You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
223 lines
8.4 KiB
PHP
223 lines
8.4 KiB
PHP
<?php
|
|
|
|
/**
|
|
* Handlers User level alias actions - e.g. add alias, get aliases, update etc.
|
|
*/
|
|
class AliasHandler {
|
|
|
|
private $username = null;
|
|
|
|
|
|
# TODO: implement a "delete" method. Pseudocode:
|
|
# - check if alias exists
|
|
# - check if mailbox exists - if yes, error out (never delete the alias of a mailbox!)
|
|
# - (if still here) delete alias
|
|
|
|
/**
|
|
* @param string $username
|
|
*/
|
|
public function __construct($username) {
|
|
$this->username = strtolower($username);
|
|
}
|
|
|
|
/**
|
|
* @return array - list of email addresses the user's mail is forwarded to.
|
|
* (may be an empty list, especially if $CONF['alias_control'] is turned off...)
|
|
* @param boolean - by default we don't return special addresses (e.g. vacation and mailbox alias); pass in true here if you wish to.
|
|
*/
|
|
public function get($all=false) {
|
|
$username = escape_string($this->username);
|
|
$table_alias = table_by_key('alias');
|
|
|
|
$sql = "SELECT * FROM $table_alias WHERE address='$username'";
|
|
$result = db_query($sql);
|
|
if($result['rows'] != 1) {
|
|
return false;
|
|
}
|
|
|
|
# TODO: whitespace fix: move ~20 lines below one step left
|
|
$row = db_array ($result['result']);
|
|
// At the moment Postfixadmin stores aliases in it's database in a comma seperated list; this may change one day.
|
|
$list = explode(',', $row['goto']);
|
|
if($all) {
|
|
$this->return = $list;
|
|
return true;
|
|
}
|
|
|
|
$filtered_list = array();
|
|
/* if !$all, remove vacation & mailbox aliases */
|
|
foreach($list as $address) {
|
|
if($address != '' ) {
|
|
if($this->is_vacation_address($address) || $this->is_mailbox_alias($address)) {
|
|
# TODO: store "vacation_active" and "mailbox" status - should be readable public
|
|
}
|
|
else {
|
|
$filtered_list[] = $address;
|
|
}
|
|
}
|
|
}
|
|
$this->return = $filtered_list;
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @param string $address
|
|
* @param string $username
|
|
* @return boolean true if the username is an alias for the mailbox AND we have alias_control turned off.
|
|
* TODO: comment for @return: does alias_control really matter here?
|
|
*/
|
|
public function is_mailbox_alias($address) {
|
|
global $CONF;
|
|
$username = $this->username;
|
|
if($address == $username) {
|
|
# TODO: check (via SQL query) if there is really a mailbox with this address
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @param string $address
|
|
* @return boolean true if the address contains the vacation domain
|
|
*/
|
|
public function is_vacation_address($address) {
|
|
global $CONF;
|
|
if($CONF['vacation'] == 'YES') {
|
|
if(stripos($address, '@' . $CONF['vacation_domain'])) { # TODO: check full vacation address user#domain.com@vacation_domain
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* @return boolean true on success
|
|
* @param string $username
|
|
* @param array $addresses - list of aliases to set for the user.
|
|
* @param string flags - forward_and_store or remote_only or ''
|
|
* @param boolean $vacation_persist - set to false to stop the vacation address persisting across updates
|
|
* Set the user's aliases to those provided. If $addresses ends up being empty the alias record is removed. # TODO: deleting that's buggy behaviour, error out instead
|
|
*/
|
|
public function update($addresses, $flags = '', $vacation_persist=true) {
|
|
// find out if the user is on vacation or not; if they are,
|
|
// then the vacation alias needs adding to the db (as we strip it out in the get method)
|
|
// likewise with the alias_control address.
