TF-571 Check OIDC is available

android/gradlew 2

@@ -0,0 +1,160 @@
+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

android/gradlew 2.bat

@@ -0,0 +1,90 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

core/lib/core.dart

@@ -77,7 +77,6 @@ export 'data/constants/constant.dart';
 // Network
 export 'data/network/config/authorization_interceptors.dart';
 export 'data/network/config/dynamic_url_interceptors.dart';
-export 'data/network/config/endpoint.dart';
 export 'data/network/config/service_path.dart';
 export 'data/network/dio_client.dart';
 export 'data/network/download/download_client.dart';
@@ -95,4 +94,5 @@ export 'data/local/database_client.dart';
 export 'data/local/database_manager.dart';
 
 // Model
-export 'data/model/data_source_type.dart';
+export 'data/model/source_type/data_source_type.dart';
+export 'data/model/query/query_parameter.dart';

core/lib/data/model/query/query_parameter.dart

@@ -0,0 +1,19 @@
+
+abstract class QueryParameter<T> {
+  final String queryName;
+  final T queryValue;
+
+  QueryParameter(this.queryName, this.queryValue);
+}
+
+class BooleanQueryParameter extends QueryParameter<bool> {
+  BooleanQueryParameter(String queryName, bool queryValue) : super(queryName, queryValue);
+}
+
+class StringQueryParameter extends QueryParameter<String> {
+  StringQueryParameter(String queryName, String queryValue) : super(queryName, queryValue);
+}
+
+class IntQueryParameter extends QueryParameter<int> {
+  IntQueryParameter(String queryName, int queryValue) : super(queryName, queryValue);
+}

core/lib/data/network/config/endpoint.dart

@@ -1,5 +0,0 @@
-import 'package:core/data/network/config/service_path.dart';
-
-class Endpoint {
-  static final ServicePath authentication = ServicePath('/api/login');
-}

core/lib/data/network/config/service_path.dart

@@ -1,19 +1,6 @@
+
 class ServicePath {
   final String path;
 
   ServicePath(this.path);
 }
-
-extension ServicePathExtension on ServicePath {
-  String generateEndpointPath() {
-    return '$path';
-  }
-
-  String generateAuthenticationUrl(Uri? baseUrl) {
-    if (baseUrl == null) {
-      return generateEndpointPath();
-    } else {
-      return baseUrl.origin + generateEndpointPath();
-    }
-  }
-}

core/lib/presentation/extensions/url_extension.dart

@@ -5,13 +5,16 @@ extension URLExtension on String {
   static final String prefixUrlHttp = 'http://';
 
   String formatURLValid() {
-    if (startsWith(prefixUrlHttps)) {
-      return this;
-    } else if (startsWith(prefixUrlHttp)) {
-      return kReleaseMode ? replaceAll(prefixUrlHttp, prefixUrlHttps) : this;
-    } else {
-      return '$prefixUrlHttps${this}';
+    if (isNotEmpty) {
+      if (startsWith(prefixUrlHttps)) {
+        return this;
+      } else if (startsWith(prefixUrlHttp)) {
+        return kReleaseMode ? replaceAll(prefixUrlHttp, prefixUrlHttps) : this;
+      } else {
+        return '$prefixUrlHttps${this}';
+      }
     }
+    return '';
   }
 
   String removePrefix() {

lib/features/login/data/datasource/authentication_oidc_datasource.dart

@@ -0,0 +1,6 @@
+
+import 'package:model/model.dart';
+
+abstract class AuthenticationOIDCDataSource {
+  Future<bool> checkOIDCIsAvailable(OIDCRequest oidcRequest);
+}

lib/features/login/data/datasource_impl/authentication_oidc_datasource_impl.dart

@@ -0,0 +1,20 @@
+import 'package:model/model.dart';
+import 'package:tmail_ui_user/features/login/data/datasource/authentication_oidc_datasource.dart';
+import 'package:tmail_ui_user/features/login/data/network/oidc_http_client.dart';
+
+class AuthenticationOIDCDataSourceImpl extends AuthenticationOIDCDataSource {
+
+  final OIDCHttpClient _oidcHttpClient;
+
+  AuthenticationOIDCDataSourceImpl(this._oidcHttpClient);
+
+  @override
+  Future<bool> checkOIDCIsAvailable(OIDCRequest oidcRequest) {
+    return Future.sync(() async {
+      final oidcResponse = await _oidcHttpClient.checkOIDCIsAvailable(oidcRequest);
+      return oidcResponse != null;
+    }).catchError((error) {
+      throw error;
+    });
+  }
+}

