find lint revision in encryption api server codes

src/github.com/matrix-org/dendrite/cmd/dendrite-monolith-server/main.go

@@ -32,9 +32,9 @@ import (
 	"github.com/matrix-org/dendrite/roomserver"
 	"github.com/matrix-org/dendrite/syncapi"
 
+	"github.com/matrix-org/dendrite/encryptoapi"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
 	"github.com/sirupsen/logrus"
-	"github.com/matrix-org/dendrite/encryptoapi"
 )
 
 var (
@@ -57,7 +57,7 @@ func main() {
 
 	alias, input, query := roomserver.SetupRoomServerComponent(base)
 
-	encryptoapi.SetupEcryptoapi(base, accountDB, deviceDB)
+	encryptoapi.SetupEcryptoapi(base, deviceDB)
 
 	clientapi.SetupClientAPIComponent(
 		base, deviceDB, accountDB,

src/github.com/matrix-org/dendrite/encryptoapi/encryptoapi.go

@@ -15,10 +15,9 @@
 package encryptoapi
 
 import (
-	"github.com/matrix-org/dendrite/common/basecomponent"
-	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
-	"github.com/matrix-org/dendrite/encryptoapi/routing"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
+	"github.com/matrix-org/dendrite/common/basecomponent"
+	"github.com/matrix-org/dendrite/encryptoapi/routing"
 	"github.com/matrix-org/dendrite/encryptoapi/storage"
 	"github.com/sirupsen/logrus"
 )
@@ -27,9 +26,10 @@ import (
 // , CMD should involve this invoke into main function
 // , a setup need an assemble of i.e configs as base and
 // accountDB and deviceDB
+
+// SetupEcryptoapi set up to servers
 func SetupEcryptoapi(
 	base *basecomponent.BaseDendrite,
-	accountsDB *accounts.Database,
 	deviceDB *devices.Database,
 ) {
 	encryptionDB, err := storage.NewDatabase(string(base.Cfg.Database.EncryptAPI))
@@ -38,9 +38,7 @@ func SetupEcryptoapi(
 	}
 	routing.Setup(
 		base.APIMux,
-		*base.Cfg,
 		encryptionDB,
-		accountsDB,
 		deviceDB,
 	)
 	routing.InitNotifier(base)

src/github.com/matrix-org/dendrite/encryptoapi/routing/keys.go

@@ -15,33 +15,43 @@
 package routing
 
 import (
-	"github.com/matrix-org/util"
-	"github.com/matrix-org/dendrite/encryptoapi/storage"
-	"net/http"
-	"github.com/matrix-org/dendrite/clientapi/httputil"
-	"github.com/matrix-org/dendrite/encryptoapi/types"
 	"context"
-	"github.com/pkg/errors"
-	"strings"
-	"fmt"
 	"encoding/json"
-	"time"
+	"fmt"
-	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
-	"github.com/matrix-org/gomatrixserverlib"
-	"github.com/matrix-org/dendrite/common/basecomponent"
 	"github.com/Shopify/sarama"
+	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
+	"github.com/matrix-org/dendrite/clientapi/httputil"
+	"github.com/matrix-org/dendrite/common/basecomponent"
+	"github.com/matrix-org/dendrite/encryptoapi/storage"
+	"github.com/matrix-org/dendrite/encryptoapi/types"
+	"github.com/matrix-org/gomatrixserverlib"
+	"github.com/matrix-org/util"
+	"github.com/pkg/errors"
+	"net/http"
+	"strings"
+	"time"
 )
 
 const (
-	TYPESUM          = iota
+	// TYPESUM sum type
-	TYPECLAIM
+	TYPESUM = iota
-	TYPEVAL
+	// BODYDEVICEKEY device key body
 	BODYDEVICEKEY
+	// BODYONETIMEKEY one time key
 	BODYONETIMEKEY
+	// ONETIMEKEYSTRING key string
 	ONETIMEKEYSTRING
+	// ONETIMEKEYOBJECT key object
 	ONETIMEKEYOBJECT
 )
 
+// ONETIMEKEYSTR stands for storage string property
+const ONETIMEKEYSTR = "one_time_key"
+
+// DEVICEKEYSTR stands for storage string property
+const DEVICEKEYSTR = "device_key"
+
+// KeyNotifier kafka notifier
 type KeyNotifier struct {
 	base *basecomponent.BaseDendrite
 	ch   sarama.AsyncProducer
@@ -49,32 +59,30 @@ type KeyNotifier struct {
 
 var keyProducer = &KeyNotifier{}
 
-// this function is for user upload his device key, and one-time-key
+// UploadPKeys this function is for user upload his device key, and one-time-key to a limit at 50 set as default
-// to a limit at 50 set as default
 func UploadPKeys(
 	req *http.Request,
 	encryptionDB *storage.Database,
 	userID, deviceID string,
 ) util.JSONResponse {
 	var keybody types.UploadEncrypt
-	if reqErr := httputil.UnmarshalJSONRequest(req, &keybody);
+	if reqErr := httputil.UnmarshalJSONRequest(req, &keybody); reqErr != nil {
-		reqErr != nil {
 		return *reqErr
 	}
 	keySpecific := turnSpecific(keybody)
 	// persist keys into encryptionDB
 	err := persistKeys(
-		encryptionDB,
 		req.Context(),
+		encryptionDB,
 		&keySpecific,
 		userID, deviceID)
 	// numMap is algorithm-num map
 	numMap := (QueryOneTimeKeys(
+		req.Context(),
 		TYPESUM,
 		userID,
 		deviceID,
-		encryptionDB,
+		encryptionDB)).(map[string]int)
-		req.Context())).(map[string]int)
 	if err != nil {
 		return util.JSONResponse{
 			Code: http.StatusBadGateway,
@@ -91,19 +99,19 @@ func UploadPKeys(
 	}
 }
 
-// this function is for user query other's device key
+// QueryPKeys this function is for user query other's device key
 func QueryPKeys(
 	req *http.Request,
 	encryptionDB *storage.Database,
-	userID, deviceID string,
+	deviceID string,
 	deviceDB *devices.Database,
 ) util.JSONResponse {
+	var err error
 	var queryRq types.QueryRequest
 	queryRp := types.QueryResponse{}
 	queryRp.Failure = make(map[string]interface{})
 	queryRp.DeviceKeys = make(map[string]map[string]types.DeviceKeysQuery)
-	if reqErr := httputil.UnmarshalJSONRequest(req, &queryRq);
+	if reqErr := httputil.UnmarshalJSONRequest(req, &queryRq); reqErr != nil {
-		reqErr != nil {
 		return *reqErr
 	}
 
