// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License.  You may obtain a copy of the License at

//

//   http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

#include "util/s3_util.h"

#include <aws/core/auth/AWSAuthSigner.h>

#include <aws/core/auth/AWSCredentials.h>

#include <aws/core/auth/AWSCredentialsProviderChain.h>

#include <aws/core/client/DefaultRetryStrategy.h>

#include <aws/core/utils/logging/LogLevel.h>

#include <aws/core/utils/logging/LogSystemInterface.h>

#include <aws/core/utils/memory/stl/AWSStringStream.h>

#include <aws/s3/S3Client.h>

#include "util/string_util.h"

#ifdef USE_AZURE

#include <azure/core/diagnostics/logger.hpp>

#include <azure/core/http/curl_transport.hpp>

#include <azure/storage/blobs/blob_container_client.hpp>

#endif

#include <cstdlib>

#include <filesystem>

#include <fstream>

#include <functional>

#include <memory>

#include <ostream>

#include <utility>

#include "common/config.h"

#include "common/logging.h"

#include "common/status.h"

#include "cpp/obj-client/auth/aws_credential_factory.h"

#ifdef USE_AZURE

#include "cpp/obj-client/auth/azure_auth_factory.h"

#include "cpp/obj-client/azure_obj_storage_client.h"

#endif

#include "cloud/config.h"

#include "cpp/aws_logger.h"

#include "cpp/obj-client/rate_limited_obj_storage_client.h"

#include "cpp/obj-client/s3_obj_storage_client.h"

#include "cpp/obj_retry_strategy.h"

#include "cpp/sync_point.h"

#include "cpp/util.h"

#include "exec/scan/scanner_scheduler.h"

#include "runtime/exec_env.h"

#include "util/s3_rate_limiter_manager.h"

#include "util/s3_uri.h"

namespace doris {

namespace {

doris::Status is_s3_conf_valid(const S3ClientConf& conf) {

    if (conf.endpoint.empty()) {

        return Status::InvalidArgument<false>("Invalid s3 conf, empty endpoint");

    }

    if (conf.region.empty()) {

        return Status::InvalidArgument<false>("Invalid s3 conf, empty region");

    }

    if (conf.role_arn.empty()) {

        // Allow anonymous access when both ak and sk are empty

        bool hasAk = !conf.ak.empty();

        bool hasSk = !conf.sk.empty();

        // Either both credentials are provided or both are empty (anonymous access)

        if (hasAk && conf.sk.empty()) {

            return Status::InvalidArgument<false>("Invalid s3 conf, empty sk");

        }

        if (hasSk && conf.ak.empty()) {

            return Status::InvalidArgument<false>("Invalid s3 conf, empty ak");

        }

    }

    return Status::OK();

}

ObjStorageResponse make_be_rate_limit_response(S3RateLimitType type,

                                               S3RateLimitRejectReason reason) {

    const auto* limit_type = reason == S3RateLimitRejectReason::QPS ? "QPS" : "bytes";

    // A local admission rejection is not an S3 HTTP 429. Keep the merged #65420 behavior so S3

    // readers do not retry it as provider throttling.

    return ObjStorageResponse::rate_limit(

            ErrorCode::EXCEEDED_LIMIT, 0,

            fmt::format("s3 {} request exceeds {} limit, rejected by BE rate limiter",

                        to_string(type), limit_type));

}

class BeObjStorageRateLimitPolicy final : public ObjStorageRateLimitPolicy {

public:

    ObjStorageAdmission acquire(S3RateLimitType type, size_t estimated_bytes) const override {

        auto guard = std::make_shared<S3RateLimitGuard>(type, estimated_bytes);

        if (!guard->ok()) {

            return ObjStorageAdmission {

                    .resp = make_be_rate_limit_response(type, guard->reject_reason()),

            };

        }

        return ObjStorageAdmission {

                .settle = [guard = std::move(guard)](

                                  size_t actual_bytes) { guard->settle(actual_bytes); },

        };

    }

};

// Return true is convert `str` to int successfully

bool to_int(std::string_view str, int& res) {

    auto [_, ec] = std::from_chars(str.data(), str.data() + str.size(), res);

    return ec == std::errc {};

}

#ifdef USE_AZURE

std::string env_or_empty(const char* env_name) {

    if (const char* value = std::getenv(env_name); value != nullptr) {

        return value;

    }

    return "";

