Root-Modul: apierror und httpharden aus common v0.1.0
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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
patrickandClaude Sonnet 5.5 committed 2026-10-28 09:37:03 +01:00
1 parent 184a219c8a
commit 07eb74cadf
27 files changed
+27 -620

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+1 -1
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@@ -17,10 +17,10 @@ import (
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/audit"
"gitea.perlbach24.de/scripte/nexarch/internal/auth"
"gitea.perlbach24.de/scripte/nexarch/internal/authtoken"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/lockout"
"gitea.perlbach24.de/scripte/nexarch/internal/moduletoken"
"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
+1 -1
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@@ -18,10 +18,10 @@ import (
"net/http"
"os"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/audit"
"gitea.perlbach24.de/scripte/nexarch/internal/auditadmin"
"gitea.perlbach24.de/scripte/nexarch/internal/db"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/svcauth"
)
+1 -1
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@@ -5,10 +5,10 @@ import (
"log"
"net/http"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/audit"
"gitea.perlbach24.de/scripte/nexarch/internal/config"
"gitea.perlbach24.de/scripte/nexarch/internal/db"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/moduledirectory"
"gitea.perlbach24.de/scripte/nexarch/internal/svcauth"
"gitea.perlbach24.de/scripte/nexarch/internal/tenant"
+1 -1
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@@ -13,8 +13,8 @@ import (
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/flag"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/kek"
"gitea.perlbach24.de/scripte/nexarch/internal/moduleregistry"
"gitea.perlbach24.de/scripte/nexarch/internal/tenant"
+1 -1
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@@ -16,10 +16,10 @@ import (
"os"
"time"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/adminapi"
"gitea.perlbach24.de/scripte/nexarch/internal/db"
"gitea.perlbach24.de/scripte/nexarch/internal/flag"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/license"
"gitea.perlbach24.de/scripte/nexarch/internal/svcauth"
"gitea.perlbach24.de/scripte/nexarch/internal/usage"
+1 -1
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@@ -10,8 +10,8 @@ import (
"net/http"
"os"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/db"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/metrics"
)
+1 -1
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@@ -12,7 +12,7 @@ import (
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/notify"
"gitea.perlbach24.de/scripte/nexarch/internal/notifyapi"
"gitea.perlbach24.de/scripte/nexarch/internal/notifyprefs"
+1 -1
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@@ -18,8 +18,8 @@ import (
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/auth"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/moduletrust"
"gitea.perlbach24.de/scripte/nexarch/internal/notifyprefs"
)
+1 -1
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@@ -15,8 +15,8 @@ import (
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/flag"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/policy"
"gitea.perlbach24.de/scripte/nexarch/internal/policyapi"
)
+1 -1
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@@ -18,8 +18,8 @@ import (
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/auth"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/moduletrust"
"gitea.perlbach24.de/scripte/nexarch/internal/rbac"
)
+1 -1
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@@ -13,9 +13,9 @@ import (
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/audit"
"gitea.perlbach24.de/scripte/nexarch/internal/flag"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/moduleregistry"
"gitea.perlbach24.de/scripte/nexarch/internal/resync"
"gitea.perlbach24.de/scripte/nexarch/internal/usage"
+1 -1
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@@ -10,7 +10,7 @@ import (
"net/http"
"os"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/secheaders"
)
+1 -1
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@@ -11,8 +11,8 @@ import (
"strconv"
"time"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/db"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/statuspage"
