Commit 5165730

@@ -0,0 +1,92 @@
+#!/usr/bin/python
+
+import ConfigParser
+import requests
+import optparse
+import sys
+
+
+class HoverException(Exception):
+    pass
+
+
+class HoverAPI(object):
+    def __init__(self, username, password):
+        params = {"username": username, "password": password}
+        r = requests.post("https://www.hover.com/signin", params=params)
+        if not r.ok or "hoverauth" not in r.cookies:
+            raise HoverException(r)
+        self.cookies = {"hoverauth": r.cookies["hoverauth"]}
+    def call(self, method, resource, data=None):
+        url = "https://www.hover.com/api/{0}".format(resource)
+        r = requests.request(method, url, data=data, cookies=self.cookies)
+        if not r.ok:
+            raise HoverException(r)
+        if r.content:
+            return r.json()
+
+
+def get_public_ip():
+    return requests.get("http://api.exip.org/?call=ip").content
+
+
+def update_dns(username, password, fqdn):
+    try:
+        client = HoverAPI(username, password)
+    except HoverException as e:
+        raise HoverException("Authentication failed")
+    dns = client.call("get", "dns")
+    dns_id = None
+    for domain in dns["domains"]:
+        if fqdn == domain["domain_name"]:
+            fqdn = "@.{domain_name}".format(**domain)
+        for entry in domain["entries"]:
+            if entry["type"] != "A": continue
+            if "{0}.{1}".format(entry["name"], domain["domain_name"]) == fqdn:
+                dns_id = entry["id"]
+                break
+    if dns_id is None:
+        raise HoverException("No DNS record found for {0}".format(fqdn))
+
+    my_ip = get_public_ip()
+
+    response = client.call("put", "dns/{0}".format(dns_id), {"content": my_ip})
+    
+    if "succeeded" not in response or response["succeeded"] is not True:
+        raise HoverException(response)
+    
+
+def main():
+    usage = "usage: %prog (-c CONF|-u USERNAME -p PASSWORD -d DOMAIN)"
+    description = "Update a hover.com DNS record with the current IP of this machine."
+    parser = optparse.OptionParser(usage=usage, description=description)
+    parser.add_option("-c", "--conf", default=None, help="The conf file that contains your username, password, and fully qualified domain name")
+    parser.add_option("-u", "--username", default=None, help="Your hover.com username")
+    parser.add_option("-p", "--password", default=None, help="Your hover.com password")
+    parser.add_option("-d", "--domain", default=None, help="The fully qualified domain name you're updating")
+    (options, args) = parser.parse_args()
+
+    def get_conf(filename):
+        config = ConfigParser.ConfigParser()
+        config.read(filename)
+        items = dict(config.items("dynhover"))
+        return items["username"], items["password"], items["domain"]
+
+    if options.conf is None:
+        if not all((options.username, options.password, options.domain)):
+            parser.error("You must specifiy either a conf file, or a username, password, and domain")
+        else:
+            username, password, domain = options.username, options.password, options.domain
+    else:
+        username, password, domain = get_conf(options.conf)
+
+    update_dns(username, password, domain)
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except HoverException as e:
+        print "Unable to update DNS: {0}".format(e)
+        sys.exit(1)
+    sys.exit(0)