daemon.rs 92.9%

209 of 225 lines run, 32 of 89 functions · run #23 on main · run missed

//! The daemon's state (spec §7.1): the ledger it alone writes, the
//! principals kept current from the bus, the authenticator, and presence
//! with its timers. HTTP lives elsewhere (`spectra-mcp`, `radar`); this is
//! what they share.

use crate::authn::{Authenticator, Caller, Refusal};
use crate::event::{Auth, Event, Method, NewEvent};
use crate::keys::KeyPair;
use crate::ledger::{KeyResolver, Ledger};
use crate::presence::Presence;
use crate::principals::{Principal, Principals};
use crate::proof::Proof;
use anyhow::{bail, Context, Result};
use serde::{Deserialize, Serialize};
use std::path::{Path, PathBuf};
use std::sync::Arc;
use tokio::sync::{Mutex, RwLock};

/// Kinds the owner's CLI may hand the daemon, already signed over their
/// payload (spec §8.5, "One writer").
pub const OWNER_KINDS: &[&str] = &["identity.rotated", "agent.added", "agent.disabled", "project.added"];

pub struct Daemon {
    pub data: PathBuf,
    pub ledger: Ledger,
    pub principals: RwLock<Principals>,
    pub authn: Authenticator,
    pub presence: Mutex<Presence>,
    /// Per agent: empty `wait`s in a row, and until when `wait` is refused.
    pub idle_waits: Mutex<std::collections::HashMap<String, (u32, u64)>>,
}

impl Daemon {
    /// Open the data directory's ledger for writing and start the timers.
    pub async fn start(data: &Path) -> Result<Arc<Daemon>> {
        let db = data.join("spectra.db");
        if !db.exists() {
            bail!("no Spectra in {} (run `spectra init`)", data.display());
        }
        let instance = KeyPair::instance(data, "spectra")?;
        let ledger = Ledger::open(&db, Some(instance)).await?;
        let principals = Principals::load(&ledger).await?;
        let d = Arc::new(Daemon {
            data: data.to_path_buf(),
            ledger,
            principals: RwLock::new(principals),
            authn: Authenticator::default(),
            presence: Mutex::new(Presence::default()),
            idle_waits: Mutex::new(Default::default()),
        });
        d.clone().watch_principals();
        d.clone().tick_presence();
        Ok(d)
    }

    /// Reload who is who whenever an identity or agent event is appended.
    fn watch_principals(self: Arc<Self>) {
        let mut rx = self.ledger.subscribe();
        tokio::spawn(async move {
            loop {
                match rx.recv().await {
                    Ok(e)
                        if e.kind.starts_with("identity.")
                            || e.kind.starts_with("agent.") && e.kind != "agent.presence" && e.kind != "agent.status" =>
                    {
                        if let Ok(p) = Principals::load(&self.ledger).await {
                            *self.principals.write().await = p;
                        }
                    }
                    Ok(_) => {}
                    Err(tokio::sync::broadcast::error::RecvError::Lagged(_)) => {
                        if let Ok(p) = Principals::load(&self.ledger).await {
                            *self.principals.write().await = p;
                        }
                    }
                    Err(_) => return,
                }
            }
        });
    }

    /// Record presence changes and quiet sessions every 15 s, and write a
    /// checkpoint when one is due by time.
    fn tick_presence(self: Arc<Self>) {
        tokio::spawn(async move {
            let mut every = tokio::time::interval(std::time::Duration::from_secs(15));
            loop {
                every.tick().await;
                let events = self.presence.lock().await.tick(crate::ids::now_ms());
                if !events.is_empty() {
                    let _ = self.ledger.append(events).await;
                }
                let _ = self.ledger.append(vec![]).await;
            }
        });
    }

