92 lines
No EOL
3.3 KiB
PHP
92 lines
No EOL
3.3 KiB
PHP
<?php
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class BingSearchRequest extends EngineRequest {
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public function get_request_url() {
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$query_encoded = str_replace("%22", "\"", urlencode($this->query));
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$results_language = $this->opts->language;
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$number_of_results = $this->opts->number_of_results;
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// TODO figure out how to not autocorrect
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$url = "https://www.bing.com/search?q=$query_encoded&first=" . ((10 * $this->page) + 1);
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// TODO language setting
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if (!is_null($results_language))
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$url .= "&lang=$results_language";
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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)
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return $results;
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foreach($xpath->query("//ol[@id='b_results']//li") as $result) {
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$href_url = $xpath->evaluate(".//h2//a//@href", $result)[0];
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if ($href_url == null)
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continue;
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$possible_url = $href_url->textContent;
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$possible_url_query = parse_url($possible_url, PHP_URL_QUERY);
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if ($possible_url_query == false)
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continue;
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parse_str($possible_url_query, $possible_url);
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if (!array_key_exists('u', $possible_url))
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continue;
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$possible_url = $possible_url['u'];
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if (str_starts_with($possible_url, "a1aHR0c"))
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{
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// First two characters are irrelevant, strip for later
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$possible_url = substr($possible_url, 2);
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}
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if (str_starts_with($possible_url, "aHR0c"))
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{
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// Base64 "coded", extract and decode
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$possible_url = str_replace('-', '+', $possible_url);
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$possible_url = str_replace('_', '/', $possible_url);
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$url = urldecode(base64_decode($possible_url, true));
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} else
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$url = $possible_url;
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if (str_starts_with($url, "a1"))
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continue; // It's probably a Bing-relative link such as for video, skip it.
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if (!empty($results) && array_key_exists("url", $results) && end($results)["url"] == $url->textContent)
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continue;
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$title = $xpath->evaluate(".//h2//a", $result)[0];
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if ($title == null)
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continue;
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$title = $title->textContent;
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$description = ($xpath->evaluate(".//div[contains(@class, 'b_caption')]//p", $result)[0] ?? null) ?->textContent ?? '';
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array_push($results,
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array (
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"title" => htmlspecialchars($title),
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"url" => htmlspecialchars($url),
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// base_url is to be removed in the future, see #47
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"base_url" => htmlspecialchars(get_base_url($url)),
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"description" => $description == null ?
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TEXTS["result_no_description"] :
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htmlspecialchars($description)
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)
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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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