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| 1 | +const aws = require("aws-sdk"); |
| 2 | +const fs = require("fs"); |
| 3 | +const path = require("path"); |
| 4 | +const mime = require("mime-types"); |
| 5 | + |
| 6 | +const s3 = new aws.S3(); |
| 7 | + |
| 8 | +const SUCCESS = "SUCCESS"; |
| 9 | +const FAILED = "FAILED"; |
| 10 | + |
| 11 | +const BUCKET = process.env.BUCKET; |
| 12 | + |
| 13 | +exports.staticHandler = function(event, context) { |
| 14 | + if (event.RequestType !== "Create" && event.RequestType !== "Update") { |
| 15 | + return respond(event, context, SUCCESS, {}); |
| 16 | + } |
| 17 | + |
| 18 | + Promise.all(walkSync("./").map(file => { |
| 19 | + var fileType = mime.lookup(file) || "application/octet-stream"; |
| 20 | + |
| 21 | + console.log(`${file} -> ${fileType}`); |
| 22 | + |
| 23 | + return s3.upload({ |
| 24 | + Body: fs.createReadStream(file), |
| 25 | + Bucket: BUCKET, |
| 26 | + ContentType: fileType, |
| 27 | + Key: file, |
| 28 | + ACL: "public-read", |
| 29 | + }).promise(); |
| 30 | + })).then((msg) => { |
| 31 | + respond(event, context, SUCCESS, {Message: msg}); |
| 32 | + }).catch(err => { |
| 33 | + respond(event, context, FAILED, {Message: err}); |
| 34 | + }); |
| 35 | +}; |
| 36 | + |
| 37 | +// List all files in a directory in Node.js recursively in a synchronous fashion |
| 38 | +function walkSync(dir, filelist) { |
| 39 | + var files = fs.readdirSync(dir); |
| 40 | + filelist = filelist || []; |
| 41 | + |
| 42 | + files.forEach(function(file) { |
| 43 | + if (fs.statSync(path.join(dir, file)).isDirectory()) { |
| 44 | + filelist = walkSync(path.join(dir, file), filelist); |
| 45 | + } else { |
| 46 | + filelist.push(path.join(dir, file)); |
| 47 | + } |
| 48 | + }); |
| 49 | + |
| 50 | + return filelist; |
| 51 | +}; |
| 52 | + |
| 53 | +function respond(event, context, responseStatus, responseData, physicalResourceId, noEcho) { |
| 54 | + var responseBody = JSON.stringify({ |
| 55 | + Status: responseStatus, |
| 56 | + Reason: "See the details in CloudWatch Log Stream: " + context.logStreamName, |
| 57 | + PhysicalResourceId: physicalResourceId || context.logStreamName, |
| 58 | + StackId: event.StackId, |
| 59 | + RequestId: event.RequestId, |
| 60 | + LogicalResourceId: event.LogicalResourceId, |
| 61 | + NoEcho: noEcho || false, |
| 62 | + Data: responseData |
| 63 | + }); |
| 64 | + |
| 65 | + console.log("Response body:\n", responseBody); |
| 66 | + |
| 67 | + var https = require("https"); |
| 68 | + var url = require("url"); |
| 69 | + |
| 70 | + var parsedUrl = url.parse(event.ResponseURL); |
| 71 | + var options = { |
| 72 | + hostname: parsedUrl.hostname, |
| 73 | + port: 443, |
| 74 | + path: parsedUrl.path, |
| 75 | + method: "PUT", |
| 76 | + headers: { |
| 77 | + "content-type": "", |
| 78 | + "content-length": responseBody.length |
| 79 | + } |
| 80 | + }; |
| 81 | + |
| 82 | + var request = https.request(options, function(response) { |
| 83 | + console.log("Status code: " + response.statusCode); |
| 84 | + console.log("Status message: " + response.statusMessage); |
| 85 | + context.done(); |
| 86 | + }); |
| 87 | + |
| 88 | + request.on("error", function(error) { |
| 89 | + console.log("send(..) failed executing https.request(..): " + error); |
| 90 | + context.done(); |
| 91 | + }); |
| 92 | + |
| 93 | + request.write(responseBody); |
| 94 | + request.end(); |
| 95 | +} |
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