diff --git a/README.md b/README.md index 95d92b8..da2da2e 100644 --- a/README.md +++ b/README.md @@ -2,19 +2,20 @@ A Flutter plugin for authenticating a user with a web service, even if the web service is run by a third party. Most commonly used with OAuth2, but can be used with any web flow that can redirect to a custom scheme. -In the background, this plugin uses [`ASWebAuthenticationSession`][ASWebAuthenticationSession] on iOS 12+ and macOS 10.15+, [`SFAuthenticationSession`][SFAuthenticationSession] on iOS 11, and [Chrome Custom Tabs][Chrome Custom Tabs] on Android. You can build it with iOS 8+, but it is currently only supported by iOS 11 or higher. +In the background, this plugin uses [`ASWebAuthenticationSession`][ASWebAuthenticationSession] on iOS 12+ and macOS 10.15+, [`SFAuthenticationSession`][SFAuthenticationSession] on iOS 11, [`webkit2gtk`][webkit2gtk] on Linux and [Chrome Custom Tabs][Chrome Custom Tabs] on Android. You can build it with iOS 8+, but it is currently only supported by iOS 11 or higher. [ASWebAuthenticationSession]: https://developer.apple.com/documentation/authenticationservices/aswebauthenticationsession [SFAuthenticationSession]: https://developer.apple.com/documentation/safariservices/sfauthenticationsession +[webkit2gtk]: https://webkitgtk.org/ [Chrome Custom Tabs]: https://developer.chrome.com/multidevice/android/customtabs | **iOS** | **Android** | | ---------------------- | ------------------------------ | | ![iOS](screen-ios.gif) | ![Android](screen-android.gif) | -| **macOS** | -| -------------------------- | -| ![macOS](screen-macos.gif) | +| **macOS** | **Linux** | +| -------------------------- |----------------------------| +| ![macOS](screen-macos.gif) | ![Linux](screen-linux.gif) | ## Usage diff --git a/example/linux/.gitignore b/example/linux/.gitignore new file mode 100644 index 0000000..61e1259 --- /dev/null +++ b/example/linux/.gitignore @@ -0,0 +1,2 @@ +flutter/ephemeral +/cmake-build-debug/ diff --git a/example/linux/CMakeLists.txt b/example/linux/CMakeLists.txt new file mode 100644 index 0000000..d1f9422 --- /dev/null +++ b/example/linux/CMakeLists.txt @@ -0,0 +1,106 @@ +cmake_minimum_required(VERSION 3.10) +project(runner LANGUAGES CXX) + +set(BINARY_NAME "flutter_web_auth_example") +set(APPLICATION_ID "com.linusu.flutter_web_auth") + +cmake_policy(SET CMP0063 NEW) + +set(CMAKE_INSTALL_RPATH "$ORIGIN/lib") + +# Configure build options. +if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES) + set(CMAKE_BUILD_TYPE "Debug" CACHE + STRING "Flutter build mode" FORCE) + set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS + "Debug" "Profile" "Release") +endif() + +# Compilation settings that should be applied to most targets. +function(APPLY_STANDARD_SETTINGS TARGET) + target_compile_features(${TARGET} PUBLIC cxx_std_14) + target_compile_options(${TARGET} PRIVATE -Wall -Werror) + target_compile_options(${TARGET} PRIVATE "$<$>:-O3>") + target_compile_definitions(${TARGET} PRIVATE "$<$>:NDEBUG>") +endfunction() + +set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter") + +# Flutter library and tool build rules. +add_subdirectory(${FLUTTER_MANAGED_DIR}) + +# System-level dependencies. +find_package(PkgConfig REQUIRED) +pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) + +add_definitions(-DAPPLICATION_ID="${APPLICATION_ID}") + +# Application build +add_executable(${BINARY_NAME} + "main.cc" + "my_application.cc" + "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc" +) +apply_standard_settings(${BINARY_NAME}) +target_link_libraries(${BINARY_NAME} PRIVATE