Add tenancy to seen and otp services

otp/handler/otp.go

@@ -23,7 +23,7 @@ func (e *Otp) Generate(ctx context.Context, req *pb.GenerateRequest, rsp *pb.Gen
 	// check if a key exists for the user
 	var secret string
 
-	if err := cache.Get(req.Id, &secret); err != nil {
+	if err := cache.Context(ctx).Get(req.Id, &secret); err != nil {
 		// generate a key
 		key, err := totp.Generate(totp.GenerateOpts{
 			Issuer:      "Micro",
@@ -38,7 +38,7 @@ func (e *Otp) Generate(ctx context.Context, req *pb.GenerateRequest, rsp *pb.Gen
 
 		secret = key.Secret()
 
-		if err := cache.Put(req.Id, secret, time.Now().Add(time.Minute*5)); err != nil {
+		if err := cache.Context(ctx).Put(req.Id, secret, time.Now().Add(time.Minute*5)); err != nil {
 			logger.Error("Failed to store secret: %v", err)
 			return errors.InternalServerError("otp.generate", "failed to generate code")
 		}
@@ -72,7 +72,7 @@ func (e *Otp) Validate(ctx context.Context, req *pb.ValidateRequest, rsp *pb.Val
 
 	var secret string
 
-	if err := cache.Get(req.Id, &secret); err != nil {
+	if err := cache.Context(ctx).Get(req.Id, &secret); err != nil {
 		logger.Error("Failed to get secret from store: %v", err)
 		return errors.InternalServerError("otp.generate", "failed to validate code")
 	}

pkg/cache/cache.go

@@ -2,20 +2,26 @@
 package cache
 
 import (
+	"context"
 	"encoding/json"
+	"fmt"
 	"time"
 
 	"github.com/micro/micro/v3/service/store"
+	"github.com/micro/services/pkg/tenant"
 )
 
 type Cache interface {
+	// Context returns a tenant scoped Cache
+	Context(ctx context.Context) Cache
 	Get(key string, val interface{}) error
 	Put(key string, val interface{}, expires time.Time) error
 	Delete(key string) error
 }
 
 type cache struct {
-	Store store.Store
+	Store  store.Store
+	Prefix string
 }
 
 var (
@@ -23,7 +29,25 @@ var (
 )
 
 func New(st store.Store) Cache {
-	return &cache{st}
+	return &cache{Store: st}
+}
+
+func (c *cache) Key(k string) string {
+	if len(c.Prefix) > 0 {
+		return fmt.Sprintf("%s/%s", c.Prefix, k)
+	}
+	return k
+}
+
+func (c *cache) Context(ctx context.Context) Cache {
+	t, ok := tenant.FromContext(ctx)
+	if !ok {
+		return c
+	}
+	return &cache{
+		Store:  c.Store,
+		Prefix: t,
+	}
 }
 
 func (c *cache) Get(key string, val interface{}) error {
@@ -31,7 +55,7 @@ func (c *cache) Get(key string, val interface{}) error {
 		c.Store = store.DefaultStore
 	}
 
-	recs, err := c.Store.Read(key, store.ReadLimit(1))
+	recs, err := c.Store.Read(c.Key(key), store.ReadLimit(1))
 	if err != nil {
 		return err
 	}
@@ -57,7 +81,7 @@ func (c *cache) Put(key string, val interface{}, expires time.Time) error {
 		expiry = time.Duration(0)
 	}
 	return c.Store.Write(&store.Record{
-		Key:    key,
+		Key:    c.Key(key),
 		Value:  b,
 		Expiry: expiry,
 	})
@@ -67,7 +91,11 @@ func (c *cache) Delete(key string) error {
 	if c.Store == nil {
 		c.Store = store.DefaultStore
 	}
-	return c.Store.Delete(key)
+	return c.Store.Delete(c.Key(key))
+}
+
+func Context(ctx context.Context) Cache {
+	return DefaultCache.Context(ctx)
 }
 
