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

repo.go 15KB

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