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
156
157
158
159
160
|
use std::io::Write;
use std::path::PathBuf;
use std::sync::Arc;
use anyhow::Result;
use futures::try_join;
use log::*;
use tokio::sync::watch;
use aero_user::config::*;
use aero_user::login::ArcLoginProvider;
use aero_user::login::{demo_provider::*, ldap_provider::*, static_provider::*};
use aero_proto::sasl as auth;
use aero_proto::dav;
use aero_proto::imap;
use aero_proto::lmtp::*;
pub struct Server {
lmtp_server: Option<Arc<LmtpServer>>,
imap_unsecure_server: Option<imap::Server>,
imap_server: Option<imap::Server>,
auth_server: Option<auth::AuthServer>,
dav_unsecure_server: Option<dav::Server>,
dav_server: Option<dav::Server>,
pid_file: Option<PathBuf>,
}
impl Server {
pub async fn from_companion_config(config: CompanionConfig) -> Result<Self> {
tracing::info!("Init as companion");
let login = Arc::new(StaticLoginProvider::new(config.users).await?);
let lmtp_server = None;
let imap_unsecure_server = Some(imap::new_unsecure(config.imap, login.clone()));
Ok(Self {
lmtp_server,
imap_unsecure_server,
imap_server: None,
auth_server: None,
dav_unsecure_server: None,
dav_server: None,
pid_file: config.pid,
})
}
pub async fn from_provider_config(config: ProviderConfig) -> Result<Self> {
tracing::info!("Init as provider");
let login: ArcLoginProvider = match config.users {
UserManagement::Demo => Arc::new(DemoLoginProvider::new()),
UserManagement::Static(x) => Arc::new(StaticLoginProvider::new(x).await?),
UserManagement::Ldap(x) => Arc::new(LdapLoginProvider::new(x)?),
};
let lmtp_server = config.lmtp.map(|lmtp| LmtpServer::new(lmtp, login.clone()));
let imap_unsecure_server = config
.imap_unsecure
.map(|imap| imap::new_unsecure(imap, login.clone()));
let imap_server = config
.imap
.map(|imap| imap::new(imap, login.clone()))
.transpose()?;
let auth_server = config
.auth
.map(|auth| auth::AuthServer::new(auth, login.clone()));
let dav_unsecure_server = config
.dav_unsecure
.map(|dav_config| dav::new_unsecure(dav_config, login.clone()));
let dav_server = config
.dav
.map(|dav_config| dav::new(dav_config, login.clone()))
.transpose()?;
Ok(Self {
lmtp_server,
imap_unsecure_server,
imap_server,
dav_unsecure_server,
dav_server,
auth_server,
pid_file: config.pid,
})
}
pub async fn run(self) -> Result<()> {
let pid = std::process::id();
tracing::info!(pid = pid, "Starting main loops");
// write the pid file
if let Some(pid_file) = self.pid_file {
let mut file = std::fs::OpenOptions::new()
.write(true)
.create(true)
.truncate(true)
.open(pid_file)?;
file.write_all(pid.to_string().as_bytes())?;
drop(file);
}
let (exit_signal, provoke_exit) = watch_ctrl_c();
let _exit_on_err = move |err: anyhow::Error| {
error!("Error: {}", err);
let _ = provoke_exit.send(true);
};
try_join!(
async {
match self.lmtp_server.as_ref() {
None => Ok(()),
Some(s) => s.run(exit_signal.clone()).await,
}
},
async {
match self.imap_unsecure_server {
None => Ok(()),
Some(s) => s.run(exit_signal.clone()).await,
}
},
async {
match self.imap_server {
None => Ok(()),
Some(s) => s.run(exit_signal.clone()).await,
}
},
async {
match self.auth_server {
None => Ok(()),
Some(a) => a.run(exit_signal.clone()).await,
}
},
async {
match self.dav_unsecure_server {
None => Ok(()),
Some(s) => s.run(exit_signal.clone()).await,
}
},
async {
match self.dav_server {
None => Ok(()),
Some(s) => s.run(exit_signal.clone()).await,
}
}
)?;
Ok(())
}
}
pub fn watch_ctrl_c() -> (watch::Receiver<bool>, Arc<watch::Sender<bool>>) {
let (send_cancel, watch_cancel) = watch::channel(false);
let send_cancel = Arc::new(send_cancel);
let send_cancel_2 = send_cancel.clone();
tokio::spawn(async move {
tokio::signal::ctrl_c()
.await
.expect("failed to install CTRL+C signal handler");
info!("Received CTRL+C, shutting down.");
send_cancel.send(true).unwrap();
});
(watch_cancel, send_cancel_2)
}
|
