feat: Make OAuth2 token the default credential for authentification

mwbot_template.toml

@@ -4,5 +4,5 @@ rest_url = "{}"
 
 [auth]
 username = "{}"
-password = "{}"
-# oauth2_token = "{}"
+# password = "{}"
+oauth2_token = "{}"

src/main.rs

@@ -26,7 +26,7 @@ struct SetupArgs {
     username: String,
     /// Specify the botpassword of the bot
     #[arg(long, env = "MW_BOTPASSWORD")]
-    botpassword: String,
+    botpassword: Option<String>,
     /// Specify the OAuth2 token of the bot
     #[arg(long, env = "MW_OAUTH2")]
     oauth2_token: String,
@@ -47,16 +47,26 @@ enum Action {
     Run,
 }
 
+fn read_config_template() -> Result<String, std::io::Error> {
+    std::fs::read_to_string(CONFIG_TEMPLATE_PATH).or(Err(std::io::Error::new(std::io::ErrorKind::NotFound, format!("Unable to find {}; did you execute the script from the same directory?", CONFIG_TEMPLATE_PATH))))
+}
+
+fn fill_config_template(config_template: String, args: SetupArgs) -> String {
+    formatx!(config_template, args.api_url, args.rest_url, args.username, args.botpassword.unwrap_or("".into()), args.oauth2_token).unwrap()
+}
+
+// Fix permissions on UNIX-like systems, since mwbot-rs doesn't like to read configs with loose permissions.
+fn constrain_unix_permissions(path: &PathBuf) -> Result<(), std::io::Error> {
+    use std::os::unix::fs::PermissionsExt;
+    std::fs::set_permissions(path, std::fs::Permissions::from_mode(0o600))
+}
+
 fn setup(args: SetupArgs) -> Result<(), std::io::Error> {
-    let config_template = std::fs::read_to_string(CONFIG_TEMPLATE_PATH).or(Err(std::io::Error::new(std::io::ErrorKind::NotFound, format!("Unable to find {}; did you execute the script from the same directory?", CONFIG_TEMPLATE_PATH))))?;
-    let filled_in_config = formatx!(config_template, args.api_url, args.rest_url, args.username, args.botpassword, args.oauth2_token).unwrap();
+    let config_template = read_config_template()?;
+    let filled_in_config = fill_config_template(config_template, args);
     let path = get_bot_config_path();
-    std::fs::write(&path, filled_in_config).unwrap();
-    // Fix permissions on UNIX-like systems, since mwbot-rs doesn't like to read configs with loose permissions.
-    {
-        use std::os::unix::fs::PermissionsExt;
-        std::fs::set_permissions(path, std::fs::Permissions::from_mode(0o600))?;
-    }
+    std::fs::write(&path, filled_in_config)?;
+    constrain_unix_permissions(&path)?;
     Ok(())
 }