mirror of https://github.com/jackwener/wx-cli.git
552 lines
20 KiB
Python
552 lines
20 KiB
Python
"""
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微信实时消息监听器 - Web UI (SSE推送 + mtime检测)
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http://localhost:5678
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- 30ms轮询WAL/DB文件的mtime变化（WAL是预分配固定大小，不能用size检测）
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- 检测到变化后：全量解密DB + 全量WAL patch
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- SSE 服务器推送
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"""
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import hashlib, struct, os, sys, json, time, sqlite3, io, threading, queue
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import hmac as hmac_mod
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from datetime import datetime
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from http.server import HTTPServer, BaseHTTPRequestHandler
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from socketserver import ThreadingMixIn
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from Crypto.Cipher import AES
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import urllib.parse
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PAGE_SZ = 4096
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KEY_SZ = 32
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SALT_SZ = 16
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RESERVE_SZ = 80
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SQLITE_HDR = b'SQLite format 3\x00'
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WAL_HEADER_SZ = 32
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WAL_FRAME_HEADER_SZ = 24
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from config import load_config
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_cfg = load_config()
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DB_DIR = _cfg["db_dir"]
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KEYS_FILE = _cfg["keys_file"]
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CONTACT_CACHE = os.path.join(_cfg["decrypted_dir"], "contact", "contact.db")
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DECRYPTED_SESSION = os.path.join(_cfg["decrypted_dir"], "session", "session.db")
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POLL_MS = 30 # 高频轮询WAL/DB的mtime，30ms一次
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PORT = 5678
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sse_clients = []
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sse_lock = threading.Lock()
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messages_log = []
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messages_lock = threading.Lock()
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MAX_LOG = 500
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def decrypt_page(enc_key, page_data, pgno):
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"""解密单个加密页面"""
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iv = page_data[PAGE_SZ - RESERVE_SZ: PAGE_SZ - RESERVE_SZ + 16]
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if pgno == 1:
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encrypted = page_data[SALT_SZ: PAGE_SZ - RESERVE_SZ]
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cipher = AES.new(enc_key, AES.MODE_CBC, iv)
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decrypted = cipher.decrypt(encrypted)
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return bytearray(SQLITE_HDR + decrypted + b'\x00' * RESERVE_SZ)
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else:
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encrypted = page_data[:PAGE_SZ - RESERVE_SZ]
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cipher = AES.new(enc_key, AES.MODE_CBC, iv)
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decrypted = cipher.decrypt(encrypted)
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return decrypted + b'\x00' * RESERVE_SZ
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def full_decrypt(db_path, out_path, enc_key):
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"""首次全量解密"""
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t0 = time.perf_counter()
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file_size = os.path.getsize(db_path)
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total_pages = file_size // PAGE_SZ
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with open(db_path, 'rb') as fin, open(out_path, 'wb') as fout:
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for pgno in range(1, total_pages + 1):
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page = fin.read(PAGE_SZ)
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if len(page) < PAGE_SZ:
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if len(page) > 0:
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page = page + b'\x00' * (PAGE_SZ - len(page))
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else:
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break
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fout.write(decrypt_page(enc_key, page, pgno))
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ms = (time.perf_counter() - t0) * 1000
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return total_pages, ms
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def decrypt_wal_full(wal_path, out_path, enc_key):
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"""解密WAL当前有效frame，patch到已解密的DB副本
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WAL是预分配固定大小(4MB)，包含当前有效frame和上一轮遗留的旧frame。
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通过WAL header中的salt值区分：只有frame header的salt匹配WAL header的才是有效frame。
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返回: (patched_pages, elapsed_ms)
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"""
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t0 = time.perf_counter()
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if not os.path.exists(wal_path):
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return 0, 0
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wal_size = os.path.getsize(wal_path)
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if wal_size <= WAL_HEADER_SZ:
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return 0, 0
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frame_size = WAL_FRAME_HEADER_SZ + PAGE_SZ # 24 + 4096 = 4120
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patched = 0
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with open(wal_path, 'rb') as wf, open(out_path, 'r+b') as df:
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# 读WAL header，获取当前salt值
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wal_hdr = wf.read(WAL_HEADER_SZ)
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wal_salt1 = struct.unpack('>I', wal_hdr[16:20])[0]
