forgejo-federation/modules/context/repo.go
zeripath bbffcc3aec
Multiple Escaping Improvements (#17551)
There are multiple places where Gitea does not properly escape URLs that it is building and there are multiple places where it builds urls when there is already a simpler function available to use this.
    
This is an extensive PR attempting to fix these issues.

1. The first commit in this PR looks through all href, src and links in the Gitea codebase and has attempted to catch all the places where there is potentially incomplete escaping.
2. Whilst doing this we will prefer to use functions that create URLs over recreating them by hand.
3. All uses of strings should be directly escaped - even if they are not currently expected to contain escaping characters. The main benefit to doing this will be that we can consider relaxing the constraints on user names and reponames in future. 
4. The next commit looks at escaping in the wiki and re-considers the urls that are used there. Using the improved escaping here wiki files containing '/'. (This implementation will currently still place all of the wiki files the root directory of the repo but this would not be difficult to change.)
5. The title generation in feeds is now properly escaped.
6. EscapePound is no longer needed - urls should be PathEscaped / QueryEscaped as necessary but then re-escaped with Escape when creating html with locales Signed-off-by: Andrew Thornton <art27@cantab.net>

Signed-off-by: Andrew Thornton <art27@cantab.net>
2021-11-16 18:18:25 +00:00

975 lines
29 KiB
Go

// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2017 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 context
import (
"context"
"fmt"
"io"
"net/url"
"path"
"strings"
"code.gitea.io/gitea/models"
unit_model "code.gitea.io/gitea/models/unit"
"code.gitea.io/gitea/modules/cache"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/setting"
api "code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/util"
"github.com/editorconfig/editorconfig-core-go/v2"
"github.com/unknwon/com"
)
// IssueTemplateDirCandidates issue templates directory
var IssueTemplateDirCandidates = []string{
"ISSUE_TEMPLATE",
"issue_template",
".gitea/ISSUE_TEMPLATE",
".gitea/issue_template",
".github/ISSUE_TEMPLATE",
".github/issue_template",
".gitlab/ISSUE_TEMPLATE",
".gitlab/issue_template",
}
// PullRequest contains information to make a pull request
type PullRequest struct {
BaseRepo *models.Repository
Allowed bool
SameRepo bool
HeadInfoSubURL string // [<user>:]<branch> url segment
}
// Repository contains information to operate a repository
type Repository struct {
models.Permission
IsWatching bool
IsViewBranch bool
IsViewTag bool
IsViewCommit bool
Repository *models.Repository
Owner *models.User
Commit *git.Commit
Tag *git.Tag
GitRepo *git.Repository
BranchName string
TagName string
TreePath string
CommitID string
RepoLink string
CloneLink models.CloneLink
CommitsCount int64
Mirror *models.Mirror
PullRequest *PullRequest
}
// CanEnableEditor returns true if repository is editable and user has proper access level.
func (r *Repository) CanEnableEditor() bool {
return r.Permission.CanWrite(unit_model.TypeCode) && r.Repository.CanEnableEditor() && r.IsViewBranch && !r.Repository.IsArchived
}
// CanCreateBranch returns true if repository is editable and user has proper access level.
func (r *Repository) CanCreateBranch() bool {
return r.Permission.CanWrite(unit_model.TypeCode) && r.Repository.CanCreateBranch()
}
// RepoMustNotBeArchived checks if a repo is archived
func RepoMustNotBeArchived() func(ctx *Context) {
return func(ctx *Context) {
if ctx.Repo.Repository.IsArchived {
ctx.NotFound("IsArchived", fmt.Errorf(ctx.Tr("repo.archive.title")))
}
}
}
// CanCommitToBranchResults represents the results of CanCommitToBranch
type CanCommitToBranchResults struct {
CanCommitToBranch bool
EditorEnabled bool
UserCanPush bool
RequireSigned bool
WillSign bool
SigningKey string
WontSignReason string
}
// CanCommitToBranch returns true if repository is editable and user has proper access level
// and branch is not protected for push
func (r *Repository) CanCommitToBranch(doer *models.User) (CanCommitToBranchResults, error) {
protectedBranch, err := models.GetProtectedBranchBy(r.Repository.ID, r.BranchName)
if err != nil {
return CanCommitToBranchResults{}, err
}
userCanPush := true
requireSigned := false
if protectedBranch != nil {
userCanPush = protectedBranch.CanUserPush(doer.ID)
requireSigned = protectedBranch.RequireSignedCommits
}
sign, keyID, _, err := r.Repository.SignCRUDAction(doer, r.Repository.RepoPath(), git.BranchPrefix+r.BranchName)
canCommit := r.CanEnableEditor() && userCanPush
if requireSigned {
canCommit = canCommit && sign
}
wontSignReason := ""
if err != nil {
if models.IsErrWontSign(err) {
wontSignReason = string(err.(*models.ErrWontSign).Reason)
err = nil
} else {
wontSignReason = "error"
}
}
return CanCommitToBranchResults{
CanCommitToBranch: canCommit,
EditorEnabled: r.CanEnableEditor(),
UserCanPush: userCanPush,
RequireSigned: requireSigned,
WillSign: sign,
SigningKey: keyID,
WontSignReason: wontSignReason,
}, err
}
// CanUseTimetracker returns whether or not a user can use the timetracker.
