# coding: utf-8 from __future__ import print_function, unicode_literals import errno import hashlib import json import math import os import re import shutil import stat import subprocess as sp import tempfile import threading import time import traceback from copy import deepcopy from queue import Queue from .__init__ import ANYWIN, PY2, TYPE_CHECKING, WINDOWS, E from .authsrv import LEELOO_DALLAS, SEESLOG, VFS, AuthSrv from .bos import bos from .cfg import vf_bmap, vf_cmap, vf_vmap from .fsutil import Fstab from .mtag import MParser, MTag from .util import ( HAVE_SQLITE3, SYMTIME, VF_CAREFUL, Daemon, MTHash, Pebkac, ProgressPrinter, absreal, alltrace, atomic_move, db_ex_chk, dir_is_empty, djoin, fsenc, gen_filekey, gen_filekey_dbg, gzip, hidedir, humansize, min_ex, pathmod, quotep, rand_name, ren_open, rmdirs, rmdirs_up, runhook, runihook, s2hms, s3dec, s3enc, sanitize_fn, sfsenc, spack, statdir, ub64enc, unhumanize, vjoin, vsplit, w8b64dec, w8b64enc, wunlink, ) try: from pathlib import Path except: pass if HAVE_SQLITE3: import sqlite3 DB_VER = 5 if TYPE_CHECKING: from .svchub import SvcHub zsg = "avif,avifs,bmp,gif,heic,heics,heif,heifs,ico,j2p,j2k,jp2,jpeg,jpg,jpx,png,tga,tif,tiff,webp" ICV_EXTS = set(zsg.split(",")) zsg = "3gp,asf,av1,avc,avi,flv,m4v,mjpeg,mjpg,mkv,mov,mp4,mpeg,mpeg2,mpegts,mpg,mpg2,mts,nut,ogm,ogv,rm,vob,webm,wmv" VCV_EXTS = set(zsg.split(",")) zsg = "nohash noidx xdev xvol" VF_AFFECTS_INDEXING = set(zsg.split(" ")) SBUSY = "cannot receive uploads right now;\nserver busy with %s.\nPlease wait; the client will retry..." HINT_HISTPATH = "you could try moving the database to another location (preferably an SSD or NVME drive) using either the --hist argument (global option for all volumes), or the hist volflag (just for this volume), or, if you want to keep the thumbnails in the current location and only move the database itself, then use --dbpath or volflag dbpath" NULLSTAT = os.stat_result((0, -1, -1, 0, 0, 0, 0, 0, 0, 0)) class Dbw(object): def __init__(self, c , n , nf , t ) : self.c = c self.n = n self.nf = nf self.t = t class Mpqe(object): """pending files to tag-scan""" def __init__( self, mtp , entags , w , abspath , oth_tags , ): # mtp empty = mtag self.mtp = mtp self.entags = entags self.w = w self.abspath = abspath self.oth_tags = oth_tags class Up2k(object): def __init__(self, hub ) : self.hub = hub self.asrv = hub.asrv self.args = hub.args self.log_func = hub.log self.vfs = self.asrv.vfs self.acct = self.asrv.acct self.iacct = self.asrv.iacct self.grps = self.asrv.grps self.salt = self.args.warksalt self.r_hash = re.compile("^[0-9a-zA-Z_-]{44}$") self.gid = 0 self.gt0 = 0 self.gt1 = 0 self.stop = False self.mutex = threading.Lock() self.reload_mutex = threading.Lock() self.reload_flag = 0 self.reloading = False self.blocked = None self.pp = None self.rescan_cond = threading.Condition() self.need_rescan = set() self.db_act = 0.0 self.reg_mutex = threading.Lock() self.registry = {} self.flags = {} self.droppable = {} self.volnfiles = {} self.volsize = {} self.volstate = {} self.vol_act = {} self.busy_aps = {} self.dupesched = {} self.snap_prev = {} self.mtag = None self.entags = {} self.mtp_parsers = {} self.pending_tags = [] self.hashq = Queue() self.tagq = Queue() self.tag_event = threading.Condition() self.hashq_mutex = threading.Lock() self.n_hashq = 0 self.n_tagq = 0 self.mpool_used = False self.xiu_ptn = re.compile(r"(?:^|,)i([0-9]+)") self.xiu_busy = False # currently running hook self.xiu_asleep = True # needs rescan_cond poke to schedule self self.fx_backlog = [] self.cur = {} self.mem_cur = None self.sqlite_ver = None self.no_expr_idx = False self.timeout = int(max(self.args.srch_time, 50) * 1.2) + 1 self.spools = set() if HAVE_SQLITE3: # mojibake detector self.mem_cur = self._orz(":memory:") self.mem_cur.execute(r"create table a (b text)") self.sqlite_ver = tuple([int(x) for x in sqlite3.sqlite_version.split(".")]) if self.sqlite_ver < (3, 9): self.no_expr_idx = True else: t = "could not initialize sqlite3, will use in-memory registry only" self.log(t, 3) self.fstab = Fstab(self.log_func, self.args) self.gen_fk = self._gen_fk if self.args.log_fk else gen_filekey if self.args.hash_mt < 2: self.mth = None else: self.mth = MTHash(self.args.hash_mt) if self.args.no_fastboot: self.deferred_init() def init_vols(self) : if self.args.no_fastboot: return Daemon(self.deferred_init, "up2k-deferred-init") def unpp(self) : self.gt1 = time.time() if self.pp: self.pp.end = True self.pp = None def reload(self, rescan_all_vols ) : n = 2 if rescan_all_vols else 1 with self.reload_mutex: if self.reload_flag < n: self.reload_flag = n with self.rescan_cond: self.rescan_cond.notify_all() def _reload_thr(self) : while self.pp: time.sleep(0.1) while True: with self.reload_mutex: if not self.reload_flag: break rav = self.reload_flag == 2 self.reload_flag = 0 gt1 = self.gt1 with self.mutex: self._reload(rav) while gt1 == self.gt1 or self.pp: time.sleep(0.1) self.reloading = False def _reload(self, rescan_all_vols ) : """mutex(main) me""" self.log("reload #{} scheduled".format(self.gid + 1)) all_vols = self.asrv.vfs.all_vols with self.reg_mutex: scan_vols = [ k for k, v in all_vols.items() if v.realpath not in self.registry ] if rescan_all_vols: scan_vols = list(all_vols.keys()) self._rescan(all_vols, scan_vols, True, False) def deferred_init(self) : all_vols = self.asrv.vfs.all_vols have_e2d = self.init_indexes(all_vols, [], False) if self.stop: # up-mt consistency not guaranteed if init is interrupted; # drop caches for a full scan on next boot with self.mutex, self.reg_mutex: self._drop_caches() self.unpp() return if not self.pp and self.args.exit == "idx": return self.hub.sigterm() if self.hub.is_dut: return Daemon(self._snapshot, "up2k-snapshot") if have_e2d: Daemon(self._hasher, "up2k-hasher") Daemon(self._sched_rescan, "up2k-rescan") if self.mtag: for n in range(max(1, self.args.mtag_mt)): Daemon(self._tagger, "tagger-{}".format(n)) def log(self, msg , c = 0) : if self.pp: msg += "\033[K" self.log_func("up2k", msg, c) def _gen_fk(self, alg , salt , fspath , fsize , inode ) : return gen_filekey_dbg( alg, salt, fspath, fsize, inode, self.log, self.args.log_fk ) def _block(self, why ) : self.blocked = why self.log("uploads temporarily blocked due to " + why, 3) def _unblock(self) : if self.blocked is not None: self.blocked = None if not self.stop: self.log("uploads are now possible", 2) def get_state(self, get_q , uname ) : mtpq = 0 ups = [] up_en = not self.args.no_up_list q = "select count(w) from mt where k = 't:mtp'" got_lock = False if PY2 else self.mutex.acquire(timeout=0.5) if got_lock: try: for cur in self.cur.values() if get_q else []: try: mtpq += cur.execute(q).fetchone()[0] except: pass if uname and up_en: ups = self._active_uploads(uname) finally: self.mutex.release() else: mtpq = "(?)" if up_en: ups = [(1, 0, 0, time.time(), "cannot show list (server too busy)")] if PY2: ups = [] ups.sort(reverse=True) ret = { "volstate": self.volstate, "scanning": bool(self.pp), "hashq": self.n_hashq, "tagq": self.n_tagq, "mtpq": mtpq, "ups": ups, "dbwu": "{:.2f}".format(self.db_act), "dbwt": "{:.2f}".format( min(1000 * 24 * 60 * 60 - 1, time.time() - self.db_act) ), } return json.dumps(ret, separators=(",\n", ": ")) def _active_uploads(self, uname ) : ret = [] for vtop in self.vfs.aread.get(uname) or []: vfs = self.vfs.all_vols.get(vtop) if not vfs: # dbv only continue ptop = vfs.realpath tab = self.registry.get(ptop) if not tab: continue for job in tab.values(): ineed = len(job["need"]) ihash = len(job["hash"]) if ineed == ihash or not ineed: continue poke = job["poke"] zt = ( ineed / ihash, job["size"], int(job.get("t0c", poke)), int(poke), djoin(vtop, job["prel"], job["name"]), ) ret.append(zt) return ret def find_job_by_ap(self, ptop , ap ) : try: if ANYWIN: ap = ap.replace("\\", "/") vp = ap[len(ptop) :].strip("/") dn, fn = vsplit(vp) with self.reg_mutex: tab2 = self.registry[ptop] for job in tab2.values(): if job["prel"] == dn and job["name"] == fn: return json.dumps(job, separators=(",\n", ": ")) except: pass return "{}" def get_unfinished_by_user(self, uname, ip) : # returns dict due to ExceptionalQueue if PY2 or not self.reg_mutex.acquire(timeout=2): return {"timeout": 1} ret = [] userset = set([(uname or "\n"), "*"]) n = 1000 try: for ptop, tab2 in self.registry.items(): cfg = self.flags.get(ptop, {}).get("u2abort", 1) if not cfg: continue addr = (ip or "\n") if cfg in (1, 2) else "" user = userset if cfg in (1, 3) else None for job in tab2.values(): if ( "done" in job or (user and job["user"] not in user) or (addr and addr != job["addr"]) ): continue zt5 = ( int(job["t0"]), djoin(job["vtop"], job["prel"], job["name"]), job["size"], len(job["need"]), len(job["hash"]), ) ret.append(zt5) n -= 1 if not n: break finally: self.reg_mutex.release() if ANYWIN: ret = [(x[0], x[1].replace("\\", "/"), x[2], x[3], x[4]) for x in ret] ret.sort(reverse=True) ret2 = [ { "at": at, "vp": "/" + quotep(vp), "pd": 100 - ((nn * 100) // (nh or 1)), "sz": sz, } for (at, vp, sz, nn, nh) in ret ] return {"f": ret2} def get_unfinished(self) : if PY2 or not self.reg_mutex.acquire(timeout=0.5): return "" ret = {} try: for ptop, tab2 in self.registry.items(): nbytes = 0 nfiles = 0 for job in tab2.values(): if "done" in job: continue nfiles += 1 try: # close enough on average nbytes += len(job["need"]) * job["size"] // len(job["hash"]) except: pass ret[ptop] = (nbytes, nfiles) finally: self.reg_mutex.release() return json.dumps(ret, separators=(",\n", ": ")) def get_volsize(self, ptop ) : with self.reg_mutex: return self._get_volsize(ptop) def get_volsizes(self, ptops ) : ret = [] with self.reg_mutex: for ptop in ptops: ret.append(self._get_volsize(ptop)) return ret def _get_volsize(self, ptop ) : if "e2ds" not in self.flags.get(ptop, {}): return (0, 0) cur = self.cur[ptop] nbytes = self.volsize[cur] nfiles = self.volnfiles[cur] for j in list(self.registry.get(ptop, {}).values()): nbytes += j["size"] nfiles += 1 return (nbytes, nfiles) def rescan( self, all_vols , scan_vols , wait , fscan ) : with self.mutex: return self._rescan(all_vols, scan_vols, wait, fscan) def _rescan( self, all_vols , scan_vols , wait , fscan ) : """mutex(main) me""" if not wait and self.pp: return "cannot initiate; scan is already in progress" self.gid += 1 Daemon( self.init_indexes, "up2k-rescan-{}".format(scan_vols[0] if scan_vols else "all"), (all_vols, scan_vols, fscan, self.gid), ) return "" def _sched_rescan(self) : volage = {} cooldown = timeout = time.time() + 3.0 while not self.stop: now = time.time() timeout = max(timeout, cooldown) wait = timeout - time.time() # self.log("SR in {:.2f}".format(wait), 5) with self.rescan_cond: self.rescan_cond.wait(wait) if self.stop: return with self.reload_mutex: if self.reload_flag and not self.reloading: self.reloading = True zs = "up2k-reload-%d" % (self.gid,) Daemon(self._reload_thr, zs) now = time.time() if now < cooldown: # self.log("SR: cd - now = {:.2f}".format(cooldown - now), 5) timeout = cooldown # wakeup means stuff to do, forget timeout continue if self.pp: # self.log("SR: pp; cd := 1", 5) cooldown = now + 1 continue cooldown = now + 3 # self.log("SR", 5) if self.args.no_lifetime and not self.args.shr: timeout = now + 9001 else: # important; not deferred by db_act timeout = self._check_lifetimes() timeout = min(self._check_forget_ip(), timeout) try: if self.args.shr: timeout = min(self._check_shares(), timeout) except Exception as ex: timeout = min(timeout, now + 60) t = "could not check for expiring shares: %r" self.log(t % (ex,), 1) try: timeout = min(timeout, now + self._check_xiu()) except Exception as ex: if "closed cursor" in str(ex): self.log("sched_rescan: lost db") return raise with self.mutex: for vp, vol in sorted(self.vfs.all_vols.items()): maxage = vol.flags.get("scan") if not maxage: continue if vp not in volage: volage[vp] = now deadline = volage[vp] + maxage if deadline <= now: self.need_rescan.add(vp) timeout = min(timeout, deadline) if self.db_act > now - self.args.db_act and self.need_rescan: # recent db activity; defer volume rescan act_timeout = self.db_act + self.args.db_act if self.need_rescan: timeout = now if timeout < act_timeout: timeout = act_timeout t = "volume rescan deferred {:.1f} sec, due to database activity" self.log(t.format(timeout - now)) continue with self.mutex: vols = list(sorted(self.need_rescan)) self.need_rescan.clear() if vols: cooldown = now + 10 err = self.rescan(self.vfs.all_vols, vols, False, False) if err: for v in vols: self.need_rescan.add(v) continue for v in vols: volage[v] = now def _check_forget_ip(self) : now = time.time() timeout = now + 9001 for vp, vol in sorted(self.vfs.all_vols.items()): maxage = vol.flags["forget_ip"] if not maxage: continue cur = self.cur.get(vol.realpath) if not cur: continue cutoff = now - maxage * 60 for _ in range(2): q = "select ip, at from up where ip > '' order by +at limit 1" hits = cur.execute(q).fetchall() if not hits: break remains = hits[0][1] - cutoff if remains > 0: timeout = min(timeout, now + remains) break q = "update up set ip = '' where ip > '' and at <= %d" cur.execute(q % (cutoff,)) zi = cur.rowcount cur.connection.commit() t = "forget-ip(%d) removed %d IPs from db [/%s]" self.log(t % (maxage, zi, vol.vpath)) timeout = min(timeout, now + 900) return timeout def _check_lifetimes(self) : now = time.time() timeout = now + 9001 for vp, vol in sorted(self.vfs.all_vols.items()): lifetime = vol.flags.get("lifetime") if not lifetime: continue cur = self.cur.get(vol.realpath) if not cur: continue nrm = 0 deadline = time.time() - lifetime timeout = min(timeout, now + lifetime) q = "select rd, fn from up where at > 0 and at < ? limit 100" while True: with self.mutex: hits = cur.execute(q, (deadline,)).fetchall() if not hits: break for rd, fn in hits: if rd.startswith("//") or fn.startswith("//"): rd, fn = s3dec(rd, fn) fvp = ("%s/%s" % (rd, fn)).strip("/") if vp: fvp = "%s/%s" % (vp, fvp) self._handle_rm(LEELOO_DALLAS, "", fvp, [], True, False) nrm += 1 if nrm: self.log("%d files graduated in /%s" % (nrm, vp)) if timeout < 10: continue q = "select at from up where at > 0 order by at limit 1" with self.mutex: hits = cur.execute(q).fetchone() if hits: timeout = min(timeout, now + lifetime - (now - hits[0])) return timeout def _check_shares(self) : now = time.time() timeout = now + 9001 maxage = self.args.shr_rt * 60 low = now - maxage vn = self.vfs.nodes.get(self.args.shr.strip("/")) active = vn and vn.nodes db = sqlite3.connect(self.args.shr_db, timeout=2) cur = db.cursor() q = "select k from sh where t1 and t1 <= ?" rm = [x[0] for x in cur.execute(q, (now,))] if active else [] if rm: assert vn and vn.nodes # type: ignore # self.log("chk_shr: %d" % (len(rm),)) zss = set(rm) rm = [zs for zs in vn.nodes if zs in zss] reload = bool(rm) if reload: self.log("disabling expired shares %s" % (rm,)) rm = [x[0] for x in cur.execute(q, (low,))] if rm: self.log("forgetting expired shares %s" % (rm,)) cur.executemany("delete from sh where k=?", [(x,) for x in rm]) cur.executemany("delete from sf where k=?", [(x,) for x in rm]) db.commit() if reload: Daemon(self.hub.reload, "sharedrop", (False, False)) q = "select min(t1) from sh where t1 > ?" (earliest,) = cur.execute(q, (1,)).fetchone() if earliest: # deadline for revoking regular access timeout = min(timeout, earliest + maxage) (earliest,) = cur.execute(q, (now - 2,)).fetchone() if earliest: # deadline for revival; drop entirely timeout = min(timeout, earliest) cur.close() db.close() if self.args.shr_v: self.log("next shr_chk = %d (%d)" % (timeout, timeout - time.time())) return timeout def _check_xiu(self) : if self.xiu_busy: return 2 ret = 9001 for _, vol in sorted(self.vfs.all_vols.items()): rp = vol.realpath cur = self.cur.get(rp) if not cur: continue with self.mutex: q = "select distinct c from iu" cds = cur.execute(q).fetchall() if not cds: continue run_cds = [] for cd in sorted([x[0] for x in cds]): delta = cd - (time.time() - self.vol_act[rp]) if delta > 0: ret = min(ret, delta) break run_cds.append(cd) if run_cds: self.xiu_busy = True Daemon(self._run_xius, "xiu", (vol, run_cds)) return 2 