link.cpp

//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/telegram/LinkManager.h"

#include "td/telegram/MessageEntity.h"
#include "td/telegram/td_api.h"

#include "td/utils/common.h"
#include "td/utils/logging.h"
#include "td/utils/misc.h"
#include "td/utils/tests.h"

static void check_find_urls(const td::string &url, bool is_valid) {
  auto url_lower = td::to_lower(url);
  {
    auto tg_urls = td::find_tg_urls(url);
    if (is_valid && (td::begins_with(url_lower, "tg://") || td::begins_with(url_lower, "ton://"))) {
      ASSERT_EQ(1u, tg_urls.size());
      ASSERT_STREQ(url, tg_urls[0]);
    } else {
      ASSERT_TRUE(tg_urls.empty() || tg_urls[0] != url);
    }
  }

  {
    if (is_valid && (td::begins_with(url_lower, "http") || td::begins_with(url_lower, "t.me")) &&
        url.find('.') != td::string::npos && url.find(' ') == td::string::npos && url != "http://.." &&
        url.find("ra.ph") == td::string::npos && url.find("Aph") == td::string::npos) {
      auto urls = td::find_urls(url);
      ASSERT_EQ(1u, urls.size());
      ASSERT_STREQ(url, urls[0].first);
    }
  }
}

static void check_link(const td::string &url, const td::string &expected) {
  auto result = td::LinkManager::check_link(url);
  if (result.is_ok()) {
    ASSERT_STREQ(expected, result.ok());
  } else {
    ASSERT_TRUE(expected.empty());
  }

  check_find_urls(url, result.is_ok());
}

TEST(Link, check_link) {
  check_link("sftp://google.com", "");
  check_link("tg://google_com", "tg://google_com/");
  check_link("tOn://google", "ton://google/");
  check_link("httP://google.com?1#tes", "http://google.com/?1#tes");
  check_link("httPs://google.com/?1#tes", "https://google.com/?1#tes");
  check_link("http://google.com:0", "");
  check_link("http://google.com:0000000001", "http://google.com:1/");
  check_link("http://google.com:-1", "");
  check_link("tg://google?1#tes", "tg://google?1#tes");
  check_link("tg://google/?1#tes", "tg://google?1#tes");
  check_link("TG:_", "tg://_/");
  check_link("sftp://google.com", "");
  check_link("sftp://google.com", "");
  check_link("http:google.com", "");
  check_link("tg://http://google.com", "");
  check_link("tg:http://google.com", "");
  check_link("tg:https://google.com", "");
  check_link("tg:test@google.com", "");
  check_link("tg:google.com:80", "");
  check_link("tg:google-com", "tg://google-com/");
  check_link("tg:google.com", "");
  check_link("tg:google.com:0", "");
  check_link("tg:google.com:a", "");
  check_link("tg:[2001:db8:0:0:0:ff00:42:8329]", "");
  check_link("tg:127.0.0.1", "");
  check_link("http://[2001:db8:0:0:0:ff00:42:8329]", "http://[2001:db8:0:0:0:ff00:42:8329]/");
  check_link("http://localhost", "");
  check_link("http://..", "http://../");
  check_link("..", "http://../");
  check_link("https://.", "");
}

static td::td_api::object_ptr<td::td_api::InternalLinkType> get_internal_link_type_object(
    const td::unique_ptr<td::LinkManager::InternalLink> &link) {
  auto object = link->get_internal_link_type_object();
  if (object->get_id() == td::td_api::internalLinkTypeMessageDraft::ID) {
    static_cast<td::td_api::internalLinkTypeMessageDraft *>(object.get())->text_->entities_.clear();
  }
  return object;
}

static void parse_internal_link(const td::string &url, td::td_api::object_ptr<td::td_api::InternalLinkType> expected) {
  auto result = td::LinkManager::parse_internal_link(url);
  if (result != nullptr) {
    auto object = get_internal_link_type_object(result);
    ASSERT_STREQ(url + ' ' + to_string(expected), url + ' ' + to_string(object));

    for (auto is_internal : {true, false}) {
      if (!is_internal && expected->get_id() == td::td_api::internalLinkTypeMessage::ID) {
        // external message links must be generated with getMessageLink
        continue;
      }
      if (expected->get_id() == td::td_api::internalLinkTypeQrCodeAuthentication::ID) {
        // QR code authentication links must never be generated manually
        continue;
      }
      auto r_link = td::LinkManager::get_internal_link(expected, is_internal);
      if (r_link.is_error()) {
        if (r_link.error().message() == "HTTP link is unavailable for the link type") {
          // some links are tg-only
          continue;
        }
        if (r_link.error().message() == "Deep link is unavailable for the link type") {
          // some links are HTTP-only
          continue;
        }
        if (r_link.error().message() == "WALLPAPER_INVALID") {
          continue;
        }
        LOG(ERROR) << url << ' ' << r_link.error() << ' ' << to_string(expected);
        ASSERT_TRUE(r_link.is_ok());
      }
      auto new_result = td::LinkManager::parse_internal_link(r_link.ok());
      ASSERT_TRUE(new_result != nullptr);
      auto new_object = get_internal_link_type_object(new_result);

      auto new_object_str = to_string(new_object);
      auto expected_str = to_string(expected);
      if (expected->get_id() == td::td_api::internalLinkTypeBackground::ID) {
        for (auto &c : expected_str) {
          if (c == '~') {
            // getInternalLink always use '-'
            c = '-';
          }
        }
        if (new_object_str != expected_str && td::ends_with(expected_str, "\"\n}\n")) {
          // getInternalLink always adds rotation parameter, because default value differs between apps
          expected_str = expected_str.substr(0, expected_str.size() - 4) + "?rotation=0\"\n}\n";
        }
      }
      ASSERT_EQ(new_object_str, expected_str);

      r_link = td::LinkManager::get_internal_link(new_object, is_internal);
      ASSERT_TRUE(r_link.is_ok());
      new_result = td::LinkManager::parse_internal_link(r_link.ok());
      ASSERT_TRUE(new_result != nullptr);

      // the object must be the same after 2 round of conversion
      ASSERT_STREQ(to_string(new_object), to_string(get_internal_link_type_object(new_result)));
    }
  } else {
    LOG_IF(ERROR, expected != nullptr) << url;
    ASSERT_TRUE(expected == nullptr);
  }

  check_find_urls(url, result != nullptr);
}

TEST(Link, parse_internal_link) {
  auto chat_administrator_rights = [](bool can_manage_chat, bool can_change_info, bool can_post_messages,
                                      bool can_edit_messages, bool can_delete_messages, bool can_invite_users,
                                      bool can_restrict_members, bool can_pin_messages, bool can_manage_topics,
                                      bool can_promote_members, bool can_manage_video_chats, bool is_anonymous) {
    return td::td_api::make_object<td::td_api::chatAdministratorRights>(
        can_manage_chat, can_change_info, can_post_messages, can_edit_messages, can_delete_messages, can_invite_users,
        can_restrict_members, can_pin_messages, can_manage_topics, can_promote_members, can_manage_video_chats,
        is_anonymous);
  };
  auto target_chat_chosen = [](bool allow_users, bool allow_bots, bool allow_groups, bool allow_channels) {
    return td::td_api::make_object<td::td_api::targetChatChosen>(allow_users, allow_bots, allow_groups, allow_channels);
  };

