pfzetto/rebacs
1
0
Fork 0
mirror of https://github.com/pfzetto/rebacs synced 2024-11-22 11:12:49 +01:00
Code Issues Projects Releases Packages Wiki Activity

openid connect integration

Browse source
This commit is contained in:
Paul Zinselmeyer 2023-08-27 22:10:16 +02:00
parent faf4e82f88
commit 66fac9d185
Signed by: pfzetto
GPG key ID: 4EEF46A5B276E648
8 changed files with 1304 additions and 1257 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

990
Cargo.lock generated
View file

File diff suppressed because it is too large Load diff

14
Cargo.toml
View file

@ -6,16 +6,24 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
dotenvy = "0.15.7"
log = "0.4.17"
env_logger = "0.10.0"
serde = { version="1.0", features=["derive"] }
tokio = { version = "1.27.0", features = ["full"] }
log = "0.4.17"
pretty_env_logger = "0.4.0"
dotenvy = "0.15.7"
tonic = { version="0.9.2", features=["tls"] }
prost = "0.11.9"
sha2 = "0.10.6"
hex = "0.4.3"
compact_str = "0.7.0"
thiserror = "1.0.47"
jsonwebtoken = "8.3.0"
reqwest = { version="0.11.20", features=["json", "rustls-tls"], default-features=false}
[build-dependencies]
tonic-build = "0.9.2"

129
flake.lock Normal file
View file

@ -0,0 +1,129 @@
{
"nodes": {
"crane": {
"inputs": {
"flake-compat": "flake-compat",
"flake-utils": [
"flake-utils"
],
"nixpkgs": [
"nixpkgs"
],
"rust-overlay": [
"rust-overlay"
]
},
"locked": {
"lastModified": 1691423162,
"narHash": "sha256-cReUZCo83YEEmFcHX8CcOVTZYUrcWgHQO34zxQzy7WI=",
"owner": "ipetkov",
"repo": "crane",
"rev": "b5d9d42ea3fa8fea1805d9af1416fe207d0dd1dc",
"type": "github"
},
"original": {
"owner": "ipetkov",
"repo": "crane",
"type": "github"
}
},
"flake-compat": {
"flake": false,
"locked": {
"lastModified": 1673956053,
"narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
"owner": "edolstra",
"repo": "flake-compat",
"rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
"type": "github"
},
"original": {
"owner": "edolstra",
"repo": "flake-compat",
"type": "github"
}
},
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1689068808,
"narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1691472822,
"narHash": "sha256-XVfYZ2oB3lNPVq6sHCY9WkdQ8lHoIDzzbpg8bB6oBxA=",
"owner": "NixOS",
"repo": "nixpkgs",
"rev": "41c7605718399dcfa53dd7083793b6ae3bc969ff",
"type": "github"
},
"original": {
"owner": "NixOS",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"crane": "crane",
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs",
"rust-overlay": "rust-overlay"
}
},
"rust-overlay": {
"inputs": {
"flake-utils": [
"flake-utils"
],
"nixpkgs": [
"nixpkgs"
]
},
"locked": {
"lastModified": 1691547503,
"narHash": "sha256-l0AIKJucygbDFc2vuAkxmFMjNNJImDd7jYahA88/E+o=",
"owner": "oxalica",
"repo": "rust-overlay",
"rev": "3380f16b39457b49c8186d5e20e7a68ccf4fc96e",
"type": "github"
},
"original": {
"owner": "oxalica",
"repo": "rust-overlay",
"type": "github"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
}
},
"root": "root",
"version": 7
}

77
flake.nix Normal file
View file

@ -0,0 +1,77 @@
{
description = "rebacs";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs = {
nixpkgs.follows = "nixpkgs";
flake-utils.follows = "flake-utils";
};
};
crane = {
url = "github:ipetkov/crane";
inputs = {
nixpkgs.follows = "nixpkgs";
flake-utils.follows = "flake-utils";
rust-overlay.follows = "rust-overlay";
};
};
};
outputs = { self, nixpkgs, flake-utils, rust-overlay, crane}:
flake-utils.lib.eachDefaultSystem
(system:
let
overlays = [ (import rust-overlay) ];
pkgs = import nixpkgs {
inherit system overlays;
};
rustToolchain = pkgs.rust-bin.nightly.latest.default;
protoFilter = path: _type: builtins.match ".*proto$" path != null;
tailwindFilter = path: _type: builtins.match "^tailwind.config.js$" path != null;
protoOrCargo = path: type: (protoFilter path type) || (tailwindFilter path type) || (craneLib.filterCargoSources path type);
craneLib = (crane.mkLib pkgs).overrideToolchain rustToolchain;
src = pkgs.lib.cleanSourceWith {
src = craneLib.path ./.;
filter = protoOrCargo;
};
nativeBuildInputs = with pkgs; [ rustToolchain pkg-config ];
buildInputs = with pkgs; [ protobuf ];
commonArgs = {
inherit src buildInputs nativeBuildInputs;
};
cargoArtifacts = craneLib.buildDepsOnly commonArgs;
bin = craneLib.buildPackage (commonArgs // {
inherit cargoArtifacts;
});
dockerImage = pkgs.dockerTools.buildImage {
name = "rebacs";
tag = "latest";
config = {
Cmd = [ "${bin}/bin/rebacs" ];
};
};
in
with pkgs;
{
packages = {
inherit bin dockerImage;
default = bin;
};
devShells.default = mkShell {
inputsFrom = [ bin ];
};
}
);
}

