diff --git a/src/fetcher.js b/src/fetcher.js
new file mode 100644
index 0000000..7494320
--- /dev/null
+++ b/src/fetcher.js
@@ -0,0 +1,74 @@
+// Forked from https://github.com/ipfs/ipfs-service-worker which does not work with recent versions
+// of js-ipfs.
+
+/* global self, Response */
+
+'use strict'
+
+const IPFS = require('ipfs')
+let node
+
+// https://redfin.engineering/how-to-fix-the-refresh-button-when-using-service-workers-a8e27af6df68
+self.skipWaiting()
+
+self.addEventListener('install', (event) => {
+    console.log('install step')
+
+    event.waitUntil(self.skipWaiting())
+})
+
+self.addEventListener('activate', (event) => {
+    console.log('activate step')
+
+    event.waitUntil(self.clients.claim())
+})
+
+function initialize_ipfs() {
+    return new Promise((resolve, reject) => {
+        node = new IPFS()
+
+        node.on('ready', () => {
+            console.log('js-ipfs node is ready')
+            resolve()
+        })
+        node.on('error', (err) => {
+            console.log('js-ipfs node errored', err)
+            reject(err)
+        })
+    })
+}
+
+let ipfs_initialized
+
+self.addEventListener('fetch', (event) => {
+    if (!event.request.url.startsWith(self.location.origin + '/ipfs')) {
+        return console.log('Fetch not in scope:', event.request.url)
+    }
+
+    console.log('Handling fetch event:', event.request.url)
+
+    const headers = {
+        status: 200,
+        statusText: 'OK',
+        headers: {}
+    }
+
+    if (!ipfs_initialized) {
+        ipfs_initialized = initialize_ipfs()
+    }
+
+    event.respondWith(
+        ipfs_initialized.then(function() {
+            const url = new URL(event.request.url)
+            const multihash = url.pathname
+            return node.files.cat(multihash)
+        }).then(function (contents_buffer) {
+            return new Promise((resolve, reject) => {
+                const response = new Response(contents_buffer, headers)
+
+                resolve(response)
+            })
+        })
+    )
+})
+