X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fstrings.php;h=e3791452b162a76a37989529b6ef32d4210ed502;hp=fd7429358071d76c606a12b23cccf2a5e837726d;hb=7fe09a30292a999b7710c89b4901e4f0ca1872ae;hpb=298d400579ebc6101881453cad277ef1ce982226 diff --git a/functions/strings.php b/functions/strings.php index fd742935..af51b987 100644 --- a/functions/strings.php +++ b/functions/strings.php @@ -1,325 +1,463 @@ ]*)([^\t >].*)?$", $line, $regs); + $beginning_spaces = $regs[1]; + if (isset($regs[2])) { + $words = explode(' ', $regs[2]); + } else { + $words = ''; + } + + $i = 0; + $line = $beginning_spaces; + + while ($i < count($words)) { + /* Force one word to be on a line (minimum) */ + $line .= $words[$i]; + $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 2; + if (isset($words[$i + 1])) + $line_len += strlen($words[$i + 1]); + $i ++; + + /* Add more words (as long as they fit) */ + while ($line_len < $wrap && $i < count($words)) { + $line .= ' ' . $words[$i]; + $i++; + if (isset($words[$i])) + $line_len += strlen($words[$i]) + 1; + else + $line_len += 1; + } + + /* Skip spaces if they are the first thing on a continued line */ + while (!isset($words[$i]) && $i < count($words)) { + $i ++; + } + + /* Go to the next line if we have more to process */ + if ($i < count($words)) { + $line .= "\n"; + } + } +} + +/** + * Does the opposite of sqWordWrap() + */ +function sqUnWordWrap(&$body) { + global $squirrelmail_language; + + if ($squirrelmail_language == 'ja_JP') { + return; + } + + $lines = explode("\n", $body); + $body = ''; + $PreviousSpaces = ''; + $cnt = count($lines); + for ($i = 0; $i < $cnt; $i ++) { + preg_match("/^([\t >]*)([^\t >].*)?$/", $lines[$i], $regs); + $CurrentSpaces = $regs[1]; + if (isset($regs[2])) { + $CurrentRest = $regs[2]; + } else { + $CurrentRest = ''; + } + + if ($i == 0) { + $PreviousSpaces = $CurrentSpaces; + $body = $lines[$i]; + } else if (($PreviousSpaces == $CurrentSpaces) /* Do the beginnings match */ + && (strlen($lines[$i - 1]) > 65) /* Over 65 characters long */ + && strlen($CurrentRest)) { /* and there's a line to continue with */ + $body .= ' ' . $CurrentRest; + } else { + $body .= "\n" . $lines[$i]; + $PreviousSpaces = $CurrentSpaces; + } + } + $body .= "\n"; +} + +/** + * If $haystack is a full mailbox name and $needle is the mailbox + * separator character, returns the last part of the mailbox name. + */ +function readShortMailboxName($haystack, $needle) { + + if ($needle == '') { + $elem = $haystack; + } else { + $parts = explode($needle, $haystack); + $elem = array_pop($parts); + while ($elem == '' && count($parts)) { + $elem = array_pop($parts); + } + } + return( $elem ); +} + +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) ) { + return $php_self; + } + + return ''; +} + + +/** + * This determines the location to forward to relative to your server. + * If this doesnt work correctly for you (although it should), you can + * remove all this code except the last two lines, and change the header() + * function to look something like this, customized to the location of + * SquirrelMail on your server: + * + * http://www.myhost.com/squirrelmail/src/login.php + */ +function get_location () { + + global $imap_server_type; + + /* Get the path, handle virtual directories */ + $path = substr(php_self(), 0, strrpos(php_self(), '/')); + + if ( sqgetGlobalVar('sq_base_url', $full_url, SQ_SESSION) ) { + return $full_url . $path; + } + + /* Check if this is a HTTPS or regular HTTP request. */ + $proto = 'http://'; + + /* + * If you have 'SSLOptions +StdEnvVars' in your apache config + * OR if you have HTTPS=on in your HTTP_SERVER_VARS + * OR if you are on port 443 + */ + $getEnvVar = getenv('HTTPS'); + if ((isset($getEnvVar) && !strcasecmp($getEnvVar, 'on')) || + (sqgetGlobalVar('HTTPS', $https_on, SQ_SERVER) && !strcasecmp($https_on, 'on')) || + (sqgetGlobalVar('SERVER_PORT', $server_port, SQ_SERVER) && $server_port == 443)) { + $proto = 'https://'; + } + + /* Get the hostname from the Host header or server config. */ + if ( !sqgetGlobalVar('HTTP_HOST', $host, SQ_SERVER) || empty($host) ) { + if ( !sqgetGlobalVar('SERVER_NAME', $host, SQ_SERVER) || empty($host) ) { + $host = ''; } - return $count; - } - - //************************************************************************* - // Read from the back of $haystack until $needle is found, or the begining - // of the $haystack is reached. - //************************************************************************* - function readShortMailboxName($haystack, $needle) { - if (substr($haystack, -1) == $needle) - $haystack = substr($haystack, 0, strlen($haystack) - 1); - - if (strrpos($haystack, $needle)) { - $pos = strrpos($haystack, $needle) + 1; - $data = substr($haystack, $pos, strlen($haystack)); - } else { - $data = $haystack; - } - return $data; - } - - // Searches for the next position in a string minus white space - function next_pos_minus_white ($haystack, $pos) { - while (substr($haystack, $pos, 1) == " " || - substr($haystack, $pos, 1) == "\t" || - substr($haystack, $pos, 1) == "\n" || - substr($haystack, $pos, 1) == "\r") { - if ($pos >= strlen($haystack)) - return -1; - $pos++; - } - return $pos; - } - - // Wraps text at $wrap characters - function sqWordWrap($passed, $wrap) { - $passed = str_replace("<", "<", $passed); - $passed = str_replace(">", ">", $passed); - - preg_match("/^(\s|>)+/", $passed, $regs); - $beginning_spaces = $regs[0]; - - $words = explode(" ", $passed); - $i = -1; - $line_len = strlen($words[0])+1; - $line = ""; - if (count($words) > 1) { - while ($i++ < count($words)) { - while ($line_len < $wrap) { - $line = "$line$words[$i] "; - $i++; - $line_len = $line_len + strlen($words[$i]) + 1; - } - $line_len = strlen($words[$i])+1; - if ($line_len <= $wrap) { - if (strlen($beginning_spaces) +2 >= $wrap) - $beginning_spaces = ""; - if ($i < count($words)) { // don't
the last line - $line = "$line\n$beginning_spaces"; - } - $line = "$line$words[$i] "; - $line_len = strlen($beginning_spaces) + strlen($words[$i]) + 1; - } else { - /* - $endline = $words[$i]; - while ($line_len >= $wrap) { - $bigline = substr($endline, 0, $wrap); - $endline = substr($endline, $wrap, strlen($endline)); - $line_len = strlen($endline); - $line = "$line$bigline
"; - } - */ - if (strlen($line) > $wrap) - $line = "$line\n$words[$i]"; - else - $line = "$line$words[$i]"; - $line_len = strlen($words[$i]); + } + + $port = ''; + if (! strstr($host, ':')) { + if (sqgetGlobalVar('SERVER_PORT', $server_port, SQ_SERVER)) { + if (($server_port != 80 && $proto == 'http://') || + ($server_port != 443 && $proto == 'https://')) { + $port = sprintf(':%d', $server_port); } - } - } else { - $line = $words[0]; - } - - $line = str_replace(">", ">", $line); - $line = str_replace("<", "<", $line); - return $line; - } - - /** Returns an array of email addresses **/ - function parseAddrs($text) { - if (trim($text) == "") { - return; - } - $text = str_replace(" ", "", $text); - $text = ereg_replace( '"[^"]*"', "", $text); - $text = str_replace(",", ";", $text); - $array = explode(";", $text); - for ($i = 0; $i < count ($array); $i++) { - $array[$i] = eregi_replace ("^.*[<]", "", $array[$i]); - $array[$i] = eregi_replace ("[>].