  auto active_sessions = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeActiveSessions>();
  };
  auto attachment_menu_bot = [](td::td_api::object_ptr<td::td_api::targetChatChosen> chat_types,
                                td::td_api::object_ptr<td::td_api::InternalLinkType> chat_link,
                                const td::string &bot_username, const td::string &start_parameter) {
    td::td_api::object_ptr<td::td_api::TargetChat> target_chat;
    if (chat_link != nullptr) {
      target_chat = td::td_api::make_object<td::td_api::targetChatInternalLink>(std::move(chat_link));
    } else if (chat_types != nullptr) {
      target_chat = std::move(chat_types);
    } else {
      target_chat = td::td_api::make_object<td::td_api::targetChatCurrent>();
    }
    return td::td_api::make_object<td::td_api::internalLinkTypeAttachmentMenuBot>(
        std::move(target_chat), bot_username, start_parameter.empty() ? td::string() : "start://" + start_parameter);
  };
  auto authentication_code = [](const td::string &code) {
    return td::td_api::make_object<td::td_api::internalLinkTypeAuthenticationCode>(code);
  };
  auto background = [](const td::string &background_name) {
    return td::td_api::make_object<td::td_api::internalLinkTypeBackground>(background_name);
  };
  auto bot_add_to_channel = [](const td::string &bot_username,
                               td::td_api::object_ptr<td::td_api::chatAdministratorRights> &&administrator_rights) {
    return td::td_api::make_object<td::td_api::internalLinkTypeBotAddToChannel>(bot_username,
                                                                                std::move(administrator_rights));
  };
  auto bot_start = [](const td::string &bot_username, const td::string &start_parameter) {
    return td::td_api::make_object<td::td_api::internalLinkTypeBotStart>(bot_username, start_parameter, false);
  };
  auto bot_start_in_group = [](const td::string &bot_username, const td::string &start_parameter,
                               td::td_api::object_ptr<td::td_api::chatAdministratorRights> &&administrator_rights) {
    return td::td_api::make_object<td::td_api::internalLinkTypeBotStartInGroup>(bot_username, start_parameter,
                                                                                std::move(administrator_rights));
  };
  auto change_phone_number = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeChangePhoneNumber>();
  };
  auto chat_invite = [](const td::string &hash) {
    return td::td_api::make_object<td::td_api::internalLinkTypeChatInvite>("tg:join?invite=" + hash);
  };
  auto default_message_auto_delete_timer_settings = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeDefaultMessageAutoDeleteTimerSettings>();
  };
  auto edit_profile_settings = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeEditProfileSettings>();
  };
  auto filter_settings = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeFilterSettings>();
  };
  auto game = [](const td::string &bot_username, const td::string &game_short_name) {
    return td::td_api::make_object<td::td_api::internalLinkTypeGame>(bot_username, game_short_name);
  };
  auto instant_view = [](const td::string &url, const td::string &fallback_url) {
    return td::td_api::make_object<td::td_api::internalLinkTypeInstantView>(url, fallback_url);
  };
  auto invoice = [](const td::string &invoice_name) {
    return td::td_api::make_object<td::td_api::internalLinkTypeInvoice>(invoice_name);
  };
  auto language_pack = [](const td::string &language_pack_name) {
    return td::td_api::make_object<td::td_api::internalLinkTypeLanguagePack>(language_pack_name);
  };
  auto language_settings = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeLanguageSettings>();
  };
  auto message = [](const td::string &url) {
    return td::td_api::make_object<td::td_api::internalLinkTypeMessage>(url);
  };
  auto message_draft = [](td::string text, bool contains_url) {
    auto formatted_text = td::td_api::make_object<td::td_api::formattedText>();
    formatted_text->text_ = std::move(text);
    return td::td_api::make_object<td::td_api::internalLinkTypeMessageDraft>(std::move(formatted_text), contains_url);
  };
  auto passport_data_request = [](td::int32 bot_user_id, const td::string &scope, const td::string &public_key,
                                  const td::string &nonce, const td::string &callback_url) {
    return td::td_api::make_object<td::td_api::internalLinkTypePassportDataRequest>(bot_user_id, scope, public_key,
                                                                                    nonce, callback_url);
  };
  auto phone_number_confirmation = [](const td::string &hash, const td::string &phone_number) {
    return td::td_api::make_object<td::td_api::internalLinkTypePhoneNumberConfirmation>(hash, phone_number);
  };
  auto premium_features = [](const td::string &referrer) {
    return td::td_api::make_object<td::td_api::internalLinkTypePremiumFeatures>(referrer);
  };
  auto privacy_and_security_settings = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypePrivacyAndSecuritySettings>();
  };
  auto proxy_mtproto = [](const td::string &server, td::int32 port, const td::string &secret) {
    return td::td_api::make_object<td::td_api::internalLinkTypeProxy>(
        server, port, td::td_api::make_object<td::td_api::proxyTypeMtproto>(secret));
  };
  auto proxy_socks = [](const td::string &server, td::int32 port, const td::string &username,
                        const td::string &password) {
    return td::td_api::make_object<td::td_api::internalLinkTypeProxy>(
        server, port, td::td_api::make_object<td::td_api::proxyTypeSocks5>(username, password));
  };
  auto public_chat = [](const td::string &chat_username) {
    return td::td_api::make_object<td::td_api::internalLinkTypePublicChat>(chat_username);
  };
  auto qr_code_authentication = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeQrCodeAuthentication>();
  };
  auto restore_purchases = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeRestorePurchases>();
  };
  auto settings = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeSettings>();
  };
  auto sticker_set = [](const td::string &sticker_set_name, bool expect_custom_emoji) {
    return td::td_api::make_object<td::td_api::internalLinkTypeStickerSet>(sticker_set_name, expect_custom_emoji);
  };
  auto theme = [](const td::string &theme_name) {
    return td::td_api::make_object<td::td_api::internalLinkTypeTheme>(theme_name);
  };
  auto theme_settings = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeThemeSettings>();
  };
  auto unknown_deep_link = [](const td::string &link) {
    return td::td_api::make_object<td::td_api::internalLinkTypeUnknownDeepLink>(link);
  };
  auto unsupported_proxy = [] {
    return td::td_api::make_object<td::td_api::internalLinkTypeUnsupportedProxy>();
  };
  auto user_phone_number = [](const td::string &phone_number) {
    return td::td_api::make_object<td::td_api::internalLinkTypeUserPhoneNumber>(phone_number);
  };
  auto user_token = [](const td::string &token) {
    return td::td_api::make_object<td::td_api::internalLinkTypeUserToken>(token);
  };
  auto video_chat = [](const td::string &chat_username, const td::string &invite_hash, bool is_live_stream) {
    return td::td_api::make_object<td::td_api::internalLinkTypeVideoChat>(chat_username, invite_hash, is_live_stream);
  };
  auto web_app = [](const td::string &bot_username, const td::string &web_app_short_name,
                    const td::string &start_parameter) {
    return td::td_api::make_object<td::td_api::internalLinkTypeWebApp>(bot_username, web_app_short_name,
                                                                       start_parameter);
  };

  parse_internal_link("t.me/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("telegram.me/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("telegram.dog/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("www.t.me/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("www%2etelegram.me/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("www%2Etelegram.dog/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("www%252Etelegram.dog/levlam/1", nullptr);
  parse_internal_link("www.t.me/s/s/s/s/s/joinchat/1", nullptr);
  parse_internal_link("www.t.me/s/s/s/s/s/joinchat/a", chat_invite("a"));
  parse_internal_link("www.t.me/s/%73/%73/s/%73/joinchat/a", chat_invite("a"));
  parse_internal_link("http://t.me/s/s/s/s/s/s/s/s/s/s/s/s/s/s/s/s/s/joinchat/a", chat_invite("a"));
  parse_internal_link("http://t.me/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("https://t.me/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("hTtp://www.t.me:443/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("httPs://t.me:80/levlam/1", message("tg://resolve?domain=levlam&post=1"));
  parse_internal_link("https://t.me:200/levlam/1", nullptr);
  parse_internal_link("http:t.me/levlam/1", nullptr);
  parse_internal_link("t.dog/levlam/1", nullptr);
  parse_internal_link("t.m/levlam/1", nullptr);
  parse_internal_link("t.men/levlam/1", nullptr);