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wal_salt2 = struct.unpack('>I', wal_hdr[20:24])[0]
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while wf.tell() + frame_size <= wal_size:
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fh = wf.read(WAL_FRAME_HEADER_SZ)
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if len(fh) < WAL_FRAME_HEADER_SZ:
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break
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pgno = struct.unpack('>I', fh[0:4])[0]
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frame_salt1 = struct.unpack('>I', fh[8:12])[0]
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frame_salt2 = struct.unpack('>I', fh[12:16])[0]
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ep = wf.read(PAGE_SZ)
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if len(ep) < PAGE_SZ:
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break
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# 校验: pgno有效 且 salt匹配当前WAL周期
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if pgno == 0 or pgno > 1000000:
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continue
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if frame_salt1 != wal_salt1 or frame_salt2 != wal_salt2:
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continue # 旧周期遗留的frame，跳过
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dec = decrypt_page(enc_key, ep, pgno)
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df.seek((pgno - 1) * PAGE_SZ)
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df.write(dec)
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patched += 1
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ms = (time.perf_counter() - t0) * 1000
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return patched, ms
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def load_contact_names():
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names = {}
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try:
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conn = sqlite3.connect(CONTACT_CACHE)
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for r in conn.execute("SELECT username, nick_name, remark FROM contact").fetchall():
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names[r[0]] = r[2] if r[2] else r[1] if r[1] else r[0]
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conn.close()
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except:
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pass
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return names
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def format_msg_type(t):
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return {
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1: '文本', 3: '图片', 34: '语音', 42: '名片',
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43: '视频', 47: '表情', 48: '位置', 49: '链接/文件',
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50: '通话', 10000: '系统', 10002: '撤回',
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}.get(t, f'type={t}')
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def msg_type_icon(t):
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return {
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1: '💬', 3: '🖼️', 34: '🎤', 42: '👤',
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43: '🎬', 47: '😀', 48: '📍', 49: '🔗',
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50: '📞', 10000: '⚙️', 10002: '↩️',
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}.get(t, '📨')
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def broadcast_sse(msg_data):
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payload = f"data: {json.dumps(msg_data, ensure_ascii=False)}\n\n"
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with sse_lock:
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dead = []
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for q in sse_clients:
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try:
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q.put_nowait(payload)
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except:
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dead.append(q)
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for q in dead:
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sse_clients.remove(q)
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# ============ 监听器 ============
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class SessionMonitor:
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def __init__(self, enc_key, session_db, contact_names):
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self.enc_key = enc_key
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self.session_db = session_db
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self.wal_path = session_db + "-wal"
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self.contact_names = contact_names
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self.prev_state = {}
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self.decrypt_ms = 0
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self.patched_pages = 0
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def query_state(self):
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"""查询已解密副本的session状态"""
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conn = sqlite3.connect(f"file:{DECRYPTED_SESSION}?mode=ro", uri=True)
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state = {}
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for r in conn.execute("""
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SELECT username, unread_count, summary, last_timestamp,
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last_msg_type, last_msg_sender, last_sender_display_name
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FROM SessionTable WHERE last_timestamp > 0
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""").fetchall():
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state[r[0]] = {
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'unread': r[1], 'summary': r[2] or '', 'timestamp': r[3],
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'msg_type': r[4], 'sender': r[5] or '', 'sender_name': r[6] or '',
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}
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conn.close()
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return state
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def do_full_refresh(self):
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"""全量解密DB + 全量WAL patch"""
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# 先解密主DB
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pages, ms = full_decrypt(self.session_db, DECRYPTED_SESSION, self.enc_key)
