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108 lines
3.2 KiB
108 lines
3.2 KiB
const fs = require('fs')
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const fse = require('fs-extra')
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const crypto = require('crypto')
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const swaggerUiAssetPath = require('swagger-ui-dist').getAbsoluteFSPath()
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const resolve = require('path').resolve
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fse.emptyDirSync(resolve('./static'))
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// since the original swagger-ui-dist folder contains non UI files
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const filesToCopy = ['favicon-16x16.png',
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'favicon-32x32.png',
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'index.html',
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'oauth2-redirect.html',
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'swagger-ui-bundle.js',
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'swagger-ui-bundle.js.map',
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'swagger-ui-standalone-preset.js',
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'swagger-ui-standalone-preset.js.map',
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'swagger-ui.css',
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'swagger-ui.css.map',
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'swagger-ui.js',
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'swagger-ui.js.map']
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filesToCopy.forEach(filename => {
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fse.copySync(`${swaggerUiAssetPath}/${filename}`, resolve(`./static/${filename}`))
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})
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const newIndex = fs.readFileSync(resolve('./static/index.html'), 'utf8')
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.replace(/<script>(.*)<\/script>/gs, `
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<script>
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window.onload = function () {
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function resolveUrl (url) {
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const anchor = document.createElement('a')
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anchor.href = url
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return anchor.href
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}
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function resolveConfig (cb) {
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return fetch(
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resolveUrl('./uiConfig').replace('static/uiConfig', 'uiConfig')
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)
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.then(res => res.json())
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.then((config) => {
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const resConfig = Object.assign({}, {
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dom_id: '#swagger-ui',
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deepLinking: true,
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presets: [
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SwaggerUIBundle.presets.apis,
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SwaggerUIStandalonePreset
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],
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plugins: [
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SwaggerUIBundle.plugins.DownloadUrl
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],
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layout: "StandaloneLayout"
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}, config, {
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url: resolveUrl('./json').replace('static/json', 'json'),
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oauth2RedirectUrl: resolveUrl('./oauth2-redirect.html')
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});
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return cb(resConfig);
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})
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}
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// Begin Swagger UI call region
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const buildUi = function (config) {
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const ui = SwaggerUIBundle(config)
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window.ui = ui
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fetch(resolveUrl('./initOAuth').replace('static/initOAuth', 'initOAuth'))
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.then(res => res.json())
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.then((config) => {
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ui.initOAuth(config);
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});
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}
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// End Swagger UI call region
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resolveConfig(buildUi);
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}
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</script>
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`)
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fse.writeFileSync(resolve('./static/index.html'), newIndex)
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const sha = {
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script: [],
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style: []
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}
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function computeCSPHashes (path) {
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const scriptRegex = /<script>(.*)<\/script>/gs
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const styleRegex = /<style>(.*)<\/style>/gs
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const indexSrc = fs.readFileSync(resolve(path)).toString('utf8')
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let result = scriptRegex.exec(indexSrc)
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while (result !== null) {
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const hash = crypto.createHash('sha256')
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hash.update(result[1])
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sha.script.push(`'sha256-${hash.digest().toString('base64')}'`)
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result = scriptRegex.exec(indexSrc)
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}
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result = styleRegex.exec(indexSrc)
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while (result !== null) {
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const hash = crypto.createHash('sha256')
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hash.update(result[1])
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sha.style.push(`'sha256-${hash.digest().toString('base64')}'`)
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result = styleRegex.exec(indexSrc)
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}
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}
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computeCSPHashes('./static/index.html')
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computeCSPHashes('./static/oauth2-redirect.html')
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fse.writeFileSync(resolve('./static/csp.json'), JSON.stringify(sha))
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