2017-04-06 21:29:29 -04:00
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[[run-as-privilege]]
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=== Submitting Requests on Behalf of Other Users
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{security} supports a permission that enables an authenticated user to submit
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requests on behalf of other users. If your application already authenticates
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users, you can use the _run as_ mechanism to restrict data access according to
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{security} permissions without having to re-authenticate each user through.
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To "run as" (impersonate) another user, you must be able to retrieve the user from
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the realm you use to authenticate. Both the internal `native` and `file` realms
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2017-07-06 23:33:35 -04:00
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support this out of the box. The LDAP realm however must be configured to run in
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_user search_ mode. For more information, see
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<<ldap-user-search, Configuring an LDAP Realm with User Search>>.
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The Active Directory and PKI realms do not support "run as".
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2017-04-06 21:29:29 -04:00
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To submit requests on behalf of other users, you need to have the `run_as`
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permission. For example, the following role grants permission to submit request
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on behalf of `jacknich` or `redeniro`:
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[source,js]
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---------------------------------------------------
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{
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"run_as" : [ "jacknich", "rdeniro" ]
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}
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---------------------------------------------------
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To submit a request as another user, you specify the user in the
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`es-security-runas-user` request header. For example:
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[source,shell]
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---------------------------------------------------
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curl -H "es-security-runas-user: jacknich" -u es_admin -XGET 'http://localhost:9200/'
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---------------------------------------------------
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