)
+1 -1
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@@ -12,9 +12,9 @@ import (
"net/http"
"os"
"gitea.perlbach24.de/scripte/nexarch/common/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/audit"
"gitea.perlbach24.de/scripte/nexarch/internal/db"
"gitea.perlbach24.de/scripte/nexarch/internal/httpharden"
"gitea.perlbach24.de/scripte/nexarch/internal/svcauth"
"gitea.perlbach24.de/scripte/nexarch/internal/tenant"
"gitea.perlbach24.de/scripte/nexarch/internal/tenantadmin"
+1
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@@ -5,6 +5,7 @@ go 1.25.0
toolchain go1.25.13
require (
gitea.perlbach24.de/scripte/nexarch/common v0.1.0
github.com/golang-jwt/jwt/v5 v5.3.1
github.com/jackc/pgx/v5 v5.9.2
github.com/prometheus/client_golang v1.24.1
+2
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@@ -1,3 +1,5 @@
gitea.perlbach24.de/scripte/nexarch/common v0.1.0 h1:biNzFr2LOMZC7b1leY3smQtrMmSMp6IW80OvR4LSjLY=
gitea.perlbach24.de/scripte/nexarch/common v0.1.0/go.mod h1:CiEImG++QMt1xZqSMeDJhPiB7sfWTLZOwjS6OY/Iguc=
github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+1 -1
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@@ -7,8 +7,8 @@ import (
"strings"
"time"
dto "github.com/prometheus/client_model/go"
"github.com/jackc/pgx/v5/pgxpool"
dto "github.com/prometheus/client_model/go"
"gitea.perlbach24.de/scripte/nexarch/internal/notify"
)
-191
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@@ -1,191 +0,0 @@
// Package apierror erzwingt das Core-Fehlerformat (API-01) auf allen
// HTTP-Antworten und schliesst QA-15 F-14: 116 Stellen in Core, DMS, Archive
// und Mail betteten err.Error() direkt in Antworten ein, darunter 500er mit
// Datenbank- und Dateipfadtexten. Statt jede einzelne Aufrufstelle
// anzufassen, schreibt Normalize JEDE Fehlerantwort am aeussersten Rand
// (httpharden.ListenAndServe) um: 4xx-Meldungen bleiben inhaltlich
// erhalten (fachlich, keine Interna), 5xx-Antworten werden PRINZIPIELL
// durch eine allgemeine Meldung mit Korrelations-ID ersetzt — der
// urspruengliche Text (der die Interna enthalten haben KANN) geht nur ins
// Log, niemals in die Antwort. Erweitert dasselbe Grundmuster wie
// dms/internal/apierror (INT-01, dort das "Vorbild" laut API-20).
package apierror
import (
"bytes"
"crypto/rand"
"encoding/hex"
"encoding/json"
"log"
"net/http"
"strings"
)
func CodeForStatus(status int) string {
switch status {
case http.StatusBadRequest:
return "invalid_request"
case http.StatusUnauthorized:
return "unauthenticated"
case http.StatusForbidden:
return "forbidden"
case http.StatusNotFound:
return "not_found"
case http.StatusMethodNotAllowed:
return "method_not_allowed"
case http.StatusConflict:
return "conflict"
case http.StatusGone:
return "gone"
case http.StatusRequestEntityTooLarge:
return "payload_too_large"
case http.StatusUnsupportedMediaType:
return "unsupported_media_type"
case http.StatusUnprocessableEntity:
return "unprocessable"
case http.StatusLocked:
return "locked"
case http.StatusTooManyRequests:
return "rate_limited"
case http.StatusServiceUnavailable:
return "unavailable"
}
if status >= 500 {
return "internal_error"
}
return "invalid_request"
}
type body struct {
Error struct {
Code string `json:"code"`
Message string `json:"message"`
CorrelationID string `json:"correlation_id,omitempty"`
} `json:"error"`
}
func Write(w http.ResponseWriter, status int, code, message string) {
var b body
b.Error.Code = code
b.Error.Message = message
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(status)
_ = json.NewEncoder(w).Encode(b)
}
func newCorrelationID() string {
buf := make([]byte, 8)
if _, err := rand.Read(buf); err != nil {
// crypto/rand-Ausfall ist praktisch nie beobachtbar; eine feste
// Ersatz-ID ist besser als ein Absturz in einem Fehlerpfad, der
// selbst schon einen Fehler meldet.
return "korrelations-id-nicht-verfuegbar"
}
return hex.EncodeToString(buf)
}
// Normalize schreibt jede Fehlerantwort (Status >= 400) im Core-Format um.
// 4xx: der vom Handler geschriebene Text bleibt als "message" erhalten (er
// ist fachlich, kein Interna-Leck). 5xx (Akzeptanzkriterium 1): der Text
// wird verworfen, NIE an den Aufrufer weitergegeben — stattdessen eine
// allgemeine Meldung mit Korrelations-ID; derselbe Text landet mitsamt
// Korrelations-ID im Server-Log (Prozess-stderr, wie ueberall sonst in
// diesem Projekt).
