views.py 3.99 KB
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from forms import AddViolation
from django.http import HttpResponse, HttpResponseRedirect, Http404
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from django.shortcuts import render_to_response, get_object_or_404
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from django.template import RequestContext
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from django.core.files import File
from django.conf import settings
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from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
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from django.core.exceptions import ObjectDoesNotExist
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from models import Violation, Attachment, Comment
from tempfile import mkstemp
from datetime import datetime
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import hashlib, os, re, json
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from urlparse import urljoin
from BeautifulSoup import BeautifulSoup, Comment as BComment

def sanitizeHtml(value, base_url=None):
    rjs = r'[\s]*(&#x.{1,7})?'.join(list('javascript:'))
    rvb = r'[\s]*(&#x.{1,7})?'.join(list('vbscript:'))
    re_scripts = re.compile('(%s)|(%s)' % (rjs, rvb), re.IGNORECASE)
    validTags = 'p i strong b u a h1 h2 h3 pre br img'.split()
    validAttrs = 'href src width height'.split()
    urlAttrs = 'href src'.split() # Attributes which should have a URL
    soup = BeautifulSoup(value)
    for comment in soup.findAll(text=lambda text: isinstance(text, BComment)):
        # Get rid of comments
        comment.extract()
    for tag in soup.findAll(True):
        if tag.name not in validTags:
            tag.hidden = True
        attrs = tag.attrs
        tag.attrs = []
        for attr, val in attrs:
            if attr in validAttrs:
                val = re_scripts.sub('', val) # Remove scripts (vbs & js)
                if attr in urlAttrs:
                    val = urljoin(base_url, val) # Calculate the absolute url
                tag.attrs.append((attr, val))

    return soup.renderContents().decode('utf8')
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def add(request):
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    if request.method == 'POST':
        form = AddViolation(request.POST)
        if form.is_valid():
            v=Violation(
                country = form.cleaned_data['country'],
                operator = form.cleaned_data['operator'],
                contract = form.cleaned_data['contract'],
                resource = form.cleaned_data['resource'],
                type = form.cleaned_data['type'],
                media = form.cleaned_data['media'],
                temporary = form.cleaned_data['temporary'],
                contractual = form.cleaned_data['contractual'],
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                contract_excerpt = sanitizeHtml(form.cleaned_data['contract_excerpt']),
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                loophole = form.cleaned_data['loophole']
                )
            v.save()
            c = Comment(
                comment=form.cleaned_data['comment'],
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                submitter_email=form.cleaned_data['email'],
                submitter_name=form.cleaned_data['nick'],
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                timestamp=datetime.now(),
                violation=v,
                )
            c.save()
            for f in request.FILES.getlist('attachments[]'):
                a=Attachment(comment=c)
                a.storage.save(f.name,f)
                a.save()
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            return HttpResponseRedirect('/') # Redirect after POST
    else:
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        form = AddViolation()
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    return render_to_response(
        'add.html',
        { 'form': form, },
        context_instance=RequestContext(request))
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def ajax(request, country=None, operator=None):
    if not operator:
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        return HttpResponse(json.dumps(sorted(list(set([x.operator for x in Violation.objects.filter(country=country)])))))
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    else:
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        return HttpResponse(json.dumps(sorted(list(set([x.contract for x in Violation.objects.filter(country=country).filter(operator=operator)])))))
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def index(request):
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    v_list = Violation.objects.all()
    paginator = Paginator(v_list, 25)

    page = request.GET.get('page','1')
    try:
        violations = paginator.page(page)
    except PageNotAnInteger:
        violations = paginator.page(1)
    except EmptyPage:
        violations = paginator.page(paginator.num_pages)

    return render_to_response('list.html', {"violations": violations})
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def view(request,id):
    v = get_object_or_404(Violation, pk=id)
    return render_to_response('view.html', { 'v': v, })