implemented verifiaction db

api/pkg/db/internal/mongo/verificationimp/create.go

@@ -0,0 +1,74 @@
+package verificationimp
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/base64"
+	"time"
+
+	"github.com/tech/sendico/pkg/model"
+	"github.com/tech/sendico/pkg/mutil/mzap"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.uber.org/zap"
+)
+
+const verificationTokenBytes = 32
+
+func newVerificationToken(
+	accountRef bson.ObjectID,
+	purpose model.VerificationPurpose,
+	target string,
+	ttl time.Duration,
+) (*model.VerificationToken, string, error) {
+
+	raw := make([]byte, verificationTokenBytes)
+	if _, err := rand.Read(raw); err != nil {
+		return nil, "", err
+	}
+
+	rawToken := base64.RawURLEncoding.EncodeToString(raw)
+
+	hashStr := tokenHash(rawToken)
+
+	now := time.Now().UTC()
+
+	token := &model.VerificationToken{
+		AccountRef:      accountRef,
+		Purpose:         purpose,
+		Target:          target,
+		VerifyTokenHash: hashStr,
+		UsedAt:          nil,
+		ExpiresAt:       now.Add(ttl),
+	}
+
+	return token, rawToken, nil
+}
+
+func (db *verificationDB) Create(
+	ctx context.Context,
+	accountRef bson.ObjectID,
+	purpose model.VerificationPurpose,
+	target string,
+	ttl time.Duration,
+) (string, error) {
+
+	logFields := []zap.Field{
+		zap.String("purpose", string(purpose)), zap.Duration("ttl", ttl),
+		mzap.AccRef(accountRef), zap.String("target", target),
+	}
+
+	token, raw, err := newVerificationToken(accountRef, purpose, target, ttl)
+	if err != nil {
+		db.Logger.Warn("Failed to generate verification token", append(logFields, zap.Error(err))...)
+		return "", err
+	}
+
+	if err := db.DBImp.Create(ctx, token); err != nil {
+		db.Logger.Warn("Failed to persist verification token", append(logFields, zap.Error(err))...)
+		return "", err
+	}
+
+	db.Logger.Debug("Verification token created", append(logFields, zap.String("hash", token.VerifyTokenHash))...)
+
+	return raw, nil
+}