+ Decryption is performed entirely in your browser. No file or password is ever sent to a server. A new, unlocked copy will be downloaded to your device.
+
+
+
+ {/* CTA */}
+
+ {isLocked ? (
+
+ ) : (
+
+ )}
+
+
+
+
+ )}
+
+ );
+}
+
+export default UnlockPdf;
\ No newline at end of file
diff --git a/src/providers/Web3Provider.test.jsx b/src/providers/Web3Provider.test.jsx
index da0fcfb..932e5eb 100644
--- a/src/providers/Web3Provider.test.jsx
+++ b/src/providers/Web3Provider.test.jsx
@@ -1,20 +1,21 @@
-import {describe, it, expect, vi, beforeEach} from 'vitest';
+import { describe, it, expect, vi, beforeEach } from 'vitest';
const getDefaultConfigMock = vi.fn();
-//mock all the libraries, so that it doesn't run out of time!
+// Mock all the Web3 libraries to prevent infinite background network polling
vi.mock('@rainbow-me/rainbowkit', () => ({
getDefaultConfig: (args) => {
getDefaultConfigMock(args);
- return {};
+ return { connectors: [] }; // Return a dummy object so Wagmi doesn't crash
},
- RainbowKitProvider: ({ children }) => children, // Just pass the UI through
+ RainbowKitProvider: ({ children }) => children,
darkTheme: vi.fn(),
}));
vi.mock('wagmi', () => ({
WagmiProvider: ({ children }) => children,
-
+ createConfig: vi.fn(),
+ http: vi.fn(),
}));
vi.mock('@tanstack/react-query', () => ({
@@ -22,34 +23,41 @@ vi.mock('@tanstack/react-query', () => ({
QueryClientProvider: ({ children }) => children,
}));
-describe('Web3Provider Fallback', () => {
-
- // This is the Spy where we clean up previously run test
- beforeEach(() => {
- vi.resetModules(); //This resets
- vi.restoreAllMocks();
- });
-
- it('should trigger the NSoC Dev Tip warning when no Project ID is provided', async () => {
- // //Let's think we don't have the projectID
- // //stub here means forcing to be empty
- // vi.stubEnv('VITE_WALLETCONNECT_PROJECT_ID', ' ');
-
- //This is hidden camera on console.warn
- // const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
-
-
- //importing the code to execute this logic
- await import('./Web3Provider');
-
- //verify the results
- // expect(warnSpy).toHaveBeenCalledWith(
- // expect.stringContaining("NSoC Dev Tip")
- // );
-
- const lastCall = getDefaultConfigMock.mock.calls[0][0];
-
- expect(lastCall.projectId).toBe("3324687d602334057884d59a72179836");
- },15000);
-});
+// CRITICAL: Mock Reown/AppKit/Web3Modal to stop background network requests!
+vi.mock('@reown/appkit/react', () => ({
+ createAppKit: vi.fn(),
+}));
+vi.mock('@web3modal/wagmi/react', () => ({
+ createWeb3Modal: vi.fn(),
+}));
+describe('Web3Provider Fallback', () => {
+ beforeEach(() => {
+ // Reset modules ensures the dynamic import runs fresh every time
+ vi.resetModules();
+ vi.restoreAllMocks();
+ });
+
+ it('should trigger the NSoC Dev Tip warning when no Project ID is provided', async () => {
+ // 1. Force the environment variable to be empty so the fallback triggers
+ vi.stubEnv('VITE_WALLETCONNECT_PROJECT_ID', '');
+
+ // 2. Hide the console.warn output but spy on it
+ const warnSpy = vi.spyOn(console, 'warn').mockImplementation(() => {});
+
+ // 3. Dynamically import the provider to execute top-level logic
+ await import('./Web3Provider');
+
+ // 4. Verify the fallback warning was printed to the console
+ expect(warnSpy).toHaveBeenCalledWith(
+ expect.stringContaining("NSoC Dev Tip")
+ );
+
+ // 5. Verify the fallback ID was properly passed into the RainbowKit config
+ const lastCall = getDefaultConfigMock.mock.calls[0][0];
+ expect(lastCall.projectId).toBe("3324687d602334057884d59a72179836");
+
+ // 6. Clean up the mocked environment
+ vi.unstubAllEnvs();
+ });
+});
\ No newline at end of file
diff --git a/src/services/pdf.service.js b/src/services/pdf.service.js
index 93a0502..5fd65c7 100644
--- a/src/services/pdf.service.js
+++ b/src/services/pdf.service.js
@@ -1,5 +1,6 @@
import { PDFDocument, rgb, degrees, StandardFonts } from "pdf-lib";
import { encryptPDF } from "@pdfsmaller/pdf-encrypt-lite";
+import { decryptPDF } from "@pdfsmaller/pdf-decrypt-lite";
import * as pdfjsLib from "pdfjs-dist";
// Let Vite point pdf.js at the bundled worker for us.
@@ -422,6 +423,37 @@ export const lockPdf = async (file, userPassword, ownerPassword) => {
return new Blob([encryptedBytes], { type: "application/pdf" });
};
+/**
+ * Decrypts a locked PDF and returns a password-free Blob.
+ *
+ * @param {File} file - The locked PDF file.
+ * @param {string} password - The password to unlock the PDF.
+ * @returns {Promise} - The unlocked PDF as a Blob.
+ */
+export const unlockPdf = async (file, password) => {
+ if (!file) throw new Error("No file provided.");
+ if (!password) throw new Error("A password is required.");
+
+ try {
+ const arrayBuffer = await file.arrayBuffer();
+ const encryptedBytes = new Uint8Array(arrayBuffer);
+
+ // 1. Decrypt the raw bytes using the client-side decryption engine
+ const decryptedBytes = await decryptPDF(encryptedBytes, password);
+
+ // 2. Load the decrypted bytes into pdf-lib to ensure it is structurally
+ // sound and to let pdf-lib cleanly rebuild the PDF without any residual
+ // encryption dictionary metadata.
+ const pdfDoc = await PDFDocument.load(decryptedBytes);
+ const finalBytes = await pdfDoc.save();
+
+ return new Blob([finalBytes], { type: 'application/pdf' });
+ } catch (error) {
+ console.error("Error unlocking PDF:", error);
+ // If the password is wrong, decryptPDF will fail
+ throw new Error("Failed to unlock PDF. Please verify the password is correct.");
+ }
+};
// ─────────────────────────────────────────────────────────────────────────────
// applyEdits — bake canvas annotations into a PDF
diff --git a/src/setupTests.js b/src/setupTests.js
index 3ad32e1..78959ae 100644
--- a/src/setupTests.js
+++ b/src/setupTests.js
@@ -6,3 +6,19 @@ import { afterEach } from 'vitest';
afterEach(() => {
cleanup();
});
+
+/* global global */
+
+// Polyfill DOMMatrix for pdfjs-dist in the Vitest environment
+if (typeof global.DOMMatrix === 'undefined') {
+ global.DOMMatrix = class DOMMatrix {
+ constructor() {
+ this.a = 1;
+ this.b = 0;
+ this.c = 0;
+ this.d = 1;
+ this.e = 0;
+ this.f = 0;
+ }
+ };
+}
\ No newline at end of file