Proceso de lectura y envio completo

electron-builder.yml

@@ -11,6 +11,7 @@ files:
     - "!{tsconfig.json,tsconfig.node.json,tsconfig.web.json}"
 asarUnpack:
     - resources/**
+    - "**/node_modules/@tockawa/nfc-pcsc/**/*"
 win:
     executableName: nfc-app-desktop
 nsis:
@@ -18,6 +19,7 @@ nsis:
     shortcutName: ${productName}
     uninstallDisplayName: ${productName}
     createDesktopShortcut: always
+    oneClick: true
 mac:
     entitlementsInherit: build/entitlements.mac.plist
     extendInfo:
@@ -37,7 +39,8 @@ linux:
     category: Utility
 appImage:
     artifactName: ${name}-${version}.${ext}
-npmRebuild: false
+npmRebuild: true
+asar: true
 publish:
     provider: generic
     url: https://example.com/auto-updates

package-lock.json

@@ -1,20 +1,20 @@
 {
     "name": "nfc-app-desktop",
-    "version": "1.0.0",
+    "version": "1.1.0",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "nfc-app-desktop",
-            "version": "1.0.0",
+            "version": "1.1.0",
             "hasInstallScript": true,
             "dependencies": {
                 "@electron-toolkit/preload": "^3.0.2",
                 "@electron-toolkit/utils": "^4.0.0",
+                "@pokusew/pcsclite": "^0.6.0",
                 "@tockawa/nfc-pcsc": "latest",
-                "axios": "^1.13.6",
                 "electron-updater": "^6.3.9",
-                "nfc-pcsc": "latest"
+                "nfc-pcsc": "^0.8.1"
             },
             "devDependencies": {
                 "@electron-toolkit/eslint-config-prettier": "3.0.0",
@@ -3151,6 +3151,7 @@
             "version": "0.4.0",
             "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
             "integrity": "sha512-Oei9OH4tRh0YqU3GxhX79dM/mwVgvbZJaSNaRk+bshkj0S5cfHcgYakreBjrHwatXKbz+IoIdYLxrKim2MjW0Q==",
+            "dev": true,
             "license": "MIT"
         },
         "node_modules/at-least-node": {
@@ -3163,17 +3164,6 @@
                 "node": ">= 4.0.0"
             }
         },
-        "node_modules/axios": {
-            "version": "1.13.6",
-            "resolved": "https://registry.npmjs.org/axios/-/axios-1.13.6.tgz",
-            "integrity": "sha512-ChTCHMouEe2kn713WHbQGcuYrr6fXTBiu460OTwWrWob16g1bXn4vtz07Ope7ewMozJAnEquLk5lWQWtBig9DQ==",
-            "license": "MIT",
-            "dependencies": {
-                "follow-redirects": "^1.15.11",
-                "form-data": "^4.0.5",
-                "proxy-from-env": "^1.1.0"
-            }
-        },
         "node_modules/balanced-match": {
             "version": "4.0.4",
             "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-4.0.4.tgz",
@@ -3545,6 +3535,7 @@
             "version": "1.0.2",
             "resolved": "https://registry.npmjs.org/call-bind-apply-helpers/-/call-bind-apply-helpers-1.0.2.tgz",
             "integrity": "sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "es-errors": "^1.3.0",
@@ -3740,6 +3731,7 @@
             "version": "1.0.8",
             "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
             "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "delayed-stream": "~1.0.0"
@@ -3981,6 +3973,7 @@
             "version": "1.0.0",
             "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
             "integrity": "sha512-ZySD7Nf91aLB0RxL4KGrKHBXl7Eds1DAmEdcoVawXnLD7SDhpNgtuII2aAkg7a7QS41jxPSZ17p4VdGnMHk3MQ==",
+            "dev": true,
             "license": "MIT",
             "engines": {
                 "node": ">=0.4.0"
@@ -4160,6 +4153,7 @@
             "version": "1.0.1",
             "resolved": "https://registry.npmjs.org/dunder-proto/-/dunder-proto-1.0.1.tgz",
