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1 | /** @file |
2 | * @brief EASYDNS Service class implementation. This class represents the EASYDNS service. | |
3 | * | |
4 | * | |
5 | * | |
6 | * @copyright Intra2net AG | |
7 | * @license GPLv2 | |
8 | */ | |
9 | ||
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10 | #include "service_easydns.hpp" |
11 | #include "util.hpp" | |
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12 | |
13 | #include <time.h> | |
14 | #include <boost/foreach.hpp> | |
15 | #include <boost/algorithm/string.hpp> | |
16 | ||
17 | namespace ba = boost::algorithm; | |
18 | ||
19 | using namespace std; | |
20 | ||
21 | ||
22 | /** | |
23 | * Default Constructor, needed for object serialization. | |
24 | */ | |
629d8110 | 25 | ServiceEasydns::ServiceEasydns() |
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26 | { |
27 | } | |
28 | ||
29 | ||
30 | /** | |
31 | * Constructor. | |
32 | * @param _hostname The hostname to update | |
33 | * @param _login The login name. | |
34 | * @param _password The corresponding password. | |
35 | */ | |
629d8110 | 36 | ServiceEasydns::ServiceEasydns(const string& _protocol, const string& _hostname, const string& _login, const string& _password, const Logger::Ptr& _logger, const int _update_interval, const int _max_updates_within_interval, const int _dns_cache_ttl, const string& _proxy, const int _proxy_port) |
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37 | { |
38 | if ( _update_interval == -1 ) // If _update_interval is default po::option_desc (not specified via config) | |
39 | set_update_interval(10); // use default protocol value | |
40 | else | |
41 | set_update_interval(_update_interval); | |
42 | ||
43 | if ( _max_updates_within_interval == -1 ) | |
44 | set_max_updates_within_interval(1); | |
45 | else | |
46 | set_max_updates_within_interval(_max_updates_within_interval); | |
47 | ||
48 | if ( _dns_cache_ttl == -1 ) | |
49 | set_dns_cache_ttl(1200); | |
50 | else | |
51 | set_dns_cache_ttl(_dns_cache_ttl); | |
52 | ||
53 | set_protocol(_protocol); | |
54 | set_hostname(_hostname); | |
55 | set_login(_login); | |
56 | set_password(_password); | |
57 | set_logger(_logger); | |
58 | ||
59 | // create http helper class | |
ce70569b | 60 | HTTPHelp = HTTPHelper::Ptr(new HTTPHelper(_logger,_proxy,_proxy_port,_login,_password)); |
31af6a2e | 61 | |
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62 | // extract domain part from hostname |
63 | list<string> host_domain_part = separate_domain_and_host_part(get_hostname()); | |
64 | ||
65 | string two_level_tld = get_two_level_tld(host_domain_part.back()); | |
66 | if ( !two_level_tld.empty() ) | |
67 | BaseUrl = assemble_base_url(get_hostname(),two_level_tld); | |
68 | else | |
69 | BaseUrl = assemble_base_url(get_hostname(),""); | |
70 | } | |
71 | ||
72 | ||
73 | /** | |
74 | * Default destructor | |
75 | */ | |
629d8110 | 76 | ServiceEasydns::~ServiceEasydns() |
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77 | { |
78 | } | |
79 | ||
80 | ||
81 | /** | |
82 | * Tries to extract the two_level domain part if there is one | |
83 | * @param domain_part The complete domain part. | |
84 | * @return Two_level_domain part if there is one or "" if not so. | |
85 | */ | |
629d8110 | 86 | string ServiceEasydns::get_two_level_tld(const string& domain_part) const |
089a7152 | 87 | { |
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88 | // split the domain_part |
89 | list<string> domain_tokens; | |
90 | ba::split(domain_tokens,domain_part,boost::is_any_of(".")); | |
91 | ||
92 | domain_tokens.pop_front(); | |
93 | ||
94 | if ( domain_tokens.size() > 1 ) | |
95 | { | |
96 | string two_level_tld = domain_tokens.front(); | |
97 | domain_tokens.pop_front(); | |
98 | ||
99 | BOOST_FOREACH(string domain_part, domain_tokens) | |
100 | { | |
101 | two_level_tld.append("."); | |
102 | two_level_tld.append(domain_part); | |
103 | } | |
104 | ||
105 | return two_level_tld; | |
106 | } | |
107 | else | |
108 | { | |
109 | return ""; | |
110 | } | |
111 | } | |
112 | ||
113 | ||
114 | /** | |
