類別 yii\rbac\PhpManager

                public function addChild($parent, $child)
{
    if (!isset($this->items[$parent->name], $this->items[$child->name])) {
        throw new InvalidArgumentException("Either '{$parent->name}' or '{$child->name}' does not exist.");
    }
    if ($parent->name === $child->name) {
        throw new InvalidArgumentException("Cannot add '{$parent->name} ' as a child of itself.");
    }
    if ($parent instanceof Permission && $child instanceof Role) {
        throw new InvalidArgumentException('Cannot add a role as a child of a permission.');
    }
    if ($this->detectLoop($parent, $child)) {
        throw new InvalidCallException("Cannot add '{$child->name}' as a child of '{$parent->name}'. A loop has been detected.");
    }
    if (isset($this->children[$parent->name][$child->name])) {
        throw new InvalidCallException("The item '{$parent->name}' already has a child '{$child->name}'.");
    }
    $this->children[$parent->name][$child->name] = $this->items[$child->name];
    $this->saveItems();
    return true;
}

            

                protected function addItem($item)
{
    $time = time();
    if ($item->createdAt === null) {
        $item->createdAt = $time;
    }
    if ($item->updatedAt === null) {
        $item->updatedAt = $time;
    }
    $this->items[$item->name] = $item;
    $this->saveItems();
    return true;
}

            

                protected function addRule($rule)
{
    $this->rules[$rule->name] = $rule;
    $this->saveRules();
    return true;
}

            

                public function assign($role, $userId)
{
    if (!isset($this->items[$role->name])) {
        throw new InvalidArgumentException("Unknown role '{$role->name}'.");
    } elseif (isset($this->assignments[$userId][$role->name])) {
        throw new InvalidArgumentException("Authorization item '{$role->name}' has already been assigned to user '$userId'.");
    }
    $this->assignments[$userId][$role->name] = new Assignment([
        'userId' => $userId,
        'roleName' => $role->name,
        'createdAt' => time(),
    ]);
    $this->saveAssignments();
    return $this->assignments[$userId][$role->name];
}

            

                public function canAddChild($parent, $child)
{
    return !$this->detectLoop($parent, $child);
}

            

                public function checkAccess($userId, $permissionName, $params = [])
{
    $assignments = $this->getAssignments($userId);
    if ($this->hasNoAssignments($assignments)) {
        return false;
    }
    return $this->checkAccessRecursive($userId, $permissionName, $params, $assignments);
}

            

                protected function checkAccessRecursive($user, $itemName, $params, $assignments)
{
    if (!isset($this->items[$itemName])) {
        return false;
    }
    /* @var $item Item */
    $item = $this->items[$itemName];
    Yii::debug($item instanceof Role ? "Checking role: $itemName" : "Checking permission : $itemName", __METHOD__);
    if (!$this->executeRule($user, $item, $params)) {
        return false;
    }
    if (isset($assignments[$itemName]) || in_array($itemName, $this->defaultRoles)) {
        return true;
    }
    foreach ($this->children as $parentName => $children) {
        if (isset($children[$itemName]) && $this->checkAccessRecursive($user, $parentName, $params, $assignments)) {
            return true;
        }
    }
    return false;
}

            

                protected function detectLoop($parent, $child)
{
    if ($child->name === $parent->name) {
        return true;
    }
    if (!isset($this->children[$child->name], $this->items[$parent->name])) {
        return false;
    }
    foreach ($this->children[$child->name] as $grandchild) {
        /* @var $grandchild Item */
        if ($this->detectLoop($parent, $grandchild)) {
            return true;
        }
    }
    return false;
}

            

                public function getAssignment($roleName, $userId)
{
    return isset($this->assignments[$userId][$roleName]) ? $this->assignments[$userId][$roleName] : null;
}

            

                public function getAssignments($userId)
{
    return isset($this->assignments[$userId]) ? $this->assignments[$userId] : [];
}

