401 lines
12 KiB
PHP
401 lines
12 KiB
PHP
<?php
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namespace Api {
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use Api\Routes\GenerateCache;
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use Driver\SQL\Condition\Compare;
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use Objects\User;
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abstract class RoutesAPI extends Request {
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const ACTIONS = array("redirect_temporary", "redirect_permanently", "static", "dynamic");
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const ROUTER_CACHE_CLASS = "\\Cache\\RouterCache";
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protected string $routerCachePath;
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public function __construct(User $user, bool $externalCall, array $params) {
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parent::__construct($user, $externalCall, $params);
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$this->routerCachePath = getClassPath(self::ROUTER_CACHE_CLASS);
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}
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protected function routeExists($uid): bool {
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$sql = $this->user->getSQL();
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$res = $sql->select($sql->count())
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->from("Route")
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->where(new Compare("uid", $uid))
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->execute();
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$this->success = ($res !== false);
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$this->lastError = $sql->getLastError();
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if ($this->success) {
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if ($res[0]["count"] === 0) {
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return $this->createError("Route not found");
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}
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}
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return $this->success;
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}
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protected function toggleRoute($uid, $active): bool {
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if (!$this->routeExists($uid)) {
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return false;
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}
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$sql = $this->user->getSQL();
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$this->success = $sql->update("Route")
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->set("active", $active)
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->where(new Compare("uid", $uid))
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->execute();
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$this->lastError = $sql->getLastError();
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$this->success = $this->success && $this->regenerateCache();
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return $this->success;
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}
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protected function regenerateCache(): bool {
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$req = new GenerateCache($this->user);
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$this->success = $req->execute();
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$this->lastError = $req->getLastError();
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return $this->success;
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}
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}
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}
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namespace Api\Routes {
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use Api\Parameter\Parameter;
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use Api\Parameter\StringType;
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use Api\RoutesAPI;
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use Driver\SQL\Condition\Compare;
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use Driver\SQL\Condition\CondBool;
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use Objects\Router;
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use Objects\User;
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class Fetch extends RoutesAPI {
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall, array());
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}
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public function _execute(): bool {
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$sql = $this->user->getSQL();
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$res = $sql
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->select("uid", "request", "action", "target", "extra", "active", "exact")
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->from("Route")
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->orderBy("uid")
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->ascending()
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->execute();
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$this->lastError = $sql->getLastError();
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$this->success = ($res !== FALSE);
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if ($this->success) {
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$routes = array();
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foreach ($res as $row) {
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$routes[] = array(
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"uid" => intval($row["uid"]),
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"request" => $row["request"],
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"action" => $row["action"],
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"target" => $row["target"],
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"extra" => $row["extra"] ?? "",
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"active" => intval($sql->parseBool($row["active"])),
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"exact" => intval($sql->parseBool($row["exact"])),
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);
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}
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$this->result["routes"] = $routes;
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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 RoutesAPI {
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private array $routes;
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public function __construct($user, $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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'routes' => new Parameter('routes', Parameter::TYPE_ARRAY, false)
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));
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}
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public function _execute(): bool {
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if (!$this->validateRoutes()) {
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return false;
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}
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$sql = $this->user->getSQL();
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// DELETE old rules
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$this->success = ($sql->truncate("Route")->execute() !== FALSE);
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$this->lastError = $sql->getLastError();
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// INSERT new routes
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if ($this->success) {
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$stmt = $sql->insert("Route", array("request", "action", "target", "extra", "active", "exact"));
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foreach ($this->routes as $route) {
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$stmt->addRow($route["request"], $route["action"], $route["target"], $route["extra"], $route["active"], $route["exact"]);
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}
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$this->success = ($stmt->execute() !== FALSE);
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$this->lastError = $sql->getLastError();
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}
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$this->success = $this->success && $this->regenerateCache();
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return $this->success;
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}
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private function validateRoutes(): bool {
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$this->routes = array();
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$keys = array(
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"request" => [Parameter::TYPE_STRING, Parameter::TYPE_INT],
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"action" => Parameter::TYPE_STRING,
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"target" => Parameter::TYPE_STRING,
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"extra" => Parameter::TYPE_STRING,
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"active" => Parameter::TYPE_BOOLEAN,
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"exact" => Parameter::TYPE_BOOLEAN,
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);
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foreach ($this->getParam("routes") as $index => $route) {
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foreach ($keys as $key => $expectedType) {
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if (!array_key_exists($key, $route)) {
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return $this->createError("Route $index missing key: $key");
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}
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$value = $route[$key];
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$type = Parameter::parseType($value);
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if (!is_array($expectedType)) {
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$expectedType = [$expectedType];
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}
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if (!in_array($type, $expectedType)) {
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if (count($expectedType) > 0) {
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$expectedTypeName = "expected: " . Parameter::names[$expectedType];
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} else {
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$expectedTypeName = "expected one of: " . implode(",", array_map(
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function ($type) {
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return Parameter::names[$type];
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}, $expectedType));
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}
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$gotTypeName = Parameter::names[$type];
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return $this->createError("Route $index has invalid value for key: $key, $expectedTypeName, got: $gotTypeName");
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}
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}
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$action = $route["action"];
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if (!in_array($action, self::ACTIONS)) {
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return $this->createError("Invalid action: $action");
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}
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if (empty($route["request"])) {
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return $this->createError("Request cannot be empty.");
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}
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if (empty($route["target"])) {
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return $this->createError("Target cannot be empty.");
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}
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$this->routes[] = $route;
