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BREAKING CHANGE(smtp-client): Replace the legacy TypeScript SMTP client with a new Rust-based SMTP client and IPC bridge for outbound delivery

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This commit is contained in:
Jürgen Kunz
2026-02-11 07:17:05 +00:00
parent fc4877e06b
commit 27bab5f345
50 changed files with 2268 additions and 6737 deletions
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18
rust/crates/mailer-security/src/content_scanner.rs
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@@ -111,16 +111,18 @@ static MACRO_DOCUMENT_EXTENSIONS: LazyLock<Vec<&'static str>> = LazyLock::new(||
// HTML helpers
// ---------------------------------------------------------------------------
/// Regexes for HTML text extraction (compiled once via LazyLock).
static HTML_STYLE_RE: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"(?is)<style[^>]*>.*?</style>").unwrap());
static HTML_SCRIPT_RE: LazyLock<Regex> =
LazyLock::new(|| Regex::new(r"(?is)<script[^>]*>.*?</script>").unwrap());
static HTML_TAG_RE: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"<[^>]+>").unwrap());
/// Strip HTML tags and decode common entities to produce plain text.
fn extract_text_from_html(html: &str) -> String {
// Remove style and script blocks first
let no_style = Regex::new(r"(?is)<style[^>]*>.*?</style>").unwrap();
let no_script = Regex::new(r"(?is)<script[^>]*>.*?</script>").unwrap();
let no_tags = Regex::new(r"<[^>]+>").unwrap();
let text = no_style.replace_all(html, " ");
let text = no_script.replace_all(&text, " ");
let text = no_tags.replace_all(&text, " ");
let text = HTML_STYLE_RE.replace_all(html, " ");
let text = HTML_SCRIPT_RE.replace_all(&text, " ");
let text = HTML_TAG_RE.replace_all(&text, " ");
text.replace("&nbsp;", " ")
.replace("&lt;", "<")