245 lines
6.5 KiB
Go
245 lines
6.5 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package middleware
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import (
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"fmt"
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"html/template"
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"io"
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"net/http"
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"strings"
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"time"
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"github.com/Unknwon/macaron"
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"github.com/macaron-contrib/cache"
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"github.com/macaron-contrib/csrf"
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"github.com/macaron-contrib/i18n"
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"github.com/macaron-contrib/session"
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"github.com/gogits/gogs/models"
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"github.com/gogits/gogs/modules/auth"
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"github.com/gogits/gogs/modules/base"
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"github.com/gogits/gogs/modules/git"
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"github.com/gogits/gogs/modules/log"
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"github.com/gogits/gogs/modules/setting"
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)
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// Context represents context of a request.
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type Context struct {
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*macaron.Context
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Cache cache.Cache
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csrf csrf.CSRF
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Flash *session.Flash
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Session session.Store
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User *models.User
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IsSigned bool
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IsBasicAuth bool
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Repo RepoContext
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Org struct {
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IsOwner bool
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IsMember bool
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IsAdminTeam bool // In owner team or team that has admin permission level.
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Organization *models.User
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OrgLink string
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Team *models.Team
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}
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}
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type RepoContext struct {
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AccessMode models.AccessMode
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IsWatching bool
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IsBranch bool
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IsTag bool
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IsCommit bool
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Repository *models.Repository
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Owner *models.User
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Commit *git.Commit
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Tag *git.Tag
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GitRepo *git.Repository
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BranchName string
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TagName string
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TreeName string
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CommitId string
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RepoLink string
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CloneLink models.CloneLink
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CommitsCount int
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Mirror *models.Mirror
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}
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// IsOwner returns true if current user is the owner of repository.
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func (r RepoContext) IsOwner() bool {
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return r.AccessMode >= models.ACCESS_MODE_OWNER
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}
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// IsAdmin returns true if current user has admin or higher access of repository.
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func (r RepoContext) IsAdmin() bool {
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return r.AccessMode >= models.ACCESS_MODE_ADMIN
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}
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// Return if the current user has read access for this repository
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func (r RepoContext) HasAccess() bool {
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return r.AccessMode >= models.ACCESS_MODE_READ
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}
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// HasError returns true if error occurs in form validation.
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func (ctx *Context) HasApiError() bool {
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hasErr, ok := ctx.Data["HasError"]
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if !ok {
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return false
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}
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return hasErr.(bool)
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}
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func (ctx *Context) GetErrMsg() string {
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return ctx.Data["ErrorMsg"].(string)
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}
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// HasError returns true if error occurs in form validation.
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func (ctx *Context) HasError() bool {
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hasErr, ok := ctx.Data["HasError"]
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if !ok {
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return false
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}
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ctx.Flash.ErrorMsg = ctx.Data["ErrorMsg"].(string)
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ctx.Data["Flash"] = ctx.Flash
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return hasErr.(bool)
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}
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// HasValue returns true if value of given name exists.
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func (ctx *Context) HasValue(name string) bool {
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_, ok := ctx.Data[name]
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return ok
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}
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// HTML calls Context.HTML and converts template name to string.
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func (ctx *Context) HTML(status int, name base.TplName) {
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ctx.Context.HTML(status, string(name))
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}
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// RenderWithErr used for page has form validation but need to prompt error to users.
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func (ctx *Context) RenderWithErr(msg string, tpl base.TplName, form interface{}) {
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if form != nil {
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auth.AssignForm(form, ctx.Data)
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}
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ctx.Flash.ErrorMsg = msg
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ctx.Data["Flash"] = ctx.Flash
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ctx.HTML(200, tpl)
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}
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// Handle handles and logs error by given status.
