def wrapper_func(request, *args, **kwargs):
method_args = request.GET if request.method == 'GET' else request.POST
default_enc = 'json'
parsed_required_args = []
for required_arg in required_args:
(required_arg, type, default_value) = parse_required_arg(required_arg)
parsed_required_args.append([required_arg, type, default_value])
if required_arg == 'enc':
default_enc = default_value
enc = method_args.get('enc', default_enc)
# Checking method.
if method and request.method != method:
return error_response.create(enc, '%s method not allowed.' % request.method)
transformed_values = {}
try:
# Checking required arguments.
for (required_arg, type, default_value) in parsed_required_args:
if default_value == None and \
not required_arg in method_args and \
not required_arg in kwargs:
return error_response.create(enc, 'Missing required field %s.' % required_arg)
try:
value = method_args.get(required_arg, kwargs.get(required_arg, default_value))
new_name = required_arg
if type in transformers.transform_funcs:
(new_name, value) = transformers.transform_funcs[type](request, value)
if required_arg in transformers.transform_funcs:
(new_name, value) = \
transformers.transform_funcs[required_arg](request, value)
args += (value,)
transformed_values[new_name or required_arg] = value
except transformers.TransformError, (errMessage):
return error_response.create(enc, str(errMessage))
# Checking permissions
for permission in permissions:
if not permissionscheckers.permission_funcs[permission](request,
method_args,
transformed_values):
return error_response.create(enc, 'Does not have %s permission.' % permission \
if localsettings.DEBUG \
else 'Permission violation')
def get_post_token_value(request):
from django.contrib.csrf.middleware import _make_token
from flowgram.core import log
try:
session_id = request.COOKIES[settings.SESSION_COOKIE_NAME]
except KeyError:
log.critical("get_post_token found no sessionid for authenticated user %s" % request.user)
return error_response.create(get(request, 'enc', 'json'), 'Session cookie required')
return _make_token(session_id)
def file_upload(request):
# Uses GET parameters instead of POST for passing data, handled by Flex.
file = request.FILES['file']
content = file['content']
content_type = file['content-type']
filename = file['filename']
filetype = request.GET.get('filetype', '')
enc = request.GET.get('enc', 'json')
flowgram_id = request.GET.get('flowgram_id')
flowgram = get_object_or_404(models.Flowgram, id=flowgram_id) \
if flowgram_id \
else controller.get_working_flowgram(request.user)
if not permissions.can_edit(request.user, flowgram):
return error_response.create(enc, 'Does not have edit_flowgram permission.' \
if localsettings.DEBUG \
else 'Permission violation')
if filetype == 'image' or content_type.startswith('image'):
return handle_file_upload_image(enc, content, content_type, filetype, filename, flowgram)
elif filetype in DOC_TYPE_EXTENSIONS:
return handle_file_upload_doc(enc, content, content_type, filetype, filename, flowgram)
elif filetype == 'media':
page = None
try:
page_id = request.GET.get('page_id')
page = models.Page.objects.get(id=page_id)
except:
pass
if page and not permissions.can_edit(request.user, page):
return error_response.create(enc, 'Does not have edit_page permission.' \
if localsettings.DEBUG \
else 'Permission violation')
return handle_file_upload_media(enc, content, content_type, filetype, filename, \
page or flowgram)
else:
return error_response.create(enc, 'Unsupported file type')
def save_custom_page(request, enc, flowgram, content):
page_id = request.POST.get('page_id', '')
page = models.Page.objects.get(id=page_id) if page_id else None
user = flowgram.owner
if page:
# If editing an existing page.
# Checking to make sure the page belongs to the specified Flowgram.
if not page.flowgram == flowgram:
return error_response.create(
enc,
'The specified page does not belong to the specified Flowgram.')
html = render_to_string('blankpages/view.html', {'html': content,
'user': user})
controller.set_page_contents(page, html, sethl=True)
# This try..except block is used for legacy support (previous versions did not save a
# separate CustomPage object).
try:
custom_page = models.CustomPage.objects.get(page=page)
custom_page.content = content
custom_page.save()
except models.CustomPage.DoesNotExist:
models.CustomPage.objects.create(page=page, content=content)
controller.make_thumbnail(page)
return data_response.create(enc, 'ok', encode.page.to_dict(page))
else:
