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const qs = require('querystring')
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const _ = require('lodash')
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const crypto = require('crypto')
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const localeSegmentRegex = /^[A-Z]{2}(-[A-Z]{2})?$/gi
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const systemSegmentRegex = /^[A-Z]\//gi
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module.exports = {
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/**
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* Parse raw url path and make it safe
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*/
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parsePath (rawPath) {
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let pathObj = {
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locale: 'en',
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path: 'home',
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private: false,
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privateNS: ''
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}
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// Clean Path
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rawPath = _.trim(qs.unescape(rawPath))
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if (_.startsWith(rawPath, '/')) { rawPath = rawPath.substring(1) }
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if (rawPath === '') { rawPath = 'home' }
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// Extract Info
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let pathParts = _.filter(_.split(rawPath, '/'), p => !_.isEmpty(p))
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if (pathParts[0].length === 1) {
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pathParts.shift()
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}
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if (localeSegmentRegex.test(pathParts[0])) {
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pathObj.locale = pathParts[0]
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pathParts.shift()
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}
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pathObj.path = _.join(pathParts, '/')
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return pathObj
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},
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/**
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* Generate unique hash from page
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*/
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generateHash(opts) {
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return crypto.createHash('sha1').update(`${opts.locale}|${opts.path}|${opts.privateNS}`).digest('hex')
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},
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/**
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* Inject Page Metadata
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*/
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injectPageMetadata(page) {
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let meta = [
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['title', page.title],
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['description', page.description],
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['published', page.isPublished.toString()],
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['date', page.updatedAt],
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['tags', '']
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]
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switch (page.contentType) {
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case 'markdown':
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return '---\n' + meta.map(mt => `${mt[0]}: ${mt[1]}`).join('\n') + '\n---\n\n' + page.content
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case 'html':
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return '<!--\n' + meta.map(mt => `${mt[0]}: ${mt[1]}`).join('\n') + '\n-->\n\n' + page.content
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default:
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return page.content
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}
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},
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/**
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* Check if path is a reserved path
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*/
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isReservedPath(rawPath) {
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return _.some(WIKI.data.reservedPaths, p => _.startsWith(rawPath, p)) || systemSegmentRegex.test(rawPath)
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}
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}
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