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Diffstat (limited to 'program/include/rcube_utils.php')
| -rw-r--r-- | program/include/rcube_utils.php | 977 |
1 files changed, 0 insertions, 977 deletions
diff --git a/program/include/rcube_utils.php b/program/include/rcube_utils.php deleted file mode 100644 index df77dfe42..000000000 --- a/program/include/rcube_utils.php +++ /dev/null @@ -1,977 +0,0 @@ -<?php - -/* - +-----------------------------------------------------------------------+ - | program/include/rcube_utils.php | - | | - | This file is part of the Roundcube Webmail client | - | Copyright (C) 2008-2012, The Roundcube Dev Team | - | Copyright (C) 2011-2012, Kolab Systems AG | - | | - | Licensed under the GNU General Public License version 3 or | - | any later version with exceptions for skins & plugins. | - | See the README file for a full license statement. | - | | - | PURPOSE: | - | Utility class providing common functions | - +-----------------------------------------------------------------------+ - | Author: Thomas Bruederli <roundcube@gmail.com> | - | Author: Aleksander Machniak <alec@alec.pl> | - +-----------------------------------------------------------------------+ -*/ - - -/** - * Utility class providing common functions - * - * @package Framework - * @subpackage Utils - */ -class rcube_utils -{ - // define constants for input reading - const INPUT_GET = 0x0101; - const INPUT_POST = 0x0102; - const INPUT_GPC = 0x0103; - - /** - * Helper method to set a cookie with the current path and host settings - * - * @param string Cookie name - * @param string Cookie value - * @param string Expiration time - */ - public static function setcookie($name, $value, $exp = 0) - { - if (headers_sent()) { - return; - } - - $cookie = session_get_cookie_params(); - $secure = $cookie['secure'] || self::https_check(); - - setcookie($name, $value, $exp, $cookie['path'], $cookie['domain'], $secure, true); - } - - /** - * E-mail address validation. - * - * @param string $email Email address - * @param boolean $dns_check True to check dns - * - * @return boolean True on success, False if address is invalid - */ - public static function check_email($email, $dns_check=true) - { - // Check for invalid characters - if (preg_match('/[\x00-\x1F\x7F-\xFF]/', $email)) { - return false; - } - - // Check for length limit specified by RFC 5321 (#1486453) - if (strlen($email) > 254) { - return false; - } - - $email_array = explode('@', $email); - - // Check that there's one @ symbol - if (count($email_array) < 2) { - return false; - } - - $domain_part = array_pop($email_array); - $local_part = implode('@', $email_array); - - // from PEAR::Validate - $regexp = '&^(?: - ("\s*(?:[^"\f\n\r\t\v\b\s]+\s*)+")| #1 quoted name - ([-\w!\#\$%\&\'*+~/^`|{}=]+(?:\.[-\w!\#\$%\&\'*+~/^`|{}=]+)*)) #2 OR dot-atom (RFC5322) - $&xi'; - - if (!preg_match($regexp, $local_part)) { - return false; - } - - // Validate domain part - if (preg_match('/^\[((IPv6:[0-9a-f:.]+)|([0-9.]+))\]$/i', $domain_part, $matches)) { - return self::check_ip(preg_replace('/^IPv6:/i', '', $matches[1])); // valid IPv4 or IPv6 address - } - else { - // If not an IP address - $domain_array = explode('.', $domain_part); - // Not enough parts to be a valid domain - if (sizeof($domain_array) < 2) { - return false; - } - - foreach ($domain_array as $part) { - if (!preg_match('/^(([A-Za-z0-9][A-Za-z0-9-]{0,61}[A-Za-z0-9])|([A-Za-z0-9]))$/', $part)) { - return false; - } - } - - // last domain part - if (preg_match('/[^a-zA-Z]/', array_pop($domain_array))) { - return false; - } - - $rcube = rcube::get_instance(); - - if (!$dns_check || !