You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
571 lines
18 KiB
571 lines
18 KiB
/*
|
|
* MinIO Cloud Storage, (C) 2018, 2019 MinIO, Inc.
|
|
*
|
|
* 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 cmd
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"encoding/base64"
|
|
"fmt"
|
|
"net/http"
|
|
|
|
"github.com/gorilla/mux"
|
|
xldap "github.com/minio/minio/cmd/config/identity/ldap"
|
|
"github.com/minio/minio/cmd/config/identity/openid"
|
|
xhttp "github.com/minio/minio/cmd/http"
|
|
"github.com/minio/minio/cmd/logger"
|
|
"github.com/minio/minio/pkg/auth"
|
|
iampolicy "github.com/minio/minio/pkg/iam/policy"
|
|
"github.com/minio/minio/pkg/wildcard"
|
|
ldap "gopkg.in/ldap.v3"
|
|
)
|
|
|
|
const (
|
|
// STS API version.
|
|
stsAPIVersion = "2011-06-15"
|
|
stsVersion = "Version"
|
|
stsAction = "Action"
|
|
stsPolicy = "Policy"
|
|
stsToken = "Token"
|
|
stsWebIdentityToken = "WebIdentityToken"
|
|
stsDurationSeconds = "DurationSeconds"
|
|
stsLDAPUsername = "LDAPUsername"
|
|
stsLDAPPassword = "LDAPPassword"
|
|
|
|
// STS API action constants
|
|
clientGrants = "AssumeRoleWithClientGrants"
|
|
webIdentity = "AssumeRoleWithWebIdentity"
|
|
ldapIdentity = "AssumeRoleWithLDAPIdentity"
|
|
assumeRole = "AssumeRole"
|
|
|
|
stsRequestBodyLimit = 10 * (1 << 20) // 10 MiB
|
|
|
|
// JWT claim keys
|
|
expClaim = "exp"
|
|
subClaim = "sub"
|
|
|
|
// LDAP claim keys
|
|
ldapUser = "ldapUser"
|
|
ldapGroups = "ldapGroups"
|
|
)
|
|
|
|
// stsAPIHandlers implements and provides http handlers for AWS STS API.
|
|
type stsAPIHandlers struct{}
|
|
|
|
// registerSTSRouter - registers AWS STS compatible APIs.
|
|
func registerSTSRouter(router *mux.Router) {
|
|
// Initialize STS.
|
|
sts := &stsAPIHandlers{}
|
|
|
|
// STS Router
|
|
stsRouter := router.NewRoute().PathPrefix(SlashSeparator).Subrouter()
|
|
|
|
// Assume roles with no JWT, handles AssumeRole.
|
|
stsRouter.Methods(http.MethodPost).MatcherFunc(func(r *http.Request, rm *mux.RouteMatch) bool {
|
|
ctypeOk := wildcard.MatchSimple("application/x-www-form-urlencoded*", r.Header.Get(xhttp.ContentType))
|
|
authOk := wildcard.MatchSimple(signV4Algorithm+"*", r.Header.Get(xhttp.Authorization))
|
|
noQueries := len(r.URL.Query()) == 0
|
|
return ctypeOk && authOk && noQueries
|
|
}).HandlerFunc(httpTraceAll(sts.AssumeRole))
|
|
|
|
// Assume roles with JWT handler, handles both ClientGrants and WebIdentity.
|
|
stsRouter.Methods(http.MethodPost).MatcherFunc(func(r *http.Request, rm *mux.RouteMatch) bool {
|
|
ctypeOk := wildcard.MatchSimple("application/x-www-form-urlencoded*", r.Header.Get(xhttp.ContentType))
|
|
noQueries := len(r.URL.Query()) == 0
|
|
return ctypeOk && noQueries
|
|
}).HandlerFunc(httpTraceAll(sts.AssumeRoleWithJWT))
|
|
|
|
// AssumeRoleWithClientGrants
|
|
stsRouter.Methods(http.MethodPost).HandlerFunc(httpTraceAll(sts.AssumeRoleWithClientGrants)).
|
|
Queries(stsAction, clientGrants).
|
|
Queries(stsVersion, stsAPIVersion).
|
|
Queries(stsToken, "{Token:.*}")
|
|
|
|
// AssumeRoleWithWebIdentity
|
|
stsRouter.Methods(http.MethodPost).HandlerFunc(httpTraceAll(sts.AssumeRoleWithWebIdentity)).
|
|
Queries(stsAction, webIdentity).
