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-rw-r--r--common.php104
1 files changed, 85 insertions, 19 deletions
diff --git a/common.php b/common.php
index a6061920d..de0529a2e 100644
--- a/common.php
+++ b/common.php
@@ -5,7 +5,7 @@
// default configuration, overwritten in config.php
$config =
- array('site' =>
+ array('site' =>
array('name' => 'Just another µB'),
'dsn' =>
array('phptype' => 'mysql',
@@ -20,20 +20,7 @@ $config =
require_once(INSTALLDIR . '/config.php');
require_once('DB.php');
-function common_database() {
- global $config;
- $db =& DB::connect($config['dsn'], $config['dboptions']);
- if (PEAR::isError($db)) {
- common_server_error($db->getMessage());
- } else {
- return $db;
- }
-}
-
-function common_read_database() {
- // XXX: read from slave server
- return common_database();
-}
+# Show a server error
function common_server_error($msg) {
header('Status: 500 Server Error');
@@ -43,12 +30,14 @@ function common_server_error($msg) {
exit();
}
-function common_user_error($msg) {
+# Show a user error
+function common_user_error($msg, $code=200) {
common_show_header('Error');
common_element('div', array('class' => 'error'), $msg);
common_show_footer();
}
+# Start an HTML element
function common_element_start($tag, $attrs=NULL) {
print "<$tag";
if (is_array($attrs)) {
@@ -67,7 +56,7 @@ function common_element_end($tag) {
function common_element($tag, $attrs=NULL, $content=NULL) {
common_element_start($tag, $attrs);
- if ($content) print $content;
+ if ($content) print htmlspecialchars($content);
common_element_end($tag);
}
@@ -75,7 +64,8 @@ function common_show_header($pagetitle) {
global $config;
common_element_start('html');
common_element_start('head');
- common_element('title', NULL, $pagetitle . " - " . $config['site']['name']);
+ common_element('title', NULL,
+ $pagetitle . " - " . $config['site']['name']);
common_element_end('head');
common_element_start('body');
}
@@ -85,6 +75,82 @@ function common_show_footer() {
common_element_end('html');
}
-// TODO: set up gettext
+# salted, hashed passwords are stored in the DB
+
+function common_munge_password($id, $password) {
+ return md5($id . $password);
+}
+
+# check if a username exists and has matching password
+function common_check_user($nickname, $password) {
+ $user = User::staticGet('nickname', $nickname);
+ if (is_null($user)) {
+ return false;
+ } else {
+ return (0 == strcmp(common_munge_password($password, $user->id),
+ $user->password));
+ }
+}
+
+# is the current user logged in?
+function common_logged_in() {
+ return (!is_null(common_current_user()));
+}
+
+function common_have_session() {
+ return (0 != strcmp(session_id(), ''));
+}
+
+function common_ensure_session() {
+ if (!common_have_session()) {
+ @session_start();
+ }
+}
+
+function common_set_user($nickname) {
+ if (is_null($nickname) && common_have_session()) {
+ unset($_SESSION['userid']);
+ return true;
+ } else {
+ $user = User::staticGet('nickname', $nickname);
+ if ($user) {
+ common_ensure_session();
+ $_SESSION['userid'] = $user->id;
+ return true;
+ } else {
+ return false;
+ }
+ }
+ return false;
+}
+
+# who is the current user?
+function common_current_user() {
+ static $user = NULL; # FIXME: global memcached
+ if (is_null($user)) {
+ if (common_have_session()) {
+ $id = $_SESSION['userid'];
+ if ($id) {
+ $user = User::staticGet($id);
+ }
+ }
+ }
+ return $user;
+}
+
+# get canonical version of nickname for comparison
+function common_canonical_nickname($nickname) {
+ # XXX: UTF-8 canonicalization (like combining chars)
+ return strtolower($nickname);
+}
+
+function common_render_content($text) {
+ # XXX: @ messages
+ # XXX: # tags
+ # XXX: machine tags
+ return htmlspecialchars($text);
+}
+
+// XXX: set up gettext
function _t($str) { $str }