+/**
+ * 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 . '<small> ' . $type . '</small>';
+}
+
+/**
+ * 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;
+ }
+}
+
+/**
+ * Removes slashes from every element in the array
+ */
+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;
+ }
+}
+
+$PHP_SELF = php_self();
+