lib/features/login/data/extensions/service_path_extension.dart

@@ -0,0 +1,29 @@
+
+import 'package:core/core.dart';
+import 'package:tmail_ui_user/features/login/data/network/endpoint.dart';
+
+extension ServicePathExtension on ServicePath {
+  String generateEndpointPath() {
+    return path;
+  }
+
+  ServicePath generateOIDCPath(Uri baseUrl) {
+    return ServicePath(baseUrl.origin + Endpoint.oidc + path);
+  }
+
+  ServicePath withQueryParameters(List<QueryParameter> queryParameters) {
+    if (queryParameters.isEmpty) {
+      return this;
+    }
+    return ServicePath('$path?${queryParameters
+        .map((query) => '${query.queryName}=${query.queryValue}').join('&')}');
+  }
+
+  ServicePath withPathParameter([String? pathParameter]) {
+    if (pathParameter == null || pathParameter.isEmpty) {
+      return this;
+    }
+
+    return ServicePath('$path/$pathParameter');
+  }
+}

lib/features/login/data/network/endpoint.dart

@@ -0,0 +1,7 @@
+import 'package:core/data/network/config/service_path.dart';
+
+class Endpoint {
+  static const String oidc = '/oidc';
+
+  static final ServicePath webFinger = ServicePath('/.well-known/webfinger');
+}

lib/features/login/data/network/oidc_http_client.dart

@@ -0,0 +1,32 @@
+
+import 'dart:convert';
+
+import 'package:core/core.dart';
+import 'package:model/model.dart';
+import 'package:tmail_ui_user/features/login/data/network/endpoint.dart';
+import 'package:tmail_ui_user/features/login/data/extensions/service_path_extension.dart';
+
+class OIDCHttpClient {
+
+  final DioClient _dioClient;
+
+  OIDCHttpClient(this._dioClient);
+
+  Future<OIDCResponse?> checkOIDCIsAvailable(OIDCRequest oidcRequest) async {
+    final result = await _dioClient.get(
+        Endpoint.webFinger
+            .generateOIDCPath(Uri.parse(oidcRequest.baseUrl))
+            .withQueryParameters([
+              StringQueryParameter('resource', oidcRequest.resourceUrl),
+              StringQueryParameter('rel', oidcRequest.relUrl),
+            ])
+            .generateEndpointPath()
+    );
+    log('OIDCHttpClient::checkOIDCIsAvailable(): RESULT: $result');
+    if (result is Map<String, dynamic>) {
+      return OIDCResponse.fromJson(result);
+    } else {
+      return OIDCResponse.fromJson(jsonDecode(result));
+    }
+  }
+}

lib/features/login/data/repository/authentication_oidc_repository_impl.dart

@@ -0,0 +1,14 @@
+import 'package:model/oidc/request/oidc_request.dart';
+import 'package:tmail_ui_user/features/login/data/datasource/authentication_oidc_datasource.dart';
+import 'package:tmail_ui_user/features/login/domain/repository/authentication_oidc_repository.dart';
+
+class AuthenticationOIDCRepositoryImpl extends AuthenticationOIDCRepository {
+  final AuthenticationOIDCDataSource _oidcDataSource;
+
+  AuthenticationOIDCRepositoryImpl(this._oidcDataSource);
+
+  @override
+  Future<bool> checkOIDCIsAvailable(OIDCRequest oidcRequest) {
+    return _oidcDataSource.checkOIDCIsAvailable(oidcRequest);
+  }
+}

lib/features/login/domain/repository/authentication_oidc_repository.dart

@@ -0,0 +1,6 @@
+
+import 'package:model/oidc/request/oidc_request.dart';
+
+abstract class AuthenticationOIDCRepository {
+  Future<bool> checkOIDCIsAvailable(OIDCRequest oidcRequest);
+}

lib/features/login/domain/state/check_oidc_is_available_state.dart

@@ -0,0 +1,18 @@
+import 'package:core/core.dart';
+
+class CheckOIDCIsAvailableSuccess extends UIState {
+
+  CheckOIDCIsAvailableSuccess();
+
+  @override
+  List<Object> get props => [];
+}
+
+class CheckOIDCIsAvailableFailure extends FeatureFailure {
+  final dynamic exception;
+
+  CheckOIDCIsAvailableFailure(this.exception);
+
+  @override
+  List<Object> get props => [exception];
+}

