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52 lines
2.3 KiB
Markdown
52 lines
2.3 KiB
Markdown
# Agate
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## Simple Gemini server for static files
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Agate is a server for the [Gemini] network protocol, built with the [Rust] programming language. Agate has very few features, and can only serve static files. It uses async I/O, and should be quite efficient even when running on low-end hardware and serving many concurrent requests.
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## Learn more
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* Home page: [gemini://gem.limpet.net/agate/][home]
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* [Cargo package][crates.io]
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* [Source code][source]
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## Installation and setup
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1. Download and unpack the [pre-compiled binary](https://github.com/mbrubeck/agate/releases).
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Or, if you have the Rust toolchain installed, run `cargo install agate` to
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install agate from crates.io.
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Or download the source code and run `cargo build --release` inside the
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source repository, then find the binary at `target/release/agate`.
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2. Generate a self-signed TLS certificate and private key. For example, if you have OpenSSL 1.1 installed, you can use a command like the following. (Replace the hostname with the address of your Gemini server.)
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```
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openssl req -x509 -newkey rsa:4096 -keyout key.rsa -out cert.pem \
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-days 3650 -nodes -subj "/CN=example.com"
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```
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3. Run the server. The command line arguments are `agate <addr:port> <content_dir> <cert_file> <key_file> [<domain>]`. For example, to listen on the standard Gemini port (1965) on all interfaces:
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```
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agate 0.0.0.0:1965 path/to/content/ cert.pem key.rsa
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```
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Agate will check that the port part of the requested URL matches the port specified in the 1st argument.
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If `<domain>` is specified, agate will also check that the host part of the requested URL matches this domain.
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When a client requests the URL `gemini://example.com/foo/bar`, Agate will respond with the file at `path/to/content/foo/bar`. If there is a directory at that path, Agate will look for a file named `index.gmi` inside that directory.
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Optionally, set a log level via the `AGATE_LOG` environment variable. Logging is powered by the [env_logger crate](https://crates.io/crates/env_logger):
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```
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AGATE_LOG=info 0.0.0.0:1965 path/to/content/ cert.pem key.rsa
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```
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[Gemini]: https://gemini.circumlunar.space/
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[Rust]: https://www.rust-lang.org/
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[home]: gemini://gem.limpet.net/agate/
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[rustup]: https://www.rust-lang.org/tools/install
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[source]: https://github.com/mbrubeck/agate
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[crates.io]: https://crates.io/crates/agate
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