CRC64 function adapted from https://gist.github.com/hightemp/4da5ac39b8d57fcd7e7988b90a48017d
several function adapted from stackoverflow
bookmarklet:
javascript:Q=document.selection?document.selection.createRange().text:document.getSelection(); void(window.open(%27https://yourwebsite.com/dokuwiki/doku.php?do=highlight2wiki&te=%27+encodeURIComponent(Q)+%27&ur=%27+ encodeURIComponent(location.href)+%27%27,%27dokuwikiadd%27,%27scrollbars=yes,resizable=yes,toolbars=yes,status=yes%27));
*/
class action_plugin_highlight2wiki extends \dokuwiki\Extension\ActionPlugin
{
/** @inheritDoc */
public function register(Doku_Event_Handler $controller)
{
// $controller->register_hook('TOOLBAR_DEFINE', 'AFTER', $this, 'handle_toolbar_define',array());
$controller->register_hook('TPL_METAHEADER_OUTPUT', 'BEFORE', $this,'_hookjs');
$controller->register_hook('ACTION_ACT_PREPROCESS', 'BEFORE', $this, 'allowMyAction');
$controller->register_hook('TPL_ACT_UNKNOWN', 'BEFORE', $this, 'performMyAction');
}
/**
* FIXME Event handler for
*
* @param Doku_Event $event event object by reference
* @param mixed $param optional parameter passed when event was registered
* @return void
*/
public function _hookjs(Doku_Event $event, $param) {
$event->data['script'][] = array(
'type' => 'text/javascript',
'charset' => 'utf-8',
'_data' => '',
'src' => 'https://cdnjs.cloudflare.com/ajax/libs/mark.js/8.11.1/mark.min.js'); // Mark.Js library included
//'src' => DOKU_BASE.'lib/plugins/highlight2wiki/script.js');
}
public function allowMyAction(Doku_Event $event, $param) {
if($event->data != 'highlight2wiki') return;
$event->preventDefault();
}
public function performMyAction(Doku_Event $event, $param) {
if($event->data != 'highlight2wiki') return;
$event->preventDefault();
global $ACT, $JSINFO, $ID, $INPUT, $auth, $TPL, $INFO;
//LOGIN NEEDED ?8 //NOT LOGGED IN ? -> FORCE LOGIN
if( $INFO['userinfo']== null ) {
header("Location: ?do=login");
die('LOGIN');
}
$timestamp = date("Y:m:d:H:i:s");
//$title=$_GET['ti']; // things to log : title
//$titlestring = preg_replace('/%u([0-9A-F]+)/', '&#x$1;', $title); // convert the unicode dont need title parameter anymore
//$titlestring = html_entity_decode($titlestring, ENT_COMPAT, 'UTF-8');
$url=$_GET['ur'];
//$urlkey = preg_replace( "#^[^:/.]*[:/]+#i", "",$url );
//$urlkey = urlencode($urlkey); //crc64($url);
//if (strlen($urlkey)>250){
$urlkey = crc64($url);
//}
$yournamespace = $this->getConf('highlight_namespace');
$allowed_tags = $this->getConf('allowed_tags');
$allow_css = $this->getConf('allow_css');
$allow_javascript = $this->getConf('allow_javascript');
$title_as_pagename = $this->getConf('title_as_pagename');
$targeturl= DOKU_BASE."doku.php?id=$yournamespace:$urlkey&do=edit";
$highlightactionurl = DOKU_BASE."doku.php?do=highlight2wiki";
$url_host = parse_url($url,PHP_URL_SCHEME)."://".parse_url($url, PHP_URL_HOST) ;
if(empty($url)){
echo "put your link here:
";
echo '';
echo '';
}
echo'';
echo '';
// From URL to get webpage contents.
function parseurl($newurl="") // to convert encode url
{
// $newurl = rawurlencode($newurl);
$a = array("%3A","%2F","%40","+");
$b = array(":","/","@"," ");
$newurl = str_replace($a,$b,$newurl);
return $newurl;
}
$purl = parseurl($url);
if(!empty($url)){
if (function_exists('curl_init')) //check if curl function existed
{
$ch = curl_init();
$agent = 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36';
curl_setopt($ch, CURLOPT_USERAGENT, $agent);// Return Page contents.
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_LOW_SPEED_LIMIT, 1); // cancel if below 1 byte/second
curl_setopt($ch, CURLOPT_LOW_SPEED_TIME, 30); // for a period of 30 seconds
$result1 = curl_exec($ch);
//grab URL and pass it to the variable.
// Initialize a CURL session.
//$result =file_get_contents($url);
$context2 = stream_context_create(
array(
"http" => array(
"header" => "User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36"
),
"ssl"=>array(
"verify_peer"=>false,
"verify_peer_name"=>false,)
)
);
$result2 =file_get_contents($url, false, $context2);
//echo ''.strlen($result1).'
';
//echo ''.strlen($result2).'