  parse_internal_link("tg:resolve?domain=username&post=12345&single",
                      message("tg://resolve?domain=username&post=12345&single"));
  parse_internal_link("tg:resolve?domain=username&post=12345&single&startattach=1&attach=test",
                      message("tg://resolve?domain=username&post=12345&single"));
  parse_internal_link("tg:resolve?domain=user%31name&post=%312345&single&comment=456&t=789&single&thread=123%20%31",
                      message("tg://resolve?domain=user1name&post=12345&single&thread=123%201&comment=456&t=789"));
  parse_internal_link("TG://resolve?domain=username&post=12345&single&voicechat=aasd",
                      message("tg://resolve?domain=username&post=12345&single"));
  parse_internal_link("TG://test@resolve?domain=username&post=12345&single", nullptr);
  parse_internal_link("tg:resolve:80?domain=username&post=12345&single", nullptr);
  parse_internal_link("tg:http://resolve?domain=username&post=12345&single", nullptr);
  parse_internal_link("tg:https://resolve?domain=username&post=12345&single", nullptr);
  parse_internal_link("tg:resolve?domain=&post=12345&single",
                      unknown_deep_link("tg://resolve?domain=&post=12345&single"));
  parse_internal_link("tg:resolve?domain=telegram&post=&single", public_chat("telegram"));
  parse_internal_link("tg:resolve?domain=123456&post=&single",
                      unknown_deep_link("tg://resolve?domain=123456&post=&single"));
  parse_internal_link("tg:resolve?domain=telegram&startattach", attachment_menu_bot(nullptr, nullptr, "telegram", ""));
  parse_internal_link("tg:resolve?domain=telegram&startattach=1",
                      attachment_menu_bot(nullptr, nullptr, "telegram", "1"));
  parse_internal_link("tg:resolve?domain=telegram&startattach=1&choose=cats+dogs",
                      attachment_menu_bot(nullptr, nullptr, "telegram", "1"));
  parse_internal_link("tg:resolve?domain=telegram&startattach=1&choose=users",
                      attachment_menu_bot(target_chat_chosen(true, false, false, false), nullptr, "telegram", "1"));
  parse_internal_link("tg:resolve?domain=telegram&startattach=1&choose=bots",
                      attachment_menu_bot(target_chat_chosen(false, true, false, false), nullptr, "telegram", "1"));
  parse_internal_link("tg:resolve?domain=telegram&startattach=1&choose=groups",
                      attachment_menu_bot(target_chat_chosen(false, false, true, false), nullptr, "telegram", "1"));
  parse_internal_link("tg:resolve?domain=telegram&startattach=1&choose=channels",
                      attachment_menu_bot(target_chat_chosen(false, false, false, true), nullptr, "telegram", "1"));
  parse_internal_link("tg:resolve?domain=telegram&startattach=1&choose=users+channels",
                      attachment_menu_bot(target_chat_chosen(true, false, false, true), nullptr, "telegram", "1"));
  parse_internal_link("tg:resolve?domain=telegram&attach=&startattach",
                      attachment_menu_bot(nullptr, nullptr, "telegram", ""));
  parse_internal_link("tg:resolve?domain=telegram&attach=&startattach=1",
                      attachment_menu_bot(nullptr, nullptr, "telegram", "1"));
  parse_internal_link("tg:resolve?domain=telegram&attach=test&startattach",
                      attachment_menu_bot(nullptr, public_chat("telegram"), "test", ""));
  parse_internal_link("tg:resolve?domain=telegram&attach=test&startattach=1",
                      attachment_menu_bot(nullptr, public_chat("telegram"), "test", "1"));

  parse_internal_link("tg:resolve?phone=1", user_phone_number("1"));
  parse_internal_link("tg:resolve?phone=123456", user_phone_number("123456"));
  parse_internal_link("tg:resolve?phone=123456&startattach", user_phone_number("123456"));
  parse_internal_link("tg:resolve?phone=123456&startattach=123", user_phone_number("123456"));
  parse_internal_link("tg:resolve?phone=123456&attach=", user_phone_number("123456"));
  parse_internal_link("tg:resolve?phone=123456&attach=&startattach", user_phone_number("123456"));
  parse_internal_link("tg:resolve?phone=123456&attach=&startattach=123", user_phone_number("123456"));
  parse_internal_link("tg:resolve?phone=123456&attach=test",
                      attachment_menu_bot(nullptr, user_phone_number("123456"), "test", ""));
  parse_internal_link("tg:resolve?phone=123456&attach=test&startattach&choose=users",
                      attachment_menu_bot(nullptr, user_phone_number("123456"), "test", ""));
  parse_internal_link("tg:resolve?phone=123456&attach=test&startattach=123",
                      attachment_menu_bot(nullptr, user_phone_number("123456"), "test", "123"));
  parse_internal_link("tg:resolve?phone=01234567890123456789012345678912",
                      user_phone_number("01234567890123456789012345678912"));
  parse_internal_link("tg:resolve?phone=012345678901234567890123456789123",
                      unknown_deep_link("tg://resolve?phone=012345678901234567890123456789123"));
  parse_internal_link("tg:resolve?phone=", unknown_deep_link("tg://resolve?phone="));
  parse_internal_link("tg:resolve?phone=+123", unknown_deep_link("tg://resolve?phone=+123"));
  parse_internal_link("tg:resolve?phone=123456 ", unknown_deep_link("tg://resolve?phone=123456 "));

  parse_internal_link("tg:contact?token=1", user_token("1"));
  parse_internal_link("tg:contact?token=123456", user_token("123456"));
  parse_internal_link("tg:contact?token=123456&startattach", user_token("123456"));
  parse_internal_link("tg:contact?token=123456&startattach=123", user_token("123456"));
  parse_internal_link("tg:contact?token=123456&attach=", user_token("123456"));
  parse_internal_link("tg:contact?token=123456&attach=&startattach", user_token("123456"));
  parse_internal_link("tg:contact?token=123456&attach=&startattach=123", user_token("123456"));
  parse_internal_link("tg:contact?token=01234567890123456789012345678912",
                      user_token("01234567890123456789012345678912"));
  parse_internal_link("tg:contact?token=012345678901234567890123456789123",
                      user_token("012345678901234567890123456789123"));
  parse_internal_link("tg:contact?token=", unknown_deep_link("tg://contact?token="));
  parse_internal_link("tg:contact?token=+123", user_token(" 123"));

  parse_internal_link("t.me/username/12345?single", message("tg://resolve?domain=username&post=12345&single"));
  parse_internal_link("t.me/username/12345?asdasd", message("tg://resolve?domain=username&post=12345"));
  parse_internal_link("t.me/username/12345", message("tg://resolve?domain=username&post=12345"));
  parse_internal_link("t.me/username/12345/", message("tg://resolve?domain=username&post=12345"));
  parse_internal_link("t.me/username/12345#asdasd", message("tg://resolve?domain=username&post=12345"));
  parse_internal_link("t.me/username/12345//?voicechat=&single",
                      message("tg://resolve?domain=username&post=12345&single"));
  parse_internal_link("t.me/username/12345/asdasd//asd/asd/asd/?single",
                      message("tg://resolve?domain=username&post=12345&single"));
  parse_internal_link("t.me/username/12345/67890/asdasd//asd/asd/asd/?single",
                      message("tg://resolve?domain=username&post=67890&single&thread=12345"));
  parse_internal_link("t.me/username/1asdasdas/asdasd//asd/asd/asd/?single",
                      message("tg://resolve?domain=username&post=1&single"));
  parse_internal_link("t.me/username/0", public_chat("username"));
  parse_internal_link("t.me/username/-12345", public_chat("username"));
  parse_internal_link("t.me//12345?single", nullptr);
  parse_internal_link("https://telegram.dog/telegram/?single", public_chat("telegram"));
  parse_internal_link("t.me/username?startattach", attachment_menu_bot(nullptr, nullptr, "username", ""));
  parse_internal_link("t.me/username?startattach=1", attachment_menu_bot(nullptr, nullptr, "username", "1"));
  parse_internal_link("t.me/username?startattach=1&choose=cats+dogs",
                      attachment_menu_bot(nullptr, nullptr, "username", "1"));
  parse_internal_link("t.me/username?startattach=1&choose=users",
                      attachment_menu_bot(target_chat_chosen(true, false, false, false), nullptr, "username", "1"));
  parse_internal_link("t.me/username?startattach=1&choose=bots",
                      attachment_menu_bot(target_chat_chosen(false, true, false, false), nullptr, "username", "1"));
  parse_internal_link("t.me/username?startattach=1&choose=groups",
                      attachment_menu_bot(target_chat_chosen(false, false, true, false), nullptr, "username", "1"));
  parse_internal_link("t.me/username?startattach=1&choose=channels",
                      attachment_menu_bot(target_chat_chosen(false, false, false, true), nullptr, "username", "1"));
  parse_internal_link("t.me/username?startattach=1&choose=bots+groups",
                      attachment_menu_bot(target_chat_chosen(false, true, true, false), nullptr, "username", "1"));
  parse_internal_link("t.me/username?attach=", public_chat("username"));
  parse_internal_link("t.me/username?attach=&startattach", attachment_menu_bot(nullptr, nullptr, "username", ""));
  parse_internal_link("t.me/username?attach=&startattach=1", attachment_menu_bot(nullptr, nullptr, "username", "1"));
  parse_internal_link("t.me/username?attach=bot", attachment_menu_bot(nullptr, public_chat("username"), "bot", ""));
  parse_internal_link("t.me/username?attach=bot&startattach",
                      attachment_menu_bot(nullptr, public_chat("username"), "bot", ""));
  parse_internal_link("t.me/username?attach=bot&startattach=1&choose=users",
                      attachment_menu_bot(nullptr, public_chat("username"), "bot", "1"));

  parse_internal_link("tg:privatepost?domain=username/12345&single",
                      unknown_deep_link("tg://privatepost?domain=username/12345&single"));
  parse_internal_link("tg:privatepost?channel=username/12345&single",
                      unknown_deep_link("tg://privatepost?channel=username/12345&single"));
  parse_internal_link("tg:privatepost?channel=username&post=12345",
                      message("tg://privatepost?channel=username&post=12345"));

