Fork to maintain patches against the official gitea for https://code.ceondo.com https://github.com/go-gitea/gitea

repo.go 17KB

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  1. // Copyright 2014 The Gogs Authors. All rights reserved.
  2. // Copyright 2017 The Gitea Authors. All rights reserved.
  3. // Use of this source code is governed by a MIT-style
  4. // license that can be found in the LICENSE file.
  5. package context
  6. import (
  7. "fmt"
  8. "io/ioutil"
  9. "path"
  10. "strings"
  11. "code.gitea.io/git"
  12. "code.gitea.io/gitea/models"
  13. "code.gitea.io/gitea/modules/setting"
  14. "github.com/Unknwon/com"
  15. "gopkg.in/editorconfig/editorconfig-core-go.v1"
  16. "gopkg.in/macaron.v1"
  17. )
  18. // PullRequest contains informations to make a pull request
  19. type PullRequest struct {
  20. BaseRepo *models.Repository
  21. Allowed bool
  22. SameRepo bool
  23. HeadInfo string // [<user>:]<branch>
  24. }
  25. // Repository contains information to operate a repository
  26. type Repository struct {
  27. AccessMode models.AccessMode
  28. IsWatching bool
  29. IsViewBranch bool
  30. IsViewTag bool
  31. IsViewCommit bool
  32. Repository *models.Repository
  33. Owner *models.User
  34. Commit *git.Commit
  35. Tag *git.Tag
  36. GitRepo *git.Repository
  37. BranchName string
  38. TagName string
  39. TreePath string
  40. CommitID string
  41. RepoLink string
  42. CloneLink models.CloneLink
  43. CommitsCount int64
  44. Mirror *models.Mirror
  45. PullRequest *PullRequest
  46. }
  47. // IsOwner returns true if current user is the owner of repository.
  48. func (r *Repository) IsOwner() bool {
  49. return r.AccessMode >= models.AccessModeOwner
  50. }
  51. // IsAdmin returns true if current user has admin or higher access of repository.
  52. func (r *Repository) IsAdmin() bool {
  53. return r.AccessMode >= models.AccessModeAdmin
  54. }
  55. // IsWriter returns true if current user has write or higher access of repository.
  56. func (r *Repository) IsWriter() bool {
  57. return r.AccessMode >= models.AccessModeWrite
  58. }
  59. // HasAccess returns true if the current user has at least read access for this repository
  60. func (r *Repository) HasAccess() bool {
  61. return r.AccessMode >= models.AccessModeRead
  62. }
  63. // CanEnableEditor returns true if repository is editable and user has proper access level.
  64. func (r *Repository) CanEnableEditor() bool {
  65. return r.Repository.CanEnableEditor() && r.IsViewBranch && r.IsWriter()
  66. }
  67. // CanCommitToBranch returns true if repository is editable and user has proper access level
  68. // and branch is not protected
  69. func (r *Repository) CanCommitToBranch(doer *models.User) (bool, error) {
  70. protectedBranch, err := r.Repository.IsProtectedBranch(r.BranchName, doer)
  71. if err != nil {
  72. return false, err
  73. }
  74. return r.CanEnableEditor() && !protectedBranch, nil
  75. }
  76. // CanUseTimetracker returns whether or not a user can use the timetracker.
  77. func (r *Repository) CanUseTimetracker(issue *models.Issue, user *models.User) bool {
  78. // Checking for following:
  79. // 1. Is timetracker enabled
  80. // 2. Is the user a contributor, admin, poster or assignee and do the repository policies require this?
  81. return r.Repository.IsTimetrackerEnabled() && (!r.Repository.AllowOnlyContributorsToTrackTime() ||
  82. r.IsWriter() || issue.IsPoster(user.ID) || issue.AssigneeID == user.ID)
  83. }
  84. // GetEditorconfig returns the .editorconfig definition if found in the
  85. // HEAD of the default repo branch.
