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Allow auth server to fallback to password auth.

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The authorisation server can now reply with 204 (no content)
in order to request that the client should continue with password
authentication.
This commit is contained in:
Juliusz Chroboczek 2022-08-02 18:12:17 +02:00
parent 3bdd82f06d
commit d69c517137
2 changed files with 14 additions and 4 deletions
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11
README.PROTOCOL
View file

@ -389,10 +389,15 @@ a JSON dictionary of the following form:
"password": password
}
```
If the user is not allowed to join the group, then the authorisation
server replies with a code of 403 ("not authorised"). If the user is
allowed to join, then the authorisation server replies with a signed JWT
(a "JWS") the body of which has the following form:
server replies with a code of 403 ("not authorised"), and Galene will
reject the user. If the authentication server has no opinion about
whether the user is allowed to join, it replies with a code of 204 ("no
content"), and Galene will proceed with ordinary password authorisation.
If the user is allowed to join, then the authorisation server replies with
a signed JWT (a "JWS") the body of which has the following form:
```javascript
{
"sub": username,

7
static/protocol.js
View file

@ -477,7 +477,12 @@ ServerConnection.prototype.join = async function(group, username, credentials, d
throw new Error(
`The authorisation server said: ${r.status} ${r.statusText}`,
);
m.token = await r.text();
let data = await r.text();
if(!data)
// empty data, continue with password auth
m.password = credentials.password;
else
m.token = data;
break;
default:
throw new Error(`Unknown credentials type ${credentials.type}`);