  parse_internal_link("t.me/c/12345?single", nullptr);
  parse_internal_link("t.me/c/1/c?single", nullptr);
  parse_internal_link("t.me/c/c/1?single", nullptr);
  parse_internal_link("t.me/c//1?single", nullptr);
  parse_internal_link("t.me/c/12345/123", message("tg://privatepost?channel=12345&post=123"));
  parse_internal_link("t.me/c/12345/123?single", message("tg://privatepost?channel=12345&post=123&single"));
  parse_internal_link("t.me/c/12345/123/asd/asd////?single", message("tg://privatepost?channel=12345&post=123&single"));
  parse_internal_link("t.me/c/12345/123/456/asd/asd////?single",
                      message("tg://privatepost?channel=12345&post=456&single&thread=123"));
  parse_internal_link("t.me/c/%312345/%3123?comment=456&t=789&single&thread=123%20%31",
                      message("tg://privatepost?channel=12345&post=123&single&thread=123%201&comment=456&t=789"));

  parse_internal_link("tg:bg?color=111111#asdasd", background("111111"));
  parse_internal_link("tg:bg?color=11111%31", background("111111"));
  parse_internal_link("tg:bg?color=11111%20", background("11111%20"));
  parse_internal_link("tg:bg?gradient=111111-222222", background("111111-222222"));
  parse_internal_link("tg:bg?rotation=180%20&gradient=111111-222222%20",
                      background("111111-222222%20?rotation=180%20"));
  parse_internal_link("tg:bg?gradient=111111~222222", background("111111~222222"));
  parse_internal_link("tg:bg?gradient=abacaba", background("abacaba"));
  parse_internal_link("tg:bg?slug=test#asdasd", background("test"));
  parse_internal_link("tg:bg?slug=test&mode=blur", background("test?mode=blur"));
  parse_internal_link("tg:bg?slug=test&mode=blur&text=1", background("test?mode=blur"));
  parse_internal_link("tg:bg?slug=test&mode=blur&mode=1", background("test?mode=blur"));
  parse_internal_link("tg:bg?slug=test&mode=blur&rotation=4&intensity=2&bg_color=3",
                      background("test?mode=blur&intensity=2&bg_color=3&rotation=4"));
  parse_internal_link("tg:bg?mode=blur&&slug=test&intensity=2&bg_color=3",
                      background("test?mode=blur&intensity=2&bg_color=3"));
  parse_internal_link("tg:bg?mode=blur&intensity=2&bg_color=3",
                      unknown_deep_link("tg://bg?mode=blur&intensity=2&bg_color=3"));

  parse_internal_link("tg:bg?color=111111#asdasd", background("111111"));
  parse_internal_link("tg:bg?color=11111%31", background("111111"));
  parse_internal_link("tg:bg?color=11111%20", background("11111%20"));
  parse_internal_link("tg:bg?gradient=111111-222222", background("111111-222222"));
  parse_internal_link("tg:bg?rotation=180%20&gradient=111111-222222%20",
                      background("111111-222222%20?rotation=180%20"));
  parse_internal_link("tg:bg?gradient=111111~222222&mode=blur", background("111111~222222"));
  parse_internal_link("tg:bg?gradient=abacaba", background("abacaba"));
  parse_internal_link("tg:bg?slug=test#asdasd", background("test"));
  parse_internal_link("tg:bg?slug=test&mode=blur", background("test?mode=blur"));
  parse_internal_link("tg:bg?slug=test&mode=blur&text=1", background("test?mode=blur"));
  parse_internal_link("tg:bg?slug=test&mode=blur&mode=1", background("test?mode=blur"));
  parse_internal_link("tg:bg?slug=test&mode=blur&rotation=4&intensity=2&bg_color=3",
                      background("test?mode=blur&intensity=2&bg_color=3&rotation=4"));
  parse_internal_link("tg:bg?mode=blur&&slug=test&intensity=2&bg_color=3",
                      background("test?mode=blur&intensity=2&bg_color=3"));
  parse_internal_link("tg:bg?mode=blur&intensity=2&bg_color=3",
                      unknown_deep_link("tg://bg?mode=blur&intensity=2&bg_color=3"));

  parse_internal_link("%54.me/bg/111111#asdasd", background("111111"));
  parse_internal_link("t.me/bg/11111%31", background("111111"));
  parse_internal_link("t.me/bg/11111%20", background("11111%20"));
  parse_internal_link("t.me/bg/111111-222222", background("111111-222222"));
  parse_internal_link("t.me/bg/111111-222222%20?rotation=180%20", background("111111-222222%20?rotation=180%20"));
  parse_internal_link("t.me/bg/111111~222222", background("111111~222222"));
  parse_internal_link("t.me/bg/abacaba", background("abacaba"));
  parse_internal_link("t.me/Bg/abacaba", web_app("Bg", "abacaba", ""));
  parse_internal_link("t.me/bg/111111~222222#asdasd", background("111111~222222"));
  parse_internal_link("t.me/bg/111111~222222?mode=blur", background("111111~222222"));
  parse_internal_link("t.me/bg/111111~222222?mode=blur&text=1", background("111111~222222"));
  parse_internal_link("t.me/bg/111111~222222?mode=blur&mode=1", background("111111~222222"));
  parse_internal_link("t.me/bg/testteststststststststststststs?mode=blur&rotation=4&intensity=2&bg_color=3&mode=1",
                      background("testteststststststststststststs?mode=blur&intensity=2&bg_color=3&rotation=4"));
  parse_internal_link("t.me/%62g/testteststststststststststststs/?mode=blur+motion&&&intensity=2&bg_color=3",
                      background("testteststststststststststststs?mode=blur%20motion&intensity=2&bg_color=3"));
  parse_internal_link("t.me/bg//", nullptr);
  parse_internal_link("t.me/bg/%20/", background("%20"));
  parse_internal_link("t.me/bg/", nullptr);

  parse_internal_link("t.me/invoice?slug=abcdef", nullptr);
  parse_internal_link("t.me/invoice", nullptr);
  parse_internal_link("t.me/invoice/", nullptr);
  parse_internal_link("t.me/invoice//abcdef", nullptr);
  parse_internal_link("t.me/invoice?/abcdef", nullptr);
  parse_internal_link("t.me/invoice/?abcdef", nullptr);
  parse_internal_link("t.me/invoice/#abcdef", nullptr);
  parse_internal_link("t.me/invoice/abacaba", invoice("abacaba"));
  parse_internal_link("t.me/invoice/aba%20aba", invoice("aba aba"));
  parse_internal_link("t.me/invoice/123456a", invoice("123456a"));
  parse_internal_link("t.me/invoice/12345678901", invoice("12345678901"));
  parse_internal_link("t.me/invoice/123456", invoice("123456"));
  parse_internal_link("t.me/invoice/123456/123123/12/31/a/s//21w/?asdas#test", invoice("123456"));

  parse_internal_link("t.me/$?slug=abcdef", nullptr);
  parse_internal_link("t.me/$", nullptr);
  parse_internal_link("t.me/$/abcdef", nullptr);
  parse_internal_link("t.me/$?/abcdef", nullptr);
  parse_internal_link("t.me/$?abcdef", nullptr);
  parse_internal_link("t.me/$#abcdef", nullptr);
  parse_internal_link("t.me/$abacaba", invoice("abacaba"));
  parse_internal_link("t.me/$aba%20aba", invoice("aba aba"));
  parse_internal_link("t.me/$123456a", invoice("123456a"));
  parse_internal_link("t.me/$12345678901", invoice("12345678901"));
  parse_internal_link("t.me/$123456", invoice("123456"));
  parse_internal_link("t.me/%24123456", invoice("123456"));
  parse_internal_link("t.me/$123456/123123/12/31/a/s//21w/?asdas#test", invoice("123456"));

  parse_internal_link("tg:invoice?slug=abcdef", invoice("abcdef"));
  parse_internal_link("tg:invoice?slug=abc%30ef", invoice("abc0ef"));
  parse_internal_link("tg://invoice?slug=", unknown_deep_link("tg://invoice?slug="));

