file :show max upload size

fix #101

4 files changed, 44 insertions, 1 deletions

diff --git a/app/class/Controllermedia.php b/app/class/Controllermedia.php
index 0d75de7..678f28e 100644
--- a/app/class/Controllermedia.php
+++ b/app/class/Controllermedia.php
@@ -48,6 +48,8 @@ class Controllermedia extends Controller
                 $pathlist = [];
                 $this->mediamanager->listpath($dirlist, '', $pathlist);
 
+                $vars['maxuploadsize'] = readablesize(file_upload_max_size()) . 'o';
+
                 if (isset($_GET['display'])) {
                     $this->session->addtosession('mediadisplay', $_GET['display']);
                 }
diff --git a/app/fn/fn.php b/app/fn/fn.php
index 103062a..e0e5f47 100644
--- a/app/fn/fn.php
+++ b/app/fn/fn.php
@@ -433,3 +433,39 @@ function accessfile(string $path, bool $createdir = false): bool
         return false;
     }
 }
+
+// Returns a file size limit in bytes based on the PHP upload_max_filesize
+// and post_max_size
+function file_upload_max_size()
+{
+    static $max_size = -1;
+  
+    if ($max_size < 0) {
+      // Start with post_max_size.
+        $post_max_size = parse_size(ini_get('post_max_size'));
+        if ($post_max_size > 0) {
+            $max_size = $post_max_size;
+        }
+  
+      // If upload_max_size is less, then reduce. Except if upload_max_size is
+      // zero, which indicates no limit.
+        $upload_max = parse_size(ini_get('upload_max_filesize'));
+        if ($upload_max > 0 && $upload_max < $max_size) {
+            $max_size = $upload_max;
+        }
+    }
+    return $max_size;
+}
+  
+function parse_size($size)
+{
+    $unit = preg_replace('/[^bkmgtpezy]/i', '', $size); // Remove the non-unit characters from the size.
+    $size = preg_replace('/[^0-9\.]/', '', $size); // Remove the non-numeric characters from the size.
+    $size = floatval($size);
+    if ($unit) {
+      // Find the position of the unit in the ordered string which is the power of magnitude to multiply a kilobyte by.
+        return round($size * pow(1024, stripos('bkmgtpezy', $unit[0])));
+    } else {
+        return round($size);
+    }
+}
diff --git a/app/view/templates/media.php b/app/view/templates/media.php
index ea87fba..42654db 100644
--- a/app/view/templates/media.php
+++ b/app/view/templates/media.php
@@ -10,7 +10,7 @@ $this->layout('layout', ['title' => 'media', 'stylesheets' => [$css . 'home.css'
 
 <?php $this->insert('backtopbar', ['user' => $user, 'tab' => 'media', 'pagelist' => $pagelist]) ?>
 
-<?php $this->insert('mediamenu', ['user' => $user, 'pathlist' => $pathlist, 'mediaopt' => $mediaopt]) ?>
+<?php $this->insert('mediamenu', ['user' => $user, 'pathlist' => $pathlist, 'mediaopt' => $mediaopt, 'maxuploadsize' => $maxuploadsize]) ?>
 
 <main class="media">
 
diff --git a/app/view/templates/mediamenu.php b/app/view/templates/mediamenu.php
index f79b2bc..37598a0 100644
--- a/app/view/templates/mediamenu.php
+++ b/app/view/templates/mediamenu.php
@@ -7,6 +7,11 @@
                 <form id=addmedia action="<?= $this->url('mediaupload') ?>" method="post" enctype="multipart/form-data">
                     <label for="file">🚀 Upload file(s)</label>
                     <input type='file' id="file" name='file[]' multiple required>
+
+                    <p>
+                        Max upload size : <?= $maxuploadsize ?>
+                    </p>
+
                     <input type="hidden" name="dir" value="<?= $mediaopt->dir() ?>">
                     <input type="submit" value="upload">
                 </form>