Handle URL rewriting for subdirectories containing index.html

This commit is contained in:
abbie 2021-09-02 18:13:37 +01:00
parent 00ebb833aa
commit 04e019b00e

View file

@ -1,23 +1,45 @@
se std::io::{Write, BufReader, BufRead};
use std::io::{Write, BufReader, BufRead};
use std::net::{TcpListener, TcpStream};
use std::fs;
use std::string::{String};
fn check_if_path_exists(path: String) -> bool {
// This is probably not the best way of checking if a path
// exists but I don't care :)
let file = fs::metadata(path);
match file {
Ok(_) => true,
Err(_) => false,
}
}
fn check_if_dir(directory: String) -> bool {
let path = directory + "/index.html";
let result = check_if_path_exists(path);
return result;
}
fn get_page(filename: String) -> String {
// The loaded page should be left immutable as it does
// not need to be modified by the server.
if filename == ".503" {
if filename == ".error_server_404" {
let result = "<!DOCTYPE HTML><html><body><h1>404 Not Found</h1><p>The resource you are trying to locate cannot be accessed!</p></body></html>";
return result.to_string();
} else if filename == ".error_server_503" {
let result = "<!DOCTYPE HTML><html><body><h1>503 Not Implemented</h1><p>The request sent by your web browser cannot be handled by this server software.</p></body></html>";
return result.to_string();
} else {
let result = fs::read_to_string(filename);
match result {
Ok(i) => i.to_string(),
Err(_e) => "<!DOCTYPE HTML><html><body><h1>404 Not Found</h1><p>The resource you are trying to locate cannot be accessed!</p></body></html>".to_string(),
Err(_e) => "<!DOCTYPE HTML><html><body><h1>403 Forbidden</h1><p>The resource you are trying to access cannot be read by the server.</p></body></html>".to_string(),
}
}
@ -25,6 +47,8 @@ fn get_page(filename: String) -> String {
fn process_request(request: Vec<u8>) -> String {
let mut input = String::from_utf8_lossy(&request).to_string();
let mut index = String::new();
let output;
if input.contains("GET") {
// To-do: find a less atrocious way to do this.
@ -41,7 +65,22 @@ fn process_request(request: Vec<u8>) -> String {
if input != "/" {
let mut chars = input.chars();
chars.next();
let path = chars.as_str().to_string();
let exists = check_if_path_exists(path);
if exists == false {
output = ".error_server_404";
} else {
let path = chars.as_str().to_string();
let dir = check_if_dir(path);
if dir == true {
let path = chars.as_str().to_string();
index += &path;
index += "/index.html";
output = index.as_str().clone();
} else {
output = chars.as_str();
}
}
} else {
output = "index.html";
}
@ -49,8 +88,8 @@ fn process_request(request: Vec<u8>) -> String {
} else {
// It's get_page()'s problem now.
println!("Stream sent unhandlable request type.");
output = ".503";
println!("Stream sent unhandlable request.");
output = ".error_server_503";
}
// Did you want to see chars.as_str().to_string()?