def showUploadPage(request, username, path):
'''
Show a page for user to select a file to upload.
username: The user that the file will belone to.(Later users may be able to access other's files, so then username might be different to request.username)
path: The path to upload to.
Return a httpRespond.
'''
if not request.user.is_authenticated() or not request.user.username == username:
return showMessagePage(request, '错误', '您没有权限')
if request.method == "POST":
form = UploadForm(request.POST,request.FILES)
if form.is_valid():
cd = form.cleaned_data
# Save the file
path = form.cleaned_data['path']
fullPath = os.path.join(settings.USER_FILE_PATH, escapePath(username), escapePath(path), os.path.split(cd['file'].name)[-1])
if not os.path.exists(os.path.dirname(fullPath)):
os.makedirs(os.path.dirname(fullPath))
if cd['override'] and os.path.exists(fullPath):
os.remove(fullPath)
if not os.path.exists(fullPath):
saveUploadedFile(cd['file'], fullPath)
return showMessagePage(request, '操作成功', u'您成功上传了文件"%s"' % os.path.basename(fullPath), next = './')
else:
return showMessagePage(request, '同名文件', '发现同名文件。请选择覆盖文件以继续上传')
form = UploadForm(initial = dict({'path': path}.items() + request.POST.items()))
return render(request, 'fileManager/upload.html',
dict({'form':form,
'path': path}.items() + csrf(request).items()))
def showFileOrFolder(request, username, path):
'''
Show things in the path.
username: The user that the file will belone to.(Later users may be able to access other's files, so then username might be different to request.username)
path: The path to be shown.
Return a httpRespond.
'''
if not request.user.is_authenticated() or not request.user.username == username:
return showMessagePage(request, '错误', '您没有权限')
fullPath = os.path.join(settings.USER_FILE_PATH, escapePath(username), escapePath(path))
if request.method in ('GET', 'POST') and os.path.exists(fullPath):
if request.method == 'GET': # Show confirm page
if 'delete' in request.GET:
return render(request, 'fileManager/deleteConfirm.html', dict({'path': path}.items() + csrf(request).items()))
elif 'rename' in request.GET:
return render(request, 'fileManager/renameForm.html', dict({'path': path,
'form': RenameForm(initial = {'path' : path}),
}.items() + csrf(request).items()))
if request.method == 'POST': # Do the action
if 'delete' in request.POST:
if os.path.isdir(fullPath):
shutil.rmtree(fullPath)
else:
os.remove(fullPath)
return showMessagePage(request, '操作成功', u'您已删除"%s"' % path, next = '../')
elif 'rename' in request.POST:
form = RenameForm(request.POST)
if form.is_valid():
cd = form.cleaned_data
destPath = os.path.join(settings.USER_FILE_PATH, escapePath(username), escapePath(cd['path']))
if not os.path.exists(os.path.dirname(destPath)):
os.makedirs(os.path.dirname(destPath))
os.rename(fullPath, destPath)
return showMessagePage(request, '操作成功', u'您已移动"%s"至"%s"' % (path, cd['path']), next = '../')
else:
return render(request, 'fileManager/renameForm.html', dict({'path': path,
'form': RenameForm(initial = {'path' : path}),
}.items() + csrf(request).items()))
# Display
if os.path.isdir(fullPath):
return showFolderPage(request, username, fullPath, path)
if os.path.isfile(fullPath):
ext = os.path.splitext(fullPath)[-1]
downloadURL = u'/download/%s/%s' % (username, path)
if ext in viewForType.keys():
return viewForType[ext](request, fullPath, path, downloadURL)
else:
return showDonloadPage(request, username, fullPath, path, downloadURL)
return showMessagePage(request, '错误', '路径不存在')
def showLogOutPage(request):
"""
Log out a user
"""
if request.method != "POST" or not "logout" in request.POST:
raise Http404("无效的请求")
if not request.user.is_authenticated():
return showMessagePage(request, "无法登出", "您尚未登录")
auth.logout(request)
return showMessagePage(request, "成功", "您已成功登出")
def showLogOutPage(request):
'''
Log out a user
Return a httpRespond.
