forked from GNUsocial/gnu-social
f4e4a8dd8a
Modified the regex so that strings such as /usr/share/perl5/HTML/Mason/ApacheHandler.pm as not turned into links
1401 lines
40 KiB
PHP
1401 lines
40 KiB
PHP
<?php
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/*
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2008, 2009, Control Yourself, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* XXX: break up into separate modules (HTTP, user, files) */
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// Show a server error
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function common_server_error($msg, $code=500)
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{
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$err = new ServerErrorAction($msg, $code);
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$err->showPage();
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}
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// Show a user error
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function common_user_error($msg, $code=400)
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{
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$err = new ClientErrorAction($msg, $code);
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$err->showPage();
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}
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function common_init_locale($language=null)
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{
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if(!$language) {
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$language = common_language();
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}
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putenv('LANGUAGE='.$language);
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putenv('LANG='.$language);
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return setlocale(LC_ALL, $language . ".utf8",
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$language . ".UTF8",
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$language . ".utf-8",
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$language . ".UTF-8",
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$language);
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}
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function common_init_language()
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{
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mb_internal_encoding('UTF-8');
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$language = common_language();
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// So we don't have to make people install the gettext locales
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$locale_set = common_init_locale($language);
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bindtextdomain("laconica", common_config('site','locale_path'));
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bind_textdomain_codeset("laconica", "UTF-8");
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textdomain("laconica");
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setlocale(LC_CTYPE, 'C');
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if(!$locale_set) {
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common_log(LOG_INFO,'Language requested:'.$language.' - locale could not be set:',__FILE__);
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}
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}
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function common_timezone()
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{
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if (common_logged_in()) {
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$user = common_current_user();
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if ($user->timezone) {
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return $user->timezone;
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}
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}
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return common_config('site', 'timezone');
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}
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function common_language()
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{
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// If there is a user logged in and they've set a language preference
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// then return that one...
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if (_have_config() && common_logged_in()) {
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$user = common_current_user();
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$user_language = $user->language;
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if ($user_language)
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return $user_language;
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}
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// Otherwise, find the best match for the languages requested by the
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// user's browser...
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$httplang = isset($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : null;
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if (!empty($httplang)) {
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$language = client_prefered_language($httplang);
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if ($language)
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return $language;
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}
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// Finally, if none of the above worked, use the site's default...
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return common_config('site', 'language');
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}
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// salted, hashed passwords are stored in the DB
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function common_munge_password($password, $id)
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{
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return md5($password . $id);
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}
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// check if a username exists and has matching password
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function common_check_user($nickname, $password)
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{
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// NEVER allow blank passwords, even if they match the DB
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if (mb_strlen($password) == 0) {
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return false;
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}
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$user = User::staticGet('nickname', $nickname);
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if (is_null($user) || $user === false) {
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return false;
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} else {
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if (0 == strcmp(common_munge_password($password, $user->id),
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$user->password)) {
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return $user;
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} else {
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return false;
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}
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}
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}
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// is the current user logged in?
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function common_logged_in()
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{
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return (!is_null(common_current_user()));
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}
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function common_have_session()
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{
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return (0 != strcmp(session_id(), ''));
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}
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function common_ensure_session()
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{
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$c = null;
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if (array_key_exists(session_name(), $_COOKIE)) {
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$c = $_COOKIE[session_name()];
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}
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if (!common_have_session()) {
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if (common_config('sessions', 'handle')) {
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Session::setSaveHandler();
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}
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@session_start();
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if (!isset($_SESSION['started'])) {
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$_SESSION['started'] = time();
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if (!empty($c)) {
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common_log(LOG_WARNING, 'Session cookie "' . $_COOKIE[session_name()] . '" ' .
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' is set but started value is null');
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}
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}
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}
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}
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// Three kinds of arguments:
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// 1) a user object
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// 2) a nickname
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// 3) null to clear
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// Initialize to false; set to null if none found
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$_cur = false;
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function common_set_user($user)
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{
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global $_cur;
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if (is_null($user) && common_have_session()) {
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$_cur = null;
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unset($_SESSION['userid']);
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return true;
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} else if (is_string($user)) {
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$nickname = $user;
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$user = User::staticGet('nickname', $nickname);
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} else if (!($user instanceof User)) {
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return false;
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}
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if ($user) {
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common_ensure_session();
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$_SESSION['userid'] = $user->id;
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$_cur = $user;
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return $_cur;
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}
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return false;
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}
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function common_set_cookie($key, $value, $expiration=0)
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{
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$path = common_config('site', 'path');
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$server = common_config('site', 'server');
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if ($path && ($path != '/')) {
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$cookiepath = '/' . $path . '/';
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} else {
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$cookiepath = '/';
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}
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return setcookie($key,
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$value,
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$expiration,
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$cookiepath,
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$server);
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}
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define('REMEMBERME', 'rememberme');
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define('REMEMBERME_EXPIRY', 30 * 24 * 60 * 60); // 30 days
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function common_rememberme($user=null)
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{
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if (!$user) {
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$user = common_current_user();
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if (!$user) {
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common_debug('No current user to remember', __FILE__);
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return false;
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}
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}
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$rm = new Remember_me();
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$rm->code = common_good_rand(16);
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$rm->user_id = $user->id;
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// Wrap the insert in some good ol' fashioned transaction code
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$rm->query('BEGIN');
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$result = $rm->insert();
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if (!$result) {
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common_log_db_error($rm, 'INSERT', __FILE__);
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common_debug('Error adding rememberme record for ' . $user->nickname, __FILE__);
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return false;
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}
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$rm->query('COMMIT');
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common_debug('Inserted rememberme record (' . $rm->code . ', ' . $rm->user_id . '); result = ' . $result . '.', __FILE__);
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$cookieval = $rm->user_id . ':' . $rm->code;
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common_log(LOG_INFO, 'adding rememberme cookie "' . $cookieval . '" for ' . $user->nickname);
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common_set_cookie(REMEMBERME, $cookieval, time() + REMEMBERME_EXPIRY);
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return true;
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}
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function common_remembered_user()
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{
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$user = null;
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$packed = isset($_COOKIE[REMEMBERME]) ? $_COOKIE[REMEMBERME] : null;
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if (!$packed) {
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return null;
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}
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list($id, $code) = explode(':', $packed);
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if (!$id || !$code) {
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common_log(LOG_WARNING, 'Malformed rememberme cookie: ' . $packed);
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common_forgetme();
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return null;
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}
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$rm = Remember_me::staticGet($code);
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if (!$rm) {
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common_log(LOG_WARNING, 'No such remember code: ' . $code);
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common_forgetme();
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return null;
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}
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if ($rm->user_id != $id) {
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common_log(LOG_WARNING, 'Rememberme code for wrong user: ' . $rm->user_id . ' != ' . $id);
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common_forgetme();
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return null;
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}
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$user = User::staticGet($rm->user_id);
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if (!$user) {
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common_log(LOG_WARNING, 'No such user for rememberme: ' . $rm->user_id);
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common_forgetme();
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return null;
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}
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// successful!
