forgejo/modules/context/repo.go
2017-05-19 08:59:26 +08:00

556 lines
16 KiB
Go

// Copyright 2014 The Gogs 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 (
"fmt"
"io/ioutil"
"path"
"strings"
"code.gitea.io/git"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/setting"
"github.com/Unknwon/com"
editorconfig "gopkg.in/editorconfig/editorconfig-core-go.v1"
macaron "gopkg.in/macaron.v1"
)
// PullRequest contains informations to make a pull request
type PullRequest struct {
BaseRepo *models.Repository
Allowed bool
SameRepo bool
HeadInfo string // [<user>:]<branch>
}
// Repository contains information to operate a repository
type Repository struct {
AccessMode models.AccessMode
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
}
// IsOwner returns true if current user is the owner of repository.
func (r *Repository) IsOwner() bool {
return r.AccessMode >= models.AccessModeOwner
}
// IsAdmin returns true if current user has admin or higher access of repository.
func (r *Repository) IsAdmin() bool {
return r.AccessMode >= models.AccessModeAdmin
}
// IsWriter returns true if current user has write or higher access of repository.
func (r *Repository) IsWriter() bool {
return r.AccessMode >= models.AccessModeWrite
}
// HasAccess returns true if the current user has at least read access for this repository
func (r *Repository) HasAccess() bool {
return r.AccessMode >= models.AccessModeRead
}
// CanEnableEditor returns true if repository is editable and user has proper access level.
func (r *Repository) CanEnableEditor() bool {
return r.Repository.CanEnableEditor() && r.IsViewBranch && r.IsWriter()
}
// CanCommitToBranch returns true if repository is editable and user has proper access level
// and branch is not protected
func (r *Repository) CanCommitToBranch() (bool, error) {
protectedBranch, err := r.Repository.IsProtectedBranch(r.BranchName)
if err != nil {
return false, err
}
return r.CanEnableEditor() && !protectedBranch, nil
}
// GetEditorconfig returns the .editorconfig definition if found in the
// HEAD of the default repo branch.
func (r *Repository) GetEditorconfig() (*editorconfig.Editorconfig, error) {
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
}
reader, err := treeEntry.Blob().Data()
if err != nil {
return nil, err
}
data, err := ioutil.ReadAll(reader)
if err != nil {
return nil, err
}
return editorconfig.ParseBytes(data)
}
// 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.Handle(500, "GetBaseRepo", err)
return
} else if err = repo.BaseRepo.GetOwner(); err != nil {
ctx.Handle(500, "BaseRepo.GetOwner", err)
return
}
}
// composeGoGetImport returns go-get-import meta content.
func composeGoGetImport(owner, repo string) string {
return path.Join(setting.Domain, setting.AppSubURL, owner, 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) {
ctx.PlainText(200, []byte(com.Expand(`<meta name="go-import" content="{GoGetImport} git {CloneLink}">`,
map[string]string{
"GoGetImport": composeGoGetImport(ctx.Params(":username"), strings.TrimSuffix(ctx.Params(":reponame"), ".git")),
"CloneLink": models.ComposeHTTPSCloneURL(ctx.Params(":username"), ctx.Params(":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.Handle(500, "GetRepositoryByID", err)
return
}
redirectPath := strings.Replace(
ctx.Req.URL.Path,
fmt.Sprintf("%s/%s", ownerName, previousRepoName),
fmt.Sprintf("%s/%s", ownerName, repo.Name),
1,
)
ctx.Redirect(redirectPath)
}
// RepoAssignment returns a macaron to handle repository assignment
func RepoAssignment() macaron.Handler {
return func(ctx *Context) {
var (
owner *models.User
err error
)
userName := ctx.Params(":username")
repoName := ctx.Params(":reponame")
// 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.Query("go-get") == "1" {
earlyResponseForGoGetMeta(ctx)
return
}
ctx.Handle(404, "GetUserByName", err)
} else {
ctx.Handle(500, "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.Query("go-get") == "1" {
earlyResponseForGoGetMeta(ctx)
return
}
ctx.Handle(404, "GetRepositoryByName", err)
} else {
ctx.Handle(500, "LookupRepoRedirect", err)
}
} else {
ctx.Handle(500, "GetRepositoryByName", err)
}
return
}
repo.Owner = owner
// Admin has super access.
if ctx.IsSigned && ctx.User.IsAdmin {
ctx.Repo.AccessMode = models.AccessModeOwner
} else {
var userID int64
if ctx.User != nil {
userID = ctx.User.ID
}
mode, err := models.AccessLevel(userID, repo)
if err != nil {
ctx.Handle(500, "AccessLevel", err)
return
}
ctx.Repo.AccessMode = mode
}
// Check access.
