Feat #13555 add server cert field, similar to client cert

mobile/assets/i18n/en-US.json

@@ -163,6 +163,14 @@
   "client_cert_remove_msg": "Client certificate is removed",
   "client_cert_subtitle": "Supports PKCS12 (.p12, .pfx) format only. Certificate Import/Remove is available only before login",
   "client_cert_title": "SSL Client Certificate",
+  "server_cert_dialog_msg_confirm": "OK",
+  "server_cert_import": "Import",
+  "server_cert_import_success_msg": "Server certificate is imported",
+  "server_cert_invalid_msg": "Invalid certificate file or wrong password",
+  "server_cert_remove": "Remove",
+  "server_cert_remove_msg": "Server certificate is removed",
+  "server_cert_subtitle": "Supports PKCS12 (.p12, .pfx) format only. Certificate Import/Remove is available only before login",
+  "server_cert_title": "SSL Server Certificate",
   "common_add_to_album": "Add to album",
   "common_change_password": "Change Password",
   "common_create_new_album": "Create new album",

mobile/lib/entities/store.entity.dart

@@ -173,6 +173,30 @@ class SSLClientCertStoreVal {
   }
 }
 
+class SSLServerCertStoreVal {
+  final Uint8List data;
+
+  SSLServerCertStoreVal(this.data);
+
+  void save() {
+    final b64Str = base64Encode(data);
+    Store.put(StoreKey.sslServerCertData, b64Str);
+  }
+
+  static SSLServerCertStoreVal? load() {
+    final b64Str = Store.tryGet<String>(StoreKey.sslServerCertData);
+    if (b64Str == null) {
+      return null;
+    }
+    final Uint8List certData = base64Decode(b64Str);
+    return SSLServerCertStoreVal(certData);
+  }
+
+  static void delete() {
+    Store.delete(StoreKey.sslServerCertData);
+  }
+}
+
 class StoreKeyNotFoundException implements Exception {
   final StoreKey key;
   StoreKeyNotFoundException(this.key);
@@ -199,6 +223,7 @@ enum StoreKey<T> {
   backgroundBackup<bool>(14, type: bool),
   sslClientCertData<String>(15, type: String),
   sslClientPasswd<String>(16, type: String),
+  sslServerCertData<String>(17, type: String),
   // user settings from [AppSettingsEnum] below:
   loadPreview<bool>(100, type: bool),
   loadOriginal<bool>(101, type: bool),

mobile/lib/utils/http_ssl_cert_override.dart

@@ -6,15 +6,25 @@ import 'package:logging/logging.dart';
 class HttpSSLCertOverride extends HttpOverrides {
   static final Logger _log = Logger("HttpSSLCertOverride");
   final SSLClientCertStoreVal? _clientCert;
+  final SSLServerCertStoreVal? _rootCert;
   late final SecurityContext? _ctxWithCert;
 
-  HttpSSLCertOverride() : _clientCert = SSLClientCertStoreVal.load() {
-    if (_clientCert != null) {
+  HttpSSLCertOverride() : _clientCert = SSLClientCertStoreVal.load(), _rootCert = SSLServerCertStoreVal.load() {
+    if (_clientCert != null || _rootCert != null) {
       _ctxWithCert = SecurityContext(withTrustedRoots: true);
-      if (_ctxWithCert != null) {
-        setClientCert(_ctxWithCert, _clientCert);
-      } else {
-        _log.severe("Failed to create security context with client cert!");
+      if (_clientCert != null) {
+        if (_ctxWithCert != null) {
+          setClientCert(_ctxWithCert, _clientCert);
+        } else {
+          _log.severe("Failed to create security context with client cert!");
+        }
+      }
+      if (_rootCert != null) {
+        if (_ctxWithCert != null) {
+          setRootCert(_ctxWithCert, _rootCert);
+        } else {
+          _log.severe("Failed to create security context with server cert!");
+        }
       }
     } else {
       _ctxWithCert = null;
@@ -33,12 +43,26 @@ class HttpSSLCertOverride extends HttpOverrides {
     return true;
   }
 
+  static bool setRootCert(SecurityContext ctx, SSLServerCertStoreVal cert) {
+    try {
+      _log.info("Setting server certificate");
+      ctx.setTrustedCertificatesBytes(cert.data);
+    } catch (e) {
+      _log.severe("Failed to set SSL server cert: $e");
+      return false;
+    }
+    return true;
+  }
+
   @override
   HttpClient createHttpClient(SecurityContext? context) {
     if (context != null) {
       if (_clientCert != null) {
         setClientCert(context, _clientCert);
       }
+      if (_rootCert != null) {
+        setRootCert(context, _rootCert);
+      }
     } else {
       context = _ctxWithCert;
     }

