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From: Mira Limbeck <m.limbeck@proxmox.com>
To: pve-devel@lists.proxmox.com
Date: Thu, 31 Mar 2022 15:33:50 +0200
Message-Id: <20220331133350.1098680-1-m.limbeck@proxmox.com>
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Subject: [pve-devel] [PATCH proxmox-openid-rs] fix Open ID with Azure as
 provider
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Azure doesn't accept `Transfer-Encoding: chunked` on their token endpoint,
but with the switch to ureq we always send requests with this set.

Fix by switching to `Content-Length` in the header instead. ureq only
sets `Transfer-Encoding: chunked` when the body length is not known
beforehand, which is the case when using `send`. See 
https://github.com/algesten/ureq/blob/main/README.md#content-length-and-transfer-encoding

See https://forum.proxmox.com/threads/openid-401-with-azure-ad.105892/
for the issue.

Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
---
probably also fixes https://bugzilla.proxmox.com/show_bug.cgi?id=3916,
but I could only reproduce this exact error message with Azure until
now.

 src/http_client.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/http_client.rs b/src/http_client.rs
index a2bf6ee..7e63275 100644
--- a/src/http_client.rs
+++ b/src/http_client.rs
@@ -75,7 +75,8 @@ pub fn http_client(request: HttpRequest) -> Result<HttpResponse, Error> {
     }
 
     let response = if let Method::POST = request.method {
-        req.send(&*request.body)
+        let bytes = request.body.as_slice();
+        req.send_bytes(bytes)
     } else {
         req.call()
     }
-- 
2.30.2