forked from mirror/MrDoc
332 lines
13 KiB
Python
332 lines
13 KiB
Python
# coding:utf-8
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from django.http import HttpResponse,JsonResponse
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from django.conf import settings
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from django.views.decorators.csrf import csrf_exempt
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from django.contrib.auth.decorators import login_required # 登录需求装饰器
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from django.utils.translation import gettext_lazy as _
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import datetime,time,json,base64,os,uuid
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from app_doc.models import Image,ImageGroup,Attachment
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from app_doc.utils import validate_url
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from app_admin.models import SysSetting
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from loguru import logger
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import requests
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import random
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@login_required()
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@csrf_exempt
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def upload_ice_img(request):
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##################
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# 如果需要使用ice自带的多文件上传，请修改ice的js文件中的附件上传部分代码如下：
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#
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# for(var i=0;i<this.files.length;i++){
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# formData.append('file_' + i, this.files[i]);
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# }
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# formData.append('upload_num', i);
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# formData.append('upload_type', "files");
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##################
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try:
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up_type = request.POST.get('upload_type','')
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up_num = request.POST.get('upload_num','')
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iceEditor_img = str(request.POST.get('iceEditor-img',''))
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except:
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pass
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if up_type == "files":
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# 多文件上传功能，需要修改js文件
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res_dic = {'length':int(up_num)}
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for i in range(0,int(up_num)):
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file_obj = request.FILES.get('file_' + str(i))
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result = ice_save_file(file_obj,request.user)
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res_dic[i] = result
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elif iceEditor_img.lower().startswith('http'):
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res_dic = ice_url_img_upload(iceEditor_img,request.user)
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else:
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# 粘贴上传和单文件上传
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file_obj = request.FILES.get('file[]')
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result = ice_save_file(file_obj,request.user)
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res_dic = {0:result,"length":1,'other_msg':iceEditor_img} #一个文件，直接把文件数量固定了
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return JsonResponse(res_dic)
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def ice_save_file(file_obj,user):
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# 默认保留支持ice单文件上传功能，可以iceEditor中开启
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file_suffix = str(file_obj).split(".")[-1] # 提取图片格式
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# 允许上传文件类型，ice粘贴上传为blob
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if file_suffix.lower() == 'blob':
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# 粘贴上传直接默认变更为png就行
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file_suffix = 'png'
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# allow_suffix =["jpg", "jpeg", "gif", "png", "bmp", "webp","blob"]
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allow_suffix = settings.ALLOWED_IMG
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# 判断附件格式
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is_images = ["jpg", "jpeg", "gif", "png", "bmp", "webp"]
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if file_suffix.lower() not in allow_suffix:
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return {"error": _("文件格式不允许")}
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# 接下来构造一个文件名，时间和随机10位字符串构成
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relative_path = upload_generation_dir()
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name_time = time.strftime("%Y-%m-%d_%H%M%S_")
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name_join = ""
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name_rand = name_join.join(random.sample('zyxwvutsrqponmlkjihgfedcba',10) )
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file_name = name_time + name_rand + "." + file_suffix
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path_file = relative_path + file_name
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path_file = settings.MEDIA_ROOT + path_file
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#file_Url 是文件的url下发路径
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file_url = (settings.MEDIA_URL + relative_path + file_name).replace("//","/")
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with open(path_file, 'wb') as f:
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for chunk in file_obj.chunks():
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f.write(chunk) # 保存文件
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if file_suffix.lower() in is_images:
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Image.objects.create(
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user=user,
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file_path=file_url,
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file_name=file_name,
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remark=_("iceEditor上传")
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)
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else :
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#文件上传，暂时不屏蔽，如果需要正常使用此功能，是需要在iceeditor中修改的，mrdoc使用的是自定义脚本上传
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Attachment.objects.create(
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user=user,
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file_path=file_url,
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file_name=file_name,
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file_size=str(round(len(chunk)/1024,2))+"KB"
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)
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return {"error":0, "name": str(file_obj),'url':file_url}
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return {"error": _("文件存储异常")}
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# ice_url图片上传
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def ice_url_img_upload(url,user):
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relative_path = upload_generation_dir()
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name_time = time.strftime("%Y-%m-%d_%H%M%S_")
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name_join = ""
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name_rand = name_join.join(random.sample('zyxwvutsrqponmlkjihgfedcba',10) )
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file_name = name_time + name_rand + '.png' # 日期时间_随机字符串命名
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path_file = os.path.join(relative_path, file_name)
