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feat:Setup Prettier for code formatting

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NanditaPatil-dotcom
2025-10-17 11:37:32 +05:30
parent 87c191213c
commit f1d830d81d
96 changed files with 9420 additions and 7154 deletions
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125
src/js/logic/decrypt.ts
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@@ -3,63 +3,78 @@ import { downloadFile, readFileAsArrayBuffer } from '../utils/helpers.js';
import { state } from '../state.js';
import PDFDocument from 'pdfkit/js/pdfkit.standalone';
import blobStream from 'blob-stream';
import * as pdfjsLib from "pdfjs-dist";
import * as pdfjsLib from 'pdfjs-dist';
export async function decrypt() {
const file = state.files[0];
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
const password = document.getElementById('password-input').value;
if (!password.trim()) {
showAlert('Input Required', 'Please enter the PDF password.');
return;
const file = state.files[0];
// @ts-expect-error TS(2339) FIXME: Property 'value' does not exist on type 'HTMLEleme... Remove this comment to see the full error message
const password = document.getElementById('password-input').value;
if (!password.trim()) {
showAlert('Input Required', 'Please enter the PDF password.');
return;
}
try {
showLoader('Preparing to process...');
const pdfData = await readFileAsArrayBuffer(file);
// @ts-expect-error TS(2304) FIXME: Cannot find name 'pdfjsLib'.
const pdf = await pdfjsLib.getDocument({
data: pdfData,
password: password,
}).promise;
const numPages = pdf.numPages;
const pageImages = [];
for (let i = 1; i <= numPages; i++) {
document.getElementById('loader-text').textContent =
`Processing page ${i} of ${numPages}...`;
const page = await pdf.getPage(i);
const viewport = page.getViewport({ scale: 2.0 });
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
canvas.height = viewport.height;
canvas.width = viewport.width;
await page.render({
canvasContext: context,
viewport: viewport,
canvas: canvas,
}).promise;
pageImages.push({
data: canvas.toDataURL('image/jpeg', 0.8),
width: viewport.width,
height: viewport.height,
});
}
try {
showLoader('Preparing to process...');
const pdfData = await readFileAsArrayBuffer(file);
// @ts-expect-error TS(2304) FIXME: Cannot find name 'pdfjsLib'.
const pdf = await pdfjsLib.getDocument({ data: pdfData, password: password }).promise;
const numPages = pdf.numPages;
const pageImages = [];
for (let i = 1; i <= numPages; i++) {
document.getElementById('loader-text').textContent = `Processing page ${i} of ${numPages}...`;
const page = await pdf.getPage(i);
const viewport = page.getViewport({ scale: 2.0 });
const canvas = document.createElement('canvas');
const context = canvas.getContext('2d');
canvas.height = viewport.height;
canvas.width = viewport.width;
await page.render({ canvasContext: context, viewport: viewport, canvas: canvas }).promise;
pageImages.push({
data: canvas.toDataURL('image/jpeg', 0.8),
width: viewport.width,
height: viewport.height
});
}
document.getElementById('loader-text').textContent = 'Building unlocked PDF...';
const doc = new PDFDocument({ size: [pageImages[0].width, pageImages[0].height] });
const stream = doc.pipe(blobStream());
for (let i = 0; i < pageImages.length; i++) {
if (i > 0) doc.addPage({ size: [pageImages[i].width, pageImages[i].height] });
doc.image(pageImages[i].data, 0, 0, { width: pageImages[i].width, height: pageImages[i].height });
}
doc.end();
stream.on('finish', function () {
const blob = stream.toBlob('application/pdf');
downloadFile(blob, `unlocked-${file.name}`);
hideLoader();
showAlert('Success', 'Decryption complete! Your download has started.');
});
} catch (error) {
console.error("Error during PDF decryption:", error);
hideLoader();
if (error.name === 'PasswordException') {
showAlert('Incorrect Password', 'The password you entered is incorrect.');
} else {
showAlert('Error', 'An error occurred. The PDF might be corrupted.');
}
document.getElementById('loader-text').textContent =
'Building unlocked PDF...';
const doc = new PDFDocument({
size: [pageImages[0].width, pageImages[0].height],
});
const stream = doc.pipe(blobStream());
for (let i = 0; i < pageImages.length; i++) {
if (i > 0)
doc.addPage({ size: [pageImages[i].width, pageImages[i].height] });
doc.image(pageImages[i].data, 0, 0, {
width: pageImages[i].width,
height: pageImages[i].height,
});
}
}
doc.end();
stream.on('finish', function () {
const blob = stream.toBlob('application/pdf');
downloadFile(blob, `unlocked-${file.name}`);
hideLoader();
showAlert('Success', 'Decryption complete! Your download has started.');
});
} catch (error) {
console.error('Error during PDF decryption:', error);
hideLoader();
if (error.name === 'PasswordException') {
showAlert('Incorrect Password', 'The password you entered is incorrect.');
} else {
showAlert('Error', 'An error occurred. The PDF might be corrupted.');
}
}
}