<?php
# $Id$
/**
* Simple class to represent a user.
*/
class MailboxHandler extends PFAHandler {
protected $domain_field = 'domain';
# init $this->struct, $this->db_table and $this->id_field
protected function initStruct() {
$this->db_table = 'mailbox';
$this->id_field = 'username';
$this->struct=array(
# field name allow display in... type $PALANG label $PALANG description default / options / ...
# editing? form list
'username' => pacol( $this->new, 1, 1, 'text', 'pEdit_mailbox_username' , '' , '' ),
'local_part' => pacol( $this->new, 0, 0, 'text', 'pEdit_mailbox_username' , '' , '' ),
'domain' => pacol( $this->new, 0, 0, 'enum', '' , '' , '',
/*options*/ $this->allowed_domains ),
# TODO: maildir: display in list is needed to include maildir in SQL result (for post_edit hook)
# TODO: (not a perfect solution, but works for now - maybe we need a separate "include in SELECT query" field?)
'maildir' => pacol( 0, 0, 1, 'text', '' , '' , '' ),
'password' => pacol( 1, 1, 0, 'pass', 'pCreate_mailbox_password' , 'pCreate_mailbox_password_text' , '' ),
'password2' => pacol( 1, 1, 0, 'pass', 'pCreate_mailbox_password2' , '' , '',
/*options*/ '',
/*not_in_db*/ 0,
/*dont_write_to_db*/ 1,
/*select*/ 'password as password2'
),
'name' => pacol( 1, 1, 1, 'text', 'pEdit_mailbox_name' , 'pCreate_mailbox_name_text' , '' ),
'quota' => pacol( 1, 1, 1, 'int' , 'pEdit_mailbox_quota' , 'pEdit_mailbox_quota_text' , '' ), # in MB
# read_from_db_postprocess() also sets 'quotabytes' for use in init()
'active' => pacol( 1, 1, 1, 'bool', 'pCreate_mailbox_active' , '' , 1 ),
'welcome_mail' => pacol( $this->new, $this->new, 0, 'bool', 'pCreate_mailbox_mail' , '' , 1,
/*options*/ '',
/*not_in_db*/ 1 ),
'created' => pacol( 0, 0, 1, 'ts', 'created' , '' ),
'modified' => pacol( 0, 0, 1, 'ts', 'pAdminList_domain_modified' , '' ),
# TODO: add virtual 'notified' column and allow to display who received a vacation response?
);
}
public function init($id) {
$retval = parent::init($id);
@list($local_part,$domain) = explode ('@', $id); # supress error message if $id doesn't contain '@'
if ($this->new) {
# TODO
} else {
# show max allowed quota in quota field description
list(/*NULL*/,$domain) = explode('@', $this->id);
$currentquota = $this->return['quotabytes']; # parent::init called ->view()
$maxquota = allowed_quota($domain, $currentquota);
$this->struct['quota']['desc'] = sprintf(Lang::Read('mb_max'), $maxquota);
}
return $retval;
}
protected function initMsg() {
$this->msg['error_already_exists'] = 'pCreate_mailbox_username_text_error2';
$this->msg['error_does_not_exist'] = 'pCreate_mailbox_username_text_error1';
if ($this->new) {
$this->msg['logname'] = 'create_mailbox';
$this->msg['store_error'] = 'pCreate_mailbox_result_error';
} else {
$this->msg['logname'] = 'edit_mailbox';
$this->msg['store_error'] = 'pCreate_mailbox_result_error'; # TODO: better error message
}
}
public function webformConfig() {
if ($this->new) { # the webform will display a local_part field + domain dropdown on $new
$this->struct['username']['display_in_form'] = 0;
$this->struct['local_part']['display_in_form'] = 1;
$this->struct['domain']['display_in_form'] = 1;
}
return array(
# $PALANG labels
'formtitle_create' => 'pCreate_mailbox_welcome',
'formtitle_edit' => 'pEdit_mailbox_welcome',
'create_button' => 'pCreate_mailbox_button',
'successmessage' => 'pCreate_mailbox_result_success',
# various settings
'required_role' => 'admin',
'listview' => 'list-virtual.php',
'early_init' => 0,
'prefill' => array('domain'),
);
}
protected function validate_new_id() {
if ($this->id == '') {
$this->errormsg[] = Lang::read('pCreate_mailbox_username_text_error1');
return false;
}
list($local_part,$domain) = explode ('@', $this->id);
if(!$this->create_allowed($domain)) {
$this->errormsg[] = Lang::read('pCreate_mailbox_username_text_error3');
return false;
}
# check if an alias with this name already exists - if yes, don't allow to create the mailbox
$handler = new AliasHandler(1);
if (!$handler->init($this->id)) {
$this->errormsg[] = Lang::read('pCreate_mailbox_username_text_error2');
return false;
}
return check_email($this->id); # TODO: check_email should return error message instead of using flash_error itsself
}
/**
* check number of existing mailboxes for this domain - is one more allowed?
