signature verification in CLI with ExtRequest. Display snapshot

master
Niko PLP 3 months ago
parent 17e1eb95e3
commit 48c63ead2f
  1. 103
      ng-net/src/actors/ext/get.rs
  2. 2
      ng-net/src/actors/ext/mod.rs
  3. 134
      ng-net/src/app_protocol.rs
  4. 1
      ng-net/src/connection.rs
  5. 115
      ng-net/src/types.rs
  6. 6
      ng-repo/src/block.rs
  7. 4
      ng-repo/src/commit.rs
  8. 52
      ng-repo/src/object.rs
  9. 4
      ng-repo/src/store.rs
  10. 40
      ng-repo/src/types.rs
  11. 111
      ng-verifier/src/request_processor.rs
  12. 14
      ng-wallet/src/types.rs
  13. 8
      ngcli/src/get.rs
  14. 191
      ngcli/src/main.rs

@ -0,0 +1,103 @@
/*
* Copyright (c) 2022-2024 Niko Bonnieure, Par le Peuple, NextGraph.org developers
* All rights reserved.
* Licensed under the Apache License, Version 2.0
* <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
* or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
* at your option. All files in the project carrying such
* notice may not be copied, modified, or distributed except
* according to those terms.
*/
use std::sync::Arc;
use async_std::sync::Mutex;
use ng_repo::errors::*;
use ng_repo::log::*;
use ng_repo::object::Object;
use ng_repo::store::Store;
use ng_repo::types::Block;
use super::super::StartProtocol;
use crate::broker::BROKER;
use crate::connection::NoiseFSM;
use crate::types::*;
use crate::{actor::*, types::ProtocolMessage};
impl ExtObjectGetV0 {
pub fn get_actor(&self) -> Box<dyn EActor> {
Actor::<ExtObjectGetV0, Vec<Block>>::new_responder(0)
}
}
impl TryFrom<ProtocolMessage> for ExtObjectGetV0 {
type Error = ProtocolError;
fn try_from(msg: ProtocolMessage) -> Result<Self, Self::Error> {
if let ProtocolMessage::Start(StartProtocol::Ext(ExtRequest::V0(ExtRequestV0 {
content: ExtRequestContentV0::ExtObjectGet(a),
..
}))) = msg
{
Ok(a)
} else {
log_debug!("INVALID {:?}", msg);
Err(ProtocolError::InvalidValue)
}
}
}
impl From<ExtObjectGetV0> for ProtocolMessage {
fn from(_msg: ExtObjectGetV0) -> ProtocolMessage {
unimplemented!();
}
}
impl From<ExtObjectGetV0> for ExtRequestContentV0 {
fn from(msg: ExtObjectGetV0) -> ExtRequestContentV0 {
ExtRequestContentV0::ExtObjectGet(msg)
}
}
impl TryFrom<ProtocolMessage> for Vec<Block> {
type Error = ProtocolError;
fn try_from(msg: ProtocolMessage) -> Result<Vec<Block>, Self::Error> {
let content: ExtResponseContentV0 = msg.try_into()?;
if let ExtResponseContentV0::Blocks(res) = content {
Ok(res)
} else {
Err(ProtocolError::InvalidValue)
}
}
}
impl Actor<'_, ExtObjectGetV0, Vec<Block>> {}
#[async_trait::async_trait]
impl EActor for Actor<'_, ExtObjectGetV0, Vec<Block>> {
async fn respond(
&mut self,
msg: ProtocolMessage,
fsm: Arc<Mutex<NoiseFSM>>,
) -> Result<(), ProtocolError> {
let req = ExtObjectGetV0::try_from(msg)?;
let sb = {
let broker = BROKER.read().await;
broker.get_server_broker()?
};
let lock = sb.read().await;
let store = Store::new_from_overlay_id(&req.overlay, lock.get_block_storage());
let mut blocks = Vec::new();
for obj_id in req.ids {
// TODO: deal with RandomAccessFiles (or is it just working?)
if let Ok(obj) = Object::load_without_header(obj_id, None, &store) {
blocks.append(&mut obj.into_blocks());
//TODO: load the obj.files too (if req.include_files)
}
}
let response: ExtResponseV0 = Ok(ExtResponseContentV0::Blocks(blocks)).into();
fsm.lock().await.send(response.into()).await?;
Ok(())
}
}

@ -1 +1,3 @@
pub mod wallet_get_export;
pub mod get;

