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app.py

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+from flask import Flask, render_template, redirect, url_for, request, session, send_file
+from cookie import fetch_new_cookies
+from bs4 import BeautifulSoup
+import pandas as pd
+import threading
+import requests
+import tempfile
+import json
+
+# Setup Flask app
+app = Flask(__name__)
+app.secret_key = 'the_data_of_KV'
+
+# Global variable to store student data
+student_data = []
+url = "https://epay.unionbankofindia.co.in/kvchallan/welcome.aspx"
+
+cookies = []
+fetch_cookie = fetch_new_cookies()
+if fetch_cookie:
+    cookies.append(fetch_cookie)
+else:
+    print("Failed to fetch cookies.")
+cookie = cookies[0] if cookies else None
+
+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',
+  'Connection': 'keep-alive',
+  'Content-Type': 'application/x-www-form-urlencoded',
+  'Cookie': f'ASP.NET_SessionId={cookie}',
+  'DNT': '1',
+  'Origin': 'https://epay.unionbankofindia.co.in',
+  'Referer': 'https://epay.unionbankofindia.co.in/kvchallan/default.aspx',
+  'Sec-Fetch-Dest': 'document',
+  'Sec-Fetch-Mode': 'navigate',
+  'Sec-Fetch-Site': 'same-origin',
+  'Upgrade-Insecure-Requests': '1',
+  'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 Edg/127.0.0.0',
+  'sec-ch-ua': '"Not)A;Brand";v="99", "Microsoft Edge";v="127", "Chromium";v="127"',
+  'sec-ch-ua-mobile': '?0',
+  'sec-ch-ua-platform': '"Windows"'
+}
+
+
+
+def main(payload):
+    student = payload.split('=')[1]
+    print(f"Checking for student code {student}...")
+    response = requests.post(url, headers=headers, data=payload)
+    data = response.text
+
+    if 'ctl00_ContentPlaceHolder1_lblName' in data:
+        name = data.split('ctl00_ContentPlaceHolder1_lblName">')[1].split('</span>')[0]
+    else:
+        return None
+
+    if name == '':
+        return None
+    else:
+        dob = data.split('ctl00_ContentPlaceHolder1_lblDOB">')[1].split('</span>')[0]
+        ubiId = data.split('ctl00_ContentPlaceHolder1_lblUnique">')[1].split('</span>')[0]
+        Class = data.split('ctl00_ContentPlaceHolder1_lblClass">')[1].split('</span>')[0]
+        school = data.split('ctl00_ContentPlaceHolder1_lblSchoolName">')[1].split('</span>')[0]
+
+        # Parsing HTML with BeautifulSoup to extract VIEWSTATE and other form data
+        soup = BeautifulSoup(data, 'html.parser')
+        viewstate = soup.find('input', {'id': '__VIEWSTATE'})['value']
+        eventvalidation = soup.find('input', {'id': '__EVENTVALIDATION'})['value']
+
+        # Prepare the payload for the POST request to simulate the button click
+        button_payload = {
+            '__VIEWSTATE': viewstate,
+            '__EVENTVALIDATION': eventvalidation,
+            '__EVENTTARGET': 'ctl00$ContentPlaceHolder1$lnkChallan',
+            '__EVENTARGUMENT': '',
+            'student_code': student
+        }
+
+        # Send the POST request to generate the challan
+        challan_response = requests.post(url, headers=headers, data=button_payload)
+        challan_data = challan_response.text
+        
+        if challan_data.splitlines()[0].strip() == "<script>alert('Student is not active, can not generate challan!');</script>":
+            current_status = "No"
+        else:
+            current_status = "Yes"
+        
+        json_entry = (
+            '\t{\n'
+            f'        "name": "{name}",\n'
+            f'        "dob": "{dob}",\n'
+            f'        "ubiId": "{ubiId}",\n'
+            f'        "class": "{Class}",\n'
+            f'        "school": "{school}",\n'
+            f'        "enrolled": "{current_status}"\n'
+            '    }'
+        )
+
+        with open('data.json', 'w') as f:
+            json.dump(student_data, f, indent=4)
+
+        
+        print(f"Name: {name}\nDOB: {dob}\nUBI ID: {ubiId}\nClass: {Class}\nSchool: {school}\nCurrently Enrolled: {current_status}\n")
+        return {
+    "name": name,
+    "dob": dob,
+    "ubiId": ubiId,
+    "class": Class,
+    "school": school,
+    "enrolled": current_status
+}
+
+# Background thread function
+def background_worker():
+    payload = 'student_code=091438109008700'  # Starting point
+    consecutive_failures = 0
+    year = int(payload.split('=')[1][7:9])
+
+    while True:
+        result = main(payload)
+        if result is None:
+            consecutive_failures += 1
+        else:
+            consecutive_failures = 0  # Reset on success
+            student_data.append(result)
+
+        if consecutive_failures == 100:  # Increment year after 100 failures
+            consecutive_failures = 0
+            admission_number = int(payload.split('=')[1][-6:]) - 100
+            year += 1
+            payload = f'student_code=914381{year}{admission_number :06d}'
+
+        # Increment student_code
+        student_number = int(payload.split('=')[1])
+        payload = f'student_code={student_number + 1:015d}'
+
+# Start the background worker thread
+threading.Thread(target=background_worker, daemon=True).start()
+
+@app.route('/')
+def index():
+    if 'logged_in' in session and session['logged_in']:
+        return redirect(url_for('dashboard'))
+    return render_template('login.html')
+
+@app.route('/login', methods=['POST'])
+def login():
+    username = request.form['username']
+    password = request.form['password']
+    # Replace with actual authentication logic
+    if username == '[email protected]' and password == '3@0#&e#m2f':
+        session['logged_in'] = True
+        return redirect(url_for('dashboard'))
+    return 'Invalid credentials', 401
+
+@app.route('/logout')
+def logout():
+    session.pop('logged_in', None)
+    return redirect(url_for('index'))
+
+@app.route('/dashboard')
+def dashboard():
+    if 'logged_in' not in session or not session['logged_in']:
+        return redirect(url_for('index'))
+    return render_template('dashboard.html', data=student_data)
+
+@app.route('/download')
+def download():
+    if 'logged_in' not in session or not session['logged_in']:
+        return redirect(url_for('index'))
+    
+    # Convert student data to a DataFrame
+    columns = ['Name', 'DOB', 'UBI ID', 'Class', 'School', 'Enrolled']
+    data = []
+    for student in student_data:
+        data.append([
+            student['name'],
+            student['dob'],
+            student['ubiId'],
+            student['class'],
+            student['school'],
+            student['enrolled']
+        ])
+    df = pd.DataFrame(data, columns=columns)
+
+    # Save to a temporary Excel file
+    temp_dir = tempfile.gettempdir()
+    file_path = f"{temp_dir}/student_data.xlsx"
+    df.to_excel(file_path, index=False)
+    # Send the file to the user
+    return send_file(file_path, as_attachment=True, download_name='student_data.xlsx')
+
+if __name__ == '__main__':
+    app.run(debug=True)