*$", "", $array[$i]); - } - return $array; - } - - /** Returns a line of comma separated email addresses from an array **/ - function getLineOfAddrs($array) { - if (is_array($array)) { - $to_line = implode(", ", $array); - $to_line = trim(ereg_replace(",,+", ",", $to_line)); - } else { - $to_line = ""; - } - return $to_line; - } - - function translateText($body, $wrap_at, $charset) { - global $where, $what; // from searching - - if (!isset($url_parser_php)) { - include "../functions/url_parser.php"; - } + } + } + + /* this is a workaround for the weird macosx caching that + causes Apache to return 16080 as the port number, which causes + SM to bail */ - $body_ary = explode("\n", $body); - for ($i=0; $i < count($body_ary); $i++) { - $line = $body_ary[$i]; - $line = charset_decode($charset, $line); - $line = str_replace("\t", ' ', $line); - - if (strlen($line) - 2 >= $wrap_at) { - $line = sqWordWrap($line, $wrap_at); - } - - $line = str_replace(' ', ' ', $line); - $line = nl2br($line); - - // Removed parseEmail and integrated it into parseUrl - // This line is no longer needed. - // $line = parseEmail ($line); - $line = parseUrl ($line); - - $test_line = str_replace(' ', '', $line); - if (strpos($test_line, '>>') === 0) { - $line = "$line\n"; - } else if (strpos($test_line, '>') === 0) { - $line = "$line\n"; - } - - if ($line) - { - $line = '' . $line . ''; - } - - $body_ary[$i] = $line . '
'; - } - $body = implode("\n", $body_ary); - - return $body; - } - - /* SquirrelMail version number -- DO NOT CHANGE */ - $version = "0.5"; - - - function find_mailbox_name ($mailbox) { - $mailbox = trim($mailbox); - if (substr($mailbox, strlen($mailbox)-1, strlen($mailbox)) == "\"") { - $mailbox = substr($mailbox, 0, strlen($mailbox) - 1); - $pos = strrpos ($mailbox, "\"")+1; - $box = substr($mailbox, $pos); - } else { - $box = substr($mailbox, strrpos($mailbox, " ")+1, strlen($mailbox)); - } - return $box; - } - - function replace_spaces ($string) { - return str_replace(" ", " ", $string); + if ($imap_server_type == 'macosx' && $port == ':16080') { + $port = ''; } - - function replace_escaped_spaces ($string) { - return str_replace(" ", " ", $string); - } - - function get_location () { - # This determines the location to forward to relative - # to your server. If this doesnt work correctly for - # you (although it should), you can remove all this - # code except the last two lines, and change the header() - # function to look something like this, customized to - # the location of SquirrelMail on your server: - # - # http://www.myhost.com/squirrelmail/src/login.php - global $PHP_SELF, $SERVER_NAME, $HTTPS, $HTTP_HOST; - - // Get the path - $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/')); - - // Check if this is a HTTPS or regular HTTP request - $proto = "http://"; - if(isset($HTTPS) && $HTTPS == 'on' ) { - $proto = "https://"; - } - - // Get the hostname from the Host header or server config. - // Fallback is to omit the server name and use a relative URI, - // although this is not RFC 2616 compliant. - if(isset($HTTP_HOST) && !empty($HTTP_HOST)) { - $location = $proto . $HTTP_HOST . $path; - } else if(isset($SERVER_NAME) && !empty($SERVER_NAME)) { - $location = $proto . $SERVER_NAME . $path; - } else { - $location = $path; - } - return $location; - } - - function sqStripSlashes($string) { - if (get_magic_quotes_gpc()) { - $string = stripslashes($string); - } - return $string; - } - - - // These functions are used to encrypt the passowrd before it is - // stored in a cookie. - function OneTimePadEncrypt ($string, $pad) { - for ($i = 0; $i < strlen ($string); $i++) { - $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i])); - } - - return base64_encode($encrypted); - } - - function OneTimePadDecrypt ($string, $pad) { - $encrypted = base64_decode ($string); - - for ($i = 0; $i < strlen ($encrypted); $i++) { - $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i])); - } - - return $decrypted; - } - - function OneTimePadCreate ($length=100) { - global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID; - - // Entropy gathering - if (function_exists("crc32")) { - $seed1 = (double) microtime() * 1000000; - $seed2 = md5($REMOTE_PORT . $REMOTE_ADDR . $UNIQUE_ID); - if (function_exists("getrusage")) { - $dat = getrusage(); - $seed3 = md5($dat["ru_nswap"].