auth

package
v0.8.1-rc.3 Latest Latest
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 Go to latest Published: May 12, 2022 License: MPL-2.0 Imports: 20 Imported by: 13

Documentation

Index

Constants

View Source 
const (
	// StateCookieName is the name of the cookie that holds state during auth flow.
	StateCookieName = "state"
	// IDTokenCookieName is the name of the cookie that holds the ID Token once
	// the user has authenticated successfully with the OIDC Provider.
	IDTokenCookieName = "id_token"
)
View Source 
const (
	LoginOIDC                 string = "oidc"
	LoginUsername             string = "username"
	ClusterUserAuthSecretName string = "cluster-user-auth"
	OIDCAuthSecretName        string = "oidc-auth"
)

Variables

This section is empty.

Functions

func IsPublicRoute added in v0.7.0 

func IsPublicRoute(u *url.URL, publicRoutes []string) bool

func JSONError added in v0.7.0 

func JSONError(log logr.Logger, w http.ResponseWriter, errStr string, code int)

func RegisterAuthServer 

func RegisterAuthServer(mux *http.ServeMux, prefix string, srv *AuthServer, loginRequestRateLimit uint64) error

RegisterAuthServer registers the /callback route under a specified prefix. This route is called by the OIDC Provider in order to pass back state after the authentication flow completes.

func WithAPIAuth 

func WithAPIAuth(next http.Handler, srv *AuthServer, publicRoutes []string) http.Handler

WithAPIAuth middleware adds auth validation to API handlers.

Unauthorized requests will be denied with a 401 status code.

func WithPrincipal 

func WithPrincipal(ctx context.Context, p *UserPrincipal) context.Context

WithPrincipal sets the principal into the context.

Types

type AdminClaims added in v0.7.0 

type AdminClaims struct {
	jwt.StandardClaims
}

type AuthConfig 

type AuthConfig struct {
	Log logr.Logger
	// contains filtered or unexported fields
}

AuthConfig is used to configure an AuthServer.

func NewAuthServerConfig added in v0.7.0 

func NewAuthServerConfig(log logr.Logger, oidcCfg OIDCConfig, kubernetesClient ctrlclient.Client, tsv TokenSignerVerifier) (AuthConfig, error)

type AuthServer 

type AuthServer struct {
	AuthConfig
	// contains filtered or unexported fields
}

AuthServer interacts with an OIDC issuer to handle the OAuth2 process flow.

func NewAuthServer 

func NewAuthServer(ctx context.Context, cfg AuthConfig) (*AuthServer, error)

NewAuthServer creates a new AuthServer object.

func (*AuthServer) Callback added in v0.7.0 

func (s *AuthServer) Callback() http.HandlerFunc

func (*AuthServer) Logout added in v0.7.0 

func (s *AuthServer) Logout() http.HandlerFunc

func (*AuthServer) OAuth2Flow added in v0.7.0 

func (s *AuthServer) OAuth2Flow() http.HandlerFunc

func (*AuthServer) SetRedirectURL 

func (s *AuthServer) SetRedirectURL(url string)

SetRedirectURL is used to set the redirect URL. This is meant to be used in unit tests only.

func (*AuthServer) SignIn added in v0.7.0 

func (s *AuthServer) SignIn() http.HandlerFunc

func (*AuthServer) UserInfo added in v0.7.0 

func (s *AuthServer) UserInfo() http.HandlerFunc

UserInfo inspects the cookie and attempts to verify it as an admin token. If successful, it returns a UserInfo object with the email set to the admin token subject. Otherwise it uses the token to query the OIDC provider's user info endpoint and return a UserInfo object back or a 401 status in any other case.

type HMACTokenSignerVerifier added in v0.7.0 

type HMACTokenSignerVerifier struct {
	// contains filtered or unexported fields
}

func NewHMACTokenSignerVerifier added in v0.7.0 

func NewHMACTokenSignerVerifier(expireAfter time.Duration) (*HMACTokenSignerVerifier, error)

func (*HMACTokenSignerVerifier) SetDevMode added in v0.7.0 

func (sv *HMACTokenSignerVerifier) SetDevMode(user string)

func (*HMACTokenSignerVerifier) Sign added in v0.7.0 

func (sv *HMACTokenSignerVerifier) Sign(subject string) (string, error)

func (*HMACTokenSignerVerifier) Verify added in v0.7.0 

func (sv *HMACTokenSignerVerifier) Verify(tokenString string) (*AdminClaims, error)

type JWTAdminCookiePrincipalGetter added in v0.7.0 

type JWTAdminCookiePrincipalGetter struct {
	// contains filtered or unexported fields
}

func (*JWTAdminCookiePrincipalGetter) Principal added in v0.7.0 

func (pg *JWTAdminCookiePrincipalGetter) Principal(r *http.Request) (*UserPrincipal, error)

type JWTAuthorizationHeaderPrincipalGetter 

type JWTAuthorizationHeaderPrincipalGetter struct {
	// contains filtered or unexported fields
}

