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a0456ce940
Add LDAP based users-groups system This change adds support to integrate an LDAP server for user authentication. This works via a custom STS API for LDAP. Each user accessing the MinIO who can be authenticated via LDAP receives temporary credentials to access the MinIO server. LDAP is enabled only over TLS. User groups are also supported via LDAP. The administrator may configure an LDAP search query to find the group attribute of a user - this may correspond to any attribute in the LDAP tree (that the user has access to view). One or more groups may be returned by such a query. A group is mapped to an IAM policy in the usual way, and the server enforces a policy corresponding to all the groups and the user's own mapped policy. When LDAP is configured, the internal MinIO users system is disabled.
193 lines
8.7 KiB
Go
193 lines
8.7 KiB
Go
/*
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* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"encoding/xml"
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"github.com/minio/minio/pkg/auth"
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)
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// AssumedRoleUser - The identifiers for the temporary security credentials that
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// the operation returns. Please also see https://docs.aws.amazon.com/goto/WebAPI/sts-2011-06-15/AssumedRoleUser
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type AssumedRoleUser struct {
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// The ARN of the temporary security credentials that are returned from the
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// AssumeRole action. For more information about ARNs and how to use them in
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// policies, see IAM Identifiers (http://docs.aws.amazon.com/IAM/latest/UserGuide/reference_identifiers.html)
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// in Using IAM.
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//
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// Arn is a required field
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Arn string
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// A unique identifier that contains the role ID and the role session name of
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// the role that is being assumed. The role ID is generated by AWS when the
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// role is created.
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//
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// AssumedRoleId is a required field
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AssumedRoleID string `xml:"AssumeRoleId"`
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// contains filtered or unexported fields
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}
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// AssumeRoleResponse contains the result of successful AssumeRole request.
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type AssumeRoleResponse struct {
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XMLName xml.Name `xml:"https://sts.amazonaws.com/doc/2011-06-15/ AssumeRoleResponse" json:"-"`
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Result AssumeRoleResult `xml:"AssumeRoleResult"`
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ResponseMetadata struct {
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RequestID string `xml:"RequestId,omitempty"`
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} `xml:"ResponseMetadata,omitempty"`
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}
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// AssumeRoleResult - Contains the response to a successful AssumeRole
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// request, including temporary credentials that can be used to make
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// MinIO API requests.
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type AssumeRoleResult struct {
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// The identifiers for the temporary security credentials that the operation
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// returns.
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AssumedRoleUser AssumedRoleUser `xml:",omitempty"`
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// The temporary security credentials, which include an access key ID, a secret
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// access key, and a security (or session) token.
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//
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// Note: The size of the security token that STS APIs return is not fixed. We
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// strongly recommend that you make no assumptions about the maximum size. As
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// of this writing, the typical size is less than 4096 bytes, but that can vary.
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// Also, future updates to AWS might require larger sizes.
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Credentials auth.Credentials `xml:",omitempty"`
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// A percentage value that indicates the size of the policy in packed form.
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// The service rejects any policy with a packed size greater than 100 percent,
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// which means the policy exceeded the allowed space.
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PackedPolicySize int `xml:",omitempty"`
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}
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// AssumeRoleWithWebIdentityResponse contains the result of successful AssumeRoleWithWebIdentity request.
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type AssumeRoleWithWebIdentityResponse struct {
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XMLName xml.Name `xml:"https://sts.amazonaws.com/doc/2011-06-15/ AssumeRoleWithWebIdentityResponse" json:"-"`
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Result WebIdentityResult `xml:"AssumeRoleWithWebIdentityResult"`
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ResponseMetadata struct {
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RequestID string `xml:"RequestId,omitempty"`
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} `xml:"ResponseMetadata,omitempty"`
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}
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// WebIdentityResult - Contains the response to a successful AssumeRoleWithWebIdentity
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// request, including temporary credentials that can be used to make MinIO API requests.
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type WebIdentityResult struct {
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// The identifiers for the temporary security credentials that the operation
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// returns.
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AssumedRoleUser AssumedRoleUser `xml:",omitempty"`
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// The intended audience (also known as client ID) of the web identity token.
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// This is traditionally the client identifier issued to the application that
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// requested the client grants.
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Audience string `xml:",omitempty"`
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// The temporary security credentials, which include an access key ID, a secret
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// access key, and a security (or session) token.
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//
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// Note: The size of the security token that STS APIs return is not fixed. We
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// strongly recommend that you make no assumptions about the maximum size. As
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// of this writing, the typical size is less than 4096 bytes, but that can vary.
