94 lines
3.5 KiB
PHP
94 lines
3.5 KiB
PHP
<?php
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/* ------------------------------------------------------------------------------------
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* Goosle - A meta search engine for private and fast internet fun.
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*
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* COPYRIGHT NOTICE
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* Copyright 2023-2024 Arnan de Gans. All Rights Reserved.
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*
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* COPYRIGHT NOTICES AND ALL THE COMMENTS SHOULD REMAIN INTACT.
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* By using this code you agree to indemnify Arnan de Gans from any
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* liability that might arise from its use.
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------------------------------------------------------------------------------------ */
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class DuckDuckGoRequest extends EngineRequest {
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public function get_request_url() {
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$results = array();
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// Split the query
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$query_terms = explode(" ", strtolower($this->query));
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// Safe search override
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$safe = "-1";
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if(strpos($query_terms[0], "safe") !== false) {
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$switch = explode(":", $query_terms[0]);
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if(!is_numeric($switch[1])) {
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$safe = ($switch[1] == "on") ? "1" : "-2";
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$this->query = implode(" ", array_slice($query_terms, 1));
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}
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}
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// q = query
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// kz = Instant answers (1 = on, -1 = off)
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// kc = Autoload images (1 = on, -1 = off)
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// kav = Autoload results (1 = on, -1 = off)
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// kf = Favicons (1 = on, -1 = off)
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// kaf = Full URLs (1 = on, -1 = off)
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// kac = Auto suggest (1 = on, -1 = off)
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// kd = Redirects (1 = on, -1 = off)
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// kh = HTTPS (1 = on, -1 = off)
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// kg = Get/Post (g = GET, p = POST)
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// kp = Safe search (1 = on, -1 = moderate, -2 = off (may include nsfw/illegal content))
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// k1 = Ads (1 = on, -1 = off)
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// More here: https://duckduckgo.com/duckduckgo-help-pages/settings/params/
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$args = array("q" => $this->query, "kz" => "-1", "kc" => "-1", "kav" => "-1", "kf" => "-1", "kaf" => "1", "kac" => "-1", "kd" => "-1", "kh" => "1", "kg" => "g", "kp" => $safe, "k1" => "-1");
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$url = "https://html.duckduckgo.com/html/?".http_build_query($args);
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unset($query_terms, $switch, $args, $safe);
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return $url;
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}
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public function parse_results($response) {
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$results = array();
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$xpath = get_xpath($response);
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if(!$xpath) return $results;
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$didyoumean = $xpath->query(".//div[@id='did_you_mean']/a[1]")[0];
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if(!is_null($didyoumean)) {
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array_push($results, array("did_you_mean" => $didyoumean->textContent));
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}
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$search_specific = $xpath->query(".//div[@id='did_you_mean']/a[2]")[0];
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if(!is_null($search_specific)) {
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array_push($results, array("search_specific" => $search_specific->textContent));
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}
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foreach($xpath->query("/html/body/div[1]/div[". count($xpath->query('/html/body/div[1]/div')) ."]/div/div/div[contains(@class, 'web-result')]/div") as $result) {
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$url = $xpath->evaluate(".//h2[@class='result__title']//a/@href", $result)[0];
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if($url == null) continue;
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if(!empty($results)) { // filter duplicate urls/results
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$result_urls = array_column($results, "url");
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if(in_array($url->textContent, $result_urls) || in_array(get_base_url($url->textContent), $result_urls)) continue;
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}
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$title = $xpath->evaluate(".//h2[@class='result__title']", $result)[0];
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if($title == null) continue;
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$description = $xpath->evaluate(".//a[@class='result__snippet']", $result)[0];
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array_push($results, array (
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"title" => htmlspecialchars($title->textContent),
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"url" => htmlspecialchars($url->textContent),
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"description" => $description == null ? 'No description was provided for this site.' : htmlspecialchars($description->textContent)
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));
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}
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return $results;
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}
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}
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?>
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