mirror of
https://github.com/go-gitea/gitea
synced 2024-08-20 06:11:16 +02:00
* Inline manifest.json Improve performance by eliminating this separate request and just inline this small JSON in HTML directly as a data uri. Also update previously static app name scripts to use AppName. I've confirmed this as working via "Add to Homescreen" feature which offered to save the shortcut under the new app name. * prerender manifest data on startup * move to settings * restore setting.AppStartTime and use it on admin page * use double quotes because template.URL escapes everything * fix lint * move variable to global context variable * delete template file Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com> Co-authored-by: zeripath <art27@cantab.net>
353 lines
11 KiB
Go
353 lines
11 KiB
Go
// Copyright 2014 The Gogs Authors. All rights reserved.
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// Copyright 2020 The Gitea 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 context
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import (
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"html"
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"html/template"
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"io"
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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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"time"
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"code.gitea.io/gitea/models"
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"code.gitea.io/gitea/modules/auth"
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"code.gitea.io/gitea/modules/base"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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"gitea.com/macaron/cache"
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"gitea.com/macaron/csrf"
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"gitea.com/macaron/i18n"
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"gitea.com/macaron/macaron"
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"gitea.com/macaron/session"
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"github.com/unknwon/com"
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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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Link string // current request URL
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EscapedLink string
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User *models.User
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IsSigned bool
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IsBasicAuth bool
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Repo *Repository
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Org *Organization
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}
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// IsUserSiteAdmin returns true if current user is a site admin
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func (ctx *Context) IsUserSiteAdmin() bool {
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return ctx.IsSigned && ctx.User.IsAdmin
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}
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// IsUserRepoOwner returns true if current user owns current repo
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func (ctx *Context) IsUserRepoOwner() bool {
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return ctx.Repo.IsOwner()
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}
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// IsUserRepoAdmin returns true if current user is admin in current repo
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func (ctx *Context) IsUserRepoAdmin() bool {
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return ctx.Repo.IsAdmin()
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}
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// IsUserRepoWriter returns true if current user has write privilege in current repo
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func (ctx *Context) IsUserRepoWriter(unitTypes []models.UnitType) bool {
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for _, unitType := range unitTypes {
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if ctx.Repo.CanWrite(unitType) {
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return true
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}
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}
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return false
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}
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// IsUserRepoReaderSpecific returns true if current user can read current repo's specific part
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func (ctx *Context) IsUserRepoReaderSpecific(unitType models.UnitType) bool {
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return ctx.Repo.CanRead(unitType)
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}
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// IsUserRepoReaderAny returns true if current user can read any part of current repo
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func (ctx *Context) IsUserRepoReaderAny() bool {
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return ctx.Repo.HasAccess()
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}
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// HasAPIError 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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// GetErrMsg returns error message
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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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// RedirectToFirst redirects to first not empty URL
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func (ctx *Context) RedirectToFirst(location ...string) {
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for _, loc := range location {
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if len(loc) == 0 {
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continue
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}
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u, err := url.Parse(loc)
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if err != nil || ((u.Scheme != "" || u.Host != "") && !strings.HasPrefix(strings.ToLower(loc), strings.ToLower(setting.AppURL))) {
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continue
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}
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ctx.Redirect(loc)
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return
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}
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ctx.Redirect(setting.AppSubURL + "/")
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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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log.Debug("Template: %s", name)
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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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// NotFound displays a 404 (Not Found) page and prints the given error, if any.
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func (ctx *Context) NotFound(title string, err error) {
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ctx.notFoundInternal(title, err)
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}
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func (ctx *Context) notFoundInternal(title string, err error) {
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if err != nil {
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log.ErrorWithSkip(2, "%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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ctx.Data["IsRepo"] = ctx.Repo.Repository != nil
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ctx.Data["Title"] = "Page Not Found"
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ctx.HTML(http.StatusNotFound, base.TplName("status/404"))
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}
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// ServerError displays a 500 (Internal Server Error) page and prints the given
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// error, if any.
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func (ctx *Context) ServerError(title string, err error) {
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ctx.serverErrorInternal(title, err)
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}
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func (ctx *Context) serverErrorInternal(title string, err error) {
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if err != nil {
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log.ErrorWithSkip(2, "%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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ctx.Data["Title"] = "Internal Server Error"
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ctx.HTML(http.StatusInternalServerError, base.TplName("status/500"))
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}
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// NotFoundOrServerError use error check function to determine if the error
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// is about not found. It responses with 404 status code for not found error,
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// or error context description for logging purpose of 500 server error.
