Added maxFilesize option to the FileUpload FormWidget (octobercms…

…#4077) Credit to @webmaxx
ingedman · Jul 18, 2019 · cc7d595 · cc7d595
1 parent ae5f1a4
commit cc7d595
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Showing 7 changed files with 39 additions and 0 deletions.
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
@@ -0,0 +1,4 @@
+# These are supported funding model platforms
+custom: ['https://octobercms.com/fundraising']
+open_collective: octobercms
+patreon: LukeTowers
diff --git a/modules/backend/formwidgets/FileUpload.php b/modules/backend/formwidgets/FileUpload.php
@@ -60,6 +60,11 @@ class FileUpload extends FormWidgetBase
      */
     public $mimeTypes = false;
 
+    /**
+     * @var mixed Max file size.
+     */
+    public $maxFilesize;
+
     /**
      * @var array Options used for generating thumbnails.
      */
@@ -97,11 +102,14 @@ class FileUpload extends FormWidgetBase
      */
     public function init()
     {
+        $this->maxFilesize = $this->getUploadMaxFilesize();
+
         $this->fillFromConfig([
             'prompt',
             'imageWidth',
             'imageHeight',
             'fileTypes',
+            'maxFilesize',
             'mimeTypes',
             'thumbOptions',
             'useCaption',
@@ -137,13 +145,18 @@ protected function prepareVars()
             $this->useCaption = false;
         }
 
+        if ($this->maxFilesize > $this->getUploadMaxFilesize()) {
+            throw new ApplicationException('Maximum allowed size for uploaded files: ' . $this->getUploadMaxFilesize());
+        }
+
         $this->vars['fileList'] = $fileList = $this->getFileList();
         $this->vars['singleFile'] = $fileList->first();
         $this->vars['displayMode'] = $this->getDisplayMode();
         $this->vars['emptyIcon'] = $this->getConfig('emptyIcon', 'icon-upload');
         $this->vars['imageHeight'] = $this->imageHeight;
         $this->vars['imageWidth'] = $this->imageWidth;
         $this->vars['acceptedFileTypes'] = $this->getAcceptedFileTypes(true);
+        $this->vars['maxFilesize'] = $this->maxFilesize;
         $this->vars['cssDimensions'] = $this->getCssDimensions();
         $this->vars['cssBlockDimensions'] = $this->getCssDimensions('block');
         $this->vars['useCaption'] = $this->useCaption;
@@ -513,4 +526,20 @@ protected function decorateFileAttributes($file)
 
         return $file;
     }
+
+    /**
+     * Return max upload filesize in Mb
+     * @return integer
+     */
+    protected function getUploadMaxFilesize()
+    {
+        $size = ini_get('upload_max_filesize');
+        if (preg_match('/^([\d\.]+)([KMG])$/i', $size, $match)) {
+            $pos = array_search($match[2], ['K', 'M', 'G']);
+            if ($pos !== false) {
+                $size = $match[1] * pow(1024, $pos + 1);
+            }
+        }
+        return floor($size / 1024 / 1024);
+    }
 }
diff --git a/modules/backend/formwidgets/fileupload/assets/js/fileupload.js b/modules/backend/formwidgets/fileupload/assets/js/fileupload.js
@@ -103,6 +103,7 @@
             clickable: this.$uploadButton.get(0),
             previewsContainer: this.$filesContainer.get(0),
             maxFiles: !this.options.isMulti ? 1 : null,
+            maxFilesize: this.options.maxFilesize,
             headers: {}
         }
 
@@ -432,6 +433,7 @@
         extraData: {},
         paramName: 'file_data',
         fileTypes: null,
+        maxFilesize: 256,
         template: null,
         errorTemplate: null,
         isMulti: null,

diff --git a/modules/backend/formwidgets/fileupload/partials/_file_multi.htm b/modules/backend/formwidgets/fileupload/partials/_file_multi.htm
@@ -7,6 +7,7 @@
     data-error-template="#<?= $this->getId('errorTemplate') ?>"
     data-sort-handler="<?= $this->getEventHandler('onSortAttachments') ?>"
     data-unique-id="<?= $this->getId() ?>"
+    data-max-filesize="<?= $maxFilesize ?>"
     <?php if ($useCaption): ?>data-config-handler="<?= $this->getEventHandler('onLoadAttachmentConfig') ?>"<?php endif ?>
     <?php if ($acceptedFileTypes): ?>data-file-types="<?= $acceptedFileTypes ?>"<?php endif ?>
 >

diff --git a/modules/backend/formwidgets/fileupload/partials/_file_single.htm b/modules/backend/formwidgets/fileupload/partials/_file_single.htm
@@ -6,6 +6,7 @@
     data-template="#<?= $this->getId('template') ?>"
     data-error-template="#<?= $this->getId('errorTemplate') ?>"
     data-unique-id="<?= $this->getId() ?>"
+    data-max-filesize="<?= $maxFilesize ?>"
     <?php if ($useCaption): ?>data-config-handler="<?= $this->getEventHandler('onLoadAttachmentConfig') ?>"<?php endif ?>
     <?php if ($acceptedFileTypes): ?>data-file-types="<?= $acceptedFileTypes ?>"<?php endif ?>
 >

diff --git a/modules/backend/formwidgets/fileupload/partials/_image_multi.htm b/modules/backend/formwidgets/fileupload/partials/_image_multi.htm
@@ -7,6 +7,7 @@
     data-error-template="#<?= $this->getId('errorTemplate') ?>"
     data-sort-handler="<?= $this->getEventHandler('onSortAttachments') ?>"
     data-unique-id="<?= $this->getId() ?>"
+    data-max-filesize="<?= $maxFilesize ?>"
     <?php if ($useCaption): ?>data-config-handler="<?= $this->getEventHandler('onLoadAttachmentConfig') ?>"<?php endif ?>
     <?php if ($acceptedFileTypes): ?>data-file-types="<?= $acceptedFileTypes ?>"<?php endif ?>
 >

diff --git a/modules/backend/formwidgets/fileupload/partials/_image_single.htm b/modules/backend/formwidgets/fileupload/partials/_image_single.htm
@@ -8,6 +8,7 @@
     data-unique-id="<?= $this->getId() ?>"
     data-thumbnail-width="<?= $imageWidth ?: '0' ?>"
     data-thumbnail-height="<?= $imageHeight ?: '0' ?>"
+    data-max-filesize="<?= $maxFilesize ?>"
     <?php if ($useCaption): ?>data-config-handler="<?= $this->getEventHandler('onLoadAttachmentConfig') ?>"<?php endif ?>
     <?php if ($acceptedFileTypes): ?>data-file-types="<?= $acceptedFileTypes ?>"<?php endif ?>
 >