func (r *Repository) CanUseTimetracker(issue *models.Issue, user *models.User) bool {
// Checking for following:
// 1. Is timetracker enabled
// 2. Is the user a contributor, admin, poster or assignee and do the repository policies require this?
isAssigned, _ := models.IsUserAssignedToIssue(issue, user)
return r.Repository.IsTimetrackerEnabled() && (!r.Repository.AllowOnlyContributorsToTrackTime() ||
r.Permission.CanWriteIssuesOrPulls(issue.IsPull) || issue.IsPoster(user.ID) || isAssigned)
}
// CanCreateIssueDependencies returns whether or not a user can create dependencies.
func (r *Repository) CanCreateIssueDependencies(user *models.User, isPull bool) bool {
return r.Repository.IsDependenciesEnabled() && r.Permission.CanWriteIssuesOrPulls(isPull)
}
// GetCommitsCount returns cached commit count for current view
func (r *Repository) GetCommitsCount() (int64, error) {
var contextName string
if r.IsViewBranch {
contextName = r.BranchName
} else if r.IsViewTag {
contextName = r.TagName
} else {
contextName = r.CommitID
}
return cache.GetInt64(r.Repository.GetCommitsCountCacheKey(contextName, r.IsViewBranch || r.IsViewTag), func() (int64, error) {
return r.Commit.CommitsCount()
})
}
// GetCommitGraphsCount returns cached commit count for current view
func (r *Repository) GetCommitGraphsCount(hidePRRefs bool, branches []string, files []string) (int64, error) {
cacheKey := fmt.Sprintf("commits-count-%d-graph-%t-%s-%s", r.Repository.ID, hidePRRefs, branches, files)
return cache.GetInt64(cacheKey, func() (int64, error) {
if len(branches) == 0 {
return git.AllCommitsCount(r.Repository.RepoPath(), hidePRRefs, files...)
}
return git.CommitsCountFiles(r.Repository.RepoPath(), branches, files)
})
}
// BranchNameSubURL sub-URL for the BranchName field
func (r *Repository) BranchNameSubURL() string {
switch {
case r.IsViewBranch:
return "branch/" + util.PathEscapeSegments(r.BranchName)
case r.IsViewTag:
return "tag/" + util.PathEscapeSegments(r.BranchName)
case r.IsViewCommit:
return "commit/" + util.PathEscapeSegments(r.BranchName)
}
log.Error("Unknown view type for repo: %v", r)
return ""
}
// FileExists returns true if a file exists in the given repo branch
func (r *Repository) FileExists(path string, branch string) (bool, error) {
if branch == "" {
branch = r.Repository.DefaultBranch
}
commit, err := r.GitRepo.GetBranchCommit(branch)
if err != nil {
return false, err
}
if _, err := commit.GetTreeEntryByPath(path); err != nil {
return false, err
}
return true, nil
}
// GetEditorconfig returns the .editorconfig definition if found in the
// HEAD of the default repo branch.
func (r *Repository) GetEditorconfig() (*editorconfig.Editorconfig, error) {
if r.GitRepo == nil {
return nil, nil
}
commit, err := r.GitRepo.GetBranchCommit(r.Repository.DefaultBranch)
if err != nil {
return nil, err
}
treeEntry, err := commit.GetTreeEntryByPath(".editorconfig")
if err != nil {
return nil, err
}
if treeEntry.Blob().Size() >= setting.UI.MaxDisplayFileSize {
return nil, git.ErrNotExist{ID: "", RelPath: ".editorconfig"}
}
reader, err := treeEntry.Blob().DataAsync()
if err != nil {
return nil, err
}
defer reader.Close()
return editorconfig.Parse(reader)
}
// RetrieveBaseRepo retrieves base repository
func RetrieveBaseRepo(ctx *Context, repo *models.Repository) {
// Non-fork repository will not return error in this method.
