1 files changed, 79 insertions, 0 deletions
diff --git a/include/auth.php b/include/auth.php
new file mode 100644
index 000000000..e22651cdd
--- /dev/null
+++ b/include/auth.php
@@ -0,0 +1,79 @@
+<?php
+
+// login/logout 
+
+if((x($_SESSION,'authenticated')) && (! ($_POST['auth-params'] == 'login'))) {
+	if($_POST['auth-params'] == 'logout' || $a->module == "logout") {
+		unset($_SESSION['authenticated']);
+		unset($_SESSION['uid']);
+		unset($_SESSION['visitor_id']);
+		unset($_SESSION['administrator']);
+		$_SESSION['sysmsg'] = "Logged out." . EOL;
+		goaway($a->get_baseurl());
+	}
+	if(x($_SESSION,'uid')) {
+		$r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
+			intval($_SESSION['uid']));
+		if($r === NULL || (! count($r))) {
+			goaway($a->get_baseurl());
+		}
+		$a->user = $r[0];
+		if(strlen($a->user['timezone']))
+			date_default_timezone_set($a->user['timezone']);
+
+	}
+}
+else {
+	unset($_SESSION['authenticated']);
+	unset($_SESSION['uid']);
+	unset($_SESSION['visitor_id']);
+	unset($_SESSION['administrator']);
+	$encrypted = hash('whirlpool',trim($_POST['password']));
+
+	if((x($_POST,'auth-params')) && $_POST['auth-params'] == 'login') {
+		$r = q("SELECT * FROM `user` 
+			WHERE `email` = '%s' AND `password` = '%s' LIMIT 1",
+			dbesc(trim($_POST['login-name'])),
+			dbesc($encrypted));
+		if(($r === false) || (! count($r))) {
+			$_SESSION['sysmsg'] = 'Login failed.' . EOL ;
+			goaway($a->get_baseurl());
+  		}
+		$_SESSION['uid'] = $r[0]['uid'];
+		$_SESSION['admin'] = $r[0]['admin'];
+		$_SESSION['authenticated'] = 1;
+		if(x($r[0],'nickname'))
+			$_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $r[0]['nickname'];
+		else
+			$_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $r[0]['uid'];
+
+		$_SESSION['sysmsg'] = "Welcome back " . $r[0]['username'] . EOL;
+		$a->user = $r[0];
+		if(strlen($a->user['timezone']))
+			date_default_timezone_set($a->user['timezone']);
+
+	}
+}
+
+// Returns an array of group names this contact is a member of.
+// Since contact-id's are unique and each "belongs" to a given user uid,
+// this array will only contain group names related to the uid of this
+// DFRN contact. They are *not* neccessarily unique across the entire site. 
+
+
+if(! function_exists('init_groups_visitor')) {
+function init_groups_visitor($contact_id) {
+	$groups = array();
+	$r = q("SELECT `group_member`.`gid`, `group`.`name` 
+		FROM `group_member` LEFT JOIN `group` ON `group_member`.`gid` = `group`.`id` 
+		WHERE `group_member`.`contact-id` = %d ",
+		intval($contact_id)
+	);
+	if(count($r)) {
+		foreach($r as $rr)
+			$groups[] = $rr['name'];
+	}
+	return $groups;
+}}
+
+