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feat(permissions): rewrite pdf permission handling using qpdf-wasm

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- Replace PDFKit with qpdf-wasm for more reliable encryption and permission handling
- Improve error handling for password-related cases
- Update UI text and styling for better clarity
- Add support for additional permission controls (page extraction)
- Optimize performance by removing page-by-page rendering
This commit is contained in:
abdullahalam123
2025-10-24 00:47:39 +05:30
parent 466646d15b
commit e0d3075609
2 changed files with 198 additions and 143 deletions
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67
src/js/ui.ts
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@@ -913,52 +913,73 @@ export const toolTemplates = {
<button id="process-btn" class="btn-gradient w-full mt-6">Convert to PDF</button>
`,
'change-permissions': () => `
'change-permissions': () => `
<h2 class="text-2xl font-bold text-white mb-4">Change PDF Permissions</h2>
<p class="mb-6 text-gray-400">Unlock a PDF and re-save it with new passwords and permissions.</p>
<p class="mb-6 text-gray-400">Modify passwords and permissions without losing quality.</p>
${createFileInputHTML()}
<div id="file-display-area" class="mt-4 space-y-2"></div>
<div id="permissions-options" class="hidden mt-6 space-y-4">
<div>
<label for="current-password" class="block mb-2 text-sm font-medium text-gray-300">Current Password (to unlock)</label>
<input type="password" id="current-password" class="w-full bg-gray-700 border border-gray-600 text-white rounded-lg p-2.5" placeholder="Enter current password to open file">
<label for="current-password" class="block mb-2 text-sm font-medium text-gray-300">Current Password (if encrypted)</label>
<input type="password" id="current-password" class="w-full bg-gray-700 border border-gray-600 text-white rounded-lg p-2.5" placeholder="Leave blank if PDF is not password-protected">
</div>
<div class="grid grid-cols-1 md:grid-cols-2 gap-4">
<div>
<label for="new-user-password" class="block mb-2 text-sm font-medium text-gray-300">New User Password (optional)</label>
<input type="password" id="new-user-password" class="w-full bg-gray-700 border border-gray-600 text-white rounded-lg p-2.5" placeholder="Password to open file">
<input type="password" id="new-user-password" class="w-full bg-gray-700 border border-gray-600 text-white rounded-lg p-2.5" placeholder="Password to open PDF">
</div>
<div>
<label for="new-owner-password" class="block mb-2 text-sm font-medium text-gray-300">New Owner Password (optional)</label>
<input type="password" id="new-owner-password" class="w-full bg-gray-700 border border-gray-600 text-white rounded-lg p-2.5" placeholder="Admin password for permissions">
<input type="password" id="new-owner-password" class="w-full bg-gray-700 border border-gray-600 text-white rounded-lg p-2.5" placeholder="Password for full permissions">
</div>
</div>
<div class="p-4 bg-gray-900 border border-blue-500/30 text-blue-200 rounded-lg">
<h3 class="font-semibold text-base mb-2">How Passwords Work</h3>
<ul class="list-disc list-inside text-sm text-gray-400 space-y-1">
<li>The <strong>User Password</strong> is required to open and decrypt the PDF.</li>
<li>The <strong>Owner Password</strong> is an admin key that bypasses all permissions.</li>
<li>Leave both blank to create an unprotected PDF.</li>
<li>Set an Owner Password to enforce the permissions you select below.</li>
<div class="p-4 bg-blue-900/20 border border-blue-500/30 text-blue-200 rounded-lg">
<h3 class="font-semibold text-base mb-2">📝 How It Works</h3>
<ul class="list-disc list-inside text-sm text-gray-300 space-y-1">
<li><strong>User Password:</strong> Required to open the PDF</li>
<li><strong>Owner Password:</strong> Required to enforce the permissions below</li>
<li>Leave both blank to remove all encryption and restrictions</li>
<li>Check boxes below to ALLOW specific actions (unchecked = disabled)</li>
</ul>
</div>
<fieldset class="border border-gray-600 p-4 rounded-lg">
<legend class="px-2 text-sm font-medium text-gray-300">Allow User to:</legend>
<div class="grid grid-cols-1 md:grid-cols-2 gap-4 mt-2">
<label class="flex items-center gap-2"><input type="checkbox" id="allow-printing" checked class="checkbox-style"> Print Document</label>
<label class="flex items-center gap-2"><input type="checkbox" id="allow-copying" checked class="checkbox-style"> Copy Content</label>
<label class="flex items-center gap-2"><input type="checkbox" id="allow-modifying" checked class="checkbox-style"> Modify Document</label>
<label class="flex items-center gap-2"><input type="checkbox" id="allow-annotating" checked class="checkbox-style"> Annotate & Comment</label>
<label class="flex items-center gap-2"><input type="checkbox" id="allow-filling-forms" checked class="checkbox-style"> Fill in Forms</label>
<label class="flex items-center gap-2"><input type="checkbox" id="allow-content-accessibility" checked class="checkbox-style"> Enable Content Accessibility</label>
<label class="flex items-center gap-2"><input type="checkbox" id="allow-document-assembly" checked class="checkbox-style"> Assemble Document</label>
<legend class="px-2 text-sm font-medium text-gray-300">Permissions (only enforced with Owner Password):</legend>
<div class="grid grid-cols-1 md:grid-cols-2 gap-3 mt-3">
<label class="flex items-center gap-2 text-gray-300 cursor-pointer hover:text-white">
<input type="checkbox" id="allow-printing" checked class="w-4 h-4 text-blue-600 bg-gray-700 border-gray-600 rounded">
Allow Printing
</label>
<label class="flex items-center gap-2 text-gray-300 cursor-pointer hover:text-white">
<input type="checkbox" id="allow-copying" checked class="w-4 h-4 text-blue-600 bg-gray-700 border-gray-600 rounded">
Allow Text/Image Extraction
</label>
<label class="flex items-center gap-2 text-gray-300 cursor-pointer hover:text-white">
<input type="checkbox" id="allow-modifying" checked class="w-4 h-4 text-blue-600 bg-gray-700 border-gray-600 rounded">
Allow Modifications
</label>
<label class="flex items-center gap-2 text-gray-300 cursor-pointer hover:text-white">
<input type="checkbox" id="allow-annotating" checked class="w-4 h-4 text-blue-600 bg-gray-700 border-gray-600 rounded">
Allow Annotations
</label>
<label class="flex items-center gap-2 text-gray-300 cursor-pointer hover:text-white">
<input type="checkbox" id="allow-filling-forms" checked class="w-4 h-4 text-blue-600 bg-gray-700 border-gray-600 rounded">
Allow Form Filling
</label>
<label class="flex items-center gap-2 text-gray-300 cursor-pointer hover:text-white">
<input type="checkbox" id="allow-document-assembly" checked class="w-4 h-4 text-blue-600 bg-gray-700 border-gray-600 rounded">
Allow Page Assembly
</label>
<label class="flex items-center gap-2 text-gray-300 cursor-pointer hover:text-white">
<input type="checkbox" id="allow-page-extraction" checked class="w-4 h-4 text-blue-600 bg-gray-700 border-gray-600 rounded">
Allow Page Extraction
</label>
</div>
</fieldset>
</div>
<button id="process-btn" class="hidden btn-gradient w-full mt-6">Save New Permissions</button>
<button id="process-btn" class="hidden btn-gradient w-full mt-6">Apply Changes</button>
`,
'pdf-to-markdown': () => `