<?php
/*
Gig Cable Label Class demo
*/
/***************************************************************************************************************
* HTTP/1.0 2XX Success Pages
************************************************************************************************************* */
function success_201($url) {
header("HTTP/1.0 201 Created");
header("Location: ".$url);
}
/***************************************************************************************************************
* HTTP/1.0 4XX Error Pages
************************************************************************************************************* */
function error_400() {
header("HTTP/1.0 400 Bad Request");
echo "<h1>HTTP/1.0 400 Bad Request</h1>";
echo "This request failed to load this resource<br />";
echo "Bad Request: ".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."<br />";
echo "Go back to the <a href='".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']."' >Main</a> page";
exit();
}
function error_403() {
header("HTTP/1.0 403 Forbidden");
echo "<h1>HTTP/1.0 403 Forbidden</h1>";
echo "You're not allowed to request this resource this way <br />";
echo "Bad Request: ".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."<br />";
echo "Go back to the <a href='".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']."' >Main</a> page";
exit();
}
function error_404() {
header("HTTP/1.0 404 Not Found");
echo "<h1>HTTP/1.0 404 Not Found</h1>";
echo "Couldn't find the requested resource<br />";
echo "Requested Resource: ".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."<br />";
echo "Go back to the <a href='".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']."' >Main</a> page";
exit();
}
function error_405() {
header("HTTP/1.0 405 Method Not Allowed");
echo "<h1>HTTP/1.0 405 Method Not Allowed</h1>";
echo "You're not allowed to do this type of request on this resource<br />";
echo "Requested Resource: ".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."<br />";
echo "Go back to the <a href='".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']."' >Main</a> page";
exit();
}
function error_410() {
header("HTTP/1.0 410 Gone");
echo "<h1>HTTP/1.0 410 Gone</h1>";
echo "This Resource is gone<br />";
echo "Requested Resource: ".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."<br />";
echo "Go back to the <a href='".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']."' >Main</a> page";
exit();
}
function error_412() {
header("HTTP/1.0 412 Precondition Failed");
echo "<h1>HTTP/1.0 412 Precondition Failed</h1>";
echo "couldn't create/update the resource, try again<br />";
echo "Requested Resource: ".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."<br />";
echo "Go back to the <a href='".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']."' >Main</a> page";
exit();
}
function error_413() {
header("HTTP/1.0 413 Request Entity Too Large");
echo "<h1>HTTP/1.0 413 Request Entity Too Large</h1>";
echo "You're discription is too large for this resource<br />- Consider lowering the Error Correction Capability <br />";
echo "Requested Resource: ".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']."<br />";
echo "Go back to the <a href='".'http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME']."' >Main</a> page";
exit();
}
/***************************************************************************************************************
* HTTP application/json header
************************************************************************************************************* */
function json_header() {
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate( "D, d M Y H:i:s" ) . "GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Content-type: application/json");
}
/** ************************************************************************************************************* */
/**
* Genarates an UUID
*
* @author Anis uddin Ahmad <[email protected]>
* @link http://www.phpclasses.org/package/4427-PHP-Generate-feeds-in-RSS-1-0-2-0-an-Atom-formats.html ref
