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digest_auth_rs
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format code, version bump

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Ondřej Hruška 5 years ago
parent 891c7a183d
commit abda2133bf
Signed by untrusted user: MightyPork
GPG Key ID: 2C5FD5035250423D
2 changed files with 90 additions and 69 deletions
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  1. 2
      Cargo.toml
  2. 105
      src/digest.rs

2
Cargo.toml
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@ -1,6 +1,6 @@
[package]
name = "digest_auth"
version = "0.2.0"
version = "0.2.1"
authors = ["Ondřej Hruška <ondra@ondrovo.com>"]
edition = "2018"
description = "Implementation of the Digest Auth algorithm as defined in IETF RFC 2069, 2617, and 7616, intended for HTTP clients"

105
src/digest.rs
Unescape View File

@ -41,7 +41,7 @@ fn join_vec<T : ToString>(vec : &Vec<T>, sep : &str) -> String {
enum NamedTag<'a> {
Quoted(&'a str, Cow<'a, str>),
Plain(&'a str, Cow<'a, str>)
Plain(&'a str, Cow<'a, str>),
}
impl Display for NamedTag<'_> {
@ -50,13 +50,10 @@ impl Display for NamedTag<'_> {
NamedTag::Quoted(name, content) => {
write!(f, "{}=\"{}\"", name, content.quote_for_digest())
}
NamedTag::Plain(name, content) => {
write!(f, "{}={}", name, content)
NamedTag::Plain(name, content) => write!(f, "{}={}", name, content),
}
}
}
}
/// Helper func that parses the key-value string received from server
fn parse_header_map(input: &str) -> Result<HashMap<String, String>> {
@ -148,7 +145,6 @@ fn parse_header_map(input: &str) -> Result<HashMap<String, String>> {
Ok(parsed)
}
/// Login attempt context
///
/// All fields are borrowed to reduce runtime overhead; this struct should not be stored anywhere,
@ -174,22 +170,25 @@ impl<'a> AuthContext<'a> {
/// Construct a new context with the GET verb and no payload body.
/// See the other constructors if this does not fit your situation.
pub fn new<UN, PW, UR>(username: UN, password: PW, uri: UR) -> Self
where UN: Into<Cow<'a, str>>,
where
UN: Into<Cow<'a, str>>,
PW: Into<Cow<'a, str>>,
UR: Into<Cow<'a, str>>
UR: Into<Cow<'a, str>>,
{
Self::new_with_method(username, password, uri, Option::<&'a[u8]>::None, HttpMethod::GET)
Self::new_with_method(
username,
password,
uri,
Option::<&'a [u8]>::None,
HttpMethod::GET,
)
}
/// Construct a new context with the POST verb and a payload body (may be None).
/// See the other constructors if this does not fit your situation.
pub fn new_post<UN, PW, UR, BD>(
username: UN,
password: PW,
uri: UR,
body: Option<BD>,
) -> Self
where UN: Into<Cow<'a, str>>,
pub fn new_post<UN, PW, UR, BD>(username: UN, password: PW, uri: UR, body: Option<BD>) -> Self
where
UN: Into<Cow<'a, str>>,
PW: Into<Cow<'a, str>>,
UR: Into<Cow<'a, str>>,
BD: Into<Cow<'a, [u8]>>,
@ -205,10 +204,11 @@ impl<'a> AuthContext<'a> {
body: Option<BD>,
method: HttpMethod,
) -> Self
where UN: Into<Cow<'a, str>>,
where
UN: Into<Cow<'a, str>>,
PW: Into<Cow<'a, str>>,
UR: Into<Cow<'a, str>>,
BD: Into<Cow<'a, [u8]>>
BD: Into<Cow<'a, [u8]>>,
{
Self {
username: username.into(),
@ -223,7 +223,7 @@ impl<'a> AuthContext<'a> {
/// Set cnonce to the given value
pub fn set_custom_cnonce<CN>(&mut self, cnonce: CN)
where
CN: Into<Cow<'a, str>>
CN: Into<Cow<'a, str>>,
{
self.cnonce = Some(cnonce.into());
}
@ -269,10 +269,7 @@ impl FromStr for WwwAuthenticateHeader {
impl WwwAuthenticateHeader {
/// Generate an [`AuthorizationHeader`](struct.AuthorizationHeader.html) to be sent to the server in a new request.
/// The [`self.nc`](struct.AuthorizationHeader.html#structfield.nc) field is incremented.
pub fn respond(
&mut self,
secrets: &AuthContext,
) -> Result<AuthorizationHeader> {
pub fn respond(&mut self, secrets: &AuthContext) -> Result<AuthorizationHeader> {
AuthorizationHeader::from_prompt(self, secrets)
}
@ -357,7 +354,10 @@ impl Display for WwwAuthenticateHeader {
entries.push(NamedTag::Plain("stale", "true".into()));
}
entries.push(NamedTag::Plain("algorithm", self.algorithm.to_string().into()));
entries.push(NamedTag::Plain(
"algorithm",
self.algorithm.to_string().into(),
));
entries.push(NamedTag::Quoted("nonce", (&self.nonce).into()));
