@multicloud/sls-aws/lib/services/S3Storage.js

Amazon AWS specific middleware and components for Serverless @multicloud.

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const aws_sdk_1 = __importDefault(require("aws-sdk"));
const sls_core_1 = require("@multicloud/sls-core");
const inversify_1 = require("inversify");
require("reflect-metadata");
/**
 * Implementation of CloudStorage for AWS S3 Storage
 */
let S3Storage = class S3Storage {
    /**
     * Initialize new AWS S3 service
     */
    constructor() {
        this.s3 = new aws_sdk_1.default.S3();
    }
    /**
     * Read an object from an S3 bucket
     * @param opts Container (bucket) and blob (object) to read from in S3
     */
    read(opts) {
        return __awaiter(this, void 0, void 0, function* () {
            const params = {
                Bucket: opts.container,
                Key: opts.path
            };
            const result = yield this.s3.getObject(params).promise();
            return result.Body;
        });
    }
    /**
     * Write an object to an S3 bucket
     * @param opts Container (bucket), blob (object) and body to write to S3
     */
    write(opts) {
        return __awaiter(this, void 0, void 0, function* () {
            sls_core_1.Guard.empty(opts.container, "container");
            sls_core_1.Guard.empty(opts.path, "path");
            sls_core_1.Guard.null(opts.body, "body");
            const streamBody = sls_core_1.convertToStream(opts.body);
            const params = Object.assign({}, opts.options, { Bucket: opts.container, Key: opts.path, Body: streamBody, ContentLength: streamBody.readableLength });
            const result = yield this.s3.putObject(params).promise();
            return {
                version: result.VersionId,
                eTag: result.ETag
            };
        });
    }
};
S3Storage = __decorate([
    inversify_1.injectable()
], S3Storage);
exports.S3Storage = S3Storage;