feat(repo): migrate to Gitea (#300)

Reviewed-on: public/pypilot#300

app/ip_info.py

@@ -0,0 +1,60 @@
+#!/usr/bin/env python3
+
+"""MODULE: Provides functions to call various APIs to retrieve IP/prefix information."""
+
+from typing import Optional
+
+import ipaddress
+import requests
+
+
+def get_ip_information(ipv4_address: ipaddress.IPv4Address) -> Optional[dict]:
+    """Retrieves information about a given IPv4 address from IP-API.com.
+    
+    Args:
+        ipv4_address (ipaddress.IPv4Address): IPv4 address to query
+    
+    Returns:
+        Optional[dict]: API response
+    """
+    api_endpoint: str = f"http://ip-api.com/json/{ipv4_address}"
+    try:
+        resp: requests.Response = requests.get(api_endpoint, timeout=10)
+        resp.raise_for_status()
+        ret: dict | None = resp.json() if resp.json().get("status") == "success" else None
+    except (requests.exceptions.JSONDecodeError, requests.exceptions.HTTPError):
+        ret = None
+    return ret
+
+
+def get_autonomous_system_number(as_info: str) -> str:
+    """Parses AS number from provided AS information.
+    
+    Args:
+        as_info (str): AS information
+    
+    Returns:
+        str: AS number
+    """
+    as_number: str = as_info.split(" ")[0]
+    return as_number
+
+
+def get_prefix_information(autonomous_system: str) -> Optional[list]:
+    """Retrieves prefix information about a given autonomous system.
+    
+    Args:
+        autonomous_system (str): autonomous system to query, e.g. AS123
+    
+    Returns:
+        Optional[list]: API response
+    """
+    api_endpoint: str = f"https://api.hackertarget.com/aslookup/?q={str(autonomous_system)}"
+    try:
+        resp: requests.Response = requests.get(api_endpoint, timeout=10)
+        resp.raise_for_status()
+    except requests.exceptions.HTTPError:
+        return None
+    prefixes: list[str] = resp.text.split("\n")
+    prefixes.pop(0)
+    return prefixes