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-rw-r--r--application/controllers/file.php891
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diff --git a/application/controllers/file.php b/application/controllers/file.php
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@@ -0,0 +1,891 @@
+<?php
+/*
+ * Copyright 2009-2013 Florian "Bluewind" Pritz <bluewind@server-speed.net>
+ *
+ * Licensed under AGPLv3
+ * (see COPYING for full license text)
+ *
+ */
+
+class File extends MY_Controller {
+
+ protected $json_enabled_functions = array(
+ "upload_history",
+ "do_upload",
+ "do_delete",
+ );
+
+ function __construct()
+ {
+ parent::__construct();
+
+ $this->load->model('mfile');
+ $this->load->model('muser');
+
+ if (is_cli_client()) {
+ $this->var->view_dir = "file_plaintext";
+ } else {
+ $this->var->view_dir = "file";
+ }
+ }
+
+ function index()
+ {
+ if ($this->input->is_cli_request()) {
+ echo "php index.php file <function> [arguments]\n";
+ echo "\n";
+ echo "Functions:\n";
+ echo " cron Cronjob\n";
+ echo " nuke_id <ID> Nukes all IDs sharing the same hash\n";
+ echo "\n";
+ echo "Functions that shouldn't have to be run:\n";
+ echo " clean_stale_files Remove files without database entries\n";
+ echo " update_file_metadata Update filesize and mimetype in database\n";
+ exit;
+ }
+ // Try to guess what the user would like to do.
+ $id = $this->uri->segment(1);
+ if (!empty($_FILES)) {
+ $this->do_upload();
+ } elseif ($id != "file" && $this->mfile->id_exists($id)) {
+ $this->_download();
+ } elseif ($id && $id != "file") {
+ $this->_non_existent();
+ } else {
+ $this->upload_form();
+ }
+ }
+
+ function _download()
+ {
+ $id = $this->uri->segment(1);
+ $lexer = urldecode($this->uri->segment(2));
+
+ $filedata = $this->mfile->get_filedata($id);
+ $file = $this->mfile->file($filedata['hash']);
+
+ if (!$this->mfile->valid_id($id)) {
+ $this->_non_existent();
+ return;
+ }
+
+ // don't allow unowned files to be downloaded
+ if ($filedata["user"] == 0) {
+ $this->_non_existent();
+ return;
+ }
+
+ // helps to keep traffic low when reloading
+ $etag = $filedata["hash"]."-".$filedata["date"];
+
+ // autodetect the lexer for highlighting if the URL contains a / after the ID (/ID/)
+ // /ID/lexer disables autodetection
+ $autodetect_lexer = !$lexer && substr_count(ltrim($this->uri->uri_string(), "/"), '/') >= 1;
+
+ if ($autodetect_lexer) {
+ $lexer = $this->mfile->autodetect_lexer($filedata["mimetype"], $filedata["filename"]);
+ }
+
+ // resolve aliases
+ // this is mainly used for compatibility
+ $lexer = $this->mfile->resolve_lexer_alias($lexer);
+
+ // create the qr code for /ID/
+ if ($lexer == "qr") {
+ handle_etag($etag);
+ header("Content-disposition: inline; filename=\"".$id."_qr.png\"\n");
+ header("Content-Type: image/png\n");
+ passthru('qrencode -s 10 -o - '.escapeshellarg(site_url($id).'/'));
+ exit();
+ }
+
+ // user wants the plain file
+ if ($lexer == 'plain') {
+ handle_etag($etag);
+ rangeDownload($file, $filedata["filename"], "text/plain");
+ exit();
+ }
+
+ if ($lexer == 'info') {
+ $this->_display_info($id);
+ return;
+ }
+
+ // if there is no mimetype mapping we can't highlight it
+ $can_highlight = $this->mfile->can_highlight($filedata["mimetype"]);
+
+ $filesize_too_big = filesize($file) > $this->config->item('upload_max_text_size');
+
+ if (!$can_highlight || $filesize_too_big || !$lexer) {
+ // prevent javascript from being executed and forbid frames
+ // this should allow us to serve user submitted HTML content without huge security risks
