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wiki/server/modules/storage/s3/common.js

102 lines
3.6 KiB

const S3 = require('aws-sdk/clients/s3')
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const pageHelper = require('../../../helpers/page.js')
/* global WIKI */
/**
* Deduce the file path given the `page` object and the object's key to the page's path.
*/
const getFilePath = (page, pathKey) => {
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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
}
/**
* Can be used with S3 compatible storage.
*/
module.exports = class S3CompatibleStorage {
constructor(storageName) {
this.storageName = storageName
}
async activated() {
// not used
}
async deactivated() {
// not used
}
async init() {
WIKI.logger.info(`(STORAGE/${this.storageName}) Initializing...`)
const { accessKeyId, secretAccessKey, region, bucket, endpoint } = this.config
this.s3 = new S3({
accessKeyId,
secretAccessKey,
region,
endpoint,
params: { Bucket: bucket },
apiVersions: '2006-03-01'
})
// determine if a bucket exists and you have permission to access it
await this.s3.headBucket().promise()
WIKI.logger.info(`(STORAGE/${this.storageName}) Initialization completed.`)
}
async created(page) {
WIKI.logger.info(`(STORAGE/${this.storageName}) Creating file ${page.path}...`)
const filePath = getFilePath(page, 'path')
await this.s3.putObject({ Key: filePath, Body: page.injectMetadata() }).promise()
}
async updated(page) {
WIKI.logger.info(`(STORAGE/${this.storageName}) Updating file ${page.path}...`)
const filePath = getFilePath(page, 'path')
await this.s3.putObject({ Key: filePath, Body: page.injectMetadata() }).promise()
}
async deleted(page) {
WIKI.logger.info(`(STORAGE/${this.storageName}) Deleting file ${page.path}...`)
const filePath = getFilePath(page, 'path')
await this.s3.deleteObject({ Key: filePath }).promise()
}
async renamed(page) {
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WIKI.logger.info(`(STORAGE/${this.storageName}) Renaming file ${page.path} to ${page.destinationPath}...`)
let sourceFilePath = `${page.path}.${page.getFileExtension()}`
let destinationFilePath = `${page.destinationPath}.${page.getFileExtension()}`
if (WIKI.config.lang.namespacing) {
if (WIKI.config.lang.code !== page.localeCode) {
sourceFilePath = `${page.localeCode}/${sourceFilePath}`
}
if (WIKI.config.lang.code !== page.destinationLocaleCode) {
destinationFilePath = `${page.destinationLocaleCode}/${destinationFilePath}`
}
}
await this.s3.copyObject({ CopySource: sourceFilePath, Key: destinationFilePath }).promise()
await this.s3.deleteObject({ Key: sourceFilePath }).promise()
}
/**
* ASSET UPLOAD
*
* @param {Object} asset Asset to upload
*/
async assetUploaded (asset) {
WIKI.logger.info(`(STORAGE/${this.storageName}) Creating new file ${asset.path}...`)
await this.s3.putObject({ Key: asset.path, Body: asset.data }).promise()
}
/**
* ASSET DELETE
*
* @param {Object} asset Asset to delete
*/
async assetDeleted (asset) {
WIKI.logger.info(`(STORAGE/${this.storageName}) Deleting file ${asset.path}...`)
await this.s3.deleteObject({ Key: asset.path }).promise()
}
/**
* ASSET RENAME
*
* @param {Object} asset Asset to rename
*/
async assetRenamed (asset) {
WIKI.logger.info(`(STORAGE/${this.storageName}) Renaming file from ${asset.path} to ${asset.destinationPath}...`)
await this.s3.copyObject({ CopySource: asset.path, Key: asset.destinationPath }).promise()
await this.s3.deleteObject({ Key: asset.path }).promise()
}
}