feat: Payment Terminal Compliance Modul — Phase 1+2
1. Control-Bibliothek: 130 Controls in 10 Domaenen (payment_controls_v1.json) - PAY (20): Transaction Flow, Idempotenz, State Machine - LOG (15): Audit Trail, PAN-Maskierung, Event-Typen - CRYPTO (15): Secrets, HSM, P2PE, TLS - API (15): Auth, RBAC, Rate Limiting, Injection - TERM (15): ZVT/OPI, Heartbeat, Offline-Queue - FW (10): Firmware Signing, Secure Boot, Tamper Detection - REP (10): Reconciliation, Tagesabschluss, GoBD - ACC (10): MFA, Session, Least Privilege - ERR (10): Recovery, Circuit Breaker, Offline-Modus - BLD (10): CI/CD, SBOM, Container Scanning 2. Backend: DB Migration 024, Go Handler (5 Endpoints), Routes 3. Frontend: /sdk/payment-compliance mit Control-Browser + Assessment-Wizard Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Benjamin Admin
285
ai-compliance-sdk/internal/api/handlers/payment_handlers.go
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285
ai-compliance-sdk/internal/api/handlers/payment_handlers.go
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package handlers
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import (
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"encoding/json"
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"net/http"
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"os"
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"path/filepath"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"github.com/jackc/pgx/v5/pgxpool"
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)
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// PaymentHandlers handles payment compliance endpoints
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type PaymentHandlers struct {
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pool *pgxpool.Pool
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controls *PaymentControlLibrary
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}
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// PaymentControlLibrary holds the control catalog
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type PaymentControlLibrary struct {
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Domains []PaymentDomain `json:"domains"`
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Controls []PaymentControl `json:"controls"`
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}
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type PaymentDomain struct {
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ID string `json:"id"`
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Name string `json:"name"`
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Description string `json:"description"`
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}
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type PaymentControl struct {
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ControlID string `json:"control_id"`
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Domain string `json:"domain"`
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Title string `json:"title"`
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Objective string `json:"objective"`
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CheckTarget string `json:"check_target"`
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Evidence []string `json:"evidence"`
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Automation string `json:"automation"`
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}
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type PaymentAssessment struct {
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ID uuid.UUID `json:"id"`
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TenantID uuid.UUID `json:"tenant_id"`
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ProjectName string `json:"project_name"`
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TenderReference string `json:"tender_reference,omitempty"`
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CustomerName string `json:"customer_name,omitempty"`
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Description string `json:"description,omitempty"`
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SystemType string `json:"system_type,omitempty"`
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PaymentMethods json.RawMessage `json:"payment_methods,omitempty"`
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Protocols json.RawMessage `json:"protocols,omitempty"`
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TotalControls int `json:"total_controls"`
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ControlsPassed int `json:"controls_passed"`
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ControlsFailed int `json:"controls_failed"`
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ControlsPartial int `json:"controls_partial"`
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ControlsNA int `json:"controls_not_applicable"`
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ControlsUnchecked int `json:"controls_not_checked"`
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ComplianceScore float64 `json:"compliance_score"`
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Status string `json:"status"`
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ControlResults json.RawMessage `json:"control_results,omitempty"`
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CreatedAt time.Time `json:"created_at"`
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UpdatedAt time.Time `json:"updated_at"`
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CreatedBy string `json:"created_by,omitempty"`
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}
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// NewPaymentHandlers creates payment handlers with loaded control library
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func NewPaymentHandlers(pool *pgxpool.Pool) *PaymentHandlers {
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lib := loadControlLibrary()
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return &PaymentHandlers{pool: pool, controls: lib}
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}
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func loadControlLibrary() *PaymentControlLibrary {
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// Try to load from policies directory
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paths := []string{
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"policies/payment_controls_v1.json",
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"/app/policies/payment_controls_v1.json",
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}
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for _, p := range paths {
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data, err := os.ReadFile(p)
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if err != nil {
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// Try relative to executable
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execDir, _ := os.Executable()
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altPath := filepath.Join(filepath.Dir(execDir), p)
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data, err = os.ReadFile(altPath)
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if err != nil {
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continue
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}
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}
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var lib PaymentControlLibrary
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if err := json.Unmarshal(data, &lib); err == nil {
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return &lib
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}
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}
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return &PaymentControlLibrary{}
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}
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// ListControls returns the control library
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func (h *PaymentHandlers) ListControls(c *gin.Context) {
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domain := c.Query("domain")
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automation := c.Query("automation")
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controls := h.controls.Controls
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if domain != "" {
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var filtered []PaymentControl
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for _, ctrl := range controls {
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if ctrl.Domain == domain {
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filtered = append(filtered, ctrl)
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}
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}
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controls = filtered
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}
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if automation != "" {
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var filtered []PaymentControl
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for _, ctrl := range controls {
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if ctrl.Automation == automation {
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filtered = append(filtered, ctrl)
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}
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}
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controls = filtered
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}
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c.JSON(http.StatusOK, gin.H{
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"controls": controls,
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"domains": h.controls.Domains,
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"total": len(controls),
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})
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}
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// CreateAssessment creates a new payment compliance assessment
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func (h *PaymentHandlers) CreateAssessment(c *gin.Context) {
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var req PaymentAssessment
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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tenantID, _ := uuid.Parse(c.GetHeader("X-Tenant-ID"))
