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|
///! FastCGI script that displays a thank-you page with a link to download a
///! custom-generated license.
extern crate aquatic_prime;
extern crate fastcgi;
extern crate exitcode;
#[macro_use]
extern crate log;
extern crate mysql;
#[macro_use]
extern crate serde_derive;
extern crate license_generator;
use std::borrow::Cow;
use std::io::{Cursor, Read, Write};
use aquatic_prime::AquaticPrime;
use license_generator::database;
use license_generator::errors::*;
use license_generator::logger;
use license_generator::params;
use license_generator::response;
use license_generator::zip;
#[derive(Serialize)]
struct LicenseData<'a> {
#[serde(rename = "Name")]
name: &'a str,
#[serde(rename = "Email")]
email: &'a str,
}
fn query_purchaser(
cx: &mut mysql::PooledConn,
name: &str,
email: &str,
secret: &str,
) -> Result<Option<std::result::Result<mysql::Row, mysql::Error>>> {
let mut tx = cx.start_transaction(false, None, None)?;
let row = tx.prep_exec("
SELECT id FROM purchasers
WHERE
name = ?
AND
email = ?
AND
secret = ?",
(
&name,
&email,
&secret,
)
)?.next();
tx.commit()?;
Ok(row)
}
fn main() -> Result<()> {
logger::init()?;
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);
},
};
let public_key = include_str!("../../private/public_key.txt");
let private_key = include_str!("../../private/private_key.txt");
let aquatic_prime = AquaticPrime::new(&public_key, &private_key);
fastcgi::run(move |mut req| {
let mut params = String::new();
match req.stdin().read_to_string(&mut params) {
Ok(_) => (),
Err(e) => error!("{}", e),
}
logger::log_request(&req, ¶ms);
let mut cx = match pool.get_conn() {
Ok(cx) => cx,
Err(e) => {
return response::error_500(
&mut req.stdout(),
Some(e.into())
);
},
};
if let Some(path) = req.param("REQUEST_URI") {
match path.as_ref() {
"/license" => {
// Get params name, email, secret
// Render thank-you page with link to download file
},
// Respond with a zip archive of the license file
"/license/download" => {
match req.param("REQUEST_METHOD") {
Some(method) => {
if method != "POST" {
return response::error_405(&mut req.stdout(), "POST");
}
},
None => {
return response::error_500(&mut req.stdout(), None);
},
};
let ps = params::parse(¶ms);
let name = ps.get("name");
let email = ps.get("email");
let secret = ps.get("secret");
if name.is_some() && email.is_some() && secret.is_some() {
let name = name.unwrap().to_string();
let email = email.unwrap().to_string();
let secret = secret.unwrap().to_string();
let purchaser = match query_purchaser(&mut cx, &name, &email, &secret) {
Ok(p) => p,
Err(e) => return response::error_500(
&mut req.stdout(),
Some(e.into())
),
};
if let Some(purchaser) = purchaser {
match purchaser {
Ok(p) => p,
Err(e) => return response::error_500(
&mut req.stdout(),
Some(e.into())
),
};
let license_data = LicenseData {
name: &name,
email: &email,
};
let license = match aquatic_prime.plist(license_data) {
Ok(p) => p,
Err(e) => return response::error_500(
&mut req.stdout(),
Some(e.into())
),
};
let mut zip_data = Cursor::new(vec![]);
match zip::license(&mut zip_data, license.as_bytes()) {
Ok(p) => p,
Err(e) => return response::error_500(
&mut req.stdout(),
Some(e.into())
),
}
write!(&mut req.stdout(), "Content-Type: application/zip
Content-Disposition: attachment; filename=\"dome-key-license.zip\"\n\n")
.and_then(|_|
req.stdout().write_all(&zip_data.into_inner())
).unwrap_or(());
} else {
return response::error_404(&mut req.stdout());
}
} else {
error!(
"Missing request parameters: name: '{}', email: '{}', secret: '{}'",
name.unwrap_or(&Cow::Borrowed("")),
email.unwrap_or(&Cow::Borrowed("")),
secret.unwrap_or(&Cow::Borrowed("")),
);
return response::error_400(&mut req.stdout());
}
},
_ => (),
}
}
});
Ok(())
}
|