  86. func (r *Repository) GetEditorconfig() (*editorconfig.Editorconfig, error) {
  87. commit, err := r.GitRepo.GetBranchCommit(r.Repository.DefaultBranch)
  88. if err != nil {
  89. return nil, err
  90. }
  91. treeEntry, err := commit.GetTreeEntryByPath(".editorconfig")
  92. if err != nil {
  93. return nil, err
  94. }
  95. reader, err := treeEntry.Blob().Data()
  96. if err != nil {
  97. return nil, err
  98. }
  99. data, err := ioutil.ReadAll(reader)
  100. if err != nil {
  101. return nil, err
  102. }
  103. return editorconfig.ParseBytes(data)
  104. }
  105. // RetrieveBaseRepo retrieves base repository
  106. func RetrieveBaseRepo(ctx *Context, repo *models.Repository) {
  107. // Non-fork repository will not return error in this method.
  108. if err := repo.GetBaseRepo(); err != nil {
  109. if models.IsErrRepoNotExist(err) {
  110. repo.IsFork = false
  111. repo.ForkID = 0
  112. return
  113. }
  114. ctx.Handle(500, "GetBaseRepo", err)
  115. return
  116. } else if err = repo.BaseRepo.GetOwner(); err != nil {
  117. ctx.Handle(500, "BaseRepo.GetOwner", err)
  118. return
  119. }
  120. }
  121. // composeGoGetImport returns go-get-import meta content.
  122. func composeGoGetImport(owner, repo string) string {
  123. return path.Join(setting.Domain, setting.AppSubURL, owner, repo)
  124. }
  125. // earlyResponseForGoGetMeta responses appropriate go-get meta with status 200
  126. // if user does not have actual access to the requested repository,
  127. // or the owner or repository does not exist at all.
  128. // This is particular a workaround for "go get" command which does not respect
  129. // .netrc file.
  130. func earlyResponseForGoGetMeta(ctx *Context) {
  131. ctx.PlainText(200, []byte(com.Expand(`<meta name="go-import" content="{GoGetImport} git {CloneLink}">`,
  132. map[string]string{
  133. "GoGetImport": composeGoGetImport(ctx.Params(":username"), strings.TrimSuffix(ctx.Params(":reponame"), ".git")),
  134. "CloneLink": models.ComposeHTTPSCloneURL(ctx.Params(":username"), ctx.Params(":reponame")),
  135. })))
  136. }
  137. // RedirectToRepo redirect to a differently-named repository
  138. func RedirectToRepo(ctx *Context, redirectRepoID int64) {
  139. ownerName := ctx.Params(":username")
  140. previousRepoName := ctx.Params(":reponame")
  141. repo, err := models.GetRepositoryByID(redirectRepoID)
  142. if err != nil {
  143. ctx.Handle(500, "GetRepositoryByID", err)
  144. return
  145. }
  146. redirectPath := strings.Replace(
  147. ctx.Req.URL.Path,
  148. fmt.Sprintf("%s/%s", ownerName, previousRepoName),
  149. fmt.Sprintf("%s/%s", ownerName, repo.Name),
  150. 1,
  151. )
  152. ctx.Redirect(redirectPath)
  153. }
  154. // RepoAssignment returns a macaron to handle repository assignment
  155. func RepoAssignment() macaron.Handler {
  156. return func(ctx *Context) {
  157. var (
  158. owner *models.User
  159. err error
  160. )
  161. userName := ctx.Params(":username")
  162. repoName := ctx.Params(":reponame")
  163. // Check if the user is the same as the repository owner
  164. if ctx.IsSigned && ctx.User.LowerName == strings.ToLower(userName) {
  165. owner = ctx.User
  166. } else {
  167. owner, err = models.GetUserByName(userName)
  168. if err != nil {
  169. if models.IsErrUserNotExist(err) {
  170. if ctx.Query("go-get") == "1" {
  171. earlyResponseForGoGetMeta(ctx)
  172. return
  173. }
  174. ctx.Handle(404, "GetUserByName", nil)
  175. } else {
  176. ctx.Handle(500, "GetUserByName", err)
  177. }
  178. return
  179. }
  180. }
  181. ctx.Repo.Owner = owner
  182. ctx.Data["Username"] = ctx.Repo.Owner.Name
  183. // Get repository.
