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