def download_page(request):
"Displays a page with a link to download a file, or redirects to the download itself."
# The friendly download link isn't necessarily part of a story, but is good functionality atleast for our use
if 'fileid' not in request.GET:
return render_error(request, "You did not specify which file to download.", 'filelist.html')
# displays filelist upon error
file_id = request.GET['fileid']
try:
file_entry = MediaFile.objects.get(file_id=file_id)
except MediaFile.DoesNotExist:
# Essentially a 404, what else could we do with the return?
return render_error(request, "Not Found: The file you are trying to download does not exist.", status=404)
if file_entry.user_id != user.get_user_id():
# Essentially a 403
return render_error(request, "Forbidden: You are trying to access a file that you didn't upload.", status=403)
key = 'u/'+file_id
# Increment view count
MediaFile.objects.filter(file_id=file_id).update(view_count=F("view_count")+1)
# Sign a URL for the user
url = s3util.sign_url('s3.mediasnak.com', key, expiry=60, format=s3util.URL_CUSTOM)
# Redirect user to the calculated S3 download link
return redirect(url)
def get_thumbnail(request):
# most of this is copied from the download page above
if 'fileid' not in request.GET:
return render_error(request, "You did not specify a file.", 'filelist.html')
# displays filelist upon error
file_id = request.GET['fileid']
try:
file_entry = MediaFile.objects.get(file_id=file_id)
except MediaFile.DoesNotExist:
# Essentially a 404, what else could we do with the return?
return render_error(request, "Not Found: The thumbnail you are trying to access does not exist.", status=404)
if file_entry.user_id != user.get_user_id():
# Essentially a 403
return render_error(request, "Forbidden: You are trying to access a thumbnail for file that you didn't upload.", status=403)
if not file_entry.has_thumb:
#TODO: Return correct type of thumbnail based on content-type or category
if file_entry.category in ('image', 'video', 'audio'):
return redirect('/static/%s_thumb.png' % (file_entry.category,))
return redirect('/static/generic_thumb.png')
key = 't/'+file_id
# Sign a URL for the user
url = s3util.sign_url('s3.mediasnak.com', key, expiry=60, format=s3util.URL_CUSTOM)
# Redirect user to the calculated S3 download link
return redirect(url)