             "integrity": "sha512-KIN/nDJBQRcXw0MLVhZE9iQHmG68qAVIBg9CqmUYjmQIhgij9U5MFvrqkUL5FbtyyzZuOeOt0zdeRe4UY7ct+A==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "call-bind-apply-helpers": "^1.0.1",
@@ -4541,6 +4535,7 @@
             "version": "1.0.1",
             "resolved": "https://registry.npmjs.org/es-define-property/-/es-define-property-1.0.1.tgz",
             "integrity": "sha512-e3nRfgfUZ4rNGL232gUgX06QNyyez04KdjFrF+LTRoOXmrOgFKDg4BCdsjW8EnT69eqdYGmRpJwiPVYNrCaW3g==",
+            "devOptional": true,
             "license": "MIT",
             "engines": {
                 "node": ">= 0.4"
@@ -4550,6 +4545,7 @@
             "version": "1.3.0",
             "resolved": "https://registry.npmjs.org/es-errors/-/es-errors-1.3.0.tgz",
             "integrity": "sha512-Zf5H2Kxt2xjTvbJvP2ZWLEICxA6j+hAmMzIlypy4xcBg1vKVnx89Wy0GbS+kf5cwCVFFzdCFh2XSCFNULS6csw==",
+            "devOptional": true,
             "license": "MIT",
             "engines": {
                 "node": ">= 0.4"
@@ -4559,6 +4555,7 @@
             "version": "1.1.1",
             "resolved": "https://registry.npmjs.org/es-object-atoms/-/es-object-atoms-1.1.1.tgz",
             "integrity": "sha512-FGgH2h8zKNim9ljj7dankFPcICIK9Cp5bm+c2gQSYePhpaG5+esrLODihIorn+Pe6FGJzWhXQotPv73jTaldXA==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "es-errors": "^1.3.0"
@@ -4571,6 +4568,7 @@
             "version": "2.1.0",
             "resolved": "https://registry.npmjs.org/es-set-tostringtag/-/es-set-tostringtag-2.1.0.tgz",
             "integrity": "sha512-j6vWzfrGVfyXxge+O0x5sh6cvxAog0a/4Rdd2K36zCMV5eJ+/+tOAngRO8cODMNWbVRdVlmGZQL2YS3yR8bIUA==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "es-errors": "^1.3.0",
@@ -5128,26 +5126,6 @@
             "dev": true,
             "license": "ISC"
         },
-        "node_modules/follow-redirects": {
-            "version": "1.15.11",
-            "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.11.tgz",
-            "integrity": "sha512-deG2P0JfjrTxl50XGCDyfI97ZGVCxIpfKYmfyrQ54n5FO/0gfIES8C/Psl6kWVDolizcaaxZJnTS0QSMxvnsBQ==",
-            "funding": [
-                {
-                    "type": "individual",
-                    "url": "https://github.com/sponsors/RubenVerborgh"
-                }
-            ],
-            "license": "MIT",
-            "engines": {
-                "node": ">=4.0"
-            },
-            "peerDependenciesMeta": {
-                "debug": {
-                    "optional": true
-                }
-            }
-        },
         "node_modules/foreground-child": {
             "version": "3.3.1",
             "resolved": "https://registry.npmjs.org/foreground-child/-/foreground-child-3.3.1.tgz",
@@ -5182,6 +5160,7 @@
             "version": "4.0.5",
             "resolved": "https://registry.npmjs.org/form-data/-/form-data-4.0.5.tgz",
             "integrity": "sha512-8RipRLol37bNs2bhoV67fiTEvdTrbMUYcFTiy3+wuuOnUog2QBHCZWXDRijWQfAkhBj2Uf5UnVaiWwA5vdd82w==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "asynckit": "^0.4.0",
@@ -5247,6 +5226,7 @@
             "version": "1.1.2",
             "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.2.tgz",
             "integrity": "sha512-7XHNxH7qX9xG5mIwxkhumTox/MIRNcOgDrxWsMt2pAr23WHp6MrRlN7FBSFpCpr+oVO0F744iUgR82nJMfG2SA==",
+            "dev": true,
             "license": "MIT",
             "funding": {
                 "url": "https://github.com/sponsors/ljharb"
@@ -5276,6 +5256,7 @@
             "version": "1.3.0",
             "resolved": "https://registry.npmjs.org/get-intrinsic/-/get-intrinsic-1.3.0.tgz",
