290 lines
10 KiB
Rust
290 lines
10 KiB
Rust
//! Checking, signing in and adding an account (MAIL-01, 02).
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use ely_gpui_component::primitives::Severity;
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use ely_mail_engine::{Account, Checked, Error, Kept, Secret, oauth};
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use gpui::{Context, SharedString, Window};
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use crate::{
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adding::{Adding, Step},
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kinds::Kind,
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mail::{Mail, text},
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};
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impl Mail {
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pub fn start_adding(&mut self, window: &mut Window, cx: &mut Context<Self>) {
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if self.adding.is_none() && self.removing.is_none() {
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self.adding = Some(Adding::new(Kind::Gmail, window, cx));
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}
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cx.notify();
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}
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pub fn close_adding(&mut self, cx: &mut Context<Self>) {
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self.adding = None;
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cx.notify();
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}
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/// A field changed: an earlier check no longer holds.
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pub fn edited(&mut self, cx: &mut Context<Self>) {
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let Some(adding) = &mut self.adding else {
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return;
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};
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if !matches!(adding.step, Step::Editing | Step::Saving) {
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adding.stop();
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adding.step = Step::Editing;
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cx.notify();
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}
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}
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/// Starts a request for the open dialog.
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fn ask(&mut self) -> Option<u64> {
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let adding = self.adding.as_mut()?;
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adding.stop();
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self.asked += 1;
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adding.asked = Some(self.asked);
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Some(self.asked)
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}
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/// The open dialog, if it awaits `asked`.
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fn awaiting(&mut self, asked: u64) -> Option<&mut Adding> {
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self.adding
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.as_mut()
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.filter(|adding| adding.asked == Some(asked))
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}
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fn halt(&mut self, words: SharedString, cx: &mut Context<Self>) {
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if let Some(adding) = &mut self.adding {
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adding.stop();
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adding.step = Step::Failed(words);
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}
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cx.notify();
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}
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/// The words when the address is already here.
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fn taken(&self, address: &str, cx: &Context<Self>) -> Option<SharedString> {
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self.accounts()
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.iter()
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.any(|(_, account)| account.address.eq_ignore_ascii_case(address))
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.then(|| text(cx, "mail.add.taken", &[("address", address)]))
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}
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/// Checks a typed-in password with both servers.
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pub fn check(&mut self, cx: &mut Context<Self>) {
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let Some(adding) = &self.adding else { return };
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let ready = adding
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.account(None, cx)
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.and_then(|account| Ok((account, adding.password(cx)?)));
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match ready {
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Ok((account, password)) => {
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self.probe(account, password.clone(), Secret::Password(password), cx)
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}
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Err(words) => self.halt(words, cx),
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}
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}
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/// Logs in with `secret`; `kept` goes to the vault after.
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fn probe(&mut self, account: Account, kept: String, secret: Secret, cx: &mut Context<Self>) {
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if let Some(words) = self.taken(&account.address, cx) {
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return self.halt(words, cx);
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}
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let tls = match &self.tls {
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Ok(tls) => tls.clone(),
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Err(error) => return self.halt(text(cx, "mail.error.tls", &[("error", error)]), cx),
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};
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let Some(asked) = self.ask() else { return };
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if let Some(adding) = &mut self.adding {
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adding.step = Step::Checking;
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}
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log::info!("mail: checking a {:?} account", account.protocol);
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let probe = account.clone();
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let work = async move { probe.check(secret, &tls).await };
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let task = self.on_runtime(cx, work, move |mail, done, cx| {
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mail.checked(asked, account, kept, done, cx)
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});
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if let Some(adding) = &mut self.adding {
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adding.task = Some(task);
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}
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cx.notify();
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}
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fn checked(
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&mut self,
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asked: u64,
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account: Account,
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kept: String,
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done: Result<Checked, String>,
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cx: &mut Context<Self>,
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) {
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let Some(adding) = self.awaiting(asked) else {
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return log::info!("mail: a stale check dropped");
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};
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adding.task = None;
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adding.step = match done {
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Ok(checked) => Step::Checked {
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account,
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kept,
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checked,
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},
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Err(error) => Step::Failed(text(cx, "mail.add.check_failed", &[("error", &error)])),
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};
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}
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/// Opens the provider's page, then checks what it grants.
