OXYGENHUB
◆ v0.10.0 oxygen / src / cli / identity.rs
32.5 KiB · Rust · last changed A subrepo put back after its removal is pinned in the change that registers it; oxy identity create needs no repository (closes #152, closes #144) 7 days ago source blame history raw
fce44ae9 Andy McCall ↶ 1 
//! Identity, verification, and configuration commands.
2
3 
use super::format::{short_id, signature_line, when};
75167672 Andy McCall 4 
use super::json;
fce44ae9 Andy McCall ↶ 5 
use super::open;
135212de Andy McCall ↶ 6 
use super::ui;
fce44ae9 Andy McCall ↶ 7 
use anyhow::Result;
8 
use oxy_core::hash::ChangeHash;
75167672 Andy McCall 9 
use oxy_core::hash::KeyId;
7ba155f2 Andy McCall ↶ 10 
use oxy_core::identity::{Delegate, Identity, Scope};
28fc23d7 Andy McCall ↶ 11 
use oxy_core::objects::Hlc;
12 
use oxy_core::protocol::SignedPolicy;
c6aa5bd9 Andy McCall ↶ 13 
use oxy_core::repo::{self, IdentityScope, PolicyUpdate, Repo, Rotation, SignatureStatus};
83e0677b Andy McCall ↶ 14 
use std::path::{Path, PathBuf};
fce44ae9 Andy McCall ↶ 15
28fc23d7 Andy McCall ↶ 16 
const DAY_MS: u64 = 24 * 60 * 60 * 1000;
17
18 
fn expiry_from_days(days: u64) -> Option<u64> {
19 
    (days > 0).then(|| Hlc::now().wall_ms + days * DAY_MS)
20 
}
21
7ba155f2 Andy McCall ↶ 22 
/// `30m`, `8h`, `7d`, or a bare number of days, as a wall time from now.
23 
fn expiry_from_duration(s: &str) -> Result<u64> {
24 
    let s = s.trim();
25 
    let (n, unit) = match s.char_indices().find(|(_, c)| !c.is_ascii_digit()) {
26 
        Some((i, _)) => (&s[..i], &s[i..]),
27 
        None => (s, "d"),
28 
    };
29 
    let n: u64 = n.parse().map_err(|_| {
30 
        anyhow::anyhow!("--expires takes 30m, 8h, 7d or a number of days, not {s:?}")
31 
    })?;
32 
    let ms = match unit {
33 
        "m" => 60_000,
34 
        "h" => 3_600_000,
35 
        "d" => DAY_MS,
36 
        _ => anyhow::bail!("--expires takes 30m, 8h, 7d or a number of days, not {s:?}"),
37 
    };
38 
    if n == 0 {
39 
        anyhow::bail!("--expires needs a length of time; leave it out for no expiry");
40 
    }
41 
    Ok(Hlc::now().wall_ms + n * ms)
42 
}
43
5cde7882 Andy McCall ↶ 44 
/// Print the delegates, one per line: who, their key, what they may do
45 
/// and until when, so an agent's name is seen, not only its key.
46 
fn print_delegates(repo: &Repo, delegates: &[Delegate]) {
47 
    if delegates.is_empty() {
48 
        return;
49 
    }
50 
    println!("{}", ui::kv("delegates", delegates.len().to_string()));
51 
    let now = Hlc::now().wall_ms;
52 
    for d in delegates {
53 
        let who = repo
54 
            .identity(&d.key)
55 
            .map(|i| format!("{} <{}>", i.name, i.email))
56 
            .unwrap_or_else(|_| "(unknown identity)".into());
57 
        let until = match d.expires {
58 
            Some(e) if now > e => ui::err(format!("expired {}", ui::ago(e))),
59 
            Some(e) => ui::dim(format!("until {}", when(e))),
60 
            None => String::new(),
61 
        };
62 
        println!(
63 
            "    {}  {}  {} {}",
64 
            ui::author(who),
65 
            ui::hash(d.key.short(12)),
66 
            ui::dim(d.scope.to_string()),
67 
            until
68 
        );
69 
    }
7ba155f2 Andy McCall ↶ 70 
}
71
28fc23d7 Andy McCall ↶ 72 
/// Resolve a KeyId prefix among the identities the repository knows.
73 
fn resolve_key(repo: &Repo, prefix: &str) -> Result<KeyId> {
74 
    if let Some(k) = KeyId::from_hex(prefix) {
75 
        return Ok(k);
76 
    }
77 
    let mut candidates: Vec<KeyId> = Vec::new();
78 
    if let Some((_, sp)) = repo.current_policy()? {
79 
        candidates.extend(sp.policy.identities.iter().map(|i| i.hash()));
80 
        candidates.extend(sp.policy.revoked.iter().copied());
81 
    }
82 
    if let Some(own) = repo.config.author_key {
83 
        candidates.push(own);
84 
        if let Ok(id) = repo.identity(&own) {
7ba155f2 Andy McCall ↶ 85 
            candidates.extend(id.delegates.iter().map(|d| d.key));
28fc23d7 Andy McCall ↶ 86 
        }
87 
    }
88 
    candidates.sort();
89 
    candidates.dedup();
75167672 Andy McCall 90 
    let matches: Vec<_> = candidates
91 
        .into_iter()
92 
        .filter(|k| k.starts_with_hex(prefix))
93 
        .collect();
28fc23d7 Andy McCall ↶ 94 
    match matches.len() {
95 
        1 => Ok(matches[0]),
96 
        0 => anyhow::bail!("no known key starts with {prefix:?}"),
97 
        _ => anyhow::bail!("{prefix:?} is ambiguous"),
98 
    }
99 
}
100
101 
/// Report a policy update: applied, or written out as a proposal that
102 
/// other root holders sign with `oxy policy sign`.
