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DHT Storage for webpages

Using the DHT storage module from fledger, you can store data in a decentralized way. A first use-case is to store and retrieve webpages from fledger. Here is how it works:

  1. You create a static version of your website (with Hugo, Jekyll or others)
  2. You upload it to the fledger network
  3. Your webpage is served from your node while its online, or from other people's node when you're offline

In a future version, fledger will also track how long you're online and how many other pages you're serving. This will allow a tit-for-tat sharing: the longer and the more other pages you store and serve, the longer other nodes wil store and serve your pages.

Exploring existing domains

To upload your web page to fledger, you can simply go to the Fledger Web to connect as a node. Choose the Manage Pages tab. Fledger will automatically choose the standard root-domain for you. You will see all subdomains of the root-domain available and can click on any of them for sub-sub domains or the homepage.

Adding your own homepage

To add your own homepage, you need to create a domain for it. Then you can upload files and directories which will be stored under this domain. Per default, index.html or index.md is used as the homepage, but you can also change this.

Creating your domain

Each domain can decide whether it wants to accept random sub-domains or whether it restricts them to the owner. The root-domain accepts any sub-domain, and is selected by default. Follow the steps to create your sob-domain and upload your page:

  1. Click Add subdomain
  2. Enter the desired name - fledger will tell you if the name is available or not
  3. Confirm with Add

Please be aware that fledger will create a private key for protecting access to your domain. If you lose this key, you won't be able to modify the domain anymore.

Uploading your files

Private key storage

The private keys created to protect your domain will be stored directly in your browser. So if you delete the localStorage, you will lose all your private keys and access to your domain! You can create a backup in the Profile tab, and store the json file somewhere safe on your harddisk. To restore a backup, you can upload it in the Profile tab.

Technical details

Fledger does the following when you set up your own webpage:

  1. Creates a Signer and stores it locally
  2. Creates and stores an Identity as a FloIdentity
  3. Creates an ACE with the rules domain.*, blob.* and stores it as a FloACE
  4. Creates a Domain updatable by the ACE
  5. Creates a FloBlob with content-type text/html and links it with the Domain

Questions

  • should the Domain point to a home-page?
  • is there a need for a hierarchical storage of the FloBlobs?
  • how to discover the Domain given the name?
    • ID of the domain could depend on the hash of the name
    • a separate DNS system to resolve names to IDs
  • how to discover the pages stored?
    • Create a list of all domains if they point to a home-page
    • the home-pages link to the other pages
    • use sub-domains for different topics in the domains of the users
  • should there be a main-domain with given subdomains (social, blog, tests) that can be populated by new users?
  • how to bootstrap the system?
    • create one page for fledger, and hardcode this ID in the fledger-binary