views.py 12.2 KB
Newer Older
1
# Django Imports
2
from django.conf import settings
3
from django.http import HttpResponseServerError  # Http404
4
from django.utils import timezone
5
from django.core.exceptions import PermissionDenied  # ValidationError
6
from django.core.mail import send_mail, EmailMessage
7
from django.contrib.auth import REDIRECT_FIELD_NAME
David Haynes's avatar
David Haynes committed
8
from django.contrib.auth.models import User
9
from django.contrib.auth.decorators import user_passes_test, login_required
Jean Michel Rouly's avatar
Jean Michel Rouly committed
10
from django.shortcuts import render, get_object_or_404, redirect
11

12 13 14 15 16 17
# App Imports
from go.models import URL, RegisteredUser
from go.forms import URLForm, SignupForm

# Other Imports
from datetime import timedelta
Jean Michel Rouly's avatar
Jean Michel Rouly committed
18

Jean Michel Rouly's avatar
Jean Michel Rouly committed
19
def index(request):
Jean Michel Rouly's avatar
Jean Michel Rouly committed
20 21 22 23 24 25 26
    """
    This view handles the homepage that the user is presented with when
    they request '/'. If they're not logged in, they're redirected to
    login. If they're logged in but not registered, they're given the
    not_registered error page. If they are logged in AND registered, they
    get the URL registration form.
    """
Jean Michel Rouly's avatar
Jean Michel Rouly committed
27

28 29 30
    # If the user is not authenticated, show them a public landing page.
    if not request.user.is_authenticated():
        return render(request, 'public_landing.html')
31 32
    # If the user isn't approved, don't give them any leeway.
    elif not request.user.registereduser.approved:
33 34
        return render(request, 'not_registered.html')

35
    url_form = URLForm(host=request.META.get('HTTP_HOST'))  # unbound form
36 37

    if request.method == 'POST':
38
        url_form = URLForm(request.POST, host=request.META.get('HTTP_HOST'))  # bind dat form
39 40
        if url_form.is_valid():

Jean Michel Rouly's avatar
Jean Michel Rouly committed
41 42
            # We don't commit the url object yet because we need to add its
            # owner, and parse its date field.
43
            url = url_form.save(commit=False)
44
            url.owner = request.user.registereduser
45

Jean Michel Rouly's avatar
Jean Michel Rouly committed
46
            # If the user entered a short url, it's already been validated,
Jean Michel Rouly's avatar
Jean Michel Rouly committed
47 48
            # so accept it. If they did not, however, then generate a
            # random one and use that instead.
49
            short = url_form.cleaned_data.get('short').strip()
50 51 52
            if len(short) > 0:
                url.short = short
            else:
53 54 55 56 57 58
                # If the user didn't enter a short url, generate a random
                # one. However, if a random one can't be generated, return
                # a 500 server error.
                random_short = URL.generate_valid_short()
                if random_short is None:
                    return HttpResponseServerError(
David Haynes's avatar
David Haynes committed
59
                        render(request, 'admin/500.html', {})
60 61 62
                    )
                else:
                    url.short = random_short
63

Jean Michel Rouly's avatar
Jean Michel Rouly committed
64 65 66
            # Grab the expiration field value. It's currently an unsable
            # string value, so we need to parse it into a datetime object
            # relative to right now.
67
            expires = url_form.cleaned_data.get('expires')
68 69 70 71 72 73 74

            if expires == URLForm.DAY:
                url.expires = timezone.now() + timedelta(days=1)
            elif expires == URLForm.WEEK:
                url.expires = timezone.now() + timedelta(weeks=1)
            elif expires == URLForm.MONTH:
                url.expires = timezone.now() + timedelta(weeks=3)
Matthew Rodgers's avatar
Matthew Rodgers committed
75 76
            elif expires == URLForm.CUSTOM:
                url.expires = url_form.cleaned_data.get('expires_custom')
77
            else:
78
                pass  # leave the field NULL
79

Jean Michel Rouly's avatar
Jean Michel Rouly committed
80 81
            # Make sure that our new URL object is clean, then save it and
            # let's redirect to view this baby.
82 83
            url.full_clean()
            url.save()
Jean Michel Rouly's avatar
Jean Michel Rouly committed
84
            return redirect('view', url.short)
85

86
    return render(request, 'core/index.html', {
87
        'form': url_form,
Jean Michel Rouly's avatar
Jean Michel Rouly committed
88 89 90
    },
    )

Jean Michel Rouly's avatar
Jean Michel Rouly committed
91

Jean Michel Rouly's avatar
Jean Michel Rouly committed
92
def view(request, short):
Jean Michel Rouly's avatar
Jean Michel Rouly committed
93 94 95 96 97
    """
    This view allows the user to view details about a URL. Note that they
    do not need to be logged in to view info.
    """

Nicholas Anderson's avatar
Nicholas Anderson committed
98
    domain = "%s://%s" % (request.scheme, request.META.get('HTTP_HOST')) + "/"
99

