aerogramme/src/mail/mod.rs

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3.4 KiB
Rust
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pub mod mail_ident;
mod uidindex;
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use std::convert::TryFrom;
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use anyhow::Result;
use k2v_client::K2vClient;
use rusoto_s3::S3Client;
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use crate::bayou::Bayou;
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use crate::cryptoblob::Key;
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use crate::login::Credentials;
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use crate::mail::mail_ident::*;
use crate::mail::uidindex::*;
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pub struct Summary<'a> {
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pub validity: ImapUidvalidity,
pub next: ImapUid,
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pub exists: u32,
pub recent: u32,
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pub flags: FlagIter<'a>,
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pub unseen: Option<&'a ImapUid>,
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}
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impl std::fmt::Display for Summary<'_> {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(
f,
"uidvalidity: {}, uidnext: {}, exists: {}",
self.validity, self.next, self.exists
)
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}
}
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// Non standard but common flags:
// https://www.iana.org/assignments/imap-jmap-keywords/imap-jmap-keywords.xhtml
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pub struct Mailbox {
bucket: String,
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pub name: String,
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key: Key,
k2v: K2vClient,
s3: S3Client,
uid_index: Bayou<UidIndex>,
}
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// IDEA: We store a specific flag named $unseen.
// If it is not present, we add the virtual flag \Seen
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impl Mailbox {
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pub fn new(creds: &Credentials, name: String) -> Result<Self> {
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let uid_index = Bayou::<UidIndex>::new(creds, name.clone())?;
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Ok(Self {
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bucket: creds.bucket().to_string(),
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name,
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key: creds.keys.master.clone(),
k2v: creds.k2v_client()?,
s3: creds.s3_client()?,
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uid_index,
})
}
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pub async fn summary(&mut self) -> Result<Summary> {
self.uid_index.sync().await?;
let state = self.uid_index.state();
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let unseen = state.idx_by_flag.get(&"$unseen".to_string()).and_then(|os| os.get_min());
let recent = state.idx_by_flag.get(&"\\Recent".to_string()).map(|os| os.len()).unwrap_or(0);
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return Ok(Summary {
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validity: state.uidvalidity,
next: state.uidnext,
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exists: u32::try_from(state.idx_by_uid.len())?,
recent: u32::try_from(recent)?,
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flags: state.idx_by_flag.flags(),
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unseen,
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});
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}
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pub async fn test(&mut self) -> Result<()> {
self.uid_index.sync().await?;
dump(&self.uid_index);
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let add_mail_op = self
.uid_index
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.state()
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.op_mail_add(gen_ident(), vec!["\\Unseen".into()]);
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self.uid_index.push(add_mail_op).await?;
dump(&self.uid_index);
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if self.uid_index.state().idx_by_uid.len() > 6 {
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for i in 0..2 {
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let (_, ident) = self
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.uid_index
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.state()
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.idx_by_uid
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.iter()
.skip(3 + i)
.next()
.unwrap();
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let del_mail_op = self.uid_index.state().op_mail_del(*ident);
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self.uid_index.push(del_mail_op).await?;
dump(&self.uid_index);
}
}
Ok(())
}
}
fn dump(uid_index: &Bayou<UidIndex>) {
let s = uid_index.state();
println!("---- MAILBOX STATE ----");
println!("UIDVALIDITY {}", s.uidvalidity);
println!("UIDNEXT {}", s.uidnext);
println!("INTERNALSEQ {}", s.internalseq);
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for (uid, ident) in s.idx_by_uid.iter() {
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println!(
"{} {} {}",
uid,
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hex::encode(ident.0),
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s.table.get(ident).cloned().unwrap().1.join(", ")
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);
}
println!("");
}