feat: re-added captcha checks (#3289)

[lemmy.git] / crates / api / src / lib.rs

diff --git a/crates/api/src/lib.rs b/crates/api/src/lib.rs
index 9ff1677d0ed4950e5e28f81473b10661a9b892eb..615a8a3144fdea49e8d7bca4388a79c8c05acd23 100644 (file)
--- a/crates/api/src/lib.rs
+++ b/crates/api/src/lib.rs
@@ -1,4 +1,5 @@
 use actix_web::web::Data;
+use captcha::Captcha;
 use lemmy_api_common::{context::LemmyContext, utils::local_site_to_slur_regex};
 use lemmy_db_schema::source::local_site::LocalSite;
 use lemmy_utils::{error::LemmyError, utils::slurs::check_slurs};
@@ -20,6 +21,21 @@ pub trait Perform {
   async fn perform(&self, context: &Data<LemmyContext>) -> Result<Self::Response, LemmyError>;
 }
 
+/// Converts the captcha to a base64 encoded wav audio file
+pub(crate) fn captcha_as_wav_base64(captcha: &Captcha) -> String {
+  let letters = captcha.as_wav();
+
+  let mut concat_letters: Vec<u8> = Vec::new();
+
+  for letter in letters {
+    let bytes = letter.unwrap_or_default();
+    concat_letters.extend(bytes);
+  }
+
+  // Convert to base64
+  base64::encode(concat_letters)
+}
+
 /// Check size of report and remove whitespace
 pub(crate) fn check_report_reason(reason: &str, local_site: &LocalSite) -> Result<(), LemmyError> {
   let slur_regex = &local_site_to_slur_regex(local_site);