X-Git-Url: http://git.ipfire.org/?p=ddns.git;a=blobdiff_plain;f=src%2Fddns%2Fproviders.py;h=574e483bfcd96b63082b256a7b2d8df091ed8f9d;hp=919642fb0022d4dedb90458d0022835f44e1f198;hb=fb701db9e086a8904e584c122cadfd462580a524;hpb=68fce572223e618c85e2aba1f15b96f26d04db91 diff --git a/src/ddns/providers.py b/src/ddns/providers.py index 919642f..574e483 100644 --- a/src/ddns/providers.py +++ b/src/ddns/providers.py @@ -19,7 +19,12 @@ # # ############################################################################### +import datetime import logging +import os +import subprocess +import urllib2 +import xml.dom.minidom from i18n import _ @@ -29,25 +34,69 @@ from .errors import * logger = logging.getLogger("ddns.providers") logger.propagate = 1 +_providers = {} + +def get(): + """ + Returns a dict with all automatically registered providers. + """ + return _providers.copy() + class DDNSProvider(object): - INFO = { - # A short string that uniquely identifies - # this provider. - "handle" : None, + # A short string that uniquely identifies + # this provider. + handle = None - # The full name of the provider. - "name" : None, + # The full name of the provider. + name = None - # A weburl to the homepage of the provider. - # (Where to register a new account?) - "website" : None, + # A weburl to the homepage of the provider. + # (Where to register a new account?) + website = None - # A list of supported protocols. - "protocols" : ["ipv6", "ipv4"], - } + # A list of supported protocols. + protocols = ("ipv6", "ipv4") DEFAULT_SETTINGS = {} + # holdoff time - Number of days no update is performed unless + # the IP address has changed. + holdoff_days = 30 + + # holdoff time for update failures - Number of days no update + # is tried after the last one has failed. + holdoff_failure_days = 0.5 + + # True if the provider is able to remove records, too. + # Required to remove AAAA records if IPv6 is absent again. + can_remove_records = True + + # Automatically register all providers. + class __metaclass__(type): + def __init__(provider, name, bases, dict): + type.__init__(provider, name, bases, dict) + + # The main class from which is inherited is not registered + # as a provider. + if name == "DDNSProvider": + return + + if not all((provider.handle, provider.name, provider.website)): + raise DDNSError(_("Provider is not properly configured")) + + assert not _providers.has_key(provider.handle), \ + "Provider '%s' has already been registered" % provider.handle + + _providers[provider.handle] = provider + + @staticmethod + def supported(): + """ + Should be overwritten to check if the system the code is running + on has all the required tools to support this provider. + """ + return True + def __init__(self, core, **settings): self.core = core @@ -63,26 +112,8 @@ class DDNSProvider(object): return cmp(self.hostname, other.hostname) @property - def name(self): - """ - Returns the name of the provider. - """ - return self.INFO.get("name") - - @property - def website(self): - """ - Returns the website URL of the provider - or None if that is not available. - """ - return self.INFO.get("website", None) - - @property - def handle(self): - """ - Returns the handle of this provider. - """ - return self.INFO.get("handle") + def db(self): + return self.core.db def get(self, key, default=None): """ @@ -111,10 +142,6 @@ class DDNSProvider(object): """ return self.get("password") - @property - def protocols(self): - return self.INFO.get("protocols") - @property def token(self): """ @@ -124,20 +151,119 @@ class DDNSProvider(object): def __call__(self, force=False): if force: - logger.info(_("Updating %s forced") % self.hostname) + logger.debug(_("Updating %s forced") % self.hostname) - # Check if we actually need to update this host. - elif self.is_uptodate(self.protocols): - logger.info(_("%s is already up to date") % self.hostname) + # Do nothing if the last update has failed or no update is required + elif self.has_failure or not self.requires_update: return # Execute the update. - self.update() + try: + self.update() + + # 1) Catch network errors early, because we do not want to log + # them to the database. They are usually temporary and caused + # by the client side, so that we will retry quickly. + # 2) If there is an internet server error (HTTP code 500) on the + # provider's site, we will not log a failure and try again + # shortly. + except (DDNSNetworkError, DDNSInternalServerError): + raise + + # In case of any errors, log the failed request and + # raise the exception. + except DDNSError as e: + self.core.db.log_failure(self.hostname, e) + raise + + logger.info(_("Dynamic DNS update for %(hostname)s (%(provider)s) successful") % \ + { "hostname" : self.hostname, "provider" : self.name }) + self.core.db.log_success(self.hostname) def update(self): + for protocol in self.protocols: + if self.have_address(protocol): + self.update_protocol(protocol) + elif self.can_remove_records: + self.remove_protocol(protocol) + + def update_protocol(self, proto): + raise NotImplementedError + + def remove_protocol(self, proto): + if not self.can_remove_records: + raise RuntimeError, "can_remove_records is enabled, but remove_protocol() not implemented" + raise NotImplementedError - def is_uptodate(self, protos): + @property + def requires_update(self): + # If the IP addresses have changed, an update is required + if self.ip_address_changed(self.protocols): + logger.debug(_("An update for %(hostname)s (%(provider)s)" + " is performed because of an IP address change") % \ + { "hostname" : self.hostname, "provider" : self.name }) + + return True + + # If the holdoff time has expired, an update is