             "integrity": "sha512-9fSjSaos/fRIVIp+xSJlE6lfwhES7LNtKaCBIamHsjr2na1BiABJPo0mOjjz8GJDURarmCPGqaiVg5mfjb98CQ==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "call-bind-apply-helpers": "^1.0.2",
@@ -5300,6 +5281,7 @@
             "version": "1.0.1",
             "resolved": "https://registry.npmjs.org/get-proto/-/get-proto-1.0.1.tgz",
             "integrity": "sha512-sTSfBjoXBp89JvIKIefqw7U2CCebsc74kiY6awiGogKtoSGbgjYE/G/+l9sF3MWFPNc9IcoOC4ODfKHfxFmp0g==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "dunder-proto": "^1.0.1",
@@ -5455,6 +5437,7 @@
             "version": "1.2.0",
             "resolved": "https://registry.npmjs.org/gopd/-/gopd-1.2.0.tgz",
             "integrity": "sha512-ZUKRh6/kUFoAiTAtTYPZJ3hw9wNxx+BIBOijnlG9PnrJsCcSjs1wyyD6vJpaYtgnzDrKYRSqf3OO6Rfa93xsRg==",
+            "devOptional": true,
             "license": "MIT",
             "engines": {
                 "node": ">= 0.4"
@@ -5521,6 +5504,7 @@
             "version": "1.1.0",
             "resolved": "https://registry.npmjs.org/has-symbols/-/has-symbols-1.1.0.tgz",
             "integrity": "sha512-1cDNdwJ2Jaohmb3sg4OmKaMBwuC48sYni5HUw2DvsC8LjGTLK9h+eb1X6RyuOHe4hT0ULCW68iomhjUoKUqlPQ==",
+            "dev": true,
             "license": "MIT",
             "engines": {
                 "node": ">= 0.4"
@@ -5533,6 +5517,7 @@
             "version": "1.0.2",
             "resolved": "https://registry.npmjs.org/has-tostringtag/-/has-tostringtag-1.0.2.tgz",
             "integrity": "sha512-NqADB8VjPFLM2V0VvHUewwwsw0ZWBaIdgo+ieHtK3hasLz4qeCRjYcqfB6AQrBggRKppKF8L52/VqdVsO47Dlw==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "has-symbols": "^1.0.3"
@@ -5548,6 +5533,7 @@
             "version": "2.0.2",
             "resolved": "https://registry.npmjs.org/hasown/-/hasown-2.0.2.tgz",
             "integrity": "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "function-bind": "^1.1.2"
@@ -6116,6 +6102,7 @@
             "version": "1.1.0",
             "resolved": "https://registry.npmjs.org/math-intrinsics/-/math-intrinsics-1.1.0.tgz",
             "integrity": "sha512-/IXtbwEk5HTPyEwyKX6hGkYXxM9nbj64B+ilVJnC/R6B0pH5G4V3b0pVbL7DBj4tkhBAppbQUlf6F6Xl9LHu1g==",
+            "dev": true,
             "license": "MIT",
             "engines": {
                 "node": ">= 0.4"
@@ -6138,6 +6125,7 @@
             "version": "1.52.0",
             "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.52.0.tgz",
             "integrity": "sha512-sPU4uV7dYlvtWJxwwxHD0PuihVNiE7TyAbQ5SWxDCB9mUYvOgroQOwYQQOKPJ8CIbE+1ETVlOoK1UC2nU3gYvg==",
+            "dev": true,
             "license": "MIT",
             "engines": {
                 "node": ">= 0.6"
@@ -6147,6 +6135,7 @@
             "version": "2.1.35",
             "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.35.tgz",
             "integrity": "sha512-ZDY+bPm5zTTF+YpCrAU9nK0UgICYPT0QtT1NZWFv4s++TNkcgVaT0g6+4R2uI4MjQjzysHB1zxuWL50hzaeXiw==",
+            "dev": true,
             "license": "MIT",
             "dependencies": {
                 "mime-db": "1.52.0"
@@ -6999,12 +6988,6 @@
                 "signal-exit": "^3.0.2"
             }
         },
-        "node_modules/proxy-from-env": {
-            "version": "1.1.0",
-            "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
-            "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg==",
-            "license": "MIT"
-        },
         "node_modules/pump": {
             "version": "3.0.4",
             "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.4.tgz",

