From 72065fb8351b54eee5f1928c18e06ad81aa9b502 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Wed, 20 Jun 2001 20:00:40 +0000
Subject: - Added a brand-new access.module which allows you to manage 'roles' 
  (groups) and 'permissions' ... (inspired by Zope's system).

    + Once installed, click the help-link for more information.

    + See updates/2.00-to-x.xx.sql for the SQL updates.

- Modified loads of code to use our new access.module.  The system
  still has to mature though: new permissions have to be added and
  existing permissions need stream-lining.  Awaiting suggestions.

- As a direct result of the new access system, I had to rewrite the
  way the top-level links in admin.php are rendered and displayed,
  and xhtml-ified admin.php while I was at it.

TODO

- Home-brewed modules need updating, home-brewed themes not.
  (Examples: file.module, trip_link.module)

- As soon we *finished* the refactoring of the user system (KJ has
  been working on this refactoring already) we should consider to
  embed this role and permission code into account.module ...
---
 includes/user.inc | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

(limited to 'includes/user.inc')

diff --git a/includes/user.inc b/includes/user.inc
index 73d3243bd..2abdf094a 100644
--- a/includes/user.inc
+++ b/includes/user.inc
@@ -3,14 +3,14 @@
 class User {
   function User($userid, $passwd = 0) {
     if ($passwd) {
-      $result = db_query("SELECT * FROM users WHERE LOWER(userid) = LOWER('$userid') && passwd = PASSWORD('$passwd') && STATUS = 2");
+      $result = db_query("SELECT u.*, r.perm FROM users u LEFT JOIN role r ON u.role = r.name WHERE LOWER(userid) = LOWER('$userid') && passwd = PASSWORD('$passwd') AND status = 2");
       if (db_num_rows($result) == 1) {
         foreach (db_fetch_row($result) as $key=>$value) { $field = mysql_field_name($result, $key); $this->$field = stripslashes($value); $this->field[] = $field; }
         db_query("UPDATE users SET last_access = '". time() ."', last_host = '$GLOBALS[REMOTE_ADDR]' WHERE id = $this->id");
       }
     }
     else {
-      $result = db_query("SELECT * FROM users WHERE userid = '$userid' && STATUS = 2");
+      $result = db_query("SELECT u.*, r.perm FROM users u LEFT JOIN role r ON u.role = r.name WHERE u.userid = '$userid' AND u.status = 2");
       if (db_num_rows($result) == 1) {
         foreach (db_fetch_row($result) as $key=>$value) { $field = mysql_field_name($result, $key); $this->$field = stripslashes($value); $this->field[] = $field; }
         db_query("UPDATE users SET last_access = '". time() ."', last_host = '$GLOBALS[REMOTE_ADDR]' WHERE id = $this->id");
@@ -52,10 +52,16 @@ function user_save($account, $array) {
   return user_load(($account->userid ? $account->userid : $array[userid]));
 }
 
-function user_access($account, $section = 0) {
-  global $user;
-  if ($section) return (field_get($account->access, $section) || $account->id == 1);
-  else return ($account->access || $account->id == 1);
+function user_access($account, $perm) {
+  if ($account->id == 1) {
+    return 1;
+  }
+  else if ($account->perm) {
+    return strstr($account->perm, $perm);
+  }
+  else {
+    return db_fetch_object(db_query("SELECT * FROM role WHERE name = 'anonymous user' AND perm LIKE '%$perm%'"));
+  }
 }
 
 function user_ban($mask, $type) {
-- 
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