required, too + if self.holdoff_time_expired(): + logger.debug(_("An update for %(hostname)s (%(provider)s)" + " is performed because the holdoff time has expired") % \ + { "hostname" : self.hostname, "provider" : self.name }) + + return True + + # Otherwise, we don't need to perform an update + logger.debug(_("No update required for %(hostname)s (%(provider)s)") % \ + { "hostname" : self.hostname, "provider" : self.name }) + + return False + + @property + def has_failure(self): + """ + Returns True when the last update has failed and no retry + should be performed, yet. + """ + last_status = self.db.last_update_status(self.hostname) + + # Return False if the last update has not failed. + if not last_status == "failure": + return False + + # If there is no holdoff time, we won't update ever again. + if self.holdoff_failure_days is None: + logger.warning(_("An update has not been performed because earlier updates failed for %s") \ + % self.hostname) + logger.warning(_("There will be no retries")) + + return True + + # Determine when the holdoff time ends + last_update = self.db.last_update(self.hostname, status=last_status) + holdoff_end = last_update + datetime.timedelta(days=self.holdoff_failure_days) + + now = datetime.datetime.utcnow() + if now < holdoff_end: + failure_message = self.db.last_update_failure_message(self.hostname) + + logger.warning(_("An update has not been performed because earlier updates failed for %s") \ + % self.hostname) + + if failure_message: + logger.warning(_("Last failure message:")) + + for line in failure_message.splitlines(): + logger.warning(" %s" % line) + + logger.warning(_("Further updates will be withheld until %s") % holdoff_end) + + return True + + return False + + def ip_address_changed(self, protos): """ Returns True if this host is already up to date and does not need to change the IP address on the @@ -145,13 +271,53 @@ class DDNSProvider(object): """ for proto in protos: addresses = self.core.system.resolve(self.hostname, proto) - current_address = self.get_address(proto) + # Handle if the system has not got any IP address from a protocol + # (i.e. had full dual-stack connectivity which it has not any more) + if current_address is None: + # If addresses still exists in the DNS system and if this provider + # is able to remove records, we will do that. + if addresses and self.can_remove_records: + return True + + # Otherwise, we cannot go on... + continue + if not current_address in addresses: - return False + return True - return True + return False + + def holdoff_time_expired(self): + """ + Returns true if the holdoff time has expired + and the host requires an update + """ + # If no holdoff days is defined, we cannot go on + if not self.holdoff_days: + return False + + # Get the timestamp of the last successfull update + last_update = self.db.last_update(self.hostname, status="success") + + # If no timestamp has been recorded, no update has been + # performed. An update should be performed now. + if not last_update: + return True + + # Determine when the holdoff time ends + holdoff_end = last_update + datetime.timedelta(days=self.holdoff_days) + + now = datetime.datetime.utcnow() + + if now >= holdoff_end: + logger.debug("The holdoff time has expired for %s" % self.hostname) + return True + else: + logger.debug("Updates for %s are held off until %s" % \ + (self.hostname, holdoff_end)) + return False def send_request(self, *args, **kwargs): """ @@ -160,29 +326,375 @@ class DDNSProvider(object): """ return self.core.system.send_request(*args, **kwargs) - def get_address(self, proto): + def get_address(self, proto, default=None): """ Proxy method to get the current IP address. """ - return self.core.system.get_address(proto) + return self.core.system.get_address(proto) or default + + def have_address(self, proto): + """ + Returns True if an IP address for the given protocol + is known and usable. + """ + address = self.get_address(proto) + + if address: + return True + + return False + + +class DDNSProtocolDynDNS2(object): + """ + This is an abstract class that implements the DynDNS updater + protocol version 2. As this is a popular way to update dynamic + DNS records, this class is supposed make the provider classes + shorter and simpler. + """ + + # Information about the format of the request is to be found + # http://dyn.com/support/developers/api/perform-update/ + # http://dyn.com/support/developers/api/return-codes/ + + # The DynDNS protocol version 2 does not allow to remove records + can_remove_records = False + + def prepare_request_data(self, proto): + data = { + "hostname" : self.hostname, + "myip" : self.get_address(proto), + } + + return data + + def update_protocol(self, proto): + data = self.prepare_request_data(proto) + + return self.send_request(data) + + def send_request(self, data): + # Send update to the server. + response = DDNSProvider.send_request(self, self.url, data=data, + username=self.username, password=self.password) + + # Get the full response message. + output = response.read() + + # Handle success messages. + if output.startswith("good") or output.startswith("nochg"): + return + + # Handle error codes. + if output == "badauth": + raise DDNSAuthenticationError + elif output == "abuse": + raise DDNSAbuseError + elif output == "notfqdn": + raise DDNSRequestError(_("No valid FQDN was given")) + elif output == "nohost": + raise DDNSRequestError(_("Specified host does not exist")) + elif output == "911": + raise DDNSInternalServerError + elif output == "dnserr": + raise DDNSInternalServerError(_("DNS error encountered")) + elif output == "badagent": + raise DDNSBlockedError + + # If we got