/**
* strings.php
*
- * Copyright (c) 1999-2005 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
- *
* This code provides various string manipulation functions that are
* used by the rest of the SquirrelMail code.
*
+ * @copyright © 1999-2005 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
* @version $Id$
* @package squirrelmail
*/
+/** @ignore */
+if (!defined('SM_PATH')) define('SM_PATH','../');
+
/**
* SquirrelMail version number -- DO NOT CHANGE
*/
* referenced by the include of global.php, etc. before it's defined.
* For that reason, bring in global.php AFTER we define the version strings.
*/
-require_once(SM_PATH . 'functions/global.php');
+include_once(SM_PATH . 'functions/global.php');
/**
* Appends citation markers to the string.
* Also appends a trailing space.
*
* @author Justus Pendleton
- *
- * @param string str The string to append to
- * @param int citeLevel the number of markers to append
+ * @param string $str The string to append to
+ * @param int $citeLevel the number of markers to append
* @return null
+ * @since 1.5.1
*/
function sqMakeCite (&$str, $citeLevel) {
for ($i = 0; $i < $citeLevel; $i++) {
* markers to the newline as necessary.
*
* @author Justus Pendleton
- *
- * @param string str the string to make a newline in
- * @param int citeLevel the citation level the newline is at
- * @param int column starting column of the newline
+ * @param string $str the string to make a newline in
+ * @param int $citeLevel the citation level the newline is at
+ * @param int $column starting column of the newline
* @return null
+ * @since 1.5.1
*/
function sqMakeNewLine (&$str, $citeLevel, &$column) {
$str .= "\n";
*
* @param string $string tested string
* @return bool true when only whitespace symbols are present in test string
+ * @since 1.5.1
*/
function sm_ctype_space($string) {
if ( preg_match('/^[\x09-\x0D]|^\x20/', $string) || $string=='') {
* bit smarter and when and how to wrap.
*
* @author Justus Pendleton
- *
- * @param string body the entire body of text
- * @param int wrap the maximum line length
+ * @param string $body the entire body of text
+ * @param int $wrap the maximum line length
* @return string the wrapped text
+ * @since 1.5.1
*/
function &sqBodyWrap (&$body, $wrap) {
//check for ctype support, and fake it if it doesn't exist
* Specifically, &#039; comes up as 5 characters instead of 1.
* This should not add newlines to the end of lines.
*
- * @param string line the line of text to wrap, by ref
- * @param int wrap the maximum line lenth
- * @param string charset name of charset used in $line string. Available since v.1.5.1.
+ * @param string $line the line of text to wrap, by ref
+ * @param int $wrap the maximum line lenth
+ * @param string $charset name of charset used in $line string. Available since v.1.5.1.
* @return void
+ * @since 1.0
*/
function sqWordWrap(&$line, $wrap, $charset='') {
global $languages, $squirrelmail_language;
/**
* Does the opposite of sqWordWrap()
- * @param string body the text to un-wordwrap
+ * @param string $body the text to un-wordwrap
* @return void
+ * @since 1.0
*/
function sqUnWordWrap(&$body) {
global $squirrelmail_language;
* @param string haystack full mailbox name to search
* @param string needle the mailbox separator character
* @return string the last part of the mailbox name
+ * @since 1.0
*/
function readShortMailboxName($haystack, $needle) {
}
/**
- * php_self
- *
- * Creates an URL for the page calling this function, using either the PHP global
- * REQUEST_URI, or the PHP global PHP_SELF with QUERY_STRING added.
+ * Find out where SquirrelMail lives and try to be smart about it.
+ * The only problem would be when SquirrelMail lives in directories
+ * called "src", "functions", or "plugins", but people who do that need
+ * to be beaten with a steel pipe anyway.
*
- * @return string the complete url for this page
+ * @return string the base uri of SquirrelMail installation.