if err := repo.GetBaseRepo(); err != nil {
if models.IsErrRepoNotExist(err) {
repo.IsFork = false
repo.ForkID = 0
return
}
ctx.ServerError("GetBaseRepo", err)
return
} else if err = repo.BaseRepo.GetOwner(); err != nil {
ctx.ServerError("BaseRepo.GetOwner", err)
return
}
}
// RetrieveTemplateRepo retrieves template repository used to generate this repository
func RetrieveTemplateRepo(ctx *Context, repo *models.Repository) {
// Non-generated repository will not return error in this method.
if err := repo.GetTemplateRepo(); err != nil {
if models.IsErrRepoNotExist(err) {
repo.TemplateID = 0
return
}
ctx.ServerError("GetTemplateRepo", err)
return
} else if err = repo.TemplateRepo.GetOwner(); err != nil {
ctx.ServerError("TemplateRepo.GetOwner", err)
return
}
perm, err := models.GetUserRepoPermission(repo.TemplateRepo, ctx.User)
if err != nil {
ctx.ServerError("GetUserRepoPermission", err)
return
}
if !perm.CanRead(unit_model.TypeCode) {
repo.TemplateID = 0
}
}
// ComposeGoGetImport returns go-get-import meta content.
func ComposeGoGetImport(owner, repo string) string {
/// setting.AppUrl is guaranteed to be parse as url
appURL, _ := url.Parse(setting.AppURL)
return path.Join(appURL.Host, setting.AppSubURL, url.PathEscape(owner), url.PathEscape(repo))
}
// EarlyResponseForGoGetMeta responses appropriate go-get meta with status 200
// if user does not have actual access to the requested repository,
// or the owner or repository does not exist at all.
// This is particular a workaround for "go get" command which does not respect
// .netrc file.
func EarlyResponseForGoGetMeta(ctx *Context) {
username := ctx.Params(":username")
reponame := strings.TrimSuffix(ctx.Params(":reponame"), ".git")
if username == "" || reponame == "" {
ctx.PlainText(400, []byte("invalid repository path"))
return
}
ctx.PlainText(200, []byte(com.Expand(`<meta name="go-import" content="{GoGetImport} git {CloneLink}">`,
map[string]string{
"GoGetImport": ComposeGoGetImport(username, reponame),
"CloneLink": models.ComposeHTTPSCloneURL(username, reponame),
})))
}
// RedirectToRepo redirect to a differently-named repository
func RedirectToRepo(ctx *Context, redirectRepoID int64) {
ownerName := ctx.Params(":username")
previousRepoName := ctx.Params(":reponame")
repo, err := models.GetRepositoryByID(redirectRepoID)
if err != nil {
ctx.ServerError("GetRepositoryByID", err)
return
}
redirectPath := strings.Replace(
ctx.Req.URL.EscapedPath(),
url.PathEscape(ownerName)+"/"+url.PathEscape(previousRepoName),
url.PathEscape(repo.OwnerName)+"/"+url.PathEscape(repo.Name),
1,
)
if ctx.Req.URL.RawQuery != "" {
redirectPath += "?" + ctx.Req.URL.RawQuery
}
ctx.Redirect(path.Join(setting.AppSubURL, redirectPath))
}
func repoAssignment(ctx *Context, repo *models.Repository) {
var err error
if err = repo.GetOwner(); err != nil {
ctx.ServerError("GetOwner", err)
return
}
ctx.Repo.Permission, err = models.GetUserRepoPermission(repo, ctx.User)
if err != nil {
ctx.ServerError("GetUserRepoPermission", err)
return
}
// Check access.
if !ctx.Repo.Permission.HasAccess() {
if ctx.FormString("go-get") == "1" {
EarlyResponseForGoGetMeta(ctx)
return
}
ctx.NotFound("no access right", nil)
return
}
ctx.Data["HasAccess"] = true
ctx.Data["Permission"] = &ctx.Repo.Permission
if repo.IsMirror {
var err error
ctx.Repo.Mirror, err = models.GetMirrorByRepoID(repo.ID)
if err != nil {
ctx.ServerError("GetMirrorByRepoID", err)
return
}
ctx.Data["MirrorEnablePrune"] = ctx.Repo.Mirror.EnablePrune
ctx.Data["MirrorInterval"] = ctx.Repo.Mirror.Interval
ctx.Data["Mirror"] = ctx.Repo.Mirror
}
if err = repo.LoadPushMirrors(); err != nil {
ctx.ServerError("LoadPushMirrors", err)
return
}
ctx.Repo.Repository = repo
ctx.Data["RepoName"] = ctx.Repo.Repository.Name
ctx.Data["IsEmptyRepo"] = ctx.Repo.Repository.IsEmpty
}
// RepoIDAssignment returns a handler which assigns the repo to the context.
func RepoIDAssignment() func(ctx *Context) {
return func(ctx *Context) {
repoID := ctx.ParamsInt64(":repoid")
// Get repository.
repo, err := models.GetRepositoryByID(repoID)
if err != nil {
if models.IsErrRepoNotExist(err) {
ctx.NotFound("GetRepositoryByID", nil)
} else {
ctx.ServerError("GetRepositoryByID", err)
}
return
}
repoAssignment(ctx, repo)
}
}
// RepoAssignment returns a middleware to handle repository assignment
func RepoAssignment(ctx *Context) (cancel context.CancelFunc) {
var (
owner *models.User
err error
)
userName := ctx.Params(":username")
repoName := ctx.Params(":reponame")
repoName = strings.TrimSuffix(repoName, ".git")
// Check if the user is the same as the repository owner
if ctx.IsSigned && ctx.User.LowerName == strings.ToLower(userName) {
owner = ctx.User
} else {
owner, err = models.GetUserByName(userName)
if err != nil {
if models.IsErrUserNotExist(err) {
if ctx.FormString("go-get") == "1" {
EarlyResponseForGoGetMeta(ctx)
return
}
ctx.NotFound("GetUserByName", nil)
} else {
ctx.ServerError("GetUserByName", err)
}
return
}
}
ctx.Repo.Owner = owner
ctx.Data["Username"] = ctx.Repo.Owner.Name
// Get repository.
repo, err := models.GetRepositoryByName(owner.ID, repoName)
if err != nil {
if models.IsErrRepoNotExist(err) {
redirectRepoID, err := models.LookupRepoRedirect(owner.ID, repoName)
if err == nil {
RedirectToRepo(ctx, redirectRepoID)
} else if models.IsErrRepoRedirectNotExist(err) {
if ctx.FormString("go-get") == "1" {
EarlyResponseForGoGetMeta(ctx)
return
}
ctx.NotFound("GetRepositoryByName", nil)
} else {
ctx.ServerError("LookupRepoRedirect", err)
}
} else {
ctx.ServerError("GetRepositoryByName", err)
}
return
}
repo.Owner = owner
repoAssignment(ctx, repo)
if ctx.Written() {
return
}
ctx.Repo.RepoLink = repo.Link()
ctx.Data["RepoLink"] = ctx.Repo.RepoLink
ctx.Data["RepoRelPath"] = ctx.Repo.Owner.Name + "/" + ctx.Repo.Repository.Name
unit, err := ctx.Repo.Repository.GetUnit(unit_model.TypeExternalTracker)
if err == nil {
ctx.Data["RepoExternalIssuesLink"] = unit.ExternalTrackerConfig().ExternalTrackerURL
}
ctx.Data["NumTags"], err = models.GetReleaseCountByRepoID(ctx.Repo.Repository.ID, models.FindReleasesOptions{
IncludeTags: true,
})
if err != nil {
ctx.ServerError("GetReleaseCountByRepoID", err)
return
}
ctx.Data["NumReleases"], err = models.GetReleaseCountByRepoID(ctx.Repo.Repository.ID, models.FindReleasesOptions{})
if err != nil {
ctx.ServerError("GetReleaseCountByRepoID", err)
return
}
ctx.Data["Title"] = owner.Name + "/" + repo.Name
ctx.Data["Repository"] = repo
ctx.Data["Owner"] = ctx.Repo.Repository.Owner