@@ -129,6 +137,8 @@ func QueryPKeys(
 			queryRp.Failure = make(map[string]interface{})
 			// todo: key in this map is restricted to username at the end, yet a mocked one.
 			queryRp.Failure["@alice:localhost"] = "ran out of offered time"
+		case <-make(chan interface{}):
+			// todo : here goes federation chan , still a mocked one
 		}
 	}
 
@@ -139,50 +149,35 @@ func QueryPKeys(
 		// backward compatible to old interface
 		midArr := []string{}
 		// figure out device list from devices described as device which is actually deviceID
-		for device, _ := range arr.(map[string]interface{}) {
+		for device := range arr.(map[string]interface{}) {
 			midArr = append(midArr, device)
 		}
 		// all device keys
 		dkeys, _ := encryptionDB.QueryInRange(req.Context(), uid, midArr)
 		// build response for them
-		for _, key := range dkeys {
-			// preset for complicated nested map struct
-			if _, ok := deviceKeysQueryMap[key.Device_id]; !ok {
-				// make consistency
-				deviceKeysQueryMap[key.Device_id] = types.DeviceKeysQuery{}
-			}
-			if deviceKeysQueryMap[key.Device_id].Signature == nil {
-				mid := make(map[string]map[string]string)
-				midmap := deviceKeysQueryMap[key.Device_id]
-				midmap.Signature = mid
-				deviceKeysQueryMap[key.Device_id] = midmap
-			}
-			if deviceKeysQueryMap[key.Device_id].Keys == nil {
-				mid := make(map[string]string)
-				midmap := deviceKeysQueryMap[key.Device_id]
-				midmap.Keys = mid
-				deviceKeysQueryMap[key.Device_id] = midmap
-			}
-			if _, ok := deviceKeysQueryMap[key.Device_id].Signature[uid]; !ok {
-				// make consistency
-				deviceKeysQueryMap[key.Device_id].Signature[uid] = make(map[string]string)
-			}
-			// load for accomplishment
-			single := deviceKeysQueryMap[key.Device_id]
 
-			resKey := fmt.Sprintf("@%s:%s", key.Key_algorithm, key.Device_id)
+		for _, key := range dkeys {
+
+			deviceKeysQueryMap = presetDeviceKeysQueryMap(deviceKeysQueryMap, uid, key)
+			// load for accomplishment
+			single := deviceKeysQueryMap[key.DeviceID]
+			resKey := fmt.Sprintf("@%s:%s", key.KeyAlgorithm, key.DeviceID)
 			resBody := key.Key
-			if _, ok := single.Keys[resKey]; !ok {
-			}
 			single.Keys[resKey] = resBody
-			single.DeviceId = key.Device_id
+			single.DeviceID = key.DeviceID
-			single.UserId = key.User_id
+			single.UserID = key.UserID
-			single.Signature[uid][fmt.Sprintf("@%s:%s", "ed25519", key.Device_id)] = key.Signature
+			single.Signature[uid][fmt.Sprintf("@%s:%s", "ed25519", key.DeviceID)] = key.Signature
-			single.Algorithm, _ = takeAL(*encryptionDB, req.Context(), key.User_id, key.Device_id)
+			single.Algorithm, err = takeAL(req.Context(), *encryptionDB, key.UserID, key.DeviceID)
 			localpart, _, _ := gomatrixserverlib.SplitID('@', uid)
 			device, _ := deviceDB.GetDeviceByID(req.Context(), localpart, deviceID)
 			single.Unsigned.Info = device.DisplayName
-			deviceKeysQueryMap[key.Device_id] = single
+			deviceKeysQueryMap[key.DeviceID] = single
+		}
+	}
+	if err != nil {
+		return util.JSONResponse{
+			Code: http.StatusInternalServerError,
+			JSON: queryRp,
 		}
 	}
 	return util.JSONResponse{
@@ -191,12 +186,10 @@ func QueryPKeys(
 	}
 }
 
-// claim for one time key that may be used in session exchange in olm encryption
+// ClaimOneTimeKeys claim for one time key that may be used in session exchange in olm encryption
 func ClaimOneTimeKeys(
 	req *http.Request,
 	encryptionDB *storage.Database,
-	userID, deviceID string,
-	deviceDB *devices.Database,
 ) util.JSONResponse {
 	var claimRq types.ClaimRequest
 	claimRp := types.ClaimResponse{}
@@ -224,6 +217,8 @@ func ClaimOneTimeKeys(
 			claimRp.Failures = make(map[string]interface{})
 			// todo: key in this map is restricted to username at the end, yet a mocked one.
 			claimRp.Failures["@alice:localhost"] = "ran out of offered time"
+		case <-make(chan interface{}):
+			// todo : here goes federation chan , still a mocked one
 		}
 	}
 
@@ -236,21 +231,24 @@ func ClaimOneTimeKeys(
 			} else {
 				alTyp = ONETIMEKEYSTRING
 			}
-			key, err := pickOne(*encryptionDB, req.Context(), uid, deviceID, al)
+			key, err := pickOne(req.Context(), *encryptionDB, uid, deviceID, al)
 			if err != nil {
 				claimRp.Failures[uid] = fmt.Sprintf("%s:%s", "fail to get keys for device ", deviceID)
 			}
 			claimRp.ClaimBody[uid] = make(map[string]map[string]interface{})
-			keymap := claimRp.ClaimBody[uid][deviceID]
+			keyPreMap := claimRp.ClaimBody[uid]
-			keymap = make(map[string]interface{})
+			keymap := keyPreMap[deviceID]
+			if keymap == nil {
+				keymap = make(map[string]interface{})
+			}
 			switch alTyp {
 			case ONETIMEKEYSTRING:
-				keymap[fmt.Sprintf("%s:%s", al, key.Key_id)] = key.Key
+				keymap[fmt.Sprintf("%s:%s", al, key.KeyID)] = key.Key
 			case ONETIMEKEYOBJECT:
 				sig := make(map[string]map[string]string)
 				sig[uid] = make(map[string]string)
 				sig[uid][fmt.Sprintf("%s:%s", "ed25519", deviceID)] = key.Signature
-				keymap[fmt.Sprintf("%s:%s", al, key.Key_id)] = types.KeyObject{Key: key.Key, Signature: sig}
+				keymap[fmt.Sprintf("%s:%s", al, key.KeyID)] = types.KeyObject{Key: key.Key, Signature: sig}
 			}
 			claimRp.ClaimBody[uid][deviceID] = keymap
 		}
@@ -261,19 +259,12 @@ func ClaimOneTimeKeys(
 	}
 }
 
