tdlight/td/telegram/LinkManager.cpp

1160 lines
41 KiB
C++
Raw Normal View History

2021-05-25 01:24:30 +02:00
//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2021
//
// 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/ChannelId.h"
#include "td/telegram/ConfigShared.h"
#include "td/telegram/ContactsManager.h"
#include "td/telegram/Global.h"
2021-05-25 18:05:17 +02:00
#include "td/telegram/MessageEntity.h"
#include "td/telegram/MessagesManager.h"
2021-05-25 01:24:30 +02:00
#include "td/telegram/Td.h"
#include "td/telegram/telegram_api.h"
#include "td/telegram/UserId.h"
2021-05-29 02:51:31 +02:00
#include "td/mtproto/ProxySecret.h"
#include "td/utils/algorithm.h"
2021-05-30 02:25:45 +02:00
#include "td/utils/base64.h"
#include "td/utils/buffer.h"
2021-05-25 01:53:25 +02:00
#include "td/utils/HttpUrl.h"
#include "td/utils/logging.h"
2021-05-31 03:15:33 +02:00
#include "td/utils/misc.h"
2021-05-25 01:53:25 +02:00
#include "td/utils/SliceBuilder.h"
2021-05-25 01:24:30 +02:00
namespace td {
2021-05-30 02:25:45 +02:00
static bool is_valid_start_parameter(Slice start_parameter) {
return start_parameter.size() <= 64 && is_base64url_characters(start_parameter);
}
2021-05-31 03:15:33 +02:00
static bool is_valid_username(Slice username) {
if (username.empty() || username.size() > 32) {
return false;
}
if (!is_alpha(username[0])) {
return false;
}
for (auto c : username) {
if (!is_alpha(c) && !is_digit(c) && c != '_') {
return false;
}
}
if (username.back() == '_') {
return false;
}
for (size_t i = 1; i < username.size(); i++) {
if (username[i - 1] == '_' && username[i] == '_') {
return false;
}
}
return true;
}
2021-06-01 02:55:08 +02:00
class LinkManager::InternalLinkActiveSessions : public InternalLink {
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeActiveSessions>();
}
};
class LinkManager::InternalLinkAuthenticationCode : public InternalLink {
string code_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeAuthenticationCode>(code_);
}
public:
explicit InternalLinkAuthenticationCode(string code) : code_(std::move(code)) {
}
};
class LinkManager::InternalLinkBackground : public InternalLink {
string background_name_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeBackground>(background_name_);
}
public:
2021-05-25 18:05:17 +02:00
explicit InternalLinkBackground(string background_name) : background_name_(std::move(background_name)) {
}
};
2021-05-30 02:25:45 +02:00
class LinkManager::InternalLinkBotStart : public InternalLink {
string bot_username_;
string start_parameter_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeBotStart>(bot_username_, start_parameter_);
}
public:
InternalLinkBotStart(string bot_username, string start_parameter)
: bot_username_(std::move(bot_username)), start_parameter_(std::move(start_parameter)) {
}
};
class LinkManager::InternalLinkBotStartInGroup : public InternalLink {
string bot_username_;
string start_parameter_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeBotStartInGroup>(bot_username_, start_parameter_);
}
public:
InternalLinkBotStartInGroup(string bot_username, string start_parameter)
: bot_username_(std::move(bot_username)), start_parameter_(std::move(start_parameter)) {
}
};
2021-06-01 02:55:08 +02:00
class LinkManager::InternalLinkChangePhoneNumber : public InternalLink {
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeChangePhoneNumber>();
}
};
class LinkManager::InternalLinkConfirmPhone : public InternalLink {
string hash_;
string phone_number_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypePhoneNumberConfirmation>(hash_, phone_number_);
}
public:
InternalLinkConfirmPhone(string hash, string phone_number)
: hash_(std::move(hash)), phone_number_(std::move(phone_number)) {
}
};
2021-05-28 16:27:30 +02:00
class LinkManager::InternalLinkDialogInvite : public InternalLink {
2021-05-27 17:37:01 +02:00
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
2021-05-28 16:27:30 +02:00
return td_api::make_object<td_api::internalLinkTypeChatInvite>();
2021-05-27 17:37:01 +02:00
}
};
2021-06-01 02:55:08 +02:00
class LinkManager::InternalLinkFilterSettings : public InternalLink {
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeFilterSettings>();
}
};
2021-05-30 02:46:06 +02:00
class LinkManager::InternalLinkGame : public InternalLink {
string bot_username_;
string game_short_name_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeGame>(bot_username_, game_short_name_);
}
public:
InternalLinkGame(string bot_username, string game_short_name)
: bot_username_(std::move(bot_username)), game_short_name_(std::move(game_short_name)) {
}
};
2021-05-28 18:26:09 +02:00
class LinkManager::InternalLinkLanguage : public InternalLink {
string language_pack_id_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeLanguagePack>(language_pack_id_);
}
public:
explicit InternalLinkLanguage(string language_pack_id) : language_pack_id_(std::move(language_pack_id)) {
