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(Bing seems to be returning garbage results if they don't see certain parameters. This adds random bytes every request to the `rdrig` parameter. (a45ccad548)

Refactor Bing backend, fix paging, add did-you-mean/language/safe-search. Refactored the backend for Bing to (slightly) increase faster parsing. Also fixed the paging bugs (some copy-pasta broke it and went unnoticed on last commit). Added 'did you mean' support as well as language and safe-search (defaults to Bing default, 'Moderate'). (15e153ddd7)

Added `rdr=1` parameter to indicate redirected by JavaS**t.
(c42f135261)
This commit is contained in:
FbIN Support 2025-07-29 18:29:28 +05:30
commit 845b229312
1 changed files with 29 additions and 10 deletions
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39
engines/text/bing.php
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@ -6,12 +6,25 @@
$results_language = $this->opts->language;
$number_of_results = $this->opts->number_of_results;
// TODO figure out how to not autocorrect
$url = "https://www.bing.com/search?q=$query_encoded&first=" . ((10 * $this->page) + 1);
// NOTE Page(0,1)=1, Page(2)=9, Page(3+)=23..37..51..
if ($this->page <= 1)
$page = 1;
elseif($this->page == 2)
$page = 9;
else
$page = 9 + (($this->page - 2) * 14);
$url = "https://www.bing.com/search?q=$query_encoded&first=$page&rdr=1";
$randomBytes = strtoupper(bin2hex(random_bytes(16)));
$url = "https://www.bing.com/search?q=$query_encoded&first=$page&rdr=1&rdrig=$randomBytes";
// TODO language setting
if (!is_null($results_language))
$url .= "&lang=$results_language";
$url .= "&srchlang=$results_language";
// TODO Reconsider current safe-search implementation for granularity
// NOTE Possible values are strict, demote (moderate, default), off
if (isset($_COOKIE["safe_search"]))
$url .= "&adlt=demote";
return $url;
}
@ -23,8 +36,8 @@
if (!$xpath)
return $results;
foreach($xpath->query("//ol[@id='b_results']//li") as $result) {
$href_url = $xpath->evaluate(".//h2//a//@href", $result)[0];
foreach($xpath->query("//ol[@id='b_results']/li") as $result) {
$href_url = $xpath->evaluate(".//h2/a/@href", $result)[0];
if ($href_url == null)
continue;
@ -63,14 +76,14 @@
if (!empty($results) && array_key_exists("url", $results) && end($results)["url"] == $url->textContent)
continue;
$title = $xpath->evaluate(".//h2//a", $result)[0];
$title = $xpath->evaluate("./h2/a", $result)[0];
if ($title == null)
continue;
$title = $title->textContent;
$description = ($xpath->evaluate(".//div[contains(@class, 'b_caption')]//p", $result)[0] ?? null) ?->textContent ?? '';
$description = ($xpath->evaluate("./div[contains(@class, 'b_caption')]/p", $result)[0] ?? null) ?->textContent ?? '';
array_push($results,
array (
@ -83,10 +96,16 @@
htmlspecialchars($description)
)
);
}
$didyoumean = $xpath->evaluate("//ol[@id='b_results']/li/div[contains(@class, 'sp_requery')]/a/strong")[0] ?? null;
if (!is_null($didyoumean))
array_push($results, array(
"did_you_mean" => $didyoumean->textContent
));
return $results;
}
}
?>