mirror of https://github.com/minio/minio.git
142 lines
4.1 KiB
Go
142 lines
4.1 KiB
Go
// Copyright (c) 2015-2023 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"context"
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"strings"
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"github.com/minio/madmin-go/v3"
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"github.com/minio/minio/internal/auth"
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)
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// getUserWithProvider - returns the appropriate internal username based on the user provider.
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// if validate is true, an error is returned if the user does not exist.
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func getUserWithProvider(ctx context.Context, userProvider, user string, validate bool) (string, error) {
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switch userProvider {
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case madmin.BuiltinProvider:
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if validate {
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if _, ok := globalIAMSys.GetUser(ctx, user); !ok {
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return "", errNoSuchUser
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}
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}
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return user, nil
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case madmin.LDAPProvider:
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if globalIAMSys.GetUsersSysType() != LDAPUsersSysType {
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return "", errIAMActionNotAllowed
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}
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res, err := globalIAMSys.LDAPConfig.GetValidatedDNForUsername(user)
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if res == nil {
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err = errNoSuchUser
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}
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if err != nil {
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if validate {
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return "", err
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}
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if !globalIAMSys.LDAPConfig.ParsesAsDN(user) {
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return "", errNoSuchUser
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}
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}
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return res.NormDN, nil
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default:
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return "", errIAMActionNotAllowed
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}
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}
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// guessUserProvider - guesses the user provider based on the access key and claims.
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func guessUserProvider(credentials auth.Credentials) string {
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if !credentials.IsServiceAccount() && !credentials.IsTemp() {
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return madmin.BuiltinProvider // regular users are always internal
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}
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claims := credentials.Claims
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if _, ok := claims[ldapUser]; ok {
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return madmin.LDAPProvider // ldap users
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}
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if _, ok := claims[subClaim]; ok {
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providerPrefix, _, found := strings.Cut(credentials.ParentUser, getKeySeparator())
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if found {
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return providerPrefix // this is true for certificate and custom providers
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}
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return madmin.OpenIDProvider // openid users are already hashed, so no separator
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}
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return madmin.BuiltinProvider // default to internal
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}
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// getProviderInfoFromClaims - returns the provider info from the claims.
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func populateProviderInfoFromClaims(claims map[string]any, provider string, resp *madmin.InfoAccessKeyResp) {
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resp.UserProvider = provider
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switch provider {
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case madmin.LDAPProvider:
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resp.LDAPSpecificInfo = getLDAPInfoFromClaims(claims)
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case madmin.OpenIDProvider:
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resp.OpenIDSpecificInfo = getOpenIDInfoFromClaims(claims)
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}
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}
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func getOpenIDCfgNameFromClaims(claims map[string]any) (string, bool) {
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roleArn := claims[roleArnClaim]
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s := globalServerConfig.Clone()
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configs, err := globalIAMSys.OpenIDConfig.GetConfigList(s)
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if err != nil {
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return "", false
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}
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for _, cfg := range configs {
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if cfg.RoleARN == roleArn {
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return cfg.Name, true
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}
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}
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return "", false
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}
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func getOpenIDInfoFromClaims(claims map[string]any) madmin.OpenIDSpecificAccessKeyInfo {
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info := madmin.OpenIDSpecificAccessKeyInfo{}
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cfgName, ok := getOpenIDCfgNameFromClaims(claims)
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if !ok {
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return info
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}
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info.ConfigName = cfgName
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if displayNameClaim := globalIAMSys.OpenIDConfig.GetUserReadableClaim(cfgName); displayNameClaim != "" {
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name, _ := claims[displayNameClaim].(string)
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info.DisplayName = name
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info.DisplayNameClaim = displayNameClaim
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}
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if idClaim := globalIAMSys.OpenIDConfig.GetUserIDClaim(cfgName); idClaim != "" {
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id, _ := claims[idClaim].(string)
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info.UserID = id
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info.UserIDClaim = idClaim
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}
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return info
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}
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func getLDAPInfoFromClaims(claims map[string]any) madmin.LDAPSpecificAccessKeyInfo {
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info := madmin.LDAPSpecificAccessKeyInfo{}
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if name, ok := claims[ldapUser].(string); ok {
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info.Username = name
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}
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return info
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}
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