X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fstrings.php;h=9c5981a94b0d50fe243ff3f1357ca52b1f6c08df;hp=722cedeca8bae5ddf2dac4cf28ee1cb3db17b2d4;hb=21a957a9a91b31034123c59b0afc2f6bd56e1847;hpb=b74e088adb36917c4cc6757e0f4e8e6c9344a3ba diff --git a/functions/strings.php b/functions/strings.php index 722cedec..9c5981a9 100644 --- a/functions/strings.php +++ b/functions/strings.php @@ -1,75 +1,37 @@ ]*)([^\t >].*)?$", $line, $regs); $beginning_spaces = $regs[1]; if (isset($regs[2])) { @@ -88,10 +64,10 @@ function sqWordWrap(&$line, $wrap) { } else { $words = ''; } - + $i = 0; $line = $beginning_spaces; - + while ($i < count($words)) { /* Force one word to be on a line (minimum) */ $line .= $words[$i]; @@ -99,7 +75,7 @@ function sqWordWrap(&$line, $wrap) { if (isset($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]; @@ -109,34 +85,44 @@ function sqWordWrap(&$line, $wrap) { 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" . $beginning_spaces; + $line .= "\n"; } } } - /** * Does the opposite of sqWordWrap() + * @param string body the text to un-wordwrap + * @return void */ function sqUnWordWrap(&$body) { + global $squirrelmail_language; + + if ($squirrelmail_language == 'ja_JP') { + return; + } + $lines = explode("\n", $body); $body = ''; $PreviousSpaces = ''; - for ($i = 0; $i < count($lines); $i ++) { - ereg("^([\t >]*)([^\t >].*)?$", $lines[$i], $regs); + $cnt = count($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]; @@ -152,183 +138,136 @@ function sqUnWordWrap(&$body) { $body .= "\n"; } - /** - * Returns an array of email addresses. - * Be cautious of "user@host.com" + * If $haystack is a full mailbox name and $needle is the mailbox + * separator character, returns the last part of the mailbox name. + * + * @param string haystack full mailbox name to search + * @param string needle the mailbox separator character + * @return string the last part of the mailbox name */ -function parseAddrs($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 $array; -} +function readShortMailboxName($haystack, $needle) { -/** - * Returns a line of comma separated email addresses from an array. - */ -function getLineOfAddrs($array) { - 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( $to_line, 0, -1 ); + if ($needle == '') { + $elem = $haystack; } else { - $to_line = ''; - } - - return( $to_line ); -} - -function translateText(&$body, $wrap_at, $charset) { - global $where, $what; /* from searching */ - global $color; /* color theme */ - - 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); - - $Quotes = 0; - $pos = 0; - $j = strlen( $line ); - - while ( $pos < $j ) { - if ($line[$pos] == ' ') { - $pos ++; - } else if (strpos($line, '>', $pos) === $pos) { - $pos += 4; - $Quotes ++; - } else { - break; - } - } - - if ($Quotes > 1) { - if (! isset($color[14])) { - $color[14] = '#FF0000'; - } - $line = '' . $line . ''; - } elseif ($Quotes) { - if (! isset($color[13])) { - $color[13] = '#800000'; - } - $line = '' . $line . ''; + $parts = explode($needle, $haystack); + $elem = array_pop($parts); + while ($elem == '' && count($parts)) { + $elem = array_pop($parts); } - - $body_ary[$i] = $line; } - $body = '
' . implode("\n", $body_ary) . '
'; -} - -function find_mailbox_name ($mailbox) { - if (ereg(" *\"([^\r\n\"]*)\"[ \r\n]*$", $mailbox, $regs)) - return $regs[1]; - ereg(" *([^ \r\n\"]*)[ \r\n]*$",$mailbox,$regs); - return $regs[1]; - + return( $elem ); } +/** + * 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. + * + * @return string the complete url for this page + */ function php_self () { - global $PHP_SELF, $HTTP_SERVER_VARS; - - if (isset($HTTP_SERVER_VARS['REQUEST_URI']) && !empty($HTTP_SERVER_VARS['REQUEST_URI']) ) { - return $HTTP_SERVER_VARS['REQUEST_URI']; + if ( sqgetGlobalVar('REQUEST_URI', $req_uri, SQ_SERVER) && !empty($req_uri) ) { + return $req_uri; } - if (isset($PHP_SELF) && !empty($PHP_SELF)) { - return $PHP_SELF; - } else if (isset($HTTP_SERVER_VARS['PHP_SELF']) && - !empty($HTTP_SERVER_VARS['PHP_SELF'])) { - return $HTTP_SERVER_VARS['PHP_SELF']; - } else { - return ''; + 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; } + + return ''; } /** - * This determines the location to forward to relative to your server. + * Determines the location to forward to, relative to your server. + * This is used in HTTP Location: redirects. * 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: + * remove all this code except the last two lines, and have it return + * the right URL for your site, something like: * - * http://www.myhost.com/squirrelmail/src/login.php + * http://www.example.com/squirrelmail/ + * + * @return string the base url for this SquirrelMail installation */ function get_location () { - - global $PHP_SELF, $SERVER_NAME, $HTTP_HOST, $SERVER_PORT, - $HTTP_SERVER_VARS; - + + global $imap_server_type; + /* Get the path, handle virtual directories */ - $path = substr(php_self(), 0, strrpos(php_self(), '/')); - + if(strpos(php_self(), '?')) { + $path = substr(php_self(), 0, strpos(php_self(), '?')); + } else { + $path = php_self(); + } + $path = substr($path, 0, strrpos($path, '/')); + 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 in your HTTP_SERVER_VARS + * 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($getEnvVar, 'on')) || - (isset($HTTP_SERVER_VARS['HTTPS'])) || - (isset($HTTP_SERVER_VARS['SERVER_PORT']) && - $HTTP_SERVER_VARS['SERVER_PORT'] == 443)) { + (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. */ - $host = ''; - if (isset($HTTP_HOST) && !empty($HTTP_HOST)) { - $host = $HTTP_HOST; - } else if (isset($SERVER_NAME) && !empty($SERVER_NAME)) { - $host = $SERVER_NAME; - } else if (isset($HTTP_SERVER_VARS['SERVER_NAME']) && - !empty($HTTP_SERVER_VARS['SERVER_NAME'])) { - $host = $HTTP_SERVER_VARS['SERVER_NAME']; + if ( !sqgetGlobalVar('HTTP_HOST', $host, SQ_SERVER) || empty($host) ) { + if ( !sqgetGlobalVar('SERVER_NAME', $host, SQ_SERVER) || empty($host) ) { + $host = ''; + } } - $port = ''; if (! strstr($host, ':')) { - if (isset($SERVER_PORT)) { - if (($SERVER_PORT != 80 && $proto == 'http://') - || ($SERVER_PORT != 443 && $proto == 'https://')) { - $port = sprintf(':%d', $SERVER_PORT); + if (sqgetGlobalVar('SERVER_PORT', $server_port, SQ_SERVER)) { + if (($server_port != 80 && $proto == 'http://') || + ($server_port != 443 && $proto == 'https://')) { + $port = sprintf(':%d', $server_port); } } } - - /* Fallback is to omit the server name and use a relative */ - /* URI, although this is not RFC 2616 compliant. */ - return ($host ? $proto . $host . $port . $path : $path); + + /* this is a workaround for the weird macosx caching that + causes Apache to return 16080 as the port number, which causes + SM to bail */ + + if ($imap_server_type == 'macosx' && $port == ':16080') { + $port = ''; + } + + /* 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 . $path; } /** - * These functions are used to encrypt the passowrd before it is - * stored in a cookie. + * These functions are used to encrypt the password before it is + * stored in a cookie. The encryption key is generated by + * OneTimePadCreate(); + * + * @param string string the (password)string to encrypt + * @param string epad the encryption key + * @return string the base64-encoded encrypted password */ function OneTimePadEncrypt ($string, $epad) { $pad = base64_decode($epad); @@ -336,10 +275,18 @@ function OneTimePadEncrypt ($string, $epad) { for ($i = 0; $i < strlen ($string); $i++) { $encrypted .= chr (ord($string[$i]) ^ ord($pad[$i])); } - + return base64_encode($encrypted); } +/** + * Decrypt 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 + * @return string the decrypted password + */ function OneTimePadDecrypt ($string, $epad) { $pad = base64_decode($epad); $encrypted = base64_decode ($string); @@ -347,7 +294,7 @@ function OneTimePadDecrypt ($string, $epad) { for ($i = 0; $i < strlen ($encrypted); $i++) { $decrypted .