More HTTP status code fixes.
[oddments/ddns.git] / src / ddns / providers.py
index 9ffd67d..8576c9b 100644 (file)
 #                                                                             #
 ###############################################################################
 
+import logging
+
+from i18n import _
+
 # Import all possible exception types.
 from .errors import *
 
+logger = logging.getLogger("ddns.providers")
+logger.propagate = 1
+
 class DDNSProvider(object):
        INFO = {
                # A short string that uniquely identifies
@@ -104,9 +111,41 @@ class DDNSProvider(object):
                """
                return self.get("password")
 
-       def __call__(self):
+       @property
+       def protocols(self):
+               return self.INFO.get("protocols")
+
+       def __call__(self, force=False):
+               if force:
+                       logger.info(_("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)
+                       return
+
+               # Execute the update.
+               self.update()
+
+       def update(self):
                raise NotImplementedError
 
+       def is_uptodate(self, protos):
+               """
+                       Returns True if this host is already up to date
+                       and does not need to change the IP address on the
+                       name server.
+               """
+               for proto in protos:
+                       addresses = self.core.system.resolve(self.hostname, proto)
+
+                       current_address = self.get_address(proto)
+
+                       if not current_address in addresses:
+                               return False
+
+               return True
+
        def send_request(self, *args, **kwargs):
                """
                        Proxy connection to the send request
@@ -133,7 +172,7 @@ class DDNSProviderDHS(DDNSProvider):
        # grabed from source code of ez-ipudate.
        url = "http://members.dhs.org/nic/hosts"
 
-       def __call__(self):
+       def update(self):
                url = self.url % {
                        "username" : self.username,
                        "password" : self.password,
@@ -156,13 +195,67 @@ class DDNSProviderDHS(DDNSProvider):
                        return
 
                # Handle error codes.
-               elif response.code == "401":
+               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",]
+       }
+
+       # 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"
+
+       def update(self):
+               url = self.url % {
+                       "username" : self.username,
+                       "password" : self.password,
+               }
+
+               data = {
+                       "domain" : self.hostname,
+                       "ip"     : self.get_address("ipv4"),
+               }
+
+               # Send update to the server.
+               response = self.send_request(url, username=self.username, password=self.password,
+                       data=data)
+
+               # Get the full response message.
+               output = response.read()
+
+               # Handle success messages.
+               if output.startswith("ok") or output.startswith("nochange"):
+                       return
+
+               # Handle error codes.
+               if output == "unauth":
+                       raise DDNSAuthenticationError
+               elif output == "abuse":
+                       raise DDNSAbuseError
+               elif output == "blocked":
+                       raise DDNSBlockedError
+               elif output == "nofqdn":
+                       raise DDNSRequestError(_("No valid FQDN was given."))
+               elif output == "nohost":
+                       raise DDNSRequestError(_("Invalid hostname specified."))
+               elif output == "notdyn":
+                       raise DDNSRequestError(_("Hostname not marked as a dynamic host."))
+               elif output == "invalid":
+                       raise DDNSRequestError(_("Invalid IP address has been sent."))
+
+               # If we got here, some other update error happened.
+               raise DDNSUpdateError
+
+               
 class DDNSProviderLightningWireLabs(DDNSProvider):
        INFO = {
                "handle"    : "dns.lightningwirelabs.com",
@@ -182,7 +275,7 @@ class DDNSProviderLightningWireLabs(DDNSProvider):
                """
                return self.get("token")
 
-       def __call__(self):
+       def update(self):
                data =  {
                        "hostname" : self.hostname,
                }
@@ -217,16 +310,16 @@ class DDNSProviderLightningWireLabs(DDNSProvider):
                        raise DDNSConfigurationError
 
                # Send update to the server.
-               response = self.send_request(url, data=data)
+               response = self.send_request(self.url, data=data)
 
                # Handle success messages.
                if response.code == 200:
                        return
 
                # Handle error codes.
-               if response.code == "403":
+               if response.code == 403:
                        raise DDNSAuthenticationError
-               elif response.code == "400":
+               elif response.code == 400:
                        raise DDNSRequestError
 
                # If we got here, some other update error happened.
@@ -247,7 +340,7 @@ class DDNSProviderNOIP(DDNSProvider):
 
        url = "http://%(username)s:%(password)s@dynupdate.no-ip.com/nic/update"
 
-       def __call__(self):
+       def update(self):
                url = self.url % {
                        "username" : self.username,
                        "password" : self.password,
@@ -290,7 +383,7 @@ class DDNSProviderSelfhost(DDNSProvider):
 
        url = "https://carol.selfhost.de/update"
 
-       def __call__(self):
+       def update(self):
                data = {
                        "username" : self.username,
                        "password" : self.password,