feat: use a custom challenge since not checked in backend

LiterateInk · Aug 25, 2024 · 2f7ebdb · 2f7ebdb
1 parent 37bc802
commit 2f7ebdb
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 12 deletions.
diff --git a/src/models/Authenticator.ts b/src/models/Authenticator.ts
@@ -22,14 +22,8 @@ export class Authenticator {
     const params = new URLSearchParams();
     params.set("user", username);
 
-    const START = "<input type=\"hidden\" name=\"";
-    const START_BETWEEN = "\" value=\"";
-    const END = "\" />";
-    const read = (name: string) => {
-      return findValueBetween(html, START + name + START_BETWEEN, END);
-    };
-
-    const challenge = read("challenge");
+    const pid = findValueBetween(html, "<input type=\"hidden\" name=\"pid\" value=\"", "\" />");
+    const challenge = "69".repeat(16);
 
     let hashed_password = md5(password);
     hashed_password = md5(username + ":" + hashed_password + ":" + challenge);
@@ -38,7 +32,7 @@ export class Authenticator {
 
     params.set("submit", "VALIDER");
     params.set("logintype", "login");
-    params.set("pid", read("pid"));
+    params.set("pid", pid);
     params.set("redirect_url", "");
     params.set("challenge", challenge);
 
@@ -55,7 +49,7 @@ export class Authenticator {
     const cookies = getCookiesFromResponse(response);
     this.check(cookies);
 
-    return Client.fromAPI(response.content, cookies);
+    return Client.fromAPI(response.content, cookies, pid);
   }
 
   /**

diff --git a/src/models/Client.ts b/src/models/Client.ts
@@ -5,6 +5,7 @@ import { findValueBetween } from "@literate.ink/utilities";
 
 export class Client {
   public constructor (
+    public pid: string,
     public schoolID: string,
     public schoolName: string,
     public schoolImageURL: string,
@@ -15,11 +16,11 @@ export class Client {
     return getOnlinePayments(this.schoolID, this.cookies);
   }
 
-  public static fromAPI (html: string, cookies: string[]) {
+  public static fromAPI (html: string, cookies: string[] = [], pid = "") {
     const schoolID = findValueBetween(html, ARD_BASE_ENDPOINT.slice(1) + "/", "/accueil.html");
     const [schoolImagePath, , schoolName] = findValueBetween(html, "<img src=\"", "\" />").split("\"");
     const schoolImageURL = ARD_HOST + "/" + schoolImagePath;
 
-    return new Client(schoolID, schoolName, schoolImageURL, cookies);
+    return new Client(pid, schoolID, schoolName, schoolImageURL, cookies);
   }
 }