|
|
Queries(stsVersion, stsAPIVersion).
|
|
Queries(stsWebIdentityToken, "{Token:.*}")
|
|
|
|
// AssumeRoleWithLDAPIdentity
|
|
stsRouter.Methods(http.MethodPost).HandlerFunc(httpTraceAll(sts.AssumeRoleWithLDAPIdentity)).
|
|
Queries(stsAction, ldapIdentity).
|
|
Queries(stsVersion, stsAPIVersion).
|
|
Queries(stsLDAPUsername, "{LDAPUsername:.*}").
|
|
Queries(stsLDAPPassword, "{LDAPPassword:.*}")
|
|
}
|
|
|
|
func checkAssumeRoleAuth(ctx context.Context, r *http.Request) (user auth.Credentials, stsErr STSErrorCode) {
|
|
switch getRequestAuthType(r) {
|
|
default:
|
|
return user, ErrSTSAccessDenied
|
|
case authTypeSigned:
|
|
s3Err := isReqAuthenticated(ctx, r, globalServerRegion, serviceSTS)
|
|
if STSErrorCode(s3Err) != ErrSTSNone {
|
|
return user, STSErrorCode(s3Err)
|
|
}
|
|
var owner bool
|
|
user, owner, s3Err = getReqAccessKeyV4(r, globalServerRegion, serviceSTS)
|
|
if STSErrorCode(s3Err) != ErrSTSNone {
|
|
return user, STSErrorCode(s3Err)
|
|
}
|
|
// Root credentials are not allowed to use STS API
|
|
if owner {
|
|
return user, ErrSTSAccessDenied
|
|
}
|
|
}
|
|
|
|
// Session tokens are not allowed in STS AssumeRole requests.
|
|
if getSessionToken(r) != "" {
|
|
return user, ErrSTSAccessDenied
|
|
}
|
|
|
|
return user, ErrSTSNone
|
|
}
|
|
|
|
// AssumeRole - implementation of AWS STS API AssumeRole to get temporary
|
|
// credentials for regular users on Minio.
|
|
// https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html
|
|
func (sts *stsAPIHandlers) AssumeRole(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, w, "AssumeRole")
|
|
|
|
user, stsErr := checkAssumeRoleAuth(ctx, r)
|
|
if stsErr != ErrSTSNone {
|
|
writeSTSErrorResponse(ctx, w, stsErr, nil)
|
|
return
|
|
}
|
|
if err := r.ParseForm(); err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
if r.Form.Get(stsVersion) != stsAPIVersion {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSMissingParameter, fmt.Errorf("Invalid STS API version %s, expecting %s", r.Form.Get(stsVersion), stsAPIVersion))
|
|
return
|
|
}
|
|
|
|
action := r.Form.Get(stsAction)
|
|
switch action {
|
|
case assumeRole:
|
|
default:
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Unsupported action %s", action))
|
|
return
|
|
}
|
|
|
|
ctx = newContext(r, w, action)
|
|
defer logger.AuditLog(w, r, action, nil)
|
|
|
|
sessionPolicyStr := r.Form.Get(stsPolicy)
|
|
// https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html
|
|
// The plain text that you use for both inline and managed session
|
|
// policies shouldn't exceed 2048 characters.
|
|
if len(sessionPolicyStr) > 2048 {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Session policy shouldn't exceed 2048 characters"))
|
|
return
|
|
}
|
|
|
|
if len(sessionPolicyStr) > 0 {
|
|
sessionPolicy, err := iampolicy.ParseConfig(bytes.NewReader([]byte(sessionPolicyStr)))
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
// Version in policy must not be empty
|
|
if sessionPolicy.Version == "" {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Version cannot be empty expecting '2012-10-17'"))
|
|
return
|
|
}
|
|
}
|
|
|
|
var err error
|
|
m := make(map[string]interface{})
|
|
m[expClaim], err = openid.GetDefaultExpiration(r.Form.Get(stsDurationSeconds))
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
policies, err := globalIAMSys.PolicyDBGet(user.AccessKey, false)
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
policyName := ""
|
|
if len(policies) > 0 {
|
|
policyName = policies[0]
|
|
}
|
|
|
|
// This policy is the policy associated with the user
|
|
// requesting for temporary credentials. The temporary
|
|
// credentials will inherit the same policy requirements.
