gitea/routers/web/repo/view.go

387 lines
11 KiB
Go

// Copyright 2017 The Gitea Authors. All rights reserved.
// Copyright 2014 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package repo
import (
gocontext "context"
"errors"
"fmt"
"html/template"
"io"
"net/http"
"net/url"
"strings"
"time"
_ "image/gif" // for processing gif images
_ "image/jpeg" // for processing jpeg images
_ "image/png" // for processing png images
activities_model "code.gitea.io/gitea/models/activities"
admin_model "code.gitea.io/gitea/models/admin"
asymkey_model "code.gitea.io/gitea/models/asymkey"
"code.gitea.io/gitea/models/db"
git_model "code.gitea.io/gitea/models/git"
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/base"
"code.gitea.io/gitea/modules/charset"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/lfs"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/structs"
"code.gitea.io/gitea/modules/typesniffer"
"code.gitea.io/gitea/modules/util"
"code.gitea.io/gitea/services/context"
repo_service "code.gitea.io/gitea/services/repository"
_ "golang.org/x/image/bmp" // for processing bmp images
_ "golang.org/x/image/webp" // for processing webp images
)
const (
tplRepoEMPTY base.TplName = "repo/empty"
tplRepoHome base.TplName = "repo/home"
tplRepoViewList base.TplName = "repo/view_list"
tplWatchers base.TplName = "repo/watchers"
tplForks base.TplName = "repo/forks"
tplMigrating base.TplName = "repo/migrate/migrating"
)
type fileInfo struct {
isTextFile bool
isLFSFile bool
fileSize int64
lfsMeta *lfs.Pointer
st typesniffer.SniffedType
}
func getFileReader(ctx gocontext.Context, repoID int64, blob *git.Blob) ([]byte, io.ReadCloser, *fileInfo, error) {
dataRc, err := blob.DataAsync()
if err != nil {
return nil, nil, nil, err
}
buf := make([]byte, 1024)
n, _ := util.ReadAtMost(dataRc, buf)
buf = buf[:n]
st := typesniffer.DetectContentType(buf)
isTextFile := st.IsText()
// FIXME: what happens when README file is an image?
if !isTextFile || !setting.LFS.StartServer {
return buf, dataRc, &fileInfo{isTextFile, false, blob.Size(), nil, st}, nil
}
pointer, _ := lfs.ReadPointerFromBuffer(buf)
if !pointer.IsValid() { // fallback to plain file
return buf, dataRc, &fileInfo{isTextFile, false, blob.Size(), nil, st}, nil
}
meta, err := git_model.GetLFSMetaObjectByOid(ctx, repoID, pointer.Oid)
if err != nil { // fallback to plain file
log.Warn("Unable to access LFS pointer %s in repo %d: %v", pointer.Oid, repoID, err)
return buf, dataRc, &fileInfo{isTextFile, false, blob.Size(), nil, st}, nil
}
dataRc.Close()
dataRc, err = lfs.ReadMetaObject(pointer)
if err != nil {
return nil, nil, nil, err
}
buf = make([]byte, 1024)
n, err = util.ReadAtMost(dataRc, buf)
if err != nil {
dataRc.Close()
return nil, nil, nil, err
}
buf = buf[:n]
st = typesniffer.DetectContentType(buf)
return buf, dataRc, &fileInfo{st.IsText(), true, meta.Size, &meta.Pointer, st}, nil
}
func loadLatestCommitData(ctx *context.Context, latestCommit *git.Commit) bool {
// Show latest commit info of repository in table header,
// or of directory if not in root directory.
