zitadel/internal/project/model/oidc_config.go
Fabi d8e42744b4
fix: move v2 pkgs (#1331)
* fix: move eventstore pkgs

* fix: move eventstore pkgs

* fix: remove v2 view

* fix: remove v2 view
2021-02-23 15:13:04 +01:00

332 lines
9.7 KiB
Go

package model
import (
"fmt"
"strings"
"time"
"github.com/caos/logging"
"github.com/caos/zitadel/internal/crypto"
"github.com/caos/zitadel/internal/errors"
es_models "github.com/caos/zitadel/internal/eventstore/v1/models"
"github.com/caos/zitadel/internal/id"
key_model "github.com/caos/zitadel/internal/key/model"
)
const (
http = "http://"
httpLocalhost = "http://localhost:"
httpLocalhost2 = "http://localhost/"
https = "https://"
)
type OIDCConfig struct {
es_models.ObjectRoot
AppID string
ClientID string
ClientSecret *crypto.CryptoValue
ClientSecretString string
RedirectUris []string
ResponseTypes []OIDCResponseType
GrantTypes []OIDCGrantType
ApplicationType OIDCApplicationType
AuthMethodType OIDCAuthMethodType
PostLogoutRedirectUris []string
OIDCVersion OIDCVersion
Compliance *Compliance
DevMode bool
AccessTokenType OIDCTokenType
AccessTokenRoleAssertion bool
IDTokenRoleAssertion bool
IDTokenUserinfoAssertion bool
ClockSkew time.Duration
ClientKeys []*ClientKey
}
type OIDCVersion int32
const (
OIDCVersionV1 OIDCVersion = iota
)
type OIDCResponseType int32
const (
OIDCResponseTypeCode OIDCResponseType = iota
OIDCResponseTypeIDToken
OIDCResponseTypeIDTokenToken
)
type OIDCGrantType int32
const (
OIDCGrantTypeAuthorizationCode OIDCGrantType = iota
OIDCGrantTypeImplicit
OIDCGrantTypeRefreshToken
)
type OIDCApplicationType int32
const (
OIDCApplicationTypeWeb OIDCApplicationType = iota
OIDCApplicationTypeUserAgent
OIDCApplicationTypeNative
)
type OIDCAuthMethodType int32
const (
OIDCAuthMethodTypeBasic OIDCAuthMethodType = iota
OIDCAuthMethodTypePost
OIDCAuthMethodTypeNone
OIDCAuthMethodTypePrivateKeyJWT
)
type Compliance struct {
NoneCompliant bool
Problems []string
}
type OIDCTokenType int32
const (
OIDCTokenTypeBearer OIDCTokenType = iota
OIDCTokenTypeJWT
)
type ClientKey struct {
es_models.ObjectRoot
ApplicationID string
ClientID string
KeyID string
Type key_model.AuthNKeyType
ExpirationDate time.Time
PrivateKey []byte
}
type Token struct {
es_models.ObjectRoot
TokenID string
ClientID string
Audience []string
Expiration time.Time
Scopes []string
}
func (c *OIDCConfig) IsValid() bool {
grantTypes := c.getRequiredGrantTypes()
for _, grantType := range grantTypes {
ok := containsOIDCGrantType(c.GrantTypes, grantType)
if !ok {
return false
}
}
return true
}
//ClientID random_number@projectname (eg. 495894098234@zitadel)
func (c *OIDCConfig) GenerateNewClientID(idGenerator id.Generator, project *Project) error {
rndID, err := idGenerator.Next()
if err != nil {
return err
}
c.ClientID = fmt.Sprintf("%v@%v", rndID, strings.ReplaceAll(strings.ToLower(project.Name), " ", "_"))
return nil
}
func (c *OIDCConfig) GenerateClientSecretIfNeeded(generator crypto.Generator) (string, error) {
if c.AuthMethodType == OIDCAuthMethodTypeBasic || c.AuthMethodType == OIDCAuthMethodTypePost {
return c.GenerateNewClientSecret(generator)
}
return "", nil
}
func (c *OIDCConfig) GenerateNewClientSecret(generator crypto.Generator) (string, error) {
cryptoValue, stringSecret, err := crypto.NewCode(generator)
if err != nil {
logging.Log("MODEL-UpnTI").OnError(err).Error("unable to create client secret")
return "", errors.ThrowInternal(err, "MODEL-gH2Wl", "Errors.Project.CouldNotGenerateClientSecret")
}
c.ClientSecret = cryptoValue
return stringSecret, nil
}
func (c *OIDCConfig) FillCompliance() {
c.Compliance = GetOIDCCompliance(c.OIDCVersion, c.ApplicationType, c.GrantTypes, c.ResponseTypes, c.AuthMethodType, c.RedirectUris)
}
func GetOIDCCompliance(version OIDCVersion, appType OIDCApplicationType, grantTypes []OIDCGrantType, responseTypes []OIDCResponseType, authMethod OIDCAuthMethodType, redirectUris []string) *Compliance {
switch version {
case OIDCVersionV1:
return GetOIDCV1Compliance(appType, grantTypes, authMethod, redirectUris)
}
return nil
}
func GetOIDCV1Compliance(appType OIDCApplicationType, grantTypes []OIDCGrantType, authMethod OIDCAuthMethodType, redirectUris []string) *Compliance {
compliance := &Compliance{NoneCompliant: false}
if redirectUris == nil || len(redirectUris) == 0 {
compliance.NoneCompliant = true
compliance.Problems = append([]string{"Application.OIDC.V1.NoRedirectUris"}, compliance.Problems...)
}
if containsOIDCGrantType(grantTypes, OIDCGrantTypeImplicit) && containsOIDCGrantType(grantTypes, OIDCGrantTypeAuthorizationCode) {