$rcube->config->get('email_dns_check')) { - return true; - } - - if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' && version_compare(PHP_VERSION, '5.3.0', '<')) { - $lookup = array(); - @exec("nslookup -type=MX " . escapeshellarg($domain_part) . " 2>&1", $lookup); - foreach ($lookup as $line) { - if (strpos($line, 'MX preference')) { - return true; - } - } - return false; - } - - // find MX record(s) - if (!function_exists('getmxrr') || getmxrr($domain_part, $mx_records)) { - return true; - } - - // find any DNS record - if (!function_exists('checkdnsrr') || checkdnsrr($domain_part, 'ANY')) { - return true; - } - } - - return false; - } - - - /** - * Validates IPv4 or IPv6 address - * - * @param string $ip IP address in v4 or v6 format - * - * @return bool True if the address is valid - */ - public static function check_ip($ip) - { - // IPv6, but there's no build-in IPv6 support - if (strpos($ip, ':') !== false && !defined('AF_INET6')) { - $parts = explode(':', $domain_part); - $count = count($parts); - - if ($count > 8 || $count < 2) { - return false; - } - - foreach ($parts as $idx => $part) { - $length = strlen($part); - if (!$length) { - // there can be only one :: - if ($found_empty) { - return false; - } - $found_empty = true; - } - // last part can be an IPv4 address - else if ($idx == $count - 1) { - if (!preg_match('/^[0-9a-f]{1,4}$/i', $part)) { - return @inet_pton($part) !== false; - } - } - else if (!preg_match('/^[0-9a-f]{1,4}$/i', $part)) { - return false; - } - } - - return true; - } - - return @inet_pton($ip) !== false; - } - - - /** - * Check whether the HTTP referer matches the current request - * - * @return boolean True if referer is the same host+path, false if not - */ - public static function check_referer() - { - $uri = parse_url($_SERVER['REQUEST_URI']); - $referer = parse_url(self::request_header('Referer')); - return $referer['host'] == self::request_header('Host') && $referer['path'] == $uri['path']; - } - - - /** - * Replacing specials characters to a specific encoding type - * - * @param string Input string - * @param string Encoding type: text|html|xml|js|url - * @param string Replace mode for tags: show|replace|remove - * @param boolean Convert newlines - * - * @return string The quoted string - */ - public static function rep_specialchars_output($str, $enctype = '', $mode = '', $newlines = true) - { - static $html_encode_arr = false; - static $js_rep_table = false; - static $xml_rep_table = false; - - if (!is_string($str)) { - $str = strval($str); - } - - // encode for HTML output - if ($enctype == 'html') { - if (!$html_encode_arr) { - $html_encode_arr = get_html_translation_table(HTML_SPECIALCHARS); - unset($html_encode_arr['?']); - } - - $encode_arr = $html_encode_arr; - - // don't replace quotes and html tags - if ($mode == 'show' || $mode == '') { - $ltpos = strpos($str, '<'); - if ($ltpos !== false && strpos($str, '>', $ltpos) !== false) { - unset($encode_arr['"']); - unset($encode_arr['<']); - unset($encode_arr['>']); - unset($encode_arr['&']); - } - } - else if ($mode == 'remove') { - $str = strip_tags($str); - } - - $out = strtr($str, $encode_arr); - - return $newlines ? nl2br($out) : $out; - } - - // if the replace tables for XML and JS are not yet defined - if ($js_rep_table === false) { - $js_rep_table = $xml_rep_table = array(); - $xml_rep_table['&'] = '&'; - - // can be increased to support more charsets - for ($c=160; $c<256; $c++) { - $xml_rep_table[chr($c)] = "&#$c;"; - } - - $xml_rep_table['"'] = '"'; - $js_rep_table['"'] = '\\"'; - $js_rep_table["'"] = "\\'"; - $js_rep_table["\\"] = "\\\\"; - // Unicode line and paragraph separators (#1486310) - $js_rep_table[chr(hexdec(E2)).chr(hexdec(80)).chr(hexdec(A8))] = '