ctx.Data["IsRepositoryOwner"] = ctx.Repo.IsOwner()
ctx.Data["IsRepositoryAdmin"] = ctx.Repo.IsAdmin()
ctx.Data["RepoOwnerIsOrganization"] = repo.Owner.IsOrganization()
ctx.Data["CanWriteCode"] = ctx.Repo.CanWrite(unit_model.TypeCode)
ctx.Data["CanWriteIssues"] = ctx.Repo.CanWrite(unit_model.TypeIssues)
ctx.Data["CanWritePulls"] = ctx.Repo.CanWrite(unit_model.TypePullRequests)
if ctx.Data["CanSignedUserFork"], err = ctx.Repo.Repository.CanUserFork(ctx.User); err != nil {
ctx.ServerError("CanUserFork", err)
return
}
ctx.Data["DisableSSH"] = setting.SSH.Disabled
ctx.Data["ExposeAnonSSH"] = setting.SSH.ExposeAnonymous
ctx.Data["DisableHTTP"] = setting.Repository.DisableHTTPGit
ctx.Data["RepoSearchEnabled"] = setting.Indexer.RepoIndexerEnabled
ctx.Data["CloneLink"] = repo.CloneLink()
ctx.Data["WikiCloneLink"] = repo.WikiCloneLink()
if ctx.IsSigned {
ctx.Data["IsWatchingRepo"] = models.IsWatching(ctx.User.ID, repo.ID)
ctx.Data["IsStaringRepo"] = models.IsStaring(ctx.User.ID, repo.ID)
}
if repo.IsFork {
RetrieveBaseRepo(ctx, repo)
if ctx.Written() {
return
}
}
if repo.IsGenerated() {
RetrieveTemplateRepo(ctx, repo)
if ctx.Written() {
return
}
}
// Disable everything when the repo is being created
if ctx.Repo.Repository.IsBeingCreated() {
ctx.Data["BranchName"] = ctx.Repo.Repository.DefaultBranch
return
}
gitRepo, err := git.OpenRepository(models.RepoPath(userName, repoName))
if err != nil {
ctx.ServerError("RepoAssignment Invalid repo "+models.RepoPath(userName, repoName), err)
return
}
ctx.Repo.GitRepo = gitRepo
// We opened it, we should close it
cancel = func() {
// If it's been set to nil then assume someone else has closed it.
if ctx.Repo.GitRepo != nil {
ctx.Repo.GitRepo.Close()
}
}
// Stop at this point when the repo is empty.
if ctx.Repo.Repository.IsEmpty {
ctx.Data["BranchName"] = ctx.Repo.Repository.DefaultBranch
return
}
tags, err := ctx.Repo.GitRepo.GetTags(0, 0)
if err != nil {
ctx.ServerError("GetTags", err)
return
}
ctx.Data["Tags"] = tags
brs, _, err := ctx.Repo.GitRepo.GetBranches(0, 0)
if err != nil {
ctx.ServerError("GetBranches", err)
return
}
ctx.Data["Branches"] = brs
ctx.Data["BranchesCount"] = len(brs)
ctx.Data["TagName"] = ctx.Repo.TagName
// If not branch selected, try default one.
// If default branch doesn't exists, fall back to some other branch.
if len(ctx.Repo.BranchName) == 0 {
if len(ctx.Repo.Repository.DefaultBranch) > 0 && gitRepo.IsBranchExist(ctx.Repo.Repository.DefaultBranch) {
ctx.Repo.BranchName = ctx.Repo.Repository.DefaultBranch
} else if len(brs) > 0 {
ctx.Repo.BranchName = brs[0]
}
}
ctx.Data["BranchName"] = ctx.Repo.BranchName
ctx.Data["CommitID"] = ctx.Repo.CommitID
// People who have push access or have forked repository can propose a new pull request.
canPush := ctx.Repo.CanWrite(unit_model.TypeCode) || (ctx.IsSigned && ctx.User.HasForkedRepo(ctx.Repo.Repository.ID))
canCompare := false
// Pull request is allowed if this is a fork repository
// and base repository accepts pull requests.
if repo.BaseRepo != nil && repo.BaseRepo.AllowsPulls() {
canCompare = true
ctx.Data["BaseRepo"] = repo.BaseRepo
ctx.Repo.PullRequest.BaseRepo = repo.BaseRepo
ctx.Repo.PullRequest.Allowed = canPush
ctx.Repo.PullRequest.HeadInfoSubURL = url.PathEscape(ctx.Repo.Owner.Name) + ":" + util.PathEscapeSegments(ctx.Repo.BranchName)
} else if repo.AllowsPulls() {
// Or, this is repository accepts pull requests between branches.
