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HostServ: vhost request/approval flow

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REQUEST <host> records a pending vhost (typed Option<PendingVhost> on the
account, VhostRequested/VhostRequestCleared events); operators review with
WAITING and either ACTIVATE (assign + apply to online sessions) or REJECT
(clear it). Host validation and the operator gate are shared with SET.
This commit is contained in:
Jean Chevronnet 2026-07-13 21:30:58 +00:00
parent 1227e26b95
commit 1edf250952
No known key found for this signature in database
8 changed files with 217 additions and 4 deletions
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76
src/engine/db.rs
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@ -76,6 +76,16 @@ pub struct Account {
// Assigned vhost (HostServ), applied to the displayed host on identify.
#[serde(default)]
pub vhost: Option<Vhost>,
// A vhost the user has requested, pending operator approval.
#[serde(default)]
pub vhost_request: Option<PendingVhost>,
}
// A requested vhost awaiting approval.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct PendingVhost {
pub host: String,
pub ts: u64,
}
// A HostServ virtual host: the displayed host, who assigned it, and when.
@ -108,6 +118,8 @@ pub enum Event {
AjoinRemoved { account: String, channel: String },
VhostSet { account: String, host: String, setter: String, ts: u64 },
VhostDeleted { account: String },
VhostRequested { account: String, host: String, ts: u64 },
VhostRequestCleared { account: String },
AccountSuspended { account: String, by: String, reason: String, ts: u64, expires: Option<u64> },
AccountUnsuspended { account: String },
MemoSent { account: String, from: String, text: String, ts: u64 },
@ -163,6 +175,8 @@ impl Event {
| Event::AjoinRemoved { .. }
| Event::VhostSet { .. }
| Event::VhostDeleted { .. }
| Event::VhostRequested { .. }
| Event::VhostRequestCleared { .. }
| Event::AccountSuspended { .. }
| Event::AccountUnsuspended { .. }
| Event::MemoSent { .. }
@ -986,6 +1000,7 @@ impl Db {
memos: Vec::new(),
greet: String::new(),
vhost: None,
vhost_request: None,
};
self.log.append(Event::AccountRegistered(account.clone())).map_err(|_| RegError::Internal)?;
self.accounts.insert(key(name), account);
@ -1185,6 +1200,44 @@ impl Db {
self.accounts.get(&key(account)).and_then(|a| a.vhost.as_ref())
}
/// Record a pending vhost request for `account` (awaiting approval).
pub fn request_vhost(&mut self, account: &str, host: &str) -> Result<(), RegError> {
let k = key(account);
if !self.accounts.contains_key(&k) {
return Err(RegError::Internal);
}
let ts = now();
self.log.append(Event::VhostRequested { account: account.to_string(), host: host.to_string(), ts }).map_err(|_| RegError::Internal)?;
self.accounts.get_mut(&k).unwrap().vhost_request = Some(PendingVhost { host: host.to_string(), ts });
Ok(())
}
/// Clear a pending vhost request (on approval or rejection). Returns the
/// requested host, if there was one.
pub fn take_vhost_request(&mut self, account: &str) -> Result<Option<String>, RegError> {
let k = key(account);
let host = match self.accounts.get(&k) {
Some(a) => a.vhost_request.as_ref().map(|r| r.host.clone()),
None => return Err(RegError::Internal),
};
if host.is_some() {
self.log.append(Event::VhostRequestCleared { account: account.to_string() }).map_err(|_| RegError::Internal)?;
self.accounts.get_mut(&k).unwrap().vhost_request = None;
}
Ok(host)
}
/// Every account with a pending vhost request, as (account, host).
pub fn vhost_requests(&self) -> Vec<(String, String)> {
let mut out: Vec<(String, String)> = self
.accounts
.values()
.filter_map(|a| a.vhost_request.as_ref().map(|r| (a.name.clone(), r.host.clone())))
.collect();
out.sort_by(|a, b| a.0.cmp(&b.0));
out
}
/// Every account that has a vhost, as (account, host, setter).
pub fn vhosts(&self) -> Vec<(String, String, String)> {
let mut out: Vec<(String, String, String)> = self
@ -2052,6 +2105,16 @@ fn apply(accounts: &mut HashMap<String, Account>, channels: &mut HashMap<String,
a.vhost = None;
}
}
Event::VhostRequested { account, host, ts } => {
if let Some(a) = accounts.get_mut(&key(&account)) {
a.vhost_request = Some(PendingVhost { host, ts });
}
}
Event::VhostRequestCleared { account } => {
if let Some(a) = accounts.get_mut(&key(&account)) {
a.vhost_request = None;
}
}
Event::AccountSuspended { account, by, reason, ts, expires } => {
if let Some(a) = accounts.get_mut(&key(&account)) {
a.suspension = Some(Suspension { by, reason, ts, expires });
@ -2330,6 +2393,15 @@ impl Store for Db {
fn vhosts(&self) -> Vec<VhostView> {
Db::vhosts(self).into_iter().map(|(account, host, setter)| VhostView { account, host, setter }).collect()
}
fn request_vhost(&mut self, account: &str, host: &str) -> Result<(), RegError> {
Db::request_vhost(self, account, host)
}
fn take_vhost_request(&mut self, account: &str) -> Result<Option<String>, RegError> {
Db::take_vhost_request(self, account)
}
fn vhost_requests(&self) -> Vec<(String, String)> {
Db::vhost_requests(self)
}
fn group_nick(&mut self, nick: &str, account: &str) -> Result<(), RegError> {
Db::group_nick(self, nick, account)
}
@ -2569,7 +2641,7 @@ mod tests {
fn account_conflict_resolves_deterministically() {
let alice = |hash: &str, ts: u64, home: &str| Account {
name: "alice".into(), password_hash: hash.into(), email: None,
ts, home: home.into(), scram256: None, scram512: None, certfps: vec![], verified: true, ajoin: vec![], suspension: None, memos: vec![], greet: String::new(), vhost: None,
ts, home: home.into(), scram256: None, scram512: None, certfps: vec![], verified: true, ajoin: vec![], suspension: None, memos: vec![], greet: String::new(), vhost: None, vhost_request: None,
};
let converge = |first: &Account, second: &Account| {
let (mut acc, mut ch, mut gr, mut bo) = (HashMap::new(), HashMap::new(), HashMap::new(), HashMap::new());
@ -2845,7 +2917,7 @@ mod tests {
db.register("alice", "pw", None).unwrap();
let bob = Account {
name: "bob".into(), password_hash: "x".into(), email: None,
ts: 0, home: "peer".into(), scram256: None, scram512: None, certfps: vec![], verified: true, ajoin: vec![], suspension: None, memos: vec![], greet: String::new(), vhost: None,
ts: 0, home: "peer".into(), scram256: None, scram512: None, certfps: vec![], verified: true, ajoin: vec![], suspension: None, memos: vec![], greet: String::new(), vhost: None, vhost_request: None,
};
let entry = LogEntry { origin: "peer".into(), seq: 0, lamport: 1, event: Event::AccountRegistered(bob) };
db.ingest(entry).unwrap();