add login

src/main.rs

@@ -69,8 +69,6 @@ async fn main() {
 
         let user_agent = format!("uwm/{}", env!("CARGO_PKG_VERSION"));
 
-        let marks = marks::get_marks(config.username, config.password.unwrap(), &user_agent).await;
-
-        println!("{:#?}", marks);
+        marks::get_marks(config.username, config.password.unwrap(), &user_agent).await;
     }
 }

src/marks.rs

@@ -1,9 +1,68 @@
-pub async fn get_marks(username: String, password: String, user_agent: &str) -> String {
-    format!("{}/{}/{}", username, password, user_agent)
+use scraper::{Html, Selector};
+use std::io::Write;
 
+pub async fn get_marks(username: String, password: String, user_agent: &str) {
     // Login
-    // https://cas.univ-paris8.fr/cas/login
+    let document = login(username, password, user_agent)
+        .await
+        .expect("Can't login");
+
+    let mut w = std::fs::File::create("temp.html").unwrap();
+    write!(&mut w, "{}", document.html()).unwrap();
 
     // Marks
     // https://scolarite-etudiant.univ-paris8.fr/mondossierweb/#!notesView
 }
+
+async fn login(
+    username: String,
+    password: String,
+    user_agent: &str,
+) -> Result<Html, Box<dyn std::error::Error>> {
+    let login_url = "https://cas.univ-paris8.fr/cas/login";
+
+    let client = reqwest::Client::builder().user_agent(user_agent).build()?;
+
+    let login_page = Html::parse_document(&client.get(login_url).send().await?.text().await?);
+
+    // LT
+    let sel_lt = Selector::parse(r#"input[name="lt"]"#).unwrap();
+    let lt = login_page
+        .select(&sel_lt)
+        .next()
+        .unwrap()
+        .value()
+        .attr("value")
+        .unwrap();
+
+    // Execution
+    let sel_execution = Selector::parse(r#"input[name="execution"]"#).unwrap();
+    let execution = login_page
+        .select(&sel_execution)
+        .next()
+        .unwrap()
+        .value()
+        .attr("value")
+        .unwrap();
+
+    let params = [
+        ("username", username.as_str()),
+        ("password", password.as_str()),
+        ("_eventID", "submit"),
+        ("submit", "SE CONNECTER"),
+        ("lt", lt),
+        ("execution", execution),
+    ];
+
+    let html = client
+        .post(login_url)
+        .form(&params)
+        .send()
+        .await?
+        .text()
+        .await?;
+
+    let document = Html::parse_document(&html);
+
+    Ok(document)
+}