add function to check or generate file download passwords

[jirafeau_mojo42.git] / lib / functions.php

diff --git a/lib/functions.php b/lib/functions.php
index 850386b79ee6c5e6aa5e111dd8866b24d2d338c8..ebfffd41f7040f2be8beda0a0901259523d88026 100644 (file)
--- a/lib/functions.php
+++ b/lib/functions.php
@@ -101,6 +101,21 @@ function jirafeau_gen_random($l)
     return $code;
 }
 
+function jirafeau_gen_download_pass()
+{
+    $length = $cfg['download_password_gen_len'];
+    $allowed_chars = $cfg['download_password_gen_chars'];
+    if ($length <= 0) {
+        return false;
+    }
+    $pass="";
+    for ($i = 0; $i < $length; $i++) {
+        $pass .= $allowed_chars[rand(0, strlen($allowed_chars) - 1)];
+    }
+
+    return $pass;
+}
+
 function is_ssl()
 {
     if (isset($_SERVER['HTTPS'])) {
@@ -1205,10 +1220,13 @@ function jirafeau_encrypt_file($fp_src, $fp_dst)
     /* Crypt file. */
     $r = fopen($fp_src, 'r');
     $w = fopen($fp_dst, 'c');
-    while (!feof($r)) {
-        $enc = mcrypt_generic($m, fread($r, 1024));
-        if (fwrite($w, $enc) === false) {
-            return '';
+    while (!feof($r)) { 
+        $to_enc = fread($r, 1024);
+        if (strlen($to_enc) > 0) {
+            $enc = mcrypt_generic($m, $to_enc);
+            if (fwrite($w, $enc) === false) {
+                return '';
+            }
         }
     }
     fclose($r);