From 6948027b574509c8bfdd71d065abd5141411f469 Mon Sep 17 00:00:00 2001
From: WeebDataHoarder <57538841+WeebDataHoarder@users.noreply.github.com>
Date: Tue, 8 Apr 2025 17:57:24 +0200
Subject: [PATCH] Initial README

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+# go-away
+
+Self-hosted abuse detection and rule enforcement against low-effort mass AI scraping and bots.
+
+[![Build Status](https://ci.gammaspectra.live/api/badges/git/go-away/status.svg)](https://ci.gammaspectra.live/git/go-away)
+[![Go Reference](https://pkg.go.dev/badge/git.gammaspectra.live/git/go-away.svg)](https://pkg.go.dev/git.gammaspectra.live/git/go-away)
+
+This documentation is a work in progress. For now, see policy examples under [examples/](examples/).
+
+## Setup
+
+### Dockerfile
+
+Available under [Dockerfile](Dockerfile). See the _docker compose_ below for the environment variables.
+
+### docker compose
+
+```yaml
+services:
+  go-away:
+    image: git.gammaspectra.live/git/go-away:latest
+    restart: always
+    ports:
+      - "3000:8080"
+    networks:
+      - forgejo
+    depends_on:
+      - forgejo
+    volumes:
+      - "./examples/forgejo.yml:/policy.yml:ro"
+    environment:
+      #GOAWAY_BIND: ":8080"
+      #GOAWAY_BIND_NETWORK: "tcp"
+      #GOAWAY_SOCKET_MODE: "0770"
+      
+      # default is WARN, set to INFO to also see challenge successe and others
+      #GOAWAY_SLOG_LEVEL: "INFO"
+      
+      # this value is used to sign cookies and challenges. by default a new one is generated each time
+      # set to generate to create one, then set the same value across all your instances
+      #GOAWAY_JWT_PRIVATE_KEY_SEED: ""
+      
+      # HTTP header that the client ip will be fetched from
+      # Defaults to the connection ip itself, if set here make sure your upstream proxy sets this properly
+      # Usually X-Forwarded-For is a good pick
+      GOAWAY_CLIENT_IP_HEADER: "X-Real-Ip"
+      
+      GOAWAY_POLICY: "/policy.yml"
+      
+      # Template, and theme for the template to pick. defaults to an anubis-like one
+      # An file path can be specified. See embed/templates for a few examples
+      GOAWAY_CHALLENGE_TEMPLATE: forgejo
+      GOAWAY_CHALLENGE_TEMPLATE_THEME: forgejo-dark
+      
+      GOAWAY_BACKEND: "git.example.com=http://forgejo:3000"
+      
+    # additional backends can be specified via more command arguments  
+    # command: ["--backend", "ci.example.com=http://ci:3000"]
+
+```
+
+
+## Examples
+
+
+## Development
+
+### Compiling WASM runtime challenge modules
+
+Custom WASM runtime modules follow the WASI `wasip1` preview syscall API.
+
+It is recommended using TinyGo to compile / refresh modules, and some function helpers are provided.
+
+If you want to use a different language or compiler, enable `wasip1` and the following interface must be exported:
+
+```
+// Allocation is a combination of pointer location in WASM memory and size of it
+type Allocation uint64
+
+func (p Allocation) Pointer() uint32 {
+	return uint32(p >> 32)
+}
+func (p Allocation) Size() uint32 {
+	return uint32(p)
+}
+
+
+// MakeChallenge MakeChallengeInput / MakeChallengeOutput are valid JSON.
+// See lib/challenge/interface.go for a definition
+func MakeChallenge(in Allocation[MakeChallengeInput]) Allocation[MakeChallengeOutput]
+
+// VerifyChallenge VerifyChallengeInput is valid JSON.
+// See lib/challenge/interface.go for a definition
+func VerifyChallenge(in Allocation[VerifyChallengeInput]) VerifyChallengeOutput
+
+func malloc(size uint32) uintptr
+func free(size uintptr)
+
+```
+
+Modules will be recreated for each call, so there is no state leftover
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