mirror of
https://github.com/usmannasir/cyberpanel.git
synced 2026-03-10 22:30:13 +01:00
6085364c98
- Use correct Dovecot namespace (separator='.', prefix='INBOX.'): folders are INBOX.Sent, INBOX.Drafts, INBOX.Deleted Items, etc. - Quote IMAP folder names with spaces (e.g. "INBOX.Deleted Items") - Add display_name and folder_type to folder list API response - Fix SMTP for SSO: use local relay on port 25 (permit_mynetworks) since Dovecot has no auth_master_user_separator for port 587 - Fix Sieve SASL PLAIN auth to use clean RFC 4616 format - Handle ManageSieve unavailability gracefully with helpful logging - Update frontend to show clean folder names and correct icons - Auto-prefix new folder names with INBOX. namespace
778 lines
30 KiB
Python
778 lines
30 KiB
Python
import json
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import os
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import base64
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from django.http import HttpResponse
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from django.shortcuts import render, redirect
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from .models import Contact, ContactGroup, ContactGroupMembership, WebmailSettings, SieveRule
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from .services.imap_client import IMAPClient
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from .services.smtp_client import SMTPClient
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from .services.email_composer import EmailComposer
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from .services.sieve_client import SieveClient
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import plogical.CyberCPLogFileWriter as logging
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WEBMAIL_CONF = '/etc/cyberpanel/webmail.conf'
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class WebmailManager:
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def __init__(self, request):
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self.request = request
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# ── Helpers ────────────────────────────────────────────────
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@staticmethod
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def _json_response(data):
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return HttpResponse(json.dumps(data), content_type='application/json')
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@staticmethod
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def _error(msg):
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return HttpResponse(json.dumps({'status': 0, 'error_message': str(msg)}),
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content_type='application/json')
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@staticmethod
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def _success(extra=None):
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data = {'status': 1}
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if extra:
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data.update(extra)
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return HttpResponse(json.dumps(data), content_type='application/json')
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def _get_post_data(self):
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try:
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return json.loads(self.request.body)
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except Exception:
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return self.request.POST.dict()
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def _get_email(self):
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return self.request.session.get('webmail_email')
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def _get_master_config(self):
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"""Read master user config from /etc/cyberpanel/webmail.conf"""
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try:
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with open(WEBMAIL_CONF, 'r') as f:
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config = json.load(f)
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return config.get('master_user'), config.get('master_password')
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except Exception:
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return None, None
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def _get_imap(self, email_addr=None):
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"""Create IMAP client, preferring master user auth for SSO sessions."""
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addr = email_addr or self._get_email()
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if not addr:
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raise Exception('No email account selected')
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master_user, master_pass = self._get_master_config()
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if master_user and master_pass:
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return IMAPClient(addr, '', master_user=master_user, master_password=master_pass)
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# Fallback: standalone login with stored password
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password = self.request.session.get('webmail_password', '')
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return IMAPClient(addr, password)
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def _get_smtp(self):
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addr = self._get_email()
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if not addr:
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raise Exception('No email account selected')
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# If using master user (SSO), we can't auth to SMTP since
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# auth_master_user_separator is not set in Dovecot.
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# Use local relay via port 25 instead (Postfix permits localhost).
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master_user, master_pass = self._get_master_config()
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is_standalone = self.request.session.get('webmail_standalone', False)
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if master_user and master_pass and not is_standalone:
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return SMTPClient(addr, '', use_local_relay=True)
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password = self.request.session.get('webmail_password', '')
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return SMTPClient(addr, password)
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def _get_sieve(self, email_addr=None):
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addr = email_addr or self._get_email()
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if not addr:
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raise Exception('No email account selected')
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master_user, master_pass = self._get_master_config()
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if master_user and master_pass:
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return SieveClient(addr, '', master_user=master_user, master_password=master_pass)
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password = self.request.session.get('webmail_password', '')
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return SieveClient(addr, password)
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def _get_managed_accounts(self):
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"""Get email accounts the current CyberPanel user can access."""
