melib: Remove quotes from addresses in email/parser.rs

melib/src/email/address.rs

@@ -29,6 +29,27 @@ pub struct GroupAddress {
 }
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
+/**
+ * Container for an address.
+ *
+ * >           raw: Vec<u8>
+ * > ┌──────────┴────────────┐
+ * > Name <address@domain.tld>
+ * > └─┬┘  └──────────┬─────┘
+ * > display_name     │
+ * >                  │
+ * >            address_spec
+ *
+ *
+ * >           raw: Vec<u8>
+ * > ┌──────────┴────────────────────┐
+ * > "Name Name2" <address@domain.tld>
+ * >  └─────┬──┘   └──────────┬─────┘
+ * > display_name             │
+ * >                          │
+ * >                    address_spec
+ *
+ */
 pub struct MailboxAddress {
     pub raw: Vec<u8>,
     pub display_name: StrBuilder,

melib/src/email/parser.rs

@@ -55,6 +55,7 @@ pub trait BytesExt {
     fn find(&self, needle: &[u8]) -> Option<usize>;
     fn rfind(&self, needle: &[u8]) -> Option<usize>;
     fn replace(&self, from: &[u8], to: &[u8]) -> Vec<u8>;
+    fn is_quoted(&self) -> bool;
 }
 
 impl BytesExt for [u8] {
@@ -93,6 +94,10 @@ impl BytesExt for [u8] {
         }
         ret
     }
+
+    fn is_quoted(&self) -> bool {
+        self.starts_with(b"\"") && self.ends_with(b"\"") && self.len() > 1
+    }
 }
 
 fn quoted_printable_byte(input: &[u8]) -> IResult<&[u8], u8> {
@@ -488,11 +493,18 @@ fn display_addr(input: &[u8]) -> IResult<&[u8], Address> {
                             length: end,
                         }
                     };
+
+                    if display_name.display(&raw).as_bytes().is_quoted() {
+                        display_name.offset += 1;
+                        display_name.length -= 2;
+                    }
+
                     let rest_start = if input.len() > end + display_name.length + 2 {
                         end + display_name.length + 3
                     } else {
                         end + display_name.length + 2
                     };
+
                     IResult::Done(
                         &input[rest_start..],
                         Address::Mailbox(MailboxAddress {