lib/features/login/domain/usecases/check_oidc_is_available_interactor.dart

@@ -0,0 +1,24 @@
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:model/model.dart';
+import 'package:tmail_ui_user/features/login/domain/repository/authentication_oidc_repository.dart';
+import 'package:tmail_ui_user/features/login/domain/state/check_oidc_is_available_state.dart';
+
+class CheckOIDCIsAvailableInteractor {
+  final AuthenticationOIDCRepository _oidcRepository;
+
+  CheckOIDCIsAvailableInteractor(this._oidcRepository);
+
+  Future<Either<Failure, Success>> execute(OIDCRequest oidcRequest) async {
+    try {
+      final result = await _oidcRepository.checkOIDCIsAvailable(oidcRequest);
+      log('CheckOIDCIsAvailableInteractor::execute(): result: $result');
+      return result
+        ? Right<Failure, Success>(CheckOIDCIsAvailableSuccess())
+        : Left<Failure, Success>(CheckOIDCIsAvailableFailure(null));
+    } catch (e) {
+      log('CheckOIDCIsAvailableInteractor::execute(): ERROR: $e');
+      return Left<Failure, Success>(CheckOIDCIsAvailableFailure(e));
+    }
+  }
+}

lib/features/login/presentation/base_login_view.dart

@@ -42,6 +42,8 @@ abstract class BaseLoginView extends GetWidget<LoginController> {
             (success) {
               if (loginController.loginFormType.value == LoginFormType.credentialForm || kIsWeb) {
                 return AppLocalizations.of(context).loginInputCredentialMessage;
+              } else if (loginController.loginFormType.value == LoginFormType.ssoForm) {
+                return AppLocalizations.of(context).loginInputSSOMessage;
               }
               return AppLocalizations.of(context).loginInputUrlMessage;
             }))

lib/features/login/presentation/login_bindings.dart

@@ -3,33 +3,48 @@ import 'package:get/get.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:tmail_ui_user/features/base/base_bindings.dart';
 import 'package:tmail_ui_user/features/login/data/datasource/authentication_datasource.dart';
+import 'package:tmail_ui_user/features/login/data/datasource/authentication_oidc_datasource.dart';
 import 'package:tmail_ui_user/features/login/data/datasource_impl/authentication_datasource_impl.dart';
+import 'package:tmail_ui_user/features/login/data/datasource_impl/authentication_oidc_datasource_impl.dart';
+import 'package:tmail_ui_user/features/login/data/network/oidc_http_client.dart';
+import 'package:tmail_ui_user/features/login/data/repository/authentication_oidc_repository_impl.dart';
 import 'package:tmail_ui_user/features/login/data/repository/authentication_repository_impl.dart';
 import 'package:tmail_ui_user/features/login/data/repository/credential_repository_impl.dart';
+import 'package:tmail_ui_user/features/login/domain/repository/authentication_oidc_repository.dart';
 import 'package:tmail_ui_user/features/login/domain/repository/authentication_repository.dart';
 import 'package:tmail_ui_user/features/login/domain/repository/credential_repository.dart';
 import 'package:tmail_ui_user/features/login/domain/usecases/authentication_user_interactor.dart';
+import 'package:tmail_ui_user/features/login/domain/usecases/check_oidc_is_available_interactor.dart';
 import 'package:tmail_ui_user/features/login/presentation/login_controller.dart';
 
 class LoginBindings extends BaseBindings {
 
+  @override
+  void dependencies() {
+    Get.lazyPut(() => OIDCHttpClient(Get.find<DioClient>()));
+    super.dependencies();
+  }
+
   @override
   void bindingsController() {
     Get.lazyPut(() => LoginController(
         Get.find<AuthenticationInteractor>(),
         Get.find<DynamicUrlInterceptors>(),
         Get.find<AuthorizationInterceptors>(),
+        Get.find<CheckOIDCIsAvailableInteractor>(),
     ));
   }
 
   @override
   void bindingsDataSource() {
     Get.lazyPut<AuthenticationDataSource>(() => Get.find<AuthenticationDataSourceImpl>());
+    Get.lazyPut<AuthenticationOIDCDataSource>(() => Get.find<AuthenticationOIDCDataSourceImpl>());
   }
 
   @override
   void bindingsDataSourceImpl() {
     Get.lazyPut(() => AuthenticationDataSourceImpl());
+    Get.lazyPut(() => AuthenticationOIDCDataSourceImpl(Get.find<OIDCHttpClient>()));
   }
 
