forked from GNUsocial/gnu-social
491 lines
13 KiB
PHP
491 lines
13 KiB
PHP
<?php
|
|
/*
|
|
* Laconica - a distributed open-source microblogging tool
|
|
* Copyright (C) 2008, Controlez-Vous, Inc.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
/* XXX: break up into separate modules (HTTP, HTML, user, files) */
|
|
|
|
# Show a server error
|
|
|
|
function common_server_error($msg) {
|
|
header('Status: 500 Server Error');
|
|
header('Content-type: text/plain');
|
|
|
|
print $msg;
|
|
exit();
|
|
}
|
|
|
|
# Show a user error
|
|
function common_user_error($msg, $code=200) {
|
|
common_show_header('Error');
|
|
common_element('div', array('class' => 'error'), $msg);
|
|
common_show_footer();
|
|
}
|
|
|
|
$xw = null;
|
|
|
|
# Start an HTML element
|
|
function common_element_start($tag, $attrs=NULL) {
|
|
global $xw;
|
|
$xw->startElement($tag);
|
|
if (is_array($attrs)) {
|
|
foreach ($attrs as $name => $value) {
|
|
$xw->writeAttribute($name, $value);
|
|
}
|
|
} else if (is_string($attrs)) {
|
|
$xw->writeAttribute('class', $attrs);
|
|
}
|
|
}
|
|
|
|
function common_element_end($tag) {
|
|
global $xw;
|
|
$xw->endElement();
|
|
}
|
|
|
|
function common_element($tag, $attrs=NULL, $content=NULL) {
|
|
common_element_start($tag, $attrs);
|
|
if ($content) {
|
|
global $xw;
|
|
$xw->text($content);
|
|
}
|
|
common_element_end($tag);
|
|
}
|
|
|
|
function common_start_xml($doc=NULL, $public=NULL, $system=NULL) {
|
|
global $xw;
|
|
$xw = new XMLWriter();
|
|
$xw->openURI('php://output');
|
|
$xw->setIndent(true);
|
|
$xw->startDocument('1.0', 'UTF-8');
|
|
if ($doc) {
|
|
$xw->writeDTD($doc, $public, $system);
|
|
}
|
|
}
|
|
|
|
function common_end_xml() {
|
|
global $xw;
|
|
$xw->endDocument();
|
|
$xw->flush();
|
|
}
|
|
|
|
function common_show_header($pagetitle, $callable=NULL, $data=NULL) {
|
|
global $config, $xw;
|
|
|
|
header('Content-Type: application/xhtml+xml');
|
|
|
|
common_start_xml('html',
|
|
'-//W3C//DTD XHTML 1.0 Strict//EN',
|
|
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
|
|
|
|
# FIXME: correct language for interface
|
|
|
|
common_element_start('html', array('xmlns' => 'http://www.w3.org/1999/xhtml',
|
|
'xml:lang' => 'en',
|
|
'lang' => 'en'));
|
|
|
|
common_element_start('head');
|
|
common_element('title', NULL,
|
|
$pagetitle . " - " . $config['site']['name']);
|
|
common_element('link', array('rel' => 'stylesheet',
|
|
'type' => 'text/css',
|
|
'href' => $config['site']['path'] . 'theme/default/style/html.css',
|
|
'media' => 'screen, projection, tv'));
|
|
common_element('link', array('rel' => 'stylesheet',
|
|
'type' => 'text/css',
|
|
'href' => $config['site']['path'] . 'theme/default/style/layout.css',
|
|
'media' => 'screen, projection, tv'));
|
|
common_element('link', array('rel' => 'stylesheet',
|
|
'type' => 'text/css',
|
|
'href' => $config['site']['path'] . 'theme/default/style/print.css',
|
|
'media' => 'print'));
|
|
if ($callable) {
|
|
if ($data) {
|
|
call_user_func($callable, $data);
|
|
} else {
|
|
call_user_func($callable);
|
|
}
|
|
}
|
|
common_element_end('head');
|
|
common_element_start('body');
|
|
common_element_start('div', array('id' => 'wrapper'));
|
|
common_element_start('div', array('id' => 'content'));
|
|
