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postfixadmin/model/MailboxHandler.php

558 lines
23 KiB
PHP

<?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, 'mail', '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( $this->new, 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, $this->new, 0, 'bool', 'pCreate_mailbox_mail' , '' , 1,
/*options*/ '',
/*not_in_db*/ 1 ),
'created' => pacol( 0, 0, 1, 'ts', 'created' , '' ),
'modified' => pacol( 0, 0, 1, 'ts', 'pAdminList_domain_modified' , '' ),
# TODO: add virtual 'notified' column and allow to display who received a vacation response?
);
# update allowed quota
if (count($this->struct['domain']['options']) > 0) $this->prefill('domain', $this->struct['domain']['options'][0]);
}
public function init($id) {
if (!parent::init($id)) {
return false;
}
list(/*NULL*/,$domain) = explode('@', $this->id);
if ($this->new) {
$currentquota = 0;
} else {
$currentquota = $this->return['quotabytes']; # parent::init called ->view()
}
$this->updateMaxquota($domain, $currentquota);
return true; # still here? good.
}
/**
* show max allowed quota in quota field description
* @param string - domain
* @param int - current quota
*/
protected function updateMaxquota ($domain, $currentquota) {
if ($domain == '') return false;
$maxquota = allowed_quota($domain, $currentquota);
if ($maxquota == 0) {
# TODO: show 'unlimited'
# } elseif ($maxquota < 0) {
# TODO: show 'disabled' - at the moment, just shows '-1'
} else {
$this->struct['quota']['desc'] = Lang::read_f('mb_max', $maxquota);
}
}
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';
$this->msg['successmessage'] = 'pCreate_mailbox_result_success';
} else {
$this->msg['logname'] = 'edit_mailbox';
$this->msg['store_error'] = 'pCreate_mailbox_result_error'; # TODO: better error message
$this->msg['successmessage'] = 'pCreate_mailbox_result_success'; # TODO: better message
}
}
public function webformConfig() {
if ($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(
# $PALANG labels
'formtitle_create' => 'pCreate_mailbox_welcome',
'formtitle_edit' => 'pEdit_mailbox_welcome',
'create_button' => 'pCreate_mailbox_button',
# various settings
'required_role' => 'admin',
'listview' => 'list-virtual.php',
'early_init' => 0,
'prefill' => array('domain'),
);
}
protected function validate_new_id() {
if ($this->id == '') {
$this->errormsg[$this->id_field] = Lang::read('pCreate_mailbox_username_text_error1');
return false;
}
$email_check = check_email($this->id);
if ( $email_check != '' ) {
$this->errormsg[$this->id_field] = $email_check;
return false;
}
list(/*NULL*/,$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)) {
$this->errormsg[] = Lang::read('pCreate_mailbox_username_text_error2');
return false;
}
return true; # still here? good!
}
/**
* check number of existing mailboxes for this domain - is one more allowed?
*/
private function create_allowed($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
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 $db_result;
}
protected function beforestore() {
if ( isset($this->values['quota']) && $this->values['quota'] != -1 ) {
$this->values['quota'] = $this->values['quota'] * Config::read('quota_multiplier'); # convert quota from MB to bytes
}
$ah = new AliasHandler($this->new, $this->admin_username);
$ah->calledBy('MailboxHandler');
if ( !$ah->init($this->id) ) {
$arraykeys = array_keys($ah->errormsg);
$this->errormsg[] = $ah->errormsg[$arraykeys[0]]; # TODO: implement this as PFAHandler->firstErrormsg()
return false;
}
$alias_data = array();
if (isset($this->values['active'])) { # might not be set in edit mode
$alias_data['active'] = $this->values['active'];
}
if ($this->new) {
$alias_data['goto'] == array($this->id); # 'goto_mailbox' = 1; # would be technically correct, but setting 'goto' is easier
}
if (!$ah->set($alias_data)) {
$this->errormsg[] = $ah->errormsg[0];
return false;
}
if (!$ah->store()) {
$this->errormsg[] = $ah->errormsg[0];
return false;
}
return true; # still here? good!