'; - $js_rep_table[chr(hexdec(E2)).chr(hexdec(80)).chr(hexdec(A9))] = '
'; - } - - // encode for javascript use - if ($enctype == 'js') { - return preg_replace(array("/\r?\n/", "/\r/", '/<\\//'), array('\n', '\n', '<\\/'), strtr($str, $js_rep_table)); - } - - // encode for plaintext - if ($enctype == 'text') { - return str_replace("\r\n", "\n", $mode=='remove' ? strip_tags($str) : $str); - } - - if ($enctype == 'url') { - return rawurlencode($str); - } - - // encode for XML - if ($enctype == 'xml') { - return strtr($str, $xml_rep_table); - } - - // no encoding given -> return original string - return $str; - } - - - /** - * Read input value and convert it for internal use - * Performs stripslashes() and charset conversion if necessary - * - * @param string Field name to read - * @param int Source to get value from (GPC) - * @param boolean Allow HTML tags in field value - * @param string Charset to convert into - * - * @return string Field value or NULL if not available - */ - public static function get_input_value($fname, $source, $allow_html=FALSE, $charset=NULL) - { - $value = NULL; - - if ($source == self::INPUT_GET) { - if (isset($_GET[$fname])) { - $value = $_GET[$fname]; - } - } - else if ($source == self::INPUT_POST) { - if (isset($_POST[$fname])) { - $value = $_POST[$fname]; - } - } - else if ($source == self::INPUT_GPC) { - if (isset($_POST[$fname])) { - $value = $_POST[$fname]; - } - else if (isset($_GET[$fname])) { - $value = $_GET[$fname]; - } - else if (isset($_COOKIE[$fname])) { - $value = $_COOKIE[$fname]; - } - } - - return self::parse_input_value($value, $allow_html, $charset); - } - - - /** - * Parse/validate input value. See self::get_input_value() - * Performs stripslashes() and charset conversion if necessary - * - * @param string Input value - * @param boolean Allow HTML tags in field value - * @param string Charset to convert into - * - * @return string Parsed value - */ - public static function parse_input_value($value, $allow_html=FALSE, $charset=NULL) - { - global $OUTPUT; - - if (empty($value)) { - return $value; - } - - if (is_array($value)) { - foreach ($value as $idx => $val) { - $value[$idx] = self::parse_input_value($val, $allow_html, $charset); - } - return $value; - } - - // strip single quotes if magic_quotes_sybase is enabled - if (ini_get('magic_quotes_sybase')) { - $value = str_replace("''", "'", $value); - } - // strip slashes if magic_quotes enabled - else if (get_magic_quotes_gpc() || get_magic_quotes_runtime()) { - $value = stripslashes($value); - } - - // remove HTML tags if not allowed - if (!$allow_html) { - $value = strip_tags($value); - } - - $output_charset = is_object($OUTPUT) ? $OUTPUT->get_charset() : null; - - // remove invalid characters (#1488124) - if ($output_charset == 'UTF-8') { - $value = rcube_charset::clean($value); - } - - // convert to internal charset - if ($charset && $output_charset) { - $value = rcube_charset::convert($value, $output_charset, $charset); - } - - return $value; - } - - - /** - * Convert array of request parameters (prefixed with _) - * to a regular array with non-prefixed keys. - * - * @param int $mode Source to get value from (GPC) - * @param string $ignore PCRE expression to skip parameters by name - * - * @return array Hash array with all request parameters - */ - public static function request2param($mode = null, $ignore = 'task|action') - { - $out = array(); - $src = $mode == self::INPUT_GET ? $_GET : ($mode == self::INPUT_POST ? $_POST : $_REQUEST); - - foreach ($src as $key => $value) { - $fname = $key[0] == '_' ? substr($key, 1) : $key; - if ($ignore && !preg_match('/^(' . $ignore . ')$/', $fname)) { - $out[$fname] = self::get_input_value($key, $mode); - } - } - - return $out; - } - - - /** - * Convert the given string into a valid HTML identifier - * Same functionality as done in app.js with rcube_webmail.html_identifier() - */ - public static function html_identifier($str, $encode=false) - { - if ($encode) { - return rtrim(strtr(base64_encode($str), '+/', '-_'), '='); - } - else { - return asciiwords($str, true, '_'); - } - } - - - /** - * Create an edit field for inclusion on a form - * - * @param string col field name - * @param string value field value - * @param array attrib HTML element attributes for field - * @param string type HTML element type (default 'text') - * - * @return string HTML field definition - */ - public static function get_edit_field($col, $value, $attrib, $type = 'text') - { - static $colcounts = array(); - - $fname = '_'.$col; - $attrib['name'] = $fname . ($attrib['array'] ? '[]' : ''); - $attrib['class'] = trim($attrib['class'] . ' ff_' . $col); - - if ($type == 'checkbox') { - $attrib['value'] = '1'; - $input = new html_checkbox($attrib); - } - else if ($type == 'textarea') { - $attrib['cols'] = $attrib['size']; - $input = new html_textarea($attrib); - } - else if ($type == 'select') { - $input = new html_select($attrib); - $input->add('---', ''); - $input->add(array_values($attrib['options']), array_keys($attrib['options'])); - } - else if ($attrib['type'] == 'password') { - $input = new html_passwordfield($attrib); - } - else { - if ($attrib['type'] != 'text' && $attrib['type'] != 'hidden') { - $attrib['type'] = 'text'; - } - $input = new html_inputfield($attrib); - } - - // use value from post - if (isset($_POST[$fname])) { - $postvalue = self::get_input_value($fname, self::INPUT_POST, true); - $value = $attrib['array'] ? $postvalue[intval($colcounts[$col]++)] : $postvalue; - } - - $out = $input->show($value); - - return $out; - } - - - /** - * Replace all css definitions with #container [def] - * and remove css-inlined scripting - * - * @param string CSS source code - * @param string Container ID to use as prefix - * - * @return string Modified CSS source - */ - public static function mod_css_styles($source, $container_id, $allow_remote=false) - { - $last_pos = 0; - $replacements = new rcube_string_replacer; - - // ignore the whole block if evil styles are detected - $source = self::xss_entity_decode($source); - $stripped = preg_replace('/[^a-z\(:;]/i', '', $source); - $evilexpr = 'expression|behavior|javascript:|import[^a]' . (!$allow_remote ? '|url\(' : ''); - if (preg_match("/$evilexpr/i", $stripped)) { - return '/* evil! */'; - } - - // cut out all contents between { and } - while (($pos = strpos($source, '{', $last_pos)) && ($pos2 = strpos($source, '}', $pos))) { - $styles = substr($source, $pos+1, $pos2-($pos+1)); - - // check every line of a style block... - if ($allow_remote) { - $a_styles = preg_split('/;[\r\n]*/', $styles, -1, PREG_SPLIT_NO_EMPTY); - foreach ($a_styles as $line) { - $stripped = preg_replace('/[^a-z\(:;]/i', '', $line); - // ... and only allow strict url() values - $regexp = '!url\s*\([ "\'](https?:)//[a-z0-9/._+-]+["\' ]\)!Uims'; - if (stripos($stripped, 'url(') && !preg_match($regexp, $line)) { - $a_styles = array('/* evil! */'); - break; - } - } - $styles = join(";\n", $a_styles); - } - - $key = $replacements->add($styles); - $source = substr($source, 0, $pos+1) - . $replacements->get_replacement($key) - . substr($source, $pos2, strlen($source)-$pos2); - $last_pos = $pos+2; - } - - // remove html comments and add #container to each tag selector. - // also replace body definition because we also stripped off the <body> tag - $styles = preg_replace( - array( - '/(^\s*<!