Bad request returned for percent-encoded get_by_attribute

[roman-khimov]

Current Behavior

https://rest.fs.neo.org/7ZVSQHtioVRiDT2btN9xEmQhczXV9vryCEAHUawfD8Sc/7-1712215152/index.html#suites/4f5ca4977289636df3b53e1debc15dcf/84697d2930280bd1/

Exception: Failed to get object via HTTP gate:
request: /v1/get_by_attribute/A9pnctophx5PFt4eUd8d2aa6otjgnQZNzyvt3HCeygFD/cat%25jpeg/cat%25jpeg,
response: {"message":"Invalid format for parameter attrKey: error unescaping path parameter 'attrKey': invalid URL escape "%jp""}
,
status code: 400 Bad Request

Expected Behavior

No error, the URL seems to be fine here.

[smallhive]

The short problem description is double parameter unescaping.

Let's talk about the details. The incoming request has URI value /v1/get_by_attribute/29o9cpj1qo7KWFrrqpw3LtUe4o91TYWcf5mHv7ZGMLKL/cat%25jpeg/cat%25jpeg.

Standart HTTP lib reads the request and makes the first unescape approach. On this step, the URI changed to /v1/get_by_attribute/A9pnctophx5PFt4eUd8d2aa6otjgnQZNzyvt3HCeygFD/cat%jpeg/cat%jpeg.
The next step processes swagger parameters and BindStyledParameterWithOptions tries unescape the variable cat%jpeg one more time.

It sees the % symbol and tries to represent it as a valid escape symbol. Unfortunately %jp is not a valid symbol.
As a result, we have error {"message": "Invalid format for parameter attrKey: error unescaping path parameter 'attrKey': invalid URL escape \"%jp\"}

I hope the allowReserved keyword will help us, but it is still not implemented oapi-codegen/oapi-codegen#1342.

Fast and in some way a dirty hack is using double parameter escaping in case it contains %.
The next version works fine /v1/get_by_attribute/29o9cpj1qo7KWFrrqpw3LtUe4o91TYWcf5mHv7ZGMLKL/cat%2525jpeg/cat%2525jpeg.

Also, the testcases should be updated to use the latest REST gate version for tests. Actual is 0.8.3, tests are using 0.6.0

[roman-khimov]

We can't solve it at the moment, dependencies need to be fixed and updated.