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	Backport #15372 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
		@@ -8,7 +8,6 @@ package context
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import (
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	"fmt"
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	"io/ioutil"
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	"net/http"
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	"net/url"
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	"path"
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	"strings"
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@@ -394,13 +393,10 @@ func RepoIDAssignment() func(ctx *Context) {
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}
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// RepoAssignment returns a middleware to handle repository assignment
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func RepoAssignment() func(http.Handler) http.Handler {
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	return func(next http.Handler) http.Handler {
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		return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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func RepoAssignment(ctx *Context) {
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	var (
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		owner *models.User
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		err   error
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				ctx   = GetContext(req)
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	)
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	userName := ctx.Params(":username")
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@@ -543,7 +539,6 @@ func RepoAssignment() func(http.Handler) http.Handler {
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	// Stop at this point when the repo is empty.
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	if ctx.Repo.Repository.IsEmpty {
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		ctx.Data["BranchName"] = ctx.Repo.Repository.DefaultBranch
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				next.ServeHTTP(w, req)
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		return
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	}
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@@ -624,9 +619,6 @@ func RepoAssignment() func(http.Handler) http.Handler {
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		ctx.Data["GoDocDirectory"] = prefix + "{/dir}"
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		ctx.Data["GoDocFile"] = prefix + "{/dir}/{file}#L{line}"
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	}
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			next.ServeHTTP(w, req)
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		})
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	}
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}
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// RepoRefType type of repo reference
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@@ -651,7 +643,7 @@ const (
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// RepoRef handles repository reference names when the ref name is not
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// explicitly given
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func RepoRef() func(http.Handler) http.Handler {
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func RepoRef() func(*Context) {
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	// since no ref name is explicitly specified, ok to just use branch
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	return RepoRefByType(RepoRefBranch)
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}
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@@ -730,10 +722,8 @@ func getRefName(ctx *Context, pathType RepoRefType) string {
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// RepoRefByType handles repository reference name for a specific type
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// of repository reference
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func RepoRefByType(refType RepoRefType) func(http.Handler) http.Handler {
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	return func(next http.Handler) http.Handler {
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		return http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
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			ctx := GetContext(req)
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func RepoRefByType(refType RepoRefType) func(*Context) {
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	return func(ctx *Context) {
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		// Empty repository does not have reference information.
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		if ctx.Repo.Repository.IsEmpty {
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			return
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@@ -851,9 +841,6 @@ func RepoRefByType(refType RepoRefType) func(http.Handler) http.Handler {
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			return
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		}
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		ctx.Data["CommitsCount"] = ctx.Repo.CommitsCount
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			next.ServeHTTP(w, req)
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		})
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	}
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}
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@@ -691,7 +691,7 @@ func RegisterRoutes(m *web.Route) {
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	}, reqSignIn)
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	// ***** Release Attachment Download without Signin
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	m.Get("/{username}/{reponame}/releases/download/{vTag}/{fileName}", ignSignIn, context.RepoAssignment(), repo.MustBeNotEmpty, repo.RedirectDownload)
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	m.Get("/{username}/{reponame}/releases/download/{vTag}/{fileName}", ignSignIn, context.RepoAssignment, repo.MustBeNotEmpty, repo.RedirectDownload)
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	m.Group("/{username}/{reponame}", func() {
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		m.Group("/settings", func() {
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@@ -771,9 +771,9 @@ func RegisterRoutes(m *web.Route) {
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			ctx.Data["PageIsSettings"] = true
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			ctx.Data["LFSStartServer"] = setting.LFS.StartServer
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		})
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	}, reqSignIn, context.RepoAssignment(), context.UnitTypes(), reqRepoAdmin, context.RepoRef())
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	}, reqSignIn, context.RepoAssignment, context.UnitTypes(), reqRepoAdmin, context.RepoRef())
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	m.Post("/{username}/{reponame}/action/{action}", reqSignIn, context.RepoAssignment(), context.UnitTypes(), repo.Action)
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	m.Post("/{username}/{reponame}/action/{action}", reqSignIn, context.RepoAssignment, context.UnitTypes(), repo.Action)
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	// Grouping for those endpoints not requiring authentication
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	m.Group("/{username}/{reponame}", func() {
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@@ -783,7 +783,7 @@ func RegisterRoutes(m *web.Route) {
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		m.Combo("/compare/*", repo.MustBeNotEmpty, reqRepoCodeReader, repo.SetEditorconfigIfExists).