here, some other update error happened. + raise DDNSUpdateError(_("Server response: %s") % output) + + +class DDNSResponseParserXML(object): + """ + This class provides a parser for XML responses which + will be sent by various providers. This class uses the python + shipped XML minidom module to walk through the XML tree and return + a requested element. + """ + + def get_xml_tag_value(self, document, content): + # Send input to the parser. + xmldoc = xml.dom.minidom.parseString(document) + + # Get XML elements by the given content. + element = xmldoc.getElementsByTagName(content) + + # If no element has been found, we directly can return None. + if not element: + return None + + # Only get the first child from an element, even there are more than one. + firstchild = element[0].firstChild + + # Get the value of the child. + value = firstchild.nodeValue + + # Return the value. + return value + + +class DDNSProviderAllInkl(DDNSProvider): + handle = "all-inkl.com" + name = "All-inkl.com" + website = "http://all-inkl.com/" + protocols = ("ipv4",) + + # There are only information provided by the vendor how to + # perform an update on a FRITZ Box. Grab requried informations + # from the net. + # http://all-inkl.goetze.it/v01/ddns-mit-einfachen-mitteln/ + + url = "http://dyndns.kasserver.com" + can_remove_records = False + + def update(self): + # There is no additional data required so we directly can + # send our request. + response = self.send_request(self.url, username=self.username, password=self.password) + + # Get the full response message. + output = response.read() + + # Handle success messages. + if output.startswith("good") or output.startswith("nochg"): + return + + # If we got here, some other update error happened. + raise DDNSUpdateError + + +class DDNSProviderBindNsupdate(DDNSProvider): + handle = "nsupdate" + name = "BIND nsupdate utility" + website = "http://en.wikipedia.org/wiki/Nsupdate" + + DEFAULT_TTL = 60 + + @staticmethod + def supported(): + # Search if the nsupdate utility is available + paths = os.environ.get("PATH") + + for path in paths.split(":"): + executable = os.path.join(path, "nsupdate") + + if os.path.exists(executable): + return True + + return False + + def update(self): + scriptlet = self.__make_scriptlet() + + # -v enables TCP hence we transfer keys and other data that may + # exceed the size of one packet. + # -t sets the timeout + command = ["nsupdate", "-v", "-t", "60"] + + p = subprocess.Popen(command, shell=True, + stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, + ) + stdout, stderr = p.communicate(scriptlet) + + if p.returncode == 0: + return + + raise DDNSError("nsupdate terminated with error code: %s\n %s" % (p.returncode, stderr)) + + def __make_scriptlet(self): + scriptlet = [] + + # Set a different server the update is sent to. + server = self.get("server", None) + if server: + scriptlet.append("server %s" % server) + + # Set the DNS zone the host should be added to. + zone = self.get("zone", None) + if zone: + scriptlet.append("zone %s" % zone) + + key = self.get("key", None) + if key: + secret = self.get("secret") + + scriptlet.append("key %s %s" % (key, secret)) + + ttl = self.get("ttl", self.DEFAULT_TTL) + + # Perform an update for each supported protocol. + for rrtype, proto in (("AAAA", "ipv6"), ("A", "ipv4")): + address = self.get_address(proto) + if not address: + continue + + scriptlet.append("update delete %s. %s" % (self.hostname, rrtype)) + scriptlet.append("update add %s. %s %s %s" % \ + (self.hostname, ttl, rrtype, address)) + + # Send the actions to the server. + scriptlet.append("send") + scriptlet.append("quit") + + logger.debug(_("Scriptlet:")) + for line in scriptlet: + # Masquerade the line with the secret key. + if line.startswith("key"): + line = "key **** ****" + + logger.debug(" %s" % line) + + return "\n".join(scriptlet) + + +class DDNSProviderChangeIP(DDNSProvider): + handle = "changeip.com" + name = "ChangeIP.com" + website = "https://changeip.com" + protocols = ("ipv4",) + + # Detailed information about the update api can be found here. + # http://www.changeip.com/accounts/knowledgebase.php?action=displayarticle&id=34 + + url = "https://nic.changeip.com/nic/update" + can_remove_records = False + + def update_protocol(self, proto): + data = { + "hostname" : self.hostname, + "myip" : self.get_address(proto), + } + + # Send update to the server. + try: + response = self.send_request(self.url, username=self.username, password=self.password, + data=data) + + # Handle error codes. + except urllib2.HTTPError, e: + if e.code == 422: + raise DDNSRequestError(_("Domain not found.")) + + raise + + # Handle success message. + if response.code == 200: + return + + # If we got here, some other update error happened. + raise DDNSUpdateError(_("Server response: %s") % output) + + +class DDNSProviderDesecIO(DDNSProtocolDynDNS2, DDNSProvider): + handle = "desec.io" + name = "desec.io" + website = "https://www.desec.io" + protocols = ("ipv6", "ipv4",) + + # ipv4 / ipv6 records are automatically removed when the update + # request originates from the respectively other protocol and no + # address is explicitly provided for the unused protocol. + + url = "https://update.dedyn.io" + + # desec.io sends the IPv6 and IPv4 address in one request + + def update(self): + data = DDNSProtocolDynDNS2.prepare_request_data(self, "ipv4") + + # This one supports IPv6 + myipv6 = self.get_address("ipv6") + + # Add update information if we have an IPv6 address. + if myipv6: + data["myipv6"] = myipv6 + + self.send_request(data) + + +class DDNSProviderDDNSS(DDNSProvider): + handle = "ddnss.de" + name = "DDNSS" + website = "http://www.ddnss.de" + protocols = ("ipv4",) + + # Detailed information about how to send the update request and possible response + # codes can be obtained from here. + # http://www.ddnss.de/info.php + # http://www.megacomputing.de/2014/08/dyndns-service-response-time/#more-919 + + url = "http://www.ddnss.de/upd.php" + can_remove_records = False + + def update_protocol(self, proto): + data = { + "ip" : self.get_address(proto), + "host" : self.hostname, + } + + # Check if a token has been set. + if self.token: + data["key"] = self.token + + # Check if username and hostname are given. + elif self.username and self.password: + data.update({ + "user" : self.username, + "pwd" : self.password, + }) + + # Raise an error if no auth details are given. + else: + raise DDNSConfigurationError + + # Send update to the server. + response = self.send_request(self.url, data=data) + + # This provider sends the response code as part of the header. + header = response.info() + + # Get status information from the header. + output = header.getheader('ddnss-response') + + # Handle success messages. + if output == "good" or output == "nochg": + return + + # Handle error codes. + if output == "badauth": + raise DDNSAuthenticationError + elif output == "notfqdn": + raise DDNSRequestError(_("No valid FQDN was given")) + elif output == "nohost": + raise DDNSRequestError(_("Specified host does not exist")) + elif output == "911": + raise DDNSInternalServerError + elif output == "dnserr": + raise DDNSInternalServerError(_("DNS error encountered")) + elif output == "disabled": + raise DDNSRequestError(_("Account disabled or locked")) + + # If we got here, some other update error happened. + raise DDNSUpdateError class DDNSProviderDHS(DDNSProvider): - INFO = { - "handle" : "dhs.org", - "name" : "DHS International", - "website" : "http://dhs.org/", - "protocols" : ["ipv4",] - } + handle = "dhs.org" + name = "DHS International" + website = "http://dhs.org/" + protocols = ("ipv4",) # No information about the used update api provided on webpage, # grabed from source code of ez-ipudate. + url = "http://members.dhs.org/nic/hosts" + can_remove_records = False - def update(self): + def update_protocol(self, proto): data = { "domain" : self.hostname, - "ip" : self.get_address("ipv4"), + "ip" : self.get_address(proto), "hostcmd" : "edit", "hostcmdstage" : "2", "type" : "4", @@ -196,30 +708,26 @@ class DDNSProviderDHS(DDNSProvider): if response.code == 200: return - # Handle error codes. - elif response.code == 401: - raise DDNSAuthenticationError - # If we got here, some other update error happened. raise DDNSUpdateError class DDNSProviderDNSpark(DDNSProvider): - INFO = { - "handle" : "dnspark.com", - "name" : "DNS Park", - "website" : "http://dnspark.com/", - "protocols" : ["ipv4",] - } + handle = "dnspark.com" + name = "DNS Park" + website = "http://dnspark.com/" + protocols = ("ipv4",) # Informations to the used api can be found here: # https://dnspark.zendesk.com/entries/31229348-Dynamic-DNS-API-Documentation + url = "https://control.dnspark.com/api/dynamic/update.php" + can_remove_records = False - def update(self): + def update_protocol(self, proto): data = { "domain" : self.hostname, - "ip" : self.get_address("ipv4"), + "ip" : self.get_address(proto), } # Send update to the server. @@ -241,33 +749,33 @@ class DDNSProviderDNSpark(DDNSProvider): elif output == "blocked": raise DDNSBlockedError elif output == "nofqdn": - raise DDNSRequestError(_("No valid FQDN was given.")) + raise DDNSRequestError(_("No valid FQDN was given")) elif output == "nohost": - raise DDNSRequestError(_("Invalid hostname specified.")) + raise DDNSRequestError(_("Invalid hostname specified")) elif output == "notdyn": - raise DDNSRequestError(_("Hostname not marked as a dynamic host.")) + raise DDNSRequestError(_("Hostname not marked as a dynamic host")) elif output == "invalid": - raise DDNSRequestError(_("Invalid IP address has been sent.")) + raise DDNSRequestError(_("Invalid IP address has been sent")) # If we got here, some other update error happened. raise DDNSUpdateError class DDNSProviderDtDNS(DDNSProvider): - INFO = { - "handle" : "dtdns.com", - "name" : "DtDNS", - "website" : "http://dtdns.com/", - "protocols" : ["ipv4",] - } + handle = "dtdns.com" + name = "DtDNS" + website = "http://dtdns.com/" + protocols = ("ipv4",) # Information about the format of the HTTPS request is to be found # http://www.dtdns.com/dtsite/updatespec + url = "https://www.dtdns.com/api/autodns.cfm" + can_remove_records = False - def update(self): + def update_protocol(self, proto): data = { - "ip" : self.get_address("ipv4"), + "ip" : self.get_address(proto), "id" : self.hostname, "pw" : self.password } @@ -287,96 +795,282 @@ class DDNSProviderDtDNS(DDNSProvider): # Handle error codes. if output == "No hostname to update was supplied.": - raise DDNSRequestError(_("No hostname specified.")) + raise DDNSRequestError(_("No hostname specified")) elif output == "The hostname you supplied is not valid.": - raise DDNSRequestError(_("Invalid hostname specified.")) + raise DDNSRequestError(_("Invalid hostname specified")) elif output == "The password you supplied is not valid.": raise DDNSAuthenticationError elif output == "Administration has disabled this account.": - raise DDNSRequestError(_("Account has been disabled.")) + raise DDNSRequestError(_("Account has been disabled")) elif output == "Illegal character in IP.": - raise DDNSRequestError(_("Invalid IP address has been sent.")) + raise DDNSRequestError(_("Invalid IP address has been sent")) elif output == "Too many failed requests.": - raise DDNSRequestError(_("Too many failed