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gitweb: Add a per-repository authorization hook.

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Add a configuration variable that can be used to specify an
arbitrary subroutine that will be called in the same situations
where $export_ok is checked, and its return value used
to decide whether the repository is to be shown.

This allows the user to implement custom authentication
schemes, for example by issuing a subrequest through mod_perl
and checking if Apache will authorize it.

Signed-off-by: Alexander Gavrilov <angavrilov@gmail.com>
Acked-by: Jakub Narebski <jnareb@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Alexander Gavrilov 2008-11-06 01:36:23 +03:00 committed by Junio C Hamano
parent ec26f098a6
commit dd7f5f105a
2 changed files with 28 additions and 1 deletions
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21
gitweb/INSTALL
View File

@ -166,6 +166,27 @@ Gitweb repositories
shows repositories only if this file exists in its object database
(if directory has the magic file named $export_ok).
- Finally, it is possible to specify an arbitrary perl subroutine that
will be called for each project to determine if it can be exported.
The subroutine receives an absolute path to the project as its only
parameter.
For example, if you use mod_perl to run the script, and have dumb
http protocol authentication configured for your repositories, you
can use the following hook to allow access only if the user is
authorized to read the files:
$export_auth_hook = sub {
use Apache2::SubRequest ();
use Apache2::Const -compile => qw(HTTP_OK);
my $path = "$_[0]/HEAD";
my $r = Apache2::RequestUtil->request;
my $sub = $r->lookup_file($path);
return $sub->filename eq $path
&& $sub->status == Apache2::Const::HTTP_OK;
};
Generating projects list using gitweb
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

8
gitweb/gitweb.perl
View File

@ -95,6 +95,11 @@ our $default_projects_order = "project";
# (only effective if this variable evaluates to true)
our $export_ok = "++GITWEB_EXPORT_OK++";
# show repository only if this subroutine returns true
# when given the path to the project, for example:
# sub { return -e "$_[0]/git-daemon-export-ok"; }
our $export_auth_hook = undef;
# only allow viewing of repositories also shown on the overview page
our $strict_export = "++GITWEB_STRICT_EXPORT++";
@ -400,7 +405,8 @@ sub check_head_link {
sub check_export_ok {
my ($dir) = @_;
return (check_head_link($dir) &&
(!$export_ok || -e "$dir/$export_ok"));
(!$export_ok || -e "$dir/$export_ok") &&
(!$export_auth_hook || $export_auth_hook->($dir)));
}
# process alternate names for backward compatibility