flutter) +target_link_libraries(${BINARY_NAME} PRIVATE PkgConfig::GTK) +add_dependencies(${BINARY_NAME} flutter_assemble) +# Only the install-generated bundle's copy of the executable will launch +# correctly, since the resources must in the right relative locations. To avoid +# people trying to run the unbundled copy, put it in a subdirectory instead of +# the default top-level location. +set_target_properties(${BINARY_NAME} + PROPERTIES + RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/intermediates_do_not_run" +) + +# Generated plugin build rules, which manage building the plugins and adding +# them to the application. +include(flutter/generated_plugins.cmake) + + +# === Installation === +# By default, "installing" just makes a relocatable bundle in the build +# directory. +set(BUILD_BUNDLE_DIR "${PROJECT_BINARY_DIR}/bundle") +if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT) + set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE) +endif() + +# Start with a clean build bundle directory every time. +install(CODE " + file(REMOVE_RECURSE \"${BUILD_BUNDLE_DIR}/\") + " COMPONENT Runtime) + +set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data") +set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib") + +install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" + COMPONENT Runtime) + +install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) + +if(PLUGIN_BUNDLED_LIBRARIES) + install(FILES "${PLUGIN_BUNDLED_LIBRARIES}" + DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() + +# Fully re-copy the assets directory on each build to avoid having stale files +# from a previous install. +set(FLUTTER_ASSET_DIR_NAME "flutter_assets") +install(CODE " + file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\") + " COMPONENT Runtime) +install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}" + DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime) + +# Install the AOT library on non-Debug builds only. +if(NOT CMAKE_BUILD_TYPE MATCHES "Debug") + install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}" + COMPONENT Runtime) +endif() diff --git a/example/linux/flutter/CMakeLists.txt b/example/linux/flutter/CMakeLists.txt new file mode 100644 index 0000000..a1da1b9 --- /dev/null +++ b/example/linux/flutter/CMakeLists.txt @@ -0,0 +1,91 @@ +cmake_minimum_required(VERSION 3.10) + +set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral") + +# Configuration provided via flutter tool. +include(${EPHEMERAL_DIR}/generated_config.cmake) + +# TODO: Move the rest of this into files in ephemeral. See +# https://github.com/flutter/flutter/issues/57146. + +# Serves the same purpose as list(TRANSFORM ... PREPEND ...), +# which isn't available in 3.10. +function(list_prepend LIST_NAME PREFIX) + set(NEW_LIST "") + foreach(element ${${LIST_NAME}}) + list(APPEND NEW_LIST "${PREFIX}${element}") + endforeach(element) + set(${LIST_NAME} "${NEW_LIST}" PARENT_SCOPE) +endfunction() + +# === Flutter Library === +# System-level dependencies. +find_package(PkgConfig REQUIRED) +pkg_check_modules(GTK REQUIRED IMPORTED_TARGET gtk+-3.0) +pkg_check_modules(GLIB REQUIRED IMPORTED_TARGET glib-2.0) +pkg_check_modules(GIO REQUIRED IMPORTED_TARGET gio-2.0) +pkg_check_modules(BLKID REQUIRED IMPORTED_TARGET blkid) +pkg_check_modules(LZMA REQUIRED IMPORTED_TARGET liblzma) + +set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/libflutter_linux_gtk.so") + +# Published to parent scope for install