X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=functions%2Fprefs.php;h=047e1de68d3cbad607e9053553ace507afee0e1a;hb=8c93309a4be5b11573246c41af7e6cbfe15d598e;hp=e43d18071970f33891b6869181ac259f3b4f1478;hpb=e9f8ea4ecb40efdb6f19631f8359ebd1fbf588be;p=squirrelmail.git diff --git a/functions/prefs.php b/functions/prefs.php index e43d1807..047e1de6 100644 --- a/functions/prefs.php +++ b/functions/prefs.php @@ -1,147 +1,116 @@ "; - exit; - } - $file = fopen($filename, "r"); - - for ($i=0; !feof($file); $i++) { - $pref[$i] = fgets($file, 1024); - if (substr($pref[$i], 0, strpos($pref[$i], "=")) == $string) { - $i--; - } - } - fclose($file); - - for ($i=0,$j=0; $i < count($pref); $i++) { - if (substr($pref[$i], 0, 9) == "highlight") { - $hlt[$j] = substr($pref[$i], strpos($pref[$i], "=")+1); - $j++; - } - } - - $file = fopen($filename, "w"); - for ($i=0; $i < count($pref); $i++) { - if (substr($pref[$i], 0, 9) != "highlight") { - fwrite($file, "$pref[$i]", 1024); - } - } - for ($i=0; $i < count($hlt); $i++) { - fwrite($file, "highlight$i=$hlt[$i]"); - } - - fclose($file); - } - - /** sets the pref, $string, to $set_to **/ - function setPref($data_dir, $username, $string, $set_to) { - $filename = "$data_dir$username.pref"; - $found = false; - if (!file_exists($filename)) { - echo _("Preference file, ") . "\"$filename\"" . _(", does not exist. Log out, and log back in to create a default preference file. ") ."
"; - exit; - } - $file = fopen($filename, "r"); - - /** read in all the preferences **/ - for ($i=0; !feof($file); $i++) { - $pref[$i] = fgets($file, 1024); - if (substr($pref[$i], 0, strpos($pref[$i], "=")) == $string) { - $found = true; - $pos = $i; - } - } - fclose($file); - - $file = fopen($filename, "w"); - if ($found == true) { - for ($i=0; $i < count($pref); $i++) { - if ($i == $pos) { - fwrite($file, "$string=$set_to\n", 1024); - } else { - fwrite($file, "$pref[$i]", 1024); + +/** + * prefs.php + * + * Copyright (c) 1999-2002 The SquirrelMail Project Team + * Licensed under the GNU GPL. For full terms see the file COPYING. + * + * This contains functions for manipulating user preferences + * + * $Id$ + */ + +global $prefs_are_cached, $prefs_cache; + +if ( !session_is_registered('prefs_are_cached') || + !isset( $prefs_cache) || + !is_array( $prefs_cache) || + substr( phpversion(), 0, 3 ) == '4.1' || + substr( phpversion(), 0, 3 ) == '4.2' ) { + $prefs_are_cached = false; + $prefs_cache = array(); +} + +if (isset($prefs_dsn) && !empty($prefs_dsn)) { + require_once('../functions/db_prefs.php'); +} else { + require_once('../functions/file_prefs.php'); +} + +/* Hashing functions */ + +function getHashedFile($username, $dir, $datafile, $hash_search = true) { + global $dir_hash_level; + + /* Remove trailing slash from $dir if found */ + if (substr($dir, -1) == '/') { + $dir = substr($dir, 0, strlen($dir) - 1); + } + + /* Compute the hash for this user and extract the hash directories. */ + $hash_dirs = computeHashDirs($username); + + /* First, get and make sure the full hash directory exists. */ + $real_hash_dir = getHashedDir($username, $dir, $hash_dirs); + + /* Set the value of our real data file. */ + $result = "$real_hash_dir/$datafile"; + + /* Check for this file in the real hash directory. */ + if ($hash_search && !@file_exists($result)) { + /* First check the base directory, the most common location. */ + if (@file_exists("$dir/$datafile")) { + rename("$dir/$datafile", $result); + + /* Then check the full range of possible hash directories. */ + } else { + $check_hash_dir = $dir; + for ($h = 0; $h < 4; ++$h) { + $check_hash_dir .= '/' . $hash_dirs[$h]; + if (@is_readable("$check_hash_dir/$datafile")) { + rename("$check_hash_dir/$datafile", $result); + break; + } + } + } + } + + /* Return the full hashed datafile path. */ + return ($result); +} + +function getHashedDir($username, $dir, $hash_dirs = '') { + global $dir_hash_level; + + /* Remove trailing slash from $dir if found */ + if (substr($dir, -1) == '/') { + $dir = substr($dir, 0, strlen($dir) - 1); + } + + /* If necessary, populate the hash dir variable. */ + if ($hash_dirs == '') { + $hash_dirs = computeHashDirs($username); + } + + /* Make sure the full hash directory exists. */ + $real_hash_dir = $dir; + for ($h = 0; $h < $dir_hash_level; ++$h) { + $real_hash_dir .= '/' . $hash_dirs[$h]; + if (!@is_dir($real_hash_dir)) { + if (!@mkdir($real_hash_dir, 0770)) { + echo sprintf(_("Error creating directory %s."), $real_hash_dir) . '
' . + _("Could not create hashed directory structure!") . "
\n" . + _("Please contact your system administrator and report this error.") . "
\n"; + exit; } - } - } else { - for ($i=0; $i < count($pref); $i++) { - fwrite($file, "$pref[$i]", 1024); - } - fwrite($file, "$string=$set_to\n", 1024); - } - - fclose($file); - } - - - - - /** This checks if there is a pref file, if there isn't, it will - create it. **/ - function checkForPrefs($data_dir, $username) { - $filename = "$data_dir$username.pref"; - if (!file_exists($filename)) { - if (!copy("$data_dir" . "default_pref", $filename)) { - echo _("Error opening ") ."$filename"; - exit; - } - } - } - - - - /** Writes the Signature **/ - function setSig($data_dir, $username, $string) { - $filename = "$data_dir$username.sig"; - $file = fopen($filename, "w"); - fwrite($file, $string); - fclose($file); - } - - - - /** Gets the signature **/ - function getSig($data_dir, $username) { - $filename = "$data_dir$username.sig"; - if (file_exists($filename)) { - $file = fopen($filename, "r"); - while (!feof($file)) { - $sig .= fgets($file, 1024); - } - fclose($file); - } - return $sig; - } + } + } + + /* And return that directory. */ + return ($real_hash_dir); +} + +function computeHashDirs($username) { + /* Compute the hash for this user and extract the hash directories. */ + $hash = base_convert(crc32($username), 10, 16); + $hash_dirs = array(); + for ($h = 0; $h < 4; ++ $h) { + $hash_dirs[] = substr($hash, $h, 1); + } + + /* Return our array of hash directories. */ + return ($hash_dirs); +} + ?>