604 lines
20 KiB
PHP
604 lines
20 KiB
PHP
<?php
|
|
/**
|
|
* StatusNet, the distributed open-source microblogging tool
|
|
*
|
|
* Low-level generator for HTML
|
|
*
|
|
* PHP version 5
|
|
*
|
|
* LICENCE: 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/>.
|
|
*
|
|
* @category Output
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @author Sarven Capadisli <csarven@status.net>
|
|
* @copyright 2008 StatusNet, Inc.
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*/
|
|
|
|
if (!defined('STATUSNET') && !defined('LACONICA')) {
|
|
exit(1);
|
|
}
|
|
|
|
require_once INSTALLDIR.'/lib/xmloutputter.php';
|
|
|
|
// Can include XHTML options but these are too fragile in practice.
|
|
define('PAGE_TYPE_PREFS', 'text/html');
|
|
|
|
/**
|
|
* Low-level generator for HTML
|
|
*
|
|
* Abstracts some of the code necessary for HTML generation. Especially
|
|
* has methods for generating HTML form elements. Note that these have
|
|
* been created kind of haphazardly, not with an eye to making a general
|
|
* HTML-creation class.
|
|
*
|
|
* @category Output
|
|
* @package StatusNet
|
|
* @author Evan Prodromou <evan@status.net>
|
|
* @author Sarven Capadisli <csarven@status.net>
|
|
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
|
|
* @link http://status.net/
|
|
*
|
|
* @see Action
|
|
* @see XMLOutputter
|
|
*/
|
|
|
|
class HTMLOutputter extends XMLOutputter
|
|
{
|
|
/**
|
|
* Constructor
|
|
*
|
|
* Just wraps the XMLOutputter constructor.
|
|
*
|
|
* @param string $output URI to output to, default = stdout
|
|
* @param boolean $indent Whether to indent output, default true
|
|
*/
|
|
|
|
function __construct($output='php://output', $indent=null)
|
|
{
|
|
parent::__construct($output, $indent);
|
|
}
|
|
|
|
/**
|
|
* Start an HTML document
|
|
*
|
|
* If $type isn't specified, will attempt to do content negotiation.
|
|
*
|
|
* Attempts to do content negotiation for language, also.
|
|
*
|
|
* @param string $type MIME type to use; default is to do negotation.
|
|
*
|
|
* @todo extract content negotiation code to an HTTP module or class.
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function startHTML($type=null)
|
|
{
|
|
if (!$type) {
|
|
$httpaccept = isset($_SERVER['HTTP_ACCEPT']) ?
|
|
$_SERVER['HTTP_ACCEPT'] : null;
|
|
|
|
// XXX: allow content negotiation for RDF, RSS, or XRDS
|
|
|
|
$cp = common_accept_to_prefs($httpaccept);
|
|
$sp = common_accept_to_prefs(PAGE_TYPE_PREFS);
|
|
|
|
$type = common_negotiate_type($cp, $sp);
|
|
|
|
if (!$type) {
|
|
// TRANS: Client exception 406
|
|
throw new ClientException(_('This page is not available in a '.
|
|
'media type you accept'), 406);
|
|
}
|
|
}
|
|
|
|
header('Content-Type: '.$type);
|
|
|
|
// Output anti-framing headers to prevent clickjacking (respected by newer
|
|
// browsers).
|
|
if (common_config('javascript', 'bustframes')) {
|
|
header('X-XSS-Protection: 1; mode=block'); // detect XSS Reflection attacks
|
|
header('X-Frame-Options: SAMEORIGIN'); // no rendering if origin mismatch
|
|
}
|
|
|
|
$this->extraHeaders();
|
|
if (preg_match("/.*\/.*xml/", $type)) {
|
|
// Required for XML documents
|
|
$this->startXML();
|
|
}
|
|
$this->xw->writeDTD('html',
|
|
'-//W3C//DTD XHTML 1.0 Strict//EN',
|
|
'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd');
|
|
|
|
$language = $this->getLanguage();
|
|
|
|
$attrs = array(
|
|
'xmlns' => 'http://www.w3.org/1999/xhtml',
|
|
'xml:lang' => $language,
|
|
'lang' => $language
|
|
);
|
|
|
|
if (Event::handle('StartHtmlElement', array($this, &$attrs))) {
|
|
$this->elementStart('html', $attrs);
|
|
Event::handle('EndHtmlElement', array($this, &$attrs));
|
|
}
|
|
}
|
|
|
|
function getLanguage()
|
|
{
|
|
// FIXME: correct language for interface
|
|
return common_language();
|
|
}
|
|
|
|
/**
|
|
* Ends an HTML document
|
|
*
|
|
* @return void
|
|
*/
|
|
function endHTML()
|
|
{
|
|
$this->elementEnd('html');
|
|
$this->endXML();
|
|
}
|
|
|
|
/**
|
|
* To specify additional HTTP headers for the action
|
|
*
|
|
* @return void
|
|
*/
|
|
function extraHeaders()
|
|
{
|
|
// Needs to be overloaded
|
|
}
|
|
|
|
/**
|
|
* Output an HTML text input element
|
|
*
|
|
* Despite the name, it is specifically for outputting a
|
|
* text input element, not other <input> elements. It outputs
|
|
* a cluster of elements, including a <label> and an associated
|
|
* instructions span.
