[API] background image of login page

seahub/api2/endpoints/admin/login_bg_image.py

@@ -0,0 +1,59 @@
+# Copyright (c) 2012-2016 Seafile Ltd.
+import os
+import logging
+
+from rest_framework.authentication import SessionAuthentication
+from rest_framework.permissions import IsAdminUser
+from rest_framework.response import Response
+from rest_framework.views import APIView
+from rest_framework import status
+
+from seahub.api2.authentication import TokenAuthentication
+from seahub.api2.throttling import UserRateThrottle
+from seahub.api2.utils import api_error
+from seahub.settings import SEAHUB_DATA_ROOT, MEDIA_ROOT
+
+logger = logging.getLogger(__name__)
+
+CUSTOM_LOGIN_BG_IMAGE_PATH = 'custom/login-bg.jpg'
+
+
+class AdminLoginBgImage(APIView):
+
+    authentication_classes = (TokenAuthentication, SessionAuthentication)
+    throttle_classes = (UserRateThrottle, )
+    permission_classes = (IsAdminUser,)
+
+    def post(self, request):
+        image_file = request.FILES.get('login_bg_image', None)
+        if not image_file:
+            error_msg = 'background image invalid'
+            return api_error(status.HTTP_400_BAD_REQUEST, error_msg)
+
+        if not os.path.exists(SEAHUB_DATA_ROOT):
+            os.makedirs(SEAHUB_DATA_ROOT)
+
+        custom_dir = os.path.join(SEAHUB_DATA_ROOT,
+                os.path.dirname(CUSTOM_LOGIN_BG_IMAGE_PATH))
+        if not os.path.exists(custom_dir):
+            os.makedirs(custom_dir)
+
+        try:
+            custom_login_bg_image_file = os.path.join(SEAHUB_DATA_ROOT,
+                    CUSTOM_LOGIN_BG_IMAGE_PATH)
+            # save login background image file to custom dir
+            with open(custom_login_bg_image_file, 'w') as fd:
+                fd.write(image_file.read())
+
+            custom_symlink = os.path.join(MEDIA_ROOT,
+                    os.path.dirname(CUSTOM_LOGIN_BG_IMAGE_PATH))
+            # create symlink for custom dir
+            if not os.path.exists(custom_symlink):
+                os.symlink(custom_dir, custom_symlink)
+
+        except Exception as e:
+            logger.error(e)
+            error_msg = 'Internal Server Error'
+            return api_error(status.HTTP_500_INTERNAL_SERVER_ERROR, error_msg)
+
+        return Response({'success': True})

seahub/auth/views.py

@@ -1,5 +1,6 @@
 # Copyright (c) 2012-2016 Seafile Ltd.
 import hashlib
+import os
 import re
 import logging
 from datetime import datetime
@@ -32,6 +33,8 @@ from seahub.utils.ip import get_remote_ip
 from seahub.utils.file_size import get_quota_from_string
 from seahub.utils.two_factor_auth import two_factor_auth_enabled, handle_two_factor_auth
 from seahub.utils.user_permissions import get_user_role
+from seahub.settings import LOGIN_BG_IMAGE_PATH, MEDIA_ROOT
+from seahub.api2.endpoints.admin.login_bg_image import CUSTOM_LOGIN_BG_IMAGE_PATH
 
 from constance import config
 
@@ -242,6 +245,12 @@ def login(request, template_name='registration/login.html',
     enable_krb5_login = getattr(settings, 'ENABLE_KRB5_LOGIN', False)
     enable_adfs_login = getattr(settings, 'ENABLE_ADFS_LOGIN', False)
 
+    login_bg_image_path = LOGIN_BG_IMAGE_PATH
+    # get path that background image of login page
+    custom_login_bg_image_file = os.path.join(MEDIA_ROOT, CUSTOM_LOGIN_BG_IMAGE_PATH)
+    if os.path.exists(custom_login_bg_image_file):
+        login_bg_image_path = CUSTOM_LOGIN_BG_IMAGE_PATH
+
     return render_to_response(template_name, {
         'form': form,
         redirect_field_name: redirect_to,
@@ -252,6 +261,7 @@ def login(request, template_name='registration/login.html',
         'enable_shib_login': enable_shib_login,
         'enable_krb5_login': enable_krb5_login,
         'enable_adfs_login': enable_adfs_login,
+        'login_bg_image_path': login_bg_image_path,
     }, context_instance=RequestContext(request))
 
 def login_simple_check(request):

seahub/settings.py

@@ -422,6 +422,9 @@ SITE_NAME = 'Seafile'
 # Path to the license file(relative to the media path)
 LICENSE_PATH = os.path.join(PROJECT_ROOT, '../../seafile-license.txt')
 