  184. repo, err := models.GetRepositoryByName(owner.ID, repoName)
  185. if err != nil {
  186. if models.IsErrRepoNotExist(err) {
  187. redirectRepoID, err := models.LookupRepoRedirect(owner.ID, repoName)
  188. if err == nil {
  189. RedirectToRepo(ctx, redirectRepoID)
  190. } else if models.IsErrRepoRedirectNotExist(err) {
  191. if ctx.Query("go-get") == "1" {
  192. earlyResponseForGoGetMeta(ctx)
  193. return
  194. }
  195. ctx.Handle(404, "GetRepositoryByName", nil)
  196. } else {
  197. ctx.Handle(500, "LookupRepoRedirect", err)
  198. }
  199. } else {
  200. ctx.Handle(500, "GetRepositoryByName", err)
  201. }
  202. return
  203. }
  204. repo.Owner = owner
  205. // Admin has super access.
  206. if ctx.IsSigned && ctx.User.IsAdmin {
  207. ctx.Repo.AccessMode = models.AccessModeOwner
  208. } else {
  209. var userID int64
  210. if ctx.User != nil {
  211. userID = ctx.User.ID
  212. }
  213. mode, err := models.AccessLevel(userID, repo)
  214. if err != nil {
  215. ctx.Handle(500, "AccessLevel", err)
  216. return
  217. }
  218. ctx.Repo.AccessMode = mode
  219. }
  220. // Check access.
  221. if ctx.Repo.AccessMode == models.AccessModeNone {
  222. if ctx.Query("go-get") == "1" {
  223. earlyResponseForGoGetMeta(ctx)
  224. return
  225. }
  226. ctx.Handle(404, "no access right", err)
  227. return
  228. }
  229. ctx.Data["HasAccess"] = true
  230. if repo.IsMirror {
  231. ctx.Repo.Mirror, err = models.GetMirrorByRepoID(repo.ID)
  232. if err != nil {
  233. ctx.Handle(500, "GetMirror", err)
  234. return
  235. }
  236. ctx.Data["MirrorEnablePrune"] = ctx.Repo.Mirror.EnablePrune
  237. ctx.Data["MirrorInterval"] = ctx.Repo.Mirror.Interval
  238. ctx.Data["Mirror"] = ctx.Repo.Mirror
  239. }
  240. ctx.Repo.Repository = repo
  241. ctx.Data["RepoName"] = ctx.Repo.Repository.Name
  242. ctx.Data["IsBareRepo"] = ctx.Repo.Repository.IsBare
  243. gitRepo, err := git.OpenRepository(models.RepoPath(userName, repoName))
  244. if err != nil {
  245. ctx.Handle(500, "RepoAssignment Invalid repo "+models.RepoPath(userName, repoName), err)
  246. return
  247. }
  248. ctx.Repo.GitRepo = gitRepo
  249. ctx.Repo.RepoLink = repo.Link()
  250. ctx.Data["RepoLink"] = ctx.Repo.RepoLink
  251. ctx.Data["RepoRelPath"] = ctx.Repo.Owner.Name + "/" + ctx.Repo.Repository.Name
  252. tags, err := ctx.Repo.GitRepo.GetTags()
  253. if err != nil {
  254. ctx.Handle(500, "GetTags", err)
  255. return
  256. }
  257. ctx.Data["Tags"] = tags
  258. count, err := models.GetReleaseCountByRepoID(ctx.Repo.Repository.ID, models.FindReleasesOptions{
  259. IncludeDrafts: false,
  260. })
  261. if err != nil {
  262. ctx.Handle(500, "GetReleaseCountByRepoID", err)
  263. return
  264. }
  265. ctx.Repo.Repository.NumReleases = int(count)
  266. ctx.Data["Title"] = owner.Name + "/" + repo.Name
  267. ctx.Data["Repository"] = repo
  268. ctx.Data["Owner"] = ctx.Repo.Repository.Owner
  269. ctx.Data["IsRepositoryOwner"] = ctx.Repo.IsOwner()
  270. ctx.Data["IsRepositoryAdmin"] = ctx.Repo.IsAdmin()
  271. ctx.Data["IsRepositoryWriter"] = ctx.Repo.IsWriter()