common_element_start('div', array('id' => 'header'));
|
|
common_element('h1', 'title', $pagetitle);
|
|
common_element('h2', 'subtitle', $config['site']['name']);
|
|
common_element_end('div');
|
|
common_head_menu();
|
|
common_element_start('div', array('id' => 'page'));
|
|
}
|
|
|
|
function common_show_footer() {
|
|
global $xw, $config;
|
|
common_element_start('div', 'footer');
|
|
common_foot_menu();
|
|
common_license_block();
|
|
common_element_end('div');
|
|
common_element_end('div');
|
|
common_element_end('div');
|
|
common_element_end('div');
|
|
common_element_end('body');
|
|
common_element_end('html');
|
|
common_end_xml();
|
|
}
|
|
|
|
function common_text($txt) {
|
|
global $xw;
|
|
$xw->text($txt);
|
|
}
|
|
|
|
function common_license_block() {
|
|
global $config, $xw;
|
|
common_element_start('p', 'license');
|
|
common_element_start('a', array('class' => 'license floatLeft',
|
|
'rel' => 'license',
|
|
href => $config['license']['url']));
|
|
common_element('img', array('class' => 'license',
|
|
'src' => $config['license']['image'],
|
|
'alt' => $config['license']['title']));
|
|
common_element_end('a');
|
|
common_text(_t('Unless otherwise specified, contents of this site are copyright by the contributors and available under the '));
|
|
common_element('a', array('class' => 'license',
|
|
'rel' => 'license',
|
|
href => $config['license']['url']),
|
|
$config['license']['title']);
|
|
common_text(_t('. Contributors should be attributed by full name or nickname.'));
|
|
common_element_end('p');
|
|
}
|
|
|
|
function common_head_menu() {
|
|
$user = common_current_user();
|
|
common_element_start('ul', array('id' => 'menu', 'class' => ($user) ? 'five' : 'three'));
|
|
common_menu_item(common_local_url('public'), _t('Public'));
|
|
if ($user) {
|
|
common_menu_item(common_local_url('all', array('nickname' =>
|
|
$user->nickname)),
|
|
_t('Home'));
|
|
common_menu_item(common_local_url('showstream', array('nickname' =>
|
|
$user->nickname)),
|
|
_t('Profile'), $user->fullname || $user->nickname);
|
|
common_menu_item(common_local_url('profilesettings'),
|
|
_t('Settings'));
|
|
common_menu_item(common_local_url('logout'),
|
|
_t('Logout'));
|
|
} else {
|
|
common_menu_item(common_local_url('login'),
|
|
_t('Login'));
|
|
common_menu_item(common_local_url('register'),
|
|
_t('Register'));
|
|
}
|
|
common_element_end('ul');
|
|
}
|
|
|
|
function common_foot_menu() {
|
|
common_element_start('ul', 'footmenu menuish');
|
|
common_menu_item(common_local_url('doc', array('title' => 'about')),
|
|
_t('About'));
|
|
common_menu_item(common_local_url('doc', array('title' => 'help')),
|
|
_t('Help'));
|
|
common_menu_item(common_local_url('doc', array('title' => 'privacy')),
|
|
_t('Privacy'));
|
|
common_menu_item(common_local_url('doc', array('title' => 'source')),
|
|
_t('Source'));
|
|
common_element_end('ul');
|
|
}
|
|
|
|
function common_menu_item($url, $text, $title=NULL) {
|
|
$attrs['href'] = $url;
|
|
if ($title) {
|
|
$attrs['title'] = $title;
|
|
}
|
|
common_element_start('li', 'menuitem');
|
|
common_element('a', $attrs, $text);
|
|
common_element_end('li');
|
|
}
|
|
|
|
function common_input($id, $label, $value=NULL) {
|
|
common_element_start('p');
|
|
common_element('label', array('for' => $id), $label);
|
|
