addressbook.enabled config param

libi2pd/Config.cpp

@@ -230,6 +230,7 @@ namespace config {
 
 		options_description addressbook("AddressBook options");
 		addressbook.add_options()
+			("addressbook.enabled", value<bool>()->default_value(true), "Enable address book lookups and subscritions (default: enabled)")
 			("addressbook.defaulturl", value<std::string>()->default_value(
 				"http://shx5vqsw7usdaunyzr2qmes2fq37oumybpudrd4jjj4e4vk4uusa.b32.i2p/hosts.txt"
 			),                                                                     "AddressBook subscription URL for initial setup")

libi2pd_client/AddressBook.cpp

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -299,7 +299,8 @@ namespace client
 	}
 
 	AddressBook::AddressBook (): m_Storage(nullptr), m_IsLoaded (false), m_IsDownloading (false),
-		m_NumRetries (0), m_DefaultSubscription (nullptr), m_SubscriptionsUpdateTimer (nullptr)
+		m_NumRetries (0), m_DefaultSubscription (nullptr), m_SubscriptionsUpdateTimer (nullptr),
+		m_IsEnabled (true)
 	{
 	}
 
@@ -310,12 +311,16 @@ namespace client
 
 	void AddressBook::Start ()
 	{
-		if (!m_Storage)
-			m_Storage = new AddressBookFilesystemStorage;
-		m_Storage->Init();
-		LoadHosts (); /* try storage, then hosts.txt, then download */
-		StartSubscriptions ();
-		StartLookups ();
+		i2p::config::GetOption("addressbook.enabled", m_IsEnabled);
+		if (m_IsEnabled)
+		{	
+			if (!m_Storage)
+				m_Storage = new AddressBookFilesystemStorage;
+			m_Storage->Init();
+			LoadHosts (); /* try storage, then hosts.txt, then download */
+			StartSubscriptions ();
+			StartLookups ();
+		}	
 	}
 
 	void AddressBook::StartResolvers ()
@@ -370,6 +375,7 @@ namespace client
 			pos = address.find (".i2p");
 			if (pos != std::string::npos)
 			{
+				if (!m_IsEnabled) return nullptr;
 				auto addr = FindAddress (address);
 				if (!addr)
 					LookupAddress (address); // TODO:

libi2pd_client/AddressBook.h

@@ -1,5 +1,5 @@
 /*
-* Copyright (c) 2013-2020, The PurpleI2P Project
+* Copyright (c) 2013-2022, The PurpleI2P Project
 *
 * This file is part of Purple i2pd project and licensed under BSD3
 *
@@ -126,6 +126,7 @@ namespace client
 			std::vector<std::shared_ptr<AddressBookSubscription> > m_Subscriptions;
 			std::shared_ptr<AddressBookSubscription> m_DefaultSubscription; // in case if we don't know any addresses yet
 			boost::asio::deadline_timer * m_SubscriptionsUpdateTimer;
+			bool m_IsEnabled;
 	};
 
 	class AddressBookSubscription

libi2pd_client/ClientContext.cpp

@@ -864,6 +864,8 @@ namespace client
 			uint16_t    httpProxyPort;         i2p::config::GetOption("httpproxy.port",          httpProxyPort);
 			std::string httpOutProxyURL;       i2p::config::GetOption("httpproxy.outproxy",      httpOutProxyURL);
 			bool        httpAddresshelper;     i2p::config::GetOption("httpproxy.addresshelper", httpAddresshelper);
+			if (httpAddresshelper)
+				i2p::config::GetOption("addressbook.enabled", httpAddresshelper); // addresshelper is not supported without address book	
 			i2p::data::SigningKeyType sigType; i2p::config::GetOption("httpproxy.signaturetype", sigType);
 			LogPrint(eLogInfo, "Clients: Starting HTTP Proxy at ", httpProxyAddr, ":", httpProxyPort);
 			if (httpProxyKeys.length () > 0)