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}
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return true;
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}
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}
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class Add extends RoutesAPI {
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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"request" => new StringType("request", 128),
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"action" => new StringType("action"),
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"target" => new StringType("target", 128),
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"extra" => new StringType("extra", 64, true, ""),
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));
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$this->isPublic = false;
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}
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public function _execute(): bool {
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$request = $this->getParam("request");
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$action = $this->getParam("action");
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$target = $this->getParam("target");
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$extra = $this->getParam("extra");
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if (!in_array($action, self::ACTIONS)) {
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return $this->createError("Invalid action: $action");
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}
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$sql = $this->user->getSQL();
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$this->success = $sql->insert("Route", ["request", "action", "target", "extra"])
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->addRow($request, $action, $target, $extra)
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->execute();
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$this->lastError = $sql->getLastError();
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$this->success = $this->success && $this->regenerateCache();
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return $this->success;
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}
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}
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class Update extends RoutesAPI {
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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"uid" => new Parameter("uid", Parameter::TYPE_INT),
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"request" => new StringType("request", 128),
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"action" => new StringType("action"),
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"target" => new StringType("target", 128),
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"extra" => new StringType("extra", 64, true, ""),
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));
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$this->isPublic = false;
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}
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public function _execute(): bool {
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$uid = $this->getParam("uid");
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if (!$this->routeExists($uid)) {
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return false;
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}
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$request = $this->getParam("request");
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$action = $this->getParam("action");
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$target = $this->getParam("target");
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$extra = $this->getParam("extra");
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if (!in_array($action, self::ACTIONS)) {
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return $this->createError("Invalid action: $action");
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}
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$sql = $this->user->getSQL();
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$this->success = $sql->update("Route")
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->set("request", $request)
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->set("action", $action)
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->set("target", $target)
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->set("extra", $extra)
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->where(new Compare("uid", $uid))
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->execute();
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$this->lastError = $sql->getLastError();
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$this->success = $this->success && $this->regenerateCache();
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return $this->success;
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}
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}
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class Remove extends RoutesAPI {
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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"uid" => new Parameter("uid", Parameter::TYPE_INT)
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));
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$this->isPublic = false;
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}
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public function _execute(): bool {
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$uid = $this->getParam("uid");
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if (!$this->routeExists($uid)) {
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return false;
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}
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$sql = $this->user->getSQL();
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$this->success = $sql->delete("Route")
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->where(new Compare("uid", $uid))
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->execute();
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$this->lastError = $sql->getLastError();
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$this->success = $this->success && $this->regenerateCache();
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return $this->success;
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}
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}
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class Enable extends RoutesAPI {
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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"uid" => new Parameter("uid", Parameter::TYPE_INT)
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));
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$this->isPublic = false;
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}
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public function _execute(): bool {
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$uid = $this->getParam("uid");
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return $this->toggleRoute($uid, true);
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}
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}
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class Disable extends RoutesAPI {
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, array(
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"uid" => new Parameter("uid", Parameter::TYPE_INT)
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));
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$this->isPublic = false;
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}
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public function _execute(): bool {
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$uid = $this->getParam("uid");
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return $this->toggleRoute($uid, false);
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}
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}
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class GenerateCache extends RoutesAPI {
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private ?Router $router;
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public function __construct(User $user, bool $externalCall = false) {
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parent::__construct($user, $externalCall, []);
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$this->isPublic = false;
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$this->router = null;
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}
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protected function _execute(): bool {
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$sql = $this->user->getSQL();
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$res = $sql
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->select("uid", "request", "action", "target", "extra", "exact")
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->from("Route")
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->where(new CondBool("active"))
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->orderBy("uid")->ascending()
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->execute();
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$this->success = $res !== false;
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$this->lastError = $sql->getLastError();
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if (!$this->success) {
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return false;
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}
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$this->router = new Router($this->user);
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foreach ($res as $row) {
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$request = $row["request"];
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$target = $row["target"];
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$exact = $sql->parseBool($row["exact"]);
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switch ($row["action"]) {
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case "redirect_temporary":
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$this->router->addRoute(new Router\RedirectRoute($request, $exact, $target, 307));
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break;
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case "redirect_permanently":
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$this->router->addRoute(new Router\RedirectRoute($request, $exact, $target, 308));
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break;
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case "static":
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$this->router->addRoute(new Router\StaticFileRoute($request, $exact, $target));
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break;
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case "dynamic":
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$extra = json_decode($row["extra"]) ?? [];
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$this->router->addRoute(new Router\DocumentRoute($request, $exact, $target, ...$extra));
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break;
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default:
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break;
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}
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}
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$this->success = $this->router->writeCache($this->routerCachePath);
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if (!$this->success) {
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return $this->createError("Error saving router cache file: " . $this->routerCachePath);
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}
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return $this->success;
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}
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public function getRouter(): ?Router {
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return $this->router;
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}
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}
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}
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