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if tenantID == uuid.Nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "tenant ID required"})
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return
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}
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req.ID = uuid.New()
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req.TenantID = tenantID
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req.Status = "draft"
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req.TotalControls = len(h.controls.Controls)
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req.ControlsUnchecked = req.TotalControls
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req.CreatedAt = time.Now()
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req.UpdatedAt = time.Now()
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_, err := h.pool.Exec(c.Request.Context(), `
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INSERT INTO payment_compliance_assessments (
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id, tenant_id, project_name, tender_reference, customer_name, description,
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system_type, payment_methods, protocols,
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total_controls, controls_not_checked, status, created_by
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) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13)`,
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req.ID, req.TenantID, req.ProjectName, req.TenderReference, req.CustomerName, req.Description,
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req.SystemType, req.PaymentMethods, req.Protocols,
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req.TotalControls, req.ControlsUnchecked, req.Status, req.CreatedBy,
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)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusCreated, req)
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}
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// ListAssessments lists all payment assessments for a tenant
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func (h *PaymentHandlers) ListAssessments(c *gin.Context) {
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tenantID, _ := uuid.Parse(c.GetHeader("X-Tenant-ID"))
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if tenantID == uuid.Nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "tenant ID required"})
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return
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}
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rows, err := h.pool.Query(c.Request.Context(), `
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SELECT id, tenant_id, project_name, tender_reference, customer_name,
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system_type, total_controls, controls_passed, controls_failed,
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controls_partial, controls_not_applicable, controls_not_checked,
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compliance_score, status, created_at, updated_at
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FROM payment_compliance_assessments
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WHERE tenant_id = $1
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ORDER BY created_at DESC`, tenantID)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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defer rows.Close()
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var assessments []PaymentAssessment
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for rows.Next() {
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var a PaymentAssessment
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rows.Scan(&a.ID, &a.TenantID, &a.ProjectName, &a.TenderReference, &a.CustomerName,
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&a.SystemType, &a.TotalControls, &a.ControlsPassed, &a.ControlsFailed,
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&a.ControlsPartial, &a.ControlsNA, &a.ControlsUnchecked,
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&a.ComplianceScore, &a.Status, &a.CreatedAt, &a.UpdatedAt)
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assessments = append(assessments, a)
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}
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if assessments == nil {
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assessments = []PaymentAssessment{}
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}
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c.JSON(http.StatusOK, gin.H{"assessments": assessments, "total": len(assessments)})
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}
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// GetAssessment returns a single assessment with control results
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func (h *PaymentHandlers) GetAssessment(c *gin.Context) {
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id, err := uuid.Parse(c.Param("id"))
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "invalid ID"})
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return
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}
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var a PaymentAssessment
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err = h.pool.QueryRow(c.Request.Context(), `
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SELECT id, tenant_id, project_name, tender_reference, customer_name, description,
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system_type, payment_methods, protocols,
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total_controls, controls_passed, controls_failed, controls_partial,
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controls_not_applicable, controls_not_checked, compliance_score,
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status, control_results, created_at, updated_at, created_by
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FROM payment_compliance_assessments WHERE id = $1`, id).Scan(
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&a.ID, &a.TenantID, &a.ProjectName, &a.TenderReference, &a.CustomerName, &a.Description,
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&a.SystemType, &a.PaymentMethods, &a.Protocols,
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&a.TotalControls, &a.ControlsPassed, &a.ControlsFailed, &a.ControlsPartial,
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&a.ControlsNA, &a.ControlsUnchecked, &a.ComplianceScore,
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&a.Status, &a.ControlResults, &a.CreatedAt, &a.UpdatedAt, &a.CreatedBy)
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if err != nil {
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c.JSON(http.StatusNotFound, gin.H{"error": "assessment not found"})
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return
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}
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c.JSON(http.StatusOK, a)
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}
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// UpdateControlVerdict updates the verdict for a single control
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func (h *PaymentHandlers) UpdateControlVerdict(c *gin.Context) {
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id, err := uuid.Parse(c.Param("id"))
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "invalid ID"})
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return
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}
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var body struct {
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ControlID string `json:"control_id"`
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Verdict string `json:"verdict"` // passed, failed, partial, na, unchecked
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Evidence string `json:"evidence,omitempty"`
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Notes string `json:"notes,omitempty"`
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}
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if err := c.ShouldBindJSON(&body); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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// Update the control_results JSONB and recalculate scores
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_, err = h.pool.Exec(c.Request.Context(), `
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WITH updated AS (
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SELECT id,
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COALESCE(control_results, '[]'::jsonb) AS existing_results
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FROM payment_compliance_assessments WHERE id = $1
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)
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UPDATE payment_compliance_assessments SET
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control_results = (
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SELECT jsonb_agg(
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CASE WHEN elem->>'control_id' = $2 THEN
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jsonb_build_object('control_id', $2, 'verdict', $3, 'evidence', $4, 'notes', $5)
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ELSE elem END
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) FROM updated, jsonb_array_elements(
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CASE WHEN existing_results @> jsonb_build_array(jsonb_build_object('control_id', $2))
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THEN existing_results
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ELSE existing_results || jsonb_build_array(jsonb_build_object('control_id', $2, 'verdict', $3, 'evidence', $4, 'notes', $5))
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END
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) AS elem
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),
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updated_at = NOW()
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WHERE id = $1`,
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id, body.ControlID, body.Verdict, body.Evidence, body.Notes)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{"status": "updated", "control_id": body.ControlID, "verdict": body.Verdict})
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}
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