+# Path to the background image file of login page(relative to the media path)
+LOGIN_BG_IMAGE_PATH = 'img/login-bg.jpg'
+
 # Path to the favicon file (relative to the media path)
 # tip: use a different name when modify it.
 FAVICON_PATH = 'img/favicon.ico'

seahub/templates/registration/login.html

@@ -8,7 +8,7 @@
 <style type="text/css">
 html, body, #wrapper { height:100%; }
 #wrapper {
-    background: url('{{ MEDIA_URL }}img/login-bg.jpg') center top no-repeat scroll;
+    background: url('{{ MEDIA_URL }}{{login_bg_image_path}}') center top no-repeat scroll;
     background-size: cover;
     padding-top:1px;
 }

seahub/templates/sysadmin/settings.html

@@ -33,6 +33,10 @@
         {% include "snippets/web_settings_form.html" %}
     {% endwith %}
 
+    {% with type="file" setting_display_name="Login_Background_Image" setting_name="login_bg_image" file_path=login_bg_image_path file_width=256 file_height=256 help_tip="login-bg.jpg, 1920px * 1080px" %}
+        {% include "snippets/web_settings_form.html" %}
+    {% endwith %}
+
     <h4>{% trans "User" %}</h4>
 
     {% with type="checkbox" setting_name="ENABLE_SIGNUP" setting_val=config_dict.ENABLE_SIGNUP %}
@@ -277,6 +281,7 @@ $('.web-setting-file-upload-input').change(function() {
     switch(input_name) {
         case 'logo': url = '{% url 'api-v2.1-admin-logo' %}'; break;
         case 'favicon': url = '{% url 'api-v2.1-admin-favicon' %}'; break;
+        case 'login_bg_image': url = '{% url 'api-v2.1-admin-login-background-image' %}'; break;
     }
 
     fd.append(input_name, file);

seahub/urls.py

@@ -85,6 +85,7 @@ from seahub.api2.endpoints.admin.favicon import AdminFavicon
 from seahub.api2.endpoints.admin.license import AdminLicense
 from seahub.api2.endpoints.admin.invitations import InvitationsView as AdminInvitationsView
 from seahub.api2.endpoints.admin.library_history import AdminLibraryHistoryLimit
+from seahub.api2.endpoints.admin.login_bg_image import AdminLoginBgImage
 
 # Uncomment the next two lines to enable the admin:
 #from django.contrib import admin
@@ -336,6 +337,7 @@ urlpatterns = patterns(
     url(r'^api/v2.1/admin/logo/$', AdminLogo.as_view(), name='api-v2.1-admin-logo'),
     url(r'^api/v2.1/admin/favicon/$', AdminFavicon.as_view(), name='api-v2.1-admin-favicon'),
     url(r'^api/v2.1/admin/license/$', AdminLicense.as_view(), name='api-v2.1-admin-license'),
+    url(r'^api/v2.1/admin/login-background-image/$', AdminLoginBgImage.as_view(), name='api-v2.1-admin-login-background-image'),
 
     ## admin::invitations
     url(r'^api/v2.1/admin/invitations/$', AdminInvitationsView.as_view(), name='api-v2.1-admin-invitations'),

seahub/views/sysadmin.py

@@ -65,7 +65,9 @@ from seahub.admin_log.models import USER_DELETE, USER_ADD
 import seahub.settings as settings
 from seahub.settings import INIT_PASSWD, SITE_NAME, SITE_ROOT, \
     SEND_EMAIL_ON_ADDING_SYSTEM_MEMBER, SEND_EMAIL_ON_RESETTING_USER_PASSWD, \
-    ENABLE_SYS_ADMIN_VIEW_REPO, ENABLE_GUEST_INVITATION
+    ENABLE_SYS_ADMIN_VIEW_REPO, ENABLE_GUEST_INVITATION, LOGIN_BG_IMAGE_PATH, \
+    MEDIA_ROOT
+from seahub.api2.endpoints.admin.login_bg_image import CUSTOM_LOGIN_BG_IMAGE_PATH
 try:
     from seahub.settings import ENABLE_TRIAL_ACCOUNT
 except:
@@ -2071,8 +2073,15 @@ def sys_settings(request):
         value = getattr(config, key)
         config_dict[key] = value
 
+    login_bg_image_path = LOGIN_BG_IMAGE_PATH
+    # get path that background image of login page
+    custom_login_bg_image_file = os.path.join(MEDIA_ROOT, CUSTOM_LOGIN_BG_IMAGE_PATH)
+    if os.path.exists(custom_login_bg_image_file):
+        login_bg_image_path = CUSTOM_LOGIN_BG_IMAGE_PATH
+
     return render_to_response('sysadmin/settings.html', {
         'config_dict': config_dict,
+        'login_bg_image_path': login_bg_image_path,
     }, context_instance=RequestContext(request))
 
 @login_required_ajax