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add-to-web3

Upload files to web3.storage from a Github Action, and output the IPFS Content ID.

A lightweight wrapper around w3cli. As a composite github action all it does is configure and call the cli for you. See the steps in ./action.yml.

Usage

uses: web3-storage/add-to-web3@v3
id: w3up
with:
  path_to_add: 'dist'
  proof: ${{ secrets.W3_PROOF }}
  secret_key: ${{ secrets.W3_PRINCIPAL }}

# use the outputs in subsequent steps
# "bafkreicysg23kiwv34eg2d7qweipxwosdo2py4ldv42nbauguluen5v6am"
- run: echo ${{ steps.w3up.outputs.cid }}

# "https://bafkreicysg23kiwv34eg2d7qweipxwosdo2py4ldv42nbauguluen5v6am.ipfs.w3s.link"
- run: echo ${{ steps.w3up.outputs.url }}

Generating a secret_key and proof

On your dev machine, use w3cli to generate a secret_key and proof to allow this action to upload to a space.

Install it from npm and login as described here https://web3.storage/docs/quickstart/ then create a key like this:

# Use the `did` in the input to the next command. 
# Use `key` as your `secret_key` for add_to_web3.
$ w3 key create --json
{
  "did": "did:key:z6Mk...",
  "key": "MgCaT7Se2QX9..."
}

Keep the key safe. Save it as a secret on your repo.

Copy the did for use in the next command. The output is a base64 encoded ucan proof that delegates capabilities to store/add and upload/add on your current space to the key generated above.

# Delegate capabilities to the `did` we created above.
$ w3 delegation create did:key:z6Mk... -c 'store/add' -c 'upload/add' --base64
mAYIEAP8OEaJlcm9vdHOAZ3ZlcnNpb24BwwUBcRIg+oHTbzShh1WzBo9ISkonCW+KAcy/+zW8Zb...

The capabilies store/add and upload/add are the minimum required to upload files to web3.storage. This proof will not allow that key to list uploads in this space for example.

To recap:

  • Use the key value from the output of w3 key create --json as the secret_key for this action.
  • Use the did value from that output as the audience for w3 delegation create <audience> shown above.
  • Use the output of w3 delegation create <audience> --base64 as the proof for this action.

Inputs

path_to_add

Required The path the root directory of your static website or other content that you want to publish to IPFS.

secret_key

Required The base64 encoded key to use to sign UCAN invocations to web3.storage.

Create one using w3 key create. See: https://github.com/web3-storage/w3cli#w3_principal

proof

Required A base64 encoded UCAN delegating capabilities the signing key above.

Create a proof using w3cli, delegating store/add' and upload/add`

$ AUDIENCE_DID="<the DID for secret_key created by `w3 key create`>"
$ w3 delegation create $AUDIENCE_DID  -c 'store/add' -c 'upload/add' --base64`
Show advanced options: hidden, wrap

hidden

Default false

Should hidden files prefixed with a . be included when found in the path_to_add

see: See: https://github.com/web3-storage/w3cli#w3-up-path-path

wrap

Default true

If path_to_add points to a file it will be wrapped in a directory to preserve the filename. To disable that set wrap: "true".

See: https://github.com/web3-storage/w3cli#w3-up-path-path

Outputs

cid

The IPFS content ID for the directory on IPFS. e.g. bafkreicysg23kiwv34eg2d7qweipxwosdo2py4ldv42nbauguluen5v6am

url

The IPFS gateway URL for the directory e.g. https://dweb.link/ipfs/bafkreicysg23kiwv34eg2d7qweipxwosdo2py4ldv42nbauguluen5v6am

Contributing

💌 Considerate contributions welcome!