From 9a5a196d79ed8692c45595c4e3d42e34571bc3a7 Mon Sep 17 00:00:00 2001
From: Frédéric Buclin <LpSolit@gmail.com>
Date: Tue, 17 Apr 2012 20:56:41 +0200
Subject: Bug 745197: Add a hook in Bugzilla::Error::_throw_error() so that
 extensions can control the way to throw errors r=dkl a=LpSolit

---
 extensions/Example/Extension.pm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

(limited to 'extensions/Example')

diff --git a/extensions/Example/Extension.pm b/extensions/Example/Extension.pm
index 5cd6a1d29..62fb345d9 100644
--- a/extensions/Example/Extension.pm
+++ b/extensions/Example/Extension.pm
@@ -340,6 +340,25 @@ sub enter_bug_entrydefaultvars {
     $vars->{'example'} = 1;
 }
 
+sub error_catch {
+    my ($self, $args) = @_;
+    # Customize the error message displayed when someone tries to access
+    # page.cgi with an invalid page ID, and keep track of this attempt
+    # in the web server log.
+    return unless Bugzilla->error_mode == ERROR_MODE_WEBPAGE;
+    return unless $args->{error} eq 'bad_page_cgi_id';
+
+    my $page_id = $args->{vars}->{page_id};
+    my $login = Bugzilla->user->identity || "Someone";
+    warn "$login attempted to access page.cgi with id = $page_id";
+
+    my $page = $args->{message};
+    my $new_error_msg = "Ah ah, you tried to access $page_id? Good try!";
+    $new_error_msg = html_quote($new_error_msg);
+    # There are better tools to parse an HTML page, but it's just an example.
+    $$page =~ s/(?<=<td id="error_msg" class="throw_error">).*(?=<\/td>)/$new_error_msg/si;
+}
+
 sub flag_end_of_update {
     my ($self, $args) = @_;
     
-- 
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