agent-proxy 0.2.3

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HTTP Proxy CLI

A lightweight HTTP proxy CLI tool that intercepts and logs all requests to/from a specific target site.

Features

• ✅ Command-line interface with rich argument support
• ✅ Intercepts all HTTP methods (GET, POST, PUT, DELETE, etc.)
• ✅ Complete logging of requests and responses
• ✅ Configurable output formats (JSON or plain text)
• ✅ Flexible logging levels and file locations
• ✅ Real-time statistics and testing tools

Quick Start

Installation

Option 1: Install as package (recommended)

cd agent-proxy
pip install -e .
# Now you can import as:
#   from agent_proxy.proxy import SimpleProxy
#   from agent_proxy.logger import ProxyLogger

Option 2: Install dependencies only

cd agent-proxy
pip install -r requirements.txt
# You can run the CLI as a module, but imports must use the agent_proxy prefix.

Note: CLI scripts (http-proxy, proxy-stats, proxy-test) are available when installing the package (pip install -e .) or when running via Poetry (poetry run ...).

Using Poetry (alternative):

cd agent-proxy
poetry install
# run CLI via Poetry
poetry run http-proxy --help
# import in Python as:
#   from agent_proxy.proxy import SimpleProxy
#   from agent_proxy.logger import ProxyLogger

CLI Usage

Basic usage:

# Start proxy with default settings
http-proxy --target https://api.example.com

# Custom port and host
http-proxy --target https://httpbin.org --port 8080 --host 0.0.0.0

# Custom logging
http-proxy --target https://jsonplaceholder.typicode.com \
           --log-file my_logs.json \
           --log-level DEBUG \
           --log-format json

CLI Commands

Main proxy command:

http-proxy --target https://api.example.com [OPTIONS]

Show statistics:

proxy-stats --log-file proxy_requests.log

Test target connectivity:

proxy-test --target https://api.example.com --path /health

CLI Arguments

Argument	Short	Default	Description
--target	-t	required	Target URL to proxy requests to
--host	-h	127.0.0.1	Host to bind the proxy server to
--port	-p	8000	Port to bind the proxy server to
--log-file	-l	logs/proxy_requests.log	Log file path (default folder: logs/)
--log-level	-v	INFO	Logging level (DEBUG, INFO, WARNING, ERROR)
--log-format	-f	json	Log format (json or plain)
--no-console		False	Disable console logging output
--reload		False	Enable auto-reload for development
--workers	-w	1	Number of worker processes

Examples

Basic proxy setup:

# Proxy to httpbin.org on port 8080
http-proxy --target https://httpbin.org --port 8080

# Test with curl
curl http://localhost:8080/get
curl -X POST http://localhost:8080/post -d '{"test": "data"}'

Advanced logging:

# Debug mode with plain text logs
http-proxy --target https://api.github.com \
           --log-level DEBUG \
           --log-format plain \
           --log-file github_logs.txt

# Quiet mode (no console output)
http-proxy --target https://api.example.com --no-console

Production setup:

# Bind to all interfaces with multiple workers
http-proxy --target https://api.example.com \
           --host 0.0.0.0 \
           --port 80 \
           --workers 4 \
           --log-level WARNING

Testing and Statistics

Check proxy statistics:

# Show basic stats
proxy-stats

# Custom log file
proxy-stats --log-file custom_logs.json

Test target connectivity:

# Basic connectivity test
proxy-test --target https://api.example.com

# Test specific endpoint
proxy-test --target https://api.example.com --path /health

Log Format

JSON format (default):

{
  "type": "request",
  "request_id": "req_1234567890",
  "timestamp": "2024-01-15T10:30:00.123456",
  "method": "POST",
  "url": "https://api.example.com/users",
  "headers": {
    "content-type": "application/json",
    "authorization": "Bearer token123"
  },
  "body": "{\"name\": \"John\", \"email\": \"[e-mail]\"}",
  "size": 45
}

Plain text format:

2024-01-15 10:30:00 - INFO - REQUEST [req_1234567890] POST https://api.example.com/users - Headers: 5 - Body: 45 bytes

Python Module Usage

Direct usage:

from agent_proxy.proxy import SimpleProxy
from agent_proxy.logger import ProxyLogger

# Create custom logger
logger = ProxyLogger(log_file="custom.log", log_format="json")

# Create proxy
proxy = SimpleProxy("https://api.example.com", logger)
app = proxy.create_app()

# Run with uvicorn
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8000)

Development

Install in development mode:

pip install -e .

Run tests:

# Using CLI scripts (after install):
http-proxy --help
proxy-stats --help
proxy-test --help

# Or as a module (if not installed):
python -m agent_proxy.cli --help
python -m agent_proxy.cli --target https://httpbin.org --port 8080

Package structure

Your package now uses the following structure for importable modules:

src/
  agent_proxy/
    __init__.py
    cli.py
    logger.py
    proxy.py

Log Files

• proxy_requests.log: Detailed request/response logs
• Console output: Real-time request tracking

Error Handling

The CLI handles common errors gracefully:

• Invalid URLs: Validates target URLs start with http:// or https://
• Connection errors: Returns appropriate HTTP status codes
• Timeout handling: 30s default timeout with proper error responses
• Port conflicts: Clear error messages for port binding issues