  parse_internal_link("tg:share?url=google.com&text=text#asdasd", message_draft("google.com\ntext", true));
  parse_internal_link("tg:share?url=google.com&text=", message_draft("google.com", false));
  parse_internal_link("tg:share?url=&text=google.com", message_draft("google.com", false));
  parse_internal_link("tg:msg_url?url=google.com&text=text", message_draft("google.com\ntext", true));
  parse_internal_link("tg:msg_url?url=google.com&text=", message_draft("google.com", false));
  parse_internal_link("tg:msg_url?url=&text=google.com", message_draft("google.com", false));
  parse_internal_link("tg:msg?url=google.com&text=text", message_draft("google.com\ntext", true));
  parse_internal_link("tg:msg?url=google.com&text=", message_draft("google.com", false));
  parse_internal_link("tg:msg?url=&text=google.com", message_draft("google.com", false));
  parse_internal_link("tg:msg?url=&text=\n\n\n\n\n\n\n\n", nullptr);
  parse_internal_link("tg:msg?url=%20\n&text=", nullptr);
  parse_internal_link("tg:msg?url=%20\n&text=google.com", message_draft("google.com", false));
  parse_internal_link("tg:msg?url=@&text=", message_draft(" @", false));
  parse_internal_link("tg:msg?url=&text=@", message_draft(" @", false));
  parse_internal_link("tg:msg?url=@&text=@", message_draft(" @\n@", true));
  parse_internal_link("tg:msg?url=%FF&text=1", nullptr);

  parse_internal_link("https://t.me/share?url=google.com&text=text#asdasd", message_draft("google.com\ntext", true));
  parse_internal_link("https://t.me/share?url=google.com&text=", message_draft("google.com", false));
  parse_internal_link("https://t.me/share?url=&text=google.com", message_draft("google.com", false));
  parse_internal_link("https://t.me/msg?url=google.com&text=text", message_draft("google.com\ntext", true));
  parse_internal_link("https://t.me/msg?url=google.com&text=", message_draft("google.com", false));
  parse_internal_link("https://t.me/msg?url=&text=google.com", message_draft("google.com", false));
  parse_internal_link("https://t.me/msg?url=google.com&text=text", message_draft("google.com\ntext", true));
  parse_internal_link("https://t.me/msg?url=google.com&text=", message_draft("google.com", false));
  parse_internal_link("https://t.me/msg?url=&text=google.com", message_draft("google.com", false));
  parse_internal_link("https://t.me/msg?url=&text=\n\n\n\n\n\n\n\n", nullptr);
  parse_internal_link("https://t.me/msg?url=%20%0A&text=", nullptr);
  parse_internal_link("https://t.me/msg?url=%20%0A&text=google.com", message_draft("google.com", false));
  parse_internal_link("https://t.me/msg?url=@&text=", message_draft(" @", false));
  parse_internal_link("https://t.me/msg?url=&text=@", message_draft(" @", false));
  parse_internal_link("https://t.me/msg?url=@&text=@", message_draft(" @\n@", true));
  parse_internal_link("https://t.me/msg?url=%FF&text=1", nullptr);

  parse_internal_link("tg:login?codec=12345", unknown_deep_link("tg://login?codec=12345"));
  parse_internal_link("tg:login", unknown_deep_link("tg://login"));
  parse_internal_link("tg:login?code=abacaba", authentication_code("abacaba"));
  parse_internal_link("tg:login?code=123456", authentication_code("123456"));

  parse_internal_link("t.me/login?codec=12345", nullptr);
  parse_internal_link("t.me/login", nullptr);
  parse_internal_link("t.me/login/", nullptr);
  parse_internal_link("t.me/login//12345", nullptr);
  parse_internal_link("t.me/login?/12345", nullptr);
  parse_internal_link("t.me/login/?12345", nullptr);
  parse_internal_link("t.me/login/#12345", nullptr);
  parse_internal_link("t.me/login/abacaba", authentication_code("abacaba"));
  parse_internal_link("t.me/login/aba%20aba", authentication_code("aba aba"));
  parse_internal_link("t.me/login/123456a", authentication_code("123456a"));
  parse_internal_link("t.me/login/12345678901", authentication_code("12345678901"));
  parse_internal_link("t.me/login/123456", authentication_code("123456"));
  parse_internal_link("t.me/login/123456/123123/12/31/a/s//21w/?asdas#test", authentication_code("123456"));

  parse_internal_link("tg:login?token=abacaba", qr_code_authentication());
  parse_internal_link("tg:login?token=", unknown_deep_link("tg://login?token="));

  parse_internal_link("tg:restore_purchases?token=abacaba", restore_purchases());
  parse_internal_link("tg:restore_purchases?#", restore_purchases());
  parse_internal_link("tg:restore_purchases/?#", restore_purchases());
  parse_internal_link("tg:restore_purchases", restore_purchases());
  parse_internal_link("tg:restore_purchase", unknown_deep_link("tg://restore_purchase"));
  parse_internal_link("tg:restore_purchasess", unknown_deep_link("tg://restore_purchasess"));
  parse_internal_link("tg:restore_purchases/test?#", unknown_deep_link("tg://restore_purchases/test?"));

  parse_internal_link("t.me/joinchat?invite=abcdef", nullptr);
  parse_internal_link("t.me/joinchat", nullptr);
  parse_internal_link("t.me/joinchat/", nullptr);
  parse_internal_link("t.me/joinchat//abcdef", nullptr);
  parse_internal_link("t.me/joinchat?/abcdef", nullptr);
  parse_internal_link("t.me/joinchat/?abcdef", nullptr);
  parse_internal_link("t.me/joinchat/#abcdef", nullptr);
  parse_internal_link("t.me/joinchat/abacaba", chat_invite("abacaba"));
  parse_internal_link("t.me/joinchat/aba%20aba", nullptr);
  parse_internal_link("t.me/joinchat/aba%30aba", chat_invite("aba0aba"));
  parse_internal_link("t.me/joinchat/123456a", chat_invite("123456a"));
  parse_internal_link("t.me/joinchat/12345678901", nullptr);
  parse_internal_link("t.me/joinchat/123456", nullptr);
  parse_internal_link("t.me/joinchat/123456/123123/12/31/a/s//21w/?asdas#test", nullptr);
  parse_internal_link("t.me/joinchat/12345678901a", chat_invite("12345678901a"));
  parse_internal_link("t.me/joinchat/123456a", chat_invite("123456a"));
  parse_internal_link("t.me/joinchat/123456a/123123/12/31/a/s//21w/?asdas#test", chat_invite("123456a"));

  parse_internal_link("t.me/+?invite=abcdef", nullptr);
  parse_internal_link("t.me/+a", chat_invite("a"));
  parse_internal_link("t.me/+", nullptr);
  parse_internal_link("t.me/+/abcdef", nullptr);
  parse_internal_link("t.me/ ?/abcdef", nullptr);
  parse_internal_link("t.me/+?abcdef", nullptr);
  parse_internal_link("t.me/+#abcdef", nullptr);
  parse_internal_link("t.me/ abacaba", chat_invite("abacaba"));
  parse_internal_link("t.me/+aba%20aba", nullptr);
  parse_internal_link("t.me/+aba%30aba", chat_invite("aba0aba"));
  parse_internal_link("t.me/+123456a", chat_invite("123456a"));
  parse_internal_link("t.me/%2012345678901", user_phone_number("12345678901"));
  parse_internal_link("t.me/+123456", user_phone_number("123456"));
  parse_internal_link("t.me/ 123456/123123/12/31/a/s//21w/?asdas#test", user_phone_number("123456"));
  parse_internal_link("t.me/ /123456/123123/12/31/a/s//21w/?asdas#test", nullptr);
  parse_internal_link("t.me/+123456?startattach", user_phone_number("123456"));
  parse_internal_link("t.me/+123456?startattach=1", user_phone_number("123456"));
  parse_internal_link("t.me/+123456?attach=", user_phone_number("123456"));
  parse_internal_link("t.me/+123456?attach=&startattach", user_phone_number("123456"));
  parse_internal_link("t.me/+123456?attach=&startattach=1", user_phone_number("123456"));
  parse_internal_link("t.me/+123456?attach=bot", attachment_menu_bot(nullptr, user_phone_number("123456"), "bot", ""));
  parse_internal_link("t.me/+123456?attach=bot&startattach",
                      attachment_menu_bot(nullptr, user_phone_number("123456"), "bot", ""));
  parse_internal_link("t.me/+123456?attach=bot&startattach=1",
                      attachment_menu_bot(nullptr, user_phone_number("123456"), "bot", "1"));

  parse_internal_link("t.me/contact/startattach/adasd", user_token("startattach"));
  parse_internal_link("t.me/contact/startattach", user_token("startattach"));
  parse_internal_link("t.me/contact/startattach=1", user_token("startattach=1"));
  parse_internal_link("t.me/contact/", nullptr);
  parse_internal_link("t.me/contact/?attach=&startattach", nullptr);

  parse_internal_link("tg:join?invite=abcdef", chat_invite("abcdef"));
  parse_internal_link("tg:join?invite=abc%20def", unknown_deep_link("tg://join?invite=abc%20def"));
  parse_internal_link("tg://join?invite=abc%30def", chat_invite("abc0def"));
  parse_internal_link("tg:join?invite=", unknown_deep_link("tg://join?invite="));