canCompare = true
ctx.Data["BaseRepo"] = repo
ctx.Repo.PullRequest.BaseRepo = repo
ctx.Repo.PullRequest.Allowed = canPush
ctx.Repo.PullRequest.SameRepo = true
ctx.Repo.PullRequest.HeadInfoSubURL = util.PathEscapeSegments(ctx.Repo.BranchName)
}
ctx.Data["CanCompareOrPull"] = canCompare
ctx.Data["PullRequestCtx"] = ctx.Repo.PullRequest
if ctx.Repo.Repository.Status == models.RepositoryPendingTransfer {
repoTransfer, err := models.GetPendingRepositoryTransfer(ctx.Repo.Repository)
if err != nil {
ctx.ServerError("GetPendingRepositoryTransfer", err)
return
}
if err := repoTransfer.LoadAttributes(); err != nil {
ctx.ServerError("LoadRecipient", err)
return
}
ctx.Data["RepoTransfer"] = repoTransfer
if ctx.User != nil {
ctx.Data["CanUserAcceptTransfer"] = repoTransfer.CanUserAcceptTransfer(ctx.User)
}
}
if ctx.FormString("go-get") == "1" {
ctx.Data["GoGetImport"] = ComposeGoGetImport(owner.Name, repo.Name)
prefix := repo.HTMLURL() + "/src/branch/" + util.PathEscapeSegments(ctx.Repo.BranchName)
ctx.Data["GoDocDirectory"] = prefix + "{/dir}"
ctx.Data["GoDocFile"] = prefix + "{/dir}/{file}#L{line}"
}
return
}
// RepoRefType type of repo reference
type RepoRefType int
const (
// RepoRefLegacy unknown type, make educated guess and redirect.
// for backward compatibility with previous URL scheme
RepoRefLegacy RepoRefType = iota
// RepoRefAny is for usage where educated guess is needed
// but redirect can not be made
RepoRefAny
// RepoRefBranch branch
RepoRefBranch
// RepoRefTag tag
RepoRefTag
// RepoRefCommit commit
RepoRefCommit
// RepoRefBlob blob
RepoRefBlob
)
// RepoRef handles repository reference names when the ref name is not
// explicitly given
func RepoRef() func(*Context) context.CancelFunc {
// since no ref name is explicitly specified, ok to just use branch
return RepoRefByType(RepoRefBranch)
}
// RefTypeIncludesBranches returns true if ref type can be a branch
func (rt RepoRefType) RefTypeIncludesBranches() bool {
if rt == RepoRefLegacy || rt == RepoRefAny || rt == RepoRefBranch {
return true
}
return false
}
// RefTypeIncludesTags returns true if ref type can be a tag
func (rt RepoRefType) RefTypeIncludesTags() bool {
if rt == RepoRefLegacy || rt == RepoRefAny || rt == RepoRefTag {
return true
}
return false
}
func getRefNameFromPath(ctx *Context, path string, isExist func(string) bool) string {
refName := ""
parts := strings.Split(path, "/")
for i, part := range parts {
refName = strings.TrimPrefix(refName+"/"+part, "/")
if isExist(refName) {
ctx.Repo.TreePath = strings.Join(parts[i+1:], "/")
return refName
}
}
return ""
}
func getRefName(ctx *Context, pathType RepoRefType) string {
path := ctx.Params("*")
switch pathType {
case RepoRefLegacy, RepoRefAny:
if refName := getRefName(ctx, RepoRefBranch); len(refName) > 0 {
return refName
}
if refName := getRefName(ctx, RepoRefTag); len(refName) > 0 {
return refName
}
// For legacy and API support only full commit sha
parts := strings.Split(path, "/")
if len(parts) > 0 && len(parts[0]) == 40 {
ctx.Repo.TreePath = strings.Join(parts[1:], "/")
return parts[0]
}
if refName := getRefName(ctx, RepoRefBlob); len(refName) > 0 {
return refName
}
ctx.Repo.TreePath = path
return ctx.Repo.Repository.DefaultBranch
case RepoRefBranch:
ref := getRefNameFromPath(ctx, path, ctx.Repo.GitRepo.IsBranchExist)
if len(ref) == 0 {
// maybe it's a renamed branch
return getRefNameFromPath(ctx, path, func(s string) bool {
b, exist, err := models.FindRenamedBranch(ctx.Repo.Repository.ID, s)
if err != nil {
