views.py 13.7 KB
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from forms import AddViolation, SearchViolation
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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
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from django.core.servers.basehttp import FileWrapper
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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 django.contrib import messages
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from django.contrib.auth.models import User
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from django.utils.translation import ugettext_lazy as _
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from django.db.models import Count
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from models import Violation, Attachment, Comment, Confirmation, COUNTRIES
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from tempfile import mkstemp
from datetime import datetime
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import hashlib, os, re, json, smtplib
from random import randint
from email.mime.text import MIMEText
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from email.header import Header
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from urlparse import urljoin
from BeautifulSoup import BeautifulSoup, Comment as BComment
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from operator import itemgetter
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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 activate(request):
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    try:
        v=Violation.objects.get(activationid=request.GET.get('key','asdf'))
    except:
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        return HttpResponse(_('Thank you, this key has been already activated'))
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    if v:
        actid = hashlib.sha1(''.join([chr(randint(32, 122)) for x in range(12)])).hexdigest()
        to=[x.email for x in User.objects.filter(groups__name='moderator')]
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        details='\n'.join(["%s: %s" % (k.capitalize(), val) for k,val in v.__dict__.items() if not k.startswith('_') and val])
        msg = MIMEText("A new report was submitted. To approve click here: %s/moderate/?key=%s\n\nDetails follow:\n%s\n%s" %
                       (settings.ROOT_URL or 'http://localhost:8001/', actid, details, v.comment_set.get().comment), _charset="utf-8")
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        msg['Subject'] = 'NNMon submission approval'.encode("Utf-8")
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        msg['From'] = 'nnmon@respectmynet.eu'
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        msg['To'] = ', '.join(to)
        s = smtplib.SMTP('localhost')
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        s.sendmail('nnmon@respectmynet.eu', to, msg.as_string())
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        s.quit()
        v.activationid=actid
        v.save()
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        messages.add_message(request, messages.INFO, _('Thank you for verifying your submission. It will be listed shortly, after we\'ve checked that the report is valid.').encode("Utf-8"))
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    return HttpResponseRedirect('/') # Redirect after POST

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def moderate(request):
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    try:
        v=Violation.objects.get(activationid=request.GET.get('key','asdf'))
    except:
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        return HttpResponse(_('Thank you, this key has been already activated'))
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    if not v:
        messages.add_message(request, messages.INFO, _('No such key'))
        return HttpResponseRedirect('/') # Redirect after POST
    if request.GET.get('action','')=='approve':
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        messages.add_message(request, messages.INFO, _('Thank you for approving the <a href="/view/%s">submission</a>.' % v.id))

        msg = MIMEText(_("Your report has been approved.\nTo see it, please visit: %s/view/%s") % (settings.ROOT_URL or 'http://localhost:8001/', v.id), _charset="utf-8")
        msg['Subject'] = Header(_('NNMon submission approved').encode("Utf-8"), 'utf-8')
        msg['From'] = 'nnmon@respectmynet.eu'
        msg['To'] = v.comment_set.get().submitter_email
        s = smtplib.SMTP('localhost')
        s.sendmail('nnmon@respectmynet.eu', [msg['To']], msg.as_string())
        s.quit()
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        if settings.TWITTER_API:
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            try:
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                settings.TWITTER_API.PostUpdate("New #NetNeutrality violation reported for %s (%s) %s %s/%s" % (v.operator, v.country, v.contract, settings.ROOT_URL or 'http://localhost:8001/', v.id))
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            except:
                pass
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        v.activationid=''
        v.save()
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        return HttpResponseRedirect('/view/%s' % v.id ) # Redirect after POST
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    if request.GET.get('action','')=='delete':
        v.delete()
        messages.add_message(request, messages.INFO, _('Thank you for deleting the submission.'))
        return HttpResponseRedirect('/') # Redirect after POST
    return render_to_response('view.html', { 'v': v, 'key': request.GET.get('key') },context_instance=RequestContext(request))

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def confirm(request, id, name=None):
    if name:
        if Confirmation.objects.filter(email=name, violation=id).count()==0:
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            msg=_("Thank you for confirming a case. To finalize your confirmation please validate using your confirmation key.\nYour confirmation key is %s/%s%s")
            actid=sendverifymail('confirm/',name, msg)
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            try:
                c=Confirmation(key=actid, email=name, violation=Violation.objects.get(pk=id))
            except:
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                return HttpResponse(unicode(_("Thank you, this has been already confirmed")))
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            c.save()
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        return HttpResponse('<div class="confirm_thanks">%s</div>' % unicode(_('Thank you for your confirmation')) )
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    try:
        c = get_object_or_404(Confirmation, key=id)
    except:
        return HttpResponse(unicode(_("Thank you, this has been already confirmed")))
    c.key=''
    c.save()
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    messages.add_message(request, messages.INFO, unicode(_('Thank you for verifying your confirmation')))
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    return HttpResponseRedirect('/') # Redirect after POST
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def sendverifymail(service,to,msg):
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    actid = hashlib.sha1(''.join([chr(randint(32, 122)) for x in range(12)])).hexdigest()
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    msg = MIMEText(msg % (settings.ROOT_URL or 'http://localhost:8001/', service, actid), _charset="utf-8")
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    msg['Subject'] = Header(_('NNMon submission verification').encode("Utf-8"), 'utf-8')
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    msg['From'] = 'nnmon@respectmynet.eu'
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    msg['To'] = Header(to.encode("Utf-8"), 'utf-8')
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    s = smtplib.SMTP('localhost')
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    s.sendmail('nnmon@respectmynet.eu', [to], msg.as_string())
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    s.quit()
    return actid