step. +set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE) +set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE) +set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE) +set(AOT_LIBRARY "${PROJECT_DIR}/build/lib/libapp.so" PARENT_SCOPE) + +list(APPEND FLUTTER_LIBRARY_HEADERS + "fl_basic_message_channel.h" + "fl_binary_codec.h" + "fl_binary_messenger.h" + "fl_dart_project.h" + "fl_engine.h" + "fl_json_message_codec.h" + "fl_json_method_codec.h" + "fl_message_codec.h" + "fl_method_call.h" + "fl_method_channel.h" + "fl_method_codec.h" + "fl_method_response.h" + "fl_plugin_registrar.h" + "fl_plugin_registry.h" + "fl_standard_message_codec.h" + "fl_standard_method_codec.h" + "fl_string_codec.h" + "fl_value.h" + "fl_view.h" + "flutter_linux.h" +) +list_prepend(FLUTTER_LIBRARY_HEADERS "${EPHEMERAL_DIR}/flutter_linux/") +add_library(flutter INTERFACE) +target_include_directories(flutter INTERFACE + "${EPHEMERAL_DIR}" +) +target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}") +target_link_libraries(flutter INTERFACE + PkgConfig::GTK + PkgConfig::GLIB + PkgConfig::GIO + PkgConfig::BLKID + PkgConfig::LZMA +) +add_dependencies(flutter flutter_assemble) + +# === Flutter tool backend === +# _phony_ is a non-existent file to force this command to run every time, +# since currently there's no way to get a full input/output list from the +# flutter tool. +add_custom_command( + OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS} + ${CMAKE_CURRENT_BINARY_DIR}/_phony_ + COMMAND ${CMAKE_COMMAND} -E env + ${FLUTTER_TOOL_ENVIRONMENT} + "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.sh" + linux-x64 ${CMAKE_BUILD_TYPE} + VERBATIM +) +add_custom_target(flutter_assemble DEPENDS + "${FLUTTER_LIBRARY}" + ${FLUTTER_LIBRARY_HEADERS} +) diff --git a/example/linux/flutter/generated_plugin_registrant.cc b/example/linux/flutter/generated_plugin_registrant.cc new file mode 100644 index 0000000..a2cfc2d --- /dev/null +++ b/example/linux/flutter/generated_plugin_registrant.cc @@ -0,0 +1,13 @@ +// +// Generated file. Do not edit. +// + +#include "generated_plugin_registrant.h" + +#include + +void fl_register_plugins(FlPluginRegistry* registry) { + g_autoptr(FlPluginRegistrar) flutter_web_auth_registrar = + fl_plugin_registry_get_registrar_for_plugin(registry, "FlutterWebAuthPlugin"); + flutter_web_auth_plugin_register_with_registrar(flutter_web_auth_registrar); +} diff --git a/example/linux/flutter/generated_plugin_registrant.h b/example/linux/flutter/generated_plugin_registrant.h new file mode 100644 index 0000000..9bf7478 --- /dev/null +++ b/example/linux/flutter/generated_plugin_registrant.h @@ -0,0 +1,13 @@ +// +// Generated file. Do not edit. +// + +#ifndef GENERATED_PLUGIN_REGISTRANT_ +#define GENERATED_PLUGIN_REGISTRANT_ + +#include + +// Registers Flutter plugins. +void fl_register_plugins(FlPluginRegistry* registry); + +#endif // GENERATED_PLUGIN_REGISTRANT_ diff --git a/example/linux/flutter/generated_plugins.cmake b/example/linux/flutter/generated_plugins.cmake new file mode 100644 index 0000000..6a1a4b0 --- /dev/null +++ b/example/linux/flutter/generated_plugins.cmake @@ -0,0 +1,16 @@ +# +# Generated file, do not edit. +# + +list(APPEND FLUTTER_PLUGIN_LIST + flutter_web_auth +) + +set(PLUGIN_BUNDLED_LIBRARIES) + +foreach(plugin ${FLUTTER_PLUGIN_LIST}) + add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/linux plugins/${plugin}) + target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin) + list(APPEND PLUGIN_BUNDLED_LIBRARIES $) + list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries}) +endforeach(plugin) diff --git a/example/linux/main.cc b/example/linux/main.cc