'''
if request.method != 'POST' or not 'logout' in request.POST:
raise Http404('无效的请求')
if not request.user.is_authenticated():
return showMessagePage(request, '无法登出', '您尚未登录')
auth.logout(request)
return showMessagePage(request, '成功', '您已成功登出', next = '/login/')
def showLogInPage(request, next = None):
'''
Show a log-in page.
If the request contains 'username' and 'password', then login the user.
Return a http respond.
'''
# Decide whether to show a success page
if request.method == 'GET' and 'successful' in request.GET:
if not next:
next = '/view/%s/' % request.user.username
return showMessagePage(request, '成功', '登录成功', next = next)
error = ''
if request.method == 'POST':
username = request.POST.get('username', '')
password = request.POST.get('password', '')
user = auth.authenticate(username=username, password=password)
if user is not None and user.is_active:
auth.login(request, user)
return HttpResponseRedirect(request.POST.get('next', '/'))
else:
error = '错误的用户名或密码'
return render(request, 'auth/login.html',
dict({'error': error,
'next': request.GET.get('next', '/login/?successful=successful')
}.items()+csrf(request).items()))
def showLogInPage(request, next="/showtable/"):
"""
Show a log-in page.
If the request contains 'username' and 'password', then login the user.
Return a http respond.
"""
# Decide whether to show a success page
if request.method == "GET" and "successful" in request.GET:
return showMessagePage(request, "成功", "登录成功")
error = ""
if request.method == "POST":
username = request.POST.get("username", "")
password = request.POST.get("password", "")
user = auth.authenticate(username=username, password=password)
if user is not None and user.is_active:
auth.login(request, user)
return HttpResponseRedirect(request.POST.get("next", "/"))
else:
error = "错误的用户名或密码"
# assert False
return render(
request,
"auth/login.html",
dict(
{"error": error, "next": request.GET.get("next", "/login/?successful=successful&next=" + next)}.items()
+ csrf(request).items()
),
)
def downloadFile(request, username, path):
if not request.user.is_authenticated() or not request.user.username == username:
return showMessagePage(request, '错误', '您没有权限')
fullPath = os.path.join(settings.USER_FILE_PATH, escapePath(username), escapePath(path))
respond = HttpResponse(yieldFile(fullPath))
respond['Content-Disposition'] = 'attachment; filename=%s' % os.path.basename(fullPath).encode('utf-8')
return respond
def showTablePage(request, path):
'''
Display a table for a request.
path: The path of csv file
Return a httpRespond.
'''
# Decide whether the user can view the file
if not request.user.is_authenticated():
return showMessagePage(request, '无法访问', '您没有登录，不能访问这个页面')
initPara = {'itemPerPage': 50, 'haveHeading': False, 'page': 1}
cd = initPara
# Get parameters from query string
if request.method == 'GET' and 'submit' in request.GET:
form = tablePageSettingsForm(request.GET)
if form.is_valid():
cd = form.cleaned_data
else:
cd = initPara
else:
form = tablePageSettingsForm(initPara)
cd = initPara
try:
cd['page'] = int(request.GET.get('page', '1'))
except ValueError:
cd['page'] = 1
# Fetch the file
csvfile = file(path, 'rb')
reader = csv.reader(csvfile)
lines = list(reader)
# Paging
if cd['haveHeading']:
paginator = Paginator(lines[1:], cd['itemPerPage'])
else:
paginator = Paginator(lines, cd['itemPerPage'])
try:
content = paginator.page(cd['page'])
except PageNotAnInteger:
content = paginator.page(1)
except EmptyPage:
content = paginator.page(paginator.num_pages)
# Rend
if cd['haveHeading']:
heading = list(lines[0])
else:
heading = []
respond = render(request, 'showdata/table.html',
{'title': '表格 ' + path,
'path': path,
'page_range': friendlyPageRange(paginator.page_range, content.number),
'paginator': paginator,
'content': content,
'table_headings': heading,
'form': form})
# Finishing
csvfile.close()
return respond