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func (ctx *Context) Handle(status int, title string, err error) {
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if err != nil {
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log.Error(4, "%s: %v", title, err)
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if macaron.Env != macaron.PROD {
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ctx.Data["ErrorMsg"] = err
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}
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}
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switch status {
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case 404:
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ctx.Data["Title"] = "Page Not Found"
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case 500:
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ctx.Data["Title"] = "Internal Server Error"
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}
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ctx.HTML(status, base.TplName(fmt.Sprintf("status/%d", status)))
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}
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func (ctx *Context) HandleText(status int, title string) {
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if (status/100 == 4) || (status/100 == 5) {
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log.Error(4, "%s", title)
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}
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ctx.RenderData(status, []byte(title))
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}
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func (ctx *Context) HandleAPI(status int, obj interface{}) {
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var message string
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if err, ok := obj.(error); ok {
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message = err.Error()
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} else {
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message = obj.(string)
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}
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ctx.JSON(status, map[string]string{
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"message": message,
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})
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}
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func (ctx *Context) ServeContent(name string, r io.ReadSeeker, params ...interface{}) {
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modtime := time.Now()
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for _, p := range params {
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switch v := p.(type) {
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case time.Time:
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modtime = v
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}
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}
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ctx.Resp.Header().Set("Content-Description", "File Transfer")
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ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
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ctx.Resp.Header().Set("Content-Disposition", "attachment; filename="+name)
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ctx.Resp.Header().Set("Content-Transfer-Encoding", "binary")
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ctx.Resp.Header().Set("Expires", "0")
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ctx.Resp.Header().Set("Cache-Control", "must-revalidate")
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ctx.Resp.Header().Set("Pragma", "public")
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http.ServeContent(ctx.Resp, ctx.Req.Request, name, modtime, r)
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}
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// Contexter initializes a classic context for a request.
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func Contexter() macaron.Handler {
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return func(c *macaron.Context, l i18n.Locale, cache cache.Cache, sess session.Store, f *session.Flash, x csrf.CSRF) {
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ctx := &Context{
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Context: c,
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Cache: cache,
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csrf: x,
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Flash: f,
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Session: sess,
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}
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// Compute current URL for real-time change language.
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ctx.Data["Link"] = setting.AppSubUrl + ctx.Req.URL.Path
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ctx.Data["PageStartTime"] = time.Now()
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// Check auto-signin.
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if sess.Get("uid") == nil {
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if _, err := AutoSignIn(ctx); err != nil {
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ctx.Handle(500, "AutoSignIn", err)
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return
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}
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}
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// Get user from session if logined.
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ctx.User, ctx.IsBasicAuth = auth.SignedInUser(ctx.Req.Request, ctx.Session)
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if ctx.User != nil {
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ctx.IsSigned = true
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ctx.Data["IsSigned"] = ctx.IsSigned
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ctx.Data["SignedUser"] = ctx.User
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ctx.Data["SignedUserID"] = ctx.User.Id
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ctx.Data["SignedUserName"] = ctx.User.Name
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ctx.Data["IsAdmin"] = ctx.User.IsAdmin
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} else {
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ctx.Data["SignedUserID"] = 0
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ctx.Data["SignedUserName"] = ""
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}
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// If request sends files, parse them here otherwise the Query() can't be parsed and the CsrfToken will be invalid.
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if ctx.Req.Method == "POST" && strings.Contains(ctx.Req.Header.Get("Content-Type"), "multipart/form-data") {
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if err := ctx.Req.ParseMultipartForm(setting.AttachmentMaxSize << 20); err != nil && !strings.Contains(err.Error(), "EOF") { // 32MB max size
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ctx.Handle(500, "ParseMultipartForm", err)
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return
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}
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}
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ctx.Data["CsrfToken"] = x.GetToken()
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ctx.Data["CsrfTokenHtml"] = template.HTML(`<input type="hidden" name="_csrf" value="` + x.GetToken() + `">`)
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ctx.Data["ShowRegistrationButton"] = setting.Service.ShowRegistrationButton
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ctx.Data["ShowFooterBranding"] = setting.ShowFooterBranding
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c.Map(ctx)
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}
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}
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