Added a comment: Solution

[git.ikiwiki.info.git] / IkiWiki / CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index 5baa6c1798ef02e1f45680daa032da17674fafb0..2c5b4a84d13ea5e36673f242ed30e51b7f441eab 100644 (file)
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -58,12 +58,10 @@ sub cgitemplate ($$$;@) {
        
        my $template=template("page.tmpl");
 
-       my $topurl = defined $cgi ? $cgi->url : $config{url};
-
        my $page="";
        if (exists $params{page}) {
                $page=delete $params{page};
-               $params{forcebaseurl}=urlabs(urlto($page), $topurl);
+               $params{forcebaseurl}=urlto($page);
        }
        run_hooks(pagetemplate => sub {
                shift->(
@@ -74,12 +72,14 @@ sub cgitemplate ($$$;@) {
        });
        templateactions($template, "");
 
+       my $baseurl = baseurl();
+
        $template->param(
                dynamic => 1,
                title => $title,
                wikiname => $config{wikiname},
                content => $content,
-               baseurl => urlabs(baseurl(), $topurl),
+               baseurl => $baseurl,
                html5 => $config{html5},
                %params,
        );
@@ -90,7 +90,13 @@ sub cgitemplate ($$$;@) {
 sub redirect ($$) {
        my $q=shift;
        eval q{use URI};
-       my $url=URI->new(urlabs(shift, $q->url));
+
+       my $topurl = $config{cgiurl};
+       if (defined $q && ! $config{w3mmode} && ! $config{reverse_proxy}) {
+               $topurl = $q->url;
+       }
+
+       my $url=URI->new(urlabs(shift, $topurl));
        if (! $config{w3mmode}) {
                print $q->redirect($url);
        }
@@ -105,16 +111,27 @@ sub decode_cgi_utf8 ($) {
        if ($] < 5.01) {
                my $cgi = shift;
                foreach my $f ($cgi->param) {
-                       $cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
+                       $cgi->param($f, map { decode_utf8 $_ }
+                               @{$cgi->param_fetch($f)});
                }
        }
 }
 
+sub safe_decode_utf8 ($) {
+    my $octets = shift;
+    if (!Encode::is_utf8($octets)) {
+        return decode_utf8($octets);
+    }
+    else {
+        return $octets;
+    }
+}
+
 sub decode_form_utf8 ($) {
        if ($] >= 5.01) {
                my $form = shift;
                foreach my $f ($form->field) {
-                       my @value=map { decode_utf8($_) } $form->field($f);
+                       my @value=map { safe_decode_utf8($_) } $form->field($f);
                        $form->field(name  => $f,
                                     value => \@value,
                                     force => 1,
@@ -129,7 +146,7 @@ sub needsignin ($$) {
        my $q=shift;
        my $session=shift;
 
-       if (! defined $session->param("name") ||
+       if (! length $session->param("name") ||
            ! userinfo_get($session->param("name"), "regdate")) {
                $session->param(postsignin => $q->query_string);
                cgi_signin($q, $session);
@@ -200,7 +217,7 @@ sub cgi_postsignin ($$) {
                        error(gettext("probable misconfiguration: sslcookie is set, but you are attempting to login via http, not https"));
                }
                else {
-                       error(gettext("login failed, perhaps you need to turn on cookies?"));
+                       error(gettext("Login succeeded, but I don't remember why you were logging in, so you'll have to navigate back to whatever you were doing. (This should not normally happen. Perhaps you need to enable cookies?)"));
                }
        }
 }
@@ -277,8 +294,9 @@ sub cgi_prefs ($$) {
                return;
        }
        elsif ($form->submitted eq 'Save Preferences' && $form->validate) {
-               if (defined $form->field('email')) {
-                       userinfo_set($user_name, 'email', $form->field('email')) ||
+               my $email = $form->field('email');
+               if (defined $email) {
+                       userinfo_set($user_name, 'email', $email) ||
                                error("failed to set email");
                }
 
@@ -314,16 +332,19 @@ sub check_banned ($$) {
 
        my $banned=0;
        my $name=$session->param("name");
+       my $cloak=cloak($name) if defined $name;
        if (defined $name && 
-           grep { $name eq $_ } @{$config{banned_users}}) {
+           grep { $name eq $_ || $cloak eq $_ } @{$config{banned_users}}) {
                $banned=1;
        }
 
        foreach my $b (@{$config{banned_users}}) {
                if (pagespec_match("", $b,
                        ip => $session->remote_addr(),
-                       name => defined $name ? $name : "",
-               )) {
+                       name => defined $name ? $name : "")
+                  || pagespec_match("", $b,
+                       ip => cloak($session->remote_addr()),
+                       name => defined $cloak ? $cloak : "")) {
                        $banned=1;
                        last;
                }
@@ -351,7 +372,8 @@ sub cgi_getsession ($) {
                        { FileName => "$config{wikistatedir}/sessions.db" })
        };
        if (! $session || $@) {
-               error($@." ".CGI::Session->errstr());
+               my $error = $@;
+               error($error." ".CGI::Session->errstr());
        }
        
        umask($oldmask);
@@ -369,7 +391,7 @@ sub checksessionexpiry ($$) {
 
        if (defined $session->param("name")) {
                my $sid=$q->param('sid');
-               if (! defined $sid || $sid ne $session->id) {
+               if (! defined $sid || $sid ne $session->id || ! length $session->param("name")) {
                        error(gettext("Your login session has expired."));
                }
        }
@@ -390,7 +412,9 @@ sub cgi (;$$) {
 
        eval q{use CGI};
        error($@) if $@;
+       no warnings "once";
        $CGI::DISABLE_UPLOADS=$config{cgi_disable_uploads};
+       use warnings;
 
        if (! $q) {
                binmode(STDIN);
@@ -420,11 +444,11 @@ sub cgi (;$$) {
        }
        
        # Auth hooks can sign a user in.
-       if ($do ne 'signin' && ! defined $session->param("name")) {
+       if ($do ne 'signin' && ! length $session->param("name")) {
                run_hooks(auth => sub {
                        shift->($q, $session)
                });
-               if (defined $session->param("name")) {
+               if (length $session->param("name")) {
                        # Make sure whatever user was authed is in the
                        # userinfo db.
                        if (! userinfo_get($session->param("name"), "regdate")) {
@@ -460,10 +484,14 @@ sub cgi (;$$) {
 sub cgierror ($) {
        my $message=shift;
 
+       eval q{use HTML::Entities};
+       $message = encode_entities($message);
+
        print "Content-type: text/html\n\n";
        print cgitemplate(undef, gettext("Error"),
                "<p class=\"error\">".gettext("Error").": $message</p>");
-       die $@;
+
+       die $message;
 }
 
 1