| 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 |
| $flashVars | boolean | Includes additional "Filename" variable posted by Flash |
| return | object | |
public static function getHttpUploadPostParams($bucket, $uriPrefix = '', $acl = self::ACL_PRIVATE, $lifetime = 3600, $maxFileSize = 5242880, $successRedirect = "201", $amzHeaders = array(), $headers = array(), $flashVars = false)
{
// Create policy object
$policy = new stdClass();
$policy->expiration = gmdate('Y-m-d\\TH:i:s\\Z', self::__getTime() + $lifetime);
$policy->conditions = array();
$obj = new stdClass();
$obj->bucket = $bucket;
array_push($policy->conditions, $obj);
$obj = new stdClass();
$obj->acl = $acl;
array_push($policy->conditions, $obj);
$obj = new stdClass();
// 200 for non-redirect uploads
if (is_numeric($successRedirect) && in_array((int) $successRedirect, array(200, 201))) {
$obj->success_action_status = (string) $successRedirect;
} else {
// URL
$obj->success_action_redirect = $successRedirect;
}
array_push($policy->conditions, $obj);
if ($acl !== self::ACL_PUBLIC_READ) {
array_push($policy->conditions, array('eq', '$acl', $acl));
}
array_push($policy->conditions, array('starts-with', '$key', $uriPrefix));
if ($flashVars) {
array_push($policy->conditions, array('starts-with', '$Filename', ''));
}
foreach (array_keys($headers) as $headerKey) {
array_push($policy->conditions, array('starts-with', '$' . $headerKey, ''));
}
foreach ($amzHeaders as $headerKey => $headerVal) {
$obj = new stdClass();
$obj->{$headerKey} = (string) $headerVal;
array_push($policy->conditions, $obj);
}
array_push($policy->conditions, array('content-length-range', 0, $maxFileSize));
$policy = base64_encode(str_replace('\\/', '/', json_encode($policy)));
// Create parameters
$params = new stdClass();
$params->AWSAccessKeyId = self::$__accessKey;
$params->key = $uriPrefix . '${filename}';
$params->acl = $acl;
$params->policy = $policy;
unset($policy);
$params->signature = self::__getHash($params->policy);
if (is_numeric($successRedirect) && in_array((int) $successRedirect, array(200, 201))) {
$params->success_action_status = (string) $successRedirect;
} else {
$params->success_action_redirect = $successRedirect;
}
foreach ($headers as $headerKey => $headerVal) {
$params->{$headerKey} = (string) $headerVal;
}
foreach ($amzHeaders as $headerKey => $headerVal) {
$params->{$headerKey} = (string) $headerVal;
}
return $params;
} public static function generateUploadPOSTParams($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;
}
