Message when generating token - invalid access token

Hello there,

Following to this thread, I have added necessory code in my .php file.
Inside my document root I have uploaded all files from src folder following github

Following is my code -
<?php

require_once 'BeforeValidException.php';

require_once 'ExpiredException.php';

require_once 'SignatureInvalidException.php';

require_once 'JWT.php';

use \Firebase\JWT\JWT;

class Zoom_Api {

    private $zoom_api_key = 'xxx';

    private $zoom_api_secret = 'xxx';

    protected function sendRequest($data) {

        $request_url = 'https://api.zoom.us/v2/users/me/meetings';

        $headers = array(

        "authorization: {$this->generateJWTKey()}",

        'content-type: application/json'

        );

        $postFields = json_encode($data);

        $ch = curl_init();

        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);

        curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);

        curl_setopt($ch, CURLOPT_URL, $request_url);

        curl_setopt($ch, CURLOPT_POST, 1);

        curl_setopt($ch, CURLOPT_POSTFIELDS, $postFields);

        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);

        $response = curl_exec($ch);

        $err = curl_error($ch);

        curl_close($ch);

        if(!$response){

            return $err;

        }

        return json_decode($response);

    }

    //function to generate JWT

    private function generateJWTKey() {

        $key = $this->zoom_api_key;

        $secret = $this->zoom_api_secret;

        $token = array(

        "iss" => $key,

        "exp" => time() + 3600 //60 seconds as suggested

        );

        

        return JWT::encode( $token, $secret ); 

    }

    public function createAMeeting( $data = array() ) {

        $post_time = $data['start_date'];

        $start_time = gmdate( "Y-m-d\TH:i:s", strtotime( $post_time ) );

        $createAMeetingArray = array();

        if ( ! empty( $data['alternative_host_ids'] ) ) {

        if ( count( $data['alternative_host_ids'] ) > 1 ) {

        $alternative_host_ids = implode( ",", $data['alternative_host_ids'] );

        } else {

        $alternative_host_ids = $data['alternative_host_ids'][0];

        }

        }

        $createAMeetingArray['topic'] = $data['meetingTopic'];

        $createAMeetingArray['agenda'] = ! empty( $data['agenda'] ) ? $data['agenda'] : "";

        $createAMeetingArray['type'] = ! empty( $data['type'] ) ? $data['type'] : 2; //Scheduled

        $createAMeetingArray['start_time'] = $start_time;

        $createAMeetingArray['timezone'] = $data['timezone'];

        $createAMeetingArray['password'] = ! empty( $data['password'] ) ? $data['password'] : "";

        $createAMeetingArray['duration'] = ! empty( $data['duration'] ) ? $data['duration'] : 60;

        $createAMeetingArray['settings'] = array(

        'join_before_host' => ! empty( $data['join_before_host'] ) ? true : false,

        'host_video' => ! empty( $data['option_host_video'] ) ? true : false,

        'participant_video' => ! empty( $data['option_participants_video'] ) ? true : false,

        'mute_upon_entry' => ! empty( $data['option_mute_participants'] ) ? true : false,

        'enforce_login' => ! empty( $data['option_enforce_login'] ) ? true : false,

        'auto_recording' => ! empty( $data['option_auto_recording'] ) ?

        $data['option_auto_recording'] : "none",

        'alternative_hosts' => isset( $alternative_host_ids ) ? $alternative_host_ids : ""

        );

        return $this->sendRequest($createAMeetingArray);

    }

}

$zoom_meeting = new Zoom_Api();

try{

$z = $zoom_meeting->createAMeeting(

array(

'start_date'=>date("Y-m-d h:i:s", strtotime('tomorrow')),

'meetingTopic'=>'Example Test Meeting',

'timezone'=>'Asia/Tashkent'

)

);

print_r($z);

} catch (Exception $ex) {

echo $ex;

}

?>

I am getting message on browser like -
stdClass Object ( [code] => 124 [message] => Invalid access token. )

Please help me. Thanks in advance

Hey @amruta.mitech,

Based on the error you’re getting, it seems like the issue is with how you’re generating your JWT token. Can you ensure you’re following these steps:

I might recommend using one of the php libraries here if you’re having trouble (scroll down to see all the libraries):

I hope this is helps!

Best,
Will

Hello, the issue has been resolved it was my code related mistake. I was using wrong syntax for header array. Thanks for clearing my doubts.

Hey @amruta.mitech,

Ah, I see! I’m happy you figured it out :slight_smile:

Best,
Will

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