1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
use anyhow::{Error, Result};
use boitalettres::proto::{res::body::Data as Body, Request, Response};
use imap_codec::types::command::CommandBody;
use imap_codec::types::core::Atom;
use imap_codec::types::flag::Flag;
use imap_codec::types::mailbox::{ListMailbox, Mailbox as MailboxCodec};
use imap_codec::types::response::{Code, Data, Status};
use crate::imap::command::anonymous;
use crate::imap::flow;
use crate::mail::mailbox::Mailbox;
use crate::mail::user::User;
const DEFAULT_FLAGS: [Flag; 5] = [
Flag::Seen,
Flag::Answered,
Flag::Flagged,
Flag::Deleted,
Flag::Draft,
];
pub struct AuthenticatedContext<'a> {
pub req: &'a Request,
pub user: &'a User,
}
pub async fn dispatch<'a>(ctx: AuthenticatedContext<'a>) -> Result<(Response, flow::Transition)> {
match &ctx.req.command.body {
CommandBody::Lsub {
reference,
mailbox_wildcard,
} => ctx.lsub(reference, mailbox_wildcard).await,
CommandBody::List {
reference,
mailbox_wildcard,
} => ctx.list(reference, mailbox_wildcard).await,
CommandBody::Select { mailbox } => ctx.select(mailbox).await,
_ => {
let ctx = anonymous::AnonymousContext {
req: ctx.req,
login_provider: None,
};
anonymous::dispatch(ctx).await
}
}
}
// --- PRIVATE ---
impl<'a> AuthenticatedContext<'a> {
async fn lsub(
self,
_reference: &MailboxCodec,
_mailbox_wildcard: &ListMailbox,
) -> Result<(Response, flow::Transition)> {
Ok((Response::bad("Not implemented")?, flow::Transition::None))
}
async fn list(
self,
_reference: &MailboxCodec,
_mailbox_wildcard: &ListMailbox,
) -> Result<(Response, flow::Transition)> {
Ok((Response::bad("Not implemented")?, flow::Transition::None))
}
/*
* TRACE BEGIN ---
Example: C: A142 SELECT INBOX
S: * 172 EXISTS
S: * 1 RECENT
S: * OK [UNSEEN 12] Message 12 is first unseen
S: * OK [UIDVALIDITY 3857529045] UIDs valid
S: * OK [UIDNEXT 4392] Predicted next UID
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS (\Deleted \Seen \*)] Limited
S: A142 OK [READ-WRITE] SELECT completed
--- a mailbox with no unseen message -> no unseen entry
20 select "INBOX.achats"
* FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded JUNK $label1)
* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded JUNK $label1 \*)] Flags permitted.
* 88 EXISTS
* 0 RECENT
* OK [UIDVALIDITY 1347986788] UIDs valid
* OK [UIDNEXT 91] Predicted next UID
* OK [HIGHESTMODSEQ 72] Highest
20 OK [READ-WRITE] Select completed (0.001 + 0.000 secs).
* TRACE END ---
*/
async fn select(self, mailbox: &MailboxCodec) -> Result<(Response, flow::Transition)> {
let name = String::try_from(mailbox.clone())?;
let mut mb = self.user.open_mailbox(name.clone())?;
tracing::info!(username=%self.user.username, mailbox=%name, "mailbox.selected");
let sum = mb.summary().await?;
tracing::trace!(summary=%sum, "mailbox.summary");
let mut res = Vec::<Body>::new();
res.push(Body::Data(Data::Exists(sum.exists)));
res.push(Body::Data(Data::Recent(sum.recent)));
let mut flags: Vec<Flag> = sum.flags.map(|f| match f.chars().next() {
Some('\\') => None,
Some('$') if f == "$unseen" => None,
Some(_) => match Atom::try_from(f.clone()) {
Err(_) => {
tracing::error!(username=%self.user.username, mailbox=%name, flag=%f, "Unable to encode flag as IMAP atom");
None
},
Ok(a) => Some(Flag::Keyword(a)),
},
None => None,
}).flatten().collect();
flags.extend_from_slice(&DEFAULT_FLAGS);
res.push(Body::Data(Data::Flags(flags.clone())));
let uid_validity = Status::ok(None, Some(Code::UidValidity(sum.validity)), "UIDs valid")
.map_err(Error::msg)?;
res.push(Body::Status(uid_validity));
let next_uid = Status::ok(None, Some(Code::UidNext(sum.next)), "Predict next UID")
.map_err(Error::msg)?;
res.push(Body::Status(next_uid));
if let Some(unseen) = sum.unseen {
let status_unseen =
Status::ok(None, Some(Code::Unseen(unseen.clone())), "First unseen UID")
.map_err(Error::msg)?;
res.push(Body::Status(status_unseen));
}
flags.push(Flag::Permanent);
let permanent_flags =
Status::ok(None, Some(Code::PermanentFlags(flags)), "Flags permitted")
.map_err(Error::msg)?;
res.push(Body::Status(permanent_flags));
Ok((
Response::ok("Select completed")?
.with_extra_code(Code::ReadWrite)
.with_body(res),
flow::Transition::Select(mb),
))
}
}
|
