Пример #1
0
def file_list_json(request):
	app_access = __check_app_access()
	if app_access is not None:
		return app_access
	
	authed_user = auth.get_current_user()
	user_key = ps.get_user_key_by_id(authed_user.user_id())
	#TODO: This shouldn't be here - a generic method in APIPermissions would be nice.


	# 'your files'
	file_list = []

	lst = ps.get_user_permissions_list(user_key)
	temp_group = []
	if lst is not None:
		for perm in lst:
			list_entry = {}
			file_entry = ps.get_file_by_key(perm.file_key)
			if file_entry is not None:
				
				temp_file = ds.get_file_info(file_entry.file_name)
				if temp_file is None:
					continue
				
				list_entry.update({ 'permissions' 	: 'yes',
									'friendlyName'	: file_entry.friendly_name,
									'colour'		: perm.colour,
									'starred'		: perm.starred
								} )
		
				temp_file.filename = temp_file.filename.rpartition('/')[2]
				list_entry.update( {	'filename' 		: temp_file.filename,
										'size' 			: temp_file.st_size,
								  		'hash' 			: temp_file.etag,
								  		'timestamp' 	: temp_file.st_ctime
								  })
				temp_group.append(list_entry)


	if len(temp_group) > 0:
		file_list.append({	'catagory' 	: 'owned',
							'heading' 	: 'Your Files',
						 	'type'		: 'files',
							'data' 		: temp_group })
						
	if len(file_list) == 0:
		file_list.append({	'catagory' 	: 'notice',
						 	'type'		: 'html',
						 
						 	# TODO: move this line out
						 	'data'		: '<a data-toggle="modal" data-target="#uploadModal" class="list-group-item">No files - Click here to upload one</a>'
							})


	return HttpResponse(json.dumps(file_list), content_type="application/json")
Пример #2
0
def __check_app_access(redir = False):
	authed_user = auth.get_current_user()
	if authed_user is None:
		return __unauthed_response(redir)
	else:
		elem = ps.get_element_key_by_ref('canLogIn')
		if elem is not None:
			user_key = ps.get_user_key_by_id(authed_user.user_id())
			if user_key is not None:
				perm = ps.get_user_element_permissions(user_key, elem)
				if perm is not None:
					if perm.access:
						return None
		return __not_signed_up_response(redir)
Пример #3
0
def analysis_status_json(request):
	authed_user = auth.get_current_user()
	if authed_user is None:
		return __unauthed_response()

	user_key = ps.get_user_key_by_id(authed_user.user_id())

	response_part = {
		'backoff' 	: 0,		#tells the client to back off for a given amount of time (milliseconds) (This is added to the client's constant poll interval)
		'giveup'	: True,		#True instructs the client to stop polling - useful for situations such as unauthed requests where polling will never result in the user being shown a graph
		'done'		: False		#True indicates that the analysis has finished and that the user can be redirected to the new image
	}
	
	try:
		file_req = json.loads(request.raw_post_data)
	except ValueError:
		response_part.update({'error' : 'Invalid request payload.'})
		return HttpResponse(json.dumps(response_part), content_type="application/json")

	if 'filename' not in file_req:
		response_part.update({'error' : 'Incomplete request.'})
		return HttpResponse(json.dumps(response_part), content_type="application/json")

	chk_file_name = DATA_BUCKET + '/' + file_req['filename']
	file_entry = ps.get_file_by_name(chk_file_name)
	logging.info(file_entry)
	if file_entry is None:
		response_part.update( { 'error' : 'File or gate not recognised.', 'giveup' : False } )
		return HttpResponse(json.dumps(response_part), content_type="application/json")
	else:
		fp_entry = ps.get_user_file_permissions(file_entry.key, user_key)
		if fp_entry is None:
			response_part.update( { 'error' : 'Permission denied.' } )
			return HttpResponse(json.dumps(response_part), content_type="application/json")

	name = file_req['filename']
	is_done =  ds.check_exists(GRAPH_BUCKET + '/' + name + '.png', None)

	#Prevent redirecting before the view is ready
	is_done &= ds.check_exists(DATA_BUCKET  + '/' + name, None)

	#Prevent redirecting before gating info is ready
	is_done &= ds.check_exists(INFO_BUCKET + '/' + name + '.txt', None)

	response_part.update( { 'done' : is_done, 'giveup' : False } )
	return HttpResponse(json.dumps(response_part), content_type="application/json")
Пример #4
0
def generate_gating_feedback(status, message, new_graph_name = None, existing_name = None, new_axis_a = "FSC-A", new_axis_b = "SSC-A"):
	if new_graph_name is not None:
		## Authenticate and get user 
		authed_user = auth.get_current_user()
		user_key = ps.get_user_key_by_id(authed_user.user_id())

