From 52e3f70d6ea268b7b531ccd32a31a4fae522968e Mon Sep 17 00:00:00 2001
From: Dominika <ja@sdomi.pl>
Date: Sun, 22 May 2022 03:21:38 +0200
Subject: [PATCH] + legacy login functions

---
 launcher/auth.sh | 68 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100755 launcher/auth.sh

diff --git a/launcher/auth.sh b/launcher/auth.sh
new file mode 100755
index 0000000..1fa2687
--- /dev/null
+++ b/launcher/auth.sh
@@ -0,0 +1,68 @@
+#!/bin/bash
+# Authenticate with Mojang's authserver
+_AUTH_BASE_URL="https://authserver.mojang.com"
+
+function escape_json() {
+	sed 's/["\\]/\\&/g;s/\t/\\t/g' <<< "$1"
+}
+
+# login(username, password)
+function login() {	
+	local mail=$(escape_json "$1")	
+	local password=$(escape_json "$2")
+
+	local json='
+	{
+		"agent": {
+			"name": "Minecraft",
+			"version": 1
+		},
+		"username": "'"$mail"'",
+		"password": "'"$password"'",
+		"requestUser": true
+	}'
+
+	curl -s \
+		-H "Content-Type: application/json" \
+		--data-raw "$json" \
+		$_AUTH_BASE_URL/authenticate > auth.json
+}
+
+function refresh() {
+	local accessToken=$(jq -r '.accessToken' < auth.json)
+	local clientToken=$(jq -r '.clientToken' < auth.json)
+	
+	local json='
+	{
+		"accessToken": "'"$accessToken"'",
+		"clientToken": "'"$clientToken"'",
+		"requestUser": true
+	}'
+
+	curl -s \
+		-H "Content-Type: application/json" \
+		--data-raw "$json" \
+		$_AUTH_BASE_URL/refresh > auth.json
+}
+
+function validate() {
+	local accessToken=$(jq -r '.accessToken' < auth.json)
+	local clientToken=$(jq -r '.clientToken' < auth.json)
+	
+	local json='
+	{
+		"accessToken": "'"$accessToken"'",
+		"clientToken": "'"$clientToken"'",
+		"requestUser": true
+	}'
+
+	local meow=$(curl -i -s \
+		-H "Content-Type: application/json" \
+		--data-raw "$json" \
+		$_AUTH_BASE_URL/validate)
+	if [[ "$meow" == *"204"* ]]; then
+		return 0
+	else
+		return 1
+	fi
+}