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Bug 35129: Return 400 if _per_page=0 passed

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This patch adds a safe guard for when consumers pass _per_page=0 to
endpoints. This condition is checked for on a centralized place and
avoid reaching the controller in such scenarios that would provoke a
division by zero exception.

To test:
1. Apply the regression tests patch
2. Run:
   $ ktd --shell
  k$ prove t/db_dependent/api/v1/pagination.t
=> FAIL: We expect a 400, but get a 500 instead
3. Apply this patch
4. Repeat 2
=> SUCCESS: Tests pass! No more explosions for this!
5. Sign off :-D

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Laura Escamilla <laura.escamilla@bywatersolutions.com>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
(cherry picked from commit 308bb0830c)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
This commit is contained in:
Tomás Cohen Arazi 2024-03-18 12:49:20 -03:00 committed by Fridolin Somers
parent 9e8657aba7
commit b1e9ef93f2
1 changed files with 3 additions and 0 deletions
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3
Koha/REST/V1/Auth.pm
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@ -352,6 +352,9 @@ sub validate_query_parameters {
push @errors, { path => "/query/" . $param, message => 'Malformed query string' } unless exists $valid_parameters{$param};
}
push @errors, { path => "/query/_per_page", message => 'Invalid value: 0' }
if exists $existing_params->{_per_page} && $existing_params->{_per_page} == 0;
Koha::Exceptions::BadParameter->throw(
error => \@errors
) if @errors;