feature #16735 [WIP] [Ldap] Marked the Ldap component as internal (csarrazi)

This PR was merged into the 2.8 branch.

Discussion
----------

[WIP] [Ldap] Marked the Ldap component as internal

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | yes
| Deprecations? | no
| Tests pass?   | no
| Fixed tickets | no
| License       | MIT
| Doc PR        | not yet

As mentioned earlier, the LDAP component suffers from a few problems, addressed in PR #15994
However, as raised by @Tobion, the component does not yet have tests (they can be added at a later time, though), and is not considered stable yet.

Commits
-------

3f89b2c Marked the Ldap component as internal and removed Ldap constants polyfill

2 files changed, 2 insertions, 2 deletions

diff --git a/Core/Authentication/Provider/LdapBindAuthenticationProvider.php b/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
index fab7d80..adc42ef 100644
--- a/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
+++ b/Core/Authentication/Provider/LdapBindAuthenticationProvider.php
@@ -74,7 +74,7 @@ class LdapBindAuthenticationProvider extends UserAuthenticationProvider
         $password = $token->getCredentials();
 
         try {
-            $username = $this->ldap->escape($username, '', LdapClientInterface::LDAP_ESCAPE_DN);
+            $username = $this->ldap->escape($username, '', LDAP_ESCAPE_DN);
             $dn = str_replace('{username}', $username, $this->dnString);
 
             $this->ldap->bind($dn, $password);
diff --git a/Core/User/LdapUserProvider.php b/Core/User/LdapUserProvider.php
index ec699fc..988a595 100644
--- a/Core/User/LdapUserProvider.php
+++ b/Core/User/LdapUserProvider.php
@@ -57,7 +57,7 @@ class LdapUserProvider implements UserProviderInterface
     {
         try {
             $this->ldap->bind($this->searchDn, $this->searchPassword);
-            $username = $this->ldap->escape($username, '', LdapClientInterface::LDAP_ESCAPE_FILTER);
+            $username = $this->ldap->escape($username, '', LDAP_ESCAPE_FILTER);
             $query = str_replace('{username}', $username, $this->defaultSearch);
             $search = $this->ldap->find($this->baseDn, $query);
         } catch (ConnectionException $e) {