func Normalize(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
rec := &recorder{ResponseWriter: w}
next.ServeHTTP(rec, r)
rec.finish(r)
})
}
type recorder struct {
http.ResponseWriter
status int
buffered bool
buf bytes.Buffer
}
func (r *recorder) WriteHeader(status int) {
if r.status != 0 {
return
}
r.status = status
if status >= 400 {
r.buffered = true
return
}
r.ResponseWriter.WriteHeader(status)
}
func (r *recorder) Write(p []byte) (int, error) {
if r.status == 0 {
r.WriteHeader(http.StatusOK)
}
if r.buffered {
return r.buf.Write(p)
}
return r.ResponseWriter.Write(p)
}
func (r *recorder) Flush() {
if f, ok := r.ResponseWriter.(http.Flusher); ok && !r.buffered {
f.Flush()
}
}
func (r *recorder) Unwrap() http.ResponseWriter { return r.ResponseWriter }
func (r *recorder) finish(req *http.Request) {
if !r.buffered {
return
}
code := CodeForStatus(r.status)
rawMessage := strings.TrimSpace(r.buf.String())
if r.status >= 500 {
corrID := newCorrelationID()
log.Printf("apierror: 5xx %s %s status=%d korrelations-id=%s ursprung=%q", req.Method, req.URL.Path, r.status, corrID, rawMessage)
out := body{}
out.Error.Code = code
out.Error.Message = "Interner Fehler"
out.Error.CorrelationID = corrID
encoded, _ := json.Marshal(out)
r.flush(append(encoded, '\n'))
return
}
out := map[string]any{}
message := rawMessage
var parsed map[string]any
if json.Unmarshal(r.buf.Bytes(), &parsed) == nil && parsed != nil {
switch e := parsed["error"].(type) {
case string:
message = e
delete(parsed, "error")
out = parsed
case map[string]any:
if c, _ := e["code"].(string); c != "" {
if m, _ := e["message"].(string); m != "" {
r.flush(r.buf.Bytes())
return
}
}
}
}
if message == "" {
message = http.StatusText(r.status)
}
out["error"] = map[string]string{"code": code, "message": message}
encoded, _ := json.Marshal(out)
r.flush(append(encoded, '\n'))
}
func (r *recorder) flush(payload []byte) {
h := r.ResponseWriter.Header()
h.Set("Content-Type", "application/json")
h.Del("Content-Length")
h.Set("X-Content-Type-Options", "nosniff")
r.ResponseWriter.WriteHeader(r.status)
_, _ = r.ResponseWriter.Write(payload)
}
-184
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@@ -1,184 +0,0 @@
package apierror
import (
"encoding/json"
"net/http"
"net/http/httptest"
"strings"
"testing"
)
func decode(t *testing.T, rec *httptest.ResponseRecorder) map[string]any {
t.Helper()
var m map[string]any
if err := json.Unmarshal(rec.Body.Bytes(), &m); err != nil {
t.Fatalf("keine json-antwort: %q (%v)", rec.Body.String(), err)
}
return m
}
func errOf(t *testing.T, m map[string]any) map[string]any {
t.Helper()
e, ok := m["error"].(map[string]any)
if !ok {
t.Fatalf("error ist kein objekt: %v", m)
}
return e
}
// Akzeptanzkriterium 2: fachliche 4xx-Meldungen bleiben verstaendlich.
func TestNormalize_4xxKeepsHandlerMessage(t *testing.T) {
cases := []struct {
name string
handler http.HandlerFunc
status int
wantCode string
wantMsg string
}{
{"http.Error klartext", func(w http.ResponseWriter, r *http.Request) { http.Error(w, "dokument nicht gefunden", 404) }, 404, "not_found", "dokument nicht gefunden"},
{"json string", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(422)
_, _ = w.Write([]byte(`{"error":"ungueltiger wert"}`))
}, 422, "unprocessable", "ungueltiger wert"},
{"leerer body", func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(403) }, 403, "forbidden", "Forbidden"},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
rec := httptest.NewRecorder()
Normalize(c.handler).ServeHTTP(rec, httptest.NewRequest("GET", "/x", nil))
if rec.Code != c.status {
t.Fatalf("status = %d", rec.Code)
}
if ct := rec.Header().Get("Content-Type"); !strings.HasPrefix(ct, "application/json") {
t.Errorf("content-type = %q", ct)
}
e := errOf(t, decode(t, rec))
if e["code"] != c.wantCode || e["message"] != c.wantMsg {
t.Errorf("code=%v msg=%v, erwartet %q/%q", e["code"], e["message"], c.wantCode, c.wantMsg)
}
if _, has := e["correlation_id"]; has {
t.Errorf("4xx sollte keine korrelations-id tragen: %v", e)
}
})
}
}
// Akzeptanzkriterium 1: 5xx-Antworten enthalten NIE den Handler-Text
// (der die Interna leaken kann), nur eine allgemeine Meldung mit
// Korrelations-ID — egal, was der Handler geschrieben hat.