$attrs = array('name' => $id,
|
|
'type' => 'text',
|
|
'id' => $id);
|
|
if ($value) {
|
|
$attrs['value'] = htmlspecialchars($value);
|
|
}
|
|
common_element('input', $attrs);
|
|
common_element_end('p');
|
|
}
|
|
|
|
function common_password($id, $label) {
|
|
common_element_start('p');
|
|
common_element('label', array('for' => $id), $label);
|
|
$attrs = array('name' => $id,
|
|
'type' => 'password',
|
|
'id' => $id);
|
|
common_element('input', $attrs);
|
|
common_element_end('p');
|
|
}
|
|
|
|
function common_submit($id, $label) {
|
|
global $xw;
|
|
common_element_start('p');
|
|
common_element_start('label', array('for' => $id));
|
|
$xw->writeRaw(' ');
|
|
common_element_end('label');
|
|
common_element('input', array('type' => 'submit',
|
|
'id' => $id,
|
|
'name' => $id,
|
|
'value' => $label,
|
|
'class' => 'button'));
|
|
common_element_end('p');
|
|
}
|
|
|
|
function common_textarea($id, $label, $content=NULL) {
|
|
common_element_start('p');
|
|
common_element('label', array('for' => $id), $label);
|
|
common_element('textarea', array('rows' => 3,
|
|
'cols' => 40,
|
|
'name' => $id,
|
|
'id' => $id,
|
|
'class' => 'width50'),
|
|
($content) ? $content : ' ');
|
|
common_element_end('p');
|
|
}
|
|
|
|
# salted, hashed passwords are stored in the DB
|
|
|
|
function common_munge_password($id, $password) {
|
|
return md5($id . $password);
|
|
}
|
|
|
|
# check if a username exists and has matching password
|
|
function common_check_user($nickname, $password) {
|
|
$user = User::staticGet('nickname', $nickname);
|
|
if (is_null($user)) {
|
|
return false;
|
|
} else {
|
|
return (0 == strcmp(common_munge_password($password, $user->id),
|
|
$user->password));
|
|
}
|
|
}
|
|
|
|
# is the current user logged in?
|
|
function common_logged_in() {
|
|
return (!is_null(common_current_user()));
|
|
}
|
|
|
|
function common_have_session() {
|
|
return (0 != strcmp(session_id(), ''));
|
|
}
|
|
|
|
function common_ensure_session() {
|
|
if (!common_have_session()) {
|
|
@session_start();
|
|
}
|
|
}
|
|
|
|
function common_set_user($nickname) {
|
|
if (is_null($nickname) && common_have_session()) {
|
|
unset($_SESSION['userid']);
|
|
return true;
|
|
} else {
|
|
$user = User::staticGet('nickname', $nickname);
|
|
if ($user) {
|
|
common_ensure_session();
|
|
$_SESSION['userid'] = $user->id;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
# who is the current user?
|
|
function common_current_user() {
|
|
static $user = NULL; # FIXME: global memcached
|
|
if (is_null($user)) {
|
|
common_ensure_session();
|
|
$id = $_SESSION['userid'];
|
|
if ($id) {
|
|
$user = User::staticGet($id);
|
|
}
|
|
}
|
|
return $user;
|
|
}
|
|
|
|
# get canonical version of nickname for comparison
|
|
function common_canonical_nickname($nickname) {
|
|
# XXX: UTF-8 canonicalization (like combining chars)
|
|
return $nickname;
|
|
}
|
|
|
|
# get canonical version of email for comparison
|
|
function common_canonical_email($email) {
|
|
# XXX: canonicalize UTF-8
|
|
# XXX: lcase the domain part
|
|
return $email;
|
|
}
|
|
|
|
function common_render_content($text) {
|
|
# XXX: @ messages
|
|
# XXX: # tags
|
|
# XXX: machine tags
|
|
return htmlspecialchars($text);
|
|
}
|
|
|
|
// where should the avatar go for this user?
