A fork of Gitea (see branch `mj`) adding Majority Judgment Polls 𐄷 over Issues and Merge Requests. https://git.mieuxvoter.fr
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// Copyright 2014 The Gogs Authors. All rights reserved.
// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package context
import (
"html"
"html/template"
"io"
"net/http"
"net/url"
"path"
"strings"
"time"
"code.gitea.io/gitea/models"
"code.gitea.io/gitea/modules/auth"
"code.gitea.io/gitea/modules/auth/sso"
"code.gitea.io/gitea/modules/base"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
"code.gitea.io/gitea/modules/util"
"gitea.com/macaron/cache"
"gitea.com/macaron/csrf"
"gitea.com/macaron/i18n"
"gitea.com/macaron/macaron"
"gitea.com/macaron/session"
"github.com/unknwon/com"
)
// Context represents context of a request.
type Context struct {
*macaron.Context
Cache cache.Cache
csrf csrf.CSRF
Flash *session.Flash
Session session.Store
Link string // current request URL
EscapedLink string
User *models.User
IsSigned bool
IsBasicAuth bool
Repo *Repository
Org *Organization
}
// GetData returns the data
func (ctx *Context) GetData() map[string]interface{} {
return ctx.Data
}
// IsUserSiteAdmin returns true if current user is a site admin
func (ctx *Context) IsUserSiteAdmin() bool {
return ctx.IsSigned && ctx.User.IsAdmin
}
// IsUserRepoOwner returns true if current user owns current repo
func (ctx *Context) IsUserRepoOwner() bool {
return ctx.Repo.IsOwner()
}
// IsUserRepoAdmin returns true if current user is admin in current repo
func (ctx *Context) IsUserRepoAdmin() bool {
return ctx.Repo.IsAdmin()
}
// IsUserRepoWriter returns true if current user has write privilege in current repo
func (ctx *Context) IsUserRepoWriter(unitTypes []models.UnitType) bool {
for _, unitType := range unitTypes {
if ctx.Repo.CanWrite(unitType) {
return true
}
}
return false
}
// IsUserRepoReaderSpecific returns true if current user can read current repo's specific part
func (ctx *Context) IsUserRepoReaderSpecific(unitType models.UnitType) bool {
return ctx.Repo.CanRead(unitType)
}
// IsUserRepoReaderAny returns true if current user can read any part of current repo
func (ctx *Context) IsUserRepoReaderAny() bool {
return ctx.Repo.HasAccess()
}
// RedirectToUser redirect to a differently-named user
func RedirectToUser(ctx *Context, userName string, redirectUserID int64) {
user, err := models.GetUserByID(redirectUserID)
if err != nil {
ctx.ServerError("GetUserByID", err)
return
}
redirectPath := strings.Replace(
ctx.Req.URL.Path,
userName,
user.Name,
1,
)
if ctx.Req.URL.RawQuery != "" {
redirectPath += "?" + ctx.Req.URL.RawQuery
}
ctx.Redirect(path.Join(setting.AppSubURL, redirectPath))
}
// HasAPIError returns true if error occurs in form validation.
func (ctx *Context) HasAPIError() bool {
hasErr, ok := ctx.Data["HasError"]
if !ok {
return false
}
return hasErr.(bool)
}
// GetErrMsg returns error message
func (ctx *Context) GetErrMsg() string {
return ctx.Data["ErrorMsg"].(string)
}
// HasError returns true if error occurs in form validation.
func (ctx *Context) HasError() bool {
hasErr, ok := ctx.Data["HasError"]
if !ok {
return false
}
ctx.Flash.ErrorMsg = ctx.Data["ErrorMsg"].(string)
ctx.Data["Flash"] = ctx.Flash
return hasErr.(bool)
}
// HasValue returns true if value of given name exists.
func (ctx *Context) HasValue(name string) bool {
_, ok := ctx.Data[name]
return ok
}
// RedirectToFirst redirects to first not empty URL
func (ctx *Context) RedirectToFirst(location ...string) {
for _, loc := range location {
if len(loc) == 0 {
continue
}
u, err := url.Parse(loc)
if err != nil || ((u.Scheme != "" || u.Host != "") && !strings.HasPrefix(strings.ToLower(loc), strings.ToLower(setting.AppURL))) {
continue
}
ctx.Redirect(loc)
return
}
ctx.Redirect(setting.AppSubURL + "/")
}
// HTML calls Context.HTML and converts template name to string.