+ * @since 1.2.6
*/
-function php_self () {
- if ( sqgetGlobalVar('REQUEST_URI', $req_uri, SQ_SERVER) && !empty($req_uri) ) {
- return $req_uri;
- }
-
- if ( sqgetGlobalVar('PHP_SELF', $php_self, SQ_SERVER) && !empty($php_self) ) {
-
- // need to add query string to end of PHP_SELF to match REQUEST_URI
- //
- if ( sqgetGlobalVar('QUERY_STRING', $query_string, SQ_SERVER) && !empty($query_string) ) {
- $php_self .= '?' . $query_string;
- }
-
- return $php_self;
+function sqm_baseuri(){
+ global $base_uri, $PHP_SELF;
+ /**
+ * If it is in the session, just return it.
+ */
+ if (isset($base_uri)){
+ return $base_uri;
}
-
- return '';
+ $dirs = array('|src/.*|', '|plugins/.*|', '|functions/.*|');
+ $repl = array('', '', '');
+ $base_uri = preg_replace($dirs, $repl, $PHP_SELF);
+ return $base_uri;
}
-
/**
* get_location
*
* http://www.example.com/squirrelmail/
*
* @return string the base url for this SquirrelMail installation
+ * @since 1.0
*/
function get_location () {
* stored in a cookie. The encryption key is generated by
* OneTimePadCreate();
*
- * @param string string the (password)string to encrypt
- * @param string epad the encryption key
+ * @param string $string the (password)string to encrypt
+ * @param string $epad the encryption key
* @return string the base64-encoded encrypted password
+ * @since 1.0
*/
function OneTimePadEncrypt ($string, $epad) {
$pad = base64_decode($epad);
+
+ if (strlen($pad)>0) {
+ // make sure that pad is longer than string
+ while (strlen($string)>strlen($pad)) {
+ $pad.=$pad;
+ }
+ } else {
+ // FIXME: what should we do when $epad is not base64 encoded or empty.
+ }
+
$encrypted = '';
for ($i = 0; $i < strlen ($string); $i++) {
$encrypted .= chr (ord($string[$i]) ^ ord($pad[$i]));
* Decrypts a password from the cookie, encrypted by OneTimePadEncrypt.
* This uses the encryption key that is stored in the session.
*
- * @param string string the string to decrypt
- * @param string epad the encryption key from the session
+ * @param string $string the string to decrypt
+ * @param string $epad the encryption key from the session
* @return string the decrypted password
+ * @since 1.0
*/
function OneTimePadDecrypt ($string, $epad) {
$pad = base64_decode($epad);
+
+ if (strlen($pad)>0) {
+ // make sure that pad is longer than string
+ while (strlen($string)>strlen($pad)) {
+ $pad.=$pad;
+ }
+ } else {
+ // FIXME: what should we do when $epad is not base64 encoded or empty.
+ }
+
$encrypted = base64_decode ($string);
$decrypted = '';
for ($i = 0; $i < strlen ($encrypted); $i++) {
* appropriately. With strings, it is better to get them long.
* Use md5() to lengthen smaller strings.
*
- * @param mixed val a value to seed the random number generator
+ * @param mixed $val a value to seed the random number generator. mixed = integer or string.
* @return void
+ * @since 1.0
*/
function sq_mt_seed($Val) {
/* if mt_getrandmax() does not return a 2^n - 1 number,
* the same 'random' numbers twice in one session.
*
* @return void
+ * @since 1.0
*/
function sq_mt_randomize() {
static $randomized;
* Creates an encryption key for encrypting the password stored in the cookie.
* The encryption key itself is stored in the session.
*
- * @param int length optional, length of the string to generate
+ * Pad must be longer or equal to encoded string length in 1.4.4/1.5.0 and older.
+ * @param int $length optional, length of the string to generate
* @return string the encryption key
+ * @since 1.0
*/
function OneTimePadCreate ($length=100) {
sq_mt_randomize();
/**
* Returns a string showing the size of the message/attachment.
