* Make auth methods pluggable.

[ikiwiki.git] / IkiWiki / CGI.pm

diff --git a/IkiWiki/CGI.pm b/IkiWiki/CGI.pm
index 3ba6cf7f84aebbb314716aa0361f9639faa0c90f..def0549c5d10367cb2dc7dd90f0f091e7028e0e8 100644 (file)
--- a/IkiWiki/CGI.pm
+++ b/IkiWiki/CGI.pm
@@ -74,10 +74,13 @@ sub cgi_recentchanges ($) { #{{{
        # during page builds as the return values may change, but they
        # won't here.)
        eval q{use Memoize};
+       error($@) if $@;
        memoize("htmllink");
 
        eval q{use Time::Duration};
+       error($@) if $@;
        eval q{use CGI 'escapeHTML'};
+       error($@) if $@;
 
        my $changelog=[rcs_recentchanges(100)];
        foreach my $change (@$changelog) {
@@ -114,9 +117,10 @@ sub cgi_signin ($$) { #{{{
        my $session=shift;
 
        eval q{use CGI::FormBuilder};
+       error($@) if $@;
        my $form = CGI::FormBuilder->new(
                title => "signin",
-               fields => [qw(do title page subpage from name password)],
+               fields => [qw(do title page subpage from name password openid_url)],
                header => 1,
                charset => "utf-8",
                method => 'POST',
@@ -145,33 +149,56 @@ sub cgi_signin ($$) { #{{{
        $form->field(name => "from", type => "hidden");
        $form->field(name => "subpage", type => "hidden");
        $form->field(name => "password", type => "password", required => 0);
+       if ($config{openid}) {
+               $form->field(name => "openid_url", label => "OpenID", comment => "to log in via OpenID");
+       }
+       else {
+               $form->field(name => "openid_url", type => "hidden");
+       }
        if ($form->submitted eq "Register" || $form->submitted eq "Create Account") {
                $form->title("register");
                $form->text("");
-               $form->field(name => "name", comment => "use FirstnameLastName");
                $form->fields(qw(do title page subpage from name password confirm_password email));
                $form->field(name => "confirm_password", type => "password");
                $form->field(name => "email", type => "text");
+               $form->field(name => "openid_url", type => "hidden");
        }
        if ($q->param("do") ne "signin" && !$form->submitted) {
                $form->text("You need to log in first.");
        }
        
        if ($form->submitted) {
+               my $submittype=$form->submitted;
+               # OpenID login uses the Login button, but validates
+               # differently.
+               if ($submittype eq "Login" && $config{openid} && 
+                   length $form->field("openid_url")) {
+                       $submittype="OpenID";
+                       
+                       $form->field(
+                               name => "openid_url",
+                               validate => sub {
+                                       # FIXME: ugh
+                                       IkiWiki::Plugin::openid::validate($q, $session, $form, shift);
+                               },
+                       );
+               }
+
                # Set required fields based on how form was submitted.
                my %required=(
                        "Login" => [qw(name password)],
                        "Register" => [],
                        "Create Account" => [qw(name password confirm_password email)],
                        "Mail Password" => [qw(name)],
+                       "OpenID" => [qw(openid_url)],
                );
-               foreach my $opt (@{$required{$form->submitted}}) {
+               foreach my $opt (@{$required{$submittype}}) {
                        $form->field(name => $opt, required => 1);
                }
        