= chr (ord($encrypted[$i]) ^ ord($pad[$i])); } - + return $decrypted; } @@ -356,41 +303,27 @@ function OneTimePadDecrypt ($string, $epad) { * Randomize the mt_rand() function. Toss this in strings or integers * and it will seed the generator appropriately. With strings, it is * better to get them long. Use md5() to lengthen smaller strings. + * + * @param mixed val a value to seed the random number generator + * @return void */ function sq_mt_seed($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)) & $Max); } @@ -399,19 +332,22 @@ function sq_mt_seed($Val) { * 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. + * + * @return void */ function sq_mt_randomize() { - global $REMOTE_PORT, $REMOTE_ADDR, $UNIQUE_ID; 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 . $REMOTE_ADDR . getmypid())); - + sq_mt_seed(md5($remote_port . $remote_addr . getmypid())); + /* getrusage */ if (function_exists('getrusage')) { /* Avoid warnings with Win32 */ @@ -425,86 +361,47 @@ function sq_mt_randomize() { sq_mt_seed(md5($Str)); } } - - /* Apache-specific */ - sq_mt_seed(md5($UNIQUE_ID)); - + + if(sqgetGlobalVar('UNIQUE_ID', $unique_id, SQ_SERVER)) { + sq_mt_seed(md5($unique_id)); + } + $randomized = 1; } +/** + * Creates an encryption key for encrypting the password stored in the cookie. + * The encryption key itself is stored in the session. + * + * @param int length optional, length of the string to generate + * @return string the encryption key + */ function OneTimePadCreate ($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. + * Returns a string showing the size of the message/attachment. * - * 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 > $release) return false; - } - - return true; -} - -/** - * Returns a string showing the size of the message/attachment. + * @param int bytes the filesize in bytes + * @return string the filesize in human readable format */ function show_readable_size($bytes) { $bytes /= 1024; $type = 'k'; - + if ($bytes / 1024 > 1) { $bytes /= 1024; - $type = 'm'; + $type = 'M'; } - + if ($bytes < 10) { $bytes *= 10; settype($bytes, 'integer'); @@ -512,17 +409,21 @@ function show_readable_size($bytes) { } else { settype($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 + * @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: + * Flags: + * 1 = add lowercase a-z to $chars + * 2 = add uppercase A-Z to $chars + * 4 = add numbers 0-9 to $chars + * @return string the random string */ function GenerateRandomString($size, $chars, $flags = 0) { @@ -535,27 +436,34 @@ function GenerateRandomString($size, $chars, $flags = 0) { if ($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 .= $chars[mt_rand(0, strlen($chars))]; + $String .= $chars{mt_rand(0, $j)}; } - + return $String; } -function quoteIMAP($str) { +/** + * Escapes special characters for use in IMAP commands. + * @param string the string to escape + * @return string the escaped string + */ +function quoteimap($str) { return ereg_replace('(["\\])', '\\\\1', $str); } /** - * Trims every element in the array + * Trims every element in the array, ie. remove the first char of each element + * @param array array the array to trim */ function TrimArray(&$array) { foreach ($array as $k => $v) { @@ -567,32 +475,71 @@ function TrimArray(&$array) { } else { $$k = substr($v, 1); } - + /* Re-assign back to array. */ $array[$k] = $$k; } -} +} /** - * Removes slashes from every element in the array + * 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" + * @return string a link to the compose page */ -function RemoveSlashes(&$array) { - foreach ($array as $k => $v) { - global $$k; - if (is_array($$k)) { - foreach ($$k as $k2 => $v2) { - $newArray[stripslashes($k2)] = stripslashes($v2); - } - $$k = $newArray; - } else { - $$k = stripslashes($v); - } - - /* Re-assign back to the array. */ - $array[$k] = $$k; +function makeComposeLink($url, $text = null, $target='') +{ + global $compose_new_win,$javascript_on; + + 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 ''. $text.''; } + + + // otherwise, just open new window using regular HTML + return makeInternalLink($url, $text, '_blank'); + } -$PHP_SELF = php_self(); +/** + * 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. + * + * @return void + */ +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(); ?>