ctx.Data["LatestCommit"] = latestCommit
if latestCommit != nil {
verification := asymkey_model.ParseCommitWithSignature(ctx, latestCommit)
if err := asymkey_model.CalculateTrustStatus(verification, ctx.Repo.Repository.GetTrustModel(), func(user *user_model.User) (bool, error) {
return repo_model.IsOwnerMemberCollaborator(ctx, ctx.Repo.Repository, user.ID)
}, nil); err != nil {
ctx.ServerError("CalculateTrustStatus", err)
return false
}
ctx.Data["LatestCommitVerification"] = verification
ctx.Data["LatestCommitUser"] = user_model.ValidateCommitWithEmail(ctx, latestCommit)
statuses, _, err := git_model.GetLatestCommitStatus(ctx, ctx.Repo.Repository.ID, latestCommit.ID.String(), db.ListOptionsAll)
if err != nil {
log.Error("GetLatestCommitStatus: %v", err)
}
if !ctx.Repo.CanRead(unit_model.TypeActions) {
git_model.CommitStatusesHideActionsURL(ctx, statuses)
}
ctx.Data["LatestCommitStatus"] = git_model.CalcCommitStatus(statuses)
ctx.Data["LatestCommitStatuses"] = statuses
}
return true
}
func markupRender(ctx *context.Context, renderCtx *markup.RenderContext, input io.Reader) (escaped *charset.EscapeStatus, output template.HTML, err error) {
markupRd, markupWr := io.Pipe()
defer markupWr.Close()
done := make(chan struct{})
go func() {
sb := &strings.Builder{}
// We allow NBSP here this is rendered
escaped, _ = charset.EscapeControlReader(markupRd, sb, ctx.Locale, charset.RuneNBSP)
output = template.HTML(sb.String())
close(done)
}()
err = markup.Render(renderCtx, input, markupWr)
_ = markupWr.CloseWithError(err)
<-done
return escaped, output, err
}
func checkHomeCodeViewable(ctx *context.Context) {
if ctx.Repo.HasUnits() {
if ctx.Repo.Repository.IsBeingCreated() {
task, err := admin_model.GetMigratingTask(ctx, ctx.Repo.Repository.ID)
if err != nil {
if admin_model.IsErrTaskDoesNotExist(err) {
ctx.Data["Repo"] = ctx.Repo
ctx.Data["CloneAddr"] = ""
ctx.Data["Failed"] = true
ctx.HTML(http.StatusOK, tplMigrating)
return
}
ctx.ServerError("models.GetMigratingTask", err)
return
}
cfg, err := task.MigrateConfig()
if err != nil {
ctx.ServerError("task.MigrateConfig", err)
return
}
ctx.Data["Repo"] = ctx.Repo
ctx.Data["MigrateTask"] = task
ctx.Data["CloneAddr"], _ = util.SanitizeURL(cfg.CloneAddr)
ctx.Data["Failed"] = task.Status == structs.TaskStatusFailed
ctx.HTML(http.StatusOK, tplMigrating)
return
}
if ctx.IsSigned {
// Set repo notification-status read if unread
if err := activities_model.SetRepoReadBy(ctx, ctx.Repo.Repository.ID, ctx.Doer.ID); err != nil {
ctx.ServerError("ReadBy", err)
return
}
}
var firstUnit *unit_model.Unit
for _, repoUnitType := range ctx.Repo.Permission.ReadableUnitTypes() {
if repoUnitType == unit_model.TypeCode {
// we are doing this check in "code" unit related pages, so if the code unit is readable, no need to do any further redirection
return
}
unit, ok := unit_model.Units[repoUnitType]
if ok && (firstUnit == nil || !firstUnit.IsLessThan(unit)) {
firstUnit = &unit
}
}
if firstUnit != nil {
ctx.Redirect(fmt.Sprintf("%s%s", ctx.Repo.Repository.Link(), firstUnit.URI))
return
}
}
ctx.NotFound("Home", errors.New(ctx.Locale.TrString("units.error.no_unit_allowed_repo")))
}
// LastCommit returns lastCommit data for the provided branch/tag/commit and directory (in url) and filenames in body
func LastCommit(ctx *context.Context) {
checkHomeCodeViewable(ctx)
if ctx.Written() {
return
}
renderDirectoryFiles(ctx, 0)
if ctx.Written() {
return
}
var treeNames []string
paths := make([]string, 0, 5)
if len(ctx.Repo.TreePath) > 0 {
treeNames = strings.Split(ctx.Repo.TreePath, "/")
for i := range treeNames {
paths = append(paths, strings.Join(treeNames[:i+1], "/"))
}
ctx.Data["HasParentPath"] = true
if len(paths)-2 >= 0 {
ctx.Data["ParentPath"] = "/" + paths[len(paths)-2]
}
}
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
ctx.Data["BranchLink"] = branchLink
ctx.HTML(http.StatusOK, tplRepoViewList)
}
func renderDirectoryFiles(ctx *context.Context, timeout time.Duration) git.Entries {
tree, err := ctx.Repo.Commit.SubTree(ctx.Repo.TreePath)
if err != nil {
HandleGitError(ctx, "Repo.Commit.SubTree", err)
return nil
}
ctx.Data["LastCommitLoaderURL"] = ctx.Repo.RepoLink + "/lastcommit/" + url.PathEscape(ctx.Repo.CommitID) + "/" + util.PathEscapeSegments(ctx.Repo.TreePath)
// Get current entry user currently looking at.