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try:
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from plogical.acl import ACLManager
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from loginSystem.models import Administrator
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from mailServer.models import Domains, EUsers
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userID = self.request.session['userID']
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currentACL = ACLManager.loadedACL(userID)
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websites = ACLManager.findAllSites(currentACL, userID)
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websites = websites + ACLManager.findChildDomains(websites)
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accounts = []
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for site in websites:
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try:
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domain = Domains.objects.get(domain=site)
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for eu in EUsers.objects.filter(emailOwner=domain):
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accounts.append(eu.email)
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except Exception:
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continue
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return accounts
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except Exception:
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return []
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# ── Page Renders ──────────────────────────────────────────
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def loadWebmail(self):
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from plogical.httpProc import httpProc
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email = self._get_email()
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accounts = self._get_managed_accounts()
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if not email and accounts:
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if len(accounts) == 1:
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self.request.session['webmail_email'] = accounts[0]
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email = accounts[0]
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else:
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# Multiple accounts - render picker
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proc = httpProc(self.request, 'webmail/index.html',
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{'accounts': json.dumps(accounts), 'show_picker': True},
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'listEmails')
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return proc.render()
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proc = httpProc(self.request, 'webmail/index.html',
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{'email': email or '',
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'accounts': json.dumps(accounts),
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'show_picker': False},
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'listEmails')
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return proc.render()
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def loadLogin(self):
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return render(self.request, 'webmail/login.html')
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# ── Auth APIs ─────────────────────────────────────────────
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def apiLogin(self):
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data = self._get_post_data()
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email_addr = data.get('email', '')
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password = data.get('password', '')
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if not email_addr or not password:
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return self._error('Email and password are required.')
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try:
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client = IMAPClient(email_addr, password)
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client.close()
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except Exception as e:
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return self._error('Login failed: %s' % str(e))
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self.request.session['webmail_email'] = email_addr
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self.request.session['webmail_password'] = password
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self.request.session['webmail_standalone'] = True
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return self._success()
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def apiLogout(self):
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for key in ['webmail_email', 'webmail_password', 'webmail_standalone']:
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self.request.session.pop(key, None)
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return self._success()
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def apiSSO(self):
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"""Auto-login for CyberPanel users."""
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accounts = self._get_managed_accounts()
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if not accounts:
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return self._error('No email accounts found for your user.')
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email = accounts[0]
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self.request.session['webmail_email'] = email
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return self._success({'email': email, 'accounts': accounts})
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def apiListAccounts(self):
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accounts = self._get_managed_accounts()
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return self._success({'accounts': accounts})
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def apiSwitchAccount(self):
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data = self._get_post_data()
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email = data.get('email', '')
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accounts = self._get_managed_accounts()
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if email not in accounts:
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return self._error('You do not have access to this account.')
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self.request.session['webmail_email'] = email
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return self._success({'email': email})
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# ── Folder APIs ───────────────────────────────────────────
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def apiListFolders(self):
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try:
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with self._get_imap() as imap:
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folders = imap.list_folders()
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return self._success({'folders': folders})
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except Exception as e:
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return self._error(str(e))
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def apiCreateFolder(self):
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data = self._get_post_data()
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name = data.get('name', '')
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if not name:
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return self._error('Folder name is required.')
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try:
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with self._get_imap() as imap:
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if imap.create_folder(name):
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return self._success()
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return self._error('Failed to create folder.')
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except Exception as e:
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return self._error(str(e))
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def apiRenameFolder(self):
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data = self._get_post_data()
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old_name = data.get('oldName', '')
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new_name = data.get('newName', '')
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if not old_name or not new_name:
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return self._error('Both old and new folder names are required.')
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try:
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with self._get_imap() as imap:
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if imap.rename_folder(old_name, new_name):
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return self._success()
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return self._error('Failed to rename folder.')
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except Exception as e:
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return self._error(str(e))
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def apiDeleteFolder(self):
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data = self._get_post_data()
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name = data.get('name', '')
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if not name:
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return self._error('Folder name is required.')
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# CyberPanel/Dovecot folder names (INBOX. prefix, separator '.')
