LDAPAccountManager/lam/lib/modules/nisMailAliasUser.inc

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<?php
/*
$Id$
This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
Copyright (C) 2014 Roland Gruber
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* Provides NIS mail alias management.
*
* @package modules
* @author Roland Gruber
*/
/**
* Provides NIS mail alias management.
*
* @package modules
*/
class nisMailAliasUser extends baseModule {
/** alias cache */
private $cachedAliasList = null;
/** recipient entries to delete (list of arrays: dn => attributes) */
private $recipientsToDelete = array();
/** complete alias entries to delete */
private $aliasesToDelete = array();
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/** new alias entries (list of arrays: dn => attributes) */
private $aliasesToAdd = array();
/** alias entries to extend with new recipients (list of arrays: dn => recipients) */
private $recipientsToAdd = array();
/**
* Returns true if this module can manage accounts of the current type, otherwise false.
*
* @return boolean true if module fits
*/
public function can_manage() {
return in_array($this->get_scope(), array('user'));
}
/**
* Returns meta data that is interpreted by parent class
*
* @return array array with meta data
*
* @see baseModule::get_metaData()
*/
function get_metaData() {
$return = array();
// icon
$return['icon'] = 'mailBig.png';
// alias name
$return["alias"] = _("Mail aliases");
// module dependencies
$return['dependencies'] = array('depends' => array(array('inetOrgPerson', 'posixAccount')), 'conflicts' => array());
// help Entries
$return['help'] = array(
'aliasUser' => array(
"Headline" => _("Alias names with user name"),
"Text" => _('Sets the alias names linked to the current user name.')
),
'aliasUserList' => array(
"Headline" => _("Alias names with user name"),
"Text" => _('Sets the alias names linked to the current user name.') . ' ' . _("Multiple values are separated by semicolon.")
),
'aliasMail' => array(
"Headline" => _("Alias names with email address"),
"Text" => _('Sets the alias names linked to the user\'s email address.')
),
'aliasUserList' => array(
"Headline" => _("Alias names with email address"),
"Text" => _('Sets the alias names linked to the user\'s email address.') . ' ' . _("Multiple values are separated by semicolon.")
),
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'suffix' => array(
"Headline" => _("Suffix"),
"Text" => _("Location where new alias is stored.")
),
'newAlias' => array(
"Headline" => _("Alias name"), 'attr' => 'cn',
"Text" => _("Name of new alias entry.")
),
'aliasNames' => array(
"Headline" => _("Alias names"), 'attr' => 'cn',
"Text" => _("Select one or more alias entries from the list to add the recipient.")
),
'hiddenOptions' => array(
"Headline" => _("Hidden options"),
"Text" => _("The selected options will not be managed inside LAM. You can use this to reduce the number of displayed input fields.")
),
);
// available PDF fields
$return['PDF_fields'] = array(
'alias' => _('Alias names'),
);
return $return;
}
/**
* This function fills the error message array with messages
*/
function load_Messages() {
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$this->messages['alias'][0] = array('ERROR', _('Alias name is invalid.'));
$this->messages['alias'][1] = array('ERROR', _('Alias name already exists.'));
}
/**
* Returns the HTML meta data for the main account page.