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$result = $rm->delete();
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if (!$result) {
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common_log_db_error($rm, 'DELETE', __FILE__);
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common_log(LOG_WARNING, 'Could not delete rememberme: ' . $code);
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common_forgetme();
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return null;
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}
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common_log(LOG_INFO, 'logging in ' . $user->nickname . ' using rememberme code ' . $rm->code);
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common_set_user($user);
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common_real_login(false);
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// We issue a new cookie, so they can log in
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// automatically again after this session
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common_rememberme($user);
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return $user;
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}
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// must be called with a valid user!
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function common_forgetme()
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{
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common_set_cookie(REMEMBERME, '', 0);
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}
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// who is the current user?
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function common_current_user()
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{
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global $_cur;
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if (!_have_config()) {
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return null;
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}
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if ($_cur === false) {
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if (isset($_REQUEST[session_name()]) || (isset($_SESSION['userid']) && $_SESSION['userid'])) {
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common_ensure_session();
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$id = isset($_SESSION['userid']) ? $_SESSION['userid'] : false;
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if ($id) {
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$_cur = User::staticGet($id);
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return $_cur;
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}
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}
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// that didn't work; try to remember; will init $_cur to null on failure
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$_cur = common_remembered_user();
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if ($_cur) {
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common_debug("Got User " . $_cur->nickname);
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common_debug("Faking session on remembered user");
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// XXX: Is this necessary?
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$_SESSION['userid'] = $_cur->id;
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}
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}
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return $_cur;
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}
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// Logins that are 'remembered' aren't 'real' -- they're subject to
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// cookie-stealing. So, we don't let them do certain things. New reg,
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// OpenID, and password logins _are_ real.
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function common_real_login($real=true)
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{
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common_ensure_session();
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$_SESSION['real_login'] = $real;
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}
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function common_is_real_login()
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{
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return common_logged_in() && $_SESSION['real_login'];
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}
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// get canonical version of nickname for comparison
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function common_canonical_nickname($nickname)
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{
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// XXX: UTF-8 canonicalization (like combining chars)
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return strtolower($nickname);
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}
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// get canonical version of email for comparison
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function common_canonical_email($email)
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{
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// XXX: canonicalize UTF-8
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// XXX: lcase the domain part
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return $email;
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}
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function common_render_content($text, $notice)
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{
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$r = common_render_text($text);
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$id = $notice->profile_id;
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$r = preg_replace('/(^|\s+)@([A-Za-z0-9]{1,64})/e', "'\\1@'.common_at_link($id, '\\2')", $r);
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$r = preg_replace('/^T ([A-Z0-9]{1,64}) /e', "'T '.common_at_link($id, '\\1').' '", $r);
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$r = preg_replace('/(^|\s+)@#([A-Za-z0-9]{1,64})/e', "'\\1@#'.common_at_hash_link($id, '\\2')", $r);
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$r = preg_replace('/(^|\s)!([A-Za-z0-9]{1,64})/e', "'\\1!'.common_group_link($id, '\\2')", $r);
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return $r;
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}
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function common_render_text($text)
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{
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$r = htmlspecialchars($text);
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$r = preg_replace('/[\x{0}-\x{8}\x{b}-\x{c}\x{e}-\x{19}]/', '', $r);
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$r = common_replace_urls_callback($r, 'common_linkify');
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$r = preg_replace('/(^|\(|\[|\s+)#([\pL\pN_\-\.]{1,64})/e', "'\\1#'.common_tag_link('\\2')", $r);
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// XXX: machine tags
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return $r;
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}
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function common_replace_urls_callback($text, $callback, $notice_id = null) {
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// Start off with a regex
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$regex = '#'.
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'(?:^|\s+)('.
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'(?:'.
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'(?:https?|ftps?|mms|rtsp|gopher|news|nntp|telnet|wais|file|prospero|webcal|irc)://'.
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'|'.
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'(?:mailto|aim|tel|xmpp):'.
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')?'.
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'(?:'.
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'(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)'. //IPv4
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'|(?:'.
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'(?:[0-9a-f]{1,4}:){1,1}(?::[0-9a-f]{1,4}){1,6}|'. //IPv6
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'(?:[0-9a-f]{1,4}:){1,2}(?::[0-9a-f]{1,4}){1,5}|'.
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'(?:[0-9a-f]{1,4}:){1,3}(?::[0-9a-f]{1,4}){1,4}|'.
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'(?:[0-9a-f]{1,4}:){1,4}(?::[0-9a-f]{1,4}){1,3}|'.
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'(?:[0-9a-f]{1,4}:){1,5}(?::[0-9a-f]{1,4}){1,2}|'.
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'(?:[0-9a-f]{1,4}:){1,6}(?::[0-9a-f]{1,4}){1,1}|'.
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'(?:(?:[0-9a-f]{1,4}:){1,7}|:):|'.
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':(?::[0-9a-f]{1,4}){1,7}|'.
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'(?:(?:(?:[0-9a-f]{1,4}:){6})(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3})|'.
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'(?:(?:[0-9a-f]{1,4}:){5}[0-9a-f]{1,4}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3})|'.
