Checking message if valid url or a string for TTS

homeassistant/components/notify/twilio_call.py

@@ -7,6 +7,7 @@ https://home-assistant.io/components/notify.twilio_call/
 import logging
 import urllib
 
+
 import voluptuous as vol
 
 import homeassistant.helpers.config_validation as cv
@@ -41,6 +42,57 @@ def get_service(hass, config, discovery_info=None):
                                          config[CONF_FROM_NUMBER])
 
 
+def is_validurl(url):
+    """Check if the passed url is valid using dperini regex."""
+    import re
+
+    ip_middle_oct = u"(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5]))"
+    ip_last_oct = u"(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))"
+
+    regex = re.compile(
+        u"^"
+        # protocol identifier
+        u"(?:(?:https?|ftp)://)"
+        # user:pass authentication
+        u"(?:\S+(?::\S*)?@)?"
+        u"(?:"
+        u"(?P<private_ip>"
+        # IP address exclusion
+        # private & local networks
+        u"(?:(?:10|127)" + ip_middle_oct + u"{2}" + ip_last_oct + u")|"
+        u"(?:(?:169\.254|192\.168)" + ip_middle_oct + ip_last_oct + u")|"
+        u"(?:172\.(?:1[6-9]|2\d|3[0-1])" + ip_middle_oct + ip_last_oct + u"))"
+        u"|"
+        # IP address dotted notation octets
+        # excludes loopback network 0.0.0.0
+        # excludes reserved space >= 224.0.0.0
+        # excludes network & broadcast addresses
+        # (first & last IP address of each class)
+        u"(?P<public_ip>"
+        u"(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])"
+        u"" + ip_middle_oct + u"{2}"
+        u"" + ip_last_oct + u")"
+        u"|"
+        # host name
+        u"(?:(?:[a-z\u00a1-\uffff0-9]-?)*[a-z\u00a1-\uffff0-9]+)"
+        # domain name
+        u"(?:\.(?:[a-z\u00a1-\uffff0-9]-?)*[a-z\u00a1-\uffff0-9]+)*"
+        # TLD identifier
+        u"(?:\.(?:[a-z\u00a1-\uffff]{2,}))"
+        u")"
+        # port number
+        u"(?::\d{2,5})?"
+        # resource path
+        u"(?:/\S*)?"
+        # query string
+        u"(?:\?\S*)?"
+        u"$",
+        re.UNICODE | re.IGNORECASE
+    )
+
+    return regex.match(url)
+
+
 class TwilioCallNotificationService(BaseNotificationService):
     """Implement the notification service for the Twilio Call service."""
 
@@ -57,9 +109,13 @@ class TwilioCallNotificationService(BaseNotificationService):
             _LOGGER.info("At least 1 target is required")
             return
 
-        for target in targets:
-            twimlet_url = 'http://twimlets.com/message?Me='
+        if is_validurl(message):
+            twimlet_url = message
+        else:
+            twimlet_url = 'http://twimlets.com/message?Message='
             twimlet_url += urllib.parse.quote(message, safe='')
+
+        for target in targets:
             self.client.calls.create(to=target,
                                      url=twimlet_url,
                                      from_=self.from_number)