-func LookUpChangedPKeys() util.JSONResponse {
-	return util.JSONResponse{
-		Code: http.StatusOK,
-		JSON: struct{}{},
-	}
-}
-
 // todo: check through interface for duplicate and what type of request should it be
 // whether device or one time or both of them
 func checkUpload(req *types.UploadEncryptSpecific, typ int) bool {
 	if typ == BODYDEVICEKEY {
 		devicekey := req.DeviceKeys
-		if devicekey.UserId == "" {
+		if devicekey.UserID == "" {
 			return false
 		}
 	}
@@ -285,12 +276,12 @@ func checkUpload(req *types.UploadEncryptSpecific, typ int) bool {
 	return true
 }
 
-// todo: complete this field through claim type
+// QueryOneTimeKeys todo: complete this field through claim type
 func QueryOneTimeKeys(
+	ctx context.Context,
 	typ int,
 	userID, deviceID string,
 	encryptionDB *storage.Database,
-	ctx context.Context,
 ) interface{} {
 	if typ == TYPESUM {
 		res, _ := encryptionDB.SelectOneTimeKeyCount(ctx, deviceID, userID)
@@ -299,14 +290,14 @@ func QueryOneTimeKeys(
 	return nil
 }
 
+// ClearUnused when web client sign out, a clean should be processed, cause all keys would never been used from then on.
 // todo: complete this function and invoke through sign out extension or some scenarios else those matter
-// when web client sign out, a clean should be processed, cause all keys would never been used from then on.
 func ClearUnused() {}
 
 // persist both device keys and one time keys
 func persistKeys(
-	database *storage.Database,
 	ctx context.Context,
+	database *storage.Database,
 	body *types.UploadEncryptSpecific,
 	userID,
 	deviceID string,
@@ -319,73 +310,28 @@ func persistKeys(
 	if checkUpload(body, BODYDEVICEKEY) {
 		deviceKeys := body.DeviceKeys
 		al := deviceKeys.Algorithm
-		err = persistAl(*database, ctx, userID, deviceID, al)
+		err = persistAl(ctx, *database, userID, deviceID, al)
+		if err != nil {
+			return
+		}
 		if checkUpload(body, BODYONETIMEKEY) {
-			// insert one time keys firstly
+			if err = bothKeyProcess(ctx, body, userID, deviceID, database, deviceKeys); err != nil {
-			onetimeKeys := body.OneTimeKey
+				return
-			for al_keyID, val := range onetimeKeys.KeyString {
-				al := (strings.Split(al_keyID, ":"))[0]
-				keyID := (strings.Split(al_keyID, ":"))[1]
-				keyInfo := val
-				keyTyp := "one_time_key"
-				sig := ""
-				database.InsertKey(ctx, deviceID, userID, keyID, keyTyp, keyInfo, al, sig)
-			}
-			for al_keyID, val := range onetimeKeys.KeyObject {
-				al := (strings.Split(al_keyID, ":"))[0]
-				keyID := (strings.Split(al_keyID, ":"))[1]
-				keyInfo := val.Key
-				keyTyp := "one_time_key"
-				sig := val.Signature[userID][fmt.Sprintf("%s:%s", "ed25519", deviceID)]
-				database.InsertKey(ctx, deviceID, userID, keyID, keyTyp, keyInfo, al, sig)
-			}
-			// insert device keys
-			keys := deviceKeys.Keys
-			sigs := deviceKeys.Signature
-			for al_device, key := range keys {
-				al := (strings.Split(al_device, ":"))[0]
-				keyTyp := "device_key"
-				keyInfo := key
-				keyID := ""
-				sig := sigs[userID][fmt.Sprintf("%s:%s", "ed25519", deviceID)]
-				database.InsertKey(
-					ctx, deviceID, userID, keyID, keyTyp, keyInfo, al, sig)
 			}
 		} else {
-			keys := deviceKeys.Keys
+			if err = dkeyProcess(ctx, userID, deviceID, database, deviceKeys); err != nil {
-			sigs := deviceKeys.Signature
+				return
-			for al_device, key := range keys {
-				al := (strings.Split(al_device, ":"))[0]
-				keyTyp := "device_key"
-				keyInfo := key
-				keyID := ""
-				sig := sigs[userID][fmt.Sprintf("%s:%s", "ed25519", deviceID)]
-				database.InsertKey(ctx, deviceID, userID, keyID, keyTyp, keyInfo, al, sig)
 			}
 		}
 		// notifier to sync server
 		upnotify(userID)
 	} else {
 		if checkUpload(body, BODYONETIMEKEY) {
-			onetimeKeys := body.OneTimeKey
+			if err = otmKeyProcess(ctx, body, userID, deviceID, database); err != nil {
-			for al_keyID, val := range onetimeKeys.KeyString {
+				return
-				al := (strings.Split(al_keyID, ":"))[0]
-				keyID := (strings.Split(al_keyID, ":"))[1]
-				keyInfo := val
-				keyTyp := "one_time_key"
-				sig := ""
-				database.InsertKey(ctx, deviceID, userID, keyID, keyTyp, keyInfo, al, sig)
-			}
-			for al_keyID, val := range onetimeKeys.KeyObject {
-				al := (strings.Split(al_keyID, ":"))[0]
-				keyID := (strings.Split(al_keyID, ":"))[1]
-				keyInfo := val.Key
-				keyTyp := "one_time_key"
-				sig := val.Signature[userID][fmt.Sprintf("%s:%s", "ed25519", deviceID)]
-				database.InsertKey(ctx, deviceID, userID, keyID, keyTyp, keyInfo, al, sig)
 			}
 		} else {
-			return errors.New("Fail to touch keys !")
+			return errors.New("failed to touch keys")
 		}
 	}
 	return err
@@ -407,7 +353,10 @@ func turnSpecific(
 		} else {
 			valueObject := types.KeyObject{}
 			target, _ := json.Marshal(val)
-			json.Unmarshal(target, &valueObject)
+			err := json.Unmarshal(target, &valueObject)
+			if err != nil {
+				continue
+			}
 			spec.OneTimeKey.KeyObject[key] = valueObject
 		}
 	}
@@ -415,8 +364,8 @@ func turnSpecific(
 }
 