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protected = ['INBOX', 'INBOX.Sent', 'INBOX.Drafts', 'INBOX.Deleted Items',
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'INBOX.Junk E-mail', 'INBOX.Archive']
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if name in protected:
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return self._error('Cannot delete system folder.')
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try:
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with self._get_imap() as imap:
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if imap.delete_folder(name):
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return self._success()
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return self._error('Failed to delete folder.')
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except Exception as e:
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return self._error(str(e))
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# ── Message APIs ──────────────────────────────────────────
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def apiListMessages(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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page = int(data.get('page', 1))
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per_page = int(data.get('perPage', 25))
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try:
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with self._get_imap() as imap:
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result = imap.list_messages(folder, page, per_page)
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return self._success(result)
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except Exception as e:
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return self._error(str(e))
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def apiSearchMessages(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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query = data.get('query', '')
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try:
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with self._get_imap() as imap:
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uids = imap.search_messages(folder, query)
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uids = [u.decode() if isinstance(u, bytes) else str(u) for u in uids]
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return self._success({'uids': uids})
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except Exception as e:
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return self._error(str(e))
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def apiGetMessage(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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uid = data.get('uid', '')
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if not uid:
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return self._error('Message UID is required.')
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try:
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with self._get_imap() as imap:
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msg = imap.get_message(folder, uid)
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if msg is None:
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return self._error('Message not found.')
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imap.mark_read(folder, [uid])
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return self._success({'message': msg})
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except Exception as e:
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return self._error(str(e))
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def apiGetAttachment(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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uid = data.get('uid', '')
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part_id = data.get('partId', '')
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try:
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with self._get_imap() as imap:
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result = imap.get_attachment(folder, uid, part_id)
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if result is None:
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return self._error('Attachment not found.')
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filename, content_type, payload = result
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response = HttpResponse(payload, content_type=content_type)
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response['Content-Disposition'] = 'attachment; filename="%s"' % filename
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return response
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except Exception as e:
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return self._error(str(e))
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# ── Action APIs ───────────────────────────────────────────
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def apiSendMessage(self):
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try:
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email_addr = self._get_email()
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if not email_addr:
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return self._error('Not logged in.')
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# Handle multipart form data for attachments
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if self.request.content_type and 'multipart' in self.request.content_type:
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to = self.request.POST.get('to', '')
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cc = self.request.POST.get('cc', '')
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bcc = self.request.POST.get('bcc', '')
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subject = self.request.POST.get('subject', '')
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body_html = self.request.POST.get('body', '')
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in_reply_to = self.request.POST.get('inReplyTo', '')
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references = self.request.POST.get('references', '')
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attachments = []
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for key in self.request.FILES:
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f = self.request.FILES[key]
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attachments.append((f.name, f.content_type, f.read()))
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else:
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data = self._get_post_data()
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to = data.get('to', '')
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cc = data.get('cc', '')
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bcc = data.get('bcc', '')
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subject = data.get('subject', '')
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body_html = data.get('body', '')
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in_reply_to = data.get('inReplyTo', '')
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references = data.get('references', '')
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attachments = None
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if not to:
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return self._error('At least one recipient is required.')
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mime_msg = EmailComposer.compose(
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from_addr=email_addr,
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to_addrs=to,
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subject=subject,
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body_html=body_html,
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cc_addrs=cc,
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bcc_addrs=bcc,
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attachments=attachments,
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in_reply_to=in_reply_to,
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references=references,
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)
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smtp = self._get_smtp()
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result = smtp.send_message(mime_msg)
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if not result['success']:
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return self._error(result.get('error', 'Failed to send.'))
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# Save to Sent folder
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try:
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with self._get_imap() as imap:
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raw = mime_msg.as_bytes()
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smtp.save_to_sent(imap, raw)
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except Exception:
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pass
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# Auto-collect contacts
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try:
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settings = WebmailSettings.objects.filter(email_account=email_addr).first()
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if settings is None or settings.auto_collect_contacts:
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self._auto_collect(email_addr, to, cc)
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except Exception:
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pass
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return self._success({'messageId': result['message_id']})
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except Exception as e:
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return self._error(str(e))
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def _auto_collect(self, owner, to_addrs, cc_addrs=''):
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"""Auto-save recipients as contacts."""