   @override
@@ -38,17 +53,22 @@ class LoginBindings extends BaseBindings {
         Get.find<AuthenticationRepository>(),
         Get.find<CredentialRepository>(),
     ));
+    Get.lazyPut(() => CheckOIDCIsAvailableInteractor(
+        Get.find<AuthenticationOIDCRepository>(),
+    ));
   }
 
   @override
   void bindingsRepository() {
     Get.lazyPut<CredentialRepository>(() => Get.find<CredentialRepositoryImpl>());
     Get.lazyPut<AuthenticationRepository>(() => Get.find<AuthenticationRepositoryImpl>());
+    Get.lazyPut<AuthenticationOIDCRepository>(() => Get.find<AuthenticationOIDCRepositoryImpl>());
   }
 
   @override
   void bindingsRepositoryImpl() {
     Get.lazyPut(() => CredentialRepositoryImpl(Get.find<SharedPreferences>()));
     Get.lazyPut(() => AuthenticationRepositoryImpl(Get.find<AuthenticationDataSource>()));
+    Get.lazyPut(() => AuthenticationOIDCRepositoryImpl(Get.find<AuthenticationOIDCDataSource>()));
   }
 }

lib/features/login/presentation/login_controller.dart

@@ -5,7 +5,9 @@ import 'package:flutter/foundation.dart';
 import 'package:get/get.dart';
 import 'package:model/model.dart';
 import 'package:tmail_ui_user/features/login/domain/state/authentication_user_state.dart';
+import 'package:tmail_ui_user/features/login/domain/state/check_oidc_is_available_state.dart';
 import 'package:tmail_ui_user/features/login/domain/usecases/authentication_user_interactor.dart';
+import 'package:tmail_ui_user/features/login/domain/usecases/check_oidc_is_available_interactor.dart';
 import 'package:tmail_ui_user/features/login/presentation/login_form_type.dart';
 import 'package:tmail_ui_user/features/login/presentation/state/login_state.dart';
 import 'package:tmail_ui_user/main/routes/app_routes.dart';
@@ -17,6 +19,7 @@ class LoginController extends GetxController {
   final AuthenticationInteractor _authenticationInteractor;
   final DynamicUrlInterceptors _dynamicUrlInterceptors;
   final AuthorizationInterceptors _authorizationInterceptors;
+  final CheckOIDCIsAvailableInteractor _checkOIDCIsAvailableInteractor;
 
   final TextEditingController urlInputController = TextEditingController();
 
@@ -24,6 +27,7 @@ class LoginController extends GetxController {
     this._authenticationInteractor,
     this._dynamicUrlInterceptors,
     this._authorizationInterceptors,
+    this._checkOIDCIsAvailableInteractor,
   );
 
   var loginState = LoginState(Right(LoginInitAction())).obs;
@@ -33,20 +37,48 @@ class LoginController extends GetxController {
   String? _userNameText;
   String? _passwordText;
 
-  void setUrlText(String url) => _urlText = url.formatURLValid();
+  void setUrlText(String url) => _urlText = url.trim().formatURLValid();
 
   void setUserNameText(String userName) => _userNameText = userName;
 
   void setPasswordText(String password) => _passwordText = password;
 
-  Uri? _parseUri(String? url) => url != null ? Uri.parse(url.trim()) : null;
+  Uri? _parseUri(String? url) => url != null && url.trim().isNotEmpty
+      ? Uri.parse(url.trim())
+      : null;
 
-  UserName? _parseUserName(String? userName) => userName != null ? UserName(userName.trim()) : null;
+  UserName? _parseUserName(String? userName) => userName != null && userName.trim().isNotEmpty
+      ? UserName(userName.trim())
+      : null;
 
-  Password? _parsePassword(String? password) => password != null ? Password(password.trim()) : null;
+  Password? _parsePassword(String? password) => password != null && password.trim().isNotEmpty
+      ? Password(password.trim())
+      : null;
 
   void handleNextInUrlInputFormPress() {
-    completeInputUrlAction();
+    _checkOIDCIsAvailable();
+  }
+
+  void _checkOIDCIsAvailable() async {
+    final baseUri = BuildUtils.isWeb ? _parseUri(AppConfig.baseUrl) : _parseUri(_urlText);
+
+    if (baseUri == null) {
+      loginState.value = LoginState(Left(LoginMissUrlAction()));
+    } else {
+      loginState.value = LoginState(Right(LoginLoadingAction()));
+      await _checkOIDCIsAvailableInteractor
+          .execute(OIDCRequest(baseUrl: baseUri.path))
+          .then((response) => response.fold(
+              (failure) => _showFormLoginWithCredentialAction(),
+              (success) => success is CheckOIDCIsAvailableSuccess
+                  ? _showFormLoginWithSSOAction(success)
+                  : _showFormLoginWithCredentialAction()));
+    }
+  }
+
+  void _showFormLoginWithSSOAction(CheckOIDCIsAvailableSuccess success) {
+    loginState.value = LoginState(Right(success));
+    loginFormType.value = LoginFormType.ssoForm;
   }
 
