<?php
/**
* Instagram PHP implementation
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
*
* This script servers two main functionalities
* If user has not been autheticated by Instagram then it will redirect user to Instagram server
* Once Instagram authrizes user then it will get code returned by instagram, get Access Token and save it into the session
*
*/
session_start();
require_once 'config.php';
require_once 'Class.Instagram.php';
if(isset($_GET['error'])&&$_GET['error']!="") {
echo "You Need to grant access to the application in order to continue!";
exit;
}
if(isset($_GET['code'])&&$_GET['code']!="") {
/**
* InstaGram redirected to our URL with Code
* So use this code to get Access Token from InstaGram for further opeartions
*/
$instgram = new Instagram();
$accesstoken = $instgram->getAccessTokenFromCode($_GET['code']);
if($accesstoken!="") {
$_SESSION['AccessToken'] = $accesstoken;
$_SESSION['UserId'] = $instgram->getUserId();
$_SESSION['FullName'] = $instgram->getUserFullName();
$_SESSION['Thumbnail'] = $instgram->getUserThumb();
header("Location: index.php");
exit;
}
}
/**
* If op is set to "getauth" it means user has not been authorized so we need to redirect user to Instagram server
* and get authorization code
*
*/
if(isset($_GET['op']) && $_GET['op']=="getauth") {
header("Location: ".sprintf($urlconfig['authorization_url'],$appconfig['client_id'],$appconfig['redirect_url']));
exit;
}
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