94
proto/rebacs.proto
View file

@ -1,95 +1,45 @@
syntax = "proto3";
package eu.zettoit.rebacs;
service RelationService {
rpc Create(RelationCreateReq) returns (RelationCreateRes);
rpc Delete(RelationDeleteReq) returns (RelationDeleteRes);
rpc Exists(RelationExistsReq) returns (RelationExistsRes);
service RebacService {
rpc Grant(GrantReq) returns (GrantRes);
rpc Revoke(RevokeReq) returns (RevokeRes);
rpc Exists(ExistsReq) returns (ExistsRes);
rpc IsPermitted(IsPermittedReq) returns (IsPermittedRes);
}
service QueryService {
// check if one object or objectset is related to another by a relation
rpc IsRelatedTo(QueryIsRelatedToReq) returns (QueryIsRelatedToRes);
// get all objects that are related to one object by a relation
rpc GetRelated(QueryGetRelatedReq) returns (QueryGetRelatedRes);
// get all objects that the given object has a relation with
rpc GetRelations(QueryGetRelationsReq) returns (QueryGetRelationsRes);
}
message RelationCreateReq{
ObjectOrSet src = 1;
message GrantReq{
Object src = 1;
Object dst = 2;
string relation = 3;
}
message RelationCreateRes{}
message GrantRes{}
message RelationDeleteReq{
ObjectOrSet src = 1;
Object dst = 3;
string relation = 4;
}
message RelationDeleteRes{}
message RelationExistsReq{
ObjectOrSet src = 1;
message RevokeReq{
Object src = 1;
Object dst = 2;
string relation = 3;
}
message RelationExistsRes{
message RevokeRes{}
message ExistsReq{
Object src = 1;
Object dst = 2;
}
message ExistsRes{
bool exists = 1;
}
message QueryIsRelatedToReq{
ObjectOrSet src = 1;
Object dst = 2;
string relation = 3;
}
message QueryIsRelatedToRes{
bool related = 1;
}
message QueryGetRelatedReq{
Object dst = 1;
optional string relation = 2;
optional string namespace = 3;
optional uint32 depth = 4;
}
message QueryGetRelatedRes{
repeated QueryGetRelatedItem objects = 1;
}
message QueryGetRelatedItem{
string relation = 1;
Object src = 2;
}
message QueryGetRelationsReq{
message IsPermittedReq{
Object src = 1;
optional string relation = 2;
optional string namespace = 3;
optional uint32 depth = 4;
}
message QueryGetRelationsRes{
repeated QueryGetRelationsItem related = 1;
}
message QueryGetRelationsItem{
string relation = 1;
Object dst = 2;
}
message IsPermittedRes{
bool permitted = 1;
}
message Object{
string namespace = 1;
string id = 2;
}
message Set{
string namespace = 1;
string id = 2;
string relation = 3;
}
message ObjectOrSet {
string namespace = 1;
string id = 2;
optional string relation = 3;
}

