def ajax_upload(self, request, folder_id=None):
"""
Receives an upload from the uploader. Receives only one file at a time.
"""
mimetype = "application/json" if request.is_ajax() else "text/html"
content_type_key = 'mimetype' if DJANGO_1_4 else 'content_type'
response_params = {content_type_key: mimetype}
try:
upload, filename, is_raw = handle_upload(request)
# Get clipboad
clipboard = Clipboard.objects.get_or_create(user=request.user)[0]
# find the file type
for filer_class in filer_settings.FILER_FILE_MODELS:
FileSubClass = load_object(filer_class)
# TODO: What if there are more than one that qualify?
if FileSubClass.matches_file_type(filename, upload, request):
FileForm = modelform_factory(model=FileSubClass,
fields=('original_filename',
'owner', 'file'))
break
uploadform = FileForm(
{
'original_filename': filename,
'owner': request.user.pk
}, {'file': upload})
if uploadform.is_valid():
file_obj = uploadform.save(commit=False)
# Enforce the FILER_IS_PUBLIC_DEFAULT
file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT
file_obj.save()
clipboard_item = ClipboardItem(clipboard=clipboard,
file=file_obj)
clipboard_item.save()
json_response = {
'thumbnail': file_obj.icons['32'],
'alt_text': '',
'label': str(file_obj),
}
return HttpResponse(json.dumps(json_response),
**response_params)
else:
form_errors = '; '.join([
'%s: %s' % (field, ', '.join(errors))
for field, errors in list(uploadform.errors.items())
])
raise UploadException(
"AJAX request not valid: form invalid '%s'" %
(form_errors, ))
except UploadException as e:
return HttpResponse(json.dumps({'error': str(e)}),
**response_params)
def ajax_upload(request, folder_id=None):
"""
Receives an upload from the uploader. Receives only one file at a time.
"""
mimetype = "application/json" if request.is_ajax() else "text/html"
content_type_key = 'mimetype' if DJANGO_1_4 else 'content_type'
response_params = {content_type_key: mimetype}
folder = None
if folder_id:
try:
# Get folder
folder = Folder.objects.get(pk=folder_id)
except Folder.DoesNotExist:
return HttpResponse(json.dumps({'error': NO_FOLDER_ERROR}),
**response_params)
# check permissions
if folder and not folder.has_add_children_permission(request):
return HttpResponse(json.dumps({'error': NO_PERMISSIONS_FOR_FOLDER}),
**response_params)
try:
if len(request.FILES) == 1:
# dont check if request is ajax or not, just grab the file
upload, filename, is_raw = handle_request_files_upload(request)
else:
# else process the request as usual
upload, filename, is_raw = handle_upload(request)
# TODO: Deprecated/refactor
# Get clipboad
# clipboard = Clipboard.objects.get_or_create(user=request.user)[0]
# find the file type
for filer_class in filer_settings.FILER_FILE_MODELS:
FileSubClass = load_object(filer_class)
# TODO: What if there are more than one that qualify?
if FileSubClass.matches_file_type(filename, upload, request):
FileForm = modelform_factory(model=FileSubClass,
fields=('original_filename',
'owner', 'file'))
break
uploadform = FileForm(
{
'original_filename': filename,
'owner': request.user.pk
}, {'file': upload})
if uploadform.is_valid():
file_obj = uploadform.save(commit=False)
# Enforce the FILER_IS_PUBLIC_DEFAULT
file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT
file_obj.folder = folder
file_obj.save()
# TODO: Deprecated/refactor
# clipboard_item = ClipboardItem(
# clipboard=clipboard, file=file_obj)
# clipboard_item.save()
# Try to generate thumbnails.
if not file_obj.icons:
# There is no point to continue, as we can't generate
# thumbnails for this file. Usual reasons: bad format or
# filename.
file_obj.delete()
