Implement Android Home activity and HTTPS synchronization (#97)

crates/storage/src/mobile_authentication.rs

@@ -4,6 +4,7 @@ use std::{
     collections::BTreeMap,
     error::Error,
     fmt,
+    path::Path,
     sync::{Arc, Mutex},
     time::Duration,
 };
@@ -79,7 +80,11 @@ impl MobileAuthenticationError {
         &self.detail
     }
 
-    fn new(kind: MobileAuthenticationErrorKind, title: &str, detail: impl Into<String>) -> Self {
+    pub(crate) fn new(
+        kind: MobileAuthenticationErrorKind,
+        title: &str,
+        detail: impl Into<String>,
+    ) -> Self {
         Self {
             kind,
             title: title.to_owned(),
@@ -352,6 +357,32 @@ pub struct MobileAuthentication {
 }
 
 impl MobileAuthentication {
+    pub(crate) fn matches_configuration(
+        &self,
+        config: &Config,
+    ) -> Result<bool, MobileAuthenticationError> {
+        let status = self.status()?;
+        if self.config.source() != config.source()
+            || self.config.vault() != config.vault()
+            || self.config.key_material() != config.key_material()
+            || self.config.default_key() != config.default_key()
+            || self.config.git_remotes() != config.git_remotes()
+            || status.git_identity != *config.git_identity()
+            || status.authentication_timeout != config.authentication_timeout()
+            || status.biometric_unlock_enabled != config.biometric_unlock_enabled()
+        {
+            return Ok(false);
+        }
+        let current = Repository::open(config.vault()).map_err(entry_error)?;
+        Ok(self
+            .repository
+            .navigation_revision(Path::new(""), false)
+            .map_err(entry_error)?
+            == current
+                .navigation_revision(Path::new(""), false)
+                .map_err(entry_error)?)
+    }
+
     pub fn load() -> Result<Self, MobileAuthenticationError> {
         let config = Config::load(None).map_err(|error| {
             MobileAuthenticationError::new(
@@ -913,6 +944,7 @@ impl MobileAuthentication {
         &self,
         operation: &MobileTotpOperation,
     ) -> Result<MobileTotpPage, MobileAuthenticationError> {
+        self.ensure_repository_idle()?;
         self.ensure_active()?;
         let _discovery = self.totp_discovery.lock().map_err(|_| {
             entry_detail(
@@ -946,6 +978,7 @@ impl MobileAuthentication {
         &self,
         query: &str,
     ) -> Result<Option<MobileTotpPage>, MobileAuthenticationError> {
+        self.ensure_repository_idle()?;
         let shared = self.status()?.watch_shared_totp_entries.clone();
         let cache_path = self.config.source().with_file_name("totp-catalog.toml");
         let mut page = MobileTotpService::new(&self.repository, &self.keys).search_cached_page(