}
};
class LinkManager::InternalLinkMessage : public InternalLink {
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeMessage>();
}
};
2021-05-25 18:05:17 +02:00
class LinkManager::InternalLinkMessageDraft : public InternalLink {
FormattedText text_;
bool contains_link_ = false;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeMessageDraft>(get_formatted_text_object(text_), contains_link_);
}
public:
InternalLinkMessageDraft(FormattedText &&text, bool contains_link)
: text_(std::move(text)), contains_link_(contains_link) {
}
};
class LinkManager::InternalLinkPassportDataRequest : public InternalLink {
UserId bot_user_id_;
string scope_;
string public_key_;
string nonce_;
string callback_url_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypePassportDataRequest>(bot_user_id_.get(), scope_, public_key_,
nonce_, callback_url_);
}
public:
InternalLinkPassportDataRequest(UserId bot_user_id, string scope, string public_key, string nonce,
string callback_url)
: bot_user_id_(bot_user_id)
, scope_(std::move(scope))
, public_key_(std::move(public_key))
, nonce_(std::move(nonce))
, callback_url_(std::move(callback_url)) {
}
};
2021-05-29 02:51:31 +02:00
class LinkManager::InternalLinkProxy : public InternalLink {
string server_;
int32 port_;
td_api::object_ptr<td_api::ProxyType> type_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
CHECK(type_ != nullptr);
auto proxy_type = [type = type_.get()]() -> td_api::object_ptr<td_api::ProxyType> {
switch (type->get_id()) {
case td_api::proxyTypeSocks5::ID: {
auto type_socks = static_cast<const td_api::proxyTypeSocks5 *>(type);
return td_api::make_object<td_api::proxyTypeSocks5>(type_socks->username_, type_socks->password_);
}
case td_api::proxyTypeMtproto::ID: {
auto type_mtproto = static_cast<const td_api::proxyTypeMtproto *>(type);
return td_api::make_object<td_api::proxyTypeMtproto>(type_mtproto->secret_);
}
default:
UNREACHABLE();
return nullptr;
}
}();
return td_api::make_object<td_api::internalLinkTypeProxy>(server_, port_, std::move(proxy_type));
}
public:
InternalLinkProxy(string server, int32 port, td_api::object_ptr<td_api::ProxyType> type)
: server_(std::move(server)), port_(port), type_(std::move(type)) {
}
};
2021-05-31 03:15:33 +02:00
class LinkManager::InternalLinkPublicDialog : public InternalLink {
string dialog_username_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypePublicChat>(dialog_username_);
}
public:
explicit InternalLinkPublicDialog(string dialog_username) : dialog_username_(std::move(dialog_username)) {
}
};
class LinkManager::InternalLinkQrCodeAuthentication : public InternalLink {
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeQrCodeAuthentication>();
}
};
2021-06-01 02:55:08 +02:00
class LinkManager::InternalLinkSettings : public InternalLink {
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeSettings>();
}
};
2021-05-28 16:27:30 +02:00
class LinkManager::InternalLinkStickerSet : public InternalLink {
string sticker_set_name_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeStickerSet>(sticker_set_name_);
}
public:
explicit InternalLinkStickerSet(string sticker_set_name) : sticker_set_name_(std::move(sticker_set_name)) {
}
};
2021-05-28 18:50:54 +02:00
class LinkManager::InternalLinkTheme : public InternalLink {
string theme_name_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
2021-05-28 19:36:05 +02:00
return td_api::make_object<td_api::internalLinkTypeTheme>(theme_name_);
2021-05-28 18:50:54 +02:00
}
public:
explicit InternalLinkTheme(string theme_name) : theme_name_(std::move(theme_name)) {
}
};
2021-06-01 02:55:08 +02:00
class LinkManager::InternalLinkThemeSettings : public InternalLink {
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeThemeSettings>();
}
};
2021-05-25 18:30:23 +02:00
class LinkManager::InternalLinkUnknownDeepLink : public InternalLink {
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
return td_api::make_object<td_api::internalLinkTypeUnknownDeepLink>();
}
};
2021-05-30 01:05:23 +02:00
class LinkManager::InternalLinkVoiceChat : public InternalLink {
2021-05-31 03:15:33 +02:00
string dialog_username_;
2021-05-30 01:05:23 +02:00
string invite_hash_;
td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
2021-05-31 03:15:33 +02:00
return td_api::make_object<td_api::internalLinkTypeVoiceChat>(dialog_username_, invite_hash_);
2021-05-30 01:05:23 +02:00
}
public:
2021-05-31 03:15:33 +02:00
InternalLinkVoiceChat(string dialog_username, string invite_hash)
: dialog_username_(std::move(dialog_username)), invite_hash_(std::move(invite_hash)) {
2021-05-30 01:05:23 +02:00
}
};
class RequestUrlAuthQuery : public Td::ResultHandler {
Promise<td_api::object_ptr<td_api::LoginUrlInfo>> promise_;
string url_;
DialogId dialog_id_;
public:
explicit RequestUrlAuthQuery(Promise<td_api::object_ptr<td_api::LoginUrlInfo>> &&promise)