526
src/grpc_service.rs
View file

@ -1,421 +1,207 @@
use std::collections::HashMap;
use std::sync::Arc;
use jsonwebtoken::{decode, DecodingKey, TokenData, Validation};
use log::info;
use sha2::{Digest, Sha256};
use serde::Deserialize;
use tokio::sync::mpsc::Sender;
use tokio::sync::Mutex;
use tonic::metadata::MetadataMap;
use tonic::{Request, Response, Status};
use crate::rebacs_proto::Object;
use crate::rebacs_proto::{
query_service_server::QueryService, relation_service_server::RelationService, Object,
QueryGetRelatedItem, QueryGetRelatedReq, QueryGetRelatedRes, QueryGetRelationsItem,
QueryGetRelationsReq, QueryGetRelationsRes, QueryIsRelatedToReq, QueryIsRelatedToRes,
RelationCreateReq, RelationCreateRes, RelationDeleteReq, RelationDeleteRes, RelationExistsReq,
RelationExistsRes,
rebac_service_server, ExistsReq, ExistsRes, GrantReq, GrantRes, IsPermittedReq, IsPermittedRes,
RevokeReq, RevokeRes,
};
use crate::relation_set::{ObjectOrSet, RelationSet};
use crate::relation_set::{NodeId, RelationSet};
#[derive(Clone)]
pub struct GraphService {
pub api_keys: Arc<Mutex<HashMap<String, String>>>,
pub graph: Arc<Mutex<RelationSet>>,
pub struct RebacService {
pub graph: Arc<RelationSet>,
pub oidc_pubkey: DecodingKey,
pub oidc_validation: Validation,
pub save_trigger: Sender<()>,
}
const API_KEY_NS: &str = "rebacs_key";
const NAMESPACE_NS: &str = "rebacs_ns";
const NAMESPACE_NS: &str = "namespace";
const USER_NS: &str = "user";
const GRANT_RELATION: &str = "grant";
const REVOKE_RELATION: &str = "revoke";
#[tonic::async_trait]
impl RelationService for GraphService {
async fn create(
&self,
request: Request<RelationCreateReq>,
) -> Result<Response<RelationCreateRes>, Status> {
let mut graph = self.graph.lock().await;
impl rebac_service_server::RebacService for RebacService {
async fn grant(&self, request: Request<GrantReq>) -> Result<Response<GrantRes>, Status> {
let token =
extract_token(request.metadata(), &self.oidc_pubkey, &self.oidc_validation).await?;
let api_key = api_key_from_req(request.metadata(), &self.api_keys).await?;
let (src, dst) = extract_src_dst(&request.get_ref().src, &request.get_ref().dst)?;
let req_src = request
.get_ref()
.src
.as_ref()
.ok_or(Status::invalid_argument("src must be set"))?;
let req_dst = request
.get_ref()
.dst
.as_ref()
.ok_or(Status::invalid_argument("dst must be set"))?;
let req_rel = &request.get_ref().relation;
if req_rel.is_empty() {
return Err(Status::invalid_argument("relation must be set"));
}
if req_dst.namespace.is_empty() {
return Err(Status::invalid_argument("dst.namespace must be set"));
}
if req_dst.id.is_empty() {
return Err(Status::invalid_argument("dst.id must be set"));
}
if !graph.has_recursive(
(API_KEY_NS, &*api_key),
"write",
(NAMESPACE_NS, &*req_dst.namespace),
u32::MAX,
) {
if !is_permitted(&token, &dst, GRANT_RELATION, &self.graph).await {
return Err(Status::permission_denied(
"missing dst.namespace write permissions",
))?;
"token not permitted to grant permissions on dst",
));
}
if req_src.namespace.is_empty() {
return Err(Status::invalid_argument("src.namespace must be set"));
}
if req_src.id.is_empty() {
return Err(Status::invalid_argument("src.id must be set"));
}
let src: ObjectOrSet = if let Some(req_src_relation) = req_src.relation.as_deref() {
if req_src_relation.is_empty() {
return Err(Status::invalid_argument("src.relation must be set"));
}
(&*req_src.namespace, &*req_src.id, req_src_relation).into()
} else {
(&*req_src.namespace, &*req_src.id).into()
};
graph.insert(
src.clone(),
req_rel.clone(),
(req_dst.namespace.clone(), req_dst.id.clone()),
info!(
"created relation {}:{}#{}@{}:{}#{} for {}",
dst.namespace,
dst.id,
dst.relation.clone().unwrap_or_default(),
src.namespace,
src.id,
src.relation.clone().unwrap_or_default(),
token.claims.sub
);
info!("created relation");
self.graph.insert(src, dst).await;
self.save_trigger.send(()).await.unwrap();
Ok(Response::new(RelationCreateRes {}))
Ok(Response::new(GrantRes {}))
}
async fn delete(
&self,
request: Request<RelationDeleteReq>,
) -> Result<Response<RelationDeleteRes>, Status> {
let mut graph = self.graph.lock().await;
async fn revoke(&self, request: Request<RevokeReq>) -> Result<Response<RevokeRes>, Status> {
let token =
extract_token(request.metadata(), &self.oidc_pubkey, &self.oidc_validation).await?;
let api_key = api_key_from_req(request.metadata(), &self.api_keys).await?;
let (src, dst) = extract_src_dst(&request.get_ref().src, &request.get_ref().dst)?;
let req_src = request
.get_ref()
.src
.as_ref()
.ok_or(Status::invalid_argument("src must be set"))?;
let req_dst = request
.get_ref()
.dst
.as_ref()
.ok_or(Status::invalid_argument("dst must be set"))?;
let req_rel = &request.get_ref().relation;
if req_rel.is_empty() {
return Err(Status::invalid_argument("relation must be set"));
}
if req_dst.namespace.is_empty() {
return Err(Status::invalid_argument("dst.namespace must be set"));
}
if req_dst.id.is_empty() {
return Err(Status::invalid_argument("dst.id must be set"));
}
if !graph.has_recursive(
(API_KEY_NS, &*api_key),
"write",
(NAMESPACE_NS, &*req_dst.namespace),
u32::MAX,
) {
if !is_permitted(&token, &dst, REVOKE_RELATION, &self.graph).await {
return Err(Status::permission_denied(
"missing dst.namespace write permissions",
))?;
"token not permitted to revoke permissions on dst",
));
}
if req_src.namespace.is_empty() {
return Err(Status::invalid_argument("src.namespace must be set"));
}
if req_src.id.is_empty() {
return Err(Status::invalid_argument("src.id must be set"));
}
let src: ObjectOrSet = if let Some(req_src_relation) = req_src.relation.as_deref() {
if req_src_relation.is_empty() {
return Err(Status::invalid_argument("src.relation must be set"));
}
self.graph
.remove(
(
src.namespace.to_string(),
src.id.to_string(),
src.relation.clone(),
),
(dst.namespace.clone(), dst.id.clone(), dst.relation.clone()),
)
.await;
(&*req_src.namespace, &*req_src.id, req_src_relation).into()
} else {
(&*req_src.namespace, &*req_src.id).into()
};
graph.remove(src, req_rel.as_str(), (&*req_dst.namespace, &*req_dst.id));
info!("deleted relation");
info!(
"delted relation {}:{}#{}@{}:{}#{} for {}",
dst.namespace,
dst.id,
dst.relation.clone().unwrap_or_default(),
src.namespace,
src.id,
src.relation.clone().unwrap_or_default(),
token.claims.sub
);
self.save_trigger.send(()).await.unwrap();
Ok(Response::new(RelationDeleteRes {}))
Ok(Response::new(RevokeRes {}))
}
async fn exists(
async fn exists(&self, request: Request<ExistsReq>) -> Result<Response<ExistsRes>, Status> {
let token =
extract_token(request.metadata(), &self.oidc_pubkey, &self.oidc_validation).await?;
let (src, dst) = extract_src_dst(&request.get_ref().src, &request.get_ref().dst)?;
let exists = self.graph.has(src, dst).await;
Ok(Response::new(ExistsRes { exists }))
}
async fn is_permitted(
&self,
request: Request<RelationExistsReq>,
) -> Result<Response<RelationExistsRes>, Status> {
let graph = self.graph.lock().await;
request: Request<IsPermittedReq>,
) -> Result<Response<IsPermittedRes>, Status> {
let token =
extract_token(request.metadata(), &self.oidc_pubkey, &self.oidc_validation).await?;
let api_key = api_key_from_req(request.metadata(), &self.api_keys).await?;
let (src, dst) = extract_src_dst(&request.get_ref().src, &request.get_ref().dst)?;
let req_src = request
.get_ref()
.src
.as_ref()
.ok_or(Status::invalid_argument("src must be set"))?;
let req_dst = request
.get_ref()
.dst
.as_ref()
.ok_or(Status::invalid_argument("dst must be set"))?;
let req_rel = &request.get_ref().relation;
let permitted = self.graph.has_recursive(src, dst, None).await;
