function S3_delete($s3_array)
{
$AWSAccessKeyId = 'youraccesskey';
$AWSSecretAccessKey = 'yoursecretaccesskey';
$BucketName = 'yourbucket';
$AWSRegion = 'ap-south-1';
$canonical_uri="/images/coupon_images/medium_banner/2019091810352344157.jpg";
$encoded_uri = str_replace('%2F', '/', rawurlencode($canonical_uri));
if($AWSRegion == 'us-east-1') {
$hostname = trim($BucketName .".s3.amazonaws.com");
$header_string = "host:" . $hostname . "\n";
$signed_headers_string = "host";
} else {
$hostname = trim($BucketName . ".s3-" . $AWSRegion . ".amazonaws.com");
$header_string = "host:" . $hostname . "\n";
$signed_headers_string = "host";
}
$date_text = gmdate('Ymd', time());
$time_text = gmdate('Ymd\THis\Z');
$algorithm = 'AWS4-HMAC-SHA256';
$scope = $date_text . "/" . $AWSRegion . "/s3/aws4_request";
$x_amz_params = array(
'X-Amz-Algorithm' => $algorithm,
'X-Amz-Credential' => $AWSAccessKeyId . '/' . $scope,
'X-Amz-Date' => $time_text,
'X-Amz-SignedHeaders' => $signed_headers_string
);
$expires = 72000;
if ($expires > 0) {
$x_amz_params['X-Amz-Expires'] = $expires;
}
ksort($x_amz_params);
$query_string = "";
foreach ($x_amz_params as $key => $value) {
$query_string .= rawurlencode($key) . '=' . rawurlencode($value) . "&";
}
$query_string = substr($query_string, 0, -1);
$canonical_request = "DELETE\n" . $encoded_uri . "\n" . $query_string . "\n" . $header_string . "\n" . $signed_headers_string . "\nUNSIGNED-PAYLOAD";
$string_to_sign = $algorithm . "\n" . $time_text . "\n" . $scope . "\n" . hash('sha256', $canonical_request, false);
$signing_key = hash_hmac('sha256', 'aws4_request', hash_hmac('sha256', 's3', hash_hmac('sha256', $AWSRegion, hash_hmac('sha256', $date_text, 'AWS4' . $AWSSecretAccessKey, true), true), true), true);
$signature = hash_hmac('sha256', $string_to_sign, $signing_key);
$url = 'https://' . $hostname . $encoded_uri . '?' . $query_string . '&X-Amz-Signature=' . $signature;
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");
curl_setopt($ch, CURLOPT_HTTPHEADER);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_exec($ch);
return $httpcode = curl_getinfo($ch);
}
above code give response like this,
SignatureDoesNotMatchThe request signature we calculated does not match the signature you provided. Check your key and signing method.AKIAJKLJAHRPH4X4FSMQAWS4-HMAC-SHA256 20190919T053115Z 20190919/ap-south-1/s3/aws4_request
100% work the below code..
S3_delete('201909251745545.jpg','imagesbook/post_blog/'); //call function
function S3_delete($filename,$path)
{
$file_name = $filename;
$file_delete_path = $path;
$aws_access_key_id = 'your-accress-key';
$aws_secret_access_key = 'your-secret-access-key';
$bucket_name = 'your-bucket-name';
$aws_region = 'your-region'; // Enter your aws region Ex. us-east-1
$host_name = $bucket_name . '.s3.amazonaws.com';
$content_acl = 'public-read';
$content_type = '';
$content='';
$content_title = $file_delete_path.$file_name;
$aws_service_name = 's3';
$timestamp = gmdate('Ymd\THis\Z');
$date = gmdate('Ymd');
$request_headers = array();
$request_headers['Content-Type'] = $content_type;
$request_headers['Date'] = $timestamp;
$request_headers['Host'] = $host_name;
$request_headers['x-amz-acl'] = $content_acl;
$request_headers['x-amz-content-sha256'] = hash('sha256',"");
ksort($request_headers);
$canonical_headers = [];
foreach($request_headers as $key => $value)
{
$canonical_headers[] = strtolower($key) . ":" . $value;
}
$canonical_headers = implode("\n", $canonical_headers);
$signed_headers = [];
foreach($request_headers as $key => $value)
{
$signed_headers[] = strtolower($key);
}
$signed_headers = implode(";", $signed_headers);
$canonical_request = [];
$canonical_request[] = "DELETE";
$canonical_request[] = "/" . $content_title;
$canonical_request[] = "";
$canonical_request[] = $canonical_headers;
$canonical_request[] = "";
$canonical_request[] = $signed_headers;
$canonical_request[] = hash('sha256', $content);
$canonical_request = implode("\n", $canonical_request);
$hashed_canonical_request = hash('sha256', $canonical_request);
$scope = [];
$scope[] = $date;
$scope[] = $aws_region;
$scope[] = $aws_service_name;
$scope[] = "aws4_request";
$string_to_sign = [];
$string_to_sign[] = "AWS4-HMAC-SHA256";
$string_to_sign[] = $timestamp;
$string_to_sign[] = implode('/', $scope);
$string_to_sign[] = $hashed_canonical_request;
$string_to_sign = implode("\n", $string_to_sign);
$kSecret = 'AWS4' . $aws_secret_access_key;
$kDate = hash_hmac('sha256', $date, $kSecret, true);
$kRegion = hash_hmac('sha256', $aws_region, $kDate, true);
$kService = hash_hmac('sha256', $aws_service_name, $kRegion, true);
$kSigning = hash_hmac('sha256', 'aws4_request', $kService, true);
$signature = hash_hmac('sha256', $string_to_sign, $kSigning);
$authorization = [
'Credential=' . $aws_access_key_id . '/' . implode('/', $scope),
'SignedHeaders=' . $signed_headers,
'Signature=' . $signature
];
$authorization = 'AWS4-HMAC-SHA256' . ' ' . implode( ',', $authorization);
$curl_headers = [ 'Authorization: ' . $authorization ];
foreach($request_headers as $key => $value)
{
$curl_headers[] = $key . ": " . $value;
}
$url = 'https://' . $host_name . '/' . $content_title;
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_HTTPHEADER, $curl_headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "DELETE");
return curl_exec($ch); // return response data 1
//$httpcode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
//curl_close($ch);
//return $httpcode;
}