def auth(username, password):
if(redis_users.get(username) != None and redis_users.get(username) == password):
return HALResponse(response=document.Document(data={'message': 'OK', 'token': create_token(username, password).decode('utf-8')}
,links=link.Collection(link.Link('publications', 'http://api:5000/publications'))).to_json(), status=200, mimetype="application/hal+json")
else:
return HALResponse(response=document.Document(data={'message': 'Login failed - wrong credentials'}).to_json(), status=401, mimetype="application/hal+json")
def publications():
token = request.headers.get('Authorization')
if token != None and valid(token):
payload = decode(token, JWT_SECRET)
pubs = redis_files.hget('publications', payload['username'])
data = {}
status = 200
if request.method == 'GET':
if(pubs != None):
data = {'pubs': json.dumps(json.loads(pubs))}
else:
data = {'pubs': json.dumps([])}
elif request.method == 'POST':
if not ("title" in request.json and "authors" in request.json and "year" in request.json and "publisher" in request.json):
return HALResponse(response=document.Document(data={'message': 'Error - not all information provided'}).to_json(), status=400, mimetype="application/hal+json")
pub_id = str(uuid4())
title = request.json['title']
authors = request.json['authors']
year = request.json['year']
publisher = request.json['publisher']
new_pub_json = json.dumps({"pub_id" : pub_id, "title": title, "authors": authors, "year": year, "publisher": publisher})
pubs_json_array = []
if pubs != None:
pubs_json_array = json.loads(pubs)
pubs_json_array.append(json.loads(new_pub_json))
else:
pubs_json_array.append(json.loads(new_pub_json))
redis_files.hset('publications', payload['username'], json.dumps(pubs_json_array))
pubs = redis_files.hget('publications', payload['username'])
data = {'message': 'Publication added'}
status = 201
api_links=link.Collection()
if pubs:
for pub in json.loads(pubs):
l = link.Link(pub['pub_id'], 'http://api:5000/publications/' + pub['pub_id'])
l.name = "get_update_or_delete_pub"
api_links.append(l)
l = link.Link(pub['pub_id'], 'http://api:5000/publications/' + pub['pub_id'] + '/files')
l.name = "upload_or_get_files"
api_links.append(l)
return HALResponse(response=document.Document(data=data
,links=api_links).to_json(), status=status, mimetype="application/hal+json")
else:
return HALResponse(response=document.Document(data={'message': 'Invalid token - please try again'}).to_json(), status=401, mimetype="application/hal+json")
def post_or_get_publication_files(pid):
token = request.headers.get('Authorization') or request.args('token')
if token != None and valid(token):
payload = decode(token, JWT_SECRET)
status = 200
if request.method == 'POST':
f = request.files.get('file')
if f is None or f.filename == '':
return HALResponse(response=document.Document(data={'message': 'Error - no file provided'}).to_json(), status=400, mimetype="application/hal+json")
fid, content_type = str(uuid4()), f.content_type
redis_files.hset(pid, fid, f.filename)
redis_files.hset("files", fid, f.read())
redis_files.hset("content_types", fid, content_type)
f.close()
data = {'message': 'File uploaded'}
status = 201
elif request.method == 'GET':
files = redis_files.hgetall(pid)
if files != None:
data = {'files': json.dumps(files)}
else:
data = {'files': json.dumps([])}
files = redis_files.hgetall(pid)
api_links=link.Collection()
for pub_file in files:
l = link.Link(pub_file, 'http://api:5000/publications/' + pid + '/files/' + pub_file)
l.name = "download_or_delete_file"
api_links.append(l)
return HALResponse(response=document.Document(data=data
,links=api_links).to_json(), status=status, mimetype="application/hal+json")
else:
return HALResponse(response=document.Document(data={'message': 'Invalid token - please try again'}).to_json(), status=401, mimetype="application/hal+json")
def test_returns_document_with_hal_document(self):
app = Flask(__name__)
with app.test_request_context():
d = document.Document()
r = HALResponse.force_type(d, {})
expected = json.dumps({'_links': {'self': {'href': '/'}}})
assert isinstance(r, Response)
assert r.headers['Content-Type'] == 'application/hal+json'
assert r.data.decode("utf-8") == expected
def add_to_dashboard():
token = get_token()
if(token == None):
return "Blad autoryzacji", 401
login = token["login"]
result = check_origin(request.origin)
if(not result):
return "Brak dostepu", 403
r = get_db()
package_id = uuid.uuid4()
receiver = request.json.get('receiver')
post_id = request.json.get('postId')
size = request.json.get('size')
if(
receiver == "" or
post_id == "" or
size == ""
):
return "Pola nie moga byc puste", 422
try:
r.hset((str)(package_id), "receiver", receiver)
r.hset((str)(package_id), "post_id", post_id)
r.hset((str)(package_id), "size", size)
r.hset((str)(package_id), "status", "waiting")
r.rpush(login, (str)(package_id))
except ConnectionError:
return "Blad serwera", 503
links = link.Collection(
link.Link("delete", "/sender/dashboard/" + (str)(package_id)),
link.Link("update", "/sender/dashboard/" + (str)(package_id))
)
package_info = {
"packageId": (str)(package_id),
"receiver": receiver,
"postId": post_id,
"size": size,
"status": "waiting"
}
headers = {
"Access-Control-Allow-Origin": request.origin
}
return HALResponse(response=Document(
embedded={"newPackage": Embedded(data=package_info, links=links)}).to_json(),
headers=headers,
content_type="application/hal+json")
def download_or_delete_publication_file(pid, fid):
token = request.headers.get('Authorization')
if token != None and valid(token):
payload = decode(token, JWT_SECRET)
if request.method == 'GET':