 func persistAl(
-	encryptDB storage.Database,
 	ctx context.Context,
+	encryptDB storage.Database,
 	uid, device string,
 	al []string,
 ) (err error) {
@@ -425,8 +374,8 @@ func persistAl(
 }
 
 func takeAL(
-	encryptDB storage.Database,
 	ctx context.Context,
+	encryptDB storage.Database,
 	uid, device string,
 ) (al []string, err error) {
 	al, err = encryptDB.SelectAl(ctx, uid, device)
@@ -434,12 +383,12 @@ func takeAL(
 }
 
 func pickOne(
-	encryptDB storage.Database,
 	ctx context.Context,
+	encryptDB storage.Database,
 	uid, device, al string,
 ) (key types.KeyHolder, err error) {
-key, err = encryptDB.SelectOneTimeKeySingle(ctx, uid, device, al)
+	key, err = encryptDB.SelectOneTimeKeySingle(ctx, uid, device, al)
-return
+	return
 }
 
 func upnotify(userID string) {
@@ -451,8 +400,138 @@ func upnotify(userID string) {
 	keyProducer.ch.Input() <- &m
 }
 
+// InitNotifier initialize kafka notifier
 func InitNotifier(base *basecomponent.BaseDendrite) {
 	keyProducer.base = base
 	pro, _ := sarama.NewAsyncProducer(base.Cfg.Kafka.Addresses, nil)
 	keyProducer.ch = pro
 }
+
+func presetDeviceKeysQueryMap(
+	deviceKeysQueryMap map[string]types.DeviceKeysQuery,
+	uid string,
+	key types.KeyHolder,
+) map[string]types.DeviceKeysQuery {
+	// preset for complicated nested map struct
+	if _, ok := deviceKeysQueryMap[key.DeviceID]; !ok {
+		// make consistency
+		deviceKeysQueryMap[key.DeviceID] = types.DeviceKeysQuery{}
+	}
+	if deviceKeysQueryMap[key.DeviceID].Signature == nil {
+		mid := make(map[string]map[string]string)
+		midmap := deviceKeysQueryMap[key.DeviceID]
+		midmap.Signature = mid
+		deviceKeysQueryMap[key.DeviceID] = midmap
+	}
+	if deviceKeysQueryMap[key.DeviceID].Keys == nil {
+		mid := make(map[string]string)
+		midmap := deviceKeysQueryMap[key.DeviceID]
+		midmap.Keys = mid
+		deviceKeysQueryMap[key.DeviceID] = midmap
+	}
+	if _, ok := deviceKeysQueryMap[key.DeviceID].Signature[uid]; !ok {
+		// make consistency
+		deviceKeysQueryMap[key.DeviceID].Signature[uid] = make(map[string]string)
+	}
+	return deviceKeysQueryMap
+}
+
+func bothKeyProcess(
+	ctx context.Context,
+	body *types.UploadEncryptSpecific,
+	userID, deviceID string,
+	database *storage.Database,
+	deviceKeys types.DeviceKeys,
+) (err error) {
+	// insert one time keys firstly
+	onetimeKeys := body.OneTimeKey
+	for alKeyID, val := range onetimeKeys.KeyString {
+		al := (strings.Split(alKeyID, ":"))[0]
+		keyID := (strings.Split(alKeyID, ":"))[1]
+		keyInfo := val
+		keyStringTyp := ONETIMEKEYSTR
+		sig := ""
+		err = database.InsertKey(ctx, deviceID, userID, keyID, keyStringTyp, keyInfo, al, sig)
+		if err != nil {
+			return
+		}
+	}
+	for alKeyID, val := range onetimeKeys.KeyObject {
+		al := (strings.Split(alKeyID, ":"))[0]
+		keyID := (strings.Split(alKeyID, ":"))[1]
+		keyInfo := val.Key
+		keyObjectTyp := ONETIMEKEYSTR
+		sig := val.Signature[userID][fmt.Sprintf("%s:%s", "ed25519", deviceID)]
+		err = database.InsertKey(ctx, deviceID, userID, keyID, keyObjectTyp, keyInfo, al, sig)
+		if err != nil {
+			return
+		}
+	}
+	// insert device keys
+	keys := deviceKeys.Keys
+	sigs := deviceKeys.Signature
+	for alDevice, key := range keys {
+		al := (strings.Split(alDevice, ":"))[0]
+		keyTyp := DEVICEKEYSTR
+		keyInfo := key
+		keyID := ""
+		sig := sigs[userID][fmt.Sprintf("%s:%s", "ed25519", deviceID)]
+		err = database.InsertKey(
+			ctx, deviceID, userID, keyID, keyTyp, keyInfo, al, sig)
+		if err != nil {
+			return
+		}
+	}
+	return
+}
+
+func dkeyProcess(
+	ctx context.Context,
+	userID, deviceID string,
+	database *storage.Database,
+	deviceKeys types.DeviceKeys,
+) (err error) {
+	keys := deviceKeys.Keys
+	sigs := deviceKeys.Signature
+	for alDevice, key := range keys {
+		al := (strings.Split(alDevice, ":"))[0]
+		keyTyp := DEVICEKEYSTR
+		keyInfo := key
+		keyID := ""
+		sig := sigs[userID][fmt.Sprintf("%s:%s", "ed25519", deviceID)]
+		err = database.InsertKey(ctx, deviceID, userID, keyID, keyTyp, keyInfo, al, sig)
+	}
+	return
+}
+
+func otmKeyProcess(
+	ctx context.Context,
+	body *types.UploadEncryptSpecific,
+	userID, deviceID string,
+	database *storage.Database,
+) (err error) {
+	onetimeKeys := body.OneTimeKey
+	for alKeyID, val := range onetimeKeys.KeyString {
+		al := (strings.Split(alKeyID, ":"))[0]
+		keyID := (strings.Split(alKeyID, ":"))[1]
+		keyInfo := val
+		oneTimeKeyStringTyp := ONETIMEKEYSTR
+		sig := ""
+		err = database.InsertKey(ctx, deviceID, userID, keyID, oneTimeKeyStringTyp, keyInfo, al, sig)
+		if err != nil {
+			return
+		}
+	}
+	for alKeyID, val := range onetimeKeys.KeyObject {
+		al := (strings.Split(alKeyID, ":"))[0]
+		keyID := (strings.Split(alKeyID, ":"))[1]
+		keyInfo := val.Key
+		oneTimeKeyObjectTyp := ONETIMEKEYSTR
+		sig := val.Signature[userID][fmt.Sprintf("%s:%s", "ed25519", deviceID)]
+		err = database.InsertKey(ctx, deviceID, userID, keyID, oneTimeKeyObjectTyp, keyInfo, al, sig)
+		if err != nil {
+			return
+		}
+	}
+	return
+}

src/github.com/matrix-org/dendrite/encryptoapi/routing/routing.go

@@ -19,26 +19,21 @@ import (
 
 	"github.com/gorilla/mux"
 	"github.com/matrix-org/dendrite/clientapi/auth/authtypes"
-	"github.com/matrix-org/dendrite/clientapi/auth/storage/accounts"
 	"github.com/matrix-org/dendrite/clientapi/auth/storage/devices"
 
 	"github.com/matrix-org/dendrite/common"
-	"github.com/matrix-org/dendrite/common/config"
 	"github.com/matrix-org/dendrite/encryptoapi/storage"
 	"github.com/matrix-org/util"
 )
 
-const pathPrefixR0 = "/_matrix/client/r0"
 const pathPrefixUnstable = "/_matrix/client/unstable"
 
+// Setup works for setting up encryption api server
 func Setup(
 	apiMux *mux.Router,
-	cfg config.Dendrite,
 	encryptionDB *storage.Database,
-	accountDB *accounts.Database,
 	deviceDB *devices.Database,
 ) {
-	//r0mux := apiMux.PathPrefix(pathPrefixR0).Subrouter()
 	unstablemux := apiMux.PathPrefix(pathPrefixUnstable).Subrouter()
 
 	unstablemux.Handle("/keys/upload/{deviceID}",
@@ -56,16 +51,14 @@ func Setup(
 	unstablemux.Handle("/keys/query",
 		common.MakeAuthAPI("query keys", deviceDB, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
 			//vars := mux.Vars(req)
-			return QueryPKeys(req, encryptionDB, device.UserID, device.ID, deviceDB)
+			return QueryPKeys(req, encryptionDB, device.ID, deviceDB)
 		}),
 	).Methods(http.MethodPost, http.MethodOptions)
 
 	unstablemux.Handle("/keys/claim",
 		common.MakeAuthAPI("claim keys", deviceDB, func(req *http.Request, device *authtypes.Device) util.JSONResponse {
-			//vars := mux.Vars(req)
+			return ClaimOneTimeKeys(req, encryptionDB)
-			return ClaimOneTimeKeys(req, encryptionDB, device.UserID, device.ID, deviceDB)
 		}),
 	).Methods(http.MethodPost, http.MethodOptions)
 
-
 }

src/github.com/matrix-org/dendrite/encryptoapi/storage/encrypt_algorithm.go

@@ -15,8 +15,8 @@
 package storage
 
 import (
-	"database/sql"
 	"context"
+	"database/sql"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/encryptoapi/types"
 )
@@ -59,29 +59,29 @@ func (s *alStatements) prepare(db *sql.DB) (err error) {
 }
 
 // persist algorithms
-func (ks *alStatements) insertAl(
+func (s *alStatements) insertAl(
 	ctx context.Context, txn *sql.Tx,
 	userID, deviceID, algorithms string,
 ) error {
-	stmt := common.TxStmt(txn, ks.insertAlStmt)
+	stmt := common.TxStmt(txn, s.insertAlStmt)
 	_, err := stmt.ExecContext(ctx, deviceID, userID, algorithms)
 	return err
 }
 
 // select algorithms
-func (ks *alStatements) selectAl(
+func (s *alStatements) selectAl(
 	ctx context.Context,
 	txn *sql.Tx,
-	userID, deviceID  string,
+	userID, deviceID string,
 ) (holder types.AlHolder, err error) {
 
-	stmt := common.TxStmt(txn, ks.selectAlStmt)
+	stmt := common.TxStmt(txn, s.selectAlStmt)
 	row := stmt.QueryRowContext(ctx, userID, deviceID)
 	single := types.AlHolder{}
 	err = row.Scan(
-		&single.User_id,
+		&single.UserID,
-		&single.Device_id,
+		&single.DeviceID,
-		&single.Supported_algorithm,
+		&single.SupportedAlgorithm,
 	)
 	return single, err
 }

src/github.com/matrix-org/dendrite/encryptoapi/storage/encrypt_keys_table.go

@@ -15,11 +15,11 @@
 package storage
 
 import (
-	"database/sql"
 	"context"
+	"database/sql"
+	"github.com/lib/pq"
 	"github.com/matrix-org/dendrite/common"
 	"github.com/matrix-org/dendrite/encryptoapi/types"
-	"github.com/lib/pq"
 )
 
 const keysSchema = `
@@ -96,104 +96,106 @@ func (s *keyStatements) prepare(db *sql.DB) (err error) {
 }
 
 // insert keys
-func (ks *keyStatements) insertKey(
+func (s *keyStatements) insertKey(
 	ctx context.Context, txn *sql.Tx,
 	deviceID, userID, keyID, keyTyp, keyInfo, algorithm, signature string,
 ) error {
-	stmt := common.TxStmt(txn, ks.insertKeyStmt)
+	stmt := common.TxStmt(txn, s.insertKeyStmt)
 	_, err := stmt.ExecContext(ctx, deviceID, userID, keyID, keyTyp, keyInfo, algorithm, signature)
 	return err
 }
 
 // select by user and device
-func (ks *keyStatements) selectKey(
+func (s *keyStatements) selectKey(
 	ctx context.Context,
 	txn *sql.Tx,
 	deviceID, userID string,
-) (holders []types.KeyHolder, err error) {
+) ([]types.KeyHolder, error) {
-	stmt := common.TxStmt(txn, ks.selectKeyStmt)
+	holders := []types.KeyHolder{}
+	stmt := common.TxStmt(txn, s.selectKeyStmt)
 	rows, err := stmt.QueryContext(ctx, userID, deviceID)
-	defer rows.Close()
 	if err != nil {
 		return nil, err
 	}
 	for rows.Next() {
 		single := &types.KeyHolder{}
-		if err := rows.Scan(
+		if err = rows.Scan(
-			&single.User_id,
+			&single.UserID,
-			&single.Device_id,
+			&single.DeviceID,
-			&single.Key_id,
+			&single.KeyID,
-			&single.Key_type,
+			&single.KeyType,
 			&single.Key,
-			&single.Key_algorithm,
+			&single.KeyAlgorithm,
 			&single.Signature,
 		); err != nil {
 			return nil, err
 		}
 		holders = append(holders, *single)
 	}
+	err = rows.Close()
 	return holders, err
 }
 
 // select single one for claim usage
-func (ks *keyStatements) selectSingleKey(
+func (s *keyStatements) selectSingleKey(
 	ctx context.Context,
 	userID, deviceID, algorithm string,
 ) (holder types.KeyHolder, err error) {
-	stmt := ks.selectSingleKeyStmt
+	stmt := s.selectSingleKeyStmt
 	row := stmt.QueryRowContext(ctx, userID, deviceID, algorithm)
 	if err != nil {
 		return holder, err
 	}
-	if err := row.Scan(
+	if err = row.Scan(
-		&holder.User_id,
+		&holder.UserID,
-		&holder.Device_id,
+		&holder.DeviceID,
-		&holder.Key_id,
+		&holder.KeyID,
-		&holder.Key_type,
+		&holder.KeyType,
 		&holder.Key,
-		&holder.Key_algorithm,
+		&holder.KeyAlgorithm,
 		&holder.Signature,
 	); err != nil {
-		deleteStmt := ks.deleteSingleKeyStmt
+		deleteStmt := s.deleteSingleKeyStmt
-		deleteStmt.ExecContext(ctx, userID, deviceID, algorithm, holder.Key_id)
+		_, err = deleteStmt.ExecContext(ctx, userID, deviceID, algorithm, holder.KeyID)
 		return holder, err
 	}
 	return holder, err
 }
 
 // select details by given an array of devices
-func (ks *keyStatements) selectInKeys(
+func (s *keyStatements) selectInKeys(
 	ctx context.Context,
 	userID string,
 	arr []string,
 ) (holders []types.KeyHolder, err error) {
-	rows := &sql.Rows{}
+	rows := sql.Rows{}
-	defer rows.Close()
+	rowsP := &rows
-	stmt := ks.selectAllKeyStmt
+	stmt := s.selectAllKeyStmt
 	if len(arr) == 0 {
-		rows, err = stmt.QueryContext(ctx, userID, "device_key")
+		rowsP, err = stmt.QueryContext(ctx, userID, "device_key")
 	} else {
-		stmt = ks.selectInKeysStmt
+		stmt = s.selectInKeysStmt
 		list := pq.Array(arr)
-		rows, err = stmt.QueryContext(ctx, userID, list)
+		rowsP, err = stmt.QueryContext(ctx, userID, list)
 	}
 	if err != nil {
 		return nil, err
 	}
 	for rows.Next() {
 		single := &types.KeyHolder{}
-		if err := rows.Scan(
+		if err = rows.Scan(
-			&single.User_id,
+			&single.UserID,
-			&single.Device_id,
+			&single.DeviceID,
-			&single.Key_id,
+			&single.KeyID,
-			&single.Key_type,
+			&single.KeyType,
 			&single.Key,
-			&single.Key_algorithm,
+			&single.KeyAlgorithm,
 			&single.Signature,
 		); err != nil {
 			return nil, err
 		}
 		holders = append(holders, *single)
 	}
+	err = rowsP.Close()
 	return holders, err
 }

src/github.com/matrix-org/dendrite/encryptoapi/storage/storage.go

@@ -15,9 +15,9 @@
 package storage
 
 import (
+	"context"
 	"database/sql"
 	"github.com/matrix-org/dendrite/common"
-	"context"
 	"github.com/matrix-org/dendrite/encryptoapi/types"
 	"strings"
 )
@@ -47,7 +47,7 @@ func NewDatabase(dataSourceName string) (*Database, error) {
 	return &Database{db: db, keyStatements: keyStatement, alStatements: alStatement}, nil
 }
 
-// insert device key
+// InsertKey insert device key
 func (d *Database) InsertKey(
 	ctx context.Context,
 	deviceID, userID, keyID, keyTyp, keyInfo, al, sig string,
@@ -58,7 +58,7 @@ func (d *Database) InsertKey(
 	return
 }
 
-// for key upload response usage a map from key algorithm to sum to counterpart
+// SelectOneTimeKeyCount for key upload response usage a map from key algorithm to sum to counterpart
 func (d *Database) SelectOneTimeKeyCount(
 	ctx context.Context,
 	deviceID, userID string,
@@ -67,11 +67,11 @@ func (d *Database) SelectOneTimeKeyCount(
 	err = common.WithTransaction(d.db, func(txn *sql.Tx) error {
 		elems, err := d.keyStatements.selectKey(ctx, txn, deviceID, userID)
 		for _, val := range elems {
-			if _, ok := m[val.Key_algorithm]; !ok {
+			if _, ok := m[val.KeyAlgorithm]; !ok {
-				m[val.Key_algorithm] = 0
+				m[val.KeyAlgorithm] = 0
 			}
-			if val.Key_type == "one_time_key" {
+			if val.KeyType == "one_time_key" {
-				m[val.Key_algorithm] += 1
+				m[val.KeyAlgorithm]++
 			}
 		}
 		return err
@@ -79,7 +79,7 @@ func (d *Database) SelectOneTimeKeyCount(
 	return
 }
 
-// query keys in a range of devices
+// QueryInRange query keys in a range of devices
 func (d *Database) QueryInRange(
 	ctx context.Context,
 	userID string,
@@ -89,30 +89,30 @@ func (d *Database) QueryInRange(
 	return
 }
 
-// persist algorithms
+// InsertAl persist algorithms
 func (d *Database) InsertAl(
 	ctx context.Context, uid, device string, al []string,
 ) (err error) {
 	err = common.WithTransaction(d.db, func(txn *sql.Tx) (err error) {
-		d.alStatements.insertAl(ctx, txn, uid, device, strings.Join(al, ","))
+		err = d.alStatements.insertAl(ctx, txn, uid, device, strings.Join(al, ","))
 		return
 	})
 	return
 }
 
