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|
extern crate fastcgi;
#[macro_use]
extern crate log;
extern crate mysql;
extern crate simplelog;
extern crate license_generator;
use std::env;
use std::fs::OpenOptions;
use std::io::{Read, Write};
use simplelog::{Config, LevelFilter, WriteLogger};
use license_generator::database;
use license_generator::errors::*;
use license_generator::params;
use license_generator::purchaser::Purchaser;
use license_generator::request;
use license_generator::response;
fn log_request(req: &fastcgi::Request, post_params: &str) {
info!(
"{method} {path} {query} - {protocol} - {user_agent} - {remote_addr} | {forwarded_for} / {post_params}",
method = req.param("REQUEST_METHOD")
.unwrap_or("REQUEST_METHOD".into()),
path = req.param("SCRIPT_NAME")
.unwrap_or("SCRIPT_NAME".into()),
query = req.param("QUERY_STRING")
.unwrap_or("QUERY_STRING".into()),
protocol = req.param("SERVER_PROTOCOL")
.unwrap_or("SERVER_PROTOCOL".into()),
user_agent = req.param("HTTP_USER_AGENT")
.unwrap_or("HTTP_USER_AGENT".into()),
remote_addr = req.param("REMOTE_ADDR")
.unwrap_or("REMOTE_ADDR".into()),
forwarded_for = req.param("HTTP_X_FORWARDED_FOR")
.unwrap_or("HTTP_X_FORWARDED_FOR".into()),
post_params = post_params,
);
}
fn main() -> Result<()> {
let log_file_path = env::var("LOG_FILE")
.chain_err(|| "LOG_FILE environment variable not found")?;
let log_file = OpenOptions::new()
.append(true)
.create(true)
.open(log_file_path)?;
let mut log_config = Config::default();
log_config.time_format = Some("%+");
WriteLogger::init(LevelFilter::Info, log_config, log_file)?;
let pool = match database::get_database_pool()
.chain_err(|| "failed to create a database connection pool")
{
Ok(pool) => pool,
Err(e) => {
error!("{}", e);
return Err(e);
},
};
fastcgi::run(move |mut req| {
let mut params = String::new();
match req.stdin().read_to_string(&mut params) {
Ok(_) => (),
Err(e) => error!("{}", e),
}
log_request(&req, ¶ms);
match req.param("REQUEST_METHOD") {
Some(method) => {
if method != "POST" {
response::set_405(&mut req.stdout(), "POST")
.unwrap_or(());
write!(&mut req.stdout(), "Content-Type: text/plain
405 Method Not Allowed")
.unwrap_or(());
return;
}
},
None => {
response::set_500(&mut req.stdout()).unwrap_or(());
write!(&mut req.stdout(), "Content-Type: text/plain
500 Internal Server Error")
.unwrap_or(());
return;
},
};
let ps = params::parse(¶ms);
let is_verified = match request::verified(&ps) {
Ok(v) => v,
Err(e) => {
error!("{}", e);
response::set_500(&mut req.stdout()).unwrap_or(());
write!(&mut req.stdout(), "Content-Type: text/plain
500 Internal Server Error")
.unwrap_or(());
return;
},
};
if is_verified {
let name = ps.get("name");
let email = ps.get("email");
if name.is_some() && email.is_some() {
let purchaser = Purchaser::new(name.unwrap(), email.unwrap());
let mut cx = match pool.get_conn() {
Ok(cx) => cx,
Err(e) => {
error!("{}", e);
response::set_500(&mut req.stdout()).unwrap_or(());
write!(&mut req.stdout(), "Content-Type: text/plain
500 Internal Server Error")
.unwrap_or(());
return;
},
};
match purchaser.insert(&mut cx) {
Ok(_) => {
// TODO: Print message to be appended to user email
write!(&mut req.stdout(), "Content-Type: text/plain
200 OK")
.unwrap_or(());
return;
},
Err(e) => {
error!("{}", e);
response::set_500(&mut req.stdout()).unwrap_or(());
write!(&mut req.stdout(), "Content-Type: text/plain
500 Internal Server Error")
.unwrap_or(());
return;
},
}
}
error!("Purchaser name or email not set");
response::set_500(&mut req.stdout()).unwrap_or(());
write!(&mut req.stdout(), "Content-Type: text/plain
500 Internal Server Error")
.unwrap_or(());
return;
}
response::set_403(&mut req.stdout()).unwrap_or(());
write!(&mut req.stdout(), "Content-Type: text/plain
403 Forbidden: Invalid request signature")
.unwrap_or(());
});
Ok(())
}
|
