mirror of
https://github.com/mattermost/focalboard.git
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8cefcd8e8c
Co-authored-by: Mattermod <mattermod@users.noreply.github.com>
156 lines
3.9 KiB
Go
156 lines
3.9 KiB
Go
package web
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import (
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"errors"
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"fmt"
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"net/http"
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"net/url"
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"os"
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"path"
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"path/filepath"
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"strings"
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"text/template"
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"github.com/gorilla/mux"
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"github.com/mattermost/mattermost-server/v6/shared/mlog"
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)
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// RoutedService defines the interface that is needed for any service to
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// register themself in the web server to provide new endpoints. (see
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// AddRoutes).
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type RoutedService interface {
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RegisterRoutes(*mux.Router)
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}
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// Server is the structure responsible for managing our http web server.
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type Server struct {
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http.Server
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baseURL string
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rootPath string
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basePrefix string
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port int
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ssl bool
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logger *mlog.Logger
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}
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// NewServer creates a new instance of the webserver.
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func NewServer(rootPath string, serverRoot string, port int, ssl, localOnly bool, logger *mlog.Logger) *Server {
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r := mux.NewRouter()
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basePrefix := os.Getenv("FOCALBOARD_HTTP_SERVER_BASEPATH")
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if basePrefix != "" {
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r = r.PathPrefix(basePrefix).Subrouter()
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}
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var addr string
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if localOnly {
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addr = fmt.Sprintf(`localhost:%d`, port)
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} else {
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addr = fmt.Sprintf(`:%d`, port)
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}
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baseURL := ""
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url, err := url.Parse(serverRoot)
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if err != nil {
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logger.Error("Invalid ServerRoot setting", mlog.Err(err))
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}
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baseURL = url.Path
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ws := &Server{
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Server: http.Server{
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Addr: addr,
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Handler: r,
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},
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baseURL: baseURL,
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rootPath: rootPath,
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port: port,
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ssl: ssl,
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logger: logger,
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basePrefix: basePrefix,
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}
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return ws
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}
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func (ws *Server) Router() *mux.Router {
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return ws.Server.Handler.(*mux.Router)
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}
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// AddRoutes allows services to register themself in the webserver router and provide new endpoints.
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func (ws *Server) AddRoutes(rs RoutedService) {
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rs.RegisterRoutes(ws.Router())
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}
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func (ws *Server) registerRoutes() {
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ws.Router().PathPrefix("/static").Handler(http.StripPrefix(ws.basePrefix+"/static/", http.FileServer(http.Dir(filepath.Join(ws.rootPath, "static")))))
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ws.Router().PathPrefix("/").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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indexTemplate, err := template.New("index").ParseFiles(path.Join(ws.rootPath, "index.html"))
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if err != nil {
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ws.logger.Log(errorOrWarn(), "Unable to serve the index.html file", mlog.Err(err))
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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err = indexTemplate.ExecuteTemplate(w, "index.html", map[string]string{"BaseURL": ws.baseURL})
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if err != nil {
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ws.logger.Log(errorOrWarn(), "Unable to serve the index.html file", mlog.Err(err))
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w.WriteHeader(http.StatusInternalServerError)
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return
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}
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})
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}
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// Start runs the web server and start listening for connections.
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func (ws *Server) Start() {
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ws.registerRoutes()
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if ws.port == -1 {
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ws.logger.Debug("server not bind to any port")
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return
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}
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isSSL := ws.ssl && fileExists("./cert/cert.pem") && fileExists("./cert/key.pem")
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if isSSL {
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ws.logger.Info("https server started", mlog.Int("port", ws.port))
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go func() {
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if err := ws.ListenAndServeTLS("./cert/cert.pem", "./cert/key.pem"); err != nil {
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ws.logger.Fatal("ListenAndServeTLS", mlog.Err(err))
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}
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}()
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return
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}
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ws.logger.Info("http server started", mlog.Int("port", ws.port))
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go func() {
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if err := ws.ListenAndServe(); !errors.Is(err, http.ErrServerClosed) {
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ws.logger.Fatal("ListenAndServeTLS", mlog.Err(err))
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}
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ws.logger.Info("http server stopped")
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}()
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}
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func (ws *Server) Shutdown() error {
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return ws.Close()
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}
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// fileExists returns true if a file exists at the path.
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func fileExists(path string) bool {
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_, err := os.Stat(path)
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if os.IsNotExist(err) {
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return false
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}
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return err == nil
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}
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// errorOrWarn returns a `warn` level if this server instance is running unit tests, otherwise `error`.
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func errorOrWarn() mlog.Level {
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unitTesting := strings.ToLower(strings.TrimSpace(os.Getenv("FOCALBOARD_UNIT_TESTING")))
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if unitTesting == "1" || unitTesting == "y" || unitTesting == "t" {
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return mlog.LvlWarn
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}
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return mlog.LvlError
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}
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