From: Lukas Wagner <l.wagner@proxmox.com>
To: pve-devel@lists.proxmox.com
Subject: [pve-devel] [PATCH proxmox 6/6] notify: sendmail: code style improvements
Date: Mon, 24 Jun 2024 14:31:34 +0200 [thread overview]
Message-ID: <20240624123134.321417-6-l.wagner@proxmox.com> (raw)
In-Reply-To: <20240624123134.321417-1-l.wagner@proxmox.com>
No functional changes intended.
Signed-off-by: Lukas Wagner <l.wagner@proxmox.com>
---
proxmox-notify/src/endpoints/sendmail.rs | 57 +++++++++++-------------
1 file changed, 25 insertions(+), 32 deletions(-)
diff --git a/proxmox-notify/src/endpoints/sendmail.rs b/proxmox-notify/src/endpoints/sendmail.rs
index c28d9211..42b2d3a8 100644
--- a/proxmox-notify/src/endpoints/sendmail.rs
+++ b/proxmox-notify/src/endpoints/sendmail.rs
@@ -185,7 +185,7 @@ fn sendmail(
let now = proxmox_time::epoch_i64();
let body = format_mail(mailto, mailfrom, author, subject, text, html, now)?;
- let mut sendmail_process = match Command::new("/usr/sbin/sendmail")
+ let mut sendmail_process = Command::new("/usr/sbin/sendmail")
.arg("-B")
.arg("8BITMIME")
.arg("-f")
@@ -194,32 +194,18 @@ fn sendmail(
.args(mailto)
.stdin(Stdio::piped())
.spawn()
- {
- Err(err) => {
- return Err(Error::Generic(format!(
- "could not spawn sendmail process: {err}"
- )))
- }
- Ok(process) => process,
- };
+ .map_err(|err| Error::Generic(format!("could not spawn sendmail process: {err}")))?;
- if let Err(err) = sendmail_process
+ sendmail_process
.stdin
.take()
- .unwrap()
+ .expect("stdin already taken")
.write_all(body.as_bytes())
- {
- return Err(Error::Generic(format!(
- "couldn't write to sendmail stdin: {err}"
- )));
- };
-
- // wait() closes stdin of the child
- if let Err(err) = sendmail_process.wait() {
- return Err(Error::Generic(format!(
- "sendmail did not exit successfully: {err}"
- )));
- }
+ .map_err(|err| Error::Generic(format!("couldn't write to sendmail stdin: {err}")))?;
+
+ sendmail_process
+ .wait()
+ .map_err(|err| Error::Generic(format!("sendmail did not exit successfully: {err}")))?;
Ok(())
}
@@ -236,39 +222,46 @@ fn format_mail(
use std::fmt::Write as _;
let recipients = mailto.join(",");
+ let boundary = format!("----_=_NextPart_001_{timestamp}");
+
let mut body = String::new();
- let boundary = format!("----_=_NextPart_001_{}", timestamp);
+ // Format email header
body.push_str("Content-Type: multipart/alternative;\n");
- let _ = writeln!(body, "\tboundary=\"{}\"", boundary);
+ let _ = writeln!(body, "\tboundary=\"{boundary}\"");
body.push_str("MIME-Version: 1.0\n");
if !subject.is_ascii() {
let _ = writeln!(body, "Subject: =?utf-8?B?{}?=", base64::encode(subject));
} else {
- let _ = writeln!(body, "Subject: {}", subject);
+ let _ = writeln!(body, "Subject: {subject}");
}
- let _ = writeln!(body, "From: {} <{}>", author, mailfrom);
- let _ = writeln!(body, "To: {}", &recipients);
+ let _ = writeln!(body, "From: {author} <{mailfrom}>");
+ let _ = writeln!(body, "To: {recipients}");
let rfc2822_date = proxmox_time::epoch_to_rfc2822(timestamp)
.map_err(|err| Error::Generic(format!("failed to format time: {err}")))?;
- let _ = writeln!(body, "Date: {}", rfc2822_date);
+ let _ = writeln!(body, "Date: {rfc2822_date}");
body.push_str("Auto-Submitted: auto-generated;\n");
body.push('\n');
+
+ // Format email body
body.push_str("This is a multi-part message in MIME format.\n");
- let _ = write!(body, "\n--{}\n", boundary);
+ let _ = write!(body, "\n--{boundary}\n");
+
body.push_str("Content-Type: text/plain;\n");
body.push_str("\tcharset=\"UTF-8\"\n");
body.push_str("Content-Transfer-Encoding: 8bit\n");
body.push('\n');
body.push_str(text);
- let _ = write!(body, "\n--{}\n", boundary);
+ let _ = write!(body, "\n--{boundary}\n");
+
body.push_str("Content-Type: text/html;\n");
body.push_str("\tcharset=\"UTF-8\"\n");
body.push_str("Content-Transfer-Encoding: 8bit\n");
body.push('\n');
body.push_str(html);
- let _ = write!(body, "\n--{}--", boundary);
+ let _ = write!(body, "\n--{boundary}--");
+
Ok(body)
}
--
2.39.2
_______________________________________________
pve-devel mailing list
pve-devel@lists.proxmox.com
https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
next prev parent reply other threads:[~2024-06-24 12:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-24 12:31 [pve-devel] [PATCH proxmox 1/6] notify: copy sendmail/forward fn's from proxmox_sys Lukas Wagner
2024-06-24 12:31 ` [pve-devel] [PATCH proxmox 2/6] sys: mark email fn's as deprecated Lukas Wagner
2024-06-24 12:31 ` [pve-devel] [PATCH proxmox 3/6] notify: sendmail: make mailfrom and author non-optional Lukas Wagner
2024-06-24 12:31 ` [pve-devel] [PATCH proxmox 4/6] notify: move mail formatting to separate function Lukas Wagner
2024-06-24 12:31 ` [pve-devel] [PATCH proxmox 5/6] notify: sendmail: always send multi-part message Lukas Wagner
2024-06-24 12:31 ` Lukas Wagner [this message]
2024-07-12 8:56 ` [pve-devel] partially-applied: [PATCH proxmox 1/6] notify: copy sendmail/forward fn's from proxmox_sys Wolfgang Bumiller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20240624123134.321417-6-l.wagner@proxmox.com \
--to=l.wagner@proxmox.com \
--cc=pve-devel@lists.proxmox.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox