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// 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 (
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"fmt"
"io/ioutil"
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"strings"
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"gopkg.in/editorconfig/editorconfig-core-go.v1"
"gopkg.in/macaron.v1"
"github.com/gogs/git-module"
"github.com/gogs/gogs/models"
"github.com/gogs/gogs/models/errors"
"github.com/gogs/gogs/pkg/setting"
)
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type PullRequest struct {
BaseRepo *models.Repository
Allowed bool
SameRepo bool
HeadInfo string // [<user>:]<branch>
}
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
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CommitID string
RepoLink string
CloneLink models.CloneLink
CommitsCount int64
Mirror *models.Mirror
PullRequest *PullRequest
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}
// IsOwner returns true if current user is the owner of repository.
func (r *Repository) IsOwner() bool {
return r.AccessMode >= models.ACCESS_MODE_OWNER
}
// IsAdmin returns true if current user has admin or higher access of repository.
func (r *Repository) IsAdmin() bool {
return r.AccessMode >= models.ACCESS_MODE_ADMIN
}
// IsWriter returns true if current user has write or higher access of repository.
func (r *Repository) IsWriter() bool {
return r.AccessMode >= models.ACCESS_MODE_WRITE
}
// HasAccess returns true if the current user has at least read access for this repository
func (r *Repository) HasAccess() bool {
return r.AccessMode >= models.ACCESS_MODE_READ
}
// 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() && !r.Repository.IsBranchRequirePullRequest(r.BranchName)
}
// 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)
}
// PullRequestURL returns URL for composing a pull request.
// This function does not check if the repository can actually compose a pull request.
func (r *Repository) PullRequestURL(baseBranch, headBranch string) string {
repoLink := r.RepoLink
if r.PullRequest.BaseRepo != nil {
repoLink = r.PullRequest.BaseRepo.Link()
}
return fmt.Sprintf("%s/compare/%s...%s:%s", repoLink, baseBranch, r.Owner.Name, headBranch)
}
// [0]: issues, [1]: wiki
func RepoAssignment(pages ...bool) macaron.Handler {
return func(c *Context) {
var (
owner *models.User
err error
isIssuesPage bool
isWikiPage bool
)
if len(pages) > 0 {
isIssuesPage = pages[0]
}
if len(pages) > 1 {
isWikiPage = pages[1]
}
ownerName := c.Params(":username")
repoName := strings.TrimSuffix(c.Params(":reponame"), ".git")
refName := c.Params(":branchname")
if len(refName) == 0 {
refName = c.Params(":path")
}
// Check if the user is the same as the repository owner
if c.IsLogged && c.User.LowerName == strings.ToLower(ownerName) {
owner = c.User
} else {
owner, err = models.GetUserByName(ownerName)
if err != nil {
c.NotFoundOrServerError("GetUserByName", errors.IsUserNotExist, err)
return
}
}
c.Repo.Owner = owner
c.Data["Username"] = c.Repo.Owner.Name
repo, err := models.GetRepositoryByName(owner.ID, repoName)
if err != nil {
c.NotFoundOrServerError("GetRepositoryByName", errors.IsRepoNotExist, err)
return
}
c.Repo.Repository = repo
c.Data["RepoName"] = c.Repo.Repository.Name
c.Data["IsBareRepo"] = c.Repo.Repository.IsBare
c.Repo.RepoLink = repo.Link()
c.Data["RepoLink"] = c.Repo.RepoLink
c.Data["RepoRelPath"] = c.Repo.Owner.Name + "/" + c.Repo.Repository.Name
// Admin has super access.
