Prepare v0.11.11 (#1013)

.github/workflows/test.yml

@@ -75,8 +75,8 @@ jobs:
             rust: stable
           - name: beta
             rust: beta
-          - name: '1.70'
-            rust: '1.70'
+          - name: '1.71'
+            rust: '1.71'
 
     steps:
       - name: Checkout

CHANGELOG.md

@@ -1,3 +1,35 @@
+<a name="v0.11.11"></a>
+### v0.11.11 (2024-12-05)
+
+#### Upgrade notes
+
+* MSRV is now 1.71 ([#1008])
+
+#### Bug fixes
+
+* Fix off-by-one error reaching the minimum number of configured pooled connections ([#1012])
+
+#### Misc
+
+* Fix clippy warnings ([#1009])
+* Fix `-Zminimal-versions` build ([#1007])
+
+[#1007]: https://github.com/lettre/lettre/pull/1007
+[#1008]: https://github.com/lettre/lettre/pull/1008
+[#1009]: https://github.com/lettre/lettre/pull/1009
+[#1012]: https://github.com/lettre/lettre/pull/1012
+
+<a name="v0.11.10"></a>
+### v0.11.10 (2024-10-23)
+
+#### Bug fixes
+
+* Ignore disconnect errors when `pool` feature of SMTP transport is disabled ([#999])
+* Use case insensitive comparisons for matching login challenge requests ([#1000])
+
+[#999]: https://github.com/lettre/lettre/pull/999
+[#1000]: https://github.com/lettre/lettre/pull/1000
+
 <a name="v0.11.9"></a>
 ### v0.11.9 (2024-09-13)
 

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "lettre"
 # remember to update html_root_url and README.md (Cargo.toml example and deps.rs badge)
-version = "0.11.9"
+version = "0.11.11"
 description = "Email client"
 readme = "README.md"
 homepage = "https://lettre.rs"
@@ -11,7 +11,7 @@ authors = ["Alexis Mousset <contact@amousset.me>", "Paolo Barbolini <paolo@paolo
 categories = ["email", "network-programming"]
 keywords = ["email", "smtp", "mailer", "message", "sendmail"]
 edition = "2021"
-rust-version = "1.70"
+rust-version = "1.71"
 
 [badges]
 is-it-maintained-issue-resolution = { repository = "lettre/lettre" }
@@ -44,7 +44,7 @@ url = { version = "2.4", optional = true }
 percent-encoding = { version = "2.3", optional = true }
 
 ## tls
-native-tls = { version = "0.2.5", optional = true } # feature
+native-tls = { version = "0.2.9", optional = true } # feature
 rustls = { version = "0.23.5", default-features = false, features = ["ring", "logging", "std", "tls12"], optional = true }
 rustls-pemfile = { version = "2", optional = true }
 rustls-native-certs = { version = "0.8", optional = true }

README.md

@@ -28,8 +28,8 @@
 </div>
 
 <div align="center">
-  <a href="https://deps.rs/crate/lettre/0.11.9">
-    <img src="https://deps.rs/crate/lettre/0.11.9/status.svg"
+  <a href="https://deps.rs/crate/lettre/0.11.11">
+    <img src="https://deps.rs/crate/lettre/0.11.11/status.svg"
       alt="dependency status" />
   </a>
 </div>
@@ -53,12 +53,12 @@ Lettre does not provide (for now):
 ## Supported Rust Versions
 
 Lettre supports all Rust versions released in the last 6 months. At the time of writing
-the minimum supported Rust version is 1.70, but this could change at any time either from
+the minimum supported Rust version is 1.71, but this could change at any time either from
 one of our dependencies bumping their MSRV or by a new patch release of lettre.
 