		## Get previous file permissions.
		previous_file = ps.get_file_by_name(DATA_BUCKET + existing_name)
		previous_permissions = ps.get_user_file_permissions(previous_file.key, user_key)

		if isinstance(new_graph_name, list):
			new_graph_names = new_graph_name
		else:
			new_graph_names = [new_graph_name]
		
		# Overwrite new_graph_name for return dictionary
		new_graph_name = new_graph_names[0]
		logging.info(new_graph_name)
		logging.info(new_graph_names)
							
		for new_name in new_graph_names:
			new_file = FileInfo(file_name = DATA_BUCKET + new_name,
								owner_key = user_key,
								friendly_name = previous_file.friendly_name + '-gate',
								prev_file_key = previous_file.key,
								axis_a = new_axis_a,
								axis_b = new_axis_b )
			file_key = ps.add_file(new_file)
			ps.add_file_permissions(file_key,
									user_key,
									Permissions (
										previous_permissions.read,
										previous_permissions.write,
										previous_permissions.full_control
									),
									previous_permissions.colour,
									False)

	return {
		'status': status,
		'message': message,
		'url': reverse('get_graph', args=[new_graph_name]),
		'graphName' : new_graph_name
	}
Пример #5
0
def tool(request):
	authed_user = auth.get_current_user()
	if authed_user is None:
		return __unauthed_response()


	try:
		gate_info = json.loads(request.raw_post_data)
		print gate_info
	except ValueError:
		return HttpResponse(simplejson.dumps(gt.generate_gating_feedback('fail', 'Invalid request payload')), content_type="application/json")

	## \todo This should probably iterate over list
	if (('points' 	not in gate_info) or
		('tool'		not in gate_info) or
		('filename' not in gate_info)):

		return HttpResponse(simplejson.dumps(gt.generate_gating_feedback('fail', 'Incomplete gate parameters')), content_type="application/json")

	if (gate_info['points']):
		if not isinstance(gate_info['points'], list):
			return HttpResponse(simplejson.dumps(gt.generate_gating_feedback('fail', 'Invalid points list')), content_type="application/json")
	else:
		# Normalise false value to None
		gate_info.update( { 'points' : None } )

	file_entry = ps.get_file_by_name(DATA_BUCKET + '/' + gate_info['filename'])
	if file_entry is None:
		return HttpResponse(simplejson.dumps(gt.generate_gating_feedback('fail', 'File not found')), content_type="application/json")

	gate_info.update( { 'axes' : { 'x' : file_entry.axis_a, 'y' : file_entry.axis_b } } )

	tool = gt.AVAILABLE_TOOLS.get(gate_info['tool'], gt.no_such_tool)
	## first two arguments passed for compatibility
	tool_response = tool(gate_info)

	## Load balance instances in the background.
	background.run(instances.balance, 0)

	json_response = simplejson.dumps(tool_response);
	return HttpResponse(json_response, content_type="application/json")
Пример #6
0
def app(request):
	lst = ds.list(DATA_BUCKET)
	file_info = None
	
	app_access = __check_app_access(True)
	if app_access is not None:
		return app_access
	
	authed_user = auth.get_current_user()
	authed_user_nick = authed_user.nickname()

	request.upload_handlers = [upload_handling.fcsUploadHandler()]
	if request.method == 'POST':
		form = forms.UploadFile(request.POST, request.FILES)
		if form.is_valid():
			cd = form.cleaned_data
			return redirect('#!/preview/' + request.FILES['file'].name)
		else:
			return render(request, 'app.html', {'form': form, 'files' : lst , 'current_file' : file_info, 'authed_user_nick' : authed_user_nick})
	else:
		form = forms.UploadFile()
		return render(request, 'app.html', {'form': form, 'files' : lst , 'current_file' : file_info, 'authed_user_nick' : authed_user_nick})
Пример #7
0
def signup_handler(request):
	authed_user = auth.get_current_user()
	if authed_user is None:
		return __unauthed_response()

	user_key = ps.get_user_key_by_id(authed_user.user_id())
	if user_key is None:
		user_key = ps.add_user(authed_user)

	response_part = {
		'success'		: False
	}

	try:
		file_req = json.loads(request.raw_post_data)
	except ValueError:
		response_part.update({'error' : 'Invalid request payload.'})
		return HttpResponse(json.dumps(response_part), content_type="application/json")
		
