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7 results

index.test.js

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  • index.js 3.72 KiB
    
    module.exports = function(options) {
      return function(req, res, next) {
        if(!options) options = {}
    
        if (typeof options.CacheControl === 'undefined') {
          options.CacheControl = 'no-cache, no-store, must-revalidate'
        }
        if (options.CacheControl !== false) {
          res.set('Cache-Control', options.CacheControl)
        }
    
        if (typeof options.Pragma === 'undefined') {
          options.Pragma = 'no-cache'
        }
        if (options.Pragma !== false) {
          res.set('Pragma', options.Pragma)
        }
    
        if (typeof options.Expires === 'undefined') {
          options.Expires = '0'
        }
        if (options.Expires !== false) {
          res.set('Expires', options.Expires)
        }
    
        if (typeof options.ContentSecurityPolicy === 'undefined') {
          options.ContentSecurityPolicy = 'default-src \'self\'; frame-ancestors \'none\''
        }
        if (options.ContentSecurityPolicy !== false) {
          res.set('Content-Security-Policy', options.ContentSecurityPolicy )
        }
    
        if (typeof options.XXSSProtection === 'undefined') {
          options.XXSSProtection = '1; mode=block'
        }
        if (options.XXSSProtection !== false) {
          res.set('X-XSS-Protection', options.XXSSProtection)
        }
    
        if (typeof options.XDNSPrefetchControl === 'undefined') {
          options.XDNSPrefetchControl = 'off'
        }
        if (options.XDNSPrefetchControl !== false) {
          res.set('X-DNS-Prefetch-Control', options.XDNSPrefetchControl)
        }
    
        if (typeof options.ExpectCT === 'undefined') {
          options.ExpectCT = 'enforce; max-age=30; report-uri="/_report"'
        }
        if (options.ExpectCT !== false) {
          res.set('Expect-CT', options.ExpectCT)
        }
    
        if (typeof options.XFrameOptions === 'undefined') {
          options.XFrameOptions = 'deny'
        }
        if (options.XFrameOptions !== false) {
          res.set('X-Frame-Options', options.XFrameOptions)
        }
    
        if (typeof options.XPoweredBy === 'undefined') {
          options.XPoweredBy = true
        }
        if (options.XPoweredBy !== false) {
          res.removeHeader('X-Powered-By')
        }
    
        if (typeof options.StrictTransportSecurity === 'undefined') {
          options.StrictTransportSecurity = 'max-age=30'
        }
        if (options.StrictTransportSecurity !== false) {
          res.set('Strict-Transport-Security', options.StrictTransportSecurity)
        }
    
        if (typeof options.XDownloadOptions === 'undefined') {
          options.XDownloadOptions = 'noopen'
        }
        if (options.XDownloadOptions !== false) {
          res.set('X-Download-Options', options.XDownloadOptions)
        }
    
        if (typeof options.XContentTypeOptions === 'undefined') {
          options.XContentTypeOptions = 'nosniff'
        }
        if (options.XContentTypeOptions !== false) {
          res.set('X-Content-Type-Options', options.XContentTypeOptions )
        }
    
        if (typeof options.XPermittedCrossDomainPolicies === 'undefined') {
          options.XPermittedCrossDomainPolicies = 'none'
        }
        if (options.XPermittedCrossDomainPolicies !== false) {
          res.set('X-Permitted-Cross-Domain-Policies', options.XPermittedCrossDomainPolicies)
        }
    
        if (typeof options.ReferrerPolicy === 'undefined') {
          options.ReferrerPolicy = 'no-referrer'
        }
        if (options.ReferrerPolicy !== false) {
          res.set('Referrer-Policy', options.ReferrerPolicy)
        }
    
    
        if (typeof options.allowedMethods === 'undefined') {
          options.allowedMethods = ['GET', 'POST', 'PUT', 'DELETE']
        }
        if (!options.allowedMethods.includes(req.method)) {
          res.status(405).end()
        }
    
        if (typeof options.onlyDefinedRoutes === 'undefined') {
          options.onlyDefinedRoutes = false
        }
        if (options.onlyDefinedRoutes) {
          if (!options.definedRoutes) {
            options.definedRoutes = []
          }
    
          if (!options.definedRoutes.includes(req.originalUrl)) {
            res.status(405).end()
          }
        }
    
        next()
      }
    }