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post queries: raise error on invalid searches.

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Raise an error if the search is invalid for one of the following reasons:

* It contains multiple conflicting order: metatags (e.g. `order:score order:favcount` or `ordfav:a ordfav:b`).
* It contains a metatag that can't be used more than once: (e.g. `limit:5 limit:10`, `random:5 random:10`).
* It contains a metatag that can't be negated (e.g. `-order:score`, `-limit:20`, or `-random:20`).
* It contains a metatag that can't be used in an OR clause (e.g. ` touhou or order:score`, `touhou or limit:20`, `touhou or random:20`).
This commit is contained in:
evazion
2022-04-09 01:36:44 -05:00
parent c45d1d42c2
commit eca0ab04f7
6 changed files with 123 additions and 29 deletions
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2
app/controllers/application_controller.rb
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@@ -130,7 +130,7 @@ class ApplicationController < ActionController::Base
render_error_page(406, exception, message: "#{request.format} is not a supported format for this page")
when PaginationExtension::PaginationError
render_error_page(410, exception, template: "static/pagination_error", message: "You cannot go beyond page #{CurrentUser.user.page_limit}.")
when PostQueryBuilder::TagLimitError
when PostQuery::TagLimitError
render_error_page(422, exception, template: "static/tag_limit_error", message: "You cannot search for more than #{CurrentUser.tag_query_limit} tags at a time.")
when RateLimiter::RateLimitError
render_error_page(429, exception, message: "Rate limit exceeded. You're doing that too fast")