web-base/core/Api/PermissionAPI.class.php
2022-06-20 19:52:31 +02:00

197 lines
6.0 KiB
PHP

<?php
namespace Api {
use Objects\Context;
abstract class PermissionAPI extends Request {
public function __construct(Context $context, bool $externalCall = false, array $params = array()) {
parent::__construct($context, $externalCall, $params);
}
protected function checkStaticPermission(): bool {
$user = $this->context->getUser();
if (!$user || !$user->hasGroup(USER_GROUP_ADMIN)) {
return $this->createError("Permission denied.");
}
return true;
}
}
}
namespace Api\Permission {
use Api\Parameter\Parameter;
use Api\Parameter\StringType;
use Api\PermissionAPI;
use Driver\SQL\Column\Column;
use Driver\SQL\Condition\Compare;
use Driver\SQL\Condition\CondIn;
use Driver\SQL\Condition\CondLike;
use Driver\SQL\Condition\CondNot;
use Driver\SQL\Strategy\UpdateStrategy;
use Objects\Context;
use Objects\DatabaseEntity\Group;
use Objects\DatabaseEntity\User;
class Check extends PermissionAPI {
public function __construct(Context $context, bool $externalCall = false) {
parent::__construct($context, $externalCall, array(
'method' => new StringType('method', 323)
));
$this->isPublic = false;
}
public function _execute(): bool {
$method = $this->getParam("method");
$sql = $this->context->getSQL();
$res = $sql->select("groups")
->from("ApiPermission")
->where(new CondLike($method, new Column("method")))
->execute();
$this->success = ($res !== FALSE);
$this->lastError = $sql->getLastError();
if ($this->success) {
if (empty($res) || !is_array($res)) {
return true;
}
$groups = json_decode($res[0]["groups"]);
if (empty($groups)) {
return true;
}
$currentUser = $this->context->getUser();
$userGroups = $currentUser ? $currentUser->getGroups() : [];
if (empty($userGroups) || empty(array_intersect($groups, array_keys($userGroups)))) {
http_response_code(401);
return $this->createError("Permission denied.");
}
}
return $this->success;
}
}
class Fetch extends PermissionAPI {
private ?array $groups;
public function __construct(Context $context, bool $externalCall = false) {
parent::__construct($context, $externalCall, array());
}
private function fetchGroups(): bool {
$sql = $this->context->getSQL();
$this->groups = Group::findAll($sql);
$this->success = ($this->groups !== FALSE);
$this->lastError = $sql->getLastError();
return $this->success;
}
public function _execute(): bool {
if (!$this->fetchGroups()) {
return false;
}
$sql = $this->context->getSQL();
$res = $sql->select("method", "groups", "description")
->from("ApiPermission")
->execute();
$this->success = ($res !== FALSE);
$this->lastError = $sql->getLastError();
if ($this->success) {
$permissions = array();
foreach ($res as $row) {
$method = $row["method"];
$description = $row["description"];
$groups = json_decode($row["groups"]);
$permissions[] = array(
"method" => $method,
"groups" => $groups,
"description" => $description
);
}
$this->result["permissions"] = $permissions;
$this->result["groups"] = $this->groups;
}
return $this->success;
}
}
class Save extends PermissionAPI {
public function __construct(Context $context, bool $externalCall = false) {
parent::__construct($context, $externalCall, array(
'permissions' => new Parameter('permissions', Parameter::TYPE_ARRAY)
));
}
public function _execute(): bool {
if (!$this->checkStaticPermission()) {
return false;
}
$permissions = $this->getParam("permissions");
$sql = $this->context->getSQL();
$methodParam = new StringType('method', 32);
$groupsParam = new Parameter('groups', Parameter::TYPE_ARRAY);
$updateQuery = $sql->insert("ApiPermission", array("method", "groups"))
->onDuplicateKeyStrategy(new UpdateStrategy(array("method"), array("groups" => new Column("groups"))));
$insertedMethods = array();
foreach ($permissions as $permission) {
if (!is_array($permission)) {
return $this->createError("Invalid data type found in parameter: permissions, expected: object");
} else if (!isset($permission["method"]) || !array_key_exists("groups", $permission)) {
return $this->createError("Invalid object found in parameter: permissions, expected keys 'method' and 'groups'");
} else if (!$methodParam->parseParam($permission["method"])) {
$expectedType = $methodParam->getTypeName();
return $this->createError("Invalid data type found for attribute 'method', expected: $expectedType");
} else if (!$groupsParam->parseParam($permission["groups"])) {
$expectedType = $groupsParam->getTypeName();
return $this->createError("Invalid data type found for attribute 'groups', expected: $expectedType");
} else if (empty(trim($methodParam->value))) {
return $this->createError("Method cannot be empty.");
} else {
$method = $methodParam->value;
$groups = $groupsParam->value;
$updateQuery->addRow($method, $groups);
$insertedMethods[] = $method;
}
}
if (!empty($permissions)) {
$res = $updateQuery->execute();
$this->success = ($res !== FALSE);
$this->lastError = $sql->getLastError();
}
if ($this->success) {
$res = $sql->delete("ApiPermission")
->where(new Compare("description", "")) // only delete non default permissions
->where(new CondNot(new CondIn(new Column("method"), $insertedMethods)))
->execute();
$this->success = ($res !== FALSE);
$this->lastError = $sql->getLastError();
}
return $this->success;
}
}
}