File size: 10,684 Bytes
b4143a2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 | """
Computer Auditor — Python backend (FastAPI).
Hot paths: directory listing with recursive sizes, large-file scan, processes, drives, system, network.
Binds to 127.0.0.1 only. Started by Electron with: python -m uvicorn main:app --host 127.0.0.1 --port <port>
"""
from __future__ import annotations
import os
import platform
import socket
import sys
import tempfile
import time
from concurrent.futures import ThreadPoolExecutor, as_completed
from typing import Any
import psutil
from fastapi import FastAPI, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel, Field
MAX_FILES_WALK = 200_000
app = FastAPI(title="Computer Auditor API", version="1.0.0")
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
def measure_folder_bytes(root: str) -> tuple[int, int, bool]:
"""Recursive file byte total under root. Returns (bytes, file_count, truncated)."""
total = 0
n = 0
truncated = False
for dirpath, _dirnames, filenames in os.walk(root):
for fn in filenames:
if n >= MAX_FILES_WALK:
return total, n, True
fp = os.path.join(dirpath, fn)
try:
total += os.path.getsize(fp)
n += 1
except OSError:
pass
return total, n, False
class ListDirBody(BaseModel):
path: str
max_entries: int = Field(default=800, ge=1, le=5000)
class FolderSizeBody(BaseModel):
path: str
class LargeFilesBody(BaseModel):
path: str
min_bytes: int = Field(ge=0)
max_results: int = Field(default=80, ge=1, le=500)
@app.get("/health")
def health() -> dict[str, str]:
return {"status": "ok"}
@app.post("/api/list_dir")
def api_list_dir(body: ListDirBody) -> list[dict[str, Any]]:
try:
root = os.path.abspath(os.path.normpath(body.path))
except Exception as e:
raise HTTPException(400, str(e)) from e
if not os.path.isdir(root):
raise HTTPException(400, "not a directory")
max_e = min(body.max_entries, 5000)
try:
with os.scandir(root) as it:
raw = list(it)[:max_e]
except OSError as e:
return [
{
"name": os.path.basename(root),
"fullPath": root,
"isDirectory": False,
"sizeBytes": 0,
"mtimeMs": 0,
"error": str(e),
}
]
dirs = [e for e in raw if e.is_dir(follow_symlinks=False)]
file_entries = [e for e in raw if not e.is_dir(follow_symlinks=False)]
out: list[dict[str, Any]] = []
for e in file_entries:
try:
st = e.stat(follow_symlinks=False)
out.append(
{
"name": e.name,
"fullPath": e.path,
"isDirectory": False,
"sizeBytes": st.st_size,
"mtimeMs": int(st.st_mtime * 1000),
}
)
except OSError as ex:
out.append(
{
"name": e.name,
"fullPath": e.path,
"isDirectory": False,
"sizeBytes": 0,
"mtimeMs": 0,
"error": str(ex),
}
)
workers = min(8, max(1, len(dirs)))
if dirs:
with ThreadPoolExecutor(max_workers=workers) as ex:
future_to_ent = {ex.submit(measure_folder_bytes, d.path): d for d in dirs}
for fut in as_completed(future_to_ent):
d = future_to_ent[fut]
try:
bytes_total, _n, truncated = fut.result()
try:
st = os.stat(d.path)
mtime_ms = int(st.st_mtime * 1000)
except OSError:
mtime_ms = 0
out.append(
{
"name": d.name,
"fullPath": d.path,
"isDirectory": True,
"sizeBytes": bytes_total,
"mtimeMs": mtime_ms,
"sizeTruncated": truncated,
}
)
except Exception as ex: # noqa: BLE001
out.append(
{
"name": d.name,
"fullPath": d.path,
"isDirectory": True,
"sizeBytes": 0,
"mtimeMs": 0,
"error": str(ex),
}
)
out.sort(
key=lambda x: (
0 if x.get("isDirectory") else 1,
-int(x.get("sizeBytes") or 0),
str(x.get("name") or ""),
)
)
return out
@app.post("/api/folder_size")
def api_folder_size(body: FolderSizeBody) -> dict[str, Any]:
try:
root = os.path.abspath(os.path.normpath(body.path))
except Exception as e:
raise HTTPException(400, str(e)) from e
if not os.path.isdir(root):
raise HTTPException(400, "not a directory")
b, n, t = measure_folder_bytes(root)
return {"bytes": b, "files": n, "truncated": t}
