drop.chapril.org-firefoxsend/server/storage/s3.js

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2018-02-06 23:31:18 +01:00
const AWS = require('aws-sdk');
const s3 = new AWS.S3();
class S3Storage {
constructor(config, log) {
this.bucket = config.s3_bucket;
this.log = log;
}
async length(id) {
const result = await s3
.headObject({ Bucket: this.bucket, Key: id })
.promise();
return result.ContentLength;
}
getStream(id) {
return s3.getObject({ Bucket: this.bucket, Key: id }).createReadStream();
}
async set(id, file) {
let hitLimit = false;
const upload = s3.upload({
Bucket: this.bucket,
Key: id,
Body: file
});
file.on('limit', () => {
hitLimit = true;
upload.abort();
});
try {
await upload.promise();
} catch (e) {
if (hitLimit) {
throw new Error('limit');
}
throw e;
}
}
del(id) {
return s3.deleteObject({ Bucket: this.bucket, Key: id }).promise();
}
ping() {
return s3.headBucket({ Bucket: this.bucket }).promise();
}
}
module.exports = S3Storage;