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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 | */ | |
4553e833 | 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 _max_equal_updates_in_succession, 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) | |
5b52ac67 | 39 | set_update_interval(12); // use default protocol value |
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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 | ||
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48 | if ( _max_equal_updates_in_succession == -1 ) |
49 | set_max_equal_updates_in_succession(2); | |
50 | else | |
51 | set_max_equal_updates_in_succession(_max_equal_updates_in_succession); | |
52 | ||
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53 | if ( _dns_cache_ttl == -1 ) |
54 | set_dns_cache_ttl(1200); | |
55 | else | |
56 | set_dns_cache_ttl(_dns_cache_ttl); | |
57 | ||
58 | set_protocol(_protocol); | |
59 | set_hostname(_hostname); | |
60 | set_login(_login); | |
61 | set_password(_password); | |
62 | set_logger(_logger); | |
63 | ||
64 | // create http helper class | |
ce70569b | 65 | HTTPHelp = HTTPHelper::Ptr(new HTTPHelper(_logger,_proxy,_proxy_port,_login,_password)); |
31af6a2e | 66 | |
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67 | // extract domain part from hostname |
68 | list<string> host_domain_part = separate_domain_and_host_part(get_hostname()); | |
69 | ||
70 | string two_level_tld = get_two_level_tld(host_domain_part.back()); | |
71 | if ( !two_level_tld.empty() ) | |
72 | BaseUrl = assemble_base_url(get_hostname(),two_level_tld); | |
73 | else | |
74 | BaseUrl = assemble_base_url(get_hostname(),""); | |
75 | } | |
76 | ||
77 | ||
78 | /** | |
79 | * Default destructor | |
80 | */ | |
629d8110 | 81 | ServiceEasydns::~ServiceEasydns() |
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82 | { |
83 | } | |
84 | ||
85 | ||
86 | /** | |
87 | * Tries to extract the two_level domain part if there is one | |
88 | * @param domain_part The complete domain part. | |
89 | * @return Two_level_domain part if there is one or "" if not so. | |
90 | */ | |
629d8110 | 91 | string ServiceEasydns::get_two_level_tld(const string& domain_part) const |
089a7152 | 92 | { |
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93 | // split the domain_part |
94 | list<string> domain_tokens; | |
95 | ba::split(domain_tokens,domain_part,boost::is_any_of(".")); | |
96 | ||
97 | domain_tokens.pop_front(); | |
98 | ||
99 | if ( domain_tokens.size() > 1 ) | |
100 | { | |
101 | string two_level_tld = domain_tokens.front(); | |
102 | domain_tokens.pop_front(); | |
103 | ||
104 | BOOST_FOREACH(string domain_part, domain_tokens) | |
105 | { | |
106 | two_level_tld.append("."); | |
107 | two_level_tld.append(domain_part); | |
108 | } | |
109 | ||
110 | return two_level_tld; | |
111 | } | |
112 | else | |
113 | { | |
114 | return ""; | |
115 | } | |
116 | } | |
117 | ||
118 | ||
119 | /** | |
120 | * Assemble the easydns update url from the given hostname and domain part | |
121 | * @param hostname The hostname to update IP for. | |
122 | * @param domain_part The domain_part in which the hostname is located. | |
123 | * @return The assembled update url without IP. | |
124 | */ | |
629d8110 | 125 | string ServiceEasydns::assemble_base_url(const string& hostname, const string& two_level_tld) const |
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126 | { |
127 | string base_url; | |
128 | if ( !two_level_tld.empty() ) | |
129 | { | |
130 | base_url = "https://members.easydns.com"; | |
131 | base_url.append("/dyn/dyndns.php?hostname="); | |
132 | base_url.append(hostname); | |
133 | base_url.append("&tld="); | |
134 | base_url.append(two_level_tld); | |
135 | base_url.append("&myip="); | |
136 | } | |
137 | else | |
138 | { | |
139 | base_url = "https://members.easydns.com"; | |
140 | base_url.append("/dyn/dyndns.php?hostname="); | |
141 | base_url.append(hostname); | |
142 | base_url.append("&myip="); | |
143 | } | |
144 | return base_url; | |
145 | } | |
146 | ||
147 | ||
148 | /** | |
149 | * Separates the hostname from the domain part. | |
150 | * @param fqdn Hostname with domain part. | |
151 | * @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. | |
152 | */ | |
629d8110 | 153 | list<string> ServiceEasydns::separate_domain_and_host_part(const string& fqdn) const |
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154 | { |
155 | list<string> splitted; | |
156 | ba::split(splitted,fqdn,boost::is_any_of(".")); | |
157 | ||
158 | if ( splitted.size() > 1 ) | |
159 | { | |
160 | string host = splitted.front(); | |
161 | splitted.pop_front(); | |
162 | ||
163 | string domain = splitted.front(); | |
164 | splitted.pop_front(); | |
165 | ||
166 | BOOST_FOREACH(string domain_part, splitted) | |
167 | { | |
168 | domain.append("."); | |
169 | domain.append(domain_part); | |
170 | } | |
171 | ||
172 | splitted.clear(); | |
173 | splitted.push_back(host); | |
174 | splitted.push_back(domain); | |
175 | } | |
176 | ||
177 | return splitted; | |
178 | } | |
179 | ||
180 | ||
181 | /** | |
182 | * Performs the Service update. | |
183 | * @param ip IP Address to set. | |
184 | * @return 0 if all is fine, -1 otherwise. | |
185 | */ | |
d008afbe | 186 | Service::UpdateErrorCode ServiceEasydns::perform_update(const std::string& ip) |
089a7152 | 187 | { |
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188 | string url = BaseUrl; |
189 | url.append(ip); | |
190 | ||
08a5a621 | 191 | if ( HTTPHelp->is_initialized() ) |
089a7152 | 192 | { |
31af6a2e | 193 | long http_status_code = HTTPHelp->http_get(url); |
089a7152 | 194 | |
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195 | get_logger()->print_http_status_code(url,http_status_code); |
196 | ||
197 | // HTTP operation completed successful. | |
198 | // Now we have to parse the data received by curl, | |
199 | // cause http status code is not significant for easydns update errors | |
200 | if ( http_status_code == 200 ) | |
a78b44b5 | 201 | { |
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202 | // Get the received http data. |
203 | string curl_data = HTTPHelp->get_curl_data(); | |
204 | string status_code = Util::parse_status_code(curl_data,"\n"); | |
205 | ||
206 | if ( status_code == "NOERROR" ) | |
207 | { | |
d008afbe | 208 | return UpdateOk; |
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209 | } |
210 | else if ( status_code == "NOACCESS" ) | |
211 | { | |
212 | get_logger()->print_service_not_authorized(url,get_login(),get_password()); | |
213 | } | |
214 | else | |
215 | { | |
216 | get_logger()->print_update_failure(url, curl_data); | |
217 | } | |
a78b44b5 | 218 | } |
089a7152 | 219 | else |
a78b44b5 | 220 | { |
31af6a2e | 221 | get_logger()->print_update_failure(url,http_status_code); |
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222 | } |
223 | } | |
224 | else | |
225 | { | |
e8787e2e | 226 | get_logger()->print_httphelper_not_initialized(); |
e417b034 | 227 | HTTPHelp->re_initialize(); |
089a7152 | 228 | } |
d008afbe TJ |
229 | |
230 | return GenericError; | |
089a7152 | 231 | } |