JWTAuthorizationHeaderPrincipalGetter inspects the Authorization header (bearer token) for a JWT token and returns a principal object.

func (*JWTAuthorizationHeaderPrincipalGetter) Principal 

func (pg *JWTAuthorizationHeaderPrincipalGetter) Principal(r *http.Request) (*UserPrincipal, error)

type JWTCookiePrincipalGetter 

type JWTCookiePrincipalGetter struct {
	// contains filtered or unexported fields
}

JWTCookiePrincipalGetter inspects a cookie for a JWT token and returns a principal object.

func (*JWTCookiePrincipalGetter) Principal 

func (pg *JWTCookiePrincipalGetter) Principal(r *http.Request) (*UserPrincipal, error)

type LoginRequest added in v0.7.0 

type LoginRequest struct {
	Username string `json:"username"`
	Password string `json:"password"`
}

LoginRequest represents the data submitted by client when the auth flow (non-OIDC) is used.

type MultiAuthPrincipal 

type MultiAuthPrincipal []PrincipalGetter

MultiAuthPrincipal looks for a principal in an array of principal getters and if it finds an error or a principal it returns, otherwise it returns (nil,nil).

func (MultiAuthPrincipal) Principal 

func (m MultiAuthPrincipal) Principal(r *http.Request) (*UserPrincipal, error)

type OIDCConfig 

type OIDCConfig struct {
	IssuerURL     string
	ClientID      string
	ClientSecret  string
	RedirectURL   string
	TokenDuration time.Duration
}

OIDCConfig is used to configure an AuthServer to interact with an OIDC issuer.

func NewOIDCConfigFromSecret added in v0.7.0 

func NewOIDCConfigFromSecret(secret corev1.Secret) OIDCConfig

type PrincipalGetter 

type PrincipalGetter interface {
	// Principal extracts a principal from the http.Request.
	// It's not an error for there to be no principal in the request.
	Principal(r *http.Request) (*UserPrincipal, error)
}

PrincipalGetter implementations are responsible for extracting a named principal from an HTTP request.

func NewJWTAdminCookiePrincipalGetter added in v0.7.0 

func NewJWTAdminCookiePrincipalGetter(log logr.Logger, verifier TokenSignerVerifier, cookieName string) PrincipalGetter

func NewJWTAuthorizationHeaderPrincipalGetter 

func NewJWTAuthorizationHeaderPrincipalGetter(log logr.Logger, verifier *oidc.IDTokenVerifier) PrincipalGetter

func NewJWTCookiePrincipalGetter 

func NewJWTCookiePrincipalGetter(log logr.Logger, verifier *oidc.IDTokenVerifier, cookieName string) PrincipalGetter

type SessionState 

type SessionState struct {
	Nonce     string `json:"n"`
	ReturnURL string `json:"return_url"`
}

SessionState represents the state that needs to be persisted between the AuthN request from the Relying Party (RP) to the authorization endpoint of the OpenID Provider (OP) and the AuthN response back from the OP to the RP's callback URL. This state could be persisted server-side in a data store such as Redis but we prefer to operate stateless so we store this in a cookie instead. The cookie value and the value of the "state" parameter passed in the AuthN request are identical and set to the base64-encoded, JSON serialised state.

https://openid.net/specs/openid-connect-core-1_0.html#Overview https://auth0.com/docs/configure/attack-protection/state-parameters#alternate-redirect-method https://community.auth0.com/t/state-parameter-and-user-redirection/8387/2

type TokenSigner added in v0.7.0 

type TokenSigner interface {
	Sign(subject string) (string, error)
}

type TokenSignerVerifier added in v0.7.0 

type TokenSignerVerifier interface {
	TokenSigner
	TokenVerifier
}

type TokenVerifier added in v0.7.0 

type TokenVerifier interface {
	Verify(token string) (*AdminClaims, error)
}

type UserInfo added in v0.7.0 

type UserInfo struct {
	Email  string   `json:"email"`
	Groups []string `json:"groups"`
}

UserInfo represents the response returned from the user info handler.

type UserPrincipal 

type UserPrincipal struct {
	ID     string   `json:"id"`
	Groups []string `json:"groups"`
}

UserPrincipal is a simple model for the user, including their ID and Groups.

func Principal 

func Principal(ctx context.Context) *UserPrincipal

Principal gets the principal from the context.

Source Files

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