new file mode 100644 index 0000000..e7c5c54 --- /dev/null +++ b/example/linux/main.cc @@ -0,0 +1,6 @@ +#include "my_application.h" + +int main(int argc, char** argv) { + g_autoptr(MyApplication) app = my_application_new(); + return g_application_run(G_APPLICATION(app), argc, argv); +} diff --git a/example/linux/my_application.cc b/example/linux/my_application.cc new file mode 100644 index 0000000..75aef20 --- /dev/null +++ b/example/linux/my_application.cc @@ -0,0 +1,104 @@ +#include "my_application.h" + +#include +#ifdef GDK_WINDOWING_X11 +#include +#endif + +#include "flutter/generated_plugin_registrant.h" + +struct _MyApplication { + GtkApplication parent_instance; + char** dart_entrypoint_arguments; +}; + +G_DEFINE_TYPE(MyApplication, my_application, GTK_TYPE_APPLICATION) + +// Implements GApplication::activate. +static void my_application_activate(GApplication* application) { + MyApplication* self = MY_APPLICATION(application); + GtkWindow* window = + GTK_WINDOW(gtk_application_window_new(GTK_APPLICATION(application))); + + // Use a header bar when running in GNOME as this is the common style used + // by applications and is the setup most users will be using (e.g. Ubuntu + // desktop). + // If running on X and not using GNOME then just use a traditional title bar + // in case the window manager does more exotic layout, e.g. tiling. + // If running on Wayland assume the header bar will work (may need changing + // if future cases occur). + gboolean use_header_bar = TRUE; +#ifdef GDK_WINDOWING_X11 + GdkScreen *screen = gtk_window_get_screen(window); + if (GDK_IS_X11_SCREEN(screen)) { + const gchar* wm_name = gdk_x11_screen_get_window_manager_name(screen); + if (g_strcmp0(wm_name, "GNOME Shell") != 0) { + use_header_bar = FALSE; + } + } +#endif + if (use_header_bar) { + GtkHeaderBar *header_bar = GTK_HEADER_BAR(gtk_header_bar_new()); + gtk_widget_show(GTK_WIDGET(header_bar)); + gtk_header_bar_set_title(header_bar, "flutter_web_auth_example"); + gtk_header_bar_set_show_close_button(header_bar, TRUE); + gtk_window_set_titlebar(window, GTK_WIDGET(header_bar)); + } + else { + gtk_window_set_title(window, "flutter_web_auth_example"); + } + + gtk_window_set_default_size(window, 1280, 720); + gtk_widget_show(GTK_WIDGET(window)); + + g_autoptr(FlDartProject) project = fl_dart_project_new(); + fl_dart_project_set_dart_entrypoint_arguments(project, self->dart_entrypoint_arguments); + + FlView* view = fl_view_new(project); + gtk_widget_show(GTK_WIDGET(view)); + gtk_container_add(GTK_CONTAINER(window), GTK_WIDGET(view)); + + fl_register_plugins(FL_PLUGIN_REGISTRY(view)); + + gtk_widget_grab_focus(GTK_WIDGET(view)); +} + +// Implements GApplication::local_command_line. +static gboolean my_application_local_command_line(GApplication* application, gchar ***arguments, int *exit_status) { + MyApplication* self = MY_APPLICATION(application); + // Strip out the first argument as it is the binary name. + self->dart_entrypoint_arguments = g_strdupv(*arguments + 1); + + g_autoptr(GError) error = nullptr; + if (!g_application_register(application, nullptr, &error)) { + g_warning("Failed to register: %s", error->message); + *exit_status = 1; + return TRUE; + } + + g_application_activate(application); + *exit_status = 0; + + return TRUE; +} + +// Implements GObject::dispose. +static void my_application_dispose(GObject *object) { + MyApplication* self = MY_APPLICATION(object); + g_clear_pointer(&self->dart_entrypoint_arguments, g_strfreev); + G_OBJECT_CLASS(my_application_parent_class)->dispose(object); +} + +static void