// Copyright 2014 The Gogs Authors. All rights reserved. // Copyright 2017 The Gitea Authors. All rights reserved. // SPDX-License-Identifier: MIT package context import ( "context" "errors" "fmt" "html" "net/http" "net/url" "path" "strings" "code.gitea.io/gitea/models" "code.gitea.io/gitea/models/db" git_model "code.gitea.io/gitea/models/git" issues_model "code.gitea.io/gitea/models/issues" access_model "code.gitea.io/gitea/models/perm/access" repo_model "code.gitea.io/gitea/models/repo" unit_model "code.gitea.io/gitea/models/unit" user_model "code.gitea.io/gitea/models/user" "code.gitea.io/gitea/modules/cache" "code.gitea.io/gitea/modules/git" "code.gitea.io/gitea/modules/gitrepo" code_indexer "code.gitea.io/gitea/modules/indexer/code" "code.gitea.io/gitea/modules/log" "code.gitea.io/gitea/modules/optional" repo_module "code.gitea.io/gitea/modules/repository" "code.gitea.io/gitea/modules/setting" "code.gitea.io/gitea/modules/util" asymkey_service "code.gitea.io/gitea/services/asymkey" "github.com/editorconfig/editorconfig-core-go/v2" ) // PullRequest contains information to make a pull request type PullRequest struct { BaseRepo *repo_model.Repository Allowed bool SameRepo bool HeadInfoSubURL string // [<user>:]<branch> url segment } // Repository contains information to operate a repository type Repository struct { access_model.Permission IsWatching bool IsViewBranch bool IsViewTag bool IsViewCommit bool Repository *repo_model.Repository Owner *user_model.User Commit *git.Commit Tag *git.Tag GitRepo *git.Repository RefName string BranchName string TagName string TreePath string CommitID string RepoLink string CloneLink repo_model.CloneLink CommitsCount int64 PullRequest *PullRequest } // CanWriteToBranch checks if the branch is writable by the user func (r *Repository) CanWriteToBranch(ctx context.Context, user *user_model.User, branch string) bool { return issues_model.CanMaintainerWriteToBranch(ctx, r.Permission, branch, user) } // CanEnableEditor returns true if repository is editable and user has proper access level. func (r *Repository) CanEnableEditor(ctx context.Context, user *user_model.User) bool { return r.IsViewBranch && r.CanWriteToBranch(ctx, user, r.BranchName) && r.Repository.CanEnableEditor() && !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() } func (r *Repository) GetObjectFormat() git.ObjectFormat { return git.ObjectFormatFromName(r.Repository.ObjectFormatName) } // RepoMustNotBeArchived checks if a repo is archived func RepoMustNotBeArchived() func(ctx *Context) { return func(ctx *Context) { if ctx.Repo.Repository.IsArchived { ctx.NotFound("IsArchived", errors.New(ctx.Locale.TrString("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(ctx context.Context, doer *user_model.User) (CanCommitToBranchResults, error) { protectedBranch, err := git_model.GetFirstMatchProtectedBranchRule(ctx, r.Repository.ID, r.BranchName) if err != nil { return CanCommitToBranchResults{}, err } userCanPush := true requireSigned := false if protectedBranch != nil { protectedBranch.Repo = r.Repository userCanPush = protectedBranch.CanUserPush(ctx, doer) requireSigned = protectedBranch.RequireSignedCommits } sign, keyID, _, err := asymkey_service.SignCRUDAction(ctx, r.Repository.RepoPath(), doer, r.Repository.RepoPath(), git.BranchPrefix+r.BranchName) canCommit := r.CanEnableEditor(ctx, doer) && userCanPush if requireSigned { canCommit = canCommit && sign } wontSignReason := "" if err != nil { if asymkey_service.IsErrWontSign(err) { wontSignReason = string(err.