Move serv hook functionality & drop GitLogger (#6993)

* Move hook functionality internally

* Internalise serv logic

* Remove old internal paths

* finally remove the gitlogger

* Disallow push on archived repositories

* fix lint error

* Update modules/private/key.go

* Update routers/private/hook.go

* Update routers/private/hook.go

* Update routers/private/hook.go

* Updated routers/private/serv.go

* Fix LFS Locks over SSH

* rev-list needs to be run by the hook process

* fixup

* Improve git test

* Ensure that the lfs files are created with a different prefix

* Reduce the replication in git_test.go

* slight refactor

* Remove unnecessary "/"

* Restore ensureAnonymousClone

* Restore ensureAnonymousClone

* Run rev-list on server side

* Try passing in the alternative directories instead

* Mark test as skipped

* Improve git test

* Ensure that the lfs files are created with a different prefix
* Reduce the replication in git_test.go
* Remove unnecessary "/"

1 files changed, 36 insertions, 89 deletions

diff --git a/cmd/hook.go b/cmd/hook.go
index f8bd34c4e9..b3e900afee 100644
--- a/cmd/hook.go
+++ b/cmd/hook.go
@@ -8,15 +8,14 @@ import (
 	"bufio"
 	"bytes"
 	"fmt"
+	"net/http"
 	"os"
 	"strconv"
 	"strings"
 
 	"code.gitea.io/gitea/models"
 	"code.gitea.io/gitea/modules/git"
-	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/private"
-	"code.gitea.io/gitea/modules/util"
 
 	"github.com/urfave/cli"
 )
@@ -62,12 +61,10 @@ func runHookPreReceive(c *cli.Context) error {
 	setup("hooks/pre-receive.log")
 
 	// the environment setted on serv command
-	repoID, _ := strconv.ParseInt(os.Getenv(models.ProtectedBranchRepoID), 10, 64)
 	isWiki := (os.Getenv(models.EnvRepoIsWiki) == "true")
 	username := os.Getenv(models.EnvRepoUsername)
 	reponame := os.Getenv(models.EnvRepoName)
-	userIDStr := os.Getenv(models.EnvPusherID)
-	repoPath := models.RepoPath(username, reponame)
+	userID, _ := strconv.ParseInt(os.Getenv(models.EnvPusherID), 10, 64)
 
 	buf := bytes.NewBuffer(nil)
 	scanner := bufio.NewScanner(os.Stdin)
@@ -91,35 +88,19 @@ func runHookPreReceive(c *cli.Context) error {
 
 		// If the ref is a branch, check if it's protected
 		if strings.HasPrefix(refFullName, git.BranchPrefix) {
-			branchName := strings.TrimPrefix(refFullName, git.BranchPrefix)
-			protectBranch, err := private.GetProtectedBranchBy(repoID, branchName)
-			if err != nil {
-				fail("Internal error", fmt.Sprintf("retrieve protected branches information failed: %v", err))
-			}
-
-			if protectBranch != nil && protectBranch.IsProtected() {
-				// check and deletion
-				if newCommitID == git.EmptySHA {
-					fail(fmt.Sprintf("branch %s is protected from deletion", branchName), "")
-				}
-
-				// detect force push
-				if git.EmptySHA != oldCommitID {
-					output, err := git.NewCommand("rev-list", "--max-count=1", oldCommitID, "^"+newCommitID).RunInDir(repoPath)
-					if err != nil {
-						fail("Internal error", "Fail to detect force push: %v", err)
-					} else if len(output) > 0 {
-						fail(fmt.Sprintf("branch %s is protected from force push", branchName), "")
-					}
-				}
-
-				userID, _ := strconv.ParseInt(userIDStr, 10, 64)
-				canPush, err := private.CanUserPush(protectBranch.ID, userID)
-				if err != nil {
-					fail("Internal error", "Fail to detect user can push: %v", err)
-				} else if !canPush {
-					fail(fmt.Sprintf("protected branch %s can not be pushed to", branchName), "")
-				}
+			statusCode, msg := private.HookPreReceive(username, reponame, private.HookOptions{
+				OldCommitID:                     oldCommitID,
+				NewCommitID:                     newCommitID,
+				RefFullName:                     refFullName,
+				UserID:                          userID,
+				GitAlternativeObjectDirectories: os.Getenv(private.GitAlternativeObjectDirectories),
+				GitObjectDirectory:              os.Getenv(private.GitObjectDirectory),
+			})
+			switch statusCode {
+			case http.StatusInternalServerError:
+				fail("Internal Server Error", msg)
+			case http.StatusForbidden:
+				fail(msg, "")
 			}
 		}
 	}
@@ -145,7 +126,6 @@ func runHookPostReceive(c *cli.Context) error {
 	setup("hooks/post-receive.log")
 
 	// the environment setted on serv command
-	repoID, _ := strconv.ParseInt(os.Getenv(models.ProtectedBranchRepoID), 10, 64)
 	repoUser := os.Getenv(models.EnvRepoUsername)
 	isWiki := (os.Getenv(models.EnvRepoIsWiki) == "true")
 	repoName := os.Getenv(models.EnvRepoName)
@@ -172,64 +152,31 @@ func runHookPostReceive(c *cli.Context) error {
 		newCommitID := string(fields[1])
 		refFullName := string(fields[2])
 
-		// Only trigger activity updates for changes to branches or
-		// tags.  Updates to other refs (eg, refs/notes, refs/changes,
-		// or other less-standard refs spaces are ignored since there
-		// may be a very large number of them).
-		if strings.HasPrefix(refFullName, git.BranchPrefix) || strings.HasPrefix(refFullName, git.TagPrefix) {
-			if err := private.PushUpdate(models.PushUpdateOptions{
-				RefFullName:  refFullName,
-				OldCommitID:  oldCommitID,
-				NewCommitID:  newCommitID,
-				PusherID:     pusherID,
-				PusherName:   pusherName,
-				RepoUserName: repoUser,
-				RepoName:     repoName,
-			}); err != nil {
-				log.GitLogger.Error("Update: %v", err)
-			}
-		}
-
-		if newCommitID != git.EmptySHA && strings.HasPrefix(refFullName, git.BranchPrefix) {
-			branch := strings.TrimPrefix(refFullName, git.BranchPrefix)
-			repo, pullRequestAllowed, err := private.GetRepository(repoID)
-			if err != nil {
-				log.GitLogger.Error("get repo: %v", err)
-				break
-			}
-			if !pullRequestAllowed {
-				break
-			}
-
-			baseRepo := repo
-			if repo.IsFork {
-				baseRepo = repo.BaseRepo
-			}
-
-			if !repo.IsFork && branch == baseRepo.DefaultBranch {
-				break
-			}
+		res, err := private.HookPostReceive(repoUser, repoName, private.HookOptions{
+			OldCommitID: oldCommitID,
+			NewCommitID: newCommitID,
+			RefFullName: refFullName,
+			UserID:      pusherID,
+			UserName:    pusherName,
+		})
 
-			pr, err := private.ActivePullRequest(baseRepo.ID, repo.ID, baseRepo.DefaultBranch, branch)
-			if err != nil {
-				log.GitLogger.Error("get active pr: %v", err)
-				break
-			}
+		if res == nil {
+			fail("Internal Server Error", err)
+		}
 
-			fmt.Fprintln(os.Stderr, "")
-			if pr == nil {
-				if repo.IsFork {
-					branch = fmt.Sprintf("%s:%s", repo.OwnerName, branch)
-				}
-				fmt.Fprintf(os.Stderr, "Create a new pull request for '%s':\n", branch)
-				fmt.Fprintf(os.Stderr, "  %s/compare/%s...%s\n", baseRepo.HTMLURL(), util.PathEscapeSegments(baseRepo.DefaultBranch), util.PathEscapeSegments(branch))
-			} else {
-				fmt.Fprint(os.Stderr, "Visit the existing pull request:\n")
-				fmt.Fprintf(os.Stderr, "  %s/pulls/%d\n", baseRepo.HTMLURL(), pr.Index)
-			}
-			fmt.Fprintln(os.Stderr, "")
+		if res["message"] == false {
+			continue
 		}
 
+		fmt.Fprintln(os.Stderr, "")
+		if res["create"] == true {
+			fmt.Fprintf(os.Stderr, "Create a new pull request for '%s':\n", res["branch"])
+			fmt.Fprintf(os.Stderr, "  %s\n", res["url"])
+		} else {
+			fmt.Fprint(os.Stderr, "Visit the existing pull request:\n")
+			fmt.Fprintf(os.Stderr, "  %s\n", res["url"])
+		}
+		fmt.Fprintln(os.Stderr, "")
 	}
 
 	return nil