103 
fn report_update(u: &PolicyUpdate, out: Option<PathBuf>) -> Result<()> {
104 
    if u.applied {
75167672 Andy McCall 105 
        println!(
106 
            "{} policy serial {} {}",
107 
            ui::done("Applied"),
108 
            u.policy.serial,
109 
            ui::dim("(push to publish it)")
110 
        );
28fc23d7 Andy McCall ↶ 111 
        return Ok(());
112 
    }
113 
    let path = out.unwrap_or_else(|| PathBuf::from(format!("policy-{}.proposal", u.policy.serial)));
114 
    std::fs::write(&path, u.signed().encode())?;
115 
    println!(
116 
        "{} policy serial {} needs {} of {} root signatures; has {}. Wrote {} for another root to run {}",
117 
        ui::caution(),
118 
        u.policy.serial,
119 
        u.policy.root_threshold,
120 
        u.policy.roots.len(),
121 
        u.sigs.len(),
122 
        ui::path(path.display()),
123 
        ui::dim(format!("oxy policy sign {}", path.display()))
124 
    );
125 
    Ok(())
126 
}
127
5cde7882 Andy McCall ↶ 128 
fn report_rotation(repo: &Repo, r: &Rotation, verb: &str) -> Result<()> {
75167672 Andy McCall 129 
    println!(
130 
        "{} identity {} <{}>",
131 
        ui::done(verb),
132 
        ui::author(&r.identity.name),
133 
        r.identity.email
134 
    );
28fc23d7 Andy McCall ↶ 135 
    println!("{}", ui::kv("old key", ui::dim(r.old.to_hex())));
136 
    println!("{}", ui::kv("new key", r.new.to_hex()));
5cde7882 Andy McCall ↶ 137 
    print_delegates(repo, &r.identity.delegates);
28fc23d7 Andy McCall ↶ 138 
    if let Some(e) = r.identity.expires {
139 
        println!("{}", ui::kv("expires", when(e)));
140 
    }
141 
    match &r.policy {
142 
        Some(u) => report_update(u, None)?,
75167672 Andy McCall 143 
        None => println!(
144 
            "  {} {}",
145 
            ui::note(),
146 
            ui::dim("no policy names the old key; export the new identity for policy holders")
147 
        ),
28fc23d7 Andy McCall ↶ 148 
    }
149 
    Ok(())
150 
}
151
75167672 Andy McCall 152 
pub fn create(
153 
    name: Option<String>,
154 
    email: Option<String>,
155 
    local: bool,
156 
    expires: Option<u64>,
157 
) -> Result<i32> {
64dc5197 Andy McCall ↶ 158 
    // A first identity comes before any repository (oxygen#144): only
159 
    // --local needs one; inside one, it is kept there too.
160 
    let mut repo = match open() {
161 
        Ok(r) => r,
162 
        Err(e) if local => return Err(e),
163 
        Err(_) => {
164 
            let (key, id) = repo::create_user_identity(
165 
                name.as_deref(),
166 
                email.as_deref(),
167 
                expires.and_then(expiry_from_days),
168 
            )?;
169 
            println!(
170 
                "{} identity {} <{}>",
171 
                ui::done("Created"),
172 
                ui::author(&id.name),
173 
                id.email
174 
            );
175 
            println!("{}", ui::kv("key", key));
176 
            println!(
177 
                "{}",
178 
                ui::kv("secret", ui::path(repo::default_keys_dir().display()))
179 
            );
180 
            println!(
181 
                "{}",
182 
                ui::kv(
183 
                    "scope",
184 
                    format!(
185 
                        "default author in {}",
186 
                        ui::path(repo::default_user_config().display())
187 
                    )
188 
                )
189 
            );
190 
            println!("  {} {}", ui::note(), ui::dim("changes in every repository carry this author; run oxy config --user core.sign change to sign each commit"));
191 
            return Ok(0);
192 
        }
193 
    };
fce44ae9 Andy McCall ↶ 194 
    let name = name.unwrap_or_else(|| repo.config.author_name.clone());
195 
    let email = email.unwrap_or_else(|| repo.config.author_email.clone());
75167672 Andy McCall 196 
    let scope = if local {
197 
        IdentityScope::Repo
198 
    } else {
199 
        IdentityScope::User
200 
    };
201 
    let (key, _) =
202 
        repo.create_identity_with(&name, &email, scope, expires.and_then(expiry_from_days))?;
203 
    println!(
204 
        "{} identity {} <{email}>",
205 
        ui::done("Created"),
206 
        ui::author(&name)
207 
    );
94084087 Andy McCall ↶ 208 
    println!("{}", ui::kv("key", key));
75167672 Andy McCall 209 
    println!(
210 
        "{}",
211 
        ui::kv("secret", ui::path(repo::default_keys_dir().display()))
212 
    );
fce44ae9 Andy McCall ↶ 213 
    match scope {
75167672 Andy McCall 214 
        IdentityScope::User => println!(
215 
            "{}",
216 
            ui::kv(
217 
                "scope",
218 
                format!(
219 
                    "default author in {}",
220 
                    ui::path(repo.user_config_path().display())
221 
                )
222 
            )
223 
        ),
224 
        IdentityScope::Repo => {
225 
            println!("{}", ui::kv("scope", "this repository's .oxy/config only"))
226 
        }
fce44ae9 Andy McCall ↶ 227 
    }
228 
    if !repo.config.sign_changes {
94084087 Andy McCall ↶ 229 
        println!("  {} {}", ui::note(), ui::dim("changes will carry this author; run oxy config --user core.sign change to sign each commit"));
fce44ae9 Andy McCall ↶ 230 
    }
231 
    Ok(0)
232 
}
233
234 
pub fn show() -> Result<i32> {
235 
    let repo = open()?;
236 
    let Some(key) = repo.config.author_key else {
237 
        println!("No identity configured; run `oxy identity create`.");
238 
        return Ok(0);
239 
    };
240 
    let id = repo.identity(&key)?;
75167672 Andy McCall 241 
    println!(
242 
        "{} {} <{}>",
243 
        ui::section("identity"),
244 
        ui::author(&id.name),
245 
        id.email
246 
    );
94084087 Andy McCall ↶ 247 
    println!("{}", ui::kv("key", key));
75167672 Andy McCall 248 
    println!(
249 
        "{}",
250 
        ui::kv(
251 
            "created",
252 
            format!(
253 
                "{} {}",
254 
                when(id.created),
255 
                ui::dim(format!("({})", ui::ago(id.created)))
256 
            )
257 
        )
258 
    );
28fc23d7 Andy McCall ↶ 259 
    if let Some(e) = id.expires {
260 
        let expired = id.is_expired_at(Hlc::now().wall_ms);
75167672 Andy McCall 261 
        println!(
262 
            "{}",
263 
            ui::kv(
264 
                "expires",
265 
                if expired {
266 
                    ui::err(format!("{} EXPIRED", when(e)))
267 
                } else {
268 
                    when(e)
269 
                }
270 
            )
271 
        );
28fc23d7 Andy McCall ↶ 272 
    }
273 
    if let Some(p) = id.previous {
274 
        println!("{}", ui::kv("previous", ui::dim(p.short(12))));
275 
    }
614f55e1 Andy McCall ↶ 276 
    // A repository that pins one key while the user file names another is
277 
    // how checkouts drift apart after a rotation (oxygen#69).