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path_file = settings.MEDIA_ROOT + path_file
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# print('文件路径：', path_file)
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file_url = (settings.MEDIA_URL + relative_path + file_name).replace("//","/")
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# print("文件URL：", file_url)
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header = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36"
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}
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r = requests.get(url, headers=header, stream=True)
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if r.status_code == 200:
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# 判断是否为允许上传的图片类型
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remote_type = r.headers['Content-Type'].split("/")[1]
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if remote_type not in settings.ALLOWED_IMG:
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logger.error("上传了不允许的URL图片：{}".format(url))
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resp_data = {
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'error': 0,
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'name': {},
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'file':{}
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}
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return resp_data
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with open(path_file, 'wb') as f:
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f.write(r.content) # 保存文件
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Image.objects.create(
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user=user,
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file_path=file_url,
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file_name=file_name,
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remark=_('iceurl粘贴上传'),
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)
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resp_data = {"error":0, "name": file_name,'url':file_url}
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return resp_data
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@login_required()
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@csrf_exempt
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def upload_img(request):
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##################
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# {"success": 0, "message": "出错信息"}
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# {"success": 1, "url": "图片地址"}
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##################
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img = request.FILES.get("editormd-image-file", None) # 编辑器上传
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manage_upload = request.FILES.get('manage_upload',None) # 图片管理上传
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try:
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url_img = json.loads(request.body.decode())['url']
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url_img = validate_url(url_img)
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if url_img is False:
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return JsonResponse({"success": 0, "message": _("无效的URL！")})
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except:
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url_img = None
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dir_name = request.POST.get('dirname','')
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base_img = request.POST.get('base',None)
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group_id = request.POST.get('group_id',0)
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if int(group_id) not in [0,-1]:
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try:
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group_id = ImageGroup.objects.get(id=group_id)
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except:
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group_id = None
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else:
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group_id = None
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# 上传普通图片文件
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if img:
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result = img_upload(img, dir_name,request.user)
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# 图片管理上传
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elif manage_upload:
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result = img_upload(manage_upload, dir_name, request.user, group_id=group_id)
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# 上传base64编码图片
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elif base_img:
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result = base_img_upload(base_img,dir_name,request.user)
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# 上传图片URL地址
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elif url_img:
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if url_img.startswith("data:image"):# 以URL形式上传的BASE64编码图片
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result = base_img_upload(url_img, dir_name, request.user)
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else:
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result = url_img_upload(url_img,dir_name,request.user)
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else:
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result = {"success": 0, "message": _("上传出错")}
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return JsonResponse(result)
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# 目录创建
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def upload_generation_dir(dir_name=''):
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today = datetime.datetime.today()
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dir_name = dir_name + '/%d%02d/' %(today.year,today.month)
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# print("dir_name:",dir_name)
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if not os.path.exists(settings.MEDIA_ROOT + dir_name):
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# print("创建目录")
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os.makedirs(settings.MEDIA_ROOT + dir_name)
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return dir_name
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# 普通图片上传
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def img_upload(files, dir_name, user, group_id=None):
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# 允许上传文件类型
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# allow_suffix =["jpg", "jpeg", "gif", "png", "bmp", "webp","blob"]
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allow_suffix = settings.ALLOWED_IMG
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file_suffix = files.name.split(".")[-1] # 提取图片格式
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# 判断图片格式
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if file_suffix.lower() not in allow_suffix:
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return {"success": 0, "message": _("图片格式不正确")}
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# 判断图片的大小
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try:
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allow_image_size = SysSetting.objects.get(types='doc', name='img_size')
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allow_img_size = int(allow_image_size.value) * 1048576
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except Exception as e:
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# print(repr(e))
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allow_img_size = 10485760
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if files.size > allow_img_size:
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return {"success": 0, "message": _("图片大小超出{}MB".format(allow_img_size / 1048576))}
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relative_path = upload_generation_dir(dir_name)
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file_name = files.name.replace(file_suffix,'').replace('.','') + '_' +str(int(time.time())) + '.' + file_suffix