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total_ms = ms
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wal_patched = 0
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# 再patch所有WAL frames
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if os.path.exists(self.wal_path):
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wal_patched, ms2 = decrypt_wal_full(self.wal_path, DECRYPTED_SESSION, self.enc_key)
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total_ms += ms2
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self.decrypt_ms = total_ms
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self.patched_pages = pages + wal_patched
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return self.patched_pages
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def check_updates(self):
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global messages_log
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try:
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t0 = time.perf_counter()
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self.do_full_refresh()
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t1 = time.perf_counter()
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curr_state = self.query_state()
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t2 = time.perf_counter()
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print(f" [perf] decrypt={self.patched_pages}页/{(t1-t0)*1000:.1f}ms, query={(t2-t1)*1000:.1f}ms", flush=True)
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except Exception as e:
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print(f" [ERROR] check_updates: {e}", flush=True)
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return
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# 收集所有新消息，按时间排序后再推送
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new_msgs = []
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for username, curr in curr_state.items():
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prev = self.prev_state.get(username)
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if prev and curr['timestamp'] > prev['timestamp']:
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display = self.contact_names.get(username, username)
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is_group = '@chatroom' in username
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sender = ''
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if is_group:
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sender = self.contact_names.get(curr['sender'], curr['sender_name'] or curr['sender'])
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summary = curr['summary']
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if summary and ':\n' in summary:
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summary = summary.split(':\n', 1)[1]
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new_msgs.append({
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'time': datetime.fromtimestamp(curr['timestamp']).strftime('%H:%M:%S'),
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'timestamp': curr['timestamp'],
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'chat': display,
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'username': username,
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'is_group': is_group,
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'sender': sender,
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'type': format_msg_type(curr['msg_type']),
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'type_icon': msg_type_icon(curr['msg_type']),
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'content': summary,
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'unread': curr['unread'],
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'decrypt_ms': round(self.decrypt_ms, 1),
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'pages': self.patched_pages,
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})
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# 按时间排序
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new_msgs.sort(key=lambda m: m['timestamp'])
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for msg in new_msgs:
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with messages_lock:
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messages_log.append(msg)
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if len(messages_log) > MAX_LOG:
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messages_log = messages_log[-MAX_LOG:]
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broadcast_sse(msg)
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try:
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now = time.time()
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msg_age = now - msg['timestamp']
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tag = f"{self.patched_pages}pg/{self.decrypt_ms:.0f}ms"
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sender = msg['sender']
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now_str = datetime.fromtimestamp(now).strftime('%H:%M:%S')
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if sender:
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print(f"[{msg['time']} 延迟={msg_age:.1f}s] [{msg['chat']}] {sender}: {msg['content']} ({tag})", flush=True)
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else:
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print(f"[{msg['time']} 延迟={msg_age:.1f}s] [{msg['chat']}] {msg['content']} ({tag})", flush=True)
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except Exception:
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pass # Windows CMD编码问题，不影响SSE推送
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self.prev_state = curr_state
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def monitor_thread(enc_key, session_db, contact_names):
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mon = SessionMonitor(enc_key, session_db, contact_names)
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wal_path = mon.wal_path
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# 初始全量解密
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pages, ms = full_decrypt(session_db, DECRYPTED_SESSION, enc_key)
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wal_patched = 0
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wal_ms = 0
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if os.path.exists(wal_path):
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wal_patched, wal_ms = decrypt_wal_full(wal_path, DECRYPTED_SESSION, enc_key)
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print(f"[init] DB {pages}页/{ms:.0f}ms + WAL {wal_patched}页/{wal_ms:.0f}ms", flush=True)
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else:
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print(f"[init] DB {pages}页/{ms:.0f}ms", flush=True)
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mon.prev_state = mon.query_state()
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print(f"[monitor] 跟踪 {len(mon.prev_state)} 个会话", flush=True)
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print(f"[monitor] mtime轮询模式 (每{POLL_MS}ms)", flush=True)
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# mtime-based 轮询: WAL是预分配固定大小，不能用size检测
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poll_interval = POLL_MS / 1000
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prev_wal_mtime = os.path.getmtime(wal_path) if os.path.exists(wal_path) else 0
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prev_db_mtime = os.path.getmtime(session_db)
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while True:
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time.sleep(poll_interval)
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try:
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# 用mtime检测WAL和DB变化
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try:
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wal_mtime = os.path.getmtime(wal_path) if os.path.exists(wal_path) else 0
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db_mtime = os.path.getmtime(session_db)
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except OSError:
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continue
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if wal_mtime == prev_wal_mtime and db_mtime == prev_db_mtime:
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continue # 无变化
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t_detect = time.perf_counter()
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wal_changed = wal_mtime != prev_wal_mtime
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db_changed = db_mtime != prev_db_mtime
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mon.check_updates()
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t_done = time.perf_counter()
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try:
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detect_str = datetime.now().strftime('%H:%M:%S.%f')[:-3]
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print(f" [{detect_str}] WAL={'变' if wal_changed else '-'} DB={'变' if db_changed else '-'} 总耗时={(t_done-t_detect)*1000:.1f}ms", flush=True)
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except Exception:
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pass
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prev_wal_mtime = wal_mtime
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prev_db_mtime = db_mtime
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except Exception as e:
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print(f"[poll] 错误: {e}", flush=True)
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time.sleep(1)
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# ============ Web ============
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HTML_PAGE = '''<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>微信消息监听</title>
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<style>
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*{margin:0;padding:0;box-sizing:border-box}
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body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:#0a0a0f;color:#e0e0e0;height:100vh;display:flex;flex-direction:column}
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.header{background:linear-gradient(135deg,#1a1a2e,#16213e);padding:14px 24px;border-bottom:1px solid rgba(255,255,255,.08);display:flex;align-items:center;gap:12px;flex-shrink:0}
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.header h1{font-size:18px;font-weight:600;background:linear-gradient(90deg,#4fc3f7,#81c784);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
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.status{font-size:12px;padding:4px 10px;border-radius:12px;transition:all .3s}
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.status.ok{background:rgba(76,175,80,.15);color:#81c784;border:1px solid rgba(76,175,80,.3)}
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.status.ok::before{content:'';display:inline-block;width:6px;height:6px;border-radius:50%;background:#4caf50;margin-right:6px;animation:pulse 2s infinite}
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.status.err{background:rgba(244,67,54,.15);color:#ef9a9a;border:1px solid rgba(244,67,54,.3)}
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@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
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.stats{margin-left:auto;font-size:12px;color:#666;display:flex;gap:16px}
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.messages{flex:1;overflow-y:auto;padding:12px}
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.msg{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:10px 14px;margin-bottom:5px;transition:transform .3s ease}
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.msg:hover{background:rgba(255,255,255,.05)}
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.msg.hl{border-left:3px solid #4fc3f7;background:rgba(79,195,247,.05);animation:slideIn .3s cubic-bezier(.22,1,.36,1)}
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@keyframes slideIn{from{opacity:0;transform:translateY(-20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
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.msg-header{display:flex;align-items:center;gap:8px;margin-bottom:3px}
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.msg-time{font-size:11px;color:#555;font-family:"SF Mono",Monaco,monospace;min-width:55px}
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.msg-chat{font-weight:600;color:#4fc3f7;font-size:13px;max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
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.msg-chat.grp{color:#ce93d8}
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.msg-sender{font-size:12px;color:#999}
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.msg-r{margin-left:auto;display:flex;gap:6px;align-items:center}
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.msg-type{font-size:10px;padding:2px 5px;border-radius:3px;background:rgba(255,255,255,.06);color:#777}
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.msg-unread{font-size:10px;padding:1px 6px;border-radius:8px;background:rgba(244,67,54,.2);color:#ef9a9a;font-weight:600}
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.msg-perf{font-size:9px;color:#333}
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.msg-content{font-size:13px;line-height:1.4;color:#bbb;word-break:break-all;padding-left:63px}
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.empty{text-align:center;padding:80px 20px;color:#444}