if req_rel.is_empty() {
return Err(Status::invalid_argument("relation must be set"));
}
if req_dst.namespace.is_empty() {
return Err(Status::invalid_argument("dst.namespace must be set"));
}
if req_dst.id.is_empty() {
return Err(Status::invalid_argument("dst.id must be set"));
}
if !graph.has_recursive(
(API_KEY_NS, &*api_key),
"read",
(NAMESPACE_NS, &*req_dst.namespace),
u32::MAX,
) {
return Err(Status::permission_denied(
"missing dst.namespace write permissions",
))?;
}
if req_src.namespace.is_empty() {
return Err(Status::invalid_argument("src.namespace must be set"));
}
if req_src.id.is_empty() {
return Err(Status::invalid_argument("src.id must be set"));
}
let src: ObjectOrSet = if let Some(req_src_relation) = req_src.relation.as_deref() {
if req_src_relation.is_empty() {
return Err(Status::invalid_argument("src.relation must be set"));
}
(&*req_src.namespace, &*req_src.id, req_src_relation).into()
} else {
(&*req_src.namespace, &*req_src.id).into()
};
let exists = graph.has(src, req_rel.as_str(), (&*req_dst.namespace, &*req_dst.id));
Ok(Response::new(RelationExistsRes { exists }))
Ok(Response::new(IsPermittedRes { permitted }))
}
}
#[tonic::async_trait]
impl QueryService for GraphService {
async fn is_related_to(
&self,
request: Request<QueryIsRelatedToReq>,
) -> Result<Response<QueryIsRelatedToRes>, Status> {
let graph = self.graph.lock().await;
#[derive(Debug, Clone, Deserialize)]
pub struct Claims {
pub aud: Vec<String>,
pub exp: usize,
pub iat: usize,
pub iss: String,
pub sub: String,
pub azp: String,
let api_key = api_key_from_req(request.metadata(), &self.api_keys).await?;
let req_src = request
.get_ref()
.src
.as_ref()
.ok_or(Status::invalid_argument("src must be set"))?;
let req_dst = request
.get_ref()
.dst
.as_ref()
.ok_or(Status::invalid_argument("dst must be set"))?;
let req_rel = &request.get_ref().relation;
if req_rel.is_empty() {
return Err(Status::invalid_argument("relation must be set"));
}
if req_dst.namespace.is_empty() {
return Err(Status::invalid_argument("dst.namespace must be set"));
}
if req_dst.id.is_empty() {
return Err(Status::invalid_argument("dst.id must be set"));
}
if !graph.has_recursive(
(API_KEY_NS, &*api_key),
"read",
(NAMESPACE_NS, &*req_dst.namespace),
u32::MAX,
) {
return Err(Status::permission_denied(
"missing dst.namespace read permissions",
))?;
}
if req_src.namespace.is_empty() {
return Err(Status::invalid_argument("src.namespace must be set"));
}
if req_src.id.is_empty() {
return Err(Status::invalid_argument("src.id must be set"));
}
let src: ObjectOrSet = if let Some(req_src_relation) = req_src.relation.as_deref() {
if req_src_relation.is_empty() {
return Err(Status::invalid_argument("src.relation must be set"));
}
(&*req_src.namespace, &*req_src.id, req_src_relation).into()
} else {
(&*req_src.namespace, &*req_src.id).into()
};
let related = graph.has_recursive(
src,
req_rel.as_str(),
(&*req_dst.namespace, &*req_dst.id),
u32::MAX,
);
Ok(Response::new(QueryIsRelatedToRes { related }))
}
async fn get_related(
&self,
request: Request<QueryGetRelatedReq>,
) -> Result<Response<QueryGetRelatedRes>, Status> {
let graph = self.graph.lock().await;
let api_key = api_key_from_req(request.metadata(), &self.api_keys).await?;
let req_dst = request
.get_ref()
.dst
.as_ref()
.ok_or(Status::invalid_argument("dst must be set"))?;
let req_rel = &request.get_ref().relation;
if req_dst.namespace.is_empty() {
return Err(Status::invalid_argument("dst.namespace must be set"));
}
if req_dst.id.is_empty() {
return Err(Status::invalid_argument("dst.id must be set"));
}
let req_namespace = &request.get_ref().namespace;
let req_depth = &request.get_ref().depth;
if !graph.has_recursive(
(API_KEY_NS, &*api_key),
"read",
(NAMESPACE_NS, &*req_dst.namespace),
u32::MAX,
) {
return Err(Status::permission_denied(
"missing dst.namespace read permissions",
))?;
}
let dst = (req_dst.namespace.as_ref(), req_dst.id.as_ref());
let objects = graph
.related_to(
dst,
req_rel.as_deref(),
req_namespace.as_deref(),
req_depth.unwrap_or(u32::MAX),
)
.into_iter()
.map(|x| QueryGetRelatedItem {
src: Some(Object {
namespace: x.1.namespace.to_string(),
id: x.1.id.to_string(),
}),
relation: x.0 .0.to_string(),
})
.collect::<_>();
Ok(Response::new(QueryGetRelatedRes { objects }))
}
async fn get_relations(
&self,
request: Request<QueryGetRelationsReq>,
) -> Result<Response<QueryGetRelationsRes>, Status> {
let graph = self.graph.lock().await;
let api_key = api_key_from_req(request.metadata(), &self.api_keys).await?;
let req_src = request
.get_ref()
.src
.as_ref()
.ok_or(Status::invalid_argument("src must be set"))?;
let src = (&*req_src.namespace, &*req_src.id);
let req_rel = &request.get_ref().relation;
let req_namespace = &request.get_ref().namespace;
let req_depth = &request.get_ref().depth;
if !graph.has_recursive(
(API_KEY_NS, &*api_key),
"read",
(NAMESPACE_NS, &*req_src.namespace),
u32::MAX,
) {
return Err(Status::permission_denied(
"missing src.namespace read permissions",
))?;
}
let related = graph
.relations(
src,
req_rel.as_deref(),
req_namespace.as_deref(),
req_depth.unwrap_or(u32::MAX),
)
.into_iter()
.map(|x| QueryGetRelationsItem {
dst: Some(Object {
namespace: x.1.namespace.to_string(),
id: x.1.id.to_string(),
}),
relation: x.0 .0.to_string(),
})
.collect::<_>();
Ok(Response::new(QueryGetRelationsRes { related }))
}
pub name: String,
pub preferred_username: String,
pub given_name: String,
pub family_name: String,
pub email: String,
}
async fn api_key_from_req(
async fn extract_token(
metadata: &MetadataMap,
api_keys: &Arc<Mutex<HashMap<String, String>>>,
) -> Result<String, Status> {
let api_key = metadata
.get("x-api-key")
pubkey: &DecodingKey,
validation: &Validation,
) -> Result<TokenData<Claims>, Status> {
let token = metadata
.get("authorization")
.map(|x| x.to_str().unwrap())
.ok_or(Status::unauthenticated("x-api-key required"))?;
.ok_or(Status::unauthenticated("authorization header required"))?;
let mut hasher = Sha256::new();
hasher.update(api_key);
let api_key = hex::encode(hasher.finalize());
let api_keys = api_keys.lock().await;
let api_key = api_keys
.get(&api_key)
.ok_or(Status::unauthenticated("api-key invalid"))?;
Ok(api_key.to_string())
let token = decode::<Claims>(token, pubkey, validation)
.map_err(|_| Status::unauthenticated("authorization header invalid"))?;
Ok(token)
}
async fn is_permitted(
token: &TokenData<Claims>,
dst: &NodeId,
relation: &str,
graph: &RelationSet,
) -> bool {
let s1 = graph
.has_recursive(
(USER_NS, token.claims.sub.as_str()),
(dst.namespace.as_str(), dst.id.as_str(), relation),
None,
)
.await;
let s2 = graph
.has_recursive(
(USER_NS, token.claims.sub.as_str()),
(NAMESPACE_NS, dst.namespace.as_str(), relation),
None,
)
.await;
s1 || s2
}
fn extract_src_dst(src: &Option<Object>, dst: &Option<Object>) -> Result<(NodeId, NodeId), Status> {
let src = src
.as_ref()
.ok_or(Status::invalid_argument("src must be set"))?;
let src: NodeId = (src.namespace.clone(), src.id.clone(), src.relation.clone()).into();
let dst = dst
.as_ref()
.ok_or(Status::invalid_argument("dst must be set"))?;
let dst: NodeId = (dst.namespace.clone(), dst.id.clone(), dst.relation.clone()).into();
if dst.namespace.is_empty() {
return Err(Status::invalid_argument("dst.namespace must be set"));
}
if dst.id.is_empty() {
return Err(Status::invalid_argument("dst.id must be set"));
}
if src.namespace.is_empty() {
return Err(Status::invalid_argument("src.namespace must be set"));
}
if src.id.is_empty() {
return Err(Status::invalid_argument("src.id must be set"));
}
Ok((src, dst))
}