func TestNormalize_5xxNeverLeaksHandlerText(t *testing.T) {
cases := []struct {
name string
handler http.HandlerFunc
}{
{"http.Error mit db-fehler", func(w http.ResponseWriter, r *http.Request) {
http.Error(w, `pq: connection to server at "10.0.0.5", port 5432 failed`, 500)
}},
{"http.Error mit dateipfad", func(w http.ResponseWriter, r *http.Request) {
http.Error(w, "open /var/lib/nexarch/secrets/tenant.key: permission denied", 502)
}},
{"json mit interna", func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(503)
_, _ = w.Write([]byte(`{"error":"dial tcp 127.0.0.1:5432: connect: connection refused"}`))
}},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
rec := httptest.NewRecorder()
Normalize(c.handler).ServeHTTP(rec, httptest.NewRequest("GET", "/x", nil))
body := rec.Body.String()
for _, leak := range []string{"pq:", "10.0.0.5", "/var/lib/nexarch", "permission denied", "127.0.0.1", "dial tcp"} {
if strings.Contains(body, leak) {
t.Errorf("5xx-antwort enthaelt interna %q: %s", leak, body)
}
}
e := errOf(t, decode(t, rec))
if e["message"] != "Interner Fehler" {
t.Errorf("message = %v, erwartet generische meldung", e["message"])
}
corrID, _ := e["correlation_id"].(string)
if corrID == "" {
t.Fatalf("keine korrelations-id in der antwort: %v", e)
}
if len(corrID) < 8 {
t.Errorf("korrelations-id zu kurz/vorhersagbar: %q", corrID)
}
})
}
}
// Zwei Anfragen mit demselben 5xx-Fehler bekommen unterschiedliche
// Korrelations-IDs (sonst waere die ID im Log nicht eindeutig zuordenbar).
func TestNormalize_5xxCorrelationIDsAreUnique(t *testing.T) {
handler := func(w http.ResponseWriter, r *http.Request) { http.Error(w, "boom", 500) }
var ids []string
for i := 0; i < 5; i++ {
rec := httptest.NewRecorder()
Normalize(http.HandlerFunc(handler)).ServeHTTP(rec, httptest.NewRequest("GET", "/x", nil))
e := errOf(t, decode(t, rec))
id, _ := e["correlation_id"].(string)
for _, seen := range ids {
if seen == id {
t.Fatalf("korrelations-id doppelt vergeben: %q", id)
}
}
ids = append(ids, id)
}
}
func TestNormalize_KeepsExtraFieldsOn4xx(t *testing.T) {
rec := httptest.NewRecorder()
Normalize(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(409)
_, _ = w.Write([]byte(`{"error":"duplikat","documentId":"d1"}`))
})).ServeHTTP(rec, httptest.NewRequest("POST", "/x", nil))
m := decode(t, rec)
if m["documentId"] != "d1" {
t.Errorf("zusatzfeld verloren: %v", m)
}
if errOf(t, m)["code"] != "conflict" {
t.Errorf("code = %v", errOf(t, m)["code"])
}
rec = httptest.NewRecorder()
Normalize(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
Write(w, 401, "unauthenticated", "nicht angemeldet")
})).ServeHTTP(rec, httptest.NewRequest("GET", "/x", nil))
e := errOf(t, decode(t, rec))
if e["code"] != "unauthenticated" || e["message"] != "nicht angemeldet" {
t.Errorf("core-format veraendert: %v", e)
}
}
func TestNormalize_SuccessPassesThroughUnbuffered(t *testing.T) {
rec := httptest.NewRecorder()
Normalize(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/pdf")
_, _ = w.Write([]byte("%PDF-1.7"))
})).ServeHTTP(rec, httptest.NewRequest("GET", "/x", nil))