    /// Authenticate a request (spec §8.5); an agent used from the wrong Unix
    /// user is recorded as `guard.impersonation`, and a first connection
    /// that binds an agent's uid as `agent.uid_bound`.
    pub async fn authenticate(&self, proof: Option<&Proof>, method: &str, body: &[u8], peer: Option<Peer>) -> Result<Caller, Refusal> {
        let now = crate::ids::now_ms();
        let r = {
            let p = self.principals.read().await;
            if p.owner().is_none() {
                return Err(Refusal::NotAPrincipal("this Spectra has no owner yet: its owner claims it with `spectra connect`".into()));
            }
            self.authn.authenticate(&p, proof, method, body, now, peer.map(|x| x.uid))
        };
        match &r {
            Err(Refusal::WrongUid { agent, bound, from }) => {
                let e = NewEvent::system(
                    "guard.impersonation",
                    serde_json::json!({ "agent": agent, "bound_uid": bound, "from_uid": from, "from_pid": peer.map(|x| x.pid), "method": method }),
                )
                .subject(agent.clone());
                let _ = self.ledger.append_one(e).await;
                tracing::warn!(agent, bound, from, "a key used from the wrong Unix user");
            }
            Err(Refusal::BoundOverNetwork { agent, bound }) => {
                let e = NewEvent::system(
                    "guard.impersonation",
                    serde_json::json!({ "agent": agent, "bound_uid": bound, "from_uid": null, "over": "tcp", "method": method }),
                )
                .subject(agent.clone());
                let _ = self.ledger.append_one(e).await;
                tracing::warn!(agent, bound, "a uid-bound key used over the network");
            }
            Ok(Caller { principal: Principal::Agent { name, .. }, learn_uid: Some(uid), .. }) => {
                let e = NewEvent::system("agent.uid_bound", serde_json::json!({ "name": name, "uid": uid })).subject(name.clone());
                let _ = self.ledger.append_one(e).await;
            }
            _ => {}
        }
        r
    }

    /// Note a request from an agent: its session, and the event that
    /// starts one when this is the first in ten minutes.
    pub async fn touch(&self, who: &Principal, new_session: bool) -> Option<String> {
        let Principal::Agent { name, .. } = who else { return None };
        let (id, started) = self.presence.lock().await.request(name, crate::ids::now_ms(), new_session);
        if let Some(e) = started {
            let _ = self.ledger.append_one(e).await;
        }
        Some(id)
    }

    /// Append events the owner's CLI signed over their payload, after
    /// checking each as `spectra admin verify` would.
    pub async fn accept_owner_events(&self, events: Vec<WireEvent>) -> Result<Vec<u64>> {
        let mut principals = self.principals.read().await.clone();
        let projects: Vec<String> = events
            .iter()
            .filter(|e| e.kind == "project.added")
            .filter_map(|e| e.payload.get("name").and_then(|n| n.as_str()).map(String::from))
            .collect();
        let mut out = Vec::new();
        for w in events {
            let n = w.into_new_event()?;
            if n.kind == "channel.created" {
                // A project's channel comes with its project, unsigned, as `project add` makes it.
                let p = &n.payload;
                let ok = p.get("kind").and_then(|k| k.as_str()) == Some("project")
                    && p.get("name").and_then(|x| x.as_str()).is_some_and(|x| projects.iter().any(|q| q == x));
                if !ok || n.auth.method != Method::System {
                    bail!("a channel is only made with its project");
                }
                out.push(n);
                continue;
            }
            if !OWNER_KINDS.contains(&n.kind.as_str()) {
                bail!("{} cannot be handed to the daemon", n.kind);
            }
            if n.actor != "human" {
                bail!("only the owner hands events to the daemon");
            }
            // Check it as verify will, against who is who including the
            // batch so far.
            let probe = probe_event(&n);
            principals.check(&probe).map_err(|why| anyhow::anyhow!("refused {}: {why}", n.kind))?;
            if n.kind != "identity.rotated" {
                let key = oxy_core::hash::ObjectRef(n.auth.key.context("unsigned")?);
                if !matches!(principals.principal(&key, crate::ids::now_ms()), Ok(Principal::Owner { .. })) {
                    bail!("refused {}: not signed by the owner", n.kind);
                }
            }
            out.push(n);
        }
        let appended = self.ledger.append(out).await?;
        let _ = self.ledger.checkpoint().await;
        // Who is who has changed: know it before the next request arrives.
        *self.principals.write().await = Principals::load(&self.ledger).await?;
        Ok(appended.iter().map(|e| e.seq).collect())
    }