-// select algorithms
+// SelectAl select algorithms
 func (d *Database) SelectAl(
 	ctx context.Context, uid, device string,
 ) (res []string, err error) {
 	err = common.WithTransaction(d.db, func(txn *sql.Tx) (err error) {
 		holder, err := d.alStatements.selectAl(ctx, txn, uid, device)
-		res = strings.Split(holder.Supported_algorithm, ",")
+		res = strings.Split(holder.SupportedAlgorithm, ",")
 		return
 	})
 	return
 }
 
-// claim for one time key one for once
+// SelectOneTimeKeySingle claim for one time key one for once
 func (d *Database) SelectOneTimeKeySingle(
 	ctx context.Context,
 	userID, deviceID, algorithm string,

src/github.com/matrix-org/dendrite/encryptoapi/types/claim.go

@@ -14,41 +14,14 @@
 
 package types
 
-/*
+// ClaimRequest structure
-	{
-	  "timeout": 10000,
-	  "one_time_keys": {
-		"@alice:example.com": {
-		  "JLAFKJWSCS": "curve25519"
-		}
-	  }
-	}
-*/
 type ClaimRequest struct {
 	Timeout     int64                        `json:"timeout"`
 	ClaimDetail map[string]map[string]string `json:"one_time_keys"`
 }
 
-/*
+// ClaimResponse structure
-	{
-	  "failures": {},
-	  "one_time_keys": {
-		"@alice:example.com": {
-		  "JLAFKJWSCS": {
-			"signed_curve25519:AAAAHg": {
-			  "key": "zKbLg+NrIjpnagy+pIY6uPL4ZwEG2v+8F9lmgsnlZzs",
-			  "signatures": {
-				"@alice:example.com": {
-				  "ed25519:JLAFKJWSCS": "FLWxXqGbwrb8SM3Y795eB6OA8bwBcoMZFXBqnTn58AYWZSqiD45tlBVcDa2L7RwdKXebW/VzDlnfVJ+9jok1Bw"
-				}
-			  }
-			}
-		  }
-		}
-	  }
-	}
-*/
 type ClaimResponse struct {
-	Failures map[string]interface{} `json:"failures"`
+	Failures  map[string]interface{}                       `json:"failures"`
 	ClaimBody map[string]map[string]map[string]interface{} `json:"one_time_keys"`
 }

src/github.com/matrix-org/dendrite/encryptoapi/types/query.go

@@ -14,63 +14,30 @@
 
 package types
 
-/*
+// QueryRequest structure
-	{
-	  "timeout": 10000,
-	  "device_keys": {
-		"@alice:example.com": ["DISYYYX","XYIISONM"]
-	  }
-	}
-*/
 type QueryRequest struct {
-	Timeout    int64               `json:"timeout"`
+	Timeout    int64                  `json:"timeout"`
 	DeviceKeys map[string]interface{} `json:"device_keys"`
-	Token      string              `json:"token"`
+	Token      string                 `json:"token"`
 }
 
-/*
+// QueryResponse structure
-	{
-	  "failures": {},
-	  "device_keys": {
-		"@alice:example.com": {
-		  "JLAFKJWSCS": {
-			"user_id": "@alice:example.com",
-			"device_id": "JLAFKJWSCS",
-			"algorithms": [
-			  "m.olm.curve25519-aes-sha256",
-			  "m.megolm.v1.aes-sha"
-			],
-			"keys": {
-			  "curve25519:JLAFKJWSCS": "3C5BFWi2Y8MaVvjM8M22DBmh24PmgR0nPvJOIArzgyI",
-			  "ed25519:JLAFKJWSCS": "lEuiRJBit0IG6nUf5pUzWTUEsRVVe/HJkoKuEww9ULI"
-			},
-			"signatures": {
-			  "@alice:example.com": {
-				"ed25519:JLAFKJWSCS": "dSO80A01XiigH3uBiDVx/EjzaoycHcjq9lfQX0uWsqxl2giMIiSPR8a4d291W1ihKJL/a+myXS367WT6NAIcBA"
-			  }
-			},
-			"unsigned": {
-			  "device_display_name": "Alice's mobile phone"
-			}
-		  }
-		}
-	  }
-	}
-*/
 type QueryResponse struct {
 	Failure    map[string]interface{}                `json:"failures"`
 	DeviceKeys map[string]map[string]DeviceKeysQuery `json:"device_keys"`
 }
 
+// DeviceKeysQuery structure
 type DeviceKeysQuery struct {
-	UserId    string                       `json:"user_id"`
+	UserID    string                       `json:"user_id"`
-	DeviceId  string                       `json:"device_id"`
+	DeviceID  string                       `json:"device_id"`
 	Algorithm []string                     `json:"algorithms"`
 	Keys      map[string]string            `json:"keys"`
 	Signature map[string]map[string]string `json:"signatures"`
 	Unsigned  UnsignedDeviceInfo           `json:"unsigned"`
 }
 
+// UnsignedDeviceInfo structure
 type UnsignedDeviceInfo struct {
 	Info string `json:"device_display_name"`
 }

src/github.com/matrix-org/dendrite/encryptoapi/types/storage.go

@@ -14,17 +14,20 @@
 
 package types
 
+// KeyHolder structure
 type KeyHolder struct {
-	User_id,
+	UserID,
-	Device_id,
+	DeviceID,
-	Signature, key,
+	Signature,
-	Key_algorithm,
+	KeyAlgorithm,
-	Key_id,
+	KeyID,
 	Key,
-	Key_type string
+	KeyType string
 }
+
+// AlHolder structure
 type AlHolder struct {
-	User_id,
+	UserID,
-	Device_id,
+	DeviceID,
-	Supported_algorithm string
+	SupportedAlgorithm string
 }

