WIP, define new endpoints for send reaction

src/api/api.go

@@ -9,8 +9,8 @@ import (
 
 	"github.com/gabriel-vasile/mimetype"
 	"github.com/gin-gonic/gin"
-	log "github.com/sirupsen/logrus"
 	"github.com/gorilla/websocket"
+	log "github.com/sirupsen/logrus"
 
 	"github.com/bbernhard/signal-cli-rest-api/client"
 	utils "github.com/bbernhard/signal-cli-rest-api/utils"
@@ -57,6 +57,13 @@ type VerifyNumberSettings struct {
 	Pin string `json:"pin"`
 }
 
+type Reaction struct {
+	Number    string `json:"number"`
+	Timestamp int64  `json:"timestamp"`
+	Recipient string `json:"recipient"`
+	Reaction  string `json:"reaction"`
+}
+
 type SendMessageV1 struct {
 	Number           string   `json:"number"`
 	Recipients       []string `json:"recipients"`
@@ -80,8 +87,6 @@ type Error struct {
 	Msg string `json:"error"`
 }
 
-
-
 type CreateGroupResponse struct {
 	Id string `json:"id"`
 }
@@ -283,7 +288,6 @@ func (a *Api) SendV2(c *gin.Context) {
 	c.JSON(201, SendMessageResponse{Timestamp: strconv.FormatInt((*timestamps)[0].Timestamp, 10)})
 }
 
-
 func (a *Api) handleSignalReceive(ws *websocket.Conn, number string) {
 	for {
 		data, err := a.signalClient.Receive(number, 0)
@@ -890,6 +894,52 @@ func (a *Api) QuitGroup(c *gin.Context) {
 	c.Status(http.StatusNoContent)
 }
 
+// @Summary Send a reaction.
+// @Tags Reactions
+// @Description React to a message.
+// @Accept  json
+// @Produce  json
+// @Success 201 {string} OK
+// @Failure 400 {object} Error
+// @Param data body Reaction true "Reaction"
+// @Router /v1/react/{number} [post]
+func (a *Api) SendReaction(c *gin.Context) {
+	var req Reaction
+	err := c.BindJSON(&req)
+	if err != nil {
+		c.JSON(400, Error{Msg: "Couldn't process request - invalid request"})
+		log.Error(err.Error())
+		return
+	}
+
+	if req.Recipient == "" {
+		c.JSON(400, Error{Msg: "Couldn't process request - recipient missing"})
+		return
+	}
+
+	if req.Timestamp == 0 {
+		c.JSON(400, Error{Msg: "Couldn't process request - timestamp missing"})
+		return
+	}
+
+	if req.Reaction == "" {
+		c.JSON(400, Error{Msg: "Couldn't process request - reaction missing"})
+		return
+	}
+
+	if req.Number == "" {
+		c.JSON(400, Error{Msg: "Couldn't process request - number missing"})
+		return
+	}
+
+	err = a.signalClient.SendReaction(req.Number, req.Recipient, req.Timestamp, req.Reaction)
+	if err != nil {
+		c.JSON(400, Error{Msg: err.Error()})
+		return
+	}
+	c.Status(http.StatusNoContent)
+}
+
 // @Summary Show Typing Indicator.
 // @Tags Messages
 // @Description Show Typing Indicator.

src/client/client.go

@@ -14,9 +14,10 @@ import (
 	"strings"
 	"time"
 
-	"github.com/cyphar/filepath-securejoin"
+	securejoin "github.com/cyphar/filepath-securejoin"
 	"github.com/gabriel-vasile/mimetype"
 	"github.com/h2non/filetype"
+
 	//"github.com/sourcegraph/jsonrpc2"//"net/rpc/jsonrpc"
 	log "github.com/sirupsen/logrus"
 
@@ -995,6 +996,56 @@ func (s *SignalClient) QuitGroup(number string, groupId string) error {
 	return err
 }
 
+func (s *SignalClient) SendReaction(number string, recipient string, timestamp int64, reaction string) error {
+	var err error
+	recp := recipient
+	isGroup := false
+	if strings.HasPrefix(recipient, groupPrefix) {
+		isGroup = true
+		recp, err = ConvertGroupIdToInternalGroupId(recipient)
+		if err != nil {
+			return errors.New("Invalid group id")
+		}
+	}
+
+	if s.signalCliMode == JsonRpc {
+		type Request struct {
+			Recipient string `json:"recipient,omitempty"`
+			GroupId   string `json:"group-id,omitempty"`
+			// TODO other fields
+		}
+		request := Request{}
+		if !isGroup {
+			request.Recipient = recp
+		} else {
+			request.GroupId = recp
+		}
+
+		jsonRpc2Client, err := s.getJsonRpc2Client(number)
+		if err != nil {
+			return err
+		}
+		_, err = jsonRpc2Client.getRaw("sendReaction", request)
+	} else {
+		// TODO: check CLI command again
+		cmd := []string{
+			"--config", s.signalCliConfig,
+			"-u", number,
+			"sendTyping",
+			"-e", reaction,
+			"-t", strconv.FormatInt(timestamp, 10),
+		}
+		if !isGroup {
+			cmd = append(cmd, recp)
+		} else {
+			cmd = append(cmd, []string{"-g", recp}...)
+		}
+		_, err = runSignalCli(true, cmd, "", s.signalCliMode)
+	}
+
+	return err
+}
+
 func (s *SignalClient) SendStartTyping(number string, recipient string) error {
 	var err error
 	recp := recipient