Paste69

A modern, Go-based pastebin service inspired by 0x0.st.

Features

• File uploads and URL shortening
• Multiple storage providers (local and S3)
• Simple and clean API
• Docker support
• Configurable through environment variables
• Rate limiting
• Analytics
• OG image support for text pastes

Installation

Prerequisites

• Go 1.21+
• The desire to live dangerously

Local Setup

# Clone the repository
git clone https://github.com/watzon/0x45.git
cd 0x45

# Install dependencies
go mod download

# Configure settings
vim config/config.yaml

# Start the server (migrations will be run automatically)
go run cmd/server/main.go

Alternatively for speedier local development, you can install the air package and run:

air

Docker

Build and run locally:

docker build -v ./uploads:/app/uploads --tag 0x45 ./docker
docker run -d -p 3000:3000 0x45

Or use the pre-built image:

docker pull ghcr.io/watzon/0x45:main
docker run -d -p 3000:3000 ghcr.io/watzon/0x45:main

Configuration

Configuration is done through the config/config.yaml file. See the example config for more information on the available options. When running in a docker container it might be more convenient to set the environment variables instead, here is a list of available options:

Database Configuration

Controls the database connection settings.

Environment Variable	Description	Default
0X_DATABASE_DRIVER	Database driver to use (sqlite/postgres)	sqlite
0X_DATABASE_HOST	Database host	localhost
0X_DATABASE_PORT	Database port	5432
0X_DATABASE_USER	Database username	""
0X_DATABASE_PASSWORD	Database password	""
0X_DATABASE_NAME	Database name	paste69.db
0X_DATABASE_SSLMODE	SSL mode for postgres	disable

Storage Configuration

Configure one or more storage backends for file storage. Multiple backends can be configured using numbered environment variables (0-9).

Environment Variable	Description	Default
0X_STORAGE_0_NAME	First storage backend name	local
0X_STORAGE_0_TYPE	First storage type (local/s3)	local
0X_STORAGE_0_DEFAULT	First storage is default	true
0X_STORAGE_0_PATH	First local storage path	./uploads
0X_STORAGE_0_S3_BUCKET	First S3 bucket name	""
0X_STORAGE_0_S3_REGION	First S3 region	""
0X_STORAGE_0_S3_KEY	First S3 access key	""
0X_STORAGE_0_S3_SECRET	First S3 secret key	""
0X_STORAGE_0_S3_ENDPOINT	First S3 endpoint	""
0X_STORAGE_1_NAME	Second storage backend name	""
...	(and so on for STORAGE_1 through STORAGE_9)

Server Configuration

Core server settings and behavior.

Environment Variable	Description	Default
0X_SERVER_ADDRESS	Server listen address	:3000
0X_SERVER_BASE_URL	Base URL for the server	""
0X_SERVER_MAX_UPLOAD_SIZE	Maximum upload size in bytes	5242880
0X_SERVER_DEFAULT_UPLOAD_SIZE	Default upload size in bytes	5242880
0X_SERVER_API_UPLOAD_SIZE	API upload size in bytes	5242880
0X_SERVER_PREFORK	Enable prefork mode	false
0X_SERVER_SERVER_HEADER	Server header value	Paste69
0X_SERVER_APP_NAME	Application name	Paste69
0X_SERVER_CORS_ORIGINS	CORS allowed origins	[]
0X_SERVER_VIEWS_DIRECTORY	Directory for view templates	./views
0X_SERVER_PUBLIC_DIRECTORY	Directory for public files	./public

Cleanup Configuration

Settings for automatic content cleanup.

Environment Variable	Description	Default
0X_SERVER_CLEANUP_ENABLED	Enable automatic cleanup	true
0X_SERVER_CLEANUP_INTERVAL	Cleanup interval in seconds	3600
0X_SERVER_CLEANUP_MAX_AGE	Maximum age for content	168h

Rate Limiting Configuration

Controls rate limiting behavior.

Environment Variable	Description	Default
0X_SERVER_RATE_LIMIT_GLOBAL_ENABLED	Enable global rate limiting	true
0X_SERVER_RATE_LIMIT_GLOBAL_RATE	Global requests per second	100.0
0X_SERVER_RATE_LIMIT_GLOBAL_BURST	Global burst size	50
0X_SERVER_RATE_LIMIT_PER_IP_ENABLED	Enable per-IP rate limiting	true
0X_SERVER_RATE_LIMIT_PER_IP_RATE	Per-IP requests per second	1.0
0X_SERVER_RATE_LIMIT_PER_IP_BURST	Per-IP burst size	5
0X_SERVER_RATE_LIMIT_USE_REDIS	Use Redis for rate limiting	false
0X_SERVER_RATE_LIMIT_IP_CLEANUP_INTERVAL	IP cleanup interval	1h

SMTP Configuration

Email sending configuration.

Environment Variable	Description	Default
0X_SMTP_ENABLED	Enable SMTP functionality	false
0X_SMTP_HOST	SMTP server host	""
0X_SMTP_PORT	SMTP server port	587
0X_SMTP_USERNAME	SMTP username	""
0X_SMTP_PASSWORD	SMTP password	""
0X_SMTP_FROM	From email address	""
0X_SMTP_FROM_NAME	From name	Paste69
0X_SMTP_STARTTLS	Use STARTTLS	true

Redis Configuration

Redis connection settings.

Environment Variable	Description	Default
0X_REDIS_ENABLED	Enable Redis	false
0X_REDIS_ADDRESS	Redis server address	localhost:6379
0X_REDIS_PASSWORD	Redis password	""
0X_REDIS_DB	Redis database number	0

Retention Configuration

Content retention policy settings.

Environment Variable	Description	Default
0X_RETENTION_NO_KEY_MIN_AGE	Minimum retention days without key	7.0
0X_RETENTION_NO_KEY_MAX_AGE	Maximum retention days without key	128.0
0X_RETENTION_WITH_KEY_MIN_AGE	Minimum retention days with key	30.0
0X_RETENTION_WITH_KEY_MAX_AGE	Maximum retention days with key	730.0
0X_RETENTION_POINTS	Number of retention curve points	50

Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -am 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

License

This project is licensed under the MIT License - see the LICENSE file for details.