITH_HOST_AND_PORT);
ASSERT_TRUE(url::IsStandard(kScheme, url::Component(0, strlen(kScheme))));
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test replacement.test:1000");
GURL url("foo://initial.test:100");
EXPECT_EQ(rules.RewriteUrl(url), HostMappingRules::RewriteResult::kRewritten);
EXPECT_EQ(url, GURL("foo://replacement.test:1000"));
}
TEST(HostMappingRulesTest, RewritesAnyStandardUrlWithoutPort) {
const char kScheme[] = "foo";
url::ScopedSchemeRegistryForTests scoped_registry;
AddStandardScheme(kScheme, url::SCHEME_WITH_HOST);
ASSERT_TRUE(url::IsStandard(kScheme, url::Component(0, strlen(kScheme))));
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test replacement.test:1000");
// Expect replacement port to be ignored.
GURL url("foo://initial.test");
ASSERT_EQ(url.EffectiveIntPort(), url::PORT_UNSPECIFIED);
EXPECT_EQ(rules.RewriteUrl(url), HostMappingRules::RewriteResult::kRewritten);
EXPECT_EQ(url, GURL("foo://replacement.test"));
EXPECT_EQ(url.EffectiveIntPort(), url::PORT_UNSPECIFIED);
}
TEST(HostMappingRulesTest, IgnoresUnmappedUrls) {
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test replacement.test:1000");
GURL url("http://different.test:111");
EXPECT_EQ(rules.RewriteUrl(url),
HostMappingRules::RewriteResult::kNoMatchingRule);
EXPECT_EQ(url, GURL("http://different.test:111"));
}
TEST(HostMappingRulesTest, IgnoresInvalidReplacementUrls) {
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test invalid/url");
GURL url("http://initial.test");
EXPECT_EQ(rules.RewriteUrl(url),
HostMappingRules::RewriteResult::kInvalidRewrite);
EXPECT_EQ(url, GURL("http://initial.test"));
}
// Remapping to "^NOTFOUND" is documented as a special case for
// MappedHostResolver usage. Ensure that it is handled as invalid as expected.
TEST(HostMappingRulesTest, NotFoundIgnoredAsInvalidUrl) {
HostMappingRules rules;
rules.AddRuleFromString("MAP initial.test ^NOTFOUND");
GURL url("http://initial.test");
EXPECT_EQ(rules.RewriteUrl(url),
HostMappingRules::RewriteResult::kInvalidRewrite);
EXPECT_EQ(url, GURL("http://initial.test"));
}
} // namespace
} // namespace net
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