: promise_(std::move(promise)) {
}
void send(string url, DialogId dialog_id, MessageId message_id, int32 button_id) {
url_ = std::move(url);
int32 flags = 0;
tl_object_ptr<telegram_api::InputPeer> input_peer;
if (dialog_id.is_valid()) {
dialog_id_ = dialog_id;
input_peer = td->messages_manager_->get_input_peer(dialog_id, AccessRights::Read);
CHECK(input_peer != nullptr);
flags |= telegram_api::messages_requestUrlAuth::PEER_MASK;
} else {
flags |= telegram_api::messages_requestUrlAuth::URL_MASK;
}
send_query(G()->net_query_creator().create(telegram_api::messages_requestUrlAuth(
flags, std::move(input_peer), message_id.get_server_message_id().get(), button_id, url_)));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::messages_requestUrlAuth>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
auto result = result_ptr.move_as_ok();
LOG(INFO) << "Receive " << to_string(result);
switch (result->get_id()) {
case telegram_api::urlAuthResultRequest::ID: {
auto request = telegram_api::move_object_as<telegram_api::urlAuthResultRequest>(result);
UserId bot_user_id = ContactsManager::get_user_id(request->bot_);
if (!bot_user_id.is_valid()) {
return on_error(id, Status::Error(500, "Receive invalid bot_user_id"));
}
td->contacts_manager_->on_get_user(std::move(request->bot_), "RequestUrlAuthQuery");
bool request_write_access =
(request->flags_ & telegram_api::urlAuthResultRequest::REQUEST_WRITE_ACCESS_MASK) != 0;
promise_.set_value(td_api::make_object<td_api::loginUrlInfoRequestConfirmation>(
url_, request->domain_, td->contacts_manager_->get_user_id_object(bot_user_id, "RequestUrlAuthQuery"),
request_write_access));
break;
}
case telegram_api::urlAuthResultAccepted::ID: {
auto accepted = telegram_api::move_object_as<telegram_api::urlAuthResultAccepted>(result);
promise_.set_value(td_api::make_object<td_api::loginUrlInfoOpen>(accepted->url_, true));
break;
}
case telegram_api::urlAuthResultDefault::ID:
promise_.set_value(td_api::make_object<td_api::loginUrlInfoOpen>(url_, false));
break;
}
}
void on_error(uint64 id, Status status) override {
if (!dialog_id_.is_valid() ||
!td->messages_manager_->on_get_dialog_error(dialog_id_, status, "RequestUrlAuthQuery")) {
LOG(INFO) << "RequestUrlAuthQuery returned " << status;
}
promise_.set_value(td_api::make_object<td_api::loginUrlInfoOpen>(url_, false));
}
};
class AcceptUrlAuthQuery : public Td::ResultHandler {
Promise<td_api::object_ptr<td_api::httpUrl>> promise_;
string url_;
DialogId dialog_id_;
public:
explicit AcceptUrlAuthQuery(Promise<td_api::object_ptr<td_api::httpUrl>> &&promise) : promise_(std::move(promise)) {
}
void send(string url, DialogId dialog_id, MessageId message_id, int32 button_id, bool allow_write_access) {
url_ = std::move(url);
int32 flags = 0;
tl_object_ptr<telegram_api::InputPeer> input_peer;
if (dialog_id.is_valid()) {
dialog_id_ = dialog_id;
input_peer = td->messages_manager_->get_input_peer(dialog_id, AccessRights::Read);
CHECK(input_peer != nullptr);
flags |= telegram_api::messages_acceptUrlAuth::PEER_MASK;
} else {
flags |= telegram_api::messages_acceptUrlAuth::URL_MASK;
}
if (allow_write_access) {
flags |= telegram_api::messages_acceptUrlAuth::WRITE_ALLOWED_MASK;
}
send_query(G()->net_query_creator().create(telegram_api::messages_acceptUrlAuth(
flags, false /*ignored*/, std::move(input_peer), message_id.get_server_message_id().get(), button_id, url_)));
}
void on_result(uint64 id, BufferSlice packet) override {
auto result_ptr = fetch_result<telegram_api::messages_acceptUrlAuth>(packet);
if (result_ptr.is_error()) {
return on_error(id, result_ptr.move_as_error());
}
auto result = result_ptr.move_as_ok();
LOG(INFO) << "Receive " << to_string(result);
switch (result->get_id()) {
case telegram_api::urlAuthResultRequest::ID:
LOG(ERROR) << "Receive unexpected " << to_string(result);
return on_error(id, Status::Error(500, "Receive unexpected urlAuthResultRequest"));
case telegram_api::urlAuthResultAccepted::ID: {
auto accepted = telegram_api::move_object_as<telegram_api::urlAuthResultAccepted>(result);
promise_.set_value(td_api::make_object<td_api::httpUrl>(accepted->url_));
break;
}
case telegram_api::urlAuthResultDefault::ID:
promise_.set_value(td_api::make_object<td_api::httpUrl>(url_));
break;
}
}
void on_error(uint64 id, Status status) override {
if (!dialog_id_.is_valid() ||
!td->messages_manager_->on_get_dialog_error(dialog_id_, status, "AcceptUrlAuthQuery")) {
LOG(INFO) << "AcceptUrlAuthQuery returned " << status;
}
promise_.set_error(std::move(status));
}
};
2021-05-25 01:24:30 +02:00
LinkManager::LinkManager(Td *td, ActorShared<> parent) : td_(td), parent_(std::move(parent)) {
}
LinkManager::~LinkManager() = default;
void LinkManager::tear_down() {
parent_.reset();
}
2021-05-25 01:53:25 +02:00
static bool tolower_begins_with(Slice str, Slice prefix) {
if (prefix.size() > str.size()) {
return false;
}
