def super_cleanLog():
""" 超级管理员清除服务器的所有用户行为日志errlogs.txt
:return: json结果
"""
username = request.form.get("username", type=str, default="")
if session.get("isLogin") and session.get("username") == username:
result = DB_Sync.query_redis(username)
usertype = result["data"]["USER_TYPE"]
userlock = result["data"]["USER_LOCK"]
# 超级用户且没有被人为锁定
if usertype == "super" and userlock == 0:
if cleanLogging():
code = "0"
msg = "文件清除成功"
logger.info("%s用户删除日志成功，具有权限为%s，锁定为%d" %
(username, usertype, userlock))
else:
code = "1"
msg = "文件异常，无法清除"
logger.error("%s用户删除日志失败,原因:文件异常，无法清除" % username)
else:
code = "-1"
msg = "您没有权限执行该操作"
else:
code = "-1"
msg = "您当前不处于登录状态，请先登录"
resp = jsonify(code=code, msg=msg)
resp.set_cookie("datetime", getlocaltime())
return resp
def super_Download_LogDB():
""" super管理员下载数据库备份文件和errlogs日志
:return: json结果
"""
username = request.form.get('username')
filename = request.form.get('filename', type=str, default='')
# 是否处于登录状态
if session.get('username') == username and session.get('isLogin'):
# 判断是否是super权限以及被人为锁定状态
result = DB_Sync.query_redis(username)
usertype = result['data']['USER_TYPE']
userlock = result['data']['USER_LOCK']
if usertype == 'super' and userlock == 0:
logger.info('super用户%s下载了文件%s' % (username, filename))
print('server path:', serverlogs_path)
return send_from_directory(
directory=serverlogs_path,
filename=filename.encode('utf-8').decode('utf-8'),
as_attachment=True)
else:
return abort(401)
else:
code = "-1"
msg = "您当前不处于登录状态，请先登录"
return jsonify(code=code, msg=msg)
def deleteUSER():
""" 管理员或者super用户在用户管理界面删除其他用户(低权限用户)
:return:
"""
tup = ("user", "admin", "super") # 用下标 0, 1, 2 来比较权限的大小！！
# 当前修改者属性
username = request.form.get("username", type=str, default="")
# 被修改者的属性
othername = request.form.get('othername', type=str, default="")
otheremail = request.form.get("otheremail", type=str, default="")
result = DB_Sync.query_redis(othername)
# print(result)
othertype = result["data"]["USER_TYPE"]
# 判断当前用户是否在线
if session.get("username") == username and session.get('isLogin'):
# 获取当前用户的权限和锁定情况
result = DB_Sync.query_redis(username)
usertype = result["data"]["USER_TYPE"]
userlock = result["data"]["USER_LOCK"]
# 判断当前用户是否有权限删除,自己删除不了自己
if userlock == 0 and tup.index(usertype) > tup.index(othertype):
is_delete = DB_Sync.sync_redis_delete(othername, otheremail)
if is_delete:
code = "0"
msg = "用户账号注销成功"
logger.info("%s管理员注销%s用户成功" % (username, othername))
# 用户删除成功时候，删除用户目录
if User_Action.remove_user_homedir(username):
logger.warning("注销删除%s用户文件目录数据成功" % username)
else:
logger.error("注销删除%s用户文件目录数据失败" % username)
else:
code = "-1"
msg = "用户账号注销失败"
logger.error("%s管理员注销%s用户失败" % (username, othername))
else:
code = "1"
msg = "您没有权限执行操作"
else:
code = "-1"
msg = "您当前不处于登录状态，请先登录"
resp = jsonify(code=code, msg=msg)
resp.set_cookie("datetime", getlocaltime())
return resp
def changeRole():
""" 改变用户的类型和锁定用户
:return: json结果
"""
tup = ("user", "admin", "super") # 用下标 0, 1, 2 来比较权限的大小！！
# 当前修改者属性
username = request.form.get("username", type=str, default="")
# 被修改者的新属性
othername = request.form.get("othername", type=str, default="")
new_othertype = request.form.get("new_othertype", type=str, default="user")
new_otherlock = request.form.get("new_otherlock", type=int, default=0)
# 如果当前用户处于登录状态
print(session["isLogin"], session.get("username"))
if session["isLogin"] and session.get("username") == username:
result = DB_Sync.query_redis(username)