package.json

@@ -1,6 +1,6 @@
 {
     "name": "nfc-app-desktop",
-    "version": "1.0.0",
+    "version": "1.1.0",
     "description": "An Electron application with Vue and TypeScript",
     "main": "./out/main/index.js",
     "author": "example.com",
@@ -25,10 +25,10 @@
     "dependencies": {
         "@electron-toolkit/preload": "^3.0.2",
         "@electron-toolkit/utils": "^4.0.0",
+        "@pokusew/pcsclite": "^0.6.0",
         "@tockawa/nfc-pcsc": "latest",
-        "axios": "^1.13.6",
         "electron-updater": "^6.3.9",
-        "nfc-pcsc": "latest"
+        "nfc-pcsc": "^0.8.1"
     },
     "devDependencies": {
         "@electron-toolkit/eslint-config-prettier": "3.0.0",

src/main/handlers.ts

@@ -11,6 +11,7 @@ import { logger } from "./LogService";
  * @returns
  */
 export async function labelReqHandler(
+    //@ts-ignore: event no usado
     event: IpcMainInvokeEvent,
     data: CodeRequest,
 ): Promise<Result<string, CodeResponse>> {
@@ -89,7 +90,7 @@ export async function printReqHandler(
             res("ok");
         });
 
-        socket.on("timeout", (err) => {
+        socket.on("timeout", (err: unknown) => {
             if (finished) return;
             finished = true;
             logger.error("Print timeout", err);

src/main/index.ts

@@ -2,12 +2,31 @@ import { app, shell, BrowserWindow, ipcMain } from "electron";
 import { join } from "path";
 import { electronApp, optimizer, is } from "@electron-toolkit/utils";
 import icon from "../../resources/icon.png?asset";
-import { NfcService } from "../services/NfcService";
 import { labelReqHandler, printReqHandler } from "./handlers";
 import { logger } from "./LogService";
 import { createConnection } from "net";
+import { NfcService } from "../services/NfcService";
+
+// 1. Global Error Handling (CRITICAL: As early as possible)
+process.on("uncaughtException", (error) => {
+    logger.error("!!! UNCAUGHT EXCEPTION !!!", error);
+    console.error("Uncaught Exception:", error);
+    // Give some time for log to write before exit
+    setTimeout(() => app.quit(), 1000);
+});
+
+process.on("unhandledRejection", (reason) => {
+    logger.error("!!! UNHANDLED REJECTION !!!", reason);
+    console.error("Unhandled Rejection:", reason);
+});
+
+logger.info(">>> MAIN PROCESS BOOTSTRAP START <<<");
+logger.info(
+    `Platform: ${process.platform} | Arch: ${process.arch} | Version: ${app.getVersion()}`,
+);
 
 function createWindow(): void {
+    logger.info("Creating main window...");
     // Create the browser window.
     const mainWindow = new BrowserWindow({
         width: 900,
@@ -21,20 +40,31 @@ function createWindow(): void {
         },
     });
 
-    const nfcService = new NfcService((event) => {
+    let nfcService: NfcService | null = null;
-        if (!mainWindow.isDestroyed()) {
-            mainWindow.webContents.send(`nfc:${event.type}`, event);
-        }
-    });
 
     ipcMain.handle("nfc:getReaderName", () => {
-        return nfcService.getReaderName();
+        return nfcService ? nfcService.getReaderName() : "OFFLINE";
     });
 
     mainWindow.on("ready-to-show", () => {
         mainWindow.show();
     });
 
+    mainWindow.on("show", () => {
+        // 2. Initialize NFC AFTER window is ready to show (DEFERRED INIT)
+        logger.info("Deferred: Initializing NfcService...");
+        try {
+            nfcService = new NfcService((event) => {
+                if (!mainWindow.isDestroyed()) {
+                    mainWindow.webContents.send(`nfc:${event.type}`, event);
+                }
+            });
+            logger.info("Deferred: NfcService initialization finished.");
+        } catch (error) {
+            logger.error("Deferred: Failed to initialize NfcService", error);
+        }
+    });
+
     mainWindow.webContents.setWindowOpenHandler((details) => {
         shell.openExternal(details.url);
         return { action: "deny" };
@@ -106,14 +136,14 @@ app.whenReady().then(() => {
                     req(true);
                 });
 
