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uploads.go
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uploads.go
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// Copyright 2018-2021 CERN
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package capabilities
import (
"strings"
"github.com/cs3org/reva/v2/internal/http/services/owncloud/ocs/data"
)
type chunkProtocol string
var (
chunkV1 chunkProtocol = "v1"
chunkNG chunkProtocol = "ng"
chunkTUS chunkProtocol = "tus"
)
func (h *Handler) getCapabilitiesForUserAgent(userAgent string) data.CapabilitiesData {
if userAgent != "" {
for k, v := range h.userAgentChunkingMap {
// we could also use a regexp for pattern matching
if strings.Contains(userAgent, k) {
// Creating a copy of the capabilities struct is less expensive than taking a lock
c := h.c
setCapabilitiesForChunkProtocol(chunkProtocol(v), &c)
return c
}
}
}
return h.c
}
func setCapabilitiesForChunkProtocol(cp chunkProtocol, c *data.CapabilitiesData) {
switch cp {
case chunkV1:
// 2.7+ will use Chunking V1 if "capabilities > files > bigfilechunking" is "true" AND "capabilities > dav > chunking" is not there
c.Capabilities.Files.BigFileChunking = true
c.Capabilities.Dav = nil
c.Capabilities.Files.TusSupport = nil
case chunkNG:
// 2.7+ will use Chunking NG if "capabilities > files > bigfilechunking" is "true" AND "capabilities > dav > chunking" = 1.0
c.Capabilities.Files.BigFileChunking = true
c.Capabilities.Dav.Chunking = "1.0"
c.Capabilities.Files.TusSupport = nil
case chunkTUS:
// 2.7+ will use TUS if "capabilities > files > bigfilechunking" is "false" AND "capabilities > dav > chunking" = "" AND "capabilities > files > tus_support" has proper entries.
c.Capabilities.Files.BigFileChunking = false
c.Capabilities.Dav.Chunking = ""
// TODO: infer from various TUS handlers from all known storages
// until now we take the manually configured tus options
// c.Capabilities.Files.TusSupport = &data.CapabilitiesFilesTusSupport{
// Version: "1.0.0",
// Resumable: "1.0.0",
// Extension: "creation,creation-with-upload",
// MaxChunkSize: 0,
// HTTPMethodOverride: "",
// }
}
}