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.empty .icon{font-size:48px;margin-bottom:12px}
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::-webkit-scrollbar{width:4px}
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::-webkit-scrollbar-thumb{background:rgba(255,255,255,.08);border-radius:2px}
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</style>
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</head>
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<body>
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<div class="header">
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<h1>WeChat Monitor</h1>
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<div class="status ok" id="st">SSE 实时</div>
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<div class="stats"><span id="cnt">0 消息</span><span id="perf"></span></div>
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</div>
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<div class="messages" id="msgs">
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<div class="empty" id="empty"><div class="icon">📡</div><p>等待新消息...</p><p style="margin-top:6px;font-size:11px;color:#333">WAL增量解密 · SSE推送</p></div>
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</div>
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<script>
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let n=0;
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const M=document.getElementById('msgs'), S=document.getElementById('st');
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const seen = new Set(); // 去重: timestamp+username
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let sseReady = false;
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function esc(s){const d=document.createElement('div');d.textContent=s;return d.innerHTML}
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function addMsg(m, animate){
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// 去重
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const key = m.timestamp + '|' + (m.username||m.chat);
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if(seen.has(key)) return;
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seen.add(key);
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const x=document.getElementById('empty');
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if(x) x.remove();
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n++;
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document.getElementById('cnt').textContent=n+' 消息';
|
||
if(m.decrypt_ms!=null) document.getElementById('perf').textContent=m.pages+'页/'+m.decrypt_ms+'ms';
|
||
|
||
const d=document.createElement('div');
|
||
d.className = animate ? 'msg hl' : 'msg';
|
||
|
||
const sn=m.sender?`<span class="msg-sender">${esc(m.sender)}</span>`:'';
|
||
const ur=m.unread>0?`<span class="msg-unread">${m.unread}</span>`:'';
|
||
const cc=m.is_group?'msg-chat grp':'msg-chat';
|
||
|
||
d.innerHTML=`<div class="msg-header"><span class="msg-time">${m.time}</span><span class="${cc}">${esc(m.chat)}</span>${sn}<div class="msg-r"><span class="msg-type">${m.type_icon} ${m.type}</span>${ur}</div></div><div class="msg-content">${esc(m.content||'')}</div>`;
|
||
|
||
M.insertBefore(d, M.firstChild);
|
||
|
||
if(animate){
|
||
setTimeout(()=>d.classList.remove('hl'), 3000);
|
||
document.title='('+n+') 微信监听';
|
||
}
|
||
|
||
// 限制最多200条
|
||
while(M.children.length>200) M.removeChild(M.lastChild);
|
||
}
|
||
|
||
function connectSSE(){
|
||
const es=new EventSource('/stream');
|
||
es.onopen=()=>{
|
||
S.textContent='SSE 实时';
|
||
S.className='status ok';
|
||
sseReady=true;
|
||
};
|
||
es.onmessage=ev=>{
|
||
addMsg(JSON.parse(ev.data), true); // 新消息有动画
|
||
};
|
||
es.onerror=()=>{
|
||
S.textContent='重连...';
|
||
S.className='status err';
|
||
sseReady=false;
|
||
es.close();
|
||
setTimeout(connectSSE, 2000); // 重连不清页面
|
||
};
|
||
}
|
||
|
||
// 启动: 加载历史(无动画) → 连接SSE(有动画)
|
||
fetch('/api/history').then(r=>r.json()).then(ms=>{
|
||
ms.sort((a,b)=>a.timestamp-b.timestamp);
|
||
ms.forEach(m=>addMsg(m, false)); // 历史消息无动画
|
||
connectSSE();
|
||
});
|
||
</script>
|
||
</body>
|
||
</html>'''
|
||
|
||
|
||
class Handler(BaseHTTPRequestHandler):
|
||
def log_message(self, *a): pass
|
||
def handle(self):
|
||
try:
|
||
super().handle()
|
||
except (ConnectionAbortedError, ConnectionResetError, BrokenPipeError, OSError):
|
||
pass # 浏览器关闭连接，正常
|
||
|
||
def do_GET(self):
|
||
if self.path in ('/', '/index.html'):
|
||
self.send_response(200)
|
||
self.send_header('Content-Type', 'text/html; charset=utf-8')
|
||
self.end_headers()
|
||
self.wfile.write(HTML_PAGE.encode('utf-8'))
|
||
|
||
elif self.path == '/api/history':
|
||
with messages_lock:
|
||
data = sorted(messages_log, key=lambda m: m.get('timestamp', 0))
|
||
self.send_response(200)
|
||
self.send_header('Content-Type', 'application/json; charset=utf-8')
|
||
self.end_headers()
|
||
self.wfile.write(json.dumps(data, ensure_ascii=False).encode('utf-8'))
|
||
|
||
elif self.path == '/stream':
|
||
self.send_response(200)
|
||
self.send_header('Content-Type', 'text/event-stream')
|
||
self.send_header('Cache-Control', 'no-cache')
|
||
self.send_header('Connection', 'keep-alive')
|
||
self.end_headers()
|
||
|
||
q = queue.Queue()
|
||
with sse_lock:
|
||
sse_clients.append(q)
|
||
try:
|
||
while True:
|
||
try:
|
||
payload = q.get(timeout=15)
|
||
self.wfile.write(payload.encode('utf-8'))
|
||
self.wfile.flush()
|
||
except queue.Empty:
|
||
self.wfile.write(b': hb\n\n')
|
||
self.wfile.flush()
|
||
except:
|
||
pass
|
||
finally:
|
||
with sse_lock:
|
||
if q in sse_clients:
|
||
sse_clients.remove(q)
|
||
else:
|
||
self.send_error(404)
|
||
|
||
|
||
class ThreadedServer(ThreadingMixIn, HTTPServer):
|
||
daemon_threads = True
|
||
|
||
|
||
def main():
|
||
print("=" * 60, flush=True)
|
||
print(" 微信实时监听 (WAL增量 + SSE推送)", flush=True)
|
||
print("=" * 60, flush=True)
|
||
|
||
with open(KEYS_FILE) as f:
|
||
keys = json.load(f)
|
||
|
||
enc_key = bytes.fromhex(keys["session\\session.db"]["enc_key"])
|
||
session_db = os.path.join(DB_DIR, "session", "session.db")
|
||
|
||
print("加载联系人...", flush=True)
|
||
contact_names = load_contact_names()
|
||
print(f"已加载 {len(contact_names)} 个联系人", flush=True)
|
||
|
||
t = threading.Thread(target=monitor_thread, args=(enc_key, session_db, contact_names), daemon=True)
|
||
t.start()
|
||
|
||
server = ThreadedServer(('0.0.0.0', PORT), Handler)
|
||
print(f"\n=> http://localhost:{PORT}", flush=True)
|
||
print("Ctrl+C 停止\n", flush=True)
|
||
|
||
try:
|
||
os.system(f'cmd.exe /c start http://localhost:{PORT}')
|
||
except:
|
||
pass
|
||
|
||
try:
|
||
server.serve_forever()
|
||
except KeyboardInterrupt:
|
||
print("\n已停止")
|
||
|
||
|
||
if __name__ == '__main__':
|
||
main()
|