return ret def _run_xius(self, vol , cds ): for cd in cds: self._run_xiu(vol, cd) self.xiu_busy = False self.xiu_asleep = True def _run_xiu(self, vol , cd ): rp = vol.realpath cur = self.cur[rp] # t0 = time.time() with self.mutex: q = "select w,rd,fn from iu where c={} limit 80386" wrfs = cur.execute(q.format(cd)).fetchall() if not wrfs: return # dont wanna rebox so use format instead of prepared q = "delete from iu where w=? and +rd=? and +fn=? and +c={}" cur.executemany(q.format(cd), wrfs) cur.connection.commit() q = "select * from up where substr(w,1,16)=? and +rd=? and +fn=?" ups = [] for wrf in wrfs: up = cur.execute(q, wrf).fetchone() if up: ups.append(up) # t1 = time.time() # self.log("mapped {} warks in {:.3f} sec".format(len(wrfs), t1 - t0)) # "mapped 10989 warks in 0.126 sec" cmds = self.flags[rp]["xiu"] for cmd in cmds: m = self.xiu_ptn.search(cmd) ccd = int(m.group(1)) if m else 5 if ccd != cd: continue self.log("xiu: %d# %r" % (len(wrfs), cmd)) runihook(self.log, self.args.hook_v, cmd, vol, ups) def _vis_job_progress(self, job ) : perc = 100 - (len(job["need"]) * 100.0 / (len(job["hash"]) or 1)) path = djoin(job["ptop"], job["prel"], job["name"]) return "{:5.1f}% {}".format(perc, path) def _vis_reg_progress(self, reg ) : ret = [] for _, job in reg.items(): if job["need"]: ret.append(self._vis_job_progress(job)) return ret def _expr_idx_filter(self, flags ) : if not self.no_expr_idx: return False, flags ret = {k: v for k, v in flags.items() if not k.startswith("e2t")} if len(ret) == len(flags): return False, flags return True, ret def init_indexes( self, all_vols , scan_vols , fscan , gid = 0 ) : if not gid: with self.mutex: gid = self.gid self.gt0 = time.time() nspin = 0 while True: nspin += 1 if nspin > 1: time.sleep(0.1) with self.mutex: if gid != self.gid: return False if self.pp: continue self.pp = ProgressPrinter(self.log, self.args) if not self.hub.is_dut: self.pp.start() break if gid: self.log("reload #%d running" % (gid,)) self.vfs = self.asrv.vfs self.acct = self.asrv.acct self.iacct = self.asrv.iacct self.grps = self.asrv.grps have_e2d = self.args.idp_h_usr or self.args.chpw or self.args.shr vols = list(all_vols.values()) t0 = time.time() if self.no_expr_idx: modified = False for vol in vols: m, f = self._expr_idx_filter(vol.flags) if m: vol.flags = f modified = True if modified: msg = "disabling -e2t because your sqlite belongs in a museum" self.log(msg, c=3) live_vols = [] with self.mutex, self.reg_mutex: # only need to protect register_vpath but all in one go feels right for vol in vols: try: # mkdir gonna happen at snap anyways; bos.makedirs(vol.realpath, vf=vol.flags) dir_is_empty(self.log_func, not self.args.no_scandir, vol.realpath) except Exception as ex: self.volstate[vol.vpath] = "OFFLINE (cannot access folder)" self.log("cannot access %s: %r" % (vol.realpath, ex), c=1) continue if scan_vols and vol.vpath not in scan_vols: continue if not self.register_vpath(vol.realpath, vol.flags): # self.log("db not enable for {}".format(m, vol.realpath)) continue live_vols.append(vol) if vol.vpath not in self.volstate: self.volstate[vol.vpath] = "OFFLINE (pending initialization)" vols = live_vols need_vac = {} need_mtag = False for vol in vols: if "e2t" in vol.flags: need_mtag = True if need_mtag and not self.mtag: self.mtag = MTag(self.log_func, self.args) if not self.mtag.usable: self.mtag = None # e2ds(a) volumes first if next((zv for zv in vols if "e2ds" in zv.flags), None): self._block("indexing") if self.args.re_dhash or [zv for zv in vols if "e2tsr" in zv.flags]: self.args.re_dhash = False with self.mutex, self.reg_mutex: self._drop_caches() for vol in vols: if self.stop or gid != self.gid: break en = set(vol.flags.get("mte", {})) self.entags[vol.realpath] = en if "e2d" in vol.flags: have_e2d = True if "e2ds" in vol.flags or fscan: self.volstate[vol.vpath] = "busy (hashing files)" _, vac = self._build_file_index(vol, list(all_vols.values())) if vac: need_vac[vol] = True if "e2v" in vol.flags: t = "online (integrity-check pending)" elif "e2ts" in vol.flags: t = "online (tags pending)" else: t = "online, idle" self.volstate[vol.vpath] = t self._unblock() # file contents verification for vol in vols: if self.stop: break if "e2v" not in vol.flags: continue t = "online (verifying integrity)" self.volstate[vol.vpath] = t self.log("{} [{}]".format(t, vol.realpath)) nmod = self._verify_integrity(vol) if nmod: self.log("modified {} entries in the db".format(nmod), 3) need_vac[vol] = True if "e2ts" in vol.flags: t = "online (tags pending)" else: t = "online, idle" self.volstate[vol.vpath] = t # open the rest + do any e2ts(a) needed_mutagen = False for vol in vols: if self.stop: break if "e2ts" not in vol.flags: continue t = "online (reading tags)" self.volstate[vol.vpath] = t self.log("{} [{}]".format(t, vol.realpath)) nadd, nrm, success = self._build_tags_index(vol) if not success: needed_mutagen = True if nadd or nrm: need_vac[vol] = True self.volstate[vol.vpath] = "online (mtp soon)" for vol in need_vac: with self.mutex, self.reg_mutex: reg = self.register_vpath(vol.realpath, vol.flags) cur, _ = reg with self.mutex: cur.connection.commit() cur.execute("vacuum") if self.stop: return False for vol in all_vols.values(): if vol.flags["dbd"] == "acid": continue with self.mutex, self.reg_mutex: reg = self.register_vpath(vol.realpath, vol.flags) try: cur, db_path = reg if bos.path.getsize(db_path + "-wal") < 1024 * 1024 * 5: continue except: continue try: with self.mutex: cur.execute("pragma wal_checkpoint(truncate)") try: cur.execute("commit") # absolutely necessary! for some reason except: pass cur.connection.commit() # this one maybe not except Exception as ex: self.log("checkpoint failed: {}".format(ex), 3) if self.stop: return False self.pp.end = True msg = "{} volumes in {:.2f} sec" self.log(msg.format(len(vols), time.time() - t0)) if needed_mutagen: msg = "could not read tags because no backends are available (Mutagen or FFprobe)" self.log(msg, c=1) t = "online (running mtp)" if self.mtag else "online, idle" for vol in vols: self.volstate[vol.vpath] = t if self.mtag: Daemon(self._run_all_mtp, "up2k-mtp-scan", (gid,)) else: self.unpp() return have_e2d def register_vpath( self, ptop , flags ) : """mutex(main,reg) me""" histpath = self.vfs.dbpaths.get(ptop) if not histpath: self.log("no dbpath for %r" % (ptop,)) return None db_path = os.path.join(histpath, "up2k.db") if ptop in self.registry: try: return self.cur[ptop], db_path except: return None vpath = "?" for k, v in self.vfs.all_vols.items(): if v.realpath == ptop: vpath = k _, flags = self._expr_idx_filter(flags) n4g = bool(flags.get("noforget")) ft = "\033[0;32m{}{:.0}" ff = "\033[0;35m{}{:.0}" fv = "\033[0;36m{}:\033[90m{}" zs = "ext_th_d html_head put_name2 mv_re_r mv_re_t rm_re_r rm_re_t srch_re_dots srch_re_nodot zipmax zipmaxn_v zipmaxs_v" fx = set(zs.split()) fd = vf_bmap() fd.update(vf_cmap()) fd.update(vf_vmap()) fd = {v: k for k, v in fd.items()} fl = { k: v for k, v in flags.items() if k not in fd or ( v != getattr(self.args, fd[k]) and str(v) != str(getattr(self.args, fd[k])) ) } for k1, k2 in vf_cmap().items(): if k1 not in fl or k1 in fx: continue if str(fl[k1]) == str(getattr(self.args, k2)): del fl[k1] else: fl[k1] = ",".join(x for x in fl[k1]) if fl["chmod_d"] == int(self.args.chmod_d, 8): fl.pop("chmod_d") try: if fl["chmod_f"] == int(self.args.chmod_f or "-1", 8): fl.pop("chmod_f") except: pass for k in ("chmod_f", "chmod_d"): try: fl[k] = "%o" % (fl[k]) except: pass a = [ (ft if v is True else ff if v is False else fv).format(k, str(v)) for k, v in fl.items() if k not in fx ] if not a: a = ["\033[90mall-default"] if a: zs = " ".join(sorted(a)) zs = zs.replace("90mre.compile(", "90m(") # nohash self.log("/{} {}".format(vpath + ("/" if vpath else ""), zs), "35") reg = {} drp = None emptylist = [] dotpart = "." if self.args.dotpart else "" snap = os.path.join(histpath, "up2k.snap") if bos.path.exists(snap): with gzip.GzipFile(snap, "rb") as f: j = f.read().decode("utf-8") reg2 = json.loads(j) try: drp = reg2["droppable"] reg2 = reg2["registry"] except: pass reg = reg2 # diff-golf if reg2 and "dwrk" not in reg2[next(iter(reg2))]: for job in reg2.values(): job["dwrk"] = job["wark"] rm = [] for k, job in reg2.items(): job["ptop"] = ptop is_done = "done" in job if is_done: job["need"] = job["hash"] = emptylist else: if "need" not in job: job["need"] = [] if "hash" not in job: job["hash"] = [] if is_done: fp = djoin(ptop, job["prel"], job["name"]) else: fp = djoin(ptop, job["prel"], dotpart + job["name"] + ".PARTIAL") if bos.path.exists(fp): if is_done: continue job["poke"] = time.time() job["busy"] = {} else: self.log("ign deleted file in snap: %r" % (fp,)) if not n4g: rm.append(k) for x in rm: del reg2[x] # optimize pre-1.15.4 entries if next((x for x in reg.values() if "done" in x and "poke" in x), None): zsl = "host tnam busy sprs poke t0c".split() for job in reg.values(): if "done" in job: for k in zsl: job.pop(k, None) if drp is None: drp = [k for k, v in reg.items() if not v["need"]] else: drp = [x for x in drp if x in reg] t = "loaded snap {} |{}| ({})".format(snap, len(reg.keys()), len(drp or [])) ta = [t] + self._vis_reg_progress(reg) self.log("\n".join(ta)) self.flags[ptop] = flags self.vol_act[ptop] = 0.0 self.registry[ptop] = reg self.droppable[ptop] = drp or [] self.regdrop(ptop, "") if not HAVE_SQLITE3 or "e2d" not in flags or "d2d" in flags: return None try: if bos.makedirs(histpath): hidedir(histpath) except Exception as ex: t = "failed to initialize volume '/%s': %s" self.log(t % (vpath, ex), 1) return None try: cur = self._open_db_wd(db_path) # speeds measured uploading 520 small files on a WD20SPZX (SMR 2.5" 5400rpm 4kb) dbd = flags["dbd"] if dbd == "acid": # 217.5s; python-defaults zs = "delete" sync = "full" elif dbd == "swal": # 88.0s; still 99.9% safe (can lose a bit of on OS crash) zs = "wal" sync = "full" elif dbd == "yolo": # 2.7s; may lose entire db on OS crash zs = "wal" sync = "off" else: # 4.1s; corruption-safe but more likely to lose wal zs = "wal" sync = "normal" try: amode = cur.execute("pragma journal_mode=" + zs).fetchone()[0] if amode.lower() != zs.lower(): t = "sqlite failed to set journal_mode {}; got {}" raise Exception(t.format(zs, amode)) except Exception as ex: if sync != "off": sync = "full" t = "reverting to sync={} because {}" self.log(t.format(sync, ex)) cur.execute("pragma synchronous=" + sync) cur.connection.commit() self._verify_db_cache(cur, vpath) self.cur[ptop] = cur self.volsize[cur] = 0 self.volnfiles[cur] = 0 return cur, db_path except: msg = "ERROR: cannot use database at [%s]:\n%s\n\033[33mhint: %s\n" self.log(msg % (db_path, traceback.format_exc(), HINT_HISTPATH), 1) return None def _verify_db_cache(self, cur , vpath ) : # check if list of intersecting volumes changed since last use; drop caches if so prefix = (vpath + "/").lstrip("/") vps = [x for x in self.vfs.all_vols if x.startswith(prefix)] vps.sort() seed = [x[len(prefix) :] for x in vps] # also consider volflags which affect indexing for vp in vps: vf = self.vfs.all_vols[vp].flags vf = {k: v for k, v in vf.items() if k in VF_AFFECTS_INDEXING} seed.append(str(sorted(vf.items()))) zb = hashlib.sha1("\n".join(seed).encode("utf-8", "replace")).digest() vcfg = ub64enc(zb[:18]).decode("ascii") c = cur.execute("select v from kv where k = 'volcfg'") try: (oldcfg,) = c.fetchone() except: oldcfg = "" if oldcfg != vcfg: cur.execute("delete from kv where k = 'volcfg'") cur.execute("delete from dh") cur.execute("delete from cv") cur.execute("insert into kv values ('volcfg',?)", (vcfg,)) cur.connection.commit() def _build_file_index(self, vol , all_vols ) : do_vac = False top = vol.realpath rei = vol.flags.get("noidx") reh = vol.flags.get("nohash") n4g = bool(vol.flags.get("noforget")) ffat = "fat32" in vol.flags cst = bos.stat(top) dev = cst.st_dev if vol.flags.get("xdev") else 0 with self.mutex: with self.reg_mutex: reg = self.register_vpath(top, vol.flags) cur, db_path = reg db = Dbw(cur, 0, 0, time.time()) self.pp.n = next(db.c.execute("select count(w) from up"))[0] excl = [ vol.realpath + "/" + d.vpath[len(vol.vpath) :].lstrip("/") for d in all_vols if d != vol and (d.vpath.startswith(vol.vpath + "/") or not vol.vpath) ] excl += [absreal(x) for x in excl] excl += list(self.vfs.histtab.values()) excl += list(self.vfs.dbpaths.values()) if WINDOWS: excl = [x.replace("/", "\\") for x in excl] else: # ~/.wine/dosdevices/z:/ and such excl.extend(("/dev", "/proc", "/run", "/sys")) excl = list({k: 1 for k in excl}) if self.args.re_dirsz: db.c.execute("delete from ds") db.n += 1 rtop = absreal(top) n_add = n_rm = 0 try: if dir_is_empty(self.log_func, not self.args.no_scandir, rtop): t = "volume /%s at [%s] is empty; will not be indexed as this could be due to an offline filesystem" self.log(t % (vol.vpath, rtop), 6) return True, False if not vol.check_landmarks(): t = "volume /%s at [%s] will not be indexed due to bad landmarks" self.log(t % (vol.vpath, rtop), 6) return True, False n_add, _, _ = self._build_dir( db, top, set(excl), top, rtop, rei, reh, n4g, ffat, [], cst, dev, bool(vol.flags.get("xvol")), ) if not n4g: n_rm = self._drop_lost(db.c, top, excl) except Exception as ex: t = "failed to index volume [{}]:\n{}" self.log(t.format(top, min_ex()), c=1) if db_ex_chk(self.log, ex, db_path): self.hub.log_stacks() if db.n: self.log("commit %d new files; %d updates" % (db.nf, db.n)) if self.args.no_dhash: if db.c.execute("select d from dh").fetchone(): db.c.execute("delete from dh") self.log("forgetting dhashes in {}".format(top)) elif n_add or n_rm: self._set_tagscan(db.c, True) db.c.connection.commit() if ( vol.flags.get("vmaxb") or vol.flags.get("vmaxn") or (self.args.stats and not self.args.nos_vol) ): zs = "select count(sz), sum(sz) from up" vn, vb = db.c.execute(zs).fetchone() vb = vb or 0 vb += vn * 2048 self.volsize[db.c] = vb self.volnfiles[db.c] = vn vmaxb = unhumanize(vol.flags.get("vmaxb") or "0") vmaxn = unhumanize(vol.flags.get("vmaxn") or "0") t = "{:>5} / {:>5} ( {:>5} / {:>5} files) in {}".format( humansize(vb, True), humansize(vmaxb, True), humansize(vn, True).rstrip("B"), humansize(vmaxn, True).rstrip("B"), vol.realpath, ) self.log(t) return True, bool(n_add or n_rm or do_vac) def _build_dir( self, db , top , excl , cdir , rcdir , rei , reh , n4g , ffat , seen , cst , dev , xvol , ) : if xvol and not rcdir.startswith(top): self.log("skip xvol: %r -> %r" % (cdir, rcdir), 6) return 0, 0, 0 if rcdir in seen: t = "bailing from symlink loop,\n prev: %r\n curr: %r\n from: %r" self.log(t % (seen[-1], rcdir, cdir), 3) return 0, 0, 0 # total-files-added, total-num-files, recursive-size tfa = tnf = rsz = 0 seen = seen + [rcdir] unreg = [] files = [] fat32 = True cv = vcv = "" th_cvd = self.args.th_coversd th_cvds = self.args.th_coversd_set self.pp.msg = "a%d %s" % (self.pp.n, cdir) rd = cdir[len(top) :].strip("/") if WINDOWS: rd = rd.replace("\\", "/").strip("/") rds = rd + "/" if rd else "" cdirs = cdir + os.sep g = statdir(self.log_func, not self.args.no_scandir, True, cdir, False) gl = sorted(g) partials = set([x[0] for x in gl if "PARTIAL" in x[0]]) for iname, inf in gl: if self.stop: return -1, 0, 0 rp = rds + iname abspath = cdirs + iname if rei and rei.search(abspath): unreg.append(rp) continue lmod = int(inf.st_mtime) if stat.S_ISLNK(inf.st_mode): try: inf = bos.stat(abspath) except: continue sz = inf.st_size if fat32 and not ffat and inf.st_mtime % 2: fat32 = False if stat.S_ISDIR(inf.st_mode): rap = absreal(abspath) if ( dev and inf.st_dev != dev and not (ANYWIN and bos.stat(rap).st_dev == dev) ): self.log("skip xdev %s->%s: %r" % (dev, inf.st_dev, abspath), 6) continue if abspath in excl or rap in excl: unreg.append(rp) continue if iname == ".th" and bos.path.isdir(os.path.join(abspath, "top")): # abandoned or foreign, skip continue # self.log(" dir: {}".format(abspath)) try: i1, i2, i3 = self._build_dir( db, top, excl, abspath, rap, rei, reh, n4g, fat32, seen, inf, dev, xvol, ) tfa += i1 tnf += i2 rsz += i3 except: t = "failed to index subdir %r:\n%s" self.log(t % (abspath, min_ex()), 1) elif not stat.S_ISREG(inf.st_mode): self.log("skip type-0%o file %r" % (inf.st_mode, abspath)) else: # self.log("file: {}".format(abspath)) if rp.endswith(".PARTIAL") and time.time() - lmod < 60: # rescan during upload continue if not sz and ( "%s.PARTIAL" % (iname,) in partials or ".