c2f38f2af0
For reference: https://en.wikipedia.org/wiki/Wikipedia:Lists_of_common_misspellings/For_machines
119 lines
2.9 KiB
JavaScript
119 lines
2.9 KiB
JavaScript
import crypto from 'crypto'
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import { getClient } from './api'
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import { CMS_LANG, CMS_CHANNEL } from './constants'
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//Validates whether the incoming preview request is valid
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export async function validatePreview({ agilityPreviewKey, slug, contentID }) {
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//Validate the preview key
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if (!agilityPreviewKey) {
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return {
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error: true,
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message: `Missing agilitypreviewkey.`,
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}
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}
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//sanitize incoming key (replace spaces with '+')
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if (agilityPreviewKey.indexOf(` `) > -1) {
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agilityPreviewKey = agilityPreviewKey.split(` `).join(`+`)
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}
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//compare the preview key being used
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const correctPreviewKey = generatePreviewKey()
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if (agilityPreviewKey !== correctPreviewKey) {
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return {
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error: true,
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message: `Invalid agilitypreviewkey.`,
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//message: `Invalid agilitypreviewkey. Incoming key is=${agilityPreviewKey} compared to=${correctPreviewKey}...`
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}
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}
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const validateSlugResponse = await validateSlugForPreview({ slug, contentID })
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if (validateSlugResponse.error) {
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//kickout
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return validateSlugResponse
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}
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//return success
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return {
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error: false,
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message: null,
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slug: validateSlugResponse.slug,
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}
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}
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//Checks that the requested page exists, if not return a 401
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export async function validateSlugForPreview({ slug, contentID }) {
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//if its for root, allow it and kick out
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if (slug === `/`) {
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return {
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error: false,
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message: null,
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slug: `/`,
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}
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}
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const client = getClient(true)
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//this is a standard page
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const sitemapFlat = await client.getSitemapFlat({
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channelName: CMS_CHANNEL,
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languageCode: CMS_LANG,
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})
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let sitemapNode = null
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if (!contentID) {
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//For standard pages
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sitemapNode = sitemapFlat[slug]
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} else {
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console.log(contentID)
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//For dynamic pages - need to adjust the actual slug
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slug = Object.keys(sitemapFlat).find((key) => {
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const node = sitemapFlat[key]
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if (node.contentID === contentID) {
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return node
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}
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return false
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})
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sitemapNode = sitemapFlat[slug]
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}
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if (!sitemapNode) {
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return {
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error: true,
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message: `Invalid page. '${slug}' was not found in the sitemap. Are you trying to preview a Dynamic Page Item? If so, ensure you have your List Preview Page, Item Preview Page, and Item Preview Query String Parameter set (contentid) .`,
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slug: null,
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}
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}
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return {
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error: false,
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message: null,
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slug: sitemapNode.path,
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}
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}
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//Generates a preview key to compare against
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export function generatePreviewKey() {
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//the string we want to encode
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const str = `-1_${process.env.AGILITY_CMS_SECURITY_KEY}_Preview`
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//build our byte array
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let data = []
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for (var i = 0; i < str.length; ++i) {
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data.push(str.charCodeAt(i))
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data.push(0)
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}
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//convert byte array to buffer
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const strBuffer = Buffer.from(data)
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//encode it!
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const previewKey = crypto
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.createHash('sha512')
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.update(strBuffer)
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.digest('base64')
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return previewKey
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}
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