@ -20,6 +20,8 @@ use once_cell::sync::Lazy;
use serde_bare ::to_vec ;
use serde_json ::json ;
use zeroize ::Zeroize ;
use qrcode ::{ render ::svg , QrCode } ;
use lazy_static ::lazy_static ;
use ng_repo ::block_storage ::BlockStorage ;
use ng_repo ::block_storage ::HashMapBlockStorage ;
@ -27,7 +29,7 @@ use ng_repo::errors::{NgError, ProtocolError};
use ng_repo ::log ::* ;
use ng_repo ::os_info ::get_os_info ;
use ng_repo ::types ::* ;
use ng_repo ::utils ::{ derive_key , generate_keypair } ;
use ng_repo ::utils ::{ derive_key , generate_keypair , encrypt_in_place } ;
use ng_net ::{ actor ::* , actors ::admin ::* } ;
use ng_net ::broker ::* ;
@ -1492,6 +1494,235 @@ pub async fn wallet_add(lws: LocalWalletStorageV0) -> Result<(), NgError> {
}
Ok ( ( ) )
}
#[ cfg(debug_assertions) ]
lazy_static ! {
static ref NEXTGRAPH_EU : BrokerServerV0 = BrokerServerV0 {
server_type : BrokerServerTypeV0 ::Localhost ( 14400 ) ,
can_verify : false ,
can_forward : false ,
peer_id : ng_repo ::utils ::decode_key ( { use crate ::local_broker_dev_env ::PEER_ID ; PEER_ID } ) . unwrap ( ) ,
} ;
}
#[ cfg(not(debug_assertions)) ]
lazy_static ! {
static ref NEXTGRAPH_EU : BrokerServerV0 = BrokerServerV0 {
server_type : BrokerServerTypeV0 ::Domain ( "nextgraph.eu" . to_string ( ) ) ,
can_verify : false ,
can_forward : false ,
peer_id : ng_repo ::utils ::decode_key ( "FtdzuDYGewfXWdoPuXIPb0wnd0SAg1WoA2B14S7jW3MA" ) . unwrap ( ) ,
} ;
}
/// Obtains a Wallet object from a QRCode or a TextCode.
///
/// The returned object can be used to import the wallet into a new Device
/// with the help of the function [wallet_open_with_pazzle_words]
/// followed by [wallet_import]
pub async fn wallet_import_from_code ( code : String ) -> Result < Wallet , NgError > {
let qr = NgQRCode ::from_code ( code ) ? ;
match qr {
NgQRCode ::V0 ( NgQRCodeV0 { broker , rendezvous , secret_key , is_rendezvous } ) = > {
let wallet : ExportedWallet = do_ext_call (
& broker ,
ExtWalletGetExportV0 {
id :rendezvous ,
is_rendezvous
} ) . await ? ;
let mut buf = wallet . 0. into_vec ( ) ;
encrypt_in_place ( & mut buf , * secret_key . slice ( ) , [ 0 ; 12 ] ) ;
let wallet : Wallet = serde_bare ::from_slice ( & buf ) ? ;
let broker = match LOCAL_BROKER . get ( ) {
None | Some ( Err ( _ ) ) = > return Err ( NgError ::LocalBrokerNotInitialized ) ,
Some ( Ok ( broker ) ) = > broker . read ( ) . await ,
} ;
// check that the wallet is not already present in local_broker
let wallet_name = wallet . name ( ) ;
if broker . wallets . get ( & wallet_name ) . is_none ( ) {
Ok ( wallet )
} else {
Err ( NgError ::WalletAlreadyAdded )
}
}
}
}
/// Starts a rendez-vous to obtain a wallet from other device.
///
/// A rendezvous is used when the device that is importing, doesn't have a camera.
/// The QRCode is displayed on that device, and another device (with camera, and with the wallet) will scan it.