            

                public function getChildRoles($roleName)
{
    $role = $this->getRole($roleName);
    if ($role === null) {
        throw new InvalidArgumentException("Role \"$roleName\" not found.");
    }
    $result = [];
    $this->getChildrenRecursive($roleName, $result);
    $roles = [$roleName => $role];
    $roles += array_filter($this->getRoles(), function (Role $roleItem) use ($result) {
        return array_key_exists($roleItem->name, $result);
    });
    return $roles;
}

            

                public function getChildren($name)
{
    return isset($this->children[$name]) ? $this->children[$name] : [];
}

            

                protected function getChildrenRecursive($name, &$result)
{
    if (isset($this->children[$name])) {
        foreach ($this->children[$name] as $child) {
            $result[$child->name] = true;
            $this->getChildrenRecursive($child->name, $result);
        }
    }
}

            

                protected function getDirectPermissionsByUser($userId)
{
    $permissions = [];
    foreach ($this->getAssignments($userId) as $name => $assignment) {
        $permission = $this->items[$assignment->roleName];
        if ($permission->type === Item::TYPE_PERMISSION) {
            $permissions[$name] = $permission;
        }
    }
    return $permissions;
}

            

                protected function getInheritedPermissionsByUser($userId)
{
    $assignments = $this->getAssignments($userId);
    $result = [];
    foreach (array_keys($assignments) as $roleName) {
        $this->getChildrenRecursive($roleName, $result);
    }
    if (empty($result)) {
        return [];
    }
    $permissions = [];
    foreach (array_keys($result) as $itemName) {
        if (isset($this->items[$itemName]) && $this->items[$itemName] instanceof Permission) {
            $permissions[$itemName] = $this->items[$itemName];
        }
    }
    return $permissions;
}

            

                public function getItem($name)
{
    return isset($this->items[$name]) ? $this->items[$name] : null;
}

            

                public function getItems($type)
{
    $items = [];
    foreach ($this->items as $name => $item) {
        /* @var $item Item */
        if ($item->type == $type) {
            $items[$name] = $item;
        }
    }
    return $items;
}

            

                public function getPermissionsByRole($roleName)
{
    $result = [];
    $this->getChildrenRecursive($roleName, $result);
    if (empty($result)) {
        return [];
    }
    $permissions = [];
    foreach (array_keys($result) as $itemName) {
        if (isset($this->items[$itemName]) && $this->items[$itemName] instanceof Permission) {
            $permissions[$itemName] = $this->items[$itemName];
        }
    }
    return $permissions;
}

            

                public function getPermissionsByUser($userId)
{
    $directPermission = $this->getDirectPermissionsByUser($userId);
    $inheritedPermission = $this->getInheritedPermissionsByUser($userId);
    return array_merge($directPermission, $inheritedPermission);
}

            

                public function getRolesByUser($userId)
{
    $roles = $this->getDefaultRoleInstances();
    foreach ($this->getAssignments($userId) as $name => $assignment) {
        $role = $this->items[$assignment->roleName];
        if ($role->type === Item::TYPE_ROLE) {
            $roles[$name] = $role;
        }
    }
    return $roles;
}

            

                public function getRule($name)
{
    return isset($this->rules[$name]) ? $this->rules[$name] : null;
}

            

                public function getRules()
{
    return $this->rules;
}

            

                public function getUserIdsByRole($roleName)
{
    $result = [];
    foreach ($this->assignments as $userID => $assignments) {
        foreach ($assignments as $userAssignment) {
            if ($userAssignment->roleName === $roleName && $userAssignment->userId == $userID) {
                $result[] = (string) $userID;
            }
        }
    }
    return $result;
}

            

                public function hasChild($parent, $child)
{
    return isset($this->children[$parent->name][$child->name]);
}

            

                public function init()
{
    parent::init();
    $this->itemFile = Yii::getAlias($this->itemFile);
    $this->assignmentFile = Yii::getAlias($this->assignmentFile);
    $this->ruleFile = Yii::getAlias($this->ruleFile);
    $this->load();
}

