Port Brave Sync server to Rust

Use SQLite for persistence and generate Rust protobuf bindings at build time.

Add Docker image support for containerized deployment.

Co-Authored-By: codex <[email protected]>

schema/protobuf/sync_pb/gaia_password_reuse.proto

@@ -0,0 +1,106 @@
+// Copyright 2019 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// Security Events used for recording security related events.
+
+// If you change or add any fields in this file, update proto_visitors.h and
+// potentially proto_enum_conversions.{h, cc}.
+
+syntax = "proto2";
+
+option go_package = "./sync_pb";
+
+option java_multiple_files = true;
+option java_package = "org.chromium.components.sync.protocol";
+
+option optimize_for = LITE_RUNTIME;
+
+package sync_pb;
+
+// User reused their GAIA password on another website.
+message GaiaPasswordReuse {
+  // Logged when we detect a password re-use event on a non-GAIA site.
+  // If the user hasn’t enabled SafeBrowsing, this will be the last event.
+  message PasswordReuseDetected {
+    message SafeBrowsingStatus {
+      // Is SafeBrowsing enabled?
+      optional bool enabled = 1;
+      // If SafeBrowsing is enabled, is the user opted-in to extended
+      // reporting or Scout?
+      enum ReportingPopulation {
+        REPORTING_POPULATION_UNSPECIFIED = 0;
+        NONE = 1;
+        EXTENDED_REPORTING = 2;
+        SCOUT = 3;
+      }
+      optional ReportingPopulation safe_browsing_reporting_population = 2;
+    }
+    optional SafeBrowsingStatus status = 1;
+  }
+  optional PasswordReuseDetected reuse_detected = 1;
+
+  message PasswordReuseLookup {
+    enum LookupResult {
+      UNSPECIFIED = 0;
+      // URL did match the password reuse allowlist.
+      // No further action required related to this re-use event.
+      ALLOWLIST_HIT = 1;
+      // The URL exists in the client’s cache.
+      // No further action required related to this re-use event.
+      // This event also logs the ReputationVerdict.
+      CACHE_HIT = 2;
+      // A valid response received from the SafeBrowsing service.
+      // This event also logs the ReputationVerdict.
+      REQUEST_SUCCESS = 3;
+      // Unable to get a valid response from the SafeBrowsing service.
+      REQUEST_FAILURE = 4;
+      // We won't be able to compute reputation for the URL e.g. local IP
+      // address, localhost, not-yet-assigned by ICANN gTLD, etc.
+      URL_UNSUPPORTED = 5;
+      // URL did match enterprise allowlist.
+      // No further action required related to this re-use event.
+      ENTERPRISE_ALLOWLIST_HIT = 6;
+      // Password reuse lookup is turned off by enterprise policy.
+      // No further action required related to this re-use event.
+      TURNED_OFF_BY_POLICY = 7;
+    }
+    optional LookupResult lookup_result = 1;
+
+    // The following two are only present for CACHE_HIT and REQUEST_SUCCESS.
+    // The verdict received from the Reputation service. This is set only
+    // if the user has SafeBrowsing enabled and we fetch the verdict from the
+    // cache or by sending a verdict request.
+    enum ReputationVerdict {
+      VERDICT_UNSPECIFIED = 0;
+      SAFE = 1;
+      LOW_REPUTATION = 2;
+      PHISHING = 3;
+    }
+    optional ReputationVerdict verdict = 2;
+    // PhishGuard token that identifies the verdict on the server.
+    optional bytes verdict_token = 3;
+  }
+  // Logged when we try to detect whether the password was reused on a
+  // Phishing or a Low-reputation site.
+  optional PasswordReuseLookup reuse_lookup = 2;
+
+  // Logged when the user interacts with the warning UI shown to encourage
+  // password change if the site is Phishing or Low-reputation.
+  message PasswordReuseDialogInteraction {
+    enum InteractionResult {
+      UNSPECIFIED = 0;
+      // The user took the action suggested by the warning prompt.
+      WARNING_ACTION_TAKEN = 1;
+      // The user clicked ignore in the warning prompt.
+      WARNING_ACTION_IGNORED = 2;
+      // The warning UI was ignored, i.e. not interacted with by the user.
+      // This could happen if the user navigates away from the page.
+      WARNING_UI_IGNORED = 3;
+      // The user clicked "Change Password" on chrome://settings page.
+      WARNING_ACTION_TAKEN_ON_SETTINGS = 4;
+    }
+    optional InteractionResult interaction_result = 1;
+  }
+  optional PasswordReuseDialogInteraction dialog_interaction = 3;
+}