 ## Example
 
-This library requires Rust 1.70 or newer.
+This library requires Rust 1.71 or newer.
 To use this library, add the following to your `Cargo.toml`:
 
 ```toml

src/address/serde.rs

@@ -36,7 +36,7 @@ impl<'de> Deserialize<'de> for Address {
             {
                 struct FieldVisitor;
 
-                impl<'de> Visitor<'de> for FieldVisitor {
+                impl Visitor<'_> for FieldVisitor {
                     type Value = Field;
 
                     fn expecting(&self, formatter: &mut Formatter<'_>) -> FmtResult {

src/lib.rs

@@ -6,7 +6,7 @@
 //! * Secure defaults
 //! * Async support
 //!
-//! Lettre requires Rust 1.70 or newer.
+//! Lettre requires Rust 1.71 or newer.
 //!
 //! ## Features
 //!
@@ -109,7 +109,7 @@
 //! [mime 0.3]: https://docs.rs/mime/0.3
 //! [DKIM]: https://datatracker.ietf.org/doc/html/rfc6376
 
-#![doc(html_root_url = "https://docs.rs/crate/lettre/0.11.9")]
+#![doc(html_root_url = "https://docs.rs/crate/lettre/0.11.11")]
 #![doc(html_favicon_url = "https://lettre.rs/favicon.ico")]
 #![doc(html_logo_url = "https://avatars0.githubusercontent.com/u/15113230?v=4")]
 #![forbid(unsafe_code)]

src/message/dkim.rs

@@ -345,7 +345,6 @@ fn dkim_canonicalize_headers<'a>(
 
 /// Sign with Dkim a message by adding Dkim-Signature header created with configuration expressed by
 /// dkim_config
-
 pub fn dkim_sign(message: &mut Message, dkim_config: &DkimConfig) {
     dkim_sign_fixed_time(message, dkim_config, SystemTime::now())
 }

src/message/header/content_type.rs

@@ -119,7 +119,7 @@ mod serde {
         {
             struct ContentTypeVisitor;
 
-            impl<'de> Visitor<'de> for ContentTypeVisitor {
+            impl Visitor<'_> for ContentTypeVisitor {
                 type Value = ContentType;
 
                 // The error message which states what the Visitor expects to

src/message/mailbox/serde.rs

@@ -36,7 +36,7 @@ impl<'de> Deserialize<'de> for Mailbox {
             {
                 struct FieldVisitor;
 
-                impl<'de> Visitor<'de> for FieldVisitor {
+                impl Visitor<'_> for FieldVisitor {
                     type Value = Field;
 
                     fn expecting(&self, formatter: &mut Formatter<'_>) -> FmtResult {

src/message/mailbox/types.rs

@@ -174,7 +174,7 @@ impl Mailboxes {
         self
     }
 
-    /// Adds a new [`Mailbox`] to the list, in a Vec::push style pattern.
+    /// Adds a new [`Mailbox`] to the list, in a `Vec::push` style pattern.
     ///
     /// # Examples
     ///

src/message/mod.rs

@@ -345,7 +345,7 @@ impl MessageBuilder {
                 let hostname = hostname::get()
                     .map_err(|_| ())
                     .and_then(|s| s.into_string().map_err(|_| ()))
-                    .unwrap_or_else(|_| DEFAULT_MESSAGE_ID_DOMAIN.to_owned());
+                    .unwrap_or_else(|()| DEFAULT_MESSAGE_ID_DOMAIN.to_owned());
                 #[cfg(not(feature = "hostname"))]
                 let hostname = DEFAULT_MESSAGE_ID_DOMAIN.to_owned();
 

src/transport/smtp/async_transport.rs

@@ -45,7 +45,7 @@ impl AsyncTransport for AsyncSmtpTransport<Tokio1Executor> {
         let result = conn.send(envelope, email).await?;
 
         #[cfg(not(feature = "pool"))]
-        conn.quit().await?;
+        conn.abort().await;
 
         Ok(result)
     }

src/transport/smtp/authentication.rs

@@ -98,13 +98,17 @@ impl Mechanism {
                 let decoded_challenge = challenge
                     .ok_or_else(|| error::client("This mechanism does expect a challenge"))?;
 
-                if ["User Name", "Username:", "Username", "User Name\0"]
-                    .contains(&decoded_challenge)
-                {
+                if contains_ignore_ascii_case(
+                    decoded_challenge,
+                    ["User Name", "Username:", "Username", "User Name\0"],
+                ) {
                     return Ok(credentials.authentication_identity.clone());
                 }
 
-                if ["Password", "Password:", "Password\0"].contains(&decoded_challenge) {
+                if contains_ignore_ascii_case(
+                    decoded_challenge,
+                    ["Password", "Password:", "Password\0"],
+                ) {
                     return Ok(credentials.secret.clone());
                 }
 
@@ -121,6 +125,15 @@ impl Mechanism {
     }
 }
 
+fn contains_ignore_ascii_case<'a>(