    /// The owner `spectra init --owner` named, while none is recorded.
    pub fn named_owner(&self) -> Option<String> {
        let text = std::fs::read_to_string(self.data.join("spectra.toml")).ok()?;
        let t: toml::Table = text.parse().ok()?;
        t.get("owner")?.get("key")?.as_str().map(|k| k.to_ascii_lowercase())
    }

    /// The owner claims a Spectra set up with `spectra init --owner`
    /// (spec §8.6): the named identity, signed by itself over its payload,
    /// then any successors up to the owner's current identity, each a
    /// rotation as `identity refresh` makes. Accepted only while no owner
    /// is recorded, and only from the key init named.
    pub async fn claim(&self, events: Vec<WireEvent>) -> Result<Vec<u64>> {
        let mut principals = self.principals.read().await.clone();
        if principals.owner().is_some() {
            bail!("this Spectra already has an owner");
        }
        let named = self.named_owner().context("this Spectra names no owner (spectra init --owner)")?;
        let mut out = Vec::new();
        for (i, w) in events.into_iter().enumerate() {
            let n = w.into_new_event()?;
            let want = if i == 0 { "identity.owner" } else { "identity.rotated" };
            if n.kind != want || n.actor != "human" {
                bail!("a claim is the owner's identity.owner, then their rotations");
            }
            if i == 0 {
                let key = n.payload.get("key").and_then(|k| k.as_str()).unwrap_or("").to_ascii_lowercase();
                if key != named || n.auth.key.map(hex::encode) != Some(named.clone()) {
                    bail!("this Spectra was set up for another owner");
                }
            }
            principals.check(&probe_event(&n)).map_err(|why| anyhow::anyhow!("refused the claim: {why}"))?;
            out.push(n);
        }
        if out.is_empty() {
            bail!("an empty claim");
        }
        let appended = self.ledger.append(out).await?;
        let _ = self.ledger.checkpoint().await;
        *self.principals.write().await = Principals::load(&self.ledger).await?;
        Ok(appended.iter().map(|e| e.seq).collect())
    }

    /// Write a checkpoint covering everything (at shutdown).
    pub async fn shutdown(&self) {
        let _ = self.ledger.checkpoint().await;
    }
}

/// The Unix peer of a socket connection.
#[derive(Clone, Copy, Debug, PartialEq, Eq)]
pub struct Peer {
    pub uid: u32,
    pub pid: Option<i32>,
}

/// An event as the CLI hands it to the daemon: signed already.
#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct WireEvent {
    pub kind: String,
    pub actor: String,
    pub subject: Option<String>,
    pub project: Option<String>,
    pub payload: serde_json::Value,
    /// Hex of the auth key and the encoded proof; absent for a project's channel.
    pub key: Option<String>,
    pub proof: Option<String>,
}

impl WireEvent {
    pub fn from_new(n: &NewEvent) -> WireEvent {
        WireEvent {
            kind: n.kind.clone(),
            actor: n.actor.clone(),
            subject: n.subject.clone(),
            project: n.project.clone(),
            payload: n.payload.clone(),
            key: n.auth.key.map(hex::encode),
            proof: n.auth.proof.as_ref().map(hex::encode),
        }
    }

    fn into_new_event(self) -> Result<NewEvent> {
        let auth = match (&self.key, &self.proof) {
            (Some(k), Some(p)) => Auth {
                key: Some(hex::decode(k).ok().and_then(|b| b.try_into().ok()).context("a key is 32 bytes of hex")?),
                method: Method::Signature,
                assurance: 2,
                proof: Some(hex::decode(p).context("a proof is hex")?),
            },
            _ => Auth::system(),
        };
        let mut n = NewEvent::system(&self.kind, self.payload).by(self.actor, auth);
        n.subject = self.subject;
        n.project = self.project;
        Ok(n)
    }
}

/// The event `n` would be, for checking before it is appended.
fn probe_event(n: &NewEvent) -> Event {
    let now = crate::ids::now_ms();
    Event {
        seq: 0,
        id: String::new(),
        at_ms: now,
        hlc: crate::hlc::Hlc { wall_ms: now, logical: 0 },
        prev: [0; 32],
        hash: [0; 32],
        auth: n.auth.clone(),
        kind: n.kind.clone(),
        actor: n.actor.clone(),
        session: n.session.clone(),
        project: n.project.clone(),
        subject: n.subject.clone(),
        payload: Some(crate::event::canonical_json(&n.payload)),
        trace: n.trace.clone(),
    }
}

`/`	Search
`g` `c`	Code
`g` `h`	History
`g` `b`	Bookmarks
`g` `t`	Trust
`y`	Permalink to this state (files and trees)
`?`	This sheet

1		//! The daemon's state (spec §7.1): the ledger it alone writes, the
2		//! principals kept current from the bus, the authenticator, and presence
3		//! with its timers. HTTP lives elsewhere (`spectra-mcp`, `radar`); this is
4		//! what they share.
5
6		use crate::authn::{Authenticator, Caller, Refusal};
7		use crate::event::{Auth, Event, Method, NewEvent};
8		use crate::keys::KeyPair;
9		use crate::ledger::{KeyResolver, Ledger};
10		use crate::presence::Presence;
11		use crate::principals::{Principal, Principals};
12		use crate::proof::Proof;
13		use anyhow::{bail, Context, Result};
14		use serde::{Deserialize, Serialize};
15		use std::path::{Path, PathBuf};
16		use std::sync::Arc;
17		use tokio::sync::{Mutex, RwLock};
18
19		/// Kinds the owner's CLI may hand the daemon, already signed over their
20		/// payload (spec §8.5, "One writer").
21		pub const OWNER_KINDS: &[&str] = &["identity.rotated", "agent.added", "agent.disabled", "project.added"];
22
23		pub struct Daemon {
24		pub data: PathBuf,
25		pub ledger: Ledger,
26		pub principals: RwLock<Principals>,
27		pub authn: Authenticator,
28		pub presence: Mutex<Presence>,
29		/// Per agent: empty `wait`s in a row, and until when `wait` is refused.
30		pub idle_waits: Mutex<std::collections::HashMap<String, (u32, u64)>>,
31		}
32
33		impl Daemon {
34		/// Open the data directory's ledger for writing and start the timers.
35	19×	pub async fn start(data: &Path) -> Result<Arc<Daemon>> {
36	19×	let db = data.join("spectra.db");
37	19×	if !db.exists() {
38	0×	bail!("no Spectra in {} (run `spectra init`)", data.display());
39	19×	}
40	19×	let instance = KeyPair::instance(data, "spectra")?;
41	19×	let ledger = Ledger::open(&db, Some(instance)).await?;
42	19×	let principals = Principals::load(&ledger).await?;
43	19×	let d = Arc::new(Daemon {
44	19×	data: data.to_path_buf(),
45	19×	ledger,
46	19×	principals: RwLock::new(principals),
47	19×	authn: Authenticator::default(),
48	19×	presence: Mutex::new(Presence::default()),
49	19×	idle_waits: Mutex::new(Default::default()),
50	19×	});
51	19×	d.clone().watch_principals();
52	19×	d.clone().tick_presence();
53	19×	Ok(d)
54	19×	}
55
56		/// Reload who is who whenever an identity or agent event is appended.
57	19×	fn watch_principals(self: Arc<Self>) {
58	19×	let mut rx = self.ledger.subscribe();
59	19×	tokio::spawn(async move {
60		loop {
61	128×	match rx.recv().await {
62	29×	Ok(e)
63	112×	if e.kind.starts_with("identity.")
64	102×	\|\| e.kind.starts_with("agent.") && e.kind != "agent.presence" && e.kind != "agent.status" =>
65		{
66	29×	if let Ok(p) = Principals::load(&self.ledger).await {