}

std::string build_azure_tls_debug_context(const std::string& selected_ca_file) {

    bool selected_ca_exists = false;

    bool selected_ca_readable = false;

    if (!selected_ca_file.empty()) {

        std::error_code ec;

        selected_ca_exists = std::filesystem::exists(selected_ca_file, ec) && !ec;

        std::ifstream input(selected_ca_file);

        selected_ca_readable = input.good();

    }

    return fmt::format(

            "tls_debug(ca_cert_file_paths='{}', selected_ca_file='{}', selected_ca_exists={}, "

            "selected_ca_readable={}, SSL_CERT_FILE='{}', CURL_CA_BUNDLE='{}', SSL_CERT_DIR='{}')",

            config::ca_cert_file_paths, selected_ca_file, selected_ca_exists, selected_ca_readable,

            env_or_empty("SSL_CERT_FILE"), env_or_empty("CURL_CA_BUNDLE"),

            env_or_empty("SSL_CERT_DIR"));

}

#endif

constexpr char USE_PATH_STYLE[] = "use_path_style";

constexpr char AZURE_PROVIDER_STRING[] = "AZURE";

constexpr char S3_PROVIDER[] = "provider";

constexpr char S3_AK[] = "AWS_ACCESS_KEY";

constexpr char S3_SK[] = "AWS_SECRET_KEY";

constexpr char S3_ENDPOINT[] = "AWS_ENDPOINT";

constexpr char S3_REGION[] = "AWS_REGION";

constexpr char S3_TOKEN[] = "AWS_TOKEN";

constexpr char S3_MAX_CONN_SIZE[] = "AWS_MAX_CONNECTIONS";

constexpr char S3_REQUEST_TIMEOUT_MS[] = "AWS_REQUEST_TIMEOUT_MS";

constexpr char S3_CONN_TIMEOUT_MS[] = "AWS_CONNECTION_TIMEOUT_MS";

constexpr char S3_NEED_OVERRIDE_ENDPOINT[] = "AWS_NEED_OVERRIDE_ENDPOINT";

constexpr char S3_ROLE_ARN[] = "AWS_ROLE_ARN";

constexpr char S3_EXTERNAL_ID[] = "AWS_EXTERNAL_ID";

constexpr char S3_CREDENTIALS_PROVIDER_TYPE[] = "AWS_CREDENTIALS_PROVIDER_TYPE";

} // namespace

S3ClientFactory::S3ClientFactory() {

    _aws_options = Aws::SDKOptions {};

    auto logLevel = static_cast<Aws::Utils::Logging::LogLevel>(config::aws_log_level);

    _aws_options.loggingOptions.logLevel = logLevel;

    _aws_options.loggingOptions.logger_create_fn = [logLevel] {

        return std::make_shared<DorisAWSLogger>(logLevel);

    };

    Aws::InitAPI(_aws_options);

    _ca_cert_file_path = get_valid_ca_cert_path(doris::split(config::ca_cert_file_paths, ";"));

#ifdef USE_AZURE

    auto azureLogLevel =

            static_cast<Azure::Core::Diagnostics::Logger::Level>(config::azure_log_level);

    Azure::Core::Diagnostics::Logger::SetLevel(azureLogLevel);

    Azure::Core::Diagnostics::Logger::SetListener(

            [&](Azure::Core::Diagnostics::Logger::Level level, const std::string& message) {

                switch (level) {

                case Azure::Core::Diagnostics::Logger::Level::Verbose:

                    LOG(INFO) << message;

                    break;

                case Azure::Core::Diagnostics::Logger::Level::Informational:

                    LOG(INFO) << message;

                    break;

                case Azure::Core::Diagnostics::Logger::Level::Warning:

                    LOG(WARNING) << message;

                    break;

                case Azure::Core::Diagnostics::Logger::Level::Error:

                    LOG(ERROR) << message;

                    break;

                default:

                    LOG(WARNING) << "Unknown level: " << static_cast<int>(level)

                                 << ", message: " << message;

                    break;

                }

            });

#endif

}

S3ClientFactory::~S3ClientFactory() {

    Aws::ShutdownAPI(_aws_options);

}

S3ClientFactory& S3ClientFactory::instance() {

    static S3ClientFactory ret;

    return ret;

}

Result<std::shared_ptr<io::ObjStorageClient>> S3ClientFactory::create(const S3ClientConf& s3_conf) {

    RETURN_IF_ERROR_RESULT(is_s3_conf_valid(s3_conf));

#ifdef BE_TEST

    {

        std::lock_guard l(_lock);

        if (_test_client_creator) {

            return _test_client_creator(s3_conf);

