Binternet/api.php
Danii Saahir 3a0f6e24fb
Update api.php
1. Improved input handling using `filter_input` with `FILTER_SANITIZE_STRING`.
2. Enhanced error handling for invalid parameters and cURL errors.
2024-05-17 00:11:11 +08:00

81 lines
2.7 KiB
PHP

<?php
require "misc/tools.php";
$query = filter_input(INPUT_GET, 'q', FILTER_SANITIZE_STRING);
if (!$query) {
http_response_code(400);
echo json_encode(["error" => "Invalid query parameter."]);
exit;
}
$bookmark = isset($_GET["bookmark"]) ? urldecode($_GET["bookmark"]) : null;
$csrftoken = $_GET["csrftoken"]??null;
$url = "https://www.pinterest.com/resource/BaseSearchResource/get/";
class SearchResult {
public $images = [];
public $bookmark = null;
}
$header_function = function ($ch, $rawheader) use (&$csrftoken) {
$len = strlen($rawheader);
$header = explode(":", $rawheader, 2);
if (count($header) != 2) {
return $len;
}
if (trim($header[0]) != "set-cookie") {
return $len;
}
$cookie = explode(";", trim($header[1]), 2);
$cookie = explode("=", $cookie[0], 2);
if ($cookie[0] === "csrftoken") {
$csrftoken = $cookie[1];
}
return $len;
};
$prepare_search_curl_obj = function ($query, $bookmark) use ($url, $header_function, $csrftoken) {
$data_param_obj = ["options" => ["query" => $query]];
if ($bookmark !== null) {
$data_param_obj["options"]["bookmarks"] = [$bookmark];
}
$data_param = json_encode($data_param_obj);
$headers = [];
if ($csrftoken !== null) {
$headers[] = "x-csrftoken: $csrftoken";
$headers[] = "cookie: csrftoken=$csrftoken";
}
$finalurl = "$url?data=" . urlencode($data_param);
$ch = curl_init($finalurl);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADERFUNCTION, $header_function);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
if ($bookmark !== null) {
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, "data=" . urlencode($data_param));
}
return $ch;
};
$search = function ($query, $bookmark) use ($prepare_search_curl_obj) {
$ch = $prepare_search_curl_obj($query, $bookmark);
$response = curl_exec($ch);
if (curl_errno($ch)) {
http_response_code(500);
echo json_encode(["error" => curl_error($ch) ]);
curl_close($ch);
exit;
}
$data = json_decode($response);
curl_close($ch);
$result = new SearchResult();
if (isset($data->resource_response->data->results)) {
foreach ($data->resource_response->data->results as $item) {
if (isset($item->images->orig->url)) {
$result->images[] = $item->images->orig->url;
}
}
}
if (isset($data->resource_response->bookmark)) {
$result->bookmark = $data->resource_response->bookmark;
}
return $result;
};
$result = $search($query, $bookmark);
header("Content-Type: application/json");
echo json_encode($result);
?>