|
|
|
|
function common_avatar_filename($user, $extension, $size=NULL, $extra=NULL) {
|
|
global $config;
|
|
|
|
if ($size) {
|
|
return $user->id . '-' . $size . (($extra) ? ('-' . $extra) : '') . $extension;
|
|
} else {
|
|
return $user->id . '-original' . (($extra) ? ('-' . $extra) : '') . $extension;
|
|
}
|
|
}
|
|
|
|
function common_avatar_path($filename) {
|
|
global $config;
|
|
return $config['avatar']['directory'] . '/' . $filename;
|
|
}
|
|
|
|
function common_avatar_url($filename) {
|
|
global $config;
|
|
return "http://".$config['site']['server'].$config['avatar']['path'].'/'.$filename;
|
|
}
|
|
|
|
function common_default_avatar($size) {
|
|
static $sizenames = array(AVATAR_PROFILE_SIZE => 'profile',
|
|
AVATAR_STREAM_SIZE => 'stream',
|
|
AVATAR_MINI_SIZE => 'mini');
|
|
global $config;
|
|
return "http://".$config['site']['server'].$config['site']['path'].'/'.$config['avatar']['default'][$sizenames[$size]];
|
|
}
|
|
|
|
function common_local_url($action, $args=NULL) {
|
|
global $config;
|
|
/* XXX: pretty URLs */
|
|
$extra = '';
|
|
if ($args) {
|
|
foreach ($args as $key => $value) {
|
|
$extra .= "&${key}=${value}";
|
|
}
|
|
}
|
|
$pathpart = ($config['site']['path']) ? $config['site']['path']."/" : '';
|
|
return "http://".$config['site']['server'].'/'.$pathpart."index.php?action=${action}${extra}";
|
|
}
|
|
|
|
function common_date_string($dt) {
|
|
// XXX: do some sexy date formatting
|
|
// return date(DATE_RFC822, $dt);
|
|
return $dt;
|
|
}
|
|
|
|
function common_date_w3dtf($dt) {
|
|
$t = strtotime($dt);
|
|
return date(DATE_W3C, $t);
|
|
}
|
|
|
|
function common_redirect($url, $code=307) {
|
|
static $status = array(301 => "Moved Permanently",
|
|
302 => "Found",
|
|
303 => "See Other",
|
|
307 => "Temporary Redirect");
|
|
header("Status: ${code} $status[$code]");
|
|
header("Location: $url");
|
|
common_element('a', array('href' => $url), $url);
|
|
}
|
|
|
|
function common_broadcast_notice($notice) {
|
|
// XXX: broadcast notices to remote subscribers
|
|
// XXX: broadcast notices to SMS
|
|
// XXX: broadcast notices to Jabber
|
|
// XXX: broadcast notices to other IM
|
|
// XXX: use a queue system like http://code.google.com/p/microapps/wiki/NQDQ
|
|
return true;
|
|
}
|
|
|
|
function common_profile_url($nickname) {
|
|
return common_local_url('showstream', array('nickname' => $nickname));
|
|
}
|
|
|
|
function common_notice_form() {
|
|
common_element_start('form', array('id' => 'newnotice', 'method' => 'POST',
|
|
'action' => common_local_url('newnotice')));
|
|
common_textarea('noticecontent', _t('What\'s up?'));
|
|
common_submit('submit', _t('Send'));
|
|
common_element_end('form');
|
|
}
|
|
|
|
function common_mint_tag($extra) {
|
|
global $config;
|
|
return
|
|
'tag:'.$config['tag']['authority'].','.
|
|
$config['tag']['date'].':'.$config['tag']['prefix'].$extra;
|
|
}
|
|
|
|
# Should make up a reasonable root URL
|
|
|
|
function common_root_url() {
|
|
global $config;
|
|
$pathpart = ($config['site']['path']) ? $config['site']['path']."/" : '';
|
|
return "http://".$config['site']['server'].'/'.$pathpart;
|
|
}
|
|
|
|
# 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 $enc;
|
|
}
|
|
|
|
function common_timestamp() {
|
|
return date('YmdHis');
|
|
}
|
|
|
|
// XXX: set up gettext
|
|
|
|
function _t($str) {
|
|
return $str;
|
|
}
|