|
|
m[iamPolicyName()] = policyName
|
|
|
|
if len(sessionPolicyStr) > 0 {
|
|
m[iampolicy.SessionPolicyName] = base64.StdEncoding.EncodeToString([]byte(sessionPolicyStr))
|
|
}
|
|
|
|
secret := globalActiveCred.SecretKey
|
|
cred, err := auth.GetNewCredentialsWithMetadata(m, secret)
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
|
|
return
|
|
}
|
|
|
|
// Set the newly generated credentials.
|
|
if err = globalIAMSys.SetTempUser(cred.AccessKey, cred, policyName); err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
|
|
return
|
|
}
|
|
|
|
// Notify all other MinIO peers to reload temp users
|
|
for _, nerr := range globalNotificationSys.LoadUser(cred.AccessKey, true) {
|
|
if nerr.Err != nil {
|
|
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
|
|
logger.LogIf(ctx, nerr.Err)
|
|
}
|
|
}
|
|
|
|
assumeRoleResponse := &AssumeRoleResponse{
|
|
Result: AssumeRoleResult{
|
|
Credentials: cred,
|
|
},
|
|
}
|
|
|
|
assumeRoleResponse.ResponseMetadata.RequestID = w.Header().Get(xhttp.AmzRequestID)
|
|
writeSuccessResponseXML(w, encodeResponse(assumeRoleResponse))
|
|
}
|
|
|
|
func (sts *stsAPIHandlers) AssumeRoleWithJWT(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, w, "AssumeRoleJWTCommon")
|
|
|
|
// Parse the incoming form data.
|
|
if err := r.ParseForm(); err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
if r.Form.Get(stsVersion) != stsAPIVersion {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSMissingParameter, fmt.Errorf("Invalid STS API version %s, expecting %s", r.Form.Get("Version"), stsAPIVersion))
|
|
return
|
|
}
|
|
|
|
action := r.Form.Get(stsAction)
|
|
switch action {
|
|
case clientGrants, webIdentity:
|
|
default:
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Unsupported action %s", action))
|
|
return
|
|
}
|
|
|
|
ctx = newContext(r, w, action)
|
|
defer logger.AuditLog(w, r, action, nil)
|
|
|
|
if globalOpenIDValidators == nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSNotInitialized, errServerNotInitialized)
|
|
return
|
|
}
|
|
|
|
v, err := globalOpenIDValidators.Get("jwt")
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
token := r.Form.Get(stsToken)
|
|
if token == "" {
|
|
token = r.Form.Get(stsWebIdentityToken)
|
|
}
|
|
|
|
m, err := v.Validate(token, r.Form.Get(stsDurationSeconds))
|
|
if err != nil {
|
|
switch err {
|
|
case openid.ErrTokenExpired:
|
|
switch action {
|
|
case clientGrants:
|
|
writeSTSErrorResponse(ctx, w, ErrSTSClientGrantsExpiredToken, err)
|
|
case webIdentity:
|
|
writeSTSErrorResponse(ctx, w, ErrSTSWebIdentityExpiredToken, err)
|
|
}
|
|
return
|
|
case auth.ErrInvalidDuration:
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
sessionPolicyStr := r.Form.Get(stsPolicy)
|
|
// https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRoleWithWebIdentity.html
|
|
// The plain text that you use for both inline and managed session
|
|
// policies shouldn't exceed 2048 characters.
|
|
if len(sessionPolicyStr) > 2048 {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Session policy should not exceed 2048 characters"))
|
|
return
|
|
}
|
|
|
|
if len(sessionPolicyStr) > 0 {
|
|
sessionPolicy, err := iampolicy.ParseConfig(bytes.NewReader([]byte(sessionPolicyStr)))
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
// Version in policy must not be empty
|
|
if sessionPolicy.Version == "" {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Invalid session policy version"))
|
|
return
|
|
}
|
|
}
|
|
|
|
if len(sessionPolicyStr) > 0 {
|
|
m[iampolicy.SessionPolicyName] = base64.StdEncoding.EncodeToString([]byte(sessionPolicyStr))
|
|
}
|
|
|
|
secret := globalActiveCred.SecretKey
|
|
cred, err := auth.GetNewCredentialsWithMetadata(m, secret)
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
|
|
return
|
|
}
|
|
|
|
// JWT has requested a custom claim with policy value set.
|
|
// This is a MinIO STS API specific value, this value should
|
|
// be set and configured on your identity provider as part of
|
|
// JWT custom claims.
|
|
var policyName string
|
|
if v, ok := m[iamPolicyName()]; ok {
|
|
policyName, _ = v.(string)
|
|
}
|
|
|
|
var subFromToken string
|
|
if v, ok := m[subClaim]; ok {
|
|
subFromToken, _ = v.(string)
|
|
}
|
|
|
|
// Set the newly generated credentials.