if rec.Code != 200 || rec.Body.String() != "%PDF-1.7" || rec.Header().Get("Content-Type") != "application/pdf" {
t.Errorf("erfolgsantwort veraendert: %d %q %q", rec.Code, rec.Body.String(), rec.Header().Get("Content-Type"))
}
}
func TestNormalize_MuxNotFoundAndMethodNotAllowed(t *testing.T) {
mux := http.NewServeMux()
mux.HandleFunc("GET /a", func(w http.ResponseWriter, r *http.Request) {})
h := Normalize(mux)
for _, c := range []struct {
method, path string
status int
code string
}{{"GET", "/nope", 404, "not_found"}, {"POST", "/a", 405, "method_not_allowed"}} {
rec := httptest.NewRecorder()
h.ServeHTTP(rec, httptest.NewRequest(c.method, c.path, nil))
if rec.Code != c.status {
t.Fatalf("%s %s: status %d", c.method, c.path, rec.Code)
}
if errOf(t, decode(t, rec))["code"] != c.code {
t.Errorf("%s %s: code %v", c.method, c.path, errOf(t, decode(t, rec))["code"])
}
}
}
+1 -1
View File
@@ -36,7 +36,7 @@ func moduleRoot(t *testing.T) string {
// aber eigenstaendigen Go-Module (eigene go.mod, eigene Regeln/Ausnahmen -
// DMS hat mit INT-01/INT-15 bereits ein eigenes Muster, siehe API-21-Ticket
// "Nicht Bestandteil dieser Kachel").
var exempt = []string{"internal/apierror", "internal/httpharden", "archive", "dms", "mail"}
var exempt = []string{"archive", "dms", "mail"}
// TestNoErrorTextLeaksIntoHTTPResponses ist Akzeptanzkriterium 1: kein
// err.Error() direkt in einer HTTP-Antwort, ausser ueber apierror.
-119
View File
@@ -1,119 +0,0 @@
// Package httpharden liefert gehaertete http.Server-Grundeinstellungen
// (Timeouts, Header-Limit) und ein Body-Limit fuer alle Dienste (QA-15 F-05).
// Dieselbe Datei existiert in archive/internal/httpharden und
// dms/internal/httpharden, weil die Module getrennte go.mod-Dateien haben.
package httpharden
import (
"log"
"net/http"
"os"
"strconv"
"time"
"gitea.perlbach24.de/scripte/nexarch/internal/apierror"
)
const (
DefaultReadHeaderTimeout = 10 * time.Second
DefaultReadTimeout = 30 * time.Second
DefaultWriteTimeout = 60 * time.Second
DefaultIdleTimeout = 120 * time.Second
DefaultMaxHeaderBytes = 1 << 20
DefaultMaxBodyBytes = 1 << 20
EnvReadHeaderTimeout = "NEXARCH_HTTP_READ_HEADER_TIMEOUT_SECONDS"
EnvReadTimeout = "NEXARCH_HTTP_READ_TIMEOUT_SECONDS"
EnvWriteTimeout = "NEXARCH_HTTP_WRITE_TIMEOUT_SECONDS"
EnvIdleTimeout = "NEXARCH_HTTP_IDLE_TIMEOUT_SECONDS"
EnvMaxBodyBytes = "NEXARCH_HTTP_MAX_BODY_BYTES"
)
// Options weicht vom Standard ab. Nullwerte bedeuten Standard bzw. Env-Wert;
// StreamingBodies/StreamingResponses setzen ReadTimeout/WriteTimeout auf 0
// (unbegrenzt), damit lange Uploads und Downloads nicht abbrechen. Schutz
// gegen langsame Header bleibt ueber ReadHeaderTimeout und IdleTimeout.
type Options struct {
StreamingBodies bool
StreamingResponses bool
}
func envSeconds(name string, def time.Duration) time.Duration {
v := os.Getenv(name)
if v == "" {
return def
}
n, err := strconv.Atoi(v)
if err != nil || n < 1 || n > 3600 {
log.Fatalf("%s muss eine ganze Zahl zwischen 1 und 3600 sein, war %q", name, v)
}
return time.Duration(n) * time.Second
}
// MaxBodyBytes liest die Body-Obergrenze (Standard 1 MiB, Env
// NEXARCH_HTTP_MAX_BODY_BYTES, 1 KiB bis 1 GiB).
