Fixed #5033 - use PHP’s max filesize for image uploads

app/Helpers/Helper.php

@@ -731,5 +731,62 @@ class Helper
     }
 
 
+    // Nicked from Drupal :)
+    // Returns a file size limit in bytes based on the PHP upload_max_filesize
+    // and post_max_size
+    public static function file_upload_max_size() {
+        static $max_size = -1;
+
+        if ($max_size < 0) {
+            // Start with post_max_size.
+            $post_max_size = Helper::parse_size(ini_get('post_max_size'));
+            if ($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.
+            $upload_max = Helper::parse_size(ini_get('upload_max_filesize'));
+            if ($upload_max > 0 && $upload_max < $max_size) {
+                $max_size = $upload_max;
+            }
+        }
+        return $max_size;
+    }
+
+    public static function file_upload_max_size_readable() {
+        static $max_size = -1;
+
+        if ($max_size < 0) {
+            // Start with post_max_size.
+            $post_max_size = Helper::parse_size(ini_get('post_max_size'));
+            if ($post_max_size > 0) {
+                $max_size = ini_get('post_max_size');
+            }
+
+            // If upload_max_size is less, then reduce. Except if upload_max_size is
+            // zero, which indicates no limit.
+            $upload_max = Helper::parse_size(ini_get('upload_max_filesize'));
+            if ($upload_max > 0 && $upload_max < $max_size) {
+                $max_size = ini_get('upload_max_filesize');
+            }
+        }
+        return $max_size;
+    }
+
+    public static function parse_size($size) {
+        $unit = preg_replace('/[^bkmgtpezy]/i', '', $size); // Remove the non-unit characters from the size.
+        $size = preg_replace('/[^0-9\.]/', '', $size); // Remove the non-numeric characters from the size.
+        if ($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);
+        }
+    }
+
+
+
 
 }

public/mix-manifest.json

@@ -8,7 +8,7 @@
     "/css/app.css.map": "/css/app.css.map?id=bdbe05e6ecd70ccfac72",
     "/css/overrides.css.map": "/css/overrides.css.map?id=898c91d4a425b01b589b",
     "/css/dist/all.css": "/css/dist/all.css?id=dc1449877e0f8abedc47",
-    "/js/dist/all.js": "/js/dist/all.js?id=4e5e7295e9a59e718567",
+    "/js/dist/all.js": "/js/dist/all.js?id=d3af8331997bd82e4ec4",
     "/css/build/all.css": "/css/build/all.css?id=dc1449877e0f8abedc47",
-    "/js/build/all.js": "/js/build/all.js?id=4e5e7295e9a59e718567"
+    "/js/build/all.js": "/js/build/all.js?id=d3af8331997bd82e4ec4"
 }

resources/assets/js/snipeit.js

@@ -322,6 +322,25 @@ $(document).ready(function () {
     // ------------------------------------------------
 
 
+     // File size validation
+    $('#uploadFile').bind('change', function() {
+        $('#upload-file-status').removeClass('text-success').removeClass('text-danger');
+        $('.goodfile').remove();
+        $('.badfile').remove();
+
+        var max_size = $('#uploadFile').data('maxsize');
+        var actual_size = this.files[0].size;
+
+        if (actual_size > max_size) {
+            $('#upload-file-status').addClass('text-danger').removeClass('help-block').prepend('<i class="badfile fa fa-times"></i> ');
+        } else {
+            $('#upload-file-status').addClass('text-success').removeClass('help-block').prepend('<i class="goodfile fa fa-check"></i> ');
+        }
+        $('#upload-file-info').html(this.files[0].name);
+
+    });
+
+
 
 
 

resources/lang/en/general.php

@@ -97,7 +97,7 @@
     'image'                 => 'Image',
     'image_delete'         	=> 'Delete Image',
     'image_upload'         	=> 'Upload Image',
-    'image_filetypes_help'  => 'Accepted filetypes are jpg, png, gif, and svg.',
+    'image_filetypes_help'  => 'Accepted filetypes are jpg, png, gif, and svg. Max upload size allowed is :size.',
     'import'         	    => 'Import',
     'import-history'        => 'Import History',
     'asset_maintenance'        => 'Asset Maintenance',

resources/views/layouts/default.blade.php

@@ -823,5 +823,7 @@
     </script>
     @endif
 
+
+
   </body>
 </html>

resources/views/partials/forms/edit/image-upload.blade.php

@@ -1,13 +1,13 @@
 <div class="form-group {{ $errors->has('image') ? 'has-error' : '' }}">
     <label class="col-md-3 control-label" for="image">{{ trans('general.image_upload') }}</label>
-    <div class="col-md-5">
+    <div class="col-md-9">
         <label class="btn btn-default">
             {{ trans('button.select_file')  }}
-            <input type="file" name="image" accept="image/gif,image/jpeg,image/png,image/svg"
-                   onchange="$('#upload-file-info').html(this.files[0].name)" style="display:none">
+            <input type="file" name="image" id="uploadFile" data-maxsize="{{ \App\Helpers\Helper::file_upload_max_size() }}" accept="image/gif,image/jpeg,image/png,image/svg" style="display:none">
         </label>
         <span class='label label-default' id="upload-file-info"></span>
-        <p class="help-block">{{ trans('general.image_filetypes_help') }}</p>
+
+        <p class="help-block" id="upload-file-status">{{ trans('general.image_filetypes_help', ['size' => \App\Helpers\Helper::file_upload_max_size_readable()]) }}</p>
         {!! $errors->first('image', '<span class="alert-msg">:message</span>') !!}
     </div>
 </div>

resources/views/partials/forms/edit/submit.blade.php

@@ -1,4 +1,4 @@
 <div class="box-footer text-right">
-    <a class="btn btn-link" href="{{ URL::previous() }}">{{ trans('button.cancel') }}</a>
+    <a class="btn btn-link text-left" href="{{ URL::previous() }}">{{ trans('button.cancel') }}</a>
     <button type="submit" class="btn btn-success"><i class="fa fa-check icon-white"></i> {{ trans('general.save') }}</button>
 </div>