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507 lines
12 KiB
PHP
507 lines
12 KiB
PHP
<?php
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/*
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+-----------------------------------------------------------------------+
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| This file is part of the Roundcube PHP suite |
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| Copyright (C) 2005-2013, The Roundcube Dev Team |
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| Licensed under the GNU General Public License version 3 or |
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| any later version with exceptions for skins & plugins. |
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| See the README file for a full license statement. |
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| CONTENTS: |
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| Roundcube Framework Initialization |
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+-----------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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| Author: Aleksander Machniak <alec@alec.pl> |
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+-----------------------------------------------------------------------+
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*/
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/**
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* Roundcube Framework Initialization
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*
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* @package Framework
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* @subpackage Core
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*/
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$config = array(
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'error_reporting' => E_ALL &~ (E_NOTICE | E_STRICT),
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// Some users are not using Installer, so we'll check some
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// critical PHP settings here. Only these, which doesn't provide
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// an error/warning in the logs later. See (#1486307).
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'mbstring.func_overload' => 0,
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'suhosin.session.encrypt' => 0,
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'session.auto_start' => 0,
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'file_uploads' => 1,
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'magic_quotes_runtime' => 0,
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'magic_quotes_sybase' => 0, // #1488506
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);
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foreach ($config as $optname => $optval) {
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if ($optval != ini_get($optname) && @ini_set($optname, $optval) === false) {
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die("ERROR: Wrong '$optname' option value and it wasn't possible to set it to required value ($optval).\n"
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."Check your PHP configuration (including php_admin_flag).");
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}
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}
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// framework constants
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define('RCUBE_VERSION', '0.9-git');
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define('RCUBE_CHARSET', 'UTF-8');
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if (!defined('RCUBE_LIB_DIR')) {
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define('RCUBE_LIB_DIR', dirname(__FILE__).'/');
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}
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if (!defined('RCUBE_INSTALL_PATH')) {
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define('RCUBE_INSTALL_PATH', RCUBE_LIB_DIR);
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}
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if (!defined('RCUBE_CONFIG_DIR')) {
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define('RCUBE_CONFIG_DIR', RCUBE_INSTALL_PATH . 'config/');
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}
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if (!defined('RCUBE_PLUGINS_DIR')) {
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define('RCUBE_PLUGINS_DIR', RCUBE_INSTALL_PATH . 'plugins/');
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}
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if (!defined('RCUBE_LOCALIZATION_DIR')) {
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define('RCUBE_LOCALIZATION_DIR', RCUBE_INSTALL_PATH . 'localization/');
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}
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// set internal encoding for mbstring extension
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if (extension_loaded('mbstring')) {
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mb_internal_encoding(RCUBE_CHARSET);
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@mb_regex_encoding(RCUBE_CHARSET);
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}
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// Register autoloader
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spl_autoload_register('rcube_autoload');
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// set PEAR error handling (will also load the PEAR main class)
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PEAR::setErrorHandling(PEAR_ERROR_CALLBACK, 'rcube_pear_error');
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/**
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* Similar function as in_array() but case-insensitive
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*
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* @param string $needle Needle value
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* @param array $heystack Array to search in
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*
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* @return boolean True if found, False if not
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*/
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function in_array_nocase($needle, $haystack)
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{
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$needle = mb_strtolower($needle);
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foreach ((array)$haystack as $value) {
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if ($needle === mb_strtolower($value)) {
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return true;
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}
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}
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return false;
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}
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/**
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* Parse a human readable string for a number of bytes.
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*
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* @param string $str Input string
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*
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* @return float Number of bytes
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*/
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function parse_bytes($str)
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{
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if (is_numeric($str)) {
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return floatval($str);
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}
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if (preg_match('/([0-9\.]+)\s*([a-z]*)/i', $str, $regs)) {
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$bytes = floatval($regs[1]);
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switch (strtolower($regs[2])) {
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case 'g':
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case 'gb':
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$bytes *= 1073741824;
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break;
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case 'm':
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case 'mb':
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$bytes *= 1048576;
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break;
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case 'k':
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case 'kb':
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$bytes *= 1024;
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break;
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}
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}
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return floatval($bytes);
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}
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/**
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* Make sure the string ends with a slash
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*/
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function slashify($str)
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{
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return unslashify($str).'/';
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}
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/**
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* Remove slashes at the end of the string
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*/
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function unslashify($str)
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{
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return preg_replace('/\/+$/', '', $str);
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}
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/**
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* Returns number of seconds for a specified offset string.
