const { BlobServiceClient, StorageSharedKeyCredential } = require('@azure/storage-blob') const stream = require('stream') const Promise = require('bluebird') const pipeline = Promise.promisify(stream.pipeline) const pageHelper = require('../../../helpers/page.js') const _ = require('lodash') /* global WIKI */ const getFilePath = (page, pathKey) => { const fileName = `${page[pathKey]}.${pageHelper.getFileExtension(page.contentType)}` const withLocaleCode = WIKI.config.lang.namespacing && WIKI.config.lang.code !== page.localeCode return withLocaleCode ? `${page.localeCode}/${fileName}` : fileName } module.exports = { async activated() { }, async deactivated() { }, async init() { WIKI.logger.info(`(STORAGE/AZURE) Initializing...`) const { accountName, accountKey, containerName } = this.config this.client = new BlobServiceClient( `https://${accountName}.blob.core.windows.net`, new StorageSharedKeyCredential(accountName, accountKey) ) this.container = this.client.getContainerClient(containerName) try { await this.container.create() } catch (err) { if (err.statusCode !== 409) { WIKI.logger.warn(err) throw err } } WIKI.logger.info(`(STORAGE/AZURE) Initialization completed.`) }, async created (page) { WIKI.logger.info(`(STORAGE/AZURE) Creating file ${page.path}...`) const filePath = getFilePath(page, 'path') const pageContent = page.injectMetadata() const blockBlobClient = this.container.getBlockBlobClient(filePath) await blockBlobClient.upload(pageContent, pageContent.length, { tier: this.config.storageTier }) }, async updated (page) { WIKI.logger.info(`(STORAGE/AZURE) Updating file ${page.path}...`) const filePath = getFilePath(page, 'path') const pageContent = page.injectMetadata() const blockBlobClient = this.container.getBlockBlobClient(filePath) await blockBlobClient.upload(pageContent, pageContent.length, { tier: this.config.storageTier }) }, async deleted (page) { WIKI.logger.info(`(STORAGE/AZURE) Deleting file ${page.path}...`) const filePath = getFilePath(page, 'path') const blockBlobClient = this.container.getBlockBlobClient(filePath) await blockBlobClient.delete({ deleteSnapshots: 'include' }) }, async renamed(page) { WIKI.logger.info(`(STORAGE/${this.storageName}) Renaming file ${page.path} to ${page.destinationPath}...`) let sourceFilePath = getFilePath(page, 'path') let destinationFilePath = getFilePath(page, 'destinationPath') if (WIKI.config.lang.namespacing) { if (WIKI.config.lang.code !== page.localeCode) { sourceFilePath = `${page.localeCode}/${sourceFilePath}` } if (WIKI.config.lang.code !== page.destinationLocaleCode) { destinationFilePath = `${page.destinationLocaleCode}/${destinationFilePath}` } } const sourceBlockBlobClient = this.container.getBlockBlobClient(sourceFilePath) const destBlockBlobClient = this.container.getBlockBlobClient(destinationFilePath) await destBlockBlobClient.syncCopyFromURL(sourceBlockBlobClient.url) await sourceBlockBlobClient.delete({ deleteSnapshots: 'include' }) }, /** * ASSET UPLOAD * * @param {Object} asset Asset to upload */ async assetUploaded (asset) { WIKI.logger.info(`(STORAGE/AZURE) Creating new file ${asset.path}...`) const blockBlobClient = this.container.getBlockBlobClient(asset.path) await blockBlobClient.upload(asset.data, asset.data.length, { tier: this.config.storageTier }) }, /** * ASSET DELETE * * @param {Object} asset Asset to delete */ async assetDeleted (asset) { WIKI.logger.info(`(STORAGE/AZURE) Deleting file ${asset.path}...`) const blockBlobClient = this.container.getBlockBlobClient(asset.path) await blockBlobClient.delete({ deleteSnapshots: 'include' }) }, /** * ASSET RENAME * * @param {Object} asset Asset to rename */ async assetRenamed (asset) { WIKI.logger.info(`(STORAGE/AZURE) Renaming file from ${asset.path} to ${asset.destinationPath}...`) const sourceBlockBlobClient = this.container.getBlockBlobClient(asset.path) const destBlockBlobClient = this.container.getBlockBlobClient(asset.destinationPath) await destBlockBlobClient.syncCopyFromURL(sourceBlockBlobClient.url) await sourceBlockBlobClient.delete({ deleteSnapshots: 'include' }) }, async getLocalLocation () { }, /** * HANDLERS */ async exportAll() { WIKI.logger.info(`(STORAGE/AZURE) Exporting all content to Azure Blob Storage...`) // -> Pages await pipeline( WIKI.models.knex.column('path', 'localeCode', 'title', 'description', 'contentType', 'content', 'isPublished', 'updatedAt', 'createdAt').select().from('pages').where({ isPrivate: false }).stream(), new stream.Transform({ objectMode: true, transform: async (page, enc, cb) => { const filePath = getFilePath(page, 'path') WIKI.logger.info(`(STORAGE/AZURE) Adding page ${filePath}...`) const pageContent = pageHelper.injectPageMetadata(page) const blockBlobClient = this.container.getBlockBlobClient(filePath) await blockBlobClient.upload(pageContent, pageContent.length, { tier: this.config.storageTier }) cb() } }) ) // -> Assets const assetFolders = await WIKI.models.assetFolders.getAllPaths() await pipeline( WIKI.models.knex.column('filename', 'folderId', 'data').select().from('assets').join('assetData', 'assets.id', '=', 'assetData.id').stream(), new stream.Transform({ objectMode: true, transform: async (asset, enc, cb) => { const filename = (asset.folderId && asset.folderId > 0) ? `${_.get(assetFolders, asset.folderId)}/${asset.filename}` : asset.filename WIKI.logger.info(`(STORAGE/AZURE) Adding asset ${filename}...`) const blockBlobClient = this.container.getBlockBlobClient(filename) await blockBlobClient.upload(asset.data, asset.data.length, { tier: this.config.storageTier }) cb() } }) ) WIKI.logger.info('(STORAGE/AZURE) All content has been pushed to Azure Blob Storage.') } }