mobile/lib/widgets/settings/advanced_settings.dart

@@ -14,6 +14,7 @@ import 'package:immich_mobile/providers/user.provider.dart';
 import 'package:immich_mobile/services/immich_logger.service.dart';
 import 'package:immich_mobile/utils/http_ssl_cert_override.dart';
 import 'package:immich_mobile/widgets/settings/ssl_client_cert_settings.dart';
+import 'package:immich_mobile/widgets/settings/ssl_server_cert_settings.dart';
 import 'package:logging/logging.dart';
 
 class AdvancedSettings extends HookConsumerWidget {
@@ -66,6 +67,7 @@ class AdvancedSettings extends HookConsumerWidget {
       ),
       const CustomeProxyHeaderSettings(),
       SslClientCertSettings(isLoggedIn: ref.read(currentUserProvider) != null),
+      SslServerCertSettings(isLoggedIn: ref.read(currentUserProvider) != null),
     ];
 
     return SettingsSubPageScaffold(settings: advancedSettings);

mobile/lib/widgets/settings/ssl_server_cert_settings.dart

@@ -0,0 +1,133 @@
+import 'dart:io';
+
+import 'package:easy_localization/easy_localization.dart';
+import 'package:file_picker/file_picker.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:immich_mobile/entities/store.entity.dart';
+import 'package:immich_mobile/extensions/build_context_extensions.dart';
+import 'package:immich_mobile/extensions/theme_extensions.dart';
+import 'package:immich_mobile/utils/http_ssl_cert_override.dart';
+
+class SslServerCertSettings extends StatefulWidget {
+  const SslServerCertSettings({super.key, required this.isLoggedIn});
+
+  final bool isLoggedIn;
+
+  @override
+  State<StatefulWidget> createState() => _SslServerCertSettingsState();
+}
+
+class _SslServerCertSettingsState extends State<SslServerCertSettings> {
+  _SslServerCertSettingsState()
+      : isCertExist = SSLServerCertStoreVal.load() != null;
+
+  bool isCertExist;
+
+  @override
+  Widget build(BuildContext context) {
+    return ListTile(
+      contentPadding: const EdgeInsets.symmetric(horizontal: 20),
+      horizontalTitleGap: 20,
+      isThreeLine: true,
+      title: Text(
+        "server_cert_title".tr(),
+        style: context.textTheme.bodyLarge?.copyWith(
+          fontWeight: FontWeight.w500,
+        ),
+      ),
+      subtitle: Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        children: [
+          Text(
+            "server_cert_subtitle".tr(),
+            style: context.textTheme.bodyMedium?.copyWith(
+              color: context.colorScheme.onSurfaceSecondary,
+            ),
+          ),
+          const SizedBox(
+            height: 6,
+          ),
+          Row(
+            mainAxisSize: MainAxisSize.max,
+            mainAxisAlignment: MainAxisAlignment.center,
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              ElevatedButton(
+                onPressed: widget.isLoggedIn ? null : () => importCert(context),
+                child: Text("server_cert_import".tr()),
+              ),
+              const SizedBox(
+                width: 15,
+              ),
+              ElevatedButton(
+                onPressed: widget.isLoggedIn || !isCertExist
+                    ? null
+                    : () => removeCert(context),
+                child: Text("server_cert_remove".tr()),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+
+  void showMessage(BuildContext context, String message) {
+    showDialog(
+      context: context,
+      builder: (ctx) => AlertDialog(
+        content: Text(message),
+        actions: [
+          TextButton(
+            onPressed: () => ctx.pop(),
+            child: Text("server_cert_dialog_msg_confirm".tr()),
+          ),
+        ],
+      ),
+    );
+  }
+
+  void storeCert(BuildContext context, Uint8List data) {
+    final cert = SSLServerCertStoreVal(data);
+    // Test whether the certificate is valid
+    final isCertValid = HttpSSLCertOverride.setRootCert(
+      SecurityContext(withTrustedRoots: true),
+      cert,
+    );
+    if (!isCertValid) {
+      showMessage(context, "server_cert_invalid_msg".tr());
+      return;
+    }
+    cert.save();
+    HttpOverrides.global = HttpSSLCertOverride();
+    setState(
+      () => isCertExist = true,
+    );
+    showMessage(context, "client_cert_import_success_msg".tr());
+  }
+
+  Future<void> importCert(BuildContext ctx) async {
+    FilePickerResult? res = await FilePicker.platform.pickFiles(
+      type: FileType.custom,
+      allowedExtensions: [
+        'p12',
+        'pfx',
+      ],
+    );
+    if (res != null) {
+      File file = File(res.files.single.path!);
+      final data = await file.readAsBytes();
+      storeCert(context, data);
+    }
+  }
+
+  void removeCert(BuildContext context) {
+    SSLServerCertStoreVal.delete();
+    HttpOverrides.global = HttpSSLCertOverride();
+    setState(
+      () => isCertExist = false,
+    );
+    showMessage(context, "server_cert_remove_msg".tr());
+  }
+}