1.优化Base64算法，增加异常捕获

2.调整auth所有接口为base64加密存储
3.修复无法获取token的问题

apps/api/common.py

@@ -1,3 +1,6 @@
+import re
+
+
 class CaesarCypherClass:
     """
     恺撒密码，提供以恺撒密码方法进行加密及解密的方法，加密方法使用CaesarEncode()函数，解密方法使用CaesarDecode()函数
@@ -51,21 +54,49 @@ class Base64CypherClass:
     """
 
     def __init__(self, *args, **kwargs):
+        """
+        Base64类初始化函数
+        :param args:
+        :param kwargs:
+        """
         import importlib
         self.base64 = importlib.import_module('base64')
         self.os = importlib.import_module('os')
         self.time = importlib.import_module('time')
+        self.re = importlib.import_module('re')
 
     @staticmethod
     def base64_encode_str(self, s):
+        """
+        Base64字符串加密
+        :param self:
+        :param s: 要加密的字符串
+        :return: 加密后的字符串
+        """
         return self.base64.b64encode(s.encode('utf-8'))
 
     @staticmethod
     def base64_decode_str(self, s):
+        """
+        Base64字符串解密，解密前先判断是否为Base64加密方式
+        :param self:
+        :param s: 要解密的字符串
+        :return: 解密后的字符串
+        """
+        try:
+            self.base64.b64decode(s)
             return self.base64.b64decode(s).decode('utf-8')
+        except Exception as e:
+            return f"base64解密失败，请确定加密方式是否正确。错误信息：{e}"
 
     @staticmethod
     def base64_encode_pic(self, pic):
+        """
+        Base64加密图片，路径不存在则返回"图片路径不存在"
+        :param self:
+        :param pic: 要加密的图片路径
+        :return: 返回加密的base64字符
+        """
         if self.os.path.exists(pic):
             with open(pic, 'rb') as f:
                 read_pic = open(pic, 'rb')
@@ -77,9 +108,19 @@ class Base64CypherClass:
 
     @staticmethod
     def base64_decode_pic(self, pic_bs64):
-        if self.os.path.exists(f"upload/temp/pic{int(self.time.time())}.jpg"):
-            self.os.remove(f"upload/temp/pic{int(self.time.time())}.jpg")
-        with open(f"upload/temp/pic{int(self.time.time())}.jpg", 'wb') as f:
+        """
+        Base64解密图片
+        :param self:
+        :param pic_bs64:
+        :return: 返回图片路径
+        """
+        pic_path = f"upload/temp/pic{int(self.time.time())}"
+        if self.os.path.exists(f"{pic_path}.jpg"):
+            self.os.remove(f"{pic_path}.jpg")
+        elif not self.os.path.exists("upload/temp/pic"):
+            self.os.path.mkdir("upload/temp/pic")
+
+        with open(f"{pic_path}.jpg", 'wb') as f:
             f.write(self.base64.b64decode(pic_bs64))
 
-        return 'upload/temp/pic.jpg'
+        return f"{pic_path}.jpg"

apps/auth/urls.py

@@ -2,7 +2,7 @@ from django.urls import path
 from apps.auth import views
 
 urlpatterns = [
-    path("gettoken/", views.get_token, name="getToken"),
+    path("gettoken/", views.gettoken, name="getToken"),
     path("searchuser/", views.search_user, name="searchuser"),
     path("adduser/", views.add_user, name="addUser"),
     path("login/", views.login_user, name="loginUser"),

apps/auth/views.py

@@ -1,15 +1,19 @@
 import binascii
-import json, datetime, base64
+import json, datetime
 from django.shortcuts import HttpResponse
 from django.middleware.csrf import get_token
 from django.views.decorators.http import require_GET, require_POST
 from apps.auth import models as auth_models
 from django.contrib.auth.hashers import make_password, check_password
+from apps.api.common import CaesarCypherClass, Base64CypherClass
 
 
 # Create your views here.
+base64 = Base64CypherClass()
+
+
 @require_GET
-def get_token(request):
+def gettoken(request):
     """
     获取token
     :param request:
@@ -26,12 +30,12 @@ def search_user(request):
     :param request:
     :return:
     """
-    username = request.POST.get('username')
+    username = base64.base64_encode_str(base64, request.POST.get("username")).decode('utf-8')
     user = auth_models.User.objects.filter(username=username)
     if user.exists():
-        return HttpResponse("用户名已存在")
-    else:
         return HttpResponse(True)
+    else:
+        return HttpResponse(False)
 
 
 @require_POST
@@ -42,11 +46,12 @@ def add_user(request):
     :return: 注册结果
     """
     try:
-        username = request.POST.get("username")
-        pwd_base64 = base64.b64encode(request.POST.get("pwd"))
+        username = base64.base64_encode_str(base64, request.POST.get("username")).decode('utf-8')
+        pwd_base64 = base64.base64_decode_str(base64, request.POST.get("pwd"))
+        print(username, pwd_base64)
         pwd = make_password(pwd_base64)
-        email = request.POST.get("email")
-        phone = request.POST.get("phone")
+        email = base64.base64_encode_str(base64, request.POST.get("email")).decode('utf-8')
+        phone = base64.base64_encode_str(base64, request.POST.get("phone")).decode('utf-8')
         create_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
         last_login_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
         print(username, pwd, email, phone)
@@ -73,8 +78,8 @@ def login_user(request):
     :return:
     """
     try:
-        username = request.POST.get("username")
-        pwd_input = base64.b64decode(request.POST.get("pwd"))
+        username = base64.base64_encode_str(base64, request.POST.get("username")).decode('utf-8')
+        pwd_input = base64.base64_decode_str(base64, request.POST.get("pwd"))
         pwd_made = auth_models.User.objects.filter(username=username).first().pwd
         pwd = check_password(pwd_input, pwd_made)
         if pwd:

apps/home/views.py

@@ -6,9 +6,15 @@ from apps.api.common import CaesarCypherClass, Base64CypherClass
 def home(request):
     bs64 = Base64CypherClass()
     s = request.GET.get('s')
-    s_encode = bs64.base64_encode_pic(bs64, s)
-    if s_encode != "图片路径不存在":
-        s_decode = bs64.base64_decode_pic(bs64, s_encode)
-    else:
-        s_decode = ''
+    print(s)
+    s_encode = bs64.base64_encode_str(bs64,s)
+    print(s_encode)
+    s_decode = bs64.base64_decode_str(bs64,s)
+
+    # s_encode = bs64.base64_encode_pic(bs64, s)
+    # if s_encode != "图片路径不存在":
+    #     s_decode = bs64.base64_decode_pic(bs64, s_encode)
+    # else:
+    #     s_decode = ''
+    # return HttpResponse(f"解密:{s_decode}")
     return HttpResponse(f"加密:{s_encode}\n解密:{s_decode}")