requests.")) + raise DDNSRequestError(_("Too many failed requests")) # If we got here, some other update error happened. raise DDNSUpdateError -class DDNSProviderDynDNS(DDNSProvider): - INFO = { - "handle" : "dyndns.org", - "name" : "Dyn", - "website" : "http://dyn.com/dns/", - "protocols" : ["ipv4",] - } +class DDNSProviderDuckDNS(DDNSProtocolDynDNS2, DDNSProvider): + handle = "duckdns.org" + name = "Duck DNS" + website = "http://www.duckdns.org/" + protocols = ("ipv4",) + + # Information about the format of the request is to be found + # https://www.duckdns.org/install.jsp + + url = "https://www.duckdns.org/nic/update" + + +class DDNSProviderDynDNS(DDNSProtocolDynDNS2, DDNSProvider): + handle = "dyndns.org" + name = "Dyn" + website = "http://dyn.com/dns/" + protocols = ("ipv4",) # Information about the format of the request is to be found # http://http://dyn.com/support/developers/api/perform-update/ # http://dyn.com/support/developers/api/return-codes/ + url = "https://members.dyndns.org/nic/update" + +class DDNSProviderDynU(DDNSProtocolDynDNS2, DDNSProvider): + handle = "dynu.com" + name = "Dynu" + website = "http://dynu.com/" + protocols = ("ipv6", "ipv4",) + + # Detailed information about the request and response codes + # are available on the providers webpage. + # http://dynu.com/Default.aspx?page=dnsapi + + url = "https://api.dynu.com/nic/update" + + # DynU sends the IPv6 and IPv4 address in one request + def update(self): + data = DDNSProtocolDynDNS2.prepare_request_data(self, "ipv4") + + # This one supports IPv6 + myipv6 = self.get_address("ipv6") + + # Add update information if we have an IPv6 address. + if myipv6: + data["myipv6"] = myipv6 + + self.send_request(data) + + +class DDNSProviderEasyDNS(DDNSProvider): + handle = "easydns.com" + name = "EasyDNS" + website = "http://www.easydns.com/" + protocols = ("ipv4",) + + # Detailed information about the request and response codes + # (API 1.3) are available on the providers webpage. + # https://fusion.easydns.com/index.php?/Knowledgebase/Article/View/102/7/dynamic-dns + + url = "http://api.cp.easydns.com/dyn/tomato.php" + + def update_protocol(self, proto): data = { + "myip" : self.get_address(proto, "-"), "hostname" : self.hostname, - "myip" : self.get_address("ipv4"), } # Send update to the server. - response = self.send_request(self.url, username=self.username, password=self.password, - data=data) + response = self.send_request(self.url, data=data, + username=self.username, password=self.password) # Get the full response message. output = response.read() + # Remove all leading and trailing whitespace. + output = output.strip() + # Handle success messages. - if output.startswith("good") or output.startswith("nochg"): + if output.startswith("NOERROR"): return # Handle error codes. - if output == "badauth": + if output.startswith("NOACCESS"): raise DDNSAuthenticationError - elif output == "aduse": - raise DDNSAbuseError - elif output == "notfqdn": - raise DDNSRequestError(_("No valid FQDN was given.")) - elif output == "nohost": - raise DDNSRequestError(_("Specified host does not exist.")) - elif output == "911": + + elif output.startswith("NOSERVICE"): + raise DDNSRequestError(_("Dynamic DNS is not turned on for this domain")) + + elif output.startswith("ILLEGAL INPUT"): + raise DDNSRequestError(_("Invalid data has been sent")) + + elif output.startswith("TOOSOON"): + raise DDNSRequestError(_("Too frequent update requests have been sent")) + + # If we got here, some other update error happened. + raise DDNSUpdateError + + +class DDNSProviderDomopoli(DDNSProtocolDynDNS2, DDNSProvider): + handle = "domopoli.de" + name = "domopoli.de" + website = "http://domopoli.de/" + protocols = ("ipv4",) + + # https://www.domopoli.de/?page=howto#DynDns_start + + url = "http://dyndns.domopoli.de/nic/update" + + +class DDNSProviderDynsNet(DDNSProvider): + handle = "dyns.net" + name = "DyNS" + website = "http://www.dyns.net/" + protocols = ("ipv4",) + can_remove_records = False + + # There is very detailed informatio about how to send the update request and + # the possible response codes. (Currently we are using the v1.1 proto) + # http://www.dyns.net/documentation/technical/protocol/ + + url = "http://www.dyns.net/postscript011.php" + + def update_protocol(self, proto): + data = { + "ip" : self.get_address(proto), + "host" : self.hostname, + "username" : self.username, + "password" : self.password, + } + + # Send update to the server. + response = self.send_request(self.url, data=data) + + # Get the full response message. + output = response.read() + + # Handle success messages. + if output.startswith("200"): + return + + # Handle error codes. + if output.startswith("400"): + raise DDNSRequestError(_("Malformed request has been sent")) + elif output.startswith("401"): + raise DDNSAuthenticationError + elif output.startswith("402"): + raise DDNSRequestError(_("Too frequent update requests have been sent")) + elif output.startswith("403"): raise DDNSInternalServerError - elif output == "dnserr": - raise DDNSInternalServerError(_("DNS error encountered.")) + + # If we got here, some other update error happened. + raise DDNSUpdateError(_("Server response: %s") % output) + + +class DDNSProviderEnomCom(DDNSResponseParserXML, DDNSProvider): + handle = "enom.com" + name = "eNom Inc." + website = "http://www.enom.com/" + protocols = ("ipv4",) + + # There are very detailed information about how to send an update request and + # the respone codes. + # http://www.enom.com/APICommandCatalog/ + + url = "https://dynamic.name-services.com/interface.asp" + can_remove_records = False + + def update_protocol(self, proto): + data = { + "command" : "setdnshost", + "responsetype" : "xml", + "address" : self.get_address(proto), + "domainpassword" : self.password, + "zone" : self.hostname + } + + # Send update to the server. + response = self.send_request(self.url, data=data) + + # Get the full response message. + output = response.read() + + # Handle success messages. + if self.get_xml_tag_value(output, "ErrCount") == "0": + return + + # Handle error codes. + errorcode = self.get_xml_tag_value(output, "ResponseNumber") + + if errorcode == "304155": + raise DDNSAuthenticationError + elif errorcode == "304153": + raise DDNSRequestError(_("Domain not found")) # If we got here, some other update error happened. raise DDNSUpdateError -class DDNSProviderFreeDNSAfraidOrg(DDNSProvider): - INFO = { - "handle" : "freedns.afraid.org", - "name" : "freedns.afraid.org", - "website" : "http://freedns.afraid.org/", - "protocols" : ["ipv6", "ipv4",] +class DDNSProviderEntryDNS(DDNSProvider): + handle = "entrydns.net" + name = "EntryDNS" + website = "http://entrydns.net/" + protocols = ("ipv4",) + + # Some very tiny details about their so called "Simple API" can be found + # here: https://entrydns.net/help + url = "https://entrydns.net/records/modify" + can_remove_records = False + + def update_protocol(self, proto): + data = { + "ip" : self.get_address(proto), } + # Add auth token to the update url. + url = "%s/%s" % (self.url, self.token) + + # Send update to the server. + try: + response = self.send_request(url, data=data) + + # Handle error codes + except urllib2.HTTPError, e: + if e.code == 404: + raise DDNSAuthenticationError + + elif e.code == 422: + raise DDNSRequestError(_("An invalid IP address was submitted")) + + raise + + # Handle success messages. + if response.code == 200: + return + + # If we got here, some other update error happened. + raise DDNSUpdateError + + +class DDNSProviderFreeDNSAfraidOrg(DDNSProvider): + handle = "freedns.afraid.org" + name = "freedns.afraid.org" + website = "http://freedns.afraid.org/" + # No information about the request or response could be found on the vendor # page. All used values have been collected by testing. url = "https://freedns.afraid.org/dynamic/update.php" + can_remove_records = False - @property - def proto(self): - return self.get("proto") - - def update(self): - address = self.get_address(self.proto) - + def update_protocol(self, proto): data = { - "address" : address, + "address" : self.get_address(proto), } # Add auth token to the update url. @@ -385,6 +1079,10 @@ class DDNSProviderFreeDNSAfraidOrg(DDNSProvider): # Send update to the server. response = self.send_request(url, data=data) + # Get the full response message. + output = response.read() + + # Handle success messages. if output.startswith("Updated") or "has not changed" in output: return @@ -392,40 +1090,54 @@ class DDNSProviderFreeDNSAfraidOrg(DDNSProvider): if output == "ERROR: Unable to locate this record": raise DDNSAuthenticationError elif "is an invalid IP address" in output: - raise DDNSRequestError(_("Invalid IP address has been sent.")) + raise DDNSRequestError(_("Invalid IP address has been sent")) + + # If we got here, some other update error happened. + raise DDNSUpdateError + + +class DDNSProviderJoker(DDNSProtocolDynDNS2, DDNSProvider): + handle = "joker.com" + name = "Joker.com Dynamic DNS" + website = "https://joker.com/" + protocols = ("ipv4",) + + # Information about the request can be found here: + # https://joker.com/faq/content/11/427/en/what-is-dynamic-dns-dyndns.html + # Using DynDNS V2 protocol over HTTPS here + + url = "https://svc.joker.com/nic/update" + + +class DDNSProviderGoogle(DDNSProtocolDynDNS2, DDNSProvider): + handle = "domains.google.com" + name = "Google Domains" + website = "https://domains.google.com/" + protocols = ("ipv4",) + + # Information about the format of the HTTP request is to be found + # here: https://support.google.com/domains/answer/6147083?hl=en + + url = "https://domains.google.com/nic/update" class DDNSProviderLightningWireLabs(DDNSProvider): - INFO = { - "handle" : "dns.lightningwirelabs.com", - "name" : "Lightning Wire Labs", - "website" : "http://dns.lightningwirelabs.com/", - "protocols" : ["ipv6", "ipv4",] - } + handle = "dns.lightningwirelabs.com" + name = "Lightning Wire Labs DNS Service" + website = "http://dns.lightningwirelabs.com/" # Information about the format of the HTTPS request is to be found # https://dns.lightningwirelabs.com/knowledge-base/api/ddns + url = "https://dns.lightningwirelabs.com/update" def update(self): data = { "hostname" : self.hostname, + "address6" : self.get_address("ipv6", "-"), + "address4" : self.get_address("ipv4", "-"), } - # Check if we update an IPv6 address. - address6 = self.get_address("ipv6") - if address6: - data["address6"] = address6 - - # Check if we update an IPv4 address. - address4 = self.get_address("ipv4") - if address4: - data["address4"] = address4 - - # Raise an error if none address is given. - if not data.has_key("address6") and not data.has_key("address4"): - raise DDNSConfigurationError - # Check if a token has been set. if self.token: data["token"] = self.token @@ -448,82 +1160,530 @@ class DDNSProviderLightningWireLabs(DDNSProvider): if response.code == 200: return + # If we got here, some other update error happened. + raise DDNSUpdateError + + +class DDNSProviderLoopia(DDNSProtocolDynDNS2, DDNSProvider): + handle = "loopia.se" + name = "Loopia AB" + website = "https://www.loopia.com" + protocols = ("ipv4",) + + # Information about the format of the HTTP request is to be found + # here: https://support.loopia.com/wiki/About_the_DynDNS_support + + url = "https://dns.loopia.se/XDynDNSServer/XDynDNS.php" + + +class DDNSProviderMyOnlinePortal(DDNSProtocolDynDNS2, DDNSProvider): + handle = "myonlineportal.net" + name = "myonlineportal.net" + website = "https:/myonlineportal.net/" + + # Information about the request and response can be obtained here: + # https://myonlineportal.net/howto_dyndns + + url = "https://myonlineportal.net/updateddns" + + def prepare_request_data(self, proto): + data = { + "hostname" : self.hostname, + "ip" : self.get_address(proto), + } + + return data + + +class DDNSProviderNamecheap(DDNSResponseParserXML, DDNSProvider): + handle = "namecheap.com" + name = "Namecheap" + website = "http://namecheap.com" + protocols = ("ipv4",) + + # Information about the format of the HTTP request is to be found + # https://www.namecheap.com/support/knowledgebase/article.aspx/9249/0/nc-dynamic-dns-to-dyndns-adapter + # https://community.namecheap.com/forums/viewtopic.php?f=6&t=6772 + + url = "https://dynamicdns.park-your-domain.com/update" + can_remove_records = False + + def update_protocol(self, proto): + # Namecheap requires the hostname splitted into a host and domain part. + host, domain = self.hostname.split(".", 1) + + # Get and store curent IP address. + address = self.get_address(proto) + + data = { + "ip" : address, + "password" : self.password, + "host" : host, + "domain" : domain + } + + # Send update to the server. + response = self.send_request(self.url, data=data) + + # Get the full response message. + output = response.read() + + # Handle success messages. + if self.get_xml_tag_value(output, "IP") == address: + return + # Handle error codes. - if response.code == 403: + errorcode = self.get_xml_tag_value(output, "ResponseNumber") + + if errorcode == "304156": raise DDNSAuthenticationError - elif response.code == 400: - raise DDNSRequestError + elif errorcode == "316153": + raise DDNSRequestError(_("Domain not found")) + elif errorcode == "316154": + raise DDNSRequestError(_("Domain not active")) + elif errorcode in ("380098", "380099"): + raise DDNSInternalServerError # If we got here, some other update error happened. raise DDNSUpdateError -class DDNSProviderNOIP(DDNSProvider): - INFO = { - "handle" : "no-ip.com", - "name" : "No-IP", - "website" : "http://www.no-ip.com/", - "protocols" : ["ipv4",] - } +class DDNSProviderNOIP(DDNSProtocolDynDNS2, DDNSProvider): + handle = "no-ip.com" + name = "No-IP" + website = "http://www.no-ip.com/" + protocols = ("ipv4",) # Information about the format of the HTTP request is to be found # here: http://www.no-ip.com/integrate/request and # here: http://www.no-ip.com/integrate/response - url = "http://%(username)s:%(password)s@dynupdate.no-ip.com/nic/update" + url = "http://dynupdate.no-ip.com/nic/update" + + def prepare_request_data(self, proto): + assert proto == "ipv4" + + data = { + "hostname" : self.hostname, + "address" : self.get_address(proto), + } + + return data + + +class DDNSProviderNsupdateINFO(DDNSProtocolDynDNS2, DDNSProvider): + handle = "nsupdate.info" + name = "nsupdate.info" + website = "http://nsupdate.info/" + protocols = ("ipv6", "ipv4",) + + # Information about the format of the HTTP request can be found + # after login on the provider user interface and here: + # http://nsupdateinfo.readthedocs.org/en/latest/user.html + + url = "https://nsupdate.info/nic/update" + + # TODO nsupdate.info can actually do this, but the functionality + # has not been implemented here, yet. + can_remove_records = False + + # After a failed update, there will be no retries + # https://bugzilla.ipfire.org/show_bug.cgi?id=10603 + holdoff_failure_days = None + + # Nsupdate.info uses the hostname as user part for the HTTP basic auth, + # and for the password a so called secret. + @property + def username(self): + return self.get("hostname") + + @property + def password(self): + return self.token or self.get("secret") + + def prepare_request_data(self, proto): + data = { + "myip" : self.get_address(proto), + } + + return data + + +class DDNSProviderOpenDNS(DDNSProtocolDynDNS2, DDNSProvider): + handle = "opendns.com" + name = "OpenDNS" + website = "http://www.opendns.com" + + # Detailed information about the update request and possible + # response codes can be obtained from here: + # https://support.opendns.com/entries/23891440 + + url = "https://updates.opendns.com/nic/update" + + def prepare_request_data(self, proto): + data = { + "hostname" : self.hostname, + "myip" : self.get_address(proto), + } + + return data + + +class DDNSProviderOVH(DDNSProtocolDynDNS2, DDNSProvider): + handle = "ovh.com" + name = "OVH" + website = "http://www.ovh.com/" + protocols = ("ipv4",) + + # OVH only provides very limited information about how to + # update a DynDNS host. They only provide the update url + # on the their german subpage. + # + # http://hilfe.ovh.de/DomainDynHost + + url = "https://www.ovh.com/nic/update" + + def prepare_request_data(self, proto): + data = DDNSProtocolDynDNS2.prepare_request_data(self, proto) + data.update({ + "system" : "dyndns", + }) + + return data + + +class DDNSProviderRegfish(DDNSProvider): + handle = "regfish.com" + name = "Regfish GmbH" + website = "http://www.regfish.com/" + + # A full documentation to the providers api can be found here + # but is only available in german. + # https://www.regfish.de/domains/dyndns/dokumentation + + url = "https://dyndns.regfish.de/" + can_remove_records = False def update(self): - url = self.url % { - "username" : self.username, - "password" : self.password, + data = { + "fqdn" : self.hostname, + } + + # Check if we update an IPv6 address. + address6 = self.get_address("ipv6") + if address6: + data["ipv6"] = address6 + + # Check if we update an IPv4 address. + address4 = self.get_address("ipv4") + if address4: + data["ipv4"] = address4 + + # Raise an error if none address is given. + if not data.has_key("ipv6") and not data.has_key("ipv4"): + raise DDNSConfigurationError + + # Check if a token has been set. + if self.token: + data["token"] = self.token + + # Raise an error if no token and no useranem and password + # are given. + elif not self.username and not self.password: + raise DDNSConfigurationError(_("No Auth details specified")) + + # HTTP Basic Auth is only allowed if no token is used. + if self.token: + # Send update to the server. + response = self.send_request(self.url, data=data) + else: + # Send update to the server. + response = self.send_request(self.url, username=self.username, password=self.password, + data=data) + + # Get the full response message. + output = response.read() + + # Handle success messages. + if "100" in output or "101" in output: + return + + # Handle error codes. + if "401" or "402" in output: + raise DDNSAuthenticationError + elif "408" in output: + raise DDNSRequestError(_("Invalid IPv4 address has been sent")) + elif "409" in output: + raise DDNSRequestError(_("Invalid IPv6 address has been sent")) + elif "412" in output: + raise DDNSRequestError(_("No valid FQDN was given")) + elif "414" in output: + raise DDNSInternalServerError + + # If we got here, some other update error happened. + raise DDNSUpdateError + + +class DDNSProviderSelfhost(DDNSProtocolDynDNS2, DDNSProvider): + handle = "selfhost.de" + name = "Selfhost.de" + website = "http://www.selfhost.de/" + protocols = ("ipv4",) + + url = "https://carol.selfhost.de/nic/update" + + def prepare_request_data(self, proto): + data = DDNSProtocolDynDNS2.prepare_request_data(self, proto) + data.update({ + "hostname" : "1", + }) + + return data + + +class DDNSProviderSPDNS(DDNSProtocolDynDNS2, DDNSProvider): + handle = "spdns.org" + name = "SPDNS" + website = "http://spdns.org/" + + # Detailed information about request and response codes are provided + # by the vendor. They are using almost the same mechanism and status + # codes as dyndns.org so we can inherit all those stuff. + # + # http://wiki.securepoint.de/index.php/SPDNS_FAQ + # http://wiki.securepoint.de/index.php/SPDNS_Update-Tokens + + url = "https://update.spdns.de/nic/update" + + @property + def username(self): + return self.get("username") or self.hostname + + @property + def password(self): + return self.get("password") or self.token + + +class DDNSProviderStrato(DDNSProtocolDynDNS2, DDNSProvider): + handle = "strato.com" + name = "Strato AG" + website = "http:/www.strato.com/" + protocols = ("ipv4",) + + # Information about the request and response can be obtained here: + # http://www.strato-faq.de/article/671/So-einfach-richten-Sie-DynDNS-f%C3%BCr-Ihre-Domains-ein.html + + url = "https://dyndns.strato.com/nic/update" + + def prepare_request_data(self, proto): + data = DDNSProtocolDynDNS2.prepare_request_data(self, proto) + data.update({ + "mx" : "NOCHG", + "backupmx" : "NOCHG" + }) + + return data + + +class DDNSProviderTwoDNS(DDNSProtocolDynDNS2, DDNSProvider): + handle = "twodns.de" + name = "TwoDNS" + website = "http://www.twodns.de" + protocols = ("ipv4",) + + # Detailed information about the request can be found here + # http://twodns.de/en/faqs + # http://twodns.de/en/api + + url = "https://update.twodns.de/update" + + def prepare_request_data(self, proto): + assert proto == "ipv4" + + data = { + "ip" : self.get_address(proto), + "hostname" : self.hostname } + return data + + +class DDNSProviderUdmedia(DDNSProtocolDynDNS2, DDNSProvider): + handle = "udmedia.de" + name = "Udmedia GmbH" + website = "http://www.udmedia.de" + protocols = ("ipv4",) + + # Information about the request can be found here + # http://www.udmedia.de/faq/content/47/288/de/wie-lege-ich-einen-dyndns_eintrag-an.html + + url = "https://www.udmedia.de/nic/update" + + +class DDNSProviderVariomedia(DDNSProtocolDynDNS2, DDNSProvider): + handle = "variomedia.de" + name = "Variomedia" + website = "http://www.variomedia.de/" + protocols = ("ipv6", "ipv4",) + + # Detailed information about the request can be found here + # https://dyndns.variomedia.de/ + + url = "https://dyndns.variomedia.de/nic/update" + + def prepare_request_data(self, proto): data = { "hostname" : self.hostname, - "address" : self.get_address("ipv4"), + "myip" : self.get_address(proto), + } + + return data + + +class DDNSProviderXLhost(DDNSProtocolDynDNS2, DDNSProvider): + handle = "xlhost.de" + name = "XLhost" + website = "http://xlhost.de/" + protocols = ("ipv4",) + + # Information about the format of the HTTP request is to be found + # here: https://xlhost.de/faq/index_html?topicId=CQA2ELIPO4SQ + + url = "https://nsupdate.xlhost.de/" + + +class DDNSProviderZoneedit(DDNSProvider): + handle = "zoneedit.com" + name = "Zoneedit" + website = "http://www.zoneedit.com" + protocols = ("ipv4",) + + # Detailed information about the request and the response codes can be + # obtained here: + # http://www.zoneedit.com/doc/api/other.html + # http://www.zoneedit.com/faq.html + + url = "https://dynamic.zoneedit.com/auth/dynamic.html" + + def update_protocol(self, proto): + data = { + "dnsto" : self.get_address(proto), + "host" : self.hostname } # Send update to the server. - response = self.send_request(url, data=data) + response = self.send_request(self.url, username=self.username, password=self.password, + data=data) # Get the full response message. output = response.read() # Handle success messages. - if output.startswith("good") or output.startswith("nochg"): + if output.startswith("