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When you create a Fission Account, whether signing up on the web or using the command line as a developer, it creates a username and email address in our service database, and also a private / public key pair representing that account.
We also create a Fission Web Native File System (WNFS) attached to your account, and given you access to Fission Drive, which lets you browse all your files, access them from any browser, and see which apps are attached to your file system.
We verify your email address, and can use that to help manage aspects of your service with us. You hold access to the keys connected to your account, and sign in happens automatically.
We encourage you to "link" your account to multiple devices -- your desktop and your phone, your home and your work computers, and so on. These devices can then be used to login, or link more accounts. You can read more about Account Linking »
Each device gets their own private key using the WebCrypto API built into modern browsers. Private keys shouldn't be copied around, so instead, we link keys indicating they have access to the same account.
There is no "sign out" for a Fission-powered app. You use your key to do a passwordless login, stored in your local desktop browser, mobile web browser, or your local desktop file system with the command line developer tool.
While your device is linked with a key, Fission apps will check that you have a key with the proper permission, and will just let you right in, without having to remember a password or even a username.
This is like your smartphone: only a single user is "logged in" to their personal phone, and they aren't shared.
A Fission app is more like an app that you download on your phone. When you don't want the app anymore, you delete it.
If you want it again in the future, you download it again, by giving permission to the app store to install it. You then might give permission to access other parts of your phone, like the camera or GPS.
We don't delete the data that the app stored for you, since it's stored in your own Fission File System -- just like data is stored on your phone.
As part of signing into an app, an app will ask for certain permissions. Right now, these are mostly related to access to your file system.
By default, every app needs access to an App Folder. You'll need to at least grant access to an App Folder for the app to function correctly.
Instead of signing out, you may want to revoke -- or delete -- an app's access to your account.
You can even revoke access to the default Drive app, but we'll ask you to make an extra confirmation. You'll need to use another tool or developer API access to manage your Fission File System attached to your account.
Browsers and desktop computers aren't smartphones, and they do get shared. You can unlink a device -- remove your key -- by visiting the Fission Auth page.
You may create multiple Fission accounts, but you'll need a unique email address and username for each one. You'll also need to use Browser Profiles to be able to access them at the same time on the same machine, as the keys that grant access are stored in the browser.
Fission powers next generation app publishing.
For developers, they can design a user app using only front end and design skills. The web native app can be installed by 10 or 10,000 users, just like mobile or desktop software. Because the app is running on the user's computer, you can focus on finding new users and adding new features, rather than having to learn DevOps or server scaling.
People using apps create a secure identity in their browsers. Every Fission account is linked to a file system, available in any browser. Much like an open source iCloud, users give permissions to apps, and can access their files from anywhere. Users can browse their file system, both public and private, and mix and match which apps they use, just like they're used to with mobile and desktop apps.
Get started by installing the Fission CLI »
Learn more about Fission Accounts, and try one out by installing the Drive app »
Install the Fission command line tools to start publishing from your desktop.
The Fission command line interface (CLI) is the most common way for developers to interact with Fission services.
Use the Homebrew recipe to install the CLI on macOS. This taps and installs in one command:
If you have any issues, check that libcrypto1.1 installed and linked on your system.
You can also follow the next section for a manual install on macOS.
For Windows users, we currently recommend using Windows Subsystem for Linux 2 (WSL2). WSL1 is not supported. Run these Linux / Manual install instructions in your WSL2 environment.
Head over to our releases page on Github and download the latest release for your operating system.
Grant execute permissions and move the binary onto to your PATH. For example, on Ubuntu 20.04:
Check that the CLI was installed correctly.
If you have any issues, check that you have libssl1.1 (installed with OpenSSL) and libtinfo5 (or libtinfo6). Most recent Linux distributions will already have these libraries installed.
Check that your clock is accurate. Account linking depends on an accurate clock and may fail due to clock drift.
Mismatched clocks between a host system and container or VM may also cause issues.
Run fission --version to check if you are using an old version of the CLI.
To upgrade the CLI on macOS, brew uninstall and brew untap to reset brew.
Reinstall with brew tap and brew install.
On Linux, repeat the installation steps listed above, leaving out the installation of the additional libraries.
There is a live beta of the development version available at https://dashboard-develop.fission.app/. It might delete your apps or eat your JavaScript.
All of the apps that you have published with your account are listed on the Apps page.