  parse_internal_link("t.me/addstickers?set=abcdef", nullptr);
  parse_internal_link("t.me/addstickers", nullptr);
  parse_internal_link("t.me/addstickers/", nullptr);
  parse_internal_link("t.me/addstickers//abcdef", nullptr);
  parse_internal_link("t.me/addstickers?/abcdef", nullptr);
  parse_internal_link("t.me/addstickers/?abcdef", nullptr);
  parse_internal_link("t.me/addstickers/#abcdef", nullptr);
  parse_internal_link("t.me/addstickers/abacaba", sticker_set("abacaba", false));
  parse_internal_link("t.me/addstickers/aba%20aba", sticker_set("aba aba", false));
  parse_internal_link("t.me/addstickers/123456a", sticker_set("123456a", false));
  parse_internal_link("t.me/addstickers/12345678901", sticker_set("12345678901", false));
  parse_internal_link("t.me/addstickers/123456", sticker_set("123456", false));
  parse_internal_link("t.me/addstickers/123456/123123/12/31/a/s//21w/?asdas#test", sticker_set("123456", false));

  parse_internal_link("tg:addstickers?set=abcdef", sticker_set("abcdef", false));
  parse_internal_link("tg:addstickers?set=abc%30ef", sticker_set("abc0ef", false));
  parse_internal_link("tg://addstickers?set=", unknown_deep_link("tg://addstickers?set="));

  parse_internal_link("t.me/addemoji?set=abcdef", nullptr);
  parse_internal_link("t.me/addemoji", nullptr);
  parse_internal_link("t.me/addemoji/", nullptr);
  parse_internal_link("t.me/addemoji//abcdef", nullptr);
  parse_internal_link("t.me/addemoji?/abcdef", nullptr);
  parse_internal_link("t.me/addemoji/?abcdef", nullptr);
  parse_internal_link("t.me/addemoji/#abcdef", nullptr);
  parse_internal_link("t.me/addemoji/abacaba", sticker_set("abacaba", true));
  parse_internal_link("t.me/addemoji/aba%20aba", sticker_set("aba aba", true));
  parse_internal_link("t.me/addemoji/123456a", sticker_set("123456a", true));
  parse_internal_link("t.me/addemoji/12345678901", sticker_set("12345678901", true));
  parse_internal_link("t.me/addemoji/123456", sticker_set("123456", true));
  parse_internal_link("t.me/addemoji/123456/123123/12/31/a/s//21w/?asdas#test", sticker_set("123456", true));

  parse_internal_link("tg:addemoji?set=abcdef", sticker_set("abcdef", true));
  parse_internal_link("tg:addemoji?set=abc%30ef", sticker_set("abc0ef", true));
  parse_internal_link("tg://addemoji?set=", unknown_deep_link("tg://addemoji?set="));

  parse_internal_link("t.me/confirmphone?hash=abc%30ef&phone=", nullptr);
  parse_internal_link("t.me/confirmphone/123456/123123/12/31/a/s//21w/?hash=abc%30ef&phone=123456789",
                      phone_number_confirmation("abc0ef", "123456789"));
  parse_internal_link("t.me/confirmphone?hash=abc%30ef&phone=123456789",
                      phone_number_confirmation("abc0ef", "123456789"));

  parse_internal_link("tg:confirmphone?hash=abc%30ef&phone=",
                      unknown_deep_link("tg://confirmphone?hash=abc%30ef&phone="));
  parse_internal_link("tg:confirmphone?hash=abc%30ef&phone=123456789",
                      phone_number_confirmation("abc0ef", "123456789"));
  parse_internal_link("tg://confirmphone?hash=123&phone=123456789123456789",
                      phone_number_confirmation("123", "123456789123456789"));
  parse_internal_link("tg://confirmphone?hash=&phone=123456789123456789",
                      unknown_deep_link("tg://confirmphone?hash=&phone=123456789123456789"));
  parse_internal_link("tg://confirmphone?hash=123456789123456789&phone=",
                      unknown_deep_link("tg://confirmphone?hash=123456789123456789&phone="));

  parse_internal_link("t.me/setlanguage?lang=abcdef", nullptr);
  parse_internal_link("t.me/setlanguage", nullptr);
  parse_internal_link("t.me/setlanguage/", nullptr);
  parse_internal_link("t.me/setlanguage//abcdef", nullptr);
  parse_internal_link("t.me/setlanguage?/abcdef", nullptr);
  parse_internal_link("t.me/setlanguage/?abcdef", nullptr);
  parse_internal_link("t.me/setlanguage/#abcdef", nullptr);
  parse_internal_link("t.me/setlanguage/abacaba", language_pack("abacaba"));
  parse_internal_link("t.me/setlanguage/aba%20aba", language_pack("aba aba"));
  parse_internal_link("t.me/setlanguage/123456a", language_pack("123456a"));
  parse_internal_link("t.me/setlanguage/12345678901", language_pack("12345678901"));
  parse_internal_link("t.me/setlanguage/123456", language_pack("123456"));
  parse_internal_link("t.me/setlanguage/123456/123123/12/31/a/s//21w/?asdas#test", language_pack("123456"));

  parse_internal_link("tg:setlanguage?lang=abcdef", language_pack("abcdef"));
  parse_internal_link("tg:setlanguage?lang=abc%30ef", language_pack("abc0ef"));
  parse_internal_link("tg://setlanguage?lang=", unknown_deep_link("tg://setlanguage?lang="));

  parse_internal_link(
      "http://telegram.dog/iv?url=https://telegram.org&rhash=abcdef&test=1&tg_rhash=1",
      instant_view("https://t.me/iv?url=https%3A%2F%2Ftelegram.org&rhash=abcdef", "https://telegram.org"));
  parse_internal_link("t.me/iva?url=https://telegram.org&rhash=abcdef", public_chat("iva"));
  parse_internal_link("t.me/iv?url=&rhash=abcdef", nullptr);
  parse_internal_link("t.me/iv?url=https://telegram.org&rhash=",
                      instant_view("https://t.me/iv?url=https%3A%2F%2Ftelegram.org&rhash", "https://telegram.org"));
  parse_internal_link("t.me/iv//////?url=https://telegram.org&rhash=",
                      instant_view("https://t.me/iv?url=https%3A%2F%2Ftelegram.org&rhash", "https://telegram.org"));
  parse_internal_link("t.me/iv/////1/?url=https://telegram.org&rhash=", nullptr);
  parse_internal_link("t.me/iv", nullptr);
  parse_internal_link("t.me/iv?#url=https://telegram.org&rhash=abcdef", nullptr);
  parse_internal_link("tg:iv?url=https://telegram.org&rhash=abcdef",
                      unknown_deep_link("tg://iv?url=https://telegram.org&rhash=abcdef"));

  parse_internal_link("t.me/addtheme?slug=abcdef", nullptr);
  parse_internal_link("t.me/addtheme", nullptr);
  parse_internal_link("t.me/addtheme/", nullptr);
  parse_internal_link("t.me/addtheme//abcdef", nullptr);
  parse_internal_link("t.me/addtheme?/abcdef", nullptr);
  parse_internal_link("t.me/addtheme/?abcdef", nullptr);
  parse_internal_link("t.me/addtheme/#abcdef", nullptr);
  parse_internal_link("t.me/addtheme/abacaba", theme("abacaba"));
  parse_internal_link("t.me/addtheme/aba%20aba", theme("aba aba"));
  parse_internal_link("t.me/addtheme/123456a", theme("123456a"));
  parse_internal_link("t.me/addtheme/12345678901", theme("12345678901"));
  parse_internal_link("t.me/addtheme/123456", theme("123456"));
  parse_internal_link("t.me/addtheme/123456/123123/12/31/a/s//21w/?asdas#test", theme("123456"));

  parse_internal_link("tg:addtheme?slug=abcdef", theme("abcdef"));
  parse_internal_link("tg:addtheme?slug=abc%30ef", theme("abc0ef"));
  parse_internal_link("tg://addtheme?slug=", unknown_deep_link("tg://addtheme?slug="));

