File: src/_functions.php

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File: src/_functions.php
Role: Example script
Content type: text/plain
Description: Example script
Class: PHP OAuth2 Client
Authorize and access servers using OAuth2
Author: By
Last change:
Date: 1 year ago
Size: 1,866 bytes
 

Contents

Class file image Download
<?php
namespace Poirot\OAuth2Client
{
    use
Psr\Http\Message\ServerRequestInterface;


   
/**
     * Check Expiration Of DateTime
     *
     * @param \DateTime $dateTime
     *
     * @return boolean
     */
   
function checkExpiry(\DateTime $dateTime)
    {
       
$currDateTime = new \DateTime();
       
$currDateTime = $currDateTime->getTimestamp();

       
$expireDateTime = $dateTime->getTimestamp();
        return (
$currDateTime-$expireDateTime > 0);
    }

   
/**
     * As per the Bearer spec (draft 8, section 2) - there are three ways for a client
     * to specify the bearer token, in order of preference: Authorization Header,
     * POST and GET.
     *
     * @param ServerRequestInterface $request
     *
     * @return null|string Token
     */
   
function parseTokenStrFromRequest(ServerRequestInterface $request)
    {
       
# Get Token From Header:
       
if ($header = $request->getHeaderLine('Authorization')) {
            if (
preg_match('/Bearer\s(\S+)/', $header, $matches) )
                return
$token = $matches[1];
        }


       
# Get Token From POST:
       
if (strtolower($request->getMethod()) === 'post'
           
&& $contentType = $request->getHeaderLine('Content-Type')
        ) {
            if (
$contentType == 'application/x-www-form-urlencoded') {
               
// The content type for POST requests must be "application/x-www-form-urlencoded
               
$postData = $request->getParsedBody();
                foreach (
$postData as $k => $v) {
                    if (
$k !== 'access_token') continue;

                    return
$token = $v;
                }
            }
        }


       
# Get Token From GET:
       
$queryData = $request->getQueryParams();
       
$token = (isset($queryData['access_token'])) ? $queryData['access_token'] : null;
        return
$token;
    }
}


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