for (size_t i = 0; i < prefix.size(); i++) {
if (to_lower(str[i]) != prefix[i]) {
return false;
}
}
return true;
}
Result<string> LinkManager::check_link(Slice link) {
bool is_tg = false;
bool is_ton = false;
if (tolower_begins_with(link, "tg:")) {
link.remove_prefix(3);
is_tg = true;
} else if (tolower_begins_with(link, "ton:")) {
link.remove_prefix(4);
is_ton = true;
}
if ((is_tg || is_ton) && begins_with(link, "//")) {
link.remove_prefix(2);
}
TRY_RESULT(http_url, parse_url(link));
if (is_tg || is_ton) {
if (tolower_begins_with(link, "http://") || http_url.protocol_ == HttpUrl::Protocol::Https ||
!http_url.userinfo_.empty() || http_url.specified_port_ != 0 || http_url.is_ipv6_) {
return Status::Error(is_tg ? Slice("Wrong tg URL") : Slice("Wrong ton URL"));
}
Slice query(http_url.query_);
CHECK(query[0] == '/');
2021-05-26 00:21:52 +02:00
if (query.size() > 1 && query[1] == '?') {
2021-05-25 01:53:25 +02:00
query.remove_prefix(1);
}
return PSTRING() << (is_tg ? "tg" : "ton") << "://" << http_url.host_ << query;
}
if (http_url.host_.find('.') == string::npos && !http_url.is_ipv6_) {
return Status::Error("Wrong HTTP URL");
}
return http_url.get_url();
}
LinkManager::LinkInfo LinkManager::get_link_info(Slice link) {
LinkInfo result;
if (link.empty()) {
return result;
}
link.truncate(link.find('#'));
bool is_tg = false;
if (tolower_begins_with(link, "tg:")) {
link.remove_prefix(3);
if (begins_with(link, "//")) {
link.remove_prefix(2);
}
is_tg = true;
}
auto r_http_url = parse_url(link);
if (r_http_url.is_error()) {
return result;
}
auto http_url = r_http_url.move_as_ok();
if (!http_url.userinfo_.empty() || http_url.is_ipv6_) {
return result;
}
if (is_tg) {
if (tolower_begins_with(link, "http://") || http_url.protocol_ == HttpUrl::Protocol::Https ||
http_url.specified_port_ != 0) {
return result;
}
result.is_internal_ = true;
result.is_tg_ = true;
result.query_ = link.str();
return result;
} else {
if (http_url.port_ != 80 && http_url.port_ != 443) {
return result;
}
vector<Slice> t_me_urls{Slice("t.me"), Slice("telegram.me"), Slice("telegram.dog")};
if (Scheduler::context() != nullptr) { // for tests only
string cur_t_me_url = G()->shared_config().get_option_string("t_me_url");
if (tolower_begins_with(cur_t_me_url, "http://") || tolower_begins_with(cur_t_me_url, "https://")) {
Slice t_me_url = cur_t_me_url;
t_me_url = t_me_url.substr(t_me_url[4] == 's' ? 8 : 7);
if (!td::contains(t_me_urls, t_me_url)) {
t_me_urls.push_back(t_me_url);
}
}
}
auto host = url_decode(http_url.host_, false);
to_lower_inplace(host);
2021-05-25 18:05:17 +02:00
if (begins_with(host, "www.")) {
host = host.substr(4);
2021-05-25 18:05:17 +02:00
}
for (auto t_me_url : t_me_urls) {
2021-05-25 18:05:17 +02:00
if (host == t_me_url) {
result.is_internal_ = true;
result.is_tg_ = false;
2021-05-28 19:36:05 +02:00
Slice query = http_url.query_;
while (true) {
if (begins_with(query, "/s/")) {
query.remove_prefix(2);
continue;
}
if (begins_with(query, "/%73/")) {
query.remove_prefix(4);
continue;
}
break;
}
result.query_ = query.str();
return result;
}
}
}
return result;
}
unique_ptr<LinkManager::InternalLink> LinkManager::parse_internal_link(Slice link) {
auto info = get_link_info(link);
if (!info.is_internal_) {
return nullptr;
}
if (info.is_tg_) {
return parse_tg_link_query(info.query_);
} else {
return parse_t_me_link_query(info.query_);
}
}
namespace {
struct CopyArg {
Slice name_;
const HttpUrlQuery *url_query_;
bool *is_first_;
CopyArg(Slice name, const HttpUrlQuery *url_query, bool *is_first)
: name_(name), url_query_(url_query), is_first_(is_first) {
}
};
StringBuilder &operator<<(StringBuilder &string_builder, const CopyArg &copy_arg) {
auto arg = copy_arg.url_query_->get_arg(copy_arg.name_);
if (arg.empty()) {
return string_builder;
}
char c = *copy_arg.is_first_ ? '?' : '&';
*copy_arg.is_first_ = false;
return string_builder << c << copy_arg.name_ << '=' << url_encode(arg);
}
} // namespace
unique_ptr<LinkManager::InternalLink> LinkManager::parse_tg_link_query(Slice query) {
const auto url_query = parse_url_query(query);
const auto &path = url_query.path_;
bool is_first_arg = true;
auto copy_arg = [&](Slice name) {
return CopyArg(name, &url_query, &is_first_arg);
};
auto pass_arg = [&](Slice name) {
return url_encode(url_query.get_arg(name));
};
auto get_arg = [&](Slice name) {
return url_query.get_arg(name).str();
};
auto has_arg = [&](Slice name) {
return !url_query.get_arg(name).empty();
};
if (path.size() == 1 && path[0] == "resolve") {
2021-05-31 03:15:33 +02:00
if (is_valid_username(get_arg("domain"))) {
2021-05-30 01:05:23 +02:00
if (has_arg("post")) {
2021-05-30 02:46:06 +02:00
// resolve?domain=<username>&post=12345&single
2021-05-30 01:05:23 +02:00
return td::make_unique<InternalLinkMessage>();
}
for (auto &arg : url_query.args_) {
if (arg.first == "voicechat") {
2021-05-30 02:46:06 +02:00