# This would be logged in BaseImage._generate_thumbnails()
# if FILER_ENABLE_LOGGING is on.
return HttpResponse(json.dumps(
{'error': 'failed to generate icons for file'}),
status=500,
**response_params)
thumbnail = None
# Backwards compatibility: try to get specific icon size (32px)
# first. Then try medium icon size (they are already sorted),
# fallback to the first (smallest) configured icon.
for size in (['32'] +
filer_settings.FILER_ADMIN_ICON_SIZES[1::-1]):
try:
thumbnail = file_obj.icons[size]
break
except KeyError:
continue
json_response = {
'thumbnail': thumbnail,
'alt_text': '',
'label': str(file_obj),
'file_id': file_obj.pk,
}
# prepare preview thumbnail
if type(file_obj) == Image:
thumbnail_180_options = {
'size': (180, 180),
'crop': True,
'upscale': True,
}
thumbnail_180 = file_obj.file.get_thumbnail(
thumbnail_180_options)
json_response['thumbnail_180'] = thumbnail_180.url
json_response['original_image'] = file_obj.url
return HttpResponse(json.dumps(json_response), **response_params)
else:
form_errors = '; '.join([
'%s: %s' % (field, ', '.join(errors))
for field, errors in list(uploadform.errors.items())
])
raise UploadException("AJAX request not valid: form invalid '%s'" %
(form_errors, ))
except UploadException as e:
return HttpResponse(json.dumps({'error': str(e)}),
status=500,
**response_params)
def ajax_upload(request, folder_id=None):
folder = None
if folder_id:
try:
# Get folder
folder = Folder.objects.get(pk=folder_id)
except Folder.DoesNotExist:
return JsonResponse({'error': filer.admin.clipboardadmin.NO_FOLDER_ERROR})
# check permissions
if folder and not folder.has_add_children_permission(request):
return JsonResponse({'error': filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER})
try:
if len(request.FILES) == 1:
# dont check if request is ajax or not, just grab the file
upload, filename, is_raw = handle_request_files_upload(request)
else:
# else process the request as usual
upload, filename, is_raw = handle_upload(request)
# find the file type
for filer_class in filer_settings.FILER_FILE_MODELS:
FileSubClass = load_model(filer_class)
# TODO: What if there are more than one that qualify?
if FileSubClass.matches_file_type(filename, upload, request):
FileForm = modelform_factory(
model=FileSubClass,
fields=('original_filename', 'owner', 'file')
)
break
uploadform = FileForm({'original_filename': filename,
'owner': request.user.pk},
{'file': upload})
if uploadform.is_valid():
file_obj = uploadform.save(commit=False)
# Enforce the FILER_IS_PUBLIC_DEFAULT
file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT
file_obj.folder = folder
same_name_file_qs = get_files_distinct_grouper_queryset().annotate(
_name=NullIfEmptyStr('name'),
_original_filename=NullIfEmptyStr('original_filename'),
).annotate(
# seperate annotate is needed to get it work on python<36
# see PEP 468 for more details
_label=Coalesce('_name', '_original_filename', Value('unnamed file')),
).filter(folder=folder, _label=file_obj.label)
existing_file_obj = same_name_file_qs.first()
if existing_file_obj:
file_grouper = existing_file_obj.grouper
new_file_grouper = False
existing_file_version = Version.objects.get_for_content(existing_file_obj)
if existing_file_version.state == DRAFT and not all([
existing_file_version.can_be_archived(),
existing_file_version.check_archive.as_bool(request.user),
]):
return JsonResponse({'error': (
'Cannot archive existing {} file version'.format(existing_file_obj)
)})
else:
new_file_grouper = True
file_grouper = FileGrouper.objects.create()
file_obj.grouper = file_grouper
file_obj.save()
create_file_version(file_obj, request.user)
# Try to generate thumbnails.
if not file_obj.icons:
# There is no point to continue, as we can't generate
# thumbnails for this file. Usual reasons: bad format or
# filename.
file_obj.delete()
if new_file_grouper:
file_grouper.delete()
