cel: add url.{encode,decode} functions#1884
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Pull request overview
Adds URL percent-encoding helpers to the CEL function surface, enabling policies/logging expressions to encode/decode URL components without relying on form.encode/decode.
Changes:
- Register new CEL functions
url.encodeandurl.decodeinagent-celx. - Implement URL component percent-encoding/decoding using
percent-encoding. - Document the new functions and add unit tests.
Reviewed changes
Copilot reviewed 4 out of 5 changed files in this pull request and generated 2 comments.
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| File | Description |
|---|---|
| schema/cel-functions.md | Documents url.encode / url.decode usage and semantics. |
| crates/celx/src/general.rs | Implements and registers the new CEL URL encode/decode functions. |
| crates/celx/src/function_tests.rs | Adds unit tests covering URL encode/decode behavior and failure cases. |
| crates/celx/Cargo.toml | Adds percent-encoding as a dependency for agent-celx. |
| Cargo.lock | Records the new dependency in the lockfile. |
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| const URL_COMPONENT_ENCODE_SET: &AsciiSet = &CONTROLS | ||
| .add(b' ') |
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| Ok( | ||
| percent_encode(v.as_bytes_pre_materialized()?, URL_COMPONENT_ENCODE_SET) |
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Signed-off-by: John Howard <john.howard@solo.io>
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