67	26×	*self.principals.write().await = p;
68	0×	}
69		}
70	83×	Ok(_) => {}
71		Err(tokio::sync::broadcast::error::RecvError::Lagged(_)) => {
72	0×	if let Ok(p) = Principals::load(&self.ledger).await {
73	0×	*self.principals.write().await = p;
74	0×	}
75		}
76	0×	Err(_) => return,
77		}
78		}
79	0×	});
80	19×	}
81
82		/// Record presence changes and quiet sessions every 15 s, and write a
83		/// checkpoint when one is due by time.
84	19×	fn tick_presence(self: Arc<Self>) {
85	19×	tokio::spawn(async move {
86	19×	let mut every = tokio::time::interval(std::time::Duration::from_secs(15));
87		loop {
88	38×	every.tick().await;
89	19×	let events = self.presence.lock().await.tick(crate::ids::now_ms());
90	19×	if !events.is_empty() {
91	0×	let _ = self.ledger.append(events).await;
92	19×	}
93	19×	let _ = self.ledger.append(vec![]).await;
94		}
95		});
96	19×	}
97
98		/// Authenticate a request (spec §8.5); an agent used from the wrong Unix
99		/// user is recorded as `guard.impersonation`, and a first connection
100		/// that binds an agent's uid as `agent.uid_bound`.
101	108×	pub async fn authenticate(&self, proof: Option<&Proof>, method: &str, body: &[u8], peer: Option<Peer>) -> Result<Caller, Refusal> {
102	108×	let now = crate::ids::now_ms();
103	107×	let r = {
104	108×	let p = self.principals.read().await;
105	108×	if p.owner().is_none() {
106	1×	return Err(Refusal::NotAPrincipal("this Spectra has no owner yet: its owner claims it with `spectra connect`".into()));
107	107×	}
108	107×	self.authn.authenticate(&p, proof, method, body, now, peer.map(\|x\| x.uid))
109		};
110	62×	match &r {
111	1×	Err(Refusal::WrongUid { agent, bound, from }) => {
112	1×	let e = NewEvent::system(
113	1×	"guard.impersonation",
114	1×	serde_json::json!({ "agent": agent, "bound_uid": bound, "from_uid": from, "from_pid": peer.map(\|x\| x.pid), "method": method }),
115		)
116	1×	.subject(agent.clone());
117	1×	let _ = self.ledger.append_one(e).await;
118	1×	tracing::warn!(agent, bound, from, "a key used from the wrong Unix user");
119		}
120	1×	Err(Refusal::BoundOverNetwork { agent, bound }) => {
121	1×	let e = NewEvent::system(
122	1×	"guard.impersonation",
123	1×	serde_json::json!({ "agent": agent, "bound_uid": bound, "from_uid": null, "over": "tcp", "method": method }),
124		)
125	1×	.subject(agent.clone());
126	1×	let _ = self.ledger.append_one(e).await;
127	1×	tracing::warn!(agent, bound, "a uid-bound key used over the network");
128		}
129	1×	Ok(Caller { principal: Principal::Agent { name, .. }, learn_uid: Some(uid), .. }) => {
130	1×	let e = NewEvent::system("agent.uid_bound", serde_json::json!({ "name": name, "uid": uid })).subject(name.clone());
131	1×	let _ = self.ledger.append_one(e).await;
132		}
133	104×	_ => {}
134		}
135	107×	r
136	108×	}
137
138		/// Note a request from an agent: its session, and the event that
139		/// starts one when this is the first in ten minutes.
140	44×	pub async fn touch(&self, who: &Principal, new_session: bool) -> Option<String> {
141	44×	let Principal::Agent { name, .. } = who else { return None };
142	44×	let (id, started) = self.presence.lock().await.request(name, crate::ids::now_ms(), new_session);
143	44×	if let Some(e) = started {
144	14×	let _ = self.ledger.append_one(e).await;
145	30×	}
146	44×	Some(id)
147	44×	}
148
149		/// Append events the owner's CLI signed over their payload, after
