From e6c2ed7144e39806eac7fafd28c95594e0481fb1 Mon Sep 17 00:00:00 2001 From: Andrew Thorp Date: Wed, 21 Jul 2021 19:56:08 -0400 Subject: [PATCH] Initialize repository --- .gitignore | 1 + Cargo.lock | 253 ++++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 12 +++ src/main.rs | 8 ++ src/response.rs | 64 ++++++++++++ 5 files changed, 338 insertions(+) create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 src/main.rs create mode 100644 src/response.rs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/Cargo.lock b/Cargo.lock new file mode 100644 index 0000000..154d4bf --- /dev/null +++ b/Cargo.lock @@ -0,0 +1,253 @@ +# This file is automatically @generated by Cargo. +# It is not intended for manual editing. +[[package]] +name = "atty" +version = "0.2.14" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum 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b/Cargo.toml @@ -0,0 +1,12 @@ +[package] +name = "coil" +version = "0.1.0" +authors = ["Andrew Thorp "] +edition = "2018" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +anyhow = "1.0.42" +clap = "3.0.0-beta.2" +num-traits = "0.2.14" diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..d9deac0 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,8 @@ +fn main() { + // Open connection + // TLS handshake + // Validate certificate + // Send request + // Handle response + println!("Hello, world!"); +} diff --git a/src/response.rs b/src/response.rs new file mode 100644 index 0000000..ed40468 --- /dev/null +++ b/src/response.rs @@ -0,0 +1,64 @@ +use anyhow::{anyhow, Result}; +use num_traits::Num; + +enum StatusCode { + Input, + Success, + Redirect, + TemporaryFailure, + PermanentFailure, + ClientCertificateRequired, +} + +impl TryFrom for StatusCode { + fn try_from(s: S) -> Result { + if s < 10 || s > 69 { + return Err(anyhow!("Status code must be between [10,70), was {}", s); + } + let first_digit = s / 10; + let code = match first_digit { + 1 => StatusCode::Input, + 2 => StatusCode::Success, + 3 => StatusCode::Redirect, + 4 => StatusCode::TemporaryFailure, + 5 => StatusCode::PermanentFailure, + 6 => StatusCode::ClientCertificateRequired, + _ => panic!("Status code was out of bounds [10,70) but passed the bounds check: {}", s), + }; + Ok(code) + } +} + +struct Status { + status: StatusCode, + code: u16, +} + +impl TryFrom { + fn try_from(s: S) -> Result { + let status = match StatusCode::from(s) { + Ok(s) => s, + Err(err) => return err, + }; + + Ok(Status{ + status: status, + code: s as u16 + } +} + +/// Gemini response headers look like this: +/// +/// +/// +/// is a two-digit numeric status code, as described below in 3.2 and in Appendix 1. +/// +/// is a single space character, i.e. the byte 0x20. +/// +/// is a UTF-8 encoded string of maximum length 1024 bytes, whose meaning is dependent. +/// +/// and are separated by a single space character. +struct ResponseHeader { + status: Status, + meta: Meta, +} -- 2.45.2