if ctx.Repo.AccessMode == models.AccessModeNone {
if ctx.Query("go-get") == "1" {
earlyResponseForGoGetMeta(ctx)
return
}
ctx.Handle(404, "no access right", err)
return
}
ctx.Data["HasAccess"] = true
if repo.IsMirror {
ctx.Repo.Mirror, err = models.GetMirrorByRepoID(repo.ID)
if err != nil {
ctx.Handle(500, "GetMirror", err)
return
}
ctx.Data["MirrorEnablePrune"] = ctx.Repo.Mirror.EnablePrune
ctx.Data["MirrorInterval"] = ctx.Repo.Mirror.Interval
ctx.Data["Mirror"] = ctx.Repo.Mirror
}
ctx.Repo.Repository = repo
ctx.Data["RepoName"] = ctx.Repo.Repository.Name
ctx.Data["IsBareRepo"] = ctx.Repo.Repository.IsBare
gitRepo, err := git.OpenRepository(models.RepoPath(userName, repoName))
if err != nil {
ctx.Handle(500, "RepoAssignment Invalid repo "+models.RepoPath(userName, repoName), err)
return
}
ctx.Repo.GitRepo = gitRepo
ctx.Repo.RepoLink = repo.Link()
ctx.Data["RepoLink"] = ctx.Repo.RepoLink
ctx.Data["RepoRelPath"] = ctx.Repo.Owner.Name + "/" + ctx.Repo.Repository.Name
tags, err := ctx.Repo.GitRepo.GetTags()
if err != nil {
ctx.Handle(500, "GetTags", err)
return
}
ctx.Data["Tags"] = tags
ctx.Repo.Repository.NumTags = len(tags)
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["IsRepositoryWriter"] = ctx.Repo.IsWriter()
ctx.Data["DisableSSH"] = setting.SSH.Disabled
ctx.Data["DisableHTTP"] = setting.Repository.DisableHTTPGit
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)
}
// repo is bare and display enable
if ctx.Repo.Repository.IsBare {
ctx.Data["BranchName"] = ctx.Repo.Repository.DefaultBranch
return
}
ctx.Data["TagName"] = ctx.Repo.TagName
brs, err := ctx.Repo.GitRepo.GetBranches()
if err != nil {
ctx.Handle(500, "GetBranches", err)
return
}
ctx.Data["Branches"] = brs
ctx.Data["BrancheCount"] = len(brs)
// 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
if repo.IsFork {
RetrieveBaseRepo(ctx, repo)
if ctx.Written() {
return
}
}
// People who have push access or have forked repository can propose a new pull request.
if ctx.Repo.IsWriter() || (ctx.IsSigned && ctx.User.HasForkedRepo(ctx.Repo.Repository.ID)) {
// Pull request is allowed if this is a fork repository
// and base repository accepts pull requests.
if repo.BaseRepo != nil {
if repo.BaseRepo.AllowsPulls() {
ctx.Data["BaseRepo"] = repo.BaseRepo
ctx.Repo.PullRequest.BaseRepo = repo.BaseRepo
ctx.Repo.PullRequest.Allowed = true
ctx.Repo.PullRequest.HeadInfo = ctx.Repo.Owner.Name + ":" + ctx.Repo.BranchName
}
} else {
// Or, this is repository accepts pull requests between branches.
if repo.AllowsPulls() {
ctx.Data["BaseRepo"] = repo
ctx.Repo.PullRequest.BaseRepo = repo
ctx.Repo.PullRequest.Allowed = true
ctx.Repo.PullRequest.SameRepo = true
ctx.Repo.PullRequest.HeadInfo = ctx.Repo.BranchName
}
}
}
ctx.Data["PullRequestCtx"] = ctx.Repo.PullRequest
if ctx.Query("go-get") == "1" {
ctx.Data["GoGetImport"] = composeGoGetImport(owner.Name, repo.Name)
prefix := setting.AppURL + path.Join(owner.Name, repo.Name, "src", ctx.Repo.BranchName)
ctx.Data["GoDocDirectory"] = prefix + "{/dir}"
ctx.Data["GoDocFile"] = prefix + "{/dir}/{file}#L{line}"
}
}
}
// RepoRef handles repository reference name including those contain `/`.
func RepoRef() macaron.Handler {
return func(ctx *Context) {
// Empty repository does not have reference information.
if ctx.Repo.Repository.IsBare {
return
}
var (
refName string
err error
)
// For API calls.
