def upload():
"""
upload file and save file in local disk.
http-request's form should have [file] part
:return:
"""
if request.files:
try:
file_name = request.files['file'].filename
#无需考虑文件名重复的问题
hex = secure_name(file_name)
cate = auto_category(hex)
file.save(request.files['file'], name=hex)
try:
f = File(name=file_name, hex=hex, category=cate)
db.session.add(f)
db.session.commit()
except OperationalError:
db.session.rollback()
return http_response(250, 'bad', 'database not exist')
return http_response(200, 'ok', 'file uploaded')
except UploadNotAllowed:
http_response(250, 'bad', 'file ext not allowed')
return http_response(250, 'bad', 'file upload filed')
def file_update():
"""
update file's name,category, hex name is unique but name(origin name) can be same
:return:
"""
if request.json:
try:
hex_name = request.json.get('hex_name')
category = request.json.get('category', 'default')
name = request.json.get('name')
#对all分类去重
if category == 'all':
category = 'default'
f = File.query.filter_by(hex=hex_name).first()
if f and name and category:
f.name = name
f.category = category
db.session.commit()
return http_response(200, 'ok', 'file info updated')
else:
return http_response(250, 'bad', 'file not exists')
except:
return http_response(250, 'bad', 'update file info failed')
else:
return http_response(250, 'bad', 'json data required')
def cancel_account():
"""
user can cancel their account, if get this api their token will be added into blacklist.
once token has been added into blacklist, user's account will be deleted from database
:return:
"""
if request.json:
try:
#添加用户的去重
name = request.json.get('name',None)
get_user = User.query.filter_by(name=name).first()
if not get_user:
return http_response(250, 'bad', 'user not exist')
try:
current_user = get_jwt_identity()
if current_user == get_user.name:
try:
db.session.delete(get_user)
db.session.commit()
except:
db.session.rollback()
jti = get_raw_jwt()['jti']
blacklist.add(jti)
except Exception:
return http_response(250, 'bad', 'user cancel failed')
# pass
except Exception as e:
print(e.args)
return http_response(250, 'bad', 'user cancel failed')
return http_response(460,'ok','user canceled, thanks for using pan')
else:
return http_response(250, 'bad', 'json data required')
def file_delete():
"""
delete file by it's hex name
if exists, also remove from disk
:return:
"""
if request.json:
try:
name = request.json['name']
f = File.query.filter_by(hex=name).first()
if f:
try:
path = file.path(f.hex)
os.remove(path)
db.session.delete(f)
db.session.commit()
except:
db.session.rollback()
return http_response(250, 'bad', 'file delete filed')
return http_response(200, 'ok', 'file deleted')
else:
return http_response(250, 'bad', 'file not exists')
except Exception as e:
print(e.args)
return http_response(250, 'bad', 'get file info failed')
else:
return http_response(250, 'bad', 'json data required')
def file_info():
"""
get one file's info which contains [name,hex_name,url]
when FILE_ACCESS is True, url is generated by FILE_SERVER_URI
it's a sample about nginx server, see file_download for more
:return:
"""
try:
name = request.args.get('name')
f = File.query.filter_by(hex=name).first()
if f:
url = file.url(f.hex) if not current_app.config["FILE_ACCESS"] \
else current_app.config["FILE_SERVER_URI"] +'/download?file=' + f.hex
fdict = {
"name": f.name,
"time": f.time,
"hex": f.hex,
"url": url,
"category": f.category
}
return http_response(200,'ok',fdict)
else:
return http_response(250, 'bad', 'file not exists')
except Exception as e:
print(e.args)
return http_response(250,'bad','get file info failed')
def logout():
try:
# current_user = get_jwt_identity()
jti = get_raw_jwt()['jti']
blacklist.add(jti)
except:
return http_response(250, 'bad', 'user logout failed')
return http_response(460, 'ok', 'user logout, thanks for using pan')
def login():
if request.json:
name = request.json.get('name', None)
password = request.json.get('password', None)
try:
u = User.query.filter_by(name=name).first()
if u and u.password == password:
token = create_access_token(identity=name)
return http_response(200, 'ok', token)
else:
return http_response(250, 'bad', 'user illegal')
except:
return http_response(500, 'bad', 'login failed')
return http_response(250, 'bad', 'json data required')
def file_search():
"""
search file in database
:return:
"""
try:
word = request.args.get('word')
fl = File.query.filter(File.name.contains(word)).all()
if fl:
flist = [f.info() for f in fl]
return http_response(200,'ok',flist)
return http_response(250,'bad','empty search results')
except Exception as e:
print(e.args)
return http_response(250,'bad','get file-list failed')
def file_list():
"""
return all file list
:return:
"""
cate = request.args.get('cate')
if cate == 'all' or not cate:
try:
fl = File.query.all()
flist = [f.info() for f in fl]
return http_response(200, 'ok', flist)
except Exception as e:
print(e.args)
return http_response(250, 'bad', 'get file_list failed')
else:
try:
fl = File.query.filter_by(category=cate).all()
flist = [f.info() for f in fl]
return http_response(200, 'ok', flist)
except Exception:
return http_response(250, 'bad', 'get file_list failed')
def sign_up():
if request.json:
try:
#添加用户的去重
name = request.json.get('name', 'test')
password = request.json.get('password', '123456')
get_user = User.query.filter_by(name=name).first()
if get_user:
return http_response(250, 'bad', 'user already exist')
try:
u = User(name=name, password=password)
db.session.add(u)
db.session.commit()
except:
db.session.rollback()
return http_response(250, 'bad', 'user added failed')
# pass
except:
return http_response(250, 'bad', 'user added failed')
return http_response(200, 'ok', 'user added success')
else:
return http_response(250, 'bad', 'json data required')
def db_del():
db.drop_all()
return http_response(200,'ok','database deleted')
def signup(request):
handler = RequestHandler()
result = handler.handle_user_signup(request)
return response.http_response(201, result)
def notify_users(request):
handler = RequestHandler()
result = handler.handle_notifying_users(request)
return response.http_response(200, result)
def signin(request):
handler = RequestHandler()
result = handler.handle_user_sigin(request)
return response.http_response(200, transformers.user_transformer(result))
def db_init():
db.create_all()
return http_response(200, 'ok', 'database init')