  272. ctx.Data["DisableSSH"] = setting.SSH.Disabled
  273. ctx.Data["ExposeAnonSSH"] = setting.SSH.ExposeAnonymous
  274. ctx.Data["DisableHTTP"] = setting.Repository.DisableHTTPGit
  275. ctx.Data["CloneLink"] = repo.CloneLink()
  276. ctx.Data["WikiCloneLink"] = repo.WikiCloneLink()
  277. if ctx.IsSigned {
  278. ctx.Data["IsWatchingRepo"] = models.IsWatching(ctx.User.ID, repo.ID)
  279. ctx.Data["IsStaringRepo"] = models.IsStaring(ctx.User.ID, repo.ID)
  280. }
  281. // repo is bare and display enable
  282. if ctx.Repo.Repository.IsBare {
  283. ctx.Data["BranchName"] = ctx.Repo.Repository.DefaultBranch
  284. return
  285. }
  286. ctx.Data["TagName"] = ctx.Repo.TagName
  287. brs, err := ctx.Repo.GitRepo.GetBranches()
  288. if err != nil {
  289. ctx.Handle(500, "GetBranches", err)
  290. return
  291. }
  292. ctx.Data["Branches"] = brs
  293. ctx.Data["BrancheCount"] = len(brs)
  294. // If not branch selected, try default one.
  295. // If default branch doesn't exists, fall back to some other branch.
  296. if len(ctx.Repo.BranchName) == 0 {
  297. if len(ctx.Repo.Repository.DefaultBranch) > 0 && gitRepo.IsBranchExist(ctx.Repo.Repository.DefaultBranch) {
  298. ctx.Repo.BranchName = ctx.Repo.Repository.DefaultBranch
  299. } else if len(brs) > 0 {
  300. ctx.Repo.BranchName = brs[0]
  301. }
  302. }
  303. ctx.Data["BranchName"] = ctx.Repo.BranchName
  304. ctx.Data["CommitID"] = ctx.Repo.CommitID
  305. if repo.IsFork {
  306. RetrieveBaseRepo(ctx, repo)
  307. if ctx.Written() {
  308. return
  309. }
  310. }
  311. // People who have push access or have forked repository can propose a new pull request.
  312. if ctx.Repo.IsWriter() || (ctx.IsSigned && ctx.User.HasForkedRepo(ctx.Repo.Repository.ID)) {
  313. // Pull request is allowed if this is a fork repository
  314. // and base repository accepts pull requests.
  315. if repo.BaseRepo != nil && repo.BaseRepo.AllowsPulls() {
  316. ctx.Data["BaseRepo"] = repo.BaseRepo
  317. ctx.Repo.PullRequest.BaseRepo = repo.BaseRepo
  318. ctx.Repo.PullRequest.Allowed = true
  319. ctx.Repo.PullRequest.HeadInfo = ctx.Repo.Owner.Name + ":" + ctx.Repo.BranchName
  320. } else {
  321. // Or, this is repository accepts pull requests between branches.
  322. if repo.AllowsPulls() {
  323. ctx.Data["BaseRepo"] = repo
  324. ctx.Repo.PullRequest.BaseRepo = repo
  325. ctx.Repo.PullRequest.Allowed = true
  326. ctx.Repo.PullRequest.SameRepo = true
  327. ctx.Repo.PullRequest.HeadInfo = ctx.Repo.BranchName
  328. }
  329. }
  330. // Reset repo units as otherwise user specific units wont be loaded later
  331. ctx.Repo.Repository.Units = nil
  332. }
  333. ctx.Data["PullRequestCtx"] = ctx.Repo.PullRequest
  334. if ctx.Query("go-get") == "1" {
  335. ctx.Data["GoGetImport"] = composeGoGetImport(owner.Name, repo.Name)
  336. prefix := setting.AppURL + path.Join(owner.Name, repo.Name, "src", ctx.Repo.BranchName)
  337. ctx.Data["GoDocDirectory"] = prefix + "{/dir}"
  338. ctx.Data["GoDocFile"] = prefix + "{/dir}/{file}#L{line}"
  339. }
  340. }
  341. }
  342. // RepoRef handles repository reference name including those contain `/`.