278 
    if let Some(pinned) = repo
279 
        .config
280 
        .repo_layer()
281 
        .get("author.key")
282 
        .and_then(|k| oxy_core::hash::KeyId::from_hex(k))
283 
    {
284 
        let user_key = repo::read_config_file(&repo::default_user_config())
285 
            .ok()
286 
            .and_then(|m| {
287 
                m.get("author.key")
288 
                    .and_then(|k| oxy_core::hash::KeyId::from_hex(k))
289 
            });
290 
        if let Some(u) = user_key.filter(|u| *u != pinned) {
291 
            let related = |from: oxy_core::hash::KeyId, to: oxy_core::hash::KeyId| {
292 
                let mut cur = Some(from);
293 
                for _ in 0..64 {
294 
                    match cur {
295 
                        Some(k) if k == to => return true,
296 
                        Some(k) => cur = repo.identity(&k).ok().and_then(|i| i.previous),
297 
                        None => break,
298 
                    }
299 
                }
300 
                false
301 
            };
302 
            let how = if related(pinned, u) {
303 
                "an older key of this identity"
304 
            } else if related(u, pinned) {
305 
                "a newer key of this identity"
306 
            } else {
307 
                "another key"
308 
            };
309 
            println!(
310 
                "  {} {}",
311 
                ui::caution(),
312 
                ui::dim(format!(
313 
                    "this repository pins author.key {}; your user config names {how}, {}. Other checkouts follow the user config: `oxy config --unset author.key` here, or `oxy config --user author.key {}`",
314 
                    pinned.short(12),
315 
                    u.short(12),
316 
                    pinned.to_hex()
317 
                ))
318 
            );
319 
        }
320 
    }
5cde7882 Andy McCall ↶ 321 
    print_delegates(&repo, &id.delegates);
28fc23d7 Andy McCall ↶ 322 
    if repo.is_revoked(&key)? {
75167672 Andy McCall 323 
        println!(
324 
            "{}",
325 
            ui::kv(
326 
                "status",
327 
                ui::err(format!("{} REVOKED", ui::glyph("✖", "x")))
328 
            )
329 
        );
28fc23d7 Andy McCall ↶ 330 
    }
75167672 Andy McCall 331 
    println!(
332 
        "{}",
333 
        ui::kv(
334 
            "secret",
335 
            if repo.secret_key()?.is_some() {
336 
                ui::ok(format!("{} available", ui::glyph("✔", "*")))
337 
            } else {
338 
                ui::err(format!(
339 
                    "{} not found in the key directory",
340 
                    ui::glyph("✖", "x")
341 
                ))
342 
            }
343 
        )
344 
    );
345 
    println!(
346 
        "{}",
347 
        ui::kv(
348 
            "signing",
349 
            if repo.config.sign_changes {
350 
                "every change (core.sign = change)"
351 
            } else {
352 
                "at push via seals (core.sign = seal)"
353 
            }
354 
        )
355 
    );
fce44ae9 Andy McCall ↶ 356 
    Ok(0)
357 
}
358
2c9ddac3 Andy McCall ↶ 359 
pub fn verify(change: Option<&str>, revset: Option<&str>, as_json: bool) -> Result<i32> {
fce44ae9 Andy McCall ↶ 360 
    let repo = open()?;
2c9ddac3 Andy McCall ↶ 361 
    let hashes: Vec<ChangeHash> = match (change, revset) {
362 
        (_, Some(r)) => {
363 
            let wc = repo.working_copy().ok().map(|(h, _)| h);
364 
            repo.revset(r)?
365 
                .hashes
366 
                .into_iter()
367 
                .filter(|h| Some(*h) != wc)
368 
                .collect()
369 
        }
370 
        (Some(c), None) => vec![repo.resolve_change(c)?],
371 
        (None, None) => repo
75167672 Andy McCall 372 
            .log()?
373 
            .into_iter()
374 
            .filter(|e| !e.is_working_copy)
375 
            .map(|e| e.hash)
376 
            .collect(),
fce44ae9 Andy McCall ↶ 377 
    };
378 
    let mut bad = 0;
c6aa5bd9 Andy McCall ↶ 379 
    if as_json {
380 
        let mut items = Vec::new();
381 
        for h in &hashes {
75167672 Andy McCall 382 
            let Ok(c) = repo.store().get_change(h) else {
383 
                continue;
384 
            };
c6aa5bd9 Andy McCall ↶ 385 
            let (status, key, name, revoked, reason) = match repo.authenticate_change(h)? {
386 
                SignatureStatus::Unsigned => ("unsigned", None, None, false, None),
75167672 Andy McCall 387 
                SignatureStatus::Valid {
388 
                    key,
389 
                    name,
390 
                    sealed,
391 
                    revoked,
392 
                    ..
