tox dns update

docs/install.md

@@ -9,11 +9,12 @@
 
 1. [Download and install latest Python 3.4](https://www.python.org/downloads/windows/)
 2. [Install PySide](https://pypi.python.org/pypi/PySide/1.2.4) (recommended) or [PyQt4](https://riverbankcomputing.com/software/pyqt/download)
-3. Install PyAudio: ``pip3 install pyaudio``
-4. [Download toxygen](https://github.com/xveduk/toxygen/archive/master.zip)
-5. Unpack archive  
-6. Download latest libtox.dll build, download latest libsodium.a build, put it into \src\libs\
-7. Run \src\main.py
+3. Install PyAudio: ``pip3.4 install pyaudio``
+4. Install PySocks: ``pip3.4 install PySocks``
+5. [Download toxygen](https://github.com/xveduk/toxygen/archive/master.zip)
+6. Unpack archive  
+7. Download latest libtox.dll build, download latest libsodium.a build, put it into \src\libs\
+8. Run \src\main.py
 
 [libtox.dll for 32-bit Python](https://build.tox.chat/view/libtoxcore/job/libtoxcore_build_windows_x86_shared_release/lastSuccessfulBuild/artifact/libtoxcore_build_windows_x86_shared_release.zip)
 
@@ -30,19 +31,15 @@ Dependencies:
 
 1. Install latest Python3.4: 
 ``sudo apt-get install python3``
-2. [Install PySide](https://wiki.qt.io/PySide_Binaries_Linux) (recommended) or [PyQt4](https://riverbankcomputing.com/software/pyqt/download)
+2. [Install PySide](https://wiki.qt.io/PySide_Binaries_Linux) (recommended), using terminal - ``sudo apt-get install python3-pyside``, or install [PyQt4](https://riverbankcomputing.com/software/pyqt/download).
 3. Install [toxcore](https://github.com/irungentoo/toxcore/blob/master/INSTALL.md) with toxav support in your system (install in /usr/lib/)
 4. Install PyAudio: 
-```bash
-sudo apt-get install portaudio19-dev
-sudo apt-get install python3-pyaudio
-```
-Toxygen:
-
-1. [Download toxygen](https://github.com/xveduk/toxygen/archive/master.zip)
-2. Unpack archive 
-3. Run app:
-``python3 main.py``
+``sudo apt-get install portaudio19-dev`` and ``sudo apt-get install python3-pyaudio``
+5. Install PySocks: ``pip3.4 install PySocks``
+6. [Download toxygen](https://github.com/xveduk/toxygen/archive/master.zip)
+7. Unpack archive 
+8. Run app:
+``python3.4 main.py``
 
 ## Compile Toxygen
 Check [compile.md](/docs/compile.md) for more info

src/tox_dns.py

@@ -1,6 +1,7 @@
 import json
 import urllib.request
 from util import log
+import settings
 
 
 def tox_dns(email):
@@ -11,16 +12,42 @@ def tox_dns(email):
     """
     site = email.split('@')[1]
     data = {"action": 3, "name": "{}".format(email)}
-    for url in ('https://{}/api'.format(site), 'http://{}/api'.format(site)):
+    urls = ('https://{}/api'.format(site), 'http://{}/api'.format(site))
+    s = settings.Settings.get_instance()
+    if s['proxy_type'] != 2:  # no proxy or http proxy
+        proxy = s['proxy_host'] + ':' + s['proxy_port'] if s['proxy_type'] else None
+        for url in urls:
+            try:
+                return send_request(url, data, proxy)
+            except Exception as ex:
+                log('TOX DNS ERROR: ' + str(ex))
+    else:  # SOCKS5 proxy
         try:
-            return send_request(url, data)
-        except Exception as ex:  # try http
-            log('TOX DNS ERROR: ' + str(ex))
+            import socks
+            import socket
+            import requests
+
+            socks.set_default_proxy(socks.SOCKS5, s['proxy_host'], s['proxy_port'])
+            socket.socket = socks.socksocket
+            for url in urls:
+                try:
+                    r = requests.get(url)
+                    res = json.loads(r.text)
+                    if not res['c']:
+                        return res['tox_id']
+                    else:
+                        raise LookupError()
+                except Exception as ex:
+                    log('TOX DNS ERROR: ' + str(ex))
+        except:
+            pass
     return None  # error
 
 
-def send_request(url, data):
+def send_request(url, data, proxy):
     req = urllib.request.Request(url)
+    if proxy is not None:
+        req.set_proxy(proxy, 'http')
     req.add_header('Content-Type', 'application/json')
     response = urllib.request.urlopen(req, bytes(json.dumps(data), 'utf-8'))
     res = json.loads(str(response.read(), 'utf-8'))