feat: secure web UI and expose runtime settings

am_deduper/web.py

@@ -5,10 +5,12 @@ from pathlib import Path
 from urllib.parse import urlparse
 from .db import connect
 from .scanner import scan
-from .exact import exact_dedupe, hardlink_duplicate
+from .exact import exact_dedupe, hardlink_duplicate, choose_winner
 from .l2 import acoustic_dedupe
 
-ROOT=Path("/music/AllMusic"); DB=Path("/data/dedupe.db")
+ROOT=Path(os.environ.get("AM_DEDUPER_ROOT","/music/AllMusic")).resolve()
+DB=Path(os.environ.get("AM_DEDUPER_DB","/data/dedupe.db")).resolve()
+TOKEN=os.environ.get("AM_DEDUPER_TOKEN","").strip()
 LOCK=threading.Lock()
 
 HTML=r'''<!doctype html><html lang="zh-CN"><meta charset="utf-8">
@@ -30,11 +32,12 @@ button.primary{background:#111827;color:#fff}button.danger{background:#fee2e2}ta
 <section><h2>待人工审核</h2><div id="review"></div></section>
 <section><h2>任务</h2><div id="jobsBox"></div></section>
 <section><h2>最近操作</h2><div id="historyBox"></div></section>
+<section><h2>设置</h2><div id="settingsBox" class="muted">加载中...</div></section>
 </main>
 
 <script>
 const esc=s=>String(s??'').replace(/[&<>"]/g,c=>({'&':'&amp;','<':'&lt;','>':'&gt;','"':'&quot;'}[c]));
-async function api(u,o){let r=await fetch(u,o),j=await r.json();if(!r.ok)throw Error(j.error||r.status);return j}
+async function api(u,o={}){o.headers=Object.assign({},o.headers||{});let t=localStorage.getItem('am_token');if(t)o.headers.Authorization='Bearer '+t;let r=await fetch(u,o);let j=await r.json();if(r.status===401){t=prompt('请输入 AM Deduper 管理 Token');if(t){localStorage.setItem('am_token',t);return api(u,o)} }if(!r.ok)throw Error(j.error||r.status);return j}
 async function load(){try{
 let s=await api('/api/stats');stats.innerHTML=s.cards.map(x=>'<div class="card"><div class="muted">'+esc(x.name)+'</div><div class="num">'+esc(x.value)+'</div></div>').join('');
 let d=await api('/api/duplicates');dupes.innerHTML=d.groups.length?d.groups.map(g=>'<div class="card"><b>'+esc(g.type)+' · '+esc(g.savings)+' MB 可节省</b><table><tr><th>文件</th><th>状态</th></tr>'+g.items.map(x=>'<tr><td class="path">'+esc(x.file_path)+'</td><td>'+esc(x.status)+'</td></tr>').join('')+'</table></div>').join(''):'<p class="muted">暂无重复组。</p>';
@@ -47,6 +50,8 @@ let h=await api('/api/history');historyBox.innerHTML=h.items.length?'<table><tr>
 async function run(kind){try{await api('/api/jobs',{method:'POST',headers:{'content-type':'application/json'},body:JSON.stringify({kind})});load()}catch(e){alert(e.message)}}
 async function reviewAction(id,action,candidate_id){try{await api('/api/review',{method:'POST',headers:{'content-type':'application/json'},body:JSON.stringify({id,action,candidate_id})});load()}catch(e){alert(e.message)}}
 async function rollback(id){if(!confirm('确认回滚此 Hard Link？'))return;try{await api('/api/rollback',{method:'POST',headers:{'content-type':'application/json'},body:JSON.stringify({id})});load()}catch(e){alert(e.message)}}
+let cfg=await api('/api/settings');settingsBox.innerHTML='<div>音乐目录：<span class="path">'+esc(cfg.root)+'</span></div><div>数据库：<span class="path">'+esc(cfg.db)+'</span></div><div>认证：'+esc(cfg.auth)+'</div><div>L2：相似度 ≥ '+esc(cfg.l2_min)+' 自动判定，'+esc(cfg.l2_review)+' 起进入审核；时长窗口 ±'+esc(cfg.duration_delta)+' 秒</div>';
+}catch(e){alert(e.message)}}
 load();setInterval(load,5000);
 </script></html>'''
 
@@ -66,7 +71,11 @@ def duplicates():
     for r in rows: groups.setdefault(r["sha256"],[]).append(dict(r))
     out=[]
     for _,items in groups.items():
-        if len(items)>1: out.append({"type":"SHA256 完全重复","savings":round(sum(x["file_size"] for x in items[1:])/1024/1024,2),"items":items})
+        if len(items)>1:
+            winner=choose_winner(items)
+            ordered=[winner]+[x for x in items if x["id"]!=winner["id"]]
+            savings=round(sum(x["file_size"] for x in ordered[1:])/1024/1024,2)
+            out.append({"type":"SHA256 完全重复","savings":savings,"winner_id":winner["id"],"items":ordered})
     return {"groups":out[:100]}
 
 def review_items():
@@ -87,6 +96,11 @@ def jobs():
     with connect(DB) as c: rows=c.execute("SELECT * FROM jobs ORDER BY id DESC LIMIT 30").fetchall()
     return {"items":[dict(r) for r in rows]}
 
+def settings():
+    from .l2 import MIN_SIMILARITY, REVIEW_SIMILARITY, DURATION_DELTA
+    return {"root":str(ROOT),"db":str(DB),"auth":"Token 已启用" if TOKEN else "未启用（仅建议内网）",
+            "l2_min":MIN_SIMILARITY,"l2_review":REVIEW_SIMILARITY,"duration_delta":DURATION_DELTA}
+
 def run_job(kind):
     with connect(DB) as c:
         cur=c.execute("INSERT INTO jobs(kind,status) VALUES(?,?)",(kind,"running")); jid=cur.lastrowid
@@ -133,20 +147,27 @@ class Handler(BaseHTTPRequestHandler):
     def send(self,status,data,ctype="application/json"):
         raw=data.encode() if isinstance(data,str) else json.dumps(data,ensure_ascii=False).encode()
         self.send_response(status); self.send_header("Content-Type",ctype+"; charset=utf-8"); self.send_header("Content-Length",str(len(raw))); self.end_headers(); self.wfile.write(raw)
+    def authorized(self):
+        if not TOKEN: return True
+        return self.headers.get("Authorization","") == "Bearer "+TOKEN
+
     def do_GET(self):
         p=urlparse(self.path).path
         try:
             if p=="/": return self.send(200,HTML,"text/html")
+            if not self.authorized(): return self.send(401,{"error":"unauthorized"})
             if p=="/api/stats": return self.send(200,stats())
             if p=="/api/duplicates": return self.send(200,duplicates())
             if p=="/api/review": return self.send(200,review_items())
             if p=="/api/history": return self.send(200,history())
             if p=="/api/jobs": return self.send(200,jobs())
+            if p=="/api/settings": return self.send(200,settings())
             return self.send(404,{"error":"not found"})
         except Exception as e: return self.send(500,{"error":str(e)})
 
     def do_POST(self):
         p=urlparse(self.path).path
+        if not self.authorized(): return self.send(401,{"error":"unauthorized"})
         try: body=json.loads(self.rfile.read(int(self.headers.get("content-length","0"))) or b"{}")
         except Exception: return self.send(400,{"error":"invalid json"})
         try: