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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "net/base/host_mapping_rules.h" | 5 #include "net/base/host_mapping_rules.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "base/strings/pattern.h" |
8 #include "base/strings/string_split.h" | 9 #include "base/strings/string_split.h" |
9 #include "base/strings/string_tokenizer.h" | 10 #include "base/strings/string_tokenizer.h" |
10 #include "base/strings/string_util.h" | 11 #include "base/strings/string_util.h" |
11 #include "net/base/host_port_pair.h" | 12 #include "net/base/host_port_pair.h" |
12 #include "net/base/net_util.h" | 13 #include "net/base/net_util.h" |
13 | 14 |
14 namespace net { | 15 namespace net { |
15 | 16 |
16 struct HostMappingRules::MapRule { | 17 struct HostMappingRules::MapRule { |
17 MapRule() : replacement_port(-1) {} | 18 MapRule() : replacement_port(-1) {} |
18 | 19 |
19 std::string hostname_pattern; | 20 std::string hostname_pattern; |
20 std::string replacement_hostname; | 21 std::string replacement_hostname; |
21 int replacement_port; | 22 int replacement_port; |
22 }; | 23 }; |
23 | 24 |
24 struct HostMappingRules::ExclusionRule { | 25 struct HostMappingRules::ExclusionRule { |
25 std::string hostname_pattern; | 26 std::string hostname_pattern; |
26 }; | 27 }; |
27 | 28 |
28 HostMappingRules::HostMappingRules() {} | 29 HostMappingRules::HostMappingRules() {} |
29 | 30 |
30 HostMappingRules::~HostMappingRules() {} | 31 HostMappingRules::~HostMappingRules() {} |
31 | 32 |
32 bool HostMappingRules::RewriteHost(HostPortPair* host_port) const { | 33 bool HostMappingRules::RewriteHost(HostPortPair* host_port) const { |
33 // Check if the hostname was excluded. | 34 // Check if the hostname was excluded. |
34 for (ExclusionRuleList::const_iterator it = exclusion_rules_.begin(); | 35 for (ExclusionRuleList::const_iterator it = exclusion_rules_.begin(); |
35 it != exclusion_rules_.end(); ++it) { | 36 it != exclusion_rules_.end(); ++it) { |
36 const ExclusionRule& rule = *it; | 37 const ExclusionRule& rule = *it; |
37 if (MatchPattern(host_port->host(), rule.hostname_pattern)) | 38 if (base::MatchPattern(host_port->host(), rule.hostname_pattern)) |
38 return false; | 39 return false; |
39 } | 40 } |
40 | 41 |
41 // Check if the hostname was remapped. | 42 // Check if the hostname was remapped. |
42 for (MapRuleList::const_iterator it = map_rules_.begin(); | 43 for (MapRuleList::const_iterator it = map_rules_.begin(); |
43 it != map_rules_.end(); ++it) { | 44 it != map_rules_.end(); ++it) { |
44 const MapRule& rule = *it; | 45 const MapRule& rule = *it; |
45 | 46 |
46 // The rule's hostname_pattern will be something like: | 47 // The rule's hostname_pattern will be something like: |
47 // www.foo.com | 48 // www.foo.com |
48 // *.foo.com | 49 // *.foo.com |
49 // www.foo.com:1234 | 50 // www.foo.com:1234 |
50 // *.foo.com:1234 | 51 // *.foo.com:1234 |
51 // First, we'll check for a match just on hostname. | 52 // First, we'll check for a match just on hostname. |
52 // If that fails, we'll check for a match with both hostname and port. | 53 // If that fails, we'll check for a match with both hostname and port. |
53 if (!MatchPattern(host_port->host(), rule.hostname_pattern)) { | 54 if (!base::MatchPattern(host_port->host(), rule.hostname_pattern)) { |
54 std::string host_port_string = host_port->ToString(); | 55 std::string host_port_string = host_port->ToString(); |
