Files
Agent-System-Backend/internal/server/platform_api.go
T
weichen adcd8fefd2 Fence U3 account writes and stabilize directory cursors
Why: Account disable could be followed by late Backend business writes, API key creation could implicitly create users, account bootstrap locks could invert, and directory cursors were process-local or leaked out-of-scope changes.

Evidence: Local go test ./... and isolated PostgreSQL package suites passed on the staged candidate; exact committed-head SELF replay and stage 6 human review remain pending.

Impact: Adds final account transactions and external-effect checks across HTTP, Host, Bus and run manager; tightens API key issuance and persists versioned cursor signing. Delegated RDM rename still needs the separately proposed real-operator contract, so A1 and stage 6 are not complete.

Refs: Documents U3 r1, approved A1-A4 amendment fb3a821, pending delegated-projection amendment 5783940, Dev feature/iam-u3-account-directory-recovery.
2026-10-14 07:33:54 +00:00

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package server
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"strconv"
"strings"
"agent-system-backend/internal/store"
"agent-system-backend/internal/surfacesvc"
core "agent-system-core"
)
func (s *Server) createBackgroundTask(w http.ResponseWriter, r *http.Request) {
var body struct {
Kind string `json:"kind"`
Title string `json:"title"`
ConversationID string `json:"conversationId"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.Kind == "" {
http.Error(w, "kind required", http.StatusBadRequest)
return
}
task, err := s.st.CreateBackgroundTaskAccountChecked(s.owner(r), body.Kind, body.Title, body.ConversationID, s.Auth == nil || !s.Auth.Enabled)
if err != nil {
writeStoreErr(w, err)
return
}
writeJSON(w, http.StatusCreated, task)
}
func (s *Server) listBackgroundTasks(w http.ResponseWriter, r *http.Request) {
tasks, err := s.st.ListBackgroundTasks(s.owner(r))
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
writeJSON(w, http.StatusOK, orEmptySlice(tasks))
}
func (s *Server) getBackgroundTask(w http.ResponseWriter, r *http.Request) {
task, err := s.st.GetBackgroundTask(s.owner(r), r.PathValue("id"))
if err != nil {
http.Error(w, "not found", http.StatusNotFound)
return
}
writeJSON(w, http.StatusOK, task)
}
func (s *Server) updateBackgroundTask(w http.ResponseWriter, r *http.Request) {
var body struct {
Status string `json:"status"`
Progress int `json:"progress"`
Error string `json:"error"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.Status == "" {
http.Error(w, "status required", http.StatusBadRequest)
return
}
if err := s.st.UpdateBackgroundTaskAccountChecked(s.owner(r), r.PathValue("id"), body.Status, body.Progress, body.Error, s.Auth == nil || !s.Auth.Enabled); err != nil {
writeStoreErr(w, err)
return
}
s.getBackgroundTask(w, r)
}
func (s *Server) putMemory(w http.ResponseWriter, r *http.Request) {
var e core.MemoryEntry
if err := json.NewDecoder(r.Body).Decode(&e); err != nil || strings.TrimSpace(e.Content) == "" {
http.Error(w, "content required", http.StatusBadRequest)
return
}
if e.Scope == "" {
e.Scope = "user"
}
if e.Type == "" {
e.Type = "fact"
}
if e.Source == "" {
e.Source = "manual"
}
saved, err := s.st.PutMemoryAccountChecked(s.owner(r), e, s.Auth == nil || !s.Auth.Enabled)
if err != nil {
writeStoreErr(w, err)
return
}
writeJSON(w, http.StatusCreated, saved)
}
func (s *Server) listMemory(w http.ResponseWriter, r *http.Request) {
q := r.URL.Query()
list, err := s.st.ListMemory(s.owner(r), q.Get("scope"), q.Get("projectId"))
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
writeJSON(w, http.StatusOK, orEmptySlice(list))
}
func (s *Server) listAudit(w http.ResponseWriter, r *http.Request) {
limit, _ := strconv.Atoi(r.URL.Query().Get("limit"))
evs, err := s.st.ListAuditEvents(s.owner(r), limit)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
