initial release

porkbun-ddns.py

@@ -0,0 +1,53 @@
+import json
+import requests
+import re
+import sys
+
+def getRecords(domain): #grab all the records so we know which ones to delete to make room for our record. Also checks to make sure we've got the right domain
+	allRecords=json.loads(requests.post(apiConfig["endpoint"] + '/dns/retrieve/' + domain, data = json.dumps(apiConfig)).text)
+	if allRecords["status"]=="ERROR":
+		print('Error getting domain. Check to make sure you specified the correct domain, and that API access has been switched on for this domain.');
+		sys.exit();
+	return(allRecords)
+	
+def getMyIP():
+	ping = json.loads(requests.post(apiConfig["endpoint"] + '/ping/', data = json.dumps(apiConfig)).text)
+	return(ping["yourIp"])
+
+def deleteRecord():
+	for i in getRecords(rootDomain)["records"]:
+		if i["name"]==fqdn and (i["type"] == 'A' or i["type"] == 'ALIAS' or i["type"] == 'CNAME'):
+			print("Deleting existing " + i["type"] + " Record")
+			deleteRecord = json.loads(requests.post(apiConfig["endpoint"] + '/dns/delete/' + rootDomain + '/' + i["id"], data = json.dumps(apiConfig)).text)
+
+def createRecord():
+	createObj=apiConfig.copy()
+	createObj.update({'name': subDomain, 'type': 'A', 'content': myIP, 'ttl': 300})
+	endpoint = apiConfig["endpoint"] + '/dns/create/' + rootDomain
+	print("Creating record: " + fqdn + " with answer of " + myIP)
+	create = json.loads(requests.post(apiConfig["endpoint"] + '/dns/create/'+ rootDomain, data = json.dumps(createObj)).text)
+	return(create)
+
+if len(sys.argv)>2: #at least the config and root domain is specified
+	apiConfig = json.load(open(sys.argv[1])) #load the config file into a variable
+	rootDomain=sys.argv[2]	
+		
+	if len(sys.argv)>3 and sys.argv[3]!='-i': #check if a subdomain was specified as the third argument
+		subDomain=sys.argv[3]
+		fqdn=subDomain + "." + rootDomain
+	else:
+		subDomain=''
+		fqdn=rootDomain
+
+	if len(sys.argv)>4 and sys.argv[3]=='-i': #check if IP is manually specified. There's probably a more-elegant way to do this
+		myIP=sys.argv[4]
+	elif len(sys.argv)>5 and sys.argv[4]=='-i':
+		myIP=sys.argv[5]
+	else:
+		myIP=getMyIP() #otherwise use the detected exterior IP address
+	
+	deleteRecord()
+	print(createRecord()["status"])
+	
+else:
+	print("Porkbun Dynamic DNS client, Python Edition\n\nError: not enough arguments. Examples:\npython porkbun-ddns.py /path/to/config.json example.com\npython porkbun-ddns.py /path/to/config.json example.com www\npython porkbun-ddns.py /path/to/config.json example.com '*'\npython porkbun-ddns.py /path/to/config.json example.com -i 10.0.0.1\n")