*
* @return htmlElement HTML meta data
*/
function display_html_attributes() {
$return = new htmlTable();
if (!$this->isMailAliasTypeActive()) {
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$return->addElement(new htmlStatusMessage('ERROR', _('Please activate the mail aliases type for this server profile.')));
return $return;
}
$aliases = $this->getMailAliasList();
$count = sizeof($aliases);
$userName = $this->getUserName();
$mails = $this->getMailAddresses();
if (!$this->isBooleanConfigOptionSet('nisMailAliasUser_hideUserAliases') && ($userName != null)) {
$return->addElement(new htmlSubTitle(_('Aliases for user name')), true);
$userTable = new htmlTable();
for ($i = 0; $i < $count; $i++) {
if (empty($aliases[$i]['rfc822mailmember'])) {
continue;
}
$dn = $aliases[$i]['dn'];
$members = $aliases[$i]['rfc822mailmember'];
if (in_array($userName, $members)
&& (!isset($this->recipientsToDelete[$dn]) || !in_array($userName, $this->recipientsToDelete[$dn]))
&& !in_array($dn, $this->aliasesToDelete)) {
$userTable->addElement(new htmlOutputText($aliases[$i]['cn'][0]));
$buttonGroup = new htmlGroup();
$remButton = new htmlButton('rem_' . $i, 'del.png', true);
$remButton->setTitle(_('Remove user from alias entry.'));
$buttonGroup->addElement($remButton);
$delButton = new htmlButton('del_' . $i, 'trash.png', true);
$delButton->setTitle(sprintf(_('Delete whole alias entry which includes %s recipients.'), sizeof($members)));
$buttonGroup->addElement($delButton);
$userTable->addElement($buttonGroup, true);
}
}
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$userTable->addVerticalSpace('5px');
$addButton = new htmlAccountPageButton(get_class($this), 'add', 'user', _('Add'));
$addButton->setIconClass('createButton');
$addButton->colspan = 5;
$userTable->addElement($addButton, true);
$return->addElement($userTable, true);
}
if (!$this->isBooleanConfigOptionSet('nisMailAliasUser_hideUserAliases') && !empty($mails)) {
$return->addElement(new htmlSubTitle(_('Aliases for email')), true);
$mailTable = new htmlTable();
for ($m = 0; $m < sizeof($mails); $m++) {
if (sizeof($mails) > 1) {
$label = new htmlOutputText($mails[$m]);
$label->colspan = 5;
$mailTable->addElement($label, true);
}
$found = false;
for ($i = 0; $i < $count; $i++) {
if (empty($aliases[$i]['rfc822mailmember'])) {
continue;
}
$dn = $aliases[$i]['dn'];
$members = $aliases[$i]['rfc822mailmember'];
if (in_array($mails[$m], $members)
&& (!isset($this->recipientsToDelete[$dn]) || !in_array($mails[$m], $this->recipientsToDelete[$dn]))
&& !in_array($dn, $this->aliasesToDelete)) {
$found = true;
$mailTable->addSpace('5px');
$mailTable->addElement(new htmlOutputText($aliases[$i]['cn'][0]));
$buttonGroup = new htmlGroup();
$remButton = new htmlButton('remMail_' . $i . '_' . $m, 'del.png', true);
$remButton->setTitle(_('Remove user from alias entry.'));
$buttonGroup->addElement($remButton);
$delButton = new htmlButton('delMail_' . $i . '_' . $m, 'trash.png', true);
$delButton->setTitle(sprintf(_('Delete whole alias entry which includes %s recipients.'), sizeof($members)));
$buttonGroup->addElement($delButton);
$mailTable->addElement($buttonGroup, true);
}
}
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$mailTable->addVerticalSpace('5px');
$addButton = new htmlAccountPageButton(get_class($this), 'add', 'mail' . $m, _('Add'));
$addButton->setIconClass('createButton');
$addButton->colspan = 5;
$mailTable->addElement($addButton, true);
if ((sizeof($mails) > 1) && ($m < (sizeof($mails) - 1))) {
$mailTable->addVerticalSpace('20px');
}
}
$return->addElement($mailTable, true);
}
return $return;
}
/**
* Processes user input of the primary module page.
* It checks if all input values are correct and updates the associated LDAP attributes.
