feat: add encryption helper utilities and base64 module #49
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
- Create crypto-utils.ts with high-level encryption functions - encryptGist: simplified gist encryption with metadata handling - decryptGist: simplified gist decryption - generateShareableUrl: create URLs with encryption keys - extractKeyFromUrl: extract keys from URL fragments - validateGistPin: PIN validation for gist editing - createGist: complete gist creation with shareable URLs - loadGistFromUrl: load and decrypt gists from URLs - Add base64.ts module to consolidate encoding/decoding - base64Encode/Decode: standard base64 for internal storage - base64UrlEncode/Decode: URL-safe base64 for keys in URLs - isValidBase64: validation utility - Replaces redundant implementations in crypto.ts and auth.ts - Refactor to use common utilities - Update crypto.ts to use base64 module - Update auth.ts to use base64 module - Replace custom generateGistId with generateShortId from id.ts - Add comprehensive test suites - 28 tests for crypto-utils covering all functions - 23 tests for base64 utilities - Tests include edge cases, Unicode, large files Closes #40 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Summary
lib/crypto-utils.tsfor simplified gist encryption/decryptionlib/base64.tsto eliminate redundant implementationsWhat's included
Encryption Helper Utilities (
crypto-utils.ts)encryptGist()- High-level function to encrypt files with metadata handlingdecryptGist()- Simplified gist decryption with key handlinggenerateShareableUrl()- Create shareable URLs with encryption keysextractKeyFromUrl()- Extract keys from URL fragmentsvalidateGistPin()- PIN validation for gist editingcreateGist()- Complete gist creation with shareable URLsloadGistFromUrl()- Load and decrypt gists from URLsBase64 Module (
base64.ts)base64Encode/Decode- Standard base64 for internal storagebase64UrlEncode/Decode- URL-safe base64 for keys in URLsisValidBase64()- Validation utilityCode Improvements
Test plan
npm testnpm run typechecknpm run lintCloses #40
🤖 Generated with Claude Code