+ foreach (array("X-WebKit-CSP", "X-Content-Security-Policy", "Content-Security-Policy") as $header_name) {
+ header("$header_name: allow 'none'; img-src *; media-src *; font-src *; style-src * 'unsafe-inline'; script-src 'none'; object-src *; frame-src 'none'; ");
+ }
+ handle_etag($etag);
+ rangeDownload($file, $filedata["filename"], $filedata["mimetype"]);
+ exit();
+ }
+
+ $this->data['title'] = htmlspecialchars($filedata['filename']);
+ $this->data['id'] = $id;
+
+ header("Content-Type: text/html\n");
+
+ $this->data['current_highlight'] = htmlspecialchars($lexer);
+ $this->data['timeout'] = $this->mfile->get_timeout_string($id);
+ $this->data['lexers'] = $this->mfile->get_lexers();
+ $this->data['filedata'] = $filedata;
+
+ // highlight the file and chache the result
+ $this->load->driver('cache', array('adapter' => $this->config->item("cache_backend")));
+ if (! $cached = $this->cache->get($filedata['hash'].'_'.$lexer)) {
+ $cached = array();
+ if ($lexer == "rmd") {
+ ob_start();
+
+ echo '<table class="content"><tr>';
+ echo '<td class="markdownrender">'."\n";
+ passthru('perl '.FCPATH.'scripts/Markdown.pl '.escapeshellarg($file), $cached["return_value"]);
+
+ $cached["output"] = ob_get_contents();
+ ob_end_clean();
+ } else {
+ $cached = $this->_colorify($file, $lexer);
+ }
+
+ if ($cached["return_value"] != 0) {
+ $ret = $this->_colorify($file, "text");
+ $cached["output"] = $ret["output"];
+ }
+ $this->cache->save($filedata['hash'].'_'.$lexer, $cached, 100);
+ }
+
+ if ($cached["return_value"] != 0) {
+ $this->data["error_message"] = "<p>Error trying to process the file.
+ Either the lexer is unknown or something is broken.
+ Falling back to plain text.</p>";
+ }
+
+ // Don't use append_output because the output class does too
+ // much magic ({elapsed_time} and {memory_usage}).
+ // Direct echo puts us on the safe side.
+ echo $this->load->view($this->var->view_dir.'/html_header', $this->data, true);
+ echo $cached["output"];
+ echo $this->load->view($this->var->view_dir.'/html_footer', $this->data, true);
+ }
+
+ private function _colorify($file, $lexer)
+ {
+ $return_value = 0;
+ $output = "";
+ $lines_to_remove = 0;
+
+ $output .= '<div class="code content table">'."\n";
+ $output .= '<div class="highlight"><pre>'."\n";
+
+ ob_start();
+ if ($lexer == "ascii") {
+ passthru('ansi2html -p < '.escapeshellarg($file), $return_value);
+ // Last line is empty
+ $lines_to_remove = 1;
+ } else {
+ passthru('pygmentize -F codetagify -O encoding=guess,outencoding=utf8,stripnl=False -l '.escapeshellarg($lexer).' -f html '.escapeshellarg($file), $return_value);
+ // Last 2 items are "</pre></div>" and ""
+ $lines_to_remove = 2;
+ }
+ $buf = ob_get_contents();
+ ob_end_clean();
+
+
+ $buf = explode("\n", $buf);
+ $line_count = count($buf);
+
+ for ($i = 1; $i <= $lines_to_remove; $i++) {
+ unset($buf[$line_count - $i]);
+ }
+
+ foreach ($buf as $key => $line) {
+ $line_number = $key + 1;
+ if ($key == 0) {
+ $line = str_replace("<div class=\"highlight\"><pre>", "", $line);
+ }
+
+ // Be careful not to add superflous whitespace here (we are in a <pre>)
+ $output .= "<div class=\"table-row\">"
+ ."<a href=\"#n$line_number\" class=\"linenumber table-cell\">"
+ ."<span class=\"anchor\" id=\"n$line_number\"> </span>"
+ ."</a>"
+ ."<span class=\"line table-cell\">".$line."</span>\n";
+ $output .= "</div>";
+ }
+
+ $output .= "</pre></div>";
+ $output .= "</div>";
+
+ return array(
+ "return_value" => $return_value,
+ "output" => $output
+ );
+ }
+
+ function _display_info($id)
+ {