@ -39,6 +39,13 @@ lazy_static! {
#[doc(hidden)]
static ref RE_NAMED_BRANCH_OR_COMMIT: Regex =
Regex::new(r"^did:ng:o:([A-Za-z0-9-_]*):v:([A-Za-z0-9-_]*):a:([A-Za-z0-9-_%]*)$").unwrap(); //TODO: allow international chars. disallow digit as first char
#[doc(hidden)]
static ref RE_OBJECTS: Regex =
Regex::new(r"^did:ng(?::o:([A-Za-z0-9-_]{44}))?:v:([A-Za-z0-9-_]{44})((?::c:[A-Za-z0-9-_]{44}:k:[A-Za-z0-9-_]{44})+)(?::s:([A-Za-z0-9-_]{44}):k:([A-Za-z0-9-_]{44}))?:l:([A-Za-z0-9-_]*)$").unwrap();
#[doc(hidden)]
static ref RE_OBJECT_READ_CAPS: Regex =
Regex::new(r":[cj]:([A-Za-z0-9-_]{44}):k:([A-Za-z0-9-_]{44})").unwrap();
}
#[derive(Clone, Debug, Serialize, Deserialize)]
@ -193,13 +200,15 @@ pub struct NuriV0 {
pub target: NuriTargetV0,
pub entire_store: bool, // If it is a store, will include all the docs belonging to the store
pub object: Option<ObjectId>, // used only for FileGet. // cannot be used for queries. only to download an object (file,commit..)
pub objects: Vec<ObjectRef>, // used only for FileGet. // cannot be used for queries. only to download an object (file,commit..)
pub signature: Option<ObjectRef>,
pub branch: Option<TargetBranchV0>, // if None, the main branch is chosen
pub overlay: Option<OverlayLink>,
pub access: Vec<NgAccessV0>,
pub topic: Option<TopicId>,
pub locator: Vec<PeerAdvert>,
pub locator: Option<Locator>,
}
impl NuriV0 {
@ -208,12 +217,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::None,
entire_store: false,
object: None,
objects: vec![],
signature: None,
branch: None,
overlay: None,
access: vec![],
topic: None,
locator: vec![],
locator: None,
}
}
pub fn copy_target_from(&mut self, nuri: &NuriV0) {
@ -232,12 +242,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::Repo(store_repo.repo_id().clone()),
entire_store: false,
object: None,
objects: vec![],
signature: None,
branch: None,
overlay: None,
access: vec![],
topic: None,
locator: vec![],
locator: None,
}
}
@ -303,7 +314,7 @@ impl NuriV0 {
}
pub fn is_branch_identifier(&self) -> bool {
self.locator.is_empty()
self.locator.is_none()
&& self.topic.is_none()
&& self.access.is_empty()
&& self.overlay.as_ref().map_or(false, |o| o.is_outer())
@ -311,13 +322,15 @@ impl NuriV0 {
.branch
.as_ref()
.map_or(true, |b| b.is_valid_for_sparql_update())
&& self.object.is_none()
&& self.objects.is_empty()
&& self.signature.is_none()
&& !self.entire_store
&& self.target.is_repo_id()
}
pub fn is_valid_for_sparql_update(&self) -> bool {
self.object.is_none()
self.objects.is_empty()
&& self.signature.is_none()
&& self.entire_store == false
&& self.target.is_valid_for_sparql_update()
&& self
@ -326,7 +339,8 @@ impl NuriV0 {
.map_or(true, |b| b.is_valid_for_sparql_update())
}
pub fn is_valid_for_discrete_update(&self) -> bool {
self.object.is_none()
self.objects.is_empty()
&& self.signature.is_none()
&& self.entire_store == false
&& self.target.is_valid_for_discrete_update()
&& self
@ -340,12 +354,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::Repo(repo_id),
entire_store: false,
object: None,
objects: vec![],
signature: None,
branch: None,
overlay: None,
access: vec![],
topic: None,
locator: vec![],
locator: None,
})
}
@ -354,12 +369,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::None,
entire_store: false,
object: Some(obj_ref.id),
objects: vec![obj_ref.clone()],
signature: None,
branch: None,
overlay: None,
access: vec![NgAccessV0::Key(obj_ref.key.clone())],