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import re
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all_addrs = '%s,%s' % (to_addrs, cc_addrs) if cc_addrs else to_addrs
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emails = re.findall(r'[\w.+-]+@[\w-]+\.[\w.-]+', all_addrs)
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for addr in emails:
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if addr == owner:
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continue
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Contact.objects.get_or_create(
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owner_email=owner,
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email_address=addr,
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defaults={'is_auto_collected': True, 'display_name': addr.split('@')[0]},
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)
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def apiSaveDraft(self):
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try:
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email_addr = self._get_email()
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data = self._get_post_data()
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to = data.get('to', '')
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subject = data.get('subject', '')
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body_html = data.get('body', '')
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mime_msg = EmailComposer.compose(
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from_addr=email_addr,
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to_addrs=to,
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subject=subject,
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body_html=body_html,
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)
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with self._get_imap() as imap:
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# CyberPanel's Dovecot uses INBOX.Drafts
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draft_folders = ['INBOX.Drafts', 'Drafts', 'Draft']
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saved = False
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for folder in draft_folders:
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try:
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if imap.append_message(folder, mime_msg.as_bytes(), '\\Draft \\Seen'):
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saved = True
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break
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except Exception:
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continue
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if not saved:
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imap.create_folder('INBOX.Drafts')
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imap.append_message('INBOX.Drafts', mime_msg.as_bytes(), '\\Draft \\Seen')
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return self._success()
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except Exception as e:
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return self._error(str(e))
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def apiDeleteMessages(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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uids = data.get('uids', [])
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if not uids:
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return self._error('No messages selected.')
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try:
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with self._get_imap() as imap:
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imap.delete_messages(folder, uids)
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return self._success()
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except Exception as e:
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return self._error(str(e))
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def apiMoveMessages(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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uids = data.get('uids', [])
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target = data.get('targetFolder', '')
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if not uids or not target:
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return self._error('Messages and target folder are required.')
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try:
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with self._get_imap() as imap:
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imap.move_messages(folder, uids, target)
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return self._success()
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except Exception as e:
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return self._error(str(e))
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def apiMarkRead(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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uids = data.get('uids', [])
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try:
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with self._get_imap() as imap:
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imap.mark_read(folder, uids)
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return self._success()
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except Exception as e:
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return self._error(str(e))
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def apiMarkUnread(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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uids = data.get('uids', [])
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try:
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with self._get_imap() as imap:
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imap.mark_unread(folder, uids)
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return self._success()
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except Exception as e:
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return self._error(str(e))
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def apiMarkFlagged(self):
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data = self._get_post_data()
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folder = data.get('folder', 'INBOX')
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uids = data.get('uids', [])
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try:
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with self._get_imap() as imap:
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imap.mark_flagged(folder, uids)
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return self._success()
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except Exception as e:
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|
return self._error(str(e))
|
|
|
|
# ── Contact APIs ──────────────────────────────────────────
|
|
|
|
def apiListContacts(self):
|
|
email = self._get_email()
|
|
try:
|
|
contacts = list(Contact.objects.filter(owner_email=email).values(
|
|
'id', 'display_name', 'email_address', 'phone', 'organization', 'notes', 'is_auto_collected'
|
|
))
|
|
return self._success({'contacts': contacts})
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiCreateContact(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
try:
|
|
contact = Contact.objects.create(
|
|
owner_email=email,
|
|
display_name=data.get('displayName', ''),
|
|
email_address=data.get('emailAddress', ''),
|
|
phone=data.get('phone', ''),
|
|
organization=data.get('organization', ''),
|
|
notes=data.get('notes', ''),
|
|
)
|
|
return self._success({'id': contact.id})
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiUpdateContact(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
contact_id = data.get('id')
|
|
try:
|
|
contact = Contact.objects.get(id=contact_id, owner_email=email)
|
|
for field in ['display_name', 'email_address', 'phone', 'organization', 'notes']:
|
|
camel = field.replace('_', ' ').title().replace(' ', '')
|
|
camel = camel[0].lower() + camel[1:]
|
|
if camel in data:
|
|
setattr(contact, field, data[camel])
|
|
contact.save()
|
|
return self._success()
|
|
except Contact.DoesNotExist:
|
|
return self._error('Contact not found.')