  parse_internal_link("t.me/proxy?server=1.2.3.4&port=80&secret=1234567890abcdef1234567890ABCDEF",
                      proxy_mtproto("1.2.3.4", 80, "1234567890abcdef1234567890abcdef"));
  parse_internal_link("t.me/proxy?server=1.2.3.4&port=80adasdas&secret=1234567890abcdef1234567890ABCDEF",
                      proxy_mtproto("1.2.3.4", 80, "1234567890abcdef1234567890abcdef"));
  parse_internal_link("t.me/proxy?server=1.2.3.4&port=adasdas&secret=1234567890abcdef1234567890ABCDEF",
                      unsupported_proxy());
  parse_internal_link("t.me/proxy?server=1.2.3.4&port=65536&secret=1234567890abcdef1234567890ABCDEF",
                      unsupported_proxy());
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=", unsupported_proxy());
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=12", unsupported_proxy());
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=1234567890abcdef1234567890ABCDEF",
                      proxy_mtproto("google.com", 80, "1234567890abcdef1234567890abcdef"));
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=dd1234567890abcdef1234567890ABCDEF",
                      proxy_mtproto("google.com", 80, "dd1234567890abcdef1234567890abcdef"));
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=de1234567890abcdef1234567890ABCDEF",
                      unsupported_proxy());
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=ee1234567890abcdef1234567890ABCDEF",
                      unsupported_proxy());
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=ee1234567890abcdef1234567890ABCDEF0",
                      unsupported_proxy());
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=ee1234567890abcdef1234567890ABCDEF%30%30",
                      proxy_mtproto("google.com", 80, "7hI0VniQq83vEjRWeJCrze8A"));
  parse_internal_link(
      "t.me/proxy?server=google.com&port=8%30&secret=ee1234567890abcdef1234567890ABCDEF010101010101010101",
      proxy_mtproto("google.com", 80, "7hI0VniQq83vEjRWeJCrze8BAQEBAQEBAQE"));
  parse_internal_link("t.me/proxy?server=google.com&port=8%30&secret=7tAAAAAAAAAAAAAAAAAAAAAAAAcuZ29vZ2xlLmNvbQ",
                      proxy_mtproto("google.com", 80, "7tAAAAAAAAAAAAAAAAAAAAAAAAcuZ29vZ2xlLmNvbQ"));

  parse_internal_link("tg:proxy?server=1.2.3.4&port=80&secret=1234567890abcdef1234567890ABCDEF",
                      proxy_mtproto("1.2.3.4", 80, "1234567890abcdef1234567890abcdef"));
  parse_internal_link("tg:proxy?server=1.2.3.4&port=80adasdas&secret=1234567890abcdef1234567890ABCDEF",
                      proxy_mtproto("1.2.3.4", 80, "1234567890abcdef1234567890abcdef"));
  parse_internal_link("tg:proxy?server=1.2.3.4&port=adasdas&secret=1234567890abcdef1234567890ABCDEF",
                      unsupported_proxy());
  parse_internal_link("tg:proxy?server=1.2.3.4&port=65536&secret=1234567890abcdef1234567890ABCDEF",
                      unsupported_proxy());
  parse_internal_link("tg:proxy?server=google.com&port=8%30&secret=1234567890abcdef1234567890ABCDEF",
                      proxy_mtproto("google.com", 80, "1234567890abcdef1234567890abcdef"));
  parse_internal_link("tg:proxy?server=google.com&port=8%30&secret=dd1234567890abcdef1234567890ABCDEF",
                      proxy_mtproto("google.com", 80, "dd1234567890abcdef1234567890abcdef"));
  parse_internal_link("tg:proxy?server=google.com&port=8%30&secret=de1234567890abcdef1234567890ABCDEF",
                      unsupported_proxy());

  parse_internal_link("t.me/socks?server=1.2.3.4&port=80", proxy_socks("1.2.3.4", 80, "", ""));
  parse_internal_link("t.me/socks?server=1.2.3.4&port=80adasdas", proxy_socks("1.2.3.4", 80, "", ""));
  parse_internal_link("t.me/socks?server=1.2.3.4&port=adasdas", unsupported_proxy());
  parse_internal_link("t.me/socks?server=1.2.3.4&port=65536", unsupported_proxy());
  parse_internal_link("t.me/socks?server=google.com&port=8%30", proxy_socks("google.com", 80, "", ""));
  parse_internal_link("t.me/socks?server=google.com&port=8%30&user=1&pass=", proxy_socks("google.com", 80, "1", ""));
  parse_internal_link("t.me/socks?server=google.com&port=8%30&user=&pass=2", proxy_socks("google.com", 80, "", "2"));
  parse_internal_link("t.me/socks?server=google.com&port=80&user=1&pass=2", proxy_socks("google.com", 80, "1", "2"));

  parse_internal_link("tg:socks?server=1.2.3.4&port=80", proxy_socks("1.2.3.4", 80, "", ""));
  parse_internal_link("tg:socks?server=1.2.3.4&port=80adasdas", proxy_socks("1.2.3.4", 80, "", ""));
  parse_internal_link("tg:socks?server=1.2.3.4&port=adasdas", unsupported_proxy());
  parse_internal_link("tg:socks?server=1.2.3.4&port=65536", unsupported_proxy());
  parse_internal_link("tg:socks?server=google.com&port=8%30", proxy_socks("google.com", 80, "", ""));
  parse_internal_link("tg:socks?server=google.com&port=8%30&user=1&pass=", proxy_socks("google.com", 80, "1", ""));
  parse_internal_link("tg:socks?server=google.com&port=8%30&user=&pass=2", proxy_socks("google.com", 80, "", "2"));
  parse_internal_link("tg:socks?server=google.com&port=80&user=1&pass=2", proxy_socks("google.com", 80, "1", "2"));

  parse_internal_link("tg:resolve?domain=username&voice%63hat=aasdasd", video_chat("username", "aasdasd", false));
  parse_internal_link("tg:resolve?domain=username&video%63hat=aasdasd", video_chat("username", "aasdasd", false));
  parse_internal_link("tg:resolve?domain=username&livestream=aasdasd", video_chat("username", "aasdasd", true));
  parse_internal_link("TG://resolve?domain=username&voicechat=", video_chat("username", "", false));
  parse_internal_link("TG://test@resolve?domain=username&voicechat=", nullptr);
  parse_internal_link("tg:resolve:80?domain=username&voicechat=", nullptr);
  parse_internal_link("tg:http://resolve?domain=username&voicechat=", nullptr);
  parse_internal_link("tg:https://resolve?domain=username&voicechat=", nullptr);
  parse_internal_link("tg:resolve?domain=&voicechat=", unknown_deep_link("tg://resolve?domain=&voicechat="));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&voicechat=%30", video_chat("telegram", "0", false));

  parse_internal_link("t.me/username/0/a//s/as?voicechat=", video_chat("username", "", false));
  parse_internal_link("t.me/username/0/a//s/as?videochat=2", video_chat("username", "2", false));
  parse_internal_link("t.me/username/0/a//s/as?livestream=3", video_chat("username", "3", true));
  parse_internal_link("t.me/username/aasdas/2?test=1&voicechat=#12312", video_chat("username", "", false));
  parse_internal_link("t.me/username/0?voicechat=", video_chat("username", "", false));
  parse_internal_link("t.me/username/-1?voicechat=asdasd", video_chat("username", "asdasd", false));
  parse_internal_link("t.me/username?voicechat=", video_chat("username", "", false));
  parse_internal_link("t.me/username#voicechat=asdas", public_chat("username"));
  parse_internal_link("t.me//username?voicechat=", nullptr);
  parse_internal_link("https://telegram.dog/tele%63ram?voi%63e%63hat=t%63st", video_chat("telecram", "tcst", false));

  parse_internal_link("tg:resolve?domain=username&start=aasdasd", bot_start("username", "aasdasd"));
  parse_internal_link("TG://resolve?domain=username&start=", bot_start("username", ""));
  parse_internal_link("TG://test@resolve?domain=username&start=", nullptr);
  parse_internal_link("tg:resolve:80?domain=username&start=", nullptr);
  parse_internal_link("tg:http://resolve?domain=username&start=", nullptr);
  parse_internal_link("tg:https://resolve?domain=username&start=", nullptr);
  parse_internal_link("tg:resolve?domain=&start=", unknown_deep_link("tg://resolve?domain=&start="));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&start=%30", bot_start("telegram", "0"));

  parse_internal_link("t.me/username/0/a//s/as?start=", bot_start("username", ""));
  parse_internal_link("t.me/username/aasdas/2?test=1&start=#12312", bot_start("username", ""));
  parse_internal_link("t.me/username/0?start=", bot_start("username", ""));
  parse_internal_link("t.me/username/-1?start=asdasd", bot_start("username", "asdasd"));
  parse_internal_link("t.me/username?start=", bot_start("username", ""));
  parse_internal_link("t.me/username#start=asdas", public_chat("username"));
  parse_internal_link("t.me//username?start=", nullptr);
  parse_internal_link("https://telegram.dog/tele%63ram?start=t%63st", bot_start("telecram", "tcst"));