func MaxBodyBytes() int64 {
v := os.Getenv(EnvMaxBodyBytes)
if v == "" {
return DefaultMaxBodyBytes
}
n, err := strconv.ParseInt(v, 10, 64)
if err != nil || n < 1<<10 || n > 1<<30 {
log.Fatalf("%s muss zwischen 1024 und 1073741824 liegen, war %q", EnvMaxBodyBytes, v)
}
return n
}
// NewServer baut einen http.Server mit gehaerteten Timeouts.
func NewServer(addr string, h http.Handler, opt Options) *http.Server {
s := &http.Server{
Addr: addr,
Handler: h,
ReadHeaderTimeout: envSeconds(EnvReadHeaderTimeout, DefaultReadHeaderTimeout),
ReadTimeout: envSeconds(EnvReadTimeout, DefaultReadTimeout),
WriteTimeout: envSeconds(EnvWriteTimeout, DefaultWriteTimeout),
IdleTimeout: envSeconds(EnvIdleTimeout, DefaultIdleTimeout),
MaxHeaderBytes: DefaultMaxHeaderBytes,
}
if opt.StreamingBodies {
s.ReadTimeout = 0
}
if opt.StreamingResponses {
s.WriteTimeout = 0
}
return s
}
// ListenAndServe ersetzt http.ListenAndServe: JSON-API mit Body-Limit und
// (QA-15 F-14) apierror.Normalize aussen um jeden Handler — jeder der ueber
// diesen einen Einstiegspunkt laufenden Core-Dienste bekommt damit
// automatisch die Korrelations-ID-Vernebelung von 5xx-Antworten, ohne dass
// jede einzelne Aufrufstelle angefasst werden muss.
func ListenAndServe(addr string, h http.Handler) error {
return NewServer(addr, apierror.Normalize(LimitBody(MaxBodyBytes(), h)), Options{}).ListenAndServe()
}
// ListenAndServeStreaming fuer Dienste mit grossen Uploads/Downloads: keine
// globale Body-Grenze und keine Lese-/Schreib-Gesamtzeit, nur Header-Timeout.
// apierror.Normalize puffert NUR Fehlerantworten (Status >= 400) — der
// Streaming-Erfolgspfad (grosse Downloads) bleibt unangetastet.
func ListenAndServeStreaming(addr string, h http.Handler) error {
return NewServer(addr, apierror.Normalize(h), Options{StreamingBodies: true, StreamingResponses: true}).ListenAndServe()
}
// LimitBody begrenzt Request-Bodies. Ein Content-Length ueber dem Limit wird
// vor dem Handler mit 413 abgewiesen, chunked Bodies ueber MaxBytesReader.
func LimitBody(max int64, next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.ContentLength > max {
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusRequestEntityTooLarge)
_, _ = w.Write([]byte(`{"error":{"code":"payload_too_large","message":"Anfrage zu gross"}}`))
return
}
if r.Body != nil && r.Body != http.NoBody {
r.Body = http.MaxBytesReader(w, r.Body, max)
}
next.ServeHTTP(w, r)
})
}
-105
View File
@@ -1,105 +0,0 @@
package httpharden
import (
"bufio"
"io"
"net"
"net/http"
"net/http/httptest"
"strings"
"testing"
"time"
)
func TestLimitBody_ContentLengthOverLimitIs413(t *testing.T) {
called := false
h := LimitBody(10, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { called = true }))
req := httptest.NewRequest("POST", "/", strings.NewReader(strings.Repeat("a", 11)))
rec := httptest.NewRecorder()
h.ServeHTTP(rec, req)
if rec.Code != http.StatusRequestEntityTooLarge || called {
t.Fatalf("code=%d called=%v", rec.Code, called)
}
}
func TestLimitBody_ChunkedOverLimitFailsRead(t *testing.T) {
var readErr error
h := LimitBody(10, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
_, readErr = io.ReadAll(r.Body)
}))
req := httptest.NewRequest("POST", "/", strings.NewReader(strings.Repeat("a", 50)))
req.ContentLength = -1
h.ServeHTTP(httptest.NewRecorder(), req)
if readErr == nil {
t.Fatal("lesen ueber dem Limit muss fehlschlagen")
}
}
func TestLimitBody_UnderLimitPasses(t *testing.T) {
var got string