393 
                } => (
394 
                    if sealed { "sealed" } else { "signed" },
395 
                    Some(key.to_hex()),
396 
                    Some(name),
397 
                    revoked,
398 
                    None,
399 
                ),
c6aa5bd9 Andy McCall ↶ 400 
                SignatureStatus::Invalid(why) => {
401 
                    bad += 1;
402 
                    ("invalid", None, None, false, Some(why))
403 
                }
404 
            };
405 
            items.push(json::obj([
406 
                ("hash", json::s(&h.to_hex())),
407 
                ("change_id", json::s(&c.change_id.to_hex())),
408 
                ("status", json::s(status)),
409 
                ("key", json::opt(key.as_deref(), json::s)),
410 
                ("name", json::opt(name.as_deref(), json::s)),
411 
                ("revoked", json::b(revoked)),
412 
                ("reason", json::opt(reason.as_deref(), json::s)),
413 
            ]));
414 
        }
415 
        println!("{}", json::arr(items));
416 
        return Ok(if bad > 0 { 1 } else { 0 });
417 
    }
fce44ae9 Andy McCall ↶ 418 
    for h in hashes {
2863456a Andy McCall ↶ 419 
        let Ok(c) = repo.store().get_change(&h) else {
75167672 Andy McCall 420 
            println!(
421 
                "{}  {}",
422 
                ui::hash(format!("#{}", h.short(12))),
423 
                ui::dim("not present (shallow)")
424 
            );
2863456a Andy McCall ↶ 425 
            continue;
426 
        };
fce44ae9 Andy McCall ↶ 427 
        let line = signature_line(&repo, &h)?;
135212de Andy McCall ↶ 428 
        let styled = if line.starts_with("INVALID") {
fce44ae9 Andy McCall ↶ 429 
            bad += 1;
94084087 Andy McCall ↶ 430 
            ui::err(format!("{} {line}", ui::glyph("✖", "x")))
135212de Andy McCall ↶ 431 
        } else if line == "unsigned" {
94084087 Andy McCall ↶ 432 
            ui::dim(format!("{} {line}", ui::glyph("·", "-")))
135212de Andy McCall ↶ 433 
        } else {
94084087 Andy McCall ↶ 434 
            ui::ok(format!("{} {line}", ui::glyph("✔", "v")))
135212de Andy McCall ↶ 435 
        };
75167672 Andy McCall 436 
        println!(
437 
            "{} {}  {styled}",
438 
            ui::id(short_id(&c)),
439 
            ui::hash(format!("#{}", h.short(12)))
440 
        );
fce44ae9 Andy McCall ↶ 441 
    }
442 
    Ok(if bad > 0 { 1 } else { 0 })
443 
}
444
8e9c64d1 Andy McCall ↶ 445 
/// Whether a configuration key holds a secret, never to be printed.
446 
fn secret_key(key: &str) -> bool {
447 
    let k = key.to_ascii_lowercase();
448 
    k.ends_with(".token") || k.contains("secret") || k.contains("password")
449 
}
450
451 
/// A secret as a confirmation may show it (oxygen#113): enough of its start
452 
/// to tell which one it is, never the rest.
453 
fn mask(value: &str) -> String {
454 
    let shown: String = value.chars().take(10).collect();
455 
    let rest = value.chars().count().saturating_sub(10);
456 
    if rest == 0 {
457 
        "…".to_string()
458 
    } else {
459 
        format!("{shown}…({rest} more)")
460 
    }
461 
}
462
614f55e1 Andy McCall ↶ 463 
pub fn config(key: &str, value: &str, user: bool, unset: bool) -> Result<i32> {
464 
    // An empty value removes the key, which is what --unset says plainly.
8e9c64d1 Andy McCall ↶ 465 
    // `-` reads the value from standard input, so a token never sits in
466 
    // the shell's history (oxygen#113).
467 
    let read;
468 
    let value = if unset {
469 
        ""
470 
    } else if value == "-" {
471 
        let mut line = String::new();
472 
        std::io::stdin().read_line(&mut line)?;
473 
        read = line.trim().to_string();
474 
        read.as_str()
475 
    } else {
476 
        value
477 
    };
614f55e1 Andy McCall ↶ 478 
    let said = if unset {
479 
        format!("{} {key}", ui::done("Unset"))
8e9c64d1 Andy McCall ↶ 480 
    } else if secret_key(key) {
481 
        format!("{} {key} = {}", ui::done("Set"), mask(value))
614f55e1 Andy McCall ↶ 482 
    } else {
483 
        format!("{} {key} = {value}", ui::done("Set"))
484 
    };
fce44ae9 Andy McCall ↶ 485 
    if user {
486 
        let path = repo::default_user_config();
487 
        repo::Config::set_user(&path, key, value)?;
614f55e1 Andy McCall ↶ 488 
        println!("{said} {}", ui::dim(format!("(in {})", path.display())));
fce44ae9 Andy McCall ↶ 489 
    } else {
490 
        let mut repo = open()?;
491 
        repo.config.set(key, value)?;
492 
        repo.save_config()?;
614f55e1 Andy McCall ↶ 493 
        println!("{said} {}", ui::dim("(in this repository)"));
fce44ae9 Andy McCall ↶ 494 
    }
495 
    Ok(0)
496 
}
83e0677b Andy McCall ↶ 497
a39754d0 Andy McCall ↶ 498 
pub fn export(path: Option<PathBuf>, pem: bool) -> Result<i32> {
83e0677b Andy McCall ↶ 499 
    let repo = open()?;
a39754d0 Andy McCall ↶ 500 
    // The PEM is for checking what this home signs, so it is the signing
501 
    // key's: a delegate's when `author.signer` names one.