file_name = redis_files.hget(pid, fid)
file_to_download = redis_files.hget("files", fid)
file_content_type = redis_files.hget("content_types", fid)
if file_name is None or file_to_download is None or file_content_type is None:
return HALResponse(response=document.Document(data={'message': 'File does not exist'}).to_json(), status=404, mimetype="application/hal+json")
return send_file(io.BytesIO(file_to_download.encode('ISO-8859-1')), mimetype=file_content_type, attachment_filename=file_name, as_attachment=True)
elif request.method == 'DELETE':
redis_files.hdel("files", fid)
redis_files.hdel("content_types", fid)
redis_files.hdel(pid, fid)
return HALResponse(response=document.Document(data={'message': 'File deleted'}).to_json(), status=200, mimetype="application/hal+json")
else:
return HALResponse(response=document.Document(data={'message': 'Invalid token - please try again'}).to_json(), status=401, mimetype="application/hal+json")
def get_update_or_delete_publication(pid):
token = request.headers.get('Authorization')
if token != None and valid(token):
payload = decode(token, JWT_SECRET)
pubs = redis_files.hget('publications', payload['username'])
if pubs != None:
pubs_json_array = json.loads(pubs)
user_pub = None
for pub_json in pubs_json_array:
if pub_json['pub_id'] == pid:
user_pub = pub_json
break
if pubs == None or user_pub == None:
return HALResponse(response=document.Document(data={'message': 'Error - please try again'}).to_json(), status=404, mimetype="application/hal+json")
if request.method == 'GET':
return HALResponse(response=document.Document(data={'publication': json.dumps(user_pub)}).to_json(), status=200, mimetype="application/hal+json")
elif request.method == 'DELETE':
pubs_json_array.remove(user_pub)
redis_files.hset('publications', payload['username'], json.dumps(pubs_json_array))
fids = redis_files.hgetall(pid)
for fid in fids:
redis_files.hdel("files", fid)
redis_files.hdel("content_types", fid)
redis_files.delete(pid)
return HALResponse(response=document.Document(data={'message': 'Publication deleted'}).to_json(), status=200, mimetype="application/hal+json")
elif request.method == 'PUT':
if not ("title" in request.json and "authors" in request.json and "year" in request.json and "publisher" in request.json):
return HALResponse(response=document.Document(data={'message': 'Error - not all information provided'}).to_json(), status=400, mimetype="application/hal+json")
pubs_json_array.remove(user_pub)
pub_id = user_pub['pub_id']
title = request.json['title']
authors = request.json['authors']
year = request.json['year']
publisher = request.json['publisher']
new_pub_json = json.dumps({"pub_id" : pub_id, "title": title, "authors": authors, "year": year, "publisher": publisher})
pubs_json_array.append(json.loads(new_pub_json))
redis_files.hset('publications', payload['username'], json.dumps(pubs_json_array))
return HALResponse(response=document.Document(data={'message': 'Publication updated'}).to_json(), status=200, mimetype="application/hal+json")
else:
return HALResponse(response=document.Document(data={'message': 'Invalid token - please try again'}).to_json(), status=401, mimetype="application/hal+json")
def test_returns_document_with_hal_document(self):
app = Flask(__name__)
with app.test_request_context():
d = document.Document()
r = HALResponse.force_type(d, {})
expected = json.dumps({
'_links': {
'self': {
'href': '/'
}
}
})
assert isinstance(r, Response)
assert r.headers['Content-Type'] == 'application/hal+json'
assert r.data.decode("utf-8") == expected
def show_dashboard():
token = get_token()
if(token == None):
return "Blad autoryzacji", 401
login = token["login"]
result = check_origin(request.origin)
if(not result):
return "Brak dostepu", 403
r = get_db()
try:
if(login != "courier"):
packages_number = r.llen(login)
packages = r.lrange(login, 0, packages_number - 1)
else:
packages = []
keys = r.keys()
for key in keys:
if(r.type(key) == b"hash"):
packages.append(key)
except ConnectionError:
return "Blad serwera", 503
decoded_packages = [p.decode() for p in packages]
dashboard = {}
i = 1
try:
for dp in decoded_packages:
receiver = r.hget(dp, "receiver").decode()
post_id = r.hget(dp, "post_id").decode()
size = r.hget(dp, "size").decode()
status = r.hget(dp, "status").decode()
package_name = "package" + (str)(i)
dashboard[package_name] = Embedded(
data={
"packageId": dp,
"receiver": receiver,
"postId": post_id,
"size": size,
"status": status
},
links=link.Collection(
link.Link("delete", "/sender/dashboard/" + (str)(dp)),
link.Link("update", "/sender/dashboard/" + (str)(dp))
)
)
i = i + 1
except ConnectionError:
return "Blad serwera", 503
headers = {
"Access-Control-Allow-Origin": request.origin
}
return HALResponse(response=Document(
data={"name": "dashboard"},
embedded=dashboard).to_json(),
headers=headers,
content_type="application/hal+json")
def test_returns_standard_response(self):
r = HALResponse.force_type(Response('foo'), {})
assert isinstance(r, Response)
assert r.headers['Content-Type'] == 'text/html; charset=utf-8'
assert r.data.decode("utf-8") == 'foo'
def test_returns_standard_response(self):
r = HALResponse.force_type(Response('foo'), {})
assert isinstance(r, Response)
assert r.headers['Content-Type'] == 'text/html; charset=utf-8'
assert r.data.decode("utf-8") == 'foo'
def login_user():
if('username' in request.json and 'password' in request.json):
return auth(request.json['username'], request.json['password'])
else:
return HALResponse(response=document.Document(data={'message': 'Error - please try again'}).to_json(), status=404, mimetype="application/hal+json")
