use super::{ValidatorOption, Validated, ValidatedWrapper};
use std::fmt::{self, Display, Debug, Formatter};
use std::str::Utf8Error;
use std::ops::Deref;
use std::error::Error;
use super::domain::{DomainValidator, DomainError, Domain};
use super::ipv4::{IPv4Validator, IPv4Error, IPv4};
use super::ipv6::{IPv6Validator, IPv6Error, IPv6};
#[derive(Debug, PartialEq, Clone)]
pub enum HostError {
Domain(DomainError),
IPv4(IPv4Error),
IPv6(IPv6Error),
NoValidator,
UTF8Error(Utf8Error),
}
impl Display for HostError {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
Debug::fmt(self, f)
}
}
impl Error for HostError {}
pub type HostResult = Result<Host, HostError>;
#[derive(Debug, PartialEq)]
pub struct HostValidator {
pub domain: Option<DomainValidator>,
pub ipv4: Option<IPv4Validator>,
pub ipv6: Option<IPv6Validator>,
}
#[derive(Clone, PartialEq, Eq, Hash)]
pub enum Host {
Domain(Domain),
IPv4(IPv4),
IPv6(IPv6),
}
impl Host {
pub fn get_full_host(&self) -> &str {
match self {
Host::Domain(d) => d.get_full_domain(),
Host::IPv4(d) => d.get_full_ipv4(),
Host::IPv6(d) => d.get_full_ipv6()
}
}
pub fn get_full_host_without_port(&self) -> &str {
match self {
Host::Domain(d) => d.get_full_domain_without_port(),
Host::IPv4(d) => d.get_full_ipv4_without_port(),
Host::IPv6(d) => d.get_full_ipv6_without_port()
}
}
pub fn get_port(&self) -> Option<u16> {
match self {
Host::Domain(d) => d.get_port(),
Host::IPv4(d) => d.get_port(),
Host::IPv6(d) => d.get_port()
}
}
pub fn is_local(&self) -> bool {
match self {
Host::Domain(d) => d.is_localhost(),
Host::IPv4(d) => d.is_local(),
Host::IPv6(d) => d.is_local()
}
}
pub fn into_string(self) -> String {
match self {
Host::Domain(d) => d.into_string(),
Host::IPv4(d) => d.into_string(),
Host::IPv6(d) => d.into_string()
}
}
}
impl Deref for Host {
type Target = str;
fn deref(&self) -> &Self::Target {
match self {
Host::Domain(d) => d.get_full_domain(),
Host::IPv4(d) => d.get_full_ipv4(),
Host::IPv6(d) => d.get_full_ipv6()
}
}
}
impl Validated for Host {}
impl Debug for Host {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
impl_debug_for_enum!(Host::{(Domain(v): (let .v = v)), (IPv4(v): (let .v = v)), (IPv6(v): (let .v = v))}, f, self);
}
}
impl Display for Host {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
match self {
Host::Domain(d) => f.write_str(d.get_domain()),
Host::IPv4(d) => f.write_str(d.get_full_ipv4()),
Host::IPv6(d) => f.write_str(d.get_full_ipv6()),
}
}
}
impl HostValidator {
pub fn is_host(&self, full_host: &str) -> bool {
self.parse_inner(full_host).is_ok()
}
pub fn parse_string(&self, full_host: String) -> HostResult {
self.parse_inner(&full_host)
}
pub fn parse_str(&self, full_host: &str) -> HostResult {
self.parse_inner(full_host)
}
fn parse_inner(&self, full_host: &str) -> HostResult {
let mut err = Err(HostError::NoValidator);
if let Some(ref v) = self.ipv4 {
match v.parse_str(full_host) {
Ok(r) => return Ok(Host::IPv4(r)),
Err(e) => {
err = Err(HostError::IPv4(e));
}
}
}
if let Some(ref v) = self.ipv6 {
match v.parse_str(full_host) {
Ok(r) => return Ok(Host::IPv6(r)),
Err(e) => {
err = Err(HostError::IPv6(e));
}
}
}
if let Some(ref v) = self.domain {
match v.parse_str(full_host) {
Ok(r) => return Ok(Host::Domain(r)),
Err(e) => {
err = Err(HostError::Domain(e));
}
}
}
err
}
}
#[cfg(test)]
mod tests {
use super::*;
use super::super::ValidatorOption;
#[test]
fn test_host_methods() {
let domain = "168.17.212.1:8080".to_string();
let iv = IPv4Validator {
port: ValidatorOption::Allow,
local: ValidatorOption::NotAllow,
ipv6: ValidatorOption::NotAllow,
};
let hv = HostValidator {
domain: None,
ipv4: Some(iv),
ipv6: None,
};
let host = hv.parse_string(domain).unwrap();
assert_eq!("168.17.212.1:8080", host.get_full_host());
assert_eq!("168.17.212.1", host.get_full_host_without_port());
assert_eq!(false, host.is_local());
}
#[test]
fn test_host_lv1() {
let domain = "168.17.212.1".to_string();
let iv = IPv4Validator {
port: ValidatorOption::NotAllow,
local: ValidatorOption::NotAllow,
ipv6: ValidatorOption::NotAllow,
};
let hv = HostValidator {
domain: None,
ipv4: Some(iv),
ipv6: None,
};
hv.parse_string(domain).unwrap();
}
}
macro_rules! extend {
( $name:ident, $local:expr ) => {
#[derive(Clone, PartialEq, Eq, Hash)]
pub struct $name(Host);
impl From<$name> for Host {
fn from(d: $name) -> Self {
d.0
}
}
impl Deref for $name {
type Target = str;
fn deref(&self) -> &Self::Target {
match &self.0 {
Host::Domain(d) => d.get_full_domain(),
Host::IPv4(d) => d.get_full_ipv4(),
Host::IPv6(d) => d.get_full_ipv6()
}
}
}
impl Validated for $name {}
impl ValidatedWrapper for $name {
type Error = HostError;
fn from_string(host: String) -> Result<Self, Self::Error> {
$name::from_string(host)
}
fn from_str(host: &str) -> Result<Self, Self::Error> {
$name::from_str(host)
}
}
impl Debug for $name {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
f.write_fmt(format_args!("{}({})", stringify!($name), self.0))?;
Ok(())
}
}
impl Display for $name {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
Display::fmt(&self.0, f)
}
}
impl $name {
pub fn from_string(host: String) -> Result<$name, HostError> {
Ok($name($name::create_validator().parse_string(host)?))