access: vec![],
topic: None,
locator: vec![],
locator: None,
}
}
@ -368,12 +384,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::PrivateStore,
entire_store: false,
object: None,
objects: vec![],
signature: None,
branch: None,
overlay: None,
access: vec![],
topic: None,
locator: vec![],
locator: None,
}
}
pub fn new_entire_user_site() -> Self {
@ -381,14 +398,71 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::UserSite,
entire_store: false,
object: None,
objects: vec![],
signature: None,
branch: None,
overlay: None,
access: vec![],
topic: None,
locator: vec![],
locator: None,
}
}
pub fn new_for_readcaps(from: &str) -> Result<Self, NgError> {
let c = RE_OBJECTS.captures(from);
if let Some(c) = c {
let target = c.get(1).map_or(NuriTargetV0::None, |repo_match| {
if let Ok(id) = decode_key(repo_match.as_str()) {
NuriTargetV0::Repo(id)
} else {
NuriTargetV0::None
}
});
let overlay_id = decode_overlayid(c.get(2).ok_or(NgError::InvalidNuri)?.as_str())?;
let read_caps = c.get(3).ok_or(NgError::InvalidNuri)?.as_str();
let sign_obj_id = c.get(4).map(|c| decode_digest(c.as_str()));
let sign_obj_key = c.get(5).map(|c| decode_sym_key(c.as_str()));
let locator =
TryInto::<Locator>::try_into(c.get(6).ok_or(NgError::InvalidNuri)?.as_str())?;
let signature = if sign_obj_id.is_some() && sign_obj_key.is_some() {
Some(ObjectRef::from_id_key(
sign_obj_id.unwrap()?,
sign_obj_key.unwrap()?,
))
} else {
None
};
let objects = RE_OBJECT_READ_CAPS
.captures_iter(read_caps)
.map(|c| {
Ok(ObjectRef::from_id_key(
decode_digest(c.get(1).ok_or(NgError::InvalidNuri)?.as_str())?,
decode_sym_key(c.get(2).ok_or(NgError::InvalidNuri)?.as_str())?,
))
})
.collect::<Result<Vec<ObjectRef>, NgError>>()?;
if objects.len() < 1 {
return Err(NgError::InvalidNuri);
}
Ok(Self {
identity: None,
target,
entire_store: false,
objects,
signature,
branch: None,
overlay: Some(overlay_id.into()),
access: vec![],
topic: None,
locator: Some(locator),
})
} else {
Err(NgError::InvalidNuri)
}
}
pub fn new_from(from: &String) -> Result<Self, NgError> {
let c = RE_REPO_O.captures(from);
@ -401,12 +475,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::Repo(repo_id),
entire_store: false,
object: None,
objects: vec![],
signature: None,
branch: None,
overlay: None,
access: vec![],
topic: None,
locator: vec![],
locator: None,
})
} else {
let c = RE_FILE_READ_CAP.captures(from);
@ -423,12 +498,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::None,
entire_store: false,
object: Some(id),
objects: vec![ObjectRef::from_id_key(id, key)],
signature: None,
branch: None,
overlay: None,
access: vec![NgAccessV0::Key(key)],
access: vec![],
topic: None,
locator: vec![],
locator: None,
})
} else {
let c = RE_REPO.captures(from);
@ -447,12 +523,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::Repo(repo_id),
entire_store: false,
object: None,
objects: vec![],
signature: None,
branch: None,
overlay: Some(overlay_id.into()),
access: vec![],
topic: None,
locator: vec![],
locator: None,
})
} else {
let c = RE_BRANCH.captures(from);
@ -473,12 +550,13 @@ impl NuriV0 {
identity: None,
target: NuriTargetV0::Repo(repo_id),
entire_store: false,
object: None,
objects: vec![],
signature: None,
branch: Some(TargetBranchV0::BranchId(branch_id)),
overlay: Some(overlay_id.into()),
access: vec![],
topic: None,
locator: vec![],
locator: None,
})
} else {
Err(NgError::InvalidNuri)

