Wrong include path
[squirrelmail.git] / functions / prefs.php
CommitLineData
59177427 1<?php
2ba13803 2
35586184 3/**
4 * prefs.php
5 *
15e6162e 6 * Copyright (c) 1999-2002 The SquirrelMail Project Team
35586184 7 * Licensed under the GNU GPL. For full terms see the file COPYING.
8 *
9 * This contains functions for manipulating user preferences
10 *
11 * $Id$
12 */
13
35586184 14global $prefs_are_cached, $prefs_cache;
93b2364f 15
16if ( !session_is_registered('prefs_are_cached') ||
17 !isset( $prefs_cache) ||
3499f99f 18 !is_array( $prefs_cache) ||
121fc115 19 substr( phpversion(), 0, 3 ) == '4.1' ||
20 substr( phpversion(), 0, 3 ) == '4.2' ) {
35586184 21 $prefs_are_cached = false;
22 $prefs_cache = array();
23}
31ac7db8 24
3499f99f 25if (isset($prefs_dsn) && !empty($prefs_dsn)) {
b68edc75 26 require_once(SM_PATH . 'functions/db_prefs.php');
3499f99f 27} else {
b68edc75 28 require_once(SM_PATH . 'functions/file_prefs.php');
7b294953 29}
30
3499f99f 31/* Hashing functions */
fb120846 32
3392dc86 33function getHashedFile($username, $dir, $datafile, $hash_search = true) {
34 global $dir_hash_level;
35
311339a0 36 /* Remove trailing slash from $dir if found */
37 if (substr($dir, -1) == '/') {
38 $dir = substr($dir, 0, strlen($dir) - 1);
39 }
40
3392dc86 41 /* Compute the hash for this user and extract the hash directories. */
42 $hash_dirs = computeHashDirs($username);
43
44 /* First, get and make sure the full hash directory exists. */
45 $real_hash_dir = getHashedDir($username, $dir, $hash_dirs);
46
47 /* Set the value of our real data file. */
4fc152a6 48 $result = "$real_hash_dir/$datafile";
3392dc86 49
50 /* Check for this file in the real hash directory. */
3a94810f 51 if ($hash_search && !@file_exists($result)) {
3392dc86 52 /* First check the base directory, the most common location. */
3a94810f 53 if (@file_exists("$dir/$datafile")) {
3392dc86 54 rename("$dir/$datafile", $result);
55
56 /* Then check the full range of possible hash directories. */
57 } else {
58 $check_hash_dir = $dir;
59 for ($h = 0; $h < 4; ++$h) {
60 $check_hash_dir .= '/' . $hash_dirs[$h];
311339a0 61 if (@is_readable("$check_hash_dir/$datafile")) {
3392dc86 62 rename("$check_hash_dir/$datafile", $result);
63 break;
64 }
65 }
66 }
67 }
68
69 /* Return the full hashed datafile path. */
70 return ($result);
71}
72
73function getHashedDir($username, $dir, $hash_dirs = '') {
74 global $dir_hash_level;
75
3a94810f 76 /* Remove trailing slash from $dir if found */
77 if (substr($dir, -1) == '/') {
78 $dir = substr($dir, 0, strlen($dir) - 1);
79 }
80
3392dc86 81 /* If necessary, populate the hash dir variable. */
82 if ($hash_dirs == '') {
83 $hash_dirs = computeHashDirs($username);
84 }
85
86 /* Make sure the full hash directory exists. */
87 $real_hash_dir = $dir;
88 for ($h = 0; $h < $dir_hash_level; ++$h) {
89 $real_hash_dir .= '/' . $hash_dirs[$h];
3a94810f 90 if (!@is_dir($real_hash_dir)) {
91 if (!@mkdir($real_hash_dir, 0770)) {
cab99c3a 92 echo sprintf(_("Error creating directory %s."), $real_hash_dir) . '<br>' .
93 _("Could not create hashed directory structure!") . "<br>\n" .
94 _("Please contact your system administrator and report this error.") . "<br>\n";
3a94810f 95 exit;
96 }
3392dc86 97 }
98 }
99
100 /* And return that directory. */
101 return ($real_hash_dir);
102}
103
104function computeHashDirs($username) {
105 /* Compute the hash for this user and extract the hash directories. */
106 $hash = base_convert(crc32($username), 10, 16);
107 $hash_dirs = array();
108 for ($h = 0; $h < 4; ++ $h) {
109 $hash_dirs[] = substr($hash, $h, 1);
110 }
111
112 /* Return our array of hash directories. */
113 return ($hash_dirs);
114}
115
35586184 116?>