Added cgi and util mod

src/cgi.rs

@@ -0,0 +1,43 @@
+use std::io::{self, BufReader};
+use std::path::{Path, PathBuf};
+use std::process::Command;
+use std::collections::HashMap;
+use tokio::net::TcpStream;
+use tokio_rustls::server::TlsStream;
+use url::Url;
+
+use crate::config;
+use crate::status;
+use crate::util;
+
+pub async fn cgi(
+    stream: TlsStream<TcpStream>,
+    path: PathBuf,
+    url: Url,
+    cfg: config::Config,
+) -> Result<(), io::Error> {
+
+    let mut envs = HashMap::new();
+    envs.insert("GEMINI_URL", url.as_str());
+    envs.insert("SERVER_NAME", url.host_str().unwrap());
+    envs.insert("SCRIPT_NAME", path.file_name().unwrap().to_str().unwrap());
+    envs.insert("SERVER_PROTOCOL", "GEMINI");
+    // envs.insert("SERVER_PORT", &(cfg.port as str));
+    
+    if let Some(q) = url.query() {
+        envs.insert("QUERY_STRING", q);
+    }
+
+    let cmd = Command::new(path.to_str().unwrap())
+        .env_clear()
+        .envs(&envs)
+        .output()
+        .unwrap();
+    if !cmd.status.success() {
+        util::send(stream, status::Status::CGIError, "CGI Error!", None).await?;
+        return Ok(());
+    }
+    let cmd = String::from_utf8(cmd.stdout).unwrap();
+    util::send(stream, status::Status::Success, "text/gemini", Some(cmd)).await?;
+    return Ok(());
+}