writeJSON(w, http.StatusOK, orEmptySlice(evs))
}
func (s *Server) postAudit(w http.ResponseWriter, r *http.Request) {
var body struct {
Action string `json:"action"`
Target string `json:"target"`
Evidence string `json:"evidence"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.Action == "" {
http.Error(w, "action required", http.StatusBadRequest)
return
}
if err := s.st.AppendAuditEventAccountChecked(s.owner(r), store.AuditEvent{
Owner: s.owner(r), Actor: s.owner(r), Action: body.Action, Target: body.Target,
Evidence: body.Evidence, TraceID: r.Header.Get("X-Trace-Id"),
}, s.Auth == nil || !s.Auth.Enabled); err != nil {
writeStoreErr(w, err)
return
}
w.WriteHeader(http.StatusNoContent)
}
func (s *Server) setPluginEnabled(w http.ResponseWriter, r *http.Request) {
var body struct {
Enabled bool `json:"enabled"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
http.Error(w, "bad json", http.StatusBadRequest)
return
}
if err := s.st.SetPluginEnabledAccountChecked(s.owner(r), r.PathValue("id"), body.Enabled, s.Auth == nil || !s.Auth.Enabled); err != nil {
writeStoreErr(w, err)
return
}
w.WriteHeader(http.StatusNoContent)
}
func (s *Server) llmBudget(w http.ResponseWriter, r *http.Request) {
budget := int(s.set.Effective(s.owner(r), "").GetNumber("llm.dailyTokenBudget", 0))
status, err := s.st.AccountTokens(s.owner(r), 0, budget)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
writeJSON(w, http.StatusOK, map[string]any{"total": status.Total, "budget": budget, "over": status.Over})
}
func (s *Server) exportConversation(w http.ResponseWriter, r *http.Request) {
owner := s.owner(r)
id := r.PathValue("id")
conv, err := s.st.GetConversation(owner, id)
if err != nil {
http.Error(w, "not found", http.StatusNotFound)
return
}
msgs, err := s.st.ListMessages(id)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
if r.URL.Query().Get("format") == "md" {
w.Header().Set("Content-Type", "text/markdown; charset=utf-8")
fmt.Fprintf(w, "# %s\n\n", conv.Title)
for _, m := range msgs {
fmt.Fprintf(w, "## %s\n\n%s\n\n", m.Role, messageText(m))
}
return
}
writeJSON(w, http.StatusOK, map[string]any{"conversation": conv, "messages": msgs})
}
func messageText(m core.Message) string {
var b strings.Builder
for _, p := range m.Parts {
if p.Type == core.PartText {
b.WriteString(p.Text)
}
}
return b.String()
}
// ---- Generative UI Surface(提案 U2;EXT-17)。直接 API 与插件命令共用
// surfacesvc.Submit 单一咽喉:禁用/epoch/校验/CAS 守卫不因入口不同而绕过。----
func (s *Server) submitSurface(w http.ResponseWriter, r *http.Request) {
if s.Surfaces == nil {
http.Error(w, "surface capability not enabled", http.StatusNotImplemented)
return
}
var body struct {
PluginID string `json:"pluginId"`
ConversationID string `json:"conversationId"`
SurfaceID string `json:"surfaceId"`
BaseRevision int `json:"baseRevision"`
ObservedEpoch int64 `json:"observedEpoch"`
ContextVersion string `json:"contextVersion"`
SemanticText string `json:"semanticText"`
Spec json.RawMessage `json:"spec"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.PluginID == "" || len(body.Spec) == 0 {
http.Error(w, "pluginId and spec required", http.StatusBadRequest)
return
}
snap, err := s.Surfaces.SubmitAccountChecked(r.Context(), s.owner(r), body.PluginID, surfacesvc.SubmitRequest{
SurfaceID: core.ID(body.SurfaceID), ConversationID: core.ID(body.ConversationID),
BaseRevision: body.BaseRevision, ObservedEpoch: body.ObservedEpoch,
ContextVersion: body.ContextVersion, SemanticText: body.SemanticText, Spec: body.Spec,
}, s.Auth == nil || !s.Auth.Enabled)
if err != nil {
s.writeSurfaceError(w, err)
return
}
writeJSON(w, http.StatusCreated, snap)
}
func (s *Server) getSurface(w http.ResponseWriter, r *http.Request) {
if s.Surfaces == nil {
http.Error(w, "surface capability not enabled", http.StatusNotImplemented)
return
}
snap, err := s.Surfaces.Get(r.Context(), s.owner(r), core.ID(r.PathValue("id")))