                # Validate password differently depending on how
                # form was submitted.
-               if ($form->submitted eq 'Login') {
+               if ($submittype eq 'Login') {
                        $form->field(
                                name => "password",
                                validate => sub {
@@ -181,12 +208,13 @@ sub cgi_signin ($$) { #{{{
                        );
                        $form->field(name => "name", validate => '/^\w+$/');
                }
-               else {
+               elsif ($submittype ne 'OpenID') {
                        $form->field(name => "password", validate => 'VALUE');
                }
                # And make sure the entered name exists when logging
                # in or sending email, and does not when registering.
-               if ($form->submitted eq 'Create Account') {
+               if ($submittype eq 'Create Account' ||
+                   $submittype eq 'Register') {
                        $form->field(
                                name => "name",
                                validate => sub {
@@ -197,7 +225,7 @@ sub cgi_signin ($$) { #{{{
                                },
                        );
                }
-               else {
+               elsif ($submittype ne 'OpenID') {
                        $form->field(
                                name => "name",
                                validate => sub {
@@ -225,8 +253,8 @@ sub cgi_signin ($$) { #{{{
                                        do => $form->field("do"),
                                        page => $form->field("page"),
                                        title => $form->field("title"),
-                                       subpage => $form->field("subpage"),
                                        from => $form->field("from"),
+                                       subpage => $form->field("subpage"),
                                ));
                        }
                        else {
@@ -262,6 +290,7 @@ sub cgi_signin ($$) { #{{{
                        );
                        
                        eval q{use Mail::Sendmail};
+                       error($@) if $@;
                        sendmail(
                                To => userinfo_get($user_name, "email"),
                                From => "$config{wikiname} admin <$config{adminemail}>",
@@ -294,6 +323,7 @@ sub cgi_prefs ($$) { #{{{
        my $session=shift;
 
        eval q{use CGI::FormBuilder};
+       error($@) if $@;
        my $form = CGI::FormBuilder->new(
                title => "preferences",
                fields => [qw(do name password confirm_password email 
@@ -388,6 +418,7 @@ sub cgi_editpage ($$) { #{{{
        my @buttons=("Save Page", "Preview", "Cancel");
        
        eval q{use CGI::FormBuilder; use CGI::FormBuilder::Template::HTML};
+       error($@) if $@;
        my $renderer=CGI::FormBuilder::Template::HTML->new(
                fields => \@fields,
                template_params("editpage.tmpl"),
@@ -639,8 +670,8 @@ sub cgi_editpage ($$) { #{{{
 } #}}}
 
 sub cgi () { #{{{
-       eval q{use CGI};
-       eval q{use CGI::Session};
+       eval q{use CGI; use CGI::Session};
+       error($@) if $@;
        
        my $q=CGI->new;
        
@@ -673,11 +704,30 @@ sub cgi () { #{{{
                { FileName => "$config{wikistatedir}/sessions.db" });
        umask($oldmask);
        
+       # Auth hooks can sign a user in.
+       if ($do ne 'signin' && ! defined $session->param("name")) {
+               run_hooks(auth => sub {
+                       shift->($q, $session)
+               });
+               if (defined $session->param("name")) {
+                       # Make sure whatever user was authed is in the
+                       # userinfo db.
+                       if (! userinfo_get($session->param("name"), "regdate")) {
+                               userinfo_setall($session->param("name"), {
+                                       email => "",
+                                       password => "",
+                                       regdate => time,
+                               });
+                       }
+               }
+       }
+
        # Everything below this point needs the user to be signed in.
        if (((! $config{anonok} || $do eq 'prefs') &&
             (! $config{httpauth}) &&
             (! defined $session->param("name") ||
-            ! userinfo_get($session->param("name"), "regdate"))) || $do eq 'signin') {
+            ! userinfo_get($session->param("name"), "regdate")))
+            || $do eq 'signin') {
                cgi_signin($q, $session);
        
                # Force session flush with safe umask.
@@ -688,23 +738,7 @@ sub cgi () { #{{{
                return;
        }
 
-       if ($config{httpauth} && (! defined $session->param("name"))) {
-               if (! defined $q->remote_user()) {
-                       error("Could not determine authenticated username.");
-               }
-               else {
-                       $session->param("name", $q->remote_user());
-                       if (! userinfo_get($session->param("name"), "regdate")) {
-                               userinfo_setall($session->param("name"), {
-                                       email => "",
-                                       password => "",
-                                       regdate=>time,
-                               });
-                       }
-               }
-       }
-
-       if (userinfo_get($session->param("name"), "banned")) {
+       if (defined $session->param("name") && userinfo_get($session->param("name"), "banned")) {
                print $q->header(-status => "403 Forbidden");
                $session->delete();
                print "You are banned.";