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*
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* @param string $str String representation of the offset (e.g. 20min, 5h, 2days, 1week)
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*
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* @return int Number of seconds
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*/
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function get_offset_sec($str)
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{
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if (preg_match('/^([0-9]+)\s*([smhdw])/i', $str, $regs)) {
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$amount = (int) $regs[1];
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$unit = strtolower($regs[2]);
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}
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else {
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$amount = (int) $str;
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$unit = 's';
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}
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switch ($unit) {
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case 'w':
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$amount *= 7;
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case 'd':
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$amount *= 24;
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case 'h':
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$amount *= 60;
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case 'm':
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$amount *= 60;
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}
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return $amount;
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}
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/**
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* Create a unix timestamp with a specified offset from now.
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*
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* @param string $offset_str String representation of the offset (e.g. 20min, 5h, 2days)
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* @param int $factor Factor to multiply with the offset
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*
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* @return int Unix timestamp
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*/
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function get_offset_time($offset_str, $factor=1)
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{
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return time() + get_offset_sec($offset_str) * $factor;
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}
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/**
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* Truncate string if it is longer than the allowed length.
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* Replace the middle or the ending part of a string with a placeholder.
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*
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* @param string $str Input string
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* @param int $maxlength Max. length
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* @param string $placeholder Replace removed chars with this
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* @param bool $ending Set to True if string should be truncated from the end
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*
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* @return string Abbreviated string
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*/
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function abbreviate_string($str, $maxlength, $placeholder='...', $ending=false)
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{
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$length = mb_strlen($str);
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if ($length > $maxlength) {
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if ($ending) {
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return mb_substr($str, 0, $maxlength) . $placeholder;
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}
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$placeholder_length = mb_strlen($placeholder);
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$first_part_length = floor(($maxlength - $placeholder_length)/2);
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$second_starting_location = $length - $maxlength + $first_part_length + $placeholder_length;
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$str = mb_substr($str, 0, $first_part_length) . $placeholder . mb_substr($str, $second_starting_location);
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}
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return $str;
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}
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/**
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* Get all keys from array (recursive).
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*
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* @param array $array Input array
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*
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* @return array List of array keys
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*/
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function array_keys_recursive($array)
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{
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$keys = array();
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if (!empty($array) && is_array($array)) {
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foreach ($array as $key => $child) {
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$keys[] = $key;
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foreach (array_keys_recursive($child) as $val) {
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$keys[] = $val;
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}
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}
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}
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return $keys;
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}
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/**
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* Remove all non-ascii and non-word chars except ., -, _
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*/
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function asciiwords($str, $css_id = false, $replace_with = '')
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{
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$allowed = 'a-z0-9\_\-' . (!$css_id ? '\.' : '');
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return preg_replace("/[^$allowed]/i", $replace_with, $str);
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}
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/**
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* Check if a string contains only ascii characters
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*
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* @param string $str String to check
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* @param bool $control_chars Includes control characters
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*
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* @return bool
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*/
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function is_ascii($str, $control_chars = true)
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{
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$regexp = $control_chars ? '/[^\x00-\x7F]/' : '/[^\x20-\x7E]/';
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return preg_match($regexp, $str) ? false : true;
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}
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/**
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* Remove single and double quotes from a given string
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*
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* @param string Input value
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*
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* @return string Dequoted string
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*/
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function strip_quotes($str)
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{
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return str_replace(array("'", '"'), '', $str);
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}
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/**
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* Remove new lines characters from given string
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*
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* @param string $str Input value
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*
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* @return string Stripped string
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*/
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function strip_newlines($str)
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{
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return preg_replace('/[\r\n]/', '', $str);
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}
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/**
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* Compose a valid representation of name and e-mail address
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*
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* @param string $email E-mail address
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* @param string $name Person name
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*
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* @return string Formatted string
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*/
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function format_email_recipient($email, $name = '')
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{
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$email = trim($email);
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if ($name && $name != $email) {
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// Special chars as defined by RFC 822 need to in quoted string (or escaped).
