Fix nil pointer dereference error when open link with invalid pull index (#26353)

fix #26331 

Before:

![image](https://github.com/go-gitea/gitea/assets/50507092/028e6944-84d1-4404-80b6-4a4accdc7d0a)

After:

![image](https://github.com/go-gitea/gitea/assets/50507092/b78978f9-e77f-459f-96e1-3a1f36ec8abe)
This commit is contained in:
CaiCandong 2023-08-07 11:43:18 +08:00 committed by GitHub
parent 049e400327
commit 24fbf4e059
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 30 additions and 29 deletions

View File

@ -299,7 +299,7 @@ func ForkPost(ctx *context.Context) {
ctx.Redirect(ctxUser.HomeLink() + "/" + url.PathEscape(repo.Name))
}
func checkPullInfo(ctx *context.Context) *issues_model.Issue {
func getPullInfo(ctx *context.Context) (issue *issues_model.Issue, ok bool) {
issue, err := issues_model.GetIssueByIndex(ctx, ctx.Repo.Repository.ID, ctx.ParamsInt64(":index"))
if err != nil {
if issues_model.IsErrIssueNotExist(err) {
@ -307,43 +307,43 @@ func checkPullInfo(ctx *context.Context) *issues_model.Issue {
} else {
ctx.ServerError("GetIssueByIndex", err)
}
return nil
return nil, false
}
if err = issue.LoadPoster(ctx); err != nil {
ctx.ServerError("LoadPoster", err)
return nil
return nil, false
}
if err := issue.LoadRepo(ctx); err != nil {
ctx.ServerError("LoadRepo", err)
return nil
return nil, false
}
ctx.Data["Title"] = fmt.Sprintf("#%d - %s", issue.Index, issue.Title)
ctx.Data["Issue"] = issue
if !issue.IsPull {
ctx.NotFound("ViewPullCommits", nil)
return nil
return nil, false
}
if err = issue.LoadPullRequest(ctx); err != nil {
ctx.ServerError("LoadPullRequest", err)
return nil
return nil, false
}
if err = issue.PullRequest.LoadHeadRepo(ctx); err != nil {
ctx.ServerError("LoadHeadRepo", err)
return nil
return nil, false
}
if ctx.IsSigned {
// Update issue-user.
if err = activities_model.SetIssueReadBy(ctx, issue.ID, ctx.Doer.ID); err != nil {
ctx.ServerError("ReadBy", err)
return nil
return nil, false
}
}
return issue
return issue, true
}
func setMergeTarget(ctx *context.Context, pull *issues_model.PullRequest) {
@ -361,14 +361,15 @@ func setMergeTarget(ctx *context.Context, pull *issues_model.PullRequest) {
// GetPullDiffStats get Pull Requests diff stats
func GetPullDiffStats(ctx *context.Context) {
issue := checkPullInfo(ctx)
issue, ok := getPullInfo(ctx)
if !ok {
return
}
pull := issue.PullRequest
mergeBaseCommitID := GetMergedBaseCommitID(ctx, issue)
if ctx.Written() {
return
} else if mergeBaseCommitID == "" {
if mergeBaseCommitID == "" {
ctx.NotFound("PullFiles", nil)
return
}
@ -702,8 +703,8 @@ type pullCommitList struct {
// GetPullCommits get all commits for given pull request
func GetPullCommits(ctx *context.Context) {
issue := checkPullInfo(ctx)
if ctx.Written() {
issue, ok := getPullInfo(ctx)
if !ok {
return
}
resp := &pullCommitList{}
@ -735,8 +736,8 @@ func ViewPullCommits(ctx *context.Context) {
ctx.Data["PageIsPullList"] = true
ctx.Data["PageIsPullCommits"] = true
issue := checkPullInfo(ctx)
if ctx.Written() {
issue, ok := getPullInfo(ctx)
if !ok {
return
}
pull := issue.PullRequest
@ -779,8 +780,8 @@ func viewPullFiles(ctx *context.Context, specifiedStartCommit, specifiedEndCommi
ctx.Data["PageIsPullList"] = true
ctx.Data["PageIsPullFiles"] = true
issue := checkPullInfo(ctx)
if ctx.Written() {
issue, ok := getPullInfo(ctx)
if !ok {
return
}
pull := issue.PullRequest
@ -1016,8 +1017,8 @@ func ViewPullFilesForAllCommitsOfPr(ctx *context.Context) {
// UpdatePullRequest merge PR's baseBranch into headBranch
func UpdatePullRequest(ctx *context.Context) {
issue := checkPullInfo(ctx)
if ctx.Written() {
issue, ok := getPullInfo(ctx)
if !ok {
return
}
if issue.IsClosed {
@ -1101,8 +1102,8 @@ func UpdatePullRequest(ctx *context.Context) {
// MergePullRequest response for merging pull request
func MergePullRequest(ctx *context.Context) {
form := web.GetForm(ctx).(*forms.MergePullRequestForm)
issue := checkPullInfo(ctx)
if ctx.Written() {
issue, ok := getPullInfo(ctx)
if !ok {
return
}
@ -1308,8 +1309,8 @@ func MergePullRequest(ctx *context.Context) {
// CancelAutoMergePullRequest cancels a scheduled pr
func CancelAutoMergePullRequest(ctx *context.Context) {
issue := checkPullInfo(ctx)
if ctx.Written() {
issue, ok := getPullInfo(ctx)
if !ok {
return
}
@ -1447,8 +1448,8 @@ func CompareAndPullRequestPost(ctx *context.Context) {
// CleanUpPullRequest responses for delete merged branch when PR has been merged
func CleanUpPullRequest(ctx *context.Context) {
issue := checkPullInfo(ctx)
if ctx.Written() {
issue, ok := getPullInfo(ctx)
if !ok {
return
}

View File

@ -259,8 +259,8 @@ type viewedFilesUpdate struct {
func UpdateViewedFiles(ctx *context.Context) {
// Find corresponding PR
issue := checkPullInfo(ctx)
if ctx.Written() {
issue, ok := getPullInfo(ctx)
if !ok {
return
}
pull := issue.PullRequest