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiDeleteContact(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
contact_id = data.get('id')
|
|
try:
|
|
Contact.objects.filter(id=contact_id, owner_email=email).delete()
|
|
return self._success()
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiSearchContacts(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
query = data.get('query', '')
|
|
try:
|
|
from django.db.models import Q
|
|
contacts = Contact.objects.filter(
|
|
owner_email=email
|
|
).filter(
|
|
Q(display_name__icontains=query) | Q(email_address__icontains=query)
|
|
).values('id', 'display_name', 'email_address')[:20]
|
|
return self._success({'contacts': list(contacts)})
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiListContactGroups(self):
|
|
email = self._get_email()
|
|
try:
|
|
groups = list(ContactGroup.objects.filter(owner_email=email).values('id', 'name'))
|
|
return self._success({'groups': groups})
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiCreateContactGroup(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
name = data.get('name', '')
|
|
if not name:
|
|
return self._error('Group name is required.')
|
|
try:
|
|
group = ContactGroup.objects.create(owner_email=email, name=name)
|
|
return self._success({'id': group.id})
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiDeleteContactGroup(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
group_id = data.get('id')
|
|
try:
|
|
ContactGroup.objects.filter(id=group_id, owner_email=email).delete()
|
|
return self._success()
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
# ── Sieve Rule APIs ───────────────────────────────────────
|
|
|
|
def apiListRules(self):
|
|
email = self._get_email()
|
|
try:
|
|
rules = list(SieveRule.objects.filter(email_account=email).values(
|
|
'id', 'name', 'priority', 'is_active',
|
|
'condition_field', 'condition_type', 'condition_value',
|
|
'action_type', 'action_value',
|
|
))
|
|
return self._success({'rules': rules})
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiCreateRule(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
try:
|
|
rule = SieveRule.objects.create(
|
|
email_account=email,
|
|
name=data.get('name', 'New Rule'),
|
|
priority=data.get('priority', 0),
|
|
is_active=data.get('isActive', True),
|
|
condition_field=data.get('conditionField', 'from'),
|
|
condition_type=data.get('conditionType', 'contains'),
|
|
condition_value=data.get('conditionValue', ''),
|
|
action_type=data.get('actionType', 'move'),
|
|
action_value=data.get('actionValue', ''),
|
|
)
|
|
self._sync_sieve_rules(email)
|
|
return self._success({'id': rule.id})
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiUpdateRule(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
rule_id = data.get('id')
|
|
try:
|
|
rule = SieveRule.objects.get(id=rule_id, email_account=email)
|
|
for field in ['name', 'priority', 'is_active', 'condition_field',
|
|
'condition_type', 'condition_value', 'action_type', 'action_value']:
|
|
camel = field.replace('_', ' ').title().replace(' ', '')
|
|
camel = camel[0].lower() + camel[1:]
|
|
if camel in data:
|
|
val = data[camel]
|
|
if field == 'is_active':
|
|
val = bool(val)
|
|
elif field == 'priority':
|
|
val = int(val)
|
|
setattr(rule, field, val)
|
|
rule.save()
|
|
self._sync_sieve_rules(email)
|
|
return self._success()
|
|
except SieveRule.DoesNotExist:
|
|
return self._error('Rule not found.')
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiDeleteRule(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
rule_id = data.get('id')
|
|
try:
|
|
SieveRule.objects.filter(id=rule_id, email_account=email).delete()
|
|
self._sync_sieve_rules(email)
|
|
return self._success()
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiActivateRules(self):
|
|
email = self._get_email()
|
|
try:
|
|
self._sync_sieve_rules(email)
|
|
return self._success()
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def _sync_sieve_rules(self, email):
|
|
"""Generate sieve script from DB rules and upload to Dovecot.
|
|
|
|
ManageSieve may not be available if dovecot-sieve/pigeonhole is not
|
|
installed or if the ManageSieve service isn't running on port 4190.
|
|
Rules are always saved to the database; Sieve sync is best-effort.
