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- Fixed issue when more than 1 named capture group is used in a rule variable

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- Added 2 new liquid template filters: 'b64dec' and 'es256_sign'
- Added custom validator for Coinbase, and a Coinbase rule that uses it
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Mick Grove 2025-07-31 16:49:46 -07:00
commit e73aec9d70
11 changed files with 369 additions and 22 deletions
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docs/RULES.md
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@ -107,6 +107,8 @@ Below is the complete list of Liquid filters available in Kingfisher, along with
| --------------------- | -------------------------------------------- | -------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------- |
| `b64enc` | – | Base64-encodes the input using the standard alphabet. | `{{ TOKEN \| b64enc }}` |
| `b64url_enc` | – | URL-safe Base64 (no padding). Useful for JWT headers & payloads. | `{{ TOKEN \| b64url_enc }}` |
| `b64dec` | – | Decodes a Base64 string. | `{{ "aGVsbG8=" \| b64dec }}` |
| `es256_sign` | `key` (string) | Signs the input with an ECDSA P-256 private key and returns a Base64URL signature. | `{{ "data" \| es256_sign: PRIVKEY }}` |
| `sha256` | – | Computes the SHA-256 hex digest of the input. | `{{ TOKEN \| sha256 }}` |
| `hmac_sha1` | `key` (string) | Computes HMAC-SHA1 over the input, returns Base64-encoded result. | `{{ TOKEN \| hmac_sha1: "secret-key" }}` |
| `hmac_sha256` | `key` (string) | Computes HMAC-SHA256 over the input, returns Base64-encoded result. | `{{ TOKEN \| hmac_sha256: "secret-key" }}` |