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fix(examples/gmail): forcefully wait for server greeting before auth #119

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fix(examples/gmail): forcefully wait for server greeting before auth #119

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9 changes: 9 additions & 0 deletions examples/src/bin/gmail_oauth2.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,15 @@ async fn main() -> Result<()> {
let tls_stream = tls.connect(domain, tcp_stream).await?;
let client = async_imap::Client::new(tls_stream);

// Gmail's IMAP server will send a server greeting before taking in any message
// Here, we forcefully wait and read a line before sending authentication data
//
// See #84
let _greeting = client
.read_response()
.await?
.expect("unexpected end of stream, expected greeting");

let mut imap_session = match client.authenticate("XOAUTH2", &gmail_auth).await {
Ok(c) => c,
Err((e, _unauth_client)) => {
Expand Down