Bugzilla – Attachment 137802 Details for
Bug 27849
Koha::Token may access undefined C4::Context->userenv
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[patch]
Bug 27849: Koha::Token may access undefined C4::Context->userenv
Bug-27849-KohaToken-may-access-undefined-C4Context.patch (text/plain), 1.77 KB, created by
Paul Derscheid
on 2022-07-18 12:46:42 UTC
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Description:
Bug 27849: Koha::Token may access undefined C4::Context->userenv
Filename:
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Creator:
Paul Derscheid
Created:
2022-07-18 12:46:42 UTC
Size:
1.77 KB
patch
obsolete
>From d76e483618415de5af34e3c04f375b23c9b1aa17 Mon Sep 17 00:00:00 2001 >From: MJ Ray <mjr@phonecoop.coop> >Date: Wed, 3 Mar 2021 17:54:42 +0000 >Subject: [PATCH] Bug 27849: Koha::Token may access undefined > C4::Context->userenv > >The _add_default_csrf_params internal function accesses >C4::Context->userenv without checking that it has been defined. I think >not all of the potential callers of it declare that they require a >defined userenv, so we should test and provide defaults for required >values if it is not defined, to avoid some "Can't use an undefined value >as a HASH reference" HTTP 500 Internal Server Errors. > >To test: > >Do anything that requires a form with CSRF token, such as editing your >details. Behaviour should be unchanged. To test the failure case, you >would need some customised code that indirectly generates a CSRF token >before setting the userenv up and I am not sure there is any in released >Koha yet. > >Signed-off-by: Paul Derscheid <paul.derscheid@lmscloud.de> > >Looks good to me. Working as expected. >--- > Koha/Token.pm | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > >diff --git a/Koha/Token.pm b/Koha/Token.pm >index f4334a7223..866bfc3ae4 100644 >--- a/Koha/Token.pm >+++ b/Koha/Token.pm >@@ -214,7 +214,11 @@ sub _add_default_csrf_params { > my ( $params ) = @_; > $params->{session_id} //= ''; > if( !$params->{id} ) { >- $params->{id} = Encode::encode( 'UTF-8', C4::Context->userenv->{id} . $params->{session_id} ); >+ if( defined( C4::Context->userenv ) ) { >+ $params->{id} = Encode::encode( 'UTF-8', C4::Context->userenv->{id} . $params->{session_id} ); >+ } else { >+ $params->{id} = Encode::encode( 'UTF-8', $params->{session_id} ); >+ } > } else { > $params->{id} .= $params->{session_id}; > } >-- >2.20.1
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