~athorp96/Coil

e6c2ed7144e39806eac7fafd28c95594e0481fb1 — Andrew Thorp 3 years ago 
Initialize repository
patch browse .tar.gz 
5 files changed, 338 insertions(+), 0 deletions(-)

A .gitignore
A Cargo.lock
A Cargo.toml
A src/main.rs
A src/response.rs

A  => .gitignore +1 -0
@@ 1,1 @@
/target


A  => Cargo.lock +253 -0
@@ 1,253 @@
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# It is not intended for manual editing.
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A  => Cargo.toml +12 -0
@@ 1,12 @@
[package]
name = "coil"
version = "0.1.0"
authors = ["Andrew Thorp <andrew.thorp.dev@gmail.com>"]
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"


A  => src/main.rs +8 -0
@@ 1,8 @@
fn main() {
    // Open connection
    // TLS handshake
    // Validate certificate
    // Send request
    // Handle response
    println!("Hello, world!");
}


A  => src/response.rs +64 -0
@@ 1,64 @@
use anyhow::{anyhow, Result};
use num_traits::Num;

enum StatusCode {
    Input,
    Success,
    Redirect,
    TemporaryFailure,
    PermanentFailure,
    ClientCertificateRequired,
}

impl TryFrom<S: Num> for StatusCode {
    fn try_from(s: S) -> Result<StatusCode> {
        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<S: Num> {
    fn try_from(s: S) -> Result<Status> {
        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:
///
/// <STATUS><SPACE><META><CR><LF>
///
/// <STATUS> is a two-digit numeric status code, as described below in 3.2 and in Appendix 1.
///
/// <SPACE> is a single space character, i.e. the byte 0x20.
///
/// <META> is a UTF-8 encoded string of maximum length 1024 bytes, whose meaning is <STATUS> dependent.
///
/// <STATUS> and <META> are separated by a single space character.
struct ResponseHeader {
    status: Status,
    meta: Meta,
}