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- // Copyright 2014 The Gogs 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 (
- "fmt"
- "html"
- "html/template"
- "io"
- "net/http"
- "path"
- "strings"
- "time"
-
- "code.gitea.io/gitea/models"
- "code.gitea.io/gitea/modules/auth"
- "code.gitea.io/gitea/modules/base"
- "code.gitea.io/gitea/modules/log"
- "code.gitea.io/gitea/modules/setting"
- "github.com/Unknwon/com"
- "github.com/go-macaron/cache"
- "github.com/go-macaron/csrf"
- "github.com/go-macaron/i18n"
- "github.com/go-macaron/session"
- macaron "gopkg.in/macaron.v1"
- )
-
- // 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
- }
-
- // 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
- }
-
- // 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)
- }
-
- // Handle handles and logs error by given status.
- func (ctx *Context) Handle(status int, title string, err error) {
- if err != nil {
- log.Error(4, "%s: %v", title, err)
- if macaron.Env != macaron.PROD {
- ctx.Data["ErrorMsg"] = err
- }
- }
-
- switch status {
- case 404:
- ctx.Data["Title"] = "Page Not Found"
- case 500:
- ctx.Data["Title"] = "Internal Server Error"
- }
- ctx.HTML(status, base.TplName(fmt.Sprintf("status/%d", status)))
- }
-
- // 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.Handle(404, title, err)
- return
- }
-
- ctx.Handle(500, title, err)
- }
-
- // HandleText handles HTTP status code
- func (ctx *Context) HandleText(status int, title string) {
- if (status/100 == 4) || (status/100 == 5) {
- log.Error(4, "%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")
- 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{},
- }
- c.Data["Link"] = ctx.Link
- 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")
- branchName := "master"
-
- repo, err := models.GetRepositoryByOwnerAndName(ownerName, repoName)
- if err == nil && len(repo.DefaultBranch) > 0 {
- branchName = repo.DefaultBranch
- }
- prefix := setting.AppURL + path.Join(ownerName, repoName, "src", "branch", branchName)
- c.PlainText(http.StatusOK, []byte(com.Expand(`
- <html>
- <head>
- <meta name="go-import" content="{GoGetImport} git {CloneLink}">
- <meta name="go-source" content="{GoGetImport} _ {GoDocDirectory} {GoDocFile}">
- </head>
- <body>
- go get {GoGetImport}
- </body>
- </html>
- `, map[string]string{
- "GoGetImport": ComposeGoGetImport(ownerName, strings.TrimSuffix(repoName, ".git")),
- "CloneLink": models.ComposeHTTPSCloneURL(ownerName, repoName),
- "GoDocDirectory": prefix + "{/dir}",
- "GoDocFile": prefix + "{/dir}/{file}#L{line}",
- })))
- return
- }
-
- // Get user from session if logged in.
- ctx.User, ctx.IsBasicAuth = auth.SignedInUser(ctx.Context, 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.AttachmentMaxSize << 20); err != nil && !strings.Contains(err.Error(), "EOF") { // 32MB max size
- ctx.Handle(500, "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["ShowRegistrationButton"] = setting.Service.ShowRegistrationButton
- ctx.Data["ShowFooterBranding"] = setting.ShowFooterBranding
- ctx.Data["ShowFooterVersion"] = setting.ShowFooterVersion
- ctx.Data["EnableOpenIDSignIn"] = setting.Service.EnableOpenIDSignIn
-
- c.Map(ctx)
- }
- }
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