RFID: More user-friendly RAW emulation

Made by Dan Caprita <dan@caprita.ro>

https://forum.flipperzero.one/t/electra-intercom/6368/43

applications/main/lfrfid/lfrfid.c

@@ -243,6 +243,27 @@ bool lfrfid_load_key_from_file_select(LfRfid* app) {
     return result;
 }
 
+bool lfrfid_load_raw_key_from_file_select(LfRfid* app) {
+    furi_assert(app);
+
+    DialogsFileBrowserOptions browser_options;
+    dialog_file_browser_set_basic_options(
+        &browser_options, LFRFID_APP_RAW_ASK_EXTENSION, &I_125_10px);
+    browser_options.base_path = LFRFID_APP_FOLDER;
+
+    // Input events and views are managed by file_browser
+    bool result =
+        dialog_file_browser_show(app->dialogs, app->file_path, app->file_path, &browser_options);
+
+    if(result) {
+        // Extract .raw and then .ask
+        path_extract_filename(app->file_path, app->file_name, true);
+        path_extract_filename(app->file_name, app->file_name, true);
+    }
+
+    return result;
+}
+
 bool lfrfid_delete_key(LfRfid* app) {
     furi_assert(app);
 

applications/main/lfrfid/lfrfid_i.h

@@ -125,6 +125,8 @@ bool lfrfid_save_key(LfRfid* app);
 
 bool lfrfid_load_key_from_file_select(LfRfid* app);
 
+bool lfrfid_load_raw_key_from_file_select(LfRfid* app);
+
 bool lfrfid_delete_key(LfRfid* app);
 
 bool lfrfid_load_key_data(LfRfid* app, FuriString* path, bool show_dialog);

applications/main/lfrfid/scenes/lfrfid_scene_config.h

@@ -22,4 +22,6 @@ ADD_SCENE(lfrfid, raw_info, RawInfo)
 ADD_SCENE(lfrfid, raw_name, RawName)
 ADD_SCENE(lfrfid, raw_read, RawRead)
 ADD_SCENE(lfrfid, raw_success, RawSuccess)
+ADD_SCENE(lfrfid, raw_emulate, RawEmulate)
+ADD_SCENE(lfrfid, select_raw_key, SelectRawKey)
 ADD_SCENE(lfrfid, rpc, Rpc)

applications/main/lfrfid/scenes/lfrfid_scene_extra_actions.c

@@ -6,6 +6,7 @@ typedef enum {
     SubmenuIndexPSK,
     SubmenuIndexClearT5577,
     SubmenuIndexRAW,
+    SubmenuIndexRAWEmulate,
 } SubmenuIndex;
 
 static void lfrfid_scene_extra_actions_submenu_callback(void* context, uint32_t index) {
@@ -44,6 +45,12 @@ void lfrfid_scene_extra_actions_on_enter(void* context) {
             SubmenuIndexRAW,
             lfrfid_scene_extra_actions_submenu_callback,
             app);
+        submenu_add_item(
+            submenu,
+            "Emulate RAW RFID data",
+            SubmenuIndexRAWEmulate,
+            lfrfid_scene_extra_actions_submenu_callback,
+            app);
     }
 
     submenu_set_selected_item(
@@ -78,6 +85,9 @@ bool lfrfid_scene_extra_actions_on_event(void* context, SceneManagerEvent event)
         } else if(event.event == SubmenuIndexRAW) {
             scene_manager_next_scene(app->scene_manager, LfRfidSceneRawName);
             consumed = true;
+        } else if(event.event == SubmenuIndexRAWEmulate) {
+            scene_manager_next_scene(app->scene_manager, LfRfidSceneSelectRawKey);
+            consumed = true;
         }
         scene_manager_set_scene_state(app->scene_manager, LfRfidSceneExtraActions, event.event);
     }