$dat["ru_majflt"].$dat["ru_utime.tv_sec"].$dat["ru_utime.tv_usec"].getmypid()); - } else { - $seed3 = getmypid(); - } - - $seed = crc32($seed1)*1000000 + crc32($seed2)*10000 + crc32($seed3); - } else { - $seed = (double) microtime() * 1000000; - } - - srand ($seed); - - for ($i = 0; $i < $length; $i++) { - $pad .= chr(rand(0,255)); - } - - return $pad; - } - - // Check if we have a required PHP-version. Return TRUE if we do, - // or FALSE if we don't. - // To check for 4.0.1, use sqCheckPHPVersion(4,0,1) - // To check for 4.0b3, use sqCheckPHPVersion(4,0,-3) - // Does not handle betas like 4.0.1b1 or development versions - function sqCheckPHPVersion($major, $minor, $release) { - - $ver = phpversion(); - eregi("^([0-9]+)\.([0-9]+)(.*)", $ver, $regs); - - // Parse the version string - $vmajor = strval($regs[1]); - $vminor = strval($regs[2]); - $vrel = $regs[3]; - if($vrel[0] == ".") - $vrel = strval(substr($vrel, 1)); - if($vrel[0] == "b" || $vrel[0] == "B") - $vrel = - strval(substr($vrel, 1)); - if($vrel[0] == "r" || $vrel[0] == "R") - $vrel = - strval(substr($vrel, 2))/10; - - // Compare major and minor - if($vmajor < $major) return false; - if($vminor < $minor) return false; - - // Compare release - if($vrel >= 0 && $release >= 0) { // Neither are beta - if($vrel < $release) return false; - } else if($vrel >= 0 && $release < 0){ // This is not beta, required is beta - return true; - } else if($vrel < 0 && $release >= 0){ // This is beta, require not beta - return false; - } else { // Both are beta - if($vrel > $release) return false; - } - - return true; - } + /* Fallback is to omit the server name and use a relative */ + /* URI, although this is not RFC 2616 compliant. */ + $full_url = ($host ? $proto . $host . $port : ''); + sqsession_register($full_url, 'sq_base_url'); + return $full_url . $path; +} + + +/** + * These functions are used to encrypt the passowrd before it is + * stored in a cookie. + */ +function OneTimePadEncrypt ($string, $epad) { + $pad = base64_decode($epad); + $encrypted = ''; + for ($i = 0; $i < strlen ($string); $i++) { + $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i])); + } + + return base64_encode($encrypted); +} + +function OneTimePadDecrypt ($string, $epad) { + $pad = base64_decode($epad); + $encrypted = base64_decode ($string); + $decrypted = ''; + for ($i = 0; $i < strlen ($encrypted); $i++) { + $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i])); + } + + return $decrypted; +} + + +/** + * Randomize the mt_rand() function. Toss this in strings or integers + * and it will seed the generator appropriately. With strings, it is + * better to get them long. Use md5() to lengthen smaller strings. + */ +function sq_mt_seed($Val) { + /* if mt_getrandmax() does not return a 2^n - 1 number, + this might not work well. This uses $Max as a bitmask. */ + $Max = mt_getrandmax(); + + if (! is_int($Val)) { + $Val = crc32($Val); + } + + if ($Val < 0) { + $Val *= -1; + } + + if ($Val = 0) { + return; + } + + mt_srand(($Val ^ mt_rand(0, $Max)) & $Max); +} + + +/** + * This function initializes the random number generator fairly well. + * It also only initializes it once, so you don't accidentally get + * the same 