feat: resolution of .eth names via .eth.link (#2373)

.eth TLD is not recognised by mainstream DNS, however ENS provides DNS compatibility service at .eth.link This change enables resolution of ENS names ending with .eth on systems that have regular DNS set up More context at the go-ipfs counterpart: ipfs/kubo#6448 License: MIT Signed-off-by: Marcin Rataj <[email protected]>
ipfs · Aug 21, 2019 · 7e02140 · 7e02140
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commit 7e02140
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diff --git a/src/core/components/dns.js b/src/core/components/dns.js
@@ -4,6 +4,15 @@
 const dns = require('../runtime/dns-nodejs')
 const promisify = require('promisify-es6')
 
+function fqdnFixups (domain) {
+  // Allow resolution of .eth names via .eth.link
+  // More context at the go-ipfs counterpart: https://github.com/ipfs/go-ipfs/pull/6448
+  if (domain.endsWith('.eth')) {
+    domain = domain.replace(/.eth$/, '.eth.link')
+  }
+  return domain
+}
+
 module.exports = () => {
   return promisify((domain, opts, callback) => {
     if (typeof domain !== 'string') {
@@ -16,6 +25,7 @@ module.exports = () => {
     }
 
     opts = opts || {}
+    domain = fqdnFixups(domain)
 
     dns(domain, opts, callback)
   })

diff --git a/test/http-api/inject/dns.js b/test/http-api/inject/dns.js
@@ -11,13 +11,22 @@ module.exports = (http) => {
       api = http.api._httpApi._apiServers[0]
     })
 
-    it('resolve ipfs.io dns', async () => {
+    it('resolve ipfs.io DNS', async () => {
       const res = await api.inject({
         method: 'GET',
         url: '/api/v0/dns?arg=ipfs.io'
       })
 
       expect(res.result).to.have.property('Path')
     })
+
+    it('resolve ipfs.enstest.eth ENS', async () => {
+      const res = await api.inject({
+        method: 'GET',
+        url: '/api/v0/dns?arg=ipfs.enstest.eth'
+      })
+
+      expect(res.result).to.have.property('Path')
+    })
   })
 }