/**
* Check that we have the necessary tools to allow image uploading.
*
* @return bool
*/
public static function canUploadImages()
{
// Is the Uploads directory available and correctly permissioned?
if (!Gdn_Upload::canUpload()) {
return false;
}
// Do we have GD?
if (!function_exists('gd_info')) {
return false;
}
$GdInfo = gd_info();
// Do we have a good version of GD?
$GdVersion = preg_replace('/[a-z ()]+/i', '', $GdInfo['GD Version']);
if ($GdVersion < 2) {
return false;
}
return true;
}
/**
*
*
* @param PostController $Sender
* @param array $Args
*/
public function postController_editorUpload_create($Sender, $Args = array())
{
// @Todo Move to a library/functions file.
require 'generate_thumbnail.php';
// Grab raw upload data ($_FILES), essentially. It's only needed
// because the methods on the Upload class do not expose all variables.
$fileData = Gdn::request()->getValueFrom(Gdn_Request::INPUT_FILES, $this->editorFileInputName, false);
$discussionID = $Sender->Request->post('DiscussionID') ? $Sender->Request->post('DiscussionID') : '';
// JSON payload of media info will get sent back to the client.
$json = array('error' => 1, 'feedback' => 'There was a problem.', 'errors' => array(), 'payload' => array());
// New upload instance
$Upload = new Gdn_Upload();
// This will validate, such as size maxes, file extensions. Upon doing
// this, $_FILES is set as a protected property, so all the other Gdn_Upload methods work on it.
$tmpFilePath = $Upload->validateUpload($this->editorFileInputName);
// Get base destination path for editor uploads
$this->editorBaseUploadDestinationDir = $this->getBaseUploadDestinationDir();
// Pass path, if doesn't exist, will create, and determine if valid.
$canUpload = Gdn_Upload::canUpload($this->editorBaseUploadDestinationDir);
if ($tmpFilePath && $canUpload) {
$fileExtension = strtolower($Upload->getUploadedFileExtension());
$fileName = $Upload->getUploadedFileName();
list($tmpwidth, $tmpheight, $imageType) = getimagesize($tmpFilePath);
// This will return the absolute destination path, including generated
// filename based on md5_file, and the full path. It
// will create a filename, with extension, and check if its dir can be writable.
$absoluteFileDestination = $this->getAbsoluteDestinationFilePath($tmpFilePath, $fileExtension);
// Save original file to uploads, then manipulate from this location if
// it's a photo. This will also call events in Vanilla so other plugins can tie into this.
if (empty($imageType)) {
$filePathParsed = $Upload->saveAs($tmpFilePath, $absoluteFileDestination, array('source' => 'content'));
} else {
$filePathParsed = Gdn_UploadImage::saveImageAs($tmpFilePath, $absoluteFileDestination, '', '', array('SaveGif' => true));
$tmpwidth = $filePathParsed['Width'];
$tmpheight = $filePathParsed['Height'];
}
// Determine if image, and thus requires thumbnail generation, or simply saving the file.
// Not all files will be images.
$thumbHeight = '';
$thumbWidth = '';
$imageHeight = '';
$imageWidth = '';
$thumbPathParsed = array('SaveName' => '');
$thumbUrl = '';
// This is a redundant check, because it's in the thumbnail function,
// but there's no point calling it blindly on every file, so just check here before calling it.
$generate_thumbnail = false;
if (in_array($fileExtension, array('jpg', 'jpeg', 'gif', 'png', 'bmp', 'ico'))) {
$imageHeight = $tmpheight;
$imageWidth = $tmpwidth;
$generate_thumbnail = true;
}
// Save data to database using model with media table
$Model = new Gdn_Model('Media');
// Will be passed to model for database insertion/update. All thumb vars will be empty.
$Media = array('Name' => $fileName, 'Type' => $fileData['type'], 'Size' => $fileData['size'], 'ImageWidth' => $imageWidth, 'ImageHeight' => $imageHeight, 'ThumbWidth' => $thumbWidth, 'ThumbHeight' => $thumbHeight, 'InsertUserID' => Gdn::session()->UserID, 'DateInserted' => date('Y-m-d H:i:s'), 'StorageMethod' => 'local', 'Path' => $filePathParsed['SaveName'], 'ThumbPath' => $thumbPathParsed['SaveName']);
// Get MediaID and pass it to client in payload.
$MediaID = $Model->save($Media);
$Media['MediaID'] = $MediaID;
if ($generate_thumbnail) {
$thumbUrl = url('/utility/mediathumbnail/' . $MediaID, true);
}
$payload = array('MediaID' => $MediaID, 'Filename' => htmlspecialchars($fileName), 'Filesize' => $fileData['size'], 'FormatFilesize' => Gdn_Format::bytes($fileData['size'], 1), 'type' => $fileData['type'], 'Thumbnail' => '', 'FinalImageLocation' => '', 'Parsed' => $filePathParsed, 'Media' => (array) $Media, 'original_url' => $Upload->url($filePathParsed['SaveName']), 'thumbnail_url' => $thumbUrl, 'original_width' => $imageWidth, 'original_height' => $imageHeight);
$json = array('error' => 0, 'feedback' => 'Editor received file successfully.', 'payload' => $payload);
}
// Return JSON payload
echo json_encode($json);
}