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.Handle(500, "RepoRef Invalid repo "+repoPath, err)
return
}
}
// Get default branch.
if len(ctx.Params("*")) == 0 {
refName = ctx.Repo.Repository.DefaultBranch
if !ctx.Repo.GitRepo.IsBranchExist(refName) {
brs, err := ctx.Repo.GitRepo.GetBranches()
if err != nil {
ctx.Handle(500, "GetBranches", err)
return
}
refName = brs[0]
}
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName)
if err != nil {
ctx.Handle(500, "GetBranchCommit", err)
return
}
ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
ctx.Repo.IsViewBranch = true
} else {
hasMatched := false
parts := strings.Split(ctx.Params("*"), "/")
for i, part := range parts {
refName = strings.TrimPrefix(refName+"/"+part, "/")
if ctx.Repo.GitRepo.IsBranchExist(refName) ||
ctx.Repo.GitRepo.IsTagExist(refName) {
if i < len(parts)-1 {
ctx.Repo.TreePath = strings.Join(parts[i+1:], "/")
}
hasMatched = true
break
}
}
if !hasMatched && len(parts[0]) == 40 {
refName = parts[0]
ctx.Repo.TreePath = strings.Join(parts[1:], "/")
}
if ctx.Repo.GitRepo.IsBranchExist(refName) {
ctx.Repo.IsViewBranch = true
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName)
if err != nil {
ctx.Handle(500, "GetBranchCommit", err)
return
}
ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
} else if ctx.Repo.GitRepo.IsTagExist(refName) {
ctx.Repo.IsViewTag = true
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetTagCommit(refName)
if err != nil {
ctx.Handle(500, "GetTagCommit", err)
return
}
ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
} else if len(refName) == 40 {
ctx.Repo.IsViewCommit = true
ctx.Repo.CommitID = refName
ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetCommit(refName)
if err != nil {
ctx.Handle(404, "GetCommit", nil)
return
}
} else {
ctx.Handle(404, "RepoRef invalid repo", fmt.Errorf("branch or tag not exist: %s", refName))
return
}
}
ctx.Repo.BranchName = refName
ctx.Data["BranchName"] = ctx.Repo.BranchName
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.Repo.CommitsCount, err = ctx.Repo.Commit.CommitsCount()
if err != nil {
ctx.Handle(500, "CommitsCount", err)
return
}
ctx.Data["CommitsCount"] = ctx.Repo.CommitsCount
}
}
// RequireRepoAdmin returns a macaron middleware for requiring repository admin permission
func RequireRepoAdmin() macaron.Handler {
return func(ctx *Context) {
if !ctx.IsSigned || (!ctx.Repo.IsAdmin() && !ctx.User.IsAdmin) {
ctx.Handle(404, ctx.Req.RequestURI, nil)
return
}
}
}
// RequireRepoWriter returns a macaron middleware for requiring repository write permission
func RequireRepoWriter() macaron.Handler {
return func(ctx *Context) {
if !ctx.IsSigned || (!ctx.Repo.IsWriter() && !ctx.User.IsAdmin) {
ctx.Handle(404, ctx.Req.RequestURI, nil)
return
}
}
}
// LoadRepoUnits loads repsitory's units, it should be called after repository and user loaded
func LoadRepoUnits() macaron.Handler {
return func(ctx *Context) {
var isAdmin bool
if ctx.User != nil && ctx.User.IsAdmin {
isAdmin = true
}
var userID int64
if ctx.User != nil {
userID = ctx.User.ID
}
err := ctx.Repo.Repository.LoadUnitsByUserID(userID, isAdmin)
if err != nil {
ctx.Handle(500, "LoadUnitsByUserID", err)
return
}
}
}
// CheckUnit will check whether
func CheckUnit(unitType models.UnitType) macaron.Handler {
return func(ctx *Context) {
var find bool
for _, unit := range ctx.Repo.Repository.Units {
if unit.Type == unitType {
find = true
break
}
}
if !find {
ctx.Handle(404, "CheckUnit", fmt.Errorf("%s: %v", ctx.Tr("units.error.unit_not_allowed"), unitType))
}
}
}
// GitHookService checks if repository Git hooks service has been enabled.
func GitHookService() macaron.Handler {
return func(ctx *Context) {
if !ctx.User.CanEditGitHook() {
ctx.Handle(404, "GitHookService", nil)
return
}
}
}
// UnitTypes returns a macaron middleware to set unit types to context variables.
func UnitTypes() macaron.Handler {
return func(ctx *Context) {
ctx.Data["UnitTypeCode"] = models.UnitTypeCode
ctx.Data["UnitTypeIssues"] = models.UnitTypeIssues
ctx.Data["UnitTypePullRequests"] = models.UnitTypePullRequests
ctx.Data["UnitTypeCommits"] = models.UnitTypeCommits
ctx.Data["UnitTypeReleases"] = models.UnitTypeReleases
ctx.Data["UnitTypeWiki"] = models.UnitTypeWiki
ctx.Data["UnitTypeSettings"] = models.UnitTypeSettings
ctx.Data["UnitTypeExternalWiki"] = models.UnitTypeExternalWiki
ctx.Data["UnitTypeExternalTracker"] = models.UnitTypeExternalTracker
}
}