// resolve?domain=<username>&voicechat
// resolve?domain=<username>&voicechat=<invite_hash>
2021-05-30 01:05:23 +02:00
return td::make_unique<InternalLinkVoiceChat>(get_arg("domain"), arg.second);
}
2021-05-30 02:25:45 +02:00
if (arg.first == "start" && is_valid_start_parameter(arg.second)) {
2021-05-30 02:46:06 +02:00
// resolve?domain=<bot_username>?start=<parameter>
2021-05-30 02:25:45 +02:00
return td::make_unique<InternalLinkBotStart>(get_arg("domain"), arg.second);
}
if (arg.first == "startgroup" && is_valid_start_parameter(arg.second)) {
2021-05-30 02:46:06 +02:00
// resolve?domain=<bot_username>?startgroup=<parameter>
2021-05-30 02:25:45 +02:00
return td::make_unique<InternalLinkBotStartInGroup>(get_arg("domain"), arg.second);
}
2021-05-30 02:46:06 +02:00
if (arg.first == "game" && !arg.second.empty()) {
// resolve?domain=<bot_username>?game=<short_name>
return td::make_unique<InternalLinkGame>(get_arg("domain"), arg.second);
}
2021-05-30 01:05:23 +02:00
}
if (get_arg("domain") == "telegrampassport") {
// resolve?domain=telegrampassport&bot_id=<bot_user_id>&scope=<scope>&public_key=<public_key>&nonce=<nonce>
return get_internal_link_passport(url_query.args_);
}
2021-05-31 03:15:33 +02:00
// resolve?domain=<username>
return td::make_unique<InternalLinkPublicDialog>(get_arg("domain"));
}
} else if (path.size() == 1 && path[0] == "login") {
// login?code=123456
if (has_arg("code")) {
return td::make_unique<InternalLinkAuthenticationCode>(get_arg("code"));
}
2021-05-30 02:46:06 +02:00
// login?token=<token>
if (has_arg("token")) {
return td::make_unique<InternalLinkQrCodeAuthentication>();
}
} else if (path.size() == 1 && path[0] == "passport") {
// passport?bot_id=<bot_user_id>&scope=<scope>&public_key=<public_key>&nonce=<nonce>
return get_internal_link_passport(url_query.args_);
2021-06-01 02:55:08 +02:00
} else if (path.size() >= 1 && path[0] == "settings") {
if (path.size() == 2 && path[1] == "change_number") {
// settings/change_number
return td::make_unique<InternalLinkChangePhoneNumber>();
}
if (path.size() == 2 && path[1] == "devices") {
// settings/devices
return td::make_unique<InternalLinkActiveSessions>();
}
if (path.size() == 2 && path[1] == "folders") {
// settings/folders
return td::make_unique<InternalLinkFilterSettings>();
}
if (path.size() == 2 && path[1] == "themes") {
// settings/themes
return td::make_unique<InternalLinkThemeSettings>();
}
// settings
return td::make_unique<InternalLinkSettings>();
2021-05-27 17:37:01 +02:00
} else if (path.size() == 1 && path[0] == "join") {
2021-05-30 02:46:06 +02:00
// join?invite=<hash>
2021-05-27 17:37:01 +02:00
if (has_arg("invite")) {
2021-05-28 16:27:30 +02:00
return td::make_unique<InternalLinkDialogInvite>();
}
} else if (path.size() == 1 && path[0] == "addstickers") {
2021-05-30 02:46:06 +02:00
// addstickers?set=<name>
2021-05-28 16:27:30 +02:00
if (has_arg("set")) {
return td::make_unique<InternalLinkStickerSet>(get_arg("set"));
2021-05-27 17:37:01 +02:00
}
2021-05-28 18:26:09 +02:00
} else if (path.size() == 1 && path[0] == "setlanguage") {
2021-05-30 02:46:06 +02:00
// setlanguage?lang=<name>
2021-05-28 18:26:09 +02:00
if (has_arg("lang")) {
return td::make_unique<InternalLinkLanguage>(get_arg("lang"));
}
2021-05-28 18:50:54 +02:00
} else if (path.size() == 1 && path[0] == "addtheme") {
2021-05-30 02:46:06 +02:00
// addtheme?slug=<name>
2021-05-28 18:50:54 +02:00
if (has_arg("slug")) {
return td::make_unique<InternalLinkTheme>(get_arg("slug"));
}
} else if (path.size() == 1 && path[0] == "confirmphone") {
if (has_arg("hash") && has_arg("phone")) {
// confirmphone?phone=<phone>&hash=<hash>
return td::make_unique<InternalLinkConfirmPhone>(get_arg("hash"), get_arg("phone"));
}
2021-05-29 02:51:31 +02:00
} else if (path.size() == 1 && path[0] == "socks") {
if (has_arg("server") && has_arg("port")) {
// socks?server=<server>&port=<port>&user=<user>&pass=<pass>
auto port = to_integer<int32>(get_arg("port"));
if (0 < port && port < 65536) {
return td::make_unique<InternalLinkProxy>(
get_arg("server"), port, td_api::make_object<td_api::proxyTypeSocks5>(get_arg("user"), get_arg("pass")));
}
}
} else if (path.size() == 1 && path[0] == "proxy") {
if (has_arg("server") && has_arg("port")) {
// proxy?server=<server>&port=<port>&secret=<secret>
auto port = to_integer<int32>(get_arg("port"));
if (0 < port && port < 65536 && mtproto::ProxySecret::from_link(get_arg("secret")).is_ok()) {
return td::make_unique<InternalLinkProxy>(get_arg("server"), port,
td_api::make_object<td_api::proxyTypeMtproto>(get_arg("secret")));
}
}
} else if (path.size() == 1 && path[0] == "privatepost") {
// privatepost?channel=123456789&msg_id=12345
if (has_arg("channel") && has_arg("msg_id")) {
return td::make_unique<InternalLinkMessage>();
}
} else if (path.size() == 1 && path[0] == "bg") {
// bg?color=<color>
// bg?gradient=<hex_color>-<hex_color>&rotation=...