@ -789,7 +789,6 @@ impl NoiseFSM {
let ext_req = ExtRequestV0 {
content: ext_config.request.clone(),
id: 0,
overlay: None,
};
let protocol_start = StartProtocol::Ext(ExtRequest::V0(ext_req));

@ -197,8 +197,21 @@ pub struct BrokerServerV0 {
}
#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
pub enum BrokerServer {
V0(BrokerServerV0),
pub struct BrokerServerContentV0 {
pub servers: Vec<BrokerServerTypeV0>,
pub version: u32,
}
#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq, Hash)]
pub struct BrokerServer {
pub content: BrokerServerContentV0,
/// peerId of the server
pub peer_id: PubKey,
/// optional signature over content by peer_id
pub sig: Option<Sig>,
}
pub type LocatorV0 = Vec<BrokerServer>;
@ -219,11 +232,64 @@ impl Locator {
pub fn empty() -> Self {
Self::V0(vec![])
}
pub fn first_broker_server(&self) -> Result<BrokerServerV0, NgError> {
match self {
Self::V0(v0) => {
let bs = v0.get(0).ok_or(NgError::BrokerNotFound)?;
Ok(BrokerServerV0 {
server_type: bs
.content
.servers
.get(0)
.ok_or(NgError::BrokerNotFound)?
.clone(),
can_verify: false,
can_forward: false,
peer_id: bs.peer_id,
})
}
}
}
pub fn add(&mut self, bs: BrokerServerV0) {
match self {
Self::V0(v0) => {
for b in v0.iter_mut() {
if b.peer_id == bs.peer_id {
b.content.servers.push(bs.server_type);
return;
}
}
v0.push(BrokerServer {
peer_id: bs.peer_id,
sig: None,
content: BrokerServerContentV0 {
version: 0,
servers: vec![bs.server_type],
},
});
}
}
}
}
impl TryFrom<&str> for Locator {
type Error = NgError;
fn try_from(string: &str) -> Result<Self, NgError> {
let vec = base64_url::decode(string).map_err(|_| NgError::InvalidKey)?;
Ok(serde_bare::from_slice(&vec).map_err(|_| NgError::InvalidKey)?)
}
}
impl From<BrokerServerV0> for Locator {
fn from(bs: BrokerServerV0) -> Self {
Locator::V0(vec![BrokerServer::V0(bs)])
Locator::V0(vec![BrokerServer {
peer_id: bs.peer_id,
content: BrokerServerContentV0 {
version: 0,
servers: vec![bs.server_type],
},
sig: None,
}])
}
}
@ -1388,6 +1454,18 @@ impl OverlayLink {
}
}
impl TryFrom<OverlayLink> for OverlayId {
type Error = NgError;
fn try_from(link: OverlayLink) -> Result<Self, Self::Error> {
Ok(match link {
OverlayLink::Inner(Digest::Blake3Digest32(i)) => OverlayId::Inner(i),
OverlayLink::Outer(Digest::Blake3Digest32(i)) => OverlayId::Outer(i),
OverlayLink::Global => OverlayId::Global,
_ => return Err(NgError::InvalidArgument),
})
}
}
impl From<OverlayId> for OverlayLink {
fn from(id: OverlayId) -> Self {
match id {
@ -3962,29 +4040,23 @@ impl ClientMessage {
// EXTERNAL REQUESTS
//
/// Request object(s) by ID from a repository by non-members
///
/// The request is sent by a non-member to an overlay member node,
/// which has a replica of the repository.
/// Request object(s) by ID by non-members to a broker
///
/// The response includes the requested objects and all their children recursively,
/// and optionally all object dependencies recursively.
/// and optionally all file object dependencies and their children recursively.
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct ExtObjectGetV0 {
/// Repository to request the objects from
pub repo: PubKey,
/// outer overlayId
pub overlay: OverlayId,
/// List of Object IDs to request, including their children
pub ids: Vec<ObjectId>,
/// Whether or not to include all children recursively
pub include_children: bool,
/// Expiry time after which the link becomes invalid
pub expiry: Option<Timestamp>,
/// Whether or not to include all files objects
pub include_files: bool,
}
/// Request object(s) by ID from a repository by non-members
/// Request object(s) by ID by non-members
#[derive(Clone, Debug, Serialize, Deserialize)]
pub enum ExtObjectGet {
V0(ExtObjectGetV0),
@ -4003,7 +4075,7 @@ pub type ExtTopicSyncReq = TopicSyncReq;
#[derive(Clone, Debug, Serialize, Deserialize)]
pub enum ExtRequestContentV0 {
WalletGetExport(ExtWalletGetExportV0),
ExtObjectGet(ExtObjectGet),
ExtObjectGet(ExtObjectGetV0),
ExtTopicSyncReq(ExtTopicSyncReq),
// TODO inbox requests
// TODO subreq ?
@ -4013,9 +4085,8 @@ impl ExtRequestContentV0 {
pub fn get_actor(&self) -> Box<dyn EActor> {
match self {
Self::WalletGetExport(a) => a.get_actor(),
_ => unimplemented!()
// Self::ExtObjectGet(a) => a.get_actor(),
// Self::ExtTopicSyncReq(a) => a.get_actor(),
Self::ExtObjectGet(a) => a.get_actor(),
_ => unimplemented!(), // Self::ExtTopicSyncReq(a) => a.get_actor(),
}
}
}
@ -4023,9 +4094,6 @@ impl ExtRequestContentV0 {
/// External request with its request ID
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct ExtRequestV0 {
/// outer overlayId
pub overlay: Option<Digest>,
/// Request ID
pub id: i64,
@ -4070,6 +4138,7 @@ pub struct ExportedWallet(pub serde_bytes::ByteBuf);
pub enum ExtResponseContentV0 {
EmptyResponse,
Block(Block),
Blocks(Vec<Block>),
Wallet(ExportedWallet),
// TODO inbox related replies
// TODO event ?