|
|
if err = globalIAMSys.SetTempUser(cred.AccessKey, cred, policyName); err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
|
|
return
|
|
}
|
|
|
|
// Notify all other MinIO peers to reload temp users
|
|
for _, nerr := range globalNotificationSys.LoadUser(cred.AccessKey, true) {
|
|
if nerr.Err != nil {
|
|
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
|
|
logger.LogIf(ctx, nerr.Err)
|
|
}
|
|
}
|
|
|
|
var encodedSuccessResponse []byte
|
|
switch action {
|
|
case clientGrants:
|
|
clientGrantsResponse := &AssumeRoleWithClientGrantsResponse{
|
|
Result: ClientGrantsResult{
|
|
Credentials: cred,
|
|
SubjectFromToken: subFromToken,
|
|
},
|
|
}
|
|
clientGrantsResponse.ResponseMetadata.RequestID = w.Header().Get(xhttp.AmzRequestID)
|
|
encodedSuccessResponse = encodeResponse(clientGrantsResponse)
|
|
case webIdentity:
|
|
webIdentityResponse := &AssumeRoleWithWebIdentityResponse{
|
|
Result: WebIdentityResult{
|
|
Credentials: cred,
|
|
SubjectFromWebIdentityToken: subFromToken,
|
|
},
|
|
}
|
|
webIdentityResponse.ResponseMetadata.RequestID = w.Header().Get(xhttp.AmzRequestID)
|
|
encodedSuccessResponse = encodeResponse(webIdentityResponse)
|
|
}
|
|
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
}
|
|
|
|
// AssumeRoleWithWebIdentity - implementation of AWS STS API supporting OAuth2.0
|
|
// users from web identity provider such as Facebook, Google, or any OpenID
|
|
// Connect-compatible identity provider.
|
|
//
|
|
// Eg:-
|
|
// $ curl https://minio:9000/?Action=AssumeRoleWithWebIdentity&WebIdentityToken=<jwt>
|
|
func (sts *stsAPIHandlers) AssumeRoleWithWebIdentity(w http.ResponseWriter, r *http.Request) {
|
|
sts.AssumeRoleWithJWT(w, r)
|
|
}
|
|
|
|
// AssumeRoleWithClientGrants - implementation of AWS STS extension API supporting
|
|
// OAuth2.0 client credential grants.
|
|
//
|
|
// Eg:-
|
|
// $ curl https://minio:9000/?Action=AssumeRoleWithClientGrants&Token=<jwt>
|
|
func (sts *stsAPIHandlers) AssumeRoleWithClientGrants(w http.ResponseWriter, r *http.Request) {
|
|
sts.AssumeRoleWithJWT(w, r)
|
|
}
|
|
|
|
// AssumeRoleWithLDAPIdentity - implements user auth against LDAP server
|
|
func (sts *stsAPIHandlers) AssumeRoleWithLDAPIdentity(w http.ResponseWriter, r *http.Request) {
|
|
ctx := newContext(r, w, "AssumeRoleWithLDAPIdentity")
|
|
|
|
// Parse the incoming form data.
|
|
if err := r.ParseForm(); err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
if r.Form.Get(stsVersion) != stsAPIVersion {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSMissingParameter, fmt.Errorf("Invalid STS API version %s, expecting %s", r.Form.Get("Version"), stsAPIVersion))
|
|
return
|
|
}
|
|
|
|
action := r.Form.Get(stsAction)
|
|
switch action {
|
|
case ldapIdentity:
|
|
default:
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Unsupported action %s", action))
|
|
return
|
|
}
|
|
|
|
ctx = newContext(r, w, action)
|
|
defer logger.AuditLog(w, r, action, nil)
|
|
|
|
ldapUsername := r.Form.Get(stsLDAPUsername)
|
|
ldapPassword := r.Form.Get(stsLDAPPassword)
|
|
|
|
if ldapUsername == "" || ldapPassword == "" {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSMissingParameter, fmt.Errorf("LDAPUsername and LDAPPassword cannot be empty"))
|
|
return
|
|
}
|
|
|
|
sessionPolicyStr := r.Form.Get(stsPolicy)
|
|
// https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRole.html
|
|
// The plain text that you use for both inline and managed session
|
|
// policies shouldn't exceed 2048 characters.
