forked from team-sg/hero-mark-2
108 lines
3.2 KiB
GDScript
108 lines
3.2 KiB
GDScript
extends Node
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const GATEWAY_URI: String = "https://newgrounds.io/gateway_v3.php"
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var app_id: String = "" # app id on newgrounds
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var aes_key := PoolByteArray([]) # AES-128/Base64 encryption key
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var keys_loaded: bool = false # whether id and key have been loaded from ini file
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var http := HTTPRequest.new() # http request node
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var aes := AESContext.new() # aes encryption
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var rng := RandomNumberGenerator.new()
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var _response: Dictionary = {}
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func _ready() -> void:
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# load app id from ngio.ini
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var ini = ConfigFile.new()
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var err = ini.load("res://ngio.ini")
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if err != OK:
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push_error("Failed to load ngio data. Will not be able to access scoreboards.")
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return
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app_id = ini.get_value("ngio", "id", "")
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if app_id == "":
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push_error("Failed to load ngio data. Will not be able to access scoreboards.")
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keys_loaded = false
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else:
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keys_loaded = true
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# attempt to load aes key
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var key = Marshalls.base64_to_raw(ini.get_value("ngio", "key", ""))
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if key.size() == 16:
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aes_key = key
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# initialize HTTPRequest
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add_child(http)
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http.connect("request_completed", self, "_http_request_completed")
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# initialize rng for encryption
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rng.randomize()
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func _test_http() -> void:
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print(yield(request_execute("Gateway.getDatetime"), "completed"))
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## requests the provided component be executed, do not call async :/
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# may call with either single or multiple components
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func request_execute(component: String, parameters: Dictionary = {}, session_id: String = "", echo: String = "", encrypt: bool = false) -> Dictionary:
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# build request headers
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var headers = [
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"Content-Type: application/x-www-form-urlencoded",
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]
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# build execute object
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var execute = {
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component = component,
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parameters = parameters,
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echo = echo,
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}
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# use encryption if a valid key is available
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# TODO: implementation messed up in some way. encryption is fine, but
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# formatting is wrong in some way that newgrounds can not understand
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# if encrypt and aes_key.size() == 16:
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if false:
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# convert to bytes
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var data = to_json(execute).to_utf8()
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# pad to 16 bytes alignment
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var padding = PoolByteArray([])
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padding.resize((16 - data.size() % 16) % 16)
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padding.fill(0)
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data.append_array(padding)
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# generate random initialization vector
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var iv = PoolByteArray([])
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iv.resize(16)
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for i in iv.size():
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iv[i] = rng.randi() % 0xFF
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# encrypt data
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aes.start(AESContext.MODE_CBC_ENCRYPT, aes_key, iv)
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var encrypted = aes.update(data)
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aes.finish()
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# compose secure execute object
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execute = {
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secure = Marshalls.raw_to_base64(iv + encrypted)
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}
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# compose request body
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var request = {
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app_id = app_id,
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session_id = session_id,
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execute = execute,
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}
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var body = "input=" + to_json(request).percent_encode()
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# make request
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var err = http.request(GATEWAY_URI, headers, true, HTTPClient.METHOD_POST, body)
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# yield response
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yield(http, "request_completed")
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return _response
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## called when the HTTPRequest gets a responce
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func _http_request_completed(result: int, response_code: int, headers: PoolStringArray, body: PoolByteArray) -> void:
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if response_code == 200:
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var dict = parse_json(body.get_string_from_utf8())
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if typeof(dict) == TYPE_DICTIONARY:
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_response = dict
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return
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_response = {success = false}
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