'random' numbers twice in one session. + */ +function sq_mt_randomize() { + static $randomized; + + if ($randomized) { + return; + } + + /* Global. */ + sqgetGlobalVar('REMOTE_PORT', $remote_port, SQ_SERVER); + sqgetGlobalVar('REMOTE_ADDR', $remote_addr, SQ_SERVER); + sq_mt_seed((int)((double) microtime() * 1000000)); + sq_mt_seed(md5($remote_port . $remote_addr . getmypid())); + + /* getrusage */ + if (function_exists('getrusage')) { + /* Avoid warnings with Win32 */ + $dat = @getrusage(); + if (isset($dat) && is_array($dat)) { + $Str = ''; + foreach ($dat as $k => $v) + { + $Str .= $k . $v; + } + sq_mt_seed(md5($Str)); + } + } + + if(sqgetGlobalVar('UNIQUE_ID', $unique_id, SQ_SERVER)) { + sq_mt_seed(md5($unique_id)); + } + + $randomized = 1; +} + +function OneTimePadCreate ($length=100) { + sq_mt_randomize(); + + $pad = ''; + for ($i = 0; $i < $length; $i++) { + $pad .= chr(mt_rand(0,255)); + } + + return base64_encode($pad); +} + +/** + * Returns a string showing the size of the message/attachment. + */ +function show_readable_size($bytes) { + $bytes /= 1024; + $type = 'k'; + + if ($bytes / 1024 > 1) { + $bytes /= 1024; + $type = 'M'; + } + + if ($bytes < 10) { + $bytes *= 10; + settype($bytes, 'integer'); + $bytes /= 10; + } else { + settype($bytes, 'integer'); + } + + return $bytes . ' ' . $type . ''; +} + +/** + * Generates a random string from the caracter set you pass in + * + * Flags: + * 1 = add lowercase a-z to $chars + * 2 = add uppercase A-Z to $chars + * 4 = add numbers 0-9 to $chars + */ + +function GenerateRandomString($size, $chars, $flags = 0) { + if ($flags & 0x1) { + $chars .= 'abcdefghijklmnopqrstuvwxyz'; + } + if ($flags & 0x2) { + $chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'; + } + if ($flags & 0x4) { + $chars .= '0123456789'; + } + + if (($size < 1) || (strlen($chars) < 1)) { + return ''; + } + + sq_mt_randomize(); /* Initialize the random number generator */ + + $String = ''; + $j = strlen( $chars ) - 1; + while (strlen($String) < $size) { + $String .= $chars{mt_rand(0, $j)}; + } + + return $String; +} + +function quoteimap($str) { + return ereg_replace('(["\\])', '\\\\1', $str); +} + +/** + * Trims every element in the array + */ +function TrimArray(&$array) { + foreach ($array as $k => $v) { + global $$k; + if (is_array($$k)) { + foreach ($$k as $k2 => $v2) { + $$k[$k2] = substr($v2, 1); + } + } else { + $$k = substr($v, 1); + } + + /* Re-assign back to array. */ + $array[$k] = $$k; + } +} + +/* returns a link to the compose-page, taking in consideration + * the compose_in_new and javascript settings. */ +function makeComposeLink($url, $text = null) +{ + global $compose_new_win,$javascript_on; + + if(!$text) { + $text = _("Compose"); + } + + if($compose_new_win != '1') { + return makeInternalLink($url, $text, 'right'); + } + + /* if we can use JS, use the fancy window, else just open a new one HTML-style */ + if($javascript_on) { + sqgetGlobalVar('base_uri', $base_uri, SQ_SESSION); + return ''. $text.''; + } + + return makeInternalLink($url, $text, '_blank'); +} + +/** +* sm_print_r($some_variable, [$some_other_variable [, ...]]); +* Debugging function - does the same as print_r, but makes sure special +* characters are converted to htmlentities first. This will allow +* values like to be displayed. +* The output is wrapped in 
 and
tags. +*/ +function sm_print_r() { + ob_start(); // Buffer output + foreach(func_get_args() as $var) { + print_r($var); + echo "\n"; + } + $buffer = ob_get_contents(); // Grab the print_r output + ob_end_clean(); // Silently discard the output & stop buffering + print "
";
+    print htmlentities($buffer);
+    print "
"; +} + +$PHP_SELF = php_self(); ?>