193 lines
6.6 KiB
C++
193 lines
6.6 KiB
C++
//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2020
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#include "td/telegram/Client.h"
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#include "td/telegram/td_api.h"
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#include "td/utils/base64.h"
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#include "td/utils/common.h"
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#include "td/utils/filesystem.h"
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#include "td/utils/logging.h"
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#include "td/utils/misc.h"
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#include <algorithm>
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#include <cstdlib>
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#include <iostream>
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#include <utility>
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static void usage() {
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td::TsCerr() << "Tests specified MTProto-proxies, outputs working proxies to stdout; exits with code 0 if a working "
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"proxy was found.\n";
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td::TsCerr() << "Usage: check_proxy [options] server:port:secret [server2:port2:secret2 ...]\n";
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td::TsCerr() << "Options:\n";
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td::TsCerr() << " -v<N>\tSet verbosity level to N\n";
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td::TsCerr() << " -h/--help\tDisplay this information\n";
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td::TsCerr() << " -d/--dc-id\tIdentifier of a datacenter, to which try to connect (default is 2)\n";
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td::TsCerr() << " -l/--proxy-list\tName of a file with proxies to check; one proxy per line\n";
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td::TsCerr() << " -t/--timeout\tMaximum overall timeout for the request (default is 10 seconds)\n";
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std::exit(2);
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}
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int main(int argc, char **argv) {
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int new_verbosity_level = VERBOSITY_NAME(FATAL);
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td::vector<std::pair<td::string, td::td_api::object_ptr<td::td_api::testProxy>>> requests;
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auto add_proxy = [&requests](td::string arg) {
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if (arg.empty()) {
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return;
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}
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std::size_t offset = 0;
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if (arg[0] == '[') {
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auto end_ipv6_pos = arg.find(']');
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if (end_ipv6_pos == td::string::npos) {
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td::TsCerr() << "Error: failed to find end of IPv6 address in \"" << arg << "\"\n";
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usage();
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}
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offset = end_ipv6_pos;
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}
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if (std::count(arg.begin() + offset, arg.end(), ':') == 3) {
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auto secret_domain_pos = arg.find(':', arg.find(':', offset) + 1) + 1;
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auto domain_pos = arg.find(':', secret_domain_pos);
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auto secret = arg.substr(secret_domain_pos, domain_pos - secret_domain_pos);
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auto domain = arg.substr(domain_pos + 1);
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auto r_decoded_secret = td::hex_decode(secret);
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if (r_decoded_secret.is_error()) {
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r_decoded_secret = td::base64url_decode(secret);
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if (r_decoded_secret.is_error()) {
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td::TsCerr() << "Error: failed to find proxy port and secret in \"" << arg << "\"\n";
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usage();
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}
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}
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arg = arg.substr(0, secret_domain_pos) + td::base64url_encode(r_decoded_secret.ok() + domain);
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}
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auto secret_pos = arg.rfind(':');
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if (secret_pos == td::string::npos) {
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td::TsCerr() << "Error: failed to find proxy port and secret in \"" << arg << "\"\n";
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usage();
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}
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auto secret = arg.substr(secret_pos + 1);
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auto port_pos = arg.substr(0, secret_pos).rfind(':');
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if (port_pos == td::string::npos) {
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td::TsCerr() << "Error: failed to find proxy secret in \"" << arg << "\"\n";
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usage();
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}
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auto r_port = td::to_integer_safe<td::int32>(arg.substr(port_pos + 1, secret_pos - port_pos - 1));
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if (r_port.is_error()) {
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td::TsCerr() << "Error: failed to parse proxy port in \"" << arg << "\"\n";
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usage();
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}
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auto port = r_port.move_as_ok();
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auto server = arg.substr(0, port_pos);
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if (server[0] == '[' && server.back() == ']') {
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server = server.substr(1, server.size() - 2);
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}
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if (server.empty() || port <= 0 || port > 65536 || secret.empty()) {
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td::TsCerr() << "Error: proxy address to check is in wrong format: \"" << arg << "\"\n";
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usage();
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}
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requests.emplace_back(arg,
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td::td_api::make_object<td::td_api::testProxy>(
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server, port, td::td_api::make_object<td::td_api::proxyTypeMtproto>(secret), -1, -1));
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};
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td::int32 dc_id = 2;
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double timeout = 10.0;
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for (int i = 1; i < argc; i++) {
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td::string arg(argv[i]);
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auto get_next_arg = [&i, &arg, argc, argv](bool is_optional = false) {
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CHECK(arg.size() >= 2);
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if (arg.size() == 2 || arg[1] == '-') {
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if (i + 1 < argc && argv[i + 1][0] != '-') {
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return td::string(argv[++i]);
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}
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} else {
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if (arg.size() > 2) {
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return arg.substr(2);
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}
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}
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if (!is_optional) {
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td::TsCerr() << "Error: value is required after " << arg << "\n";
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usage();
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}
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return td::string();
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};
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if (td::begins_with(arg, "-v")) {
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arg = get_next_arg(true);
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int new_verbosity = 1;
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while (arg[0] == 'v') {
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new_verbosity++;
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arg = arg.substr(1);
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}
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if (!arg.empty()) {
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new_verbosity += td::to_integer<int>(arg) - (new_verbosity == 1);
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}
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new_verbosity_level = VERBOSITY_NAME(FATAL) + new_verbosity;
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} else if (td::begins_with(arg, "-t") || arg == "--timeout") {
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timeout = td::to_double(get_next_arg());
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} else if (td::begins_with(arg, "-d") || arg == "--dc-id") {
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dc_id = td::to_integer<td::int32>(get_next_arg());
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} else if (td::begins_with(arg, "-l") || arg == "--proxy-list") {
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auto r_proxies = td::read_file_str(get_next_arg());
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if (r_proxies.is_error()) {
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td::TsCerr() << "Error: wrong file name specified\n";
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usage();
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}
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for (auto &proxy : td::full_split(r_proxies.ok(), '\n')) {
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add_proxy(td::trim(proxy));
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}
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} else if (arg[0] == '-') {
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usage();
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} else {
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add_proxy(arg);
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}
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}
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if (requests.empty()) {
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td::TsCerr() << "Error: proxy address to check is not specified\n";
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usage();
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}
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SET_VERBOSITY_LEVEL(new_verbosity_level);
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td::ClientManager client_manager;
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auto client_id = client_manager.create_client();
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for (size_t i = 0; i < requests.size(); i++) {
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auto &request = requests[i].second;
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request->dc_id_ = dc_id;
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request->timeout_ = timeout;
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client_manager.send(client_id, i + 1, std::move(request));
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}
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size_t successful_requests = 0;
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size_t failed_requests = 0;
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while (successful_requests + failed_requests != requests.size()) {
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auto response = client_manager.receive(100.0);
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CHECK(client_id == response.client_id);
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if (1 <= response.request_id && response.request_id <= requests.size()) {
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auto &proxy = requests[static_cast<size_t>(response.request_id - 1)].first;
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if (response.object->get_id() == td::td_api::error::ID) {
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LOG(ERROR) << proxy << ": " << to_string(response.object);
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failed_requests++;
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} else {
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std::cout << proxy << std::endl;
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successful_requests++;
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}
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}
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}
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if (successful_requests == 0) {
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return 1;
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}
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}
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