[wp-trac] [WordPress Trac] #64926: REST API: GET requests fail object/array schema validation when params are JSON-serialized strings

[WordPress Trac]

#64926: REST API: GET requests fail object/array schema validation when params are
JSON-serialized strings
-------------------------+-------------------------------------------------
 Reporter:  dsmy         |       Owner:  (none)
     Type:  defect       |      Status:  new
  (bug)                  |
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  REST API     |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:  javascript, rest-api, php-
                         |  compatibility
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Comment (by abcd95):

 IMO, placing the decode at the top of the function misses `anyOf/oneOf`
 schemas with no top-level type, and the $type resolves to `''` and the
 block is skipped on the initial call. It only works because recursive
 calls from rest_find_any_matching_schema() re-enter with the sub-schema's
 type set.

 Moving the decode inside the switch (validation) and before
 rest_sanitize_array()/rest_sanitize_object() (sanitization) ensures it
 fires after type resolution, regardless of schema.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64926#comment:21>
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