|
|
|
|
# TODO: move all validation from edit-alias/create-alias and users/edit-alias here
|
|
|
|
$valid_flags = array('', 'forward_and_store', 'remote_only');
|
|
if(!in_array($flags, $valid_flags)) {
|
|
die("Invalid flag passed into update()... : $flag - valid options are :" . implode(',', $valid_flags));
|
|
}
|
|
$addresses = array_unique($addresses);
|
|
|
|
list (/*NULL*/, $domain) = explode('@', $this->username);
|
|
|
|
if ( ! $this->get(true) ) die("Alias not existing?"); # TODO: better error behaviour
|
|
|
|
foreach($this->return as $address) {
|
|
if($vacation_persist) {
|
|
if($this->is_vacation_address($address)) {
|
|
$addresses[] = $address;
|
|
}
|
|
}
|
|
if($flags != 'remote_only') {
|
|
if($this->is_mailbox_alias($address)) {
|
|
$addresses[] = $address;
|
|
}
|
|
}
|
|
}
|
|
$addresses = array_unique($addresses);
|
|
|
|
$new_list = array();
|
|
if($flags == 'remote_only') {
|
|
foreach($addresses as $address) { # TODO: write a remove_from_array function, see http://tech.petegraham.co.uk/2007/03/22/php-remove-values-from-array/
|
|
// strip out our username... if it's in the list given.
|
|
if($address != $this->username) {
|
|
$new_list[] = $address;
|
|
}
|
|
}
|
|
$addresses = $new_list;
|
|
}
|
|
|
|
if($flags == 'forward_and_store') {
|
|
if(!in_array($this->username, $addresses)) {
|
|
$addresses[] = $this->username;
|
|
}
|
|
}
|
|
$new_list = array();
|
|
foreach($addresses as $address) {
|
|
if($address != '') {
|
|
$new_list[] = $address; # TODO use remove_from_array, see above
|
|
}
|
|
}
|
|
$addresses = array_unique($new_list);
|
|
$E_username = escape_string($this->username);
|
|
$goto = implode(',', $addresses);
|
|
# $table_alias = table_by_key('alias');
|
|
if(sizeof($addresses) == 0) {
|
|
# $result = db_delete('alias', 'address', $this->username); # '"DELETE FROM $table_alias WHERE address = '$username'"; # TODO: should never happen and causes broken behaviour
|
|
error_log("Alias set to empty / Attemp to delete: " . $this->username); # TODO: more/better error handling - maybe just return false?
|
|
}
|
|
if($this->hasAliasRecord() == false) { # TODO should never happen in update() - see also the comments on handling DELETE above
|
|
$true = db_get_boolean(True);
|
|
$alias_data = array(
|
|
'address' => $this->username,
|
|
'goto' => $goto,
|
|
'domain' => $domain,
|
|
'active' => db_get_boolean(True),
|
|
);
|
|
$result = db_insert('alias', $alias_data);
|
|
# $sql = "INSERT INTO $table_alias (address, goto, domain, created, modified, active) VALUES ('$username', '$goto', '$domain', NOW(), NOW(), '$true')";
|
|
# $result = db_query($sql);
|
|
}
|
|
else {
|
|
$alias_data = array(
|
|
'goto' => $goto,
|
|
);
|
|
$result = db_update('alias', "address = '$E_username'", $alias_data);
|
|
# $sql = "UPDATE $table_alias SET goto = '$goto', modified = NOW() WHERE address = '$username'";
|
|
}
|
|
if($result != 1) {
|
|
return false;
|
|
}
|
|
db_log($this->username, $domain, 'edit_alias', "$E_username -> $goto");
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Determine whether a local delivery address is present. This is
|
|
* stores as an alias with the same name as the mailbox name (username)
|
|
* @return boolean true if local delivery is enabled
|
|
*/
|
|
public function hasStoreAndForward() {
|
|
$result = $this->get(true); # TODO: error checking?
|
|
if(in_array($this->username, $this->return)) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @return boolean true if the user has an alias record (i.e row in alias table); else false.
|
|
*/
|
|
public function hasAliasRecord() {
|
|
$username = escape_string($this->username);
|
|
$table_alias = table_by_key('alias');
|
|
$sql = "SELECT * FROM $table_alias WHERE address = '$username'";
|
|
$result = db_query($sql);
|
|
if($result['rows'] == 1) {
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* @return return value of previously called method
|
|
*/
|
|
public function result() {
|
|
return $this->return;
|
|
}
|
|
}
|
|
|
|
/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
|