usertype = result["data"]["USER_TYPE"]
userlock = result["data"]["USER_LOCK"]
result = DB_Sync.query_redis(othername)
othertype = result["data"]["USER_TYPE"]
# # userlock = int(userlock, encoding='utf-8')
# usertype = str(usertype, encoding='utf-8')
# othertype = str(othertype, encoding='utf-8')
# 当前用户不处于锁定状态，且当前用户的权限比被修改用户的权限高（能改）(这里就解决了自己修改自己的问题，自己只能降级自己)
# 且改动权限不能超过自己的当前权限（改的幅度）
if userlock == 0 and tup.index(othertype) < tup.index(usertype) and \
tup.index(new_othertype) <= tup.index(usertype):
ischanged = DB_Sync.change_user_permission(othername,
new_othertype,
new_otherlock)
if ischanged:
code = "0"
msg = "用户权限修改成功"
else:
code = "-1"
msg = "用户权限修改失败"
else:
code = "1"
msg = "您没有权限执行操作"
else:
code = "-1"
msg = "您当前不处于登录状态"
resp = jsonify(code=code, msg=msg)
resp.set_cookie("datetime", getlocaltime())
return resp
def forgetPWD():
"""用户名和邮箱以及邮箱的验证码和新密码,查询本地用户名和邮箱是否对应，是发送验证码，然后检验验证码
:return: json结果
"""
email = request.form.get("email", type=str, default="")
username = request.form.get("username", type=str, default="")
captureCode = request.form.get("capture", type=str, default="")
new_passwd = request.form.get("new_passwd", type=str, default="")
# 本地数据库无对应数据，修改不了
if not DB_Sync.exist_UserName_email(username, email):
code = "-1"
msg = "用户名或者邮箱错误"
# 本地有数据可以修改,核对验证码
else:
# 判断根据邮箱查到的用户名是否一致,避免修改他人的数据
# 验证码一致,而且email和用户名也对应.(默认不考虑用户忘记用户名的情况)
isConsist = DB_Sync.is_consistent(email, username)
if captureCode == DB_Sync.query_redis_Capture(email) and isConsist:
result = DB_Sync.query_redis(username)
# 根据用户名查询到了结果(salt)
print(result)
salt = result["data"]['USER_SALT']
compute_new_pwd = computePW(new_passwd, salt)
isOK = DB_Sync.sync_redis_insert(username, compute_new_pwd, salt,
email)
print("is ok", isOK)
if isOK:
code = "0"
msg = "密码重置成功，请用新的密码登录"
logger.info("%s用户密码修改成功" % username)
# 修改密码后需要清除session数据
session["isLogin"] = False
session.clear()
if DB_Sync.refresh_redis(username):
print("redis刷新成功...")
else:
print("redis刷新失败...")
else:
code = "-1"
msg = "密码重置失败，请重试"
print("{0}用户重置密码失败".format(username))
logger.error("%s用户重置密码失败" % username)
else:
code = "-1"
msg = ("验证码失效" if isConsist else "用户名密码不一致")
logger.error("%s用户重置密码失败,原因:%s" % (username, msg))
resp = jsonify(code=code, msg=msg)
resp.set_cookie("datetime", getlocaltime())
return resp
def updatePWD():
"""Post方式用户更新密码,需要核实用户登录状态,用原来的salt加密后新密码入库,并要求重新登录。
:return: json结果
"""
username = session.get("username")
if session.get("isLogin") and username is not None:
# 处于登录的状态的时候，重新生成密码存储到mysql而且同步刷新Redis
old_pwd = request.form.get("old_passwd", type=str, default="")
new_pwd = request.form.get("new_passwd", type=str, default="")
# 下面获取该用户原始数据进行验证
result = DB_Sync.query_redis(username)
print("查询用户本地结果为:", result)
localPW = result["data"]["USER_PASSWD"]
salt = result["data"]["USER_SALT"]
# 用户原始密码输入正确，允许修改mysql然后同步redis
print('计算结果:', computePW(old_pwd, salt))
if checkPW(computePW(old_pwd, salt), localPW):
# 用原来的盐加密生成新的用户密码
compute_new_pwd = computePW(new_pwd, salt)
isOK = DB_Sync.sync_redis_insert(username, compute_new_pwd, salt)
if isOK:
resp = jsonify(code="0", msg="密码修改成功，请用新的密码登录")
resp.set_cookie("datetime", getlocaltime())
logger.warning("%s用户修改密码成功,并退出登录" % username)
# 修改了密码后,需要重新登录,应该清除session数据。然后刷新redis，不然会导致login时候的redis用之前的
DB_Sync.refresh_redis(username)
session["isLogin"] = False
session.clear()
else:
resp = jsonify(code="-1", msg="密码修改失败，请重试")
print("{0}用户修改密码失败,原密码:{1}|新密码:{2}".format(
