X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fstrings.php;h=bee3eaa0a1cdb5c695ca97fa749631ed4402e78e;hp=c3cdc3a31091ae13a9c54365a585f380684dc760;hb=f9b3e5d9902a047bfa8995c1d795cae2226a857a;hpb=d92b6f319c3ca67ff701db9da869b42c298ef9a4
diff --git a/functions/strings.php b/functions/strings.php
index c3cdc3a3..bee3eaa0 100644
--- a/functions/strings.php
+++ b/functions/strings.php
@@ -1,78 +1,480 @@
-= strlen($haystack))
+ return -1;
+ $pos++;
+ }
+ return $pos;
}
// Wraps text at $wrap characters
- function wordWrap($passed, $wrap) {
- $words = explode(" ", trim($passed));
+ // Has a problem with special HTML characters, so call this before
+ // you do character translation.
+ // Specifically, ' comes up as 5 characters instead of 1.
+ // This should not add newlines to the end of lines.
+ function sqWordWrap(&$line, $wrap) {
+ preg_match("/^([\s>]*)([^\s>].*)?$/", $line, $regs);
+ $beginning_spaces = $regs[1];
+ $words = explode(" ", $regs[2]);
+
$i = 0;
- $line_len = strlen($words[$i])+1;
- $line = "";
+ $line = $beginning_spaces;
+
while ($i < count($words)) {
- while ($line_len < $wrap) {
- $line = "$line$words[$i] ";
+ // Force one word to be on a line (minimum)
+ $line .= $words[$i];
+ $line_len = strlen($beginning_spaces) + strlen($words[$i]) +
+ strlen($words[$i + 1]) + 2;
+ $i ++;
+
+ // Add more words (as long as they fit)
+ while ($line_len < $wrap && $i < count($words)) {
+ $line .= ' ' . $words[$i];
$i++;
- $line_len = $line_len + strlen($words[$i])+1;
+ $line_len += strlen($words[$i]) + 1;
}
- $line_len = strlen($words[$i])+1;
- if ($line_len < $wrap) {
- if ($i < count($words)) // don't
the last line
- $line = "$line
";
- } 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
";
- }
- $line = "$line$endline
";
- $i++;
+
+ // Skip spaces if they are the first thing on a continued line
+ while (!$words[$i] && $i < count($words)) {
+ $i ++;
+ }
+
+ if ($i < count($words)) {
+ $line .= "\n$beginning_spaces";
}
}
- return $line;
}
+
+
+ // Does the opposite of sqWordWrap()
+ function sqUnWordWrap(&$body)
+ {
+ $lines = explode("\n", $body);
+ $body = "";
+ $PreviousSpaces = "";
+ for ($i = 0; $i < count($lines); $i ++)
+ {
+ preg_match("/^([\s>]*)([^\s>].*)?$/", $lines[$i], $regs);
+ $CurrentSpaces = $regs[1];
+ $CurrentRest = $regs[2];
+ if ($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;
+ }
+ }
+ $body .= "\n";
+ }
+
/** Returns an array of email addresses **/
function parseAddrs($text) {
- $text = str_replace(" ", "", $text);
- $text = str_replace(",", ";", $text);
- $array = explode(";", $text);
- return $array;
+ if (trim($text) == "") {
+ return;
+ }
+ $text=ereg_replace("[;,][^<]*<* *([^>]*) *>*",";\\1",",$text");
+ return split("[;]", substr($text,1));
}
/** Returns a line of comma separated email addresses from an array **/
function getLineOfAddrs($array) {
- $to_line = "";
- for ($i = 0; $i < count($array); $i++) {
- if ($to_line)
- $to_line = "$to_line, $array[$i]";
- else
- $to_line = "$array[$i]";
+ if (is_array($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";
+ }
+
+ $body_ary = explode("\n", $body);
+ for ($i=0; $i < count($body_ary); $i++) {
+ $line = $body_ary[$i];
+ if (strlen($line) - 2 >= $wrap_at) {
+ sqWordWrap($line, $wrap_at);
+ }
+ $line = charset_decode($charset, $line);
+ $line = str_replace("\t", ' ', $line);
+
+ // We need to do it twice to catch times where there
+ // are an odd number of spaces
+ $line = ereg_replace("^ ", " ", $line);
+ $line = str_replace(' ', ' ', $line);
+ $line = str_replace(' ', ' ', $line);
+ $line = nl2br($line);
+
+ parseUrl ($line);
+
+ $Quotes = 0;
+ $pos = 0;
+ while (1)
+ {
+ if (strpos($line, ' ', $pos) === $pos)
+ {
+ $pos += 6;
+ }
+ else if (strpos($line, '>', $pos) === $pos)
+ {
+ $pos += 4;
+ $Quotes ++;
+ }
+ else
+ {
+ break;
+ }
+ }
+
+ if ($Quotes > 1) {
+ $line = "$line\n";
+ } else if ($Quotes) {
+ $line = "$line\n";
+ }
+
+ if ($line)
+ {
+ $line = '' . $line . '';
+ }
+
+ $body_ary[$i] = $line . '
';
+ }
+ $body = implode("\n", $body_ary);
+ }
+
+ /* SquirrelMail version number -- DO NOT CHANGE */
+ $version = "0.6pre1 (cvs)";
+
+
+ function find_mailbox_name ($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 $box;
+*/
+
+ if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs))
+ return $regs[1];
+ ereg(" *([^ \r\n\"]*)[ \r\n]*$",$mailbox,$regs);
+ return $regs[1];
+
+ }
+
+ function replace_spaces ($string) {
+ return str_replace(" ", " ", $string);
+ }
+
+ function replace_escaped_spaces ($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, $SERVER_PORT;
+
+ // 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.