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'(?:[0-9a-f]{1,4}:){5}:[0-9a-f]{1,4}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'.
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'(?:[0-9a-f]{1,4}:){1,1}(?::[0-9a-f]{1,4}){1,4}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'.
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'(?:[0-9a-f]{1,4}:){1,2}(?::[0-9a-f]{1,4}){1,3}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'.
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'(?:[0-9a-f]{1,4}:){1,3}(?::[0-9a-f]{1,4}){1,2}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'.
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'(?:[0-9a-f]{1,4}:){1,4}(?::[0-9a-f]{1,4}){1,1}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'.
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'(?:(?:[0-9a-f]{1,4}:){1,5}|:):(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}|'.
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':(?::[0-9a-f]{1,4}){1,5}:(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)(?:\.(?:25[0-5]|2[0-4]\d|[0-1]?\d?\d)){3}'.
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')|'.
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'(?:[^.\s/:]+\.)+'. //DNS
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'(?:museum|travel|onion|[a-z]{2,4})'.
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')'.
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'(?:[:/][^\s]*)?'.
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')'.
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'#ix';
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preg_match_all($regex, $text, $matches);
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// Then clean up what the regex left behind
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$offset = 0;
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foreach($matches[1] as $url) {
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// Call user specified func
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if (empty($notice_id)) {
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$modified_url = call_user_func($callback, $url);
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} else {
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$modified_url = call_user_func($callback, array($url, $notice_id));
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}
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// Replace it!
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$start = mb_strpos($text, $url, $offset);
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$text = mb_substr($text, 0, $start).$modified_url.mb_substr($text, $start + mb_strlen($url), mb_strlen($text));
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$offset = $start + mb_strlen($modified_url);
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}
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return $text;
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}
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|
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function common_linkify($url) {
|
|
// It comes in special'd, so we unspecial it before passing to the stringifying
|
|
// functions
|
|
$url = htmlspecialchars_decode($url);
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|
|
$canon = File_redirection::_canonUrl($url);
|
|
|
|
$longurl_data = File_redirection::where($url);
|
|
if (is_array($longurl_data)) {
|
|
$longurl = $longurl_data['url'];
|
|
} elseif (is_string($longurl_data)) {
|
|
$longurl = $longurl_data;
|
|
} else {
|
|
throw new ServerException("Can't linkify url '$url'");
|
|
}
|
|
|
|
$attrs = array('href' => $canon, 'rel' => 'external');
|
|
|
|
$is_attachment = false;
|
|
$attachment_id = null;
|
|
$has_thumb = false;
|
|
|
|
// Check to see whether there's a filename associated with this URL.
|
|
// If there is, it's an upload and qualifies as an attachment
|
|
|
|
$localfile = File::staticGet('url', $longurl);
|
|
|
|
if (!empty($localfile)) {
|
|
if (isset($localfile->filename)) {
|
|
$is_attachment = true;
|
|
$attachment_id = $localfile->id;
|
|
}
|
|
}
|
|
|
|
// if this URL is an attachment, then we set class='attachment' and id='attahcment-ID'
|
|
// where ID is the id of the attachment for the given URL.
|
|
//
|
|
// we need a better test telling what can be shown as an attachment
|
|
// we're currently picking up oembeds only.
|
|
// I think the best option is another file_view table in the db
|
|
// and associated dbobject.
|
|
|
|
$query = "select file_oembed.file_id as file_id from file join file_oembed on file.id = file_oembed.file_id where file.url='$longurl'";
|
|
$file = new File;
|
|
$file->query($query);
|
|
$file->fetch();
|
|
|
|
if (!empty($file->file_id)) {
|
|
$is_attachment = true;
|
|
$attachment_id = $file->file_id;
|
|
|
|
$query = "select file_thumbnail.file_id as file_id from file join file_thumbnail on file.id = file_thumbnail.file_id where file.url='$longurl'";
|
|
$file2 = new File;
|
|
$file2->query($query);
|
|
$file2->fetch();
|
|
|
|
if (!empty($file2)) {
|
|
$has_thumb = true;
|
|
}
|
|
}
|
|
|
|
// Add clippy
|
|
if ($is_attachment) {
|
|
$attrs['class'] = 'attachment';
|
|
if ($has_thumb) {
|
|
$attrs['class'] = 'attachment thumbnail';
|
|
}
|
|
$attrs['id'] = "attachment-{$attachment_id}";
|
|
}
|
|
|
|
return XMLStringer::estring('a', $attrs, $url);
|
|
}
|
|
|
|
function common_shorten_links($text)
|
|
{
|
|
if (mb_strlen($text) <= 140) return $text;
|
|
return common_replace_urls_callback($text, array('File_redirection', 'makeShort'));
|
|
}
|
|
|
|
function common_xml_safe_str($str)
|
|
{
|
|
// Neutralize control codes and surrogates
|
|
return preg_replace('/[\p{Cc}\p{Cs}]/u', '*', $str);
|
|
}
|
|
|
|
function common_tag_link($tag)
|
|
{
|
|
$canonical = common_canonical_tag($tag);
|
|
$url = common_local_url('tag', array('tag' => $canonical));
