From cc9089388f6d032de8b928d348f86d54fdd6950c Mon Sep 17 00:00:00 2001
From: Brandon Thomas <echelon@gmail.com>
Date: Wed, 29 Oct 2025 04:32:28 -0400
Subject: [PATCH] parse email address from index

---
 .../grok_client/src/datatypes/mod.rs          |  1 +
 .../grok_client/src/datatypes/user_email.rs   |  3 ++
 .../requests/index_page/parsers/index/mod.rs  |  1 +
 .../parsers/index/parse_index_user_email.rs   | 51 +++++++++++++++++++
 4 files changed, 56 insertions(+)
 create mode 100644 crates/api_clients/grok_client/src/datatypes/user_email.rs
 create mode 100644 crates/api_clients/grok_client/src/requests/index_page/parsers/index/parse_index_user_email.rs

diff --git a/crates/api_clients/grok_client/src/datatypes/mod.rs b/crates/api_clients/grok_client/src/datatypes/mod.rs
index 00a22af064..74b7f3526d 100644
--- a/crates/api_clients/grok_client/src/datatypes/mod.rs
+++ b/crates/api_clients/grok_client/src/datatypes/mod.rs
@@ -1,3 +1,4 @@
 pub mod file_id;
 pub mod file_upload_spec;
+pub mod user_email;
 pub mod user_id;
diff --git a/crates/api_clients/grok_client/src/datatypes/user_email.rs b/crates/api_clients/grok_client/src/datatypes/user_email.rs
new file mode 100644
index 0000000000..8524151d88
--- /dev/null
+++ b/crates/api_clients/grok_client/src/datatypes/user_email.rs
@@ -0,0 +1,3 @@
+/// Type for User Emails
+#[derive(Clone, Debug)]
+pub struct UserEmail(pub String);
diff --git a/crates/api_clients/grok_client/src/requests/index_page/parsers/index/mod.rs b/crates/api_clients/grok_client/src/requests/index_page/parsers/index/mod.rs
index 998219a627..b773c91773 100644
--- a/crates/api_clients/grok_client/src/requests/index_page/parsers/index/mod.rs
+++ b/crates/api_clients/grok_client/src/requests/index_page/parsers/index/mod.rs
@@ -5,3 +5,4 @@ pub mod parse_index_sentry_trace;
 pub mod parse_index_svg_paths;
 pub mod parse_index_verification_token;
 mod parse_index_user_id;
+mod parse_index_user_email;
diff --git a/crates/api_clients/grok_client/src/requests/index_page/parsers/index/parse_index_user_email.rs b/crates/api_clients/grok_client/src/requests/index_page/parsers/index/parse_index_user_email.rs
new file mode 100644
index 0000000000..f4448fcce6
--- /dev/null
+++ b/crates/api_clients/grok_client/src/requests/index_page/parsers/index/parse_index_user_email.rs
@@ -0,0 +1,51 @@
+use crate::datatypes::user_id::UserId;
+use once_cell::sync::Lazy;
+use regex::Regex;
+use crate::datatypes::user_email::UserEmail;
+
+/// Find the user email in the index.html payload
+/// eg.
+static JSON_REGEX: Lazy<Regex> = Lazy::new(|| {
+  Regex::new(r#"\\?"email\\?":\s*\\?"([^"\\]+)\\?",?"#)
+      .expect("Regex should parse")
+});
+
+/// Parse the user email from the index.html
+pub fn parse_index_user_email(html: &str) -> Option<UserEmail> {
+  let maybe_meta = scrape_user_email_via_regex(html);
+
+  if let Some(meta) = maybe_meta {
+    return Some(UserEmail(meta))
+  }
+
+  None
+}
+
+fn scrape_user_email_via_regex(html: &str) -> Option<String> {
+  let captures = JSON_REGEX.captures(html)?;
+  let capture = captures.get(1)?;
+  Some(capture.as_str().to_string())
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::requests::index_page::get_index_page::{get_index, GetIndexPageArgs};
+  use crate::requests::index_page::parsers::index::parse_index_user_email::parse_index_user_email;
+  use crate::test_utils::get_test_cookies::get_test_cookies;
+  use errors::AnyhowResult;
+
+  #[tokio::test]
+  #[ignore] // Manual test invocation
+  async fn test() -> AnyhowResult<()> {
+    let cookie = get_test_cookies()?;
+    let index = get_index(GetIndexPageArgs {
+      cookie: &cookie,
+    }).await?;
+
+    let user_email = parse_index_user_email(&index.body);
+    println!("User Email : {:?}", user_email);
+
+    assert_eq!(1, 2);
+    Ok(())
+  }
+}