100
    url = get_object_or_404(URL, short__iexact=short)
101

Jean Michel Rouly's avatar
Jean Michel Rouly committed
102
    return render(request, 'view.html', {
103
        'url': url,
104
        'domain': domain,
105 106 107
    },
    )

Jean Michel Rouly's avatar
Jean Michel Rouly committed
108

109
@login_required
110
def my_links(request):
Jean Michel Rouly's avatar
Jean Michel Rouly committed
111 112 113 114 115
    """
    This view displays all the information about all of your URLs. You
    obviously need to be logged in to view your URLs.
    """

116
    if not request.user.registereduser.approved:
117
        return render(request, 'not_registered.html')
Jean Michel Rouly's avatar
Jean Michel Rouly committed
118

119
    urls = URL.objects.filter(owner=request.user.registereduser)
120

121
    domain = "%s://%s" % (request.scheme, request.META.get('HTTP_HOST')) + "/"
122

123
    return render(request, 'my_links.html', {
124 125
        'urls': urls,
        'domain': domain,
126 127 128
    },
    )

Jean Michel Rouly's avatar
Jean Michel Rouly committed
129

130
@login_required
131
def delete(request, short):
Jean Michel Rouly's avatar
Jean Michel Rouly committed
132 133 134 135 136
    """
    This view deletes a URL if you have the permission to. User must be
    logged in and registered, and must also be the owner of the URL.
    """

137
    if not request.user.registereduser.approved:
138
        return render(request, 'not_registered.html')
Jean Michel Rouly's avatar
Jean Michel Rouly committed
139

140
    url = get_object_or_404(URL, short__iexact=short)
141
    if url.owner == request.user.registereduser:
142
        url.delete()
143 144
        return redirect('my_links')
    else:
145
        raise PermissionDenied()
146

Jean Michel Rouly's avatar
Jean Michel Rouly committed
147

148
@login_required
Jean Michel Rouly's avatar
Jean Michel Rouly committed
149
def signup(request):
Jean Michel Rouly's avatar
Jean Michel Rouly committed
150
    """
151
    This view presents the user with a registration form. You can register yourself.
Jean Michel Rouly's avatar
Jean Michel Rouly committed
152
    """
153 154
    # Do not display signup page to registered or approved users
    if request.user.registereduser.approved:
David Haynes's avatar
David Haynes committed
155
        return redirect('/')
156
    elif request.user.registereduser.registered:
David Haynes's avatar
David Haynes committed
157
        return redirect('registered')
158

159 160 161
    signup_form = SignupForm(request,
        initial={'full_name': request.user.first_name + " " + request.user.last_name})
    signup_form.fields['full_name'].widget.attrs['readonly'] = 'readonly'
Jean Michel Rouly's avatar
Jean Michel Rouly committed
162 163

    if request.method == 'POST':
164 165 166
        signup_form = SignupForm(request, request.POST, instance=request.user.registereduser,
            initial={'full_name': request.user.first_name + " " + request.user.last_name})
        signup_form.fields['full_name'].widget.attrs['readonly'] = 'readonly'
167

168 169
        if signup_form.is_valid():
            description = signup_form.cleaned_data.get('description')
170
            full_name = signup_form.cleaned_data.get('full_name')
171
            organization = signup_form.cleaned_data.get('organization')
172
            registered = signup_form.cleaned_data.get('registered')
173

174 175
            # Only send mail if we've defined the mailserver
            if settings.EMAIL_HOST and settings.EMAIL_PORT:
176
                user_mail = request.user.username + settings.EMAIL_DOMAIN
177
                # Email sent to notify Admins
178
                to_admin = EmailMessage(
179
                    'Signup from %s' % (request.user.registereduser.user),
180 181 182 183 184
                    ######################
                    '%s signed up at %s\n\n'
                    'Username: %s\n'
                    'Organization: %s\n\n'
                    'Message: %s\n\n'
185 186
                    'You can contact the user directly by replying to this email or '
                    'reply all to contact the user and notfiy the mailing list.\n'
187 188 189
                    'Please head to go.gmu.edu/useradmin to approve or '
                    'deny this application.'
                    % (str(full_name), str(timezone.now()).strip(),
190
                    str(request.user.registereduser.user), str(organization), str(description)),
191 192
                    ######################
                    settings.EMAIL_FROM,
193 194
                    [settings.EMAIL_TO],
                    reply_to=[user_mail]
195
                ).send()
196
                # Confirmation email sent to Users
197
                send_mail(
198 199 200 201 202 203 204 205 206 207 208 209 210
                    'We have received your Go application!',
                    ######################
                    'Hey there %s,\n\n'
                    'The Go admins have received your application and are '
                    'currently in the process of reviewing it.\n\n'
                    'You will receive another email when you have been '
                    'approved.\n\n'
                    '- Go Admins'
                    % (str(full_name)),
                    ######################
                    settings.EMAIL_FROM,
                    [user_mail]
                )
211

212
            signup_form.save()
213
            return redirect('registered')
Jean Michel Rouly's avatar
Jean Michel Rouly committed
214

