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This repository was archived by the owner on Feb 12, 2024. It is now read-only.
# Tutorial - Transfer files between the browser and other IPFS nodes
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# Exchange files between the browser and other IPFS nodes
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> Welcome! This tutorial will help you exchange files between browser nodes and go-ipfs nodes.
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This tutorial will help you exchange files between browser nodes and go-ipfs or js-ipfs nodes!
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caveat: js-ipfs currently doesn't support DHT peer discovery, the peer from which you are fetching data should be within the reach (local or in public IP) of the browser node.
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**Note:**`js-ipfs` currently doesn't support DHT peer discovery, so the peer from which you are fetching data should be within the reach (local or in public IP) of the browser node.
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That being said, we will explain throughout this tutorial to circunvent the caveats and once they are fixed, we will update the tutorial as well.
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That being said, we will explain how to circumvent these caveats and once they are fixed, we'll update the tutorial as well.
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## Application diagram
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The goal of this tutorial is to create a application with a IPFS node that dials to other instances of it using WebRTC, and at the same time dial and transfer files from a Desktop IPFS node using WebSockets as the transport.
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The goal of this tutorial is to create a simple application with an IPFS node that dials to other instances using WebRTC, and at the same time dial and transfer files from a browser IPFS node using WebSockets as the transport.
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```
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┌──────────────┐ ┌──────────────┐
@@ -23,59 +23,57 @@ The goal of this tutorial is to create a application with a IPFS node that dials
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└──────────────┘
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```
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## Check out the final state
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## Tutorial goal
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In the end, you should get an app running, something like this:
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The goal of this tutorial is for you to have something like this in the end:
-4. Dial to a node using WebSockets (your Desktop ones)
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-5. Transfer files between all of your nodes, have fun!
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1.Install a `go-ipfs` or `js-ipfs` node in your machine
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2. Make your daemons listen on WebSockets
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3. Start the app
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4. Dial to a node using WebSockets (your desktop ones)
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5. Transfer files between all of your nodes!
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Let's go.
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Just follow the instructions below and it will be up and running in no time!
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### 1. Set up
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### 1. Install `go-ipfs` or `js-ipfs`
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You'll need to have an implementation of IPFS running on your machine. Currently, this means either go-ipfs or js-ipfs.
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If you already have `go-ipfs` or `js-ipfs` installed in your machine, you can skip this step. Otherwise, read on.
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Installing go-ipfs can be done by installing the binary [here](https://ipfs.io/ipns/dist.ipfs.io/#go-ipfs). Alternatively, you could follow the instructions in the README at [ipfs/go-ipfs](https://github.com/ipfs/go-ipfs).
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This tutorial works with either `go-ipfs` or `js-ipfs`, so you can install one of your choosing.
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Installing js-ipfs requires you to have node and [npm](https://www.npmjs.com). Then, you simply run:
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`go-ipfs` can be installed via its binary [here](https://ipfs.io/ipns/dist.ipfs.io/#go-ipfs). Alternatively, you can follow the install instructions in [ipfs/go-ipfs](https://github.com/ipfs/go-ipfs#install).
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`js-ipfs` requires you to have [node and npm](https://www.npmjs.com/get-npm) installed. Then, you simply run:
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```sh
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> npm install --global ipfs
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...
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> jsipfs --help
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Commands:
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...
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```
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This will alias `jsipfs` on your machine; this is to avoid issues with `go-ipfs` being called `ipfs`.
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At this point, you have either js-ipfs or go-ipfs running. Now, initialize it:
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At this point, you should have either `js-ipfs` or `go-ipfs` running. Now, initialize it:
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```sh
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> ipfs init
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# or
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> jsipfs init
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```
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This will set up your IPFS repo in your home directory.
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This will set up an IPFS repo in your home directory.
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### 2. Make your daemons listen on WebSockets
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At this point, you need to edit your `config` file, the one you just set up with `{js}ipfs init`. It should be in either `~/.jsipfs/config` or `~/.ipfs/config`, depending on whether you're using JS or Go.
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Now you need to edit your `config` file, the one you just set up with `{js}ipfs init`. It should be in either `~/.jsipfs/config` or `~/.ipfs/config`, depending on whether you're using JS or Go.
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Note:js-ipfs sets up a websocket listener by default, if you are just using js-ipfs you can skip this test.
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**Note:**`js-ipfs` sets up a websocket listener by default, so if you're using the JS implementation you can skip this and just start the daemon.
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Since websockets support is currently not on by default, you'll need to add a WebSockets address manually. Look into your config file and find the `Addresses` section:
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Since websockets support is currently not on by default, you'll need to add a WebSockets address manually. Look into your config file to find the `Addresses` section:
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```json
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"Addresses": {
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}
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```
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Add the following entry to your `Swarm` array: `/ip4/127.0.0.1/tcp/9999/ws`. Now, it should look like this:
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Add the `/ip4/127.0.0.1/tcp/9999/ws` entry to your `Swarm` array. Now it should look like this:
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```json
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"Addresses": {
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}
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```
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Now it should listen on Websockets. We're ready to start the daemon.
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Save the file and it should be able to listen on Websockets. We're ready to start the daemon.
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```sh
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> ipfs daemon
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# or
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> jsipfs daemon
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```
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(Again, either `jsipfs` or `ipfs` works. I'll stop repeting this from here on out.)
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You should see the Websocket address in the output:
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```sh
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Daemon is ready
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```
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It's there in line 5 - see the `/ws`? Good. that means it is listening.
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Check the `/ws` in line 5, that means it is listening. Cool.
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### 3. Start the app
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### 3. Start the WebApp project
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Make sure you're in `js-ipfs/examples/exchange-files-in-browser`.
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Now, you'll need to make sure you are in `js-ipfs/examples/exchange-files-in-browser`. You'll see a `package.json`: this manifest holds the information for which packages you'll need to install to run the webapp. Let's install them, and then start the project:
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We'll need to install and bundle the dependencies to run the app. Let's do it:
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```sh
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> npm install
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...
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> npm run bundle
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...
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> npm start
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```
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You should see this text:
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You should see something like this if all went well:
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```sh
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Starting up http-server, serving public
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Available on:
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http://127.0.0.1:12345
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http://192.168.1.24:12345
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http://192.168.2.92:12345
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Hit CTRL-C to stop the server
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```
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Go to http://127.0.0.1:12345 in your browser; you're now in the webapp, if all went well.
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Now go to http://127.0.0.1:12345 in a modern browser and you're on!
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### 4. Dial to a node using WebSockets (your desktop ones)
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Make sure you have a daemon running. If you don't, run:
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```sh
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> ipfs daemon
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# or
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> jsipfs daemon
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```
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Open another terminal window to find the websocket addresses that it is listening on:
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```sh
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> ipfs id
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# or
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> jsipfs id
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```
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It should look like this: `/ip4/127.0.0.1/tcp/9999/ws/ipfs/<your_peer_id>`.
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### 4. Dial to a node using WebSockets (your Desktop ones)
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Copy and paste the *multiaddr* to connect to that peer:
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On your terminal, run `ipfs id` to find the WebSockets address that it is listening on. Should look like this: `"/ip4/127.0.0.1/tcp/4003/ws/ipfs/<your peer id>". Important, your node must be running in order to have listeners, to do so, run in another tab of your terminal: `ipfs daemon`.
### 5. Transfer files between all of your nodes, have fun!
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Copy and paste the *multihash* and fetch the file in the browser!
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Now you can drag an drop files on the browser or add them through the CLI with `ipfs add <file>` and with the fetch file box, you can retrieve the file to the browser or other browser tabs!
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