bwilliams
c9f42b62ad
which runs a plain TCP server for receiving websocket hub clients, with server config, CSRF and rate limit middleware. - internal/websocket: Hub pushing messages to WebSocket clients (ServeHTTP, example.com/ws upgrade with optional CSRF check) and plain TCP clients (ServeTCP, newline-delimited JSON envelopes); ping/pong keepalive, per-client message rate limit, slow consumer handling, graceful Shutdown, debug logging of messages sent and received - internal/websocket/tcpserver: standalone TCP server for a hub, with accept back-off, a per-IP connection limit (server.websocket.connection_limit) and graceful shutdown - internal/cli/wsserve: `wsserve` command running the TCP server, with --listen/--host/--port overrides - internal/middleware: keyed token bucket rate limiter, real client IP from trusted proxies - internal/httpx: RFC 9457 problem responses, request IDs in context - internal/config: server section (host, port, shutdown timeout, rate limiter idle TTL, websocket); util.ByteSize settings (e.g. "32KiB"); lists of sections as single keys; empty lists stored as nil; isExplicitlySet for printLoadedConfig; JobSearchConfigSource renamed to JSCSourcesSource; TestSections checks every section's methods - internal/util: ByteSize, parsed and formatted with go-humanize
35 lines
999 B
Go
35 lines
999 B
Go
// Package httpx holds small HTTP helpers shared by middleware and handlers.
|
|
package httpx
|
|
|
|
import (
|
|
"encoding/json"
|
|
"net/http"
|
|
)
|
|
|
|
// Problem is an RFC 9457 problem details body.
|
|
type Problem struct {
|
|
Type string `json:"type,omitempty"`
|
|
Status int `json:"status"`
|
|
Title string `json:"title"`
|
|
Detail string `json:"detail,omitempty"`
|
|
Instance string `json:"instance,omitempty"`
|
|
RequestID string `json:"requestId,omitempty"`
|
|
}
|
|
|
|
// WriteProblem writes a problem+json error response.
|
|
func WriteProblem(w http.ResponseWriter, r *http.Request, status int, detail string) {
|
|
p := Problem{
|
|
Type: "about:blank",
|
|
Title: http.StatusText(status),
|
|
Status: status,
|
|
Detail: detail,
|
|
}
|
|
if r != nil {
|
|
p.RequestID = RequestID(r.Context())
|
|
}
|
|
w.Header().Set("Content-Type", "application/problem+json")
|
|
w.Header().Set("X-Content-Type-Options", "nosniff")
|
|
w.WriteHeader(status)
|
|
json.NewEncoder(w).Encode(p) //nolint:errcheck,gosec // the client may have gone; nothing to do
|
|
}
|