*
* @return array list of info/error messages
*/
function process_attributes() {
$errors = array();
if (!$this->isMailAliasTypeActive()) {
return $errors;
}
$mails = $this->getMailAddresses();
foreach ($_POST as $key => $value) {
if (strpos($key, 'rem_') === 0) {
$index = substr($key, strlen('rem_'));
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$dn = $this->cachedAliasList[$index]['dn'];
$this->removeRecipient($this->getUserName(), $dn);
}
elseif (strpos($key, 'del_') === 0) {
$index = substr($key, strlen('del_'));
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$dn = $this->cachedAliasList[$index]['dn'];
$this->deleteAlias($dn);
}
elseif (strpos($key, 'remMail_') === 0) {
$parts = substr($key, strlen('remMail_'));
$parts = explode('_', $parts);
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$this->removeRecipient($mails[$parts[1]], $this->cachedAliasList[$parts[0]]['dn']);
}
elseif (strpos($key, 'delMail_') === 0) {
$parts = substr($key, strlen('remMail_'));
$parts = explode('_', $parts);
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$this->deleteAlias($this->cachedAliasList[$parts[0]]['dn']);
}
}
return $errors;
}
/**
* Removes a recipient from the given DN.
*
* @param String $recipient recipient as user name or email
* @param String $dn alias DN
*/
private function removeRecipient($recipient, $dn) {
if (!isset($this->aliasesToAdd[$dn])) { // no new entry update existing
if (isset($this->recipientsToAdd[$dn]) && in_array($recipient, $this->recipientsToAdd[$dn])) {
// undo adding of recipient
if (sizeof($this->recipientsToAdd[$dn]) == 1) {
// only one entry as marked for adding, remove whole entry
unset($this->recipientsToAdd[$dn]);
}
else {
$this->recipientsToAdd[$dn] = array_values(array_delete(array($recipient), $this->recipientsToAdd[$dn]));
}
}
else {
// mark for removal
$this->recipientsToDelete[$dn][] = $recipient;
}
foreach ($this->cachedAliasList as $index => $attrs) {
if ($dn == $attrs['dn']) {
$this->cachedAliasList[$index]['rfc822mailmember'] = array_values(array_delete(array($recipient), $this->cachedAliasList[$index]['rfc822mailmember']));
}
}
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}
else { // new entry
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if (sizeof($this->aliasesToAdd[$dn]['rfc822mailmember']) == 1) {
// single recipient in new entry, do not create new entry at all
unset($this->aliasesToAdd[$dn]);
foreach ($this->cachedAliasList as $index => $attrs) {
if ($dn == $attrs['dn']) {
unset($this->cachedAliasList[$index]);
$this->cachedAliasList = array_values($this->cachedAliasList);
}
}
}
else {
$this->aliasesToAdd[$dn]['rfc822mailmember'] = array_values(array_delete(array($recipient), $this->aliasesToAdd[$dn]['rfc822mailmember']));
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foreach ($this->cachedAliasList as $index => &$attrs) {
if ($dn == $attrs['dn']) {
$attrs['rfc822mailmember'] = array_values(array_delete(array($recipient), $attrs['rfc822mailmember']));
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}
}
}
}
}
/**
* Removes an alias with the given DN.
*
* @param String $dn alias DN
*/
private function deleteAlias($dn) {
if (!isset($this->aliasesToAdd[$dn])) {
// no new entry, delete existing entry
$this->aliasesToDelete[] = $dn;
}
else {
unset($this->aliasesToAdd[$dn]);
foreach ($this->cachedAliasList as $index => $attrs) {
if ($dn == $attrs['dn']) {
unset($this->cachedAliasList[$index]);
$this->cachedAliasList = array_values($this->cachedAliasList);
}
}
}
if (isset($this->recipientsToAdd[$dn])) {
unset($this->recipientsToAdd[$dn]);
}
if (isset($this->recipientsToDelete[$dn])) {
unset($this->recipientsToDelete[$dn]);
}
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}
/**
* Returns the HTML meta data for the add page.