@ -193,6 +193,12 @@ impl Block {
}
}
pub fn destroy_header(&mut self) {
match self {
Block::V0(b) => b.commit_header_key = None,
}
}
/// Get the header reference
pub fn header_ref(&self) -> Option<CommitHeaderRef> {
match self {

@ -492,6 +492,10 @@ impl Commit {
}
}
pub fn body_ref(&self) -> &ObjectRef {
&self.content_v0().body
}
/// Get commit content V0
pub fn content_v0(&self) -> &CommitContentV0 {
match self {

@ -489,6 +489,23 @@ impl Object {
id: ObjectId,
key: Option<SymKey>,
store: &Store,
) -> Result<Object, ObjectParseError> {
Self::load_(id, key, store, true)
}
pub fn load_without_header(
id: ObjectId,
key: Option<SymKey>,
store: &Store,
) -> Result<Object, ObjectParseError> {
Self::load_(id, key, store, false)
}
fn load_(
id: ObjectId,
key: Option<SymKey>,
store: &Store,
with_header: bool,
) -> Result<Object, ObjectParseError> {
fn load_tree(
parents: Vec<BlockId>,
@ -540,22 +557,27 @@ impl Object {
root.set_key(key);
}
let header = match Self::load_header_(root, store) {
Err(ObjectParseError::MissingBlocks(m)) => {
return Err(ObjectParseError::MissingHeaderBlocks((
Object {
blocks,
block_contents,
header: None,
header_blocks: vec![],
#[cfg(test)]
already_saved: false,
},
m,
)));
let header = if with_header {
match Self::load_header_(root, store) {
Err(ObjectParseError::MissingBlocks(m)) => {
return Err(ObjectParseError::MissingHeaderBlocks((
Object {
blocks,
block_contents,
header: None,
header_blocks: vec![],
#[cfg(test)]
already_saved: false,
},
m,
)));
}
Err(e) => return Err(e),
Ok(h) => h,
}
Err(e) => return Err(e),
Ok(h) => h,
} else {
root.destroy_header();
(None, vec![])
};
Ok(Object {

@ -324,6 +324,8 @@ impl Store {
&self,
)?;
let repository_commit_body_ref = repository_commit.body_ref().clone();
//log_debug!("REPOSITORY COMMIT {}", repository_commit);
let repository_commit_ref = repository_commit.reference().unwrap();
@ -492,7 +494,7 @@ impl Store {
// creating root certificate of the repo
let cert_content = CertificateContentV0 {
previous: repository_commit_ref,
previous: repository_commit_body_ref,
readcap_id: root_branch_readcap_id,
owners_pk_set: pk_set.public_key(),
orders_pk_sets: OrdersPublicKeySetsV0::None,

@ -27,7 +27,7 @@ use crate::errors::NgError;
use crate::utils::{
decode_key, decode_priv_key, dh_pubkey_array_from_ed_pubkey_slice,
dh_pubkey_from_ed_pubkey_slice, ed_privkey_to_ed_pubkey, from_ed_privkey_to_dh_privkey,
random_key,
random_key, verify,
};
//
@ -2345,6 +2345,14 @@ pub enum SignatureContent {
V0(SignatureContentV0),
}
impl SignatureContent {
pub fn commits(&self) -> &[ObjectId] {
match self {
Self::V0(v0) => &v0.commits,
}
}
}
impl fmt::Display for SignatureContent {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
@ -2398,6 +2406,21 @@ pub struct SignatureV0 {
pub certificate_ref: ObjectRef,
}
impl SignatureV0 {
pub fn verify(&self, cert: &CertificateV0) -> Result<(), NgError> {
let ser = serde_bare::to_vec(&self.content).unwrap();
match &self.threshold_sig {
ThresholdSignatureV0::Owners(sig) => {
if !cert.get_owners_pub_key().verify(sig, &ser) {
return Err(NgError::InvalidSignature);
}
return Ok(());
}
_ => unimplemented!(),
}
}
}
impl fmt::Display for Signature {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
@ -2454,7 +2477,7 @@ pub enum OrdersPublicKeySetsV0 {
/// A Certificate content, that will be signed by the previous certificate signers.
#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub struct CertificateContentV0 {
/// the previous certificate in the chain of trust. Can be another Certificate or the Repository commit when we are at the root of the chain of trust.
/// the previous certificate in the chain of trust. Can be another Certificate or the Repository commit's body when we are at the root of the chain of trust.
pub previous: ObjectRef,
/// The Commit Id of the latest RootBranch definition (= the ReadCap ID) in order to keep in sync with the options for signing.
@ -2497,6 +2520,19 @@ pub struct CertificateV0 {
pub sig: CertificateSignatureV0,
}
impl CertificateV0 {
pub fn verify_with_repo_id(&self, repo_id: &RepoId) -> Result<(), NgError> {
let ser = serde_bare::to_vec(&self.content).unwrap();
match self.sig {
CertificateSignatureV0::Repo(sig) => verify(&ser, sig, repo_id.clone()),
_ => Err(NgError::InvalidArgument),
}
}
pub fn get_owners_pub_key(&self) -> &threshold_crypto::PublicKey {
&self.content.owners_pk_set
}
}
/// A certificate object
#[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
pub enum Certificate {

