152 lines
4.7 KiB
Markdown
152 lines
4.7 KiB
Markdown
# infinite-noodle
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`infinite-noodle` is a small Go service that combines:
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- a web UI for viewing configured TCP proxies
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- a Bitcask-backed data store for persisted proxy definitions
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- a TCP proxy runner built with Go's standard `net` package
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This README is written for working in a GitHub Codespace.
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## What It Does
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Each "noodle" is a TCP forwarding rule with:
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- a name
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- an allowed source (`All` or a specific source IP)
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- a listen port
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- a destination host
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- a destination port
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- an expiration duration
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- an up/down state
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When the app starts, it loads saved noodles from the local database and starts any active proxy routes. It also serves a web UI for creating, pausing, resuming, and deleting them.
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## Current State
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The project is functional enough to:
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- start the web app
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- load stored proxy definitions from `./infinite.db`
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- create new noodles from the UI
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- run active TCP and UDP proxies
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- restrict a proxy to a specific source IP
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- update expiration values in the database every second while a proxy is active
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- close and delete expired noodles automatically
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- pause a noodle from the UI without decrementing its expiration
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- delete existing noodles from the UI
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Current limitations:
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- there is no REST API; management is currently through the server-rendered UI
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- protocols are limited to TCP and UDP
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## Running In A Codespace
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This repo expects a Go toolchain to be available in the Codespace. If it is missing, install or add Go first.
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Start the app:
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```bash
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go run ./cmd/infinite-noodle
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```
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Default runtime settings:
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- host: `0.0.0.0`
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- web UI port: `7878`
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- database path: `./infinite.db`
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Open the app in the browser from the forwarded port for `7878`.
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You can also override the defaults:
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```bash
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go run ./cmd/infinite-noodle -host 0.0.0.0 -port 7878 -data ./infinite.db
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```
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Available flags:
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- `-host`: host/interface to bind the web server to
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- `-port`: web server port
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- `-data`: path to the Bitcask database directory
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- `-test`: seeds the database with sample noodles on startup
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## UI Behavior
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The main table includes an add row for creating a proxy with:
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- `Name`
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- `Allow From`: accepts `All` or a specific IP address, with the current client IP suggested
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- `Proto`: choose `TCP` or `UDP`
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- `Listen Port`
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- `Destination Port`
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- `Destination Host`
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- `Expiration`: parsed as a Go `time.Duration` such as `30s`, `5m`, or `1h15m`
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The `Status` column is a checkbox:
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- checked: the proxy is active and the expiration counts down
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- unchecked: the proxy is closed and the expiration is paused
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The expiration value is shown as a live countdown in the browser. When it reaches zero, the row is removed from the UI and the noodle is deleted from the database.
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## Codespaces Port Notes
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In Codespaces, you will usually need to forward:
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- `7878` for the web UI
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- any listen ports used by active noodles
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Example:
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- if a noodle listens on `5555`, forward port `5555`
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- if it proxies to another service running inside the Codespace on `6666`, that destination only needs forwarding if you also want direct browser or external access to it
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## Quick Local Proxy Demo
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The repo includes simple Python test scripts in [`test/server.py`](/data/project/go/src/infinite-noodle/test/server.py) and [`test/client.py`](/data/project/go/src/infinite-noodle/test/client.py).
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Typical flow:
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1. Run the app with `go run ./cmd/infinite-noodle`
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2. Start the test echo server on `127.0.0.1:6666`
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3. Add a noodle in the UI that listens on `5555` and forwards to `127.0.0.1:6666`
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4. Run the test client, which connects to `127.0.0.1:5555`
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## Building Binaries
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The repo includes [`build.sh`](/data/project/go/src/infinite-noodle/build.sh), which builds binaries for:
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- Linux amd64
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- macOS arm64
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- macOS amd64
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- Windows arm64
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- Windows amd64
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Run:
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```bash
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sh build.sh
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```
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Artifacts are written under `./target/`.
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To build only the Linux amd64 target:
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```bash
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GOOS=linux GOARCH=amd64 go build -buildvcs=false -o target/infinite-noodle.net-proxy ./cmd/infinite-noodle
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```
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## Important Files
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- [`cmd/infinite-noodle/main.go`](/data/project/go/src/infinite-noodle/cmd/infinite-noodle/main.go): binary entrypoint and CLI flags
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- [`internal/app/app.go`](/data/project/go/src/infinite-noodle/internal/app/app.go): app startup, HTTP server, and proxy lifecycle
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- [`internal/noodle/database.go`](/data/project/go/src/infinite-noodle/internal/noodle/database.go): Bitcask storage layer
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- [`internal/web/handlers.go`](/data/project/go/src/infinite-noodle/internal/web/handlers.go): HTML handlers
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- [`internal/assets/templates/index.html`](/data/project/go/src/infinite-noodle/internal/assets/templates/index.html): UI template
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## Verification Note
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The reorganized project layout was verified with `go test ./...` and `go build ./...` in this workspace.
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