  parse_internal_link("tg:resolve?domain=username&startgroup=aasdasd",
                      bot_start_in_group("username", "aasdasd", nullptr));
  parse_internal_link("TG://resolve?domain=username&startgroup=", bot_start_in_group("username", "", nullptr));
  parse_internal_link("TG://test@resolve?domain=username&startgroup=", nullptr);
  parse_internal_link("tg:resolve:80?domain=username&startgroup=", nullptr);
  parse_internal_link("tg:http://resolve?domain=username&startgroup=", nullptr);
  parse_internal_link("tg:https://resolve?domain=username&startgroup=", nullptr);
  parse_internal_link("tg:resolve?domain=&startgroup=", unknown_deep_link("tg://resolve?domain=&startgroup="));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&startgroup=%30", bot_start_in_group("telegram", "0", nullptr));

  parse_internal_link("tg:resolve?domain=username&startgroup", bot_start_in_group("username", "", nullptr));
  parse_internal_link("tg:resolve?domain=username&startgroup&admin=asdas", bot_start_in_group("username", "", nullptr));
  parse_internal_link("tg:resolve?domain=username&startgroup&admin=post_messages",
                      bot_start_in_group("username", "", nullptr));
  parse_internal_link("tg:resolve?domain=username&startgroup=1&admin=delete_messages+anonymous",
                      bot_start_in_group("username", "1",
                                         chat_administrator_rights(true, false, false, false, true, false, false, false,
                                                                   false, false, false, true)));
  parse_internal_link(
      "tg:resolve?domain=username&startgroup&admin=manage_chat+change_info+post_messages+edit_messages+delete_messages+"
      "invite_users+restrict_members+pin_messages+manage_topics+promote_members+manage_video_chats+anonymous",
      bot_start_in_group(
          "username", "",
          chat_administrator_rights(true, true, false, false, true, true, true, true, true, true, true, true)));

  parse_internal_link("tg:resolve?domain=username&startchannel", public_chat("username"));
  parse_internal_link("tg:resolve?domain=username&startchannel&admin=", public_chat("username"));
  parse_internal_link(
      "tg:resolve?domain=username&startchannel&admin=post_messages",
      bot_add_to_channel("username", chat_administrator_rights(true, false, true, false, false, false, true, false,
                                                               false, false, false, false)));
  parse_internal_link(
      "tg:resolve?domain=username&startchannel&admin=manage_chat+change_info+post_messages+edit_messages+delete_"
      "messages+invite_users+restrict_members+pin_messages+manage_topics+promote_members+manage_video_chats+anonymous",
      bot_add_to_channel("username", chat_administrator_rights(true, true, true, true, true, true, true, false, false,
                                                               true, true, false)));

  parse_internal_link("t.me/username/0/a//s/as?startgroup=", bot_start_in_group("username", "", nullptr));
  parse_internal_link("t.me/username/aasdas/2?test=1&startgroup=#12312", bot_start_in_group("username", "", nullptr));
  parse_internal_link("t.me/username/0?startgroup=", bot_start_in_group("username", "", nullptr));
  parse_internal_link("t.me/username/-1?startgroup=asdasd", bot_start_in_group("username", "asdasd", nullptr));
  parse_internal_link("t.me/username?startgroup=", bot_start_in_group("username", "", nullptr));
  parse_internal_link("t.me/username#startgroup=asdas", public_chat("username"));
  parse_internal_link("t.me//username?startgroup=", nullptr);
  parse_internal_link("https://telegram.dog/tele%63ram?startgroup=t%63st",
                      bot_start_in_group("telecram", "tcst", nullptr));

  parse_internal_link("t.me/username?startgroup", bot_start_in_group("username", "", nullptr));
  parse_internal_link("t.me/username?startgroup&admin=asdas", bot_start_in_group("username", "", nullptr));
  parse_internal_link("t.me/username?startgroup&admin=post_messages", bot_start_in_group("username", "", nullptr));
  parse_internal_link("t.me/username?startgroup=1&admin=delete_messages+anonymous",
                      bot_start_in_group("username", "1",
                                         chat_administrator_rights(true, false, false, false, true, false, false, false,
                                                                   false, false, false, true)));
  parse_internal_link(
      "t.me/"
      "username?startgroup&admin=manage_chat+change_info+post_messages+edit_messages+delete_messages+invite_users+"
      "restrict_members+pin_messages+manage_topics+promote_members+manage_video_chats+anonymous",
      bot_start_in_group(
          "username", "",
          chat_administrator_rights(true, true, false, false, true, true, true, true, true, true, true, true)));

  parse_internal_link("t.me/username?startchannel", public_chat("username"));
  parse_internal_link("t.me/username?startchannel&admin=", public_chat("username"));
  parse_internal_link(
      "t.me/username?startchannel&admin=post_messages",
      bot_add_to_channel("username", chat_administrator_rights(true, false, true, false, false, false, true, false,
                                                               false, false, false, false)));
  parse_internal_link(
      "t.me/"
      "username?startchannel&admin=manage_chat+change_info+post_messages+edit_messages+delete_messages+invite_users+"
      "restrict_members+pin_messages+manage_topics+promote_members+manage_video_chats+anonymous",
      bot_add_to_channel("username", chat_administrator_rights(true, true, true, true, true, true, true, false, false,
                                                               true, true, false)));

  parse_internal_link("tg:resolve?domain=username&game=aasdasd", game("username", "aasdasd"));
  parse_internal_link("TG://resolve?domain=username&game=", public_chat("username"));
  parse_internal_link("TG://test@resolve?domain=username&game=asd", nullptr);
  parse_internal_link("tg:resolve:80?domain=username&game=asd", nullptr);
  parse_internal_link("tg:http://resolve?domain=username&game=asd", nullptr);
  parse_internal_link("tg:https://resolve?domain=username&game=asd", nullptr);
  parse_internal_link("tg:resolve?domain=&game=asd", unknown_deep_link("tg://resolve?domain=&game=asd"));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&game=%30", public_chat("telegram"));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&game=%30ab", public_chat("telegram"));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&game=ab%30", game("telegram", "ab0"));

  parse_internal_link("t.me/username/0/a//s/as?game=asd", game("username", "asd"));
  parse_internal_link("t.me/username/aasdas/2?test=1&game=asd#12312", game("username", "asd"));
  parse_internal_link("t.me/username/0?game=asd", game("username", "asd"));
  parse_internal_link("t.me/username/-1?game=asdasd", game("username", "asdasd"));
  parse_internal_link("t.me/username?game=asd", game("username", "asd"));
  parse_internal_link("t.me/username?game=", public_chat("username"));
  parse_internal_link("t.me/username#game=asdas", public_chat("username"));
  parse_internal_link("t.me//username?game=asd", nullptr);
  parse_internal_link("https://telegram.dog/tele%63ram?game=t%63st", game("telecram", "tcst"));

  parse_internal_link("tg:resolve?domain=username&appname=aasdasd&startapp=123asd",
                      web_app("username", "aasdasd", "123asd"));
  parse_internal_link("TG://resolve?domain=username&appname=&startapp=123asd", public_chat("username"));
  parse_internal_link("TG://test@resolve?domain=username&appname=asd", nullptr);
  parse_internal_link("tg:resolve:80?domain=username&appname=asd", nullptr);
  parse_internal_link("tg:http://resolve?domain=username&appname=asd", nullptr);
  parse_internal_link("tg:https://resolve?domain=username&appname=asd", nullptr);
  parse_internal_link("tg:resolve?domain=&appname=asd", unknown_deep_link("tg://resolve?domain=&appname=asd"));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&appname=%41&startapp=", public_chat("telegram"));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&appname=%41b&startapp=", public_chat("telegram"));
  parse_internal_link("tg:resolve?domain=telegram&&&&&&&appname=%41bc&startapp=", web_app("telegram", "Abc", ""));

  parse_internal_link("t.me/username/0/a//s/as?appname=asd", public_chat("username"));
  parse_internal_link("t.me/username/aasdas/2?test=1&appname=asd#12312", public_chat("username"));
  parse_internal_link("t.me/username/0?appname=asd", public_chat("username"));
  parse_internal_link("t.me/username/-1?appname=asdasd", public_chat("username"));
  parse_internal_link("t.me/username?appname=asd", public_chat("username"));
  parse_internal_link("t.me/username?appname=", public_chat("username"));
  parse_internal_link("t.me/username#appname=asdas", public_chat("username"));
  parse_internal_link("t.me//username?appname=asd", nullptr);
  parse_internal_link("https://telegram.dog/tele%63ram?appname=t%63st", public_chat("telecram"));
  parse_internal_link("t.me/username/def/asd", public_chat("username"));