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func (ctx *Context) NotFoundOrServerError(title string, errck func(error) bool, err error) {
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if errck(err) {
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ctx.notFoundInternal(title, err)
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return
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}
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ctx.serverErrorInternal(title, err)
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}
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// HandleText handles HTTP status code
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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("%s", title)
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}
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ctx.PlainText(status, []byte(title))
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}
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// ServeContent serves content to http request
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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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ctx.Resp.Header().Set("Access-Control-Expose-Headers", "Content-Disposition")
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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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Link: setting.AppSubURL + strings.TrimSuffix(c.Req.URL.EscapedPath(), "/"),
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Repo: &Repository{
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PullRequest: &PullRequest{},
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},
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Org: &Organization{},
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}
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ctx.Data["Language"] = ctx.Locale.Language()
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c.Data["Link"] = ctx.Link
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ctx.Data["CurrentURL"] = setting.AppSubURL + c.Req.URL.RequestURI()
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ctx.Data["PageStartTime"] = time.Now()
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// Quick responses appropriate go-get meta with status 200
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// regardless of if user have access to the repository,
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// or the repository does not exist at all.
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// This is particular a workaround for "go get" command which does not respect
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// .netrc file.
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if ctx.Query("go-get") == "1" {
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ownerName := c.Params(":username")
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repoName := c.Params(":reponame")
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trimmedRepoName := strings.TrimSuffix(repoName, ".git")
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if ownerName == "" || trimmedRepoName == "" {
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_, _ = c.Write([]byte(`<!doctype html>
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<html>
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<body>
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invalid import path
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</body>
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</html>
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`))
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c.WriteHeader(400)
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return
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}
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branchName := "master"
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repo, err := models.GetRepositoryByOwnerAndName(ownerName, repoName)
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if err == nil && len(repo.DefaultBranch) > 0 {
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branchName = repo.DefaultBranch
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}
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prefix := setting.AppURL + path.Join(url.PathEscape(ownerName), url.PathEscape(repoName), "src", "branch", util.PathEscapeSegments(branchName))
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appURL, _ := url.Parse(setting.AppURL)
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insecure := ""
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if appURL.Scheme == string(setting.HTTP) {
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insecure = "--insecure "
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}
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c.Header().Set("Content-Type", "text/html")
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c.WriteHeader(http.StatusOK)
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_, _ = c.Write([]byte(com.Expand(`<!doctype html>
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<html>
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<head>
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<meta name="go-import" content="{GoGetImport} git {CloneLink}">
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<meta name="go-source" content="{GoGetImport} _ {GoDocDirectory} {GoDocFile}">
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</head>
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<body>
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go get {Insecure}{GoGetImport}
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</body>
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</html>
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`, map[string]string{
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"GoGetImport": ComposeGoGetImport(ownerName, trimmedRepoName),
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"CloneLink": models.ComposeHTTPSCloneURL(ownerName, repoName),
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"GoDocDirectory": prefix + "{/dir}",
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"GoDocFile": prefix + "{/dir}/{file}#L{line}",
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"Insecure": insecure,
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})))
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return
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}
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// Get user from session if logged in.
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ctx.User, ctx.IsBasicAuth = auth.SignedInUser(ctx.Context, 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"] = int64(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.Attachment.MaxSize << 20); err != nil && !strings.Contains(err.Error(), "EOF") { // 32MB max size
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ctx.ServerError("ParseMultipartForm", err)
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return
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}
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}
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ctx.Resp.Header().Set(`X-Frame-Options`, `SAMEORIGIN`)
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ctx.Data["CsrfToken"] = html.EscapeString(x.GetToken())
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ctx.Data["CsrfTokenHtml"] = template.HTML(`<input type="hidden" name="_csrf" value="` + ctx.Data["CsrfToken"].(string) + `">`)
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log.Debug("Session ID: %s", sess.ID())
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log.Debug("CSRF Token: %v", ctx.Data["CsrfToken"])
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ctx.Data["IsLandingPageHome"] = setting.LandingPageURL == setting.LandingPageHome
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ctx.Data["IsLandingPageExplore"] = setting.LandingPageURL == setting.LandingPageExplore
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ctx.Data["IsLandingPageOrganizations"] = setting.LandingPageURL == setting.LandingPageOrganizations
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ctx.Data["ShowRegistrationButton"] = setting.Service.ShowRegistrationButton
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ctx.Data["ShowMilestonesDashboardPage"] = setting.Service.ShowMilestonesDashboardPage
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ctx.Data["ShowFooterBranding"] = setting.ShowFooterBranding
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ctx.Data["ShowFooterVersion"] = setting.ShowFooterVersion
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ctx.Data["EnableSwagger"] = setting.API.EnableSwagger
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ctx.Data["EnableOpenIDSignIn"] = setting.Service.EnableOpenIDSignIn
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ctx.Data["DisableMigrations"] = setting.Repository.DisableMigrations
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ctx.Data["ManifestData"] = setting.ManifestData
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c.Map(ctx)
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}
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}
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