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CORS preflight request doesn't pass access control check: It does not have HTTP ok status – Apache

I am trying to make a GET/POST Request to my WordPress REST API using Authorization Headers but in response i am getting

preflight request doesn’t pass access control check: It does not have HTTP ok status.

I am using JWT Authentication for WP-API for Authentication and tried almost every possible option found on the internet but no luck.

Have a look at my current .htaccess configurations

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
RewriteCond %{HTTP:Authorization} ^(.*)
RewriteRule ^(.*) - [E=HTTP_AUTHORIZATION:%1]
SetEnvIf Authorization "(.*)" HTTP_AUTHORIZATION=$1

RewriteCond %{REQUEST_METHOD} OPTIONS
RewriteRule ^(.*)$ $1 [R=200,L]

</IfModule>

<IfModule mod_headers.c>
  Header always set X-Content-Type-Options "nosniff"
  <IfModule mod_setenvif.c>
    SetEnvIf Origin "^(http://localhost:3000)$" CORS=$0
  </IfModule>
  Header set Access-Control-Allow-Origin %{CORS}e env=CORS
  Header set Access-Control-Allow-Credentials "true" env=CORS
  Header set Access-Control-Allow-Methods "GET, POST, OPTIONS, HEAD" env=CORS
  Header set Access-Control-Allow-Headers "*" env=CORS
  Header set Access-Control-Expose-Headers "*" env=CORS
  <FilesMatch ".(php|html)$">
  </FilesMatch>
</IfModule>

I am getting this error when the request is made from axios

Access to XMLHttpRequest at ‘HIDDEN_SERVER_ADDRESS’ from origin ‘http://localhost:3000‘ has been blocked by CORS policy: Response to preflight request doesn’t pass access control check: It does not have HTTP ok status.

In PostMan the calls are working fine and giving desired results.

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2

Answers


  1. Chosen as BEST ANSWER
    0

    Trying every possible solution in .htaccess didn't help in my case. So if anyone else is on the same page here is a solution that worked for me.

    put this code in the index.php file and it will work like a charm.

    header('Access-Control-Allow-Origin: *');
header("Access-Control-Allow-Methods: HEAD, GET, POST, PUT, PATCH, DELETE, OPTIONS");
header("Access-Control-Allow-Headers: X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method,Access-Control-Request-Headers, Authorization");
header('Content-Type: application/json');
$method = $_SERVER['REQUEST_METHOD'];
if ($method == "OPTIONS") {
header('Access-Control-Allow-Origin: *');
header("Access-Control-Allow-Headers: X-API-KEY, Origin, X-Requested-With, Content-Type, Accept, Access-Control-Request-Method,Access-Control-Request-Headers, Authorization");
header("HTTP/1.1 200 OK");
die();
}

  2. 0

    The solution provided by Azaz Khan worked for me. I searched for why it worked and I found this about request with OPTIONS method

    when using Cross-Origin Resource Sharing (CORS), a preflight request with OPTIONS is being automatically sent, so the target resource would respond with acceptable parameters. In normal web development scnario, there is no need to make an OPTION call as it is being issued by browsers.

    So I think before the auth request, a request with OPTIONS method has been fired, but the backend API did not give back a 200 OK response. For me the backend sent back a PHP error, maybe a 404 http error, I did not checked, but with this code I am sure the API gives back 200 OK response because of the exit:

    <?php
header('Access-Control-Allow-Origin: *');
header('Content-Type: application/json; charset=UTF-8');
header('Access-Control-Allow-Methods: GET,POST,PUT,PATCH,DELETE');
header('Access-Control-Allow-Headers: Content-Type,Access-Control-Allow-Headers,Authorization,X-Requested-With');

if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
  header('HTTP/1.1 200 OK');
  exit();
}
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