            

                protected function invalidateScriptCache($file)
{
    if (function_exists('opcache_invalidate')) {
        opcache_invalidate($file, true);
    }
    if (function_exists('apc_delete_file')) {
        @apc_delete_file($file);
    }
}

            

                protected function load()
{
    $this->children = [];
    $this->rules = [];
    $this->assignments = [];
    $this->items = [];
    $items = $this->loadFromFile($this->itemFile);
    $itemsMtime = @filemtime($this->itemFile);
    $assignments = $this->loadFromFile($this->assignmentFile);
    $assignmentsMtime = @filemtime($this->assignmentFile);
    $rules = $this->loadFromFile($this->ruleFile);
    foreach ($items as $name => $item) {
        $class = $item['type'] == Item::TYPE_PERMISSION ? Permission::className() : Role::className();
        $this->items[$name] = new $class([
            'name' => $name,
            'description' => isset($item['description']) ? $item['description'] : null,
            'ruleName' => isset($item['ruleName']) ? $item['ruleName'] : null,
            'data' => isset($item['data']) ? $item['data'] : null,
            'createdAt' => $itemsMtime,
            'updatedAt' => $itemsMtime,
        ]);
    }
    foreach ($items as $name => $item) {
        if (isset($item['children'])) {
            foreach ($item['children'] as $childName) {
                if (isset($this->items[$childName])) {
                    $this->children[$name][$childName] = $this->items[$childName];
                }
            }
        }
    }
    foreach ($assignments as $userId => $roles) {
        foreach ($roles as $role) {
            $this->assignments[$userId][$role] = new Assignment([
                'userId' => $userId,
                'roleName' => $role,
                'createdAt' => $assignmentsMtime,
            ]);
        }
    }
    foreach ($rules as $name => $ruleData) {
        $this->rules[$name] = unserialize($ruleData);
    }
}

            

                protected function loadFromFile($file)
{
    if (is_file($file)) {
        return require $file;
    }
    return [];
}

            

                public function removeAll()
{
    $this->children = [];
    $this->items = [];
    $this->assignments = [];
    $this->rules = [];
    $this->save();
}

            

                public function removeAllAssignments()
{
    $this->assignments = [];
    $this->saveAssignments();
}

            

                protected function removeAllItems($type)
{
    $names = [];
    foreach ($this->items as $name => $item) {
        if ($item->type == $type) {
            unset($this->items[$name]);
            $names[$name] = true;
        }
    }
    if (empty($names)) {
        return;
    }
    foreach ($this->assignments as $i => $assignments) {
        foreach ($assignments as $n => $assignment) {
            if (isset($names[$assignment->roleName])) {
                unset($this->assignments[$i][$n]);
            }
        }
    }
    foreach ($this->children as $name => $children) {
        if (isset($names[$name])) {
            unset($this->children[$name]);
        } else {
            foreach ($children as $childName => $item) {
                if (isset($names[$childName])) {
                    unset($children[$childName]);
                }
            }
            $this->children[$name] = $children;
        }
    }
    $this->saveItems();
}

            

                public function removeAllPermissions()
{
    $this->removeAllItems(Item::TYPE_PERMISSION);
}

            

                public function removeAllRoles()
{
    $this->removeAllItems(Item::TYPE_ROLE);
}

            

                public function removeAllRules()
{
    foreach ($this->items as $item) {
        $item->ruleName = null;
    }
    $this->rules = [];
    $this->saveRules();
}

            

                public function removeChild($parent, $child)
{
    if (isset($this->children[$parent->name][$child->name])) {
        unset($this->children[$parent->name][$child->name]);
        $this->saveItems();
        return true;
    }
    return false;
}

            

                public function removeChildren($parent)
{
    if (isset($this->children[$parent->name])) {
        unset($this->children[$parent->name]);
        $this->saveItems();
        return true;
    }
    return false;
}

