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feat(auth): check if X-Matrix destination is correct if present

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Matthias Ahouansou 2024-05-02 07:14:44 +01:00
parent b4a60c3f9a
commit 63ba157ef6
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1 changed files with 13 additions and 0 deletions
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13
src/api/ruma_wrapper/axum.rs
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@ -175,6 +175,15 @@ where
Error::BadRequest(ErrorKind::Forbidden, msg)
})?;
if let Some(dest) = x_matrix.destination {
if dest != services().globals.server_name() {
return Err(Error::BadRequest(
ErrorKind::Unauthorized,
"X-Matrix destination field does not match server name.",
));
}
};
let origin_signatures = BTreeMap::from_iter([(
x_matrix.key.clone(),
CanonicalJsonValue::String(x_matrix.sig),
@ -332,6 +341,7 @@ where
}
struct XMatrix {
destination: Option<OwnedServerName>,
origin: OwnedServerName,
key: String, // KeyName?
sig: String,
@ -353,6 +363,7 @@ impl Credentials for XMatrix {
let mut origin = None;
let mut key = None;
let mut sig = None;
let mut destination = None;
for entry in parameters.split_terminator(',') {
let (name, value) = entry.split_once('=')?;
@ -369,6 +380,7 @@ impl Credentials for XMatrix {
"origin" => origin = Some(value.try_into().ok()?),
"key" => key = Some(value.to_owned()),
"sig" => sig = Some(value.to_owned()),
"destination" => destination = Some(value.try_into().ok()?),
_ => debug!(
"Unexpected field `{}` in X-Matrix Authorization header",
name
@ -377,6 +389,7 @@ impl Credentials for XMatrix {
}
Some(Self {
destination,
origin: origin?,
key: key?,
sig: sig?,