X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FSecurity%2FBasicAuth.php;h=7b6a6b082502d982e0827141434a7c31df437b84;hb=0165811f09260a61af6dd947015be40df52d7b67;hp=002ecd6eb3ca461117c944b7de8718c6cc29b8b1;hpb=acbe9ebf9e8755b90413f8b8d3dbc338ccd597e9;p=friendica.git

diff --git a/src/Security/BasicAuth.php b/src/Security/BasicAuth.php
index 002ecd6eb3..7b6a6b0825 100644
--- a/src/Security/BasicAuth.php
+++ b/src/Security/BasicAuth.php
@@ -21,8 +21,15 @@
 
 namespace Friendica\Security;
 
+use Exception;
+use Friendica\Core\Hook;
+use Friendica\Core\Logger;
+use Friendica\Core\Session;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Model\User;
+use Friendica\Network\HTTPException\UnauthorizedException;
+use Friendica\Util\DateTimeFormat;
 
 /**
  * Authentification via the basic auth method
@@ -38,6 +45,28 @@ class BasicAuth
 	 */
 	protected static $current_token = [];
 
+	/**
+	 * Get current user id, returns 0 if $login is set to false and not logged in.
+	 * When $login is true, the execution will stop when not logged in.
+	 *
+	 * @param bool $login Perform a login request if "true"
+	 *
+	 * @return int User ID
+	 */
+	public static function getCurrentUserID(bool $login)
+	{
+		if (empty(self::$current_user_id)) {
+			self::$current_user_id = self::getUserIdByAuth($login);
+		}
+
+		return (int)self::$current_user_id;
+	}
+
+	public static function setCurrentUserID(int $uid = null)
+	{
+		self::$current_user_id = $uid;
+	}
+
 	/**
 	 * Fetch a dummy application token
 	 *
@@ -45,41 +74,125 @@ class BasicAuth
 	 */
 	public static function getCurrentApplicationToken()
 	{
-		if (empty(self::getCurrentUserID())) {
+		if (empty(self::getCurrentUserID(true))) {
 			return [];
 		}
 
-		if (!empty(self::$current_token)) {
-			return self::$current_token;
+		//if (!empty(self::$current_token)) {
+		//	return self::$current_token;
+		//}
+
+		$source = $_REQUEST['source'] ?? '';
+
+		// Support for known clients that doesn't send a source name
+		if (empty($source) && !empty($_SERVER['HTTP_USER_AGENT'])) {
+			if(strpos($_SERVER['HTTP_USER_AGENT'], "Twidere") !== false) {
+				$source = 'Twidere';
+			}
+
+			Logger::info('Unrecognized user-agent', ['http_user_agent' => $_SERVER['HTTP_USER_AGENT']]);
+		} else {
+			Logger::info('Empty user-agent');
+		}
+
+		if (empty($source)) {
+			$source = 'api';
 		}
 
 		self::$current_token = [
 			'uid'        => self::$current_user_id,
 			'id'         => 0,
-			'name'       => api_source(),
+			'name'       => $source,
 			'website'    => '',
 			'created_at' => DBA::NULL_DATETIME,
 			'read'       => true,
-			'write'      => true, 
-			'follow'     => true, 
+			'write'      => true,
+			'follow'     => true,
 			'push'       => false];
 
 		return self::$current_token;
 	}
 
 	/**
-	 * Get current user id, returns 0 if not logged in
+	 * Fetch the user id via the auth header information
 	 *
-	 * @return int User ID
+	 * @param boolean $do_login Perform a login request if not logged in
+	 *
+	 * @return integer User ID
 	 */
-	public static function getCurrentUserID(bool $login = true)
+	private static function getUserIdByAuth(bool $do_login = true):int
 	{
-		if (empty(self::$current_user_id)) {
-			api_login(DI::app(), $login);
+		$a = DI::app();
+		self::$current_user_id = 0;
 
-			self::$current_user_id = api_user();
+		// workaround for HTTP-auth in CGI mode
+		if (!empty($_SERVER['REDIRECT_REMOTE_USER'])) {
+			$userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"], 6));
+			if (!empty($userpass) && strpos($userpass, ':')) {
+				list($name, $password) = explode(':', $userpass);
+				$_SERVER['PHP_AUTH_USER'] = $name;
+				$_SERVER['PHP_AUTH_PW'] = $password;
+			}
 		}
 
-		return (int)self::$current_user_id;
+		$user     = $_SERVER['PHP_AUTH_USER'] ?? '';
+		$password = $_SERVER['PHP_AUTH_PW'] ?? '';
+
+		// allow "user@server" login (but ignore 'server' part)
+		$at = strstr($user, "@", true);
+		if ($at) {
+			$user = $at;
+		}
+
+		// next code from mod/auth.php. needs better solution
+		$record = null;
+
+		$addon_auth = [
+			'username' => trim($user),
+			'password' => trim($password),
+			'authenticated' => 0,
+			'user_record' => null,
+		];
+
+		/*
+		* An addon indicates successful login by setting 'authenticated' to non-zero value and returning a user record
+		* Addons should never set 'authenticated' except to indicate success - as hooks may be chained
+		* and later addons should not interfere with an earlier one that succeeded.
+		*/
+		Hook::callAll('authenticate', $addon_auth);
+
+		if ($addon_auth['authenticated'] && !empty($addon_auth['user_record'])) {
+			$record = $addon_auth['user_record'];
+		} else {
+			try {
+				$user_id = User::getIdFromPasswordAuthentication(trim($user), trim($password), true);
+				$record = DBA::selectFirst('user', [], ['uid' => $user_id]);
+			} catch (Exception $ex) {
+				$record = [];
+			}
+		}
+
+		if (empty($record)) {
+			if (!$do_login) {
+				return 0;
+			}
+			Logger::debug('Access denied', ['parameters' => $_SERVER]);
+			// Checking for commandline for the tests, we have to avoid to send a header
+			if (php_sapi_name() !== 'cli') {
+				header('WWW-Authenticate: Basic realm="Friendica"');
+			}
+			throw new UnauthorizedException("This API requires login");
+		}
+
+		// Don't refresh the login date more often than twice a day to spare database writes
+		$login_refresh = strcmp(DateTimeFormat::utc('now - 12 hours'), $record['login_date']) > 0;
+
+		DI::auth()->setForUser($a, $record, false, false, $login_refresh);
+
+		Hook::callAll('logged_in', $record);
+
+		self::$current_user_id = local_user();
+
+		return self::$current_user_id;
 	}
 }