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f22ab085 | 1 | #!/usr/bin/python |
3fdcb9d1 MT |
2 | ############################################################################### |
3 | # # | |
4 | # ddns - A dynamic DNS client for IPFire # | |
5 | # Copyright (C) 2012 IPFire development team # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
f22ab085 MT |
21 | |
22 | import logging | |
23 | import logging.handlers | |
24 | import ConfigParser | |
25 | ||
26 | from i18n import _ | |
27 | ||
28 | logger = logging.getLogger("ddns.core") | |
29 | logger.propagate = 1 | |
30 | ||
31 | from .providers import * | |
32 | from .system import DDNSSystem | |
33 | ||
34 | # Setup the logger. | |
35 | def setup_logging(): | |
36 | rootlogger = logging.getLogger("ddns") | |
4bba8ae2 | 37 | rootlogger.setLevel(logging.INFO) |
f22ab085 MT |
38 | |
39 | # Setup a logger that logs to syslog. | |
5ad24917 MT |
40 | handler = logging.handlers.SysLogHandler(address="/dev/log", |
41 | facility=logging.handlers.SysLogHandler.LOG_DAEMON | |
42 | ) | |
43 | handler.setLevel(logging.INFO) | |
44 | rootlogger.addHandler(handler) | |
f22ab085 MT |
45 | |
46 | handler = logging.StreamHandler() | |
47 | rootlogger.addHandler(handler) | |
48 | ||
49 | setup_logging() | |
50 | ||
51 | class DDNSCore(object): | |
52 | def __init__(self, debug=False): | |
53 | # In debug mode, enable debug logging. | |
54 | if debug: | |
87649e22 MT |
55 | rootlogger = logging.getLogger("ddns") |
56 | rootlogger.setLevel(logging.DEBUG) | |
57 | for handler in rootlogger.handlers: | |
58 | handler.setLevel(logging.DEBUG) | |
59 | ||
4bba8ae2 | 60 | logger.debug(_("Debugging mode enabled")) |
f22ab085 MT |
61 | |
62 | # Initialize the settings array. | |
63 | self.settings = {} | |
64 | ||
65 | # Dict with all providers, that are supported. | |
66 | self.providers = {} | |
67 | self.register_all_providers() | |
68 | ||
69 | # List of configuration entries. | |
70 | self.entries = [] | |
71 | ||
72 | # Add the system class. | |
73 | self.system = DDNSSystem(self) | |
74 | ||
75 | def register_provider(self, provider): | |
76 | """ | |
77 | Registers a new provider. | |
78 | """ | |
79 | assert issubclass(provider, DDNSProvider) | |
80 | ||
81 | provider_handle = provider.INFO.get("handle") | |
82 | assert provider_handle | |
83 | ||
84 | assert not self.providers.has_key(provider_handle), \ | |
85 | "Provider '%s' has already been registered" % provider_handle | |
86 | ||
87 | provider_name = provider.INFO.get("name") | |
88 | assert provider_name | |
89 | ||
90 | logger.debug("Registered new provider: %s (%s)" % (provider_name, provider_handle)) | |
91 | self.providers[provider_handle] = provider | |
92 | ||
93 | def register_all_providers(self): | |
94 | """ | |
95 | Simply registers all providers. | |
96 | """ | |
97 | for provider in ( | |
3b16fdb1 | 98 | DDNSProviderAllInkl, |
f3cf1f70 | 99 | DDNSProviderDHS, |
39301272 | 100 | DDNSProviderDNSpark, |
43b2cd59 | 101 | DDNSProviderDtDNS, |
bfed6701 | 102 | DDNSProviderDynDNS, |
3a8407fa | 103 | DDNSProviderDynU, |
ee071271 | 104 | DDNSProviderEasyDNS, |
aa21a4c6 | 105 | DDNSProviderFreeDNSAfraidOrg, |
d1cd57eb | 106 | DDNSProviderNamecheap, |
f22ab085 | 107 | DDNSProviderNOIP, |
a36d8df8 | 108 | DDNSProviderLightningWireLabs, |
a508bda6 | 109 | DDNSProviderOVH, |
ef33455e | 110 | DDNSProviderRegfish, |
f22ab085 | 111 | DDNSProviderSelfhost, |
b09b1545 | 112 | DDNSProviderSPDNS, |
7488825c | 113 | DDNSProviderStrato, |
a6183090 | 114 | DDNSProviderTwoDNS, |
03bdd188 | 115 | DDNSProviderUdmedia, |