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path_file=os.path.join(relative_path, file_name)
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path_file = settings.MEDIA_ROOT + path_file
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# print('文件路径：',path_file)
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file_url = (settings.MEDIA_URL + relative_path + file_name).replace("//",'/')
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# print("文件URL：",file_url)
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with open(path_file, 'wb') as f:
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for chunk in files.chunks():
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f.write(chunk) # 保存文件
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Image.objects.create(
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user=user,
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file_path=file_url,
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file_name=file_name,
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remark=_('本地上传'),
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group = group_id,
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)
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return {"success": 1, "url": file_url,'message':_('上传图片成功')}
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# 解析image/png获取扩展名
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def getImageExtensionName(temps):
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if len(temps) == 2:
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#image/png
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temps = temps[0].split('image/')
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if len(temps) == 2:
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## 如果文件传了扩展名，就取扩展名的文件类型，判断图片格式是否允许上传
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if temps[-1] in settings.ALLOWED_IMG:
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return "." + temps[-1]
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return ".png"
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# base64编码图片上传
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def base_img_upload(files,dir_name, user):
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temps = files.split(';base64,') # 截取图片正文
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files_str = temps[-1] # 截取图片正文
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extensionName = getImageExtensionName(temps)
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files_base = base64.b64decode(files_str) # 进行base64编码
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relative_path = upload_generation_dir(dir_name)
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file_name = str(datetime.datetime.today()).replace(':', '').replace(' ', '_').replace('.', '_') + str(random.random()) + extensionName # 日期时间
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path_file = os.path.join(relative_path, file_name)
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path_file = settings.MEDIA_ROOT + path_file
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# print('文件路径：', path_file)
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file_url = (settings.MEDIA_URL + relative_path + file_name).replace("//","/")
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# print("文件URL：", file_url)
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with open(path_file, 'wb') as f:
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f.write(files_base) # 保存文件
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Image.objects.create(
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user = user,
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file_path = file_url,
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file_name=file_name,
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remark = _('粘贴上传'),
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)
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return {"success": 1, "url": file_url, 'message': _('上传图片成功')}
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# url图片上传
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def url_img_upload(url,dir_name,user):
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relative_path = upload_generation_dir(dir_name)
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file_name = str(datetime.datetime.today()).replace(':', '').replace(' ', '_').split('.')[0] + str(random.random()) + '.png' # 日期时间
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path_file = os.path.join(relative_path, file_name)
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path_file = settings.MEDIA_ROOT + path_file
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# print('文件路径：', path_file)
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file_url = (settings.MEDIA_URL + relative_path + file_name).replace("//","/")
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# print("文件URL：", file_url)
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header = {
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"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36"
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}
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try:
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r = requests.get(url, headers=header, stream=True)
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if r.status_code == 200:
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# 判断是否为允许上传的图片类型
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remote_type = r.headers['Content-Type'].split("/")[1]
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if remote_type not in settings.ALLOWED_IMG:
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logger.error("上传了不允许的URL图片：{}".format(url))
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resp_data = {
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'msg': '',
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'code': 1,
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'data': {}
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}
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return resp_data
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with open(path_file, 'wb') as f:
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f.write(r.content) # 保存文件
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Image.objects.create(
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user=user,
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file_path=file_url,
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file_name=file_name,
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remark=_('粘贴上传'),
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)
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resp_data = {
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'msg': '',
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'code': 0,
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'data' : {
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'originalURL': url,
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'url': file_url
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}
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}
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else:
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resp_data = {
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'msg': '',
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'code': 1,
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'data': {}
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}
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except Exception as e:
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logger.error("上传URL图片异常：{}".format(repr(e)))
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resp_data = {
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'msg': '',
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'code': 1,
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'data': {}
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}
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return resp_data
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# return {"success": 1, "url": file_url, 'message': '上传图片成功'} |