*/
private function create_allowed($domain) {
$limit = get_domain_properties ($domain);
if ($limit['mailboxes'] == 0) return true; # unlimited
if ($limit['mailboxes'] < 0 ) return false ; # disabled
if ($limit['mailbox_count'] >= $limit['mailboxes']) return false;
return true;
}
/**
* merge local_part and domain to address
* called by edit.php (if id_field is editable and hidden in editform) _before_ ->init
*/
public function mergeId($values) {
if ($this->struct['local_part']['display_in_form'] == 1 & & $this->struct['domain']['display_in_form']) { # webform mode - combine to 'address' field
if (empty($values['local_part']) || empty($values['domain']) ) { # local_part or domain not set
return "";
}
return $values['local_part'] . '@' . $values['domain'];
} else {
return $values[$this->id_field];
}
}
protected function read_from_db_postprocess($db_result) {
foreach ($db_result as $key => $row) {
$db_result[$key]['quotabytes'] = $row['quota'];
$db_result[$key]['quota'] = divide_quota($row['quota']); # convert quota to MB
}
return $db_result;
}
protected function setmore($values) {
$this->values['quota'] = multiply_quota($values['quota']); # convert quota from MB to bytes
}
protected function storemore() {
if ($this->new) {
# TODO: create alias
# TODO: postcreate hook
# TODO: send welcome mail
# TODO: create mailbox subfolders
# TODO: --- most of this is probably already in $this->add() already ---
} else {
# TODO: update alias (active status)
# postedit hook
# TODO: implement a poststore() function? - would make handling of old and new values much easier...
list(/*NULL*/,$domain) = explode('@', $this->id);
$old_mh = new MailboxHandler();
if (!$old_mh->init($this->id)) {
$this->errormsg[] = $old_mh->errormsg[0];
} elseif (!$old_mh->view()) {
$this->errormsg[] = $old_mh->errormsg[0];
} else {
$oldvalues = $old_mh->result();
$maildir = $oldvalues['maildir'];
if (isset($this->values['quota'])) {
$quota = $this->values['quota'];
} else {
$quota = $oldvalues['quota'];
}
if ( !mailbox_postedit($this->id,$domain,$maildir, $quota)) {
$this->errormsg[] = $PALANG['pEdit_mailbox_result_error']; # TODO: more specific error message
}
}
}
return true; # even if a hook failed, mark the overall operation as OK
}
/* function already exists (see old code below
public function delete() {
$this->errormsg[] = '*** deletion not implemented yet ***';
return false; # XXX function aborts here! XXX
}
*/
/**
* check if quota is allowed
*/
protected function _field_quota($field, $val) {
list(/*NULL*/,$domain) = explode('@', $this->id);
if ( !check_quota ($val, $domain, $this->id) ) {
$this->errormsg[$field] = Lang::Read('pEdit_mailbox_quota_text_error');
return false;
}
}
/**
* compare password / password2 field
* error message will be displayed at the password2 field
*/
protected function _field_password2($field, $val) {
return $this->compare_password_fields('password', 'password2');
}
/********************************************************************************************************************
old functions - we'll see what happens to them
(at least they should use the *Handler functions instead of doing SQL)
/********************************************************************************************************************/
/**
* @return boolean true on success; false on failure
* @param string $old_password
* @param string $new_passwords
* @param bool $match = true
*
* All passwords need to be plain text; they'll be hashed appropriately
* as per the configuration in config.inc.php
*/
public function change_pw($new_password, $old_password, $match = true) {
list(/*NULL*/,$domain) = explode('@', $this->id);
if ($match == true) {
if (!$this->login($this->id, $old_password)) {
db_log ($domain, 'edit_password', "MATCH FAILURE: " . $this->id);
$this->errormsg[] = 'Passwords do not match'; # TODO: make translatable
return false;
}
}
$set = array(
'password' => pacrypt($new_password) ,
);
$result = db_update('mailbox', 'username', $this->id, $set );
if ($result != 1) {
db_log ($domain, 'edit_password', "FAILURE: " . $this->id);
$this->errormsg[] = Lang::read('pEdit_mailbox_result_error');
return false;
}
db_log ($domain, 'edit_password', $this->id);
return true;
}
/**
* Attempt to log a user in.
