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support login by email

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This commit is contained in:
Uwe Steinmann 2024-03-20 18:21:22 +01:00
parent 0017137d0b
commit 2b7f90991a
1 changed files with 43 additions and 9 deletions
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52
inc/inc.ClassLdapAuthentication.php
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@ -126,7 +126,7 @@ class SeedDMS_LdapAuthentication extends SeedDMS_Authentication {
* look like if searching for that user didn't return a dn.
*/
if (isset($settings->_ldapBaseDN)) {
$ldapSearchAttribut = "uid=";
$ldapSearchAttribut = "uid";
/* $tmpDN will only be used as a last resort if searching for the user failed */
$tmpDN = "uid=".$username.",".$settings->_ldapBaseDN;
}
@ -134,7 +134,7 @@ class SeedDMS_LdapAuthentication extends SeedDMS_Authentication {
/* Active directory has a different base dn */
if (isset($settings->_ldapType)) {
if ($settings->_ldapType==1) {
$ldapSearchAttribut = "sAMAccountName=";
$ldapSearchAttribut = "sAMAccountName";
/* $tmpDN will only be used as a last resort if searching for the user failed */
$tmpDN = $username.'@'.$settings->_ldapAccountDomainName;
// Add the following if authentication with an Active Dir doesn't work
@ -157,7 +157,21 @@ class SeedDMS_LdapAuthentication extends SeedDMS_Authentication {
} else {
$bind = @ldap_bind($ds);
}
$dn = false;
/* The simplest search is just the username */
$ldapsearchterm = $ldapSearchAttribut.'='.$username;
/* If login by email is allowed, the search for user name is ored with
* the search for the email.
*/
if($settings->_enableLoginByEmail) {
$ldapsearchterm = "|(".$ldapsearchterm.")(mail=".$username.")";
}
/* If a ldap filter is set, it will be anded */
if($settings->_ldapFilter) {
$ldapsearchterm = "&(".$ldapsearchterm.")".$settings->_ldapFilter;
}
/* If bind succeed, then get the dn of the user. If a filter
* is set, it will be used to allow only those users to log in
* matching the filter criteria. Depending on the type of server,
@ -165,19 +179,32 @@ class SeedDMS_LdapAuthentication extends SeedDMS_Authentication {
* 'sAMAccountName=' or 'uid='. All other filters are ANDed.
* A common filter is '(mail=*)' to ensure a user has an email
* address.
* If the previous bind failed, we could try later to bind with
* the user's credentials (this was until 6.0.26 and 5.1.33 the case),
* but if login by email is allowed, it makes no sense to try it. The
* only way to bind is by using a correct dn and that cannot be
* formed with an email.
*/
if ($bind) {
/*
if (!empty($settings->_ldapFilter)) {
$search = ldap_search($ds, $settings->_ldapBaseDN, "(&(".$ldapSearchAttribut.$username.")".$settings->_ldapFilter.")");
$search = ldap_search($ds, $settings->_ldapBaseDN, "(&(".$ldapSearchAttribut.'='.$username.")".$settings->_ldapFilter.")");
} else {
$search = ldap_search($ds, $settings->_ldapBaseDN, $ldapSearchAttribut.$username);
$search = ldap_search($ds, $settings->_ldapBaseDN, $ldapSearchAttribut.'='.$username);
}
*/
$search = ldap_search($ds, $settings->_ldapBaseDN, "(".$ldapsearchterm.")");
if (!is_bool($search)) {
$info = ldap_get_entries($ds, $search);
if (!is_bool($info) && $info["count"]>0) {
$dn = $info[0]['dn'];
/* Set username to login name in case the email was used for authentication */
$username = $info[0][$ldapSearchAttribut][0];
}
}
} elseif(!empty($settings->_enableLoginByEmail)) {
ldap_close($ds);
return null;
}
/* If the previous bind failed, try it with the users creditionals
@ -190,8 +217,10 @@ class SeedDMS_LdapAuthentication extends SeedDMS_Authentication {
* If that user was filtered out, because filter was set to '(mail=*)'
* and the user doesn't have a mail address, then $dn will not be
* set and $tmpDN will be used instead, allowing a successfull bind.
* Also do not take the $tmpDN if login by email is allowed, because
* the username could be the email and that doesn't form a valid dn.
*/
if (is_bool($dn) && empty($settings->_ldapFilter)) {
if (is_bool($dn) && empty($settings->_ldapFilter) && empty($settings->_enableLoginByEmail)) {
$dn = $tmpDN;
}
@ -203,6 +232,9 @@ class SeedDMS_LdapAuthentication extends SeedDMS_Authentication {
/* Check if user already exists in the database. Return with an error
* only if the sql statements fails, but not if no user was found.
* The username may not be the one passed to this function anymore. It
* could have been overwritten by uid (or sAMAccountName) derived from
* the above ldap search.
*/
$user = $dms->getUserByLogin($username);
if($user === false) {
@ -219,13 +251,15 @@ class SeedDMS_LdapAuthentication extends SeedDMS_Authentication {
// Successfully authenticated. Now check to see if the user exists within
// the database. If not, add them in if _restricted is not set,
// but do not add their password.
// but do not set the password of the user.
if (!$settings->_restricted) {
// Retrieve the user's LDAP information.
/* Retrieve the user's LDAP information. At this time the username is
* the uid or sAMAccountName, even if the email was used for login.
*/
if (isset($settings->_ldapFilter) && strlen($settings->_ldapFilter) > 0) {
$search = ldap_search($ds, $settings->_ldapBaseDN, "(&(".$ldapSearchAttribut.$username.")".$settings->_ldapFilter.")");
$search = ldap_search($ds, $settings->_ldapBaseDN, "(&(".$ldapSearchAttribut.'='.$username.")".$settings->_ldapFilter.")");
} else {
$search = ldap_search($ds, $settings->_ldapBaseDN, $ldapSearchAttribut.$username);
$search = ldap_search($ds, $settings->_ldapBaseDN, $ldapSearchAttribut.'='.$username);
}
if (!is_bool($search)) {