	if 'action' not in file_req:
		response_part.update({'error' : 'Incomplete request.'})
		return HttpResponse(json.dumps(response_part), content_type="application/json")

	elem_key = ps.get_element_key_by_ref('canLogIn')
	if elem_key is None:
		elem_key = ps.add_element('canLogIn')

	user_elem = ps.get_user_element_permissions(user_key, elem_key)
	if user_elem is not None:
		response_part.update({'error' : 'Already signed up.'})
		return HttpResponse(json.dumps(response_part), content_type="application/json")
	else:
		ps.add_element_permissions(user_key, elem_key, True)

		response_part.update({'success' : True})
		return HttpResponse(json.dumps(response_part), content_type="application/json")
Пример #8
0
def file_preview(request, file = None):
	app_access = __check_app_access()
	if app_access is not None:
		return app_access

	## Authentication.
	authed_user = auth.get_current_user()
	if authed_user is None:
		authed_user_nick = 'Guest'
	else:
		authed_user_nick = authed_user.nickname()
	## Graph visualisation.
	# Replaced by a spinning canvas on the clientside
	# if not ds.check_exists(GRAPH_BUCKET + '/' + file_name_without_extension + '.png', None):
	# 	file_name_without_extension = None

	#TODO: Might need to be simplified or moved to a function in fileinfo
	# TODO the folowing should be replaced by a method in the APIDatastore
	file_info = ps.get_file_by_name(DATA_BUCKET + '/' + file)

	undo_uri = None
	if file_info is not None:
		prev_file = ps.get_file_by_key(file_info.prev_file_key)
		if prev_file is not None:
			undo_uri = prev_file.file_name.rpartition(DATA_BUCKET + '/')[2]

	lst = ds.list(DATA_BUCKET)
	current_file = None
	for temp_file in lst:
		temp_file.filename = temp_file.filename.rpartition('/')[2]
		if temp_file.filename == file:
			current_file = temp_file;


	# Check whether graph exists yet.
	graph_exists = ds.check_exists(GRAPH_BUCKET + '/' + file.partition('.')[0] + '.png', None)

	# Get permissions for file.
	permissions = None
	if file_info is not None:
		user_key = ps.get_user_key_by_id(authed_user.user_id())
		permissions = ps.get_user_file_permissions(file_info.key, user_key)

	template_dict = {'current_file' : current_file,
									 'name' : file,
									 'authed_user_nick': authed_user_nick,
									 'file_info' : file_info,
									 'graph_ready' : graph_exists,
									 'undo_link' : undo_uri,
									 'permissions' : permissions }

	## Get gating information.
	info_path = INFO_BUCKET + '/' + file.partition('.')[0] + '.txt'
	if ds.check_exists(info_path, None):
		buffer = ds.open(info_path)
		if buffer:
			file_text = buffer.read()
			stats = file_text.split(' ')
			if len(stats)>=3:
				template_dict.update( { 'gating_stats' : { 'selection' : stats[0],
										'total' : stats[1],
										'percent' : float(stats[2])*100 } } )

	## Get different axis
	axis_path = INFO_BUCKET + '/' + file.partition('.')[0] + 'info.txt'
	if ds.check_exists(axis_path, None):
		buffer = ds.open(axis_path)
		if buffer:
			file_text = buffer.read()
			axis = file_text.split('\n')
			if len(axis)>0:
				while '' in axis:
					axis.remove('')
				template_dict.update( { 'available_axes' : axis } )

	return render(request, 'file_preview.html', template_dict)
Пример #9
0
def signup(request):
	link = auth.create_login_url('/#!/signup')
	return redirect(link)
Пример #10
0
def file_permissions_edit(request):
	authed_user = auth.get_current_user()
	if authed_user is None:
		return __unauthed_response()
	
	user_key = ps.get_user_key_by_id(authed_user.user_id())

	json_response = {
		'success' 	: False
	}

	action_responses = []

	try:
		permissions_request = json.loads(request.raw_post_data)
	except ValueError:
		json_response.update( {'error' : 'Invalid request payload.'} )
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	if 	(	('actions'   not in permissions_request)
		or	('filename'	 not in permissions_request)):

		json_response.update( {'error' : 'Incomplete request.'} )
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	filename 	= permissions_request['filename']
	actions		= permissions_request['actions']