cookie.py

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+from selenium import webdriver
+from selenium.webdriver.chrome.options import Options
+from selenium.webdriver.chrome.service import Service
+from selenium.webdriver.common.by import By
+from selenium.webdriver.support.ui import WebDriverWait
+from selenium.webdriver.support import expected_conditions as EC
+import chromedriver_autoinstaller # pip install chromedriver-autoinstaller selenium
+import time
+
+start_time = time.time()
+# Auto-install matching ChromeDriver
+chromedriver_autoinstaller.install()
+
+def fetch_new_cookies():
+    # Headless Chrome options
+    chrome_options = Options()
+    chrome_options.add_argument("--headless=new")
+
+    # Launch browser
+    driver = webdriver.Chrome(options=chrome_options)
+
+    try:
+        # Go to page
+        driver.get("https://epay.unionbankofindia.co.in/kvchallan/default.aspx")
+
+        # Wait for CAPTCHA to load
+        wait = WebDriverWait(driver, 5)
+        captcha_text = wait.until(EC.presence_of_element_located((By.ID, "lblCaptcha"))).text
+
+        # Fill in the form
+        driver.find_element(By.ID, "txtStudent").send_keys("091438109008704")
+        driver.find_element(By.ID, "txtDateofBirth").send_keys("09/05/2002")
+        driver.find_element(By.ID, "txtCaptcha").send_keys(captcha_text)
+
+        # Click the image-style login button
+        driver.find_element(By.ID, "imgLogin").click()
+
+        # Extract ASP.NET_SessionId cookie
+        session_cookie = next((c for c in driver.get_cookies() if c['name'] == "ASP.NET_SessionId"), None)
+
+        if session_cookie:
+            # Print the cookie value
+            print("Session Cookie:", session_cookie['value'])
+            return session_cookie['value']
+        else:
+            return fetch_new_cookies()
+    except Exception as e:
+        print("Error occurred:", e)
+        return None
+
+    finally:
+        driver.quit()

requirements.txt

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+flask
+pandas
+chromedriver-autoinstaller
+selenium