CheckRedirectUrisImplicitAndCode(compliance, appType, redirectUris)
} else {
if containsOIDCGrantType(grantTypes, OIDCGrantTypeImplicit) {
CheckRedirectUrisImplicit(compliance, appType, redirectUris)
}
if containsOIDCGrantType(grantTypes, OIDCGrantTypeAuthorizationCode) {
CheckRedirectUrisCode(compliance, appType, redirectUris)
}
}
switch appType {
case OIDCApplicationTypeNative:
GetOIDCV1NativeApplicationCompliance(compliance, authMethod)
case OIDCApplicationTypeUserAgent:
GetOIDCV1UserAgentApplicationCompliance(compliance, authMethod)
}
if compliance.NoneCompliant {
compliance.Problems = append([]string{"Application.OIDC.V1.NotCompliant"}, compliance.Problems...)
}
return compliance
}
func GetOIDCV1NativeApplicationCompliance(compliance *Compliance, authMethod OIDCAuthMethodType) {
if authMethod != OIDCAuthMethodTypeNone {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Native.AuthMethodType.NotNone")
}
}
func GetOIDCV1UserAgentApplicationCompliance(compliance *Compliance, authMethod OIDCAuthMethodType) {
if authMethod != OIDCAuthMethodTypeNone {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.UserAgent.AuthMethodType.NotNone")
}
}
func CheckRedirectUrisCode(compliance *Compliance, appType OIDCApplicationType, redirectUris []string) {
if urlsAreHttps(redirectUris) {
return
}
if urlContainsPrefix(redirectUris, http) && appType != OIDCApplicationTypeWeb {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Code.RedirectUris.HttpOnlyForWeb")
}
if containsCustom(redirectUris) && appType != OIDCApplicationTypeNative {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Code.RedirectUris.CustomOnlyForNative")
}
}
func CheckRedirectUrisImplicit(compliance *Compliance, appType OIDCApplicationType, redirectUris []string) {
if urlsAreHttps(redirectUris) {
return
}
if containsCustom(redirectUris) {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Implicit.RedirectUris.CustomNotAllowed")
}
if urlContainsPrefix(redirectUris, http) {
if appType == OIDCApplicationTypeNative {
if !onlyLocalhostIsHttp(redirectUris) {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Implicit.RedirectUris.NativeShouldBeHttpLocalhost")
}
return
}
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Implicit.RedirectUris.HttpNotAllowed")
}
}
func CheckRedirectUrisImplicitAndCode(compliance *Compliance, appType OIDCApplicationType, redirectUris []string) {
if urlsAreHttps(redirectUris) {
return
}
if containsCustom(redirectUris) && appType != OIDCApplicationTypeNative {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Implicit.RedirectUris.CustomNotAllowed")
}
if (urlContainsPrefix(redirectUris, httpLocalhost) || urlContainsPrefix(redirectUris, httpLocalhost2)) && appType != OIDCApplicationTypeNative {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Implicit.RedirectUris.HttpLocalhostOnlyForNative")
}
if urlContainsPrefix(redirectUris, http) && !(urlContainsPrefix(redirectUris, httpLocalhost) || urlContainsPrefix(redirectUris, httpLocalhost2)) && appType != OIDCApplicationTypeWeb {
compliance.NoneCompliant = true
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.Code.RedirectUris.HttpOnlyForWeb")
}
if !compliance.NoneCompliant {
compliance.Problems = append(compliance.Problems, "Application.OIDC.V1.NotAllCombinationsAreAllowed")
}
}
func (c *OIDCConfig) getRequiredGrantTypes() []OIDCGrantType {
grantTypes := make([]OIDCGrantType, 0)
implicit := false
for _, r := range c.ResponseTypes {
switch r {
case OIDCResponseTypeCode:
grantTypes = append(grantTypes, OIDCGrantTypeAuthorizationCode)
case OIDCResponseTypeIDToken, OIDCResponseTypeIDTokenToken:
if !implicit {
implicit = true
grantTypes = append(grantTypes, OIDCGrantTypeImplicit)
}
}
}
return grantTypes
}
func containsOIDCGrantType(grantTypes []OIDCGrantType, grantType OIDCGrantType) bool {
for _, gt := range grantTypes {
if gt == grantType {
return true
}
}
return false
}
func urlsAreHttps(uris []string) bool {
for _, uri := range uris {
if !strings.HasPrefix(uri, https) {
return false
}
}
return true
}
func urlContainsPrefix(uris []string, prefix string) bool {
for _, uri := range uris {
if strings.HasPrefix(uri, prefix) {
return true
}
}
return false
}
func containsCustom(uris []string) bool {
for _, uri := range uris {
if !strings.HasPrefix(uri, http) && !strings.HasPrefix(uri, https) {
return true
}
}
return false
}
func onlyLocalhostIsHttp(uris []string) bool {
for _, uri := range uris {
if strings.HasPrefix(uri, http) {
if !strings.HasPrefix(uri, httpLocalhost) && !strings.HasPrefix(uri, httpLocalhost2) {
return false
}
}
}
return true
}