From 3e0c291810d23bb54c337c0fe95c1ba441459c4c Mon Sep 17 00:00:00 2001 From: Robin Millette Date: Sun, 31 May 2009 16:42:29 -0400 Subject: Added configurable options for attachments: supported mimetypes and quotas for uploads. --- actions/newnotice.php | 118 ++++++++++++++++++++++++++++++++++++++++++-------- 1 file changed, 99 insertions(+), 19 deletions(-) (limited to 'actions/newnotice.php') diff --git a/actions/newnotice.php b/actions/newnotice.php index aebdab3cc..29b748dd1 100644 --- a/actions/newnotice.php +++ b/actions/newnotice.php @@ -84,20 +84,24 @@ class NewnoticeAction extends Action function handle($args) { - parent::handle($args); - if (!common_logged_in()) { $this->clientError(_('Not logged in.')); } else if ($_SERVER['REQUEST_METHOD'] == 'POST') { + // check for this before token since all POST and FILES data + // is losts when size is exceeded + if (empty($_POST) && $_SERVER['CONTENT_LENGTH']) { + $this->clientError(sprintf(_('The server was unable to handle ' . + 'that much POST data (%s bytes) due to its current configuration.'), + $_SERVER['CONTENT_LENGTH'])); + } + parent::handle($args); // CSRF protection $token = $this->trimmed('token'); if (!$token || $token != common_session_token()) { $this->clientError(_('There was a problem with your session token. '. 'Try again, please.')); - return; } - try { $this->saveNewNotice(); } catch (Exception $e) { @@ -109,8 +113,55 @@ class NewnoticeAction extends Action } } - function isFileAttached() { - return isset($_FILES['attach']['error']) && ($_FILES['attach']['error'] === UPLOAD_ERR_OK); + function isSupportedFileType() { + require_once 'MIME/Type.php'; + + $filetype = MIME_Type::autoDetect($_FILES['attach']['tmp_name']); + if (in_array($filetype, common_config('attachments', 'supported'))) { + return true; + } + $media = MIME_Type::getMedia($filetype); + if ('application' !== $media) { + $hint = sprintf(_(' Try using another %s format.'), $media); + } else { + $hint = ''; + } + $this->clientError(sprintf( + _('%s is not a supported filetype on this server.'), $filetype) . $hint); + } + + function isRespectsQuota($user) { + if ($_FILES['attach']['size'] > common_config('attachments', 'file_quota')) { + $this->clientError(sprintf(_('No file may be larger than %d bytes ' . + 'and the file you sent was %d bytes. Try to upload a smaller version.'), + common_config('attachments', 'file_quota'), $_FILES['attach']['size'])); + } + + $query = "select sum(size) as total from file join file_to_post on file_to_post.file_id = file.id join notice on file_to_post.post_id = notice.id where profile_id = {$user->id} and file.url like '%/notice/%/file'"; + $file = new File; + $file->query($query); + $file->fetch(); + $total = $file->total + $_FILES['attach']['size']; + if ($total > common_config('attachments', 'user_quota')) { + $this->clientError(sprintf(_('A file this large would exceed your user quota of %d bytes.'), common_config('attachments', 'user_quota'))); + } + + $query .= ' month(modified) = month(now()) and year(modified) = year(now())'; + $file2 = new File; + $file2->query($query); + $file2->fetch(); + $total2 = $file2->total + $_FILES['attach']['size']; + if ($total2 > common_config('attachments', 'monthly_quota')) { + $this->clientError(sprintf(_('A file this large would exceed your monthly quota of %d bytes.'), common_config('attachments', 'monthly_quota'))); + } + return true; + } + + function isValidFileAttached($user) { + return isset($_FILES['attach']['error']) + && ($_FILES['attach']['error'] === UPLOAD_ERR_OK) + && $this->isSupportedFileType() + && $this->isRespectsQuota($user); } /** @@ -135,7 +186,6 @@ class NewnoticeAction extends Action $this->clientError(_('No content!')); } else { $content_shortened = common_shorten_links($content); - if (mb_strlen($content_shortened) > 140) { $this->clientError(_('That\'s too long. '. 'Max notice size is 140 chars.')); @@ -162,19 +212,54 @@ class NewnoticeAction extends Action $replyto = 'false'; } + switch ($_FILES['attach']['error']) { + case UPLOAD_ERR_NO_FILE: + // no file uploaded + // nothing to do + break; + + case UPLOAD_ERR_OK: + // file was uploaded alright + // lets check if we really support its format + // and it doesn't go over quotas + + + if (!$this->isValidFileAttached($user)) { + die('clientError() should trigger an exception before reaching here.'); + } + break; + + case UPLOAD_ERR_INI_SIZE: + $this->clientError(_('The uploaded file exceeds the upload_max_filesize directive in php.ini.')); + + case UPLOAD_ERR_FORM_SIZE: + $this->clientError(_('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.')); + + case UPLOAD_ERR_PARTIAL: + $this->clientError(_('The uploaded file was only partially uploaded.')); + + case UPLOAD_ERR_NO_TMP_DIR: + $this->clientError(_('Missing a temporary folder.')); + + case UPLOAD_ERR_CANT_WRITE: + $this->clientError(_('Failed to write file to disk.')); + + case UPLOAD_ERR_EXTENSION: + $this->clientError(_('File upload stopped by extension.')); + + default: + die('Should never reach here.'); + } + $notice = Notice::saveNew($user->id, $content_shortened, 'web', 1, ($replyto == 'false') ? null : $replyto); if (is_string($notice)) { $this->clientError($notice); - return; } - if ($this->isFileAttached()) { - $this->storeFile($notice); - } + $this->storeFile($notice); $this->saveUrls($notice); - common_broadcast_notice($notice); if ($this->boolean('ajax')) { @@ -201,12 +286,12 @@ class NewnoticeAction extends Action } function storeFile($notice) { + if (UPLOAD_ERR_NO_FILE === $_FILES['attach']['error']) return; $filename = basename($_FILES['attach']['name']); $destination = "file/{$notice->id}-$filename"; if (move_uploaded_file($_FILES['attach']['tmp_name'], INSTALLDIR . "/$destination")) { $file = new File; $file->url = common_local_url('file', array('notice' => $notice->id)); -// $file->url = common_path($destination); $file->size = filesize(INSTALLDIR . "/$destination"); $file->date = time(); $file->mimetype = $_FILES['attach']['type']; @@ -221,14 +306,9 @@ class NewnoticeAction extends Action $f2p->post_id = $notice->id; $f2p->insert(); } else { - die('inserting file, dying'); + $this->clientError(_('There was a database error while saving your file. Please try again.')); } } -/* - $url = common_local_url('file', array('notice' => $notice->id)); - echo "$destination
"; - die($url); -*/ } -- cgit v1.2.3