bash mattermost sender

utils/send_mmost.sh

@@ -23,20 +23,24 @@ Cmd="${Cmd} | jq -r '.id'"
 
 channel_id=$(eval ${Cmd})
 
-input=$(cat)
+input="$(cat)"
+
 body="{"
-body="${body}\\\"channel_id\\\":\\\"${channel_id}\\\""
-body="${body}, \\\"message\\\":\\\"${input}\\\""
+body="${body}\"channel_id\":\"${channel_id}\""
+body="${body}, \"message\":\"${input}\""
 body="${body}}"
 
+# replace new line with literal \n
+body=$(echo "${body}" |awk '{printf "%s\\n", $0}')
+
 post_url="${url}/api/v4/posts"
 
 Cmd="curl -s"
-Cmd="${Cmd} -X POST"
-Cmd="${Cmd} -H \"Content-Type: Application/JSON\""
-Cmd="${Cmd} -H \"Authorization: Bearer ${bearer}\""
-Cmd="${Cmd} --data \"${body}\""
+Cmd="${Cmd} --request POST"
+Cmd="${Cmd} --header \"Content-Type: Application/JSON\""
+Cmd="${Cmd} --header \"Authorization: Bearer ${bearer}\""
+Cmd="${Cmd} --data @-"
 Cmd="${Cmd} ${post_url}"
 
-eval ${Cmd} > /dev/null
+(echo "${body}" | eval ${Cmd}) > /dev/null