WordPress Plugin to lock website by multiple passwords

Create a WordPress Plugin to control access to the website. Access can be granted for "logged in users" or if a "visitor enters a valid keyphrase". Every key phrase is linked to an email address in backend. Further features needed: - Ability to create as many keyphrase / email address pairs as needed - Log every use of a key phrase (information to store: date, time, key phrase, state(valid|invalid) - If website is accessed using a valid key phrase, call REST-API and submit the respective email address (no REST call if no email address is linked to key phrase) - If invalid key phase, remain on login page REST-Call (PHP): $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "[login to view URL]{{email-address}}"); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_HEADER, FALSE); curl_setopt($ch, CURLOPT_POST, TRUE); curl_setopt($ch, CURLOPT_HTTPHEADER, array("autopilotapikey: 65263027fab7d440ba4c5f3b834fb801")); $response = curl_exec($ch); curl_close($ch); API DOC: [login to view URL] Plugin name should be: AR KeyPhrase Login