-                socket.on("timeout", (err) => {
+                socket.on("timeout", (_) => {
                     if (finished) return;
                     finished = true;
                     socket.destroy();
                     rej(false);
                 });
 
-                socket.on("error", (err) => {
+                socket.on("error", (_) => {
                     if (finished) return;
                     finished = true;
                     socket.destroy();
@@ -123,7 +153,9 @@ app.whenReady().then(() => {
         },
     );
 
+    logger.info("App Ready. Creating main window...");
     createWindow();
+    logger.info("Main window creation triggered.");
 
     app.on("activate", function () {
         // On macOS it's common to re-create a window in the app when the

src/renderer/src/components/MainView.vue

@@ -31,13 +31,9 @@ onMounted(async () => {
 
     window.api.nfc.onTag((event) => {
         uid.value = event.uid;
+        readCard();
         readerState.value = "success";
 
-        // Reset state after 3 seconds
-        setTimeout(() => {
-            readerState.value = "waiting";
-            uid.value = null;
-        }, 3000);
     });
 
     window.api.nfc.onRemoved(() => {
@@ -45,7 +41,7 @@ onMounted(async () => {
         // Reset state after 3 seconds
         setTimeout(() => {
             readerState.value = "waiting";
-        }, 3000);
+        }, 1000);
     });
 
     window.api.nfc.onError((event) => {
@@ -86,7 +82,13 @@ const readCard = async (): Promise<void> => {
 
 
     // TODO: De momento está hardcodeado porque no se puede leer la tarjeta
-    const card_id = "019cdd39-fc08-7417-b16d-a78794a24c01";
+    const card_id = uid.value;
+    if (card_id == undefined) {
+        // TODO: LOG
+        console.error("Error leyendo el token de la tarjeta");
+        return;
+    }
+
     const override = false;
 
     const res = await loadLabel({

src/services/NfcService.ts

@@ -1,5 +1,72 @@
-import PCSC, { Tag, Reader } from "@tockawa/nfc-pcsc";
 import { logger } from "../main/LogService";
+import { NFC } from "nfc-pcsc";
+
+// @ts-expect-error: .
+function formatHexBuffer(buff: Buffer): string {
+    console.log("LEN:", buff.length);
+    const str = (
+        buff
+            .toString("hex")
+            .replace(/(.{2})/g, "$1 ")
+            .match(/.{1,48}/g) ?? [""]
+    ).join("\n");
+    return str;
+}
+
+function findIndexOfPattern(buff: Buffer, pattern: number[]): number {
+    if (pattern.length === 0) return -1;
+
+    for (let i = 0; i <= buff.length - pattern.length; i++) {
+        let coincidencia = true;
+
+        for (let j = 0; j < pattern.length; j++) {
+            if (buff[i + j] !== pattern[j]) {
+                coincidencia = false;
+                break;
+            }
+        }
+
+        if (coincidencia) return i; // Retorna el índice de inicio
+    }
+
+    return -1; // Retorna -1 si no encuentra nada
+}
+
+function findPublicToken(buff: Buffer): string {
+    /**
+     57 - EMV
+     13 - LEN (19)
+     [3B] 54 69 23 - PAN BIN
+     [5B] 08 79 39 81 68 - PAN REMANDER
+
+     [4B]
+     d - separador
+     29 09 - fecha de expiración
+     22 1 - codigo de servicio
+
+     [7B]
+     0 - separador
+     00 00 06 1 - public token (7)
+     97 5 - cvc
+     00 - public token (2)
+     f - padding
+     */
+    const BYTE_INICIO_TOKEN = 12;
+    const issuerData = [0x57];
+    const emvOffset = issuerData.length + 1;
+    const inicio = findIndexOfPattern(buff, issuerData);
+    const finIndex = inicio + emvOffset + buff[inicio + issuerData.length];
+    const issuerDataBuff = buff.subarray(inicio, finIndex);
+    const inicioData = emvOffset; // EMV + LEN
+    const inicioToken = inicioData + BYTE_INICIO_TOKEN;
+    const tokenbuff = issuerDataBuff.subarray(inicioToken);
+    const tokenstr = tokenbuff.toString("hex");
+    // El primer cuarteto es un 0 de separacion el último es una f de padding
+    const token = tokenstr.substring(1, 8) + tokenstr.substring(11, 13);
+    console.log("Public token", tokenstr, " - ", token);
+
+    return token;
+}
 
 export type NfcEvent =
     | { type: "tag"; uid: string }
@@ -7,15 +74,31 @@ export type NfcEvent =
     | { type: "reader"; name: string }
     | { type: "error"; message: string };
 