150		/// checking each as `spectra admin verify` would.
151	6×	pub async fn accept_owner_events(&self, events: Vec<WireEvent>) -> Result<Vec<u64>> {
152	6×	let mut principals = self.principals.read().await.clone();
153	6×	let projects: Vec<String> = events
154	6×	.iter()
155	11×	.filter(\|e\| e.kind == "project.added")
156	6×	.filter_map(\|e\| e.payload.get("name").and_then(\|n\| n.as_str()).map(String::from))
157	6×	.collect();
158	6×	let mut out = Vec::new();
159	11×	for w in events {
160	11×	let n = w.into_new_event()?;
161	11×	if n.kind == "channel.created" {
162		// A project's channel comes with its project, unsigned, as `project add` makes it.
163	2×	let p = &n.payload;
164	2×	let ok = p.get("kind").and_then(\|k\| k.as_str()) == Some("project")
165	2×	&& p.get("name").and_then(\|x\| x.as_str()).is_some_and(\|x\| projects.iter().any(\|q\| q == x));
166	2×	if !ok \|\| n.auth.method != Method::System {
167	0×	bail!("a channel is only made with its project");
168	2×	}
169	2×	out.push(n);
170	2×	continue;
171	9×	}
172	9×	if !OWNER_KINDS.contains(&n.kind.as_str()) {
173	0×	bail!("{} cannot be handed to the daemon", n.kind);
174	9×	}
175	9×	if n.actor != "human" {
176	0×	bail!("only the owner hands events to the daemon");
177	9×	}
178		// Check it as verify will, against who is who including the
179		// batch so far.
180	9×	let probe = probe_event(&n);
181	9×	principals.check(&probe).map_err(\|why\| anyhow::anyhow!("refused {}: {why}", n.kind))?;
182	9×	if n.kind != "identity.rotated" {
183	6×	let key = oxy_core::hash::ObjectRef(n.auth.key.context("unsigned")?);
184	6×	if !matches!(principals.principal(&key, crate::ids::now_ms()), Ok(Principal::Owner { .. })) {
185	0×	bail!("refused {}: not signed by the owner", n.kind);
186	6×	}
187	3×	}
188	9×	out.push(n);
189		}
190	6×	let appended = self.ledger.append(out).await?;
191	6×	let _ = self.ledger.checkpoint().await;
192		// Who is who has changed: know it before the next request arrives.
193	6×	*self.principals.write().await = Principals::load(&self.ledger).await?;
194	11×	Ok(appended.iter().map(\|e\| e.seq).collect())
195	6×	}
196
197		/// The owner `spectra init --owner` named, while none is recorded.
198	14×	pub fn named_owner(&self) -> Option<String> {
199	14×	let text = std::fs::read_to_string(self.data.join("spectra.toml")).ok()?;
200	14×	let t: toml::Table = text.parse().ok()?;
201	14×	t.get("owner")?.get("key")?.as_str().map(\|k\| k.to_ascii_lowercase())
202	14×	}
203
204		/// The owner claims a Spectra set up with `spectra init --owner`
205		/// (spec §8.6): the named identity, signed by itself over its payload,
206		/// then any successors up to the owner's current identity, each a
207		/// rotation as `identity refresh` makes. Accepted only while no owner
208		/// is recorded, and only from the key init named.
209	7×	pub async fn claim(&self, events: Vec<WireEvent>) -> Result<Vec<u64>> {
210	7×	let mut principals = self.principals.read().await.clone();
211	7×	if principals.owner().is_some() {
212	1×	bail!("this Spectra already has an owner");
213	6×	}
214	6×	let named = self.named_owner().context("this Spectra names no owner (spectra init --owner)")?;
215	6×	let mut out = Vec::new();
216	9×	for (i, w) in events.into_iter().enumerate() {
217	9×	let n = w.into_new_event()?;
218	9×	let want = if i == 0 { "identity.owner" } else { "identity.rotated" };
