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token.go
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token.go
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// Copyright 2021 Monoskope Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package auth
import (
"fmt"
"strings"
"time"
"github.com/finleap-connect/monoskope/pkg/api/gateway"
"github.com/finleap-connect/monoskope/pkg/jwt"
"github.com/google/uuid"
jose_jwt "gopkg.in/square/go-jose.v2/jwt"
)
const (
AudienceAPI = "m8api"
AudienceK8sAuth = "k8sauth"
)
func NewAuthToken(claims *jwt.StandardClaims, issuer, userId string, validity time.Duration) *jwt.AuthToken {
now := time.Now().UTC()
return &jwt.AuthToken{
Claims: &jose_jwt.Claims{
ID: uuid.New().String(),
Issuer: issuer,
Subject: userId,
Expiry: jose_jwt.NewNumericDate(now.Add(validity)),
NotBefore: jose_jwt.NewNumericDate(now),
IssuedAt: jose_jwt.NewNumericDate(now),
Audience: jose_jwt.Audience{AudienceAPI},
},
StandardClaims: claims,
Scope: gateway.AuthorizationScope_API.String(),
}
}
func NewKubernetesAuthToken(claims *jwt.StandardClaims, clusterClaim *jwt.ClusterClaim, issuer, userId string, validity time.Duration) *jwt.AuthToken {
now := time.Now().UTC()
return &jwt.AuthToken{
Claims: &jose_jwt.Claims{
ID: uuid.New().String(),
Issuer: issuer,
Subject: userId,
Expiry: jose_jwt.NewNumericDate(now.Add(validity)),
NotBefore: jose_jwt.NewNumericDate(now),
IssuedAt: jose_jwt.NewNumericDate(now),
Audience: jose_jwt.Audience{AudienceK8sAuth},
},
StandardClaims: claims,
ClusterClaim: clusterClaim,
Scope: gateway.AuthorizationScope_NONE.String(),
}
}
const (
ClusterBootstrapTokenValidity = 10 * time.Minute
)
func NewClusterBootstrapToken(claims *jwt.StandardClaims, issuer, userId string) *jwt.AuthToken {
now := time.Now().UTC()
return &jwt.AuthToken{
Claims: &jose_jwt.Claims{
ID: uuid.New().String(),
Issuer: issuer,
Subject: userId,
Expiry: jose_jwt.NewNumericDate(now.Add(ClusterBootstrapTokenValidity)),
NotBefore: jose_jwt.NewNumericDate(now),
IssuedAt: jose_jwt.NewNumericDate(now),
Audience: jose_jwt.Audience{AudienceAPI},
},
StandardClaims: claims,
Scope: gateway.AuthorizationScope_WRITE_K8SOPERATOR.String(),
}
}
func NewApiToken(claims *jwt.StandardClaims, issuer, userId string, validity time.Duration, scopes []gateway.AuthorizationScope) *jwt.AuthToken {
now := time.Now().UTC()
var scopesString string
for _, scope := range scopes {
scopesString = fmt.Sprintf("%s %s", scopesString, scope.String())
scopesString = strings.TrimPrefix(scopesString, " ")
}
return &jwt.AuthToken{
Claims: &jose_jwt.Claims{
ID: uuid.New().String(),
Issuer: issuer,
Subject: userId,
Expiry: jose_jwt.NewNumericDate(now.Add(validity)),
NotBefore: jose_jwt.NewNumericDate(now),
IssuedAt: jose_jwt.NewNumericDate(now),
Audience: jose_jwt.Audience{AudienceAPI},
},
StandardClaims: claims,
Scope: scopesString,
IsAPIToken: true,
}
}