// bg?gradient=<hex_color>~<hex_color>~<hex_color>~<hex_color>
// bg?slug=<background_name>&mode=blur+motion
// bg?slug=<pattern_name>&intensity=...&bg_color=...&mode=blur+motion
if (has_arg("color")) {
return td::make_unique<InternalLinkBackground>(pass_arg("color"));
}
if (has_arg("gradient")) {
return td::make_unique<InternalLinkBackground>(PSTRING() << pass_arg("gradient") << copy_arg("rotation"));
}
if (has_arg("slug")) {
return td::make_unique<InternalLinkBackground>(PSTRING()
<< pass_arg("slug") << copy_arg("mode") << copy_arg("intensity")
<< copy_arg("bg_color") << copy_arg("rotation"));
}
2021-05-25 18:05:17 +02:00
} else if (path.size() == 1 && (path[0] == "share" || path[0] == "msg" || path[0] == "msg_url")) {
// msg_url?url=<url>
// msg_url?url=<url>&text=<text>
return get_internal_link_message_draft(get_arg("url"), get_arg("text"));
}
2021-06-01 04:41:32 +02:00
if (!path.empty() && !path[0].empty()) {
2021-05-25 18:30:23 +02:00
return td::make_unique<InternalLinkUnknownDeepLink>();
}
return nullptr;
}
unique_ptr<LinkManager::InternalLink> LinkManager::parse_t_me_link_query(Slice query) {
CHECK(query[0] == '/');
const auto url_query = parse_url_query(query);
const auto &path = url_query.path_;
if (path.empty() || path[0].empty()) {
return nullptr;
}
bool is_first_arg = true;
auto copy_arg = [&](Slice name) {
return CopyArg(name, &url_query, &is_first_arg);
};
auto get_arg = [&](Slice name) {
return url_query.get_arg(name).str();
};
auto has_arg = [&](Slice name) {
return !url_query.get_arg(name).empty();
};
if (path[0] == "c") {
if (path.size() >= 3 && to_integer<int64>(path[1]) > 0 && to_integer<int64>(path[2]) > 0) {
// /c/123456789/12345
return td::make_unique<InternalLinkMessage>();
}
} else if (path[0] == "login") {
if (path.size() >= 2 && !path[1].empty()) {
// /login/<code>
return td::make_unique<InternalLinkAuthenticationCode>(path[1]);
}
2021-05-27 17:37:01 +02:00
} else if (path[0] == "joinchat") {
if (path.size() >= 2 && !path[1].empty()) {
// /joinchat/<link>
2021-05-28 16:27:30 +02:00
return td::make_unique<InternalLinkDialogInvite>();
}
2021-05-29 02:51:31 +02:00
} else if (path[0][0] == ' ' || path[0][0] == '+') {
if (path[0].size() >= 2) {
// /+<link>
return td::make_unique<InternalLinkDialogInvite>();
}
2021-05-28 16:27:30 +02:00
} else if (path[0] == "addstickers") {
if (path.size() >= 2 && !path[1].empty()) {
// /addstickers/<name>
return td::make_unique<InternalLinkStickerSet>(path[1]);
2021-05-27 17:37:01 +02:00
}
2021-05-28 18:26:09 +02:00
} else if (path[0] == "setlanguage") {
if (path.size() >= 2 && !path[1].empty()) {
// /setlanguage/<name>
return td::make_unique<InternalLinkLanguage>(path[1]);
}
2021-05-28 18:50:54 +02:00
} else if (path[0] == "addtheme") {
if (path.size() >= 2 && !path[1].empty()) {
// /addtheme/<name>
return td::make_unique<InternalLinkTheme>(path[1]);
}
} else if (path[0] == "confirmphone") {
if (has_arg("hash") && has_arg("phone")) {
// /confirmphone?phone=<phone>&hash=<hash>
return td::make_unique<InternalLinkConfirmPhone>(get_arg("hash"), get_arg("phone"));
}
2021-05-29 02:51:31 +02:00
} else if (path[0] == "socks") {
if (has_arg("server") && has_arg("port")) {
// /socks?server=<server>&port=<port>&user=<user>&pass=<pass>
auto port = to_integer<int32>(get_arg("port"));
if (0 < port && port < 65536) {
return td::make_unique<InternalLinkProxy>(
get_arg("server"), port, td_api::make_object<td_api::proxyTypeSocks5>(get_arg("user"), get_arg("pass")));
}
}
} else if (path[0] == "proxy") {
if (has_arg("server") && has_arg("port")) {
// /proxy?server=<server>&port=<port>&secret=<secret>
auto port = to_integer<int32>(get_arg("port"));
if (0 < port && port < 65536 && mtproto::ProxySecret::from_link(get_arg("secret")).is_ok()) {
return td::make_unique<InternalLinkProxy>(get_arg("server"), port,
td_api::make_object<td_api::proxyTypeMtproto>(get_arg("secret")));
}
2021-05-27 17:37:01 +02:00
}
} else if (path[0] == "bg") {
if (path.size() >= 2 && !path[1].empty()) {
// /bg/<hex_color>
// /bg/<hex_color>-<hex_color>?rotation=...
