config.php is missing!"; echo "

Please check the readme.md file for complete installation instructions.

"; echo "

Configure Goosle properly by copying config.default.php to config.php. In config.php you can set your preferences.

"; die(); } else { $opts = require $config_file; // From the url/request $opts->user_auth = (isset($_REQUEST['a'])) ? sanitize($_REQUEST['a']) : ''; $opts->pixel = 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII='; // Force a few defaults and safeguards if(empty($opts->colorscheme)) $opts->colorscheme = 'default'; if($opts->cache_type == 'file' && !is_dir(ABSPATH.'cache/')) $opts->cache_type = 'off'; if($opts->cache_type == 'apcu' && !function_exists('apcu_exists')) $opts->cache_type = 'off'; if($opts->cache_time < 1 || ($opts->cache_type == 'apcu' && $opts->cache_time > 8) || ($opts->cache_type == 'file' && $opts->cache_time > 48)) $opts->cache_time = 8; if(!is_numeric($opts->search_results_per_page) || ($opts->search_results_per_page < 8 || $opts->search_results_per_page > 160)) $opts->social_media_relevance = 24; if(!is_numeric($opts->social_media_relevance) || ($opts->social_media_relevance > 10 || $opts->social_media_relevance < 0)) $opts->social_media_relevance = 8; return $opts; } } /*-------------------------------------- // Process search query --------------------------------------*/ function load_search() { global $opts; $search = new stdClass(); // From the url/request if(!isset($_REQUEST['s'])) { // Regular search $search->query = (isset($_REQUEST['q'])) ? trim($_REQUEST['q']) : ''; $search->type = (isset($_REQUEST['t'])) ? sanitize($_REQUEST['t']) : 0; $search->share = null; } else { // Shared result $share_string = explode('||', base64_url_decode(sanitize($_REQUEST['s']))); if(is_array($share_string) && count($share_string) === 3) { $search->query = sanitize($share_string[0]); $search->type = sanitize($share_string[1]); $search->share = sanitize($share_string[2]); } else { $search->query = ''; $search->type = 0; $search->share = null; } unset($share_string); } // Set pagination page $search->page = (isset($_REQUEST['p'])) ? sanitize($_REQUEST['p']) : 1; // Remove ! at the start of queries to prevent DDG Bangs (!g, !c and crap like that) if(substr($search->query, 0, 1) == '!') $search->query = substr($search->query, 1); // Preserve quotes $search->query = str_replace('%22', '\"', $search->query); // Special searches and filters $search->query_terms = explode(' ', strtolower($search->query)); // Break up query $search->count_terms = count($search->query_terms); // How many keywords? // Safe search override // 0 = off, 1 = normal (default), 2 = on/strict $search->safe = 1; if($search->query_terms[0] == 'safe:on') { $search->safe = 2; $search->query = trim(str_replace($search->query_terms[0], '', $search->query)); } if($search->query_terms[0] == 'safe:off' || $search->query_terms[0] == 'xxx' || $search->query_terms[0] == 'porn') { $search->safe = 0; $search->query = trim(str_replace($search->query_terms[0], '', $search->query)); } // Maybe count stats? if(!empty($search->query)) count_stats(); return $search; } /*-------------------------------------- // Do some stats --------------------------------------*/ function load_stats() { $stats_file = ABSPATH.'cache/stats.data'; if(!is_file($stats_file)) { // Create stats file if it doesn't exist $stats = array('started' => mktime(0, 0, 0, date('m'), date('d'), date('Y')), 'days_active' => 0, 'all_queries' => 0, 'avg_per_day' => 0); file_put_contents($stats_file, serialize($stats)); } else { // Get stats $stats = unserialize(file_get_contents($stats_file)); } return $stats; } function count_stats() { $stats = load_stats(); // Calculate average searches per day $new_day = (mktime(0, 0, 0, date('m'), date('d'), date('Y')) - $stats['started']) / 86400; if($new_day > $stats['days_active']) { $stats['days_active'] = $stats['days_active'] + 1; $stats['avg_per_day'] = $stats['all_queries'] / $stats['days_active']; } // Count query $stats['all_queries'] = $stats['all_queries'] + 1; // Save stats $stats_file = ABSPATH.'cache/stats.data'; file_put_contents($stats_file, serialize($stats)); } /*-------------------------------------- // Show version in footer --------------------------------------*/ function show_version() { $version_file = ABSPATH.'cache/version.data'; if(is_file($version_file)) { // Get version information $version = unserialize(file_get_contents($version_file)); // Format current version for footer $show_version = "Goosle ".