问错误:匿名调用方没有storage.objects.get访问Google对象的权限

EN

const functions = require('firebase-functions')
const { Storage } = require('@google-cloud/storage');
const projectId = "REDACTED INFO"
let gcs = new Storage ({
    projectId
});
const os = require('os');
const path = require('path');



const sharp = require('sharp');
const fs = require('fs-extra');

// // Create and Deploy Your First Cloud Functions
// // https://firebase.google.com/docs/functions/write-firebase-functions


exports.onFileChange = functions.storage.object().onFinalize(async object => {
    const bucket = gcs.bucket(object.bucket);
    const filePath = object.name;


    const fileName = filePath.split('/').pop();
    const bucketDir = path.dirname(filePath);


    const workingDir = path.join(os.tmpdir(), 'thumbs');
    // const tmpFilePath = path.join(workingDir, 'source.png');
    const tmpFilePath = path.join(workingDir, fileName);
    //const tmpFilePath = path.join(os.tmpdir(), path.basename(filePath));


    if (fileName.includes('thumb@') || !object.contentType.includes('image')) {
        console.log('exiting function');
        return false;
    }


    // 1. Ensure thumbnail dir exists
    await fs.ensureDir(workingDir);


    // 2. Download Source File
    await bucket.file(filePath).download({
        destination: tmpFilePath
    });

    // 3. Resize the images and define an array of upload promises
    const sizes = [64, 128, 256];

    const uploadPromises = sizes.map(async size => {
        const thumbName = `thumb@${size}_${fileName}`;
        const thumbPath = path.join(workingDir, thumbName);

        // Resize source image
        await sharp(tmpFilePath)
          .resize(size, size)
          .toFile(thumbPath);

        // Upload to GCS
        return bucket.upload(thumbPath, {
            destination: path.join(bucketDir, thumbName)
        });
    });

    // 4. Run the upload operations
    await Promise.all(uploadPromises);

    // 5. Cleanup remove the tmp/thumbs from the filesystem
    return fs.remove(workingDir);
});

exports.onFileDelete = functions.storage.object().onDelete(event => {
    console.log(event);
    console.log('We deleted a file, exit...')
    return;
});

Error: Anonymous caller does not have storage.objects.get access to the Google Cloud Storage object.
    at new ApiError (/srv/node_modules/@google-cloud/common/build/src/util.js:59:15)
    at Util.parseHttpRespMessage (/srv/node_modules/@google-cloud/common/build/src/util.js:161:41)
    at Util.handleResp (/srv/node_modules/@google-cloud/common/build/src/util.js:135:76)
    at Duplexify.requestStream.on.on.res (/srv/node_modules/@google-cloud/storage/build/src/file.js:823:31)
    at emitOne (events.js:116:13)
    at Duplexify.emit (events.js:211:7)
    at emitOne (events.js:116:13)
    at DestroyableTransform.emit (events.js:211:7)
    at onResponse (/srv/node_modules/retry-request/index.js:200:19)
    at PassThrough.<anonymous> (/srv/node_modules/retry-request/index.js:152:11) 

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