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pub fn sign_in(&mut self, cx: &mut Context<Self>) {
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let Some(adding) = &self.adding else { return };
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let provider = match adding.auth().provider() {
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Some(Ok(provider)) => provider,
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Some(Err(error)) => return self.halt(unsigned(&error, cx), cx),
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None => return log::error!("mail: sign-in asked of a password account"),
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};
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if let Err(words) = adding.servers(cx) {
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return self.halt(words, cx);
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}
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let hint = adding.fields.address.read(cx).text().trim().to_owned();
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let Some(asked) = self.ask() else { return };
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if let Some(adding) = &mut self.adding {
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adding.step = Step::Signing;
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}
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let work = async move { oauth::SignIn::start(provider, &hint).await };
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let task = self.on_runtime(cx, work, move |mail, started, cx| {
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if mail.awaiting(asked).is_none() {
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return log::info!("mail: a stale sign-in dropped");
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}
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match started.map_err(|error| text(cx, "mail.add.check_failed", &[("error", &error)])) {
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Ok(Ok(sign_in)) => mail.wait_for_browser(asked, sign_in, cx),
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Ok(Err(error)) => mail.halt(unsigned(&error, cx), cx),
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Err(words) => mail.halt(words, cx),
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}
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});
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if let Some(adding) = &mut self.adding {
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adding.task = Some(task);
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}
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cx.notify();
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}
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fn wait_for_browser(&mut self, asked: u64, sign_in: oauth::SignIn, cx: &mut Context<Self>) {
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cx.open_url(sign_in.url());
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log::info!("mail: the browser has the sign-in page");
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let work = async move {
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let tokens = sign_in.finish().await?;
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let email = tokens
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.email
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.clone()
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.ok_or_else(|| Error::SignIn("the provider named no address".into()))?;
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let refresh = tokens
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.refresh
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.clone()
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.ok_or_else(|| Error::SignIn("no refresh token granted".into()))?;
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Ok::<_, Error>((tokens.access, refresh, email))
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};
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let task = self.on_runtime(cx, work, move |mail, done, cx| {
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if mail.awaiting(asked).is_none() {
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return log::info!("mail: a stale sign-in dropped");
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}
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let account = match done {
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Ok(Ok((access, refresh, email))) => mail.adding.as_ref().map(|adding| {
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adding
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.account(Some(&email), cx)
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.map(|account| (account, access, refresh))
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}),
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Ok(Err(error)) => Some(Err(unsigned(&error, cx))),
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Err(error) => Some(Err(text(cx, "mail.add.check_failed", &[("error", &error)]))),
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};
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match account {
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Some(Ok((account, access, refresh))) => {
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mail.probe(account, refresh, Secret::Token(access), cx)
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}
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Some(Err(words)) => mail.halt(words, cx),
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None => {}
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}
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});
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if let Some(adding) = &mut self.adding {
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adding.task = Some(task);
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}
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}
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/// Stores the checked account, then its secret.
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pub fn save(&mut self, cx: &mut Context<Self>) {
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let Some(Adding {
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step:
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Step::Checked {
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account,
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kept,
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checked,
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},
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..
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}) = &self.adding
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else {
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return;
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};
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if !checked.passed() {
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return;
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}
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if let Some(words) = self.taken(&account.address, cx) {
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return self.halt(words, cx);
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}
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let (account, kept) = (account.clone(), kept.clone());
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let Some(asked) = self.ask() else { return };
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if let Some(adding) = &mut self.adding {
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adding.step = Step::Saving;
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}
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let vault = self.vault.clone();
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let work = move |store: &mut ely_mail_engine::Store| {
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let id = match store.add_account(&account) {
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Ok(id) => id,
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Err(Error::Taken(address)) => return Ok(Err(address)),
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Err(error) => return Err(error),
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};
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let held = vault.put(&account.secret_name(), &kept);
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Ok(Ok((id, account, held)))
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};
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self.with_store(cx, work, move |mail, saved, cx| match saved {
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Ok(Err(address)) => {
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let words = text(cx, "mail.add.taken", &[("address", &address)]);
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match mail.awaiting(asked) {
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Some(_) => mail.halt(words, cx),
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None => mail.toast(words, Severity::Danger, cx),
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}
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}
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Ok(Ok((id, account, held))) => {
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log::info!("mail: account {} added", id.0);
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let words = text(cx, "mail.add.added", &[("address", &account.address)]);
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if let Some(Ok(accounts)) = &mut mail.accounts {
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accounts.push((id, account));
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}
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mail.picked = Some(id);
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mail.sync(id, cx);
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if mail.awaiting(asked).is_some() {
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mail.adding = None;
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}
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mail.toast(words, Severity::Success, cx);
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if let Kept::Session(reason) = held {
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mail.toast(
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text(cx, "mail.add.session_only", &[("error", &reason)]),
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Severity::Warning,
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cx,
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);
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}
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}
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Err(error) => {
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let words = text(cx, "mail.add.save_failed", &[("error", &error)]);
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match mail.awaiting(asked) {
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Some(_) => mail.halt(words, cx),
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None => mail.toast(words, Severity::Danger, cx),
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}
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}
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});
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}
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}
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/// Sign-in failures, with this build's missing client named.
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fn unsigned(error: &Error, cx: &gpui::App) -> SharedString {
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match error {
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Error::Unavailable(name) => text(cx, &format!("mail.add.unavailable.{name}"), &[]),
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other => text(
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cx,
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"mail.add.sign_in_failed",
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&[("error", &other.to_string())],
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),
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}
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}
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