+ $this->data["title"] .= " - Info $id";
+ $this->data["filedata"] = $this->mfile->get_filedata($id);
+ $this->data["id"] = $id;
+ $this->data['timeout'] = $this->mfile->get_timeout_string($id);
+
+ $this->load->view('header', $this->data);
+ $this->load->view($this->var->view_dir.'/file_info', $this->data);
+ $this->load->view('footer', $this->data);
+ }
+
+ function _non_existent()
+ {
+ $this->data["title"] .= " - Not Found";
+ $this->output->set_status_header(404);
+ $this->load->view('header', $this->data);
+ $this->load->view($this->var->view_dir.'/non_existent', $this->data);
+ $this->load->view('footer', $this->data);
+ }
+
+ function _show_url($ids, $lexer)
+ {
+ $redirect = false;
+
+ if (!$this->muser->logged_in()) {
+ $this->muser->require_session();
+ // keep the upload but require the user to login
+ $this->session->set_userdata("last_upload", array(
+ "ids" => $ids,
+ "lexer" => $lexer
+ ));
+ $this->session->set_flashdata("uri", "file/claim_id");
+ $this->muser->require_access("apikey");
+ }
+
+ foreach ($ids as $id) {
+ if ($lexer) {
+ $this->data['urls'][] = site_url($id).'/'.$lexer;
+ } else {
+ $this->data['urls'][] = site_url($id).'/';
+
+ if (count($ids) == 1) {
+ $filedata = $this->mfile->get_filedata($id);
+ $file = $this->mfile->file($filedata['hash']);
+ $type = $filedata['mimetype'];
+ $lexer = $this->mfile->should_highlight($type);
+
+ // If we detected a highlightable file redirect,
+ // otherwise show the URL because browsers would just show a DL dialog
+ if ($lexer) {
+ $redirect = true;
+ }
+ }
+ }
+ }
+
+ if (static_storage("response_type") == "json") {
+ return send_json_reply($this->data["urls"]);
+ }
+
+ if (is_cli_client()) {
+ $redirect = false;
+ }
+
+ if ($redirect && count($ids) == 1) {
+ redirect($this->data['urls'][0], "location", 303);
+ } else {
+ $this->load->view('header', $this->data);
+ $this->load->view($this->var->view_dir.'/show_url', $this->data);
+ $this->load->view('footer', $this->data);
+ }
+ }
+
+ function client()
+ {
+ $this->data['title'] .= ' - Client';
+
+ if (file_exists(FCPATH.'data/client/latest')) {
+ $this->var->latest_client = trim(file_get_contents(FCPATH.'data/client/latest'));
+ $this->data['client_link'] = base_url().'data/client/fb-'.$this->var->latest_client.'.tar.gz';
+ } else {
+ $this->data['client_link'] = false;
+ }
+ $this->data['client_link_dir'] = base_url().'data/client/';
+ $this->data['client_link_deb'] = base_url().'data/client/deb/';
+ $this->data['client_link_slackware'] = base_url().'data/client/slackware/';
+
+ if (preg_match('#^https?://(.*?)/.*$#', site_url(), $matches) === 1) {
+ $this->data["domain"] = $matches[1];
+ } else {
+ $this->data["domain"] = "unknown domain";
+ }
+
+ if (!is_cli_client()) {
+ $this->load->view('header', $this->data);
+ }
+ $this->load->view($this->var->view_dir.'/client', $this->data);
+ if (!is_cli_client()) {
+ $this->load->view('footer', $this->data);
+ }
+ }
+
+ function upload_form()
+ {
+ $this->data['title'] .= ' - Upload';
+ $this->data['small_upload_size'] = $this->config->item('small_upload_size');
+ $this->data['max_upload_size'] = $this->config->item('upload_max_size');
+ $this->data['upload_max_age'] = $this->config->item('upload_max_age')/60/60/24;
+
+ $this->data['username'] = $this->muser->get_username();
+
+ $repaste_id = $this->input->get("repaste");
+
+ if ($repaste_id) {
+ $filedata = $this->mfile->get_filedata($repaste_id);
+
+ if ($filedata !== false && $this->mfile->can_highlight($filedata["mimetype"])) {
