#!/usr/bin/php
<?php

  // Define our Access Key Id, and Secret Access Key.
  define('ACCESS_KEY_ID','xxxxxxxxxxxxxxxxxxxx');
  define('SECRET_ACCESS_KEY','xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx');

  // Uploads a single file to PDF Alchemy.
  function uploadFile($filename) {
    // Generate the HMAC signature.
    print("Uploading '$filename': ");
    $date=gmdate("D, d M Y H:i:s T");
    $request='/'.ACCESS_KEY_ID.'/inqueue/'.urlencode(basename($filename));
    $clearText="PUT\n".ACCESS_KEY_ID."\n$date\n$request";
    $signature=base64_encode(hash_hmac('sha1',$clearText,SECRET_ACCESS_KEY,true));

    // Upload the file to PDF Alchemy.
    $body=file_get_contents($filename);
    $headers=array('Date'=>$date, 'X-PDF-Alchemy-Signature'=>$signature);
    $options=array('headers'=>$headers);
    $response=http_request(HTTP_METH_PUT,"http://www.pdfalchemy.com$request",$body,$options,$info);
    if ($response===false)
      error_log('http_request returned false.');
    else if ($info['response_code']==0)
      error_log('http_request returned response_code 0 - probably timed out.');
    else if ($info['response_code']>=300)
      error_log("Failed to upload file: $response");
    else
      print(ereg_replace('.*([0-9a-z]{8}(-[0-9a-z]{4}){3}-[0-9a-z]{12}).*',"\\1\n",$response));
  }

  // Uploads all convertable files from a single directory, to PDF Alchemy.
  function uploadFilesInDir($dirname) {
    $dir=opendir($dirname);
    while (($filename=readdir($dir))!==false)
      if (ereg('\.(doc|docx|rtf|txt)$',$filename)>0)
        uploadFile($dirname.'/'.$filename);
    closedir($dir);
  }

  // Upload each directory / file.
  for ($index=1;$index<count($argv);$index++)
    if (is_dir($argv[$index]))
      uploadFilesInDir($argv[$index]);
    else
      uploadFile($argv[$index]);

?>