if c.IsLogged && c.User.IsAdmin {
c.Repo.AccessMode = models.ACCESS_MODE_OWNER
} else {
mode, err := models.AccessLevel(c.UserID(), repo)
if err != nil {
c.ServerError("AccessLevel", err)
return
}
c.Repo.AccessMode = mode
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}
// Check access
if c.Repo.AccessMode == models.ACCESS_MODE_NONE {
// Redirect to any accessible page if not yet on it
if repo.IsPartialPublic() &&
(!(isIssuesPage || isWikiPage) ||
(isIssuesPage && !repo.CanGuestViewIssues()) ||
(isWikiPage && !repo.CanGuestViewWiki())) {
switch {
case repo.CanGuestViewIssues():
c.Redirect(repo.Link() + "/issues")
case repo.CanGuestViewWiki():
c.Redirect(repo.Link() + "/wiki")
default:
c.NotFound()
}
return
}
// Response 404 if user is on completely private repository or possible accessible page but owner doesn't enabled
if !repo.IsPartialPublic() ||
(isIssuesPage && !repo.CanGuestViewIssues()) ||
(isWikiPage && !repo.CanGuestViewWiki()) {
c.NotFound()
return
}
c.Repo.Repository.EnableIssues = repo.CanGuestViewIssues()
c.Repo.Repository.EnableWiki = repo.CanGuestViewWiki()
}
if repo.IsMirror {
c.Repo.Mirror, err = models.GetMirrorByRepoID(repo.ID)
if err != nil {
c.ServerError("GetMirror", err)
return
}
c.Data["MirrorEnablePrune"] = c.Repo.Mirror.EnablePrune
c.Data["MirrorInterval"] = c.Repo.Mirror.Interval
c.Data["Mirror"] = c.Repo.Mirror
}
gitRepo, err := git.OpenRepository(models.RepoPath(ownerName, repoName))
if err != nil {
c.ServerError(fmt.Sprintf("RepoAssignment Invalid repo '%s'", c.Repo.Repository.RepoPath()), err)
return
}
c.Repo.GitRepo = gitRepo
tags, err := c.Repo.GitRepo.GetTags()
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if err != nil {
c.ServerError(fmt.Sprintf("GetTags '%s'", c.Repo.Repository.RepoPath()), err)
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return
}
c.Data["Tags"] = tags
c.Repo.Repository.NumTags = len(tags)
c.Data["Title"] = owner.Name + "/" + repo.Name
c.Data["Repository"] = repo
c.Data["Owner"] = c.Repo.Repository.Owner
c.Data["IsRepositoryOwner"] = c.Repo.IsOwner()
c.Data["IsRepositoryAdmin"] = c.Repo.IsAdmin()
c.Data["IsRepositoryWriter"] = c.Repo.IsWriter()
c.Data["DisableSSH"] = setting.SSH.Disabled
c.Data["DisableHTTP"] = setting.Repository.DisableHTTPGit
c.Data["CloneLink"] = repo.CloneLink()
c.Data["WikiCloneLink"] = repo.WikiCloneLink()
if c.IsLogged {
c.Data["IsWatchingRepo"] = models.IsWatching(c.User.ID, repo.ID)
c.Data["IsStaringRepo"] = models.IsStaring(c.User.ID, repo.ID)
}
// repo is bare and display enable
if c.Repo.Repository.IsBare {
return
}
c.Data["TagName"] = c.Repo.TagName
brs, err := c.Repo.GitRepo.GetBranches()
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if err != nil {
c.ServerError("GetBranches", err)
return
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}
c.Data["Branches"] = brs
c.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(c.Repo.BranchName) == 0 {
if len(c.Repo.Repository.DefaultBranch) > 0 && gitRepo.IsBranchExist(c.Repo.Repository.DefaultBranch) {
c.Repo.BranchName = c.Repo.Repository.DefaultBranch
} else if len(brs) > 0 {
c.Repo.BranchName = brs[0]
}
}
c.Data["BranchName"] = c.Repo.BranchName
c.Data["CommitID"] = c.Repo.CommitID
c.Data["IsGuest"] = !c.Repo.HasAccess()
}
}
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// RepoRef handles repository reference name including those contain `/`.
func RepoRef() macaron.Handler {
return func(c *Context) {
// Empty repository does not have reference information.
if c.Repo.Repository.IsBare {
return
}
var (
refName string
err error
)
// For API calls.
if c.Repo.GitRepo == nil {
repoPath := models.RepoPath(c.Repo.Owner.Name, c.Repo.Repository.Name)
c.Repo.GitRepo, err = git.OpenRepository(repoPath)
if err != nil {
c.Handle(500, "RepoRef Invalid repo "+repoPath, err)
return
}
}
// Get default branch.