// /bg/<hex_color>~<hex_color>~<hex_color>~<hex_color>
// /bg/<background_name>?mode=blur+motion
// /bg/<pattern_name>?intensity=...&bg_color=...&mode=blur+motion
return td::make_unique<InternalLinkBackground>(PSTRING()
<< url_encode(path[1]) << copy_arg("mode") << copy_arg("intensity")
<< copy_arg("bg_color") << copy_arg("rotation"));
}
} else if (path[0] == "share" || path[0] == "msg") {
if (!(path.size() > 1 && (path[1] == "bookmarklet" || path[1] == "embed"))) {
// /share?url=<url>
// /share/url?url=<url>&text=<text>
return get_internal_link_message_draft(get_arg("url"), get_arg("text"));
}
2021-05-31 03:15:33 +02:00
} else if (is_valid_username(path[0])) {
if (path.size() >= 2 && to_integer<int64>(path[1]) > 0) {
2021-05-30 01:05:23 +02:00
// /<username>/12345?single&thread=<thread_id>&comment=<message_id>
return td::make_unique<InternalLinkMessage>();
2021-05-31 03:15:33 +02:00
}
for (auto &arg : url_query.args_) {
if (arg.first == "voicechat") {
// /<username>?voicechat
// /<username>?voicechat=<invite_hash>
return td::make_unique<InternalLinkVoiceChat>(path[0], arg.second);
}
if (arg.first == "start" && is_valid_start_parameter(arg.second)) {
// /<bot_username>?start=<parameter>
return td::make_unique<InternalLinkBotStart>(path[0], arg.second);
}
if (arg.first == "startgroup" && is_valid_start_parameter(arg.second)) {
// /<bot_username>?startgroup=<parameter>
return td::make_unique<InternalLinkBotStartInGroup>(path[0], arg.second);
}
if (arg.first == "game" && !arg.second.empty()) {
// /<bot_username>?game=<short_name>
return td::make_unique<InternalLinkGame>(path[0], arg.second);
2021-05-30 01:05:23 +02:00
}
}
2021-05-31 03:15:33 +02:00
// /<username>
return td::make_unique<InternalLinkPublicDialog>(path[0]);
}
return nullptr;
}
2021-05-25 18:05:17 +02:00
unique_ptr<LinkManager::InternalLink> LinkManager::get_internal_link_message_draft(Slice url, Slice text) {
if (url.empty() && text.empty()) {
return nullptr;
}
while (!text.empty() && text.back() == '\n') {
text.remove_suffix(1);
}
url = trim(url);
if (url.empty()) {
url = text;
text = Slice();
}
FormattedText full_text;
bool contains_url = false;
if (!text.empty()) {
contains_url = true;
full_text.text = PSTRING() << url << '\n' << text;
} else {
full_text.text = url.str();
}
if (fix_formatted_text(full_text.text, full_text.entities, false, false, false, true).is_error()) {
return nullptr;
}
2021-05-25 18:33:39 +02:00
if (full_text.text[0] == '@') {
full_text.text = ' ' + full_text.text;
for (auto &entity : full_text.entities) {
entity.offset++;
}
}
2021-05-25 18:05:17 +02:00
return td::make_unique<InternalLinkMessageDraft>(std::move(full_text), contains_url);
}
unique_ptr<LinkManager::InternalLink> LinkManager::get_internal_link_passport(
const vector<std::pair<string, string>> &args) {
auto get_arg = [&args](Slice key) {
for (auto &arg : args) {
if (arg.first == key) {
return Slice(arg.second);
}
}
return Slice();
};
UserId bot_user_id(to_integer<int32>(get_arg("bot_id")));
auto scope = get_arg("scope");
auto public_key = get_arg("public_key");
auto nonce = get_arg("nonce");
if (nonce.empty()) {
nonce = get_arg("payload");
}
auto callback_url = get_arg("callback_url");
if (!bot_user_id.is_valid() || scope.empty() || public_key.empty() || nonce.empty()) {
return td::make_unique<InternalLinkUnknownDeepLink>();
}
return td::make_unique<InternalLinkPassportDataRequest>(bot_user_id, scope.str(), public_key.str(), nonce.str(),
callback_url.str());
}
void LinkManager::get_login_url_info(DialogId dialog_id, MessageId message_id, int32 button_id,
Promise<td_api::object_ptr<td_api::LoginUrlInfo>> &&promise) {
TRY_RESULT_PROMISE(promise, url, td_->messages_manager_->get_login_button_url(dialog_id, message_id, button_id));
td_->create_handler<RequestUrlAuthQuery>(std::move(promise))->send(std::move(url), dialog_id, message_id, button_id);
}
void LinkManager::get_login_url(DialogId dialog_id, MessageId message_id, int32 button_id, bool allow_write_access,
Promise<td_api::object_ptr<td_api::httpUrl>> &&promise) {
TRY_RESULT_PROMISE(promise, url, td_->messages_manager_->get_login_button_url(dialog_id, message_id, button_id));
td_->create_handler<AcceptUrlAuthQuery>(std::move(promise))
->send(std::move(url), dialog_id, message_id, button_id, allow_write_access);
}
void LinkManager::get_link_login_url_info(const string &url,
Promise<td_api::object_ptr<td_api::LoginUrlInfo>> &&promise) {
if (G()->close_flag()) {
return promise.set_value(td_api::make_object<td_api::loginUrlInfoOpen>(url, false));
}
td_->create_handler<RequestUrlAuthQuery>(std::move(promise))->send(url, DialogId(), MessageId(), 0);
}
void LinkManager::get_link_login_url(const string &url, bool allow_write_access,