--)|(-->\s*$)/', - '/(^\s*|,\s*|\}\s*)([a-z0-9\._#\*][a-z0-9\.\-_]*)/im', - '/'.preg_quote($container_id, '/').'\s+body/i', - ), - array( - '', - "\\1#$container_id \\2", - $container_id, - ), - $source); - - // put block contents back in - $styles = $replacements->resolve($styles); - - return $styles; - } - - - /** - * Generate CSS classes from mimetype and filename extension - * - * @param string $mimetype Mimetype - * @param string $filename Filename - * - * @return string CSS classes separated by space - */ - public static function file2class($mimetype, $filename) - { - list($primary, $secondary) = explode('/', $mimetype); - - $classes = array($primary ? $primary : 'unknown'); - if ($secondary) { - $classes[] = $secondary; - } - if (preg_match('/\.([a-z0-9]+)$/i', $filename, $m)) { - $classes[] = $m[1]; - } - - return strtolower(join(" ", $classes)); - } - - - /** - * Decode escaped entities used by known XSS exploits. - * See http://downloads.securityfocus.com/vulnerabilities/exploits/26800.eml for examples - * - * @param string CSS content to decode - * - * @return string Decoded string - */ - public static function xss_entity_decode($content) - { - $out = html_entity_decode(html_entity_decode($content)); - $out = preg_replace_callback('/\\\([0-9a-f]{4})/i', - array(self, 'xss_entity_decode_callback'), $out); - $out = preg_replace('#/\*.*\*/#Ums', '', $out); - - return $out; - } - - - /** - * preg_replace_callback callback for xss_entity_decode - * - * @param array $matches Result from preg_replace_callback - * - * @return string Decoded entity - */ - public static function xss_entity_decode_callback($matches) - { - return chr(hexdec($matches[1])); - } - - - /** - * Check if we can process not exceeding memory_limit - * - * @param integer Required amount of memory - * - * @return boolean True if memory won't be exceeded, False otherwise - */ - public static function mem_check($need) - { - $mem_limit = parse_bytes(ini_get('memory_limit')); - $memory = function_exists('memory_get_usage') ? memory_get_usage() : 16*1024*1024; // safe value: 16MB - - return $mem_limit > 0 && $memory + $need > $mem_limit ? false : true; - } - - - /** - * Check if working in SSL mode - * - * @param integer $port HTTPS port number - * @param boolean $use_https Enables 'use_https' option checking - * - * @return boolean - */ - public static function https_check($port=null, $use_https=true) - { - global $RCMAIL; - - if (!empty($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) != 'off') { - return true; - } - if (!empty($_SERVER['HTTP_X_FORWARDED_PROTO']) && strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https') { - return true; - } - if ($port && $_SERVER['SERVER_PORT'] == $port) { - return true; - } - if ($use_https && isset($RCMAIL) && $RCMAIL->config->get('use_https')) { - return true; - } - - return false; - } - - - /** - * Replaces hostname variables. - * - * @param string $name Hostname - * @param string $host Optional IMAP hostname - * - * @return string Hostname - */ - public static function parse_host($name, $host = '') - { - // %n - host - $n = preg_replace('/:\d+$/', '', $_SERVER['SERVER_NAME']); - // %t - host name without first part, e.g. %n=mail.domain.tld, %t=domain.tld - $t = preg_replace('/^[^\.]+\./', '', $n); - // %d - domain name without first part - $d = preg_replace('/^[^\.]+\./', '', $_SERVER['HTTP_HOST']); - // %h - IMAP host - $h = $_SESSION['storage_host'] ? $_SESSION['storage_host'] : $host; - // %z - IMAP domain without first part, e.g. %h=imap.domain.tld, %z=domain.tld - $z = preg_replace('/^[^\.]+\./', '', $h); - // %s - domain name after the '@' from e-mail address provided at login screen. Returns FALSE if an invalid email is provided - if (strpos($name, '%s') !