+ $this->data["textarea_content"] = file_get_contents($this->mfile->file($filedata["hash"]));
+ }
+ }
+
+ $this->load->view('header', $this->data);
+ $this->load->view($this->var->view_dir.'/upload_form', $this->data);
+ if (is_cli_client()) {
+ $this->client();
+ }
+ $this->load->view('footer', $this->data);
+ }
+
+ // Allow CLI clients to query the server for the maxium filesize so they can
+ // stop the upload before wasting time and bandwith
+ function get_max_size()
+ {
+ echo $this->config->item('upload_max_size');
+ }
+
+ function thumbnail()
+ {
+ $id = $this->uri->segment(3);
+
+ if (!$this->mfile->valid_id($id)) {
+ return $this->_non_existent();
+ }
+
+ $etag = "$id-thumb";
+ handle_etag($etag);
+
+ $thumb = $this->mfile->makeThumb($id, 150, IMAGETYPE_JPEG);
+
+ if ($thumb === false) {
+ show_error("Failed to generate thumbnail");
+ }
+
+ $filedata = $this->mfile->get_filedata($id);
+ if (!$filedata) {
+ show_error("Failed to get file data");
+ }
+
+ $this->output->set_header("Cache-Control:max-age=31536000, public");
+ $this->output->set_header("Expires: ".date("r", time() + 365 * 24 * 60 * 60));
+ $this->output->set_content_type("image/jpeg");
+ $this->output->set_output($thumb);
+ }
+
+ function upload_history_thumbnails()
+ {
+ $this->muser->require_access();
+
+ $user = $this->muser->get_userid();
+
+ $query = $this->db->query("
+ SELECT `id`, `filename`, `mimetype`, `date`, `hash`, `filesize`
+ FROM files
+ WHERE user = ?
+ AND mimetype IN ('image/jpeg', 'image/png', 'image/gif')
+ ORDER BY date DESC
+ ", array($user))->result_array();
+
+ foreach($query as $key => $item) {
+ if (!$this->mfile->valid_id($item["id"])) {
+ unset($query[$key]);
+ continue;
+ }
+
+ $filesize = format_bytes($item["filesize"]);
+ $dimensions = $this->mfile->image_dimension($this->mfile->file($item["hash"]));
+ $upload_date = date("r", $item["date"]);
+
+ $query[$key]["filesize"] = $filesize;
+ $query[$key]["tooltip"] = "
+ ${item["id"]} - $filesize<br>
+ $upload_date
+ $dimensions - ${item["mimetype"]}<br>
+ ";
+ }
+
+ $this->data["query"] = $query;
+
+ $this->load->view('header', $this->data);
+ $this->load->view($this->var->view_dir.'/upload_history_thumbnails', $this->data);
+ $this->load->view('footer', $this->data);
+ }
+
+ function upload_history()
+ {
+ $this->muser->require_access("apikey");
+
+ $user = $this->muser->get_userid();
+
+ $query = array();
+ $lengths = array();
+
+ // key: database field name; value: display name
+ $fields = array(
+ "id" => "ID",
+ "filename" => "Filename",
+ "mimetype" => "Mimetype",
+ "date" => "Date",
+ "hash" => "Hash",
+ "filesize" => "Size"
+ );
+
+ $this->data['title'] .= ' - Upload history';
+ foreach($fields as $length_key => $value) {
+ $lengths[$length_key] = mb_strlen($value);
+ }
+
+ $order = is_cli_client() ? "ASC" : "DESC";
+
+ $query = $this->db->query("
+ SELECT ".implode(",", array_keys($fields))."
+ FROM files
+ WHERE user = ?
+ ORDER BY date $order
+ ", array($user))->result_array();
+
+ if (static_storage("response_type") == "json") {
+ return send_json_reply($query);
+ }
+
+ foreach($query as $key => $item) {
+ $query[$key]["filesize"] = format_bytes($item["filesize"]);
+ if (is_cli_client()) {
+ // Keep track of longest string to pad plaintext output correctly
+ foreach($fields as $length_key => $value) {
+ $len = mb_strlen($query[$key][$length_key]);
+ if ($len > $lengths[$length_key]) {
+ $lengths[$length_key] = $len;
+ }
+ }
+ }
+ }
+
+ $total_size = $this->db->query("
+ SELECT sum(filesize) sum
+ FROM (
+ SELECT filesize
+ FROM files
+ WHERE user = ?