@ -55,71 +55,66 @@ impl Verifier {
_ => unimplemented!(),
},
AppRequestCommandV0::FileGet => {
if nuri.access.len() < 1 || nuri.object.is_none() {
if nuri.objects.len() < 1 {
return Err(NgError::InvalidArgument);
}
let (repo_id, _, store_repo) = self.resolve_target(&nuri.target)?;
let access = nuri.access.get(0).unwrap();
if let NgAccessV0::Key(key) = access {
let repo = self.get_repo(&repo_id, &store_repo)?;
let obj_id = nuri.object.unwrap();
if let Some(mut stream) = self
.fetch_blocks_if_needed(&obj_id, &repo_id, &store_repo)
.await?
{
// TODO: start opening the file and running the sending_loop after we received 10 (3 mandatory and 7 depths max) blocks.
// for files below 10MB we wont see a difference, but for big files, we can start sending out some AppResponse earlier.
while let Some(block) = stream.next().await {
repo.store.put(&block)?;
}
let obj = nuri.objects.get(0).unwrap();
let repo = self.get_repo(&repo_id, &store_repo)?;
if let Some(mut stream) = self
.fetch_blocks_if_needed(&obj.id, &repo_id, &store_repo)
.await?
{
// TODO: start opening the file and running the sending_loop after we received 10 (3 mandatory and 7 depths max) blocks.
// for files below 10MB we wont see a difference, but for big files, we can start sending out some AppResponse earlier.
while let Some(block) = stream.next().await {
repo.store.put(&block)?;
}
let file =
RandomAccessFile::open(obj_id, key.clone(), Arc::clone(&repo.store))?;
let (mut tx, rx) = mpsc::unbounded::<AppResponse>();
tx.send(AppResponse::V0(AppResponseV0::FileMeta(FileMetaV0 {
content_type: file.meta().content_type().clone(),
size: file.meta().total_size(),
})))
.await
.map_err(|_| NgError::InternalError)?;
async fn sending_loop(
file: Arc<RandomAccessFile>,
mut tx: Sender<AppResponse>,
) -> ResultSend<()> {
let mut pos = 0;
loop {
let res = file.read(pos, 1048564);
if res.is_err() {
//log_info!("ERR={:?}", res.unwrap_err());
let _ = tx.send(AppResponse::V0(AppResponseV0::EndOfStream)).await;
tx.close_channel();
break;
}
let res = res.unwrap();
//log_info!("reading={} {}", pos, res.len());
pos += res.len();
if let Err(_) = tx
.send(AppResponse::V0(AppResponseV0::FileBinary(res)))
.await
{
break;
}
}
let file =
RandomAccessFile::open(obj.id, obj.key.clone(), Arc::clone(&repo.store))?;
let (mut tx, rx) = mpsc::unbounded::<AppResponse>();
tx.send(AppResponse::V0(AppResponseV0::FileMeta(FileMetaV0 {
content_type: file.meta().content_type().clone(),
size: file.meta().total_size(),
})))
.await
.map_err(|_| NgError::InternalError)?;
async fn sending_loop(
file: Arc<RandomAccessFile>,
mut tx: Sender<AppResponse>,
) -> ResultSend<()> {
let mut pos = 0;
loop {
let res = file.read(pos, 1048564);
if res.is_err() {
//log_info!("ERR={:?}", res.unwrap_err());
let _ = tx.send(AppResponse::V0(AppResponseV0::EndOfStream)).await;
tx.close_channel();
break;
}
let res = res.unwrap();
//log_info!("reading={} {}", pos, res.len());
pos += res.len();
if let Err(_) = tx
.send(AppResponse::V0(AppResponseV0::FileBinary(res)))
.await
{
break;
}
Ok(())
}
spawn_and_log_error(sending_loop(Arc::new(file), tx.clone()));
let fnonce = Box::new(move || {
//log_debug!("FileGet cancelled");
tx.close_channel();
});
Ok((rx, fnonce))
} else {
return Err(NgError::InvalidArgument);
Ok(())
}
spawn_and_log_error(sending_loop(Arc::new(file), tx.clone()));
let fnonce = Box::new(move || {
//log_debug!("FileGet cancelled");
tx.close_channel();
});
Ok((rx, fnonce))
}
_ => unimplemented!(),
}