log.Error("FindRenamedBranch", err)
return false
}
if !exist {
return false
}
ctx.Data["IsRenamedBranch"] = true
ctx.Data["RenamedBranchName"] = b.To
return true
})
}
return ref
case RepoRefTag:
return getRefNameFromPath(ctx, path, ctx.Repo.GitRepo.IsTagExist)
case RepoRefCommit:
parts := strings.Split(path, "/")
if len(parts) > 0 && len(parts[0]) >= 7 && len(parts[0]) <= 40 {
ctx.Repo.TreePath = strings.Join(parts[1:], "/")
return parts[0]
}
case RepoRefBlob:
_, err := ctx.Repo.GitRepo.GetBlob(path)
if err != nil {
return ""
}
return path
default:
log.Error("Unrecognized path type: %v", path)
}
return ""
}
// RepoRefByType handles repository reference name for a specific type
// of repository reference
func RepoRefByType(refType RepoRefType, ignoreNotExistErr ...bool) func(*Context) context.CancelFunc {
return func(ctx *Context) (cancel context.CancelFunc) {
// Empty repository does not have reference information.
if ctx.Repo.Repository.IsEmpty {
return
}
var (
refName string
err error
)
if ctx.Repo.GitRepo == nil {
repoPath := models.RepoPath(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
ctx.Repo.GitRepo, err = git.OpenRepository(repoPath)
if err != nil {
ctx.ServerError("RepoRef Invalid repo "+repoPath, err)
return
}
// We opened it, we should close it
cancel = func() {
// If it's been set to nil then assume someone else has closed it.
if ctx.Repo.GitRepo != nil {
ctx.Repo.GitRepo.Close()
}
}
}
// Get default branch.
if len(ctx.Params("*")) == 0 {
refName = ctx.Repo.Repository.DefaultBranch
ctx.Repo.BranchName = refName
if !ctx.Repo.GitRepo.IsBranchExist(refName) {
brs, _, err := ctx.Repo.GitRepo.GetBranches(0, 0)
if err != nil {
ctx.ServerError("GetBranches", err)
return
} else if len(brs) == 0 {
err = fmt.Errorf("No branches in non-empty repository %s",
ctx.Repo.GitRepo.Path)
ctx.ServerError("GetBranches", err)
return
}
refName = brs[0]
}
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName)
if err != nil {
ctx.ServerError("GetBranchCommit", err)
return
}
ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
ctx.Repo.IsViewBranch = true
} else {
refName = getRefName(ctx, refType)
ctx.Repo.BranchName = refName
isRenamedBranch, has := ctx.Data["IsRenamedBranch"].(bool)
if isRenamedBranch && has {
renamedBranchName := ctx.Data["RenamedBranchName"].(string)
ctx.Flash.Info(ctx.Tr("repo.branch.renamed", refName, renamedBranchName))
link := setting.AppSubURL + strings.Replace(ctx.Req.URL.EscapedPath(), util.PathEscapeSegments(refName), util.PathEscapeSegments(renamedBranchName), 1)
ctx.Redirect(link)
return
}
if refType.RefTypeIncludesBranches() && ctx.Repo.GitRepo.IsBranchExist(refName) {
ctx.Repo.IsViewBranch = true
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName)
if err != nil {
ctx.ServerError("GetBranchCommit", err)
return
}
ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
} else if refType.RefTypeIncludesTags() && ctx.Repo.GitRepo.IsTagExist(refName) {
ctx.Repo.IsViewTag = true
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetTagCommit(refName)
if err != nil {
ctx.ServerError("GetTagCommit", err)
return
}
ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
} else if len(refName) >= 7 && len(refName) <= 40 {
ctx.Repo.IsViewCommit = true
ctx.Repo.CommitID = refName
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetCommit(refName)
if err != nil {
ctx.NotFound("GetCommit", err)
return
}
// If short commit ID add canonical link header
if len(refName) < 40 {
ctx.Header().Set("Link", fmt.Sprintf("<%s>; rel=\"canonical\"",