* @param string $username
* @param string $password
* @return boolean true on successful login (i.e. password matches etc)
*/
public static function login($username, $password) {
$username = escape_string($username);
$table_mailbox = table_by_key('mailbox');
$active = db_get_boolean(True);
$query = "SELECT password FROM $table_mailbox WHERE username='$username' AND active='$active'";
$result = db_query ($query);
if ($result['rows'] == 1) {
$row = db_array ($result['result']);
$crypt_password = pacrypt ($password, $row['password']);
if($row['password'] == $crypt_password) {
return true;
}
}
return false;
}
/**
* Add mailbox
* @param password string password of account
* @param gen boolean
* @param name string
*
*/
public function add($password, $name = '', $quota = -999, $active = true, $mail = true ) {
# FIXME: default value of $quota (-999) is intentionally invalid. Add fallback to default quota.
# Solution: Invent an sub config class with additional informations about domain based configs like default qouta.
# FIXME: Should the parameters be optional at all?
# TODO: check if parameters are valid/allowed (quota?).
# TODO: most code should live in a separate function that can be used by add and edit.
# TODO: On the longer term, the web interface should also use this class.
# TODO: copy/move all checks and validations from create-mailbox.php here
$username = $this->id;
list($local_part,$domain) = explode ('@', $username);
#TODO: more self explaining language strings!
if(!check_mailbox ($domain)) {
$this->errormsg[] = Lang::read('pCreate_mailbox_username_text_error3');
return false;
}
# check if an alias with this name already exists
$result = db_query ("SELECT * FROM " . table_by_key('alias') . " WHERE address='" . escape_string($username) . "'");
if ($result['rows'] == 1) {
$this->errormsg[] = Lang::read('pCreate_mailbox_username_text_error2');
return false;
}
$plain = $password;
$password = pacrypt ($password);
# TODO: if we want to have the encryption method in the encrypted password string, it should be done in pacrypt(). No special handling here!
# if ( preg_match("/^dovecot:/", Config::read('encrypt')) ) {
# $split_method = preg_split ('/:/', Config::read('encrypt'));
# $method = strtoupper($split_method[1]);
# $password = '{' . $method . '}' . $password;
# }
#TODO: 2nd clause should be the first for self explaining code.
#TODO: When calling config::Read with parameter we sould be right that read return false if the parameter isn't in our config file.
if(Config::read('maildir_name_hook') != 'NO' & & function_exists(Config::read('maildir_name_hook')) ) {
$hook_func = $CONF['maildir_name_hook'];
$maildir = $hook_func ($fDomain, $fUsername);
} elseif (Config::read('domain_path') == "YES") {
if (Config::read('domain_in_mailbox') == "YES") {
$maildir = $domain . "/" . $username . "/";
} else {
$maildir = $domain . "/" . $local_part . "/";
}
} else {
# If $CONF['domain_path'] is set to NO, $CONF['domain_in_mailbox] is forced to YES.
# Otherwise user@example.com and user@foo.bar would be mixed up in the same maildir "user/".
$maildir = $username . "/";
}
db_begin();
$active = db_get_boolean($active);
$quota = multiply_quota ($quota);
$alias_data = array(
'address' => $username,
'goto' => $username,
'domain' => $domain,
'active' => $active,
);
$result = db_insert('alias', $alias_data);
#MARK: db_insert returns true/false??
