it now works

contrib/frontends/django/nntpchan/nntpchan/frontend/models.py

@@ -62,6 +62,12 @@ class Post(models.Model):
     placeholder = models.BooleanField(default=False)
     last_bumped = models.IntegerField(default=0)
 
+    def has_attachment(self, filehash):
+        for att in self.attachments.all():
+            if att.filehash == filehash:
+                return True
+        return False
+    
     def get_all_replies(self):
         if self.is_op():
             return Post.objects.filter(reference=self.msgid).order_by('posted')

contrib/frontends/django/nntpchan/nntpchan/frontend/static/style.css

@@ -121,7 +121,8 @@ form {
 }
 
 
-.frontpage.posts {
+.posts {
+    flex-direction: column;
     width: 50%;
     padding-top: 10%;
     padding-left: 25%;

contrib/frontends/django/nntpchan/nntpchan/frontend/urls.py

@@ -8,7 +8,8 @@ urlpatterns = [
     url(r'^overchan\.(?P<name>[a-zA-Z0-9\.]+)-(?P<page>[0-9]+)\.html$', views.BoardView.as_view(), name='old-board'),
     url(r'^overchan\.(?P<name>[a-zA-Z0-9\.]+)/', views.BoardView.as_view(), name='board-alt'),
     url(r'^thread-(?P<op>[a-fA-F0-9\.]{40})\.html$', views.ThreadView.as_view(), name='old-thread'),
-    url(r'^b/(?P<name>[a-zA-Z0-9]+)/$', views.BoardView.as_view(), name='board'),
+    url(r'^b/(?P<name>[a-zA-Z0-9\.]+[a-zA-Z0-9])/$', views.BoardView.as_view(), name='board'),
     url(r'^t/(?P<op>[a-fA-F0-9\.]{40})/$', views.ThreadView.as_view(), name='thread'),
+    url(r'captcha.png', views.create_captcha, name='captcha'),
     url(r'^$', views.FrontPageView.as_view(), name='index'),
 ]

contrib/frontends/django/nntpchan/nntpchan/frontend/util.py

@@ -1,8 +1,15 @@
+from django.conf import settings
+
 import base64
 import hashlib
 import re
 
+from datetime import datetime
 import time
+import string
+import random
+import nntplib
+import email.message
 
 def hashid(msgid):
     h = hashlib.sha1()
@@ -24,3 +31,50 @@ def msgid_valid(msgid):
 def time_int(dtime):
     return time.mktime(dtime.timetuple())
     
+def randstr(l, base=string.digits):
+    r = ''
+    while l > 0:
+        r += random.choice(base)
+        l -= 1
+    return r
+
+
+def createPost(newsgroup, ref, form, files):
+    """
+    create a post and post it to a news server
+    """
+
+    msg = email.message.Message()
+    msg['Content-Type'] = 'multipart/mixed'
+    msg["Subject"] = form["subject"] or "None"
+    msg['Date'] = email.utils.format_datetime(datetime.now())
+    msg['Message-ID'] = email.utils.make_msgid(randstr(13), settings.FRONTEND_NAME)
+    if not msgid_valid(ref):
+        return None, "invalid reference: {}".format(ref)
+    msg["References"] = ref
+    msg["Newsgroups"] = newsgroup
+    msg["From"] = '{} <anon@django.nntpchan.tld>'.format(form['name'] or 'Anonymous')
+    if 'attachment' in files:
+        f = files['attachment']
+        part =  email.message.Message()
+        part['Content-Type'] = f.content_type
+        part['Content-Disposition'] = 'form-data; filename="{}"; name="attachment"'.format(f.name)
+        part['Content-Transfer-Encoding'] = 'base64'
+        part.set_payload(base64.b64encode(f.read()))
+        msg.attach(part)
+    text = email.message.Message()
+    m = '{}'.format(form['message'] or ' ')
+    text.set_payload(m)
+    text['Content-Type'] = 'text/plain'
+    msg.attach(text)
+
+    server = settings.NNTP_SERVER
+    server['readermode'] = True
+    msgid = None
+    try:
+        with nntplib.NNTP(**server) as nntp:
+            nntp.login(**settings.NNTP_LOGIN)
+            msgid = nntp.post(msg.as_bytes())
+    except Exception as e:
+        return None, e
+    return msgid, None