* @param string an optional prefix
* @return string the formated uuid
*/
function uuid($key = null, $prefix ='QR') {
$key = ($key == null)? 'http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'] : $key;
$chars = md5($key);
$uuid = substr($chars,0,8) . '-';
$uuid .= substr($chars,8,4) . '-';
$uuid .= substr($chars,12,4) . '-';
$uuid .= substr($chars,16,4) . '-';
$uuid .= substr($chars,20,12);
return $prefix .'-'. $uuid;
}
require_once 'gigcablelabel.class.php';
// view switcher
if (array_key_exists('ORIG_PATH_INFO', $_SERVER)) { $rest=$_SERVER['ORIG_PATH_INFO']; }
elseif (array_key_exists('PATH_INFO', $_SERVER)) { $rest=$_SERVER['PATH_INFO']; } else { $rest=''; }
// imgdata
if (array_key_exists('QUERY_STRING', $_SERVER)) { $imgdata=$_SERVER['QUERY_STRING']; } else { $imgdata=''; }
// RESTful CRUD access switcher
if (array_key_exists('REQUEST_METHOD', $_SERVER)) { $method=$_SERVER['REQUEST_METHOD']; } else { $method=''; }
//
$webdir=str_replace($_SERVER['DOCUMENT_ROOT'], '', dirname(__FILE__));
//
if ($rest) {
$r=explode('/', $rest);
array_shift($r); // drop blank before /
$page=array_shift($r);
switch ($page) {
case 'feed':
// Make dir
if($method == 'POST') {
$p=file_get_contents("php://input");
$post=json_decode($p, true);
$dir=GigCableLabel::dir().'/'.$post['project'];
if (!is_dir($dir)) mkdir($dir, 0750, true);
success_201('http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']);
} else {
$p=array_shift($r);
if ($p == '' ) { error_400(); }
$dir=GigCableLabel::dir().'/'.$p;
if (!is_dir($dir)) error_404();
}
if($method == 'DELETE') {
$d=glob($dir.'/*.json');
$f=$dir.'/'.$imgdata.'.json';
if (in_array($f, $d)) {
if (is_file($f)) {
unlink($f);
} else { error_410(); }
} else { error_404(); }
unset($d);
}
if ($method == 'PUT') {
$j=file_get_contents("php://input");
$file=json_decode($j, true);
if (! array_key_exists('code',$file) && !ctype_alnum ($file['code'])) error_404();
if (! array_key_exists('width',$file) && !ctype_alnum ($file['width'])) error_404();
if (! array_key_exists('height',$file) && !ctype_alnum ($file['height'])) error_404();
if (! array_key_exists('x',$file) && !is_numeric($file['x'])) error_404();
if (! array_key_exists('y',$file) && !is_numeric($file['y'])) error_404();
$file['published']=gmdate(DATE_ATOM,time());
$name=$dir."/".str_replace(':', '|', $file['published']).".json";
$file['file']=$name;
$file['url']='http://'.$_SERVER['HTTP_HOST'].$webdir.trim($name, '.');
$file['id']=uuid($name, $file['code']);
$file['put']='http://'.$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI'];
$file['project']=$p;
$json=json_encode($file, JSON_ERROR_SYNTAX);
if (! file_put_contents( $name, $json)) { error_412(); }
json_header();
echo $json;
exit();
} elseif($method == 'DELETE' || $method == 'GET' || $method == 'POST') {
$uri='http://'.$_SERVER['HTTP_HOST'].$_SERVER['SCRIPT_NAME'];
$id=uuid($uri, 'atom');
$date=gmdate(DATE_ATOM,time());
json_header();
$j=glob($dir."/*.json");
$proj=array();
foreach ($j as $c) {
$link='http://'.$_SERVER['HTTP_HOST'].$webdir.trim($c, '.');
$f=file_get_contents($c);
$json=json_decode($f, true);
$proj[]=$json;
}
echo json_encode($proj);
exit();
} else { error_405(); }
break;
case 'ui.json': GigCableLabel::load_ui(); break;
case 'print':
$width=array_shift($r);
$height=array_shift($r);
$x=array_shift($r);
$y=array_shift($r);
$img_style=array_shift($r);
GigCableLabel::print_page($width, $height,$x,$y,$img_style,$imgdata) || error_404();
break;
case 'label':
$code=array_shift($r);
if (!ctype_alnum ($code)) error_404();
$label=new GigCableLabel($code);
$label->make_label();
break;
case 'QR':
$lvl=array_shift($r);
if (! ctype_upper($lvl)) error_404();
$code=array_shift($r);
if (!ctype_alnum ($code)) error_404();
$desc=trim(implode('//', $r), '/');
$label=new GigCableLabel($code);
$label->qr=TRUE;
$label->errorCorrectionLevel=$lvl;
if ($label->desc=trim($desc)) {
$label->make_label();
} else { error_413(); }
break;
}
exit();
}
//$label=new GigCableLabel();
//exit();
?>
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