|
|
$xs = new XMLStringer();
|
|
$xs->elementStart('span', 'tag');
|
|
$xs->element('a', array('href' => $url,
|
|
'rel' => 'tag'),
|
|
$tag);
|
|
$xs->elementEnd('span');
|
|
return $xs->getString();
|
|
}
|
|
|
|
function common_canonical_tag($tag)
|
|
{
|
|
$tag = mb_convert_case($tag, MB_CASE_LOWER, "UTF-8");
|
|
return str_replace(array('-', '_', '.'), '', $tag);
|
|
}
|
|
|
|
function common_valid_profile_tag($str)
|
|
{
|
|
return preg_match('/^[A-Za-z0-9_\-\.]{1,64}$/', $str);
|
|
}
|
|
|
|
function common_at_link($sender_id, $nickname)
|
|
{
|
|
$sender = Profile::staticGet($sender_id);
|
|
$recipient = common_relative_profile($sender, common_canonical_nickname($nickname));
|
|
if ($recipient) {
|
|
$user = User::staticGet('id', $recipient->id);
|
|
if ($user) {
|
|
$url = common_local_url('userbyid', array('id' => $user->id));
|
|
} else {
|
|
$url = $recipient->profileurl;
|
|
}
|
|
$xs = new XMLStringer(false);
|
|
$attrs = array('href' => $url,
|
|
'class' => 'url');
|
|
if (!empty($recipient->fullname)) {
|
|
$attrs['title'] = $recipient->fullname . ' (' . $recipient->nickname . ')';
|
|
}
|
|
$xs->elementStart('span', 'vcard');
|
|
$xs->elementStart('a', $attrs);
|
|
$xs->element('span', 'fn nickname', $nickname);
|
|
$xs->elementEnd('a');
|
|
$xs->elementEnd('span');
|
|
return $xs->getString();
|
|
} else {
|
|
return $nickname;
|
|
}
|
|
}
|
|
|
|
function common_group_link($sender_id, $nickname)
|
|
{
|
|
$sender = Profile::staticGet($sender_id);
|
|
$group = User_group::getForNickname($nickname);
|
|
if ($group && $sender->isMember($group)) {
|
|
$attrs = array('href' => $group->permalink(),
|
|
'class' => 'url');
|
|
if (!empty($group->fullname)) {
|
|
$attrs['title'] = $group->fullname . ' (' . $group->nickname . ')';
|
|
}
|
|
$xs = new XMLStringer();
|
|
$xs->elementStart('span', 'vcard');
|
|
$xs->elementStart('a', $attrs);
|
|
$xs->element('span', 'fn nickname', $nickname);
|
|
$xs->elementEnd('a');
|
|
$xs->elementEnd('span');
|
|
return $xs->getString();
|
|
} else {
|
|
return $nickname;
|
|
}
|
|
}
|
|
|
|
function common_at_hash_link($sender_id, $tag)
|
|
{
|
|
$user = User::staticGet($sender_id);
|
|
if (!$user) {
|
|
return $tag;
|
|
}
|
|
$tagged = Profile_tag::getTagged($user->id, common_canonical_tag($tag));
|
|
if ($tagged) {
|
|
$url = common_local_url('subscriptions',
|
|
array('nickname' => $user->nickname,
|
|
'tag' => $tag));
|
|
$xs = new XMLStringer();
|
|
$xs->elementStart('span', 'tag');
|
|
$xs->element('a', array('href' => $url,
|
|
'rel' => $tag),
|
|
$tag);
|
|
$xs->elementEnd('span');
|
|
return $xs->getString();
|
|
} else {
|
|
return $tag;
|
|
}
|
|
}
|
|
|
|
function common_relative_profile($sender, $nickname, $dt=null)
|
|
{
|
|
// Try to find profiles this profile is subscribed to that have this nickname
|
|
$recipient = new Profile();
|
|
// XXX: use a join instead of a subquery
|
|
$recipient->whereAdd('EXISTS (SELECT subscribed from subscription where subscriber = '.$sender->id.' and subscribed = id)', 'AND');
|
|
$recipient->whereAdd("nickname = '" . trim($nickname) . "'", 'AND');
|
|
if ($recipient->find(true)) {
|
|
// XXX: should probably differentiate between profiles with
|
|
// the same name by date of most recent update
|
|
return $recipient;
|
|
}
|
|
// Try to find profiles that listen to this profile and that have this nickname
|
|
$recipient = new Profile();
|
|
// XXX: use a join instead of a subquery
|
|
$recipient->whereAdd('EXISTS (SELECT subscriber from subscription where subscribed = '.$sender->id.' and subscriber = id)', 'AND');
|
|
$recipient->whereAdd("nickname = '" . trim($nickname) . "'", 'AND');
|
|
if ($recipient->find(true)) {
|
|
// XXX: should probably differentiate between profiles with
|
|
// the same name by date of most recent update
|
|
return $recipient;
|
|
}
|
|
// If this is a local user, try to find a local user with that nickname.
|
|
$sender = User::staticGet($sender->id);
|
|
if ($sender) {
|
|
$recipient_user = User::staticGet('nickname', $nickname);
|
|
if ($recipient_user) {
|
|
return $recipient_user->getProfile();
|
|
}
|
|
}
|
|
// Otherwise, no links. @messages from local users to remote users,
|
|
// or from remote users to other remote users, are just
|
|
// outside our ability to make intelligent guesses about
|
|
return null;
|
|
}
|
|
|
|
function common_local_url($action, $args=null, $params=null, $fragment=null)
|
|
{
|
|
static $sensitive = array('login', 'register', 'passwordsettings',
|
|
'twittersettings', 'finishopenidlogin',
|
|
'finishaddopenid', 'api');
|
|
|
|
$r = Router::get();
|
|
$path = $r->build($action, $args, $params, $fragment);
|
|
|
|
$ssl = in_array($action, $sensitive);
|
|
|
|
if (common_config('site','fancy')) {
|
|
$url = common_path(mb_substr($path, 1), $ssl);
|
|
} else {
|
|
if (mb_strpos($path, '/index.php') === 0) {
|
|
$url = common_path(mb_substr($path, 1), $ssl);
|
|
} else {
|
|
$url = common_path('index.php'.$path, $ssl);
|
|
}
|
|
}
|
|
return $url;
|
|
}
|
|
|
|
function common_path($relative, $ssl=false)
|
|
{
|
|
$pathpart = (common_config('site', 'path')) ? common_config('site', 'path')."/" : '';
|
|
|
|
if (($ssl && (common_config('site', 'ssl') === 'sometimes'))
|
|
|| common_config('site', 'ssl') === 'always') {
|
|
$proto = 'https';
|
|
if (is_string(common_config('site', 'sslserver')) &&
|
|
mb_strlen(common_config('site', 'sslserver')) > 0) {
|
|
$serverpart = common_config('site', 'sslserver');
|
|
} else {
|
|
$serverpart = common_config('site', 'server');
|
|
}
|
|
} else {
|
|
$proto = 'http';
|
|
$serverpart = common_config('site', 'server');
|
|
}
|
|
|
|
return $proto.'://'.$serverpart.'/'.$pathpart.$relative;
|
|
}
|
|
|
|
function common_date_string($dt)
|
|
{
|
|
// XXX: do some sexy date formatting
|
|
// return date(DATE_RFC822, $dt);
|
|
$t = strtotime($dt);
|
|
$now = time();
|
|
$diff = $now - $t;
|
|
|
|
if ($now < $t) { // that shouldn't happen!