contrib/frontends/django/nntpchan/nntpchan/frontend/views.py

@@ -1,3 +1,4 @@
+from django.conf import settings
 from django.core.urlresolvers import reverse
 from django.http import HttpResponse, Http404
 from django.shortcuts import render, get_object_or_404
@@ -6,18 +7,40 @@ from django.views import generic
 
 from .models import Post, Newsgroup
 
+from captcha.image import ImageCaptcha
+from . import util
+
+captcha = ImageCaptcha(fonts=settings.CAPTCHA_FONTS)
+
+
 class Postable:
     """
     postable view
     checks captcha etc
     """
 
+    def context_for_get(self, request, defaults):
+        defaults['captcha'] = reverse('captcha')
+        defaults['refresh_url'] = request.path
+        return defaults
+
+    def handle_post(self, request, **kwargs):
+        """
+        handle post request, implement in subclass
+        """
+        return None, 'handle_post() not implemented'
+    
     def post(self, request, **kwargs):
         ctx = {
-            'error' : None
+            'error' : 'invalid captcha'
         }
-
+        solution = request.session['captcha']
-        
+        if solution is not None:
+            if 'captcha' in request.POST:
+                if request.POST['captcha'].lower() == solution.lower():
+                    ctx['msgid'], ctx['error'] = self.handle_post(request, **kwargs)
+        request.session['captcha'] = ''
+        request.session.save()
         
         return render(request, 'frontend/postresult.html', ctx)
 
@@ -27,6 +50,16 @@ class BoardView(generic.View, Postable):
     context_object_name = 'threads'
     model = Post
 
+    def handle_post(self, request, name):
+        """
+        make a new thread
+        """
+        name = 'overchan.{}'.format(name)
+        if not util.newsgroup_valid(name):
+            return None, "invalid newsgroup: {}".format(name)
+        return util.createPost(name, '', request.POST, request.FILES)
+
+    
     def get(self, request, name):
         page = 0
         if 'p' in request.GET:
@@ -46,20 +79,32 @@ class BoardView(generic.View, Postable):
             begin = page * group.posts_per_page
             end = begin + group.posts_per_page - 1
             roots = self.model.objects.filter(newsgroup=group, reference='').order_by('-last_bumped')[begin:end]
-            ctx = {'threads': roots, 'page': page, 'name': newsgroup}
+            ctx = self.context_for_get(request, {'threads': roots, 'page': page, 'name': newsgroup})
             if page < group.max_pages:
                 ctx['nextpage'] = reverse('board', args=[name]) + '?p={}'.format(page + 1)
             if page > 0:
                 ctx['prevpage'] = reverse('board', args=[name]) + '?p={}'.format(page - 1)
             return render(request, self.template_name, ctx)
         
-class ThreadView(generic.ListView, Postable):
+class ThreadView(generic.View, Postable):
     template_name = 'frontend/thread.html'
     model = Post
-    context_object_name = 'op'
 
-    def get_queryset(self):
+    def handle_post(self, request, op):
-        return get_object_or_404(self.model, posthash=self.kwargs['op'])
+        """
+        make a new thread
+        """
+        post = get_object_or_404(self.model, posthash=op)
+        name = post.newsgroup.name
+        if not util.newsgroup_valid(name):
+            return None, "invalid newsgroup: {}".format(name)
+        return util.createPost(name, post.msgid, request.POST, request.FILES)
+
+    
+    def get(self, request, op):
+        posts = get_object_or_404(self.model, posthash=op)
+        ctx = self.context_for_get(request, {'op': posts})
+        return render(request, self.template_name, ctx)
     
 class FrontPageView(generic.View):
     template_name = 'frontend/frontpage.html'
@@ -77,3 +122,12 @@ def modlog(request, page):
     if page is None:
         page = 0
     return HttpResponse('mod log page {}'.format(page))
+
+def create_captcha(request):
+    solution = util.randstr(7).lower()
+    request.session['captcha'] = solution
+    request.session.save()
+    c = captcha.generate(solution)
+    r =HttpResponse(c)
+    r['Content-Type'] = 'image/png'
+    return r

contrib/frontends/django/nntpchan/nntpchan/settings.py

@@ -9,7 +9,7 @@ https://docs.djangoproject.com/en/1.10/topics/settings/
 For the full list of settings and their values, see
 https://docs.djangoproject.com/en/1.10/ref/settings/
 """
-
+import glob
 import os
 