*
* @return htmlElement HTML meta data
*/
function display_html_add() {
$return = new htmlTable();
$aliases = $this->getMailAliasList();
$count = sizeof($aliases);
$userName = $this->getUserName();
$mails = $this->getMailAddresses();
$recipient = null;
// get recipient value to add
if (isset($_POST['recipient'])) {
$recipient = $_POST['recipient'];
}
elseif (isset($_POST['form_subpage_' . get_class($this) . '_add_user'])) {
$recipient = $userName;
}
else {
for ($m = 0; $m < sizeof($mails); $m++) {
if (isset($_POST['form_subpage_' . get_class($this) . '_add_mail' . $m])) {
$recipient = $mails[$m];
break;
}
}
}
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$return->addElement(new htmlOutputText(_('Recipient')));
$return->addElement(new htmlOutputText($recipient), true);
$return->addElement(new htmlHiddenInput('recipient', $recipient), true);
// new mail alias
$return->addElement(new htmlSubTitle(_('Create new alias')), true);
$typeObj = new mailAlias();
$ous = $typeObj->getSuffixList();
$return->addElement(new htmlTableExtendedSelect('new_ou', $ous, array(), _('Suffix'), 'suffix'), true);
$newAliasCn = empty($_POST['new_cn']) ? '' : $_POST['new_cn'];
$return->addElement(new htmlTableExtendedInputField(_('Alias name'), 'new_cn', $newAliasCn, 'newAlias'), true);
$return->addVerticalSpace('5px');
$addButton = new htmlAccountPageButton(get_class($this), 'attributes', 'create', _('Create'));
$addButton->setIconClass('createButton');
$addButton->colspan = 5;
$return->addElement($addButton, true);
$return->addVerticalSpace('20px');
// add to existing alias
$return->addElement(new htmlSubTitle(_('Add to existing alias')), true);
$aliasesToAdd = array();
foreach ($aliases as $index => $attrs) {
if (!empty($attrs['rfc822mailmember']) && in_array($recipient, $attrs['rfc822mailmember'])) {
continue;
}
$aliasesToAdd[$attrs['cn'][0]] = $index;
}
$aliasSelect = new htmlTableExtendedSelect('ex_cn', $aliasesToAdd, array(), _('Alias names'), 'aliasNames', 20);
$aliasSelect->setHasDescriptiveElements(true);
$aliasSelect->setMultiSelect(true);
$return->addElement($aliasSelect, true);
$return->addVerticalSpace('5px');
$addButton = new htmlAccountPageButton(get_class($this), 'attributes', 'recipient', _('Add'));
$addButton->setIconClass('createButton');
$addButton->colspan = 5;
$return->addElement($addButton, true);
$return->addElement(new htmlEqualWidth(array('new_ou', 'new_cn', 'ex_cn')));
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return $return;
}
/**
* Processes user input of the primary module page.
* It checks if all input values are correct and updates the associated LDAP attributes.
*
* @return array list of info/error messages
*/
function process_add() {
$errors = array();
$mails = $this->getMailAddresses();
// create new alias entry
if (isset($_POST['form_subpage_' . get_class($this) . '_attributes_create'])) {
if (empty($_POST['new_cn']) || !get_preg($_POST['new_cn'], 'nis_alias')) {
$errors[] = $this->messages['alias'][0];
}
else {
// build new alias entry
$newDN = 'cn=' . $_POST['new_cn'] . ',' . $_POST['new_ou'];
$found = false;
foreach ($this->cachedAliasList as $key => $attrs) {
if ($attrs['dn'] == $newDN) {
$found = true;
break;
}
}
if ($found) {
$errors[] = $this->messages['alias'][1];
}
else {
$newAttrs = array(
'dn' => $newDN,
'cn' => array($_POST['new_cn']),
'objectclass' => array('nisMailAlias'),
'rfc822mailmember' => array($_POST['recipient'])
);
$this->aliasesToAdd[$newDN] = $newAttrs;
$this->cachedAliasList[] = $newAttrs;
}
}
}
// add recipient to existing entries
if (isset($_POST['form_subpage_' . get_class($this) . '_attributes_recipient'])) {
$selectedAliases = $_POST['ex_cn'];
foreach ($selectedAliases as $index) {
$dn = $this->cachedAliasList[$index]['dn'];
$this->cachedAliasList[$index]['rfc822mailmember'][] = $_POST['recipient'];
if (isset($this->aliasesToAdd[$dn])) {
$this->aliasesToAdd[$dn]['rfc822mailmember'][] = $_POST['recipient'];
}
else {
$this->recipientsToAdd[$dn][] = $_POST['recipient'];
}
}
}
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return $errors;
}
/**
* Allows the module to run commands after the LDAP entry is changed or created.
