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client/web: add debug mode for web client ui updates

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UI updates staged behind debug mode flags. Initial new views added
in app.tsx, rendered based on the current debug setting.

Updates tailscale/corp#14335

Signed-off-by: Sonia Appasamy <sonia@tailscale.com>
This commit is contained in:
Sonia Appasamy
2023-09-26 15:57:40 -04:00
committed by Sonia Appasamy
parent 5b3f5eabb5
commit 5429ee2566
8 changed files with 194 additions and 28 deletions
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27
client/web/web.go
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@ -35,8 +35,8 @@ import (
type Server struct {
lc *tailscale.LocalClient
devMode bool
loginOnly bool
devMode bool
tsDebugMode string
cgiMode bool
pathPrefix string
@ -72,10 +72,10 @@ func NewServer(ctx context.Context, opts ServerOpts) (s *Server, cleanup func())
}
s = &Server{
devMode: opts.DevMode,
loginOnly: opts.LoginOnly,
lc: opts.LocalClient,
pathPrefix: opts.PathPrefix,
}
s.tsDebugMode = s.debugMode()
s.assetsHandler, cleanup = assetsHandler(opts.DevMode)
// Create handler for "/api" requests with CSRF protection.
@ -84,7 +84,7 @@ func NewServer(ctx context.Context, opts ServerOpts) (s *Server, cleanup func())
// The client is secured by limiting the interface it listens on,
// or by authenticating requests before they reach the web client.
csrfProtect := csrf.Protect(s.csrfKey(), csrf.Secure(false))
if opts.LoginOnly {
if s.tsDebugMode == "login" {
// For the login client, we don't serve the full web client API,
// only the login endpoints.
s.apiHandler = csrfProtect(http.HandlerFunc(s.serveLoginAPI))
@ -97,6 +97,20 @@ func NewServer(ctx context.Context, opts ServerOpts) (s *Server, cleanup func())
return s, cleanup
}
// debugMode returns the debug mode the web client is being run in.
// The empty string is returned in the case that this instance is
// not running in any debug mode.
func (s *Server) debugMode() string {
if !s.devMode {
return "" // debug modes only available in dev
}
switch mode := os.Getenv("TS_DEBUG_WEB_CLIENT_MODE"); mode {
case "login", "full": // valid debug modes
return mode
}
return ""
}
// ServeHTTP processes all requests for the Tailscale web client.
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
handler := s.serve
@ -153,7 +167,8 @@ func (s *Server) serveLoginAPI(w http.ResponseWriter, r *http.Request) {
}
switch r.Method {
case httpm.GET:
// TODO(soniaappasamy): implement
// TODO(soniaappasamy): we may want a minimal node data response here
s.serveGetNodeData(w, r)
case httpm.POST:
// TODO(soniaappasamy): implement
default:
@ -206,6 +221,7 @@ type nodeData struct {
IsUnraid bool
UnraidToken string
IPNVersion string
DebugMode string // empty when not running in any debug mode
}
func (s *Server) serveGetNodeData(w http.ResponseWriter, r *http.Request) {
@ -233,6 +249,7 @@ func (s *Server) serveGetNodeData(w http.ResponseWriter, r *http.Request) {
IsUnraid: distro.Get() == distro.Unraid,
UnraidToken: os.Getenv("UNRAID_CSRF_TOKEN"),
IPNVersion: versionShort,
DebugMode: s.tsDebugMode,
}
exitNodeRouteV4 := netip.MustParsePrefix("0.0.0.0/0")
exitNodeRouteV6 := netip.MustParsePrefix("::/0")