From d25c0fa1b8d1eea5d51d5078a2b08db1cfc86426 Mon Sep 17 00:00:00 2001
From: Andrea Maria Piana <andrea.maria.piana@gmail.com>
Date: Fri, 27 May 2022 12:21:02 +0100
Subject: [PATCH] Resize chat message images

---
 cmd/populate-db/main.go |  5 +++--
 protocol/messenger.go   | 28 +++++++++++++++++++++++++++-
 2 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/cmd/populate-db/main.go b/cmd/populate-db/main.go
index a921093c1..fb4dc0ee0 100644
--- a/cmd/populate-db/main.go
+++ b/cmd/populate-db/main.go
@@ -38,7 +38,7 @@ import (
 type testTimeSource struct{}
 
 func (t *testTimeSource) GetCurrentTime() uint64 {
-	return uint64(time.Now().Unix())
+	return uint64(time.Now().Unix()) * 1000
 }
 
 const (
@@ -379,7 +379,7 @@ func defaultNodeConfig(installationID string) (*params.NodeConfig, error) {
 	}
 
 	nodeConfig.Name = "StatusIM"
-	nodeConfig.Rendezvous = true
+	nodeConfig.Rendezvous = false
 	clusterConfig, err := params.LoadClusterConfigFromFleet("eth.prod")
 	if err != nil {
 		return nil, err
@@ -496,6 +496,7 @@ func buildMessage(chat *protocol.Chat, count int) *common.Message {
 	}
 
 	clock, timestamp := chat.NextClockAndTimestamp(&testTimeSource{})
+	clock += uint64(count)
 	message := &common.Message{}
 	message.Text = fmt.Sprintf("test message %d", count)
 	message.ChatId = chat.ID
diff --git a/protocol/messenger.go b/protocol/messenger.go
index 83ce95c88..a4fcec01f 100644
--- a/protocol/messenger.go
+++ b/protocol/messenger.go
@@ -72,6 +72,10 @@ const (
 
 	publicChat  chatContext = "public-chat"
 	privateChat chatContext = "private-chat"
+
+	maxChatMessageImageSize = 400000
+	resizeTargetImageSize   = 350000
+	idealTargetImageSize    = 50000
 )
 
 const messageResendMinDelay = 30
@@ -2403,6 +2407,7 @@ func (m *Messenger) sendChatMessage(ctx context.Context, message *common.Message
 
 	message.DisplayName = displayName
 	if len(message.ImagePath) != 0 {
+
 		file, err := os.Open(message.ImagePath)
 		if err != nil {
 			return nil, err
@@ -2412,8 +2417,29 @@ func (m *Messenger) sendChatMessage(ctx context.Context, message *common.Message
 		payload, err := ioutil.ReadAll(file)
 		if err != nil {
 			return nil, err
-
 		}
+
+		img, err := userimage.Decode(message.ImagePath)
+		if err != nil {
+			return nil, err
+		}
+
+		bb := bytes.NewBuffer([]byte{})
+		err = userimage.EncodeToLimits(bb, img, userimage.DimensionLimits{Ideal: idealTargetImageSize, Max: resizeTargetImageSize})
+
+		if err != nil {
+			return nil, err
+		}
+
+		// We keep the smallest one
+		if len(payload) > len(bb.Bytes()) {
+			payload = bb.Bytes()
+		}
+
+		if len(payload) > maxChatMessageImageSize {
+			return nil, errors.New("image too large")
+		}
+
 		image := protobuf.ImageMessage{
 			Payload: payload,
 			Type:    images.ImageType(payload),