.github/workflows/ci.yml

@@ -6,10 +6,12 @@ on:
       - 'README.md'
       - 'LICENSE.md'
       - '.gitignore'
+      - 'renovate.json'
   pull_request:
 
 jobs:
   skip_duplicate:
+    name: Skip if duplicate run
     runs-on: ubuntu-latest
     outputs:
       should_skip: ${{ steps.skip_check.outputs.should_skip }}
@@ -43,6 +45,7 @@ jobs:
         uses: github/codeql-action/analyze@v2
 
   lint:
+    name: Lint
     needs: skip_duplicate
     if: ${{ needs.skip_duplicate.outputs.should_skip == 'false' }}
     runs-on: ubuntu-latest
@@ -59,6 +62,7 @@ jobs:
         run: pylint --recursive=yes .
 
   test:
+    name: Run unit tests
     needs: skip_duplicate
     if: ${{ needs.skip_duplicate.outputs.should_skip == 'false' }}
     runs-on: ubuntu-latest
@@ -78,3 +82,40 @@ jobs:
         run: coverage run -m py.test -v
       - name: Upload Coverage to Codecov
         uses: codecov/codecov-action@v3
+
+  build:
+    name: Build
+    needs:
+      - lint
+      - test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository code
+        uses: actions/checkout@v3
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.10"
+      # - name: Install dependencies
+      #   run: pip install -r requirements.txt && pip install -r requirements-dev.txt
+      - name: Install build dependencies
+        run: pip install setuptools wheel
+      - name: Build wheel file
+        run: python setup.py bdist_wheel
+      - id: skip_check
+        uses: actions/upload-artifact@v3
+        with:
+          name: whl
+          path: dist/
+
+  publish:
+    name: Publish
+    needs: build
+    if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_API_TOKEN }}

README.md

@@ -1,7 +1,10 @@
-# template
+# iPilot [![CI](https://github.com/luketainton/pypilot/actions/workflows/ci.yml/badge.svg)](https://github.com/luketainton/pypilot/actions/workflows/ci.yml)
 
 ## Description
+IP Information Lookup Tool
 
 ## How to install
+`pip install ipilot`
 
 ## How to use
+`ipilot --help`

app/_version.py

@@ -0,0 +1,5 @@
+#!/usr/bin/env python3
+
+"""MODULE: Specifies app version."""
+
+VERSION = "1.0"

app/args.py

@@ -0,0 +1,33 @@
+#!/usr/local/env python3
+
+"""MODULE: Provides CLI arguments to the application."""
+
+import argparse
+
+from app.query_normalisation import get_public_ip
+
+
+def parse_args() -> argparse.Namespace:
+    """Get arguments from user via the command line."""
+    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 +1,28 @@
+#!/usr/bin/env python3
+
+"""MODULE: Provides functions to call various APIs to retrieve IP/prefix information."""
+
+import ipaddress
+import requests
+
+
+def get_ip_information(ipv4_address: ipaddress.IPv4Address) -> dict:
+    """Retrieves information about a given IPv4 address from IP-API.com."""
+    api_endpoint = f"http://ip-api.com/json/{ipv4_address}"
+    resp = requests.get(api_endpoint).json()
+    return resp
+
+
+def get_autonomous_system_number(as_info: str) -> str:
+    """Parses AS number from provided AS information."""
+    as_number = as_info.split(" ")[0]
+    return as_number
+
+
+def get_prefix_information(autonomous_system: int) -> list:
+    """Retrieves prefix information about a given autonomous system."""
+    api_endpoint = f"https://api.hackertarget.com/aslookup/?q={str(autonomous_system)}"
+    resp = requests.get(api_endpoint).text
+    prefixes = resp.split("\n")
+    prefixes.pop(0)
+    return prefixes

app/main.py

@@ -1,7 +1,64 @@
 #!/usr/local/bin/python3
 
+"""MODULE: Main application module."""
+
+import sys
+
+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 (  # pragma: no cover
+    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
+    """Main function."""
+    args = parse_args()
+    if not args.noheader:
+        print(HEADER)
+
+    # Set IP to passed IP address, or resolve passed domain name to IPv4
+    ip_address = (
+        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_address:
+        print("ERROR: could not resolve query to IPv4 address.")
+        sys.exit(1)
+
+    # Get information from API
+    ip_info = get_ip_information(ip_address)
+    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",
+            f"{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__":