util.URLJoin(setting.AppURL, strings.Replace(ctx.Req.URL.RequestURI(), util.PathEscapeSegments(refName), url.PathEscape(ctx.Repo.Commit.ID.String()), 1))))
}
} else {
if len(ignoreNotExistErr) > 0 && ignoreNotExistErr[0] {
return
}
ctx.NotFound("RepoRef invalid repo", fmt.Errorf("branch or tag not exist: %s", refName))
return
}
if refType == RepoRefLegacy {
// redirect from old URL scheme to new URL scheme
prefix := strings.TrimPrefix(setting.AppSubURL+strings.TrimSuffix(ctx.Req.URL.Path, ctx.Params("*")), ctx.Repo.RepoLink)
ctx.Redirect(path.Join(
ctx.Repo.RepoLink,
util.PathEscapeSegments(prefix),
ctx.Repo.BranchNameSubURL(),
util.PathEscapeSegments(ctx.Repo.TreePath)))
return
}
}
ctx.Data["BranchName"] = ctx.Repo.BranchName
ctx.Data["BranchNameSubURL"] = ctx.Repo.BranchNameSubURL()
ctx.Data["CommitID"] = ctx.Repo.CommitID
ctx.Data["TreePath"] = ctx.Repo.TreePath
ctx.Data["IsViewBranch"] = ctx.Repo.IsViewBranch
ctx.Data["IsViewTag"] = ctx.Repo.IsViewTag
ctx.Data["IsViewCommit"] = ctx.Repo.IsViewCommit
ctx.Data["CanCreateBranch"] = ctx.Repo.CanCreateBranch()
ctx.Repo.CommitsCount, err = ctx.Repo.GetCommitsCount()
if err != nil {
ctx.ServerError("GetCommitsCount", err)
return
}
ctx.Data["CommitsCount"] = ctx.Repo.CommitsCount
return
}
}
// GitHookService checks if repository Git hooks service has been enabled.
func GitHookService() func(ctx *Context) {
return func(ctx *Context) {
if !ctx.User.CanEditGitHook() {
ctx.NotFound("GitHookService", nil)
return
}
}
}
// UnitTypes returns a middleware to set unit types to context variables.
func UnitTypes() func(ctx *Context) {
return func(ctx *Context) {
ctx.Data["UnitTypeCode"] = unit_model.TypeCode
ctx.Data["UnitTypeIssues"] = unit_model.TypeIssues
ctx.Data["UnitTypePullRequests"] = unit_model.TypePullRequests
ctx.Data["UnitTypeReleases"] = unit_model.TypeReleases
ctx.Data["UnitTypeWiki"] = unit_model.TypeWiki
ctx.Data["UnitTypeExternalWiki"] = unit_model.TypeExternalWiki
ctx.Data["UnitTypeExternalTracker"] = unit_model.TypeExternalTracker
ctx.Data["UnitTypeProjects"] = unit_model.TypeProjects
}
}
// IssueTemplatesFromDefaultBranch checks for issue templates in the repo's default branch
func (ctx *Context) IssueTemplatesFromDefaultBranch() []api.IssueTemplate {
var issueTemplates []api.IssueTemplate
if ctx.Repo.Commit == nil {
var err error
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(ctx.Repo.Repository.DefaultBranch)
if err != nil {
return issueTemplates
}
}
for _, dirName := range IssueTemplateDirCandidates {
tree, err := ctx.Repo.Commit.SubTree(dirName)
if err != nil {
continue
}
entries, err := tree.ListEntries()
if err != nil {
return issueTemplates
}
for _, entry := range entries {
if strings.HasSuffix(entry.Name(), ".md") {
if entry.Blob().Size() >= setting.UI.MaxDisplayFileSize {
log.Debug("Issue template is too large: %s", entry.Name())
continue
}
r, err := entry.Blob().DataAsync()
if err != nil {
log.Debug("DataAsync: %v", err)
continue
}
closed := false
defer func() {
if !closed {
_ = r.Close()
}
}()
data, err := io.ReadAll(r)
if err != nil {
log.Debug("ReadAll: %v", err)
continue
}
_ = r.Close()
var it api.IssueTemplate
content, err := markdown.ExtractMetadata(string(data), &it)
if err != nil {
log.Debug("ExtractMetadata: %v", err)
continue
}
it.Content = content
it.FileName = entry.Name()
if it.Valid() {
issueTemplates = append(issueTemplates, it)
}
}
}
if len(issueTemplates) > 0 {
return issueTemplates
}
}
return issueTemplates
}