219	9×	if n.kind != want \|\| n.actor != "human" {
220	0×	bail!("a claim is the owner's identity.owner, then their rotations");
221	9×	}
222	9×	if i == 0 {
223	6×	let key = n.payload.get("key").and_then(\|k\| k.as_str()).unwrap_or("").to_ascii_lowercase();
224	6×	if key != named \|\| n.auth.key.map(hex::encode) != Some(named.clone()) {
225	2×	bail!("this Spectra was set up for another owner");
226	4×	}
227	3×	}
228	7×	principals.check(&probe_event(&n)).map_err(\|why\| anyhow::anyhow!("refused the claim: {why}"))?;
229	7×	out.push(n);
230		}
231	4×	if out.is_empty() {
232	0×	bail!("an empty claim");
233	4×	}
234	4×	let appended = self.ledger.append(out).await?;
235	4×	let _ = self.ledger.checkpoint().await;
236	4×	*self.principals.write().await = Principals::load(&self.ledger).await?;
237	7×	Ok(appended.iter().map(\|e\| e.seq).collect())
238	7×	}
239
240		/// Write a checkpoint covering everything (at shutdown).
241	19×	pub async fn shutdown(&self) {
242	19×	let _ = self.ledger.checkpoint().await;
243	19×	}
244		}
245
246		/// The Unix peer of a socket connection.
247		#[derive(Clone, Copy, Debug, PartialEq, Eq)]
248		pub struct Peer {
249		pub uid: u32,
250		pub pid: Option<i32>,
251		}
252
253		/// An event as the CLI hands it to the daemon: signed already.
254		#[derive(Clone, Debug, Serialize, Deserialize)]
255		pub struct WireEvent {
256		pub kind: String,
257		pub actor: String,
258		pub subject: Option<String>,
259		pub project: Option<String>,
260		pub payload: serde_json::Value,
261		/// Hex of the auth key and the encoded proof; absent for a project's channel.
262		pub key: Option<String>,
263		pub proof: Option<String>,
264		}
265
266		impl WireEvent {
267	21×	pub fn from_new(n: &NewEvent) -> WireEvent {
268	21×	WireEvent {
269	21×	kind: n.kind.clone(),
270	21×	actor: n.actor.clone(),
271	21×	subject: n.subject.clone(),
272	21×	project: n.project.clone(),
273	21×	payload: n.payload.clone(),
274	21×	key: n.auth.key.map(hex::encode),
275	21×	proof: n.auth.proof.as_ref().map(hex::encode),
276	21×	}
277	21×	}
278
279	20×	fn into_new_event(self) -> Result<NewEvent> {
280	20×	let auth = match (&self.key, &self.proof) {
281	18×	(Some(k), Some(p)) => Auth {
282	18×	key: Some(hex::decode(k).ok().and_then(\|b\| b.try_into().ok()).context("a key is 32 bytes of hex")?),
283	18×	method: Method::Signature,
284		assurance: 2,
285	18×	proof: Some(hex::decode(p).context("a proof is hex")?),
286		},
287	2×	_ => Auth::system(),
288		};
289	20×	let mut n = NewEvent::system(&self.kind, self.payload).by(self.actor, auth);
290	20×	n.subject = self.subject;
291	20×	n.project = self.project;
292	20×	Ok(n)
293	20×	}
294		}
295
296		/// The event `n` would be, for checking before it is appended.
297	16×	fn probe_event(n: &NewEvent) -> Event {
298	16×	let now = crate::ids::now_ms();
299	16×	Event {
300	16×	seq: 0,
301	16×	id: String::new(),
302	16×	at_ms: now,
303	16×	hlc: crate::hlc::Hlc { wall_ms: now, logical: 0 },
304	16×	prev: [0; 32],
305	16×	hash: [0; 32],
306	16×	auth: n.auth.clone(),
307	16×	kind: n.kind.clone(),
308	16×	actor: n.actor.clone(),
309	16×	session: n.session.clone(),
310	16×	project: n.project.clone(),
311	16×	subject: n.subject.clone(),
312	16×	payload: Some(crate::event::canonical_json(&n.payload)),
313	16×	trace: n.trace.clone(),
314	16×	}
315	16×	}

Coverage / crates/spectra-core/src/daemon.rs 92.9%

Keyboard