Initial Commit

Initial commit of Code Base.

addons/twitcher/lib/oOuch/oauth_setting.gd

@@ -0,0 +1,112 @@
+@icon("./scope-icon.svg")
+@tool
+extends Resource
+class_name OAuthSetting
+
+
+## That will be called when the authcode was received to send the code to the backend
+@export var redirect_url: String = "http://localhost:7170":
+	set = _update_redirect_url
+## Wellknown endpoint to receive the common paths for the IAM provider (optional)
+@export var well_known_url: String
+## Path where tokens can be get
+@export var token_url: String
+## Path to the authorization endpoint
+@export var authorization_url: String
+## Path to the device code flow URL.
+@export var device_authorization_url: String
+## Where should the tokens be cached
+@export var cache_file: String = "res://auth.key"
+## Client ID to authorize
+@export var client_id: String:
+	set(val): 
+		client_id = val
+		emit_changed()
+## Defines the authorization flow.
+@export var authorization_flow: OAuth.AuthorizationFlow = OAuth.AuthorizationFlow.AUTHORIZATION_CODE_FLOW:
+	set(val):
+		authorization_flow = val
+		notify_property_list_changed()
+		emit_changed()
+
+@export var _encryption_key_provider: CryptoKeyProvider = preload("res://addons/twitcher/lib/oOuch/default_key_provider.tres")
+
+# Calculated Values
+var redirect_path: String:
+	get():
+		if redirect_path == "" and redirect_url != "": _update_redirect_url(redirect_url)
+		return redirect_path
+var redirect_port: int:
+	get():
+		if redirect_port == 0 and redirect_url != "": _update_redirect_url(redirect_url)
+		return redirect_port
+
+## Client Secret to authorize (optional depending on flow)
+@export_storage var client_secret: String:
+	set(val): 
+		client_secret = val if val != null || val != "" else ""
+		emit_changed()
+		
+
+var _crypto: Crypto = Crypto.new()
+
+var _well_known_setting: Dictionary
+
+var _url_regex = RegEx.create_from_string("((https?://)?([^:/]+))(:([0-9]+))?(/.*)?")
+
+
+func _update_redirect_url(value: String) -> void:
+	redirect_url = value;
+	var matches = _url_regex.search(value)
+	if matches == null:
+		redirect_path = "/"
+		redirect_port = 7170
+		emit_changed()
+		return
+
+	var path = matches.get_string(6)
+	var port = matches.get_string(5)
+	redirect_path = path if path != "" else "/"
+	redirect_port = int(port) if port != "" else 7170
+	emit_changed()
+
+
+func get_client_secret() -> String:
+	if client_secret == "" || client_secret == null: return ""
+	var value_raw = Marshalls.base64_to_raw(client_secret)
+	var value_bytes := _encryption_key_provider.decrypt(value_raw)
+	return value_bytes.get_string_from_utf8()
+	
+	
+func set_client_secret(plain_secret: String) -> void:
+	var encrypted_value := _encryption_key_provider.encrypt(plain_secret.to_utf8_buffer())
+	client_secret = Marshalls.raw_to_base64(encrypted_value)
+
+
+func _validate_property(property: Dictionary) -> void:
+	if property.name == "client_secret":
+		if _is_client_secret_need():
+			property.usage |= PROPERTY_USAGE_READ_ONLY
+		else:
+			property.usage &= ~PROPERTY_USAGE_READ_ONLY
+
+
+func _is_client_secret_need() -> bool:
+	return authorization_flow == OAuth.AuthorizationFlow.AUTHORIZATION_CODE_FLOW || \
+		authorization_flow == OAuth.AuthorizationFlow.CLIENT_CREDENTIALS
+
+
+func is_valid() -> bool:
+	var problems = get_valididation_problems()
+	return problems.is_empty()
+
+
+func get_valididation_problems() -> PackedStringArray:
+	var result: PackedStringArray = []
+	if client_id == "" || client_id == null:
+		result.append("Client ID is missing")
+	if _is_client_secret_need() && (client_secret == "" || client_secret == null):
+		result.append("Client Secret is missing")
+	return result
+
+