213 lines
6.2 KiB
PHP
213 lines
6.2 KiB
PHP
<?php
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namespace Api {
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class PermissionAPI extends Request {
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protected function checkStaticPermission() {
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if (!$this->user->isLoggedIn() || !$this->user->hasGroup(USER_GROUP_ADMIN)) {
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return $this->createError("Permission denied.");
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}
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return true;
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}
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}
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}
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namespace Api\Permission {
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use Api\Parameter\Parameter;
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use Api\Parameter\StringType;
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use Api\PermissionAPI;
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use Driver\SQL\Column\Column;
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use Driver\SQL\Condition\Compare;
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use Driver\SQL\Condition\CondIn;
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use Driver\SQL\Condition\CondNot;
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use Driver\SQL\Strategy\UpdateStrategy;
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use Objects\User;
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class Check extends PermissionAPI {
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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'method' => new StringType('method', 323)
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));
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$this->isPublic = false;
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}
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public function execute($values = array()) {
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if (!parent::execute($values)) {
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return false;
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}
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$method = $this->getParam("method");
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$sql = $this->user->getSQL();
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$res = $sql->select("groups")
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->from("ApiPermission")
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->where(new Compare("method", $method))
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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if ($this->success) {
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if (empty($res)) {
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return true;
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}
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$groups = json_decode($res[0]["groups"]);
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if (empty($groups)) {
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return true;
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}
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if (!$this->user->isLoggedIn() || empty(array_intersect($groups, array_keys($this->user->getGroups())))) {
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header('HTTP 1.1 401 Unauthorized');
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return $this->createError("Permission denied.");
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}
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}
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return $this->success;
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}
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}
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class Fetch extends PermissionAPI {
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private array $groups;
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, array());
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}
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private function fetchGroups() {
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$sql = $this->user->getSQL();
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$res = $sql->select("uid", "name", "color")
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->from("Group")
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->orderBy("uid")
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->ascending()
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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if ($this->success) {
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$this->groups = array();
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foreach($res as $row) {
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$groupId = $row["uid"];
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$groupName = $row["name"];
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$groupColor = $row["color"];
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$this->groups[$groupId] = array("name" => $groupName, "color" => $groupColor);
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}
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}
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return $this->success;
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}
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public function execute($values = array()) {
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if (!parent::execute($values)) {
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return false;
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}
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if (!$this->checkStaticPermission()) {
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return false;
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}
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if (!$this->fetchGroups()) {
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return false;
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}
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$sql = $this->user->getSQL();
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$res = $sql->select("method", "groups", "description")
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->from("ApiPermission")
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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if ($this->success) {
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$permissions = array();
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foreach ($res as $row) {
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$method = $row["method"];
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$description = $row["description"];
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$groups = json_decode($row["groups"]);
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$permissions[] = array(
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"method" => $method,
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"groups" => $groups,
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"description" => $description
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);
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}
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$this->result["permissions"] = $permissions;
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$this->result["groups"] = $this->groups;
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}
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return $this->success;
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}
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}
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class Save extends PermissionAPI {
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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'permissions' => new Parameter('permissions', Parameter::TYPE_ARRAY)
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));
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}
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public function execute($values = array()) {
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if (!parent::execute($values)) {
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return false;
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}
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if (!$this->checkStaticPermission()) {
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return false;
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}
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$permissions = $this->getParam("permissions");
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$sql = $this->user->getSQL();
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$methodParam = new StringType('method', 32);
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$groupsParam = new Parameter('groups', Parameter::TYPE_ARRAY);
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$updateQuery = $sql->insert("ApiPermission", array("method", "groups"))
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->onDuplicateKeyStrategy(new UpdateStrategy(array("method"), array( "groups" => new Column("groups") )));
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$insertedMethods = array();
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foreach($permissions as $permission) {
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if (!is_array($permission)) {
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return $this->createError("Invalid data type found in parameter: permissions, expected: object");
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} else if(!isset($permission["method"]) || !array_key_exists("groups", $permission)) {
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return $this->createError("Invalid object found in parameter: permissions, expected keys 'method' and 'groups'");
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} else if (!$methodParam->parseParam($permission["method"])) {
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$expectedType = $methodParam->getTypeName();
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return $this->createError("Invalid data type found for attribute 'method', expected: $expectedType");
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} else if(!$groupsParam->parseParam($permission["groups"])) {
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$expectedType = $groupsParam->getTypeName();
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return $this->createError("Invalid data type found for attribute 'groups', expected: $expectedType");
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} else if(empty(trim($methodParam->value))) {
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return $this->createError("Method cannot be empty.");
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} else {
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$method = $methodParam->value;
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$groups = $groupsParam->value;
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$updateQuery->addRow($method, $groups);
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$insertedMethods[] = $method;
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}
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}
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if (!empty($permissions)) {
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$res = $updateQuery->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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}
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if ($this->success) {
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$res = $sql->delete("ApiPermission")
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->where(new Compare("description", "")) // only delete non default permissions
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->where(new CondNot(new CondIn("method", $insertedMethods)))
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->execute();
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$this->success = ($res !== FALSE);
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$this->lastError = $sql->getLastError();
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}
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return $this->success;
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}
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}
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} |