(*asymkey_service.ErrWontSign).Reason) err = nil } else { wontSignReason = "error" } } return CanCommitToBranchResults{ CanCommitToBranch: canCommit, EditorEnabled: r.CanEnableEditor(ctx, doer), 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(ctx context.Context, issue *issues_model.Issue, user *user_model.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, _ := issues_model.IsUserAssignedToIssue(ctx, issue, user) return r.Repository.IsTimetrackerEnabled(ctx) && (!r.Repository.AllowOnlyContributorsToTrackTime(ctx) || r.Permission.CanWriteIssuesOrPulls(issue.IsPull) || issue.IsPoster(user.ID) || isAssigned) } // CanCreateIssueDependencies returns whether or not a user can create dependencies. func (r *Repository) CanCreateIssueDependencies(ctx context.Context, user *user_model.User, isPull bool) bool { return r.Repository.IsDependenciesEnabled(ctx) && r.Permission.CanWriteIssuesOrPulls(isPull) } // GetCommitsCount returns cached commit count for current view func (r *Repository) GetCommitsCount() (int64, error) { if r.Commit == nil { return 0, nil } 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(ctx context.Context, hidePRRefs bool, branches, 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(ctx, r.Repository.RepoPath(), hidePRRefs, files...) } return git.CommitsCount(ctx, git.CommitsCountOptions{ RepoPath: r.Repository.RepoPath(), Revision: branches, RelPath: 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.TagName) case r.IsViewCommit: return "commit/" + util.PathEscapeSegments(r.CommitID) } 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, 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(optCommit ...*git.Commit) (cfg *editorconfig.Editorconfig, warning, err error) { if r.GitRepo == nil { return nil, nil, nil } var commit *git.Commit if len(optCommit) != 0 { commit = optCommit[0] } else { commit, err = r.GitRepo.GetBranchCommit(r.Repository.DefaultBranch) if err != nil { return nil, nil, err } } treeEntry, err := commit.GetTreeEntryByPath(".editorconfig") if err != nil { return nil, nil, err } if treeEntry.Blob().Size() >= setting.UI.MaxDisplayFileSize { return nil, nil, git.ErrNotExist{ID: "", RelPath: ".editorconfig"} } reader, err := treeEntry.Blob().DataAsync() if err != nil { return nil, nil, err } defer reader.Close() return editorconfig.ParseGraceful(reader) } // RetrieveBaseRepo retrieves base repository func RetrieveBaseRepo(ctx *Context, repo *repo_model.Repository) { // Non-fork repository will not return error in this method. if err := repo.GetBaseRepo(ctx); err != nil { if repo_model.IsErrRepoNotExist(err) { repo.IsFork = false repo.ForkID = 0 return } ctx.ServerError("GetBaseRepo", err) return } else if err = repo.BaseRepo.LoadOwner(ctx); err != nil { ctx.ServerError("BaseRepo.LoadOwner", err) return } } // RetrieveTemplateRepo retrieves template repository used to generate this repository func RetrieveTemplateRepo(ctx *Context, repo *repo_model.Repository) { // Non-generated repository will not return error in this method. templateRepo, err := repo_model.GetTemplateRepo(ctx, repo) if err != nil { if repo_model.IsErrRepoNotExist(err) { repo.TemplateID = 0 return } ctx.ServerError("GetTemplateRepo", err) return } else if err = templateRepo.LoadOwner(ctx); err != nil { ctx.ServerError("TemplateRepo.LoadOwner", err) return } perm, err := access_model.GetUserRepoPermission(ctx, templateRepo, ctx.Doer) 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(http.StatusBadRequest, "invalid repository path") return } var cloneURL string if setting.Repository.GoGetCloneURLProtocol == "ssh" { cloneURL = repo_model.ComposeSSHCloneURL(username, reponame) } else { cloneURL = repo_model.ComposeHTTPSCloneURL(username, reponame) } goImportContent := fmt.Sprintf("%s git %s", ComposeGoGetImport(username, reponame), cloneURL) htmlMeta := fmt.Sprintf(`<meta name="go-import" content="%s">`, html.EscapeString(goImportContent)) ctx.PlainText(http.StatusOK, htmlMeta) } // RedirectToRepo redirect to a differently-named repository func RedirectToRepo(ctx *Base, redirectRepoID int64) { ownerName := ctx.Params(":username") previousRepoName := ctx.Params(":reponame") repo, err := repo_model.GetRepositoryByID(ctx, redirectRepoID) if err != nil { log.Error("GetRepositoryByID: %v", err) ctx.Error(http.StatusInternalServerError, "GetRepositoryByID") 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), http.StatusTemporaryRedirect) } func repoAssignment(ctx *Context, repo *repo_model.Repository) { var err error if err = repo.LoadOwner(ctx); err != nil { ctx.ServerError("LoadOwner", err) return } ctx.Repo.Permission, err = access_model.GetUserRepoPermission(ctx, repo, ctx.Doer) if err != nil { ctx.ServerError("GetUserRepoPermission", err) return } if !ctx.Repo.Permission.HasAnyUnitAccessOrEveryoneAccess() { if ctx.FormString("go-get") == "1" { EarlyResponseForGoGetMeta(ctx) return } ctx.NotFound("no access right", nil) return } ctx.Data["Permission"] = &ctx.Repo.Permission if repo.IsMirror { pullMirror, err := repo_model.GetMirrorByRepoID(ctx, repo.ID) if err == nil { ctx.Data["PullMirror"] = pullMirror } else if err != repo_model.ErrMirrorNotExist { ctx.ServerError("GetMirrorByRepoID", err) return } } pushMirrors, _, err := repo_model.GetPushMirrorsByRepoID(ctx, repo.ID, db.ListOptions{}) if err != nil { ctx.ServerError("GetPushMirrorsByRepoID", err) return } ctx.Repo.Repository = repo ctx.Data["PushMirrors"] = pushMirrors ctx.Data["RepoName"] = ctx.Repo.Repository.Name ctx.Data["IsEmptyRepo"] = ctx.Repo.Repository.IsEmpty } // RepoAssignment returns a middleware to handle repository assignment func RepoAssignment(ctx *Context) context.CancelFunc { if _, repoAssignmentOnce := ctx.Data["repoAssignmentExecuted"]; repoAssignmentOnce { log.Trace("RepoAssignment was exec already, skipping second call ...") return nil } ctx.Data["repoAssignmentExecuted"] = true var ( owner *user_model.User err error ) userName := ctx.Params(":username") repoName := ctx.Params(":reponame") repoName = strings.TrimSuffix(repoName, ".git") if setting.Other.EnableFeed { repoName = strings.TrimSuffix(repoName, ".rss") repoName = strings.TrimSuffix(repoName, ".atom") } // Check if the user is the same as the repository owner if ctx.IsSigned && ctx.Doer.LowerName == strings.ToLower(userName) { owner = ctx.Doer } else { owner, err = user_model.GetUserByName(ctx, userName) if err != nil { if user_model.IsErrUserNotExist(err) { // go-get does not support redirects // https://github.com/golang/go/issues/19760 if ctx.FormString("go-get") == "1" { EarlyResponseForGoGetMeta(ctx) return nil } if redirectUserID, err := user_model.LookupUserRedirect(ctx, userName); err == nil { RedirectToUser(ctx.Base, userName, redirectUserID) } else if user_model.IsErrUserRedirectNotExist(err) { ctx.NotFound("GetUserByName", nil) } else { ctx.ServerError("LookupUserRedirect", err) } } else { ctx.ServerError("GetUserByName", err) } return nil } } ctx.Repo.Owner = owner ctx.ContextUser = owner ctx.Data["ContextUser"] = ctx.ContextUser ctx.Data["Username"] = ctx.Repo.Owner.Name // redirect link to wiki if