openapi2apigeeck2
Version:
A tool that converts openapi yaml file to Apigee API Proxy Bundle
280 lines (244 loc) • 12 kB
JavaScript
/**
Copyright 2022 Google LLC
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
var fs = require('fs')
var path = require('path')
var mkdirp = require('mkdirp')
var assign = require('lodash.assign')
var serviceUtils = require('../../util/service.js')
var quota = require('../../policy_templates/quota/quota.js')
var spike = require('../../policy_templates/spikeArrest/spikeArrest.js')
var cache = require('../../policy_templates/cache/responseCache.js')
var cors = require('../../policy_templates/cors/cors.js')
var headers = require('../../policy_templates/headers/headers.js')
var regex = require('../../policy_templates/regex-protection/regex.js')
var extractVars = require('../../policy_templates/vars/extract-vars.js')
var validations = require('../../policy_templates/validations/valid.js')
var raiseFault = require('../../policy_templates/raise-fault/raise.js')
var verifyApiKey = require('../../policy_templates/security/apikey.js')
var verifyBasicAuth = require('../../policy_templates/security/basicAuth.js')
var genetateFc= require('../../policy_templates/sf/fc.js')
var genetateKvm= require('../../policy_templates/kvm/kvm.js')
var oauth2 = require('../../policy_templates/security/verifyAccessToken.js')
var removeHeaderAuthorization = require('../../policy_templates/security/removeHeaderAuthorization.js')
var async = require('async')
module.exports = function generatePolicies (apiProxy, options, api, cb) {
var destination = options.destination || path.join(__dirname, '../../../api_bundles')
if (destination.substr(-1) === '/') {
destination = destination.substr(0, destination.length - 1)
}
var rootDirectory = destination + '/' + apiProxy + '/apiproxy'
var validationCount = 0
var services = serviceUtils.servicesToArray(api)
if (options.oauth === 'true') {
var xmlStrings = []
var xmlString = ''
// Add cache Policies
xmlString = oauth2.verifyAccessTokenGenTemplate([], 'verifyAccessToken')
xmlStrings.push({ xmlString: xmlString, serviceName: 'verifyAccessToken' })
xmlString = removeHeaderAuthorization.removeHeaderAuthorizationGenTemplate([], 'removeHeaderAuthorization')
xmlStrings.push({ xmlString: xmlString, serviceName: 'removeHeaderAuthorization' })
var writeCnt = 0
xmlStrings.forEach(function writeFile (xmlString) {
fs.writeFile(rootDirectory + '/policies/' + xmlString.serviceName + '.xml', xmlString.xmlString, function (err) {
if (err) {
throw new Error()
}
writeCnt++
if (writeCnt === xmlStrings.length) {
// cb(null, {})
}
})
})
}
async.each(services, function (service, callback) {
// Perform operation on file here.
var xmlStrings = []
var serviceName = service.name
var provider = service.provider
var serviceOptions = service.options
var xmlString = ''
console.log('service name', serviceName)
if (provider.indexOf('quota') > -1) {
// Add Quota Policy
xmlString = quota.quotaGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('spike') > -1) {
// Add spike Policy
xmlString = spike.spikeArrestGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('cache') > -1) {
// Add cache Policies
xmlString = cache.responseCacheGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('cors') > -1) {
// Add cors Policies
xmlString = cors.corsGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('headers') > -1) {
// Add header Policies
xmlString = headers.headersGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('regex') > -1) {
// Add regex Policies
xmlString = regex.regexGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
// filter
mkdirp.sync(rootDirectory + '/resources/jsc')
var js = path.join(__dirname, '../../resource_templates/jsc/JavaScriptFilter.js')
fs.createReadStream(js).pipe(fs.createWriteStream(rootDirectory + '/resources/jsc/' + serviceName + '.js'))
// regex
var qs = path.join(__dirname, '../../../third_party/querystringDecode.js')
fs.createReadStream(qs).pipe(fs.createWriteStream(rootDirectory + '/resources/jsc/' + serviceName + '-querystring.js'))
var x = regex.regularExpressions()
var wstream = fs.createWriteStream(rootDirectory + '/resources/jsc/regex.js')
wstream.write(new Buffer('var elements = ' + JSON.stringify(x) + ';'))
wstream.end()
}
if (provider.indexOf('raiseFault') > -1) {
// Add RaiseFault Policy
xmlString = raiseFault.raiseFaultGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('input-validation') > -1) {
assign(serviceOptions, { resourceUrl: 'jsc://input-validation.js' })
xmlString = validations.validationsGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
var extractVarsOptions = {
name: 'Extract-Path-Parameters',
displayName: 'Extract Path Parameters',
api: api
}
xmlString = extractVars.extractVarsGenTemplate(extractVarsOptions, extractVarsOptions.name)
xmlStrings.push({ xmlString: xmlString, serviceName: 'extractPathParameters' })
}
if (provider.indexOf('output-validation') > -1) {
assign(serviceOptions, { resourceUrl: 'jsc://schema-validation.js' })
xmlString = validations.validationsGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (validationCount === 0 && (provider.indexOf('input-validation') > -1 || provider.indexOf('output-validation') > -1)) {
validationCount++ // Only do this once.
