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/wifi_configuration_specifics.proto

@@ -0,0 +1,94 @@
+// 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.
+//
+// Sync protocol datatype extension for Wi-Fi configuration items.
+
+// 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;
+
+message WifiConfigurationSpecifics {
+  // SSID encoded to hex, letters should be upper case and 0x prefix should be
+  // omitted. For example, ssid "network" would be provided as "6E6574776F726B".
+  optional bytes hex_ssid = 1;
+  enum SecurityType {
+    SECURITY_TYPE_UNSPECIFIED = 0;
+    SECURITY_TYPE_NONE = 1;
+    SECURITY_TYPE_WEP = 2;
+    SECURITY_TYPE_PSK = 3;  // WPA-PSK or RSN-PSK
+  }
+  optional SecurityType security_type = 2;
+  // The passphrase can be ASCII, UTF-8, or a string of hex digits.
+  optional bytes passphrase = 3;
+  enum AutomaticallyConnectOption {
+    AUTOMATICALLY_CONNECT_UNSPECIFIED = 0;
+    AUTOMATICALLY_CONNECT_DISABLED = 1;
+    AUTOMATICALLY_CONNECT_ENABLED = 2;
+  }
+  optional AutomaticallyConnectOption automatically_connect = 4;
+  enum IsPreferredOption {
+    IS_PREFERRED_UNSPECIFIED = 0;
+    IS_PREFERRED_DISABLED = 1;
+    IS_PREFERRED_ENABLED = 2;
+  }
+  optional IsPreferredOption is_preferred = 5;
+  enum MeteredOption {
+    METERED_OPTION_UNSPECIFIED = 0;
+    METERED_OPTION_NO = 1;
+    METERED_OPTION_YES = 2;
+    // Allows the device to use heuristics to determine if network is metered.
+    METERED_OPTION_AUTO = 3;
+  }
+  optional MeteredOption metered = 6;
+  message ProxyConfiguration {
+    enum ProxyOption {
+      PROXY_OPTION_UNSPECIFIED = 0;
+      PROXY_OPTION_DISABLED = 1;
+      // Use a Proxy Auto-config(PAC) Url, set in proxy_url
+      PROXY_OPTION_AUTOMATIC = 2;
+      // Uses Web Proxy Auto-Discovery Protocol (WPAD) to discover the proxy
+      // settings using DHCP/DNS.
+      PROXY_OPTION_AUTODISCOVERY = 3;
+      // User sets details in manual_proxy_configuration.
+      PROXY_OPTION_MANUAL = 4;
+    }
+    optional ProxyOption proxy_option = 1;
+    // Only set if PROXY_OPTION_AUTOMATIC.
+    optional string autoconfiguration_url = 2;
+    message ManualProxyConfiguration {
+      optional string http_proxy_url = 1;
+      optional int32 http_proxy_port = 2;
+      optional string secure_http_proxy_url = 3;
+      optional int32 secure_http_proxy_port = 4;
+      optional string socks_host_url = 5;
+      optional int32 socks_host_port = 6;
+      repeated string excluded_domains = 7;
+    }
+    // Only set if PROXY_OPTION_MANUAL.
+    optional ManualProxyConfiguration manual_proxy_configuration = 3;
+  }
+  optional ProxyConfiguration proxy_configuration = 7;
+  enum DnsOption {
+    DNS_OPTION_UNSPECIFIED = 0;
+    DNS_OPTION_DEFAULT_DHCP = 1;
+    DNS_OPTION_CUSTOM = 2;
+  }
+  optional DnsOption dns_option = 10;
+  // List of DNS servers to be used when set to DNS_OPTION_CUSTOM.  Up to 4.
+  repeated string custom_dns = 8;
+  // The last time this configuration was connected to before being synced.  It
+  // will only be updated when the configuration is changed. This is represented
+  // with the UNIX timestamp, ms since epoch.
+  optional int64 last_connected_timestamp = 9;
+}