|
|
*
|
|
* If $attrs['type'] does not exist it will be set to 'text'.
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param string $value value of the element, default null
|
|
* @param string $instructions instructions for valid input
|
|
* @param string $name name of the element; if null, the id will
|
|
* be used
|
|
* @param bool $required HTML5 required attribute (exclude when false)
|
|
* @param array $attrs Initial attributes manually set in an array (overwritten by previous options)
|
|
*
|
|
* @todo add a $maxLength parameter
|
|
* @todo add a $size parameter
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function input($id, $label, $value=null, $instructions=null, $name=null, $required=false, array $attrs=array())
|
|
{
|
|
$this->element('label', array('for' => $id), $label);
|
|
if (!array_key_exists('type', $attrs)) {
|
|
$attrs['type'] = 'text';
|
|
}
|
|
$attrs['id'] = $id;
|
|
$attrs['name'] = is_null($name) ? $id : $name;
|
|
if (array_key_exists('placeholder', $attrs) && (is_null($attrs['placeholder']) || $attrs['placeholder'] === '')) {
|
|
// If placeholder is type-aware equal to '' or null, unset it as we apparently don't want a placeholder value
|
|
unset($attrs['placeholder']);
|
|
} else {
|
|
// If the placeholder is set use it, or use the label as fallback.
|
|
$attrs['placeholder'] = isset($attrs['placeholder']) ? $attrs['placeholder'] : $label;
|
|
}
|
|
|
|
if (!is_null($value)) { // value can be 0 or ''
|
|
$attrs['value'] = $value;
|
|
}
|
|
if (!empty($required)) {
|
|
$attrs['required'] = 'required';
|
|
}
|
|
$this->element('input', $attrs);
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML checkbox and associated elements
|
|
*
|
|
* Note that the value is default 'true' (the string), which can
|
|
* be used by Action::boolean()
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param string $checked if the box is checked, default false
|
|
* @param string $instructions instructions for valid input
|
|
* @param string $value value of the checkbox, default 'true'
|
|
* @param string $disabled show the checkbox disabled, default false
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
*/
|
|
|
|
function checkbox($id, $label, $checked=false, $instructions=null,
|
|
$value='true', $disabled=false)
|
|
{
|
|
$attrs = array('name' => $id,
|
|
'type' => 'checkbox',
|
|
'class' => 'checkbox',
|
|
'id' => $id);
|
|
if ($value) {
|
|
$attrs['value'] = $value;
|
|
}
|
|
if ($checked) {
|
|
$attrs['checked'] = 'checked';
|
|
}
|
|
if ($disabled) {
|
|
$attrs['disabled'] = 'true';
|
|
}
|
|
$this->element('input', $attrs);
|
|
$this->text(' ');
|
|
$this->element('label', array('class' => 'checkbox',
|
|
'for' => $id),
|
|
$label);
|
|
$this->text(' ');
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML combobox/select and associated elements
|
|
*
|
|
* $content is an array of key-value pairs for the dropdown, where
|
|
* the key is the option value attribute and the value is the option
|
|
* text. (Careful on the overuse of 'value' here.)