@ -1134,14 +1134,12 @@ impl BrokerInfoV0 {
}
}
pub fn vec_into_locator(list: Vec<BrokerInfoV0>) -> Locator {
Locator::V0(
list.into_iter()
.filter_map(|info| match info {
Self::CoreV0(_) => None,
Self::ServerV0(bs) => Some(BrokerServer::V0(bs)),
})
.collect(),
)
let mut loc = Locator::empty();
list.into_iter().for_each(|info| match info {
Self::CoreV0(_) => {}
Self::ServerV0(bs) => loc.add(bs),
});
loc
}
}

@ -0,0 +1,8 @@
// Copyright (c) 2022-2024 Niko Bonnieure, Par le Peuple, NextGraph.org developers
// All rights reserved.
// Licensed under the Apache License, Version 2.0
// <LICENSE-APACHE2 or http://www.apache.org/licenses/LICENSE-2.0>
// or the MIT license <LICENSE-MIT or http://opensource.org/licenses/MIT>,
// at your option. All files in the project carrying such
// notice may not be copied, modified, or distributed except
// according to those terms.

@ -10,6 +10,7 @@
#![doc(hidden)]
use core::fmt;
use std::collections::HashSet;
use std::error::Error;
use std::fs::{read_to_string, write};
use std::net::IpAddr;
@ -24,15 +25,20 @@ use zeroize::Zeroize;
use ng_repo::errors::*;
use ng_repo::log::*;
use ng_repo::object::Object;
use ng_repo::store::Store;
use ng_repo::types::*;
use ng_repo::utils::{decode_priv_key, display_timestamp, generate_keypair, timestamp_after};
use ng_net::actors::admin::*;
use ng_net::broker::BROKER;
use ng_net::app_protocol::{NuriTargetV0, NuriV0};
use ng_net::broker::{Broker, BROKER};
use ng_net::types::*;
use ng_client_ws::remote_ws::ConnectionWebSocket;
mod get;
/// CliConfig Version 0
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct CliConfigV0 {
@ -227,7 +233,11 @@ async fn main_inner() -> Result<(), NgcliError> {
.subcommand(
Command::new("gen-key")
.about("Generates a new key pair () public key and private key ) to be used by example for user authentication.")
)
).subcommand(
Command::new("get")
.about("fetches one or several commits, or a binary object, with an optional signature, from a broker, using the Ext Protocol, and connecting on the Outer Overlay. The request is anonymous and doesn't need any authentication")
.arg(arg!([NURI] "NextGraph URI of the commit(s) or object, containing the ReadCap in the form :c:k :j:k and optionally :s:k and the usual :o:v:l").required(true))
)
.get_matches();
if std::env::var("RUST_LOG").is_err() {
@ -329,6 +339,183 @@ async fn main_inner() -> Result<(), NgcliError> {
None::<()>
});
match matches.subcommand() {
Some(("get", sub_matches)) => {
log_debug!("processing get command");
let nuri = NuriV0::new_for_readcaps(sub_matches.get_one::<String>("NURI").unwrap())?;
let overlay_id = nuri.overlay.unwrap().try_into()?;
let peer_privk = PrivKey::Ed25519PrivKey(keys[1]);
let peer_pubk = peer_privk.to_pub();
let broker_server = nuri.locator.unwrap().first_broker_server()?;
let mut ids = nuri.objects.iter().map(|o| o.id).collect::<Vec<ObjectId>>();
let in_nuri: HashSet<Digest> = HashSet::from_iter(ids.iter().cloned());
nuri.signature.as_ref().map(|s| ids.push(s.id.clone()));
let mut store = Store::new_temp_in_mem();
store.overlay_id = overlay_id;
let blocks: Vec<Block> = Broker::ext(
Box::new(ConnectionWebSocket {}),
peer_privk.clone(),
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.
ExtObjectGetV0 {
overlay: overlay_id,
ids,
include_files: true,
},
)
.await?;
blocks.into_iter().for_each(|b| _ = store.put(&b));
let mut next_round = Vec::with_capacity(2);
let mut signature = None;
if let Some(sign_ref) = nuri.signature {
if let Ok(o) = Object::load(sign_ref.id, Some(sign_ref.key), &store) {
