72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package auth
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import (
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"encoding/json"
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"golang.org/x/oauth2"
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)
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var _ Provider = (*Authentik)(nil)
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// NameAuthentik is the unique name of the Authentik provider.
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const NameAuthentik string = "authentik"
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// Authentik allows authentication via Authentik OAuth2.
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type Authentik struct {
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*baseProvider
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}
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// NewAuthentikProvider creates new Authentik provider instance with some defaults.
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func NewAuthentikProvider() *Authentik {
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return &Authentik{&baseProvider{
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scopes: []string{
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"openid", // minimal requirement to return the id
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"email",
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"profile",
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},
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}}
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}
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// FetchAuthUser returns an AuthUser instance based the Authentik's user api.
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//
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// API reference: https://goauthentik.io/docs/providers/oauth2/
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func (p *Authentik) FetchAuthUser(token *oauth2.Token) (*AuthUser, error) {
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data, err := p.FetchRawUserData(token)
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if err != nil {
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return nil, err
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}
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rawUser := map[string]any{}
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if err := json.Unmarshal(data, &rawUser); err != nil {
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return nil, err
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}
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extracted := struct {
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Id string `json:"sub"`
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Name string `json:"name"`
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Username string `json:"preferred_username"`
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Picture string `json:"picture"`
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Email string `json:"email"`
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EmailVerified bool `json:"email_verified"`
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}{}
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if err := json.Unmarshal(data, &extracted); err != nil {
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return nil, err
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}
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user := &AuthUser{
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Id: extracted.Id,
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Name: extracted.Name,
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Username: extracted.Username,
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AvatarUrl: extracted.Picture,
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RawUser: rawUser,
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AccessToken: token.AccessToken,
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RefreshToken: token.RefreshToken,
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}
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if extracted.EmailVerified {
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user.Email = extracted.Email
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}
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return user, nil
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}
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