mirror of
https://github.com/therootcompany/s3.js.git
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add ability to sign() without fetch
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parent
d26ab16475
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42
README.md
42
README.md
@ -2,12 +2,28 @@
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> Minimalist S3 client
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A lightweight alternative to the s3 SDK that uses @root/request and aws4.
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A lightweight alternative to the s3 SDK that uses only @root/request and aws4.
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* set()
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* get()
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* head()
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* delete()
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- set()
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- get()
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- head()
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- delete()
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- sign()
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Download a file from S3
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```js
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s3.get({
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accessKeyId,
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secretAccessKey,
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region,
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bucket,
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prefix,
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key
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});
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```
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Upload a new file to S3
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```js
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s3.set({
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@ -19,7 +35,21 @@ s3.set({
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key,
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body,
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size
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})
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});
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```
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Return signed URL without fetching.
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```js
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s3.sign({
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method: 'get',
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accessKeyId,
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secretAccessKey,
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region,
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bucket,
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prefix,
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key
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});
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```
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If the body is a stream then `size` must be set to `fs.statSync(filePath).size`, or the request will fail:
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88
index.js
88
index.js
@ -4,17 +4,13 @@ var aws4 = require('aws4');
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var request = require('@root/request');
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var env = process.env;
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module.exports = {
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var S3;
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module.exports = S3 = {
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// HEAD
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head: function({
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host,
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accessKeyId,
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secretAccessKey,
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region,
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bucket,
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prefix,
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key
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}) {
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head: function (
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{ host, accessKeyId, secretAccessKey, region, bucket, prefix, key },
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_sign
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) {
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// TODO support minio
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/*
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var awsHost = config.awsHost;
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@ -45,7 +41,7 @@ module.exports = {
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}
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var signed = aws4.sign(
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{
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host: host || (bucket + '.s3.amazonaws.com'),
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host: host || bucket + '.s3.amazonaws.com',
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service: 's3',
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region: region,
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path: (host ? '/' + bucket : '') + '/' + prefix + key,
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@ -55,8 +51,11 @@ module.exports = {
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{ accessKeyId: accessKeyId, secretAccessKey: secretAccessKey }
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);
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var url = 'https://' + signed.host + signed.path;
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if ('sign' === _sign) {
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return url;
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}
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return request({ method: 'HEAD', url }).then(function(resp) {
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return request({ method: 'HEAD', url }).then(function (resp) {
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if (200 === resp.statusCode) {
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resp.url = url;
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return resp;
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@ -73,7 +72,8 @@ module.exports = {
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},
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// GET
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get: function({
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get: function (
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{
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host,
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accessKeyId,
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secretAccessKey,
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@ -82,14 +82,16 @@ module.exports = {
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prefix,
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key,
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json
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}) {
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},
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_sign
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) {
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prefix = prefix || '';
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if (prefix) {
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prefix = prefix.replace(/\/?$/, '/');
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}
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var signed = aws4.sign(
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{
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host: host || (bucket + '.s3.amazonaws.com'),
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host: host || bucket + '.s3.amazonaws.com',
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service: 's3',
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region: region,
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path: (host ? '/' + bucket : '') + '/' + prefix + key,
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@ -99,6 +101,9 @@ module.exports = {
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{ accessKeyId: accessKeyId, secretAccessKey: secretAccessKey }
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);
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var url = 'https://' + signed.host + signed.path;
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if ('sign' === _sign) {
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return url;
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}
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// stay binary by default
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var encoding = null;
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@ -110,7 +115,7 @@ module.exports = {
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url,
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encoding: encoding,
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json: json
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}).then(function(resp) {
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}).then(function (resp) {
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if (200 === resp.statusCode) {
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resp.url = url;
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return resp;
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@ -127,7 +132,8 @@ module.exports = {
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},
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// PUT
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set: function({
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set: function (
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{
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host,
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accessKeyId,
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secretAccessKey,
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@ -137,14 +143,16 @@ module.exports = {
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key,
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body,
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size
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}) {
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},
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_sign
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) {
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prefix = prefix || '';
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if (prefix) {
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prefix = prefix.replace(/\/?$/, '/');
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}
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var signed = aws4.sign(
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{
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host: host || (bucket + '.s3.amazonaws.com'),
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host: host || bucket + '.s3.amazonaws.com',
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service: 's3',
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region: region,
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path: (host ? '/' + bucket : '') + '/' + prefix + key,
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@ -159,7 +167,7 @@ module.exports = {
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headers['Content-Length'] = size;
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}
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return request({ method: 'PUT', url, body, headers }).then(function(
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return request({ method: 'PUT', url, body, headers }).then(function (
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resp
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) {
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if (200 === resp.statusCode) {
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@ -178,22 +186,17 @@ module.exports = {
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},
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// DELETE
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del: function({
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host,
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accessKeyId,
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secretAccessKey,
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region,
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bucket,
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prefix,
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key
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}) {
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del: function (
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{ host, accessKeyId, secretAccessKey, region, bucket, prefix, key },
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_sign
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) {
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prefix = prefix || '';
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if (prefix) {
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prefix = prefix.replace(/\/?$/, '/');
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}
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var signed = aws4.sign(
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{
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host: host || (bucket + '.s3.amazonaws.com'),
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host: host || bucket + '.s3.amazonaws.com',
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service: 's3',
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region: region,
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path: (host ? '/' + bucket : '') + '/' + prefix + key,
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@ -204,7 +207,7 @@ module.exports = {
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);
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var url = 'https://' + signed.host + signed.path;
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return request({ method: 'DELETE', url }).then(function(resp) {
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return request({ method: 'DELETE', url }).then(function (resp) {
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if (204 === resp.statusCode) {
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resp.url = url;
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return resp;
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@ -218,5 +221,28 @@ module.exports = {
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err.response = resp;
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throw err;
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});
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},
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// sign-only
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sign: function (opts) {
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var method = opts.method;
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if (!method) {
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method = 'GET';
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}
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switch (method.toUpperCase()) {
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case 'HEAD':
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return S3.head(opts, 'sign');
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case 'GET':
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return S3.get(opts, 'sign');
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case 'POST':
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case 'PUT':
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case 'SET':
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return S3.set(opts, 'sign');
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case 'DEL':
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case 'DELETE':
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return S3.del(opts, 'sign');
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default:
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throw new Error("Unknown method '" + method + "'");
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}
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}
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};
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