feat(http): set default headers for browsers

package.json

@@ -10,9 +10,12 @@
     "libp2p-ipfs": "libp2p-ipfs-browser",
     "./src/core/default-repo.js": "./src/core/default-repo-browser.js",
     "./src/core/components/init-assets.js": false,
-    "fs-pull-blob-store": false,
-    "glob": false,
-    "rimraf": false
+    "./test/utils/temp-repo.js": "./test/utils/temp-repo-browser.js",
+    "stream": "readable-stream"
+  },
+  "engines": {
+    "node": ">=4.0.0",
+    "npm": ">=3.0.0"
   },
   "scripts": {
     "lint": "aegir-lint",
@@ -74,6 +77,7 @@
     "fs-pull-blob-store": "^0.3.0",
     "glob": "^7.1.1",
     "hapi": "^15.2.0",
+    "hapi-set-header": "^1.0.2",
     "idb-pull-blob-store": "^0.5.1",
     "ipfs-api": "^11.1.0",
     "ipfs-bitswap": "^0.8.1",
@@ -110,6 +114,7 @@
     "pull-stream-to-stream": "^1.3.3",
     "pull-zip": "^2.0.1",
     "read-pkg-up": "^2.0.0",
+    "readable-stream": "^1.1.14",
     "stream-to-pull-stream": "^1.7.2",
     "tar-stream": "^1.5.2",
     "temp": "^0.8.3",

src/http-api/index.js

@@ -8,6 +8,7 @@ const path = require('path')
 const IPFSRepo = require('ipfs-repo')
 const multiaddr = require('multiaddr')
 const Store = require('fs-pull-blob-store')
+const setHeader = require('hapi-set-header')
 
 const log = debug('api')
 log.error = debug('api:error')
@@ -52,6 +53,7 @@ exports = module.exports = function HttpApi (repo) {
             }
           }
         })
+
         this.server.app.ipfs = this.ipfs
         const api = config.Addresses.API.split('/')
         const gateway = config.Addresses.Gateway.split('/')
@@ -75,6 +77,10 @@ exports = module.exports = function HttpApi (repo) {
         // load routes
         require('./routes')(this.server)
 
+        // Set default headers
+        setHeader(this.server, 'Access-Control-Allow-Headers', 'X-Stream-Output, X-Chunked-Output, X-Content-Length')
+        setHeader(this.server, 'Access-Control-Expose-Headers', 'X-Stream-Output, X-Chunked-Output, X-Content-Length')
+
         this.ipfs.goOnline(() => {
           this.server.start((err) => {
             if (err) {