///
/// Returns the QRcode in SVG format, and the code (a string) to be used with [wallet_import_from_code]
pub async fn wallet_import_rendezvous ( size : u32 ) -> Result < ( String , String ) , NgError > {
let code = NgQRCode ::V0 ( NgQRCodeV0 {
broker : NEXTGRAPH_EU . clone ( ) ,
rendezvous : SymKey ::random ( ) ,
secret_key : SymKey ::random ( ) ,
is_rendezvous : true
} ) ;
let code_string = code . to_code ( ) ;
let code_svg = match QrCode ::with_error_correction_level ( & code_string , qrcode ::EcLevel ::M ) {
Ok ( qr ) = > {
let svg = qr
. render ( )
. max_dimensions ( size , size )
. dark_color ( svg ::Color ( "#000000" ) )
. light_color ( svg ::Color ( "#ffffff" ) )
. build ( ) ;
svg
} ,
Err ( _e ) = > { return Err ( NgError ::BrokerError ) }
} ;
Ok ( ( code_svg , code_string ) )
}
/// Gets the TextCode to display in order to export the wallet of the current session ID
///
/// The ExportedWallet is valid for 5 min.
///
/// Returns the TextCode
pub async fn wallet_export_get_textcode ( session_id : u64 ) -> Result < String , NgError > {
let broker = match LOCAL_BROKER . get ( ) {
None | Some ( Err ( _ ) ) = > return Err ( NgError ::LocalBrokerNotInitialized ) ,
Some ( Ok ( broker ) ) = > broker . read ( ) . await ,
} ;
match & broker . config {
LocalBrokerConfig ::Headless ( _ ) = > {
return Err ( NgError ::LocalBrokerIsHeadless )
} ,
_ = > {
let ( real_session_id , is_remote ) = broker . get_real_session_id_for_mut ( session_id ) ? ;
if is_remote {
return Err ( NgError ::NotImplemented ) ;
} else {
let session = broker . opened_sessions_list [ real_session_id ] . as_ref ( )
. ok_or ( NgError ::SessionNotFound ) ? ;
let wallet_name = session . config . wallet_name ( ) ;
match broker . wallets . get ( & wallet_name ) {
None = > Err ( NgError ::WalletNotFound ) ,
Some ( lws ) = > {
//let broker = lws.bootstrap.servers().first().unwrap();
let wallet = & lws . wallet ;
let secret_key = SymKey ::random ( ) ;
let rendezvous = SymKey ::random ( ) ;
let code = NgQRCode ::V0 ( NgQRCodeV0 {
broker : NEXTGRAPH_EU . clone ( ) ,
rendezvous : rendezvous . clone ( ) ,
secret_key : secret_key . clone ( ) ,
is_rendezvous : false
} ) ;
let code_string = code . to_code ( ) ;
let mut wallet_ser = serde_bare ::to_vec ( wallet ) ? ;
encrypt_in_place ( & mut wallet_ser , * secret_key . slice ( ) , [ 0 ; 12 ] ) ;
let exported_wallet = ExportedWallet ( serde_bytes ::ByteBuf ::from ( wallet_ser ) ) ;
match session . verifier . client_request ::< WalletPutExport , ( ) > ( WalletPutExport ::V0 ( WalletPutExportV0 { wallet :exported_wallet , rendezvous_id :rendezvous , is_rendezvous :false } ) ) . await {
Err ( e ) = > Err ( e ) ,
Ok ( SoS ::Stream ( _ ) ) = > Err ( NgError ::InvalidResponse ) ,
Ok ( SoS ::Single ( _ ) ) = > Ok ( code_string )
}
}
}
}
}
}
}
/// Gets the QRcode to display in order to export a wallet of the current session ID
///
/// The ExportedWallet is valid for 5 min.
///
/// Returns the QRcode in SVG format
pub async fn wallet_export_get_qrcode ( session_id : u64 , size : u32 ) -> Result < String , NgError > {
let code_string = wallet_export_get_textcode ( session_id ) . await ? ;
let code_svg = match QrCode ::with_error_correction_level ( & code_string , qrcode ::EcLevel ::M ) {
Ok ( qr ) = > {
let svg = qr
. render ( )
. max_dimensions ( size , size )
. dark_color ( svg ::Color ( "#000000" ) )
. light_color ( svg ::Color ( "#ffffff" ) )
. build ( ) ;
svg
} ,
Err ( _e ) = > { return Err ( NgError ::BrokerError ) }
} ;
Ok ( code_svg )
}
/// Puts the Wallet to the rendezvous ID that was scanned
///
/// The rendezvous ID is valid for 5 min.
