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Merge pull request #152 from matrix-org/daniel/macaroons

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Document macaroon type=login
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Daniel Wagner-Hall 2015-11-10 12:43:36 +00:00
parent 68bec3a61a c8f6ed1107
commit bdf755632e
1 changed files with 23 additions and 14 deletions
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37
drafts/macaroons_caveats.rst
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@ -9,26 +9,35 @@ Caveats can only be used for reducing the scope of a token, never for increasing
Some caveats are specified in this specification, and must be understood by all servers. The use of non-standard caveats is allowed.
All caveats must take the form:
All caveats must take the form::
`key` `operator` `value`
where `key` is a non-empty string drawn from the character set [A-Za-z0-9_]
`operator` is a non-empty string which does not contain whitespace
`value` is a non-empty string
key operator value
where:
- ``key`` is a non-empty string drawn from the character set [A-Za-z0-9_]
- ``operator`` is a non-empty string which does not contain whitespace
- ``value`` is a non-empty string
And these are joined by single space characters.
Specified caveats:
+-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+
| Caveat name | Description | Legal Values |
+-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+
+=============+==================================================+================================================================================================+
| gen | Generation of the macaroon caveat spec. | 1 |
| user_id | ID of the user for which this macaroon is valid. | Pure equality check. Operator must be =. |
| type | The purpose of this macaroon. | access - used to authorize any action except token refresh |
| refresh - only used to authorize a token refresh |
| time | Time before/after which this macaroon is valid. | A POSIX timestamp in milliseconds (in UTC). |
| Operator < means the macaroon is valid before the timestamp, as interpreted by the server. |
| Operator > means the macaroon is valid after the timestamp, as interpreted by the server. |
| Operator == means the macaroon is valid at exactly the timestamp, as interpreted by the server.|
| Note that exact equality of time is largely meaningless. |
+-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+
| user_id | ID of the user for which this macaroon is valid. | Pure equality check. Operator must be =. |
+-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+
| type | The purpose of this macaroon. | - ``access``: used to authorize any action except token refresh |
| | | - ``refresh``: only used to authorize a token refresh |
| | | - ``login``: issued as a very short-lived token by third party login flows; proves that |
| | | authentication has happened but doesn't grant any privileges other than being able to be |
| | | exchanged for other tokens. |
+-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+
| time | Time before/after which this macaroon is valid. | A POSIX timestamp in milliseconds (in UTC). |
| | | Operator < means the macaroon is valid before the timestamp, as interpreted by the server. |
| | | Operator > means the macaroon is valid after the timestamp, as interpreted by the server. |
| | | Operator == means the macaroon is valid at exactly the timestamp, as interpreted by the server.|
| | | Note that exact equality of time is largely meaningless. |
+-------------+--------------------------------------------------+------------------------------------------------------------------------------------------------+