55 if (!MatchPattern(host_port_string, rule.hostname_pattern)) | 56 if (!base::MatchPattern(host_port_string, rule.hostname_pattern)) |
56 continue; // This rule doesn't apply. | 57 continue; // This rule doesn't apply. |
57 } | 58 } |
58 | 59 |
59 host_port->set_host(rule.replacement_hostname); | 60 host_port->set_host(rule.replacement_hostname); |
60 if (rule.replacement_port != -1) | 61 if (rule.replacement_port != -1) |
61 host_port->set_port(static_cast<uint16>(rule.replacement_port)); | 62 host_port->set_port(static_cast<uint16>(rule.replacement_port)); |
62 return true; | 63 return true; |
63 } | 64 } |
64 | 65 |
65 return false; | 66 return false; |
66 } | 67 } |
67 | 68 |
68 bool HostMappingRules::AddRuleFromString(const std::string& rule_string) { | 69 bool HostMappingRules::AddRuleFromString(const std::string& rule_string) { |
69 std::string trimmed; | 70 std::string trimmed; |
70 base::TrimWhitespaceASCII(rule_string, base::TRIM_ALL, &trimmed); | 71 base::TrimWhitespaceASCII(rule_string, base::TRIM_ALL, &trimmed); |
71 std::vector<std::string> parts; | 72 std::vector<std::string> parts; |
72 base::SplitString(trimmed, ' ', &parts); | 73 base::SplitString(trimmed, ' ', &parts); |
73 | 74 |
74 // Test for EXCLUSION rule. | 75 // Test for EXCLUSION rule. |
75 if (parts.size() == 2 && LowerCaseEqualsASCII(parts[0], "exclude")) { | 76 if (parts.size() == 2 && base::LowerCaseEqualsASCII(parts[0], "exclude")) { |
76 ExclusionRule rule; | 77 ExclusionRule rule; |
77 rule.hostname_pattern = base::StringToLowerASCII(parts[1]); | 78 rule.hostname_pattern = base::StringToLowerASCII(parts[1]); |
78 exclusion_rules_.push_back(rule); | 79 exclusion_rules_.push_back(rule); |
79 return true; | 80 return true; |
80 } | 81 } |
81 | 82 |
82 // Test for MAP rule. | 83 // Test for MAP rule. |
83 if (parts.size() == 3 && LowerCaseEqualsASCII(parts[0], "map")) { | 84 if (parts.size() == 3 && base::LowerCaseEqualsASCII(parts[0], "map")) { |
84 MapRule rule; | 85 MapRule rule; |
85 rule.hostname_pattern = base::StringToLowerASCII(parts[1]); | 86 rule.hostname_pattern = base::StringToLowerASCII(parts[1]); |
86 | 87 |
87 if (!ParseHostAndPort(parts[2], &rule.replacement_hostname, | 88 if (!ParseHostAndPort(parts[2], &rule.replacement_hostname, |
88 &rule.replacement_port)) { | 89 &rule.replacement_port)) { |
89 return false; // Failed parsing the hostname/port. | 90 return false; // Failed parsing the hostname/port. |
90 } | 91 } |
91 | 92 |
92 map_rules_.push_back(rule); | 93 map_rules_.push_back(rule); |
93 return true; | 94 return true; |
94 } | 95 } |
95 | 96 |
96 return false; | 97 return false; |
97 } | 98 } |
98 | 99 |
99 void HostMappingRules::SetRulesFromString(const std::string& rules_string) { | 100 void HostMappingRules::SetRulesFromString(const std::string& rules_string) { |
100 exclusion_rules_.clear(); | 101 exclusion_rules_.clear(); |
101 map_rules_.clear(); | 102 map_rules_.clear(); |
102 | 103 |
103 base::StringTokenizer rules(rules_string, ","); | 104 base::StringTokenizer rules(rules_string, ","); |
104 while (rules.GetNext()) { | 105 while (rules.GetNext()) { |
105 bool ok = AddRuleFromString(rules.token()); | 106 bool ok = AddRuleFromString(rules.token()); |
106 LOG_IF(ERROR, !ok) << "Failed parsing rule: " << rules.token(); | 107 LOG_IF(ERROR, !ok) << "Failed parsing rule: " << rules.token(); |
107 } | 108 } |
108 } | 109 } |
109 | 110 |
110 } // namespace net | 111 } // namespace net |
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