+ $host = "";
+ if (isset($HTTP_HOST) && !empty($HTTP_HOST))
+ {
+ $host = $HTTP_HOST;
+ }
+ else if (isset($SERVER_NAME) && !empty($SERVER_NAME))
+ {
+ $host = $SERVER_NAME;
+ }
+
+ $port = '';
+ if (! strstr($host, ':'))
+ {
+ if (isset($SERVER_PORT)) {
+ if ($SERVER_PORT != 80) {
+ $port = sprintf(':%d', $SERVER_PORT);
+ }
+ }
+ }
+
+ if ($host)
+ return $proto . $host . $port . $path;
+
+ // Fallback is to omit the server name and use a relative URI,
+ // although this is not RFC 2616 compliant.
+ return $path;
+ }
+
+ function sqStripSlashes($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 $decrypted;
+ }
+
+
+ // Randomize the mt_rand() function. Toss this in strings or
+ // integers and it will seed the generator appropriately.
+ // With strings, it is better to get them long. Use md5() to
+ // lengthen smaller strings.
+ function sq_mt_seed($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))
+ {
+ if (function_exists("crc32"))
+ {
+ $Val = crc32($Val);
+ }
+ else
+ {
+ $Str = $Val;
+ $Pos = 0;
+ $Val = 0;
+ $Mask = $Max / 2;
+ $HighBit = $Max ^ $Mask;
+ while ($Pos < strlen($Str))
+ {
+ if ($Val & $HighBit)
+ {
+ $Val = (($Val & $Mask) << 1) + 1;
+ }
+ else
+ {
+ $Val = ($Val & $Mask) << 1;
+ }
+ $Val ^= $Str[$Pos];
+ $Pos ++;
+ }
+ }
+ }
+
+ if ($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()
+ {
+ global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID;
+ static $randomized;
+
+ if ($randomized)
+ return;
+
+ // Global
+ sq_mt_seed((int)((double) microtime() * 1000000));
+ sq_mt_seed(md5($REMOTE_PORT . $REMOTE_ADDR . getmypid()));
+
+ // getrusage
+ if (function_exists("getrusage")) {
+ $dat = getrusage();
+ sq_mt_seed(md5($dat["ru_nswap"] . $dat["ru_majflt"] .
+ $dat["ru_utime.tv_sec"] . $dat["ru_utime.tv_usec"]));
+ }
+
+ // Apache-specific
+ sq_mt_seed(md5($UNIQUE_ID));
+
+ $randomized = 1;
+ }
+
+ function OneTimePadCreate ($length=100) {
+ sq_mt_randomize();
+
+ for ($i = 0; $i < $length; $i++) {
+ $pad .= chr(mt_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 version
+ if($vmajor < $major) return false;
+ if($vmajor > $major) return true;
+
+ // Major is the same. Compare minor
+ if($vminor < $minor) return false;
+ if($vminor > $minor) return true;
+
+ // Major and minor is the same as the required one.
+ // Compare release
+ if($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 > $release) return false;
+ }
+
+ return true;
+ }
+
+ /* Returns a string showing the size of the message/attachment */
+ function show_readable_size($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($chars) < 1)
+ return "";
+
+ sq_mt_randomize(); // Initialize the random number generator
+
+ while (strlen($String) < $size) {
+ $String .= $chars[mt_rand(0, strlen($chars))];
+ }
+
+ return $String;
+ }
+
?>