Get upload POST parameters for form uploads
| public static getHttpUploadPostParams ( string $bucket, string $uriPrefix = '', constant $acl = self::ACL_PRIVATE, integer $lifetime = 3600, integer $maxFileSize = 5242880, string $successRedirect = "201", array $amzHeaders = [], array $headers = [], boolean $flashVars = false ) : object | ||
| $bucket | string | Bucket name |
| $uriPrefix | string | Object URI prefix |
| $acl | constant | ACL constant |
| $lifetime | integer | Lifetime in seconds |
| $maxFileSize | integer | Maximum filesize in bytes (default 5MB) |
| $successRedirect | string | Redirect URL or 200 / 201 status code |
| $amzHeaders | array | Array of x-amz-meta-* headers |
| $headers | array | Array of request headers or content type as a string |
| $flashVars | boolean | Includes additional "Filename" variable posted by Flash |
| return | object | |
public static function generateUploadPOSTParams($item, Zotero_StorageFileInfo $info, $useItemContentType = false)
{
if (strlen($info->hash) != 32) {
throw new Exception("Invalid MD5 hash '{$info->md5}'");
}
if (!$item->isAttachment()) {
throw new Exception("Item {$item->id} is not an attachment");
}
$linkMode = $item->attachmentLinkMode;
switch ($linkMode) {
// TODO: get these constants from somewhere
case 0:
case 1:
break;
default:
throw new Exception("Attachment with link mode {$linkMode} cannot be uploaded");
}
$lifetime = 3600;
$path = self::getPathPrefix($info->hash, $info->zip);
$contentMD5 = '';
for ($i = 0; $i < strlen($info->hash); $i += 2) {
$contentMD5 .= chr(hexdec(substr($info->hash, $i, 2)));
}
$contentMD5 = base64_encode($contentMD5);
if ($useItemContentType) {
if ($info->zip) {
$contentType = "application/octet-stream";
} else {
$contentType = $item->attachmentMIMEType;
}
} else {
$contentType = $info->contentType;
}
$metaHeaders = array();
$requestHeaders = array('Content-Type' => $contentType, 'Content-MD5' => $contentMD5);
self::requireLibrary();
S3::setAuth(Z_CONFIG::$S3_ACCESS_KEY, Z_CONFIG::$S3_SECRET_KEY);
$params = S3::getHttpUploadPostParams(Z_CONFIG::$S3_BUCKET, $path, S3::ACL_PRIVATE, $lifetime, $info->size + 262144, 201, $metaHeaders, $requestHeaders, $info->filename);
return $params;
}
}
// Pointless without your keys!
if (awsAccessKey == 'change-this' || awsSecretKey == 'change-this') {
exit("\nERROR: AWS access information required\n\nPlease edit the following lines in this file:\n\n" . "define('awsAccessKey', 'change-me');\ndefine('awsSecretKey', 'change-me');\n\n");
}
S3::setAuth(awsAccessKey, awsSecretKey);
$bucket = 'upload-bucket';
$path = 'myfiles/';
// Can be empty ''
$lifetime = 3600;
// Period for which the parameters are valid
$maxFileSize = 1024 * 1024 * 50;
// 50 MB
$metaHeaders = array('uid' => 123);
$requestHeaders = array('Content-Type' => 'application/octet-stream', 'Content-Disposition' => 'attachment; filename=${filename}');
$params = S3::getHttpUploadPostParams($bucket, $path, S3::ACL_PUBLIC_READ, $lifetime, $maxFileSize, 201, $metaHeaders, $requestHeaders, false);
$uploadURL = 'https://' . $bucket . '.s3.amazonaws.com/';
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title>S3 Form Upload</title>
</head>
<body>
<form method="post" action="<?php
echo $uploadURL;
?>
" enctype="multipart/form-data">
<?php
foreach ($params as $p => $v) {
echo " <input type=\"hidden\" name=\"{$p}\" value=\"{$v}\" />\n";