*
* Calling this method requires the existence of an enclosing {@link accountContainer}.
*
* @param boolean $newAccount new account
* @param array $attributes LDAP attributes of this entry
* @return array array which contains status messages. Each entry is an array containing the status message parameters.
*/
public function postModifyActions($newAccount, $attributes) {
$errors = array();
$ldapUser = $_SESSION['ldap']->decrypt_login();
$ldapUser = $ldapUser[0];
// delete complete aliases
foreach ($this->aliasesToDelete as $dn) {
$success = @ldap_delete($_SESSION['ldap']->server(), $dn);
if (!$success) {
logNewMessage(LOG_ERR, '[' . $ldapUser .'] Unable to delete ' . $dn . ' (' . ldap_error($_SESSION['ldap']->server()) . ').');
$errors[] = array('ERROR', sprintf(_('Was unable to delete DN: %s.'), $dn), getDefaultLDAPErrorString($_SESSION['ldap']->server()));
}
else {
logNewMessage(LOG_NOTICE, '[' . $ldapUser .'] Removed ' . $dn);
}
}
// delete recipient entries
foreach ($this->recipientsToDelete as $dn => $recipients) {
$success = @ldap_mod_del($_SESSION['ldap']->server(), $dn, array('rfc822mailmember' => $recipients));
if (!$success) {
logNewMessage(LOG_ERR, '[' . $ldapUser .'] Unable to remove recipients ' . implode(', ', $recipients) . ' from ' . $dn . ' (' . ldap_error($_SESSION['ldap']->server()) . ').');
$errors[] = array('ERROR', sprintf(_('Was unable to remove attributes from DN: %s.'), $dn), getDefaultLDAPErrorString($_SESSION['ldap']->server()));
}
else {
logNewMessage(LOG_NOTICE, '[' . $ldapUser .'] Removed recipients ' . implode(', ', $recipients) . ' from ' . $dn);
}
}
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// create new aliases
foreach ($this->aliasesToAdd as $dn => $attrs) {
unset($attrs['dn']);
$success = @ldap_add($_SESSION['ldap']->server(), $dn, $attrs);
if (!$success) {
logNewMessage(LOG_ERR, '[' . $ldapUser .'] Unable to create mail alias ' . $dn . ' (' . ldap_error($_SESSION['ldap']->server()) . ').');
$errors[] = array('ERROR', sprintf(_('Was unable to create DN: %s.'), $dn), getDefaultLDAPErrorString($_SESSION['ldap']->server()));
}
else {
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logNewMessage(LOG_NOTICE, '[' . $ldapUser .'] Added mail alias with recipients ' . implode(', ', $attrs['rfc822mailmember']) . ' and DN ' . $dn);
}
}
// add recipients
foreach ($this->recipientsToAdd as $dn => $recipients) {
$success = @ldap_mod_add($_SESSION['ldap']->server(), $dn, array('rfc822mailmember' => $recipients));
if (!$success) {
logNewMessage(LOG_ERR, '[' . $ldapUser .'] Unable to add recipients ' . implode(', ', $recipients) . ' to ' . $dn . ' (' . ldap_error($_SESSION['ldap']->server()) . ').');
$errors[] = array('ERROR', sprintf(_('Was unable to add attributes to DN: %s.'), $dn), getDefaultLDAPErrorString($_SESSION['ldap']->server()));
}
else {
logNewMessage(LOG_NOTICE, '[' . $ldapUser .'] Added recipients ' . implode(', ', $recipients) . ' to ' . $dn);
}
}
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return $errors;
}
/**
* Returns the PDF entries for this module.