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param array $content options array, value => text
|
|
* @param string $instructions instructions for valid input
|
|
* @param string $blank_select whether to have a blank entry, default false
|
|
* @param string $selected selected value, default null
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
*/
|
|
|
|
function dropdown($id, $label, $content, $instructions=null,
|
|
$blank_select=false, $selected=null)
|
|
{
|
|
$this->element('label', array('for' => $id), $label);
|
|
$this->elementStart('select', array('id' => $id, 'name' => $id));
|
|
if ($blank_select) {
|
|
$this->element('option', array('value' => ''));
|
|
}
|
|
foreach ($content as $value => $option) {
|
|
if ($value == $selected) {
|
|
$this->element('option', array('value' => $value,
|
|
'selected' => 'selected'),
|
|
$option);
|
|
} else {
|
|
$this->element('option', array('value' => $value), $option);
|
|
}
|
|
}
|
|
$this->elementEnd('select');
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML hidden element
|
|
*
|
|
* $id is re-used as name
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $value hidden element value, default null
|
|
* @param string $name name, if different than ID
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function hidden($id, $value, $name=null)
|
|
{
|
|
$this->element('input', array('name' => $name ?: $id,
|
|
'type' => 'hidden',
|
|
'id' => $id,
|
|
'value' => $value));
|
|
}
|
|
|
|
/**
|
|
* output an HTML password input and associated elements
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param string $instructions instructions for valid input
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
*/
|
|
|
|
function password($id, $label, $instructions=null)
|
|
{
|
|
$this->element('label', array('for' => $id), $label);
|
|
$attrs = array('name' => $id,
|
|
'type' => 'password',
|
|
'class' => 'password',
|
|
'id' => $id);
|
|
$this->element('input', $attrs);
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML submit input and associated elements
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of the button
|
|
* @param string $cls class of the button, default 'submit'
|
|
* @param string $name name, if different than ID
|
|
* @param string $title title text for the submit button
|
|
*
|
|
* @return void
|
|
*
|
|
* @todo add a $name parameter
|
|
*/
|
|
|
|
function submit($id, $label, $cls='submit', $name=null, $title=null)
|
|
{
|
|
$this->element('input', array('type' => 'submit',
|
|
'id' => $id,
|
|
'name' => $name ?: $id,
|
|
'class' => $cls,
|
|
'value' => $label,
|
|
'title' => $title));
|
|
}
|
|
|
|
/**
|
|
* output a script (almost always javascript) tag
|
|
*
|
|
* @param string $src relative or absolute script path
|
|
* @param string $type 'type' attribute value of the tag
|
|
*
|
|
* @return void
|
|
*/
|
|
function script($src, $type='text/javascript')
|
|
{
|
|
if (Event::handle('StartScriptElement', array($this,&$src,&$type))) {
|
|
|
|
$url = parse_url($src);
|
|
|
|
if (empty($url['scheme']) && empty($url['host']) && empty($url['query']) && empty($url['fragment'])) {
|
|
|
|
// XXX: this seems like a big assumption
|
|
|
|
if (strpos($src, 'plugins/') === 0 || strpos($src, 'local/') === 0) {
|
|
|
|
$src = common_path($src, GNUsocial::isHTTPS()) . '?version=' . GNUSOCIAL_VERSION;
|
|
|
|
} else {
|
|
|
|
if (GNUsocial::isHTTPS()) {
|
|
|
|
$sslserver = common_config('javascript', 'sslserver');
|
|
|
|
if (empty($sslserver)) {
|
|
if (is_string(common_config('site', 'sslserver')) &&
|
|
mb_strlen(common_config('site', 'sslserver')) > 0) {
|
|
$server = common_config('site', 'sslserver');
|
|
} else if (common_config('site', 'server')) {
|
|
$server = common_config('site', 'server');
|
|
}
|
|
$path = common_config('site', 'path') . '/js/';
|
|
} else {
|
|
$server = $sslserver;
|
|
$path = common_config('javascript', 'sslpath');
|
|
if (empty($path)) {
|
|
$path = common_config('javascript', 'path');
|
|
}
|
|
}
|
|
|
|
$protocol = 'https';
|
|
|
|
} else {
|
|
|
|
$path = common_config('javascript', 'path');
|
|
|
|
if (empty($path)) {
|
|
$path = common_config('site', 'path') . '/js/';
|
|
}
|
|
|
|
$server = common_config('javascript', 'server');
|
|
|
|
if (empty($server)) {
|
|
$server = common_config('site', 'server');
|
|
}
|
|
|
|
$protocol = 'http';
|
|
}
|
|
|
|
if ($path[strlen($path)-1] != '/') {
|
|
$path .= '/';
|
|
}
|
|
|
|
if ($path[0] != '/') {
|
|
$path = '/'.$path;
|
|
}
|
|
|
|
$src = $protocol.'://'.$server.$path.$src . '?version=' . GNUSOCIAL_VERSION;
|
|
}
|
|
}
|
|
|
|
$this->element('script', array('type' => $type,
|
|
'src' => $src),
|
|
' ');
|
|
|
|
Event::handle('EndScriptElement', array($this,$src,$type));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output a script (almost always javascript) tag with inline
|
|
* code.
