LibreZ/misc/tools.php

137 lines
4.5 KiB
PHP

<?php
function get_base_url($url) {
$parsed = parse_url($url);
return $parsed["scheme"] . "://" . $parsed["host"] . "/";
}
function get_root_domain($url) {
return parse_url($url, PHP_URL_HOST);
}
function try_replace_with_frontend($url, $frontend, $original, $opts) {
$frontends = $opts->frontends;
if (array_key_exists($frontend, $opts->frontends)) {
$frontend = $frontends[$frontend]["instance_url"];
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, $url)[1] . (strpos($url, "?") !== false ? "&" : "?") . "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, $url)[1];
}
} else if (strpos($url, "gist.github.com") !== false) {
$gist_path = explode("gist.github.com", $url)[1];
$url = $frontend . "/gist" . $gist_path;
} else if (strpos($url, "stackexchange.com") !== false) {
$se_domain = explode(".", explode("://", $url)[1])[0];
$se_path = explode("stackexchange.com", $url)[1];
$url = $frontend . "/exchange" . "/" . $se_domain . $se_path;
} else {
$url = $frontend . explode($original, $url)[1];
}
return $url;
}
return $url;
}
function check_for_privacy_frontend($url, $opts) {
if ($opts->disable_frontends)
return $url;
foreach($opts->frontends as $frontend => $data) {
$original = $data["original_url"];
if (strpos($url, $original)) {
$url = try_replace_with_frontend($url, $frontend, $original, $opts);
break;
} else if (strpos($url, "stackexchange.com")) {
$url = try_replace_with_frontend($url, "anonymousoverflow", "stackexchange.com", $opts);
break;
}
}
return $url;
}
function get_xpath($response) {
if (!$response)
return null;
$htmlDom = new DOMDocument;
@$htmlDom->loadHTML($response);
$xpath = new DOMXPath($htmlDom);
return $xpath;
}
function request($url) {
$config ??= require "config.php";
$ch = curl_init($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\">Fetched the results in $end_time seconds</p>";
}
function print_next_page_button($text, $page, $query, $type) {
echo "<form class=\"page\" action=\"search.php\" target=\"_top\" method=\"get\" autocomplete=\"off\">";
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>";
}
function copy_cookies($curl) {
if (array_key_exists("HTTP_COOKIE", $_SERVER))
curl_setopt( $curl, CURLOPT_COOKIE, $_SERVER['HTTP_COOKIE'] );
}
function get_country_emote($code) {
$emoji = [];
foreach(str_split($code) as $c) {
if(($o = ord($c)) > 64 && $o % 32 < 27) {
$emoji[] = hex2bin("f09f87" . dechex($o % 32 + 165));
continue;
}
$emoji[] = $c;
}
return join($emoji);
}
?>