  343. func RepoRef() macaron.Handler {
  344. return func(ctx *Context) {
  345. // Empty repository does not have reference information.
  346. if ctx.Repo.Repository.IsBare {
  347. return
  348. }
  349. var (
  350. refName string
  351. err error
  352. )
  353. // For API calls.
  354. if ctx.Repo.GitRepo == nil {
  355. repoPath := models.RepoPath(ctx.Repo.Owner.Name, ctx.Repo.Repository.Name)
  356. ctx.Repo.GitRepo, err = git.OpenRepository(repoPath)
  357. if err != nil {
  358. ctx.Handle(500, "RepoRef Invalid repo "+repoPath, err)
  359. return
  360. }
  361. }
  362. // Get default branch.
  363. if len(ctx.Params("*")) == 0 {
  364. refName = ctx.Repo.Repository.DefaultBranch
  365. if !ctx.Repo.GitRepo.IsBranchExist(refName) {
  366. brs, err := ctx.Repo.GitRepo.GetBranches()
  367. if err != nil {
  368. ctx.Handle(500, "GetBranches", err)
  369. return
  370. } else if len(brs) == 0 {
  371. err = fmt.Errorf("No branches in non-bare repository %s",
  372. ctx.Repo.GitRepo.Path)
  373. ctx.Handle(500, "GetBranches", err)
  374. return
  375. }
  376. refName = brs[0]
  377. }
  378. ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName)
  379. if err != nil {
  380. ctx.Handle(500, "GetBranchCommit", err)
  381. return
  382. }
  383. ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
  384. ctx.Repo.IsViewBranch = true
  385. } else {
  386. hasMatched := false
  387. parts := strings.Split(ctx.Params("*"), "/")
  388. for i, part := range parts {
  389. refName = strings.TrimPrefix(refName+"/"+part, "/")
  390. if ctx.Repo.GitRepo.IsBranchExist(refName) ||
  391. ctx.Repo.GitRepo.IsTagExist(refName) {
  392. if i < len(parts)-1 {
  393. ctx.Repo.TreePath = strings.Join(parts[i+1:], "/")
  394. }
  395. hasMatched = true
  396. break
  397. }
  398. }
  399. if !hasMatched && len(parts[0]) == 40 {
  400. refName = parts[0]
  401. ctx.Repo.TreePath = strings.Join(parts[1:], "/")
  402. }
  403. if ctx.Repo.GitRepo.IsBranchExist(refName) {
  404. ctx.Repo.IsViewBranch = true
  405. ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetBranchCommit(refName)
  406. if err != nil {
  407. ctx.Handle(500, "GetBranchCommit", err)
  408. return
  409. }
  410. ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
  411. } else if ctx.Repo.GitRepo.IsTagExist(refName) {
  412. ctx.Repo.IsViewTag = true
  413. ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetTagCommit(refName)
  414. if err != nil {
  415. ctx.Handle(500, "GetTagCommit", err)
  416. return
  417. }
  418. ctx.Repo.CommitID = ctx.Repo.Commit.ID.String()
  419. } else if len(refName) == 40 {
  420. ctx.Repo.IsViewCommit = true
  421. ctx.Repo.CommitID = refName
  422. ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetCommit(refName)
  423. if err != nil {
  424. ctx.Handle(404, "GetCommit", nil)
  425. return
  426. }
  427. } else {
  428. ctx.Handle(404, "RepoRef invalid repo", fmt.Errorf("branch or tag not exist: %s", refName))
  429. return
  430. }
  431. }
  432. ctx.Repo.BranchName = refName
