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import * as express from 'express'
import * as multer from 'multer'
import { CONFIG, REMOTE_SCHEME } from '../initializers'
import { logger } from './logger'
import { User } from '../../shared/models/users'
import { generateRandomString } from './utils'
function isNSFWHidden (res: express.Response) {
if (res.locals.oauth) {
const user: User = res.locals.oauth.token.User
if (user) return user.nsfwPolicy === 'do_not_list'
}
return CONFIG.INSTANCE.DEFAULT_NSFW_POLICY === 'do_not_list'
}
function getHostWithPort (host: string) {
const splitted = host.split(':')
// The port was not specified
if (splitted.length === 1) {
if (REMOTE_SCHEME.HTTP === 'https') return host + ':443'
return host + ':80'
}
return host
}
function badRequest (req: express.Request, res: express.Response, next: express.NextFunction) {
return res.type('json').status(400).end()
}
function createReqFiles (
fieldNames: string[],
mimeTypes: { [ id: string ]: string },
destinations: { [ fieldName: string ]: string }
) {
const storage = multer.diskStorage({
destination: (req, file, cb) => {
cb(null, destinations[ file.fieldname ])
},
filename: async (req, file, cb) => {
const extension = mimeTypes[ file.mimetype ]
let randomString = ''
try {
randomString = await generateRandomString(16)
} catch (err) {
logger.error('Cannot generate random string for file name.', { err })
randomString = 'fake-random-string'
}
cb(null, randomString + extension)
}
})
const fields = []
for (const fieldName of fieldNames) {
fields.push({
name: fieldName,
maxCount: 1
})
}
return multer({ storage }).fields(fields)
}
// ---------------------------------------------------------------------------
export {
isNSFWHidden,
getHostWithPort,
badRequest,
createReqFiles
}
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