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def add(request):
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    if request.method == 'POST':
        form = AddViolation(request.POST)
        if form.is_valid():
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            msg=_("Thank you for submitting a new report. To finalize your submission please confirm using your validation key.\nYour verification key is %s/%s%s\nPlease note that reports are moderated, it might take some time before your report appears online. Thank you for your patience.")
            actid=sendverifymail('activate?key=',form.cleaned_data['email'], msg)
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            v=Violation(
                country = form.cleaned_data['country'],
                operator = form.cleaned_data['operator'],
                contract = form.cleaned_data['contract'],
                resource = form.cleaned_data['resource'],
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                resource_name = form.cleaned_data['resource_name'],
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                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'],
                activationid = actid
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                )
            v.save()
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            #c=Confirmation(key='', email=form.cleaned_data['email'], violation=v)
            #c.save()
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            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[]'):
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                a=Attachment(comment=c, name=f.name, type=f.content_type)
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                m = hashlib.sha256()
                for chunk in f.chunks():
                    m.update(chunk)
                sname=m.hexdigest()
                a.storage.save(sname,f)
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                a.save()
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            messages.add_message(request, messages.INFO, _('Thank you for submitting this report, you will receive a verification email shortly.'))
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            return HttpResponseRedirect('/') # Redirect after POST
    else:
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        form = AddViolation()
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    v_list = Violation.objects.filter(activationid='',featuredcase__isnull=False).order_by('id').reverse()[:3]
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    return render_to_response(
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        'index.html',
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        { 'form': form,
          'violations': v_list },
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        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,activationid='')])))))
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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,activationid='',operator=operator)])))))
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def index(request):
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    v_list = Violation.objects.filter(activationid='',featuredcase__isnull=False).order_by('id').reverse()[:3]
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    form = AddViolation()

    return render_to_response(
        'index.html',
        { 'form': form,
          'violations': v_list },
        context_instance=RequestContext(request))
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def filter_violations(request, country, operator=None):
    if country not in map(itemgetter(0),COUNTRIES):
        raise Http404
    if not operator:
        violations = Violation.objects.filter(activationid='', country=country)
    else:
        violations = Violation.objects.filter(activationid='', country=country, operator=operator)
    return render_to_response('list.html', {"violations": violations},context_instance=RequestContext(request))
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def list_violations(request):
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    violations = Violation.objects.filter(activationid='')
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    countries=sorted([(i['total'],i['country'])
                      for i in Violation.objects.values('country').filter(activationid='').annotate(total=Count('country'))],
                     reverse=True)
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    legend=sorted(set([(w, "rgba(255,%d, 00, 0.4)" % (w*768/(countries[0][0]+1)%256)) for w,c in countries]),reverse=True)
    countrycolors=json.dumps(dict([(c.lower(),"#ff%02x00" % (w*768/(countries[0][0]+1)%256)) for w,c in countries]))
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    tmp=sorted(set([w for w, c in countries]),reverse=True)
    legend=[]
    countrycolors={}
    tmpd={}
    itemspercol=len(tmp)/4
    for w,c in countries:
        if w not in tmpd.keys():
            if len(tmpd.keys())>=itemspercol and len(legend)<3:
                countrycolors.update([(c1.lower(), "#ff%02x00" % (68*(4-len(legend)) if len(legend) else 255)) for w1 in tmpd.keys() for c1 in tmpd[w1]])
                legend.append(("%s - %s" % (max(tmpd.keys()),min(tmpd.keys())), len(legend)))
                tmpd={w: [c]}
            else:
                tmpd[w]=[c]
        else:
            tmpd[w].append(c)
    if tmpd:
        countrycolors.update([(c1.lower(), "#ff%02x00" % (68*(4-len(legend)))) for w1 in tmpd.keys() for c1 in tmpd[w1]])
        legend.append(("%s - %s" % (max(tmpd.keys()),min(tmpd.keys())), len(legend)))
    countrycolors=json.dumps(countrycolors)
    #legend=sorted(set([(w, "rgba(255,%d, 00, 0.4)" % (w*768/(countries[0][0]+1)%256)) for w,c in countries]),reverse=True)
    #countrycolors=json.dumps(dict([(c.lower(),"#ff%02x00" % (w*768/(countries[0][0]+1)%256)) for w,c in countries]))
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    #confirms=sorted([(i['total'],i['country'])
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    #                 for i in Violation.objects.values('country').filter(activationid='').annotate(total=Count('confirmation'))
    #                 if i['total']>1],
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    #                reverse=True)
    return render_to_response('list.html',
                              {"violations": violations,
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                               "countries": dict([(y,x) for x,y in countries]),
                               "countrycolors": countrycolors,
                               "legend": legend,},
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                               #"confirms": confirms,},
                              context_instance=RequestContext(request))
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def view(request,id):
    v = get_object_or_404(Violation, pk=id)
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    if v.activationid:
        raise Http404
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    return render_to_response('view.html', { 'v': v, },context_instance=RequestContext(request))
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def get_attach(request,id):
    f = get_object_or_404(Attachment, pk=id)
    wrapper = FileWrapper(f.storage)
    response=HttpResponse(wrapper, mimetype=f.type)
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    response['Content-Disposition'] = 'attachment; filename="%s"' % f.name
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    response['Content-Length'] = f.storage.size
    return response

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def lookup(request):
    if request.method == 'GET':
        form = SearchViolation(request.GET)
        if form.is_valid():
            v=Violation.objects.filter(
                country = form.cleaned_data['country'],
                operator = form.cleaned_data['operator'],
                contract = form.cleaned_data['contract'],
                media = form.cleaned_data['media'],
                activationid = ''
                )
            res=json.dumps(sorted([(x.id,x.resource_name) for x in v],reverse=True))
            return HttpResponse(res)
    return HttpResponse('')