username, localPW, compute_new_pwd))
logger.warning("%s用户修改密码失败" % username)
else:
# 传递过来的用户原始密码为假
resp = jsonify(code="-1", msg="您原始密码输入有误，请重新输入")
logger.error("%s用户修改密码失败,原始密码不正确" % username)
else:
# 该用户已经退出登录了，不处于登录状态
resp = jsonify(code="1", msg="您当前不处于登录状态，请先登录")
logger.warning("%s用户当前处于非登录状态,修改密码失败" % username)
return resp
def super_Handle_LogDB():
""" super清空errlogs.txt和删除db备份文件(正常来说应该保留最近一次备份的不允许删除,本项目不考虑此情况)
:return: json结果
"""
filename = request.form.get("filename", type=str, default="")
username = request.form.get("username", type=str, default="")
if session.get("isLogin") and session.get("username") == username:
result = DB_Sync.query_redis(username)
usertype = result["data"]["USER_TYPE"]
userlock = result["data"]["USER_LOCK"]
# 超级用户且没有被人为锁定
if usertype == "super" and userlock == 0:
# 如果是日志则清空
if filename == serverlogs_name:
if cleanLogging():
code = "0"
msg = "文件清空成功"
logger.info("%s用户删除日志成功，具有权限为%s，锁定为%d" %
(username, usertype, userlock))
else:
code = "1"
msg = "文件异常，无法清除"
logger.error("%s用户删除日志失败,原因:文件异常，无法清除" % username)
# 如果是备份文件则删除
else:
global serverlogs_path
User_Action.fileDelete(serverlogs_path +
r'\{}'.format(filename))
code = "0"
msg = "文件删除成功"
logger.info("%s用户删除文件%s成功，具有权限为%s，锁定为%d" %
(username, filename, usertype, userlock))
else:
code = "-1"
msg = "您没有权限执行该操作"
else:
code = "-1"
msg = "您当前不处于登录状态，请先登录"
resp = jsonify(code=code, msg=msg)
resp.set_cookie("datetime", getlocaltime())
return resp
def downLoadFile():
""" 下载用户名下的文件
http://127.0.0.1:9999/download_file?username=Allen&filename=b.pdf
:return:
"""
if request.method == "POST":
username = request.form.get("username")
filename = request.form.get("filename")
if request.method == "GET":
# 对于get其实flask会自动解析urldecode，因此如果前端请求用户名(本项目用户名前端有要求不含特殊字符)或者文件名不做处理的话，后端解析可能会导致出错
# 例如前端请求filename=”我的C++笔记.md“ 后端解析filename的值就会变成 “我的C 笔记.md"
# 因为+号被转义成%2B表示空格（可以通过query_string看到），我们可以对转义后的字符%2B进行替换成+
# 但是个人不推荐这么做，因为: 1. 复杂，类似转义字符有"+、空格、/、%、#、&、="等,每个都需要整个字符考虑；2. 转义替换顺序有要求。顺序不当，可能会产生新的转义问题
# 因而推荐前端进行url参数转义类似javascript的encodeURIComponent等，可以保证按照正常的解析不会出错
username = request.args.get("username")
filename = request.args.get("filename")
# 有该文件
# User_Action.create_user_rootdir()
if username and filename:
result = DB_Sync.query_redis(username)
userlock = result['data']['USER_LOCK']
# 如果前端请求带字符串格式就需要用eval去掉引号""
# username = eval(username)
# filename = eval(filename)
is_exists, file_directory = User_Action.query_user_file(
username, filename)
# print("isexists, dictory", is_exists, file_directory)
if userlock == 0:
if is_exists:
return send_from_directory(
directory=file_directory,
filename=filename.encode('utf-8').decode('utf-8'),
as_attachment=True)
else:
return abort(404)
else:
return abort(401)
else:
return abort(404)
def userFilesInfo():
username = request.args.get("username")
if session.get('username') == username and session.get('isLogin'):
result = DB_Sync.query_redis(username)
userlock = result['data']['USER_LOCK']
if userlock == 0:
userfiles_info = []
# 返回该用户下的文件列表
user_file_list = User_Action.user_file_list(username)
if user_file_list:
# 根据文件列表去获取文件的属性
for li in user_file_list:
userfiles_info.append(
User_Action.user_file_info(username, li))
return jsonify(code="0", msg="用户文件获取成功", data=userfiles_info)
else:
logger.error("%s用户文件夹为空" % username)
return jsonify(code="1", msg="用户文件获取失败")
else:
return abort(401)
else:
return jsonify(code="-1", msg="您当前不处于登录状态，请先登录")
def userList():
