Mod xml curl Python example

From FreeSWITCH Wiki

Account authentication with Python

This code will output the xml needed to authenticate users. Uses the lxml and hashlib modules, so make sure you install them before running.

#!/usr/bin/env python
print "Content-Type: text/xml"
print

from lxml.builder import E
from lxml import etree
import hashlib

def create_base_directory_xml_doc():
    doc = (
        E.document(
            E.section()
        ,type="freeswitch/xml")
    )
    return doc

def hash_password(domain, username, password):
    hash = hashlib.md5()
    hash.update(username + ":" + domain + ":" + password)
    password_hash = hash.hexdigest()
    password_param = "a1-hash"
    return password_param, password_hash

def add_directory_domain_user(doc, domain, username, password):
    section = doc.find("section")
    password_param = "password"

    #comment out the line below to test with plain text passwords
    password_param, password = hash_password(domain, username, password)

    domain = (
        E.domain(
            E.params(
                E.param(
                    name="dial-string", 
                    value='{presence_id=${dialed_user}@${dialed_domain}}${sofia_contact(${dialed_user}@${dialed_domain})}'
                )
            ),
            E.groups(
                E.group(
                    E.user(
                        E.params(
                            E.param(name=password_param, password=password)
                        )
                    ,id=username)
                ,name="default")
                )
        ,name=domain)
    )
    section.append(domain)

document = create_base_directory_xml_doc()
add_directory_domain_user(document, "domain234.blah.testtld", "user123", "password345")
print(etree.tostring(document, pretty_print=True))

sample output

Content-Type: text/xml

<document type="freeswitch/xml">
  <section>
    <domain name="domain234.blah.testtld">
      <params>
        <param name="dial-string" value="{presence_id=${dialed_user}@${dialed_domain}}${sofia_contact(${dialed_user}@${dialed_domain})}"/>
      </params>
      <groups>
        <group name="default">
          <user id="user123">
            <params>
              <param password="3333600b55ffe6621ef6f9931886aae3" name="a1-hash"/>
            </params>
          </user>
        </group>
      </groups>
    </domain>
  </section>
</document>