if len(c.Params("*")) == 0 {
refName = c.Repo.Repository.DefaultBranch
if !c.Repo.GitRepo.IsBranchExist(refName) {
brs, err := c.Repo.GitRepo.GetBranches()
if err != nil {
c.Handle(500, "GetBranches", err)
return
}
refName = brs[0]
}
c.Repo.Commit, err = c.Repo.GitRepo.GetBranchCommit(refName)
if err != nil {
c.Handle(500, "GetBranchCommit", err)
return
}
c.Repo.CommitID = c.Repo.Commit.ID.String()
c.Repo.IsViewBranch = true
} else {
hasMatched := false
parts := strings.Split(c.Params("*"), "/")
for i, part := range parts {
refName = strings.TrimPrefix(refName+"/"+part, "/")
if c.Repo.GitRepo.IsBranchExist(refName) ||
c.Repo.GitRepo.IsTagExist(refName) {
if i < len(parts)-1 {
c.Repo.TreePath = strings.Join(parts[i+1:], "/")
}
hasMatched = true
break
}
}
if !hasMatched && len(parts[0]) == 40 {
refName = parts[0]
c.Repo.TreePath = strings.Join(parts[1:], "/")
}
if c.Repo.GitRepo.IsBranchExist(refName) {
c.Repo.IsViewBranch = true
c.Repo.Commit, err = c.Repo.GitRepo.GetBranchCommit(refName)
if err != nil {
c.Handle(500, "GetBranchCommit", err)
return
}
c.Repo.CommitID = c.Repo.Commit.ID.String()
} else if c.Repo.GitRepo.IsTagExist(refName) {
c.Repo.IsViewTag = true
c.Repo.Commit, err = c.Repo.GitRepo.GetTagCommit(refName)
if err != nil {
c.Handle(500, "GetTagCommit", err)
return
}
c.Repo.CommitID = c.Repo.Commit.ID.String()
} else if len(refName) == 40 {
c.Repo.IsViewCommit = true
c.Repo.CommitID = refName
c.Repo.Commit, err = c.Repo.GitRepo.GetCommit(refName)
if err != nil {
c.NotFound()
return
}
} else {
c.Handle(404, "RepoRef invalid repo", fmt.Errorf("branch or tag not exist: %s", refName))
return
}
}
c.Repo.BranchName = refName
c.Data["BranchName"] = c.Repo.BranchName
c.Data["CommitID"] = c.Repo.CommitID
c.Data["TreePath"] = c.Repo.TreePath
c.Data["IsViewBranch"] = c.Repo.IsViewBranch
c.Data["IsViewTag"] = c.Repo.IsViewTag
c.Data["IsViewCommit"] = c.Repo.IsViewCommit
// People who have push access or have fored repository can propose a new pull request.
if c.Repo.IsWriter() || (c.IsLogged && c.User.HasForkedRepo(c.Repo.Repository.ID)) {
// Pull request is allowed if this is a fork repository
// and base repository accepts pull requests.
if c.Repo.Repository.BaseRepo != nil {
if c.Repo.Repository.BaseRepo.AllowsPulls() {
c.Repo.PullRequest.Allowed = true
// In-repository pull requests has higher priority than cross-repository if user is viewing
// base repository and 1) has write access to it 2) has forked it.
if c.Repo.IsWriter() {
c.Data["BaseRepo"] = c.Repo.Repository.BaseRepo
c.Repo.PullRequest.BaseRepo = c.Repo.Repository.BaseRepo
c.Repo.PullRequest.HeadInfo = c.Repo.Owner.Name + ":" + c.Repo.BranchName
} else {
c.Data["BaseRepo"] = c.Repo.Repository
c.Repo.PullRequest.BaseRepo = c.Repo.Repository
c.Repo.PullRequest.HeadInfo = c.User.Name + ":" + c.Repo.BranchName
}
}
} else {
// Or, this is repository accepts pull requests between branches.
if c.Repo.Repository.AllowsPulls() {
c.Data["BaseRepo"] = c.Repo.Repository
c.Repo.PullRequest.BaseRepo = c.Repo.Repository
c.Repo.PullRequest.Allowed = true
c.Repo.PullRequest.SameRepo = true
c.Repo.PullRequest.HeadInfo = c.Repo.BranchName
}
}
}
c.Data["PullRequestCtx"] = c.Repo.PullRequest
}
}
func RequireRepoAdmin() macaron.Handler {
return func(c *Context) {
if !c.IsLogged || (!c.Repo.IsAdmin() && !c.User.IsAdmin) {
c.NotFound()
return
}
}
}
func RequireRepoWriter() macaron.Handler {
return func(c *Context) {
if !c.IsLogged || (!c.Repo.IsWriter() && !c.User.IsAdmin) {
c.NotFound()
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return
}
}
}
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// GitHookService checks if repository Git hooks service has been enabled.
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func GitHookService() macaron.Handler {
return func(c *Context) {
if !c.User.CanEditGitHook() {
c.NotFound()
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return
}
}
}