|
|
"""
|
|
rules = SieveRule.objects.filter(email_account=email, is_active=True).order_by('priority')
|
|
rule_dicts = []
|
|
for r in rules:
|
|
rule_dicts.append({
|
|
'name': r.name,
|
|
'condition_field': r.condition_field,
|
|
'condition_type': r.condition_type,
|
|
'condition_value': r.condition_value,
|
|
'action_type': r.action_type,
|
|
'action_value': r.action_value,
|
|
})
|
|
|
|
script = SieveClient.rules_to_sieve(rule_dicts)
|
|
|
|
try:
|
|
with self._get_sieve(email) as sieve:
|
|
sieve.put_script('cyberpanel', script)
|
|
sieve.activate_script('cyberpanel')
|
|
except ConnectionRefusedError:
|
|
logging.CyberCPLogFileWriter.writeToFile(
|
|
'Sieve sync skipped for %s: ManageSieve not running on port 4190. '
|
|
'Install dovecot-sieve and enable ManageSieve.' % email)
|
|
except Exception as e:
|
|
logging.CyberCPLogFileWriter.writeToFile('Sieve sync failed for %s: %s' % (email, str(e)))
|
|
|
|
# ── Settings APIs ─────────────────────────────────────────
|
|
|
|
def apiGetSettings(self):
|
|
email = self._get_email()
|
|
try:
|
|
settings, created = WebmailSettings.objects.get_or_create(email_account=email)
|
|
return self._success({
|
|
'settings': {
|
|
'displayName': settings.display_name,
|
|
'signatureHtml': settings.signature_html,
|
|
'messagesPerPage': settings.messages_per_page,
|
|
'defaultReplyBehavior': settings.default_reply_behavior,
|
|
'themePreference': settings.theme_preference,
|
|
'autoCollectContacts': settings.auto_collect_contacts,
|
|
}
|
|
})
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
def apiSaveSettings(self):
|
|
email = self._get_email()
|
|
data = self._get_post_data()
|
|
try:
|
|
settings, created = WebmailSettings.objects.get_or_create(email_account=email)
|
|
if 'displayName' in data:
|
|
settings.display_name = data['displayName']
|
|
if 'signatureHtml' in data:
|
|
settings.signature_html = data['signatureHtml']
|
|
if 'messagesPerPage' in data:
|
|
settings.messages_per_page = int(data['messagesPerPage'])
|
|
if 'defaultReplyBehavior' in data:
|
|
settings.default_reply_behavior = data['defaultReplyBehavior']
|
|
if 'themePreference' in data:
|
|
settings.theme_preference = data['themePreference']
|
|
if 'autoCollectContacts' in data:
|
|
settings.auto_collect_contacts = bool(data['autoCollectContacts'])
|
|
settings.save()
|
|
return self._success()
|
|
except Exception as e:
|
|
return self._error(str(e))
|
|
|
|
# ── Image Proxy ───────────────────────────────────────────
|
|
|
|
def apiProxyImage(self):
|
|
"""Proxy external images to prevent tracking and mixed content."""
|
|
url_b64 = self.request.GET.get('url', '') or self.request.POST.get('url', '')
|
|
try:
|
|
url = base64.urlsafe_b64decode(url_b64).decode('utf-8')
|
|
except Exception:
|
|
return self._error('Invalid URL.')
|
|
|
|
if not url.startswith(('http://', 'https://')):
|
|
return self._error('Invalid URL scheme.')
|
|
|
|
try:
|
|
import urllib.request
|
|
req = urllib.request.Request(url, headers={
|
|
'User-Agent': 'CyberPanel-Webmail-Proxy/1.0',
|
|
})
|
|
with urllib.request.urlopen(req, timeout=10) as resp:
|
|
content_type = resp.headers.get('Content-Type', 'image/png')
|
|
if not content_type.startswith('image/'):
|
|
return self._error('Not an image.')
|
|
data = resp.read(5 * 1024 * 1024) # 5MB max
|
|
return HttpResponse(data, content_type=content_type)
|
|
except Exception as e:
|
|
return self._error(str(e))
|