add function to check or generate file download passwords

[jirafeau_project.git] / lib / functions.php

diff --git a/lib/functions.php b/lib/functions.php
index 9672fe13deed1fe03f647363dc4decaa51e9043b..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'])) {
@@ -190,23 +205,23 @@ function jirafeau_ini_to_bytes($value)
     $modifier = substr($value, -1);
     $bytes = substr($value, 0, -1);
     switch (strtoupper($modifier)) {
-    default:
-        return intval($value);
-        break;
-    case 'P':
-        $bytes *= 1024;
-        // no break
-    case 'T':
-        $bytes *= 1024;
-        // no break
-    case 'G':
-        $bytes *= 1024;
-        // no break
-    case 'M':
-        $bytes *= 1024;
-        // no break
-    case 'K':
-        $bytes *= 1024;
+        default:
+            return intval($value);
+            break;
+        case 'P':
+            $bytes *= 1024;
+            // no break
+        case 'T':
+            $bytes *= 1024;
+            // no break
+        case 'G':
+            $bytes *= 1024;
+            // no break
+        case 'M':
+            $bytes *= 1024;
+            // no break
+        case 'K':
+            $bytes *= 1024;
     }
     return $bytes;
 }
@@ -264,19 +279,19 @@ function jirafeau_get_max_upload_chunk_size_bytes($max_upload_chunk_size_bytes =
 function jirafeau_upload_errstr($code)
 {
     switch ($code) {
-    case UPLOAD_ERR_INI_SIZE:
-    case UPLOAD_ERR_FORM_SIZE:
-        return t('Your file exceeds the maximum authorized file size. ');
+        case UPLOAD_ERR_INI_SIZE:
+        case UPLOAD_ERR_FORM_SIZE:
+            return t('Your file exceeds the maximum authorized file size. ');
 
-    case UPLOAD_ERR_PARTIAL:
-    case UPLOAD_ERR_NO_FILE:
-        return
-            t('Your file was not uploaded correctly. You may succeed in retrying. ');
+        case UPLOAD_ERR_PARTIAL:
+        case UPLOAD_ERR_NO_FILE:
+            return
+                t('Your file was not uploaded correctly. You may succeed in retrying. ');
 
-    case UPLOAD_ERR_NO_TMP_DIR:
-    case UPLOAD_ERR_CANT_WRITE:
-    case UPLOAD_ERR_EXTENSION:
-        return t('Internal error. You may not succeed in retrying. ');
+        case UPLOAD_ERR_NO_TMP_DIR:
+        case UPLOAD_ERR_CANT_WRITE:
+        case UPLOAD_ERR_EXTENSION:
+            return t('Internal error. You may not succeed in retrying. ');
     }
     return t('Unknown error. ');
 }
@@ -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);