+ GROUP BY hash
+ ) sub
+ ", array($user))->row_array();
+
+ $this->data["query"] = $query;
+ $this->data["lengths"] = $lengths;
+ $this->data["fields"] = $fields;
+ $this->data["total_size"] = format_bytes($total_size["sum"]);
+
+ $this->load->view('header', $this->data);
+ $this->load->view($this->var->view_dir.'/upload_history', $this->data);
+ $this->load->view('footer', $this->data);
+ }
+
+ function do_delete()
+ {
+ $this->muser->require_access("apikey");
+
+ $ids = $this->input->post("ids");
+ $errors = array();
+ $deleted = array();
+ $deleted_count = 0;
+ $total_count = 0;
+
+ if (!$ids || !is_array($ids)) {
+ show_error("No IDs specified");
+ }
+
+ foreach ($ids as $id) {
+ $total_count++;
+
+ if (!$this->mfile->id_exists($id)) {
+ $errors[] = array(
+ "id" => $id,
+ "reason" => "doesn't exist",
+ );
+ continue;
+ }
+
+ if ($this->mfile->delete_id($id)) {
+ $deleted[] = $id;
+ $deleted_count++;
+ } else {
+ $errors[] = array(
+ "id" => $id,
+ "reason" => "unknown error",
+ );
+ }
+ }
+
+ if (static_storage("response_type") == "json") {
+ return send_json_reply(array(
+ "errors" => $errors,
+ "deleted" => $deleted,
+ "total_count" => $total_count,
+ "deleted_count" => $deleted_count,
+ ));
+ }
+
+ $this->data["errors"] = $errors;
+ $this->data["deleted_count"] = $deleted_count;
+ $this->data["total_count"] = $total_count;
+
+ $this->load->view('header', $this->data);
+ $this->load->view($this->var->view_dir.'/deleted', $this->data);
+ $this->load->view('footer', $this->data);
+ }
+
+ function delete()
+ {
+ $this->muser->require_access("apikey");
+
+ if (!is_cli_client()) {
+ show_error("Not a listed cli client, please use the history to delete uploads.\n", 403);
+ }
+
+ $id = $this->uri->segment(3);
+ $this->data["id"] = $id;
+
+ if ($id && !$this->mfile->id_exists($id)) {
+ show_error("Unknown ID '$id'.", 404);
+ }
+
+ if ($this->mfile->delete_id($id)) {
+ echo "$id has been deleted.\n";
+ } else {
+ echo "Deletion failed. Do you really own that file?\n";
+ }
+ }
+
+ // Handle pastes
+ function do_paste()
+ {
+ // stateful clients get a cookie to claim the ID later
+ // don't force them to log in just yet
+ if (!stateful_client()) {
+ $this->muser->require_access();
+ }
+
+ $content = $this->input->post("content");
+ $filesize = strlen($content);
+ $filename = "stdin";
+
+ if (!$content) {
+ show_error("Nothing was pasted, content is empty.", 400);
+ }
+
+ if ($filesize > $this->config->item('upload_max_size')) {
+ show_error("Error while uploading: File too big", 413);
+ }
+
+ $limits = $this->muser->get_upload_id_limits();
+ $id = $this->mfile->new_id($limits[0], $limits[1]);
+ $hash = md5($content);
+
+ $folder = $this->mfile->folder($hash);
+ file_exists($folder) || mkdir ($folder);
+ $file = $this->mfile->file($hash);
+
+ file_put_contents($file, $content);
+ chmod($file, 0600);
+ $this->mfile->add_file($hash, $id, $filename);
+ $this->_show_url(array($id), false);
+ }
+
+ // Handles uploaded files
+ function do_upload()
+ {
+ // stateful clients get a cookie to claim the ID later
+ // don't force them to log in just yet
+ if (!stateful_client()) {
+ $this->muser->require_access("apikey");
+ }
+
+ $ids = array();
+
+ $extension = $this->input->post('extension');
+
+ $files = getNormalizedFILES();
+
+ if (empty($files)) {
+ show_error("No file was uploaded or unknown error occured.");
+ }
+
+ // Check for errors before doing anything
+ // First error wins and is displayed, these shouldn't happen that often anyway.
