tdlight/td/telegram/net/MtprotoHeader.cpp

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//
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// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2024
//
// 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/net/MtprotoHeader.h"
#include "td/telegram/JsonValue.h"
#include "td/telegram/LanguagePackManager.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/Version.h"
#include "td/tl/tl_object_store.h"
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#include "td/utils/Slice.h"
#include "td/utils/tl_helpers.h"
namespace td {
namespace {
class HeaderStorer {
public:
HeaderStorer(const MtprotoHeader::Options &options, bool is_anonymous)
: options(options), is_anonymous(is_anonymous) {
}
template <class StorerT>
void store(StorerT &storer) const {
using td::store;
// invokeWithLayer
store(static_cast<int32>(0xda9b0d0d), storer);
store(MTPROTO_LAYER, storer);
// initConnection
store(static_cast<int32>(0xc1cd5ea9), storer);
int32 flags = 0;
bool have_proxy = !is_anonymous && options.proxy.type() == Proxy::Type::Mtproto;
if (have_proxy) {
flags |= 1 << 0;
}
if (!is_anonymous) {
flags |= 1 << 1;
}
if (options.is_emulator) {
flags |= 1 << 10;
}
store(flags, storer);
store(options.api_id, storer);
if (is_anonymous) {
store(Slice("n/a"), storer);
store(Slice("n/a"), storer);
} else {
store(options.device_model, storer);
store(options.system_version, storer);
}
store(options.application_version, storer);
store(options.system_language_code, storer);
if (is_anonymous || options.language_pack.empty() ||
LanguagePackManager::is_custom_language_code(options.language_code)) {
store(Slice(), storer);
store(Slice(), storer);
} else {
store(options.language_pack, storer);
if (options.language_code.empty()) {
store(Slice("en"), storer);
} else {
store(options.language_code, storer);
}
}
if (have_proxy) {
// inputClientProxy
store(static_cast<int32>(0x75588b3f), storer);
store(Slice(options.proxy.server()), storer);
store(options.proxy.port(), storer);
}
if (!is_anonymous) {
telegram_api::object_ptr<telegram_api::JSONValue> json_value;
if (options.parameters.empty()) {
json_value = make_tl_object<telegram_api::jsonObject>(vector<tl_object_ptr<telegram_api::jsonObjectValue>>());
} else {
auto parameters_copy = options.parameters;
json_value = get_input_json_value(parameters_copy).move_as_ok();
}
CHECK(json_value != nullptr);
if (json_value->get_id() == telegram_api::jsonObject::ID) {
auto &values = static_cast<telegram_api::jsonObject *>(json_value.get())->value_;
bool has_tz_offset = false;
for (auto &value : values) {
if (value->key_ == "tz_offset") {
has_tz_offset = true;
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value->value_ = make_tl_object<telegram_api::jsonNumber>(options.tz_offset);
}
}
if (!has_tz_offset) {
values.push_back(make_tl_object<telegram_api::jsonObjectValue>(
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"tz_offset", make_tl_object<telegram_api::jsonNumber>(options.tz_offset)));
}
}
TlStoreBoxedUnknown<TlStoreObject>::store(json_value, storer);
}
}
private:
const MtprotoHeader::Options &options;
bool is_anonymous;
};
} // namespace
string MtprotoHeader::gen_header(const MtprotoHeader::Options &options, bool is_anonymous) {
HeaderStorer storer(options, is_anonymous);
return serialize(storer);
}
} // namespace td