func (ctx *Context) HTML(status int, name base.TplName) {
log.Debug("Template: %s", name)
ctx.Context.HTML(status, string(name))
}
// RenderWithErr used for page has form validation but need to prompt error to users.
func (ctx *Context) RenderWithErr(msg string, tpl base.TplName, form interface{}) {
if form != nil {
auth.AssignForm(form, ctx.Data)
}
ctx.Flash.ErrorMsg = msg
ctx.Data["Flash"] = ctx.Flash
ctx.HTML(200, tpl)
}
// NotFound displays a 404 (Not Found) page and prints the given error, if any.
func (ctx *Context) NotFound(title string, err error) {
ctx.notFoundInternal(title, err)
}
func (ctx *Context) notFoundInternal(title string, err error) {
if err != nil {
log.ErrorWithSkip(2, "%s: %v", title, err)
if macaron.Env != macaron.PROD {
ctx.Data["ErrorMsg"] = err
}
}
ctx.Data["IsRepo"] = ctx.Repo.Repository != nil
ctx.Data["Title"] = "Page Not Found"
ctx.HTML(http.StatusNotFound, base.TplName("status/404"))
}
// ServerError displays a 500 (Internal Server Error) page and prints the given
// error, if any.
func (ctx *Context) ServerError(title string, err error) {
ctx.serverErrorInternal(title, err)
}
func (ctx *Context) serverErrorInternal(title string, err error) {
if err != nil {
log.ErrorWithSkip(2, "%s: %v", title, err)
if macaron.Env != macaron.PROD {
ctx.Data["ErrorMsg"] = err
}
}
ctx.Data["Title"] = "Internal Server Error"
ctx.HTML(http.StatusInternalServerError, base.TplName("status/500"))
}
// NotFoundOrServerError use error check function to determine if the error
// is about not found. It responses with 404 status code for not found error,
// or error context description for logging purpose of 500 server error.
func (ctx *Context) NotFoundOrServerError(title string, errck func(error) bool, err error) {
if errck(err) {
ctx.notFoundInternal(title, err)
return
}
ctx.serverErrorInternal(title, err)
}
// HandleText handles HTTP status code
func (ctx *Context) HandleText(status int, title string) {
if (status/100 == 4) || (status/100 == 5) {
log.Error("%s", title)
}
ctx.PlainText(status, []byte(title))
}
// ServeContent serves content to http request
func (ctx *Context) ServeContent(name string, r io.ReadSeeker, params ...interface{}) {
modtime := time.Now()
for _, p := range params {
switch v := p.(type) {
case time.Time:
modtime = v
}
}
ctx.Resp.Header().Set("Content-Description", "File Transfer")
ctx.Resp.Header().Set("Content-Type", "application/octet-stream")
ctx.Resp.Header().Set("Content-Disposition", "attachment; filename="+name)
ctx.Resp.Header().Set("Content-Transfer-Encoding", "binary")
ctx.Resp.Header().Set("Expires", "0")
ctx.Resp.Header().Set("Cache-Control", "must-revalidate")
ctx.Resp.Header().Set("Pragma", "public")
ctx.Resp.Header().Set("Access-Control-Expose-Headers", "Content-Disposition")
http.ServeContent(ctx.Resp, ctx.Req.Request, name, modtime, r)
}
// Contexter initializes a classic context for a request.
func Contexter() macaron.Handler {
return func(c *macaron.Context, l i18n.Locale, cache cache.Cache, sess session.Store, f *session.Flash, x csrf.CSRF) {
ctx := &Context{
Context: c,
Cache: cache,
csrf: x,
Flash: f,
Session: sess,
Link: setting.AppSubURL + strings.TrimSuffix(c.Req.URL.EscapedPath(), "/"),
Repo: &Repository{
PullRequest: &PullRequest{},
},
Org: &Organization{},
}
ctx.Data["Language"] = ctx.Locale.Language()
c.Data["Link"] = ctx.Link
ctx.Data["CurrentURL"] = setting.AppSubURL + c.Req.URL.RequestURI()
ctx.Data["PageStartTime"] = time.Now()
// Quick responses appropriate go-get meta with status 200
// regardless of if user have access to the repository,
// or the repository does not exist at all.
