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Merge pull request #132 from jason-fox/feature/body
Refactoring to support multiple PDP endpoints.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| #!/usr/bin/env node | ||
| const cors = require('cors'); | ||
| const config_service = require('./lib/config_service'); | ||
|
|
||
| const fs = require('fs'); | ||
| const https = require('https'); | ||
| const errorhandler = require('errorhandler'); | ||
|
|
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| const logger = require('morgan'); | ||
| const debug = require('debug')('pep-proxy:app'); | ||
| const express = require('express'); | ||
|
|
||
| process.on('uncaughtException', function (err) { | ||
| debug('Caught exception: ' + err); | ||
| }); | ||
| process.env.NODE_TLS_REJECT_UNAUTHORIZED = '0'; | ||
|
|
||
| /** | ||
| * Start the express server to listen to all requests. Whitelisted public paths are | ||
| * proxied directly, all other requests are restricted access and must either: | ||
| * | ||
| * - hold a bearer token from an authenticated user | ||
| * - hold a bearer token and the user must be authorized to perform the action | ||
| * | ||
| * @param an auth token representing the PEP | ||
| * @param the configuration to use within the app | ||
| * | ||
| * @return a running express server | ||
| */ | ||
| exports.start_server = function (token, config) { | ||
| config_service.set_config(config, true); | ||
| const Root = require('./controllers/root'); | ||
| const Payload = require('./lib/payload_analyse'); | ||
| const Authorize = require('./lib/authorization_functions'); | ||
| const app = express(); | ||
| let server; | ||
|
|
||
| // Set logs in development | ||
| if (config.debug) { | ||
| app.use(logger('dev')); | ||
| } | ||
|
|
||
| app.use(function (req, res, next) { | ||
| const bodyChunks = []; | ||
| req.on('data', function (chunk) { | ||
| bodyChunks.push(chunk); | ||
| }); | ||
|
|
||
| req.on('end', function () { | ||
| if (bodyChunks.length > 0) { | ||
| req.body = Buffer.concat(bodyChunks); | ||
| } | ||
| next(); | ||
| }); | ||
| }); | ||
|
|
||
| app.disable('x-powered-by'); | ||
| app.use(errorhandler({ log: debug })); | ||
| app.use(cors(config.cors)); | ||
|
|
||
| let port = config.pep_port || 80; | ||
| if (config.https.enabled) { | ||
| port = config.https.port || 443; | ||
| } | ||
| app.set('port', port); | ||
| app.set('pepToken', token); | ||
| app.set('trust proxy', '127.0.0.1'); | ||
|
|
||
| // The auth mode (authorize or authenticate only) and PDP to adjudicate | ||
| // are set in the config. | ||
| debug( | ||
| 'Starting PEP proxy on port ' + | ||
| port + | ||
| (config.authorization.enabled | ||
| ? '. PDP authorization via ' + config.authorization.pdp | ||
| : '. User authentication via IDM') | ||
| ); | ||
|
|
||
| for (const p in config.public_paths) { | ||
| debug('Public paths', config.public_paths[p]); | ||
| app.all(config.public_paths[p], Root.open_access); | ||
| } | ||
|
|
||
| if (Authorize.checkPayload()) { | ||
| // Oddity for Subscriptions | ||
| app.post('/*/subscriptions', Payload.subscription, Root.restricted_access); | ||
| app.patch('/*/subscriptions/*', Payload.subscription, Root.restricted_access); | ||
| // Oddity for NGSI-v2 | ||
| app.all('/*/op/*', Payload.v2batch, Root.restricted_access); | ||
| app.use(Payload.query); | ||
| app.use(Payload.body); | ||
| app.all('/*/entities/:id', Payload.params, Root.restricted_access); | ||
| app.all('/*/entities/:id/attrs', Payload.params, Root.restricted_access); | ||
| app.all('/*/entities/:id/attrs/:attr', Payload.params, Root.restricted_access); | ||
| } | ||
|
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| app.all('/*', Root.restricted_access); | ||
|
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| if (config.https.enabled === true) { | ||
| const options = { | ||
| key: fs.readFileSync(config.https.key_file), | ||
| cert: fs.readFileSync(config.https.cert_file) | ||
| }; | ||
|
|
||
| server = https | ||
| .createServer(options, function (req, res) { | ||
| app.handle(req, res); | ||
| }) | ||
| .listen(app.get('port')); | ||
| } else { | ||
| server = app.listen(app.get('port')); | ||
| } | ||
| return server; | ||
| }; |
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