502 
    let key = if pem {
503 
        repo.signing_key()
504 
    } else {
505 
        repo.config.author_key
506 
    };
507 
    let Some(key) = key else {
83e0677b Andy McCall ↶ 508 
        anyhow::bail!("no identity configured; run `oxy identity create`");
509 
    };
510 
    let id = repo.identity(&key)?;
a39754d0 Andy McCall ↶ 511 
    let ext = if pem { "pem" } else { "identity" };
512 
    let path = path.unwrap_or_else(|| PathBuf::from(format!("{}.{ext}", key.short(16))));
513 
    if pem {
514 
        std::fs::write(&path, oxy_core::dsse::public_pem(&id))?;
515 
    } else {
516 
        std::fs::write(&path, id.encode())?;
517 
    }
75167672 Andy McCall 518 
    println!(
a39754d0 Andy McCall ↶ 519 
        "{} {} {} <{}> ({}) to {}",
75167672 Andy McCall 520 
        ui::done("Wrote"),
a39754d0 Andy McCall ↶ 521 
        if pem { "the public key of" } else { "identity" },
75167672 Andy McCall 522 
        ui::author(&id.name),
523 
        id.email,
524 
        key.short(12),
525 
        ui::path(path.display())
526 
    );
83e0677b Andy McCall ↶ 527 
    Ok(0)
528 
}
529
28fc23d7 Andy McCall ↶ 530 
pub fn rotate() -> Result<i32> {
531 
    let mut repo = open()?;
532 
    let r = repo.rotate_identity()?;
5cde7882 Andy McCall ↶ 533 
    report_rotation(&repo, &r, "Rotated")?;
28fc23d7 Andy McCall ↶ 534 
    Ok(0)
535 
}
536
537 
pub fn renew(expires: u64) -> Result<i32> {
538 
    let mut repo = open()?;
539 
    let r = repo.renew_identity(expiry_from_days(expires))?;
5cde7882 Andy McCall ↶ 540 
    report_rotation(&repo, &r, "Renewed")?;
28fc23d7 Andy McCall ↶ 541 
    Ok(0)
542 
}
543
544 
pub fn revoke(key: Option<&str>, reason: &str) -> Result<i32> {
545 
    let repo = open()?;
546 
    let key = match key {
547 
        Some(k) => resolve_key(&repo, k)?,
75167672 Andy McCall 548 
        None => repo
549 
            .config
550 
            .author_key
551 
            .ok_or_else(|| anyhow::anyhow!("no identity configured"))?,
28fc23d7 Andy McCall ↶ 552 
    };
553 
    let update = repo.revoke_identity(&key, reason)?;
75167672 Andy McCall 554 
    println!(
555 
        "{} key {}{}",
556 
        ui::done("Revoked"),
557 
        ui::hash(key.short(12)),
558 
        if reason.is_empty() {
559 
            String::new()
560 
        } else {
561 
            format!(": {reason}")
562 
        }
563 
    );
28fc23d7 Andy McCall ↶ 564 
    match update {
565 
        Some(u) => report_update(&u, None)?,
75167672 Andy McCall 566 
        None => println!(
567 
            "  {} {}",
568 
            ui::note(),
569 
            ui::dim("recorded locally; no policy named the key")
570 
        ),
28fc23d7 Andy McCall ↶ 571 
    }
7ba155f2 Andy McCall ↶ 572 
    // A revoked delegate comes off the identity too, so the successor no
573 
    // longer names it (spec §14.2).
574 
    let own = repo.config.author_key;
575 
    let delegated = own.is_some_and(|o| {
576 
        repo.identity(&o)
577 
            .is_ok_and(|id| id.delegate(&key).is_some())
578 
    });
579 
    if delegated {
580 
        let mut repo = repo;
581 
        let r = repo.delegate_remove(&key)?;
5cde7882 Andy McCall ↶ 582 
        report_rotation(&repo, &r, "Undelegated")?;
7ba155f2 Andy McCall ↶ 583 
        return Ok(0);
584 
    }
28fc23d7 Andy McCall ↶ 585 
    if repo.config.author_key == Some(key) {
75167672 Andy McCall 586 
        println!(
587 
            "  {} {}",
588 
            ui::caution(),
589 
            ui::warn("this was your configured key; run oxy identity create or rotate")
590 
        );
28fc23d7 Andy McCall ↶ 591 
    }
592 
    Ok(0)
593 
}
594
614f55e1 Andy McCall ↶ 595 
pub fn delegate_add(identity_files: &[PathBuf], scope: &str, expires: Option<&str>) -> Result<i32> {
28fc23d7 Andy McCall ↶ 596 
    let mut repo = open()?;
614f55e1 Andy McCall ↶ 597 
    let ids = identity_files
598 
        .iter()
599 
        .map(|f| {
600 
            Identity::decode(
601 
                &std::fs::read(f).map_err(|e| anyhow::anyhow!("{}: {e}", f.display()))?,
602 
            )
603 
            .map_err(Into::into)
604 
        })
605 
        .collect::<Result<Vec<_>>>()?;
7ba155f2 Andy McCall ↶ 606 
    let scope = Scope::parse(scope).map_err(|e| anyhow::anyhow!("{e}"))?;
607 
    let expires = expires.map(expiry_from_duration).transpose()?;
614f55e1 Andy McCall ↶ 608 
    let r = repo.delegate_add_many(ids, scope, expires)?;
5cde7882 Andy McCall ↶ 609 
    report_rotation(&repo, &r, "Delegated")?;
614f55e1 Andy McCall ↶ 610 
    println!(
611 
        "  {} {}",
612 
        ui::note(),
613 
        ui::dim("an agent configured with your author.key needs the new key: oxy config --user author.key NEW in its home")
614 
    );
7ba155f2 Andy McCall ↶ 615 
    if !scope.has(Scope::REFS) {
616 
        println!(
617 
            "  {} {}",
618 
            ui::note(),
619 
            ui::dim("it may not move references: a push or tag it attests is refused")
620 
        );
621 
    }
28fc23d7 Andy McCall ↶ 622 
    Ok(0)
623 
}
624
625 
pub fn delegate_remove(key: &str) -> Result<i32> {
626 
    let mut repo = open()?;
627 
    let k = resolve_key(&repo, key)?;
628 
    let r = repo.delegate_remove(&k)?;
5cde7882 Andy McCall ↶ 629 
    report_rotation(&repo, &r, "Undelegated")?;
28fc23d7 Andy McCall ↶ 630 
    Ok(0)
631 
}
632
633 
pub fn delegate_list() -> Result<i32> {
634 
    let repo = open()?;
635 
    let Some(key) = repo.config.author_key else {
636 
        println!("No identity configured; run `oxy identity create`.");
637 
        return Ok(0);
638 
    };
639 
    let id = repo.identity(&key)?;
640 
    if id.delegates.is_empty() {
641 
        println!("{}", ui::dim("No delegates."));
642 
    }
7ba155f2 Andy McCall ↶ 643 
    let now = Hlc::now().wall_ms;
28fc23d7 Andy McCall ↶ 644 
    for d in &id.delegates {