80
src/main.rs
View file

@ -1,15 +1,16 @@
#![feature(btree_cursors)]
use std::{collections::HashMap, sync::Arc, time::Duration};
use std::{env, sync::Arc, time::Duration};
use grpc_service::GraphService;
use grpc_service::RebacService;
use jsonwebtoken::{Algorithm, DecodingKey, Validation};
use log::info;
use relation_set::RelationSet;
//use grpc_service::GraphService;
use serde::Deserialize;
use tokio::{
fs::{self, File},
io::{AsyncBufReadExt, BufReader},
select,
sync::{mpsc::channel, Mutex},
sync::mpsc::channel,
};
use tonic::transport::Server;
@ -17,35 +18,26 @@ pub mod grpc_service;
pub mod rebacs_proto;
pub mod relation_set;
use crate::rebacs_proto::{
query_service_server::QueryServiceServer, relation_service_server::RelationServiceServer,
};
use crate::rebacs_proto::rebac_service_server;
#[derive(Deserialize)]
struct IssuerDiscovery {
public_key: String,
}
#[tokio::main]
async fn main() {
dotenvy::dotenv().ok();
pretty_env_logger::init();
let mut api_keys = HashMap::new();
if let Ok(file) = File::open("api_keys.dat").await {
let reader = BufReader::new(file);
let mut lines = reader.lines();
while let Ok(Some(line)) = lines.next_line().await {
let line = line.replace(' ', "");
let mut line = line.split('=');
let name = line.next().unwrap().to_string();
let hash = line.next().unwrap().to_string();
api_keys.insert(hash, name);
}
}
env_logger::init();
info!("loading graph from graph.dat");
let graph = if let Ok(mut file) = File::open("graph.dat").await {
RelationSet::from_file(&mut file).await
} else {
RelationSet::new()
RelationSet::default()
};
let graph = Arc::new(Mutex::new(graph));
let graph = Arc::new(graph);
let (save_tx, mut save_rx) = channel::<()>(32);
let save_thread_graph = graph.clone();
@ -55,24 +47,48 @@ async fn main() {
_ = tokio::time::sleep(Duration::from_secs(30)) => {}
_ = save_rx.recv() => {}
};
let graph = save_thread_graph.lock().await;
info!("saving graph");
let _ = fs::copy("graph.dat", "graph.dat.bak").await;
let mut file = File::create("graph.dat").await.unwrap();
graph.to_file(&mut file).await;
save_thread_graph.to_file(&mut file).await;
}
});
let graph_service = GraphService {
api_keys: Arc::new(Mutex::new(api_keys)),
let issuer = env::var("OIDC_ISSUER").expect("OIDC_ISSUER env var");
info!("loading public key from {issuer}");
let issuer_key = reqwest::get(&issuer)
.await
.unwrap()
.json::<IssuerDiscovery>()
.await
.unwrap()
.public_key;
let pem = format!(
"-----BEGIN PUBLIC KEY-----\n{}\n-----END PUBLIC KEY-----",
issuer_key
);
let oidc_pubkey = DecodingKey::from_rsa_pem(pem.as_bytes()).unwrap();
let mut oidc_validation = Validation::new(Algorithm::RS256);
oidc_validation.set_issuer(&[&issuer]);
oidc_validation.set_audience(&[env::var("OIDC_AUDIENCE").expect("OIDC_AUDIENCE env var")]);
let rebac_service = RebacService {
graph: graph.clone(),
save_trigger: save_tx.clone(),
oidc_pubkey,
oidc_validation,
};
let listen = "[::]:50051";
info!("starting grpc server on {listen}");
Server::builder()
.add_service(RelationServiceServer::new(graph_service.clone()))
.add_service(QueryServiceServer::new(graph_service))
.serve("[::]:50051".parse().unwrap())
.add_service(rebac_service_server::RebacServiceServer::new(
rebac_service.clone(),
))
.serve(listen.parse().unwrap())
.await
.unwrap()
}

