From aa21a4c6a2f5cc1d2e2641c78b01e427aeb37740 Mon Sep 17 00:00:00 2001
From: Stefan Schantl <stefan.schantl@ipfire.org>
Date: Sat, 14 Jun 2014 23:23:38 +0200
Subject: [PATCH] Add freedns.afraid.org as new provider.

---
 ddns.conf.sample      |  5 +++++
 src/ddns/__init__.py  |  1 +
 src/ddns/providers.py | 46 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+)

diff --git a/ddns.conf.sample b/ddns.conf.sample
index 9ac67e4..bf31b59 100644
--- a/ddns.conf.sample
+++ b/ddns.conf.sample
@@ -29,6 +29,11 @@
 # provider = dtdns.org
 # password = pass
 
+# [test.freedns.afraid.org]
+# provider = freedns.afraid.org
+# token = token
+# proto = ipv4 OR ipv6
+
 # [test.no-ip.org]
 # provider = no-ip.com
 # username = user
diff --git a/src/ddns/__init__.py b/src/ddns/__init__.py
index e728c37..8af99d7 100644
--- a/src/ddns/__init__.py
+++ b/src/ddns/__init__.py
@@ -94,6 +94,7 @@ class DDNSCore(object):
 			DDNSProviderDHS,
 			DDNSProviderDNSpark,
 			DDNSProviderDtDNS,
+			DDNSProviderFreeDNSAfraidOrg,
 			DDNSProviderNOIP,
 			DDNSProviderLightningWireLabs,
 			DDNSProviderSelfhost,
diff --git a/src/ddns/providers.py b/src/ddns/providers.py
index 2788c97..605b65e 100644
--- a/src/ddns/providers.py
+++ b/src/ddns/providers.py
@@ -312,6 +312,52 @@ class DDNSProviderDtDNS(DDNSProvider):
 		raise DDNSUpdateError
 
 
+class DDNSProviderFreeDNSAfraidOrg(DDNSProvider):
+	INFO = {
+		"handle"    : "freedns.afraid.org",
+		"name"      : "freedns.afraid.org",
+		"website"   : "http://freedns.afraid.org/",
+		"protocols" : ["ipv6", "ipv4",]
+		}
+
+	# 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"
+
+	@property
+	def proto(self):
+		return self.get("proto")
+
+	def update(self):
+		address = self.get_address(self.proto)
+
+		data = {
+			"address" : address,
+		}
+
+		# Add auth token to the update url.
+		url = "%s?%s" % (self.url, self.token)
+
+		# 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
+
+		# Handle error codes.
+		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."))
+
+		# If we got here, some other update error happened.
+		raise DDNSUpdateError
+
+
 class DDNSProviderLightningWireLabs(DDNSProvider):
 	INFO = {
 		"handle"    : "dns.lightningwirelabs.com",
-- 
2.39.2