From e4ad766315879e1ff05bb111229f073f8f0ed68e Mon Sep 17 00:00:00 2001
From: Andreas Grois <andi@grois.info>
Date: Mon, 10 Oct 2022 21:30:02 +0200
Subject: PassFish: Initial Commit

Well, that's a lie. But nobody needs to see all the iterations I decided
to sweep under the rug.
That said, I think the repo is, while not clean, clean enough now, to
not be embarrassed by uploading it to github.
---
 .../passwordmaker/helperthread/mod.rs              | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 rust/src/implementation/passwordmaker/helperthread/mod.rs

(limited to 'rust/src/implementation/passwordmaker/helperthread/mod.rs')

diff --git a/rust/src/implementation/passwordmaker/helperthread/mod.rs b/rust/src/implementation/passwordmaker/helperthread/mod.rs
new file mode 100644
index 0000000..7e3b587
--- /dev/null
+++ b/rust/src/implementation/passwordmaker/helperthread/mod.rs
@@ -0,0 +1,49 @@
+mod message_parsing;
+mod hashers;
+mod profile_to_domain;
+use std::sync::mpsc::{Receiver, SendError};
+use passwordmaker_rs::PasswordMaker;
+use profile_to_domain::{convert_hash_algorithm, convert_leet};
+use super::emittingsender::EmittingSender;
+use super::thread_messages::{HelperToUi, UiToHelper};
+use message_parsing::receive_and_get_newest_or_important_command;
+use hashers::PassFishHashers;
+
+pub(super) fn run<T: Fn()>(to_ui : &EmittingSender<HelperToUi, T>, from_ui : &Receiver<UiToHelper>) -> Result<(), SendError<HelperToUi>>{
+    println!("Helper Thread starting up.");
+
+    while let Ok(m) = receive_and_get_newest_or_important_command(from_ui)
+    {
+        //m is a product type, because we gather the latest command of each type. Easiest to deal with those would be using a group of ifs.
+        //for now the number of alternatives is rather small though, so let's match instead.
+        match m.0 {
+            UiToHelper::Shutdown => break,
+            UiToHelper::GeneratePassword(task) => {
+                
+                to_ui.send(HelperToUi::GenerationStarted)?;
+                let hash_algorithm = convert_hash_algorithm(&task.generation_settings.hash_algorithm);
+                let use_leet = convert_leet(&task.generation_settings.leet);
+                let characters = &task.generation_settings.characters;
+                let username = &task.generation_settings.username;
+                let modifier = &task.generation_settings.modifier;
+                let password_length = task.generation_settings.password_length as usize;
+                let suffix = &task.generation_settings.suffix;
+                let prefix = &task.generation_settings.prefix;
+                type Pwm<'a> = PasswordMaker<'a, PassFishHashers>;
+                let pwm = Pwm::new(hash_algorithm, use_leet, characters, username, modifier, password_length, prefix, suffix);
+                let input = task.input;
+                let master_password = task.master_password;
+                let pwm = pwm.map_err(Into::into);
+                let password = 
+                    pwm.and_then(|pwm| pwm.generate(input, master_password).map_err(Into::into));
+
+                match password {
+                    Ok(password) => to_ui.send(HelperToUi::Generated{password})?,
+                    Err(error) => to_ui.send(HelperToUi::GenerationFailed{ error })?,
+                }
+            }
+        }
+    }
+    println!("Helper Thread shutting down.");
+    Ok(())
+}
-- 
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