$version['current']."."; // Check if a newer version is available and add it to the version display if(version_compare($version['current'], $version['latest'], '<')) { $show_version .= " Version ".$version['latest']." is available!"; } } else { // If the update cache doesn't exist... $show_version = "Goosle."; } return $show_version; } /*-------------------------------------- // Standardized cURL requests that support both POST and GET // For Box Office, Update checks and oAUTH // NOT (YET?) USED FOR ENGINE REQUESTS!! // NOT (YET?) USED FOR ENGINE REQUESTS!! --------------------------------------*/ function do_curl_request($url, $headers, $method, $post_fields) { $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); if($method == 'post' && !empty($post_fields)) { curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields); } else { curl_setopt($ch, CURLOPT_HTTPGET, 1); } curl_setopt($ch, CURLOPT_PROTOCOLS, CURLPROTO_HTTPS | CURLPROTO_HTTP); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); curl_setopt($ch, CURLOPT_ENCODING, 'gzip,deflate'); curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); curl_setopt($ch, CURLOPT_MAXREDIRS, 5); curl_setopt($ch, CURLOPT_REDIR_PROTOCOLS, CURLPROTO_HTTPS | CURLPROTO_HTTP); curl_setopt($ch, CURLOPT_TIMEOUT, 3); curl_setopt($ch, CURLOPT_VERBOSE, false); $response = curl_exec($ch); curl_close($ch); return $response; } /*-------------------------------------- // Load pages into a DOM --------------------------------------*/ function get_xpath($response) { if(!$response) return null; $htmlDom = new DOMDocument; @$htmlDom->loadHTML($response); $xpath = new DOMXPath($htmlDom); return $xpath; } /*-------------------------------------- // Get Goosle's base url --------------------------------------*/ function get_base_url($siteurl) { // Figure out server protocol $protocol = empty($_SERVER['HTTPS']) ? 'http' : 'https'; return $protocol.'://'.$siteurl; } /*-------------------------------------- // URL Safe base64 encoding and decoding --------------------------------------*/ function base64_url_encode($input) { return strtr(base64_encode($input), '+/=', '-_.'); } function base64_url_decode($input) { return base64_decode(strtr($input, '-_.', '+/=')); } /*-------------------------------------- // Result Caching --------------------------------------*/ function has_cached_results($cache_type, $hash, $url, $ttl) { $ttl = intval($ttl * 3600); // Make it hours if($cache_type == 'apcu') { return apcu_exists($hash.':'.$url); } if($cache_type == 'file') { $cache_file = ABSPATH.'cache/'.md5($hash.':'.$url).'.result'; if(is_file($cache_file)) { if(filemtime($cache_file) >= (time() - $ttl)) { return true; } } } return false; } function store_cached_results($cache_type, $hash, $url, $results, $ttl) { $ttl = intval($ttl * 3600); // Make it hours if($cache_type == 'apcu') { apcu_store($hash.':'.$url, $results, $ttl); } if($cache_type == 'file') { $cache_file = ABSPATH.'cache/'.md5($hash.':'.$url).'.result'; file_put_contents($cache_file, serialize($results)); } } function fetch_cached_results($cache_type, $hash, $url) { if($cache_type == 'apcu') { return apcu_fetch($hash.':'.$url); } if($cache_type == 'file') { $cache_file = ABSPATH.'cache/'.md5($hash.':'.$url).'.result'; if(is_file($cache_file)) { return unserialize(file_get_contents($cache_file)); } } return array(); } function delete_cached_results($ttl) { $ttl = intval($ttl * 3600); // Make it hours $folder = ABSPATH.'cache/'; if(is_dir($folder)) { if($handle = opendir($folder)) { // Loop through all files while(($file = readdir($handle)) !== false) { // Skip some of them $extension = pathinfo($file, PATHINFO_EXTENSION); if($file == '.' OR $file == '..' OR $extension != 'result') continue; // Delete if expired if(filemtime($folder.$file) < (time() - $ttl)) { unlink($folder.