Comprehensive security hardening from audit findings: - Add validation tags to all DTO request structs (max lengths, ranges, enums) - Replace unsafe type assertions with MustGetAuthUser helper across all handlers - Remove query-param token auth from admin middleware (prevents URL token leakage) - Add request validation calls in handlers that were missing c.Validate() - Remove goroutines in handlers (timezone update now synchronous) - Add sanitize middleware and path traversal protection (path_utils) - Stop resetting admin passwords on migration restart - Warn on well-known default SECRET_KEY - Add ~30 new test files covering security regressions, auth safety, repos, and services - Add deploy/ config, audit digests, and AUDIT_FINDINGS documentation Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
package handlers
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import (
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"encoding/base64"
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"net/http"
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"github.com/labstack/echo/v4"
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"github.com/rs/zerolog/log"
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"github.com/treytartt/casera-api/internal/services"
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)
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// TrackingHandler handles email tracking endpoints
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type TrackingHandler struct {
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onboardingService *services.OnboardingEmailService
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}
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// NewTrackingHandler creates a new tracking handler
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func NewTrackingHandler(onboardingService *services.OnboardingEmailService) *TrackingHandler {
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return &TrackingHandler{
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onboardingService: onboardingService,
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}
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}
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// 1x1 transparent GIF (43 bytes)
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var transparentGIF, _ = base64.StdEncoding.DecodeString("R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7")
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// TrackEmailOpen handles email open tracking via tracking pixel
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// GET /api/track/open/:trackingID
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func (h *TrackingHandler) TrackEmailOpen(c echo.Context) error {
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trackingID := c.Param("trackingID")
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if trackingID != "" && h.onboardingService != nil {
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// Record the open (async, don't block response)
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go func() {
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defer func() {
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if r := recover(); r != nil {
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log.Error().Interface("panic", r).Str("tracking_id", trackingID).Msg("Panic in email open tracking goroutine")
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}
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}()
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if err := h.onboardingService.RecordEmailOpened(trackingID); err != nil {
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log.Error().Err(err).Str("tracking_id", trackingID).Msg("Failed to record email open")
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}
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}()
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}
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// Return 1x1 transparent GIF
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c.Response().Header().Set("Content-Type", "image/gif")
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c.Response().Header().Set("Cache-Control", "no-store, no-cache, must-revalidate, proxy-revalidate")
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c.Response().Header().Set("Pragma", "no-cache")
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c.Response().Header().Set("Expires", "0")
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return c.Blob(http.StatusOK, "image/gif", transparentGIF)
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}
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