+    haystack: &str,
+    needles: impl IntoIterator<Item = &'a str>,
+) -> bool {
+    needles
+        .into_iter()
+        .any(|item| item.eq_ignore_ascii_case(haystack))
+}
+
 #[cfg(test)]
 mod test {
     use super::{Credentials, Mechanism};
@@ -155,6 +168,23 @@ mod test {
         assert!(mechanism.response(&credentials, None).is_err());
     }
 
+    #[test]
+    fn test_login_case_insensitive() {
+        let mechanism = Mechanism::Login;
+
+        let credentials = Credentials::new("alice".to_owned(), "wonderland".to_owned());
+
+        assert_eq!(
+            mechanism.response(&credentials, Some("username")).unwrap(),
+            "alice"
+        );
+        assert_eq!(
+            mechanism.response(&credentials, Some("password")).unwrap(),
+            "wonderland"
+        );
+        assert!(mechanism.response(&credentials, None).is_err());
+    }
+
     #[test]
     fn test_xoauth2() {
         let mechanism = Mechanism::Xoauth2;

src/transport/smtp/client/net.rs

@@ -119,12 +119,12 @@ impl NetworkStream {
 
                 if let Some(timeout) = timeout {
                     match socket.connect_timeout(&addr.into(), timeout) {
-                        Ok(_) => return Ok(socket.into()),
+                        Ok(()) => return Ok(socket.into()),
                         Err(err) => last_err = Some(err),
                     }
                 } else {
                     match socket.connect(&addr.into()) {
-                        Ok(_) => return Ok(socket.into()),
+                        Ok(()) => return Ok(socket.into()),
                         Err(err) => last_err = Some(err),
                     }
                 }
@@ -369,7 +369,7 @@ impl Write for NetworkStream {
 /// If the local address is set, binds the socket to this address.
 /// If local address is not set, then destination address is required to determine the default
 /// local address on some platforms.
-/// See: https://github.com/hyperium/hyper/blob/faf24c6ad8eee1c3d5ccc9a4d4835717b8e2903f/src/client/connect/http.rs#L560
+/// See: <https://github.com/hyperium/hyper/blob/faf24c6ad8eee1c3d5ccc9a4d4835717b8e2903f/src/client/connect/http.rs#L560>
 fn bind_local_address(
     socket: &socket2::Socket,
     dst_addr: &SocketAddr,

src/transport/smtp/connection_url.rs

@@ -62,7 +62,7 @@ impl TransportBuilder for AsyncSmtpTransportBuilder {
     }
 }
 
-/// Create a new SmtpTransportBuilder or AsyncSmtpTransportBuilder from a connection URL
+/// Create a new `SmtpTransportBuilder` or `AsyncSmtpTransportBuilder` from a connection URL
 pub(crate) fn from_connection_url<B: TransportBuilder>(connection_url: &str) -> Result<B, Error> {
     let connection_url = Url::parse(connection_url).map_err(error::connection)?;
     let tls: Option<String> = connection_url

src/transport/smtp/pool/async_impl.rs

@@ -78,7 +78,7 @@ impl<E: Executor> Pool<E> {
 
                             #[cfg(feature = "tracing")]
                             let mut created = 0;
-                            for _ in count..=(min_idle as usize) {
+                            for _ in count..(min_idle as usize) {
                                 let conn = match pool.client.connection().await {
                                     Ok(conn) => conn,
                                     Err(err) => {

src/transport/smtp/pool/sync_impl.rs

@@ -72,7 +72,7 @@ impl Pool {
 
                         #[cfg(feature = "tracing")]
                         let mut created = 0;
-                        for _ in count..=(min_idle as usize) {
+                        for _ in count..(min_idle as usize) {
                             let conn = match pool.client.connection() {
                                 Ok(conn) => conn,
                                 Err(err) => {

src/transport/smtp/transport.rs

@@ -32,7 +32,7 @@ impl Transport for SmtpTransport {
         let result = conn.send(envelope, email)?;
 
         #[cfg(not(feature = "pool"))]
-        conn.quit()?;
+        conn.abort();
 
         Ok(result)
     }

src/transport/smtp/util.rs

@@ -6,7 +6,7 @@ use std::fmt::{Display, Formatter, Result as FmtResult};
 #[derive(Debug)]
 pub struct XText<'a>(pub &'a str);
 
-impl<'a> Display for XText<'a> {
+impl Display for XText<'_> {
     fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
         let mut rest = self.0;
         while let Some(idx) = rest.find(|c| c < '!' || c == '+' || c == '=') {