629
src/relation_set.rs
View file

@ -1,399 +1,197 @@
use std::{
borrow::Borrow,
cmp::Ordering,
collections::{BTreeMap, BinaryHeap, HashMap, HashSet},
ops::{Bound, Deref},
collections::{BTreeSet, BinaryHeap, HashSet},
fmt::Debug,
hash::Hash,
ops::Deref,
sync::Arc,
};
use compact_str::CompactString;
use tokio::{
fs::File,
io::{AsyncBufReadExt, AsyncWriteExt, BufReader},
sync::RwLock,
};
#[derive(Hash, PartialEq, Eq, Clone, Debug)]
pub struct Object {
pub namespace: CompactString,
pub id: CompactString,
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct NodeId {
pub namespace: String,
pub id: String,
pub relation: Option<String>,
}
#[derive(Hash, PartialEq, Eq, Clone, Copy, Debug)]
pub struct ObjectRef<'a> {
pub namespace: &'a str,
pub id: &'a str,
pub struct Node {
pub id: NodeId,
pub edges_in: RwLock<Vec<Arc<Node>>>,
pub edges_out: RwLock<Vec<Arc<Node>>>,
}
#[derive(PartialEq, Eq, Hash, Clone, Debug)]
pub enum ObjectOrSet {
Object(Object),
Set((Object, Relation)),
#[derive(Debug, PartialEq, Eq)]
struct Distanced<T> {
distance: u32,
data: T,
}
#[derive(Hash, PartialEq, Eq, Clone, Debug)]
pub struct Relation(pub CompactString);
type S = ObjectOrSet;
type R = Relation;
type D = Object;
#[derive(Default)]
pub struct RelationSet {
src_to_dst: BTreeMap<Arc<S>, HashMap<Arc<R>, HashSet<Arc<D>>>>,
dst_to_src: BTreeMap<Arc<D>, HashMap<Arc<R>, HashSet<Arc<S>>>>,
nodes: RwLock<BTreeSet<Arc<Node>>>,
}
impl RelationSet {
pub fn new() -> Self {
Self {
src_to_dst: BTreeMap::new(),
dst_to_src: BTreeMap::new(),
}
}
pub fn insert(&mut self, src: impl Into<S>, rel: impl Into<R>, dst: impl Into<D>) {
let src = Arc::new(src.into());
let rel = Arc::new(rel.into());
let dst = Arc::new(dst.into());
if let Some(rels_dsts) = self.src_to_dst.get_mut(&src) {
if let Some(dsts) = rels_dsts.get_mut(&rel) {
dsts.insert(dst.clone());
} else {
let mut dsts = HashSet::new();
dsts.insert(dst.clone());
rels_dsts.insert(rel.clone(), dsts);
}
} else {
let mut rels_dsts = HashMap::new();
let mut dsts = HashSet::new();
dsts.insert(dst.clone());
rels_dsts.insert(rel.clone(), dsts);
self.src_to_dst.insert(src.clone(), rels_dsts);
}
if let Some(rels_srcs) = self.dst_to_src.get_mut(&dst) {
if let Some(srcs) = rels_srcs.get_mut(&rel) {
srcs.insert(src.clone());
} else {
let mut srcs = HashSet::new();
srcs.insert(src.clone());
rels_srcs.insert(rel.clone(), srcs);
}
} else {
let mut rels_srcs = HashMap::new();
let mut srcs = HashSet::new();
srcs.insert(src.clone());
rels_srcs.insert(rel.clone(), srcs);
self.dst_to_src.insert(dst.clone(), rels_srcs);
}
}
pub fn remove(&mut self, src: impl Into<S>, rel: impl Into<R>, dst: impl Into<D>) {
pub async fn insert(&self, src: impl Into<NodeId>, dst: impl Into<NodeId>) {
let src = src.into();
let rel = rel.into();
let dst = dst.into();
if let Some(dsts) = self
.src_to_dst
.get_mut(&src)
.and_then(|rels_dsts| rels_dsts.get_mut(&rel))
{
dsts.remove(&dst);
let mut nodes = self.nodes.write().await;
let src_node = match nodes.get(&src) {
Some(node) => node.clone(),
None => {
let node = Arc::new(Node {
id: src,
edges_out: RwLock::new(vec![]),
edges_in: RwLock::new(vec![]),
});
nodes.insert(node.clone());
node
}
};
let dst_node = match nodes.get(&dst).cloned() {
Some(node) => node.clone(),
None => {
let node = Arc::new(Node {
id: dst,
edges_out: RwLock::new(vec![]),
edges_in: RwLock::new(vec![]),
});
nodes.insert(node.clone());
node
}
};
add_edge(src_node, dst_node).await;
}
if let Some(srcs) = self
.dst_to_src
.get_mut(&dst)
.and_then(|rels_srcs| rels_srcs.get_mut(&rel))
{
srcs.remove(&src);
}
}
pub fn remove_by_src(&mut self, src: &S) {
for (rel, dsts) in self.src_to_dst.remove(src).iter().flat_map(|x| x.iter()) {
for dst in dsts {
if let Some(srcs) = self
.dst_to_src
.get_mut(dst)
.and_then(|rels_srcs| rels_srcs.get_mut(rel))
{
srcs.remove(src);
}
}
}
}
pub fn remove_by_dst(&mut self, dst: &D) {
for (rel, srcs) in self.dst_to_src.remove(dst).iter().flat_map(|x| x.iter()) {
for src in srcs {
if let Some(dsts) = self
.src_to_dst
.get_mut(src)
.and_then(|rels_dsts| rels_dsts.get_mut(rel))
{
dsts.remove(dst);
}
}
}
}
pub fn has(&self, src: impl Into<S>, rel: impl Into<R>, dst: impl Into<D>) -> bool {
pub async fn remove(&self, src: impl Into<NodeId>, dst: impl Into<NodeId>) {
let src = src.into();
let rel = rel.into();
let dst = dst.into();
self.src_to_dst
.get(&src)
.and_then(|rels_dsts| rels_dsts.get(&rel))
.and_then(|dsts| dsts.get(&dst))
.is_some()
let mut nodes = self.nodes.write().await;
let src = nodes.get(&src).cloned();
let dst = nodes.get(&dst).cloned();
if let (Some(src), Some(dst)) = (src, dst) {
src.edges_out.write().await.retain(|x| x != &dst);
dst.edges_in.write().await.retain(|x| x != &src);
if src.edges_in.read().await.is_empty() && src.edges_out.read().await.is_empty() {
nodes.remove(&src.id);
}
if dst.edges_in.read().await.is_empty() && dst.edges_out.read().await.is_empty() {
nodes.remove(&dst.id);
}
}
}
pub fn has_object<'a>(&self, obj: impl Into<&'a Object>) -> bool {
let obj = obj.into();
let has_dst_obj = self.dst_to_src.contains_key(obj);
pub async fn has(&self, src: impl Into<NodeId>, dst: impl Into<NodeId>) -> bool {
let src = src.into();
let dst = dst.into();
let cursor = self
.src_to_dst
.lower_bound(Bound::Included(&ObjectOrSet::Object(obj.clone())));
let has_src_obj = if let Some(key) = cursor.key() {
obj.namespace == key.object().namespace && obj.id == key.object().id
} else {
false
let (src, dst) = {
let nodes = self.nodes.read().await;
(nodes.get(&src).cloned(), nodes.get(&dst).cloned())
};
has_dst_obj || has_src_obj
}
pub fn has_recursive(
&self,
src: impl Into<S>,
rel: impl Into<R>,
dst: impl Into<D>,
limit: u32,
) -> bool {
let src = src.into();
let rel = rel.into();
let dst = dst.into();
let mut dist: HashMap<(Arc<Object>, Arc<Relation>), u32> = HashMap::new();
