git.defcon.no Git - hermes/blob - api/lib/common_functions.php

   1 <?php
   2 /*
   3 #  Copyright (c) 2012, Gjøvik University College
   4 #  All rights reserved.
   5
   6 #  Redistribution and use in source and binary forms, with or without
   7 #  modification, are permitted provided that the following conditions are met:
   8 #      * Redistributions of source code must retain the above copyright
   9 #        notice, this list of conditions and the following disclaimer.
  10 #      * Redistributions in binary form must reproduce the above copyright
  11 #        notice, this list of conditions and the following disclaimer in the
  12 #        documentation and/or other materials provided with the distribution.
  13 #      * Neither the name of the Gjøvik University College nor the
  14 #        names of its contributors may be used to endorse or promote products
  15 #        derived from this software without specific prior written permission.
  16 #
  17 #  THIS SOFTWARE IS PROVIDED BY Gjøvik University College ''AS IS'' AND ANY
  18 #  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 #  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 #  DISCLAIMED. IN NO EVENT SHALL Gjøvik University College BE LIABLE FOR ANY
  21 #  DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  22 #  (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  23 #  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  24 #  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25 #  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  26 #  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27 */
  28 require_once('config.php');
  29 require_once('lib/common_functions.php');
  30 require_once('lib/db_functions.php');
  31 require_once('lib/check_email.php');
  32
  33 $config = get_config();
  34
  35 function is_kamailio_domain ( $domain )
  36 {
  37         global $config;
  38         $query = sprintf("SELECT id FROM %s WHERE domain = '%s'",
  39                 $config['kamailio_domain_table'],
  40                 sql_clean( $domain )
  41         );
  42         $domain = sql_dbquery_single( $config['kamailio_db'], $query );
  43         if ( !$domain ) return false;
  44         return $domain['id'];
  45
  46 }
  47
  48 function get_servers( $domain )
  49 {
  50         global $config;
  51         $query = sprintf("SELECT registrar, r_port, proxy, p_port, prov_url FROM %s WHERE domain = '%s'",
  52                 $config['hermes_servers_table'],
  53                 sql_clean( $domain ));
  54         $servers = sql_dbquery_single( $config['hermes_db'], $query );
  55         return $servers;
  56 }
  57
  58 function verify_sipadress( $address ) //TODO: Improve/expand on the test!
  59 {
  60         return check_email_address($address); // A SIP address follows the requirements for email addresses...
  61         // Except that it permits the use of :portnumber notation!
  62         // TODO: Fix this so it allows :NNNN syntax for portnumbers...
  63 }
  64
  65 function split_sipaddress ( $address )
  66 {
  67         if ( !verify_sipadress( $address ) ) return null;
  68         $data = split('@', $address);
  69         if ( count( $data ) != 2 ) return null;
  70         return $data;
  71 }
  72
  73 function clean_mac ( $input )
  74 {
  75         $mac = strtolower(  preg_replace('/:/', '', $input) );
  76         if ( ! preg_match( '/^[a-f0-9]{1,}$/', $mac ) ) return null;
  77         if (strlen( $mac ) != 12 ) return null;
  78         return $mac;
  79 }
  80 ?>