   void handleBackInCredentialForm() {
@@ -54,23 +86,27 @@ class LoginController extends GetxController {
     loginFormType.value = LoginFormType.baseUrlForm;
   }
 
-  void completeInputUrlAction() {
+  void _showFormLoginWithCredentialAction() {
     loginState.value = LoginState(Right(InputUrlCompletion()));
     loginFormType.value = LoginFormType.credentialForm;
   }
 
   void handleLoginPressed() {
-    final baseUri = kIsWeb ? _parseUri(AppConfig.baseUrl) : _parseUri(_urlText);
-    final userName = _parseUserName(_userNameText);
-    final password = _parsePassword(_passwordText);
-    if (baseUri != null && userName != null && password != null) {
-      _loginAction(baseUri, userName, password);
-    } else if (baseUri == null) {
-      loginState.value = LoginState(Left(LoginMissUrlAction()));
-    } else if (userName == null) {
-      loginState.value = LoginState(Left(LoginMissUsernameAction()));
-    } else if (password == null) {
-      loginState.value = LoginState(Left(LoginMissPasswordAction()));
+    if (loginFormType.value == LoginFormType.ssoForm) {
+
+    } else {
+      final baseUri = kIsWeb ? _parseUri(AppConfig.baseUrl) : _parseUri(_urlText);
+      final userName = _parseUserName(_userNameText);
+      final password = _parsePassword(_passwordText);
+      if (baseUri != null && userName != null && password != null) {
+        _loginAction(baseUri, userName, password);
+      } else if (baseUri == null) {
+        loginState.value = LoginState(Left(LoginMissUrlAction()));
+      } else if (userName == null) {
+        loginState.value = LoginState(Left(LoginMissUsernameAction()));
+      } else if (password == null) {
+        loginState.value = LoginState(Left(LoginMissPasswordAction()));
+      }
     }
   }
 

lib/features/login/presentation/login_form_type.dart

@@ -1,3 +1,3 @@
 enum LoginFormType {
-  none, baseUrlForm, credentialForm
+  none, baseUrlForm, credentialForm, ssoForm
 }

lib/features/login/presentation/login_view.dart

@@ -26,9 +26,11 @@ class LoginView extends BaseLoginView {
                 children: [
                   Center(child: SingleChildScrollView(child: _buildCenterForm(context), scrollDirection: Axis.vertical)),
                   Obx(() {
-                    return loginController.loginFormType.value == LoginFormType.credentialForm
-                      ? _buildBackButton(context)
-                      : const SizedBox.shrink();
+                    if (loginController.loginFormType.value == LoginFormType.credentialForm
+                      || loginController.loginFormType.value == LoginFormType.ssoForm) {
+                      return _buildBackButton(context);
+                    }
+                    return const SizedBox.shrink();
                   })
                 ]
               )
@@ -36,9 +38,11 @@ class LoginView extends BaseLoginView {
                 children: [
                   _buildCenterForm(context),
                   Obx(() {
-                    return loginController.loginFormType.value == LoginFormType.credentialForm
-                      ? _buildBackButton(context)
-                      : const SizedBox.shrink();
+                    if (loginController.loginFormType.value == LoginFormType.credentialForm
+                        || loginController.loginFormType.value == LoginFormType.ssoForm) {
+                      return _buildBackButton(context);
+                    }
+                    return const SizedBox.shrink();
                   })
                 ]
             ),
@@ -78,15 +82,23 @@ class LoginView extends BaseLoginView {
             Obx(() {
               switch (controller.loginFormType.value) {
                 case LoginFormType.baseUrlForm:
-                  return _supportScrollForm(context)
-                    ? _buildNextButton(context)
-                    : _buildExpandedButton(context, _buildNextButton(context));
+                  return Obx(() => loginController.loginState.value.viewState.fold(
+                    (failure) => _buildNextButtonInContext(context),
+                    (success) => success is LoginLoadingAction
+                      ? _buildLoadingCircularProgress()
+                      : _buildNextButtonInContext(context)));
                 case LoginFormType.credentialForm:
                   return Obx(() => loginController.loginState.value.viewState.fold(
                     (failure) => _buildLoginButtonInContext(context),
                     (success) => success is LoginLoadingAction
                       ? _buildLoadingCircularProgress()
                       : _buildLoginButtonInContext(context)));
+                case LoginFormType.ssoForm:
+                  return Obx(() => loginController.loginState.value.viewState.fold(
+                    (failure) => _buildLoginButtonInContext(context),
+                    (success) => success is LoginLoadingAction
+                      ? _buildLoadingCircularProgress()
+                      : _buildLoginButtonInContext(context)));
                 default:
                   return const SizedBox.shrink();
               }
@@ -166,6 +178,12 @@ class LoginView extends BaseLoginView {
     );
   }
 