}
protected function storemore() {
if ($this->new) {
list(/*NULL*/,$domain) = explode('@', $this->id);
if ( !mailbox_postcreation($this->id,$domain,$this->values['maildir'], $this->values['quota']) ) {
$this->errormsg[] = Lang::read('pCreate_mailbox_result_error') . " ($this->id)";
# return false; # TODO: should this be fatal?
}
if ($this->values['welcome_mail'] == true) {
if ( !$this->send_welcome_mail() ) {
# return false; # TODO: should this be fatal?
}
}
if ( !create_mailbox_subfolders($this->id,$this->values['password'])) {
# TODO: implement $tShowpass
flash_info(Lang::read('pCreate_mailbox_result_succes_nosubfolders') . " ($fUsername$tShowpass)"); # TODO: don't use flash_info
} else { # everything ok
# TODO: implement $tShowpass
# flash_info(Lang::read('pCreate_mailbox_result_success']) . " ($fUsername$tShowpass)*"); # TODO: don't use flash_info
# TODO: currently edit.php displays the default success message from webformConfig
}
} else { # edit mode
# TODO: update alias (active status)
# postedit hook
# TODO: implement a poststore() function? - would make handling of old and new values much easier...
list(/*NULL*/,$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() {
$this->errormsg[] = '*** deletion not implemented yet ***';
return false; # XXX function aborts here! XXX
}
*/
protected function _prefill_domain($field, $val) {
if (in_array($val, $this->struct[$field]['options'])) {
$this->struct[$field]['default'] = $val;
$this->updateMaxquota($val, 0);
}
}
/**
* 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;
}
return true;
}
/**
* - compare password / password2 field (error message will be displayed at password2 field)
* - autogenerate password if enabled in config and $new
* - display password on $new if enabled in config or autogenerated
*/
protected function _field_password($field, $val) {
if (!$this->_field_password2($field, $val)) return false;
if ($this->new && Config::read('generate_password') == 'YES' && $val == '') {
# auto-generate new password
unset ($this->errormsg[$field]); # remove "password too short" error message
$val = generate_password();
$this->values[$field] = $val; # we are doing this "behind the back" of set()
$this->infomsg[] = "Password: $val"; # TODO: make translateable
return false; # to avoid that set() overwrites $this->values[$field]
} elseif ($this->new && Config::read('show_password') == 'YES') {
$this->infomsg[] = "Password: $val"; # TODO: make translateable
}
return true; # still here? good.
}
/**
* compare password / password2 field
* error message will be displayed at the password2 field
*/
protected function _field_password2($field, $val) {
return $this->compare_password_fields('password', 'password2');
}
/**
* on $this->new, set localpart based on address
*/
protected function _missing_local_part ($field) {
list($local_part,$domain) = explode ('@', $this->id);
$this->RAWvalues['local_part'] = $local_part;
}
/**
* on $this->new, set domain based on address
*/
protected function _missing_domain ($field) {
list($local_part,$domain) = explode ('@', $this->id);
$this->RAWvalues['domain'] = $domain;
}
/**
* calculate maildir path for the mailbox
*/
protected function _missing_maildir($field) {
list($local_part,$domain) = explode('@', $this->id);
#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 = $hook_func ($domain, $this->id);
} elseif (Config::read('domain_path') == "YES") {
if (Config::read('domain_in_mailbox') == "YES") {
$maildir = $domain . "/" . $this->id . "/";
} 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 = $this->id . "/";
}
$this->RAWvalues['maildir'] = $maildir;
}
private function send_welcome_mail() {
$fTo = $this->id;
$fFrom = smtp_get_admin_email();
if(empty($fFrom) || $fFrom == 'CLI') $fFrom = $this->id;
$fSubject = Lang::read('pSendmail_subject_text');
$fBody = Config::read('welcome_text');
if (!smtp_mail ($fTo, $fFrom, $fSubject, $fBody)) {
$this->errormsg[] = Lang::read('pSendmail_result_error');
return false;
} else {
# TODO flash_info($PALANG['pSendmail_result_success']);
}
return true;
}
/********************************************************************************************************************
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;
}
# remaining comments from add():
# 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: more self explaining language strings!
# 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;
# }
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: */