        }

    }

#endif

    {

        std::lock_guard l(_lock);

        auto it = _cache.find(s3_conf);

        if (it != _cache.end()) {

            return it->second;

        }

    }

    auto client_result = (s3_conf.provider == io::ObjStorageProvider::AZURE)

                                 ? _create_azure_client(s3_conf)

                                 : _create_s3_client(s3_conf);

    if (!client_result.has_value()) {

        return ResultError(std::move(client_result).error());

    }

    auto obj_client = std::move(client_result).value();

    if (!config::is_cloud_mode() || s3_conf.is_internal_bucket) {

        obj_client = std::make_shared<io::RateLimitedObjStorageClient>(

                std::move(obj_client), std::make_shared<BeObjStorageRateLimitPolicy>());

    }

    {

        std::lock_guard l(_lock);

        auto [it, _] = _cache.emplace(s3_conf, std::move(obj_client));

        return it->second;

    }

}

#ifdef BE_TEST

void S3ClientFactory::set_client_creator_for_test(

        std::function<std::shared_ptr<io::ObjStorageClient>(const S3ClientConf&)> creator) {

    std::lock_guard l(_lock);

    _test_client_creator = std::move(creator);

}

void S3ClientFactory::clear_client_creator_for_test() {

    std::lock_guard l(_lock);

    _test_client_creator = nullptr;

}

#endif

Result<std::shared_ptr<io::ObjStorageClient>> S3ClientFactory::_create_azure_client(

        const S3ClientConf& s3_conf) {

#ifdef USE_AZURE

    const std::string container_name = s3_conf.bucket;

    std::string uri = fmt::format("{}/{}", s3_conf.endpoint, container_name);

    if (s3_conf.endpoint.find("://") == std::string::npos) {

        uri = "https://" + uri;

    }

    Azure::Storage::Blobs::BlobClientOptions options;

    options.Retry.StatusCodes.insert(Azure::Core::Http::HttpStatusCode::TooManyRequests);

    options.Retry.MaxRetries = config::max_s3_client_retry;

    options.PerRetryPolicies.emplace_back(std::make_unique<AzureRetryRecordPolicy>());

    if (_ca_cert_file_path.empty()) {

        _ca_cert_file_path = get_valid_ca_cert_path(doris::split(config::ca_cert_file_paths, ";"));

    }

    if (!_ca_cert_file_path.empty()) {

        Azure::Core::Http::CurlTransportOptions curl_options;

        curl_options.CAInfo = _ca_cert_file_path;

        options.Transport.Transport =

                std::make_shared<Azure::Core::Http::CurlTransport>(std::move(curl_options));

    }

    std::string normalized_uri = normalize_http_uri(uri);

    VLOG_DEBUG << "uri:" << uri << ", normalized_uri:" << normalized_uri;

    std::string tls_debug_context = build_azure_tls_debug_context(_ca_cert_file_path);

    auto built = AzureAuthFactory::create(uri,

                                          {

                                                  .type = AzureCredentialType::SHARED_KEY,

                                                  .account_name = s3_conf.ak,

                                                  .account_key = s3_conf.sk,

                                          },

                                          std::move(options));

    if (!built) {

        return ResultError(

                Status::InvalidArgument("failed to create Azure client: {}", built.error));

    }

    LOG_INFO("create one azure client with {}", s3_conf.to_string());

    return std::make_shared<io::AzureObjStorageClient>(

            std::move(built.container_client),

            ObjStorageEndpointInfo {

                    .endpoint = s3_conf.endpoint,

                    .ak = s3_conf.ak,

                    .sk = s3_conf.sk,

                    .tls_debug_context = std::move(tls_debug_context),

            },

            std::move(built.shared_key_credential));

#else

    return ResultError(Status::NotSupported(

            "BE is not compiled with azure support, export BUILD_AZURE=ON before building"));

#endif

}

AwsCredentialResult S3ClientFactory::create_aws_credentials_provider(const S3ClientConf& s3_conf) {

    auto sts_config = S3ClientFactory::getClientConfiguration();

    if (!_ca_cert_file_path.empty()) {

        sts_config.caFile = _ca_cert_file_path;

    }

    return AwsCredentialFactory::create({

            .version = config::aws_credentials_provider_version == "v2"

