1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48

use std::process::exit;

use serde::{Deserialize, Serialize};

/// Configuration object for WICRS Server.
#[derive(Serialize, Deserialize)]
pub struct Config {
    /// Authentication services 
    pub auth_services: AuthConfigs,
    /// Address to listen on for HTTP requests. (`host:port`)
    pub address: String,
    /// Whether or not to show the version of WICRS server on the root webpage (`http(s)://host:port/`)
    pub show_version: bool,
}

/// Configuration for a generic OAuth service.
#[derive(Serialize, Deserialize)]
pub struct AuthConfig {
    /// Whether or not this OAuth service should be used.
    pub enabled: bool,
    /// Client ID given by the OAuth service.
    pub client_id: String,
    /// Client Secret given by the OAuth service.
    pub client_secret: String,
}

/// OAuth service configurations.
#[derive(Serialize, Deserialize)]
pub struct AuthConfigs {
    /// GitHub OAuth config.
    pub github: Option<AuthConfig>,
}

/// Load the configuration from `config.json`.
/// This will cause the program to shutdown if the config file does not exist or if the data it contains is invalid.
pub fn load_config(path: &str) -> Config {
    if let Ok(read) = std::fs::read_to_string(path) {
        if let Ok(config) = serde_json::from_str::<Config>(&read) {
            return config;
        } else {
            println!("config.json does not contain a valid configuration.");
            exit(1);
        }
    } else {
        println!("Failed to load config.json.");
        exit(1);
    }
}