strings.HasSuffix(repoName, ".wiki") { // ctx.Req.URL.Path does not have the preceding appSubURL - any redirect must have this added // Now we happen to know that all of our paths are: /:username/:reponame/whatever_else originalRepoName := ctx.Params(":reponame") redirectRepoName := strings.TrimSuffix(repoName, ".wiki") redirectRepoName += originalRepoName[len(redirectRepoName)+5:] redirectPath := strings.Replace( ctx.Req.URL.EscapedPath(), url.PathEscape(userName)+"/"+url.PathEscape(originalRepoName), url.PathEscape(userName)+"/"+url.PathEscape(redirectRepoName)+"/wiki", 1, ) if ctx.Req.URL.RawQuery != "" { redirectPath += "?" + ctx.Req.URL.RawQuery } ctx.Redirect(path.Join(setting.AppSubURL, redirectPath)) return nil } // Get repository. repo, err := repo_model.GetRepositoryByName(ctx, owner.ID, repoName) if err != nil { if repo_model.IsErrRepoNotExist(err) { redirectRepoID, err := repo_model.LookupRedirect(ctx, owner.ID, repoName) if err == nil { RedirectToRepo(ctx.Base, redirectRepoID) } else if repo_model.IsErrRedirectNotExist(err) { if ctx.FormString("go-get") == "1" { EarlyResponseForGoGetMeta(ctx) return nil } ctx.NotFound("GetRepositoryByName", nil) } else { ctx.ServerError("LookupRepoRedirect", err) } } else { ctx.ServerError("GetRepositoryByName", err) } return nil } repo.Owner = owner repoAssignment(ctx, repo) if ctx.Written() { return nil } ctx.Repo.RepoLink = repo.Link() ctx.Data["RepoLink"] = ctx.Repo.RepoLink ctx.Data["RepoRelPath"] = ctx.Repo.Owner.Name + "/" + ctx.Repo.Repository.Name if setting.Other.EnableFeed { ctx.Data["EnableFeed"] = true ctx.Data["FeedURL"] = ctx.Repo.RepoLink } unit, err := ctx.Repo.Repository.GetUnit(ctx, unit_model.TypeExternalTracker) if err == nil { ctx.Data["RepoExternalIssuesLink"] = unit.ExternalTrackerConfig().ExternalTrackerURL } ctx.Data["NumTags"], err = db.Count[repo_model.Release](ctx, repo_model.FindReleasesOptions{ IncludeDrafts: true, IncludeTags: true, HasSha1: optional.Some(true), // only draft releases which are created with existing tags RepoID: ctx.Repo.Repository.ID, }) if err != nil { ctx.ServerError("GetReleaseCountByRepoID", err) return nil } ctx.Data["NumReleases"], err = db.Count[repo_model.Release](ctx, repo_model.FindReleasesOptions{ // only show draft releases for users who can write, read-only users shouldn't see draft releases. IncludeDrafts: ctx.Repo.CanWrite(unit_model.TypeReleases), RepoID: ctx.Repo.Repository.ID, }) if err != nil { ctx.ServerError("GetReleaseCountByRepoID", err) return nil } 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) ctx.Data["CanWriteActions"] = ctx.Repo.CanWrite(unit_model.TypeActions) canSignedUserFork, err := repo_module.CanUserForkRepo(ctx, ctx.Doer, ctx.Repo.Repository) if err != nil { ctx.ServerError("CanUserForkRepo", err) return nil } ctx.Data["CanSignedUserFork"] = canSignedUserFork userAndOrgForks, err := repo_model.GetForksByUserAndOrgs(ctx, ctx.Doer, ctx.Repo.Repository) if err != nil { ctx.ServerError("GetForksByUserAndOrgs", err) return nil } ctx.Data["UserAndOrgForks"] = userAndOrgForks // canSignedUserFork is true if the current user doesn't have a fork of this repo yet or // if he owns an org that doesn't have a fork of this repo yet // If multiple forks are available or if the user can fork to another account, but there is already a fork: open selection dialog ctx.Data["ShowForkModal"] = len(userAndOrgForks) > 1 || (canSignedUserFork && len(userAndOrgForks) > 0) ctx.Data["RepoCloneLink"] = repo.CloneLink() cloneButtonShowHTTPS := !setting.Repository.DisableHTTPGit cloneButtonShowSSH := !setting.SSH.Disabled && (ctx.IsSigned || setting.SSH.ExposeAnonymous) if !cloneButtonShowHTTPS && !cloneButtonShowSSH { // We have to show at least one link, so we just show the HTTPS cloneButtonShowHTTPS = true } ctx.Data["CloneButtonShowHTTPS"] = cloneButtonShowHTTPS ctx.Data["CloneButtonShowSSH"] = cloneButtonShowSSH ctx.Data["CloneButtonOriginLink"] = ctx.Data["RepoCloneLink"] // it may be rewritten to the WikiCloneLink by the router middleware ctx.Data["RepoSearchEnabled"] = setting.Indexer.RepoIndexerEnabled if setting.Indexer.RepoIndexerEnabled { ctx.Data["CodeIndexerUnavailable"] = !code_indexer.IsAvailable(ctx) } if ctx.IsSigned { ctx.Data["IsWatchingRepo"] = repo_model.IsWatching(ctx, ctx.Doer.ID, repo.ID) ctx.Data["IsStaringRepo"] = repo_model.IsStaring(ctx, ctx.Doer.ID, repo.ID) } if repo.IsFork { RetrieveBaseRepo(ctx, repo) if ctx.Written() { return nil } } if repo.IsGenerated() { RetrieveTemplateRepo(ctx, repo) if ctx.Written() { return nil } } isHomeOrSettings := ctx.Link == ctx.Repo.RepoLink || ctx.Link == ctx.Repo.RepoLink+"/settings" || strings.HasPrefix(ctx.Link, ctx.Repo.RepoLink+"/settings/") // Disable everything when the repo is being created if ctx.Repo.Repository.IsBeingCreated() || ctx.Repo.Repository.IsBroken() { ctx.Data["BranchName"] = ctx.Repo.Repository.DefaultBranch if !isHomeOrSettings { ctx.Redirect(ctx.Repo.RepoLink) } return nil } gitRepo, err := gitrepo.OpenRepository(ctx, repo) if err != nil { if strings.Contains(err.Error(), "repository does not exist") || strings.Contains(err.Error(), "no such file or directory") { log.Error("Repository %-v has a broken repository on the file system: %s Error: %v", ctx.Repo.Repository, ctx.Repo.Repository.RepoPath(), err) ctx.Repo.Repository.MarkAsBrokenEmpty() ctx.Data["BranchName"] = ctx.Repo.Repository.DefaultBranch // Only allow access to base of repo or settings if !isHomeOrSettings { ctx.Redirect(ctx.Repo.RepoLink) } return nil } ctx.ServerError("RepoAssignment Invalid repo "+repo.FullName(), err) return nil } if ctx.Repo.GitRepo != nil { ctx.Repo.GitRepo.Close() } 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 cancel } branchOpts := git_model.FindBranchOptions{ RepoID: ctx.Repo.Repository.ID, IsDeletedBranch: optional.Some(false), ListOptions: db.ListOptionsAll, } branchesTotal, err := db.Count[git_model.Branch](ctx, branchOpts) if err != nil { ctx.ServerError("CountBranches", err) return cancel } // non-empty repo should have at least 1 branch, so this repository's branches haven't been synced yet if branchesTotal == 0 { // fallback to do a sync immediately branchesTotal, err = repo_module.SyncRepoBranches(ctx, ctx.Repo.Repository.ID, 0) if err != nil { ctx.ServerError("SyncRepoBranches", err) return cancel } } ctx.Data["BranchesCount"] = branchesTotal // If no branch is set in the request URL, try to guess a default one. 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 { ctx.Repo.BranchName, _ = gitrepo.GetDefaultBranch(ctx, ctx.Repo.Repository) if ctx.Repo.BranchName == "" { // If it still can't get a default branch, fall back to default branch from setting. // Something might be wrong. Either site admin should fix the repo sync or Gitea should fix a potential bug. ctx.Repo.BranchName = setting.Repository.DefaultBranch } } ctx.Repo.RefName = ctx.Repo.BranchName } ctx.Data["BranchName"] = ctx.Repo.BranchName // People who have push access or have forked repository can propose a new pull request. canPush := ctx.Repo.CanWrite(unit_model.TypeCode) || (ctx.IsSigned && repo_model.HasForkedRepo(ctx, ctx.Doer.ID, 