ban slurs from being said

db/banned_slurs.txt

@@ -0,0 +1,8 @@
+# This file serves to remove racial slurs and epithets from usage with vocodes.
+# There's probably more than this that we'll want to remove.
+# I need to investigate.
+fag
+faggot
+fags
+nigger
+niggers

src/buckets/bucket_path_unifier.rs

@@ -192,7 +192,7 @@ mod tests {
   fn test_tts_synthesizer_path() {
     let paths = get_instance();
     assert_eq!(paths.tts_synthesizer_path("foobar").to_str().unwrap(),
-      "/test_path_synthesizers/f/o/o/foobar.pth");
+      "/test_path_synthesizers/f/o/o/foobar.pt");
   }
 
   #[test]

src/http_server/endpoints/tts/enqueue_infer_tts.rs

@@ -19,6 +19,7 @@ use sqlx::error::DatabaseError;
 use sqlx::error::Error::Database;
 use sqlx::mysql::MySqlDatabaseError;
 use std::sync::Arc;
+use crate::validations::check_for_slurs::contains_slurs;
 
 const NEW_USER_ROLE: &'static str = "new-user";
 
@@ -102,6 +103,10 @@ pub async fn infer_tts_handler(
     return Err(InferTtsError::BadInput(reason));
   }
 
+  if contains_slurs(&inference_text) {
+    return Err(InferTtsError::BadInput("text contains slurs".to_string()));
+  }
+
   // TODO(bt): CHECK DATABASE!
   let model_token = request.tts_model_token.to_string();
 

src/main.rs

@@ -10,6 +10,7 @@
 
 pub const RESERVED_USERNAMES : &'static str = include_str!("../db/reserved_usernames.txt");
 pub const RESERVED_SUBSTRINGS : &'static str = include_str!("../db/reserved_usernames_including.txt");
+pub const BANNED_SLURS : &'static str = include_str!("../db/banned_slurs.txt");
 
 pub mod buckets;
 pub mod common_queries;

src/validations/check_for_slurs.rs

@@ -0,0 +1,39 @@
+use std::collections::HashSet;
+use crate::BANNED_SLURS;
+
+pub fn contains_slurs(unparsed_text: &str) -> bool {
+  lazy_static! {
+    static ref BANNED_SLURS_SET : HashSet<String> = BANNED_SLURS.lines()
+      .map(|line| line.trim())
+      .filter(|line| !(line.starts_with("#") || line.is_empty()))
+      .map(|line| line.to_string())
+      .collect::<HashSet<String>>();
+  }
+
+  for wordlike in unparsed_text.split_ascii_whitespace() {
+    if BANNED_SLURS_SET.contains(wordlike) {
+      return true;
+    }
+  }
+
+  false
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::validations::check_for_slurs::contains_slurs;
+
+  #[test]
+  fn valid_text_passes() {
+    assert_eq!(contains_slurs(""), false);
+    assert_eq!(contains_slurs("this is a test."), false);
+    assert_eq!(contains_slurs("this\nis\na\ntest\n\n"), false);
+    assert_eq!(contains_slurs("    this    is    a       test"), false);
+  }
+
+  #[test]
+  fn text_with_slurs_fails() {
+    assert_eq!(contains_slurs("a sentence containing fag is banned"), true);
+    assert_eq!(contains_slurs("a\nsentence\ncontaining fags\nis banned"), true);
+  }
+}

src/validations/mod.rs

@@ -1,3 +1,4 @@
+pub mod check_for_slurs;
 pub mod model_uploads;
 pub mod passwords;
 pub mod username;