$file); } } closedir($handle); } } } /*-------------------------------------- // Store generated tokens --------------------------------------*/ function oauth_store_token($token_file, $connect, $token) { if(!is_file($token_file)){ // Create token file file_put_contents($token_file, serialize(array($connect => $token))); } else { // Update token file $tokens = unserialize(file_get_contents($token_file)); $tokens[$connect] = $token; file_put_contents($token_file, serialize($tokens)); } } /*-------------------------------------- // Sanitize/format variables --------------------------------------*/ function sanitize($variable) { switch(gettype($variable)) { case 'string': $variable = htmlspecialchars(trim($variable), ENT_QUOTES); break; case 'integer': $variable = preg_replace('/[^0-9]/', '', $variable); if(strlen($variable) == 0) $variable = 0; break; case 'boolean': $variable = ($variable === FALSE) ? 0 : 1; break; default: $variable = ($variable === NULL) ? 'NULL' : htmlspecialchars(strip_tags(trim($variable)), ENT_QUOTES); break; } return $variable; } function strip_newlines($string) { return preg_replace('/
|\n/', '', $string); } function limit_string_length($string, $length = 200, $append = '…') { $string = trim($string); if(str_word_count($string, 0) > $length) { $words = str_word_count($string, 2); $pos = array_keys($words); $string = substr($string, 0, $pos[$length]) . $append; } return $string; } /*-------------------------------------- // Search result match counter --------------------------------------*/ function match_count($string, $query) { if(empty($string)) return 0; $string = strtolower($string); if(filter_var($string, FILTER_VALIDATE_URL)) { $string = preg_replace('/[^a-z0-9]+/', ' ', $string); } // Replace anything but alphanumeric with a space $string = preg_replace('/\s{2,}|[^a-z0-9]+/', ' ', $string); $matches = array_intersect(array_filter(array_unique(explode(' ', $string))), $query); $matches = count($matches); return $matches; } /*-------------------------------------- // Detect social media results --------------------------------------*/ function is_social_media($string) { $string = strtolower($string); // Borrowed from https://github.com/lorey/social-media-profiles-regexs if(preg_match('/(?:https?:)?\/\/(?:www\.)?(?:facebook|fb)\.com\/(?P(?![A-z]+\.php)(?!marketplace|gaming|watch|me|messages|help|search|groups)[A-z0-9_\-\.]+)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:www\.)facebook.com\/(?:profile.php\?id=)?(?P[0-9]+)/', $string) || preg_match('/(?:https?:)?\/\/(?:www\.)?(?:instagram\.com|instagr\.am)\/(?P[A-Za-z0-9_](?:(?:[A-Za-z0-9_]|(?:\.(?!\.))){0,28}(?:[A-Za-z0-9_]))?)/', $string) || preg_match('/(?:https?:)?\/\/(?:[A-z]+\.)?twitter\.com\/@?(?P[A-z0-9_]+)\/status\/(?P[0-9]+)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:[A-z]+\.)?twitter\.com\/@?(?!home|share|privacy|tos)(?P[A-z0-9_]+)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:[a-z]+\.)?reddit\.com\/(?:u(?:ser)?)\/(?P[A-z0-9\-\_]*)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:www\.)?snapchat\.com\/add\/(?P[A-z0-9\.\_\-]+)\/?/', $string) || preg_match('/^.*https:\/\/(?:m|www|vm)?\.?tiktok\.com\/((?:.*\b(?:(?:usr|v|embed|user|video)\/|\?shareId=|\&item_id=)(\d+))|\w+)/', $string) || preg_match('/(?:https?:)?\/\/(?:[\w]+\.)?linkedin\.com\/(?P(company)|(school))\/(?P[A-z0-9-À-ÿ\.]+)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:[\w]+\.)?linkedin\.com\/feed\/update\/urn:li:activity:(?P[0-9]+)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:[\w]+\.)?linkedin\.com\/in\/(?P[\w\-\_À-ÿ%]+)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:[A-z]+\.)?youtube.com\/(?:c(?:hannel)?)\/(?P[A-z0-9-\_]+)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:[A-z]+\.)?youtube.com\/(?:u(?:ser)?)\/(?P[A-z0-9]+)\/?/', $string) || preg_match('/(?:https?:)?\/\/(?:(?:www\.)?youtube\.com\/(?:watch\?v=|embed\/)|youtu\.be\/)(?P[A-z0-9\-\_]+)/', $string) ) return true; return false; } /*-------------------------------------- // Search suggestions --------------------------------------*/ function search_suggestion($search, $opts, $results) { $specific_result = $specific_result2 = ''; if(($search->type == 0 || $search->type == 1) && count($results['search_specific']) > 1) { // Format query url $search_specific_url2 = "./results.php?q=".urlencode($results['search_specific'][1])."&t=".$search->type."&a=".$opts->hash; $specific_result2 = " or ".$results['search_specific'][1].""; } // Format query url $search_specific_url = "./results.php?q=".urlencode($results['search_specific'][0])."&t=".$search->type."&a=".$opts->hash; $specific_result = "Or instead search for ".$results['search_specific'][0]."".$specific_result2."