2020-01-22 06:00:39 +01:00
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// Copyright Project Harbor Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package middlewares
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import (
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"net/http"
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"path"
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2020-01-22 06:00:39 +01:00
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"regexp"
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"strings"
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"github.com/astaxie/beego"
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"github.com/docker/distribution/reference"
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"github.com/goharbor/harbor/src/server/middleware"
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"github.com/goharbor/harbor/src/server/middleware/orm"
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"github.com/goharbor/harbor/src/server/middleware/requestid"
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"github.com/goharbor/harbor/src/server/middleware/transaction"
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)
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var (
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blobURLRe = regexp.MustCompile("^/v2/(" + reference.NameRegexp.String() + ")/blobs/" + reference.DigestRegexp.String())
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// fetchBlobAPISkipper skip transaction middleware for fetch blob API
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// because transaction use the ResponseBuffer for the response which will degrade the performance for fetch blob
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fetchBlobAPISkipper = middleware.MethodAndPathSkipper(http.MethodGet, blobURLRe)
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)
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// legacyAPISkipper skip middleware for legacy APIs
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func legacyAPISkipper(r *http.Request) bool {
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path := path.Clean(r.URL.EscapedPath())
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for _, prefix := range []string{"/v2/", "/api/v2.0/"} {
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if strings.HasPrefix(path, prefix) {
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return false
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}
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}
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return true
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}
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// MiddleWares returns global middlewares
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func MiddleWares() []beego.MiddleWare {
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return []beego.MiddleWare{
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requestid.Middleware(),
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orm.Middleware(legacyAPISkipper),
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transaction.Middleware(legacyAPISkipper, fetchBlobAPISkipper),
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}
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}
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