PHP を使用して Huawei Cloud に接続するための API 操作ガイド

function buildSignature($accessKey, $secretKey, $httpMethod, $urlPath, $queryParams, $bodyParams = array()){
    // 构建待签名的字符串
    $requestString =
        strtolower($httpMethod) . "
" .
        $urlPath . "
" .
        buildQueryString($queryParams) . "
" .
        buildQueryString($bodyParams);

    // 使用HMAC-SHA256算法计算签名
    $signature = base64_encode(hash_hmac('sha256', $requestString, $secretKey, true));

    // 将签名添加到请求头中
    $headers = array(
        "Authorization: HWS $accessKey:$signature"
    );

    return $headers;
}

function buildQueryString($params){
    $query = '';
    ksort($params);
    foreach ($params as $key => $value){
        $query .= urlencode($key) . '=' . urlencode($value) . '&';
    }
    return rtrim($query, '&');
}

function sendGetRequest($url, $queryParams){
    $ch = curl_init($url . '?' . buildQueryString($queryParams));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($ch);
    curl_close($ch);

    return $response;
}

function sendPostRequest($url, $queryParams, $bodyParams){
    $ch = curl_init($url . '?' . buildQueryString($queryParams));
    curl_setopt($ch, CURLOPT_POST, true);
    curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($bodyParams));
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    $response = curl_exec($ch);
    curl_close($ch);

    return $response;
}

$accessKey = "YOUR_ACCESS_KEY";
$secretKey = "YOUR_SECRET_KEY";
$obsEndpoint = "https://obs.example.com";
$bucketName = "your-bucket";
$objName = "your-object";

// 配置API请求参数
$urlPath = "/$bucketName/$objName";
$queryParams = array(
    "bucket-name" => $bucketName,
    "obj-name" => $objName
);
$headers = buildSignature($accessKey, $secretKey, "GET", $urlPath, $queryParams);

// 发送API请求
$response = sendGetRequest($obsEndpoint . $urlPath, $queryParams);
echo $response;