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// Also, future updates to AWS might require larger sizes.
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Credentials auth.Credentials `xml:",omitempty"`
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// A percentage value that indicates the size of the policy in packed form.
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// The service rejects any policy with a packed size greater than 100 percent,
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// which means the policy exceeded the allowed space.
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PackedPolicySize int `xml:",omitempty"`
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// The issuing authority of the web identity token presented. For OpenID Connect
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// ID tokens, this contains the value of the iss field. For OAuth 2.0 access tokens,
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// this contains the value of the ProviderId parameter that was passed in the
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// AssumeRoleWithWebIdentity request.
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Provider string `xml:",omitempty"`
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// The unique user identifier that is returned by the identity provider.
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// This identifier is associated with the Token that was submitted
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// with the AssumeRoleWithWebIdentity call. The identifier is typically unique to
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// the user and the application that acquired the WebIdentityToken (pairwise identifier).
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// For OpenID Connect ID tokens, this field contains the value returned by the identity
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// provider as the token's sub (Subject) claim.
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SubjectFromWebIdentityToken string `xml:",omitempty"`
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}
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// AssumeRoleWithClientGrantsResponse contains the result of successful AssumeRoleWithClientGrants request.
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type AssumeRoleWithClientGrantsResponse struct {
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XMLName xml.Name `xml:"https://sts.amazonaws.com/doc/2011-06-15/ AssumeRoleWithClientGrantsResponse" json:"-"`
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Result ClientGrantsResult `xml:"AssumeRoleWithClientGrantsResult"`
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ResponseMetadata struct {
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RequestID string `xml:"RequestId,omitempty"`
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} `xml:"ResponseMetadata,omitempty"`
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}
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// ClientGrantsResult - Contains the response to a successful AssumeRoleWithClientGrants
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// request, including temporary credentials that can be used to make MinIO API requests.
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type ClientGrantsResult struct {
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// The identifiers for the temporary security credentials that the operation
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// returns.
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AssumedRoleUser AssumedRoleUser `xml:",omitempty"`
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// The intended audience (also known as client ID) of the web identity token.
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// This is traditionally the client identifier issued to the application that
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// requested the client grants.
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Audience string `xml:",omitempty"`
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// The temporary security credentials, which include an access key ID, a secret
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// access key, and a security (or session) token.
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//
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// Note: The size of the security token that STS APIs return is not fixed. We
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// strongly recommend that you make no assumptions about the maximum size. As
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// of this writing, the typical size is less than 4096 bytes, but that can vary.
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// Also, future updates to AWS might require larger sizes.
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Credentials auth.Credentials `xml:",omitempty"`
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// A percentage value that indicates the size of the policy in packed form.
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// The service rejects any policy with a packed size greater than 100 percent,
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// which means the policy exceeded the allowed space.
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PackedPolicySize int `xml:",omitempty"`
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// The issuing authority of the web identity token presented. For OpenID Connect
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// ID tokens, this contains the value of the iss field. For OAuth 2.0 access tokens,
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// this contains the value of the ProviderId parameter that was passed in the
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// AssumeRoleWithClientGrants request.
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Provider string `xml:",omitempty"`
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// The unique user identifier that is returned by the identity provider.
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// This identifier is associated with the Token that was submitted
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// with the AssumeRoleWithClientGrants call. The identifier is typically unique to
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// the user and the application that acquired the ClientGrantsToken (pairwise identifier).
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// For OpenID Connect ID tokens, this field contains the value returned by the identity
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// provider as the token's sub (Subject) claim.
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SubjectFromToken string `xml:",omitempty"`
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}
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// AssumeRoleWithLDAPResponse contains the result of successful
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// AssumeRoleWithLDAPIdentity request
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type AssumeRoleWithLDAPResponse struct {
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XMLName xml.Name `xml:"https://sts.amazonaws.com/doc/2011-06-15/ AssumeRoleWithClientGrantsResponse" json:"-"`
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Result LDAPIdentityResult `xml:"AssumeRoleWithLDAPIdentity"`
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ResponseMetadata struct {
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RequestID string `xml:"RequestId,omitempty"`
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} `xml:"ResponseMetadata,omitempty"`
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}
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// LDAPIdentityResult - contains credentials for a successful
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// AssumeRoleWithLDAPIdentity request.
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type LDAPIdentityResult struct {
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Credentials auth.Credentials `xml:",omitempty"`
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}
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