|
|
return common_exact_date($dt);
|
|
} else if ($diff < 60) {
|
|
return _('a few seconds ago');
|
|
} else if ($diff < 92) {
|
|
return _('about a minute ago');
|
|
} else if ($diff < 3300) {
|
|
return sprintf(_('about %d minutes ago'), round($diff/60));
|
|
} else if ($diff < 5400) {
|
|
return _('about an hour ago');
|
|
} else if ($diff < 22 * 3600) {
|
|
return sprintf(_('about %d hours ago'), round($diff/3600));
|
|
} else if ($diff < 37 * 3600) {
|
|
return _('about a day ago');
|
|
} else if ($diff < 24 * 24 * 3600) {
|
|
return sprintf(_('about %d days ago'), round($diff/(24*3600)));
|
|
} else if ($diff < 46 * 24 * 3600) {
|
|
return _('about a month ago');
|
|
} else if ($diff < 330 * 24 * 3600) {
|
|
return sprintf(_('about %d months ago'), round($diff/(30*24*3600)));
|
|
} else if ($diff < 480 * 24 * 3600) {
|
|
return _('about a year ago');
|
|
} else {
|
|
return common_exact_date($dt);
|
|
}
|
|
}
|
|
|
|
function common_exact_date($dt)
|
|
{
|
|
static $_utc;
|
|
static $_siteTz;
|
|
|
|
if (!$_utc) {
|
|
$_utc = new DateTimeZone('UTC');
|
|
$_siteTz = new DateTimeZone(common_timezone());
|
|
}
|
|
|
|
$dateStr = date('d F Y H:i:s', strtotime($dt));
|
|
$d = new DateTime($dateStr, $_utc);
|
|
$d->setTimezone($_siteTz);
|
|
return $d->format(DATE_RFC850);
|
|
}
|
|
|
|
function common_date_w3dtf($dt)
|
|
{
|
|
$dateStr = date('d F Y H:i:s', strtotime($dt));
|
|
$d = new DateTime($dateStr, new DateTimeZone('UTC'));
|
|
$d->setTimezone(new DateTimeZone(common_timezone()));
|
|
return $d->format(DATE_W3C);
|
|
}
|
|
|
|
function common_date_rfc2822($dt)
|
|
{
|
|
$dateStr = date('d F Y H:i:s', strtotime($dt));
|
|
$d = new DateTime($dateStr, new DateTimeZone('UTC'));
|
|
$d->setTimezone(new DateTimeZone(common_timezone()));
|
|
return $d->format('r');
|
|
}
|
|
|
|
function common_date_iso8601($dt)
|
|
{
|
|
$dateStr = date('d F Y H:i:s', strtotime($dt));
|
|
$d = new DateTime($dateStr, new DateTimeZone('UTC'));
|
|
$d->setTimezone(new DateTimeZone(common_timezone()));
|
|
return $d->format('c');
|
|
}
|
|
|
|
function common_sql_now()
|
|
{
|
|
return common_sql_date(time());
|
|
}
|
|
|
|
function common_sql_date($datetime)
|
|
{
|
|
return strftime('%Y-%m-%d %H:%M:%S', $datetime);
|
|
}
|
|
|
|
function common_redirect($url, $code=307)
|
|
{
|
|
static $status = array(301 => "Moved Permanently",
|
|
302 => "Found",
|
|
303 => "See Other",
|
|
307 => "Temporary Redirect");
|
|
|
|
header('HTTP/1.1 '.$code.' '.$status[$code]);
|
|
header("Location: $url");
|
|
|
|
$xo = new XMLOutputter();
|
|
$xo->startXML('a',
|
|
'-//W3C//DTD XHTML 1.0 Strict//EN',
|
|
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
|
|
$xo->element('a', array('href' => $url), $url);
|
|
$xo->endXML();
|
|
exit;
|
|
}
|
|
|
|
function common_broadcast_notice($notice, $remote=false)
|
|
{
|
|
return common_enqueue_notice($notice);
|
|
}
|
|
|
|
// Stick the notice on the queue
|
|
|
|
function common_enqueue_notice($notice)
|
|
{
|
|
static $localTransports = array('omb',
|
|
'twitter',
|
|
'facebook',
|
|
'ping');
|
|
static $allTransports = array('sms');
|
|
|
|
$transports = $allTransports;
|
|
|
|
$xmpp = common_config('xmpp', 'enabled');
|
|
|
|
if ($xmpp) {
|
|
$transports[] = 'jabber';
|
|
}
|
|
|
|
if ($notice->is_local == NOTICE_LOCAL_PUBLIC ||
|
|
$notice->is_local == NOTICE_LOCAL_NONPUBLIC) {
|
|
$transports = array_merge($transports, $localTransports);
|
|
if ($xmpp) {
|
|
$transports[] = 'public';
|
|
}
|
|
}
|
|
|
|
$qm = QueueManager::get();
|
|
|
|
foreach ($transports as $transport)
|
|
{
|
|
$qm->enqueue($notice, $transport);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function common_broadcast_profile($profile)
|
|
{
|
|
// XXX: optionally use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
|
|
require_once(INSTALLDIR.'/lib/omb.php');
|
|
omb_broadcast_profile($profile);
|
|
// XXX: Other broadcasts...?
|
|
return true;
|
|
}
|
|
|
|
function common_profile_url($nickname)
|
|
{
|
|
return common_local_url('showstream', array('nickname' => $nickname));
|
|
}
|
|
|
|
// Should make up a reasonable root URL
|
|
|
|
function common_root_url($ssl=false)
|
|
{
|
|
return common_path('', $ssl);
|
|
}
|
|
|
|
// returns $bytes bytes of random data as a hexadecimal string
|
|
// "good" here is a goal and not a guarantee
|
|
|
|
function common_good_rand($bytes)
|
|
{
|
|
// XXX: use random.org...?
