82 lines
1.8 KiB
PHP
82 lines
1.8 KiB
PHP
<?php
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declare(strict_types = 1);
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namespace Kimendisch\Sbgg_Jetzt;
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use Flake\Excuse;
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use Flake\Id64;
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// CHECK CSRF PROTECTION //
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$x_cookieless_csrf_protection = getallheaders()["x-cookieless-csrf-protection"] ?? null;
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if($x_cookieless_csrf_protection !== "42"){
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// show an excuse page
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Excuse::show("invalid_csrf_token");
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}
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// DECODE REQUEST //
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// get json string
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$json_body = file_get_contents("php://input");
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if(strlen($json_body) <= 0){
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http_response_code(400);
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echo("malformed request body");
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die();
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}
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// try decoding json
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$request = json_decode($json_body, true);
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if(json_last_error() != JSON_ERROR_NONE){
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http_response_code(400);
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echo("malformed request body");
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die();
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}
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// VALIDATE VALUES //
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// mail address
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$mail_address = $request["mail_address"] ?? "";
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if(!is_string($mail_address)){
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http_response_code(400);
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echo("invalid mail address");
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die();
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}
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if(!preg_match("/^[a-zA-Z0-9\.\-\_\+]+@([a-z0-9\-]+\.)+[a-z0-9\-]{2,}$/", $mail_address)){
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http_response_code(400);
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echo("invalid mail address");
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die();
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}
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// unsubscribe key
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$unsubscribe_key = $request["unsubscribe_key"] ?? null;
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if(!Id64::is_valid($unsubscribe_key)){
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http_response_code(400);
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echo("invalid unsubscribe key");
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die();
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}
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// REMOVE FROM MAILING LIST //
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// make sure session isn't locked
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if(extension_loaded("session")) session_write_close();
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// unsubscribe
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if(Newsletter::unsubscribe(mail_address: $mail_address, unsubscribe_key: $unsubscribe_key)){
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http_response_code(200);
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echo(json_encode([
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"success" => true
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]));
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} else {
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http_response_code(200);
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echo(json_encode([
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"success" => false
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]));
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}
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// EXECUTE WORK //
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// close connection
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Newsletter::api_helper_http_close_connection();
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// execute queued work
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Newsletter::queue_work();
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?>
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