."; unset($search_specific_url, $search_specific_url2, $specific_result2); return $specific_result; } /*-------------------------------------- // Count and format search sources --------------------------------------*/ function search_sources($results) { $sources = array(); foreach($results as $source => $amount) { $plural = ($amount > 1) ? 'results' : 'result'; $sources[] = $amount.' '.$plural.' from '.$source; } $sources = replace_last_comma(implode(', ', $sources)); $sources = 'Includes '.$sources.'.'; return $sources; } /*-------------------------------------- // Format search result urls --------------------------------------*/ function search_formatted_url($url) { $url = parse_url($url); $formatted_url = $url['scheme'] . '://' . $url['host']; if(array_key_exists('path', $url)) { $formatted_url .= str_replace('/', ' › ', urldecode(str_replace('%20', ' ', rtrim($url['path'], '/')))); } return $formatted_url; } /*-------------------------------------- // Results pagination --------------------------------------*/ function search_pagination($search, $opts, $number_of_results) { $number_of_pages = ceil($number_of_results / $opts->search_results_per_page); $pagination = ""; if($search->page > 1) { $prev = $search->page - 1; $pagination .= "siteurl)."/results.php?q=".urlencode($search->query)."&t=".$search->type."&a=".$opts->hash."&p=".$prev."\" title=\"Previous page\"> "; } for($page = 1; $page <= $number_of_pages; $page++) { $class = ($search->page == $page) ? "current" : ""; $pagination .= "siteurl)."/results.php?q=".urlencode($search->query)."&t=".$search->type."&a=".$opts->hash."&p=".$page."\" class=\"".$class."\" title=\"To page ".$page."\">".$page." "; } if($search->page < $number_of_pages) { $next = $search->page + 1; $pagination .= "siteurl)."/results.php?q=".urlencode($search->query)."&t=".$search->type."&a=".$opts->hash."&p=".$next."\" title=\"Next page\"> "; } return $pagination; } /*-------------------------------------- // Find and replace the last comma in a string --------------------------------------*/ function replace_last_comma($string) { $last_comma = strrpos($string, ', '); if($last_comma !== false) { $string = substr_replace($string, ' and ', $last_comma, 2); } return $string; } /*-------------------------------------- // Human readable file sizes from bytes --------------------------------------*/ function human_filesize($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[$factor]; } /*-------------------------------------- // Output and format dates in local time --------------------------------------*/ function the_date($format, $timestamp = null) { global $opts; $offset = preg_replace('/UTC\+?/i', '', $opts->timezone); if(empty($offset)) $offset = 0; if(is_null($timestamp) || !is_numeric($timestamp)) $timestamp = time(); $hours = (int) $offset; $minutes = ($offset - $hours); $sign = ($offset < 0) ? '-' : '+'; $abs_hour = abs($hours); $abs_mins = abs($minutes * 60); $datetime = date_create('@'.$timestamp); $datetime->setTimezone(new DateTimeZone(sprintf('%s%02d:%02d', $sign, $abs_hour, $abs_mins))); return $datetime->format($format); } /*-------------------------------------- // Turn a string size (600 MB) into bytes (int) --------------------------------------*/ function filesize_to_bytes($num) { preg_match('/(b|kb|mb|gb|tb|pb|eb|zb|yb)/', strtolower($num), $match); $num = floatval(preg_replace('/[^0-9.]+/', '', $num)); $match = $match[0]; if($match == 'kb') { $num = $num * 1024; } else if($match == 'mb') { $num = $num * pow(1024, 2); } else if($match == 'gb') { $num = $num * pow(1024, 3); } else if($match == 'tb') { $num = $num * pow(1024, 4); } else if($match == 'pb') { $num = $num * pow(1024, 5); } else if($match == 'eb') { $num = $num * pow(1024, 6); } else if($match == 'zb') { $num = $num * pow(1024, 7); } else if($match == 'yb') { $num = $num * pow(1024, 8); } else { $num = $num; } return intval($num); } /*-------------------------------------- // Generate random strings for passwords --------------------------------------*/ function string_generator($length, $separator) { $characters = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'; $password = array(); $rand = strlen($characters) - 1; for($i = 0; $i < $length; $i++) { $n = rand(0, $rand); $password[] = $characters[$n]; } if(!empty($separator)) { array_splice($password, 6, 0, $separator); array_splice($password, 13, 0, $separator); array_splice($password, 20, 0, $separator); } return implode($password); } ?>