                               ? AwsCredentialProviderVersion::V2

                               : AwsCredentialProviderVersion::V1,

            .access_key = s3_conf.ak,

            .secret_key = s3_conf.sk,

            .session_token = s3_conf.token,

            .provider_type = s3_conf.cred_provider_type,

            .role_arn = s3_conf.role_arn,

            .external_id = s3_conf.external_id,

            .empty_credentials = EmptyCredentialsBehavior::ANONYMOUS,

            .sts_client_config = std::move(sts_config),

    });

}

Result<std::shared_ptr<io::ObjStorageClient>> S3ClientFactory::_create_s3_client(

        const S3ClientConf& s3_conf) {

    TEST_SYNC_POINT_RETURN_WITH_VALUE(

            "s3_client_factory::create",

            std::make_shared<io::S3ObjStorageClient>(std::make_shared<Aws::S3::S3Client>(),

                                                     ObjStorageEndpointInfo {}));

    Aws::Client::ClientConfiguration aws_config = S3ClientFactory::getClientConfiguration();

    if (s3_conf.need_override_endpoint) {

        aws_config.endpointOverride = s3_conf.endpoint;

    }

    aws_config.region = s3_conf.region;

    if (_ca_cert_file_path.empty()) {

        _ca_cert_file_path = get_valid_ca_cert_path(doris::split(config::ca_cert_file_paths, ";"));

    }

    if (!_ca_cert_file_path.empty()) {

        aws_config.caFile = _ca_cert_file_path;

    }

    if (s3_conf.max_connections > 0) {

        aws_config.maxConnections = s3_conf.max_connections;

    } else {

        aws_config.maxConnections = 102400;

    }

    aws_config.requestTimeoutMs = 30000;

    if (s3_conf.request_timeout_ms > 0) {

        aws_config.requestTimeoutMs = s3_conf.request_timeout_ms;

    }

    if (s3_conf.connect_timeout_ms > 0) {

        aws_config.connectTimeoutMs = s3_conf.connect_timeout_ms;

    }

    set_s3_client_default_http_scheme(aws_config, config::s3_client_http_scheme);

    aws_config.retryStrategy = std::make_shared<S3CustomRetryStrategy>(

            config::max_s3_client_retry /*scaleFactor = 25*/, /*retry_slow_down=*/true);

    auto credentials = create_aws_credentials_provider(s3_conf);

    if (!credentials) {

        return ResultError(Status::InvalidArgument("failed to create AWS credential provider: {}",

                                                   credentials.error));

    }

    std::shared_ptr<Aws::S3::S3Client> new_client = std::make_shared<Aws::S3::S3Client>(

            std::move(credentials.provider), std::move(aws_config),

            Aws::Client::AWSAuthV4Signer::PayloadSigningPolicy::Never,

            s3_conf.use_virtual_addressing);

    auto provider_client = std::make_shared<io::S3ObjStorageClient>(

            std::move(new_client), ObjStorageEndpointInfo {

                                           .endpoint = s3_conf.endpoint,

                                           .ak = s3_conf.ak,

                                           .sk = s3_conf.sk,

                                   });

    LOG_INFO("create one s3 client with {}", s3_conf.to_string());

    return provider_client;

}

Status S3ClientFactory::convert_properties_to_s3_conf(

        const std::map<std::string, std::string>& prop, const S3URI& s3_uri, S3Conf* s3_conf) {

    StringCaseMap<std::string> properties(prop.begin(), prop.end());

    if (auto it = properties.find(S3_AK); it != properties.end()) {

        s3_conf->client_conf.ak = it->second;

    }

    if (auto it = properties.find(S3_SK); it != properties.end()) {

        s3_conf->client_conf.sk = it->second;

    }

    if (auto it = properties.find(S3_TOKEN); it != properties.end()) {

        s3_conf->client_conf.token = it->second;

    }

    if (auto it = properties.find(S3_ENDPOINT); it != properties.end()) {

        s3_conf->client_conf.endpoint = it->second;

    }

    if (auto it = properties.find(S3_NEED_OVERRIDE_ENDPOINT); it != properties.end()) {

        s3_conf->client_conf.need_override_endpoint = (it->second == "true");

    }

    if (auto it = properties.find(S3_REGION); it != properties.end()) {

        s3_conf->client_conf.region = it->second;

    }

    if (auto it = properties.find(S3_MAX_CONN_SIZE); it != properties.end()) {

        if (!to_int(it->second, s3_conf->client_conf.max_connections)) {

            return Status::InvalidArgument("invalid {} value \"{}\"", S3_MAX_CONN_SIZE, it->second);