215
    return render(request, 'core/signup.html', {
216
        'form': signup_form,
217
        'registered': False,
Jean Michel Rouly's avatar
Jean Michel Rouly committed
218 219
    },
    )
Jean Michel Rouly's avatar
Jean Michel Rouly committed
220

Jean Michel Rouly's avatar
Jean Michel Rouly committed
221

Jean Michel Rouly's avatar
Jean Michel Rouly committed
222
def redirection(request, short):
Jean Michel Rouly's avatar
Jean Michel Rouly committed
223 224 225
    """
    This view redirects a user based on the short URL they requested.
    """
Jean Michel Rouly's avatar
Jean Michel Rouly committed
226

227
    url = get_object_or_404(URL, short__iexact=short)
Jean Michel Rouly's avatar
Jean Michel Rouly committed
228
    url.clicks = url.clicks + 1
229

230 231
    domain = "%s://%s" % (request.scheme, request.META.get('HTTP_HOST')) + "/"
    if url.target == domain + short:
David Haynes's avatar
David Haynes committed
232
        return redirect('admin/404.html')
233

234 235 236 237 238 239
    if 'qr' in request.GET:
        url.qrclicks += 1

    if 'social' in request.GET:
        url.socialclicks += 1

Jean Michel Rouly's avatar
Jean Michel Rouly committed
240
    url.save()
241

Jean Michel Rouly's avatar
Jean Michel Rouly committed
242 243 244 245 246
    """
    Include server-side tracking because there is no template displayed to
    the user which would include javascript tracking.
    """

247 248
    from piwikapi.tracking import PiwikTracker
    from django.conf import settings
249
    # First, if PIWIK variables are undefined, don't try to push
250
    if settings.PIWIK_SITE_ID != "" and settings.PIWIK_URL != "":
251 252 253 254 255 256 257
        try:
            piwiktracker = PiwikTracker(settings.PIWIK_SITE_ID, request)
            piwiktracker.set_api_url(settings.PIWIK_URL)
            piwiktracker.do_track_page_view('Redirect to %s' % url.target)
        # Second, if we do get an error, don't let that keep us from redirecting
        except:
            pass
258

259
    return redirect(url.target)
Jean Michel Rouly's avatar
Jean Michel Rouly committed
260 261


262
def staff_member_required(view_func, redirect_field_name=REDIRECT_FIELD_NAME, login_url='/'):
263 264 265 266 267 268 269 270 271 272 273 274
    """
    Decorator for views that checks that the user is logged in and is a staff
    member, displaying the login page if necessary.
    """
    return user_passes_test(
        lambda u: u.is_active and u.is_staff,
        login_url=login_url,
        redirect_field_name=redirect_field_name
    )(view_func)


@staff_member_required
Chris Reffett's avatar
Chris Reffett committed
275
def useradmin(request):
276 277 278 279 280
    """
    This view is a simplified admin panel, so that staff don't need to log in
    to approve links
    """
    if request.POST:
281
        userlist = request.POST.getlist('username')
282
        if '_approve' in request.POST:
283
            for name in userlist:
284
                toapprove = RegisteredUser.objects.get(user__username__exact=name)
285 286
                toapprove.approved = True
                toapprove.save()
287
                if settings.EMAIL_HOST and settings.EMAIL_PORT:
288
                    user_mail = toapprove.user.username + settings.EMAIL_DOMAIN
289 290 291 292 293 294 295 296 297 298 299 300 301
                    send_mail(
                        'Your Account has been Approved!',
                        ######################
                        'Hey there %s,\n\n'
                        'The Go admins have reviewed your application and have '
                        'approved you to use Go!\n\n'
                        'Head over to go.gmu.edu to create your first address.\n\n'
                        '- Go Admins'
                        % (str(toapprove.full_name)),
                        ######################
                        settings.EMAIL_FROM,
                        [user_mail]
                    )
302
        elif '_deny' in request.POST:
303
            for name in userlist:
304
                todeny = RegisteredUser.objects.get(user__username__exact=name)
305
                if settings.EMAIL_HOST and settings.EMAIL_PORT:
306
                    user_mail = todeny.user.username + settings.EMAIL_DOMAIN
307 308 309 310 311 312 313 314 315 316 317 318 319 320
                    send_mail(
                        'Your Account has been Denied!',
                        ######################
                        'Hey there %s,\n\n'
                        'The Go admins have reviewed your application and have '
                        'decided to not approve you to use Go.\n\n'
                        'Please reach out to srct@gmu.edu to appeal '
                        'this decision.\n\n'
                        '- Go Admins'
                        % (str(todeny.full_name)),
                        ######################
                        settings.EMAIL_FROM,
                        [user_mail]
                    )
321 322
                todeny.user.delete()
    need_approval = RegisteredUser.objects.filter(registered=True).filter(approved=False)
323
    return render(request, 'admin/useradmin.html', {
324 325 326
        'need_approval': need_approval
    },
    )