Add LinkManager::get_proxy_link.

td/telegram/LinkManager.cpp

@@ -19,6 +19,7 @@
 #include "td/telegram/MessageId.h"
 #include "td/telegram/MessagesManager.h"
 #include "td/telegram/misc.h"
+#include "td/telegram/net/Proxy.h"
 #include "td/telegram/ServerMessageId.h"
 #include "td/telegram/Td.h"
 #include "td/telegram/TdDb.h"
@@ -1766,6 +1767,41 @@ string LinkManager::get_public_chat_link(Slice username) {
   return PSTRING() << get_t_me_url() << url_encode(username);
 }
 
+Result<string> LinkManager::get_proxy_link(const Proxy &proxy, bool is_internal) {
+  string url = is_internal ? "tg://" : get_t_me_url();
+  bool is_socks = false;
+  switch (proxy.type()) {
+    case Proxy::Type::Socks5:
+      url += "socks";
+      is_socks = true;
+      break;
+    case Proxy::Type::HttpTcp:
+    case Proxy::Type::HttpCaching:
+      return Status::Error(400, "HTTP proxies have no public links");
+    case Proxy::Type::Mtproto:
+      url += "proxy";
+      break;
+    default:
+      UNREACHABLE();
+  }
+  url += "?server=";
+  url += url_encode(proxy.server());
+  url += "&port=";
+  url += to_string(proxy.port());
+  if (is_socks) {
+    if (!proxy.user().empty() || !proxy.password().empty()) {
+      url += "&user=";
+      url += url_encode(proxy.user());
+      url += "&pass=";
+      url += url_encode(proxy.password());
+    }
+  } else {
+    url += "&secret=";
+    url += proxy.secret().get_encoded_secret();
+  }
+  return std::move(url);
+}
+
 UserId LinkManager::get_link_user_id(Slice url) {
   string lower_cased_url = to_lower(url);
   url = lower_cased_url;

td/telegram/LinkManager.h

@@ -23,6 +23,7 @@
 
 namespace td {
 
+class Proxy;
 class Td;
 
 class LinkManager final : public Actor {
@@ -92,6 +93,8 @@ class LinkManager final : public Actor {
 
   static string get_public_chat_link(Slice username);
 
+  static Result<string> get_proxy_link(const Proxy &proxy, bool is_internal);
+
   static UserId get_link_user_id(Slice url);
 
   static string get_t_me_url();

td/telegram/net/ConnectionCreator.cpp

@@ -233,39 +233,7 @@ void ConnectionCreator::get_proxy_link(int32 proxy_id, Promise<string> promise)
     return promise.set_error(Status::Error(400, "Unknown proxy identifier"));
   }
 
-  auto &proxy = it->second;
+  promise.set_result(LinkManager::get_proxy_link(it->second, false));
-  string url = LinkManager::get_t_me_url();
-  bool is_socks = false;
-  switch (proxy.type()) {
-    case Proxy::Type::Socks5:
-      url += "socks";
-      is_socks = true;
-      break;
-    case Proxy::Type::HttpTcp:
-    case Proxy::Type::HttpCaching:
-      return promise.set_error(Status::Error(400, "HTTP proxy can't have public link"));
-    case Proxy::Type::Mtproto:
-      url += "proxy";
-      break;
-    default:
-      UNREACHABLE();
-  }
-  url += "?server=";
-  url += url_encode(proxy.server());
-  url += "&port=";
-  url += to_string(proxy.port());
-  if (is_socks) {
-    if (!proxy.user().empty() || !proxy.password().empty()) {
-      url += "&user=";
-      url += url_encode(proxy.user());
-      url += "&pass=";
-      url += url_encode(proxy.password());
-    }
-  } else {
-    url += "&secret=";
-    url += proxy.secret().get_encoded_secret();
-  }
-  promise.set_value(std::move(url));
 }
 
 ActorId<GetHostByNameActor> ConnectionCreator::get_dns_resolver() {