== false) { - $user_email = self::get_input_value('_user', self::INPUT_POST); - $user_email = self::idn_convert($user_email, true); - $matches = preg_match('/(.*)@([a-z0-9\.\-\[\]\:]+)/i', $user_email, $s); - if ($matches < 1 || filter_var($s[1]."@".$s[2], FILTER_VALIDATE_EMAIL) === false) { - return false; - } - } - - $name = str_replace(array('%n', '%t', '%d', '%h', '%z', '%s'), array($n, $t, $d, $h, $z, $s[2]), $name); - return $name; - } - - - /** - * Returns remote IP address and forwarded addresses if found - * - * @return string Remote IP address(es) - */ - public static function remote_ip() - { - $address = $_SERVER['REMOTE_ADDR']; - - // append the NGINX X-Real-IP header, if set - if (!empty($_SERVER['HTTP_X_REAL_IP'])) { - $remote_ip[] = 'X-Real-IP: ' . $_SERVER['HTTP_X_REAL_IP']; - } - // append the X-Forwarded-For header, if set - if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { - $remote_ip[] = 'X-Forwarded-For: ' . $_SERVER['HTTP_X_FORWARDED_FOR']; - } - - if (!empty($remote_ip)) { - $address .= '(' . implode(',', $remote_ip) . ')'; - } - - return $address; - } - - - /** - * Read a specific HTTP request header. - * - * @param string $name Header name - * - * @return mixed Header value or null if not available - */ - public static function request_header($name) - { - if (function_exists('getallheaders')) { - $hdrs = array_change_key_case(getallheaders(), CASE_UPPER); - $key = strtoupper($name); - } - else { - $key = 'HTTP_' . strtoupper(strtr($name, '-', '_')); - $hdrs = array_change_key_case($_SERVER, CASE_UPPER); - } - - return $hdrs[$key]; - } - - /** - * Explode quoted string - * - * @param string Delimiter expression string for preg_match() - * @param string Input string - * - * @return array String items - */ - public static function explode_quoted_string($delimiter, $string) - { - $result = array(); - $strlen = strlen($string); - - for ($q=$p=$i=0; $i < $strlen; $i++) { - if ($string[$i] == "\"" && $string[$i-1] != "\\") { - $q = $q ? false : true; - } - else if (!$q && preg_match("/$delimiter/", $string[$i])) { - $result[] = substr($string, $p, $i - $p); - $p = $i + 1; - } - } - - $result[] = (string) substr($string, $p); - - return $result; - } - - - /** - * Improved equivalent to strtotime() - * - * @param string $date Date string - * - * @return int Unix timestamp - */ - public static function strtotime($date) - { - // check for MS Outlook vCard date format YYYYMMDD - if (preg_match('/^([12][90]\d\d)([01]\d)(\d\d)$/', trim($date), $matches)) { - return mktime(0,0,0, intval($matches[2]), intval($matches[3]), intval($matches[1])); - } - else if (is_numeric($date)) { - return $date; - } - - // support non-standard "GMTXXXX" literal - $date = preg_replace('/GMT\s*([+-][0-9]+)/', '\\1', $date); - - // if date parsing fails, we have a date in non-rfc format. - // remove token from the end and try again - while ((($ts = @strtotime($date)) === false) || ($ts < 0)) { - $d = explode(' ', $date); - array_pop($d); - if (!$d) { - break; - } - $date = implode(' ', $d); - } - - return $ts; - } - - - /* - * Idn_to_ascii wrapper. - * Intl/Idn modules version of this function doesn't work with e-mail address - */ - public static function idn_to_ascii($str) - { - return self::idn_convert($str, true); - } - - - /* - * Idn_to_ascii wrapper. - * Intl/Idn modules version of this function doesn't work with e-mail address - */ - public static function idn_to_utf8($str) - { - return self::idn_convert($str, false); - } - - - public static function idn_convert($input, $is_utf=false) - { - if ($at = strpos($input, '@')) { - $user = substr($input, 0, $at); - $domain = substr($input, $at+1); - } - else { - $domain = $input; - } - - $domain = $is_utf ? idn_to_ascii($domain) : idn_to_utf8($domain); - - if ($domain === false) { - return ''; - } - - return $at ? $user . '@' . $domain : $domain; - } - - /** - * Split the given string into word tokens - * - * @param string Input to tokenize - * @return array List of tokens - */ - public static function tokenize_string($str) - { - return explode(" ", preg_replace( - array('/[\s;\/+-]+/i', '/(\d)[-.