""" 获取数据库中用户列表除了password和salt
:return: json结果
"""
username = request.form.get("username", type=str, default="")
if session["isLogin"] and session.get("username") == username:
result = DB_Sync.query_redis(username)
userlock = result['data']['USER_LOCK']
if userlock == 0:
code = "0"
msg = "获取用户列表成功"
data = DB_Sync.user_list()
else:
return abort(401)
else:
code = "-1"
msg = "您当前不处于登录状态，请先登录"
data = ""
resp = jsonify(code=code, msg=msg, data=data)
resp.set_cookie("datetime", getlocaltime())
return resp
def itSpiderID():
""" 根据url hash为一个值作为任务id，存在session中，id值返回给前端。同时开个线程去爬取。
:return: json结果
"""
username = request.form.get('username')
it_url = request.form.get('spiderurl', type=str, default='')
# 是否处于登录状态
if session.get('username') == username and session.get('isLogin'):
# 判断是否是super权限以及被人为锁定状态
result = DB_Sync.query_redis(username)
userlock = result['data']['USER_LOCK']
if userlock == 0:
# 给出用户的文件夹路径，用来保存爬取后的txt
user_spider_path = User_Action.user_rootFile_dir + \
r'\{0}'.format(username)
# 生成任务id
task_id = computePW(it_url, '')
task_id = task_id[:17]
session['task_id'] = task_id # 任务id存到session里面
# 创建线程去爬取而不阻塞当前执行
try:
threadWorker(handleITSpider,
username=username,
url=it_url,
path=user_spider_path)
except Exception as e:
logger.error('%s用户启动threadWorker失败,原因是%s' % (username, e))
code = "0"
msg = "已收到爬取请求"
data = task_id
return jsonify(code=code, msg=msg, data=data)
else:
return abort(401)
else:
code = "-1"
msg = "您当前不处于登录状态，请先登录"
return jsonify(code=code, msg=msg)
def login():
""" 前端登录请求post请求，从数据库中验证params完整性和正确性,并设置相应的cookies和session
:return: json结果
"""
logintime = ""
if request.method == 'POST':
# 这里进行了折衷的处理为了实现登录顶掉他人登录的需求.(人性化的做法应该是提示在他处登录，询问要不要踢掉或者在其他地方先推出，这边在登陆)
quit()
print(request.form.get("username", type=str, default=""))
# 判断用户名密码是否正确
username = request.form.get("username", type=str, default="")
passwd = request.form.get("passwd", type=str, default="")
if username == "" or passwd == "":
code = "-1"
msg = "用户名或密码为空或不合法"
# 用户名不空查询后端数据
else:
result = DB_Sync.query_redis(username)
# 用户不存在
if result["code"] == "-1":
code = "-1"
msg = "用户名或密码错误"
# 用户存在 result["code"]返回0,1
else:
salt = ""
# 判断密码是否正确
if result["data"] != "":
salt = result["data"]["USER_SALT"]
localPW = result["data"]["USER_PASSWD"]
print("redis data", result["data"])
print("computePasswd", computePW(passwd, salt))
# 验算用户传递的密码是否和数据库中保存的一致
isConsistent = checkPW(computePW(passwd, salt), localPW)
# 密码输入正确
if isConsistent:
code = "0"
msg = "登录验证成功"
session["logintime"] = getlocaltime()
if session.get("isLogin"):
logger.warning("%s用户登录失败,原因是已在其他地方登录" % username)
return jsonify(code="-1", msg="您已在其他地方登录")
session["isLogin"] = True
session["username"] = username
logintime = getlocaltime()
logger.info("%s用户登录成功" % username)
# 密码输入错误
else:
code = "-1"
msg = "用户名或密码错误"
logger.warning("%s用户登录输入密码错误,登录失败" % username)
resp = jsonify(code=code, msg=msg)
resp.set_cookie('datetime', getlocaltime())
resp.set_cookie('logintime', logintime)
resp.set_cookie('username',
request.form.get("username", type=str, default="null"),
expires=max_ageTime) # max_age单位是秒，过期时间
return resp
# 如果是其他请求方法
else:
resp = jsonify(code='-1',
msg='{} Method is not allowed !'.format(request.method))
resp.set_cookie('datetime', getlocaltime())
resp.set_cookie('logintime', logintime)
resp.set_cookie('username',
request.form.get("username", type=str, default="null"),
expires=max_ageTime) # max_age单位是秒，过期时间
return resp