Add Card.cert_url for retrieving certificate URL

Signed-off-by: Wiktor Kwapisiewicz <[email protected]>

NEXT.md

@@ -1,8 +1,9 @@
 # Next version changes
 ## This file contains changes that will be included in the next version that is released
-v0.2.0
+v0.1.21
 
 New:
+  - `Card.cert_url` - for retrieving certificate URL stored on the card, note that the URL returned can be empty or invalid,
 
 Changed:
 

README.md

@@ -62,6 +62,7 @@ sh /start.sh
 echo 12345678 > pin
 opgpcard admin --card 0000:00000000 --admin-pin pin import no-passwd.pgp
 opgpcard admin --card 0000:00000000 --admin-pin pin name "John Doe"
+opgpcard admin --card 0000:00000000 --admin-pin pin url "https://example.com/key.pgp"
 ```
 
 ## Functions
@@ -408,6 +409,7 @@ card = Card.open("0000:00000000")
 
 print(f"Card ident: {card.ident}")
 assert card.cardholder == "John Doe"
+assert card.cert_url == "https://example.com/key.pgp"
 ```
 
 Cards can be used for signing data:

src/card.rs

@@ -31,6 +31,12 @@ impl Card {
             .map(|name| String::from_utf8_lossy(name).into()))
     }
 
+    #[getter]
+    pub fn cert_url(&mut self) -> anyhow::Result<String> {
+        let mut transaction = self.open.transaction()?;
+        Ok(transaction.url()?)
+    }
+
     #[getter]
     pub fn ident(&mut self) -> anyhow::Result<String> {
         let transaction = self.open.transaction()?;