chtorr/vendor/github.com/writeas/go-webfinger/README.md

59 lines
2.4 KiB
Markdown

[![GoDoc](https://godoc.org/code.as/writeas/go-webfinger?status.svg)](https://godoc.org/code.as/writeas/go-webfinger)
# go-webfinger
go-webfinger is a golang webfinger server implementation. See [v1.0](https://github.com/writeas/go-webfinger/releases/tag/1.0) for the latest stable version, and our [Code.as repo](https://code.as/writeas/go-webfinger) for the Write.as-specific implementation.
Past v1.0, this fork was made especially for federation support on [Write.as](https://write.as), which includes users across write.as, \*.writeas.com, and custom domains we host. The `master` branch contains changes specific to our implementation, and will change without notification.
## Usage
`webfinger.Service` is implemented as a net/http handler, which means
usage is simply registering the object with your http service.
Using the webfinger service as the main ServeHTTP:
```go
myResolver = ...
wf := webfinger.Default(myResolver{})
wf.NotFoundHandler = // the rest of your app
http.ListenAndService(":8080", wf)
```
Using the webfinger service as a route on an existing HTTP router:
```go
myResolver = ...
wf := webfinger.Default(myResolver{})
http.Handle(webfinger.WebFingerPath, http.HandlerFunc(wf.Webfinger))
http.ListenAndService(":8080", nil)
```
## Defaults
The webfinger service is installed with a few defaults. Some of these
defaults ensure we stick closely to the webfinger specification (tls-only, CORS, Content-Type)
and other defaults are simply useful for development (no-cache)
The full list of defaults can be found in the godoc for `webfinger.Service`. They are exposed
as public variables which can be overriden.
`PreHandlers` are the list of preflight HTTP handlers to run. You can add your own via `wf.PreHandlers["my-custom-name"] = ...`, however,
execution order is not guaranteed.
### TLS-Only
Handler which routes to the TLS version of the page. Disable via `wf.NoTLSHandler = nil`.
### No-Cache
A PreFlight handler which sets no-cache headers on anything under `/.well-known/webfinger`. Disable or override via `wf.PreHandlers[webfinger.NoCacheMiddleware]`
### Content Type as application/jrd+json
A PreFlight handler which sets the Content-Type to `application/jrd+json`. Disable or override via `wf.PreHandlers[webfinger.ContentTypeMiddleware]`.
### CORS
A PreFlight handler which adds the CORS headers. Disable or override via `wf.PreHandlers[webfinger.CorsMiddleware].`