src/github.com/matrix-org/dendrite/encryptoapi/types/upload.go

@@ -14,135 +14,46 @@
 
 package types
 
-/*
+// UploadEncrypt structure
-	{
-	  "device_keys": {
-		"user_id": "@alice:example.com",
-		"device_id": "JLAFKJWSCS",
-		"algorithms": [
-		  "m.olm.curve25519-aes-sha256",
-		  "m.megolm.v1.aes-sha"
-		],
-		"keys": {
-		  "curve25519:JLAFKJWSCS": "3C5BFWi2Y8MaVvjM8M22DBmh24PmgR0nPvJOIArzgyI",
-		  "ed25519:JLAFKJWSCS": "lEuiRJBit0IG6nUf5pUzWTUEsRVVe/HJkoKuEww9ULI"
-		},
-		"signatures": {
-		  "@alice:example.com": {
-			"ed25519:JLAFKJWSCS": "dSO80A01XiigH3uBiDVx/EjzaoycHcjq9lfQX0uWsqxl2giMIiSPR8a4d291W1ihKJL/a+myXS367WT6NAIcBA"
-		  }
-		}
-	  },
-	  "one_time_keys": {
-		"curve25519:AAAAAQ": "/qyvZvwjiTxGdGU0RCguDCLeR+nmsb3FfNG3/Ve4vU8",
-		"signed_curve25519:AAAAHg": {
-		  "key": "zKbLg+NrIjpnagy+pIY6uPL4ZwEG2v+8F9lmgsnlZzs",
-		  "signatures": {
-			"@alice:example.com": {
-			  "ed25519:JLAFKJWSCS": "FLWxXqGbwrb8SM3Y795eB6OA8bwBcoMZFXBqnTn58AYWZSqiD45tlBVcDa2L7RwdKXebW/VzDlnfVJ+9jok1Bw"
-			}
-		  }
-		},
-		"signed_curve25519:AAAAHQ": {
-		  "key": "j3fR3HemM16M7CWhoI4Sk5ZsdmdfQHsKL1xuSft6MSw",
-		  "signatures": {
-			"@alice:example.com": {
-			  "ed25519:JLAFKJWSCS": "IQeCEPb9HFk217cU9kw9EOiusC6kMIkoIRnbnfOh5Oc63S1ghgyjShBGpu34blQomoalCyXWyhaaT3MrLZYQAA"
-			}
-		  }
-		}
-	  }
-	}
-*/
 type UploadEncrypt struct {
 	DeviceKeys DeviceKeys             `json:"device_keys"`
 	OneTimeKey map[string]interface{} `json:"one_time_keys"`
 }
+
+// UploadEncryptSpecific structure
 type UploadEncryptSpecific struct {
 	DeviceKeys DeviceKeys         `json:"device_keys"`
 	OneTimeKey OneTimeKeySpecific `json:"one_time_keys"`
 }
 
-/*
+// UploadResponse structure
-	{
-	  "one_time_key_counts": {
-		"curve25519": 10,
-		"signed_curve25519": 20
-	  }
-	}
-*/
 type UploadResponse struct {
 	Count map[string]int `json:"one_time_key_counts"`
 }
 
-/*
+// DeviceKeys structure
-  "device_keys": {
-    "user_id": "@alice:example.com",
-    "device_id": "JLAFKJWSCS",
-    "algorithms": [
-      "m.olm.curve25519-aes-sha256",
-      "m.megolm.v1.aes-sha"
-    ],
-    "keys": {
-      "curve25519:JLAFKJWSCS": "3C5BFWi2Y8MaVvjM8M22DBmh24PmgR0nPvJOIArzgyI",
-      "ed25519:JLAFKJWSCS": "lEuiRJBit0IG6nUf5pUzWTUEsRVVe/HJkoKuEww9ULI"
-    },
-    "signatures": {
-      "@alice:example.com": {
-        "ed25519:JLAFKJWSCS": "dSO80A01XiigH3uBiDVx/EjzaoycHcjq9lfQX0uWsqxl2giMIiSPR8a4d291W1ihKJL/a+myXS367WT6NAIcBA"
-      }
-    }
-  }
-*/
 type DeviceKeys struct {
-	UserId    string                       `json:"user_id"`
+	UserID    string                       `json:"user_id"`
-	DeviceId  string                       `json:"device_id"`
+	DeviceID  string                       `json:"device_id"`
 	Algorithm []string                     `json:"algorithms"`
 	Keys      map[string]string            `json:"keys"`
 	Signature map[string]map[string]string `json:"signatures"`
 }
 
-/*
+// KeyObject structure
-    "signed_curve25519:AAAAHg": {
-      "key": "zKbLg+NrIjpnagy+pIY6uPL4ZwEG2v+8F9lmgsnlZzs",
-      "signatures": {
-        "@alice:example.com": {
-          "ed25519:JLAFKJWSCS": "FLWxXqGbwrb8SM3Y795eB6OA8bwBcoMZFXBqnTn58AYWZSqiD45tlBVcDa2L7RwdKXebW/VzDlnfVJ+9jok1Bw"
-        }
-      }
-	}
-*/
 type KeyObject struct {
 	Key       string                       `json:"key"`
 	Signature map[string]map[string]string `json:"signatures"`
 }
 
-/*
+// OneTimeKey structure
-    "one_time_keys": {
-		"curve25519:AAAAAQ": "/qyvZvwjiTxGdGU0RCguDCLeR+nmsb3FfNG3/Ve4vU8",
-		"signed_curve25519:AAAAHg": {
-		  "key": "zKbLg+NrIjpnagy+pIY6uPL4ZwEG2v+8F9lmgsnlZzs",
-		  "signatures": {
-			"@alice:example.com": {
-			  "ed25519:JLAFKJWSCS": "FLWxXqGbwrb8SM3Y795eB6OA8bwBcoMZFXBqnTn58AYWZSqiD45tlBVcDa2L7RwdKXebW/VzDlnfVJ+9jok1Bw"
-			}
-		  }
-		},
-		"signed_curve25519:AAAAHQ": {
-		  "key": "j3fR3HemM16M7CWhoI4Sk5ZsdmdfQHsKL1xuSft6MSw",
-		  "signatures": {
-			"@alice:example.com": {
-			  "ed25519:JLAFKJWSCS": "IQeCEPb9HFk217cU9kw9EOiusC6kMIkoIRnbnfOh5Oc63S1ghgyjShBGpu34blQomoalCyXWyhaaT3MrLZYQAA"
-			}
-		  }
-		}
-	}
-*/
 type OneTimeKey struct {
 	//KeyString map[string]string
 	//KeyObject map[string]KeyObject
 	KeySth map[string]interface{}
 }
+
+// OneTimeKeySpecific structure
 type OneTimeKeySpecific struct {
 	KeyString map[string]string
 	KeyObject map[string]KeyObject