+ foreach ($files as $key => $file) {
+ // getNormalizedFILES() removes any file with error == 4
+ if ($file['error'] !== UPLOAD_ERR_OK) {
+ // ERR_OK only for completeness, condition above ignores it
+ $errors = array(
+ UPLOAD_ERR_OK => "There is no error, the file uploaded with success",
+ UPLOAD_ERR_INI_SIZE => "The uploaded file exceeds the upload_max_filesize directive in php.ini",
+ UPLOAD_ERR_FORM_SIZE => "The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form",
+ UPLOAD_ERR_PARTIAL => "The uploaded file was only partially uploaded",
+ UPLOAD_ERR_NO_FILE => "No file was uploaded",
+ UPLOAD_ERR_NO_TMP_DIR => "Missing a temporary folder",
+ UPLOAD_ERR_CANT_WRITE => "Failed to write file to disk",
+ UPLOAD_ERR_EXTENSION => "A PHP extension stopped the file upload",
+ );
+
+ $msg = "Unknown error.";
+
+ if (isset($errors[$file['error']])) {
+ $msg = $errors[$file['error']];
+ } else {
+ $msg = "Unknown error code: ".$file['error'].". Please report a bug.";
+ }
+
+ show_error("Error while uploading: ".$msg, 400);
+ }
+
+ $filesize = filesize($file['tmp_name']);
+ if ($filesize > $this->config->item('upload_max_size')) {
+ show_error("Error while uploading: File too big", 413);
+ }
+ }
+
+ foreach ($files as $key => $file) {
+ $limits = $this->muser->get_upload_id_limits();
+ $id = $this->mfile->new_id($limits[0], $limits[1]);
+ $hash = md5_file($file['tmp_name']);
+
+ // work around a curl bug and allow the client to send the real filename base64 encoded
+ // TODO: this interface currently sets the same filename for every file if you use multiupload
+ $filename = $this->input->post("filename");
+ if ($filename !== false) {
+ $filename = base64_decode($filename, true);
+ }
+
+ // fall back if base64_decode failed
+ if ($filename === false) {
+ $filename = $file['name'];
+ }
+
+ $filename = trim($filename, "\r\n\0\t\x0B");
+
+ $folder = $this->mfile->folder($hash);
+ file_exists($folder) || mkdir ($folder);
+ $file_path = $this->mfile->file($hash);
+
+ move_uploaded_file($file['tmp_name'], $file_path);
+ chmod($file_path, 0600);
+ $this->mfile->add_file($hash, $id, $filename);
+ $ids[] = $id;
+ }
+
+ $this->_show_url($ids, $extension);
+ }
+
+ function claim_id()
+ {
+ $this->muser->require_access();
+
+ $last_upload = $this->session->userdata("last_upload");
+
+ if ($last_upload === false) {
+ show_error("Failed to get last upload data");
+ }
+
+ $ids = $last_upload["ids"];
+ $errors = array();
+
+ assert(is_array($ids));
+
+ foreach ($ids as $key => $id) {
+ $filedata = $this->mfile->get_filedata($id);
+
+ if ($filedata["user"] != 0) {
+ $errors[] = $id;
+ }
+
+ $this->mfile->adopt($id);
+ }
+
+ if (!empty($errors)) {
+ show_error("Someone already owns '".implode(", ", $errors)."', can't reassign.");
+ }
+
+ $this->session->unset_userdata("last_upload");
+
+ $this->_show_url($ids, $last_upload["lexer"]);
+ }
+
+ function contact()
+ {
+ $file = FCPATH."data/local/contact-info.php";
+ if (file_exists($file)) {
+ $this->data["contact_info"] = file_get_contents($file);
+ } else {
+ $this->data["contact_info"] = '<p>Contact info not available.</p>';
+ }
+
+ $this->load->view('header', $this->data);
+ $this->load->view('contact', $this->data);
+ $this->load->view('footer', $this->data);
+ }
+
