From e595f3c41afd93472c0cef7a259c9be65912f9fb Mon Sep 17 00:00:00 2001
From: Frank Lichtenheld <frank@lichtenheld.de>
Date: Sat, 14 Apr 2007 14:58:09 +0200
Subject: [PATCH] dispatcher.pl: Add some backwards compatibility handling

Try to show something useful if the user reaches us over
an older /cgi-bin/search_* URL.
---
 cgi-bin/dispatcher.pl   | 30 +++++++++++++++++++++++++++++-
 conf/apache.conf.sed.in |  5 ++++-
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/cgi-bin/dispatcher.pl b/cgi-bin/dispatcher.pl
index b563dc5..4b413d7 100755
--- a/cgi-bin/dispatcher.pl
+++ b/cgi-bin/dispatcher.pl
@@ -26,7 +26,7 @@ use Deb::Versions;
 use Packages::Config qw( $DBDIR $ROOT $TEMPLATEDIR $CACHEDIR
 			 @SUITES @SECTIONS @ARCHIVES @ARCHITECTURES @PRIORITIES
 			 @LANGUAGES $LOCALES );
-use Packages::CGI qw( :DEFAULT get_all_messages );
+use Packages::CGI qw( :DEFAULT error get_all_messages );
 use Packages::DB;
 use Packages::Search qw( :all );
 use Packages::Template ();
@@ -83,6 +83,32 @@ debug( "LANGUAGES=@LANGUAGES header=".
 bindtextdomain ( 'pdo', $LOCALES );
 textdomain( 'pdo' );
 
+# backwards compatibility stuff
+debug( "SCRIPT_URL=$ENV{SCRIPT_URL} SCRIPT_URI=$ENV{SCRIPT_URI}" ) if DEBUG;
+
+if ($ENV{SCRIPT_URL} =~ m|^/cgi-bin/search_|) {
+    error( "You reached this site over an old URL. ".
+	   "Depending on the exact parameters your search might work or not." );
+    # contents search changed a lot
+    if ($ENV{SCRIPT_URL} =~ m|^/cgi-bin/search_contents|) {
+	$input->param('keywords',$input->param('word')) if $input->param('word');
+	$input->param('searchon','contents');
+	for ($input->param('searchmode')) {
+	    /^searchfiles/ && do {
+		$input->param('mode','filename');
+		last;
+	    };
+	    /^filelist/ && do {
+		$ENV{PATH_INFO} = '/'.join('/',($input->param('version')||'stable',
+						$input->param('keywords'),
+						$input->param('arch')||'i386',
+						'filelist' ));
+		$input->delete('searchon','version','keywords','arch');
+		last;
+	    };
+	}
+    }
+}
 if ($ENV{is_reportbug}) {
     $input->param('exact', 1);
     debug( "reportbug detected, set paramater exact to '1'" ) if DEBUG;
@@ -93,6 +119,8 @@ my $source = 0;
 if (my $path = $input->path_info() || $input->param('PATH_INFO')) {
     my @components = grep { $_ } map { lc $_ } split /\/+/, $path;
 
+    debug( "PATH_INFO=$path components=@components", 3) if DEBUG;
+
     push @components, 'index' if @components && $path =~ m,/$,;
 
     my %LANGUAGES = map { $_ => 1 } @LANGUAGES;
diff --git a/conf/apache.conf.sed.in b/conf/apache.conf.sed.in
index 48bdde3..56dd359 100644
--- a/conf/apache.conf.sed.in
+++ b/conf/apache.conf.sed.in
@@ -106,8 +106,11 @@
    RewriteLog /var/log/apache2/rewrite.log
    RewriteLogLevel 0
 
+   RewriteRule ^/cgi-bin/search_packages.pl(.*)$ /search$1
+   RewriteRule ^/cgi-bin/search_contents.pl(.*)$ /search$1
+
    # we never want to rewrite those URLs
-   RewriteRule ^/cgi-(bin|old)/ - [L]
+   RewriteRule ^/cgi-bin/dispatcher.pl - [L]
    RewriteRule ^/changelogs/ - [L]
    RewriteRule ^/Pics/ - [L]
    RewriteRule ^/about/ - [L]
-- 
2.39.2