63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
import { GraphQLError } from 'graphql'
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import AWS from 'aws-sdk'
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import { IMAGE_PIXELS_MAX, UPLOAD_SIZE_MAX, UPLOAD_TYPES_ALLOW } from '../../lib/constants'
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const bucketRegion = 'us-east-1'
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AWS.config.update({
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region: bucketRegion
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})
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export default {
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Mutation: {
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getSignedPOST: async (parent, { type, size, width, height }, { models, me }) => {
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if (!me) {
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throw new GraphQLError('you must be logged in to get a signed url', { extensions: { code: 'FORBIDDEN' } })
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}
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if (UPLOAD_TYPES_ALLOW.indexOf(type) === -1) {
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throw new GraphQLError(`image must be ${UPLOAD_TYPES_ALLOW.map(t => t.replace('image/', '')).join(', ')}`, { extensions: { code: 'BAD_INPUT' } })
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}
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if (size > UPLOAD_SIZE_MAX) {
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throw new GraphQLError(`image must be less than ${UPLOAD_SIZE_MAX} bytes`, { extensions: { code: 'BAD_INPUT' } })
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}
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if (width * height > IMAGE_PIXELS_MAX) {
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throw new GraphQLError(`image must be less than ${IMAGE_PIXELS_MAX} pixels`, { extensions: { code: 'BAD_INPUT' } })
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}
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// create upload record
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const upload = await models.upload.create({
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data: {
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type,
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size,
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width,
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height,
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userId: me.id
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}
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})
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// get presigned POST ur
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const s3 = new AWS.S3({ apiVersion: '2006-03-01' })
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const res = await new Promise((resolve, reject) => {
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s3.createPresignedPost({
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Bucket: process.env.NEXT_PUBLIC_AWS_UPLOAD_BUCKET,
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Fields: {
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key: String(upload.id)
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},
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Expires: 300,
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Conditions: [
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{ 'Content-Type': type },
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{ 'Cache-Control': 'max-age=31536000' },
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{ acl: 'public-read' },
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['content-length-range', size, size]
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]
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}, (err, preSigned) => { if (err) { reject(err) } else { resolve(preSigned) } })
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})
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return res
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}
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}
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}
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