75167672 Andy McCall 645 
        let who = repo
7ba155f2 Andy McCall ↶ 646 
            .identity(&d.key)
75167672 Andy McCall 647 
            .map(|i| format!("{} <{}>", i.name, i.email))
648 
            .unwrap_or_else(|_| "(unknown identity)".into());
7ba155f2 Andy McCall ↶ 649 
        let until = match d.expires {
650 
            Some(e) if now > e => ui::err(format!("expired {}", ui::ago(e))),
651 
            Some(e) => ui::dim(format!("until {}", when(e))),
652 
            None => String::new(),
653 
        };
75167672 Andy McCall 654 
        println!(
7ba155f2 Andy McCall ↶ 655 
            "  {} {}  {}  {} {}",
75167672 Andy McCall 656 
            ui::ok(ui::glyph("🔑", "*")),
7ba155f2 Andy McCall ↶ 657 
            ui::hash(d.key.short(12)),
658 
            ui::author(who),
659 
            ui::dim(d.scope.to_string()),
660 
            until
75167672 Andy McCall 661 
        );
28fc23d7 Andy McCall ↶ 662 
    }
663 
    Ok(0)
664 
}
665
666 
pub fn policy_root_add(identity_file: &Path, out: Option<PathBuf>) -> Result<i32> {
667 
    let repo = open()?;
668 
    let id = Identity::decode(&std::fs::read(identity_file)?)?;
669 
    let key = id.hash();
670 
    let u = repo.policy_root_add(id.clone())?;
75167672 Andy McCall 671 
    println!(
672 
        "{} root {} <{}> ({})",
673 
        ui::done("Added"),
674 
        ui::author(&id.name),
675 
        id.email,
676 
        key.short(12)
677 
    );
28fc23d7 Andy McCall ↶ 678 
    report_update(&u, out)?;
679 
    Ok(0)
680 
}
681
682 
pub fn policy_root_remove(key: &str, out: Option<PathBuf>) -> Result<i32> {
683 
    let repo = open()?;
684 
    let k = resolve_key(&repo, key)?;
685 
    let u = repo.policy_root_remove(&k)?;
686 
    println!("{} root {}", ui::done("Removed"), ui::hash(k.short(12)));
687 
    report_update(&u, out)?;
688 
    Ok(0)
689 
}
690
691 
pub fn policy_threshold(n: u32, out: Option<PathBuf>) -> Result<i32> {
692 
    let repo = open()?;
693 
    let u = repo.policy_set_threshold(n)?;
694 
    println!("{} root threshold to {n}", ui::done("Set"));
695 
    report_update(&u, out)?;
696 
    Ok(0)
697 
}
698
699 
pub fn policy_sign(proposal: &Path, out: Option<PathBuf>) -> Result<i32> {
700 
    let repo = open()?;
701 
    let sp = SignedPolicy::decode(&std::fs::read(proposal)?)?;
702 
    let u = repo.policy_sign(sp)?;
703 
    println!("{} policy serial {}", ui::done("Signed"), u.policy.serial);
704 
    report_update(&u, Some(out.unwrap_or_else(|| proposal.to_path_buf())))?;
705 
    Ok(0)
706 
}
707
83e0677b Andy McCall ↶ 708 
pub fn policy_init() -> Result<i32> {
709 
    let repo = open()?;
710 
    let sp = repo.policy_init()?;
75167672 Andy McCall 711 
    println!(
712 
        "{} policy with root key {}",
713 
        ui::done("Created"),
714 
        sp.policy.roots[0].short(12)
715 
    );
28fc23d7 Andy McCall ↶ 716 
    report_update(&sp, None)?;
83e0677b Andy McCall ↶ 717 
    Ok(0)
718 
}
719
c6aa5bd9 Andy McCall ↶ 720 
pub fn policy_show(as_json: bool) -> Result<i32> {
83e0677b Andy McCall ↶ 721 
    let repo = open()?;
722 
    let Some((r, sp)) = repo.current_policy()? else {
c6aa5bd9 Andy McCall ↶ 723 
        if as_json {
724 
            println!("null");
725 
        } else {
75167672 Andy McCall 726 
            println!(
727 
                "No policy: this repository is unverified. Run `oxy policy init` to create one."
728 
            );
c6aa5bd9 Andy McCall ↶ 729 
        }
83e0677b Andy McCall ↶ 730 
        return Ok(0);
731 
    };
732 
    let p = &sp.policy;
c6aa5bd9 Andy McCall ↶ 733 
    if as_json {
734 
        let ident = |k: &oxy_core::hash::KeyId| {
75167672 Andy McCall 735 
            let (name, email) = p
736 
                .identity(k)
737 
                .map(|i| (i.name.clone(), i.email.clone()))
738 
                .unwrap_or_default();
739 
            json::obj([
740 
                ("key", json::s(&k.to_hex())),
741 
                ("name", json::s(&name)),
742 
                ("email", json::s(&email)),
743 
            ])
c6aa5bd9 Andy McCall ↶ 744 
        };
745 
        println!(
746 
            "{}",
747 
            json::obj([
748 
                ("hash", json::s(&r.to_hex())),
749 
                ("serial", json::n(p.serial)),
750 
                ("expires_ms", json::n(p.expires)),
75167672 Andy McCall 751 
                (
752 
                    "expired",
753 
                    json::b(p.is_expired(oxy_core::objects::Hlc::now().wall_ms))
754 
                ),
c6aa5bd9 Andy McCall ↶ 755 
                ("root_threshold", json::n(p.root_threshold)),
756 
                ("roots", json::arr(p.roots.iter().map(ident))),
757 
                (
758 
                    "rules",
759 
                    json::arr(p.rules.iter().map(|rule| {
760 
                        json::obj([
761 
                            ("pattern", json::s(&rule.pattern)),
762 
                            ("keys", json::arr(rule.keys.iter().map(ident))),
763 
                            ("threshold", json::n(rule.threshold)),
764 
                            ("require", json::s(rule.require.name())),
765 
                            ("allow_conflicts", json::b(rule.allow_conflicts)),
3a6effc7 Andy McCall ↶ 766 
                            (
767 
                                "subjects",
768 
                                json::arr(rule.subjects.iter().map(|g| {
769 
                                    json::obj([
770 
                                        ("subject", json::s(&g.pattern)),
771 
                                        ("issuer", ident(&g.issuer)),
772 
                                        ("scope", json::s(&g.scope.to_string())),
773 
                                    ])
774 
                                })),
775 
                            ),
