Title: [PHP] threads);$i++) //cycle through all the threads on this page
{
if(!empty($json_dump->threads[$i]->posts[0]->sub)) //make sure the thread has a title (or sub (im guessing "subtext" or something))
{
foreach($keywords as $key)//cycle through keywords
{
if(stristr($json_dump->threads[$i]->posts[0]->sub,$key)!=FALSE)//compare the title to the keywords, case insenstive.
{
$threadJson = getThreadJson($json_dump->threads[$i]->posts[0]->no); //do this once, to save from having to load the page from 4chan more than once
if(checkForMarkerFromThreadJson($threadJson)==true)
{
writeRawText("thread.cache", $json_dump->threads[$i]->posts[0]->no);
markerFound($threadJson);
return true;
}
}
}
}
}
}
// couldn't find a thread, so tell the user and drop a link back to the locator
// alternatively, we could just redirect to the locator without any information however it's probably best to let the user know what is happening.
echo "
";
echo "Sorry! Could not find current thread.";
echo "Return to locator";
return false;
}
function writeRawText($fileURI, $content)
{
$fp = fopen($fileURI, "w+");
if(!$fp) {
//echo "cache failure";
return false;
}
fputs($fp, $content);
fclose($fp);
}
function readRawText($fileURI, $mode)
{
$raw = "";
$handle = @fopen($fileURI, $mode);
if($handle==false)
{
return false;
}
while (!feof($handle))
{
$raw .= fread($handle,8192);
}
fclose($handle);
return $raw;
}
function getThreadJson($threadID)
{
$threadRaw = readRawText("http://a.4cdn.org/mlp/res/". $threadID. ".json", "r");
if($threadRaw==false)
{
//echo "Thread failed to load, please refresh the page.
";
return false;
}
$threadJson = json_decode($threadRaw);//push the json data into something php can read
return $threadJson;
}
function getpageJson($pageNum)
{
$pageRaw = readRawText("http://a.4cdn.org/mlp/". $pageNum. ".json", "r");
if($pageRaw==false)
{
//echo "4chan page failed to load, please refresh the page.";
return false;
}
$pageJson = json_decode($pageRaw);//push the json data into something php can read
return $pageJson;
}
function checkForMarkerFromThreadJson($threadJson)
{
for($i=0;$i<=sizeof($threadJson->posts)-1;$i++)//cycle through every post in thread
{
if(!empty($threadJson->posts[$i]->filename))//make sure the post has an image (by checking if post data contains a filename)
{
if($threadJson->posts[$i]->md5 == "YgIC5DRjGYcY2F4I+vJkOw==")//compare image md5 with the known marker md5
{
return true;
}
}
}
return false;
}
function markerFound($threadJson)
{
// quick hack to make this a /go page
redirect("http://boards.4chan.org/mlp/res/". $threadJson->posts[0]->no); //302 "Moved" Redirect to current thread
}
function redirect($url, $statusCode = 303)
{
if (headers_sent() === false)
{
header('Location: ' . $url, true, $statusCode);
} else { // couldn't send headers, so drop a meta refresh
echo "";
echo "Oops! Could not write location header: headers already sent. You should be redirected to the correct thread in a few seconds. If not, Click here to go to the current marked thread";
}
die();
}
function checkCache()
{
//1 read thread from file (if none exists, skip to 3)
//2 cycle through posts in thread for the marker to hit the md5
//3 if it doesn't, return false, run the normal findthread() and write the result to the cache
$cachedThread = readRawText("thread.cache", "r");//read the file
if($cachedThread!=false)//if it finds text in the file
{
$json = getThreadJson($cachedThread);
if ($json!=false)
{
if(checkForMarkerFromThreadJson($json)==true)
{
markerFound($json);
}
else
{
findthread();
}
}
else
{
findthread();
}
}
else
{
findthread();
}
}
checkCache();
?>