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(ctx) { 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(ctx) { // 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 == repo_model.RepositoryPendingTransfer { repoTransfer, err := models.GetPendingRepositoryTransfer(ctx, ctx.Repo.Repository) if err != nil { ctx.ServerError("GetPendingRepositoryTransfer", err) return cancel } if err := repoTransfer.LoadAttributes(ctx); err != nil { ctx.ServerError("LoadRecipient", err) return cancel } ctx.Data["RepoTransfer"] = repoTransfer if ctx.Doer != nil { ctx.Data["CanUserAcceptTransfer"] = repoTransfer.CanUserAcceptTransfer(ctx, ctx.Doer) } } if ctx.FormString("go-get") == "1" { ctx.Data["GoGetImport"] = ComposeGoGetImport(owner.Name, repo.Name) fullURLPrefix := repo.HTMLURL() + "/src/branch/" + util.PathEscapeSegments(ctx.Repo.BranchName) ctx.Data["GoDocDirectory"] = fullURLPrefix + "{/dir}" ctx.Data["GoDocFile"] = fullURLPrefix + "{/dir}/{file}#L{line}" } return cancel } // 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 ) const headRefName = "HEAD" // 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(repo *Repository, 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) { repo.TreePath = strings.Join(parts[i+1:], "/") return refName } } return "" } func getRefName(ctx *Base, repo *Repository, pathType RepoRefType) string { path := ctx.Params("*") switch pathType { case RepoRefLegacy, RepoRefAny: if refName := getRefName(ctx, repo, RepoRefBranch); len(refName) > 0 { return refName } if refName := getRefName(ctx, repo, 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]) == git.ObjectFormatFromName(repo.Repository.ObjectFormatName).FullLength() { repo.TreePath = strings.Join(parts[1:], "/") return parts[0] } if refName := getRefName(ctx, repo, RepoRefBlob); len(refName) > 0 { return refName } repo.TreePath = path return repo.Repository.DefaultBranch case RepoRefBranch: ref := getRefNameFromPath(repo, path, repo.GitRepo.IsBranchExist) if len(ref) == 0 { // check if ref is HEAD parts := strings.Split(path, "/") if parts[0] == headRefName { repo.TreePath = strings.Join(parts[1:], "/") return repo.Repository.DefaultBranch } // maybe it's a renamed branch return getRefNameFromPath(repo, path, func(s string) bool { b, exist, err := git_model.FindRenamedBranch(ctx, repo.Repository.ID, s) if err != nil { log.Error("FindRenamedBranch: %v", err) return false } if !exist { return false } ctx.Data["IsRenamedBranch"] = true ctx.Data["RenamedBranchName"] = b.To return true }) } return ref case RepoRefTag: return getRefNameFromPath(repo, path, repo.GitRepo.IsTagExist) case RepoRefCommit: parts := strings.Split(path, "/") if len(parts) > 0 && len(parts[0]) >= 7 && len(parts[0]) <= repo.GetObjectFormat().FullLength() { repo.TreePath = strings.Join(parts[1:], "/") return parts[0] } if len(parts) > 0 && parts[0] == headRefName { // HEAD ref points to last default branch commit commit, err := repo.GitRepo.GetBranchCommit(repo.Repository.DefaultBranch) if err != nil { return "" } repo.TreePath = strings.Join(parts[1:], "/") return commit.ID.String() } case RepoRefBlob: _, err := 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 { // assume the user is viewing the (non-existent) default branch ctx.Repo.IsViewBranch = true ctx.Repo.BranchName = ctx.Repo.Repository.DefaultBranch ctx.Data["TreePath"] = "" return nil } var ( refName string err error ) if ctx.Repo.GitRepo == nil { ctx.Repo.GitRepo, err = gitrepo.OpenRepository(ctx, ctx.Repo.Repository) if err != nil { ctx.ServerError(fmt.Sprintf("Open Repository %v failed", ctx.Repo.Repository.FullName()), err) return nil } // 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 if !ctx.Repo.GitRepo.IsBranchExist(refName) { brs, _, err := ctx.Repo.GitRepo.GetBranches(0, 1) if err == nil && len(brs) != 0 { refName = brs[0].Name } else if len(brs) == 0 { log.Error("No branches in non-empty repository %s", ctx.Repo.GitRepo.Path) ctx.Repo.Repository.MarkAsBrokenEmpty() } else { log.Error("GetBranches error: %v", err) ctx.Repo.Repository.MarkAsBrokenEmpty() } } ctx.Repo.RefName = refName ctx.Repo.BranchName = refName ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName) if err == nil { ctx.Repo.CommitID = ctx.Repo.Commit.ID.String() } else if strings.Contains(err.Error(), "fatal: not a git repository") || strings.Contains(err.Error(), "object does not exist") { // if the repository is broken, we can continue to the handler code, to show "Settings -> Delete Repository" for end users log.Error("GetBranchCommit: %v", err) ctx.Repo.Repository.MarkAsBrokenEmpty() } else { ctx.ServerError("GetBranchCommit", err) return cancel } ctx.Repo.IsViewBranch = true } else { refName = getRefName(ctx.Base, ctx.Repo, refType) ctx.Repo.RefName = 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 cancel } if refType.RefTypeIncludesBranches() && ctx.Repo.GitRepo.IsBranchExist(refName) { ctx.Repo.IsViewBranch = true ctx.Repo.BranchName = refName ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName) if err != nil { ctx.ServerError("GetBranchCommit", err) return cancel } ctx.Repo.CommitID = ctx.Repo.Commit.ID.String() } else if refType.RefTypeIncludesTags() && ctx.Repo.GitRepo.IsTagExist(refName) { ctx.Repo.IsViewTag = true ctx.Repo.TagName = refName ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetTagCommit(refName) if err != nil { if git.IsErrNotExist(err) { ctx.NotFound("GetTagCommit", err) return cancel } ctx.ServerError("GetTagCommit", err) return cancel } ctx.Repo.CommitID = ctx.Repo.Commit.ID.String() } else if len(refName) >= 7 && len(refName) <= ctx.Repo.GetObjectFormat().FullLength() { 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 cancel } // If short commit ID add canonical link header if len(refName) < ctx.Repo.GetObjectFormat().FullLength() { ctx.RespHeader().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 cancel } ctx.NotFound("RepoRef invalid repo", fmt.Errorf("branch or tag not exist: %s", refName)) return cancel } if refType == RepoRefLegacy { // redirect from old URL scheme to new URL scheme prefix := strings.TrimPrefix(setting.AppSubURL+strings.ToLower(strings.TrimSuffix(ctx.Req.URL.Path, ctx.Params("*"))), strings.ToLower(ctx.Repo.RepoLink)) ctx.Redirect(path.Join( ctx.Repo.RepoLink, util.PathEscapeSegments(prefix), ctx.Repo.BranchNameSubURL(), util.PathEscapeSegments(ctx.Repo.TreePath))) return cancel } } ctx.Data["BranchName"] = ctx.Repo.BranchName ctx.Data["RefName"] = ctx.Repo.RefName ctx.Data["BranchNameSubURL"] = ctx.Repo.BranchNameSubURL() ctx.Data["TagName"] = ctx.Repo.TagName 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 cancel } ctx.Data["CommitsCount"] = ctx.Repo.CommitsCount ctx.Repo.GitRepo.LastCommitCache = git.NewLastCommitCache(ctx.Repo.CommitsCount, ctx.Repo.Repository.FullName(), ctx.Repo.GitRepo, cache.GetCache()) return cancel } } // GitHookService checks if repository Git hooks service has been enabled. func GitHookService() func(ctx *Context) { return func(ctx *Context) { if !ctx.Doer.CanEditGitHook() { ctx.NotFound("GitHookService", nil) return } } }