let mut q: BinaryHeap<Distanced<(Arc<Object>, Arc<Relation>)>> = BinaryHeap::new();
for (nrel, ndst) in self
.src_to_dst
.get(&src)
.iter()
.flat_map(|x| x.iter())
.flat_map(|(r, d)| d.iter().map(|d| (r.clone(), d.clone())))
{
if *nrel == rel && *ndst == dst {
return true;
}
dist.insert((ndst.clone(), nrel.clone()), 1);
q.push(Distanced::one((ndst, nrel)));
}
while let Some(distanced) = q.pop() {
let node_dist = distanced.distance() + 1;
if node_dist > limit {
break;
}
let node = ObjectOrSet::Set(((*distanced.0).clone(), (*distanced.1).clone()));
for (nrel, ndst) in self
.src_to_dst
.get(&node)
.iter()
.flat_map(|x| x.iter())
.flat_map(|(r, d)| d.iter().map(|d| (r.clone(), d.clone())))
{
if *nrel == rel && *ndst == dst {
return true;
}
if let Some(existing_node_dist) = dist.get(&*distanced) {
if *existing_node_dist <= node_dist {
continue;
}
}
dist.insert((ndst.clone(), nrel.clone()), node_dist);
q.push(Distanced::one((ndst, nrel)));
}
}
if let (Some(src), Some(dst)) = (src, dst) {
src.edges_out.read().await.contains(&dst)
} else {
false
}
}
pub fn related_to(
pub async fn has_recursive<'a>(
&self,
dst: impl Into<D>,
rel: Option<impl Into<R>>,
namespace: Option<&str>,
limit: u32,
) -> Vec<(Relation, Object)> {
let rel = rel.map(|x| x.into());
src: impl Into<NodeId>,
dst: impl Into<NodeId>,
limit: Option<u32>,
) -> bool {
let src = src.into();
let dst = dst.into();
let mut related: Vec<(Relation, Object)> = vec![];
let src = self.nodes.read().await.get(&src).unwrap().clone();
let mut dist: HashMap<(Arc<Object>, Arc<Relation>), u32> = HashMap::new();
let mut q: BinaryHeap<Distanced<(Arc<Object>, Arc<Relation>)>> = BinaryHeap::new();
for (nrel, ndst) in self
.dst_to_src
.get(&dst)
let src_neighbors = src
.edges_out
.read()
.await
.iter()
.flat_map(|x| x.iter())
.flat_map(|(r, d)| d.iter().map(|d| (r.clone(), d.clone())))
{
match &*ndst {
ObjectOrSet::Object(obj) => {
if (rel.is_none() || rel.as_ref() == Some(&nrel))
&& (namespace.is_none() || namespace == Some(&obj.namespace))
{
related.push(((*nrel).clone(), obj.clone()));
}
}
ObjectOrSet::Set((obj, rel)) => {
let obj = Arc::new(obj.clone());
let rel = Arc::new(rel.clone());
dist.insert((obj.clone(), rel.clone()), 1);
q.push(Distanced::one((obj, rel)));
}
}
}
.map(|x| Distanced::one(x.clone()))
.collect::<Vec<_>>();
let mut q: BinaryHeap<Distanced<Arc<Node>>> = BinaryHeap::from(src_neighbors);
let mut visited: HashSet<Arc<Node>> = HashSet::new();
while let Some(distanced) = q.pop() {
let node_dist = distanced.distance() + 1;
if node_dist > limit {
break;
}
for ndst in self
.dst_to_src
.get(&distanced.0)
.and_then(|x| x.get(&distanced.1))
.iter()
.flat_map(|x| x.iter())
{
match &**ndst {
ObjectOrSet::Object(obj) => {
if (rel.is_none() || rel.as_ref() == Some(&distanced.1))
&& (namespace.is_none() || namespace == Some(&obj.namespace))
{
related.push(((*distanced.1).clone(), obj.clone()));
}
}
ObjectOrSet::Set((obj, rel)) => {
let obj = Arc::new(obj.clone());
let rel = Arc::new(rel.clone());
dist.insert((obj.clone(), rel.clone()), node_dist);
q.push(Distanced::one((obj, rel)));
}
if distanced.id == dst {
return true;
}
if let Some(limit) = limit {
if distanced.distance() > limit {
return false;
}
}
related
}
pub fn relations(
&self,
src: impl Into<S>,
rel: Option<impl Into<R>>,
namespace: Option<&str>,
limit: u32,
) -> Vec<(Relation, Object)> {
let rel = rel.map(|x| x.into());
let src = src.into();
let mut related: Vec<(Relation, Object)> = vec![];
let mut dist: HashMap<Arc<ObjectOrSet>, u32> = HashMap::new();
let mut q: BinaryHeap<Distanced<Arc<ObjectOrSet>>> = BinaryHeap::new();
for (nrel, ndst) in self
.src_to_dst
.get(&src)
.iter()
.flat_map(|x| x.iter())
.flat_map(|(r, d)| d.iter().map(|d| (r.clone(), d.clone())))
{
if (rel.is_none() || rel.as_ref() == Some(&nrel))
&& (namespace.is_none() || namespace == Some(&ndst.namespace))
{
related.push(((*nrel).clone(), (*ndst).clone()));
}
let obj = Arc::new(ObjectOrSet::Set(((*ndst).clone(), (*nrel).clone())));
dist.insert(obj.clone(), 1);
q.push(Distanced::one(obj));
}
while let Some(distanced) = q.pop() {
let node_dist = distanced.distance() + 1;
if node_dist > limit {
break;
}
for (nrel, ndsts) in self
.src_to_dst
.get(&*distanced)
.iter()
.flat_map(|x| x.iter())
{
for ndst in ndsts {
if (rel.is_none() || rel.as_ref() == Some(nrel))
&& (namespace.is_none() || namespace == Some(&ndst.namespace))
{
related.push(((**nrel).clone(), (**ndst).clone()));
}
let obj = Arc::new(ObjectOrSet::Set(((**ndst).clone(), (**nrel).clone())));
dist.insert(obj.clone(), node_dist);
q.push(Distanced::one(obj));
}
for neighbor in distanced.edges_out.read().await.iter() {
if !visited.contains(neighbor) {
q.push(Distanced::new(neighbor.clone(), distanced.distance() + 1))
}
}
related
visited.insert(distanced.clone());
}
false
}
pub async fn to_file(&self, file: &mut File) {
for (dst, rels_srcs) in self.dst_to_src.iter() {
file.write_all(format!("[{}:{}]\n", &dst.namespace, &dst.id).as_bytes())
let mut current: (String, String) = (String::new(), String::new());
for node in self.nodes.read().await.iter() {
if current != (node.id.namespace.clone(), node.id.id.clone()) {
current = (node.id.namespace.clone(), node.id.id.clone());
file.write_all("\n".as_bytes()).await.unwrap();
file.write_all(format!("[{}:{}]\n", &current.0, &current.1).as_bytes())
.await
.unwrap();
for (rel, srcs) in rels_srcs.iter() {
if srcs.is_empty() {
continue;
}
let srcs = srcs
let srcs = node
.edges_in
.read()
.await
.iter()
.map(|src| {
let src_obj = src.object();
let src_str = if src_obj.namespace == dst.namespace && src_obj.id == dst.id
{
if src.id.namespace == current.0 && src.id.id == current.1 {
"self".to_string()
} else if let Some(rel) = &src.id.relation {