	if not isinstance(actions, list):
		json_response.update( {'error' : 'Actions list is not a list.'} )
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	file_entry = ps.get_file_by_name(DATA_BUCKET + '/' + filename)
	if file_entry is None:
		json_response.update( { 'error' : 'File does not exist.' } )
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	fp_entry = ps.get_user_file_permissions(file_entry.key, user_key)
	if fp_entry is None:
		json_response.update( { 'error' : 'Permission denied.' } )
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	res = []
	for action in actions:
		if 	(	('action' 		in action)	# Can't do anything without an action name
			and ('userEmail'	in action)):	# Or a user for that matter

			user_email 	= action['userEmail']
			action_name = action['action']

			response_part = {
				'success'	: False,
				'action'	: action,
				'userEmail'	: user_email
			}

			share_user_key = ps.get_user_key_by_email(user_email)
			if share_user_key is None:
				response_part.update( { 'error' : 'User not found.' } )
				action_responses.append(response_part) 
				continue
		else:
			response_part = {
				'success'	: False,
				'error'		: 'Incomplete request.'
			}
			continue

		edit_permissions = ps.get_user_file_permissions(file_entry.key, share_user_key)

		if action_name == 'dropUser':
			if edit_permissions is None:
				response_part.update( { 'error' : 'User does not have permissions for this file.' } )
			else:
				remove_action = ps.revoke_permissions_by_key(edit_permissions.key)
				if remove_action:
					response_part.update( { 'success' : True } )
				else:
					response_part.update( { 'error' : 'Could not revoke permissions.' } )

		elif action_name == 'addUser':
			if edit_permissions is None:
				if 	(	('read'     	not in action)
					or	('write'		not in action)
					or	('fullControl'	not in action)):
	
					response_part.update( { 'error' : 'Incomplete action - permissions not specified.'} )
				else:
					add_action = ps.add_file_permissions(file_entry.key, share_user_key,
						Permissions(
							action['read'],
							action['write'],
							action['fullControl']
						) )
					if add_action:
						response_part.update( { 'success' : True } )
					else:
						response_part.update( { 'error' : 'Could not add user to file.' } )

			else:
				response_part.update( { 'error' : 'User already has permissions for this file.' } )

		elif action_name == 'editUser':
			if edit_permissions is not None:
				if 	(	('read'			not in action)
					or	('write'		not in action)
					or	('fullControl'	not in action)):
						
						response_part.update( { 'error' : 'Incomplete action - permissions not specified.'} )
				else:
					edit_action = ps.modify_file_permissions_by_key(edit_permissions.key,
						Permissions(
							action['read'],
							action['write'],
							action['fullControl']
						) )
					if edit_action:
						response_part.update( { 'success' : True } )
					else:
						response_part.update( { 'error' : 'Could not update user permissions.' } )
			else:
				response_part.update( { 'error' : 'User does not have a permissions entry for this file.' } )
	
		else:
			response_part.update( { 'error' : "Action '%s' not recognised."%action_name } )

	action_responses.append(response_part)
	json_response.update( { 'success' : True, 'actions' : action_responses } )

	return HttpResponse(json.dumps(json_response), content_type="application/json")
Пример #11
0
def logout(request):
	link = auth.create_logout_url('/')
	return redirect(link)
Пример #12
0
def file_permissions_json(request):
	authed_user = auth.get_current_user()
	if authed_user is None:
		return __unauthed_response()
	
	user_key = ps.get_user_key_by_id(authed_user.user_id())

	json_response = {
		'success' 		: False,
		'users'			: []
	}

	try:
		list_req = json.loads(request.raw_post_data)
	except ValueError:
		json_response.update({'error' : 'Invalid request payload.'})
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	if 'filename' not in list_req:
		json_response.update({'error' : 'Incomplete request.'})
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	filename = list_req['filename']

	file_entry = ps.get_file_by_name(DATA_BUCKET + '/' + filename)
	if file_entry is None:
		json_response.update( { 'error' : 'File does not exist.' } )
		return HttpResponse(json.dumps(json_response), content_type="application/json")
		
	fp_entry = ps.get_user_file_permissions(file_entry.key, user_key)
	if fp_entry is None:
		json_response.update( { 'error' : 'Permission denied.' } )
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	permissions_list = ps.get_file_permissions_list(file_entry.key)
	if permissions_list is None:
		json_response.update( { 'error' : 'Permission could not be retrieved.' } )
		return HttpResponse(json.dumps(json_response), content_type="application/json")

	for perm in permissions_list:
		new_perm = {}
		user = ps.get_user_by_key(perm.user_key)
		if user is not None:
			nickname = user.nickname()
			email = user.email()
			user_found = True
		else:
			nickname = 'Unknown'
			email = 'unknown'
			user_found = False