            

                public function removeItem($item)
{
    if (isset($this->items[$item->name])) {
        foreach ($this->children as &$children) {
            unset($children[$item->name]);
        }
        foreach ($this->assignments as &$assignments) {
            unset($assignments[$item->name]);
        }
        unset($this->items[$item->name]);
        $this->saveItems();
        $this->saveAssignments();
        return true;
    }
    return false;
}

            

                protected function removeRule($rule)
{
    if (isset($this->rules[$rule->name])) {
        unset($this->rules[$rule->name]);
        foreach ($this->items as $item) {
            if ($item->ruleName === $rule->name) {
                $item->ruleName = null;
            }
        }
        $this->saveRules();
        return true;
    }
    return false;
}

            

                public function revoke($role, $userId)
{
    if (isset($this->assignments[$userId][$role->name])) {
        unset($this->assignments[$userId][$role->name]);
        $this->saveAssignments();
        return true;
    }
    return false;
}

            

                public function revokeAll($userId)
{
    if (isset($this->assignments[$userId]) && is_array($this->assignments[$userId])) {
        foreach ($this->assignments[$userId] as $itemName => $value) {
            unset($this->assignments[$userId][$itemName]);
        }
        $this->saveAssignments();
        return true;
    }
    return false;
}

            

                protected function save()
{
    $this->saveItems();
    $this->saveAssignments();
    $this->saveRules();
}

            

                protected function saveAssignments()
{
    $assignmentData = [];
    foreach ($this->assignments as $userId => $assignments) {
        foreach ($assignments as $name => $assignment) {
            /* @var $assignment Assignment */
            $assignmentData[$userId][] = $assignment->roleName;
        }
    }
    $this->saveToFile($assignmentData, $this->assignmentFile);
}

            

                protected function saveItems()
{
    $items = [];
    foreach ($this->items as $name => $item) {
        /* @var $item Item */
        $items[$name] = array_filter(
            [
                'type' => $item->type,
                'description' => $item->description,
                'ruleName' => $item->ruleName,
                'data' => $item->data,
            ]
        );
        if (isset($this->children[$name])) {
            foreach ($this->children[$name] as $child) {
                /* @var $child Item */
                $items[$name]['children'][] = $child->name;
            }
        }
    }
    $this->saveToFile($items, $this->itemFile);
}

            

                protected function saveRules()
{
    $rules = [];
    foreach ($this->rules as $name => $rule) {
        $rules[$name] = serialize($rule);
    }
    $this->saveToFile($rules, $this->ruleFile);
}

            

                protected function saveToFile($data, $file)
{
    file_put_contents($file, "<?php\n\nreturn " . VarDumper::export($data) . ";\n", LOCK_EX);
    $this->invalidateScriptCache($file);
}

            

                protected function updateItem($name, $item)
{
    if ($name !== $item->name) {
        if (isset($this->items[$item->name])) {
            throw new InvalidArgumentException("Unable to change the item name. The name '{$item->name}' is already used by another item.");
        }
        // Remove old item in case of renaming
        unset($this->items[$name]);
        if (isset($this->children[$name])) {
            $this->children[$item->name] = $this->children[$name];
            unset($this->children[$name]);
        }
        foreach ($this->children as &$children) {
            if (isset($children[$name])) {
                $children[$item->name] = $children[$name];
                unset($children[$name]);
            }
        }
        foreach ($this->assignments as &$assignments) {
            if (isset($assignments[$name])) {
                $assignments[$item->name] = $assignments[$name];
                $assignments[$item->name]->roleName = $item->name;
                unset($assignments[$name]);
            }
        }
        $this->saveAssignments();
    }
    $this->items[$item->name] = $item;
    $this->saveItems();
    return true;
}

            

                public function updateRule($name, $rule)
{
    if ($rule->name !== $name) {
        unset($this->rules[$name]);
    }
    $this->rules[$rule->name] = $rule;
    $this->saveRules();
    return true;
}