|
|
*
|
|
* @param string $code code to put in the script tag
|
|
* @param string $type 'type' attribute value of the tag
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function inlineScript($code, $type='text/javascript')
|
|
{
|
|
if(Event::handle('StartInlineScriptElement', array($this,&$code,&$type))) {
|
|
$this->elementStart('script', array('type' => $type));
|
|
if($type == 'text/javascript') {
|
|
$this->raw('/*<![CDATA[*/ '); // XHTML compat
|
|
}
|
|
$this->raw($code);
|
|
if($type == 'text/javascript') {
|
|
$this->raw(' /*]]>*/'); // XHTML compat
|
|
}
|
|
$this->elementEnd('script');
|
|
Event::handle('EndInlineScriptElement', array($this,$code,$type));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output a css link
|
|
*
|
|
* @param string $src relative path within the theme directory, or an absolute path
|
|
* @param string $theme 'theme' that contains the stylesheet
|
|
* @param string media 'media' attribute of the tag
|
|
*
|
|
* @return void
|
|
*/
|
|
function cssLink($src,$theme=null,$media=null)
|
|
{
|
|
if(Event::handle('StartCssLinkElement', array($this,&$src,&$theme,&$media))) {
|
|
$url = parse_url($src);
|
|
if( empty($url['scheme']) && empty($url['host']) && empty($url['query']) && empty($url['fragment']))
|
|
{
|
|
if(file_exists(Theme::file($src,$theme))){
|
|
$src = Theme::path($src, $theme);
|
|
}else{
|
|
$src = common_path($src, GNUsocial::isHTTPS());
|
|
}
|
|
$src.= '?version=' . GNUSOCIAL_VERSION;
|
|
}
|
|
$this->element('link', array('rel' => 'stylesheet',
|
|
'type' => 'text/css',
|
|
'href' => $src,
|
|
'media' => $media));
|
|
Event::handle('EndCssLinkElement', array($this,$src,$theme,$media));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output a style (almost always css) tag with inline
|
|
* code.
|
|
*
|
|
* @param string $code code to put in the style tag
|
|
* @param string $type 'type' attribute value of the tag
|
|
* @param string $media 'media' attribute value of the tag
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function style($code, $type = 'text/css', $media = null)
|
|
{
|
|
if(Event::handle('StartStyleElement', array($this,&$code,&$type,&$media))) {
|
|
$this->elementStart('style', array('type' => $type, 'media' => $media));
|
|
$this->raw($code);
|
|
$this->elementEnd('style');
|
|
Event::handle('EndStyleElement', array($this,$code,$type,$media));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* output an HTML textarea and associated elements
|
|
*
|
|
* @param string $id element ID, must be unique on page
|
|
* @param string $label text of label for the element
|
|
* @param string $content content of the textarea, default none
|
|
* @param string $instructions instructions for valid input
|
|
* @param string $name name of textarea; if null, $id will be used
|
|
* @param int $cols number of columns
|
|
* @param int $rows number of rows
|
|
* @param bool $required HTML5 required attribute (exclude when false)
|
|
*
|
|
* @return void
|
|
*/
|
|
|
|
function textarea(
|
|
$id,
|
|
$label,
|
|
$content = null,
|
|
$instructions = null,
|
|
$name = null,
|
|
$cols = null,
|
|
$rows = null,
|
|
$required = false
|
|
) {
|
|
$this->element('label', array('for' => $id), $label);
|
|
$attrs = array(
|
|
'rows' => 3,
|
|
'cols' => 40,
|
|
'id' => $id
|
|
);
|
|
$attrs['name'] = is_null($name) ? $id : $name;
|
|
|
|
if ($cols != null) {
|
|
$attrs['cols'] = $cols;
|
|
|
|
}
|
|
if ($rows != null) {
|
|
$attrs['rows'] = $rows;
|
|
}
|
|
$this->element(
|
|
'textarea',
|
|
$attrs,
|
|
is_null($content) ? '' : $content
|
|
);
|
|
if ($instructions) {
|
|
$this->element('p', 'form_guide', $instructions);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Internal script to autofocus the given element on page onload.
|
|
*
|
|
* @param string $id element ID, must refer to an existing element
|
|
*
|
|
* @return void
|
|
*
|
|
*/
|
|
function autofocus($id)
|
|
{
|
|
$this->inlineScript(
|
|
' $(document).ready(function() {'.
|
|
' var el = $("#' . $id . '");'.
|
|
' if (el.length) { el.focus(); }'.
|
|
' });');
|
|
}
|
|
}
|