Files
coder/coderd/httpapi/username.go
Kyle Carberry 3d0febdd90 feat: Add OIDC authentication (#3314)
* feat: Add OIDC authentication

* Extract username into a separate package and add OIDC tests

* Add test case for invalid tokens

* Add test case for username as email

* Add OIDC to the frontend

* Improve comments from self-review

* Add authentication docs

* Add telemetry

* Update docs/install/auth.md

Co-authored-by: Ammar Bandukwala <ammar@ammar.io>

* Update docs/install/auth.md

Co-authored-by: Ammar Bandukwala <ammar@ammar.io>

* Remove username package

Co-authored-by: Ammar Bandukwala <ammar@ammar.io>
2022-07-31 23:05:35 -05:00

46 lines
1.1 KiB
Go

package httpapi
import (
"regexp"
"strings"
"github.com/moby/moby/pkg/namesgenerator"
)
var (
usernameValid = regexp.MustCompile("^[a-zA-Z0-9]+(?:-[a-zA-Z0-9]+)*$")
usernameReplace = regexp.MustCompile("[^a-zA-Z0-9-]*")
)
// UsernameValid returns whether the input string is a valid username.
func UsernameValid(str string) bool {
if len(str) > 32 {
return false
}
if len(str) < 1 {
return false
}
return usernameValid.MatchString(str)
}
// UsernameFrom returns a best-effort username from the provided string.
//
// It first attempts to validate the incoming string, which will
// be returned if it is valid. It then will attempt to extract
// the username from an email address. If no success happens during
// these steps, a random username will be returned.
func UsernameFrom(str string) string {
if UsernameValid(str) {
return str
}
emailAt := strings.LastIndex(str, "@")
if emailAt >= 0 {
str = str[:emailAt]
}
str = usernameReplace.ReplaceAllString(str, "")
if UsernameValid(str) {
return str
}
return strings.ReplaceAll(namesgenerator.GetRandomName(1), "_", "-")
}