root/contributed_modules/modules/ldapcidlookup/functions.inc.php

<?php /* $Id */
//Copyright (C) 2006 WeBRainstorm S.r.l. (ask@webrainstorm.it)
//
//This program is free software; you can redistribute it and/or
//modify it under the terms of the GNU General Public License
//as published by the Free Software Foundation; either version 2
//of the License, or (at your option) any later version.
//
//This program is distributed in the hope that it will be useful,
//but WITHOUT ANY WARRANTY; without even the implied warranty of
//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//GNU General Public License for more details.

function ldapcidlookup_hook_core($viewing_itemid, $target_menuid) {
  // TODO: add option to avoid callerid lookup if the telco already supply a callerid name (Overwrite checkbox ? )
  $html = '';
  if ($target_menuid == 'did')  {
    $html = '<tr><td colspan="2"><h5>';
    $html .= _("CID Lookup Source");
    $html .= '<hr></h5></td></tr>';
    $html .= '<tr>';
    $html .= '<td><a href="#" class="info">';
    $html .= _("Source").'<span>'._("Sources can be added in Caller Name Lookup Sources section").'.</span></a>:</td>';
    $html .= '<td><select name="cidlookup_id">';
    $sources = cidlookup_list();
    $current = cidlookup_did_get($viewing_itemid);
    foreach ($sources as $source)
      $html .= sprintf('<option value="%d" %s>%s</option>', $source['cidlookup_id'], ($current == $source['cidlookup_id']?'selected':''), $source['description']);
    $html .= '</select></td></tr>';
/* 
    // Not yet fully implemented
    $html .= '<tr>';
    $html .= '<td><a href="#" class="info">';
    $html .= _("Overwrite Caller Name").'<span>'._("This option let the source specified overwrite the caller name if already supplied from telco").'.</span></a>:</td>';
    $html .= '<td><input type="checkbox" name="overwrite" value="1"></td>';
    $html .= '</tr>';
*/

  }

  return $html;
  
}

function ldapcidlookup_hookProcess_core($viewing_itemid, $request) {
  
  // TODO: move sql to functions cidlookup_did_(add, del, edit)
  if (!isset($request['action']))
    return;
  switch ($request['action']) {
    case 'addIncoming':
      $results = sql(sprintf('INSERT INTO cidlookup_incoming (cidlookup_id, extension, cidnum, channel) VALUES ("%d", "%s", "%s", "%s")', 
        $request['cidlookup_id'], $request['extension'], $request['cidnum'], $request['channel']));
    break;
    case 'delIncoming':
      $extarray = explode('/', $request['extdisplay'], 3);
      $results = sql(sprintf("DELETE FROM cidlookup_incoming WHERE extension = '%s' AND cidnum = '%s' AND channel = '%s'",
        $extarray[0], $extarray[1], $extarray[2]));
    break;
    case 'edtIncoming': // deleting and adding as in core module
      $extarray = explode('/', $request['extdisplay'], 3);
      $results = sql(sprintf("DELETE FROM cidlookup_incoming WHERE extension = '%s' AND cidnum = '%s' AND channel = '%s'",
        $extarray[0], $extarray[1], $extarray[2]));
      $results = sql(sprintf('INSERT INTO cidlookup_incoming (cidlookup_id, extension, cidnum, channel) VALUES ("%d", "%s", "%s", "%s")', 
        $request['cidlookup_id'], $request['extension'], $request['cidnum'], $request['channel']));
    break;
  }
}


function ldapcidlookup_hookGet_config($engine) {
  // TODO: integrating with direct extension <-> DID association
  // TODO: add option to avoid callerid lookup if the telco already supply a callerid name (GosubIf)
  global $ext;  // is this the best way to pass this?
  switch($engine) {
    case "asterisk":
      $pairing = cidlookup_did_list();
      if(is_array($pairing)) {
        foreach($pairing as $item) {
          if ($item['cidlookup_id'] != 0) {

            // Code from modules/core/functions.inc.php core_get_config inbound routes
            $exten = $item['extension'];
            $cidnum = $item['cidnum'];
            $channel = $item['channel'];
            
            $exten = (empty($exten)?"s":$exten);
            $exten = $exten.(empty($cidnum)?"":"/".$cidnum); //if a CID num is defined, add it

            if (empty($channel))
              $context = "ext-did";
            else 
              $context = "macro-from-zaptel-{$channel}";