my_application_class_init(MyApplicationClass* klass) { + G_APPLICATION_CLASS(klass)->activate = my_application_activate; + G_APPLICATION_CLASS(klass)->local_command_line = my_application_local_command_line; + G_OBJECT_CLASS(klass)->dispose = my_application_dispose; +} + +static void my_application_init(MyApplication* self) {} + +MyApplication* my_application_new() { + return MY_APPLICATION(g_object_new(my_application_get_type(), + "application-id", APPLICATION_ID, + nullptr)); +} diff --git a/example/linux/my_application.h b/example/linux/my_application.h new file mode 100644 index 0000000..72271d5 --- /dev/null +++ b/example/linux/my_application.h @@ -0,0 +1,18 @@ +#ifndef FLUTTER_MY_APPLICATION_H_ +#define FLUTTER_MY_APPLICATION_H_ + +#include + +G_DECLARE_FINAL_TYPE(MyApplication, my_application, MY, APPLICATION, + GtkApplication) + +/** + * my_application_new: + * + * Creates a new Flutter-based application. + * + * Returns: a new #MyApplication. + */ +MyApplication* my_application_new(); + +#endif // FLUTTER_MY_APPLICATION_H_ diff --git a/example/pubspec.lock b/example/pubspec.lock index aac2113..1d4fed7 100644 --- a/example/pubspec.lock +++ b/example/pubspec.lock @@ -106,7 +106,7 @@ packages: name: source_span url: "https://pub.dartlang.org" source: hosted - version: "1.8.1" + version: "1.8.0" stack_trace: dependency: transitive description: @@ -158,3 +158,4 @@ packages: version: "2.1.0" sdks: dart: ">=2.12.0 <3.0.0" + flutter: ">=2.0.0" diff --git a/example/test/widget_test.dart b/example/test/widget_test.dart new file mode 100644 index 0000000..5a898f3 --- /dev/null +++ b/example/test/widget_test.dart @@ -0,0 +1,27 @@ +// This is a basic Flutter widget test. +// +// To perform an interaction with a widget in your test, use the WidgetTester +// utility that Flutter provides. For example, you can send tap and scroll +// gestures. You can also use WidgetTester to find child widgets in the widget +// tree, read text, and verify that the values of widget properties are correct. + +import 'package:flutter/material.dart'; +import 'package:flutter_test/flutter_test.dart'; + +import 'package:flutter_web_auth_example/main.dart'; + +void main() { + testWidgets('Verify Platform version', (WidgetTester tester) async { + // Build our app and trigger a frame. + await tester.pumpWidget(MyApp()); + + // Verify that platform version is retrieved. + expect( + find.byWidgetPredicate( + (Widget widget) => widget is Text && + widget.data.startsWith('Running on:'), + ), + findsOneWidget, + ); + }); +} diff --git a/linux/CMakeLists.txt b/linux/CMakeLists.txt new file mode 100644 index 0000000..a6c1445 --- /dev/null +++ b/linux/CMakeLists.txt @@ -0,0 +1,27 @@ +cmake_minimum_required(VERSION 3.10) +set(PROJECT_NAME "flutter_web_auth") +project(${PROJECT_NAME} LANGUAGES CXX) + +# This value is used when generating builds using this plugin, so it must +# not be changed +set(PLUGIN_NAME "flutter_web_auth_plugin") + +pkg_check_modules(WEBKIT REQUIRED IMPORTED_TARGET webkit2gtk-4.0) +add_library(${PLUGIN_NAME} SHARED + "flutter_web_auth_plugin.cc" +) +apply_standard_settings(${PLUGIN_NAME}) +set_target_properties(${PLUGIN_NAME} PROPERTIES + CXX_VISIBILITY_PRESET hidden) +target_compile_definitions(${PLUGIN_NAME} PRIVATE FLUTTER_PLUGIN_IMPL) +target_include_directories(${PLUGIN_NAME} INTERFACE + "${CMAKE_CURRENT_SOURCE_DIR}/include") +target_link_libraries(${PLUGIN_NAME} PRIVATE flutter) +target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::GTK) +target_link_libraries(${PLUGIN_NAME} PRIVATE PkgConfig::WEBKIT) + +# List of absolute