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// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// Package private includes all internal routes. The package name internal is ideal but Golang is not allowed, so we use private as package name instead.
package private
import (
"fmt"
"net/http"
"os"
"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/repofiles"
"code.gitea.io/gitea/modules/util"
macaron "gopkg.in/macaron.v1"
)
// HookPreReceive checks whether a individual commit is acceptable
func HookPreReceive(ctx *macaron.Context) {
ownerName := ctx.Params(":owner")
repoName := ctx.Params(":repo")
oldCommitID := ctx.QueryTrim("old")
newCommitID := ctx.QueryTrim("new")
refFullName := ctx.QueryTrim("ref")
userID := ctx.QueryInt64("userID")
gitObjectDirectory := ctx.QueryTrim("gitObjectDirectory")
gitAlternativeObjectDirectories := ctx.QueryTrim("gitAlternativeObjectDirectories")
prID := ctx.QueryInt64("prID")
branchName := strings.TrimPrefix(refFullName, git.BranchPrefix)
repo, err := models.GetRepositoryByOwnerAndName(ownerName, repoName)
if err != nil {
log.Error("Unable to get repository: %s/%s Error: %v", ownerName, repoName, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": err.Error(),
})
return
}
repo.OwnerName = ownerName
protectBranch, err := models.GetProtectedBranchBy(repo.ID, branchName)
if err != nil {
log.Error("Unable to get protected branch: %s in %-v Error: %v", branchName, repo, err)
ctx.JSON(500, map[string]interface{}{
"err": err.Error(),
})
return
}
if protectBranch != nil && protectBranch.IsProtected() {
// check and deletion
if newCommitID == git.EmptySHA {
log.Warn("Forbidden: Branch: %s in %-v is protected from deletion", branchName, repo)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from deletion", branchName),
})
return
}
// detect force push
if git.EmptySHA != oldCommitID {
env := append(os.Environ(),
private.GitAlternativeObjectDirectories+"="+gitAlternativeObjectDirectories,
private.GitObjectDirectory+"="+gitObjectDirectory,
private.GitQuarantinePath+"="+gitObjectDirectory,
)
output, err := git.NewCommand("rev-list", "--max-count=1", oldCommitID, "^"+newCommitID).RunInDirWithEnv(repo.RepoPath(), env)
if err != nil {
log.Error("Unable to detect force push between: %s and %s in %-v Error: %v", oldCommitID, newCommitID, repo, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Fail to detect force push: %v", err),
})
return
} else if len(output) > 0 {
log.Warn("Forbidden: Branch: %s in %-v is protected from force push", branchName, repo)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("branch %s is protected from force push", branchName),
})
return
}
}
canPush := protectBranch.CanUserPush(userID)
if !canPush && prID > 0 {
pr, err := models.GetPullRequestByID(prID)
if err != nil {
log.Error("Unable to get PullRequest %d Error: %v", prID, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Unable to get PullRequest %d Error: %v", prID, err),
})
return
}
if !protectBranch.HasEnoughApprovals(pr) {
log.Warn("Forbidden: User %d cannot push to protected branch: %s in %-v and pr #%d does not have enough approvals", userID, branchName, repo, pr.Index)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("protected branch %s can not be pushed to and pr #%d does not have enough approvals", branchName, prID),
})
return
}
} else if !canPush {
log.Warn("Forbidden: User %d cannot push to protected branch: %s in %-v", userID, branchName, repo)
ctx.JSON(http.StatusForbidden, map[string]interface{}{
"err": fmt.Sprintf("protected branch %s can not be pushed to", branchName),
})
return
}
}
ctx.PlainText(http.StatusOK, []byte("ok"))