		new_perm.update( {
			'nickname' 		: nickname,
			'userFound'		: user_found,
			'email'			: email,
			'isMe'			: (perm.user_key == user_key),
			'permissions'	: {
				'read'			: perm.read,
				'write'			: perm.write,
				'fullControl'	: perm.full_control
			}
		} )

		json_response['users'].append(new_perm)

	json_response.update({ 'success' : True })
	return HttpResponse(json.dumps(json_response), content_type="application/json")
Пример #13
0
def login(request):
	link = auth.create_login_url('app/')
	return redirect(link)
Пример #14
0
def file_list_edit(request):
	authed_user = auth.get_current_user()
	if authed_user is None:
		return __unauthed_response()
	
	user_key = ps.get_user_key_by_id(authed_user.user_id())
	
	try:
		actions = json.loads(request.raw_post_data)
	except ValueError:
		return HttpResponse(json.dumps({'error' : 'invalid request payload'}), content_type="application/json")
	
	if not isinstance(actions, list):
		return HttpResponse(json.dumps({'error' : 'Payload is not a list'}), content_type="application/json")
	
	res = []
	for a in actions:
		
		#We can't do anything without a filename
		if 'filename' not in a:
			continue
		else:
			filename = a['filename']
		
		if 'action' not in a:
			continue
		else:
			action = a['action']
		
		res_fragment = {
			'filename' 	: a['filename'],
			'action'	: a['action']
		}
		
		if action == 'delete':
			file_entry = ps.get_file_by_name(DATA_BUCKET + '/' + filename)
			if file_entry is not None:
				ps.remove_file_by_key(file_entry.key)
			
			ds.delete(DATA_BUCKET + '/' + filename)
			ds.delete(INFO_BUCKET + '/' + filename + 'info.txt')
			ds.delete(INFO_BUCKET + '/' + filename + '.txt')
			ds.delete(GRAPH_BUCKET + '/' + filename + '.png')
			
			res_fragment.update( { 'success' : True } )
		
		#Reinstate this when CE PAL is available
		#else:
		#res_fragment.update( { 'success' : False, 'error' : 'File does not exist.' } )
		
		elif action == 'rename':
			if 'newname' not in a:
				res_fragment.update( { 'success' : False, 'error' : 'New name not specified' } )
			else:
				file_entry = ps.get_file_by_name(DATA_BUCKET + '/' + filename)
				if file_entry is None:
					res_fragment.update( { 'success' : False, 'error' : 'File does not exist.' } )
				else:
					file_entry.friendly_name = a['newname']
					if ps.update_file(file_entry):
						res_fragment.update( { 'success' : True } )
					else:
						res_fragment.update( { 'success' : False, 'error' : 'Could not rename file' } )
		
		elif action == 'star' or action == 'unstar':
			file_entry = ps.get_file_by_name(DATA_BUCKET + '/' + filename)
			if file_entry is None:
				res_fragment.update( { 'success' : False, 'error' : 'File does not exist.' } )
			else:
				fp_entry = ps.get_user_file_permissions(file_entry.key, user_key)
				if fp_entry is None:
					res_fragment.update( { 'success' : False, 'error' : 'Permissions entry not found' } )
				else:
					if ps.modify_file_permissions_by_key(fp_entry.key, new_starred = (action == 'star')):
						res_fragment.update( { 'success' : True } )
					else:
						res_fragment.update( { 'success' : False, 'error' : 'Could not update file' } )

		elif action == 'recolour':
			if 'newcolour' not in a:
				res_fragment.update( { 'success' : False, 'error' : 'New colour not specified' } )
			else:
				colour = a['newcolour']
				chk_string = re.compile("^[A-Fa-f0-9]{6}$")
				if (chk_string.match(colour)):
					file_entry = ps.get_file_by_name(DATA_BUCKET + '/' + filename)
					if file_entry is None:
						res_fragment.update( { 'success' : False, 'error' : 'File does not exist.' } )
					else:
						fp_entry = ps.get_user_file_permissions(file_entry.key, user_key)
						if fp_entry is None:
							res_fragment.update( { 'success' : False, 'error' : 'Permissions entry not found' } )
						else:
							if ps.modify_file_permissions_by_key(fp_entry.key, new_colour = colour):
								res_fragment.update( { 'success' : True } )
							else:
								res_fragment.update( { 'success' : False, 'error' : 'Could not update file' } )
				else:
					res_fragment.update( { 'success' : False, 'error' : 'New colour invalid' } )

		else:
			res_fragment.update( { 'success' : False, 'error' : 'Action not recognised' } )
		
		res.append(res_fragment)
	
	return HttpResponse(json.dumps(res), content_type="application/json")