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additional_plugins/serendipity_event_mimetex/serendipity_event_mimetex.php
Garvin Hicking 5731762a34 Added parameters to html_entity_decode() and htmlentities(). 
I did not use the wrapper method for those few occurences since it was too much work.
I'm sorry :-D
2014-11-29 12:18:56 +01:00

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<?php #
if (IN_serendipity !== true) {
die ("Don't hack!");
}
// Probe for a language include with constants. Still include defines later on, if some constants were missing
$probelang = dirname(__FILE__) . '/' . $serendipity['charset'] . 'lang_' . $serendipity['lang'] . '.inc.php';
if (file_exists($probelang)) {
include $probelang;
}
include_once dirname(__FILE__) . '/lang_en.inc.php';
class serendipity_event_mimetex extends serendipity_event
{
var $title = PLUGIN_EVENT_MIMETEX_NAME;
function introspect(&$propbag)
{
global $serendipity;
$propbag->add('name', PLUGIN_EVENT_MIMETEX_NAME);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_DESC);
$propbag->add('stackable', false);
$propbag->add('author', 'Matthew Groeninger');
$propbag->add('version', '1.4');
$propbag->add('requirements', array(
'serendipity' => '0.8',
'smarty' => '2.6.7',
'php' => '4.1.0'
));
$propbag->add('cachable_events', array('frontend_display' => true));
$propbag->add('event_hooks', array(
'external_plugin' => true,
'backend_entry_toolbar_extended' => true,
'backend_entry_toolbar_body' => true,
'frontend_display' => true
));
$propbag->add('groups', array('MARKUP'));
$this->markup_elements = array(
array(
'name' => 'ENTRY_BODY',
'element' => 'body',
),
array(
'name' => 'EXTENDED_BODY',
'element' => 'extended',
),
array(
'name' => 'COMMENT',
'element' => 'comment',
),
array(
'name' => 'HTML_NUGGET',
'element' => 'html_nugget',
)
);
$conf_array = array('info','auto_replace','mimetex_or_latex','mimetex_path','latex_path','dvips_path','convert_path', 'transparency','filetype');
foreach($this->markup_elements as $element) {
$conf_array[] = $element['name'];
}
$propbag->add('configuration', $conf_array);
}
function introspect_config_item($name, &$propbag)
{
switch($name) {
case 'info':
$propbag->add('type', 'content');
$propbag->add('default', PLUGIN_EVENT_MIMETEX_NOTE);
break;
case 'mimetex_or_latex':
if (substr(php_uname(), 0, 7) != "Windows"){
$propbag->add('type', 'radio');
$propbag->add('name', PLUGIN_EVENT_MIMETEX_OR_LATEX);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_OR_LATEX_BLAHBLAH);
$propbag->add('radio', array(
'value' => array('mimetex', 'latex'),
'desc' => array(PLUGIN_EVENT_MIMETEX_OR_LATEX_MIMETEX, PLUGIN_EVENT_MIMETEX_OR_LATEX_LATEX)
));
$propbag->add('default', 'mimetex');
}
break;
case 'mimetex_path':
if($this->get_config('mimetex_or_latex','mimetex') == "mimetex") {
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_EVENT_MIMETEX_PATH);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_PATH_DESC);
$propbag->add('default', '/usr/bin/mimetex');
}
break;
case 'latex_path':
if($this->get_config('mimetex_or_latex','mimetex') == "latex") {
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_EVENT_MIMETEX_LATEXPATH);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_LATEXPATH_DESC);
$propbag->add('default', '/usr/bin/latex');
}
break;
case 'dvips_path':
if($this->get_config('mimetex_or_latex','mimetex') == "latex") {
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_EVENT_MIMETEX_DVIPSPATH);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_DVIPSPATH_DESC);
$propbag->add('default', '/usr/bin/dvips');
}
break;
case 'convert_path':
if($this->get_config('mimetex_or_latex','mimetex') == "latex") {
$propbag->add('type', 'string');
$propbag->add('name', PLUGIN_EVENT_MIMETEX_CONVERTPATH);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_CONVERTPATH_DESC);
$propbag->add('default', '/usr/bin/convert');
}
break;
case 'transparency':
if($this->get_config('mimetex_or_latex','mimetex') == "latex") {
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_EVENT_MIMETEX_ADDTRANSPARENCY);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_ADDTRANSPARENCY_DESC);
$propbag->add('default', 'false');
}
break;
case 'filetype':
if($this->get_config('mimetex_or_latex','mimetex') == "latex") {
$propbag->add('type', 'select');
$propbag->add('name', PLUGIN_EVENT_MIMETEX_FILETYPE);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_FILETYPE_DESC);
$propbag->add('select_values', array('gif' => 'gif', 'png' => 'png'));
$propbag->add('default', 'gif');
}
break;
case 'auto_replace':
$propbag->add('type', 'boolean');
$propbag->add('name', PLUGIN_EVENT_MIMETEX_REPLACE);
$propbag->add('description', PLUGIN_EVENT_MIMETEX_REPLACE_DESC);
$propbag->add('default', 'false');
break;
default:
if($this->get_config('auto_replace')) {
$propbag->add('type', 'boolean');
$propbag->add('name', constant($name));
$propbag->add('description', sprintf(APPLY_MARKUP_TO, constant($name)));
