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use crate::{DecodeRsaPublicKey, EncodeRsaPublicKey, Error, Result, RsaPublicKey};
use alloc::vec::Vec;
use core::fmt;
use der::{Decodable, Document, Encodable};
#[cfg(feature = "pem")]
use {
crate::{pem, LineEnding},
alloc::string::String,
core::str::FromStr,
};
#[cfg(feature = "std")]
use std::path::Path;
#[derive(Clone)]
#[cfg_attr(docsrs, doc(cfg(feature = "alloc")))]
pub struct RsaPublicKeyDocument(Vec<u8>);
impl<'a> Document<'a> for RsaPublicKeyDocument {
type Message = RsaPublicKey<'a>;
const SENSITIVE: bool = false;
}
impl DecodeRsaPublicKey for RsaPublicKeyDocument {
fn from_pkcs1_der(bytes: &[u8]) -> Result<Self> {
Ok(Self::from_der(bytes)?)
}
#[cfg(feature = "pem")]
#[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
fn from_pkcs1_pem(s: &str) -> Result<Self> {
Ok(Self::from_pem(s)?)
}
#[cfg(feature = "std")]
#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
fn read_pkcs1_der_file(path: impl AsRef<Path>) -> Result<Self> {
Ok(Self::read_der_file(path)?)
}
#[cfg(all(feature = "pem", feature = "std"))]
#[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
fn read_pkcs1_pem_file(path: impl AsRef<Path>) -> Result<Self> {
Ok(Self::read_pem_file(path)?)
}
}
impl EncodeRsaPublicKey for RsaPublicKeyDocument {
fn to_pkcs1_der(&self) -> Result<RsaPublicKeyDocument> {
Ok(self.clone())
}
#[cfg(feature = "pem")]
#[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
fn to_pkcs1_pem(&self, line_ending: LineEnding) -> Result<String> {
Ok(self.to_pem(line_ending)?)
}
#[cfg(feature = "std")]
#[cfg_attr(docsrs, doc(cfg(feature = "std")))]
fn write_pkcs1_der_file(&self, path: impl AsRef<Path>) -> Result<()> {
Ok(self.write_der_file(path)?)
}
#[cfg(all(feature = "pem", feature = "std"))]
#[cfg_attr(docsrs, doc(cfg(all(feature = "pem", feature = "std"))))]
fn write_pkcs1_pem_file(&self, path: impl AsRef<Path>, line_ending: LineEnding) -> Result<()> {
Ok(self.write_pem_file(path, line_ending)?)
}
}
impl AsRef<[u8]> for RsaPublicKeyDocument {
fn as_ref(&self) -> &[u8] {
self.0.as_ref()
}
}
impl TryFrom<&[u8]> for RsaPublicKeyDocument {
type Error = Error;
fn try_from(bytes: &[u8]) -> Result<Self> {
Ok(Self::from_der(bytes)?)
}
}
impl TryFrom<RsaPublicKey<'_>> for RsaPublicKeyDocument {
type Error = Error;
fn try_from(public_key: RsaPublicKey<'_>) -> Result<RsaPublicKeyDocument> {
RsaPublicKeyDocument::try_from(&public_key)
}
}
impl TryFrom<&RsaPublicKey<'_>> for RsaPublicKeyDocument {
type Error = Error;
fn try_from(public_key: &RsaPublicKey<'_>) -> Result<RsaPublicKeyDocument> {
Ok(public_key.to_vec()?.try_into()?)
}
}
impl TryFrom<Vec<u8>> for RsaPublicKeyDocument {
type Error = der::Error;
fn try_from(bytes: Vec<u8>) -> der::Result<Self> {
RsaPublicKey::from_der(bytes.as_slice())?;
Ok(Self(bytes))
}
}
impl fmt::Debug for RsaPublicKeyDocument {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt.debug_tuple("RsaPublicKeyDocument")
.field(&self.decode())
.finish()
}
}
#[cfg(feature = "pem")]
#[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
impl FromStr for RsaPublicKeyDocument {
type Err = Error;
fn from_str(s: &str) -> Result<Self> {
Self::from_pkcs1_pem(s)
}
}
#[cfg(feature = "pem")]
#[cfg_attr(docsrs, doc(cfg(feature = "pem")))]
impl pem::PemLabel for RsaPublicKeyDocument {
const TYPE_LABEL: &'static str = "RSA PUBLIC KEY";
}