auth_pgsql added

darcs-hash:20050411211337-9977f-b726b869128025e242e013899b2ac7eb1f753bfb.gz

inc/auth_pgsql.php

+<?php
+/**
+ * PgSQL authentication backend 
+ *   (shamelessly based on the original auth_mysql.php ;-)
+ *
+ * PHP's PgSQL extension is needed
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Alexander Marx < mad-ml [at] madness [dot] at >
+ */
+
+//check for Postgresql extension on load
+if(!function_exists('pg_connect'))
+  msg("PgSQL extension not found",-1);
+
+/**
+ * Execute SQL
+ *
+ * Executes SQL statements and returns the results as list
+ * of hashes. Returns false on error.
+ *
+ */
+function auth_pgsql_runsql($sql_string) {
+  global $conf;
+  $cnf = $conf['auth']['pgsql'];
+
+  $dsn="host=".$cnf['server']." port=5432 dbname=".$cnf['database']." user=".$cnf['user']." password=".$cnf['password'];
+  $link   = pg_connect($dsn);
+  if(!$link){
+    msg('PgSQL: Connection to database failed!',-1);
+    return false;
+  }
+  
+  $result = pg_query($link, $sql_string);
+  if(!$result){
+    msg('PgSQL: '.pg_last_error($link));
+    return false;
+  }
+  
+  for($i=0; $i< pg_num_rows($result); $i++) {
+    $temparray = pg_fetch_assoc($result);
+    $resultarray[]=$temparray;
+  }
+  pg_free_result($result);
+  pg_close($link);
+  return $resultarray;
+}
+
+/**
+ * Check user+password [required auth function]
+ *
+ * Checks if the given user exists and the given
+ * plaintext password is correct
+ *
+ * @author  Andreas Gohr <andi@splitbrain.org>
+ * @return  bool
+ */
+function auth_checkPass($user,$pass){
+  global $conf;
+  $cnf = $conf['auth']['pgsql'];
+
+  $sql    = str_replace('%u',addslashes($user),$cnf['passcheck']);
+  $sql    = str_replace('%p',addslashes($pass),$sql);
+  $result = auth_pgsql_runsql($sql);
+  return(count($result));
+}
+
+/**
+ * Return user info [required auth function]
+ *
+ * Returns info about the given user needs to contain
+ * at least these fields:
+ *
+ * name string  full name of the user
+ * mail string  email addres of the user
+ * grps array   list of groups the user is in
+ *
+ * @author  Andreas Gohr <andi@splitbrain.org>
+ */
+function auth_getUserData($user){
+  global $conf;
+  $cnf = $conf['auth']['pgsql'];
+
+  $sql    = str_replace('%u',addslashes($user),$cnf['userinfo']);
+  $result = auth_pgsql_runsql($sql);
+  if(!count($result)) return false;
+  $info   = $result[0];
+
+  $sql    = str_replace('%u',addslashes($user),$cnf['groups']);
+  $result = auth_pgsql_runsql($sql);
+  if(!count($result)) return false;
+  foreach($result as $row){
+    $info['grps'][] = $row['group'];
+  }
+
+  return $info;
+}
+
+/**
+ * Create a new User [required auth function]
+ *
+ * Not implemented
+ *
+ * @author  Andreas Gohr <andi@splitbrain.org>
+ */
+function auth_createUser($user,$name,$mail){
+  msg("Sorry. Creating users is not supported by the PgSQL backend, yet",-1);
+  return null;
+}
+
+?>
+