            $ext->splice($context, $exten, 1, new ext_gosub('1', 'cidlookup_'.$item['cidlookup_id'], 'cidlookup'));
//            $ext->splice($context, $exten, 2, new ext_gosub('1', 's', 'inbound-caller-notification'));
          
          }
        }
      }
    break;
  }

}

/*

//  Generates dialplan for cidlookup
//  We call this with retrieve_conf

*/

function cidlookup_get_config($engine) {
  // TODO: discuss if mysql and http lookup should be implemented in dialplan or in an external AGI
  global $ext;  // is this the best way to pass this?
  global $asterisk_conf;
  switch($engine) {
    case "asterisk":
      $sources = cidlookup_list();
      if(is_array($sources)) {
        foreach($sources as $item) {

          // Search for number in the cache, if found lookupcidnum and return
          if ($item['cidlookup_id'] != 0) {
            if ($item['cache'] == 1 && $item['sourcetype'] != 'internal') {
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_gotoif('$[${DB_EXISTS(cidname/${CALLERID(num)})} = 1]', 'cidlookup,cidlookup_return,1'));
            }
          }

          switch($item['sourcetype']) {

            case "internal":
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_lookupcidname(''));
            break;

            case "enum":
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_txtcidname('${CALLERID(num)}'));
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_setvar('CALLERID(name)', '${TXTCIDNAME}'));
            break;

            case "http":
              if (!empty($item['http_username']) && !empty($item['http_password']))
                $auth = sprintf('%s:%s@', $item['http_username'], $item['http_password']);
              else
                $auth = '';
                
              if (!empty($item['http_port']))
                $host = sprintf('%s:%d', $item['http_host'], $item['http_port']);
              else
                $host = $item['http_host'].':80';

              if (substr($item['http_path'], 0, 1) == '/')
                $path = substr($item['http_path'], 1);
              else
                $path = $item['http_path'];
                
              $query = str_replace('[NUMBER]', '${CALLERID(num)}', $item['http_query']);
              $url = sprintf('http://%s%s/%s?%s', $auth, $host, $path, $query);
              $curl = sprintf('${CURL(%s)}', $url);
              
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_setvar('CALLERID(name)', $curl));
            break;

            case "mysql":
              //Escaping MySQL query - thanks to http://www.asteriskgui.com/index.php?get=utilities-mysqlscape

              $replacements = array (
                  '\\' => '\\\\',
                  '"' => '\\"',
                  '\'' => '\\\'',
                  ' ' => '\\ ',
                  ',' => '\\,',
                  '(' => '\\(',
                  ')' => '\\)',
                  '.' => '\\.',
                  '|' => '\\|'
              );
              
              $query = str_replace(array_keys($replacements), array_values($replacements), $item['mysql_query']);
              $query = str_replace('[NUMBER]', '${CALLERID(num)}', $query);

              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_mysql_connect('connid', $item['mysql_host'],  $item['mysql_username'],  $item['mysql_password'],  $item['mysql_dbname']));             
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_mysql_query('resultid', 'connid', $query));
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_mysql_fetch('fetchid', 'resultid', 'CALLERID(name)'));
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_mysql_clear('resultid'));              
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_mysql_disconnect('connid'));
            break;

            // TODO: implement SugarCRM lookup, look at code snippet at http://nerdvittles.com/index.php?p=82
            case "sugarcrm":
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_noop('SugarCRM not yet implemented'));
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_return(''));
            case "ldap":
              $newbase = str_replace(',', '@', $item['ldap_base']);
              $newformat = str_replace(' ', '@', $item['ldap_format']);
              $lookup = new ext_agi('ldapcidlookup.agi');
              $lookup->data .= ',HOST='.$item['ldap_host'];
              $lookup->data .= ',USER='.$item['ldap_username'];
              $lookup->data .= ',PASS='.$item['ldap_password'];
              $lookup->data .= ',AREA='.$item['ldap_prefix'];
              $lookup->data .= ',FORMAT='.$newformat;
              $lookup->data .= ',DN='.$newbase;
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', $lookup);
            break;
          }

          // Put numbers in the cache
          if ($item['cidlookup_id'] != 0) {
            if ($item['cache'] == 1 && $item['sourcetype'] != 'internal') {
              $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_db_put('cidname', '${CALLERID(num)}', '${CALLERID(name)}' ));
            }
            $ext->add('cidlookup', 'cidlookup_'.$item['cidlookup_id'], '', new ext_return(''));
          }
        }

