X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;ds=sidebyside;f=functions%2Fstrings.php;h=afafffba56e3e0faf4476145ddb8230c6d862e60;hb=d46b103b62ebd5f37610dc32091ca7d2ea9a6580;hp=44158c56ccf1c3562a0f49fe3ba26aee6244f22d;hpb=43fcef5c49311c3bfbdfbf7706600e2662423643;p=squirrelmail.git
diff --git a/functions/strings.php b/functions/strings.php
index 44158c56..afafffba 100644
--- a/functions/strings.php
+++ b/functions/strings.php
@@ -1,158 +1,522 @@
-
+= strlen($haystack))
+ return -1;
+ $pos++;
}
- return $data;
+ return $pos;
}
// Wraps text at $wrap characters
- function wordWrap($passed, $wrap) {
- $passed = str_replace(">", ">", $passed);
- $passed = str_replace("<", "<", $passed);
+ // Has a problem with special HTML characters, so call this before
+ // you do character translation.
+ // Specifically, ' comes up as 5 characters instead of 1.
+ // This should not add newlines to the end of lines.
+ function sqWordWrap(&$line, $wrap) {
+ ereg("^([\t >]*)([^\t >].*)?$", $line, $regs);
+ $beginning_spaces = $regs[1];
+ if (isset($regs[2])) {
+ $words = explode(' ', $regs[2]);
+ } else {
+ $words = "";
+ }
- $words = explode(" ", trim($passed));
$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]) + 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++;
- $line_len = $line_len + strlen($words[$i])+1;
+ if (isset($words[$i]))
+ $line_len += strlen($words[$i]) + 1;
+ else
+ $line_len += 1;
}
- $line_len = strlen($words[$i])+1;
- if ($line_len < $wrap) {
- if ($i < count($words)) // don't
the last line
- $line = "$line\n";
- } 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
";
- $i++;
+
+ // Skip spaces if they are the first thing on a continued line
+ while (!isset($words[$i]) && $i < count($words)) {
+ $i ++;
+ }
+
+ // Go to the next line if we have more to process
+ if ($i < count($words)) {
+ $line .= "\n" . $beginning_spaces;
}
}
+ }
+
- $line = str_replace(">", ">", $line);
- $line = str_replace("<", "<", $line);
- return $line;
+ // Does the opposite of sqWordWrap()
+ function sqUnWordWrap(&$body)
+ {
+ $lines = explode("\n", $body);
+ $body = "";
+ $PreviousSpaces = "";
+ for ($i = 0; $i < count($lines); $i ++)
+ {
+ ereg("^([\t >]*)([^\t >].*)?$", $lines[$i], $regs);
+ $CurrentSpaces = $regs[1];
+ if (isset($regs[2]))
+ $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;
+ }
+ }
+ $body .= "\n";
}
+
/** Returns an array of email addresses **/
+ /* Be cautious of "user@host.com" */
function parseAddrs($text) {
- if (trim($text) == "") {
- return;
- }
- $text = str_replace(" ", "", $text);
- $text = str_replace(",", ";", $text);
- $array = explode(";", $text);
+ if (trim($text) == "")
+ return array();
+ $text = str_replace(' ', '', $text);
+ $text = ereg_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) {
- $to_line = "";
- for ($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 = ereg_replace(', (, )+', ', ', $to_line);
+ $to_line = trim(ereg_replace('^, ', '', $to_line));
+ if( substr( $to_line, -1 ) == ',' )
+ $to_line = substr( $to_line, 0, -1 );
+ } else {
+ $to_line = '';
}
- return $to_line;
- }
-
- function translateText($body, $wrap_at, $charset) {
- include ("../functions/url_parser.php");
- /** Add any parsing you want to in here */
- $body = trim($body);
- $body_ary = explode("\n", $body);
- for ($i = 0; $i < count($body_ary); $i++) {
- $line = $body_ary[$i];
- $line = "^^$line";
+ return( $to_line );
+ }
- //$line = str_replace(">", ">", $line);
- //$line = str_replace("<", "<", $line);
- //$line = htmlspecialchars($line);
+ function translateText(&$body, $wrap_at, $charset) {
+ global $where, $what; // from searching
