librex/misc/tools.php

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PHP
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2023-02-03 21:01:28 +00:00
<?php
function get_base_url($url)
{
$split_url = explode("/", $url);
$base_url = $split_url[0] . "//" . $split_url[2] . "/";
return $base_url;
}
function get_root_domain($url)
{
$split_url = explode("/", $url);
$base_url = $split_url[2];
$base_url_main_split = explode(".", strrev($base_url));
$root_domain = strrev($base_url_main_split[1]) . "." . strrev($base_url_main_split[0]);
return $root_domain;
}
function try_replace_with_frontend($url, $frontend, $original)
{
$config = require "config.php";
if (isset($_COOKIE[$frontend]) || isset($_REQUEST[$frontend]) || !empty($config->$frontend))
{
if (isset($_COOKIE[$frontend]))
$frontend = $_COOKIE[$frontend];
else if (isset($_REQUEST[$frontend]))
$frontend = $_REQUEST[$frontend];
else if (!empty($config->$frontend))
$frontend = $config->$frontend;
if ($original == "instagram.com")
{
if (!strpos($url, "/p/"))
$frontend .= "/u";
}
if (empty(trim($frontend)))
return $url;
if (strpos($url, "wikipedia.org") !== false)
{
$wiki_split = explode(".", $url);
if (count($wiki_split) > 1)
{
$lang = explode("://", $wiki_split[0])[1];
$url = $frontend . explode($original, $url)[1] . "?lang=" . $lang;
}
}
else if (strpos($url, "fandom.com") !== false)
{
$fandom_split = explode(".", $url);
if (count($fandom_split) > 1)
{
$wiki_name = explode("://", $fandom_split[0])[1];
$url = $frontend . "/" . $wiki_name . explode($original, $url)[1];
}
}
else
{
$url = $frontend . explode($original, $url)[1];
}
return $url;
}
return $url;
}
function check_for_privacy_frontend($url)
{
if (isset($_COOKIE["disable_frontends"]))
return $url;
$frontends = array(
"youtube.com" => "invidious",
"instagram.com" => "bibliogram",
"imgur.com" => "rimgo",
"medium.com" => "scribe",
"github.com" => "gothub",
"odysee.com" => "librarian",
"twitter.com" => "nitter",
"reddit.com" => "libreddit",
"tiktok.com" => "proxitok",
"wikipedia.org" => "wikiless",
"quora.com" => "quetre",
"imdb.com" => "libremdb",
"fandom.com" => "breezewiki",
"stackoverflow.com" => "anonymousoverflow"
);
foreach($frontends as $original => $frontend)
{
if (strpos($url, $original))
{
$url = try_replace_with_frontend($url, $frontend, $original);
break;
}
}
return $url;
}
function check_ddg_bang($query)
{
$bangs_json = file_get_contents("static/misc/ddg_bang.json");
$bangs = json_decode($bangs_json, true);
if (substr($query, 0, 1) == "!")
$search_word = substr(explode(" ", $query)[0], 1);
else
$search_word = substr(end(explode(" ", $query)), 1);
$bang_url = null;
foreach($bangs as $bang)
{
if ($bang["t"] == $search_word)
{
$bang_url = $bang["u"];
break;
}
}
if ($bang_url)
{
$bang_query_array = explode("!" . $search_word, $query);
$bang_query = trim(implode("", $bang_query_array));
$request_url = str_replace("{{{s}}}", $bang_query, $bang_url);
$request_url = check_for_privacy_frontend($request_url);
header("Location: " . $request_url);
die();
}
}
function check_for_special_search($query)
{
if (isset($_COOKIE["disable_special"]) || isset($_REQUEST["disable_special"]))
return 0;
$query_lower = strtolower($query);
$split_query = explode(" ", $query);
if (strpos($query_lower, "to") && count($split_query) >= 4) // currency
{
$amount_to_convert = floatval($split_query[0]);
if ($amount_to_convert != 0)
return 1;
}
else if (strpos($query_lower, "mean") && count($split_query) >= 2) // definition
{
return 2;
}
else if (strpos($query_lower, "my") !== false)
{
if (strpos($query_lower, "ip"))
{
return 3;
}
else if (strpos($query_lower, "user agent") || strpos($query_lower, "ua"))
{
return 4;
}
}
else if (strpos($query_lower, "weather") !== false)
{
return 5;
}
else if ($query_lower == "tor")
{
return 6;
}
else if (3 > count(explode(" ", $query))) // wikipedia
{
return 7;
}
return 0;
}
function get_xpath($response)
{
$htmlDom = new DOMDocument;
@$htmlDom->loadHTML($response);
$xpath = new DOMXPath($htmlDom);
return $xpath;
}
function request($url)
{
global $config;
$ch = curl_init($url);
curl_setopt_array($ch, $config->curl_settings);
$response = curl_exec($ch);
return $response;
}
function human_filesize($bytes, $dec = 2)
{
$size = array('B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
$factor = floor((strlen($bytes) - 1) / 3);
return sprintf("%.{$dec}f ", $bytes / pow(1024, $factor)) . @$size[$factor];
}
function remove_special($string)
{
$string = preg_replace("/[\r\n]+/", "\n", $string);
return trim(preg_replace("/\s+/", ' ', $string));
}
function print_elapsed_time($start_time)
{
$end_time = number_format(microtime(true) - $start_time, 2, '.', '');
echo "<p id=\"time\">Ricerca effettuata in $end_time secondi</p>";
}
function print_next_page_button($text, $page, $query, $type)
{
echo "<form class=\"page\" action=\"search.php\" target=\"_top\" method=\"get\" autocomplete=\"off\">";
foreach($_REQUEST as $key=>$value)
{
if ($key != "q" && $key != "p" && $key != "t")
{
echo "<input type=\"hidden\" name=\"$key\" value=\"$value\"/>";
}
}
echo "<input type=\"hidden\" name=\"p\" value=\"" . $page . "\" />";
echo "<input type=\"hidden\" name=\"q\" value=\"$query\" />";
echo "<input type=\"hidden\" name=\"t\" value=\"$type\" />";
echo "<button type=\"submit\">$text</button>";
echo "</form>";
}
?>