Scrape hackyeaster.com and return a list of available challenges with titles, URLs, descriptions, and embedded data.

Fetch a specific challenge page and return parsed content: title, description, hints, code blocks, images, links.

Fetch any URL and return the raw HTML. Useful for following links or checking resources.

Decode data using a specified encoding: base64, hex, url, binary, morse, decimal, octal, base32.

Apply a cipher/transform: caesar (with shift param), rot13, swap_pairs, reverse, rail_fence (with rails param), vigenere (with key param), xor (with key param), atbash, caesar_bruteforce.

Download an image URL and return it as base64 for visual analysis. Also attempts QR code / barcode detection if pyzbar is available.

Compute a hash of the given data. Algorithms: md5, sha1, sha256, sha512.

Record a solve attempt for a challenge. Tracks answer, correctness, and notes.

Return all solve attempts grouped by challenge, with summary of total attempts and solved count.

Check if a string matches the HackyEaster flag format (he20XX{...}).

Submit a flag for a challenge via the authenticated HackyEaster API. POSTs to /app/rest/user/challenge/{id}/checkflag. Returns the API response (accepted/rejected/already-solved).

Download a challenge's attached file via the authenticated HackyEaster API. Fetches /app/rest/user/challenge/{id}/file and saves to the data/ directory. Returns the saved path, filename, content-type, and size in bytes.