*
- * @param int bytes the filesize in bytes
+ * @param int $bytes the filesize in bytes
* @return string the filesize in human readable format
+ * @since 1.0
*/
function show_readable_size($bytes) {
$bytes /= 1024;
settype($bytes, 'integer');
}
- return $bytes . '<small> ' . $type . '</small>';
+ return $bytes . ' ' . $type;
}
/**
* Generates a random string from the character set you pass in
*
- * @param int size the size of the string to generate
- * @param string chars a string containing the characters to use
- * @param int flags a flag to add a specific set to the characters to use:
+ * @param int $size the length of the string to generate
+ * @param string $chars a string containing the characters to use
+ * @param int $flags a flag to add a specific set to the characters to use:
* Flags:
* 1 = add lowercase a-z to $chars
* 2 = add uppercase A-Z to $chars
* 4 = add numbers 0-9 to $chars
* @return string the random string
+ * @since 1.0
*/
function GenerateRandomString($size, $chars, $flags = 0) {
if ($flags & 0x1) {
/**
* Escapes special characters for use in IMAP commands.
*
- * @param string the string to escape
+ * @param string $str the string to escape
* @return string the escaped string
+ * @since 1.0.3
*/
function quoteimap($str) {
return preg_replace("/([\"\\\\])/", "\\\\$1", $str);
* Trims array
*
* Trims every element in the array, ie. remove the first char of each element
- * @param array array the array to trim
+ * @param array $array the array to trim
+ * @since 1.2.0
*/
function TrimArray(&$array) {
foreach ($array as $k => $v) {
*
* Returns a link to the compose-page, taking in consideration
* the compose_in_new and javascript settings.
- * @param string url the URL to the compose page
- * @param string text the link text, default "Compose"
+ * @param string $url the URL to the compose page
+ * @param string $text the link text, default "Compose"
+ * @param string $target (since 1.4.3) url target
* @return string a link to the compose page
+ * @since 1.4.2
*/
-function makeComposeLink($url, $text = null, $target='')
-{
- global $compose_new_win,$javascript_on;
+function makeComposeLink($url, $text = null, $target='') {
+ global $compose_new_win,$javascript_on, $compose_width, $compose_height;
if(!$text) {
$text = _("Compose");
}
-
// if not using "compose in new window", make
// regular link and be done with it
if($compose_new_win != '1') {
return makeInternalLink($url, $text, $target);
}
-
// build the compose in new window link...
// if javascript is on, use onclick event to handle it
if($javascript_on) {
sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION);
- return '<a href="javascript:void(0)" onclick="comp_in_new(\''.$base_uri.$url.'\')">'. $text.'</a>';
+ $compuri = $base_uri.$url;
+ return "<a href=\"javascript:void(0)\" onclick=\"comp_in_new('$compuri','$compose_width','$compose_height')\">$text</a>";
}
-
// otherwise, just open new window using regular HTML
return makeInternalLink($url, $text, '_blank');
-
}
/**
/**
* version of fwrite which checks for failure
+ * @param resource $fp
+ * @param string $string
+ * @return number of written bytes. false on failure
+ * @since 1.4.3
*/
function sq_fwrite($fp, $string) {
// write to file
* </ul>
* @param string $charset charset used for encoding. default to us-ascii, 'auto' uses $default_charset global value.
* @return array html translation array
+ * @since 1.5.1
*/
function sq_get_html_translation_table($table,$quote_style=ENT_COMPAT,$charset='us-ascii') {
global $default_charset;
* </ul>
* @param string $charset charset used for encoding. defaults to 'us-ascii', 'auto' uses $default_charset global value.
* @return string sanitized string
+ * @since 1.5.1
*/
function sq_htmlentities($string,$quote_style=ENT_COMPAT,$charset='us-ascii') {
// get translation table
* If you want to test all mbstring encodings - fill $list_of_encodings
* array.