paths to libraries that should be bundled with the plugin +set(flutter_web_auth_bundled_libraries + "" + PARENT_SCOPE +) diff --git a/linux/flutter_web_auth_plugin.cc b/linux/flutter_web_auth_plugin.cc new file mode 100644 index 0000000..c647fca --- /dev/null +++ b/linux/flutter_web_auth_plugin.cc @@ -0,0 +1,146 @@ +#include "include/flutter_web_auth/flutter_web_auth_plugin.h" + +#include +#include +#include +#include +#include + +#include + +#define FLUTTER_WEB_AUTH_PLUGIN(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj), flutter_web_auth_plugin_get_type(), \ + FlutterWebAuthPlugin)) + +struct _FlutterWebAuthPlugin { + GObject parent_instance; + GtkWindow *window; +}; + + +G_DEFINE_TYPE(FlutterWebAuthPlugin, flutter_web_auth_plugin, g_object_get_type()) + + +static gboolean +navigate(WebKitWebView *web_view, + WebKitLoadEvent load_event, + gchar *failing_uri, + gpointer error, + gpointer user_data) { + std::string url = failing_uri; + auto method_call = static_cast(user_data); + auto args = fl_method_call_get_args(method_call); + auto callbackSchema = fl_value_get_string(fl_value_lookup_string(args, "callbackUrlScheme")); + if (url.rfind(callbackSchema) == 0) { + auto response = FL_METHOD_RESPONSE(fl_method_success_response_new(fl_value_new_string(failing_uri))); + fl_method_call_respond(method_call, response, nullptr); + auto parent = gtk_widget_get_parent(GTK_WIDGET(web_view)); + while(!GTK_IS_DIALOG(parent)) { + parent = gtk_widget_get_parent(GTK_WIDGET(parent)); + if (parent == nullptr) return true; + } + gtk_dialog_response(GTK_DIALOG(parent), GTK_RESPONSE_ACCEPT); + gtk_widget_destroy(GTK_WIDGET(parent)); + return true; + } + return false; +} + + +static GtkDialog* +open_authorize_dialog(gpointer parent, FlMethodCall* method_call) { + auto dialog = gtk_dialog_new_with_buttons("Authorize", + GTK_WINDOW(parent), + GTK_DIALOG_MODAL, + "_Cancel", + GTK_RESPONSE_CANCEL, + NULL); + auto args = fl_method_call_get_args(method_call); + auto url = fl_value_get_string(fl_value_lookup_string(args, "url")); + + // create a dialog with a webkit web view loading url inside + auto content_area = gtk_dialog_get_content_area(GTK_DIALOG (dialog)); + auto web_view = webkit_web_view_new(); + auto scrolled = gtk_scrolled_window_new(nullptr, nullptr); + gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled), GTK_POLICY_ALWAYS, GTK_POLICY_ALWAYS); + gtk_widget_set_size_request(scrolled, 480, 720); + gtk_box_pack_start(GTK_BOX(content_area), scrolled, true, true, 0); + gtk_container_add(GTK_CONTAINER(scrolled), web_view); + webkit_web_view_load_uri(WEBKIT_WEB_VIEW(web_view), url); + + g_signal_connect(web_view, "load-failed", G_CALLBACK(navigate), g_object_ref(method_call)); + gtk_widget_show_all(dialog); + + return GTK_DIALOG(dialog); +} + + +// Called when a method call is received from Flutter. +static void flutter_web_auth_plugin_handle_method_call( + FlutterWebAuthPlugin *self, + FlMethodCall *method_call) { + g_autoptr(FlMethodResponse) response = nullptr; + + const gchar *method = fl_method_call_get_name(method_call); + + if (strcmp(method, "getPlatformVersion") == 0) { + struct utsname uname_data = {}; + uname(&uname_data); + g_autofree gchar *version = g_strdup_printf("Linux %s", uname_data.version); + g_autoptr(FlValue) result = fl_value_new_string(version); + response = FL_METHOD_RESPONSE(fl_method_success_response_new(result)); + } else if (strcmp(method, "authenticate") == 0) { + auto dialog = open_authorize_dialog(self->window, method_call); + int result = gtk_dialog_run (GTK_DIALOG (dialog)); + if(result == GTK_RESPONSE_ACCEPT) { + // response is already sent by webview + return; + } + // not accepted, user canceled login + gtk_widget_destroy(GTK_WIDGET(dialog)); + response = FL_METHOD_RESPONSE(fl_method_error_response_new("CANCELED", "User canceled login", nullptr)); + } else { + response = FL_METHOD_RESPONSE(fl_method_not_implemented_response_new()); + } + + fl_method_call_respond(method_call, response, nullptr); +} + +static void flutter_web_auth_plugin_dispose(GObject *object) { + G_OBJECT_CLASS(flutter_web_auth_plugin_parent_class)->dispose(object); +} + +static void flutter_web_auth_plugin_class_init(FlutterWebAuthPluginClass *klass) { + G_OBJECT_CLASS(klass)->dispose = flutter_web_auth_plugin_dispose; +} + +static void flutter_web_auth_plugin_init(FlutterWebAuthPlugin *self) {} + +static void method_call_cb(FlMethodChannel *channel, FlMethodCall *method_call, + gpointer user_data) { + FlutterWebAuthPlugin *plugin = FLUTTER_WEB_AUTH_PLUGIN(user_data); + flutter_web_auth_plugin_handle_method_call(plugin, method_call); +} + +void flutter_web_auth_plugin_register_with_registrar(FlPluginRegistrar *registrar) { + FlutterWebAuthPlugin *plugin = FLUTTER_WEB_AUTH_PLUGIN( + g_object_new(flutter_web_auth_plugin_get_type(), nullptr)); + + FlView *view = fl_plugin_registrar_get_view(registrar); + GtkWindow *window = nullptr; + if (view != nullptr) { + window =GTK_WINDOW(gtk_widget_get_toplevel(GTK_WIDGET(view))); + } + plugin->window = window; + + g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new(); + g_autoptr(FlMethodChannel) channel = + fl_method_channel_new(fl_plugin_registrar_get_messenger(registrar), + "flutter_web_auth", + FL_METHOD_CODEC(codec)); + fl_method_channel_set_method_call_handler(channel, method_call_cb, + g_object_ref(plugin), + g_object_unref); + + g_object_unref(plugin); +} diff --git a/linux/include/flutter_web_auth/flutter_web_auth_plugin.h b/linux/include/flutter_web_auth/flutter_web_auth_plugin.h new file mode 100644 index 0000000..f757c95 --- /dev/null +++ b/linux/include/flutter_web_auth/flutter_web_auth_plugin.h @@ -0,0 +1,26 @@ +#ifndef FLUTTER_PLUGIN_FLUTTER_WEB_AUTH_PLUGIN_H_ +#define FLUTTER_PLUGIN_FLUTTER_WEB_AUTH_PLUGIN_H_ + +#include + +G_BEGIN_DECLS + +#ifdef FLUTTER_PLUGIN_IMPL +#define FLUTTER_PLUGIN_EXPORT __attribute__((visibility("default"))) +#else +#define FLUTTER_PLUGIN_EXPORT +#endif + +typedef struct _FlutterWebAuthPlugin FlutterWebAuthPlugin; +typedef struct { + GObjectClass parent_class; +} FlutterWebAuthPluginClass; + +FLUTTER_PLUGIN_EXPORT GType flutter_web_auth_plugin_get_type(); + +FLUTTER_PLUGIN_EXPORT void flutter_web_auth_plugin_register_with_registrar( + FlPluginRegistrar* registrar); + +G_END_DECLS + +#endif // FLUTTER_PLUGIN_FLUTTER_WEB_AUTH_PLUGIN_H_ diff --git a/pubspec.lock b/pubspec.lock index e6d9ebc..19e8f69 100644 --- a/pubspec.lock +++ b/pubspec.lock @@ -92,7 +92,7 @@ packages: name: source_span url: "https://pub.dartlang.org" source: hosted - version: "1.8.1" + version: "1.8.0" stack_trace: dependency: transitive description: diff --git a/pubspec.yaml b/pubspec.yaml index 708e0fd..2ac185c 100644 --- a/pubspec.yaml +++ b/pubspec.yaml @@ -33,7 +33,8 @@ flutter: pluginClass: FlutterWebAuthPlugin macos: pluginClass: FlutterWebAuthPlugin - + linux: + pluginClass: FlutterWebAuthPlugin # To add assets to your plugin package, add an assets section, like this: # assets: # - images/a_dot_burr.jpeg diff --git a/screen-linux.gif b/screen-linux.gif new file mode 100644 index 0000000..44ec809 Binary files /dev/null and b/screen-linux.gif differ