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fix(plugins): add base64 handling for []byte and remove raw=true (#5121)

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* fix(plugins): add base64 handling for []byte and remove raw=true

Go's json.Marshal automatically base64-encodes []byte fields, but Rust's
serde_json serializes Vec<u8> as a JSON array and Python's json.dumps
raises TypeError on bytes. This fixes both directions of plugin
communication by adding proper base64 encoding/decoding in generated
client code.

For Rust templates (client and capability): adds a base64_bytes serde
helper module with #[serde(with = "base64_bytes")] on all Vec<u8> fields,
and adds base64 as a dependency. For Python templates: wraps bytes params
with base64.b64encode() and responses with base64.b64decode().

Also removes the raw=true binary framing protocol from all templates,
the parser, and the Method type. The raw mechanism added complexity that
is no longer needed once []byte works properly over JSON.

* fix(plugins): update production code and tests for base64 migration

Remove raw=true annotation from SubsonicAPI.CallRaw, delete all raw
test fixtures, remove raw-related test cases from parser, generator, and
integration tests, and add new test cases validating base64 handling
for Rust and Python templates.

* fix(plugins): update golden files and regenerate production code

Update golden test fixtures for codec and comprehensive services to
include base64 handling for []byte fields. Regenerate all production
PDK code (Go, Rust, Python) and host wrappers to use standard JSON
with base64-encoded byte fields instead of binary framing protocol.

* refactor: remove base64 helper duplication from rust template

Signed-off-by: Deluan <deluan@navidrome.org>

* fix(plugins): add base64 dependency to capabilities' Cargo.toml

Signed-off-by: Deluan <deluan@navidrome.org>

---------

Signed-off-by: Deluan <deluan@navidrome.org>
This commit is contained in:
Deluan Quintão
2026-02-27 19:00:19 -05:00
committed by GitHub
parent 582d1b3cd9
commit bd8032b327
36 changed files with 460 additions and 854 deletions
Download Patch File Download Diff File Expand all files Collapse all files
plugins/host/subsonicapi.go
+3 -3
View File
@@ -17,8 +17,8 @@ type SubsonicAPIService interface {
Call(ctx context.Context, uri string) (responseJSON string, err error)
// CallRaw executes a Subsonic API request and returns the raw binary response.
// Optimized for binary endpoints like getCoverArt and stream that return
// non-JSON data. The response is returned as raw bytes without JSON encoding overhead.
//nd:hostfunc raw=true
// Designed for binary endpoints like getCoverArt and stream that return
// non-JSON data. The data is base64-encoded over JSON on the wire.
//nd:hostfunc
CallRaw(ctx context.Context, uri string) (contentType string, data []byte, err error)
}