As well as using the Fission CLI to register and publish apps, you can drag and drop a folder of HTML, CSS, and JavaScript files to create and publish your app directly from the browser.
Behaviour between drag-and-drop and the file chooser differs slightly!
If you upload files via drag-and-drop, e.g. by selecting the files index.html and styles.css and dropping both, you'll end up with these two files at the root of your app, so e.g. at your-app.fission.app/index.html.
If you upload files via clicking on the drop area, you'll open a directory chooser. There, select the directory that contains all files you want to have served on your app. So, e.g. choose the build directory that contains the index.html and styles.css files.
When you click on an app in your apps list, you get to a page you can update, rename or delete your apps on.
Migrate your file system to get the latest features
Fission will occasionally change how your file system is stored to enable new features, improve performance, and improve security. Some of these changes require a file system migration.
Because Fission has no control over your file system, we cannot migrate your file system for you. To help you with migrations, we've developed a command-line tool that upgrades your file system to the latest version.
If your file system is outdated, you will see a message like this in the Auth Lobby (https://auth.fission.codes):
If you decide that your username and data are not worth keeping, go to https://auth.fission.codes and click the text "remove this device" on the bottom of the page. Keep in mind that you will not be able to access data associated with the account afterward.
After removing a device, you will be able to create a new account. New accounts are always created at the latest file system version.
Multiple devices. If you have signed in on multiple devices, remove each device and link them again after you have created a new account.
At the moment, running a migration requires familiarity working with the command line on your machine.
The Webnative File System (WNFS) migration tool will use your linked credentials when migrating your file system.
wnfs-migrationYou can now install the migration CLI tool with npm:
npm install --global wnfs-migration
wnfs-migrationMake sure the output of npm bin is on your PATH. If it is not, you can prepend your command with the path returned from npm bin, for example: $ /home/me/node_modules/bin/wnfs-migration
At this point, wnfs-migration has migrated a local copy of your WNFS. It will then ask you to confirm that you want to overwrite the synced version of your file system on the Fission servers.
Enter Y to confirm or n to decline and abort the migration process. If you confirm, wnfs-migration will sync your migrated file system:
Fission Dashboard shows the verification status of your account. You can resend your verification email if it ended up in your spam.
Like all Fission apps -- including the ones made by Fission directly -- you need to give permission to the Dashboard app to access your account info.
Fission Drive lets you browse public, unencrypted files stored on IPFS.
Fission Drive is currently a preview release of our upcoming file storage and identity system that lets you take your files anywhere, encrypted end-to-end as well as for public hosting of files, websites, and apps.
The Preview release is an exploration of the interface, and currently supports only public files.
You can browse any IPFS directory, not just those hosted on Fission, by entering in the hash, or Content ID (CID), of a directory.
You can use QmbCLefkFuXbhHBWSW7PWmJzBL7W7e8zm41HK4DGJ1RDwV as an example folder to browse. Visit drive.fission.codes to try it out.
The hash above represents Boris' public files, which you can also see in the default IPFS browser at boris.fission.name.
Preview supports system wide / browser settings for dark vs. light mode and will switch automatically when you change those settings.
Note: ChromeOS does not currently support dark mode.
Clicking on an image will give you a file preview.
Click on the double arrows in the top right hand corner to embiggen the preview to full screen. Hit the X to close the preview.
The "Open in new tab" link will give you a permanent link for sharing the current file, using the Fission IPFS gateway.
Yes, this works on mobile!
Use arrow keys to navigate, enter to open preview.
Make a recovery kit and never lose access to your account
Fission users can recover a lost account with a Recovery Kit. You can create a Recovery Kit in the Fission Dashboard to ensure you will always have access to your account.
To create a Recovery Kit, you need to grant the Fission Dashboard access to your private files. This step is necessary for the Dashboard to recover your private files.
Allow creating a recovery kit and grant permission in the Fission Auth Lobby.
After granting permission, you can create a Recovery Kit.
The recovery kit should be stored somewhere safe. Anyone with access to your Recovery Kit can access your private files. If you lose your Recovery Kit, you will not be able to recover your account.
Download your Recovery Kit and save it somewhere safe.
We recommend you store it on a device or storage medium that you will not easily lose.
If you have lost access to your account, you can recover it with a Recovery Kit from the Fission Dashboard.
Select the Recover your account option below the sign in button.
You will need your Recovery Kit and access to the email you used to create the account.
Drag your recovery kit onto the upload box or click the box to select it from your file system. Fission Dashboard will import your recovery kit.
After Fission Dashboard imports your Recovery Kit, select send email.
Fission will send you verification email. Click on the link in the email and the recovery page will give you an option to recover your account.
Select recover account and re-link your account by signing into the Fission Auth Lobby.
Make sure to keep the recovery page open while you re-link your account.
The Fission Auth Lobby and account recovery page will show you confirmation codes.
When you are satisfied that the codes match, confirm in the account recovery page.
After confirming, Fission will recover your account, and you can access your files again.
Your Recovery Kit will work again if you need to recover your account in the future.
The Fission CLI commands for generating credentials
Use fission generate credentials to generate key pairs and DIDs.
The fission generate credentials command generates a new Ed25519 key pair and an associated DID.
Generated key pairs are not stored anywhere and are not associated with your Fission user account. Be careful to store a copy somewhere safe.
The Fission CLI account management commands
Use fission setup, fission user whoami, and fission login to set up your account, display your username, and link your account in web browser.
The fission setup command registers your account with Fission or links to your existing Fission account.
When you register a new account, you will be prompted for a username and an email. Fission will send you an email to confirm your account and complete your registration.
Use fission user whoami to display your username.
You can link your Fission account in a web browser to interact with Fission-enabled apps. The fission login command sets up the CLI to listen for requests to link your account.
The browser window and command line will display confirmation codes. Verify that the confirmation codes match and grant access at the command line.
The browser window will update to show that you have successfully linked your account.
If you are signed into a Fission account in a web browser, you can link your account and use it at the command line.
Use fission setup to create and link a CLI user at your command line.
When prompted, enter Y to confirm you have an account and enter your username from the browser window. The auth lobby and CLI will display a confirmation code.
When you have confirmed that the codes match, approve in the browser, and the CLI will complete the setup process and link your account.
You can set up your machine with an existing account if you have the machine_id.ed25519 key. Use --with-key argument and the path to your key.
Get your first site up and running with this beginner-friendly guide
With fission installed, we are ready to set it up on your local machine. If this is your first time using fission, you will be prompted for a username and an email to confirm your new account.
A private key has been generated for your machine and saved in the ~/.config/fission/key/ directory. This key secures your communication with Fission services and works like using an SSH key to connect to GitHub.
Let's publish a simple webpage with Fission! We will write a simple webpage, register it as a Fission app, and publish it to the web.
Create a project directory and an index.html file.
Add some content to index.html:
Run fission app register command to initialize the webpage as a Fission app. You will be prompted for a build directory.
Press enter to set hello-universe as your build directory, and fission will initialize your app.
Fission will create a fission.yaml file with your app configuration.
Run fission app publish to publish the webpage.
Copy the URL from the last line and paste it into your web browser to view the webpage live on the web. Nice and simple!
It may take a few minutes for DNS to propagate. If you don't see the webpage live at the URL, come back and try again in a bit. You can also take the URL from the CLI output and view the webpage athttps://ipfs.runfission.com/ipfs/{URL}right away.
The Fission Command Line Interface (CLI)
The Fission CLI is a developer tool for working with apps and managing your account on the Fission platform.
The Fission CLI uses multipart commands with the structure:
Commands group related subcommands into operations on apps or accounts. Options extend functionality or display help information.
Shortcuts combine a command and subcommand into a shortcut command:
The options that would apply to the multipart command also apply to the shortcut.
The --help option displays a quick reference at any command level.
At the top level, fission --help displays a high-level summary of all commands and shortcuts.
Account recovery is only needed when you do not have any linked devices. If you have lost access on one device, but are still signed in on another device, you can use instead.
Sign in to the and select Recovery Kit.
See the for details on the derivation of DIDs from public keys.
The fission setup command will create a global config.yaml file in your ~/.config/fission directory. See the guide for more information about the config.yaml file.
The registration process will also create a for you automatically at the URL YOURNAME.fission.name using your Fission username.
Open the in a browser window, select "Sign In", enter your Fission username, and select "Link Account".
Open the in a browser window.
If you already have an account created in a web browser, you can link it on your local machine. See the to link your account.
The url is where your webpage will be on the web after it has been published, build tells the fission which directory to publish, and ignore is a list of files and directories to ignore. See the for more details.
This guide covers the most commonly used options. More options are available for you to explore and you can always to ask us more about them!