mirror of https://github.com/zulip/zulip.git
87 lines
3.5 KiB
Python
87 lines
3.5 KiB
Python
from __future__ import absolute_import
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from django.http import HttpRequest, HttpResponse, HttpResponseForbidden, FileResponse, \
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HttpResponseNotFound
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from django.shortcuts import redirect
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from django.utils.translation import ugettext as _
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from zerver.decorator import authenticated_json_post_view, zulip_login_required
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from zerver.lib.request import has_request_variables, REQ
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from zerver.lib.response import json_success, json_error
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from zerver.lib.upload import upload_message_image_from_request, get_local_file_path, \
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get_signed_upload_url, get_realm_for_filename
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from zerver.lib.validator import check_bool
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from zerver.models import UserProfile
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from django.conf import settings
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def upload_file_backend(request, user_profile):
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# type: (HttpRequest, UserProfile) -> HttpResponse
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if len(request.FILES) == 0:
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return json_error(_("You must specify a file to upload"))
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if len(request.FILES) != 1:
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return json_error(_("You may only upload one file at a time"))
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user_file = list(request.FILES.values())[0]
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if ((settings.MAX_FILE_UPLOAD_SIZE * 1024 * 1024) < user_file._get_size()):
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return json_error(_("File Upload is larger than allowed limit"))
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uri = upload_message_image_from_request(request, user_file, user_profile)
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return json_success({'uri': uri})
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def serve_s3(request, user_profile, realm_id_str, filename, redir):
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# type: (HttpRequest, UserProfile, str, str, bool) -> HttpResponse
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url_path = "%s/%s" % (realm_id_str, filename)
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if realm_id_str == "unk":
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realm_id = get_realm_for_filename(url_path)
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if realm_id is None:
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# File does not exist
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return HttpResponseNotFound('<p>File not found</p>')
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else:
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realm_id = int(realm_id_str)
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# Internal users can access all uploads so we can receive attachments in cross-realm messages
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if user_profile.realm.id == realm_id or user_profile.realm.domain == 'zulip.com':
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uri = get_signed_upload_url(url_path)
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if redir:
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return redirect(uri)
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else:
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return json_success({'uri': uri})
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else:
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return HttpResponseForbidden()
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# TODO: Rewrite this once we have django-sendfile
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def serve_local(request, path_id):
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# type: (HttpRequest, str) -> HttpResponse
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import os
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import mimetypes
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local_path = get_local_file_path(path_id)
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if local_path is None:
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return HttpResponseNotFound('<p>File not found</p>')
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filename = os.path.basename(local_path)
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response = FileResponse(open(local_path, 'rb'), content_type = mimetypes.guess_type(filename))
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return response
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response['Content-Disposition'] = 'attachment; filename=%s' % (filename)
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def serve_file_backend(request, user_profile, realm_id_str, filename, redir):
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# type: (HttpRequest, UserProfile, str, str, bool) -> HttpResponse
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path_id = "%s/%s" % (realm_id_str, filename)
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if settings.LOCAL_UPLOADS_DIR is not None:
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return serve_local(request, path_id)
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return serve_s3(request, user_profile, realm_id_str, filename, redir)
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@authenticated_json_post_view
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@has_request_variables
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def json_upload_file(request, user_profile):
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# type: (HttpRequest, UserProfile) -> HttpResponse
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return upload_file_backend(request, user_profile)
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@zulip_login_required
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@has_request_variables
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def get_uploaded_file(request, realm_id_str, filename,
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redir=REQ(validator=check_bool, default=True)):
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# type: (HttpRequest, str, str, bool) -> HttpResponse
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user_profile = request.user
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return serve_file_backend(request, user_profile, realm_id_str, filename, redir)
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