|
|
if (@file_exists('/dev/urandom')) {
|
|
return common_urandom($bytes);
|
|
} else { // FIXME: this is probably not good enough
|
|
return common_mtrand($bytes);
|
|
}
|
|
}
|
|
|
|
function common_urandom($bytes)
|
|
{
|
|
$h = fopen('/dev/urandom', 'rb');
|
|
// should not block
|
|
$src = fread($h, $bytes);
|
|
fclose($h);
|
|
$enc = '';
|
|
for ($i = 0; $i < $bytes; $i++) {
|
|
$enc .= sprintf("%02x", (ord($src[$i])));
|
|
}
|
|
return $enc;
|
|
}
|
|
|
|
function common_mtrand($bytes)
|
|
{
|
|
$enc = '';
|
|
for ($i = 0; $i < $bytes; $i++) {
|
|
$enc .= sprintf("%02x", mt_rand(0, 255));
|
|
}
|
|
return $enc;
|
|
}
|
|
|
|
function common_set_returnto($url)
|
|
{
|
|
common_ensure_session();
|
|
$_SESSION['returnto'] = $url;
|
|
}
|
|
|
|
function common_get_returnto()
|
|
{
|
|
common_ensure_session();
|
|
return $_SESSION['returnto'];
|
|
}
|
|
|
|
function common_timestamp()
|
|
{
|
|
return date('YmdHis');
|
|
}
|
|
|
|
function common_ensure_syslog()
|
|
{
|
|
static $initialized = false;
|
|
if (!$initialized) {
|
|
openlog(common_config('syslog', 'appname'), 0,
|
|
common_config('syslog', 'facility'));
|
|
$initialized = true;
|
|
}
|
|
}
|
|
|
|
function common_log_line($priority, $msg)
|
|
{
|
|
static $syslog_priorities = array('LOG_EMERG', 'LOG_ALERT', 'LOG_CRIT', 'LOG_ERR',
|
|
'LOG_WARNING', 'LOG_NOTICE', 'LOG_INFO', 'LOG_DEBUG');
|
|
return date('Y-m-d H:i:s') . ' ' . $syslog_priorities[$priority] . ': ' . $msg . "\n";
|
|
}
|
|
|
|
function common_log($priority, $msg, $filename=null)
|
|
{
|
|
$logfile = common_config('site', 'logfile');
|
|
if ($logfile) {
|
|
$log = fopen($logfile, "a");
|
|
if ($log) {
|
|
$output = common_log_line($priority, $msg);
|
|
fwrite($log, $output);
|
|
fclose($log);
|
|
}
|
|
} else {
|
|
common_ensure_syslog();
|
|
syslog($priority, $msg);
|
|
}
|
|
}
|
|
|
|
function common_debug($msg, $filename=null)
|
|
{
|
|
if ($filename) {
|
|
common_log(LOG_DEBUG, basename($filename).' - '.$msg);
|
|
} else {
|
|
common_log(LOG_DEBUG, $msg);
|
|
}
|
|
}
|
|
|
|
function common_log_db_error(&$object, $verb, $filename=null)
|
|
{
|
|
$objstr = common_log_objstring($object);
|
|
$last_error = &PEAR::getStaticProperty('DB_DataObject','lastError');
|
|
common_log(LOG_ERR, $last_error->message . '(' . $verb . ' on ' . $objstr . ')', $filename);
|
|
}
|
|
|
|
function common_log_objstring(&$object)
|
|
{
|
|
if (is_null($object)) {
|
|
return "null";
|
|
}
|
|
if (!($object instanceof DB_DataObject)) {
|
|
return "(unknown)";
|
|
}
|
|
$arr = $object->toArray();
|
|
$fields = array();
|
|
foreach ($arr as $k => $v) {
|
|
$fields[] = "$k='$v'";
|
|
}
|
|
$objstring = $object->tableName() . '[' . implode(',', $fields) . ']';
|
|
return $objstring;
|
|
}
|
|
|
|
function common_valid_http_url($url)
|
|
{
|
|
return Validate::uri($url, array('allowed_schemes' => array('http', 'https')));
|
|
}
|
|
|
|
function common_valid_tag($tag)
|
|
{
|
|
if (preg_match('/^tag:(.*?),(\d{4}(-\d{2}(-\d{2})?)?):(.*)$/', $tag, $matches)) {
|
|
return (Validate::email($matches[1]) ||
|
|
preg_match('/^([\w-\.]+)$/', $matches[1]));
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/* Following functions are copied from MediaWiki GlobalFunctions.php
|
|
* and written by Evan Prodromou. */
|
|
|
|
function common_accept_to_prefs($accept, $def = '*/*')
|
|
{
|
|
// No arg means accept anything (per HTTP spec)
|
|
if(!$accept) {
|
|
return array($def => 1);
|
|
}
|
|
|
|
$prefs = array();
|
|
|
|
$parts = explode(',', $accept);
|
|
|
|
foreach($parts as $part) {
|
|
// FIXME: doesn't deal with params like 'text/html; level=1'
|
|
@list($value, $qpart) = explode(';', trim($part));
|
|
$match = array();
|
|
if(!isset($qpart)) {
