185 lines
6.5 KiB
Python
185 lines
6.5 KiB
Python
from flask import Flask, request, jsonify, session, redirect, url_for
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from flask_cors import CORS
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import google.oauth2.credentials
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import google_auth_oauthlib.flow
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import googleapiclient.discovery
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import os
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import json
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import traceback
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from sklearn.feature_extraction.text import TfidfVectorizer
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from sklearn.naive_bayes import MultinomialNB
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import pandas as pd
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import re
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import joblib
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import imaplib
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import email
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from email.header import decode_header
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app = Flask(__name__)
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CORS(app)
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app.secret_key = 'your_secret_key'
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os.environ['OAUTHLIB_INSECURE_TRANSPORT'] = '1'
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CLIENT_SECRETS_FILE = "client_secret.json"
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SCOPES = ['https://www.googleapis.com/auth/gmail.readonly','https://www.googleapis.com/auth/gmail.modify']
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API_SERVICE_NAME = 'gmail'
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API_VERSION = 'v1'
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model = joblib.load('spam_classifier_model.pkl')
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vectorizer = joblib.load('vectorizer.pkl')
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def load_client_secrets():
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with open(CLIENT_SECRETS_FILE) as f:
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return json.load(f)
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def save_credentials(credentials):
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session['credentials'] = credentials_to_dict(credentials)
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app.logger.info("Credentials saved in session.")
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def load_credentials():
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if 'credentials' in session:
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return google.oauth2.credentials.Credentials(
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**session['credentials'])
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return None
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@app.route('/authorize')
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def authorize():
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client_secrets = load_client_secrets()
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flow = google_auth_oauthlib.flow.Flow.from_client_secrets_file(
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CLIENT_SECRETS_FILE, scopes=SCOPES)
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flow.redirect_uri = url_for('oauth2callback', _external=True)
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authorization_url, state = flow.authorization_url(
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access_type='offline',
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include_granted_scopes='true')
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session['state'] = state
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app.logger.info(f"Authorization URL: {authorization_url}, State: {state}")
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return jsonify({'url': authorization_url, 'state': state})
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@app.route('/oauth2callback')
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def oauth2callback():
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state = session.pop('state', None)
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if not state:
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app.logger.error('CSRF Warning: State mismatch')
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return jsonify({'error': 'CSRF Warning: State mismatch'}), 400
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client_secrets = load_client_secrets()
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flow = google_auth_oauthlib.flow.Flow.from_client_secrets_file(
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CLIENT_SECRETS_FILE, scopes=SCOPES, state=state)
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flow.redirect_uri = url_for('oauth2callback', _external=True)
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authorization_response = request.url
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app.logger.info(f"Authorization response: {authorization_response}")
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try:
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flow.fetch_token(authorization_response=authorization_response)
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credentials = flow.credentials
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save_credentials(credentials)
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app.logger.info(f"Token received and saved: {credentials.token}")
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return """
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<script>
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window.opener.postMessage('auth_complete', 'http://localhost:5000');
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window.close();
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</script>
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"""
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except KeyError as e:
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app.logger.error(f"KeyError: {str(e)}")
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app.logger.error("Client secrets: " + json.dumps(client_secrets, indent=2))
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app.logger.error("Authorization response: " + authorization_response)
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return jsonify({'error': 'KeyError', 'message': str(e)}), 500
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except Exception as e:
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app.logger.error(f"Exception: {str(e)}")
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app.logger.error("Traceback: " + traceback.format_exc())
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return jsonify({'error': 'Exception', 'message': str(e)}), 500
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@app.route('/fetch-emails', methods=['POST'])
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def fetch_emails():
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data = request.json
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username = data['username']
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password = data['password']
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try:
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mail = imaplib.IMAP4_SSL("outlook.office365.com")
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mail.login(username, password)
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mail.select("inbox")
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except imaplib.IMAP4.error:
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return jsonify({"error": "Login failed. Check your email and password."}), 401
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status, messages = mail.search(None, "ALL")
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email_ids = messages[0].split()
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emails = []
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for email_id in email_ids:
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res, msg = mail.fetch(email_id, "(RFC822)")
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for response_part in msg:
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if isinstance(response_part, tuple):
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msg = email.message_from_bytes(response_part[1])
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subject, encoding = decode_header(msg["Subject"])[0]
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if isinstance(subject, bytes):
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subject = subject.decode(encoding if encoding else "utf-8")
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from_ = msg.get("From")
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name, email_address = email.utils.parseaddr(from_)
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body = ""
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if msg.is_multipart():
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for part in msg.walk():
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if part.get_content_type() == "text/plain" and part.get("Content-Disposition") is None:
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body += part.get_payload(decode=True).decode(part.get_content_charset() or "utf-8")
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else:
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body = msg.get_payload(decode=True).decode(msg.get_content_charset() or "utf-8")
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emails.append({"id": email_id.decode(), "from": from_, "name": name, "email_address": email_address,
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"subject": subject, "body": body})
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return jsonify(emails)
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@app.route('/classify-email', methods=['POST'])
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def classify_email():
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data = request.json
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email_body = data['body']
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email_vectorized = vectorizer.transform([email_body])
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prediction = model.predict(email_vectorized)
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result = "Suspicious" if prediction == 1 else "Not suspicious"
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return jsonify({"result": result})
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@app.route('/mark-safe', methods=['POST'])
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def mark_safe():
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data = request.json
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email_id = data['email_id']
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# Logic to mark email as safe
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return jsonify({"message": f"Email {email_id} marked as safe"})
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@app.route('/delete-email', methods=['POST'])
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def delete_email():
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data = request.json
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email_id = data['email_id']
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# Connect to the mail server and delete the email
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username = data['username']
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password = data['password']
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try:
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mail = imaplib.IMAP4_SSL("outlook.office365.com")
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mail.login(username, password)
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mail.select("inbox")
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mail.store(email_id, '+FLAGS', '\\Deleted')
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mail.expunge()
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return jsonify({"message": f"Email {email_id} deleted"})
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except imaplib.IMAP4.error:
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return jsonify({"error": "Failed to delete email"}), 500
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def credentials_to_dict(credentials):
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return {
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'token': credentials.token,
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'refresh_token': credentials.refresh_token,
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'token_uri': credentials.token_uri,
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'client_id': credentials.client_id,
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'client_secret': credentials.client_secret,
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'scopes': credentials.scopes
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}
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if __name__ == '__main__':
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app.run(debug=True)
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