mirror of https://github.com/harness/drone.git
77 lines
2.0 KiB
Go
77 lines
2.0 KiB
Go
// Copyright 2023 Harness, Inc.
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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 router
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import (
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"net/http"
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"strings"
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"github.com/harness/gitness/app/api/render"
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"github.com/rs/zerolog/log"
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)
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const GitMount = "/git"
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type GitRouter struct {
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handler http.Handler
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// gitHost describes the optional host via which git traffic is identified.
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// Note: always stored as lowercase.
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gitHost string
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}
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func NewGitRouter(handler http.Handler, gitHost string) *GitRouter {
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return &GitRouter{handler: handler, gitHost: gitHost}
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}
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func (r *GitRouter) Handle(w http.ResponseWriter, req *http.Request) {
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// remove matched prefix to simplify API handlers (only if it's there)
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if err := StripPrefix(GitMount, req); err != nil {
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log.Ctx(req.Context()).Err(err).Msgf("Failed striping of prefix for git request.")
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render.InternalError(req.Context(), w)
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return
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}
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r.handler.ServeHTTP(w, req)
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}
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func (r *GitRouter) IsEligibleTraffic(req *http.Request) bool {
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// All Git originating traffic starts with "/space1/space2/repo.git".
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// git traffic is always reachable via the git mounting path.
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p := req.URL.Path
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if strings.HasPrefix(p, GitMount+"/") {
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return true
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}
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// otherwise check if the request came in via the configured git host (if enabled)
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if len(r.gitHost) > 0 {
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// cut (optional) port off the host
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h, _, _ := strings.Cut(req.Host, ":")
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if strings.EqualFold(r.gitHost, h) {
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return true
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}
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}
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// otherwise we don't treat it as git traffic
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return false
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}
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func (r *GitRouter) Name() string {
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return "git"
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}
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