if let Some(ref opaque) = self.opaque {
entries.push(NamedTag::Quoted("opaque", (opaque).into()));
@ -369,7 +369,9 @@ impl Display for WwwAuthenticateHeader {
}
for (i, e) in entries.iter().enumerate() {
if i > 0 { f.write_str(", ")?; }
if i > 0 {
f.write_str(", ")?;
}
f.write_str(&e.to_string())?;
}
@ -428,7 +430,6 @@ impl AuthorizationHeader {
prompt: &mut WwwAuthenticateHeader,
context: &AuthContext,
) -> Result<AuthorizationHeader> {
let qop = match &prompt.qop {
None => None,
Some(vec) => {
@ -457,7 +458,11 @@ impl AuthorizationHeader {
username: String::default(),
uri: context.uri.as_ref().into(),
qop,
cnonce: context.cnonce.as_ref().map(AsRef::as_ref).map(ToOwned::to_owned), // Will be generated if needed, if build_hash is set and this is None
cnonce: context
.cnonce
.as_ref()
.map(AsRef::as_ref)
.map(ToOwned::to_owned), // Will be generated if needed, if build_hash is set and this is None
nc: prompt.nc,
};
@ -479,8 +484,7 @@ impl AuthorizationHeader {
/// - cnonce (if it was None before)
/// - username copied from context
/// - response
pub fn digest(&mut self, context : &AuthContext)
{
pub fn digest(&mut self, context: &AuthContext) {
// figure out which QOP option to use
let qop_algo = match self.qop {
None => QopAlgo::NONE,
@ -492,9 +496,7 @@ impl AuthorizationHeader {
QopAlgo::AUTH
}
}
Some(Qop::AUTH) => {
QopAlgo::AUTH
}
Some(Qop::AUTH) => QopAlgo::AUTH,
};
let h = &self.algorithm;
@ -653,7 +655,7 @@ impl AuthorizationHeader {
if auth.qop.is_some() {
if !auth.cnonce.is_some() {
return Err(MissingRequired("cnonce", input.into()))
return Err(MissingRequired("cnonce", input.into()));
}
} else {
// cnonce must not be set if qop is not given, clear it.
@ -676,9 +678,15 @@ impl Display for AuthorizationHeader {
entries.push(NamedTag::Quoted("uri", (&self.uri).into()));
if self.qop.is_some() && self.cnonce.is_some() {
entries.push(NamedTag::Plain("qop", self.qop.as_ref().unwrap().to_string().into()));
entries.push(NamedTag::Plain(
"qop",
self.qop.as_ref().unwrap().to_string().into(),
));
entries.push(NamedTag::Plain("nc", format!("{:08x}", self.nc).into()));
entries.push(NamedTag::Quoted("cnonce", self.cnonce.as_ref().unwrap().into()));
entries.push(NamedTag::Quoted(
"cnonce",
self.cnonce.as_ref().unwrap().into(),
));
}
entries.push(NamedTag::Quoted("response", (&self.response).into()));
@ -689,7 +697,10 @@ impl Display for AuthorizationHeader {
// algorithm can be omitted if it is the default value (or in legacy compat mode)
if self.qop.is_some() || self.algorithm.algo != AlgorithmType::MD5 {
entries.push(NamedTag::Plain("algorithm", self.algorithm.to_string().into()));
entries.push(NamedTag::Plain(
"algorithm",
self.algorithm.to_string().into(),
));
}
if self.userhash {
@ -697,7 +708,9 @@ impl Display for AuthorizationHeader {
}
for (i, e) in entries.iter().enumerate() {
if i > 0 { f.write_str(", ")?; }
if i > 0 {
f.write_str(", ")?;
}
f.write_str(&e.to_string())?;
}
@ -756,8 +769,7 @@ mod tests {
}
#[test]
fn test_parse_header_map2()
{
fn test_parse_header_map2() {
let src = r#"realm="api@example.org""#;
let map = parse_header_map(src).unwrap();
assert_eq!(map.get("realm").unwrap(), "api@example.org");
@ -843,7 +855,10 @@ r#"Digest realm="api@example.org",
nonce="5TsQWLVdgBdmrQ0XsxbDODV+57QdFR34I9HAbC/RVvkK",
opaque="HRPCssKJSGjCrkzDg8OhwpzCiGPChXYjwrI2QmXDnsOS",
charset=UTF-8,
userhash=true"#.replace(",\n ", ", "), hdr.to_string());
userhash=true"#
.replace(",\n ", ", "),
hdr.to_string()
);
hdr.stale = true;
hdr.userhash = false;
@ -856,7 +871,10 @@ r#"Digest realm="api@example.org",
stale=true,
algorithm=SHA-512-256,
nonce="5TsQWLVdgBdmrQ0XsxbDODV+57QdFR34I9HAbC/RVvkK",
charset=UTF-8"#.replace(",\n ", ", "), hdr.to_string());
charset=UTF-8"#
.replace(",\n ", ", "),
hdr.to_string()
);
hdr.qop = Some(vec![Qop::AUTH, Qop::AUTH_INT]);
@ -867,7 +885,10 @@ r#"Digest realm="api@example.org",
stale=true,
algorithm=SHA-512-256,
nonce="5TsQWLVdgBdmrQ0XsxbDODV+57QdFR34I9HAbC/RVvkK",
charset=UTF-8"#.replace(",\n ", ", "), hdr.to_string());
charset=UTF-8"#
.replace(",\n ", ", "),
hdr.to_string()
);
}
#[test]

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