# If creating a new page.
html = render_to_string('blankpages/view.html', {'html': content,
'user': user})
title = "%s's custom Flowgram page" % user
page = models.Page.objects.create(title=title, source_url='')
page = controller.create_page_to_flowgram(flowgram, page, html)
page.source_url = '%sapi/getpage/%s/' % (localsettings.my_URL_BASE, page.id)
page.is_custom = True
page.save()
models.CustomPage.objects.create(page=page, content=content)
return data_response.create(enc, 'ok', encode.page.to_dict(page))
def add_audio_fms(request, page, time, duration):
file_path = '%s/%s/%s/%d.flv' % (localsettings.FMS_STREAM_DIR, page.flowgram.id, page.id, time)
if os.path.isfile(file_path):
audio = models.Audio.objects.create(page=page, time=time, duration=duration)
audio.path = file_path
helpers.set_modified(page.flowgram)
s3.save_filename_to_bucket(localsettings.S3_BUCKET_AUDIO, '%s.flv' % audio.id, file_path)
return data_response.create(request.POST.get('enc', 'json'), 'ok', audio.id)
else:
log.debug('add_audio_fms called with page.id=%s, time=%d, and duration=%d but file_path=%s DNE' % \
(page.id, time, duration, file_path))
return error_response.create(request.POST.get('enc', 'json'), 'flv does not exist.')
def upload(request, enc):
if request.FILES.has_key('file'):
# do later in queue once per slide
# adds a page to the fg
# html will be like before but embed a swf that is centered
# page = Page.objects.create(title=request.FILES['file']['filename'], position=255)
# page = controller.create_page_to_flowgram(fg, page, html)
(fg, new) = controller.get_working_flowgram(request.user)
if new:
log.debug("Action log: new working flowgram %s created during add_page" % fg.id)
# create queue item
ppt_import_request = models.PptImportRequest.objects.create(flowgram=fg)
# 2. Send to S3
ppt_import_request.save_ppt_to_s3(request.FILES['file']['content'])
return data_response.create(enc, 'ok', ppt_import_request.id)
else:
return error_response.create(enc, 'No file was uploaded.')
def add_comment(request, enc, flowgram, text):
if not text:
# TODO(westphal): Drop support for XML.
if enc == 'xml':
return HttpResponse('No comment text')
else:
return error_response.create(enc, 'No comment text')
comment = models.Comment.objects.create(
owner=request.user if request.user.is_authenticated() else None,
flowgram=flowgram,
text=text)
controller.record_stat(request, 'add_comment_website', '0', comment.id)
if localsettings.FEATURE['notify_fw']:
controller.store_fgcomented_event({'commentor': request.user,
'fg_id': flowgram.id,
'eventCode': 'FG_COMMENTED'})
# TODO(westphal): Drop support for XML.
if enc == 'xml':
return HttpResponse(helpers.render_comment_to_xml(comment), mimetype="text/xml")
else:
return data_response.create(enc, 'ok', encode.comment.to_dict(comment))
def handle_file_upload_image(enc, content, content_type, filetype, filename, flowgram):
temp_image = tempfile.mkstemp(".image")
os.close(temp_image[0])
temp_image_path = temp_image[1]
try:
file = open(temp_image_path, "wb")
file.write(content)
file.close()
try:
# Opens the file to make sure it works as an image.
image = Image.open(temp_image_path)
image.load()
except:
return error_response.create(
enc,
'Invalid image: Currently supported image types include: JPEG, PNG, and GIF')
(mime, extension) = IMAGE_FORMAT_TO_MIME_AND_EXTENSION[image.format]
# Resizing the image if too large.
if image.size[0] > settings.DEFAULT_PHOTO_WIDTH or \
image.size[1] > settings.DEFAULT_PHOTO_HEIGHT:
image.thumbnail((settings.DEFAULT_PHOTO_WIDTH, settings.DEFAULT_PHOTO_HEIGHT),
Image.BICUBIC)
page = models.Page.objects.create(title=filename)
uploaded_file = models.UploadedFile.objects.create(page=page, mimetype=mime, media_type=0)
page.source_url = uploaded_file.get_absolute_url()
html = ''.join(['<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html><head><title></title>',
'<link rel="stylesheet" type="text/css" href="',
localsettings.MEDIA_URL,
'css/photo_importers.css">',
'<link rel="stylesheet" type="text/css" href="',
localsettings.MEDIA_URL,
'css/page.css"></head><body><div><img src="',
uploaded_file.get_absolute_url(),
'" /></div></body></html>'])
# Saving the thumbnailed image and reading the data.
try:
temp_image_final = tempfile.mkstemp(extension)
os.close(temp_image_final[0])
temp_image_final_path = temp_image_final[1]
image.save(temp_image_final_path)
file = open(temp_image_final_path, "rb")
data = file.read()
file.close()
finally:
os.remove(temp_image_final_path)
uploaded_file.set_file(data)
page = controller.create_page_to_flowgram(flowgram, page, html)
return data_response.create(enc, 'ok', encode.page.to_dict(page))
finally:
os.remove(temp_image_path)