mkdirp.sync(rootDirectory + '/resources/jsc')
// output validation
var bu = path.join(__dirname, '../../resource_templates/jsc/bundle-policify.js')
fs.createReadStream(bu).pipe(fs.createWriteStream(rootDirectory + '/resources/jsc/bundle-policify.js'))
js = path.join(__dirname, '../../resource_templates/jsc/SchemaValidation.js')
fs.createReadStream(js).pipe(fs.createWriteStream(rootDirectory + '/resources/jsc/schema-validation.js'))
// var ru = path.join(__dirname, '../../resource_templates/jsc/Regex.js');
// fs.createReadStream(ru).pipe(fs.createWriteStream(rootDirectory + '/resources/jsc/regex-utils.js'));
// input validation
js = path.join(__dirname, '../../resource_templates/jsc/InputValidation.js')
fs.createReadStream(js).pipe(fs.createWriteStream(rootDirectory + '/resources/jsc/input-validation.js'))
// api
x = validations.validationsSchemas(api)
wstream = fs.createWriteStream(rootDirectory + '/resources/jsc/api.js')
wstream.write(new Buffer('var api = ' + JSON.stringify(x) + ';'))
wstream.end()
}
if (provider.indexOf('raiseInputValidationFault') > -1) {
// Add RaiseFault Policy
xmlString = raiseFault.raiseFaultGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('raiseOutputValidationFault') > -1) {
// Add RaiseFault Policy
xmlString = raiseFault.raiseFaultGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('oauth') > -1) {
// Add cache Policies
// && (serviceName === 'apiKeyQuery' || serviceName === 'apiKeyHeader')
xmlString = verifyApiKey.apiKeyGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('basicAuth') > -1) {
// Add cache Policies
// && (serviceName === 'apiKeyQuery' || serviceName === 'apiKeyHeader')
xmlString = verifyBasicAuth.basicKeyGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('FC-') > -1) {
// Add cache Policies
// && (serviceName === 'apiKeyQuery' || serviceName === 'apiKeyHeader')
xmlString = genetateFc.basicSfGenTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
// if (provider.indexOf('404-') > -1) {
// Add cache Policies
// && (serviceName === 'apiKeyQuery' || serviceName === 'apiKeyHeader')
if (provider.indexOf('KVM-') !=0) {
//FC-MethodNotAlloed
var serviceName='FC-405MethodNotAllowed'
xmlString = genetateFc.basicSfGenTemplate(serviceName, serviceName)
console.log ('----',xmlString)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
//404
var serviceName='FC-404NotFound'
xmlString = genetateFc.basicSfGenTemplate(serviceName, serviceName)
console.log ('----',xmlString)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
//FC-handle excpetions
var serviceName='FC-FaultHandling'
xmlString = genetateFc.basicSfGenTemplate(serviceName, serviceName)
console.log ('----',xmlString)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
//LogError
var serviceName='FC-LogError'
xmlString = genetateFc.basicSfGenTemplate(serviceName, serviceName)
console.log ('----',xmlString)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
///messsagelogging
var serviceName='FC-MessageLogging'
xmlString = genetateFc.basicSfGenTemplate(serviceName, serviceName)
console.log ('----',xmlString)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
// }
}
if (provider.indexOf('KVM-') > -1) {
console.log("inside kvm")
// && (serviceName === 'apiKeyQuery' || serviceName === 'apiKeyHeader')
xmlString = genetateKvm.basicKvmTemplate(serviceOptions, serviceName)
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
if (provider.indexOf('oauth') > -1 && (serviceName === 'oauth2')) {
// Add cache Policies
xmlString = oauth2.verifyAccessTokenGenTemplate(serviceOptions, 'verifyAccessToken')
xmlStrings.push({ xmlString: xmlString, serviceName: serviceName })
}
var writeCnt = 0
xmlStrings.forEach(function writeFile (xmlString) {
fs.writeFile(rootDirectory + '/policies/' + xmlString.serviceName + '.xml', xmlString.xmlString, function (err) {
if (err) {
callback(err, {})
}
writeCnt++
if (writeCnt === xmlStrings.length) {
callback(null, {})
}
})
})
}
, function (err) {
// if any of the file processing produced an error, err would equal that error
if (err) {
cb(err, {})
} else {
cb(null, {})
}
})
}