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.github/workflows/ci.yml

@@ -6,6 +6,7 @@ on:
       - 'README.md'
       - 'LICENSE.md'
       - '.gitignore'
+      - 'renovate.json'
   pull_request:
 
 jobs:

app/args.py

@@ -0,0 +1,30 @@
+#!/usr/local/bin/python3
+
+import argparse
+
+from app.query_normalisation import get_public_ip
+
+
+def parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(
+        description="Query information about an IP address or domain name."
+    )
+    parser.add_argument(
+        "-q",
+        "--query",
+        help="IP/domain name to query (default: current public IP)",
+        default=get_public_ip(),
+    )
+    parser.add_argument(
+        "-p",
+        "--prefixes",
+        help="show advertised prefixes",
+        action="store_true",
+    )
+    parser.add_argument(
+        "-n",
+        "--noheader",
+        help="do not print header",
+        action="store_true",
+    )
+    return parser.parse_args()

app/ip_info.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+import ipaddress
+import requests
+
+
+def get_ip_information(ipv4_address: ipaddress.IPv4Address) -> dict:
+    api_endpoint = "http://ip-api.com/json/{}".format(ipv4_address)
+    resp = requests.get(api_endpoint).json()
+    return resp
+
+
+def get_autonomous_system_number(as_info: str) -> str:
+    as_number = as_info.split(" ")[0]
+    return as_number
+
+
+def get_prefix_information(autonomous_system: int) -> list:
+    api_endpoint = "https://api.hackertarget.com/aslookup/?q={}".format(
+        str(autonomous_system)
+    )
+    resp = requests.get(api_endpoint).text
+    prefixes = resp.split("\n")
+    prefixes.pop(0)
+    return prefixes

app/main.py

@@ -1,8 +1,62 @@
 #!/usr/local/bin/python3
 
+from app.args import parse_args
+from app.print_table import print_table, generate_prefix_string
+from app.query_normalisation import is_ip_address, resolve_domain_name
+from app.ip_info import (
+    get_ip_information,
+    get_autonomous_system_number,
+    get_prefix_information,
+)
+
+
+HEADER = """-----------------------------------------------
+| IP Address Information Lookup Tool (iPilot) |
+|       By Luke Tainton (@luketainton)        |
+-----------------------------------------------\n"""
+
+
 def main():
-    # Commands here
+    args = parse_args()
-    
+    if not args.noheader:
+        print(HEADER)
+
+    # Set IP to passed IP address, or resolve passed domain name to IPv4
+    ip = (
+        resolve_domain_name(args.query) if not is_ip_address(args.query) else args.query
+    )
+
+    # If not given an IPv4, and can't resolve to IPv4, then throw error and exit
+    if not ip:
+        print("ERROR: could not resolve query to IPv4 address.")
+        exit(1)
+
+    # Get information from API
+    ip_info = get_ip_information(ip)
+    as_number = get_autonomous_system_number(ip_info.get("as"))
+
+    # Assemble list for table generation
+    table_data = [
+        ["IP Address", ip_info.get("query")],
+        ["Organization", ip_info.get("org")],
+        [
+            "Location",
+            "{}/{}/{}".format(
+                ip_info.get("country"), ip_info.get("regionName"), ip_info.get("city")
+            ),
+        ],
+        ["Timezone", ip_info.get("timezone")],
+        ["Internet Service Provider", ip_info.get("isp")],
+        ["Autonomous System", as_number],
+    ]
+
+    # If wanted, get prefix information
+    if args.prefixes:
+        prefix_info = get_prefix_information(as_number)
+        table_data.append(["Prefixes", generate_prefix_string(prefix_info)])
+
+    print_table(table_data)
+
 
 if __name__ == "__main__":
     main()

app/print_table.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+from tabulate import tabulate
+
+
+def generate_prefix_string(prefixes: list) -> str:
+    n = 4
+    try:
+        ret = ""
+        for i in range(0, len(prefixes), n):
+            ret += ", ".join(prefixes[i : i + n]) + "\n"
+        return ret
+    except AttributeError:
+        return None
+
+
+def print_table(table_data) -> None:
+    print(tabulate(table_data))

app/query_normalisation.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+import ipaddress
+import requests
+import socket
+
+
+def is_ip_address(query: str) -> bool:
+    try:
+        ipaddress.ip_address(query)
+        return True
+    except ValueError:
+        return False
+
+
+def resolve_domain_name(domain_name: str) -> ipaddress.IPv4Address:
+    try:
+        ip = socket.gethostbyname(domain_name)
+    except socket.gaierror:
+        ip = None
+    return ip
+
+
+def get_public_ip() -> ipaddress.IPv4Address:
+    ip = requests.get("https://api.ipify.org").text
+    return ip

tests/test_ip_info.py

@@ -0,0 +1,25 @@
+#!/usr/bin/env python3
+
+from app.ip_info import (
+    get_ip_information,
+    get_autonomous_system_number,
+    get_prefix_information,
+)
+
+
+def test_get_ip_information() -> None:
+    test_query = "1.2.3.4"
+    ip_info = get_ip_information(test_query)
+    assert ip_info.get("status") == "success" and ip_info.get("query") == test_query
+
+
+def test_get_autonomous_system_number() -> None:
+    as_info = "AS5089 Virgin Media Limited"
+    as_number = get_autonomous_system_number(as_info)
+    assert as_number == "AS5089"
+
+
+def test_get_prefix_information() -> None:
+    autonomous_system = "AS109"
+    prefixes = get_prefix_information(autonomous_system)
+    assert "144.254.0.0/16" in prefixes

tests/test_main.py

@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+
+# from app.ip import is_ip_address
+
+
+# def test_is_ip_address_true() -> None:
+#     test_query = "1.2.3.4"
+#     assert is_ip_address(test_query)
+
+
+# def test_is_ip_address_false_ip() -> None:
+#     test_query = "256.315.16.23"
+#     assert not is_ip_address(test_query)
+
+
+# def test_is_ip_address_false_fqdn() -> None:
+#     test_query = "google.com"
+#     assert not is_ip_address(test_query)

tests/test_query_normalisation.py

@@ -0,0 +1,34 @@
+#!/usr/bin/env python3
+
+from app.query_normalisation import is_ip_address, resolve_domain_name, get_public_ip
+
+
+def test_is_ip_address_true() -> None:
+    test_query = "1.2.3.4"
+    assert is_ip_address(test_query)
+
+
+def test_is_ip_address_false_ip() -> None:
+    test_query = "256.315.16.23"
+    assert not is_ip_address(test_query)
+
+
+def test_is_ip_address_false_fqdn() -> None:
+    test_query = "google.com"
+    assert not is_ip_address(test_query)
+
+
+def test_resolve_domain_name_true() -> None:
+    domain_name = "one.one.one.one"
+    expected_results = ["1.1.1.1", "1.0.0.1"]  # Could resolve to either IP
+    assert resolve_domain_name(domain_name) in expected_results
+
+
+def test_resolve_domain_name_false() -> None:
+    domain_name = "hrrijoresdo.com"
+    assert not resolve_domain_name(domain_name)
+
+
+def test_get_public_ip() -> None:
+    public_ip = get_public_ip()
+    assert is_ip_address(public_ip)