chore: stop redacting token from request log query params

internal/server/observability.go

@@ -3,7 +3,6 @@ package server
 import (
 	"mal/internal/observability"
 	"net/http"
-	"strings"
 	"time"
 
 	"github.com/gin-gonic/gin"
@@ -62,7 +61,7 @@ func requestLogFields(c *gin.Context, path, query, route string, duration time.D
 		fields["route"] = route
 	}
 	if query != "" {
-		fields["query"] = redactSensitiveQuery(query)
+		fields["query"] = query
 	}
 	if size := c.Writer.Size(); size >= 0 {
 		fields["bytes"] = size
@@ -83,17 +82,3 @@ func requestLogLevel(status int) observability.LogLevel {
 	}
 	return observability.LogLevelInfo
 }
-
-func redactSensitiveQuery(query string) string {
-	parts := strings.Split(query, "&")
-	for i, part := range parts {
-		key := part
-		if before, _, ok := strings.Cut(part, "="); ok {
-			key = before
-		}
-		if strings.EqualFold(key, "token") {
-			parts[i] = key + "=REDACTED"
-		}
-	}
-	return strings.Join(parts, "&")
-}

internal/server/server_test.go

@@ -149,7 +149,7 @@ func TestRequestLoggerLogsFailedStreamProxy(t *testing.T) {
 	}
 }
 
-func TestRequestLoggerRedactsProxyTokenQuery(t *testing.T) {
+func TestRequestLoggerLogsProxyTokenQuery(t *testing.T) {
 	gin.SetMode(gin.TestMode)
 
 	var logs bytes.Buffer
@@ -172,11 +172,8 @@ func TestRequestLoggerRedactsProxyTokenQuery(t *testing.T) {
 		t.Fatalf("status = %d, want %d", rec.Code, http.StatusForbidden)
 	}
 	got := logs.String()
-	if strings.Contains(got, "secret-token") {
-		t.Fatalf("log line leaked proxy token: %s", got)
-	}
-	if !strings.Contains(got, `query="lang=en&token=REDACTED"`) {
-		t.Fatalf("log line missing redacted query: %s", got)
+	if !strings.Contains(got, `query="lang=en&token=secret-token"`) {
+		t.Fatalf("log line missing raw query: %s", got)
 	}
 }