Files

115 lines
3.2 KiB
Go

package api
import (
"net/http"
"strings"
"time"
"rawmark/internal/store"
"rawmark/internal/vault"
)
func (s *Server) createTicket(w http.ResponseWriter, r *http.Request) {
var body struct {
Kind string `json:"kind"`
PluginID string `json:"pluginId"`
Revision string `json:"revision"`
}
if !readJSON(w, r, &body) {
return
}
p := identity(r)
t := store.ResourceTicket{SessionHash: p.SessionHash, Kind: body.Kind, ExpiresAt: p.ExpiresAt}
suffix := body.Kind + "/"
switch body.Kind {
case "images", "fonts":
if body.PluginID != "" || body.Revision != "" {
writeError(w, 400, message(w, "invalid_resource_ticket_scope_7abece"))
return
}
case "events":
t.ExpiresAt = time.Now().Add(time.Minute)
if t.ExpiresAt.After(p.ExpiresAt) {
t.ExpiresAt = p.ExpiresAt
}
case "plugin":
dir, info, err := s.openPlugin(body.PluginID)
if err != nil {
s.pluginError(w, r, err)
return
}
dir.Close()
if info.Revision != body.Revision {
writeError(w, 409, message(w, "plugin_version_changed_refresh_the_9fab75"))
return
}
t.Resource, t.Revision = body.PluginID, body.Revision
suffix = "plugins/" + body.PluginID + "/assets/" + body.Revision + "/"
default:
writeError(w, 400, message(w, "invalid_resource_ticket_purpose_e266b8"))
return
}
plain := opaqueToken()
t.Hash = tokenHash(plain)
if err := s.store.CreateTicket(t); err != nil {
internalError(w, r, err)
return
}
writeJSON(w, 200, map[string]any{"url": "/api/v1/resources/" + plain + "/" + suffix, "expiresAt": t.ExpiresAt})
}
func (s *Server) resource(w http.ResponseWriter, r *http.Request) {
kind := r.PathValue("kind")
t, ok, err := s.store.Ticket(tokenHash(r.PathValue("ticket")), kind == "events", time.Now())
if err != nil {
internalError(w, r, err)
return
}
if !ok {
writeError(w, 401, message(w, "resource_ticket_has_expired_309b64"))
return
}
parent := principal{SessionHash: t.SessionHash, ExpiresAt: t.ExpiresAt}
valid, err := s.validPrincipal(parent)
if err != nil {
internalError(w, r, err)
return
}
if !valid {
writeError(w, 401, message(w, "login_session_has_expired_075903"))
return
}
r = withIdentity(r, parent)
name := r.PathValue("path")
switch {
case kind == "images" && t.Kind == "images":
if !vault.IsImage(name) {
writeError(w, 403, message(w, "this_ticket_only_permits_reading_f26030"))
return
}
s.raw(w, r)
case kind == "fonts" && t.Kind == "fonts":
id, ok := strings.CutSuffix(name, "/file")
if !ok || strings.Contains(id, "/") {
writeError(w, 403, message(w, "font_ticket_scope_does_not_95339a"))
return
}
r.SetPathValue("id", id)
s.fontFile(w, r)
case kind == "plugins" && t.Kind == "plugin":
parts := strings.SplitN(name, "/", 4)
if len(parts) != 4 || parts[0] != t.Resource || parts[1] != "assets" || parts[2] != t.Revision {
writeError(w, 403, message(w, "plugin_ticket_scope_does_not_349049"))
return
}
r.SetPathValue("id", t.Resource)
r.SetPathValue("revision", t.Revision)
r.SetPathValue("path", parts[3])
s.pluginAsset(w, r)
case kind == "events" && t.Kind == "events" && name == "":
s.events(w, r)
default:
writeError(w, 403, message(w, "resource_ticket_purpose_does_not_1f573e"))
}
}