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use url_lib::{self};
pub use url_lib::Host;
#[derive(PartialEq, Eq, Clone, Debug)]
pub struct Url {
pub raw: url_lib::Url,
pub host: Host,
pub port: u16,
pub path: Vec<String>,
pub query: Option<String>,
pub username: Option<String>,
pub password: Option<String>,
}
impl Url {
pub fn parse(input: &str) -> Result<Url, String> {
match url_lib::Url::parse(input) {
Ok(raw_url) => Url::from_generic_url(raw_url),
Err(e) => Err(format!("{}", e))
}
}
pub fn from_generic_url(raw_url: url_lib::Url) -> Result<Url, String> {
let username = match raw_url.username() {
"" => None,
username => Some(username.to_owned())
};
let password = match raw_url.password() {
Some(password) if !password.is_empty() => Some(password.to_owned()),
_ => None,
};
let port = raw_url.port_or_known_default().ok_or_else(|| format!("Unknown port for scheme: `{}`", raw_url.scheme()))?;
let host = raw_url.host().ok_or_else(|| "Valid host, because only data:, mailto: protocols does not have host.".to_owned())?.to_owned();
let path = raw_url.path_segments().ok_or_else(|| "Valid path segments. In HTTP we won't get cannot-be-a-base URLs".to_owned())?
.map(|part| part.to_owned()).collect();
let query = raw_url.query().map(|x| x.to_owned());
Ok(Url {
port: port,
host: host,
path: path,
query: query,
raw: raw_url,
username: username,
password: password,
})
}
}
#[cfg(test)]
mod test {
use super::Url;
#[test]
fn test_default_port() {
assert_eq!(Url::parse("http://example.com/wow").unwrap().port, 80u16);
assert_eq!(Url::parse("https://example.com/wow").unwrap().port, 443u16);
}
#[test]
fn test_explicit_port() {
assert_eq!(Url::parse("http://localhost:3097").unwrap().port, 3097u16);
}
#[test]
fn test_empty_username() {
assert!(Url::parse("http://@example.com").unwrap().username.is_none());
assert!(Url::parse("http://:password@example.com").unwrap().username.is_none());
}
#[test]
fn test_not_empty_username() {
let user = Url::parse("http://john:pass@example.com").unwrap().username;
assert_eq!(user.unwrap(), "john");
let user = Url::parse("http://john:@example.com").unwrap().username;
assert_eq!(user.unwrap(), "john");
}
#[test]
fn test_empty_password() {
assert!(Url::parse("http://michael@example.com").unwrap().password.is_none());
assert!(Url::parse("http://:@example.com").unwrap().password.is_none());
}
#[test]
fn test_not_empty_password() {
let pass = Url::parse("http://michael:pass@example.com").unwrap().password;
assert_eq!(pass.unwrap(), "pass");
let pass = Url::parse("http://:pass@example.com").unwrap().password;
assert_eq!(pass.unwrap(), "pass");
}
}