diff --git a/.gitignore b/.gitignore
index d01bd1a..efe3eb1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,4 +18,8 @@ Cargo.lock
# be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
# and can be added to the global gitignore or merged into this file. For a more nuclear
# option (not recommended) you can uncomment the following to ignore the entire idea folder.
-#.idea/
\ No newline at end of file
+#.idea/
+
+# Added by cargo
+
+/target
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..c949f62
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "hermes"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
diff --git a/public/200.json b/public/200.json
new file mode 100644
index 0000000..dd2e842
--- /dev/null
+++ b/public/200.json
@@ -0,0 +1,5 @@
+{
+ "SomeKey": "Some Value goes here",
+ "SomeOther": "thisisAOnthervalue",
+ "Integer": 123
+}
diff --git a/public/404.html b/public/404.html
new file mode 100644
index 0000000..22dfb0b
--- /dev/null
+++ b/public/404.html
@@ -0,0 +1,9 @@
+
+
+
+ Page Not Found | Hermes
+
+
+ The requested page could not be found.
+
+
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..b8b1728
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,92 @@
+use std::{
+ fs,
+ io::{prelude::*, BufReader},
+ net::{TcpListener, TcpStream},
+};
+
+#[allow(dead_code)]
+struct IncomingRequest {
+ req_type: String,
+ path: String
+}
+
+// Listen on port and return response.
+fn main() {
+ let listener = TcpListener::bind("127.0.0.1:7878").unwrap();
+
+ for stream in listener.incoming() {
+ let stream = stream.unwrap();
+ handle_connection(stream);
+ }
+}
+
+#[allow(unused_assignments)]
+fn handle_connection(mut stream: TcpStream) {
+ let buf_reader = BufReader::new(&stream);
+ let http_request: Vec<_> = buf_reader
+ .lines()
+ .map(|result| result.unwrap())
+ .take_while(|line| !line.is_empty())
+ .collect();
+
+ let request_line: String = http_request.first().expect("Not a string").to_string();
+ let req_vec: Vec<&str> = request_line.split(" ").collect();
+ let inc_request = IncomingRequest {
+ req_type: req_vec[0].to_string(),
+ path: req_vec[1].to_string(),
+ };
+ let api_key: String = get_api_key(http_request);
+ let mut response = String::new();
+ // If not a GET request, or missing API key, throw 404.
+ if inc_request.req_type != "GET" || api_key.is_empty() {
+ response = return_404();
+ }
+ else {
+ // Check that the API key is in fact fact valuid.
+ // Not really checking right now.
+ response = return_200();
+ }
+ // If not present, return 404.
+ // Perhaps move both of those conditions to a new function.
+ stream.write_all(response.as_bytes()).unwrap();
+}
+
+// get the apy key from the headers.
+fn get_api_key(headers: Vec) -> String {
+ let mut api_key = String::new();
+
+ for header in headers {
+ // split header, strip whitespace, check if exists.
+ let split_header: Vec<&str> = header.split(":").collect();
+ let header_key: String = split_header.first().expect("Nothing here").to_string();
+ if header_key == "x-api-key" {
+ api_key = split_header[1].to_string();
+ }
+ }
+
+ api_key
+}
+
+// Return a 404.
+fn return_404() -> String {
+ let status_line = "HTTP/1.1 404 Not Found";
+ let contents = fs::read_to_string("./public/404.html").unwrap();
+ let length = contents.len();
+
+ let response =
+ format!("{status_line}\r\nContent-Length: {length}\r\n\r\n{contents}");
+
+ response
+}
+
+// Return a 200 with the json.
+fn return_200() -> String {
+ let status_line = "HTTP/1.1 200 OK";
+ let contents = fs::read_to_string("./public/200.json").unwrap();
+ let length = contents.len();
+
+ let response =
+ format!("{status_line}\r\nContent-Length: {length}\r\n\r\n{contents}");
+
+ response
+}