don't log enrollment token (#650)

Author: j-chmielewski

src-tauri/src/enterprise/provisioning/mod.rs

@@ -1,4 +1,4 @@
-use std::{fs, path::Path};
+use std::{fmt, fs, path::Path};
 
 use serde::{Deserialize, Serialize};
 use tauri::{AppHandle, Manager};
@@ -7,12 +7,26 @@ use crate::database::{models::instance::Instance, DB_POOL};
 
 const CONFIG_FILE_NAME: &str = "provisioning.json";
 
-#[derive(Clone, Debug, Deserialize, Serialize)]
+#[derive(Clone, Deserialize, Serialize)]
 pub struct ProvisioningConfig {
     pub enrollment_url: String,
     pub enrollment_token: String,
 }
 
+impl fmt::Debug for ProvisioningConfig {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        let Self {
+            enrollment_url,
+            enrollment_token: _,
+        } = self;
+
+        f.debug_struct("ProvisioningConfig")
+            .field("enrollment_url", enrollment_url)
+            .field("enrollment_token", &"***")
+            .finish()
+    }
+}
+
 impl ProvisioningConfig {
     /// Load configuration from a file at `path`.
     fn load(path: &Path) -> Option<Self> {