owncast/activitypub/webfinger/webfinger.go
Gabe Kangas a082cf3a77
Fediverse-based authentication (#1846)
* Able to authenticate user against IndieAuth. For #1273

* WIP server indieauth endpoint. For https://github.com/owncast/owncast/issues/1272

* Add migration to remove access tokens from user

* Add authenticated bool to user for display purposes

* Add indieauth modal and auth flair to display names. For #1273

* Validate URLs and display errors

* Renames, cleanups

* Handle relative auth endpoint paths. Add error handling for missing redirects.

* Disallow using display names in use by registered users. Closes #1810

* Verify code verifier via code challenge on callback

* Use relative path to authorization_endpoint

* Post-rebase fixes

* Use a timestamp instead of a bool for authenticated

* Propertly handle and display error in modal

* Use auth'ed timestamp to derive authenticated flag to display in chat

* Fediverse chat auth via OTP

* Increase validity time just in case

* Add fediverse auth into auth modal

* Text, validation, cleanup updates for fedi auth

* Fix typo

* Remove unused images

* Remove unused file

* Add chat display name to auth modal text
2022-04-22 17:23:14 -07:00

46 lines
1.1 KiB
Go

package webfinger
import (
"encoding/json"
"fmt"
"net/http"
"net/url"
"strings"
)
// GetWebfingerLinks will return webfinger data for an account.
func GetWebfingerLinks(account string) ([]map[string]interface{}, error) {
type webfingerResponse struct {
Links []map[string]interface{} `json:"links"`
}
account = strings.TrimLeft(account, "@") // remove any leading @
accountComponents := strings.Split(account, "@")
fediverseServer := accountComponents[1]
// HTTPS is required.
requestURL, err := url.Parse("https://" + fediverseServer)
if err != nil {
return nil, fmt.Errorf("unable to parse fediverse server host %s", fediverseServer)
}
requestURL.Path = "/.well-known/webfinger"
query := requestURL.Query()
query.Add("resource", fmt.Sprintf("acct:%s", account))
requestURL.RawQuery = query.Encode()
response, err := http.DefaultClient.Get(requestURL.String())
if err != nil {
return nil, err
}
defer response.Body.Close()
var links webfingerResponse
decoder := json.NewDecoder(response.Body)
if err := decoder.Decode(&links); err != nil {
return nil, err
}
return links.Links, nil
}