applications/main/lfrfid/scenes/lfrfid_scene_raw_emulate.c

@@ -0,0 +1,86 @@
+#include "../lfrfid_i.h"
+
+#define TAG "ADC"
+
+typedef struct {
+    FuriString* string_file_name;
+    bool error;
+} LfRfidEmulateRawState;
+
+static void lfrfid_raw_emulate_callback(LFRFIDWorkerEmulateRawResult result, void* context) {
+    LfRfid* app = context;
+
+    if(result == LFRFIDWorkerEmulateRawFileError) {
+        view_dispatcher_send_custom_event(app->view_dispatcher, LfRfidEventReadError);
+    } else if(result == LFRFIDWorkerEmulateRawOverrun) {
+        view_dispatcher_send_custom_event(app->view_dispatcher, LfRfidEventReadOverrun);
+    }
+}
+
+void lfrfid_scene_raw_emulate_on_enter(void* context) {
+    LfRfid* app = context;
+    Popup* popup = app->popup;
+
+    LfRfidEmulateRawState* state = malloc(sizeof(LfRfidEmulateRawState));
+    scene_manager_set_scene_state(app->scene_manager, LfRfidSceneRawEmulate, (uint32_t)state);
+    state->string_file_name = furi_string_alloc();
+
+    popup_set_icon(popup, 0, 3, &I_RFIDDolphinReceive_97x61);
+    view_dispatcher_switch_to_view(app->view_dispatcher, LfRfidViewPopup);
+    lfrfid_worker_start_thread(app->lfworker);
+    lfrfid_make_app_folder(app);
+
+    furi_string_printf(
+        state->string_file_name,
+        "%s/%s%s",
+        LFRFID_SD_FOLDER,
+        furi_string_get_cstr(app->file_name),
+        LFRFID_APP_RAW_ASK_EXTENSION);
+    FURI_LOG_D(TAG, "raw_emulate->file_name=%s", furi_string_get_cstr(state->string_file_name));
+    popup_set_header(popup, "Emulating\nRAW RFID\nASK", 89, 30, AlignCenter, AlignTop);
+    lfrfid_worker_emulate_raw_start(
+        app->lfworker,
+        furi_string_get_cstr(state->string_file_name),
+        lfrfid_raw_emulate_callback,
+        app);
+
+    notification_message(app->notifications, &sequence_blink_start_cyan);
+
+    state->error = false;
+}
+
+bool lfrfid_scene_raw_emulate_on_event(void* context, SceneManagerEvent event) {
+    LfRfid* app = context;
+    Popup* popup = app->popup;
+    LfRfidEmulateRawState* state = (LfRfidEmulateRawState*)scene_manager_get_scene_state(
+        app->scene_manager, LfRfidSceneRawEmulate);
+    bool consumed = false;
+
+    furi_assert(state);
+
+    if(event.type == SceneManagerEventTypeCustom) {
+        if(event.event == LfRfidEventReadError) {
+            consumed = true;
+            state->error = true;
+            popup_set_header(
+                popup, "Reading\nRAW RFID\nFile error", 89, 30, AlignCenter, AlignTop);
+            notification_message(app->notifications, &sequence_blink_start_red);
+        }
+    }
+
+    return consumed;
+}
+
+void lfrfid_scene_raw_emulate_on_exit(void* context) {
+    LfRfid* app = context;
+    LfRfidEmulateRawState* state = (LfRfidEmulateRawState*)scene_manager_get_scene_state(
+        app->scene_manager, LfRfidSceneRawEmulate);
+
+    notification_message(app->notifications, &sequence_blink_stop);
+    popup_reset(app->popup);
+    lfrfid_worker_stop(app->lfworker);
+    lfrfid_worker_stop_thread(app->lfworker);
+
+    furi_string_free(state->string_file_name);
+    free(state);
+}

applications/main/lfrfid/scenes/lfrfid_scene_select_raw_key.c

@@ -0,0 +1,23 @@
+#include "../lfrfid_i.h"
+
+void lfrfid_scene_select_raw_key_on_enter(void* context) {
+    LfRfid* app = context;
+
+    if(lfrfid_load_raw_key_from_file_select(app)) {
+        scene_manager_next_scene(app->scene_manager, LfRfidSceneRawEmulate);
+
+    } else {
+        scene_manager_previous_scene(app->scene_manager);
+    }
+}
+
+bool lfrfid_scene_select_raw_key_on_event(void* context, SceneManagerEvent event) {
+    UNUSED(context);
+    UNUSED(event);
+    bool consumed = false;
+    return consumed;
+}
+
+void lfrfid_scene_select_raw_key_on_exit(void* context) {
+    UNUSED(context);
+}