 # Build paths inside the project like this: os.path.join(BASE_DIR, ...)
@@ -133,3 +133,23 @@ MEDIA_URL = '/media/'
 # for thumbnailing 
 CONVERT_PATH = '/usr/bin/convert'
 FFMPEG_PATH = '/usr/bin/ffmpeg'
+
+
+# for captcha
+CAPTCHA_FONT_DIR = os.path.join(ASSETS_ROOT, 'fonts')
+CAPTCHA_FONTS = glob.glob(os.path.join(CAPTCHA_FONT_DIR, '*.ttf'))
+
+# for nntp server
+# see nntplib module for more info
+NNTP_SERVER = {
+    'host': '127.0.0.1',
+    'port': 1129
+}
+
+# nntp server login credentials
+NNTP_LOGIN = {
+    'user': None,
+    'password': None
+}
+
+FRONTEND_NAME = 'ebin.tld'

contrib/frontends/django/nntpchan/nntpchan/templates/frontend/base.html

@@ -8,6 +8,7 @@
     <script type="text/javascript" src="{% static 'postform.js' %}"></script>
     <script type="text/javascript" src="{% static 'banners.js' %}"></script>
     <script type="text/javascript" src="{% static 'settings.js' %}"></script>
+    {% block head %}{% endblock %}
   </head>
   <body>
     <div id="wrapper">

contrib/frontends/django/nntpchan/nntpchan/templates/frontend/postform.html

@@ -1,6 +1,6 @@
 {% load captcha %}
 <div class="postform">
-  <form id="postform" method="post" action="">
+  <form id="postform" method="post" action="" enctype="multipart/form-data">
     {% csrf_token %}
     <table class="postform">
        <tbody>
@@ -33,15 +33,7 @@
              <th>
            </th>
            <td>
-             <input class="postform_attachment" id="postform_attachments" type="file" name="attachment_uploaded" multiple />
+             <input class="postform_attachment" id="postform_attachments" type="file" name="attachment" multiple />
-           </td>
-         </tr>
-         <tr>
-          <th>
-
-           </th>
-           <td>
-             <input type="checkbox" name="dubs" />
            </td>
          </tr>
          <tr>

contrib/frontends/django/nntpchan/nntpchan/templates/frontend/postresult.html

@@ -1,9 +1,12 @@
 {% extends "frontend/base.html" %}
+{% block head %}
+<meta http-equiv="refresh" content="2; {{refresh_url}}"></meta>
+{% endblock %}
 
 {% block content %}
 
 {% if error %}
-<pre class="error"> failed to post {{error}} </pre>
+<pre class="error"> failed to post: {{error}} </pre>
 {% else %}
 {% if msgid %}
 <pre class="posted"> posted as {{msgid}} </pre>

contrib/frontends/django/nntpchan/nntpchan/templates/frontend/thread.html

@@ -5,6 +5,7 @@
 <span class="navbar_link"><a href="{{op.newsgroup.get_absolute_url}}">back to {{op.newsgroup.name}}</a></span>
 {% endblock %}
 {% block content %}
+{% include "frontend/postform.html" %}
 <div id="{{op.posthash}}" class="thread">
   <div class="post op">
     <div class="header">

contrib/frontends/django/nntpchan/nntpchan/views.py

@@ -105,6 +105,8 @@ def webhook(request):
         post.save()
 
         for att in atts:
+            if post.has_attachment(att.filehash):
+                continue
             post.attachments.add(att)
 
             

contrib/frontends/django/requirements.txt

@@ -1,2 +1,3 @@
 captcha
 django
+psycopg2