match o.content_v0() {
Ok(ObjectContentV0::Signature(Signature::V0(v0))) => {
let in_sig = HashSet::from_iter(v0.content.commits().iter().cloned());
if in_nuri.is_subset(&in_sig) {
next_round.push((v0.certificate_ref.clone(), None));
signature = Some(v0);
} else {
println!("Signature is invalid");
log_err!("Signature is invalid");
}
}
_ => println!("Error: invalid signature object"),
}
}
}
nuri.objects.into_iter().for_each(|obj_ref| {
match Object::load(obj_ref.id, Some(obj_ref.key), &store) {
Err(e) => println!("Error: {:?}", e),
Ok(o) => match o.content_v0() {
Err(e) => println!("Error: {:?}", e),
Ok(ObjectContentV0::Commit(c)) => {
next_round.push((c.body_ref().clone(), Some(obj_ref.id)));
}
_ => println!("unsupported format"),
},
}
});
let blocks: Vec<Block> = Broker::ext(
Box::new(ConnectionWebSocket {}),
peer_privk.clone(),
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.
ExtObjectGetV0 {
overlay: overlay_id,
ids: next_round
.iter()
.map(|(o, _)| o.id)
.collect::<Vec<ObjectId>>(),
include_files: true,
},
)
.await?;
blocks.into_iter().for_each(|b| _ = store.put(&b));
let mut third_round = Vec::with_capacity(2);
let mut certificate = None;
for (body_ref, commit_id) in next_round.into_iter() {
match Object::load(body_ref.id, Some(body_ref.key), &store) {
Err(e) => println!("Error: {:?}", e),
Ok(o) => match o.content_v0() {
Err(e) => println!("Error: {:?}", e),
Ok(ObjectContentV0::CommitBody(CommitBody::V0(
CommitBodyV0::Snapshot(Snapshot::V0(snap)),
))) => {
println!("Snapshot: {}", commit_id.unwrap());
third_round.push(snap.content);
}
Ok(ObjectContentV0::CommitBody(CommitBody::V0(
CommitBodyV0::AsyncTransaction(_t),
))) => {
println!("Transaction: {}", commit_id.unwrap());
}
Ok(ObjectContentV0::Certificate(Certificate::V0(certif))) => {
if commit_id.is_none() && signature.is_some() {
third_round.push(certif.content.previous.clone());
certificate = Some(certif);
}
}
_ => println!("unsupported object"),
},
}
}
let blocks: Vec<Block> = 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.
ExtObjectGetV0 {
overlay: overlay_id,
ids: third_round.iter().map(|o| o.id).collect::<Vec<ObjectId>>(),
include_files: true,
},
)
.await?;
blocks.into_iter().for_each(|b| _ = store.put(&b));
for third_ref in third_round.into_iter() {
match Object::load(third_ref.id, Some(third_ref.key), &store) {
Err(e) => println!("Error: {:?}", e),
Ok(o) => match o.content_v0() {
Err(e) => println!("Error: {:?}", e),
Ok(ObjectContentV0::Snapshot(snap)) => match String::from_utf8(snap) {
Err(e) => println!("Error: {:?}", e),
Ok(s) => println!("Here is the snapshot data :\n\r{}", s),
},
Ok(ObjectContentV0::CommitBody(CommitBody::V0(
CommitBodyV0::Repository(repo),
))) => {
// DO THE SIGNATURE VERIFICATION
if signature.is_some() && certificate.is_some() {
if let NuriTargetV0::Repo(repo_id) = nuri.target {
if repo.id() != &repo_id {
println!(
"Repo in Nuri and Certificate differ : {}",
repo_id
)
}
}
println!("Repo that signed : {}", repo.id());
certificate
.as_ref()
.unwrap()
.verify_with_repo_id(&repo.id())?;
signature
.as_ref()
.unwrap()
.verify(certificate.as_ref().unwrap())?;
println!("Signature is valid!");
}
// TODO deal with more rounds needed if root certificate is not the second one in chain
}
_ => println!("unsupported object"),
},
}
}
return Ok(());
}
_ => {}
}
// reading config from file, if any
let mut config_path = path.clone();
config_path.push("config.json");

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