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			Get(ignSignIn, repo.SetDiffViewStyle, repo.SetWhitespaceBehavior, repo.CompareDiff).
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			Post(reqSignIn, context.RepoMustNotBeArchived(), reqRepoPullsReader, repo.MustAllowPulls, bindIgnErr(auth.CreateIssueForm{}), repo.SetWhitespaceBehavior, repo.CompareAndPullRequestPost)
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	}, context.RepoAssignment(), context.UnitTypes())
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	}, context.RepoAssignment, context.UnitTypes())
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	// Grouping for those endpoints that do require authentication
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	m.Group("/{username}/{reponame}", func() {
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@@ -890,7 +890,7 @@ func RegisterRoutes(m *web.Route) {
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			m.Post("/restore", repo.RestoreBranchPost)
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		}, context.RepoMustNotBeArchived(), reqRepoCodeWriter, repo.MustBeNotEmpty)
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	}, reqSignIn, context.RepoAssignment(), context.UnitTypes())
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	}, reqSignIn, context.RepoAssignment, context.UnitTypes())
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	// Releases
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	m.Group("/{username}/{reponame}", func() {
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@@ -928,11 +928,11 @@ func RegisterRoutes(m *web.Route) {
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			}
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			ctx.Data["CommitsCount"] = ctx.Repo.CommitsCount
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		})
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	}, ignSignIn, context.RepoAssignment(), context.UnitTypes(), reqRepoReleaseReader)
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	}, ignSignIn, context.RepoAssignment, context.UnitTypes(), reqRepoReleaseReader)
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	m.Group("/{username}/{reponame}", func() {
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		m.Post("/topics", repo.TopicsPost)
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	}, context.RepoAssignment(), context.RepoMustNotBeArchived(), reqRepoAdmin)
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	}, context.RepoAssignment, context.RepoMustNotBeArchived(), reqRepoAdmin)
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	m.Group("/{username}/{reponame}", func() {
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		m.Group("", func() {
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@@ -1080,17 +1080,17 @@ func RegisterRoutes(m *web.Route) {
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		}, context.RepoRef(), reqRepoCodeReader)
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		m.Get("/commit/{sha:([a-f0-9]{7,40})}.{ext:patch|diff}",
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			repo.MustBeNotEmpty, reqRepoCodeReader, repo.RawDiff)
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	}, ignSignIn, context.RepoAssignment(), context.UnitTypes())
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	}, ignSignIn, context.RepoAssignment, context.UnitTypes())
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	m.Group("/{username}/{reponame}", func() {
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		m.Get("/stars", repo.Stars)
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		m.Get("/watchers", repo.Watchers)
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		m.Get("/search", reqRepoCodeReader, repo.Search)
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	}, ignSignIn, context.RepoAssignment(), context.RepoRef(), context.UnitTypes())
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	}, ignSignIn, context.RepoAssignment, context.RepoRef(), context.UnitTypes())
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	m.Group("/{username}", func() {
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		m.Group("/{reponame}", func() {
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			m.Get("", repo.SetEditorconfigIfExists, repo.Home)
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		}, goGet, ignSignIn, context.RepoAssignment(), context.RepoRef(), context.UnitTypes())
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		}, goGet, ignSignIn, context.RepoAssignment, context.RepoRef(), context.UnitTypes())
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		m.Group("/{reponame}", func() {
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			m.Group("/info/lfs", func() {
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