pub async fn wallet_export_rendezvous ( session_id : u64 , code : String ) -> Result < ( ) , NgError > {
let qr = NgQRCode ::from_code ( code ) ? ;
match qr {
NgQRCode ::V0 ( NgQRCodeV0 { broker : _ , rendezvous , secret_key , is_rendezvous } ) = > {
if ! is_rendezvous {
return Err ( NgError ::NotARendezVous ) ;
}
let broker = match LOCAL_BROKER . get ( ) {
None | Some ( Err ( _ ) ) = > return Err ( NgError ::LocalBrokerNotInitialized ) ,
Some ( Ok ( broker ) ) = > broker . read ( ) . await ,
} ;
match & broker . config {
LocalBrokerConfig ::Headless ( _ ) = > {
return Err ( NgError ::LocalBrokerIsHeadless )
} ,
_ = > {
let ( real_session_id , is_remote ) = broker . get_real_session_id_for_mut ( session_id ) ? ;
if is_remote {
return Err ( NgError ::NotImplemented ) ;
} else {
let session = broker . opened_sessions_list [ real_session_id ] . as_ref ( )
. ok_or ( NgError ::SessionNotFound ) ? ;
let wallet_name = session . config . wallet_name ( ) ;
match broker . wallets . get ( & wallet_name ) {
None = > Err ( NgError ::WalletNotFound ) ,
Some ( lws ) = > {
//let broker = lws.bootstrap.servers().first().unwrap();
let wallet = & lws . wallet ;
let mut wallet_ser = serde_bare ::to_vec ( wallet ) ? ;
encrypt_in_place ( & mut wallet_ser , * secret_key . slice ( ) , [ 0 ; 12 ] ) ;
let exported_wallet = ExportedWallet ( serde_bytes ::ByteBuf ::from ( wallet_ser ) ) ;
// TODO: send the WalletPutExport client request to the broker received from QRcode. for now it is cheer luck that all clients are connected to nextgraph.eu.
// if the user doesn't have an account with nextgraph.eu, their broker should relay the request (core protocol ?)
match session . verifier . client_request ::< WalletPutExport , ( ) > ( WalletPutExport ::V0 ( WalletPutExportV0 { wallet :exported_wallet , rendezvous_id :rendezvous , is_rendezvous :true } ) ) . await {
Err ( e ) = > Err ( e ) ,
Ok ( SoS ::Stream ( _ ) ) = > Err ( NgError ::InvalidResponse ) ,
Ok ( SoS ::Single ( _ ) ) = > Ok ( ( ) )
}
}
}
}
}
}
}
}
}
/// Reads a binary Wallet File and decodes it to a Wallet object.
///
@ -2126,7 +2357,7 @@ pub async fn app_request(request: AppRequest) -> Result<AppResponse, NgError> {
let session = broker . opened_sessions_list [ real_session_id ]
. as_mut ( )
. ok_or ( NgError ::SessionNotFound ) ? ;
session . verifier . app_request ( request ) . await
session . verifier . app_request ( request ) . await
}
}
}
@ -2214,6 +2445,29 @@ async fn do_admin_call<
. await
}
async fn do_ext_call <
A : Into < ProtocolMessage > + Into < ExtRequestContentV0 > + std ::fmt ::Debug + Sync + Send + ' static ,
B : TryFrom < ProtocolMessage , Error = ProtocolError >
+ std ::fmt ::Debug
+ Sync
+ Send
+ ' static ,
> (
broker_server : & BrokerServerV0 ,
cmd : A ,
) -> Result < B , NgError > {
let ( peer_privk , peer_pubk ) = generate_keypair ( ) ;
Broker ::ext (
Box ::new ( ConnectionWebSocket { } ) ,
peer_privk ,
peer_pubk ,
broker_server . peer_id ,
broker_server . get_ws_url ( & None ) . await . unwrap ( ) . 0 , // for now we are only connecting to NextGraph SaaS cloud (nextgraph.eu) so it is safe.
cmd ,
)
. await
}
#[ doc(hidden) ]
pub async fn admin_create_user ( server_peer_id : DirectPeerId , admin_user_key : PrivKey , server_addr : BindAddress ) -> Result < UserId , ProtocolError > {
