87 lines
2.8 KiB
JavaScript
87 lines
2.8 KiB
JavaScript
import azureBlob from "@azure/storage-blob";
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import getStream from "into-stream";
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import { newError } from "./services.js";
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// SETUP
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const containerURL = `https://${process.env.AZURE_STORAGE_ACCOUNT_NAME}.blob.core.windows.net/img/`;
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const container = "img";
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const OneMB = 1024 * 1024;
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const uploadOptions = { bufferSize: 4 * OneMB, maxBuffers: 2 };
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const sharedKeyCredential = new azureBlob.StorageSharedKeyCredential(
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process.env.AZURE_STORAGE_ACCOUNT_NAME,
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process.env.AZURE_STORAGE_ACCOUNT_KEY
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);
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const pipeline = azureBlob.newPipeline(sharedKeyCredential);
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const blobServiceClient = new azureBlob.BlobServiceClient(
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`https://${process.env.AZURE_STORAGE_ACCOUNT_NAME}.blob.core.windows.net`,
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pipeline
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);
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// CODE
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export async function renameBlob(blobURL) {
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try {
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const blobName = blobURL.replace(containerURL, "");
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const containerClient = blobServiceClient.getContainerClient(container);
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const tempBlob = containerClient.getBlobClient(blobName);
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const newBlob = containerClient.getBlobClient(removePrefix(blobName));
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await newBlob.syncCopyFromURL(tempBlob.url);
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return newBlob.url;
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} catch (e) {
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throw newError("Unable to save image", 500);
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}
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}
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export async function uploadBlob(request, resp) {
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const blobName = makeTempBlobName(request.file.originalname);
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const stream = getStream(request.file.buffer);
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const containerClient = blobServiceClient.getContainerClient(container);
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const blockBlobClient = containerClient.getBlockBlobClient(blobName);
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const response = {
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imgURL: `https://${process.env.AZURE_STORAGE_ACCOUNT_NAME}.blob.core.windows.net/img/${blobName}`,
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};
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try {
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await blockBlobClient
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.uploadStream(
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stream,
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uploadOptions.bufferSize,
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uploadOptions.maxBuffers,
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{ blobHTTPHeaders: { blobContentType: "image/jpeg" } }
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)
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.then(() => {
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setDeleteTempBlobTimer(blobName, containerClient, 1);
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resp.send(response);
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});
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} catch (err) {
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console.log(err);
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throw newError("Unable to save image", 500);
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}
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}
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export function removePrefix(string) {
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const newString = string.replace("TEMP_", "");
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return newString;
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}
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export function makeTempBlobName(originalName) {
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const identifier = Math.random().toString().replace(/0\./, "");
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return `TEMP_${identifier}-${originalName}`;
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}
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export function setDeleteTempBlobTimer(blobName, containerClient, minutes) {
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let blob = containerClient.getBlobClient(blobName);
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setTimeout(() => {
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blob.delete();
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}, 1000 * 60 * minutes);
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}
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export async function deleteImage(url) {
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const containerClient = blobServiceClient.getContainerClient(container);
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const containerUrl = containerClient.url + "/";
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const blobName = url.replace(containerUrl, "");
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console.log(`BLOB NAME = ${blobName}`);
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const blob = containerClient.getBlobClient(blobName);
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await blob.delete();
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}
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