Merge pull request #284 from massanchik/master

Socks proxy support

docs/configuration.rst

@@ -39,4 +39,6 @@ Before django-helpdesk will be much use, you need to do some basic configuration
        EMAIL_HOST_USER = 'YYYYYY@ZZZZ.PPP'
        EMAIL_HOST_PASSWORD = '123456'
 
+8. If you wish to use SOCKS4/5 proxy with Helpdesk Queue email operations, install PySocks manually.
+
 You're now up and running! Happy ticketing.

helpdesk/management/commands/get_email.py

@@ -15,6 +15,7 @@
 import mimetypes
 import poplib
 import re
+import socket
 
 from datetime import timedelta
 from email.header import decode_header
@@ -84,6 +85,22 @@ def process_queue(q, quiet=False):
     if not quiet:
         print "Processing: %s" % q
 
+    if q.socks_proxy_type and q.socks_proxy_host and q.socks_proxy_port:
+        try:
+            import socks
+        except ImportError:
+            raise ImportError("Queue has been configured with proxy settings, but no socks library was installed. Try to install PySocks via pypi.")
+
+        proxy_type = {
+            'socks4': socks.SOCKS4,
+            'socks5': socks.SOCKS5,
+        }.get(q.socks_proxy_type)
+
+        socks.set_default_proxy(proxy_type=proxy_type, addr=q.socks_proxy_host, port=q.socks_proxy_port)
+        socket.socket = socks.socksocket
+    else:
+        socket.socket = socket._socketobject
+
     email_box_type = settings.QUEUE_EMAIL_BOX_TYPE if settings.QUEUE_EMAIL_BOX_TYPE else q.email_box_type
 
     if email_box_type == 'pop3':

helpdesk/migrations/0002_socks_proxy.py

@@ -0,0 +1,32 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('helpdesk', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='queue',
+            name='socks_proxy_host',
+            field=models.GenericIPAddressField(help_text='Socks proxy IP address. Default: 127.0.0.1', null=True, verbose_name='Socks Proxy Host', blank=True),
+            preserve_default=True,
+        ),
+        migrations.AddField(
+            model_name='queue',
+            name='socks_proxy_port',
+            field=models.IntegerField(help_text='Socks proxy port number. Default: 9150 (default TOR port)', null=True, verbose_name='Socks Proxy Port', blank=True),
+            preserve_default=True,
+        ),
+        migrations.AddField(
+            model_name='queue',
+            name='socks_proxy_type',
+            field=models.CharField(choices=[(b'socks4', 'SOCKS4'), (b'socks5', 'SOCKS5')], max_length=8, blank=True, help_text='SOCKS4 or SOCKS5 allows you to proxy your connections through a SOCKS server.', null=True, verbose_name='Socks Proxy Type'),
+            preserve_default=True,
+        ),
+    ]

helpdesk/models.py

@@ -178,6 +178,29 @@ class Queue(models.Model):
         # This is updated by management/commands/get_mail.py.
         )
 
+    socks_proxy_type = models.CharField(
+        _('Socks Proxy Type'),
+        max_length=8,
+        choices=(('socks4', _('SOCKS4')), ('socks5', _('SOCKS5'))),
+        blank=True,
+        null=True,
+        help_text=_('SOCKS4 or SOCKS5 allows you to proxy your connections through a SOCKS server.'),
+    )
+
+    socks_proxy_host = models.GenericIPAddressField(
+        _('Socks Proxy Host'),
+        blank=True,
+        null=True,
+        help_text=_('Socks proxy IP address. Default: 127.0.0.1'),
+    )
+
+    socks_proxy_port = models.IntegerField(
+        _('Socks Proxy Port'),
+        blank=True,
+        null=True,
+        help_text=_('Socks proxy port number. Default: 9150 (default TOR port)'),
+    )
+
     def __unicode__(self):
         return u"%s" % self.title
 
@@ -202,6 +225,15 @@ def save(self, *args, **kwargs):
         if self.email_box_type == 'imap' and not self.email_box_imap_folder:
             self.email_box_imap_folder = 'INBOX'
 
+        if self.socks_proxy_type:
+            if not self.socks_proxy_host:
+                self.socks_proxy_host = '127.0.0.1'
+            if not self.socks_proxy_port:
+                self.socks_proxy_port = 9150
+        else:
+            self.socks_proxy_host = None
+            self.socks_proxy_port = None
+
         if not self.email_box_port:
             if self.email_box_type == 'imap' and self.email_box_ssl:
                 self.email_box_port = 993