new wishlist item, patch included

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

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index a3486cbb40034cafc2fcdedd32c828626261339d..04f24b04f986c2618b0cbf619e09ba7dfbff58ee 100644 (file)
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -9,7 +9,7 @@ use IkiWiki::UserInfo;
 use open qw{:utf8 :std};
 use Encode;
 
 use open qw{:utf8 :std};
 use Encode;
 

-sub printheader ($) { #{{{
+sub printheader ($) {

        my $session=shift;
        
        if ($config{sslcookie}) {
        my $session=shift;
        
        if ($config{sslcookie}) {


@@ -19,9 +19,9 @@ sub printheader ($) { #{{{
                print $session->header(-charset => 'utf-8',
                        -cookie => $session->cookie(-httponly => 1));
        }
                print $session->header(-charset => 'utf-8',
                        -cookie => $session->cookie(-httponly => 1));
        }

-} #}}}
+}

 
 

-sub showform ($$$$;@) { #{{{
+sub showform ($$$$;@) {

        my $form=shift;
        my $buttons=shift;
        my $session=shift;
        my $form=shift;
        my $buttons=shift;
        my $session=shift;


@@ -38,7 +38,7 @@ sub showform ($$$$;@) { #{{{
        print misctemplate($form->title, $form->render(submit => $buttons), @_);
 }
 
        print misctemplate($form->title, $form->render(submit => $buttons), @_);
 }
 

-sub redirect ($$) { #{{{
+sub redirect ($$) {

        my $q=shift;
        my $url=shift;
        if (! $config{w3mmode}) {
        my $q=shift;
        my $url=shift;
        if (! $config{w3mmode}) {


@@ -48,9 +48,9 @@ sub redirect ($$) { #{{{
                print "Content-type: text/plain\n";
                print "W3m-control: GOTO $url\n\n";
        }
                print "Content-type: text/plain\n";
                print "W3m-control: GOTO $url\n\n";
        }

-} #}}}
+}

 
 

-sub decode_cgi_utf8 ($) { #{{{
+sub decode_cgi_utf8 ($) {

        # decode_form_utf8 method is needed for 5.10
        if ($] < 5.01) {
                my $cgi = shift;
        # decode_form_utf8 method is needed for 5.10
        if ($] < 5.01) {
                my $cgi = shift;


@@ -58,9 +58,9 @@ sub decode_cgi_utf8 ($) { #{{{
                        $cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
                }
        }
                        $cgi->param($f, map { decode_utf8 $_ } $cgi->param($f));
                }
        }

-} #}}}
+}

 
 

-sub decode_form_utf8 ($) { #{{{
+sub decode_form_utf8 ($) {

        if ($] >= 5.01) {
                my $form = shift;
                foreach my $f ($form->field) {
        if ($] >= 5.01) {
                my $form = shift;
                foreach my $f ($form->field) {


@@ -70,11 +70,11 @@ sub decode_form_utf8 ($) { #{{{
                        );
                }
        }
                        );
                }
        }

-} #}}}
+}

 
 # Check if the user is signed in. If not, redirect to the signin form and
 # save their place to return to later.
 
 # Check if the user is signed in. If not, redirect to the signin form and
 # save their place to return to later.

-sub needsignin ($$) { #{{{
+sub needsignin ($$) {

        my $q=shift;
        my $session=shift;
 
        my $q=shift;
        my $session=shift;
 


@@ -85,9 +85,9 @@ sub needsignin ($$) { #{{{
                cgi_savesession($session);
                exit;
        }
                cgi_savesession($session);
                exit;
        }

-} #}}} 
+}

 
 

-sub cgi_signin ($$) { #{{{
+sub cgi_signin ($$) {

        my $q=shift;
        my $session=shift;
 
        my $q=shift;
        my $session=shift;
 


@@ -127,9 +127,9 @@ sub cgi_signin ($$) { #{{{
        }
 
        showform($form, $buttons, $session, $q);
        }
 
        showform($form, $buttons, $session, $q);

-} #}}}
+}

 
 

-sub cgi_postsignin ($$) { #{{{
+sub cgi_postsignin ($$) {

        my $q=shift;
        my $session=shift;
        
        my $q=shift;
        my $session=shift;
        


@@ -142,11 +142,16 @@ sub cgi_postsignin ($$) { #{{{
                exit;
        }
        else {
                exit;
        }
        else {

-               error(gettext("login failed, perhaps you need to turn on cookies?"));
+               if ($config{sslcookie} && ! $q->https()) {
+                       error(gettext("probable misconfiguration: sslcookie is set, but you are attepting to login via http, not https"));
+               }
+               else {
+                       error(gettext("login failed, perhaps you need to turn on cookies?"));
+               }

        }
        }

-} #}}}
+}

 
 

-sub cgi_prefs ($$) { #{{{
+sub cgi_prefs ($$) {

        my $q=shift;
        my $session=shift;
 
        my $q=shift;
        my $session=shift;
 


@@ -203,25 +208,9 @@ sub cgi_prefs ($$) { #{{{
        
        my $user_name=$session->param("name");
 
        
        my $user_name=$session->param("name");
 

-       # XXX deprecated, should be removed eventually
-       $form->field(name => "banned_users", size => 50, fieldset => "admin");
-       if (! is_admin($user_name)) {
-               $form->field(name => "banned_users", type => "hidden");
-       }

        if (! $form->submitted) {
                $form->field(name => "email", force => 1,
                        value => userinfo_get($user_name, "email"));
        if (! $form->submitted) {
                $form->field(name => "email", force => 1,
                        value => userinfo_get($user_name, "email"));

