emailauth, passwordauth: Avoid leaving cgisess_* files in the system temp directory.

[git.ikiwiki.info.git] / IkiWiki / Plugin / emailauth.pm

diff --git a/IkiWiki/Plugin/emailauth.pm b/IkiWiki/Plugin/emailauth.pm
index 3266e21abcabe6ae2bf7c2c7bb40fbfad2a50d82..9c595dc8643ede0a10a589bc38a968d2f635206b 100644 (file)
--- a/IkiWiki/Plugin/emailauth.pm
+++ b/IkiWiki/Plugin/emailauth.pm
@@ -8,7 +8,8 @@ use IkiWiki 3.00;
 
 sub import {
        hook(type => "getsetup", id => "emailauth", "call" => \&getsetup);
-       hook(type => "cgi", id => "cgi", "call" => \&cgi);
+       hook(type => "cgi", id => "emailauth", "call" => \&cgi);
+       hook(type => "formbuilder_setup", id => "emailauth", "call" => \&formbuilder_setup);
        IkiWiki::loadplugin("loginselector");
        IkiWiki::Plugin::loginselector::register_login_plugin(
                "emailauth",
@@ -25,6 +26,12 @@ sub getsetup () {
                        rebuild => 0,
                        section => "auth",
                },
+               emailauth_sender => {
+                       type => "string",
+                       description => "email address to send emailauth mails as (default: adminemail)",
+                       safe => 1,
+                       rebuild => 0,
+               },
 }
 
 sub email_setup ($$) {
@@ -64,7 +71,7 @@ sub email_auth ($$$$) {
                });
        }
 
-       my $token=gentoken($email);
+       my $token=gentoken($email, $session);
        my $template=template("emailauth.tmpl");
        $template->param(
                wikiname => $config{wikiname},
@@ -77,12 +84,16 @@ sub email_auth ($$$$) {
        
        eval q{use Mail::Sendmail};
        error($@) if $@;
+       my $shorturl=$config{url};
+       $shorturl=~s/^https?:\/\///i;
+       my $emailauth_sender=$config{emailauth_sender};
+       $emailauth_sender=$config{adminemail} unless defined $emailauth_sender;
        sendmail(
                To => $email,
                From => "$config{wikiname} admin <".
-                       (defined $config{adminemail} ? $config{adminemail} : "")
+                       (defined $emailauth_sender ? $emailauth_sender : "")
                        .">",
-               Subject => "$config{wikiname} login",
+               Subject => "$config{wikiname} login | $shorturl",
                Message => $template->output,
        ) or error(gettext("Failed to send mail"));
 
@@ -96,19 +107,10 @@ sub cgi ($$) {
        my $email=$cgi->param('e');
        my $v=$cgi->param('v');
        if (defined $email && defined $v && length $email && length $v) {
-               # Need to lock the wiki before getting a session.
-               IkiWiki::lockwiki();
-               IkiWiki::loadindex();
-               my $session=IkiWiki::cgi_getsession();
-
                my $token=gettoken($email);
                if ($token eq $v) {
-                       print STDERR "SUCCESS $email!!\n";
                        cleartoken($email);
-                       $session->param(name => $email);
-                       my $nickname=$email;
-                       $nickname=~s/@.*//;
-                       $session->param(nickname => Encode::decode_utf8($nickname));
+                       my $session=getsession($email);
                        IkiWiki::cgi_postsignin($cgi, $session);
                }
                elsif (length $token ne length $cgi->param('v')) {
@@ -120,19 +122,36 @@ sub cgi ($$) {
        }
 }
 
+sub formbuilder_setup (@) {
+       my %params=@_;
+       my $form=$params{form};
+       my $session=$params{session};
+
+       if ($form->title eq "preferences" &&
+           IkiWiki::emailuser($session->param("name"))) {
+               $form->field(name => "email", disabled => 1);
+       }
+}
+
 # Generates the token that will be used in the authurl to log the user in.
 # This needs to be hard to guess, and relatively short. Generating a cgi
 # session id will make it as hard to guess as any cgi session.
-sub gentoken ($) {
+#
+# Store token in userinfo; this allows the user to log in
+# using a different browser session, if it takes a while for the
+# email to get to them.
+#
+# The postsignin value from the session is also stored in the userinfo
+# to allow resuming in a different browser session.
+sub gentoken ($$) {
        my $email=shift;
+       my $session=shift;
        eval q{use CGI::Session};
        error($@) if $@;
-       my $token = CGI::Session->new->id;
-       # Store token in userinfo; this allows the user to log in
-       # using a different browser session, if it takes a while for the
-       # email to get to them.
+       my $token = CGI::Session->new("driver:DB_File", undef, {FileName => "/dev/null"})->id;
        IkiWiki::userinfo_set($email, "emailauthexpire", time+(60*60*24));
        IkiWiki::userinfo_set($email, "emailauth", $token);
+       IkiWiki::userinfo_set($email, "emailauthpostsignin", defined $session->param("postsignin") ? $session->param("postsignin") : "");
        return $token;
 }
 
@@ -147,6 +166,30 @@ sub gettoken ($) {
        return $val;
 }
 
+# Generate a session to use after successful login.
+sub getsession ($) {
+       my $email=shift;
+
+       IkiWiki::lockwiki();
+       IkiWiki::loadindex();
+       my $session=IkiWiki::cgi_getsession();
+
+       my $postsignin=IkiWiki::userinfo_get($email, "emailauthpostsignin");
+       IkiWiki::userinfo_set($email, "emailauthpostsignin", "");
+       if (defined $postsignin && length $postsignin) {
+               $session->param(postsignin => $postsignin);
+       }
+
+       $session->param(name => $email);
+       my $nickname=$email;
+       $nickname=~s/@.*//;
+       $session->param(nickname => Encode::decode_utf8($nickname));
+
+       IkiWiki::cgi_savesession($session);
+
+       return $session;
+}
+
 sub cleartoken ($) {
        my $email=shift;
        IkiWiki::userinfo_set($email, "emailauthexpire", 0);