}
pub fn from_str(host: &str) -> Result<$name, HostError> {
Ok($name($name::create_validator().parse_str(host)?))
}
pub fn from_host(host: Host) -> Result<$name, HostError> {
{
match &host {
Host::Domain(h)=> {
match $local {
ValidatorOption::Must => {
if !h.is_localhost() {
return Err(HostError::Domain(DomainError::LocalhostNotFound))
}
},
ValidatorOption::NotAllow => {
if h.is_localhost() {
return Err(HostError::Domain(DomainError::LocalhostNotAllow))
}
}
_=>()
}
}
Host::IPv4(h)=> {
match $local {
ValidatorOption::Must => {
if !h.is_local() {
return Err(HostError::IPv4(IPv4Error::LocalNotFound))
}
},
ValidatorOption::NotAllow => {
if h.is_local() {
return Err(HostError::IPv4(IPv4Error::LocalNotAllow))
}
}
_=>()
}
}
Host::IPv6(h)=> {
match $local {
ValidatorOption::Must => {
if !h.is_local() {
return Err(HostError::IPv6(IPv6Error::LocalNotFound))
}
},
ValidatorOption::NotAllow => {
if h.is_local() {
return Err(HostError::IPv6(IPv6Error::LocalNotAllow))
}
}
_=>()
}
}
}
}
Ok($name(host))
}
pub fn into_host(self) -> Host {
self.0
}
pub fn as_host(&self) -> &Host {
&self.0
}
fn create_validator() -> HostValidator {
let dv = DomainValidator {
port: ValidatorOption::Allow,
localhost: $local,
};
let iv4 = IPv4Validator {
port: ValidatorOption::Allow,
local: $local,
ipv6: ValidatorOption::NotAllow,
};
let iv6 = IPv6Validator {
port: ValidatorOption::Allow,
local: $local,
ipv4: ValidatorOption::NotAllow,
};
HostValidator {
domain: Some(dv),
ipv4: Some(iv4),
ipv6: Some(iv6)
}
}
}
impl $name {
pub fn get_full_host(&self) -> &str {
match &self.0 {
Host::Domain(d) => d.get_full_domain(),
Host::IPv4(d) => d.get_full_ipv4(),
Host::IPv6(d) => d.get_full_ipv6()
}
}
pub fn get_full_host_without_port(&self) -> &str {
match &self.0 {
Host::Domain(d) => d.get_full_domain_without_port(),
Host::IPv4(d) => d.get_full_ipv4_without_port(),
Host::IPv6(d) => d.get_full_ipv6_without_port()
}
}
}
#[cfg(feature = "rocketly")]
impl<'a> ::rocket::request::FromFormValue<'a> for $name {
type Error = HostError;
fn from_form_value(form_value: &'a ::rocket::http::RawStr) -> Result<Self, Self::Error> {
$name::from_string(form_value.url_decode().map_err(|err| HostError::UTF8Error(err))?)
}
}
#[cfg(feature = "rocketly")]
impl<'a> ::rocket::request::FromParam<'a> for $name {
type Error = HostError;
fn from_param(param: &'a ::rocket::http::RawStr) -> Result<Self, Self::Error> {
$name::from_string(param.url_decode().map_err(|err| HostError::UTF8Error(err))?)
}
}
#[cfg(feature = "serdely")]
impl<'de> ::serde::Deserialize<'de> for $name {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: ::serde::Deserializer<'de> {
struct StringVisitor;
impl<'de> ::serde::de::Visitor<'de> for StringVisitor {
type Value = $name;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
formatter.write_fmt(format_args!("a host({:?}) string", $name::create_validator()))
}
fn visit_str<E>(self, v: &str) -> Result<Self::Value, E> where E: ::serde::de::Error {
$name::from_str(v).map_err(|err| {
E::custom(err.to_string())
})
}
fn visit_string<E>(self, v: String) -> Result<Self::Value, E> where E: ::serde::de::Error {
$name::from_string(v).map_err(|err| {
E::custom(err.to_string())
})
}
}
deserializer.deserialize_string(StringVisitor)
}
}
#[cfg(feature = "serdely")]
impl ::serde::Serialize for $name {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: ::serde::Serializer {
serializer.serialize_str(self.get_full_host())
}
}
};
}
extend!(HostLocalable, ValidatorOption::Allow);
impl HostLocalable {
pub fn is_local(&self) -> bool {
match &self.0 {
Host::Domain(d) => d.is_localhost(),
Host::IPv4(d) => d.is_local(),
Host::IPv6(d) => d.is_local()
}
}
pub fn get_port(&self) -> Option<u16> {
match &self.0 {
Host::Domain(d) => d.get_port(),
Host::IPv4(d) => d.get_port(),
Host::IPv6(d) => d.get_port()
}
}
}
extend!(HostUnlocalable, ValidatorOption::NotAllow);
impl HostUnlocalable {}