        $ext->add('cidlookup', 'cidlookup_return', '', new ext_lookupcidname(''));
        $ext->add('cidlookup', 'cidlookup_return', '', new ext_return(''));
      }
    break;
  }
}


function cidlookup_did_get($did){
  $extarray = explode('/', $did, 3);
  if(count($extarray) == 3) { // differentiate beetween '//' (Any did / any cid and '' empty string)
    $sql = sprintf("SELECT cidlookup_id FROM cidlookup_incoming WHERE extension = '%s' AND cidnum = '%s' AND channel = '%s'", $extarray[0], $extarray[1], $extarray[2]);
    $result = sql($sql, "getRow", DB_FETCHMODE_ASSOC);
    if(is_array($result)){
      return $result['cidlookup_id'];
    } else
      return null;
  } else { // $did is an empty string (for example when adding a new did)
    return 0;
  }
}

function cidlookup_did_list() {
  $results = sql("SELECT * FROM cidlookup_incoming","getAll",DB_FETCHMODE_ASSOC);
  return is_array($results)?$results:null;
}

function cidlookup_list() {
  // TODO: discuss department isolation of sources
  $allowed = array(array('cidlookup_id' => 0, 'description' => _("None"), 'sourcetype' => null));
  $results = sql("SELECT * FROM cidlookup","getAll",DB_FETCHMODE_ASSOC);
  if(is_array($results)){
    foreach($results as $result){
      // check to see if we have a dept match for the current AMP User.
      if (checkDept($result['deptname'])){
        // return this item
        $allowed[] = $result;
      }
    }
  }
  return isset($allowed)?$allowed:null;
}

function cidlookup_get($id){
  $results = sql("SELECT * FROM cidlookup WHERE cidlookup_id = '$id'","getRow",DB_FETCHMODE_ASSOC);
  return isset($results)?$results:null;
}

function cidlookup_del($id){
  // Deleting source and its associations
  $results = sql("DELETE FROM cidlookup WHERE cidlookup_id = '$id'","query");
  $results = sql("DELETE FROM cidlookup_incoming WHERE cidlookup_id = '$id'","query");
}

function cidlookup_add($post){
  if(!cidlookup_chk($post))
    return false;
  extract($post);
  if (!isset($cache))
    $cache = 0;
  $results = sql("
    INSERT INTO cidlookup
      (description, sourcetype, cache, deptname, http_host, http_port, http_username, http_password, http_path, http_query, mysql_host, mysql_dbname, mysql_query, mysql_username, mysql_password,ldap_host,ldap_username,ldap_password,ldap_base,ldap_prefix,ldap_format)
    VALUES 
      (\"$description\", \"$sourcetype\", \"$cache\", \"$deptname\", \"$http_host\", \"$http_port\", \"$http_username\", \"$http_password\", \"$http_path\", \"$http_query\", \"$mysql_host\", \"$mysql_dbname\", \"$mysql_query\", \"$mysql_username\", \"$mysql_password\",\"$ldap_host\",\"$ldap_username\",\"$ldap_password\",\"$ldap_base\",\"$ldap_prefix\",\"$ldap_format\")
    ");
}

function cidlookup_edit($id,$post){
  if(!cidlookup_chk($post))
    return false;
  extract($post);
  if ($cache != 1)
    $cache = 0;
  $results = sql("
    UPDATE cidlookup 
    SET 
      description = \"$description\", 
      deptname = \"$deptname\", 
      sourcetype = \"$sourcetype\" ,
      cache = \"$cache\",
      http_host = \"$http_host\",
      http_port = \"$http_port\",
      http_username = \"$http_username\",
      http_password = \"$http_password\",
      http_path = \"$http_path\",
      http_query = \"$http_query\",
      mysql_host = \"$mysql_host\",
      mysql_dbname = \"$mysql_dbname\",
      mysql_query = \"$mysql_query\",
      mysql_username = \"$mysql_username\",
      mysql_password  = \"$mysql_password\",
      ldap_host = \"$ldap_host\",
      ldap_username = \"$ldap_username\",
      ldap_password = \"$ldap_password\",
      ldap_base = \"$ldap_base\",
      ldap_prefix = \"$ldap_prefix\",
      ldap_format = \"$ldap_format\"
    WHERE cidlookup_id = \"$id\"");
}

// ensures post vars is valid
function cidlookup_chk($post){
  // TODO: Add sanity checks on $_POST
  return true;
}
?>