c8c7ca8f | 116 | DDNSProviderVariomedia, |
98fbe467 | 117 | DDNSProviderZoneedit, |
f22ab085 MT |
118 | ): |
119 | self.register_provider(provider) | |
120 | ||
2dae4713 MT |
121 | def get_provider_names(self): |
122 | """ | |
123 | Returns a list of names of all registered providers. | |
124 | """ | |
125 | return sorted(self.providers.keys()) | |
126 | ||
f22ab085 | 127 | def load_configuration(self, filename): |
332fd7cc MT |
128 | logger.debug(_("Loading configuration file %s") % filename) |
129 | ||
f22ab085 MT |
130 | configs = ConfigParser.SafeConfigParser() |
131 | configs.read([filename,]) | |
132 | ||
133 | # First apply all global configuration settings. | |
134 | for k, v in configs.items("config"): | |
135 | self.settings[k] = v | |
136 | ||
137 | for entry in configs.sections(): | |
138 | # Skip the special config section. | |
139 | if entry == "config": | |
140 | continue | |
141 | ||
142 | settings = {} | |
143 | for k, v in configs.items(entry): | |
144 | settings[k] = v | |
145 | settings["hostname"] = entry | |
146 | ||
147 | # Get the name of the provider. | |
148 | provider = settings.get("provider", None) | |
149 | if not provider: | |
150 | logger.warning("Entry '%s' lacks a provider setting. Skipping." % entry) | |
151 | continue | |
152 | ||
153 | # Try to find the provider with the wanted name. | |
154 | try: | |
155 | provider = self.providers[provider] | |
156 | except KeyError: | |
157 | logger.warning("Could not find provider '%s' for entry '%s'." % (provider, entry)) | |
158 | continue | |
159 | ||
160 | # Create an instance of the provider object with settings from the | |
161 | # configuration file. | |
162 | entry = provider(self, **settings) | |
163 | ||
164 | # Add new entry to list (if not already exists). | |
165 | if not entry in self.entries: | |
166 | self.entries.append(entry) | |
167 | ||
1b8c6925 MT |
168 | def updateone(self, hostname, **kwargs): |
169 | for entry in self.entries: | |
170 | if not entry.hostname == hostname: | |
171 | continue | |
172 | ||
173 | return self._update(entry, **kwargs) | |
174 | ||
175 | raise DDNSHostNotFoundError(hostname) | |
176 | ||
177 | def updateall(self, **kwargs): | |
178 | """ | |
179 | Update all configured entries. | |
180 | """ | |
f22ab085 MT |
181 | # If there are no entries, there is nothing to do. |
182 | if not self.entries: | |
183 | logger.debug(_("Found no entries in the configuration file. Exiting.")) | |
184 | return | |
185 | ||
f22ab085 | 186 | for entry in self.entries: |
1b8c6925 | 187 | self._update(entry, **kwargs) |
f22ab085 | 188 | |
1b8c6925 | 189 | def _update(self, entry, force=False): |
f22ab085 | 190 | try: |
9da3e685 | 191 | entry(force=force) |
f22ab085 | 192 | |
4689f5d3 | 193 | except DDNSError, e: |
f22ab085 MT |
194 | logger.error(_("Dynamic DNS update for %(hostname)s (%(provider)s) failed:") % \ |
195 | { "hostname" : entry.hostname, "provider" : entry.name }) | |
4689f5d3 MT |
196 | logger.error(" %s: %s" % (e.__class__.__name__, e.reason)) |
197 | if e.message: | |
198 | logger.error(" %s" % e.message) | |
f22ab085 MT |
199 | |
200 | except Exception, e: | |
201 | logger.error(_("Dynamic DNS update for %(hostname)s (%(provider)s) throwed an unhandled exception:") % \ | |
708da5a4 | 202 | { "hostname" : entry.hostname, "provider" : entry.name }, exc_info=True) |
f22ab085 | 203 | |
cbebe191 MT |
204 | else: |
205 | logger.info(_("Dynamic DNS update for %(hostname)s (%(provider)s) successful") % \ | |
206 | { "hostname" : entry.hostname, "provider" : entry.name }) |