137 lines
4.6 KiB
Perl
137 lines
4.6 KiB
Perl
require "functions.pl";
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#initialize session data
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CGI::Session->name($config->{"page_cookie_name"});
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$query = new CGI;
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$session = new CGI::Session;
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@userinfo = get_userinfo_from_sid($session->id);
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#TODO: use $query->http("HTTP_REFERER"); to redirect to the site last visited
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if($query->param('action') eq "logout")
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{
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#if logout is requested
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#remove sid from database
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$dbh->do(qq{update users set sid = '' where id = ?}, undef, $userinfo->{'id'}) or die $dbh->errstr;
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$session->delete();
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print $query->redirect("index.pl?information=information_logged_out");
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}
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#check if user is logged in
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elsif($userinfo->{'username'})
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{
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print $query->redirect("/index.pl?error=error_already_logged_in");
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}
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#if password is empty and username begins with http:// then it's an openid login
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elsif($query->param('pass') eq '' and $query->param('user')=~m/^http:\/\//)
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{
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#create our openid consumer object
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$con = Net::OpenID::Consumer->new(
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ua => LWPx::ParanoidAgent->new,
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cache => undef, # or File::Cache->new,
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args => $query,
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consumer_secret => $session->id, #is this save? don't know...
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required_root => $config->{"url_root"}
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);
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#claim identity
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$claimed = $con->claimed_identity($query->param('user'));
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#if claim failed, redirect
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if(!defined($claimed))
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{
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print $query->redirect("/index.pl?error=error_openid_".$con->errcode);
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}
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else
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{
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#try to set the check_url
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$check_url = $claimed->check_url(
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return_to => $config->{"url_root"}."login.pl?action=openid", #on success return to this address
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trust_root => $config->{"url_root"}); #this is the string the user will be asked to trust
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#redirect to openid server to check claim
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print $query->redirect($check_url);
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}
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}
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#we return from an identity check
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elsif($query->param('action') eq 'openid')
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{
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#create our openid consumer object
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$con = Net::OpenID::Consumer->new(
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ua => LWPx::ParanoidAgent->new,
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cache => undef, # or File::Cache->new,
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args => $query,
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consumer_secret => $session->id, #is this save? don't know...
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required_root => $config->{"url_root"}
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);
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#redirect to setup url
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if($setup_url = $con->user_setup_url)
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{
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#redirect to setup url - user will give confirmation there
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print $query->redirect($setup_url);
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}
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#or cancel process
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elsif ($con->user_cancel)
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{
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#cancelled - redirect to login form
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print $query->redirect("index.pl");
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}
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#or verify identity
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elsif ($vident = $con->verified_identity)
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{
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#we are verified!!
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my $verified_url = $vident->url;
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#check if this openid user already is in database
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my $sth = $dbh->prepare(qq{select 1 from users where username = ? limit 1 });
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$sth->execute($verified_url);
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if($sth->fetchrow_array())
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{
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#store session id in database
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$dbh->do(qq{update users set sid = ? where username = ? }, undef, $session->id, $verified_url) or die $dbh->errstr;
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}
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else
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{
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#add openid user to dabase
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$dbh->do(qq{insert into users (username, sid) values ( ?, ? ) }, undef, $verified_url, $session->id) or die $dbh->errstr;
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}
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print $query->redirect("index.pl?information=information_logged_in");
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}
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else
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{
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#an error occured
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print $session->header();
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print "error validating identity: ", $con->errcode;
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}
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}
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#else it's a normal login
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#check if password is not empty and username is neither beginning with http nor empty
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elsif($query->param('pass') ne '' and $query->param('user')!~m/^http:\/\// and $query->param('user') ne '')
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{
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#prepare query
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my $sth = $dbh->prepare(qq{select id from users
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where password = password( ? ) and username = ? limit 1 });
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#execute query
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$sth->execute($query->param('pass'), $query->param('user'));
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#if something was returned username and password match
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if($sth->fetchrow_array())
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{
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#store session id in database
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$dbh->do(qq{update users set sid = ? where username = ? }, undef, $session->id, $query->param('user')) or die $dbh->errstr;
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print $query->redirect("index.pl?information=information_logged_in");
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}
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else
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{
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print $query->redirect("index.pl?error=error_username_password_do_not_match");
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}
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}
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else
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{
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print $query->redirect("index.pl");
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}
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