|
|
$prefs[$value] = 1;
|
|
} elseif(preg_match('/q\s*=\s*(\d*\.\d+)/', $qpart, $match)) {
|
|
$prefs[$value] = $match[1];
|
|
}
|
|
}
|
|
|
|
return $prefs;
|
|
}
|
|
|
|
function common_mime_type_match($type, $avail)
|
|
{
|
|
if(array_key_exists($type, $avail)) {
|
|
return $type;
|
|
} else {
|
|
$parts = explode('/', $type);
|
|
if(array_key_exists($parts[0] . '/*', $avail)) {
|
|
return $parts[0] . '/*';
|
|
} elseif(array_key_exists('*/*', $avail)) {
|
|
return '*/*';
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
|
|
function common_negotiate_type($cprefs, $sprefs)
|
|
{
|
|
$combine = array();
|
|
|
|
foreach(array_keys($sprefs) as $type) {
|
|
$parts = explode('/', $type);
|
|
if($parts[1] != '*') {
|
|
$ckey = common_mime_type_match($type, $cprefs);
|
|
if($ckey) {
|
|
$combine[$type] = $sprefs[$type] * $cprefs[$ckey];
|
|
}
|
|
}
|
|
}
|
|
|
|
foreach(array_keys($cprefs) as $type) {
|
|
$parts = explode('/', $type);
|
|
if($parts[1] != '*' && !array_key_exists($type, $sprefs)) {
|
|
$skey = common_mime_type_match($type, $sprefs);
|
|
if($skey) {
|
|
$combine[$type] = $sprefs[$skey] * $cprefs[$type];
|
|
}
|
|
}
|
|
}
|
|
|
|
$bestq = 0;
|
|
$besttype = 'text/html';
|
|
|
|
foreach(array_keys($combine) as $type) {
|
|
if($combine[$type] > $bestq) {
|
|
$besttype = $type;
|
|
$bestq = $combine[$type];
|
|
}
|
|
}
|
|
|
|
if ('text/html' === $besttype) {
|
|
return "text/html; charset=utf-8";
|
|
}
|
|
return $besttype;
|
|
}
|
|
|
|
function common_config($main, $sub)
|
|
{
|
|
global $config;
|
|
return isset($config[$main][$sub]) ? $config[$main][$sub] : false;
|
|
}
|
|
|
|
function common_copy_args($from)
|
|
{
|
|
$to = array();
|
|
$strip = get_magic_quotes_gpc();
|
|
foreach ($from as $k => $v) {
|
|
$to[$k] = ($strip) ? stripslashes($v) : $v;
|
|
}
|
|
return $to;
|
|
}
|
|
|
|
// Neutralise the evil effects of magic_quotes_gpc in the current request.
|
|
// This is used before handing a request off to OAuthRequest::from_request.
|
|
function common_remove_magic_from_request()
|
|
{
|
|
if(get_magic_quotes_gpc()) {
|
|
$_POST=array_map('stripslashes',$_POST);
|
|
$_GET=array_map('stripslashes',$_GET);
|
|
}
|
|
}
|
|
|
|
function common_user_uri(&$user)
|
|
{
|
|
return common_local_url('userbyid', array('id' => $user->id));
|
|
}
|
|
|
|
function common_notice_uri(&$notice)
|
|
{
|
|
return common_local_url('shownotice',
|
|
array('notice' => $notice->id));
|
|
}
|
|
|
|
// 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits
|
|
|
|
function common_confirmation_code($bits)
|
|
{
|
|
// 36 alphanums - lookalikes (0, O, 1, I) = 32 chars = 5 bits
|
|
static $codechars = '23456789ABCDEFGHJKLMNPQRSTUVWXYZ';
|
|
$chars = ceil($bits/5);
|
|
$code = '';
|
|
for ($i = 0; $i < $chars; $i++) {
|
|
// XXX: convert to string and back
|
|
$num = hexdec(common_good_rand(1));
|
|
// XXX: randomness is too precious to throw away almost
|
|
// 40% of the bits we get!
|
|
$code .= $codechars[$num%32];
|
|
}
|
|
return $code;
|
|
}
|
|
|
|
// convert markup to HTML
|
|
|
|
function common_markup_to_html($c)
|
|
{
|
|
$c = preg_replace('/%%action.(\w+)%%/e', "common_local_url('\\1')", $c);
|
|
$c = preg_replace('/%%doc.(\w+)%%/e', "common_local_url('doc', array('title'=>'\\1'))", $c);
|
|
$c = preg_replace('/%%(\w+).(\w+)%%/e', 'common_config(\'\\1\', \'\\2\')', $c);
|
|
return Markdown($c);
|
|
}
|
|
|
|
function common_profile_uri($profile)
|
|
{
|
|
if (!$profile) {
|
|
return null;
|
|
}
|
|
$user = User::staticGet($profile->id);
|
|
if ($user) {
|
|
return $user->uri;
|
|
}
|
|
|
|
$remote = Remote_profile::staticGet($profile->id);
|
|
if ($remote) {
|
|
return $remote->uri;
|
|
}
|
|
// XXX: this is a very bad profile!
