Merge pull request #6 from N7WEra/main

Add support for Google Chat

Author: its-a-feature

C2_Profiles/basic_webhook/my_webhooks/google_chat.go

@@ -0,0 +1,50 @@
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"strings"
+	"github.com/MythicMeta/MythicContainer/webhookstructs"
+)
+type GoogleChatMessage struct {
+	Text string `json:"text,omitempty"`
+}
+func sendGoogleChatMessage(webhookURL string, msg webhookstructs.SlackWebhookMessage) error {
+	var builder strings.Builder
+	for _, att := range msg.Attachments {
+		if att.Title != "" {
+			builder.WriteString(fmt.Sprintf("*%s*\n", att.Title))
+		}
+		if att.Blocks != nil {
+			for _, block := range *att.Blocks {
+				if block.Text != nil && block.Text.Text != "" {
+					builder.WriteString(fmt.Sprintf("%s\n", block.Text.Text))
+				}
+				if block.Fields != nil {
+					for _, f := range *block.Fields {
+						if f.Text != "" {
+							builder.WriteString(fmt.Sprintf("%s\n", f.Text))
+						}
+					}
+				}
+			}
+		}
+		builder.WriteString("\n")
+	}
+	payload := GoogleChatMessage{
+		Text: builder.String(),
+	}
+	jsonData, err := json.Marshal(payload)
+	if err != nil {
+		return err
+	}
+	resp, err := http.Post(webhookURL, "application/json", bytes.NewBuffer(jsonData))
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return fmt.Errorf("google chat webhook returned status %s", resp.Status)
+	}
+	return nil
+}

C2_Profiles/basic_webhook/my_webhooks/sendingUtils.go

@@ -17,6 +17,11 @@ func sendMessage(webhookURL string, newMessage webhookstructs.SlackWebhookMessag
 	if strings.Contains(webhookURL, "discord.com") {
 		return sendDiscordMessage(webhookURL, newMessage)
 	}
+    
+	// Detect Google Chat basic_webhook URL
+    if strings.Contains(webhookURL, "chat.googleapis.com") {
+		return sendGoogleChatMessage(webhookURL, newMessage)
+	}
 
 	// Detect Slack basic_webhook URL
 	if strings.Contains(webhookURL, "slack.com") {
@@ -25,5 +30,5 @@ func sendMessage(webhookURL string, newMessage webhookstructs.SlackWebhookMessag
 	}
 
 	// Unsupported basic_webhook type
-	return errors.New("unsupported basic_webhook type: currently only Slack and Discord are supported")
+	return errors.New("unsupported basic_webhook type: currently only Slack, Discord and Google Chat are supported")
 }