';
if(strlen($result2)>strlen($result1)){ //check length of each result
$result = $result2;
}else{
$result = $result1;
}
}
else
{
$context = stream_context_create(
array(
"http" => array(
"header" => "User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.102 Safari/537.36"
),
"ssl"=>array(
"verify_peer"=>false,
"verify_peer_name"=>false,)
)
);
$result =file_get_contents($url, false, $context);
echo 'file_get_contents
';
}
}
//$result2= file_get_contents($url);
//if(strcmp($result, $result2)<"0"){
//$result = $result2;
//}
/* DOM parser stripper from https://stackoverflow.com/questions/8021543/extract-all-the-text-and-img-tags-from-html-in-php */
if($result!=""){
//preg_match('/lang=(["\'])?((?:.(?!\1|>))*.?)/',$result,$matchlang);
$allowed_attributes = array('charset','lang','src','href');
$dom = new DOMDocument();
//$dom->loadHTML($result);
@$dom->loadHTML(mb_convert_encoding($result, 'HTML-ENTITIES', 'UTF-8'));
//mb_convert_encoding($data, 'HTML-ENTITIES', 'UTF-8')
foreach($dom->getElementsByTagName('*') as $node)
{
foreach($node->attributes as $attribute)
{
if(is_iterable($attribute->name)){
foreach($attribute->name as $AName){
if(in_array($AName, $allowed_attributes)){
continue;
}else{
$node->removeAttributeNode($attribute);
}
}
}
//if (in_array($attribute->name, $allowed_attributes)) {continue;}
//$node->removeAttributeNode($attribute);
//removeAttribute('href')
}
}
if($allow_javascript==0){ //javascript_conf
/*$html = preg_replace('/<\s*script.+?<\s*\/\s*script.*?>/si', ' ', $html ); */
foreach($dom->getElementsByTagName('script') as $node){$node->nodeValue="";}
echo'';
}
if($allow_css==0){ //css conf
/*$html = preg_replace('/<\s*style.+?<\s*\/\s*script.*?>/si', ' ', $html ); */
foreach($dom->getElementsByTagName('style') as $node){$node->nodeValue="";}
echo'';
}
//echo '';
echo '';
$titles = $dom->saveHTML($dom->getElementsByTagName('title')->item(0));
$html = $dom->saveHTML($dom->getElementsByTagname('body')->item(0));
if($allow_javascript==0){
$html = preg_replace('/<\s*script.+?<\s*\/\s*script.*?>/si', ' ', $html );
}
$html=preg_replace("/]+\>/ix", "", $html);
$html = str_replace("", "", $html);
$html = str_replace("", "", $html);
echo'';
echo $titles;
echo $html;
}
echo "
";
// add onload function
echo' ';
/* change the target page name to title+ crc64 code */
if($title_as_pagename ==1){
$titles2=RemoveSpecialChar(Strip_tags($titles));
if (strlen(utf8_encode($titles2))>140){ //check the title length if longer than 150
$titles2 = substr(utf8_encode($titles2),0,140);
$titles2 = utf8_decode($titles2);
}
$titles2 = $titles2."-".crc64($url);
$targeturl= DOKU_BASE."doku.php?id=$yournamespace:$titles2&do=edit";
}
/* dokuwiki editor iframe */
echo '';
echo'
';
echo '
';
//
} //end of performMyAction
} // end of class
function crc64Table() //CRC64 hasing for encoding
{
$crc64tab = [];
// ECMA polynomial
$poly64rev = (0xC96C5795 << 32) | 0xD7870F42;
// ISO polynomial
// $poly64rev = (0xD8 << 56);
for ($i = 0; $i < 256; $i++)
{
for ($part = $i, $bit = 0; $bit < 8; $bit++) {
if ($part & 1) {
$part = (($part >> 1) & ~(0x8 << 60)) ^ $poly64rev;
} else {
$part = ($part >> 1) & ~(0x8 << 60);
}
}
$crc64tab[$i] = $part;
}
return $crc64tab;
}
//https://www.php.net/manual/en/function.str-replace.php#100871
/**
* @param string $string
* @param string $format
* @return mixed
*
* Formats:
* crc64('php'); // afe4e823e7cef190
* crc64('php', '0x%x'); // 0xafe4e823e7cef190
* crc64('php', '0x%X'); // 0xAFE4E823E7CEF190
* crc64('php', '%d'); // -5772233581471534704 signed int
* crc64('php', '%u'); // 12674510492238016912 unsigned int
*/
function crc64($string, $format = '%x')
{
static $crc64tab;
if ($crc64tab === null) {
$crc64tab = crc64Table();
}
$crc = 0;
for ($i = 0; $i < strlen($string); $i++) {
$crc = $crc64tab[($crc ^ ord($string[$i])) & 0xff] ^ (($crc >> 8) & ~(0xff << 56));
}
return sprintf($format, $crc);
}
//check itf-8 //floern.com/;
function is_utf8($str) {
$strlen = strlen($str);
for ($i = 0; $i < $strlen; $i++) {
$ord = ord($str[$i]);
if ($ord < 0x80) continue; // 0bbbbbbb
elseif (($ord & 0xE0) === 0xC0 && $ord > 0xC1) $n = 1; // 110bbbbb (exkl C0-C1)
elseif (($ord & 0xF0) === 0xE0) $n = 2; // 1110bbbb
elseif (($ord & 0xF8) === 0xF0 && $ord < 0xF5) $n = 3; // 11110bbb (exkl F5-FF)
else return false; // invalid UTF-8-Zeichen
for ($c=0; $c<$n; $c++) // $n following bytes? // 10bbbbbb
if (++$i === $strlen || (ord($str[$i]) & 0xC0) !== 0x80)
return false; // invalid UTF-8 char
}
return true; // didn't find any invalid characters
}
function RemoveSpecialChar($str) {
// Using str_replace() function
// to replace the word
$res = str_replace( array( '\'', '"',
',' , ';', '<', '>','&',':','/' ), '', $str);
return $res;
}