$propbag->add('default', 'false');
}
}
return true;
}
function generate_content(&$title) {
$title = $this->title;
}
function event_hook($event, &$bag, &$eventData, $addData = null) {
global $serendipity;
$hooks = &$bag->get('event_hooks');
$links = array();
$article_show = false;
if (isset($hooks[$event])) {
switch($event) {
case 'backend_entry_toolbar_extended':
if (!$this->get_config('auto_replace')) {
if (isset($eventData['backend_entry_toolbar_extended:textarea'])) {
$txtarea = $eventData['backend_entry_toolbar_extended:textarea'];
} else {
$txtarea = "serendipity[extended]";
}
if (!$serendipity['wysiwyg']) {
$this->generate_button($txtarea);
return true;
} else {
return false;
}
} else {
return false;
}
break;
case 'backend_entry_toolbar_body':
if (!$this->get_config('auto_replace')) {
if (isset($eventData['backend_entry_toolbar_body:textarea'])) {
$txtarea = $eventData['backend_entry_toolbar_body:textarea'];
} else {
$txtarea = "serendipity[body]";
}
if (!$serendipity['wysiwyg']) {
$this->generate_button($txtarea);
return true;
} else {
return false;
}
} else {
return false;
}
break;
case 'external_plugin':
$uri_parts = explode('?', str_replace('&amp;', '&', $eventData));
$uri_part = $uri_parts[0];
$uri_parts = array_pop($uri_parts);
$delim = 'q=';
$val_num = strpos($uri_parts,$delim);
if (is_int($val_num)) {
$val = substr($uri_parts, $val_num+2);
$_REQUEST['q'] = $val;
}
switch($uri_part) {
case 'mimetex.js':
header('Content-Type: text/javascript');
echo file_get_contents(dirname(__FILE__) . '/serendipity_event_mimetex.js');
return true;
break;
case 'mimetex.php':
$q = html_entity_decode(rawurldecode($_REQUEST['q']), ENT_COMPAT, LANG_CHARSET);
$filetype = $this->get_config('filetype','gif');
if (!empty($q)) {
$filename = md5($q);
$filename_full = '/images/'.$filename.'.'.$filetype;
if (!is_file(dirname(__FILE__) . $filename_full)) {
if($this->get_config('mimetex_or_latex','mimetex') == "latex") {
include (dirname(__FILE__)."/latexrender/class.latexrender.php");
$config_data = array('picture_path' => dirname(__FILE__).'/images/',
'tmp_dir' => $serendipity['serendipityPath'] . 'templates_c',
'filename' => $filename,
'latex_path' => $this->get_config('latex_path'),
'dvips_path' => $this->get_config('dvips_path'),
'convert_path'=> $this->get_config('convert_path'),
'filetype'=>$filetype,
'transparency'=> $this->get_config('transparency'));
$latex = new LatexRender($config_data);
$latex->renderLatex($q);
if ($latex->_errorcode != 0 || !is_file(dirname(__FILE__) . $filename_full)) {
$filename_full = '/images/error.'.$filetype;
//perhaps someday offer some debug access
//echo $latex->_errorextra;
}
} else {
$command = $this->get_config('mimetex_path').' -e "'.dirname(__FILE__).$filename_full.'" '.escapeshellarg($q);
system($command,$error);
if ($error != 0 || !is_file(dirname(__FILE__) . $filename_full)) {
$filename_full = '/images/error.'.$filetype;
}
}
}
} else {
$filename_full = '/images/error.'.$filetype;
}
header('Content-Type: image/'.$filetype);
$contentsize = filesize(dirname(__FILE__) .$filename_full);
if ($contentsize > 0) {
header("Content-Length: ".$contentsize);
}
echo file_get_contents(dirname(__FILE__) . $filename_full);
return true;
break;
default:
return false;
break;
}
return true;
break;
case 'frontend_display':
if ($this->get_config('auto_replace')) {
$url1 = '<img src="'.$serendipity['baseURL'] . ($serendipity['rewrite'] == 'none' ? $serendipity['indexFile'] . '?/' : '').'plugin/mimetex.php?q=';
$url2 = '" title="';
$url3 = '" alt="';
$url4 = '" \/>';
foreach ($this->markup_elements as $temp) {
if (serendipity_db_bool($this->get_config($temp['name'], true)) && isset($eventData[$temp['element']]) &&
!$eventData['properties']['ep_disable_markup_' . $this->instance] &&
!isset($serendipity['POST']['properties']['disable_markup_' . $this->instance])) {
$element = $temp['element'];
$eventData[$element] = preg_replace('/(?<!\\\\)\[tex\](.*?)\[\/tex\]/e', "'$url1'.rawurlencode('\\1').'$url2'.'\\1'.'$url3'.'\\1'.'$url4'", $eventData[$element]);
}
}
return true;
} else {
return false;
}
break;
default:
return false;
break;
}
} else {
return false;
}
}
function generate_button ($txtarea) {
global $serendipity;
if (!isset($txtarea)) {
$txtarea = 'body';
}
?>
<script type="text/javascript" src="<?php echo $serendipity['baseURL'] . ($serendipity['rewrite'] == 'none' ? $serendipity['indexFile'] . '?/' : ''); ?>plugin/mimetex.js"></script>
<input type="button" class="serendipityPrettyButton input_button" name="insMimetex" value="<?php echo PLUGIN_EVENT_MIMETEX_NAME_BUTTON; ?>" style="" onclick="serendipity_insTex('<?php echo $serendipity['baseURL'] . ($serendipity['rewrite'] == 'none' ? $serendipity['indexFile'] . '?/' : ''); ?>plugin/mimetex.php','<?php echo $txtarea; ?>')" />
<?php
}
}
/* vim: set sts=4 ts=4 expandtab : */
?>
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