+ global $color; // color theme
- if (strlen($line) >= $wrap_at) // -2 because of the ^^ at the beginning
- $line = wordWrap($line, $wrap_at);
+ require_once('../functions/url_parser.php');
+ $body_ary = explode("\n", $body);
+ $PriorQuotes = 0;
+ for ($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", ' ', $line);
+
+ parseUrl ($line);
- $line = str_replace(" ", " ", $line);
- $line = str_replace("\t", " ", $line);
- $line = nl2br($line);
-
- if (strpos(trim(str_replace(" ", "", $line)), ">>") == 2) {
- $line = substr($line, 2, strlen($line));
- $line = "$line
\n";
- } else if (strpos(trim(str_replace(" ", "", $line)), ">") == 2) {
- $line = substr($line, 2, strlen($line));
- $line = "$line
\n";
- } else {
- $line = substr($line, 2, strlen($line));
- $line = "$line
\n";
+ $Quotes = 0;
+ $pos = 0;
+ while (1)
+ {
+ if ($line[$pos] == ' ')
+ {
+ $pos ++;
+ }
+ else if (strpos($line, '>', $pos) === $pos)
+ {
+ $pos += 4;
+ $Quotes ++;
+ }
+ else
+ {
+ break;
+ }
}
- $line = parseUrl ($line);
- $new_body[$i] = "$line";
+ if ($Quotes > 1) {
+ if (! isset($color[14]))
+ $color[14] = '#FF0000';
+ $line = '' . $line . '';
+ } elseif ($Quotes) {
+ if (! isset($color[13]))
+ $color[13] = '#800000';
+ $line = '' . $line . '';
+ }
+
+ $body_ary[$i] = $line;
}
- $bdy = implode("\n", $new_body);
- return $bdy;
+ $body = '
' . implode("\n", $body_ary) . ''; } /* SquirrelMail version number -- DO NOT CHANGE */ - $version = "0.4pre1"; + global $version; + $version = '1.2.0 [cvs]'; function find_mailbox_name ($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)); + if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs)) + return $regs[1]; + ereg(" *([^ \r\n\"]*)[ \r\n]*$",$mailbox,$regs); + return $regs[1]; + + } + + 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, $HTTP_HOST, $SERVER_PORT, + $HTTP_SERVER_VARS; + + // Get the path + $path = substr($PHP_SELF, 0, strrpos($PHP_SELF, '/')); + + // 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 in your HTTP_SERVER_VARS + // OR if you are on port 443 + $getEnvVar = getenv('HTTPS'); + if ((isset($getEnvVar) && !strcasecmp($getEnvVar, 'on')) || + (isset($HTTP_SERVER_VARS['HTTPS'])) || + (isset($HTTP_SERVER_VARS['SERVER_PORT']) && + $HTTP_SERVER_VARS['SERVER_PORT'] == 443)) { + $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; } - return $box; + + $port = ''; + if (! strstr($host, ':')) + { + if (isset($SERVER_PORT)) { + if (($SERVER_PORT != 80 && $proto == 'http://') + || ($SERVER_PORT != 443 && $proto == 'https://')) { + $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 $path; } - function replace_spaces ($string) { - return str_replace(" ", " ", $string); + + // These functions are used to encrypt the passowrd before it is + // stored in a cookie. + function OneTimePadEncrypt ($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)) + { + 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')) { + // 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)); + } + } + + // Apache-specific + sq_mt_seed(md5($UNIQUE_ID)); + + $randomized = 1; } - function replace_escaped_spaces ($string) { - return str_replace(" ", " ", $string); + function OneTimePadCreate ($length=100) { + sq_mt_randomize(); + + $pad = ''; + for ($i = 0; $i < $length; $i++) { + $pad .= chr(mt_rand(0,255)); + } + + return base64_encode($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 + + $String = ""; + while (strlen($String) < $size) { + $String .= $chars[mt_rand(0, strlen($chars))]; + } + + return $String; + } + + function quoteIMAP($str) + { + return ereg_replace('(["\\])', '\\\\1', $str); + } + +?> \ No newline at end of file