Files
cloudron-box/src/storage/s3.js
2016-04-04 11:44:24 -07:00

129 lines
3.9 KiB
JavaScript

'use strict';
exports = module.exports = {
getSignedUploadUrl: getSignedUploadUrl,
getRestoreUrl: getRestoreUrl,
copyObject: copyObject,
getAllPaged: getAllPaged
};
var assert = require('assert'),
AWS = require('aws-sdk');
function getBackupCredentials(apiConfig, callback) {
assert.strictEqual(typeof apiConfig, 'object');
assert.strictEqual(typeof callback, 'function');
assert(apiConfig.accessKeyId && apiConfig.secretAccessKey);
var credentials = {
accessKeyId: apiConfig.accessKeyId,
secretAccessKey: apiConfig.secretAccessKey,
region: apiConfig.region || 'us-east-1'
};
if (apiConfig.endpoint) credentials.endpoint = new AWS.Endpoint(apiConfig.endpoint);
callback(null, credentials);
}
function getAllPaged(apiConfig, page, perPage, callback) {
assert.strictEqual(typeof apiConfig, 'object');
assert.strictEqual(typeof page, 'number');
assert.strictEqual(typeof perPage, 'number');
assert.strictEqual(typeof callback, 'function');
getBackupCredentials(apiConfig, function (error, credentials) {
if (error) return callback(error);
var s3 = new AWS.S3(credentials);
var params = {
Bucket: apiConfig.bucket,
EncodingType: 'url',
Prefix: apiConfig.prefix + '/backup_'
};
s3.listObjects(params, function (error, data) {
if (error) return callback(error);
var results = data.Contents.map(function (backup) {
return {
creationTime: backup.LastModified,
restoreKey: backup.Key.slice(apiConfig.prefix.length + 1),
dependsOn: [] // FIXME empty dependsOn is wrong and version property is missing!!
};
});
results.sort(function (a, b) { return a.creationTime < b.creationTime; });
return callback(null, results);
});
});
}
function getSignedUploadUrl(apiConfig, filename, callback) {
assert.strictEqual(typeof apiConfig, 'object');
assert.strictEqual(typeof filename, 'string');
assert.strictEqual(typeof callback, 'function');
getBackupCredentials(apiConfig, function (error, credentials) {
if (error) return callback(error);
var s3 = new AWS.S3(credentials);
var params = {
Bucket: apiConfig.bucket,
Key: apiConfig.prefix + '/' + filename,
Expires: 60 * 30 /* 30 minutes */
};
var url = s3.getSignedUrl('putObject', params);
callback(null, { url : url });
});
}
function getRestoreUrl(apiConfig, filename, callback) {
assert.strictEqual(typeof apiConfig, 'object');
assert.strictEqual(typeof filename, 'string');
assert.strictEqual(typeof callback, 'function');
getBackupCredentials(apiConfig, function (error, credentials) {
if (error) return callback(error);
var s3 = new AWS.S3(credentials);
var params = {
Bucket: apiConfig.bucket,
Key: apiConfig.prefix + '/' + filename,
Expires: 60 * 30 /* 30 minutes */
};
var url = s3.getSignedUrl('getObject', params);
callback(null, { url: url });
});
}
function copyObject(apiConfig, from, to, callback) {
assert.strictEqual(typeof apiConfig, 'object');
assert.strictEqual(typeof from, 'string');
assert.strictEqual(typeof to, 'string');
assert.strictEqual(typeof callback, 'function');
getBackupCredentials(apiConfig, function (error, credentials) {
if (error) return callback(error);
var params = {
Bucket: apiConfig.bucket, // target bucket
Key: apiConfig.prefix + '/' + to, // target file
CopySource: apiConfig.bucket + '/' + apiConfig.prefix + '/' + from, // source
};
var s3 = new AWS.S3(credentials);
s3.copyObject(params, callback);
});
}