if err != nil {
s.writeSurfaceError(w, err)
return
}
writeJSON(w, http.StatusOK, snap)
}
func (s *Server) listSurfaces(w http.ResponseWriter, r *http.Request) {
if s.Surfaces == nil {
http.Error(w, "surface capability not enabled", http.StatusNotImplemented)
return
}
metas, err := s.Surfaces.List(r.Context(), s.owner(r), core.ID(r.PathValue("id")))
if err != nil {
s.writeSurfaceError(w, err)
return
}
writeJSON(w, http.StatusOK, orEmptySlice(metas))
}
func (s *Server) setSurfaceActivation(w http.ResponseWriter, r *http.Request) {
if s.Surfaces == nil {
http.Error(w, "surface capability not enabled", http.StatusNotImplemented)
return
}
var body struct {
Enabled bool `json:"enabled"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
http.Error(w, "enabled required", http.StatusBadRequest)
return
}
row, err := s.Surfaces.SetActivationAccountChecked(r.Context(), s.owner(r), r.PathValue("id"), body.Enabled, s.Auth == nil || !s.Auth.Enabled)
if err != nil {
s.writeSurfaceError(w, err)
return
}
writeJSON(w, http.StatusOK, row)
}
func (s *Server) submitSurfaceAction(w http.ResponseWriter, r *http.Request) {
if s.Surfaces == nil {
http.Error(w, "surface capability not enabled", http.StatusNotImplemented)
return
}
if s.projectLifecycle != nil {
snap, err := s.Surfaces.Get(r.Context(), s.owner(r), core.ID(r.PathValue("id")))
if err != nil {
s.writeSurfaceError(w, err)
return
}
if snap.Identity.ProjectID != "" {
if err := s.projectWork(r.Context(), s.owner(r), snap.Identity.ProjectID); err != nil {
writeProjectErr(w, err)
return
}
}
}
// 注意:本端点不绑定任何 confirmed 类字段——高危确认只能经既有确认卡回道
// (bus.Confirm)置位,客户端/模型无法伪造(U5 提案第二节第 2 条红测)。
var body struct {
ActionID string `json:"actionId"`
Revision int `json:"revision"`
RequestID string `json:"requestId"`
Data map[string]any `json:"data"`
}
if err := json.NewDecoder(r.Body).Decode(&body); err != nil || body.ActionID == "" || body.RequestID == "" {
http.Error(w, "actionId and requestId required", http.StatusBadRequest)
return
}
res, err := s.Surfaces.SubmitActionAccountChecked(r.Context(), s.owner(r), surfacesvc.SubmitActionRequest{
SurfaceID: core.ID(r.PathValue("id")), ActionID: body.ActionID,
Revision: body.Revision, RequestID: body.RequestID, Data: body.Data,
}, s.Auth == nil || !s.Auth.Enabled)
if err != nil {
s.writeSurfaceError(w, err)
return
}
writeJSON(w, http.StatusOK, res)
}
// writeSurfaceError 把服务层确定错误映射到状态码:禁用/epoch=409 语义(准入
// 截止),规格违规=400 带字段清单,冲突=409 带当前版本,NotFound=404。
func (s *Server) writeSurfaceError(w http.ResponseWriter, err error) {
var invalid *surfacesvc.ErrInvalidSpec
var conflict *store.ErrRevisionConflict
switch {
case errors.Is(err, surfacesvc.ErrDisabled), errors.Is(err, surfacesvc.ErrStaleEpoch),
errors.Is(err, surfacesvc.ErrUnavailable):
http.Error(w, err.Error(), http.StatusForbidden)
case errors.Is(err, surfacesvc.ErrUnknownAction):
http.Error(w, err.Error(), http.StatusBadRequest)
case errors.Is(err, store.ErrIdempotencyConflict):
http.Error(w, err.Error(), http.StatusConflict)
case errors.As(err, &invalid):
writeJSON(w, http.StatusBadRequest, map[string]any{"error": "invalid spec", "details": invalid.Errs})
case errors.As(err, &conflict):
writeJSON(w, http.StatusConflict, map[string]any{"error": "revision conflict", "current": conflict.Current})
case errors.Is(err, store.ErrNotFound):
http.Error(w, err.Error(), http.StatusNotFound)
default:
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
// listProjectSurfaces 项目级跨会话页面聚合(U6/R8):owner 授权作用域。
func (s *Server) listProjectSurfaces(w http.ResponseWriter, r *http.Request) {
if s.Surfaces == nil {
http.Error(w, "surface capability not enabled", http.StatusNotImplemented)
return
}
metas, err := s.Surfaces.ListByProject(r.Context(), s.owner(r), core.ID(r.PathValue("id")))
if err != nil {
s.writeSurfaceError(w, err)
return
}
writeJSON(w, http.StatusOK, orEmptySlice(metas))
}