}
// HookPostReceive updates services and users
func HookPostReceive(ctx *macaron.Context) {
ownerName := ctx.Params(":owner")
repoName := ctx.Params(":repo")
oldCommitID := ctx.Query("old")
newCommitID := ctx.Query("new")
refFullName := ctx.Query("ref")
userID := ctx.QueryInt64("userID")
userName := ctx.Query("username")
branch := refFullName
if strings.HasPrefix(refFullName, git.BranchPrefix) {
branch = strings.TrimPrefix(refFullName, git.BranchPrefix)
} else if strings.HasPrefix(refFullName, git.TagPrefix) {
branch = strings.TrimPrefix(refFullName, git.TagPrefix)
}
// 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) {
repo, err := models.GetRepositoryByOwnerAndName(ownerName, repoName)
if err != nil {
log.Error("Failed to get repository: %s/%s Error: %v", ownerName, repoName, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Failed to get repository: %s/%s Error: %v", ownerName, repoName, err),
})
return
}
if err := repofiles.PushUpdate(repo, branch, models.PushUpdateOptions{
RefFullName: refFullName,
OldCommitID: oldCommitID,
NewCommitID: newCommitID,
PusherID: userID,
PusherName: userName,
RepoUserName: ownerName,
RepoName: repoName,
}); err != nil {
log.Error("Failed to Update: %s/%s Branch: %s Error: %v", ownerName, repoName, branch, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Failed to Update: %s/%s Branch: %s Error: %v", ownerName, repoName, branch, err),
})
return
}
}
if newCommitID != git.EmptySHA && strings.HasPrefix(refFullName, git.BranchPrefix) {
repo, err := models.GetRepositoryByOwnerAndName(ownerName, repoName)
if err != nil {
log.Error("Failed to get repository: %s/%s Error: %v", ownerName, repoName, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Failed to get repository: %s/%s Error: %v", ownerName, repoName, err),
})
return
}
repo.OwnerName = ownerName
pullRequestAllowed := repo.AllowsPulls()
if !pullRequestAllowed {
ctx.JSON(http.StatusOK, map[string]interface{}{
"message": false,
})
return
}
baseRepo := repo
if repo.IsFork {
if err := repo.GetBaseRepo(); err != nil {
log.Error("Failed to get Base Repository of Forked repository: %-v Error: %v", repo, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf("Failed to get Base Repository of Forked repository: %-v Error: %v", repo, err),
})
return
}
baseRepo = repo.BaseRepo
}
if !repo.IsFork && branch == baseRepo.DefaultBranch {
ctx.JSON(http.StatusOK, map[string]interface{}{
"message": false,
})
return
}
pr, err := models.GetUnmergedPullRequest(repo.ID, baseRepo.ID, branch, baseRepo.DefaultBranch)
if err != nil && !models.IsErrPullRequestNotExist(err) {
log.Error("Failed to get active PR in: %-v Branch: %s to: %-v Branch: %s Error: %v", repo, branch, baseRepo, baseRepo.DefaultBranch, err)
ctx.JSON(http.StatusInternalServerError, map[string]interface{}{
"err": fmt.Sprintf(
"Failed to get active PR in: %-v Branch: %s to: %-v Branch: %s Error: %v", repo, branch, baseRepo, baseRepo.DefaultBranch, err),
})
return
}
if pr == nil {
if repo.IsFork {
branch = fmt.Sprintf("%s:%s", repo.OwnerName, branch)
}
ctx.JSON(http.StatusOK, map[string]interface{}{
"message": true,
"create": true,
"branch": branch,
"url": fmt.Sprintf("%s/compare/%s...%s", baseRepo.HTMLURL(), util.PathEscapeSegments(baseRepo.DefaultBranch), util.PathEscapeSegments(branch)),
})
} else {
ctx.JSON(http.StatusOK, map[string]interface{}{
"message": true,
"create": false,
"branch": branch,
"url": fmt.Sprintf("%s/pulls/%d", baseRepo.HTMLURL(), pr.Index),
})
}
return
}
ctx.JSON(http.StatusOK, map[string]interface{}{
"message": false,
})
}
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