+  Widget _buildNextButtonInContext(BuildContext context) {
+    return _supportScrollForm(context)
+      ? _buildNextButton(context)
+      : _buildExpandedButton(context, _buildNextButton(context));
+  }
+
   Widget _buildLoginButtonInContext(BuildContext context) {
     return _supportScrollForm(context)
       ? buildLoginButton(context)

lib/main/localizations/app_localizations.dart

@@ -1387,4 +1387,10 @@ class AppLocalizations {
       name: 'thisEmailAddressInvalid',
     );
   }
+
+  String get loginInputSSOMessage {
+    return Intl.message(
+        'Sign-in with my SSO account',
+        name: 'loginInputSSOMessage');
+  }
 }

model/lib/model.dart

@@ -72,3 +72,8 @@ export 'autocomplete/auto_complete_pattern.dart';
 
 // Identity
 export 'identity/identity_request_dto.dart';
+
+// OIDC
+export 'oidc/response/oidc_response.dart';
+export 'oidc/response/oidc_link_dto.dart';
+export 'oidc/request/oidc_request.dart';

model/lib/oidc/converter/uri_converter.dart

@@ -0,0 +1,12 @@
+
+import 'package:json_annotation/json_annotation.dart';
+
+class UriConverter implements JsonConverter<Uri, String> {
+  const UriConverter();
+
+  @override
+  Uri fromJson(String json) => Uri.parse(json);
+
+  @override
+  String toJson(Uri uri) => uri.path;
+}

model/lib/oidc/request/oidc_request.dart

@@ -0,0 +1,14 @@
+
+import 'package:equatable/equatable.dart';
+
+class OIDCRequest with EquatableMixin {
+
+  final String baseUrl;
+  final String resourceUrl = 'https://gateway.upn.integration-open-paas.org';
+  final String relUrl = 'http://openid.net/specs/connect/1.0/issuer';
+
+  OIDCRequest({required this.baseUrl});
+
+  @override
+  List<Object?> get props => [baseUrl, resourceUrl, relUrl];
+}

model/lib/oidc/response/oidc_link_dto.dart

@@ -0,0 +1,23 @@
+
+import 'package:equatable/equatable.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:model/oidc/converter/uri_converter.dart';
+
+part 'oidc_link_dto.g.dart';
+
+@UriConverter()
+@JsonSerializable()
+class OIDCLinkDto with EquatableMixin {
+
+  final Uri rel;
+  final Uri href;
+
+  OIDCLinkDto(this.rel, this.href);
+
+  factory OIDCLinkDto.fromJson(Map<String, dynamic> json) => _$OIDCLinkDtoFromJson(json);
+
+  Map<String, dynamic> toJson() => _$OIDCLinkDtoToJson(this);
+
+  @override
+  List<Object?> get props => [rel, href];
+}

model/lib/oidc/response/oidc_response.dart

@@ -0,0 +1,24 @@
+
+import 'package:equatable/equatable.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:model/oidc/converter/uri_converter.dart';
+import 'package:model/oidc/response/oidc_link_dto.dart';
+
+part 'oidc_response.g.dart';
+
+@UriConverter()
+@JsonSerializable()
+class OIDCResponse with EquatableMixin {
+
+  final String subject;
+  final List<OIDCLinkDto> links;
+
+  OIDCResponse(this.subject, this.links);
+
+  factory OIDCResponse.fromJson(Map<String, dynamic> json) => _$OIDCResponseFromJson(json);
+
+  Map<String, dynamic> toJson() => _$OIDCResponseToJson(this);
+
+  @override
+  List<Object?> get props => [subject, links];
+}