entry, err := ctx.Repo.Commit.GetTreeEntryByPath(ctx.Repo.TreePath)
if err != nil {
HandleGitError(ctx, "Repo.Commit.GetTreeEntryByPath", err)
return nil
}
if !entry.IsDir() {
HandleGitError(ctx, "Repo.Commit.GetTreeEntryByPath", err)
return nil
}
allEntries, err := tree.ListEntries()
if err != nil {
ctx.ServerError("ListEntries", err)
return nil
}
allEntries.CustomSort(base.NaturalSortLess)
commitInfoCtx := gocontext.Context(ctx)
if timeout > 0 {
var cancel gocontext.CancelFunc
commitInfoCtx, cancel = gocontext.WithTimeout(ctx, timeout)
defer cancel()
}
files, latestCommit, err := allEntries.GetCommitsInfo(commitInfoCtx, ctx.Repo.Commit, ctx.Repo.TreePath)
if err != nil {
ctx.ServerError("GetCommitsInfo", err)
return nil
}
ctx.Data["Files"] = files
for _, f := range files {
if f.Commit == nil {
ctx.Data["HasFilesWithoutLatestCommit"] = true
break
}
}
if !loadLatestCommitData(ctx, latestCommit) {
return nil
}
branchLink := ctx.Repo.RepoLink + "/src/" + ctx.Repo.BranchNameSubURL()
treeLink := branchLink
if len(ctx.Repo.TreePath) > 0 {
treeLink += "/" + util.PathEscapeSegments(ctx.Repo.TreePath)
}
ctx.Data["TreeLink"] = treeLink
ctx.Data["SSHDomain"] = setting.SSH.Domain
return allEntries
}
// RenderUserCards render a page show users according the input template
func RenderUserCards(ctx *context.Context, total int, getter func(opts db.ListOptions) ([]*user_model.User, error), tpl base.TplName) {
page := ctx.FormInt("page")
if page <= 0 {
page = 1
}
pager := context.NewPagination(total, setting.ItemsPerPage, page, 5)
ctx.Data["Page"] = pager
items, err := getter(db.ListOptions{
Page: pager.Paginater.Current(),
PageSize: setting.ItemsPerPage,
})
if err != nil {
ctx.ServerError("getter", err)
return
}
ctx.Data["Cards"] = items
ctx.HTML(http.StatusOK, tpl)
}
// Watchers render repository's watch users
func Watchers(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.watchers")
ctx.Data["CardsTitle"] = ctx.Tr("repo.watchers")
RenderUserCards(ctx, ctx.Repo.Repository.NumWatches, func(opts db.ListOptions) ([]*user_model.User, error) {
return repo_model.GetRepoWatchers(ctx, ctx.Repo.Repository.ID, opts)
}, tplWatchers)
}
// Stars render repository's starred users
func Stars(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.stargazers")
ctx.Data["CardsTitle"] = ctx.Tr("repo.stargazers")
RenderUserCards(ctx, ctx.Repo.Repository.NumStars, func(opts db.ListOptions) ([]*user_model.User, error) {
return repo_model.GetStargazers(ctx, ctx.Repo.Repository, opts)
}, tplWatchers)
}
// Forks render repository's forked users
func Forks(ctx *context.Context) {
ctx.Data["Title"] = ctx.Tr("repo.forks")
page := ctx.FormInt("page")
if page <= 0 {
page = 1
}
pageSize := setting.ItemsPerPage
forks, total, err := repo_service.FindForks(ctx, ctx.Repo.Repository, ctx.Doer, db.ListOptions{
Page: page,
PageSize: pageSize,
})
if err != nil {
ctx.ServerError("FindForks", err)
return
}
if err := repo_model.RepositoryList(forks).LoadOwners(ctx); err != nil {
ctx.ServerError("LoadAttributes", err)
return
}
pager := context.NewPagination(int(total), pageSize, page, 5)
ctx.Data["Page"] = pager
ctx.Data["Forks"] = forks
ctx.HTML(http.StatusOK, tplForks)
}