- First commit, User loading and Authentication are working

src/Adapter/Ldap.php

@@ -0,0 +1,165 @@
+<?php
+
+namespace Ulmus\Ldap\Adapter;
+
+use Ulmus\{ Common\PdoObject, Exception\AdapterConfigurationException };
+
+use Ulmus\Ldap\Common\LdapObject;
+
+use function ldap_set_option, ldap_start_tls, ldap_bind, ldap_unbind, ldap_connect, ldap_close, ldap_get_entries;
+
+class Ldap implements \Ulmus\Adapter\AdapterInterface {
+
+    public const IDENTIFIER_DN = 101;
+
+    public const IDENTIFIER_FILTER = 102;
+
+    public int $version = 3;
+
+    public bool $encrypt;
+    
+    public array $hosts;
+    
+    public string $baseDn;
+
+    public string $username;
+    
+    public string $password;
+    
+    public string $accountSuffix;
+
+    public string $pathCertCrt;
+
+    public string $pathCertKey;
+
+    public LdapObject $ldapObject;
+
+    public function __construct(
+        ? string $host = null,
+        ? string $baseDn = null,
+        ? string $username = null,
+        ? string $password = null,
+        ? string $accountSuffix = null
+    ) {
+        if ($host) {
+            $this->hosts = [ $host ];
+        }
+
+        if ($baseDn) {
+            $this->baseDn = $baseDn;
+        }
+
+        if ($username) {
+            $this->username = $username;
+        }
+
+        if ($password) {
+            $this->password = $password;
+        }
+
+        if ($accountSuffix) {
+            $this->accountSuffix = $accountSuffix;
+        }
+    }
+
+    public function authenticate(string $username, string $password) : bool
+    {
+        $this->ldapObject = $this->getLdapObject();
+
+        $bind = $this->ldapObject->bind($username, $password);
+
+        return $bind;
+    }
+
+    public function connect() : object
+    {
+        $this->ldapObject = $this->getLdapObject();
+
+        $this->bindUser();
+
+        return $this->ldapObject;
+    }
+
+    public function bindUser() : void
+    {
+        if ( ! $this->ldapObject->bind($this->username, $this->password) ) {
+            throw new \Exception("LDAP bind failed with given user $usr.");
+        }
+    }
+
+    protected function getLdapObject() : LdapObject
+    {
+        $ldapObject = new LdapObject();
+
+        $ldapObject->connect($this->hosts[0], $this->baseDn);
+
+        $ldapObject->setOptions([
+            \LDAP_OPT_PROTOCOL_VERSION => $this->version,
+            \LDAP_OPT_REFERRALS => 0,
+        ]);
+
+        if ( isset($this->pathCertCrt) && isset($this->pathCertKey) ) {
+            $ldapObject->setOptions([
+                \LDAP_OPT_X_TLS_CERTFILE => $this->pathCertCrt,
+                \LDAP_OPT_X_TLS_KEYFILE => $this->pathCertKey,
+            ], false);
+
+            $ldapObject->startTLS();
+        }
+
+        return $ldapObject;
+    }
+
+    public function buildDataSourceName() : string
+    {
+        return "";
+    }
+    
+    public function setup(array $configuration) : void
+    {
+        $configuration = array_change_key_case($configuration, \CASE_LOWER);
+     
+        if ( false === ( $this->hosts = $configuration['hosts'] ?? false ) ) {
+            throw new AdapterConfigurationException("Your `host` setting is missing. It is a mandatory parameter for this driver.");
+        }
+        elseif ( false === ( $this->baseDn = $configuration['base_dn'] ?? false ) ) {
+            throw new AdapterConfigurationException("Your `base_dn` setting is missing. The adapter won't connect without it.");
+        }
+        elseif ( false === ( $this->username = $configuration['username'] ?? false ) ) {
+            throw new AdapterConfigurationException("Your `username` is missing from your configuration array");
+        }
+        elseif ( false === ( $this->password = $configuration['password'] ?? false ) ) {
+            throw new AdapterConfigurationException("Your `password` is missing from your configuration array");
+        }
+        elseif ( false === ( $this->accountSuffix = $configuration['account_suffix'] ?? false ) ) {
+            throw new AdapterConfigurationException("Your `account_suffix` is missing from your configuration array");
+        }
+
+        /*
+        if ( false !== ( $configuration['app'] ?? false ) ) {
+            $this->app = $configuration['app'];
+        }
+        */
+
+    }
+    
+    public function escapeIdentifier(string $segment, int $type, string $ignore = "") : string
+    {
+        switch($type) {
+            case static::IDENTIFIER_DN:
+                return ldap_escape($segment, $ignore, LDAP_ESCAPE_DN);
+
+            case static::IDENTIFIER_FIELD:
+            case static::IDENTIFIER_FILTER:
+                return ldap_escape($segment, $ignore, LDAP_ESCAPE_FILTER);
+
+            default:
+                return ldap_escape($segment, $ignore);
+        }
+    }
+
+    public function defaultEngine(): ? string
+    {
+        return null;
+    }
+}