c6aa5bd9 Andy McCall ↶ 776 
                        ])
777 
                    })),
778 
                ),
779 
                ("revoked", json::arr(p.revoked.iter().map(ident))),
780 
            ])
781 
        );
782 
        return Ok(0);
783 
    }
75167672 Andy McCall 784 
    let name = |k: &oxy_core::hash::KeyId| {
785 
        p.identity(k)
786 
            .map(|i| format!("{} <{}>", i.name, i.email))
787 
            .unwrap_or_else(|| "(unknown identity)".into())
788 
    };
94084087 Andy McCall ↶ 789 
    let expired = p.is_expired(oxy_core::objects::Hlc::now().wall_ms);
75167672 Andy McCall 790 
    println!(
791 
        "{} {}{}serial {}{}expires {}{}",
792 
        ui::section("policy"),
793 
        ui::hash(format!("#{}", r.short(12))),
794 
        ui::sep(),
795 
        p.serial,
796 
        ui::sep(),
797 
        when(p.expires),
798 
        if expired {
799 
            ui::err(format!("  {} EXPIRED", ui::glyph("✖", "x")))
800 
        } else {
801 
            String::new()
802 
        }
803 
    );
804 
    println!(
805 
        "{}",
806 
        ui::section(format!(
807 
            "roots {}",
808 
            ui::dim(format!("(threshold {})", p.root_threshold))
809 
        ))
810 
    );
83e0677b Andy McCall ↶ 811 
    for k in &p.roots {
75167672 Andy McCall 812 
        println!(
813 
            "  {} {}  {}",
814 
            ui::ok(ui::glyph("🔑", "*")),
815 
            ui::hash(k.short(12)),
816 
            ui::author(name(k))
817 
        );
83e0677b Andy McCall ↶ 818 
    }
94084087 Andy McCall ↶ 819 
    println!("{}", ui::section("rules"));
83e0677b Andy McCall ↶ 820 
    for rule in &p.rules {
75167672 Andy McCall 821 
        println!(
822 
            "  {} {:12} {}",
823 
            ui::ok(ui::glyph("▸", ">")),
824 
            ui::bookmark(&rule.pattern),
825 
            ui::dim(format!(
826 
                "threshold {}, require {}, conflicts {}",
827 
                rule.threshold,
828 
                rule.require.name(),
829 
                if rule.allow_conflicts {
830 
                    "allowed"
831 
                } else {
832 
                    "refused"
833 
                }
834 
            ))
835 
        );
83e0677b Andy McCall ↶ 836 
        for k in &rule.keys {
94084087 Andy McCall ↶ 837 
            println!("      {}  {}", ui::hash(k.short(12)), ui::author(name(k)));
83e0677b Andy McCall ↶ 838 
        }
3a6effc7 Andy McCall ↶ 839 
        for g in &rule.subjects {
840 
            println!(
841 
                "      {}  {} {}",
842 
                ui::author(&g.pattern),
843 
                ui::dim(format!(
844 
                    "certified by {} ({}),",
845 
                    name(&g.issuer),
846 
                    g.issuer.short(12)
847 
                )),
848 
                ui::dim(format!("scope {}", g.scope))
849 
            );
850 
        }
83e0677b Andy McCall ↶ 851 
    }
852 
    if !p.revoked.is_empty() {
94084087 Andy McCall ↶ 853 
        println!("{}", ui::section("revoked"));
83e0677b Andy McCall ↶ 854 
        for k in &p.revoked {
75167672 Andy McCall 855 
            println!(
856 
                "  {} {}  {}",
857 
                ui::err(ui::glyph("✖", "x")),
858 
                ui::hash(k.short(12)),
859 
                ui::author(name(k))
860 
            );
83e0677b Andy McCall ↶ 861 
        }
862 
    }
863 
    Ok(0)
864 
}
865
75167672 Andy McCall 866 
pub fn policy_grant(
867 
    identity_file: &Path,
868 
    pattern: Option<&str>,
869 
    out: Option<PathBuf>,
870 
) -> Result<i32> {
83e0677b Andy McCall ↶ 871 
    let repo = open()?;
872 
    let id = Identity::decode(&std::fs::read(identity_file)?)?;
873 
    let key = id.hash();
28fc23d7 Andy McCall ↶ 874 
    let u = repo.policy_grant(id.clone(), pattern)?;
75167672 Andy McCall 875 
    println!(
876 
        "{} {} <{}> ({}) on {}",
877 
        ui::done("Granted"),
878 
        ui::author(&id.name),
879 
        id.email,
880 
        key.short(12),
881 
        ui::bookmark(pattern.unwrap_or("*"))
3a6effc7 Andy McCall ↶ 882 
    );
883 
    report_update(&u, out)?;
884 
    Ok(0)
885 
}
886
887 
pub fn policy_grant_subject(
888 
    subject: &str,
889 
    issuer_file: &Path,
890 
    scope: &str,
891 
    pattern: Option<&str>,
892 
    out: Option<PathBuf>,
893 
) -> Result<i32> {
894 
    let repo = open()?;
895 
    let issuer = Identity::decode(&std::fs::read(issuer_file)?)
896 
        .map_err(|e| anyhow::anyhow!("{}: not an identity file: {e}", issuer_file.display()))?;
897 
    let scope = oxy_core::identity::Scope::parse(scope).map_err(|e| anyhow::anyhow!(e))?;
898 
    let key = issuer.hash();
899 
    let u = repo.policy_grant_subject(subject, issuer.clone(), scope, pattern)?;
900 
    println!(
901 
        "{} {} certified by {} ({}) on {}, scope {}",
902 
        ui::done("Granted"),
903 
        ui::author(subject),
904 
        issuer.name,
905 
        key.short(12),
906 
        ui::bookmark(pattern.unwrap_or("*")),
907 
        scope
75167672 Andy McCall 908 
    );
28fc23d7 Andy McCall ↶ 909 
    report_update(&u, out)?;
83e0677b Andy McCall ↶ 910 
    Ok(0)
911 
}
912
28fc23d7 Andy McCall ↶ 913 
pub fn policy_revoke(key: &str, out: Option<PathBuf>) -> Result<i32> {
83e0677b Andy McCall ↶ 914 
    let repo = open()?;
28fc23d7 Andy McCall ↶ 915 
    if repo.current_policy()?.is_none() {
83e0677b Andy McCall ↶ 916 
        anyhow::bail!("this repository has no policy");
28fc23d7 Andy McCall ↶ 917 
    }
918 
    let full = resolve_key(&repo, key)?;
919 
    let u = repo.policy_revoke(&full)?;
920 
    println!("{} {}", ui::done("Revoked"), ui::hash(full.short(12)));
921 
    report_update(&u, out)?;
83e0677b Andy McCall ↶ 922 
    Ok(0)
923 
}
05e71ed6 Andy McCall ↶ 924
925 
/// `oxy seal [CHANGE..]`: seal the named changes, or every sealable one.