if ($result != 1) {
$this->errormsg[] = Lang::read('pAlias_result_error') . "\n($username -> $username)\n";
return false;
}
$mailbox_data = array(
'username' => $username,
'password' => $password,
'name' => $name,
'maildir' => $maildir,
'local_part' => $local_part,
'quota' => $quota,
'domain' => $domain,
'active' => $active,
);
$result = db_insert('mailbox', $mailbox_data);
#MARK: Same here!
if ($result != 1 || !mailbox_postcreation($username,$domain,$maildir, $quota)) {
$this->errormsg[] = Lang::read('pCreate_mailbox_result_error') . "\n($username)\n";
db_rollback();
return false;
} else {
db_commit();
db_log ($domain, 'create_mailbox', $username);
if ($mail == true) {
# TODO: move "send the mail" to a function
$fTo = $username;
$fFrom = smtp_get_admin_email();
if(empty($fFrom) || $fFrom == 'CLI') $fFrom = $this->id;
$fSubject = Lang::read('pSendmail_subject_text');
$fBody = Config::read('welcome_text');
if (!smtp_mail ($fTo, $fFrom, $fSubject, $fBody)) {
$this->errormsg[] = Lang::read('pSendmail_result_error');
return false;
}
}
create_mailbox_subfolders($username,$plain);
}
return true;
}
public function delete() {
$username = $this->id;
list(/*$local_part*/,$domain) = explode ('@', $username);
$E_username = escape_string($username);
$E_domain = escape_string($domain);
#TODO: At this level of table by key calls we should think about a solution in our query function and drupal like {mailbox} {alias}.
# Pseudocode for db_query etc.
# if {} in query then
# table_by_key( content between { and } )
# else error
$table_mailbox = table_by_key('mailbox');
$table_alias = table_by_key('alias');
$table_vacation = table_by_key('vacation');
$table_vacation_notification = table_by_key('vacation_notification');
db_begin();
#TODO: true/false replacement!
$error = 0;
$result = db_query("SELECT * FROM $table_alias WHERE address = '$E_username' AND domain = '$E_domain'");
if($result['rows'] == 1) {
$result = db_delete('alias', 'address', $username);
db_log ($domain, 'delete_alias', $username);
} else {
$this->errormsg[] = "no alias $username"; # todo: better message, make translatable
$error = 1;
}
/* is there a mailbox? if do delete it from orbit; it's the only way to be sure */
$result = db_query ("SELECT * FROM $table_mailbox WHERE username='$E_username' AND domain='$E_domain'");
if ($result['rows'] == 1) {
$result = db_delete('mailbox', 'username', $username);
$postdel_res=mailbox_postdeletion($username,$domain);
if ($result != 1 || !$postdel_res) {
$tMessage = Lang::read('pDelete_delete_error') . "$username (";
if ($result['rows']!=1) { # TODO: invalid test, $result is from db_delete and only contains the number of deleted rows
$tMessage.='mailbox';
if (!$postdel_res) $tMessage.=', ';
$this->errormsg[] = "no mailbox $username"; # todo: better message, make translatable
$error = 1;
}
if (!$postdel_res) {
$tMessage.='post-deletion';
$this->errormsg[] = "post-deletion script failed"; # todo: better message, make translatable
$error = 1;
}
$this->errormsg[] = $tMessage.')';
# TODO: does db_rollback(); make sense? Not sure because mailbox_postdeletion was already called (move the call checking the db_delete result?)
# TODO: maybe mailbox_postdeletion should be run after all queries, just before commit/rollback
$error = 1;
# return false; # TODO: does this make sense? Or should we still cleanup vacation and vacation_notification?
}
db_log ($domain, 'delete_mailbox', $username);
} else {
$this->errormsg[] = "no mailbox $username"; # TODO: better message, make translatable
$error = 1;
}
$result = db_query("SELECT * FROM $table_vacation WHERE email = '$E_username' AND domain = '$E_domain'");
if($result['rows'] == 1) {
db_delete('vacation', 'email', $username);
db_delete('vacation_notification', 'on_vacation', $username); # TODO: delete vacation_notification independent of vacation? (in case of "forgotten" vacation_notification entries)
}
db_commit();
if ($error != 0) return false;
return true;
}
}
/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