*
* @return array list of possible PDF entries
*/
function get_pdfEntries() {
$return = array();
$aliases = $this->getMailAliasList();
$foundAliases = array();
$mails = $this->getMailAddresses();
$user = $this->getUserName();
foreach ($aliases as $alias) {
if (empty($alias['rfc822mailmember'][0])) {
continue;
}
if (!empty($user) && in_array($user, $alias['rfc822mailmember'])) {
$foundAliases[] = $alias['cn'][0];
}
if (!empty($mails)) {
foreach ($mails as $mail) {
if (in_array($mail, $alias['rfc822mailmember'])) {
$foundAliases[] = $alias['cn'][0];
}
}
}
}
$foundAliases = array_unique($foundAliases);
$return[get_class($this) . '_alias'] = array('<block><key>' . _('Alias names') . '</key><value>' . implode(', ', $foundAliases) . '</value></block>');
return $return;
}
/**
* Returns a list of configuration options.
*
* Calling this method does not require the existence of an enclosing {@link accountContainer}.<br>
* <br>
* The field names are used as keywords to load and save settings.
* We recommend to use the module name as prefix for them (e.g. posixAccount_homeDirectory) to avoid naming conflicts.
*
* @param array $scopes account types (user, group, host)
* @param array $allScopes list of all active account modules and their scopes (module => array(scopes))
* @return mixed htmlElement or array of htmlElement
*
* @see baseModule::get_metaData()
* @see htmlElement
*/
public function get_configOptions($scopes, $allScopes) {
$configContainer = new htmlTable();
$configContainerHead = new htmlTable();
$configContainerHead->addElement(new htmlOutputText(_('Hidden options')));
$configContainerHead->addElement(new htmlHelpLink('hiddenOptions'));
$configContainerOptions = new htmlTable();
$configContainer->addElement($configContainerHead, true);
$configContainerOptions->addElement(new htmlTableExtendedInputCheckbox('nisMailAliasUser_hideUserAliases', false, _('Aliases for user name'), null, false));
$configContainerOptions->addElement(new htmlOutputText(' '));
$configContainerOptions->addElement(new htmlTableExtendedInputCheckbox('nisMailAliasUser_hideMailAliases', false, _('Aliases for email'), null, false));
$configContainer->addElement($configContainerOptions, true);
return $configContainer;
}
/**
* Returns a list of existing email aliases.
*
* @return array email aliases
*/
private function getMailAliasList() {
if ($this->cachedAliasList != null) {
return $this->cachedAliasList;
}
$this->cachedAliasList = searchLDAPByAttribute('cn', '*', 'nisMailAlias', array('dn', 'cn', 'rfc822MailMember'), array('mailAlias'));
return $this->cachedAliasList;
}
/**
* Returns the user name of this account.
*
* @return String user name
*/
private function getUserName() {
if ($this->getAccountContainer()->getAccountModule('posixAccount') != null) {
$attrs = $this->getAccountContainer()->getAccountModule('posixAccount')->getAttributes();
if (!empty($attrs['uid'][0])) {
return $attrs['uid'][0];
}
}
elseif ($this->getAccountContainer()->getAccountModule('inetOrgPerson') != null) {
$attrs = $this->getAccountContainer()->getAccountModule('inetOrgPerson')->getAttributes();
if (!empty($attrs['uid'][0])) {
return $attrs['uid'][0];
}
}
return null;
}
/**
* Returns the email addresses of this account.
*
* @return String mail addresses
*/
private function getMailAddresses() {
if ($this->getAccountContainer()->getAccountModule('inetOrgPerson') != null) {
$attrs = $this->getAccountContainer()->getAccountModule('inetOrgPerson')->getAttributes();
if (!empty($attrs['mail'])) {
return $attrs['mail'];
}
}
return null;
}
/**
* Returns if the mail alias type is active. Otherwise, aliases cannot be managed.
*
* @return boolean is active
*/
private function isMailAliasTypeActive() {
$activeTypes = $_SESSION['config']->get_ActiveTypes();
return in_array('mailAlias', $activeTypes);
}
}
?>