alexei.dolgolyov
28abad27c6
- Add Flush() to statusRecorder so SSE works through logging middleware - Return empty array instead of null for empty project lists - Fixes 500 on /api/events and null.length crash on dashboard
82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
package api
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import (
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"log/slog"
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"net/http"
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"runtime/debug"
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"time"
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)
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// logging is an HTTP middleware that logs every request with method, path,
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// status code, and duration.
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func logging(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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start := time.Now()
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wrapped := &statusRecorder{ResponseWriter: w, status: http.StatusOK}
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next.ServeHTTP(wrapped, r)
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slog.Info("http request",
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"method", r.Method,
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"path", r.URL.Path,
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"status", wrapped.status,
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"duration", time.Since(start).String(),
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)
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})
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}
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// recovery is an HTTP middleware that catches panics and returns a 500 response.
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func recovery(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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defer func() {
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if err := recover(); err != nil {
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slog.Error("panic recovered", "error", err, "stack", string(debug.Stack()))
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respondError(w, http.StatusInternalServerError, "internal server error")
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}
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}()
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next.ServeHTTP(w, r)
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})
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}
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// cors is an HTTP middleware that sets permissive CORS headers for development.
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func cors(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
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if r.Method == http.MethodOptions {
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w.WriteHeader(http.StatusNoContent)
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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// jsonContentType is an HTTP middleware that sets the default Content-Type to JSON.
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func jsonContentType(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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next.ServeHTTP(w, r)
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})
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}
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// statusRecorder wraps http.ResponseWriter to capture the status code.
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type statusRecorder struct {
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http.ResponseWriter
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status int
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}
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func (r *statusRecorder) WriteHeader(code int) {
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r.status = code
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r.ResponseWriter.WriteHeader(code)
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}
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// Flush delegates to the underlying ResponseWriter if it supports http.Flusher (needed for SSE).
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func (r *statusRecorder) Flush() {
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if f, ok := r.ResponseWriter.(http.Flusher); ok {
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f.Flush()
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}
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}
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