* @return array list of encodings supported by php mbstring extension
- * @since 1.5.1
+ * @since 1.5.1 and 1.4.6
*/
function sq_mb_list_encodings() {
if (! function_exists('mb_internal_encoding'))
return array();
+ // php 5+ function
+ if (function_exists('mb_list_encodings')) {
+ $ret = mb_list_encodings();
+ array_walk($ret,'sq_lowercase_array_vals');
+ return $ret;
+ }
+
// don't try to test encodings, if they are already stored in session
if (sqgetGlobalVar('mb_supported_encodings',$mb_supported_encodings,SQ_SESSION))
return $mb_supported_encodings;
'windows-1256',
'tis-620',
'iso-2022-jp',
+ 'euc-cn',
'euc-kr',
+ 'euc-tw',
+ 'uhc',
'utf7-imap');
$supported_encodings=array();
return $supported_encodings;
}
+/**
+ * Callback function used to lowercase array values.
+ * @param string $val array value
+ * @param mixed $key array key
+ * @since 1.5.1 and 1.4.6
+ */
+function sq_lowercase_array_vals(&$val,$key) {
+ $val = strtolower($val);
+}
+
+
/**
* Function returns number of characters in string.
*
* Returned number might be different from number of bytes in string,
- * if $charset is multibyte charset. Detection depends on mbstring
+ * if $charset is multibyte charset. Detection depends on mbstring
* functions. If mbstring does not support tested multibyte charset,
- * vanilla string length function is used.
+ * vanilla string length function is used.
* @param string $str string
* @param string $charset charset
- * @since 1.5.1
- * @return integer number of characters in string
+ * @since 1.5.1 and 1.4.6
+ * @return integer number of characters in string
*/
-function sq_strlen($str, $charset=''){
+function sq_strlen($str, $charset=null){
// default option
- if ($charset=='') return strlen($str);
+ if (is_null($charset)) return strlen($str);
+
+ // lowercase charset name
+ $charset=strtolower($charset);
// use automatic charset detection, if function call asks for it
if ($charset=='auto') {
$charset=$default_charset;
}
- // lowercase charset name
- $charset=strtolower($charset);
-
// Use mbstring only with listed charsets
$aList_of_mb_charsets=array('utf-8','big5','gb2312','gb18030','euc-jp','euc-cn','euc-tw','euc-kr');
if (in_array($charset,$aList_of_mb_charsets) && in_array($charset,sq_mb_list_encodings())) {
$real_length = mb_strlen($str,$charset);
} else {
- // own strlen detection code is removed because missing strpos,
+ // own strlen detection code is removed because missing strpos,
// strtoupper and substr implementations break string wrapping.
$real_length=strlen($str);
}
* @param string $string original string
* @param integer $width padded string width
* @param string $pad padding symbols
- * @param integer $padtype padding type
+ * @param integer $padtype padding type
* (internal php defines, see str_pad() description)
* @param string $charset charset used in original string
* @return string padded string
$charset=$default_charset;
}
$charset = strtolower($charset);
- if (function_exists('mb_internal_encoding') &&
+ if (function_exists('mb_internal_encoding') &&
in_array($charset,sq_mb_list_encodings())) {
return mb_substr($string,$start,$length,$charset);
}
$charset=$default_charset;
}
$charset = strtolower($charset);
- if (function_exists('mb_internal_encoding') &&
+ if (function_exists('mb_internal_encoding') &&
in_array($charset,sq_mb_list_encodings())) {
return mb_strpos($haystack,$needle,$offset,$charset);
}
$charset=$default_charset;
}
$charset = strtolower($charset);
- if (function_exists('mb_strtoupper') &&
+ if (function_exists('mb_strtoupper') &&
in_array($charset,sq_mb_list_encodings())) {
return mb_strtoupper($string,$charset);
}
// use vanilla string functions as last option
return strtoupper($string);
}
-$PHP_SELF = php_self();
+
+/**
+ * Counts 8bit bytes in string
+ * @param string $string tested string
+ * @return integer number of 8bit bytes
+ */
+function sq_count8bit($string) {
+ $count=0;
+ for ($i=0; $i<strlen($string); $i++) {
+ if (ord($string[$i]) > 127) $count++;
+ }
+ return $count;
+}
+
?>
projects / squirrelmail.git / blobdiff