# This would be logged in BaseImage._generate_thumbnails()
# if FILER_ENABLE_LOGGING is on.
return JsonResponse(
{'error': 'failed to generate icons for file'},
status=500,
)
thumbnail = None
# Backwards compatibility: try to get specific icon size (32px)
# first. Then try medium icon size (they are already sorted),
# fallback to the first (smallest) configured icon.
for size in (['32'] +
filer_settings.FILER_ADMIN_ICON_SIZES[1::-1]):
try:
thumbnail = file_obj.icons[size]
break
except KeyError:
continue
data = {
'thumbnail': thumbnail,
'alt_text': '',
'label': str(file_obj),
'file_id': file_obj.pk,
'grouper_id': file_grouper.pk,
}
# prepare preview thumbnail
if type(file_obj) == Image:
thumbnail_180_options = {
'size': (180, 180),
'crop': True,
'upscale': True,
}
thumbnail_180 = file_obj.file.get_thumbnail(
thumbnail_180_options)
data['thumbnail_180'] = thumbnail_180.url
data['original_image'] = file_obj.url
return JsonResponse(data)
else:
form_errors = '; '.join(['%s: %s' % (
field,
', '.join(errors)) for field, errors in list(
uploadform.errors.items())
])
raise UploadException(
"AJAX request not valid: form invalid '%s'" % (
form_errors,))
except UploadException as e:
return JsonResponse({'error': str(e)}, status=500)
def ajax_upload(request, folder_id=None):
folder = None
path = request.POST.get('path')
path_split = path.split('/') if path else []
# check permissions and data
error_msg = None
if not request.user.is_authenticated:
# User is not logged in. Return a generic message that gives
# no data info (such as whether a folder exists or not)
error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER
elif folder_id:
try:
folder = Folder.objects.get(pk=folder_id)
except Folder.DoesNotExist:
# A folder with id=folder_id does not exist so return
# an error message specifying this
error_msg = filer.admin.clipboardadmin.NO_FOLDER_ERROR
else:
# Now check if the user has sufficient permissions to
# upload a file to the folder with id=folder_id and return
# an error message if not
no_folder_perms = (not folder.has_add_children_permission(request)
or (path and not folder.can_have_subfolders))
if no_folder_perms:
error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER
elif (not request.user.is_superuser and path_split and
not filer.settings.FILER_ALLOW_REGULAR_USERS_TO_ADD_ROOT_FOLDERS):
# If uploading the file to Unsorted Uploads (i.e. no folder_id)
# but filer is set to disallow regular users to add
# folders there and the user is not a superuser and is uploading
# folders that aren't yet created on the server (i.e.
# specifying the path param with folders that don't yet exist)
# return an error message
if not Folder.objects.filter(name=path_split[0], parent=None).exists():
error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER
if error_msg:
return JsonResponse({'error': error_msg})
try:
if len(request.FILES) == 1:
# dont check if request is ajax or not, just grab the file
upload, filename, is_raw = handle_request_files_upload(request)
else:
# else process the request as usual
upload, filename, is_raw = handle_upload(request)
# find the file type
for filer_class in filer_settings.FILER_FILE_MODELS:
FileSubClass = load_model(filer_class)