        }

    }

    if (auto it = properties.find(S3_REQUEST_TIMEOUT_MS); it != properties.end()) {

        if (!to_int(it->second, s3_conf->client_conf.request_timeout_ms)) {

            return Status::InvalidArgument("invalid {} value \"{}\"", S3_REQUEST_TIMEOUT_MS,

                                           it->second);

        }

    }

    if (auto it = properties.find(S3_CONN_TIMEOUT_MS); it != properties.end()) {

        if (!to_int(it->second, s3_conf->client_conf.connect_timeout_ms)) {

            return Status::InvalidArgument("invalid {} value \"{}\"", S3_CONN_TIMEOUT_MS,

                                           it->second);

        }

    }

    if (auto it = properties.find(S3_PROVIDER); it != properties.end()) {

        // S3 Provider properties should be case insensitive.

        if (0 == strcasecmp(it->second.c_str(), AZURE_PROVIDER_STRING)) {

            s3_conf->client_conf.provider = io::ObjStorageProvider::AZURE;

        }

    }

    if (s3_uri.get_bucket().empty()) {

        return Status::InvalidArgument("Invalid S3 URI {}, bucket is not specified",

                                       s3_uri.to_string());

    }

    s3_conf->bucket = s3_uri.get_bucket();

    // For azure's compatibility

    s3_conf->client_conf.bucket = s3_uri.get_bucket();

    s3_conf->prefix = "";

    // See https://sdk.amazonaws.com/cpp/api/LATEST/class_aws_1_1_s3_1_1_s3_client.html

    s3_conf->client_conf.use_virtual_addressing = true;

    if (auto it = properties.find(USE_PATH_STYLE); it != properties.end()) {

        s3_conf->client_conf.use_virtual_addressing = it->second != "true";

    }

    if (auto it = properties.find(S3_ROLE_ARN); it != properties.end()) {

        // Keep provider type as Default unless explicitly configured by

        // AWS_CREDENTIALS_PROVIDER_TYPE, consistent with FE behavior.

        s3_conf->client_conf.role_arn = it->second;

    }

    if (auto it = properties.find(S3_EXTERNAL_ID); it != properties.end()) {

        s3_conf->client_conf.external_id = it->second;

    }

    if (auto it = properties.find(S3_CREDENTIALS_PROVIDER_TYPE); it != properties.end()) {

        s3_conf->client_conf.cred_provider_type = cred_provider_type_from_string(it->second);

    }

    if (auto st = is_s3_conf_valid(s3_conf->client_conf); !st.ok()) {

        return st;

    }

    return Status::OK();

}

static CredProviderType cred_provider_type_from_thrift(TCredProviderType::type cred_provider_type) {

    switch (cred_provider_type) {

    case TCredProviderType::DEFAULT:

        return CredProviderType::Default;

    case TCredProviderType::SIMPLE:

        return CredProviderType::Simple;

    case TCredProviderType::INSTANCE_PROFILE:

        return CredProviderType::InstanceProfile;

    case TCredProviderType::ENV:

        return CredProviderType::Env;

    case TCredProviderType::SYSTEM_PROPERTIES:

        return CredProviderType::SystemProperties;

    case TCredProviderType::WEB_IDENTITY:

        return CredProviderType::WebIdentity;

    case TCredProviderType::CONTAINER:

        return CredProviderType::Container;

    case TCredProviderType::ANONYMOUS:

        return CredProviderType::Anonymous;

    default:

        __builtin_unreachable();

        LOG(WARNING) << "Invalid TCredProviderType value: " << cred_provider_type

                     << ", use default instead.";

        return CredProviderType::Default;

    }

}

S3Conf S3Conf::get_s3_conf(const cloud::ObjectStoreInfoPB& info) {

    S3Conf ret {

            .bucket = info.bucket(),

            .prefix = info.prefix(),

            .client_conf {

                    .endpoint = info.endpoint(),

                    .region = info.region(),

                    .ak = info.ak(),

                    .sk = info.sk(),

                    .token = {},

                    .bucket = info.bucket(),

                    .provider = io::ObjStorageProvider::AWS,

                    .use_virtual_addressing =

                            info.has_use_path_style() ? !info.use_path_style() : true,

                    .role_arn = info.role_arn(),

                    .external_id = info.external_id(),

                    // ObjectStoreInfoPB always describes a storage vault, i.e. a Doris

                    // internal bucket in cloud mode.