// This is particular a workaround for "go get" command which does not respect
// .netrc file.
if ctx.Query("go-get") == "1" {
ownerName := c.Params(":username")
repoName := c.Params(":reponame")
trimmedRepoName := strings.TrimSuffix(repoName, ".git")
if ownerName == "" || trimmedRepoName == "" {
_, _ = c.Write([]byte(`<!doctype html>
<html>
<body>
invalid import path
</body>
</html>
`))
c.WriteHeader(400)
return
}
branchName := "master"
repo, err := models.GetRepositoryByOwnerAndName(ownerName, repoName)
if err == nil && len(repo.DefaultBranch) > 0 {
branchName = repo.DefaultBranch
}
prefix := setting.AppURL + path.Join(url.PathEscape(ownerName), url.PathEscape(repoName), "src", "branch", util.PathEscapeSegments(branchName))
appURL, _ := url.Parse(setting.AppURL)
insecure := ""
if appURL.Scheme == string(setting.HTTP) {
insecure = "--insecure "
}
c.Header().Set("Content-Type", "text/html")
c.WriteHeader(http.StatusOK)
_, _ = c.Write([]byte(com.Expand(`<!doctype html>
<html>
<head>
<meta name="go-import" content="{GoGetImport} git {CloneLink}">
<meta name="go-source" content="{GoGetImport} _ {GoDocDirectory} {GoDocFile}">
</head>
<body>
go get {Insecure}{GoGetImport}
</body>
</html>
`, map[string]string{
"GoGetImport": ComposeGoGetImport(ownerName, trimmedRepoName),
"CloneLink": models.ComposeHTTPSCloneURL(ownerName, repoName),
"GoDocDirectory": prefix + "{/dir}",
"GoDocFile": prefix + "{/dir}/{file}#L{line}",
"Insecure": insecure,
})))
return
}
// Get user from session if logged in.
ctx.User, ctx.IsBasicAuth = sso.SignedInUser(ctx.Req.Request, c.Resp, ctx, ctx.Session)
if ctx.User != nil {
ctx.IsSigned = true
ctx.Data["IsSigned"] = ctx.IsSigned
ctx.Data["SignedUser"] = ctx.User
ctx.Data["SignedUserID"] = ctx.User.ID
ctx.Data["SignedUserName"] = ctx.User.Name
ctx.Data["IsAdmin"] = ctx.User.IsAdmin
} else {
ctx.Data["SignedUserID"] = int64(0)
ctx.Data["SignedUserName"] = ""
}
// If request sends files, parse them here otherwise the Query() can't be parsed and the CsrfToken will be invalid.
if ctx.Req.Method == "POST" && strings.Contains(ctx.Req.Header.Get("Content-Type"), "multipart/form-data") {
if err := ctx.Req.ParseMultipartForm(setting.Attachment.MaxSize << 20); err != nil && !strings.Contains(err.Error(), "EOF") { // 32MB max size
ctx.ServerError("ParseMultipartForm", err)
return
}
}
ctx.Resp.Header().Set(`X-Frame-Options`, `SAMEORIGIN`)
ctx.Data["CsrfToken"] = html.EscapeString(x.GetToken())
ctx.Data["CsrfTokenHtml"] = template.HTML(`<input type="hidden" name="_csrf" value="` + ctx.Data["CsrfToken"].(string) + `">`)
log.Debug("Session ID: %s", sess.ID())
log.Debug("CSRF Token: %v", ctx.Data["CsrfToken"])
ctx.Data["IsLandingPageHome"] = setting.LandingPageURL == setting.LandingPageHome
ctx.Data["IsLandingPageExplore"] = setting.LandingPageURL == setting.LandingPageExplore
ctx.Data["IsLandingPageOrganizations"] = setting.LandingPageURL == setting.LandingPageOrganizations
ctx.Data["ShowRegistrationButton"] = setting.Service.ShowRegistrationButton
ctx.Data["ShowMilestonesDashboardPage"] = setting.Service.ShowMilestonesDashboardPage
ctx.Data["ShowFooterBranding"] = setting.ShowFooterBranding
ctx.Data["ShowFooterVersion"] = setting.ShowFooterVersion
ctx.Data["EnableSwagger"] = setting.API.EnableSwagger
ctx.Data["EnableOpenIDSignIn"] = setting.Service.EnableOpenIDSignIn
ctx.Data["DisableMigrations"] = setting.Repository.DisableMigrations
ctx.Data["ManifestData"] = setting.ManifestData
c.Map(ctx)
}
}