format!("{}:{}#{}", &src.id.namespace, &src.id.id, &rel)
} else {
format!("{}:{}", src_obj.namespace, src_obj.id)
};
match &**src {
ObjectOrSet::Object(_) => src_str,
ObjectOrSet::Set(set) => {
format!("{}#{}", src_str, set.1 .0)
}
format!("{}:{}", &src.id.namespace, &src.id.id)
}
})
.reduce(|acc, x| acc + ", " + &x)
.unwrap_or_default();
file.write_all(format!("{} = [{}]\n", &rel.0, &srcs).as_bytes())
if let Some(rel) = &node.id.relation {
file.write_all(format!("{} = [ {} ]\n", &rel, &srcs).as_bytes())
.await
.unwrap();
}
file.write_all("\n".as_bytes()).await.unwrap();
}
}
pub async fn from_file(file: &mut File) -> Self {
let reader = BufReader::new(file);
let mut lines = reader.lines();
let mut graph = Self::new();
let graph = Self::default();
let mut node: Option<(String, String)> = None;
while let Ok(Some(line)) = lines.next_line().await {
if line.starts_with('[') && line.ends_with(']') {
@ -408,10 +206,10 @@ impl RelationSet {
let arr_stop = line.find(']').unwrap();
let rel = line[..equals_pos].trim();
let arr = line[arr_start + 1..arr_stop].split(", ");
let arr = line[arr_start + 1..arr_stop].trim().split(", ");
for obj in arr {
let src: ObjectOrSet = if obj.contains('#') {
let src: NodeId = if obj.contains('#') {
let sep_1 = obj.find(':');
let sep_2 = obj.find('#').unwrap();
@ -435,7 +233,9 @@ impl RelationSet {
(namespace, id).into()
};
graph.insert(src, rel, dst.clone());
graph
.insert(src, (dst.0.as_str(), dst.1.as_str(), rel))
.await;
}
}
}
@ -444,13 +244,51 @@ impl RelationSet {
}
}
#[derive(PartialEq, Eq)]
struct Distanced<T> {
distance: u32,
data: T,
impl Debug for Node {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.debug_struct("Node").field("id", &self.id).finish()
}
}
async fn add_edge(from: Arc<Node>, to: Arc<Node>) {
from.edges_out.write().await.push(to.clone());
to.edges_in.write().await.push(from);
}
impl Borrow<NodeId> for Arc<Node> {
fn borrow(&self) -> &NodeId {
&self.id
}
}
impl PartialEq for Node {
fn eq(&self, other: &Self) -> bool {
self.id == other.id
}
}
impl Eq for Node {}
impl PartialOrd for Node {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
self.id.partial_cmp(&other.id)
}
}
impl Ord for Node {
fn cmp(&self, other: &Self) -> Ordering {
self.id.cmp(&other.id)
}
}
impl Hash for Node {
fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
self.id.hash(state);
}
}
impl<T> Distanced<T> {
pub fn new(data: T, distance: u32) -> Self {
Self { distance, data }
}
pub fn one(data: T) -> Self {
Self { distance: 1, data }
}
@ -478,111 +316,62 @@ impl<T: Eq> Ord for Distanced<T> {
}
}
impl PartialOrd for Relation {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
self.0.partial_cmp(&other.0)
}
}
impl Ord for Relation {
fn cmp(&self, other: &Self) -> Ordering {
self.0.cmp(&other.0)
}
}
impl PartialOrd for ObjectOrSet {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
match (
self.object().partial_cmp(other.object()),
self.relation(),
other.relation(),
) {
(Some(Ordering::Equal), self_rel, other_rel) => self_rel.partial_cmp(&other_rel),
(ord, _, _) => ord,
}
}
}
impl Ord for ObjectOrSet {
fn cmp(&self, other: &Self) -> Ordering {
self.object()
.cmp(other.object())
.then(self.relation().cmp(&other.relation()))
}
}
impl PartialOrd for Object {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
match self.namespace.partial_cmp(&other.namespace) {
Some(core::cmp::Ordering::Equal) => self.id.partial_cmp(&other.id),
ord => ord,
}
}
}
impl Ord for Object {
fn cmp(&self, other: &Self) -> Ordering {
self.namespace
.cmp(&other.namespace)
.then(self.id.cmp(&other.id))
}
}
impl From<(&str, &str)> for ObjectOrSet {
fn from((namespace, id): (&str, &str)) -> Self {
ObjectOrSet::Object(Object {
namespace: namespace.into(),
id: id.into(),
})
}
}
impl From<(&str, &str, &str)> for ObjectOrSet {
fn from((namespace, id, rel): (&str, &str, &str)) -> Self {
ObjectOrSet::Set(((namespace, id).into(), Relation(rel.into())))
}
}
impl From<(&str, &str)> for Object {
fn from((namespace, id): (&str, &str)) -> Self {
impl From<(&str, &str)> for NodeId {
fn from(value: (&str, &str)) -> Self {
Self {
namespace: namespace.into(),
id: id.into(),
namespace: value.0.to_string(),
id: value.1.to_string(),
relation: None,
}
}
}
impl From<(String, String)> for Object {
fn from((namespace, id): (String, String)) -> Self {
impl From<(&str, &str, &str)> for NodeId {
fn from(value: (&str, &str, &str)) -> Self {
Self {
namespace: namespace.into(),
id: id.into(),
namespace: value.0.to_string(),
id: value.1.to_string(),
relation: Some(value.2.to_string()),
}
}
}
impl From<&str> for Relation {
fn from(value: &str) -> Self {
Relation(value.into())
impl From<(&str, &str, Option<&str>)> for NodeId {
fn from(value: (&str, &str, Option<&str>)) -> Self {
Self {
namespace: value.0.to_string(),
id: value.1.to_string(),
relation: value.2.map(|x| x.to_string()),
}
}
impl From<String> for Relation {
fn from(value: String) -> Self {
Relation(value.into())
}
}
impl ObjectOrSet {
pub fn object(&self) -> &Object {
match self {
ObjectOrSet::Object(obj) => obj,
ObjectOrSet::Set((obj, _)) => obj,
}
}
pub fn relation(&self) -> Option<&Relation> {
match self {
ObjectOrSet::Object(_) => None,
ObjectOrSet::Set((_, rel)) => Some(rel),
impl From<(String, String)> for NodeId {
fn from(value: (String, String)) -> Self {
Self {
namespace: value.0,
id: value.1,
relation: None,
}
}
}
impl Relation {
pub fn new(relation: &str) -> Self {
Self(relation.into())
impl From<(String, String, String)> for NodeId {
fn from(value: (String, String, String)) -> Self {
Self {
namespace: value.0,
id: value.1,
relation: Some(value.2),
}
}
}
impl From<(String, String, Option<String>)> for NodeId {
fn from(value: (String, String, Option<String>)) -> Self {
Self {
namespace: value.0,
id: value.1,
relation: value.2,
}
}
}