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invitation.go
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invitation.go
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package user
import (
"fmt"
"net/url"
"time"
"github.com/coreos/go-oidc/jose"
"github.com/coreos/go-oidc/key"
"github.com/coreos/go-oidc/oidc"
)
func NewInvitation(user User, password Password, issuer url.URL, clientID string, callback url.URL, expires time.Duration) Invitation {
claims := oidc.NewClaims(issuer.String(), user.ID, clientID, clock.Now(), clock.Now().Add(expires))
claims.Add(ClaimPasswordResetPassword, string(password))
claims.Add(ClaimEmailVerificationEmail, user.Email)
claims.Add(ClaimInvitationCallback, callback.String())
return Invitation{claims}
}
// An Invitation is a token that can be used for verifying an email
// address and resetting a password in a single stroke. It will be
// sent as part of a link in an email automatically to newly created
// users if email is configured.
type Invitation struct {
Claims jose.Claims
}
func ParseAndVerifyInvitationToken(token string, issuer url.URL, keys []key.PublicKey) (Invitation, error) {
tokenClaims, err := parseAndVerifyTokenClaims(token, issuer, keys)
if err != nil {
return Invitation{}, err
}
cb, ok, err := tokenClaims.Claims.StringClaim(ClaimInvitationCallback)
if err != nil {
return Invitation{}, err
}
if !ok || cb == "" {
return Invitation{}, fmt.Errorf("no %q claim", ClaimInvitationCallback)
}
if _, err := url.Parse(cb); err != nil {
return Invitation{}, fmt.Errorf("callback URL not parseable: %v", cb)
}
pw, ok, err := tokenClaims.Claims.StringClaim(ClaimPasswordResetPassword)
if err != nil {
return Invitation{}, err
}
if !ok || pw == "" {
return Invitation{}, fmt.Errorf("no %q claim", ClaimPasswordResetPassword)
}
email, ok, err := tokenClaims.Claims.StringClaim(ClaimEmailVerificationEmail)
if err != nil {
return Invitation{}, err
}
if !ok || email == "" {
return Invitation{}, fmt.Errorf("no %q claim", ClaimEmailVerificationEmail)
}
return Invitation{tokenClaims.Claims}, nil
}
func (iv Invitation) UserID() string {
return assertStringClaim(iv.Claims, "sub")
}
func (iv Invitation) Password() Password {
pw := assertStringClaim(iv.Claims, ClaimPasswordResetPassword)
return Password(pw)
}
func (iv Invitation) Email() string {
return assertStringClaim(iv.Claims, ClaimEmailVerificationEmail)
}
func (iv Invitation) ClientID() string {
return assertStringClaim(iv.Claims, "aud")
}
func (iv Invitation) Callback() *url.URL {
return assertURLClaim(iv.Claims, ClaimInvitationCallback)
}
func (iv Invitation) PasswordReset(issuer url.URL, expires time.Duration) PasswordReset {
return NewPasswordReset(
iv.UserID(),
iv.Password(),
issuer,
iv.ClientID(),
*iv.Callback(),
expires,
)
}