Promise<td_api::object_ptr<td_api::httpUrl>> &&promise) {
td_->create_handler<AcceptUrlAuthQuery>(std::move(promise))
->send(url, DialogId(), MessageId(), 0, allow_write_access);
}
string LinkManager::get_dialog_invite_link_hash(Slice invite_link) {
auto link_info = get_link_info(invite_link);
if (!link_info.is_internal_) {
return string();
}
const auto url_query = parse_url_query(link_info.query_);
const auto &path = url_query.path_;
if (link_info.is_tg_) {
if (path.size() == 1 && path[0] == "join" && !url_query.get_arg("invite").empty()) {
// join?invite=abcdef
return url_query.get_arg("invite").str();
}
} else {
if (path.size() >= 2 && path[0] == "joinchat" && !path[1].empty()) {
// /joinchat/<link>
return path[1];
}
if (path.size() >= 1 && path[0].size() >= 2 && (path[0][0] == ' ' || path[0][0] == '+')) {
// /+<link>
return path[0].substr(1);
}
}
return string();
}
Result<MessageLinkInfo> LinkManager::get_message_link_info(Slice url) {
if (url.empty()) {
return Status::Error("URL must be non-empty");
}
auto link_info = get_link_info(url);
if (!link_info.is_internal_) {
return Status::Error("Invalid message link URL");
}
url = link_info.query_;
Slice username;
Slice channel_id_slice;
Slice message_id_slice;
Slice comment_message_id_slice = "0";
bool is_single = false;
bool for_comment = false;
if (link_info.is_tg_) {
// resolve?domain=username&post=12345&single
// privatepost?channel=123456789&msg_id=12345
bool is_resolve = false;
if (begins_with(url, "resolve")) {
url = url.substr(7);
is_resolve = true;
} else if (begins_with(url, "privatepost")) {
url = url.substr(11);
} else {
return Status::Error("Wrong message link URL");
}
if (begins_with(url, "/")) {
url = url.substr(1);
}
if (!begins_with(url, "?")) {
return Status::Error("Wrong message link URL");
}
url = url.substr(1);
auto args = full_split(url, '&');
for (auto arg : args) {
auto key_value = split(arg, '=');
if (is_resolve) {
if (key_value.first == "domain") {
username = key_value.second;
}
if (key_value.first == "post") {
message_id_slice = key_value.second;
}
} else {
if (key_value.first == "channel") {
channel_id_slice = key_value.second;
}
if (key_value.first == "msg_id") {
message_id_slice = key_value.second;
}
}
if (key_value.first == "single") {
is_single = true;
}
if (key_value.first == "comment") {
comment_message_id_slice = key_value.second;
}
if (key_value.first == "thread") {
for_comment = true;
}
}
} else {
// /c/123456789/12345
// /username/12345?single
CHECK(!url.empty() && url[0] == '/');
url.remove_prefix(1);
auto username_end_pos = url.find('/');
if (username_end_pos == Slice::npos) {
return Status::Error("Wrong message link URL");
}
username = url.substr(0, username_end_pos);
url = url.substr(username_end_pos + 1);
if (username == "c") {
username = Slice();
auto channel_id_end_pos = url.find('/');
if (channel_id_end_pos == Slice::npos) {
return Status::Error("Wrong message link URL");
}
channel_id_slice = url.substr(0, channel_id_end_pos);
url = url.substr(channel_id_end_pos + 1);
}
auto query_pos = url.find('?');
message_id_slice = url.substr(0, query_pos);
if (query_pos != Slice::npos) {
auto args = full_split(url.substr(query_pos + 1), '&');
for (auto arg : args) {
auto key_value = split(arg, '=');
if (key_value.first == "single") {
is_single = true;
}
if (key_value.first == "comment") {
comment_message_id_slice = key_value.second;
}
if (key_value.first == "thread") {
for_comment = true;
}
}
}
}
ChannelId channel_id;
if (username.empty()) {
auto r_channel_id = to_integer_safe<int32>(channel_id_slice);
if (r_channel_id.is_error() || !ChannelId(r_channel_id.ok()).is_valid()) {
return Status::Error("Wrong channel ID");
}
channel_id = ChannelId(r_channel_id.ok());
}
auto r_message_id = to_integer_safe<int32>(message_id_slice);
if (r_message_id.is_error() || !ServerMessageId(r_message_id.ok()).is_valid()) {
return Status::Error("Wrong message ID");
}
auto r_comment_message_id = to_integer_safe<int32>(comment_message_id_slice);
if (r_comment_message_id.is_error() ||
!(r_comment_message_id.ok() == 0 || ServerMessageId(r_comment_message_id.ok()).is_valid())) {
return Status::Error("Wrong comment message ID");
}
MessageLinkInfo info;
info.username = username.str();
info.channel_id = channel_id;
info.message_id = MessageId(ServerMessageId(r_message_id.ok()));
info.comment_message_id = MessageId(ServerMessageId(r_comment_message_id.ok()));
info.is_single = is_single;
info.for_comment = for_comment;
LOG(INFO) << "Have link to " << info.message_id << " in chat @" << info.username << "/" << channel_id.get();
return std::move(info);
}
2021-05-25 01:24:30 +02:00
} // namespace td