  433. ctx.Data["BranchName"] = ctx.Repo.BranchName
  434. ctx.Data["CommitID"] = ctx.Repo.CommitID
  435. ctx.Data["TreePath"] = ctx.Repo.TreePath
  436. ctx.Data["IsViewBranch"] = ctx.Repo.IsViewBranch
  437. ctx.Data["IsViewTag"] = ctx.Repo.IsViewTag
  438. ctx.Data["IsViewCommit"] = ctx.Repo.IsViewCommit
  439. ctx.Repo.CommitsCount, err = ctx.Repo.Commit.CommitsCount()
  440. if err != nil {
  441. ctx.Handle(500, "CommitsCount", err)
  442. return
  443. }
  444. ctx.Data["CommitsCount"] = ctx.Repo.CommitsCount
  445. }
  446. }
  447. // RequireRepoAdmin returns a macaron middleware for requiring repository admin permission
  448. func RequireRepoAdmin() macaron.Handler {
  449. return func(ctx *Context) {
  450. if !ctx.IsSigned || (!ctx.Repo.IsAdmin() && !ctx.User.IsAdmin) {
  451. ctx.Handle(404, ctx.Req.RequestURI, nil)
  452. return
  453. }
  454. }
  455. }
  456. // RequireRepoWriter returns a macaron middleware for requiring repository write permission
  457. func RequireRepoWriter() macaron.Handler {
  458. return func(ctx *Context) {
  459. if !ctx.IsSigned || (!ctx.Repo.IsWriter() && !ctx.User.IsAdmin) {
  460. ctx.Handle(404, ctx.Req.RequestURI, nil)
  461. return
  462. }
  463. }
  464. }
  465. // LoadRepoUnits loads repsitory's units, it should be called after repository and user loaded
  466. func LoadRepoUnits() macaron.Handler {
  467. return func(ctx *Context) {
  468. var isAdmin bool
  469. if ctx.User != nil && ctx.User.IsAdmin {
  470. isAdmin = true
  471. }
  472. var userID int64
  473. if ctx.User != nil {
  474. userID = ctx.User.ID
  475. }
  476. err := ctx.Repo.Repository.LoadUnitsByUserID(userID, isAdmin)
  477. if err != nil {
  478. ctx.Handle(500, "LoadUnitsByUserID", err)
  479. return
  480. }
  481. }
  482. }
  483. // CheckUnit will check whether
  484. func CheckUnit(unitType models.UnitType) macaron.Handler {
  485. return func(ctx *Context) {
  486. if !ctx.Repo.Repository.UnitEnabled(unitType) {
  487. ctx.Handle(404, "CheckUnit", fmt.Errorf("%s: %v", ctx.Tr("units.error.unit_not_allowed"), unitType))
  488. }
  489. }
  490. }
  491. // GitHookService checks if repository Git hooks service has been enabled.
  492. func GitHookService() macaron.Handler {
  493. return func(ctx *Context) {
  494. if !ctx.User.CanEditGitHook() {
  495. ctx.Handle(404, "GitHookService", nil)
  496. return
  497. }
  498. }
  499. }
  500. // UnitTypes returns a macaron middleware to set unit types to context variables.
  501. func UnitTypes() macaron.Handler {
  502. return func(ctx *Context) {
  503. ctx.Data["UnitTypeCode"] = models.UnitTypeCode
  504. ctx.Data["UnitTypeIssues"] = models.UnitTypeIssues
  505. ctx.Data["UnitTypePullRequests"] = models.UnitTypePullRequests
  506. ctx.Data["UnitTypeReleases"] = models.UnitTypeReleases
  507. ctx.Data["UnitTypeWiki"] = models.UnitTypeWiki
  508. ctx.Data["UnitTypeExternalWiki"] = models.UnitTypeExternalWiki
  509. ctx.Data["UnitTypeExternalTracker"] = models.UnitTypeExternalTracker
  510. }
  511. }