+// Estan hardcodeados pero en principio no deberia hacer falta más
+const commands = {
+    app: [0x00, 0xa4, 0x04, 0x00, 0x05, 0xa0, 0x00, 0x00, 0x00, 0x04, 0x00],
+    options: [0x80, 0xa8, 0x00, 0x00, 0x02, 0x83, 0x00, 0x00],
+    record: [0x00, 0xb2, 0x01, 0x14, 0x00],
+};
+/** PROVISIONAL */
 export class NfcService {
-    private nfc: PCSC;
+    private nfc: NFC;
     private onEvent?: (event: NfcEvent) => void;
     private currentReaderName: string = "OFFLINE";
 
     constructor(onEvent?: (event: NfcEvent) => void) {
-        this.nfc = new PCSC.default();
+        logger.info("NfcService: Constructor start");
+        try {
+            logger.info("NfcService: Creating PCSC instance...");
+            this.nfc = new NFC(console);
+            logger.info("NfcService: PCSC instance created.");
+        } catch (err) {
+            logger.error("NfcService: Failed to create PCSC instance", err);
+            throw err;
+        }
         this.onEvent = onEvent;
         this.init();
+        logger.info("NfcService: Constructor end");
     }
 
     public getReaderName(): string {
@@ -23,23 +106,60 @@ export class NfcService {
     }
 
     private init(): void {
-        this.nfc.on("reader", (reader: Reader) => {
+        logger.info(
+            "NfcService: Starting initialization and attaching listeners...",
+        );
+        this.nfc.on("reader", (reader) => {
             console.log(`Lector detectado: ${reader.name}`);
             logger.info(`NFC Reader detected: ${reader.name}`);
+            reader.aid = "a0000000041010";
+
             this.currentReaderName = reader.name;
             if (this.onEvent) {
                 this.onEvent({ type: "reader", name: reader.name });
             }
+            reader.autoProcessing = false;
 
-            reader.on("card", async (card: Tag) => {
+            reader.on("card", async (card) => {
-                console.log(`Tarjeta detectada! UID: ${card.uid}`);
+                const send = async (
-                logger.info(`NFC Tag detected: ${card.uid}`);
+                    cmd: number[],
+                    comment: string | null = null,
+                    responseMaxLength: number = 40,
+                ): Promise<Buffer<ArrayBufferLike>> => {
+                    const b = Buffer.from(cmd);
+                    console.log(
+                        (comment ? `[${comment}] ` : "") + `sending`,
+                        b,
+                    );
+                    const data = await reader.transmit(b, responseMaxLength);
+                    /*
+                    console.log(
+                        (comment ? `[${comment}] ` : "") + `received data \n`,
+                        formatHexBuffer(data),
+                    );
+                    */
+                    return data;
+                };
+
+                console.log(`Tarjeta detectada! UID: ${JSON.stringify(card)}`);
+                logger.info(`NFC Tag detected: ${JSON.stringify(card)}`);
+
+                await send(commands.app, "step 1 - select app", 255);
+                await send(commands.options, "step 2 - read options", 255);
+                const res3 = await send(
+                    commands.record,
+                    "step 3 - read record 2 - 1",
+                    255,
+                );
+
+                //decodeRecord(res3);
+                const token = findPublicToken(res3);
                 if (this.onEvent) {
-                    this.onEvent({ type: "tag", uid: card.uid });
+                    this.onEvent({ type: "tag", uid: token });
                 }
             });
 
-            reader.on("card.off", async (card: Tag) => {
+            reader.on("card.off", async (card) => {
                 console.log(`Tarjeta retirada: ${card.uid}`);
                 logger.info(`NFC Tag removed: ${card.uid}`);
                 if (this.onEvent) {
@@ -76,6 +196,7 @@ export class NfcService {
                 });
             }
         });
+        logger.info("NfcService: Initialization sequence complete.");
     }
 
     public stop(): void {