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54 lines
3.0 KiB
Markdown
54 lines
3.0 KiB
Markdown
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# AssumeRoleWithCustomToken [](https://slack.min.io)
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## Introduction
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To integrate with custom authentication methods using the [Identity Management Plugin](../iam/identity-management-plugin.md)), MinIO provides an STS API extension called `AssumeRoleWithCustomToken`.
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After configuring the plugin, use the generated Role ARN with `AssumeRoleWithCustomToken` to get temporary credentials to access object storage.
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## API Request
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To make an STS API request with this method, send a POST request to the MinIO endpoint with following query parameters:
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| Parameter | Type | Required | |
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|-----------------|---------|----------|----------------------------------------------------------------------|
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| Action | String | Yes | Value must be `AssumeRoleWithCustomToken` |
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| Version | String | Yes | Value must be `2011-06-15` |
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| Token | String | Yes | Token to be authenticated by identity plugin |
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| RoleArn | String | Yes | Must match the Role ARN generated for the identity plugin |
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| DurationSeconds | Integer | No | Duration of validity of generated credentials. Must be at least 900. |
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The validity duration of the generated STS credentials is the minimum of the `DurationSeconds` parameter (if passed) and the validity duration returned by the Identity Management Plugin.
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## API Response
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XML response for this API is similar to [AWS STS AssumeRoleWithWebIdentity](https://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRoleWithWebIdentity.html#API_AssumeRoleWithWebIdentity_ResponseElements)
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## Example request and response
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Sample request with `curl`:
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```sh
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curl -XPOST 'http://localhost:9001/?Action=AssumeRoleWithCustomToken&Version=2011-06-15&Token=aaa&RoleArn=arn:minio:iam:::role/idmp-vGxBdLkOc8mQPU1-UQbBh-yWWVQ'
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```
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Prettified Response:
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```xml
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<?xml version="1.0" encoding="UTF-8"?>
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<AssumeRoleWithCustomTokenResponse xmlns="https://sts.amazonaws.com/doc/2011-06-15/">
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<AssumeRoleWithCustomTokenResult>
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<Credentials>
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<AccessKeyId>24Y5H9VHE14H47GEOKCX</AccessKeyId>
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<SecretAccessKey>H+aBfQ9B1AeWWb++84hvp4tlFBo9aP+hUTdLFIeg</SecretAccessKey>
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<Expiration>2022-05-25T19:56:34Z</Expiration>
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<SessionToken>eyJhbGciOiJIUzUxMiIsInR5cCI6IkpXVCJ9.eyJhY2Nlc3NLZXkiOiIyNFk1SDlWSEUxNEg0N0dFT0tDWCIsImV4cCI6MTY1MzUwODU5NCwiZ3JvdXBzIjpbImRhdGEtc2NpZW5jZSJdLCJwYXJlbnQiOiJjdXN0b206QWxpY2UiLCJyb2xlQXJuIjoiYXJuOm1pbmlvOmlhbTo6OnJvbGUvaWRtcC14eHgiLCJzdWIiOiJjdXN0b206QWxpY2UifQ.1tO1LmlUNXiy-wl-ZbkJLWTpaPlhaGqHehsi21lNAmAGCImHHsPb-GA4lRq6GkvHAODN5ZYCf_S-OwpOOdxFwA</SessionToken>
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</Credentials>
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<AssumedUser>custom:Alice</AssumedUser>
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</AssumeRoleWithCustomTokenResult>
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<ResponseMetadata>
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<RequestId>16F26E081E36DE63</RequestId>
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</ResponseMetadata>
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</AssumeRoleWithCustomTokenResponse>
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```
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