mirror of https://github.com/harness/drone.git
84 lines
2.9 KiB
Go
84 lines
2.9 KiB
Go
// Copyright 2022 Harness Inc. All rights reserved.
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// Use of this source code is governed by the Polyform Free Trial License
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// that can be found in the LICENSE.md file for this repository.
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package router
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import (
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"fmt"
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"net/http"
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"github.com/harness/gitness/gitrpc"
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handlerrepo "github.com/harness/gitness/internal/api/handler/repo"
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middlewareauthn "github.com/harness/gitness/internal/api/middleware/authn"
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"github.com/harness/gitness/internal/api/middleware/encode"
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"github.com/harness/gitness/internal/api/middleware/logging"
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"github.com/harness/gitness/internal/api/request"
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"github.com/harness/gitness/internal/auth/authn"
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"github.com/harness/gitness/internal/auth/authz"
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"github.com/harness/gitness/internal/store"
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"github.com/harness/gitness/internal/url"
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"github.com/harness/gitness/types"
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"github.com/go-chi/chi"
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"github.com/go-chi/chi/middleware"
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"github.com/rs/zerolog/hlog"
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)
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// GitHandler is an abstraction of an http handler that handles git calls.
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type GitHandler interface {
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http.Handler
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}
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// NewGitHandler returns a new GitHandler.
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func NewGitHandler(
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config *types.Config,
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urlProvider *url.Provider,
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repoStore store.RepoStore,
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authenticator authn.Authenticator,
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authorizer authz.Authorizer,
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client gitrpc.Interface,
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) GitHandler {
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// Use go-chi router for inner routing.
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r := chi.NewRouter()
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// Apply common api middleware.
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r.Use(middleware.NoCache)
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r.Use(middleware.Recoverer)
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// configure logging middleware.
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r.Use(hlog.URLHandler("http.url"))
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r.Use(hlog.MethodHandler("http.method"))
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r.Use(logging.HLogRequestIDHandler())
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r.Use(logging.HLogAccessLogHandler())
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r.Route(fmt.Sprintf("/{%s}", request.PathParamRepoRef), func(r chi.Router) {
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r.Use(middlewareauthn.Attempt(authenticator))
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// smart protocol
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r.Handle("/git-upload-pack", handlerrepo.GetUploadPack(client, urlProvider, repoStore, authorizer))
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r.Post("/git-receive-pack", handlerrepo.PostReceivePack(client, urlProvider, repoStore, authorizer))
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r.Get("/info/refs", handlerrepo.GetInfoRefs(client, repoStore, authorizer))
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// dumb protocol
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r.Get("/HEAD", stubGitHandler(repoStore))
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r.Get("/objects/info/alternates", stubGitHandler(repoStore))
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r.Get("/objects/info/http-alternates", stubGitHandler(repoStore))
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r.Get("/objects/info/packs", stubGitHandler(repoStore))
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r.Get("/objects/info/{file:[^/]*}", stubGitHandler(repoStore))
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r.Get("/objects/{head:[0-9a-f]{2}}/{hash:[0-9a-f]{38}}", stubGitHandler(repoStore))
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r.Get("/objects/pack/pack-{file:[0-9a-f]{40}}.pack", stubGitHandler(repoStore))
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r.Get("/objects/pack/pack-{file:[0-9a-f]{40}}.idx", stubGitHandler(repoStore))
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})
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// wrap router in git path encoder.
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return encode.GitPathBefore(r)
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}
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func stubGitHandler(repoStore store.RepoStore) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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_, _ = w.Write([]byte("Seems like an asteroid destroyed the ancient git protocol"))
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w.WriteHeader(http.StatusBadGateway)
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}
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}
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