Added the ability of overriding the evaluation context. (656d51cb) · Commits · Progetti / IfAuthEx DokuWiki Plugin

lib/grammar.php

+48 −14

Original line number	Diff line number	Diff line
		@@ -10,12 +10,34 @@ use \AST\InvalidExpressionException;
		use \AST\MalformedExpressionException;
		use \AST\Fixing;

		class Literal extends ElementDefinition {
		public function __construct() {
		$T_LITERAL = new TokenDefinition(null, 'LIT', '/\w+/');
		parent::__construct('Literal', Fixing::None, $T_LITERAL, 0);

		class EvaluationContext {
		public $SIMULATE_IN_GROUPS = null;
		public $SIMULATE_USERS = null;

		public function belongToGroup($group) {
		if (is_array($this->SIMULATE_IN_GROUPS)) {
		if (in_array($group, $this->SIMULATE_IN_GROUPS)) {
		return true;
		}
		}
		global $INFO;
		$key1 = 'userinfo';
		$key2 = 'grps';
		if (is_array($INFO) && array_key_exists($key1, $INFO)) {
		if (is_array($INFO[$key1]) && array_key_exists($key2, $INFO[$key1])) {
		return in_array($groupName, $INFO[$key1][$key2]);
		}
		}
		return false;
		}

		public function isUser($user) {
		if (is_array($this->SIMULATE_USERS)) {
		if (in_array($user, $this->SIMULATE_USERS)) {
		return true;
		}
		}
		public function _evaluateWellFormed($elmInstance) {
		$key = 'REMOTE_USER';
		if (array_key_exists($key, $_SERVER)) {
		return $_SERVER[$key] == $elmInstance->getStringValue();
		@@ -24,6 +46,26 @@ class Literal extends ElementDefinition {
		}
		}

		function auth_expr_evaluation_context() {
		static $ctx = null;
		if ($ctx === null) {
		$ctx = new EvaluationContext();
		}
		return $ctx;
		}


		class Literal extends ElementDefinition {
		public function __construct() {
		$T_LITERAL = new TokenDefinition(null, 'LIT', '/\w+/');
		parent::__construct('Literal', Fixing::None, $T_LITERAL, 0);
		}
		public function _evaluateWellFormed($elmInstance) {
		$userName = $elmInstance->getStringValue();
		return auth_expr_evaluation_context()->isUser($userName);
		}
		}

		class SubExpr extends ElementDefinition {
		public function __construct() {
		$T_OPEN_PAREN = new TokenDefinition('(', 'OPENP');
		@@ -54,15 +96,7 @@ class OpInGroup extends ElementDefinition {
		}
		public function _evaluateWellFormed($elmInstance) {
		$groupName = $elmInstance->args()[0]->getStringValue();
		global $INFO;
		$key1 = 'userinfo';
		$key2 = 'grps';
		if (is_array($INFO) && array_key_exists($key1, $INFO)) {
		if (is_array($INFO[$key1]) && array_key_exists($key2, $INFO[$key1])) {
		return in_array($groupName, $INFO[$key1][$key2]);
		}
		}
		return false;
		return auth_expr_evaluation_context()->belongToGroup($groupName);
		}
		}