dropbox-php-proxy/index.php at master · ivanm/dropbox-php-proxy · GitHub

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<?php

if (!file_exists ('config.php')){

  session_start();

  if ($_POST['app_key'] && $_POST['app_secret']){
    $url  = 'https://api.dropbox.com/1/oauth/request_token';
    $ch   = curl_init();


    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

    curl_setopt($ch, CURLOPT_HTTPHEADER,array(
        'Authorization: OAuth oauth_version="1.0", oauth_signature_method="PLAINTEXT", oauth_consumer_key="'.$_POST['app_key'].'", oauth_signature="'.$_POST['app_secret'].'&"',
        'Content-Length: 0'
      )
    );

    $response = curl_exec($ch);
    parse_str($response,$response);

    $oauth_token_secret = $response['oauth_token_secret'];
    $oauth_token        = $response['oauth_token'];

    $_SESSION['app_key']              = $_POST['app_key'];
    $_SESSION['app_secret']           = $_POST['app_secret'];
    $_SESSION['request_token_secret'] = $oauth_token_secret;
    $_SESSION['request_token']        = $oauth_token;
    $_SESSION['root']                 = $_POST['root'];
    $_SESSION['base']                 = $_SERVER['REQUEST_URI'];

    curl_close($ch);

    header('Location: https://www.dropbox.com/1/oauth/authorize?oauth_token='.$oauth_token.'&oauth_callback='.$_SERVER['HTTP_REFERER']);

  } else if ($_GET['uid'] && $_GET['oauth_token']){
    $url  = 'https://api.dropbox.com/1/oauth/access_token';
    $ch   = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER,array(
        'Authorization: OAuth oauth_version="1.0", oauth_signature_method="PLAINTEXT", oauth_consumer_key="'.$_SESSION['app_key'].'", oauth_token="'.$_GET['oauth_token'].'", oauth_signature="'.$_SESSION['app_secret'].'&'.$_SESSION['request_token_secret'].'"',
        'Content-Length: 0'
      )
    );

    $response = curl_exec($ch);
    parse_str($response,$response);

    file_put_contents('config.php',"<?php\n  \$app_key = \"".$_SESSION['app_key']."\";\n  \$app_secret = \"".$_SESSION['app_secret']."\";\n  \$access_token = \"".$response['oauth_token']."\";\n  \$access_token_secret = \"".$response['oauth_token_secret']."\";\n  \$root = \"".$_SESSION['root']."\";\n?>");
    print_r($_SERVER);
    header('Location: '.$_SESSION['base']);


  } else {
    include('setup.php');
  }

} else {

  include('config.php');

  $uri = $_SERVER['PATH_INFO'];
  if ( substr( $uri, -1 ) == '/' ){
    $uri .= 'index.html';
  }

  $url  = 'https://api-content.dropbox.com/1/files/'.$root.$uri;

  $ch   = curl_init();
  curl_setopt($ch, CURLOPT_URL, $url);
  curl_setopt($ch, CURLOPT_HEADER,true);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_setopt($ch, CURLOPT_HTTPHEADER,array(
    'Authorization: OAuth oauth_version="1.0", oauth_signature_method="PLAINTEXT", oauth_consumer_key="'.$app_key.'", oauth_token="'.$access_token.'", oauth_signature="'.$app_secret.'&'.$access_token_secret.'"',
    )
  );

  $response = curl_exec($ch);
  $code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
  if($code == 404) {
    header('HTTP/1.0 404 Not Found');
    echo "404 - Not found";
  } else {
    list($header, $body) = explode("\r\n\r\n", $response, 2);
    $headers = explode("\n",$header);
    foreach($headers as $h){
      header($h);
    }
  }
  echo($body);
}
?>