From dc3917b05018cb32e2451d9eaed242036c5e7512 Mon Sep 17 00:00:00 2001
From: bigfoot547 <bigfoot@figboot.dev>
Date: Tue, 28 Jan 2025 21:23:07 -0600
Subject: wip: auth

---
 src/auth/device_code.rs | 103 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 src/auth/device_code.rs

(limited to 'src/auth/device_code.rs')

diff --git a/src/auth/device_code.rs b/src/auth/device_code.rs
new file mode 100644
index 0000000..087ff27
--- /dev/null
+++ b/src/auth/device_code.rs
@@ -0,0 +1,103 @@
+use std::ops::Add;
+use std::time::Duration;
+use futures::TryFutureExt;
+use reqwest::Client;
+use serde::{Deserialize, Serialize};
+use tokio::time::{Instant, MissedTickBehavior};
+use super::AuthError;
+use crate::util::USER_AGENT;
+
+pub struct DeviceCodeAuthBuilder {
+    client_id: Option<String>,
+    scope: Option<String>,
+    url: Option<String>
+}
+
+#[derive(Serialize, Debug)]
+struct DeviceCodeRequest {
+    client_id: String,
+    scope: String,
+    response_type: String
+}
+
+#[derive(Deserialize, Debug)]
+struct DeviceCodeResponse {
+    device_code: String,
+    user_code: String,
+    verification_uri: String,
+    expires_in: u64,
+    interval: u64,
+    message: Option<String>
+}
+
+impl DeviceCodeAuthBuilder {
+    pub fn new() -> DeviceCodeAuthBuilder {
+        DeviceCodeAuthBuilder {
+            client_id: None,
+            scope: None,
+            url: None
+        }
+    }
+
+    pub fn client_id(mut self, client_id: &str) -> Self {
+        self.client_id = Some(client_id.to_owned());
+        self
+    }
+
+    pub fn scope(mut self, scope: &str) -> Self {
+        self.scope = Some(scope.to_owned());
+        self
+    }
+
+    pub fn url(mut self, url: &str) -> Self {
+        self.url = Some(url.to_owned());
+        self
+    }
+
+    pub async fn begin(self, client: Client) -> Result<DeviceCodeAuth, AuthError> {
+        let scope = self.scope.expect("scope is not optional");
+        let client_id = self.client_id.expect("client_id is not optional");
+        let url = self.url.expect("url is not optional");
+
+        let device_code: DeviceCodeResponse = client.post(&url)
+            .header(reqwest::header::USER_AGENT, USER_AGENT)
+            .header(reqwest::header::ACCEPT, "application/json")
+            .form(&DeviceCodeRequest {
+                client_id,
+                scope,
+                response_type: "device_code".into()
+            })
+            .send().await
+            .and_then(|r| r.error_for_status())
+            .map_err(|e| AuthError::Request { what: "requesting device code auth", error: e })?
+            .json().await.map_err(|e| AuthError::Request { what: "receiving device code auth", error: e })?;
+
+        let now = Instant::now();
+        Ok(DeviceCodeAuth {
+            client,
+            start: now,
+            interval: Duration::from_secs(device_code.interval + 1),
+            expire_time: now.add(Duration::from_secs(device_code.expires_in)),
+            info: dbg!(device_code)
+        })
+    }
+}
+
+pub struct DeviceCodeAuth {
+    client: Client,
+    start: Instant,
+    interval: Duration,
+    expire_time: Instant,
+    info: DeviceCodeResponse
+}
+
+impl DeviceCodeAuth {
+    async fn drive(&self) {
+        let mut i = tokio::time::interval_at(self.start, self.interval);
+        i.set_missed_tick_behavior(MissedTickBehavior::Skip);
+
+        while self.expire_time.elapsed().is_zero() {
+            
+        }
+    }
+}
-- 
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