 func Get(key string, val interface{}) error {

pkg/tenant/tenant.go

@@ -0,0 +1,27 @@
+// Package tenant provides multi-tenancy helpers
+package tenant
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/micro/micro/v3/service/auth"
+)
+
+// FromContext returns a tenant from the context
+func FromContext(ctx context.Context) (string, bool) {
+	acc, ok := auth.AccountFromContext(ctx)
+	if !ok {
+		return "", false
+	}
+	return FromAccount(acc), true
+}
+
+// FromAccount returns a tenant from
+func FromAccount(acc *auth.Account) string {
+	owner := acc.Metadata["apikey_owner"]
+	if len(owner) == 0 {
+		owner = acc.ID
+	}
+	return fmt.Sprintf("%s/%s", acc.Issuer, owner)
+}

seen/handler/handler.go

@@ -12,6 +12,7 @@ import (
 	"github.com/micro/micro/v3/service/errors"
 	"github.com/micro/micro/v3/service/logger"
 	"github.com/micro/micro/v3/service/store"
+	"github.com/micro/services/pkg/tenant"
 	pb "github.com/micro/services/seen/proto"
 	"google.golang.org/protobuf/types/known/timestamppb"
 )
@@ -34,8 +35,15 @@ type Record struct {
 	Timestamp    time.Time
 }
 
-func (r *Record) Key() string {
-	return fmt.Sprintf("%s:%s:%s", r.UserID, r.ResourceType, r.ResourceID)
+func (r *Record) Key(ctx context.Context) string {
+	key := fmt.Sprintf("%s:%s:%s", r.UserID, r.ResourceType, r.ResourceID)
+
+	t, ok := tenant.FromContext(ctx)
+	if !ok {
+		return key
+	}
+
+	return fmt.Sprintf("%s/%s", t, key)
 }
 
 func (r *Record) Marshal() []byte {
@@ -76,7 +84,7 @@ func (s *Seen) Set(ctx context.Context, req *pb.SetRequest, rsp *pb.SetResponse)
 		ResourceType: req.ResourceType,
 	}
 
-	_, err := store.Read(instance.Key(), store.ReadLimit(1))
+	_, err := store.Read(instance.Key(ctx), store.ReadLimit(1))
 	if err == store.ErrNotFound {
 		instance.ID = uuid.New().String()
 	} else if err != nil {
@@ -88,7 +96,7 @@ func (s *Seen) Set(ctx context.Context, req *pb.SetRequest, rsp *pb.SetResponse)
 	instance.Timestamp = req.Timestamp.AsTime()
 
 	if err := store.Write(&store.Record{
-		Key:   instance.Key(),
+		Key:   instance.Key(ctx),
 		Value: instance.Marshal(),
 	}); err != nil {
 		logger.Errorf("Error with store: %v", err)
@@ -123,7 +131,7 @@ func (s *Seen) Unset(ctx context.Context, req *pb.UnsetRequest, rsp *pb.UnsetRes
 	}
 
 	// delete the object from the store
-	if err := store.Delete(instance.Key()); err != nil {
+	if err := store.Delete(instance.Key(ctx)); err != nil {
 		logger.Errorf("Error with store: %v", err)
 		return ErrStore
 	}
@@ -150,8 +158,10 @@ func (s *Seen) Read(ctx context.Context, req *pb.ReadRequest, rsp *pb.ReadRespon
 		return ErrMissingResourceType
 	}
 
-	// create a key prefix
-	key := fmt.Sprintf("%s:%s:", req.UserId, req.ResourceType)
+	rec := &Record{
+		UserID:       req.UserId,
+		ResourceType: req.ResourceType,
+	}
 
 	var recs []*store.Record
 	var err error
@@ -159,9 +169,14 @@ func (s *Seen) Read(ctx context.Context, req *pb.ReadRequest, rsp *pb.ReadRespon
 	// get the records for the resource type
 	if len(req.ResourceIds) == 1 {
 		// read the key itself
-		key = key + req.ResourceIds[0]
+		rec.ResourceId = req.ResourceIds[0]
+		// gen key
+		key = rec.Key(ctx)
+		// get the record
 		recs, err = store.Read(key, store.ReadLimit(1))
 	} else {
+		// create a key prefix
+		key := rec.Key(ctx)
 		// otherwise read the prefix
 		recs, err = store.Read(key, store.ReadPrefix())
 	}