feat(bichonctl): add support for decoding MIME-encoded X-Gmail-Labels in mbox #182

src/modules/cli/mbox/mod.rs

@@ -27,6 +27,7 @@ use crate::modules::cli::BichonCtlConfig;
 use console::style;
 use dialoguer::{theme::ColorfulTheme, Input};
 use dialoguer::{Confirm, Select};
+use mail_parser::parsers::MessageStream;
 use mail_parser::MessageParser;
 use reqwest::Client;
 
@@ -152,11 +153,15 @@ pub async fn run_import(
         let folder_name = match target_folder {
             Some(ref folder_name) => folder_name.clone(),
             None => {
-                let labels = message
-                    .header("X-Gmail-Labels")
-                    .and_then(|h| h.as_text())
-                    .unwrap_or("Inbox");
-                determine_folder(labels)
+                let gmail_labels = message.header_raw("X-Gmail-Labels").unwrap_or("INBOX");
+                let text_cow = MessageStream::new(gmail_labels.as_bytes())
+                    .parse_unstructured()
+                    .into_text();
+                let data: &str = match &text_cow {
+                    Some(c) => c.as_ref(),
+                    None => "INBOX",
+                };
+                determine_folder(data)
             }
         };
         let b64_eml = base64_encode_url_safe!(&body);

src/modules/imap/tests.rs

@@ -52,6 +52,7 @@ async fn test1() {
 #[tokio::test]
 async fn test2() {
     const MESSAGE: &str = r#"From: Art Vandelay <art@vandelay.com> (Vandelay Industries)
+X-Gmail-Labels: =?UTF-8?Q?Archiv=C3=A9s,Envoy=C3=A9?=
 To: "Colleagues": "James Smythe" <james@vandelay.com>; Friends:
     jane@example.com, =?UTF-8?Q?John_Sm=C3=AEth?= <john@example.com>;
 Date: Sat, 20 Nov 2021 14:22:01 -0800
@@ -93,16 +94,16 @@ R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
 "#;
 
     let message = MessageParser::default().parse(MESSAGE).unwrap();
-    let raw_subject = message.header_raw("Subject").unwrap().as_bytes();
+    let header = message.header_raw("X-Gmail-Labels").unwrap().as_bytes();
 
-    let data = MessageStream::new(raw_subject)
+    let data = MessageStream::new(header)
         .parse_unstructured()
         .unwrap_text()
         .to_string();
 
     println!("{}", data);
     // RFC2047 support for encoded text in message readers
-    println!("{}", message.subject().unwrap());
+    //println!("{}", message.subject().unwrap());
 }
 
 #[tokio::test]