|
|
return null;
|
|
}
|
|
|
|
function common_canonical_sms($sms)
|
|
{
|
|
// strip non-digits
|
|
preg_replace('/\D/', '', $sms);
|
|
return $sms;
|
|
}
|
|
|
|
function common_error_handler($errno, $errstr, $errfile, $errline, $errcontext)
|
|
{
|
|
switch ($errno) {
|
|
|
|
case E_ERROR:
|
|
case E_COMPILE_ERROR:
|
|
case E_CORE_ERROR:
|
|
case E_USER_ERROR:
|
|
case E_PARSE:
|
|
case E_RECOVERABLE_ERROR:
|
|
common_log(LOG_ERR, "[$errno] $errstr ($errfile:$errline) [ABORT]");
|
|
die();
|
|
break;
|
|
|
|
case E_WARNING:
|
|
case E_COMPILE_WARNING:
|
|
case E_CORE_WARNING:
|
|
case E_USER_WARNING:
|
|
common_log(LOG_WARNING, "[$errno] $errstr ($errfile:$errline)");
|
|
break;
|
|
|
|
case E_NOTICE:
|
|
case E_USER_NOTICE:
|
|
common_log(LOG_NOTICE, "[$errno] $errstr ($errfile:$errline)");
|
|
break;
|
|
|
|
case E_STRICT:
|
|
case E_DEPRECATED:
|
|
case E_USER_DEPRECATED:
|
|
// XXX: config variable to log this stuff, too
|
|
break;
|
|
|
|
default:
|
|
common_log(LOG_ERR, "[$errno] $errstr ($errfile:$errline) [UNKNOWN LEVEL, die()'ing]");
|
|
die();
|
|
break;
|
|
}
|
|
|
|
// FIXME: show error page if we're on the Web
|
|
/* Don't execute PHP internal error handler */
|
|
return true;
|
|
}
|
|
|
|
function common_session_token()
|
|
{
|
|
common_ensure_session();
|
|
if (!array_key_exists('token', $_SESSION)) {
|
|
$_SESSION['token'] = common_good_rand(64);
|
|
}
|
|
return $_SESSION['token'];
|
|
}
|
|
|
|
function common_cache_key($extra)
|
|
{
|
|
$base_key = common_config('memcached', 'base');
|
|
|
|
if (empty($base_key)) {
|
|
$base_key = common_keyize(common_config('site', 'name'));
|
|
}
|
|
|
|
return 'laconica:' . $base_key . ':' . $extra;
|
|
}
|
|
|
|
function common_keyize($str)
|
|
{
|
|
$str = strtolower($str);
|
|
$str = preg_replace('/\s/', '_', $str);
|
|
return $str;
|
|
}
|
|
|
|
function common_memcache()
|
|
{
|
|
static $cache = null;
|
|
if (!common_config('memcached', 'enabled')) {
|
|
return null;
|
|
} else {
|
|
if (!$cache) {
|
|
$cache = new Memcache();
|
|
$servers = common_config('memcached', 'server');
|
|
if (is_array($servers)) {
|
|
foreach($servers as $server) {
|
|
$cache->addServer($server);
|
|
}
|
|
} else {
|
|
$cache->addServer($servers);
|
|
}
|
|
}
|
|
return $cache;
|
|
}
|
|
}
|
|
|
|
function common_compatible_license($from, $to)
|
|
{
|
|
// XXX: better compatibility check needed here!
|
|
return ($from == $to);
|
|
}
|
|
|
|
/**
|
|
* returns a quoted table name, if required according to config
|
|
*/
|
|
function common_database_tablename($tablename)
|
|
{
|
|
|
|
if(common_config('db','quote_identifiers')) {
|
|
$tablename = '"'. $tablename .'"';
|
|
}
|
|
//table prefixes could be added here later
|
|
return $tablename;
|
|
}
|
|
|
|
function common_shorten_url($long_url)
|
|
{
|
|
$user = common_current_user();
|
|
if (empty($user)) {
|
|
// common current user does not find a user when called from the XMPP daemon
|
|
// therefore we'll set one here fix, so that XMPP given URLs may be shortened
|
|
$svc = 'ur1.ca';
|
|
} else {
|
|
$svc = $user->urlshorteningservice;
|
|
}
|
|
|
|
$curlh = curl_init();
|
|
curl_setopt($curlh, CURLOPT_CONNECTTIMEOUT, 20); // # seconds to wait
|
|
curl_setopt($curlh, CURLOPT_USERAGENT, 'Laconica');
|
|
curl_setopt($curlh, CURLOPT_RETURNTRANSFER, true);
|
|
|
|
switch($svc) {
|
|
case 'ur1.ca':
|
|
require_once INSTALLDIR.'/lib/Shorturl_api.php';
|
|
$short_url_service = new LilUrl;
|
|
$short_url = $short_url_service->shorten($long_url);
|
|
break;
|
|
|
|
case '2tu.us':
|
|
$short_url_service = new TightUrl;
|
|
require_once INSTALLDIR.'/lib/Shorturl_api.php';
|
|
$short_url = $short_url_service->shorten($long_url);
|
|
break;
|
|
|
|
case 'ptiturl.com':
|
|
require_once INSTALLDIR.'/lib/Shorturl_api.php';
|
|
$short_url_service = new PtitUrl;
|
|
$short_url = $short_url_service->shorten($long_url);
|
|
break;
|
|
|
|
case 'bit.ly':
|
|
curl_setopt($curlh, CURLOPT_URL, 'http://bit.ly/api?method=shorten&long_url='.urlencode($long_url));
|
|
$short_url = current(json_decode(curl_exec($curlh))->results)->hashUrl;
|
|
break;
|
|
|
|
case 'is.gd':
|
|
curl_setopt($curlh, CURLOPT_URL, 'http://is.gd/api.php?longurl='.urlencode($long_url));
|
|
$short_url = curl_exec($curlh);
|
|
break;
|
|
case 'snipr.com':
|
|
curl_setopt($curlh, CURLOPT_URL, 'http://snipr.com/site/snip?r=simple&link='.urlencode($long_url));
|
|
$short_url = curl_exec($curlh);
|
|
break;
|
|
case 'metamark.net':
|
|
curl_setopt($curlh, CURLOPT_URL, 'http://metamark.net/api/rest/simple?long_url='.urlencode($long_url));
|
|
$short_url = curl_exec($curlh);
|
|
break;
|
|
case 'tinyurl.com':
|
|
curl_setopt($curlh, CURLOPT_URL, 'http://tinyurl.com/api-create.php?url='.urlencode($long_url));
|
|
$short_url = curl_exec($curlh);
|
|
break;
|
|
default:
|
|
$short_url = false;
|
|
}
|
|
|
|
curl_close($curlh);
|
|
|
|
return $short_url;
|
|
}
|
|
|
|
function common_client_ip()
|
|
{
|
|
if (!isset($_SERVER) || !array_key_exists('REQUEST_METHOD', $_SERVER)) {
|
|
return null;
|
|
}
|
|
|
|
if (array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER)) {
|
|
if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
|
|
$proxy = $_SERVER['HTTP_CLIENT_IP'];
|
|
} else {
|
|
$proxy = $_SERVER['REMOTE_ADDR'];
|
|
}
|
|
$ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
|
|
} else {
|
|
$proxy = null;
|
|
if (array_key_exists('HTTP_CLIENT_IP', $_SERVER)) {
|
|
$ip = $_SERVER['HTTP_CLIENT_IP'];
|
|
} else {
|
|
$ip = $_SERVER['REMOTE_ADDR'];
|
|
}
|
|
}
|
|
|
|
return array($proxy, $ip);
|
|
}
|