115 | * Assemble the easydns update url from the given hostname and domain part | |
116 | * @param hostname The hostname to update IP for. | |
117 | * @param domain_part The domain_part in which the hostname is located. | |
118 | * @return The assembled update url without IP. | |
119 | */ | |
629d8110 | 120 | string ServiceEasydns::assemble_base_url(const string& hostname, const string& two_level_tld) const |
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121 | { |
122 | string base_url; | |
123 | if ( !two_level_tld.empty() ) | |
124 | { | |
125 | base_url = "https://members.easydns.com"; | |
126 | base_url.append("/dyn/dyndns.php?hostname="); | |
127 | base_url.append(hostname); | |
128 | base_url.append("&tld="); | |
129 | base_url.append(two_level_tld); | |
130 | base_url.append("&myip="); | |
131 | } | |
132 | else | |
133 | { | |
134 | base_url = "https://members.easydns.com"; | |
135 | base_url.append("/dyn/dyndns.php?hostname="); | |
136 | base_url.append(hostname); | |
137 | base_url.append("&myip="); | |
138 | } | |
139 | return base_url; | |
140 | } | |
141 | ||
142 | ||
143 | /** | |
144 | * Separates the hostname from the domain part. | |
145 | * @param fqdn Hostname with domain part. | |
146 | * @return A list with 2 elements (first element is the hostname, second element the domain part), or a list with 1 element if the domain part couldn't be determined. | |
147 | */ | |
629d8110 | 148 | list<string> ServiceEasydns::separate_domain_and_host_part(const string& fqdn) const |
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149 | { |
150 | list<string> splitted; | |
151 | ba::split(splitted,fqdn,boost::is_any_of(".")); | |
152 | ||
153 | if ( splitted.size() > 1 ) | |
154 | { | |
155 | string host = splitted.front(); | |
156 | splitted.pop_front(); | |
157 | ||
158 | string domain = splitted.front(); | |
159 | splitted.pop_front(); | |
160 | ||
161 | BOOST_FOREACH(string domain_part, splitted) | |
162 | { | |
163 | domain.append("."); | |
164 | domain.append(domain_part); | |
165 | } | |
166 | ||
167 | splitted.clear(); | |
168 | splitted.push_back(host); | |
169 | splitted.push_back(domain); | |
170 | } | |
171 | ||
172 | return splitted; | |
173 | } | |
174 | ||
175 | ||
176 | /** | |
177 | * Performs the Service update. | |
178 | * @param ip IP Address to set. | |
179 | * @return 0 if all is fine, -1 otherwise. | |
180 | */ | |
629d8110 | 181 | int ServiceEasydns::perform_update(const std::string& ip) |
089a7152 | 182 | { |
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183 | string url = BaseUrl; |
184 | url.append(ip); | |
185 | ||
08a5a621 | 186 | if ( HTTPHelp->is_initialized() ) |
089a7152 | 187 | { |
31af6a2e | 188 | long http_status_code = HTTPHelp->http_get(url); |
089a7152 | 189 | |
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190 | get_logger()->print_http_status_code(url,http_status_code); |
191 | ||
192 | // HTTP operation completed successful. | |
193 | // Now we have to parse the data received by curl, | |
194 | // cause http status code is not significant for easydns update errors | |
195 | if ( http_status_code == 200 ) | |
a78b44b5 | 196 | { |
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197 | // Get the received http data. |
198 | string curl_data = HTTPHelp->get_curl_data(); | |
199 | string status_code = Util::parse_status_code(curl_data,"\n"); | |
200 | ||
201 | if ( status_code == "NOERROR" ) | |
202 | { | |
203 | return 0; | |
204 | } | |
205 | else if ( status_code == "NOACCESS" ) | |
206 | { | |
207 | get_logger()->print_service_not_authorized(url,get_login(),get_password()); | |
208 | } | |
209 | else | |
210 | { | |
211 | get_logger()->print_update_failure(url, curl_data); | |
212 | } | |
a78b44b5 | 213 | } |
089a7152 | 214 | else |
a78b44b5 | 215 | { |
31af6a2e | 216 | get_logger()->print_update_failure(url,http_status_code); |
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217 | } |
218 | } | |
219 | else | |
220 | { | |
e8787e2e | 221 | get_logger()->print_httphelper_not_initialized(); |
e417b034 | 222 | HTTPHelp->re_initialize(); |
089a7152 | 223 | } |
a78b44b5 | 224 | return -1; |
089a7152 | 225 | } |