app/print_table.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python3
+
+"""MODULE: Provides functions for preparing, then printing, retrieved data."""
+
+from tabulate import tabulate
+
+
+def generate_prefix_string(prefixes: list) -> str:
+    """Generate a string that spilts prefixes into rows of 4."""
+    num_per_row = 4
+    try:
+        ret = ""
+        for i in range(0, len(prefixes), num_per_row):
+            ret += ", ".join(prefixes[i : i + num_per_row]) + "\n"
+        return ret
+    except AttributeError:
+        return None
+
+
+def print_table(table_data) -> None:
+    """Print table generated by tabulate."""
+    print(tabulate(table_data))

app/query_normalisation.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+
+"""MODULE: Provides functions that ensure an IP address is available to query the APIs for."""
+
+import socket
+import ipaddress
+import requests
+
+
+def is_ip_address(query: str) -> bool:
+    """Verifies if a given query is a valid IPv4 address."""
+    try:
+        ipaddress.ip_address(query)
+        return True
+    except ValueError:
+        return False
+
+
+def resolve_domain_name(domain_name: str) -> ipaddress.IPv4Address:
+    """Resolve a domain name via DNS or return None."""
+    try:
+        ip_address = socket.gethostbyname(domain_name)
+    except socket.gaierror:
+        ip_address = None
+    return ip_address
+
+
+def get_public_ip() -> ipaddress.IPv4Address:
+    """Get the user's current public IPv4 address."""
+    ip_address = requests.get("https://api.ipify.org").text
+    return ip_address

requirements.txt

@@ -0,0 +1,6 @@
+certifi==2022.6.15
+charset-normalizer==2.0.12
+idna==3.3
+requests==2.28.0
+tabulate==0.8.10
+urllib3==1.26.9

setup.py

@@ -0,0 +1,29 @@
+#!/usr/bin/env python3
+
+"""SETUP: Build application .whl file."""
+
+from setuptools import setup
+
+from app._version import VERSION
+
+
+dependencies = []
+with open("requirements.txt", "r", encoding="ascii") as dep_file:
+    for dep_line in dep_file.readlines():
+        dependencies.append(dep_line.replace("\n", ""))
+
+
+setup(
+    name="ipilot",
+    version=VERSION,
+    description="IP Information Lookup Tool",
+    author="Luke Tainton",
+    author_email="luke@tainton.uk",
+    packages=["app"],
+    install_requires=dependencies,
+    entry_points={
+        "console_scripts": [
+            "ipilot = app.main:main",
+        ],
+    },
+)

tests/test_ip_info.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+
+"""MODULE: Provides test cases for app/ip_info.py."""
+
+from app.ip_info import (  # pragma: no cover
+    get_ip_information,
+    get_autonomous_system_number,
+    get_prefix_information,
+)
+
+
+def test_get_ip_information() -> None:
+    """TEST: ensure that the IP information API is working correctly."""
+    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:
+    """TEST: ensure that AS information is parsed into AS number correctly."""
+    as_info = "AS5089 Virgin Media Limited"
+    as_number = get_autonomous_system_number(as_info)
+    assert as_number == "AS5089"
+
+
+def test_get_prefix_information() -> None:
+    """TEST: ensure that advertised prefixes are retrieved correctly."""
+    autonomous_system = "AS109"
+    prefixes = get_prefix_information(autonomous_system)
+    assert "144.254.0.0/16" in prefixes

tests/test_main.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+
+"""MODULE: Provides test cases for app/main.py."""
+
+# 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 +1,46 @@
+#!/usr/bin/env python3
+
+"""MODULE: Provides test cases for app/query_normalisation.py."""
+
+from app.query_normalisation import (  # pragma: no cover
+    is_ip_address,
+    resolve_domain_name,
+    get_public_ip,
+)
+
+
+def test_is_ip_address_true() -> None:
+    """TEST: Verifies if a given query is a valid IPv4 address."""
+    test_query = "1.2.3.4"
+    assert is_ip_address(test_query)
+
+
+def test_is_ip_address_false_ip() -> None:
+    """TEST: Verifies that None is returned if an invalid IP is given."""
+    test_query = "256.315.16.23"
+    assert not is_ip_address(test_query)
+
+
+def test_is_ip_address_false_fqdn() -> None:
+    """TEST: Verifies that None is returned if a domain name is given."""
+    test_query = "google.com"
+    assert not is_ip_address(test_query)
+
+
+def test_resolve_domain_name_true() -> None:
+    """TEST: Verifies that DNS resolution is working correctly."""
+    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:
+    """TEST: Verifiees that a non-existent domain is not resolved."""
+    domain_name = "hrrijoresdo.com"
+    assert not resolve_domain_name(domain_name)
+
+
+def test_get_public_ip() -> None:
+    """TEST: Verifies that the current public IP is retrieved correctly."""
+    public_ip = get_public_ip()
+    assert is_ip_address(public_ip)