926 
pub fn seal(specs: &[String], as_json: bool) -> Result<i32> {
927 
    let repo = Repo::open(&std::env::current_dir()?)?;
928 
    let hashes: Vec<_> = if specs.is_empty() {
929 
        repo.sealable()?
930 
    } else {
b0e64e81 Andy McCall ↶ 931 
        specs
932 
            .iter()
933 
            .map(|s| repo.resolve_change(s))
934 
            .collect::<std::result::Result<_, _>>()?
05e71ed6 Andy McCall ↶ 935 
    };
936 
    if hashes.is_empty() {
937 
        if as_json {
938 
            println!("{{\"sealed\":[]}}");
939 
        } else {
b0e64e81 Andy McCall ↶ 940 
            println!(
941 
                "{} nothing to seal: every change you can authenticate already is",
942 
                ui::done("Sealed")
943 
            );
05e71ed6 Andy McCall ↶ 944 
        }
945 
        return Ok(0);
946 
    }
947 
    let mut refs = Vec::new();
948 
    for chunk in hashes.chunks(oxy_core::attest::MAX_SEAL_HASHES) {
949 
        refs.push(repo.seal(chunk)?);
950 
    }
951 
    if as_json {
b0e64e81 Andy McCall ↶ 952 
        let list: Vec<String> = hashes
953 
            .iter()
954 
            .map(|h| format!("\"{}\"", h.to_hex()))
955 
            .collect();
05e71ed6 Andy McCall ↶ 956 
        let seals: Vec<String> = refs.iter().map(|r| format!("\"{}\"", r.to_hex())).collect();
b0e64e81 Andy McCall ↶ 957 
        println!(
958 
            "{{\"sealed\":[{}],\"seals\":[{}]}}",
959 
            list.join(","),
960 
            seals.join(",")
961 
        );
05e71ed6 Andy McCall ↶ 962 
    } else {
b0e64e81 Andy McCall ↶ 963 
        println!(
964 
            "{} {} change{} in {} seal{}; they travel with your next push",
965 
            ui::done("Sealed"),
966 
            hashes.len(),
967 
            if hashes.len() == 1 { "" } else { "s" },
968 
            refs.len(),
969 
            if refs.len() == 1 { "" } else { "s" }
970 
        );
05e71ed6 Andy McCall ↶ 971 
        for h in &hashes {
b0e64e81 Andy McCall ↶ 972 
            let title = repo
973 
                .store()
974 
                .get_change(h)
975 
                .map(|c| c.message.lines().next().unwrap_or("").to_string())
976 
                .unwrap_or_default();
05e71ed6 Andy McCall ↶ 977 
            println!("  {} {}", ui::hash(h.short(12)), title);
978 
        }
979 
    }
980 
    Ok(0)
981 
}
7aa2dc93 Andy McCall ↶ 982
983 
/// `oxy identity sign-challenge HEX`: the composite signature over a
984 
/// host's challenge, as hex of the CBOR signature (hub spec §5.3).
985 
pub fn sign_challenge(challenge_hex: &str, as_json: bool) -> Result<i32> {
986 
    let repo = open()?;
987 
    let Some((key, sk)) = repo.secret_key()? else {
988 
        anyhow::bail!("no secret key: run `oxy identity create` first");
989 
    };
119bbf50 Andy McCall ↶ 990 
    let challenge = hex_bytes(challenge_hex.trim())
991 
        .ok_or_else(|| anyhow::anyhow!("the challenge must be hex"))?;
992 
    let sig = sk
993 
        .sign_challenge(&key, &challenge)
994 
        .map_err(|e| anyhow::anyhow!("{e}"))?;
7aa2dc93 Andy McCall ↶ 995 
    let encoded = hex_string(&oxy_core::identity::Signature::encode_list(&[sig]));
996 
    if as_json {
119bbf50 Andy McCall ↶ 997 
        println!(
998 
            "{{\"key\":\"{}\",\"signature\":\"{}\"}}",
999 
            key.to_hex(),
1000 
            encoded
1001 
        );
7aa2dc93 Andy McCall ↶ 1002 
    } else {
1003 
        println!("{encoded}");
1004 
    }
1005 
    Ok(0)
1006 
}
1007
1008 
fn hex_bytes(s: &str) -> Option<Vec<u8>> {
1009 
    if !s.len().is_multiple_of(2) {
1010 
        return None;
1011 
    }
119bbf50 Andy McCall ↶ 1012 
    (0..s.len())
1013 
        .step_by(2)
1014 
        .map(|i| u8::from_str_radix(&s[i..i + 2], 16).ok())
1015 
        .collect()
7aa2dc93 Andy McCall ↶ 1016 
}
1017
1018 
fn hex_string(b: &[u8]) -> String {
1019 
    b.iter().map(|x| format!("{x:02x}")).collect()
8e9c64d1 Andy McCall ↶ 1020 
}
1021
1022 
#[cfg(test)]
1023 
mod tests {
1024 
    #[test]
1025 
    fn secrets_are_never_printed_whole() {
1026 
        assert!(
1027 
            super::secret_key("remote.earth.token")
1028 
                && super::secret_key("auth.secret")
1029 
                && !super::secret_key("remote.earth.url")
1030 
        );
1031 
        assert_eq!(
1032 
            super::mask("oxyhub_6b7dce13409b634d"),
1033 
            "oxyhub_6b7…(13 more)"
1034 
        );
1035 
        assert_eq!(super::mask("short"), "…");
1036 
    }
7aa2dc93 Andy McCall ↶ 1037 
}