Add optional administrator_rights to internalLinkTypeBotStartInGroup.

td/generate/scheme/td_api.tl

@@ -3371,9 +3371,13 @@ internalLinkTypeBackground background_name:string = InternalLinkType;
 internalLinkTypeBotStart bot_username:string start_parameter:string = InternalLinkType;
 
 //@description The link is a link to a Telegram bot, which is supposed to be added to a group chat. Call searchPublicChat with the given bot username, check that the user is a bot and can be added to groups,
-//-ask the current user to select a basic group or a supergroup chat to add the bot to, and then call sendBotStartMessage with the given start parameter and the chosen chat. Bots can be added to a public supergroup only by administrators of the supergroup
+//-ask the current user to select a basic group or a supergroup chat to add the bot to, taking into account that bots can be added to a public supergroup only by administrators of the supergroup.
-//@bot_username Username of the bot @start_parameter The parameter to be passed to sendBotStartMessage
+//-If administrator rights are provided by the link, call getChatMember to receive the current bot rights in the chat and if the bot already is an administrator,
-internalLinkTypeBotStartInGroup bot_username:string start_parameter:string = InternalLinkType;
+//-check that the current user can edit its administrator rights, combine received rights with the requested administrator rights, show confirmation box to the user,
+//-and call setChatMemberStatus with the chosen chat and confirmed administrator rights. Before call to setChatMemberStatus it may be required to upgrade the chosen basic group chat to a supergroup chat.
+//-Then if start_parameter isn't empty, call sendBotStartMessage with the given start parameter and the chosen chat, otherwise just send /start message with bot's username added to the chat.
+//@bot_username Username of the bot @start_parameter The parameter to be passed to sendBotStartMessage @administrator_rights Expected administrator rights for the bot; may be null
+internalLinkTypeBotStartInGroup bot_username:string start_parameter:string administrator_rights:chatAdministratorRights = InternalLinkType;
 
 //@description The link is a link to a Telegram bot, which is supposed to be added to a channel chat as an administrator. Call searchPublicChat with the given bot username and check that the user is a bot,
 //-ask the current user to select a channel chat to add the bot to as an administrator. Then call getChatMember to receive the current bot rights in the chat and if the bot already is an administrator,

td/telegram/LinkManager.cpp

@@ -228,14 +228,20 @@ class LinkManager::InternalLinkBotStart final : public InternalLink {
 class LinkManager::InternalLinkBotStartInGroup final : public InternalLink {
   string bot_username_;
   string start_parameter_;
+  AdministratorRights administrator_rights_;
 
   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_);
+    return td_api::make_object<td_api::internalLinkTypeBotStartInGroup>(
+        bot_username_, start_parameter_,
+        administrator_rights_ == AdministratorRights() ? nullptr
+                                                       : administrator_rights_.get_chat_administrator_rights_object());
   }
 
  public:
-  InternalLinkBotStartInGroup(string bot_username, string start_parameter)
+  InternalLinkBotStartInGroup(string bot_username, string start_parameter, AdministratorRights &&administrator_rights)
-      : bot_username_(std::move(bot_username)), start_parameter_(std::move(start_parameter)) {
+      : bot_username_(std::move(bot_username))
+      , start_parameter_(std::move(start_parameter))
+      , administrator_rights_(std::move(administrator_rights)) {
   }
 };
 
@@ -914,7 +920,11 @@ unique_ptr<LinkManager::InternalLink> LinkManager::parse_tg_link_query(Slice que
         }
         if (arg.first == "startgroup" && is_valid_start_parameter(arg.second)) {
           // resolve?domain=<bot_username>&startgroup=<parameter>
-          return td::make_unique<InternalLinkBotStartInGroup>(std::move(username), arg.second);
+          // resolve?domain=<bot_username>&startgroup=>parameter>&admin=change_info+delete_messages+restrict_members
+          // resolve?domain=<bot_username>&startgroup&admin=change_info+delete_messages+restrict_members
+          auto administrator_rights = get_administrator_rights(url_query.get_arg("admin"), false);
+          return td::make_unique<InternalLinkBotStartInGroup>(std::move(username), arg.second,
+                                                              std::move(administrator_rights));
         }
         if (arg.first == "startchannel") {
           // resolve?domain=<bot_username>&startchannel&admin=change_info+post_messages+promote_members
@@ -1219,7 +1229,11 @@ unique_ptr<LinkManager::InternalLink> LinkManager::parse_t_me_link_query(Slice q
       }
       if (arg.first == "startgroup" && is_valid_start_parameter(arg.second)) {
         // /<bot_username>?startgroup=<parameter>
-        return td::make_unique<InternalLinkBotStartInGroup>(std::move(username), arg.second);
+        // /<bot_username>?startgroup=<parameter>&admin=change_info+delete_messages+restrict_members
+        // /<bot_username>?startgroup&admin=change_info+delete_messages+restrict_members
+        auto administrator_rights = get_administrator_rights(url_query.get_arg("admin"), false);
+        return td::make_unique<InternalLinkBotStartInGroup>(std::move(username), arg.second,
+                                                            std::move(administrator_rights));
       }
       if (arg.first == "startchannel") {
         // /<bot_username>?startchannel&admin=change_info+post_messages+promote_members

test/link.cpp

@@ -117,8 +117,10 @@ TEST(Link, parse_internal_link) {
   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);
   };
-  auto bot_start_in_group = [](const td::string &bot_username, const td::string &start_parameter) {
+  auto bot_start_in_group = [](const td::string &bot_username, const td::string &start_parameter,
-    return td::td_api::make_object<td::td_api::internalLinkTypeBotStartInGroup>(bot_username, 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>();
@@ -640,14 +642,31 @@ TEST(Link, parse_internal_link) {
   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"));
+  parse_internal_link("tg:resolve?domain=username&startgroup=aasdasd",
-  parse_internal_link("TG://resolve?domain=username&startgroup=", bot_start_in_group("username", ""));
+                      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"));
+  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",
+                         td::td_api::make_object<td::td_api::chatAdministratorRights>(
+                             true, false, false, false, true, 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+promote_members+manage_video_chats+anonymous",
+      bot_start_in_group("username", "",
+                         td::td_api::make_object<td::td_api::chatAdministratorRights>(
+                             true, true, false, false, 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"));
@@ -661,14 +680,31 @@ TEST(Link, parse_internal_link) {
       bot_add_to_channel("username", td::td_api::make_object<td::td_api::chatAdministratorRights>(
                                          true, true, true, true, true, true, true, false, true, true, false)));
 
-  parse_internal_link("t.me/username/0/a//s/as?startgroup=", bot_start_in_group("username", ""));
+  parse_internal_link("t.me/username/0/a//s/as?startgroup=", bot_start_in_group("username", "", nullptr));
-  parse_internal_link("t.me/username/aasdas?test=1&startgroup=#12312", bot_start_in_group("username", ""));
+  parse_internal_link("t.me/username/aasdas?test=1&startgroup=#12312", bot_start_in_group("username", "", nullptr));
-  parse_internal_link("t.me/username/0?startgroup=", bot_start_in_group("username", ""));
+  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"));
+  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", ""));
+  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"));
+  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",
+                         td::td_api::make_object<td::td_api::chatAdministratorRights>(
+                             true, false, false, false, true, 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+promote_members+manage_video_chats+anonymous",
+      bot_start_in_group("username", "",
+                         td::td_api::make_object<td::td_api::chatAdministratorRights>(
+                             true, true, false, false, 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"));