h := LimitBody(10, http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b, _ := io.ReadAll(r.Body)
got = string(b)
}))
h.ServeHTTP(httptest.NewRecorder(), httptest.NewRequest("POST", "/", strings.NewReader("abc")))
if got != "abc" {
t.Fatalf("got %q", got)
}
}
func TestNewServer_DefaultsAndStreaming(t *testing.T) {
s := NewServer(":0", nil, Options{})
if s.ReadHeaderTimeout == 0 || s.ReadTimeout == 0 || s.WriteTimeout == 0 || s.IdleTimeout == 0 {
t.Fatalf("Timeouts muessen gesetzt sein: %+v", s)
}
st := NewServer(":0", nil, Options{StreamingBodies: true, StreamingResponses: true})
if st.ReadTimeout != 0 || st.WriteTimeout != 0 || st.ReadHeaderTimeout == 0 || st.IdleTimeout == 0 {
t.Fatalf("Streaming: nur Lese-/Schreib-Gesamtzeit 0: %+v", st)
}
}
func TestNewServer_EnvOverride(t *testing.T) {
t.Setenv(EnvReadHeaderTimeout, "3")
if got := NewServer(":0", nil, Options{}).ReadHeaderTimeout; got != 3*time.Second {
t.Fatalf("got %v", got)
}
}
func TestMaxBodyBytes_EnvOverride(t *testing.T) {
if MaxBodyBytes() != DefaultMaxBodyBytes {
t.Fatal("Standard")
}
t.Setenv(EnvMaxBodyBytes, "2048")
if MaxBodyBytes() != 2048 {
t.Fatal("Env")
}
}
// Slowloris: Verbindung sendet unvollstaendige Header, der Server trennt nach ReadHeaderTimeout.
func TestSlowHeadersAreClosed(t *testing.T) {
t.Setenv(EnvReadHeaderTimeout, "1")
srv := NewServer("127.0.0.1:0", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {}), Options{})
ln, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
go srv.Serve(ln)
defer srv.Close()
conn, err := net.Dial("tcp", ln.Addr().String())
if err != nil {
t.Fatal(err)
}
defer conn.Close()
if _, err := conn.Write([]byte("GET / HTTP/1.1\r\nHost: x\r\nX-Slow: a")); err != nil {
t.Fatal(err)
}
conn.SetReadDeadline(time.Now().Add(5 * time.Second))
start := time.Now()
_, err = bufio.NewReader(conn).ReadByte()
if err == nil {
t.Log("Server antwortete (z. B. 408)")
}
if time.Since(start) > 4*time.Second {
t.Fatalf("Verbindung wurde nicht nach dem Header-Timeout beendet (%v)", time.Since(start))
}
}
+4 -1
View File
@@ -210,5 +210,8 @@ func (w *captureWriter) Header() http.Header {
}
return w.header
}
func (w *captureWriter) Write(p []byte) (int, error) { w.body = append(w.body, p...); return len(p), nil }
func (w *captureWriter) Write(p []byte) (int, error) {
w.body = append(w.body, p...)
return len(p), nil
}
func (w *captureWriter) WriteHeader(statusCode int) {}
+1 -1
View File
@@ -17,7 +17,7 @@ import (
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/internal/apierror"
"gitea.perlbach24.de/scripte/nexarch/common/apierror"
"gitea.perlbach24.de/scripte/nexarch/internal/httpclient"
)
+1 -1
View File
@@ -4,8 +4,8 @@ import (
"context"
"testing"
"gitea.perlbach24.de/scripte/nexarch/internal/testdb"
"gitea.perlbach24.de/scripte/nexarch/internal/tenantmatch"
"gitea.perlbach24.de/scripte/nexarch/internal/testdb"
)
// MAP-03 konsumiert ausschliesslich Approved() -- dieser Test stellt sicher,
+1 -1
View File
@@ -8,8 +8,8 @@ import (
"github.com/jackc/pgx/v5/pgxpool"
"gitea.perlbach24.de/scripte/nexarch/internal/testdb"
"gitea.perlbach24.de/scripte/nexarch/internal/tenantmatch"
"gitea.perlbach24.de/scripte/nexarch/internal/testdb"
)
func setupSchema(t *testing.T, ctx context.Context, pool *pgxpool.Pool) {
@@ -10,7 +10,7 @@ import (
"errors"
"net/http"
"gitea.perlbach24.de/scripte/nexarch/internal/apierror"
"gitea.perlbach24.de/scripte/nexarch/common/apierror"
"gitea.perlbach24.de/scripte/nexarch/internal/tenantimportdir"
)