//showing an Error (POST only supports one key parameter per request.)//
if i am passing more than one variable in policy it is saying invalid number arguments
<?php
$access_key = ""; //Access Key
$secret_key = ""; //Secret Key
$my_bucket = "99md"; //bucket name
$region = "ap-southeast-1"; //bucket region
$success_redirect = 'http://'. $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']; //URL to which the client is redirected upon success (currently self)
$allowd_file_size = "314573700"; //300 MB allowed Size
$folder=$_POST["query"];
//$key="folder/filename.extension";
//dates
$short_date = gmdate('Ymd'); //short date
$iso_date = gmdate("Ymd\THis\Z"); //iso format date
$expiration_date = gmdate('Y-m-d\TG:i:s\Z', strtotime('+23677890000 hours')); //policy expiration 1 hour from now
If I am passing more than one variable in policy it is saying invalid number arguments
$policy = utf8_encode(json_encode(array(
'expiration' => $expiration_date,
'conditions' => array(
array('acl' => 'public-read'),
array('bucket' => $my_bucket),
array('success_action_redirect' => $success_redirect),
array('starts-with',(array('$key',''))),
array('content-length-range', '1', $allowd_file_size),
array('x-amz-credential' => $access_key.'/'.$short_date.'/'.$region.'/s3/aws4_request'),
array('x-amz-algorithm' => 'AWS4-HMAC-SHA256'),
array('X-amz-date' => $iso_date)
))));
$kDate = hash_hmac('sha256', $short_date, 'AWS4' . $secret_key, true);
$kRegion = hash_hmac('sha256', $region, $kDate, true);
$kService = hash_hmac('sha256', "s3", $kRegion, true);
$kSigning = hash_hmac('sha256', "aws4_request", $kService, true);
$signature = hash_hmac('sha256', base64_encode($policy), $kSigning);
?>
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Aws S3 Direct File Uploader</title>
</head>
<body>
<script type="text/javascript">
function submitform()
{
document.forms["myform"].submit();
alert("Value is sumitted");
}
</script>
<form id="myform" method="post">
<table align="center">
<tr CLASS="EVEN">
<td>
Choose Store Name
</td>
<td style="width: 275px">
<select name="query">
<option value="" style="text-align:left;"> -----------ALL----------- </option>
<?php
include("db.php");
$dd_res=mysql_query("select Store_Desc from ret_ticket_install where Supp_Tick_Desc = 'In Process'");
while($r=mysql_fetch_array($dd_res))
{
echo "<option value='$r[Store_Desc]'> $r[Store_Desc] </option>";
}
?>
</select>
</td>
</tr>
</table>
<table align="center">
<tr>
<td>
<a href="javascript: submitform()">Submit</a>
</td>
</tr>
</table>
</form>
<form action="http://<?= $my_bucket ?>.s3.amazonaws.com/" method="post" enctype="multipart/form-data">
<table align="center">
<tr>
<td>
<input type="hidden" name="key" value="<?=$folder;?>/${filename}";
</td>
</tr>
<tr>
<td>
<input type="hidden" name="key" value="<?=$folder;?>/MainAdvertisement-Cont1/${filename}" /> //if i am passing more than one variable in policy it is saying invalid number arguments(how to pass)
</td>
</tr>
<input type="hidden" name="acl" value="public-read" />
<input type="hidden" name="X-Amz-Credential" value="<?= $access_key; ?>/<?= $short_date; ?>/<?= $region; ?>/s3/aws4_request" />
<input type="hidden" name="X-Amz-Algorithm" value="AWS4-HMAC-SHA256" />
<input type="hidden" name="X-Amz-Date" value="<?=$iso_date ; ?>" />
<input type="hidden" name="Policy" value="<?=base64_encode($policy); ?>" />
<input type="hidden" name="X-Amz-Signature" value="<?=$signature ?>" />
<input type="hidden" name="success_action_redirect" value="<?= $success_redirect ?>" />
<tr>
<td>
<input type="file" name="file" />
</td>
</tr>
<tr>
<tr>
<td>
<br><input type="submit" value="Upload File" />
</td>
</tr>
</table>
</form>
<?php
//After success redirection from AWS S3
if(isset($_GET["key"]))
{
$filename = $_GET["key"];
$ext = pathinfo($filename, PATHINFO_EXTENSION);
if(in_array($ext, array("jpg", "png", "gif", "jpeg"))){
echo '<hr />Image File Uploaded : <br /><img src="http://'.$my_bucket.'.s3.amazonaws.com/'.$_GET["key"].'" style="width:100%;" />';
}else{
echo '<hr />File Uploaded : <br /><a href="http://'.$my_bucket.'.s3.amazonaws.com/'.$_GET["key"].'">'.$filename.'</a>';
}
}
?>
</body>
</html></div>
