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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| const url = require('url') | ||
| const { reporter } = require('@dhis2/cli-helpers-engine') | ||
| const httpProxy = require('http-proxy') | ||
|
|
||
| const stripCookieSecure = cookie => { | ||
| return cookie | ||
| .split(';') | ||
| .filter(v => v.trim().toLowerCase() !== 'secure') | ||
| .join('; ') | ||
| } | ||
|
|
||
| const rewriteLocation = ({ location, target, baseUrl }) => { | ||
| const parsedLocation = url.parse(location) | ||
| const parsedTarget = url.parse(target) | ||
| const parsedBaseUrl = url.parse(baseUrl) | ||
|
|
||
| if ( | ||
| parsedLocation.host === parsedTarget.host && | ||
| parsedLocation.pathname.startsWith(parsedTarget.pathname) | ||
| ) { | ||
| return url.format({ | ||
| ...parsedBaseUrl, | ||
| pathname: parsedLocation.pathname.replace( | ||
| parsedTarget.pathname, | ||
| '' | ||
| ), | ||
| search: parsedLocation.search, | ||
| }) | ||
| } | ||
| return location | ||
| } | ||
|
|
||
| exports = module.exports = ({ target, baseUrl, port, shellPort }) => { | ||
| const proxyServer = httpProxy.createProxyServer({ | ||
| target, | ||
| changeOrigin: true, | ||
| secure: false, | ||
| protocolRewrite: 'http', | ||
| cookieDomainRewrite: '', | ||
| cookiePathRewrite: '/', | ||
| }) | ||
|
|
||
| proxyServer.on('proxyRes', (proxyRes, req, res) => { | ||
| if (proxyRes.headers['access-control-allow-origin']) { | ||
| res.setHeader( | ||
| 'access-control-allow-origin', | ||
| `http://localhost:${shellPort}` | ||
| ) | ||
| } | ||
|
|
||
| if (proxyRes.headers.location) { | ||
| proxyRes.headers.location = rewriteLocation({ | ||
| location: proxyRes.headers.location, | ||
| target, | ||
| baseUrl, | ||
| }) | ||
| } | ||
|
|
||
| const sc = proxyRes.headers['set-cookie'] | ||
| if (Array.isArray(sc)) { | ||
| proxyRes.headers['set-cookie'] = sc.map(stripCookieSecure) | ||
| } | ||
| }) | ||
|
|
||
| proxyServer.on('error', error => { | ||
| reporter.warn(error) | ||
| }) | ||
|
|
||
| proxyServer.listen(port) | ||
| } | ||
|
|
||
| exports.rewriteLocation = rewriteLocation |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| const { rewriteLocation } = require('./proxy') | ||
|
|
||
| describe('rewriteLocation', () => { | ||
| it('rewrites locations if they match the proxy target', () => { | ||
| const baseUrl = 'http://localhost:8080' | ||
|
|
||
| expect( | ||
| rewriteLocation({ | ||
| location: 'https://play.dhis2.org/dev/login.action', | ||
| target: 'https://play.dhis2.org/dev', | ||
| baseUrl, | ||
| }) | ||
| ).toBe(`${baseUrl}/login.action`) | ||
|
|
||
| expect( | ||
| rewriteLocation({ | ||
| location: 'https://play.dhis2.org/dev/page?param=value', | ||
| target: 'https://play.dhis2.org/dev', | ||
| baseUrl, | ||
| }) | ||
| ).toBe(`${baseUrl}/page?param=value`) | ||
| }) | ||
|
|
||
| it('does not rewrite locations if they do not match the proxy target', () => { | ||
| ;[ | ||
| { | ||
| location: 'https://example.com/path', | ||
| target: 'https://play.dhis2.org/dev', | ||
| baseUrl: 'http://localhost:8080', | ||
| }, | ||
| { | ||
| location: 'https://play.dhis2.org/2.35dev', | ||
| target: 'https://play.dhis2.org/dev', | ||
| baseUrl: 'http://localhost:8080', | ||
| }, | ||
| { | ||
| location: 'http://server.com:1234', | ||
| target: 'http://server.com:5678', | ||
| baseUrl: 'http://localhost:8080', | ||
| }, | ||
| ].forEach(args => { | ||
| expect(rewriteLocation(args)).toBe(args.location) | ||
| }) | ||
| }) | ||
| }) |
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