                    .is_internal_bucket = true,

            },

            .sse_enabled = info.sse_enabled(),

    };

    if (info.has_cred_provider_type()) {

        ret.client_conf.cred_provider_type = cred_provider_type_from_pb(info.cred_provider_type());

    }

    io::ObjStorageProvider type = io::ObjStorageProvider::AWS;

    switch (info.provider()) {

    case cloud::ObjectStoreInfoPB_Provider_OSS:

        type = io::ObjStorageProvider::OSS;

        break;

    case cloud::ObjectStoreInfoPB_Provider_S3:

        type = io::ObjStorageProvider::AWS;

        break;

    case cloud::ObjectStoreInfoPB_Provider_COS:

        type = io::ObjStorageProvider::COS;

        break;

    case cloud::ObjectStoreInfoPB_Provider_OBS:

        type = io::ObjStorageProvider::OBS;

        break;

    case cloud::ObjectStoreInfoPB_Provider_BOS:

        type = io::ObjStorageProvider::BOS;

        break;

    case cloud::ObjectStoreInfoPB_Provider_GCP:

        type = io::ObjStorageProvider::GCP;

        break;

    case cloud::ObjectStoreInfoPB_Provider_AZURE:

        type = io::ObjStorageProvider::AZURE;

        break;

    case cloud::ObjectStoreInfoPB_Provider_TOS:

        type = io::ObjStorageProvider::TOS;

        break;

    default:

        __builtin_unreachable();

        LOG_FATAL("unknown provider type {}, info {}", info.provider(), ret.to_string());

    }

    ret.client_conf.provider = type;

    return ret;

}

S3Conf S3Conf::get_s3_conf(const TS3StorageParam& param) {

    S3Conf ret {

            .bucket = param.bucket,

            .prefix = param.root_path,

            .client_conf = {

                    .endpoint = param.endpoint,

                    .region = param.region,

                    .ak = param.ak,

                    .sk = param.sk,

                    .token = param.token,

                    .bucket = param.bucket,

                    .provider = io::ObjStorageProvider::AWS,

                    .max_connections = param.max_conn,

                    .request_timeout_ms = param.request_timeout_ms,

                    .connect_timeout_ms = param.conn_timeout_ms,

                    // When using cold heat separation in minio, user might use ip address directly,

                    // which needs enable use_virtual_addressing to true

                    .use_virtual_addressing = !param.use_path_style,

                    .role_arn = param.role_arn,

                    .external_id = param.external_id,

            }};

    if (param.__isset.cred_provider_type) {

        ret.client_conf.cred_provider_type =

                cred_provider_type_from_thrift(param.cred_provider_type);

    }

    io::ObjStorageProvider type = io::ObjStorageProvider::AWS;

    switch (param.provider) {

    case TObjStorageType::UNKNOWN:

        LOG_INFO("Receive one legal storage resource, set provider type to aws, param detail {}",

                 ret.to_string());

        type = io::ObjStorageProvider::AWS;

        break;

    case TObjStorageType::AWS:

        type = io::ObjStorageProvider::AWS;

        break;

    case TObjStorageType::AZURE:

        type = io::ObjStorageProvider::AZURE;

        break;

    case TObjStorageType::BOS:

        type = io::ObjStorageProvider::BOS;

        break;

    case TObjStorageType::COS:

        type = io::ObjStorageProvider::COS;

        break;

    case TObjStorageType::OBS:

        type = io::ObjStorageProvider::OBS;

        break;

    case TObjStorageType::OSS:

        type = io::ObjStorageProvider::OSS;

        break;

    case TObjStorageType::GCP:

        type = io::ObjStorageProvider::GCP;

        break;

    case TObjStorageType::TOS:

        type = io::ObjStorageProvider::TOS;

        break;

    default:

        LOG_FATAL("unknown provider type {}, info {}", param.provider, ret.to_string());

        __builtin_unreachable();

    }

    ret.client_conf.provider = type;

    return ret;

}

std::string hide_access_key(const std::string& ak) {

    std::string key = ak;

    size_t key_len = key.length();

    size_t reserved_count;

    if (key_len > 7) {

        reserved_count = 6;

    } else if (key_len > 2) {

        reserved_count = key_len - 2;

    } else {

        reserved_count = 0;

    }

    size_t x_count = key_len - reserved_count;

    size_t left_x_count = (x_count + 1) / 2;

    if (left_x_count > 0) {

        key.replace(0, left_x_count, left_x_count, 'x');

    }

    if (x_count - left_x_count > 0) {

        key.replace(key_len - (x_count - left_x_count), x_count - left_x_count,

                    x_count - left_x_count, 'x');

    }

    return key;

}

} // end namespace doris