Last active
April 6, 2024 03:40
-
-
Save zxbodya/3cdabd9172bcc89f8ac5 to your computer and use it in GitHub Desktop.
Client side uploads to s3, with pre-signed upload form (PHP/JS)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?xml version="1.0" encoding="UTF-8"?> | |
<CORSConfiguration xmlns="http://s3.amazonaws.com/doc/2006-03-01/"> | |
<CORSRule> | |
<AllowedOrigin>*</AllowedOrigin> | |
<AllowedMethod>PUT</AllowedMethod> | |
<AllowedMethod>POST</AllowedMethod> | |
<AllowedMethod>GET</AllowedMethod> | |
<AllowedMethod>HEAD</AllowedMethod> | |
<MaxAgeSeconds>3000</MaxAgeSeconds> | |
<AllowedHeader>*</AllowedHeader> | |
</CORSRule> | |
</CORSConfiguration> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
public function getImageUploadForm($key, $expiration, $sizeLimit) | |
{ | |
$policy = [ | |
'expiration' => (new \DateTime($expiration))->format("Y-m-d\TH:i:s") . ".000Z", | |
'conditions' => [ | |
['bucket' => $this->awsBucket], | |
['acl' => 'private'], | |
['key' => $key], | |
['Content-Type' => 'image/jpeg'], | |
["content-length-range", 0, $sizeLimit] | |
] | |
]; | |
$policyJson = json_encode($policy); | |
$policyBase64 = base64_encode($policyJson); | |
$signature = base64_encode(hash_hmac('sha1', $policyBase64, $this->awsSecret, true)); | |
$form = [ | |
'key' => $key, | |
'AWSAccessKeyId' => $this->awsKey, | |
'acl' => 'private', | |
'policy' => $policyBase64, | |
'signature' => $signature, | |
'Content-Type' => 'image/jpeg', | |
]; | |
return $form; | |
} | |
public function getUploadUrl() | |
{ | |
return $this->s3client->getObjectUrl($this->awsBucket, ''); | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// url from getUploadUrl in file above | |
// data presigned upload form data getImageUploadForm in file above | |
// file - File or Blob to be uploaded | |
// fileName - filename which would be passed with upload form (does not matter in case of s3) | |
function upload(url, data, file, fileName){ | |
var xhr = new XMLHttpRequest(); | |
xhr.onerror = function (e) { | |
// handle failture | |
}; | |
xhr.upload.addEventListener('progress', function (e) { | |
// handle notifications about upload progress: e.loaded / e.total | |
}, false); | |
xhr.onreadystatechange = function () { | |
if (xhr.readyState === XMLHttpRequest.DONE) { | |
if (xhr.status >= 200 && xhr.status <= 299) { | |
// upload completed | |
} else { | |
// failed with error messge from server | |
} | |
} | |
}; | |
function formData(data, file, fileName) { | |
var res = new FormData(); | |
for (var k in data) { | |
res.append(k, data[k]); | |
} | |
res.append('file', file, fileName); | |
return res; | |
} | |
xhr.open('POST', url, true); | |
xhr.send(formData(data, file, fileName)); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment