function processUpload()
{
global $wgRequest, $wgOut;
// Fill in the form data as needed by the upload form
$wgRequest->data['wpDestFile'] = $wgRequest->data['DrawingName'];
$wgRequest->data['wpIgnoreWarning'] = '1';
$wgRequest->data['wpDestFileWarningAck'] = '1';
$wgRequest->data['wpUploadDescription'] = $wgRequest->data['UploadSummary'];
$wgRequest->data['wpUploadFile'] = $wgRequest->data['DrawingData'];
$_FILES['wpUploadFile'] = $_FILES['DrawingData'];
$wgRequest->data['action'] = $wgRequest->data['Action'];
// Upload the drawing
$form = new UploadForm($wgRequest);
$details = null;
$outcome = $form->internalProcessUpload($details);
$drawingTempFile = $wgRequest->getFileTempName('DrawingData');
$renderedTempFile = $wgRequest->getFileTempName('RenderedImageData');
$imageMapTempFile = $wgRequest->getFileTempName('ImageMapData');
// If we were successful so far, look whether a rendered image of the
// drawing has been uploaded as well.
if ($outcome == UploadForm::SUCCESS && $renderedTempFile != null) {
$img = $form->mLocalFile;
$thumbDir = $img->getThumbPath();
$params = array('width' => $img->getWidth());
$thumbName = $img->thumbName($params);
if ($thumbName) {
// Look at the contents of the file; if we can recognize the
// type but it's corrupt or data of the wrong type, we should
// probably not accept it.
$veri = $form->verify($renderedTempFile, 'png');
if ($veri) {
// Provide an opportunity for extensions to add further checks
$error = '';
if (!wfRunHooks('UploadVerification', array($thumbName, $renderedTempFile, &$error))) {
$veri = false;
}
}
if ($veri) {
if (!file_exists($thumbDir)) {
$thumbDirExists = wfMkdirParents($thumbDir);
} else {
$thumbDirExists = true;
}
if ($thumbDirExists) {
move_uploaded_file($renderedTempFile, $thumbDir . '/' . $thumbName);
}
}
}
}
// Get rid of uploaded files
if (file_exists($drawingTempFile)) {
unlink($drawingTempFile);
}
if (file_exists($renderedTempFile)) {
unlink($renderedTempFile);
}
if (file_exists($imageMapTempFile)) {
unlink($imageMapTempFile);
}
// Return outcome along with an appropriate error message to the client
switch ($outcome) {
case UploadForm::SUCCESS:
header('HTTP/1.0 200 OK');
echo '<html><body>Success.</body></html>';
break;
case UploadForm::BEFORE_PROCESSING:
header('HTTP/1.0 500 Internal Server Error');
echo '<html><body>Hook UploadForm:BeforeProcessing broke processing the file.</body></html>';
break;
case UploadForm::LARGE_FILE_SERVER:
header('HTTP/1.0 500 Internal Server Error');
echo '<html><body>' . wfMsgHtml('largefileserver') . '</body></html>';
break;
case UploadForm::EMPTY_FILE:
header('HTTP/1.0 400 Bad Request');
echo '<html><body>' . wfMsgHtml('emptyfile') . '</body></html>';
break;
case UploadForm::MIN_LENGTH_PARTNAME:
header('HTTP/1.0 400 Bad Request');
echo '<html><body>' . wfMsgHtml('minlength1') . '</body></html>';
break;
case UploadForm::ILLEGAL_FILENAME:
header('HTTP/1.0 400 Bad Request');
echo '<html><body>' . wfMsgHtml('illegalfilename', htmlspecialchars($wgRequest->data('DrawingName'))) . '</body></html>';
break;
case UploadForm::PROTECTED_PAGE:
header('HTTP/1.0 403 Forbidden');
echo '<html><body>';
echo '<p>You are not allowed to change this drawing:</p>';
$this->echoDetails($details['permissionserrors']);
echo '</body></html>';
break;
case UploadForm::OVERWRITE_EXISTING_FILE:
header('HTTP/1.0 403 Forbidden');
echo '<html><body>You may not overwrite the existing drawing.</body></html>';
break;
case UploadForm::FILETYPE_MISSING:
header('HTTP/1.0 400 Bad Request');
echo '<html><body>The type of the uploaded file is not explicitly allowed.</body></html>';
break;
case UploadForm::FILETYPE_BADTYPE:
header('HTTP/1.0 400 Bad Request');
echo '<html><body>The type of the uploaded file is explicitly disallowed.</body></html>';
break;
case UploadForm::VERIFICATION_ERROR:
header('HTTP/1.0 400 Bad Request');
echo '<html><body>';
echo '<p>The uploaded file did not pass server verification.</p>';
echo '</body></html>';
break;
case UploadForm::UPLOAD_VERIFICATION_ERROR:
header('HTTP/1.0 403 Bad Request');
echo '<html><body>';
echo '<p>The uploaded file did not pass server verification:</p>';
$this->echoDetails($details['error']);
echo '</body></html>';
break;
case UploadForm::UPLOAD_WARNING:
header('HTTP/1.0 400 Bad Request');
echo '<html><body>';
echo '<p>The server issued a warning for this file:</p>';
$this->echoDetails($details['warning']);
echo '</body></html>';
break;
case UploadForm::INTERNAL_ERROR:
header('HTTP/1.0 500 Internal Server Error');
echo '<html><body>';
echo '<p>Function UploadForm:internalProcessUpload encountered an internal error.</p>';
echo '<p>' . $details['internal'] . '</p>';
echo '</body></html>';
break;
default:
header('HTTP/1.0 500 Internal Server Error');
echo '<html><body>Function UploadForm:internalProcessUpload returned an unknown code: ' . $outcome . '.</body></html>';
break;
}
exit;
}