+ /* Functions below this comment can only be run via the CLI
+ * `php index.php file <function name>`
+ */
+
+ // Removes old files
+ function cron()
+ {
+ if (!$this->input->is_cli_request()) return;
+
+ // 0 age disables age checks
+ if ($this->config->item('upload_max_age') == 0) return;
+
+ $oldest_time = (time() - $this->config->item('upload_max_age'));
+ $oldest_session_time = (time() - $this->config->item("sess_expiration"));
+
+ $small_upload_size = $this->config->item('small_upload_size');
+
+ $query = $this->db->query('
+ SELECT hash, id, user
+ FROM files
+ WHERE date < ? OR (user = 0 AND date < ?)',
+ array($oldest_time, $oldest_session_time));
+
+ foreach($query->result_array() as $row) {
+ $file = $this->mfile->file($row['hash']);
+ if (!file_exists($file)) {
+ $this->db->query('DELETE FROM files WHERE id = ? LIMIT 1', array($row['id']));
+ continue;
+ }
+
+ if ($row["user"] == 0 || filesize($file) > $small_upload_size) {
+ if (filemtime($file) < $oldest_time) {
+ unlink($file);
+ $this->db->query('DELETE FROM files WHERE hash = ?', array($row['hash']));
+ } else {
+ $this->db->query('DELETE FROM files WHERE id = ? LIMIT 1', array($row['id']));
+ if ($this->mfile->stale_hash($row["hash"])) {
+ unlink($file);
+ }
+ }
+ }
+ }
+ }
+
+ /* remove files without database entries */
+ function clean_stale_files()
+ {
+ if (!$this->input->is_cli_request()) return;
+
+ $upload_path = $this->config->item("upload_path");
+ $outer_dh = opendir($upload_path);
+
+ while (($dir = readdir($outer_dh)) !== false) {
+ if (!is_dir($upload_path."/".$dir) || $dir == ".." || $dir == ".") {
+ continue;
+ }
+
+ $dh = opendir($upload_path."/".$dir);
+
+ $empty = true;
+
+ while (($file = readdir($dh)) !== false) {
+ if ($file == ".." || $file == ".") {
+ continue;
+ }
+
+ $query = $this->db->query("SELECT hash FROM files WHERE hash = ? LIMIT 1", array($file))->row_array();
+
+ if (empty($query)) {
+ unlink($upload_path."/".$dir."/".$file);
+ } else {
+ $empty = false;
+ }
+ }
+
+ closedir($dh);
+
+ if ($empty) {
+ rmdir($upload_path."/".$dir);
+ }
+ }
+ closedir($outer_dh);
+ }
+
+ function nuke_id()
+ {
+ if (!$this->input->is_cli_request()) return;
+
+ $id = $this->uri->segment(3);
+
+
+ $file_data = $this->mfile->get_filedata($id);
+
+ if (empty($file_data)) {
+ echo "unknown id \"$id\"\n";
+ return;
+ }
+
+ $hash = $file_data["hash"];
+
+ $this->db->query("
+ DELETE FROM files
+ WHERE hash = ?
+ ", array($hash));
+
+ unlink($this->mfile->file($hash));
+
+ echo "removed hash \"$hash\"\n";
+ }
+
+ function update_file_metadata()
+ {
+ if (!$this->input->is_cli_request()) return;
+
+ $chunk = 500;
+
+ $total = $this->db->count_all("files");
+
+ for ($limit = 0; $limit < $total; $limit += $chunk) {
+ $query = $this->db->query("
+ SELECT hash
+ FROM files
+ GROUP BY hash
+ LIMIT $limit, $chunk
+ ")->result_array();
+
+ foreach ($query as $key => $item) {
+ $hash = $item["hash"];
+ $filesize = intval(filesize($this->mfile->file($hash)));
+ $mimetype = $this->mfile->mimetype($this->mfile->file($hash));
+
+ $this->db->query("
+ UPDATE files
+ SET filesize = ?, mimetype = ?
+ WHERE hash = ?
+ ", array($filesize, $mimetype, $hash));
+ }
+ }
+ }
+}
+
+# vim: set noet:
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-07-08 09:17:27 +0200