83 lines
3.0 KiB
PHP
83 lines
3.0 KiB
PHP
<?php
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class GoogleRequest 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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$results = array();
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$domain = $this->opts->google_domain;
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$results_language = $this->opts->language;
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$number_of_results = $this->opts->number_of_results;
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$url = "https://www.google.$domain/search?q=$query_encoded&nfpr=1&start=$this->page";
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if (3 > strlen($results_language) && 0 < strlen($results_language)) {
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$url .= "&lr=lang_$results_language";
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$url .= "&hl=$results_language";
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}
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if (3 > strlen($number_of_results) && 0 < strlen($number_of_results))
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$url .= "&num=$number_of_results";
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if (isset($_COOKIE["safe_search"]))
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$url .= "&safe=medium";
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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 $results;
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$didyoumean = $xpath->query(".//a[@class='gL9Hy']")[0];
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if (!is_null($didyoumean))
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array_push($results, array(
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"did_you_mean" => $didyoumean->textContent
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));
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foreach($xpath->query("//div[@id='search']//div[contains(@class, 'g')]") as $result) {
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$url = $xpath->evaluate(".//div[@class='yuRUbf']//a/@href", $result)[0];
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if ($url == null)
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continue;
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if (!empty($results)) // filter duplicate results, ignore special result
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{
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if (end($results)["url"] == $url->textContent)
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continue;
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}
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$url = $url->textContent;
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$title = $xpath->evaluate(".//h3", $result)[0];
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$description = $xpath->evaluate(".//div[contains(@class, 'VwiC3b')]", $result)[0];
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array_push($results,
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array (
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"title" => htmlspecialchars($title->textContent),
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"url" => htmlspecialchars($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" => $description == null ?
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"No description was provided for this site." :
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htmlspecialchars($description->textContent)
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)
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);
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}
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if (empty($results) && !str_contains($response, "Our systems have detected unusual traffic from your computer network.")) {
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$results["error"] = array(
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"message" => "There are no results. Please try different keywords!"
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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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