|
|
if len(sessionPolicyStr) > 2048 {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Session policy should not exceed 2048 characters"))
|
|
return
|
|
}
|
|
|
|
if len(sessionPolicyStr) > 0 {
|
|
sessionPolicy, err := iampolicy.ParseConfig(bytes.NewReader([]byte(sessionPolicyStr)))
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
// Version in policy must not be empty
|
|
if sessionPolicy.Version == "" {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Version needs to be specified in session policy"))
|
|
return
|
|
}
|
|
}
|
|
|
|
ldapConn, err := globalLDAPConfig.Connect()
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("LDAP server connection failure: %w", err))
|
|
return
|
|
}
|
|
if ldapConn == nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("LDAP server not configured: %w", err))
|
|
return
|
|
}
|
|
|
|
usernameSubs, _ := xldap.NewSubstituter("username", ldapUsername)
|
|
// We ignore error below as we already validated the username
|
|
// format string at startup.
|
|
usernameDN, _ := usernameSubs.Substitute(globalLDAPConfig.UsernameFormat)
|
|
// Bind with user credentials to validate the password
|
|
if err = ldapConn.Bind(usernameDN, ldapPassword); err != nil {
|
|
err = fmt.Errorf("LDAP authentication failure: %w", err)
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, err)
|
|
return
|
|
}
|
|
|
|
groups := []string{}
|
|
if globalLDAPConfig.GroupSearchFilter != "" {
|
|
// Verified user credentials. Now we find the groups they are
|
|
// a member of.
|
|
searchSubs, _ := xldap.NewSubstituter(
|
|
"username", ldapUsername,
|
|
"usernamedn", usernameDN,
|
|
)
|
|
// We ignore error below as we already validated the search string
|
|
// at startup.
|
|
groupSearchFilter, _ := searchSubs.Substitute(globalLDAPConfig.GroupSearchFilter)
|
|
baseDN, _ := searchSubs.Substitute(globalLDAPConfig.GroupSearchBaseDN)
|
|
searchRequest := ldap.NewSearchRequest(
|
|
baseDN,
|
|
ldap.ScopeWholeSubtree, ldap.NeverDerefAliases, 0, 0, false,
|
|
groupSearchFilter,
|
|
[]string{globalLDAPConfig.GroupNameAttribute},
|
|
nil,
|
|
)
|
|
|
|
sr, err := ldapConn.Search(searchRequest)
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("LDAP search failure: %w", err))
|
|
return
|
|
}
|
|
for _, entry := range sr.Entries {
|
|
// We only queried one attribute, so we only look up
|
|
// the first one.
|
|
groups = append(groups, entry.Attributes[0].Values...)
|
|
}
|
|
}
|
|
expiryDur := globalLDAPConfig.GetExpiryDuration()
|
|
m := map[string]interface{}{
|
|
expClaim: UTCNow().Add(expiryDur).Unix(),
|
|
ldapUser: ldapUsername,
|
|
ldapGroups: groups,
|
|
}
|
|
|
|
if len(sessionPolicyStr) > 0 {
|
|
m[iampolicy.SessionPolicyName] = base64.StdEncoding.EncodeToString([]byte(sessionPolicyStr))
|
|
}
|
|
|
|
secret := globalActiveCred.SecretKey
|
|
cred, err := auth.GetNewCredentialsWithMetadata(m, secret)
|
|
if err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
|
|
return
|
|
}
|
|
|
|
policyName := ""
|
|
// Set the newly generated credentials.
|
|
if err = globalIAMSys.SetTempUser(cred.AccessKey, cred, policyName); err != nil {
|
|
writeSTSErrorResponse(ctx, w, ErrSTSInternalError, err)
|
|
return
|
|
}
|
|
|
|
// Notify all other MinIO peers to reload temp users
|
|
for _, nerr := range globalNotificationSys.LoadUser(cred.AccessKey, true) {
|
|
if nerr.Err != nil {
|
|
logger.GetReqInfo(ctx).SetTags("peerAddress", nerr.Host.String())
|
|
logger.LogIf(ctx, nerr.Err)
|
|
}
|
|
}
|
|
|
|
ldapIdentityResponse := &AssumeRoleWithLDAPResponse{
|
|
Result: LDAPIdentityResult{
|
|
Credentials: cred,
|
|
},
|
|
}
|
|
ldapIdentityResponse.ResponseMetadata.RequestID = w.Header().Get(xhttp.AmzRequestID)
|
|
encodedSuccessResponse := encodeResponse(ldapIdentityResponse)
|
|
|
|
writeSuccessResponseXML(w, encodedSuccessResponse)
|
|
}
|
|
|