# TODO: What if there are more than one that qualify?
if FileSubClass.matches_file_type(filename, upload, request):
FileForm = modelform_factory(model=FileSubClass,
fields=('original_filename',
'owner', 'file'))
break
uploadform = FileForm(
{
'original_filename': filename,
'owner': request.user.pk
}, {'file': upload})
if uploadform.is_valid():
file_obj = uploadform.save(commit=False)
# Enforce the FILER_IS_PUBLIC_DEFAULT
file_obj.is_public = filer_settings.FILER_IS_PUBLIC_DEFAULT
# Set the file's folder
current_folder = folder
for segment in path_split:
try:
current_folder = Folder.objects.get(name=segment,
parent=current_folder)
except Folder.DoesNotExist:
# If the current_folder can't have subfolders then
# return a permission error
if current_folder and not current_folder.can_have_subfolders:
error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER
return JsonResponse({'error': error_msg})
current_folder = Folder.objects.create(
name=segment, parent=current_folder)
else:
# If the folder already exists, check the user is
# allowed to upload here
if not current_folder.has_add_children_permission(request):
error_msg = filer.admin.clipboardadmin.NO_PERMISSIONS_FOR_FOLDER
return JsonResponse({'error': error_msg})
file_obj.folder = current_folder
same_name_file_qs = get_files_distinct_grouper_queryset().annotate(
_name=NullIfEmptyStr('name'),
_original_filename=NullIfEmptyStr('original_filename'),
).annotate(
# seperate annotate is needed to get it work on python<36
# see PEP 468 for more details
_label=Coalesce('_name', '_original_filename',
Value('unnamed file')), ).filter(
folder=folder, _label=file_obj.label)
existing_file_obj = same_name_file_qs.first()
if existing_file_obj:
file_grouper = existing_file_obj.grouper
new_file_grouper = False
existing_file_version = Version.objects.get_for_content(
existing_file_obj)
if existing_file_version.state == DRAFT and not all([
existing_file_version.can_be_archived(),
existing_file_version.check_archive.as_bool(
request.user),
]):
return JsonResponse({
'error':
('Cannot archive existing {} file version'.format(
existing_file_obj))
})
else:
new_file_grouper = True
file_grouper = FileGrouper.objects.create()
file_obj.grouper = file_grouper
file_obj.save()
create_file_version(file_obj, request.user)
# Try to generate thumbnails.
if not file_obj.icons:
# There is no point to continue, as we can't generate
# thumbnails for this file. Usual reasons: bad format or
# filename.
file_obj.delete()
if new_file_grouper:
file_grouper.delete()
# This would be logged in BaseImage._generate_thumbnails()
# if FILER_ENABLE_LOGGING is on.
return JsonResponse(
{'error': 'failed to generate icons for file'},
status=500,
)
thumbnail = None
# Backwards compatibility: try to get specific icon size (32px)
# first. Then try medium icon size (they are already sorted),
# fallback to the first (smallest) configured icon.
for size in (['32'] +
filer_settings.FILER_ADMIN_ICON_SIZES[1::-1]):
try:
thumbnail = file_obj.icons[size]
break
except KeyError:
continue
data = {
'thumbnail': thumbnail,
'alt_text': '',
'label': str(file_obj),
'file_id': file_obj.pk,
'grouper_id': file_grouper.pk,
}
# prepare preview thumbnail
if type(file_obj) == Image:
thumbnail_180_options = {
'size': (180, 180),
'crop': True,
'upscale': True,
}
thumbnail_180 = file_obj.file.get_thumbnail(
thumbnail_180_options)
data['thumbnail_180'] = thumbnail_180.url
data['original_image'] = file_obj.url
return JsonResponse(data)
else:
form_errors = '; '.join([
'%s: %s' % (field, ', '.join(errors))
for field, errors in list(uploadform.errors.items())
])
raise UploadException("AJAX request not valid: form invalid '%s'" %
(form_errors, ))
except UploadException as e:
# TODO: Test
return JsonResponse({'error': str(e)}, status=500)
}
except Exception, e:
json_response = {
'thumbnail': None,
'alt_text': '',
'label': unicode(file_obj),
}
return HttpResponse(simplejson.dumps(json_response),
mimetype=mimetype)
else:
form_errors = '; '.join([
'%s: %s' % (field, ', '.join(errors))
for field, errors in uploadform.errors.items()
])
raise UploadException(
"AJAX request not valid: form invalid '%s'" %
(form_errors, ))
except UploadException, e:
return HttpResponse(simplejson.dumps({'error': unicode(e)}),
mimetype=mimetype)
def get_model_perms(self, request):
"""
It seems this is only used for the list view. NICE :-)
"""
return {
'add': False,
'change': False,
'delete': False,
}