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if (preg_match('/[\(\)\<\>\\\.\[\]@,;:"]/', $name)) {
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$name = '"'.addcslashes($name, '"').'"';
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}
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return "$name <$email>";
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}
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return $email;
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}
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/**
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* Format e-mail address
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*
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* @param string $email E-mail address
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*
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* @return string Formatted e-mail address
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*/
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function format_email($email)
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{
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$email = trim($email);
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$parts = explode('@', $email);
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$count = count($parts);
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if ($count > 1) {
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$parts[$count-1] = mb_strtolower($parts[$count-1]);
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$email = implode('@', $parts);
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}
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return $email;
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}
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/**
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* Fix version number so it can be used correctly in version_compare()
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*
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* @param string $version Version number string
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*
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* @param return Version number string
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*/
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function version_parse($version)
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{
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return str_replace(
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array('-stable', '-git'),
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array('.0', '.99'),
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$version);
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}
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/**
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* mbstring replacement functions
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*/
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if (!extension_loaded('mbstring'))
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{
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function mb_strlen($str)
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{
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return strlen($str);
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}
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function mb_strtolower($str)
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{
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return strtolower($str);
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}
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function mb_strtoupper($str)
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{
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return strtoupper($str);
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}
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function mb_substr($str, $start, $len=null)
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{
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return substr($str, $start, $len);
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}
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function mb_strpos($haystack, $needle, $offset=0)
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{
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return strpos($haystack, $needle, $offset);
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}
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function mb_strrpos($haystack, $needle, $offset=0)
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{
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return strrpos($haystack, $needle, $offset);
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}
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}
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/**
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* intl replacement functions
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*/
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if (!function_exists('idn_to_utf8'))
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{
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function idn_to_utf8($domain, $flags=null)
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{
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static $idn, $loaded;
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if (!$loaded) {
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$idn = new Net_IDNA2();
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$loaded = true;
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}
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if ($idn && $domain && preg_match('/(^|\.)xn--/i', $domain)) {
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try {
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$domain = $idn->decode($domain);
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}
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catch (Exception $e) {
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}
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}
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return $domain;
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}
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}
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if (!function_exists('idn_to_ascii'))
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{
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function idn_to_ascii($domain, $flags=null)
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{
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static $idn, $loaded;
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if (!$loaded) {
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$idn = new Net_IDNA2();
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$loaded = true;
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}
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if ($idn && $domain && preg_match('/[^\x20-\x7E]/', $domain)) {
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try {
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$domain = $idn->encode($domain);
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}
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catch (Exception $e) {
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}
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}
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return $domain;
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}
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}
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/**
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* Use PHP5 autoload for dynamic class loading
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*
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* @todo Make Zend, PEAR etc play with this
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* @todo Make our classes conform to a more straight forward CS.
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*/
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function rcube_autoload($classname)
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{
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$filename = preg_replace(
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array(
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'/Mail_(.+)/',
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'/Net_(.+)/',
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'/Auth_(.+)/',
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'/^utf8$/',
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'/^html_.+/',
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'/^rcube(.*)/',
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),
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array(
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'Mail/\\1',
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'Net/\\1',
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'Auth/\\1',
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'utf8.class',
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RCUBE_LIB_DIR . '/html',
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RCUBE_LIB_DIR . '/rcube\\1',
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),
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$classname
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);
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if ($fp = @fopen("$filename.php", 'r', true)) {
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fclose($fp);
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include_once "$filename.php";
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return true;
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}
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return false;
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}
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/**
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* Local callback function for PEAR errors
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*/
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function rcube_pear_error($err)
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{
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error_log(sprintf("%s (%s): %s",
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$err->getMessage(),
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$err->getCode(),
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$err->getUserinfo()), 0);
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}
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