@app.post("/api/large_files")
def api_large_files(body: LargeFilesBody) -> list[dict[str, Any]]:
try:
root = os.path.abspath(os.path.normpath(body.path))
except Exception as e:
raise HTTPException(400, str(e)) from e
if not os.path.isdir(root):
raise HTTPException(400, "not a directory")
cap = min(body.max_results, 500)
results: list[dict[str, Any]] = []
for dirpath, _dn, filenames in os.walk(root):
for fn in filenames:
if len(results) >= cap:
break
fp = os.path.join(dirpath, fn)
try:
sz = os.path.getsize(fp)
if sz >= body.min_bytes:
results.append({"path": fp, "sizeBytes": sz})
except OSError:
pass
if len(results) >= cap:
break
results.sort(key=lambda x: -x["sizeBytes"])
return results[:cap]
@app.get("/api/processes")
def api_processes() -> list[dict[str, Any]]:
rows: list[dict[str, Any]] = []
for p in psutil.process_iter(
["pid", "name", "memory_info", "cpu_times", "cmdline"]
):
try:
info = p.info
mi = info.get("memory_info")
rss = mi.rss if mi else 0
ct = info.get("cpu_times")
cpu_s = None
if ct:
cpu_s = round(ct.user + ct.system, 2)
cmd = info.get("cmdline") or []
cmdline = " ".join(cmd) if isinstance(cmd, list) else str(cmd)
if len(cmdline) > 8000:
cmdline = cmdline[:8000] + "…"
rows.append(
{
"pid": int(info["pid"]),
"name": str(info.get("name") or ""),
"memoryBytes": int(rss),
"cpuSeconds": cpu_s,
"commandLine": cmdline,
}
)
except (psutil.NoSuchProcess, psutil.AccessDenied):
continue
return rows
@app.get("/api/drives")
def api_drives() -> list[dict[str, Any]]:
out: list[dict[str, Any]] = []
for part in psutil.disk_partitions(all=False):
if os.name == "nt" and "cdrom" in (part.opts or "").lower():
continue
try:
u = psutil.disk_usage(part.mountpoint)
dev = part.device.rstrip("\\/")
out.append(
{
"letter": dev if dev else part.mountpoint,
"mount": part.mountpoint,
"label": part.fstype or "",
"totalBytes": int(u.total),
"freeBytes": int(u.free),
"usedBytes": int(u.used),
}
)
except OSError:
continue
return out
@app.get("/api/system")
def api_system() -> dict[str, Any]:
vm = psutil.virtual_memory()
boot = psutil.boot_time()
try:
user = os.getlogin()
except OSError:
user = os.environ.get("USERNAME", os.environ.get("USER", ""))
cpus = os.cpu_count() or 1
model = ""
if platform.system() == "Windows":
try:
import ctypes # noqa: PLC0415
buf = ctypes.create_unicode_buffer(256)
if ctypes.windll.kernel32.GetEnvironmentVariableW("PROCESSOR_IDENTIFIER", buf, 256):
model = buf.value
except Exception: # noqa: BLE001
model = platform.processor() or ""
else:
model = platform.processor() or ""
return {
"hostname": socket.gethostname(),
"platform": sys.platform,
"release": platform.release(),
"arch": platform.machine(),
"uptimeSec": time.time() - boot,
"totalMem": int(vm.total),
"freeMem": int(vm.available),
"cpuModel": model,
"cpuCount": cpus,
"load1": 0.0,
"load5": 0.0,
"load15": 0.0,
"userInfo": user,
"homedir": str(os.path.expanduser("~")),
"tmpdir": tempfile.gettempdir(),
}
@app.get("/api/network")
def api_network() -> list[dict[str, Any]]:
rows: list[dict[str, Any]] = []
link_fam = getattr(psutil, "AF_LINK", None)
for name, addrs in psutil.net_if_addrs().items():
for a in addrs:
if a.family == socket.AF_INET:
fam_s = "IPv4"
elif a.family == socket.AF_INET6:
fam_s = "IPv6"
elif link_fam is not None and a.family == link_fam:
fam_s = "MAC"
else:
fam_s = str(a.family)
addr = a.address
internal = addr.startswith("127.") or addr == "::1"
mac = addr if fam_s == "MAC" else None
rows.append(
{
"name": name,
"address": addr,
"family": fam_s,
"internal": internal,
"mac": mac,
}
)
return rows
@app.get("/api/env")
def api_env() -> dict[str, str]:
return dict(os.environ)
if __name__ == "__main__":
import uvicorn # noqa: PLC0415
port = int(os.environ.get("AUDITOR_PY_PORT", "54789"))
uvicorn.run(app, host="127.0.0.1", port=port, log_level="warning")
|