Moved Utilities.py into src/modules for easier import

src/modules/Utilities.py

@@ -0,0 +1,76 @@
+import re, ipaddress
+import subprocess
+
+
+def RegexMatch(regex, text) -> bool:
+    """
+    Regex Match
+    @param regex: Regex patter
+    @param text: Text to match
+    @return: Boolean indicate if the text match the regex pattern
+    """
+    pattern = re.compile(regex)
+    return pattern.search(text) is not None
+
+def GetRemoteEndpoint() -> str:
+    """
+    Using socket to determine default interface IP address. Thanks, @NOXICS
+    @return: 
+    """
+    import socket
+    with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
+        s.connect(("1.1.1.1", 80))  # Connecting to a public IP
+        wgd_remote_endpoint = s.getsockname()[0]
+        return str(wgd_remote_endpoint)
+
+
+def StringToBoolean(value: str):
+    """
+    Convert string boolean to boolean
+    @param value: Boolean value in string came from Configuration file
+    @return: Boolean value
+    """
+    return (value.strip().replace(" ", "").lower() in 
+            ("yes", "true", "t", "1", 1))
+
+def ValidateIPAddressesWithRange(ips: str) -> bool:
+    s = ips.replace(" ", "").split(",")
+    for ip in s:
+        try:
+            ipaddress.ip_network(ip)
+        except ValueError as e:
+            return False
+    return True
+
+def ValidateIPAddresses(ips) -> bool:
+    s = ips.replace(" ", "").split(",")
+    for ip in s:
+        try:
+            ipaddress.ip_address(ip)
+        except ValueError as e:
+            return False
+    return True
+
+def ValidateDNSAddress(addresses) -> tuple[bool, str]:
+    s = addresses.replace(" ", "").split(",")
+    for address in s:
+        if not ValidateIPAddresses(address) and not RegexMatch(
+                r"(?:[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.)+[a-z][a-z]{0,61}[a-z]", address):
+            return False, f"{address} does not appear to be an valid DNS address"
+    return True, ""
+
+def GenerateWireguardPublicKey(privateKey: str) -> tuple[bool, str] | tuple[bool, None]:
+    try:
+        publicKey = subprocess.check_output(f"wg pubkey", input=privateKey.encode(), shell=True,
+                                            stderr=subprocess.STDOUT)
+        return True, publicKey.decode().strip('\n')
+    except subprocess.CalledProcessError:
+        return False, None
+    
+def GenerateWireguardPrivateKey() -> tuple[bool, str] | tuple[bool, None]:
+    try:
+        publicKey = subprocess.check_output(f"wg genkey", shell=True,
+                                            stderr=subprocess.STDOUT)
+        return True, publicKey.decode().strip('\n')
+    except subprocess.CalledProcessError:
+        return False, None