Files
amcs/internal/app/status.go
2026-04-05 09:40:38 +02:00

141 lines
3.8 KiB
Go

package app
import (
"bytes"
"encoding/json"
"io/fs"
"net/http"
"path"
"strings"
"time"
"git.warky.dev/wdevs/amcs/internal/auth"
"git.warky.dev/wdevs/amcs/internal/buildinfo"
)
const connectedWindow = 10 * time.Minute
type statusAPIResponse struct {
Title string `json:"title"`
Description string `json:"description"`
Version string `json:"version"`
BuildDate string `json:"build_date"`
Commit string `json:"commit"`
ConnectedCount int `json:"connected_count"`
TotalKnown int `json:"total_known"`
ConnectedWindow string `json:"connected_window"`
Entries []auth.AccessSnapshot `json:"entries"`
OAuthEnabled bool `json:"oauth_enabled"`
}
func statusSnapshot(info buildinfo.Info, tracker *auth.AccessTracker, oauthEnabled bool, now time.Time) statusAPIResponse {
entries := tracker.Snapshot()
return statusAPIResponse{
Title: "Avelon Memory Crystal Server (AMCS)",
Description: "AMCS is a memory server that captures, links, and retrieves structured project thoughts for AI assistants using semantic search, summaries, and MCP tools.",
Version: fallback(info.Version, "dev"),
BuildDate: fallback(info.BuildDate, "unknown"),
Commit: fallback(info.Commit, "unknown"),
ConnectedCount: tracker.ConnectedCount(now, connectedWindow),
TotalKnown: len(entries),
ConnectedWindow: "last 10 minutes",
Entries: entries,
OAuthEnabled: oauthEnabled,
}
}
func fallback(value, defaultValue string) string {
if strings.TrimSpace(value) == "" {
return defaultValue
}
return value
}
func statusAPIHandler(info buildinfo.Info, tracker *auth.AccessTracker, oauthEnabled bool) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/api/status" {
http.NotFound(w, r)
return
}
if r.Method != http.MethodGet && r.Method != http.MethodHead {
w.Header().Set("Allow", "GET, HEAD")
http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
return
}
w.Header().Set("Content-Type", "application/json; charset=utf-8")
w.WriteHeader(http.StatusOK)
if r.Method == http.MethodHead {
return
}
_ = json.NewEncoder(w).Encode(statusSnapshot(info, tracker, oauthEnabled, time.Now()))
}
}
func homeHandler(_ buildinfo.Info, _ *auth.AccessTracker, _ bool) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet && r.Method != http.MethodHead {
w.Header().Set("Allow", "GET, HEAD")
http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
return
}
requestPath := strings.TrimPrefix(path.Clean(r.URL.Path), "/")
if requestPath == "." {
requestPath = ""
}
if requestPath != "" {
if serveUIAsset(w, r, requestPath) {
return
}
http.NotFound(w, r)
return
}
serveUIIndex(w, r)
}
}
func serveUIAsset(w http.ResponseWriter, r *http.Request, name string) bool {
if uiDistFS == nil {
return false
}
if strings.Contains(name, "..") {
return false
}
file, err := uiDistFS.Open(name)
if err != nil {
return false
}
defer file.Close()
info, err := file.Stat()
if err != nil || info.IsDir() {
return false
}
data, err := fs.ReadFile(uiDistFS, name)
if err != nil {
return false
}
http.ServeContent(w, r, info.Name(), info.ModTime(), bytes.NewReader(data))
return true
}
func serveUIIndex(w http.ResponseWriter, r *http.Request) {
if indexHTML == nil {
http.Error(w, "ui assets not built", http.StatusServiceUnavailable)
return
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(http.StatusOK)
if r.Method == http.MethodHead {
return
}
_, _ = w.Write(indexHTML)
}