Prepare v0.11.18 (#1102)

CHANGELOG.md

@@ -1,3 +1,17 @@
+<a name="v0.11.18"></a>
+### v0.11.18 (2025-07-28)
+
+#### Features
+
+* Allow inline attachments to be named ([#1101])
+
+#### Misc
+
+* Upgrade `socket2` to v0.6 ([#1098])
+
+[#1098]: https://github.com/lettre/lettre/pull/1098
+[#1101]: https://github.com/lettre/lettre/pull/1101
+
 <a name="v0.11.17"></a>
 ### v0.11.17 (2025-06-06)
 

Cargo.lock

@@ -1325,7 +1325,7 @@ checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
 
 [[package]]
 name = "lettre"
-version = "0.11.17"
+version = "0.11.18"
 dependencies = [
  "async-std",
  "async-trait",
@@ -1358,7 +1358,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sha2",
- "socket2",
+ "socket2 0.6.0",
  "tokio",
  "tokio-boring",
  "tokio-native-tls",
@@ -1374,9 +1374,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.171"
+version = "0.2.174"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c19937216e9d3aa9956d9bb8dfc0b0c8beb6058fc4f7a4dc4d850edf86a237d6"
+checksum = "1171693293099992e19cddea4e8b849964e9846f4acee11b3948bcc337be8776"
 
 [[package]]
 name = "libloading"
@@ -2256,6 +2256,16 @@ dependencies = [
  "windows-sys 0.52.0",
 ]
 
+[[package]]
+name = "socket2"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "233504af464074f9d066d7b5416c5f9b894a5862a6506e306f7b816cdd6f1807"
+dependencies = [
+ "libc",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "spin"
 version = "0.9.8"
@@ -2405,7 +2415,7 @@ dependencies = [
  "mio",
  "pin-project-lite",
  "signal-hook-registry",
- "socket2",
+ "socket2 0.5.9",
  "tokio-macros",
  "windows-sys 0.52.0",
 ]

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 = "0.11.17"
+version = "0.11.18"
 description = "Email client"
 readme = "README.md"
 homepage = "https://lettre.rs"
@@ -42,7 +42,7 @@ serde_json = { version = "1", optional = true }
 # smtp-transport
 nom = { version = "8", optional = true }
 hostname = { version = "0.4", optional = true } # feature
-socket2 = { version = "0.5.1", optional = true }
+socket2 = { version = "0.6", optional = true }
 url = { version = "2.4", optional = true }
 percent-encoding = { version = "2.3", optional = true }
 

README.md

@@ -28,8 +28,8 @@
 </div>
 
 <div align="center">
-  <a href="https://deps.rs/crate/lettre/0.11.17">
-    <img src="https://deps.rs/crate/lettre/0.11.17/status.svg"
+  <a href="https://deps.rs/crate/lettre/0.11.18">
+    <img src="https://deps.rs/crate/lettre/0.11.18/status.svg"
       alt="dependency status" />
   </a>
 </div>

src/lib.rs

@@ -162,7 +162,7 @@
 //! [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/0.11.17")]
+#![doc(html_root_url = "https://docs.rs/crate/lettre/0.11.18")]
 #![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/attachment.rs

@@ -16,7 +16,10 @@ enum Disposition {
     /// File name
     Attached(String),
     /// Content id
-    Inline(String),
+    Inline {
+        content_id: String,
+        name: Option<String>,
+    },
 }
 
 impl Attachment {
@@ -81,7 +84,50 @@ impl Attachment {
     /// ```
     pub fn new_inline(content_id: String) -> Self {
         Attachment {
-            disposition: Disposition::Inline(content_id),
+            disposition: Disposition::Inline {
+                content_id,
+                name: None,
+            },
+        }
+    }
+
+    /// Create a new inline attachment giving it a name
+    ///
+    /// This attachment should be displayed inline into the message
+    /// body:
+    ///
+    /// ```html
+    /// <img src="cid:123">
+    /// ```
+    ///
+    ///
+    /// ```rust
+    /// # use std::error::Error;
+    /// use std::fs;
+    ///
+    /// use lettre::message::{header::ContentType, Attachment};
+    ///
+    /// # fn main() -> Result<(), Box<dyn Error>> {
+    /// let content_id = String::from("123");
+    /// let file_name = String::from("image.jpg");
+    /// # if false {
+    /// let filebody = fs::read(&file_name)?;
+    /// # }
+    /// # let filebody = fs::read("docs/lettre.png")?;
+    /// let content_type = ContentType::parse("image/jpeg").unwrap();
+    /// let attachment =
+    ///     Attachment::new_inline_with_name(content_id, file_name).body(filebody, content_type);
+    ///
+    /// // The image `attachment` will display inline into the email.
+    /// # Ok(())
+    /// # }
+    /// ```
+    pub fn new_inline_with_name(content_id: String, name: String) -> Self {
+        Attachment {
+            disposition: Disposition::Inline {
+                content_id,
+                name: Some(name),
+            },
         }
     }
 
@@ -95,9 +141,18 @@ impl Attachment {
             Disposition::Attached(filename) => {
                 builder.header(header::ContentDisposition::attachment(&filename))
             }
-            Disposition::Inline(content_id) => builder
+            Disposition::Inline {
+                content_id,
+                name: None,
+            } => builder
                 .header(header::ContentId::from(format!("<{content_id}>")))
                 .header(header::ContentDisposition::inline()),
+            Disposition::Inline {
+                content_id,
+                name: Some(name),
+            } => builder
+                .header(header::ContentId::from(format!("<{content_id}>")))
+                .header(header::ContentDisposition::inline_with_name(&name)),
         };
         builder = builder.header(content_type);
         builder.body(content)
@@ -142,4 +197,24 @@ mod tests {
             )
         );
     }
+
+    #[test]
+    fn attachment_inline_with_name() {
+        let id = String::from("id");
+        let name = String::from("test");
+        let part = super::Attachment::new_inline_with_name(id, name).body(
+            String::from("Hello world!"),
+            ContentType::parse("text/plain").unwrap(),
+        );
+        assert_eq!(
+            &String::from_utf8_lossy(&part.formatted()),
+            concat!(
+                "Content-ID: <id>\r\n",
+                "Content-Disposition: inline; filename=\"test\"\r\n",
+                "Content-Type: text/plain\r\n",
+                "Content-Transfer-Encoding: 7bit\r\n\r\n",
+                "Hello world!\r\n"
+            )
+        );
+    }
 }