\s]+(\d)/', '/\s\w{1,3}\s/u'), - array(' ', '\\1\\2', ' '), - $str)); - } - - /** - * Normalize the given string for fulltext search. - * Currently only optimized for Latin-1 characters; to be extended - * - * @param string Input string (UTF-8) - * @param boolean True to return list of words as array - * @return mixed Normalized string or a list of normalized tokens - */ - public static function normalize_string($str, $as_array = false) - { - // split by words - $arr = self::tokenize_string($str); - - foreach ($arr as $i => $part) { - if (utf8_encode(utf8_decode($part)) == $part) { // is latin-1 ? - $arr[$i] = utf8_encode(strtr(strtolower(strtr(utf8_decode($part), - 'ÇçäâàåéêëèïîìÅÉöôòüûùÿøØáíóúñÑÁÂÀãÃÊËÈÍÎÏÓÔõÕÚÛÙýÝ', - 'ccaaaaeeeeiiiaeooouuuyooaiounnaaaaaeeeiiioooouuuyy')), - array('ß' => 'ss', 'ae' => 'a', 'oe' => 'o', 'ue' => 'u'))); - } - else - $arr[$i] = mb_strtolower($part); - } - - return $as_array ? $arr : join(" ", $arr); - } - - /** - * Parse commandline arguments into a hash array - * - * @param array $aliases Argument alias names - * - * @return array Argument values hash - */ - public static function get_opt($aliases = array()) - { - $args = array(); - - for ($i=1; $i < count($_SERVER['argv']); $i++) { - $arg = $_SERVER['argv'][$i]; - $value = true; - $key = null; - - if ($arg[0] == '-') { - $key = preg_replace('/^-+/', '', $arg); - $sp = strpos($arg, '='); - if ($sp > 0) { - $key = substr($key, 0, $sp - 2); - $value = substr($arg, $sp+1); - } - else if (strlen($_SERVER['argv'][$i+1]) && $_SERVER['argv'][$i+1][0] != '-') { - $value = $_SERVER['argv'][++$i]; - } - - $args[$key] = is_string($value) ? preg_replace(array('/^["\']/', '/["\']$/'), '', $value) : $value; - } - else { - $args[] = $arg; - } - - if ($alias = $aliases[$key]) { - $args[$alias] = $args[$key]; - } - } - - return $args; - } - - /** - * Safe password prompt for command line - * from http://blogs.sitepoint.com/2009/05/01/interactive-cli-password-prompt-in-php/ - * - * @return string Password - */ - public static function prompt_silent($prompt = "Password:") - { - if (preg_match('/^win/i', PHP_OS)) { - $vbscript = sys_get_temp_dir() . 'prompt_password.vbs'; - $vbcontent = 'wscript.echo(InputBox("' . addslashes($prompt) . '", "", "password here"))'; - file_put_contents($vbscript, $vbcontent); - - $command = "cscript //nologo " . escapeshellarg($vbscript); - $password = rtrim(shell_exec($command)); - unlink($vbscript); - - return $password; - } - else { - $command = "/usr/bin/env bash -c 'echo OK'"; - if (rtrim(shell_exec($command)) !== 'OK') { - echo $prompt; - $pass = trim(fgets(STDIN)); - echo chr(8)."\r" . $prompt . str_repeat("*", strlen($pass))."\n"; - return $pass; - } - - $command = "/usr/bin/env bash -c 'read -s -p \"" . addslashes($prompt) . "\" mypassword && echo \$mypassword'"; - $password = rtrim(shell_exec($command)); - echo "\n"; - return $password; - } - } - - - /** - * Find out if the string content means true or false - * - * @param string $str Input value - * - * @return boolean Boolean value - */ - public static function get_boolean($str) - { - $str = strtolower($str); - - return !in_array($str, array('false', '0', 'no', 'off', 'nein', ''), true); - } - -} |