Add invitation_is_trusted function, fixup error handling

crates/lox-wasm/src/lib.rs

@@ -50,10 +50,19 @@ pub fn handle_new_lox_credential(
     open_lox_response: String,
     lox_pub: String,
 ) -> Result<String, JsValue> {
-    let req_state: lox_utils::OpenReqState = serde_json::from_str(&open_lox_result).unwrap();
+    let req_state: lox_utils::OpenReqState = match serde_json::from_str(&open_lox_result) {
+        Ok(req_state) => req_state,
+        Err(e) => return Err(JsValue::from(e.to_string())),
+    };
     let deserialized_state = req_state.state;
-    let deserialized_response = serde_json::from_str(&open_lox_response).unwrap();
-    let pubkeys: lox_utils::PubKeys = serde_json::from_str(&lox_pub).unwrap();
+    let deserialized_response = match serde_json::from_str(&open_lox_response) {
+        Ok(deserialized_response) => deserialized_response,
+        Err(e) => return Err(JsValue::from(e.to_string())),
+    };
+    let pubkeys: lox_utils::PubKeys = match serde_json::from_str(&lox_pub) {
+        Ok(pubkeys) => pubkeys,
+        Err(e) => return Err(JsValue::from(e.to_string())),
+    };
     let lox_cred = match open_invite::handle_response(
         deserialized_state,
         deserialized_response,
@@ -78,7 +87,13 @@ pub fn handle_new_lox_credential(
         "Got new bridgeline: {}",
         serde_json::to_string(&lox_cred.bridgelines).unwrap()
     ));
-    Ok(serde_json::to_string(&lox_cred).unwrap())
+    match serde_json::to_string(&lox_cred) {
+        Ok(lox_cred) => Ok(lox_cred),
+        Err(e) => {
+            log(&format!("Error: {:?}", e.to_string()));
+            Err(JsValue::from(e.to_string()))
+        }
+    }
 }
 
 #[wasm_bindgen]
@@ -563,11 +578,10 @@ pub fn get_issued_invite_expiry(lox_cred_str: String) -> Result<String, JsValue>
                 "Invitation Expiry {}",
                 serde_json::to_string(&date_time).unwrap()
             ));
-            let inv_date_str = match serde_json::to_string(&date_time) {
+            match serde_json::to_string(&date_time) {
                 Ok(inv_date_str) => Ok(inv_date_str),
                 Err(e) => Err(JsValue::from(e.to_string())),
-            };
-            inv_date_str
+            }
         }
         None => Err(JsValue::from("No Invitation Issued")),
     }
@@ -613,3 +627,16 @@ pub fn get_constants() -> Result<String, JsValue> {
         Err(e) => Err(JsValue::from(e.to_string())),
     }
 }
+
+pub fn invitation_is_trusted(unspecified_invitation_str: String) -> Result<bool, JsValue> {
+    match serde_json::from_str::<Invitation>(&unspecified_invitation_str) {
+        Ok(_) => Ok(true),
+        Err(_) => {
+            let invite = unspecified_invitation_str.as_bytes();
+            match lox_utils::validate(invite) {
+                Ok(_) => Ok(false),
+                Err(e) => Err(JsValue::from(e.to_string())),
+            }
+        }
+    }
+}