WeChat Channels Decrypt
AI-generatedSummary
Downloads an encrypted WeChat Channels video from the supplied URL, decrypts it using the WASM-generated keystream seeded by decodeKey, and returns the plaintext MP4 as binary data.
Inputs
- mediaUrl (required) — Authenticated video download URL, including the
urlToken; the node fetches this URL. - decodeKey (required) — Keystream seed from the video detail data (
media[0].decodeKey). - outputFileName — Name assigned to the output binary file; defaults to
video.mp4. - downloadTimeout — Download timeout in seconds; defaults to 300.
Output shape
One output item per input item, with MP4 binary data in binary.data and result metadata in json.
Successful items include
success: true,fileName, encrypted and decrypted byte sizes, andmediaUrl. Decryption checks for an MP4ftypsignature. Errors stop execution unless Continue On Fail is enabled; then the item containssuccess: false, an error message, andmediaUrl, with no binary data.