Pull the AoC leaderboard API

challenge/Cargo.toml

@@ -0,0 +1,10 @@
+[package]
+name = "challenge"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+reqwest = { version = "0.11", features = [ "cookies" ] }
+tokio   = { version = "1.22", features = [ "full" ] }

challenge/src/main.rs

@@ -0,0 +1,34 @@
+use reqwest;
+
+#[tokio::main]
+async fn main() {
+    let session_cookie = std::env::vars()
+        .find_map(|(key, value)| {
+            if key == "SESSION_COOKIE" {
+                Some(value)
+            } else {
+                None
+            }
+        })
+        .unwrap();
+
+    let jar = reqwest::cookie::Jar::default();
+    let url = "https://adventofcode.com/".parse::<reqwest::Url>().unwrap();
+    jar.add_cookie_str(&format!("session={}", session_cookie), &url);
+
+    let client = reqwest::ClientBuilder::new()
+        .cookie_store(true)
+        .cookie_provider(std::sync::Arc::new(jar))
+        .build()
+        .unwrap();
+
+    let board = client
+        .get("https://adventofcode.com/2021/leaderboard/private/view/680754.json")
+        .send()
+        .await
+        .unwrap()
+        .text()
+        .await;
+
+    println!("resulting text: {:?}", board);
+}

flake.nix

@@ -23,6 +23,8 @@
         pkgs.mkShell {
           name = "aoc-devshell";
           buildInputs = [
+            pkgs.pkg-config
+            pkgs.openssl
             rust
           ];
         };