-               if (is_admin($user_name)) {
-                       my $value=join(" ", get_banned_users());
-                       if (length $value) {
-                               $form->field(name => "banned_users", force => 1,
-                                       value => join(" ", get_banned_users()),
-                                       comment => "deprecated; please move to banned_users in setup file");
-                       }
-                       else {
-                               $form->field(name => "banned_users", type => "hidden");
-                       }
-               }

        }
        
        if ($form->submitted eq 'Logout') {
        }
        
        if ($form->submitted eq 'Logout') {


@@ -239,43 +228,43 @@ sub cgi_prefs ($$) { #{{{
                                error("failed to set email");
                }
 
                                error("failed to set email");
                }
 

-               # XXX deprecated, should be removed eventually
-               if (is_admin($user_name)) {
-                       set_banned_users(grep { ! is_admin($_) }
-                                       split(' ',
-                                               $form->field("banned_users"))) ||
-                               error("failed saving changes");
-                       if (! length $form->field("banned_users")) {
-                               $form->field(name => "banned_users", type => "hidden");
-                       }
-               }
-

                $form->text(gettext("Preferences saved."));
        }
        
        showform($form, $buttons, $session, $q);
                $form->text(gettext("Preferences saved."));
        }
        
        showform($form, $buttons, $session, $q);

-} #}}}
+}
+
+sub cgi_custom_failure ($$) {
+       my $header=shift;
+       my $message=shift;
+
+       print $header;
+       print $message;
+
+       # Internet Explod^Hrer won't show custom 404 responses
+       # unless they're >= 512 bytes
+       print ' ' x 512;
+
+       exit;
+}

 
 

-sub check_banned ($$) { #{{{
+sub check_banned ($$) {

        my $q=shift;
        my $session=shift;
 
        my $name=$session->param("name");
        if (defined $name) {
        my $q=shift;
        my $session=shift;
 
        my $name=$session->param("name");
        if (defined $name) {

-               # XXX banned in userinfo is deprecated, should be removed
-               # eventually, and only banned_users be checked.
-               if (userinfo_get($session->param("name"), "banned") ||
-                   grep { $name eq $_ } @{$config{banned_users}}) {
-                       print $q->header(-status => "403 Forbidden");
+               if (grep { $name eq $_ } @{$config{banned_users}}) {

                        $session->delete();
                        $session->delete();

-                       print gettext("You are banned.");

                        cgi_savesession($session);
                        cgi_savesession($session);

-                       exit;
+                       cgi_custom_failure(
+                               $q->header(-status => "403 Forbidden"),
+                               gettext("You are banned."));

                }
        }
 }
 
                }
        }
 }
 

-sub cgi_getsession ($) { #{{{
+sub cgi_getsession ($) {

        my $q=shift;
 
        eval q{use CGI::Session; use HTML::Entities};
        my $q=shift;
 
        eval q{use CGI::Session; use HTML::Entities};


@@ -294,32 +283,34 @@ sub cgi_getsession ($) { #{{{
        umask($oldmask);
 
        return $session;
        umask($oldmask);
 
        return $session;

-} #}}}
+}

 
 

-# The session id is stored on the form and checked to
-# guard against CSRF. But only if the user is logged in,
-# as anonok can allow anonymous edits.
-sub checksessionexpiry ($$) { # {{{
+# To guard against CSRF, the user's session id (sid)
+# can be stored on a form. This function will check
+# (for logged in users) that the sid on the form matches
+# the session id in the cookie.
+sub checksessionexpiry ($$) {
+       my $q=shift;

        my $session = shift;
        my $session = shift;

-       my $sid = shift;

 
        if (defined $session->param("name")) {
 
        if (defined $session->param("name")) {

+               my $sid=$q->param('sid');

                if (! defined $sid || $sid ne $session->id) {
                        error(gettext("Your login session has expired."));
                }
        }
                if (! defined $sid || $sid ne $session->id) {
                        error(gettext("Your login session has expired."));
                }
        }

-} # }}}
+}

 
 

-sub cgi_savesession ($) { #{{{
+sub cgi_savesession ($) {

        my $session=shift;
 
        # Force session flush with safe umask.
        my $oldmask=umask(077);
        $session->flush;
        umask($oldmask);
        my $session=shift;
 
        # Force session flush with safe umask.
        my $oldmask=umask(077);
        $session->flush;
        umask($oldmask);

-} #}}}
+}

 
 

-sub cgi (;$$) { #{{{
+sub cgi (;$$) {

        my $q=shift;
        my $session=shift;
 
        my $q=shift;
        my $session=shift;
 


@@ -345,7 +336,7 @@ sub cgi (;$$) { #{{{
                        error("\"do\" parameter missing");
                }
        }
                        error("\"do\" parameter missing");
                }
        }

-       
+

        # Need to lock the wiki before getting a session.
        lockwiki();
        loadindex();
        # Need to lock the wiki before getting a session.
        lockwiki();
        loadindex();


@@ -389,16 +380,16 @@ sub cgi (;$$) { #{{{
        else {
                error("unknown do parameter");
        }
        else {
                error("unknown do parameter");
        }

-} #}}}
+}

 
 # Does not need to be called directly; all errors will go through here.
 
 # Does not need to be called directly; all errors will go through here.

-sub cgierror ($) { #{{{
+sub cgierror ($) {

        my $message=shift;
 
        print "Content-type: text/html\n\n";
        print misctemplate(gettext("Error"),
                "<p class=\"error\">".gettext("Error").": $message</p>");
        die $@;
        my $message=shift;
 
        print "Content-type: text/html\n\n";
        print misctemplate(gettext("Error"),
                "<p class=\"error\">".gettext("Error").": $message</p>");
        die $@;

-} #}}}
+}

 
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