%s.PARTIAL" % (iname,) in partials ): # placeholder for unfinished upload continue rsz += sz files.append((sz, lmod, iname)) if sz: liname = iname.lower() ext = liname.rsplit(".", 1)[-1] if ( liname in th_cvds or (not cv and ext in ICV_EXTS and not iname.startswith(".")) ) and ( not cv or liname not in th_cvds or cv.lower() not in th_cvds or th_cvd.index(liname) < th_cvd.index(cv.lower()) ): cv = iname elif not vcv and ext in VCV_EXTS and not iname.startswith("."): vcv = iname if not cv: cv = vcv if not self.args.no_dirsz: tnf += len(files) q = "select sz, nf from ds where rd=? limit 1" try: db_sz, db_nf = db.c.execute(q, (rd,)).fetchone() or (-1, -1) if rsz != db_sz or tnf != db_nf: db.c.execute("delete from ds where rd=?", (rd,)) db.c.execute("insert into ds values (?,?,?)", (rd, rsz, tnf)) db.n += 1 except: pass # mojibake rd # folder of 1000 files = ~1 MiB RAM best-case (tiny filenames); # free up stuff we're done with before dhashing gl = [] partials.clear() if not self.args.no_dhash: if len(files) < 9000: zh = hashlib.sha1(str(files).encode("utf-8", "replace")) else: zh = hashlib.sha1() _ = [zh.update(str(x).encode("utf-8", "replace")) for x in files] zh.update(cv.encode("utf-8", "replace")) zh.update(spack(b" 1: t = "WARN: multiple entries: %r => %r |%d|\n%r" rep_db = "\n".join([repr(x) for x in in_db]) self.log(t % (top, rp, len(in_db), rep_db)) dts = -1 if fat32 and abs(dts - lmod) == 1: dts = lmod if dts == lmod and dsz == sz and (nohash or dw[0] != "#" or not sz): continue t = "reindex %r => %r mtime(%s/%s) size(%s/%s)" self.log(t % (top, rp, dts, lmod, dsz, sz)) self.db_rm(db.c, rd, fn, 0) tfa += 1 db.n += 1 in_db = [] else: dw = "" ip = "" at = 0 self.pp.msg = "a%d %s" % (self.pp.n, abspath) if nohash or not sz: wark = up2k_wark_from_metadata(self.salt, sz, lmod, rd, fn) else: if sz > 1024 * 1024: self.log("file: %r" % (abspath,)) try: hashes, _ = self._hashlist_from_file( abspath, "a{}, ".format(self.pp.n) ) except Exception as ex: self.log("hash: %r @ %r" % (ex, abspath)) continue if not hashes: return -1, 0, 0 wark = up2k_wark_from_hashlist(self.salt, sz, hashes) if dw and dw != wark: ip = "" at = 0 # skip upload hooks by not providing vflags self.db_add(db.c, {}, rd, fn, lmod, sz, "", "", wark, wark, "", "", ip, at) db.n += 1 db.nf += 1 tfa += 1 td = time.time() - db.t if db.n >= 4096 or td >= 60: self.log("commit %d new files; %d updates" % (db.nf, db.n)) db.c.connection.commit() db.n = db.nf = 0 db.t = time.time() if not self.args.no_dhash: db.c.execute("delete from dh where d = ?", (drd,)) # type: ignore db.c.execute("insert into dh values (?,?)", (drd, dhash)) # type: ignore if self.stop: return -1, 0, 0 # drop shadowed folders for sh_rd in unreg: n = 0 q = "select count(w) from up where (rd=? or rd like ?||'/%')" for sh_erd in [sh_rd, "//" + w8b64enc(sh_rd)]: try: erd_erd = (sh_erd, sh_erd) n = db.c.execute(q, erd_erd).fetchone()[0] break except: pass if n: t = "forgetting %d shadowed autoindexed files in %r > %r" self.log(t % (n, top, sh_rd)) q = "delete from dh where (d = ? or d like ?||'/%')" db.c.execute(q, erd_erd) q = "delete from up where (rd=? or rd like ?||'/%')" db.c.execute(q, erd_erd) tfa += n q = "delete from ds where (rd=? or rd like ?||'/%')" db.c.execute(q, erd_erd) if n4g: return tfa, tnf, rsz # drop missing files q = "select fn from up where rd = ?" try: c = db.c.execute(q, (rd,)) except: c = db.c.execute(q, ("//" + w8b64enc(rd),)) hits = [w8b64dec(x[2:]) if x.startswith("//") else x for (x,) in c] rm_files = [x for x in hits if x not in seen_files] n_rm = len(rm_files) for fn in rm_files: self.db_rm(db.c, rd, fn, 0) if n_rm: self.log("forgot {} deleted files".format(n_rm)) return tfa, tnf, rsz def _drop_lost(self, cur , top , excl ) : rm = [] n_rm = 0 nchecked = 0 assert self.pp # `_build_dir` did all unshadowed files; first do dirs: ndirs = next(cur.execute("select count(distinct rd) from up"))[0] c = cur.execute("select distinct rd from up order by rd desc") for (drd,) in c: nchecked += 1 if drd.startswith("//"): rd = w8b64dec(drd[2:]) else: rd = drd abspath = djoin(top, rd) self.pp.msg = "b%d %s" % (ndirs - nchecked, abspath) try: if os.path.isdir(abspath): continue except: pass rm.append(drd) if rm: q = "select count(w) from up where rd = ?" for rd in rm: n_rm += next(cur.execute(q, (rd,)))[0] self.log("forgetting {} deleted dirs, {} files".format(len(rm), n_rm)) for rd in rm: cur.execute("delete from dh where d = ?", (rd,)) cur.execute("delete from up where rd = ?", (rd,)) # then shadowed deleted files n_rm2 = 0 c2 = cur.connection.cursor() excl = [x[len(top) + 1 :] for x in excl if x.startswith(top + "/")] q = "select rd, fn from up where (rd = ? or rd like ?||'%') order by rd" for rd in excl: for erd in [rd, "//" + w8b64enc(rd)]: try: c = cur.execute(q, (erd, erd + "/")) break except: pass crd = "///" cdc = set() for drd, dfn in c: rd, fn = s3dec(drd, dfn) if crd != rd: crd = rd try: cdc = set(os.listdir(djoin(top, rd))) except: cdc.clear() if fn not in cdc: q = "delete from up where rd = ? and fn = ?" c2.execute(q, (drd, dfn)) n_rm2 += 1 if n_rm2: self.log("forgetting {} shadowed deleted files".format(n_rm2)) c2.connection.commit() # then covers n_rm3 = 0 qu = "select 1 from up where rd=? and fn=? limit 1" q = "delete from cv where rd=? and dn=? and +fn=?" for crd, cdn, fn in cur.execute("select * from cv"): urd = vjoin(crd, cdn) if not c2.execute(qu, (urd, fn)).fetchone(): c2.execute(q, (crd, cdn, fn)) n_rm3 += 1 if n_rm3: self.log("forgetting {} deleted covers".format(n_rm3)) c2.connection.commit() c2.close() return n_rm + n_rm2 def _verify_integrity(self, vol ) : """expensive; blocks database access until finished""" ptop = vol.realpath assert self.pp cur = self.cur[ptop] rei = vol.flags.get("noidx") reh = vol.flags.get("nohash") e2vu = "e2vu" in vol.flags e2vp = "e2vp" in vol.flags excl = [ d[len(vol.vpath) :].lstrip("/") for d in self.vfs.all_vols if d != vol.vpath and (d.startswith(vol.vpath + "/") or not vol.vpath) ] qexa = [] pexa = [] for vpath in excl: qexa.append("up.rd != ? and not up.rd like ?||'%'") pexa.extend([vpath, vpath]) pex = tuple(pexa) qex = " and ".join(qexa) if qex: qex = " where " + qex rewark = [] f404 = [] with self.mutex: b_left = 0 n_left = 0 q = "select sz from up" + qex for (sz,) in cur.execute(q, pex): b_left += sz # sum() can overflow according to docs n_left += 1 tf, _ = self._spool_warks(cur, "select w, rd, fn from up" + qex, pex, 0) with gzip.GzipFile(mode="rb", fileobj=tf) as gf: for zb in gf: if self.stop: return -1 zs = zb[:-1].decode("utf-8").replace("\x00\x02", "\n") w, drd, dfn = zs.split("\x00\x01") with self.mutex: q = "select mt, sz from up where rd=? and fn=? and +w=?" try: mt, sz = cur.execute(q, (drd, dfn, w)).fetchone() except: # file moved/deleted since spooling continue n_left -= 1 b_left -= sz if drd.startswith("//") or dfn.startswith("//"): rd, fn = s3dec(drd, dfn) else: rd = drd fn = dfn abspath = djoin(ptop, rd, fn) if rei and rei.search(abspath): continue nohash = reh.search(abspath) if reh else False pf = "v{}, {:.0f}+".format(n_left, b_left / 1024 / 1024) self.pp.msg = pf + abspath try: stl = bos.lstat(abspath) st = bos.stat(abspath) if stat.S_ISLNK(stl.st_mode) else stl except Exception as ex: self.log("missing file: %r" % (abspath,), 3) f404.append((drd, dfn, w)) continue mt2 = int(stl.st_mtime) sz2 = st.st_size if nohash or not sz2: w2 = up2k_wark_from_metadata(self.salt, sz2, mt2, rd, fn) else: if sz2 > 1024 * 1024 * 32: self.log("file: %r" % (abspath,)) try: hashes, _ = self._hashlist_from_file(abspath, pf) except Exception as ex: self.log("hash: %r @ %r" % (ex, abspath)) continue if not hashes: return -1 w2 = up2k_wark_from_hashlist(self.salt, sz2, hashes) if w == w2: continue # symlink mtime was inconsistent before v1.9.4; check if that's it if st != stl and (nohash or not sz2): mt2b = int(st.st_mtime) w2b = up2k_wark_from_metadata(self.salt, sz2, mt2b, rd, fn) if w == w2b: continue rewark.append((drd, dfn, w2, sz2, mt2)) t = "hash mismatch: %r\n db: %s (%d byte, %d)\n fs: %s (%d byte, %d)" self.log(t % (abspath, w, sz, mt, w2, sz2, mt2), 1) if e2vp and (rewark or f404): self.hub.retcode = 1 Daemon(self.hub.sigterm) t = "in volume /%s: %s files missing, %s files have incorrect hashes" t = t % (vol.vpath, len(f404), len(rewark)) self.log(t, 1) raise Exception(t) if not e2vu or (not rewark and not f404): return 0 with self.mutex: q = "update up set w=?, sz=?, mt=? where rd=? and fn=?" for rd, fn, w, sz, mt in rewark: cur.execute(q, (w, sz, int(mt), rd, fn)) if f404: q = "delete from up where rd=? and fn=? and +w=?" cur.executemany(q, f404) cur.connection.commit() return len(rewark) + len(f404) def _build_tags_index(self, vol ) : ptop = vol.realpath with self.mutex, self.reg_mutex: reg = self.register_vpath(ptop, vol.flags) assert reg and self.pp cur = self.cur[ptop] if not self.args.no_dhash: with self.mutex: c = cur.execute("select k from kv where k = 'tagscan'") if not c.fetchone(): return 0, 0, bool(self.mtag) ret = self._build_tags_index_2(ptop) with self.mutex: self._set_tagscan(cur, False) cur.connection.commit() return ret def _drop_caches(self) : """mutex(main,reg) me""" self.log("dropping caches for a full filesystem scan") for vol in self.vfs.all_vols.values(): reg = self.register_vpath(vol.realpath, vol.flags) if not reg: continue cur, _ = reg self._set_tagscan(cur, True) cur.execute("delete from dh") cur.execute("delete from cv") cur.connection.commit() def _set_tagscan(self, cur , need ) : if self.args.no_dhash: return False c = cur.execute("select k from kv where k = 'tagscan'") if bool(c.fetchone()) == need: return False if need: cur.execute("insert into kv values ('tagscan',1)") else: cur.execute("delete from kv where k = 'tagscan'") return True def _build_tags_index_2(self, ptop ) : entags = self.entags[ptop] flags = self.flags[ptop] cur = self.cur[ptop] n_add = 0 n_rm = 0 if "e2tsr" in flags: with self.mutex: n_rm = cur.execute("select count(w) from mt").fetchone()[0] if n_rm: self.log("discarding {} media tags for a full rescan".format(n_rm)) cur.execute("delete from mt") # integrity: drop tags for tracks that were deleted if "e2t" in flags: with self.mutex: n = 0 c2 = cur.connection.cursor() up_q = "select w from up where substr(w,1,16) = ?" rm_q = "delete from mt where w = ?" for (w,) in cur.execute("select w from mt"): if not c2.execute(up_q, (w,)).fetchone(): c2.execute(rm_q, (w[:16],)) n += 1 c2.close() if n: t = "discarded media tags for {} deleted files" self.log(t.format(n)) n_rm += n with self.mutex: cur.connection.commit() # bail if a volflag disables indexing if "d2t" in flags or "d2d" in flags: return 0, n_rm, True # add tags for new files if "e2ts" in flags: if not self.mtag: return 0, n_rm, False nq = 0 with self.mutex: tf, nq = self._spool_warks( cur, "select w from up order by rd, fn", (), 1 ) if not nq: # self.log("tags ok") self._unspool(tf) return 0, n_rm, True if nq == -1: return -1, -1, True with gzip.GzipFile(mode="rb", fileobj=tf) as gf: n_add = self._e2ts_q(gf, nq, cur, ptop, entags) self._unspool(tf) return n_add, n_rm, True def _e2ts_q( self, qf , nq , cur , ptop , entags , ) : assert self.pp and self.mtag flags = self.flags[ptop] mpool = None if self.mtag.prefer_mt and self.args.mtag_mt > 1: mpool = self._start_mpool() n_add = 0 n_buf = 0 last_write = time.time() for bw in qf: if self.stop: return -1 w = bw[:-1].decode("ascii") w16 = w[:16] with self.mutex: try: q = "select rd, fn, ip, at from up where substr(w,1,16)=? and +w=?" rd, fn, ip, at = cur.execute(q, (w16, w)).fetchone() except: # file modified/deleted since spooling continue if rd.startswith("//") or fn.startswith("//"): rd, fn = s3dec(rd, fn) if "mtp" in flags: q = "select 1 from mt where w=? and +k='t:mtp' limit 1" if cur.execute(q, (w16,)).fetchone(): continue q = "insert into mt values (?,'t:mtp','a')" cur.execute(q, (w16,)) abspath = djoin(ptop, rd, fn) self.pp.msg = "c%d %s" % (nq, abspath) if not mpool: n_tags = self._tagscan_file(cur, entags, w, abspath, ip, at) else: if ip: oth_tags = {"up_ip": ip, "up_at": at} else: oth_tags = {} mpool.put(Mpqe({}, entags, w, abspath, oth_tags)) with self.mutex: n_tags = len(self._flush_mpool(cur)) n_add += n_tags n_buf += n_tags nq -= 1 td = time.time() - last_write if n_buf >= 4096 or td >= self.timeout / 2: self.log("commit {} new tags".format(n_buf)) with self.mutex: cur.connection.commit() last_write = time.time() n_buf = 0 if mpool: self._stop_mpool(mpool) with self.mutex: n_add += len(self._flush_mpool(cur)) with self.mutex: cur.connection.commit() return n_add def _spool_warks( self, cur , q , params , flt , ) : """mutex(main) me""" n = 0 c2 = cur.connection.cursor() tf = tempfile.SpooledTemporaryFile(1024 * 1024 * 8, "w+b", prefix="cpp-tq-") with gzip.GzipFile(mode="wb", fileobj=tf) as gf: for row in cur.execute(q, params): if self.stop: return tf, -1 if flt == 1: q = "select 1 from mt where w=? and +k != 't:mtp'" if c2.execute(q, (row[0][:16],)).fetchone(): continue zs = "\x00\x01".join(row).replace("\n", "\x00\x02") gf.write((zs + "\n").encode("utf-8")) n += 1 c2.close() tf.seek(0) self.spools.add(tf) return tf, n def _unspool(self, tf ) : try: self.spools.remove(tf) except: return try: tf.close() except Exception as ex: self.log("failed to delete spool: {}".format(ex), 3) def _flush_mpool(self, wcur ) : ret = [] for x in self.pending_tags: self._tag_file(wcur, *x) ret.append(x[1]) self.pending_tags = [] return ret def _run_all_mtp(self, gid ) : t0 = time.time() for ptop, flags in self.flags.items(): if "mtp" in flags: if ptop not in self.entags: t = "skipping mtp for unavailable volume {}" self.log(t.format(ptop), 1) else: self._run_one_mtp(ptop, gid) vtop = "\n" for vol in self.vfs.all_vols.values(): if vol.realpath == ptop: vtop = vol.vpath if "running mtp" in self.volstate.get(vtop, ""): self.volstate[vtop] = "online, idle" td = time.time() - t0 msg = "mtp finished in {:.2f} sec ({})" self.log(msg.format(td, s2hms(td, True))) self.unpp() if self.args.exit == "idx": self.hub.sigterm() def _run_one_mtp(self, ptop , gid ) : if gid != self.gid: return entags = self.entags[ptop] parsers = {} for parser in self.flags[ptop]["mtp"]: try: parser = MParser(parser) except: self.log("invalid argument (could not find program): " + parser, 1) return for tag in entags: if tag in parser.tags: parsers[parser.tag] = parser if self.args.mtag_vv: t = "parsers for {}: \033[0m{}" self.log(t.format(ptop, list(parsers.keys())), "90") self.mtp_parsers[ptop] = parsers q = "select count(w) from mt where k = 't:mtp'" with self.mutex: cur = self.cur[ptop] cur = cur.connection.cursor() wcur = cur.connection.cursor() n_left = cur.execute(q).fetchone()[0] mpool = self._start_mpool() batch_sz = mpool.maxsize * 3 t_prev = time.time() n_prev = n_left n_done = 0 to_delete = {} in_progress = {} while True: did_nothing = True with self.mutex: if gid != self.gid: break q = "select w from mt where k = 't:mtp' limit ?" zq = cur.execute(q, (batch_sz,)).fetchall() warks = [str(x[0]) for x in zq] jobs = [] for w in warks: if w in in_progress: continue q = "select rd, fn, ip, at from up where substr(w,1,16)=? limit 1" rd, fn, ip, at = cur.execute(q, (w,)).fetchone() rd, fn = s3dec(rd, fn) abspath = djoin(ptop, rd, fn) q = "select k from mt where w = ?" zq = cur.execute(q, (w,)).fetchall() have = {x[0]: 1 for x in zq} did_nothing = False parsers = self._get_parsers(ptop, have, abspath) if not parsers: to_delete[w] = True n_left -= 1 continue if next((x for x in parsers.values() if x.pri), None): q = "select k, v from mt where w = ?" zq2 = cur.execute(q, (w,)).fetchall() oth_tags = {str(k): v for k, v in zq2} else: oth_tags = {} if ip: oth_tags["up_ip"] = ip oth_tags["up_at"] = at jobs.append(Mpqe(parsers, set(), w, abspath, oth_tags)) in_progress[w] = True with self.mutex: done = self._flush_mpool(wcur) for w in done: to_delete[w] = True did_nothing = False in_progress.pop(w) n_done += 1 for w in to_delete: q = "delete from mt where w = ? and +k = 't:mtp'" cur.execute(q, (w,)) to_delete = {} if not warks: break if did_nothing: with self.tag_event: self.tag_event.wait(0.2) if not jobs: continue try: now = time.time() s = ((now - t_prev) / (n_prev - n_left)) * n_left h, s = divmod(s, 3600) m, s = divmod(s, 60) n_prev = n_left t_prev = now except: h = 1 m = 1 msg = "mtp: {} done, {} left, eta {}h {:02d}m" with self.mutex: msg = msg.format(n_done, n_left, int(h), int(m)) self.log(msg, c=6) for j in jobs: n_left -= 1 mpool.put(j) with self.mutex: cur.connection.commit() self._stop_mpool(mpool) with self.mutex: done = self._flush_mpool(wcur) for w in done: q = "delete from mt where w = ? and +k = 't:mtp'" cur.execute(q, (w,)) cur.connection.commit() if n_done: self.log("mtp: scanned {} files in {}".format(n_done, ptop), c=6) cur.execute("vacuum") wcur.close() cur.close() def _get_parsers( self, ptop , have , abspath ) : try: all_parsers = self.mtp_parsers[ptop] except: if self.args.mtag_vv: self.log("no mtp defined for {}".format(ptop), "90") return {} entags = self.entags[ptop] parsers = {} for k, v in all_parsers.items(): if "ac" in entags or ".aq" in entags: if "ac" in have or ".aq" in have: # is audio, require non-audio? if v.audio == "n": if self.args.mtag_vv: t = "skip mtp {}; want no-audio, got audio" self.log(t.format(k), "90") continue # is not audio, require audio? elif v.audio == "y": if self.args.mtag_vv: t = "skip mtp {}; want audio, got no-audio" self.log(t.format(k), "90") continue if v.ext: match = False for ext in v.ext: if abspath.lower().endswith("." + ext): match = True break if not match: if self.args.mtag_vv: t = "skip mtp {}; want file-ext {}, got {}" self.log(t.format(k, v.ext, abspath.rsplit(".")[-1]), "90") continue parsers[k] = v parsers = {k: v for k, v in parsers.items() if v.force or k not in have} return parsers def _start_mpool(self) : # mp.pool.ThreadPool and concurrent.futures.ThreadPoolExecutor # both do crazy runahead so lets reinvent another wheel nw = max(1, self.args.mtag_mt) if not self.mpool_used: self.mpool_used = True self.log("using {}x {}".format(nw, self.mtag.backend)) mpool = Queue(nw) for _ in range(nw): Daemon(self._tag_thr, "up2k-mpool", (mpool,)) return mpool def _stop_mpool(self, mpool ) : if not mpool: return for _ in range(mpool.maxsize): mpool.put(Mpqe({}, set(), "", "", {})) mpool.join() def _tag_thr(self, q ) : assert self.mtag while True: qe = q.get() if not qe.w: q.task_done() return try: st = bos.stat(qe.abspath) if not qe.mtp: if self.args.mtag_vv: t = "tag-thr: {}({})" self.log(t.format(self.mtag.backend, qe.abspath), "90") tags = self.mtag.get(qe.abspath) if st.st_size else {} else: if self.args.mtag_vv: t = "tag-thr: {}({})" self.log(t.format(list(qe.mtp.keys()), qe.abspath), "90") tags = self.mtag.get_bin(qe.mtp, qe.abspath, qe.oth_tags) vtags = [ "\033[36m{} \033[33m{}".format(k, v) for k, v in tags.items() ] if vtags: self.log("{}\033[0m [{}]".format(" ".join(vtags), qe.abspath)) with self.mutex: self.pending_tags.append((qe.entags, qe.w, qe.abspath, tags)) except: ex = traceback.format_exc() self._log_tag_err(qe.mtp or self.mtag.backend, qe.abspath, ex) finally: if qe.mtp: with self.tag_event: self.tag_event.notify_all() q.task_done() def _log_tag_err(self, parser , abspath , ex ) : msg = "%s failed to read tags from %r:\n%s" % (parser, abspath, ex) self.log(msg.lstrip(), c=1 if " DB_VER: t = "database is version {}, this copyparty only supports versions <= {}" raise Exception(t.format(ver, DB_VER)) msg = "creating new DB (old is bad); backup: " if ver: msg = "creating new DB (too old to upgrade); backup: " cur = self._backup_db(db_path, cur, ver, msg) db = cur.connection cur.close() db.close() self._delete_db(db_path) return self._try_create_db(db_path, None) def _delete_db(self, db_path ): for suf in ("", "-shm", "-wal", "-journal"): try: bos.unlink(db_path + suf) except: if not suf: raise def _backup_db( self, db_path , cur , ver , msg ) : bak = "{}.bak.{:x}.v{}".format(db_path, int(time.time()), ver) self.log(msg + bak) try: c2 = sqlite3.connect(bak) with c2: cur.connection.backup(c2) return cur except: t = "native sqlite3 backup failed; using fallback method:\n" self.log(t + min_ex()) finally: c2.close() # type: ignore db = cur.connection cur.close() db.close() shutil.copy2(fsenc(db_path), fsenc(bak)) return self._orz(db_path) def _read_ver(self, cur ) : for tab in ["ki", "kv"]: try: c = cur.execute(r"select v from {} where k = 'sver'".format(tab)) except: continue rows = c.fetchall() if rows: return int(rows[0][0]) return None def _try_create_db( self, db_path , cur ) : try: return self._create_db(db_path, cur) except: try: self._delete_db(db_path) except: pass raise def _create_db( self, db_path , cur ) : """ collision in 2^(n/2) files where n = bits (6 bits/ch) 10*6/2 = 2^30 = 1'073'741'824, 24.1mb idx 1<<(3*10) 12*6/2 = 2^36 = 68'719'476'736, 24.8mb idx 16*6/2 = 2^48 = 281'474'976'710'656, 26.1mb idx """ if not cur: cur = self._orz(db_path) idx = r"create index up_w on up(substr(w,1,16))" if self.no_expr_idx: idx = r"create index up_w on up(w)" for cmd in [ r"create table up (w text, mt int, sz int, rd text, fn text, ip text, at int)", r"create index up_vp on up(rd, fn)", r"create index up_fn on up(fn)", r"create index up_ip on up(ip)", r"create index up_at on up(at)", idx, r"create table mt (w text, k text, v int)", r"create index mt_w on mt(w)", r"create index mt_k on mt(k)", r"create index mt_v on mt(v)", r"create table kv (k text, v int)", r"insert into kv values ('sver', {})".format(DB_VER), ]: cur.execute(cmd) self._add_dhash_tab(cur) self._add_xiu_tab(cur) self._add_cv_tab(cur) self._add_ds_tab(cur) self.log("created DB at {}".format(db_path)) return cur def _upgrade_v4(self, cur ) : for cmd in [ r"alter table up add column ip text", r"alter table up add column at int", r"create index up_ip on up(ip)", r"update kv set v=5 where k='sver'", ]: cur.execute(cmd) cur.connection.commit() def _add_dhash_tab(self, cur ) : # v5 -> v5a try: cur.execute("select d, h from dh limit 1").fetchone() return except: pass for cmd in [ r"create table dh (d text, h text)", r"create index dh_d on dh(d)", r"insert into kv values ('tagscan',1)", ]: cur.execute(cmd) cur.connection.commit() def _add_xiu_tab(self, cur ) : # v5a -> v5b # store rd+fn rather than warks to support nohash vols try: cur.execute("select c, w, rd, fn from iu limit 1").fetchone() return except: pass try: cur.execute("drop table iu") except: pass for cmd in [ r"create table iu (c int, w text, rd text, fn text)", r"create index iu_c on iu(c)", r"create index iu_w on iu(w)", ]: cur.execute(cmd) cur.connection.commit() def _add_cv_tab(self, cur ) : # v5b -> v5c try: cur.execute("select rd, dn, fn from cv limit 1").fetchone() return except: pass for cmd in [ r"create table cv (rd text, dn text, fn text)", r"create index cv_i on cv(rd, dn)", ]: cur.execute(cmd) try: cur.execute("delete from dh") except: pass cur.connection.commit() def _add_idx_up_vp(self, cur , db_path ) : # v5c -> v5d try: cur.execute("drop index up_rd") except: return for cmd in [ r"create index up_vp on up(rd, fn)", r"create index up_at on up(at)", ]: self.log("upgrading db [%s]: %s" % (db_path, cmd[:18])) cur.execute(cmd) self.log("upgrading db [%s]: writing to disk..." % (db_path,)) cur.connection.commit() cur.execute("vacuum") def _add_ds_tab(self, cur ) : # v5d -> v5e try: cur.execute("select rd, sz from ds limit 1").fetchone() return except: pass for cmd in [ r"create table ds (rd text, sz int, nf int)", r"create index ds_rd on ds(rd)", ]: cur.execute(cmd) cur.connection.commit() def wake_rescanner(self): with self.rescan_cond: self.rescan_cond.notify_all() def handle_json( self, cj , busy_aps ) : # busy_aps is u2fh (always undefined if -j0) so this is safe self.busy_aps = busy_aps if self.reload_flag or self.reloading: raise Pebkac(503, SBUSY % ("fs-reload",)) got_lock = False try: # bit expensive; 3.9=10x 3.11=2x if self.mutex.acquire(timeout=10): got_lock = True with self.reg_mutex: ret = self._handle_json(cj) else: raise Pebkac(503, SBUSY % (self.blocked or "[unknown]",)) except TypeError: if not PY2: raise with self.mutex, self.reg_mutex: ret = self._handle_json(cj) finally: if got_lock: self.mutex.release() if self.fx_backlog: self.do_fx_backlog() return ret def _handle_json(self, cj , depth = 1) : if depth > 16: raise Pebkac(500, "too many xbu relocs, giving up") ptop = cj["ptop"] if not self.register_vpath(ptop, cj["vcfg"]): if ptop not in self.registry: raise Pebkac(410, "location unavailable") cj["poke"] = now = self.db_act = self.vol_act[ptop] = time.time() wark = dwark = self._get_wark(cj) job = None pdir = djoin(ptop, cj["prel"]) inc_ap = djoin(pdir, cj["name"]) try: dev = bos.stat(pdir).st_dev except: dev = 0 # check if filesystem supports sparse files; # refuse out-of-order / multithreaded uploading if sprs False sprs = self.fstab.get(pdir) != "ng" if True: jcur = self.cur.get(ptop) reg = self.registry[ptop] vfs = self.vfs.all_vols[cj["vtop"]] n4g = bool(vfs.flags.get("noforget")) noclone = bool(vfs.flags.get("noclone")) rand = vfs.flags.get("rand") or cj.get("rand") lost = [] safe_dedup = vfs.flags.get("safededup") or 50 data_ok = safe_dedup < 10 or n4g vols = [(ptop, jcur)] if jcur else [] if vfs.flags.get("xlink"): vols += [(k, v) for k, v in self.cur.items() if k != ptop] if noclone: wark = up2k_wark_from_metadata( self.salt, cj["size"], cj["lmod"], cj["prel"], cj["name"] ) zi = cj["lmod"] bad_mt = zi <= 0 or zi > 0xAAAAAAAA if bad_mt or vfs.flags.get("up_ts", "") == "fu": # force upload time rather than last-modified cj["lmod"] = int(time.time()) if zi and bad_mt: t = "ignoring impossible last-modified time from client: %s" self.log(t % (zi,), 6) alts = [] for ptop, cur in vols: allv = self.vfs.all_vols cvfs = next((v for v in allv.values() if v.realpath == ptop), vfs) vtop = cj["vtop"] if cur == jcur else cvfs.vpath if self.no_expr_idx: q = r"select * from up where w = ?" argv = [dwark] else: q = r"select * from up where substr(w,1,16)=? and +w=?" argv = [dwark[:16], dwark] c2 = cur.execute(q, tuple(argv)) for _, dtime, dsize, dp_dir, dp_fn, ip, at in c2: if dp_dir.startswith("//") or dp_fn.startswith("//"): dp_dir, dp_fn = s3dec(dp_dir, dp_fn) dp_abs = djoin(ptop, dp_dir, dp_fn) if noclone and dp_abs != inc_ap: continue try: st = bos.stat(dp_abs) if stat.S_ISLNK(st.st_mode): # broken symlink raise Exception() if st.st_size != dsize: t = "candidate ignored (db/fs desync): {}, size fs={} db={}, mtime fs={} db={}, file: {}" t = t.format( dwark, st.st_size, dsize, st.st_mtime, dtime, dp_abs ) self.log(t) raise Exception() except Exception as ex: if n4g: st = NULLSTAT else: lost.append((cur, dp_dir, dp_fn)) continue j = { "name": dp_fn, "prel": dp_dir, "vtop": vtop, "ptop": ptop, "sprs": sprs, # dontcare; finished anyways "size": dsize, "lmod": dtime, "host": cj["host"], "user": cj["user"], "addr": ip, "at": at, } for k in ["life"]: if k in cj: j[k] = cj[k] # offset of 1st diff in vpaths zig = ( n + 1 for n, (c1, c2) in enumerate( zip(dp_dir + "\r", cj["prel"] + "\n") ) if c1 != c2 ) score = ( (6969 if st.st_dev == dev else 0) + (3210 if dp_dir == cj["prel"] else next(zig)) + (1 if dp_fn == cj["name"] else 0) ) alts.append((score, -len(alts), j, cur, dp_dir, dp_fn)) job = None for dupe in sorted(alts, reverse=True): rj = dupe[2] orig_ap = djoin(rj["ptop"], rj["prel"], rj["name"]) if data_ok or inc_ap == orig_ap: data_ok = True job = rj break else: self.log("asserting contents of %r" % (orig_ap,)) hashes2, st = self._hashlist_from_file(orig_ap) wark2 = up2k_wark_from_hashlist(self.salt, st.st_size, hashes2) if dwark != wark2: t = "will not dedup (fs index desync): fs=%s, db=%s, file: %r\n%s" self.log(t % (wark2, dwark, orig_ap, rj)) lost.append(dupe[3:]) continue data_ok = True job = rj break if job: if wark in reg: del reg[wark] job["hash"] = job["need"] = [] job["done"] = 1 job["busy"] = {} if lost: c2 = None for cur, dp_dir, dp_fn in lost: t = "forgetting desynced db entry: %r" self.log(t % ("/" + vjoin(vjoin(vfs.vpath, dp_dir), dp_fn))) self.db_rm(cur, dp_dir, dp_fn, cj["size"]) if c2 and c2 != cur: c2.connection.commit() c2 = cur c2.connection.commit() cur = jcur ptop = None # use cj or job as appropriate if not job and wark in reg: # ensure the files haven't been edited or deleted path = "" st = None rj = reg[wark] names = [rj[x] for x in ["name", "tnam"] if x in rj] for fn in names: path = djoin(rj["ptop"], rj["prel"], fn) try: st = bos.stat(path) if st.st_size > 0 or "done" in rj: # upload completed or both present break except: # missing; restart if not self.args.nw and not n4g: t = "forgetting deleted partial upload at %r" self.log(t % (path,)) del reg[wark] break inc_ap = djoin(cj["ptop"], cj["prel"], cj["name"]) orig_ap = djoin(rj["ptop"], rj["prel"], rj["name"]) if self.args.nw or n4g or not st or "done" not in rj: pass elif st.st_size != rj["size"]: t = "will not dedup (fs index desync): %s, size fs=%d db=%d, mtime fs=%d db=%d, file: %r\n%s" t = t % ( wark, st.st_size, rj["size"], st.st_mtime, rj["lmod"], path, rj, ) self.log(t) del reg[wark] elif inc_ap != orig_ap and not data_ok and "done" in reg[wark]: self.log("asserting contents of %r" % (orig_ap,)) hashes2, _ = self._hashlist_from_file(orig_ap) wark2 = up2k_wark_from_hashlist(self.salt, st.st_size, hashes2) if wark != wark2: t = "will not dedup (fs index desync): fs=%s, idx=%s, file: %r\n%s" self.log(t % (wark2, wark, orig_ap, rj)) del reg[wark] if job or wark in reg: job = job or reg[wark] if ( job["ptop"] != cj["ptop"] or job["prel"] != cj["prel"] or job["name"] != cj["name"] ): # file contents match, but not the path src = djoin(job["ptop"], job["prel"], job["name"]) dst = djoin(cj["ptop"], cj["prel"], cj["name"]) vsrc = djoin(job["vtop"], job["prel"], job["name"]) vsrc = vsrc.replace("\\", "/") # just for prints anyways if "done" not in job: self.log("unfinished:\n %r\n %r" % (src, dst)) err = "partial upload exists at a different location; please resume uploading here instead:\n" err += "/" + quotep(vsrc) + " " # registry is size-constrained + can only contain one unique wark; # let want_recheck trigger symlink (if still in reg) or reupload if cur: dupe = (cj["prel"], cj["name"], cj["lmod"]) try: if dupe not in self.dupesched[src]: self.dupesched[src].append(dupe) except: self.dupesched[src] = [dupe] raise Pebkac(422, err) elif "nodupe" in vfs.flags: self.log("dupe-reject:\n %r\n %r" % (src, dst)) err = "upload rejected, file already exists:\n" err += "/" + quotep(vsrc) + " " raise Pebkac(409, err) else: # symlink to the client-provided name, # returning the previous upload info psrc = src + ".PARTIAL" if self.args.dotpart: m = re.match(r"(.*[\\/])(.*)", psrc) if m: # always true but... zs1, zs2 = m.groups() psrc = zs1 + "." + zs2 if ( src in self.busy_aps or psrc in self.busy_aps or (wark in reg and "done" not in reg[wark]) ): raise Pebkac( 422, "source file busy; please try again later" ) job = deepcopy(job) job["wark"] = wark job["dwrk"] = dwark job["at"] = cj.get("at") or now zs = "vtop ptop prel name lmod host user addr poke" for k in zs.split(): job[k] = cj.get(k) or "" for k in ("life", "replace"): if k in cj: job[k] = cj[k] pdir = djoin(cj["ptop"], cj["prel"]) if rand: job["name"] = rand_name( pdir, cj["name"], vfs.flags["nrand"] ) dst = djoin(job["ptop"], job["prel"], job["name"]) xbu = vfs.flags.get("xbu") if xbu: vp = djoin(job["vtop"], job["prel"], job["name"]) hr = runhook( self.log, None, self, "xbu.up2k.dupe", xbu, # type: ignore dst, vp, job["host"], job["user"], self.vfs.get_perms(job["vtop"], job["user"]), job["lmod"], job["size"], job["addr"], job["at"], "", ) if not hr: t = "upload blocked by xbu server config: %r" % (dst,) self.log(t, 1) raise Pebkac(403, t) if hr.get("reloc"): x = pathmod(self.vfs, dst, vp, hr["reloc"]) if x: ud1 = (vfs.vpath, job["prel"], job["name"]) pdir, _, job["name"], (vfs, rem) = x dst = os.path.join(pdir, job["name"]) job["vcfg"] = vfs.flags job["ptop"] = vfs.realpath job["vtop"] = vfs.vpath job["prel"] = rem job["name"] = sanitize_fn(job["name"], "") ud2 = (vfs.vpath, job["prel"], job["name"]) if ud1 != ud2: # print(json.dumps(job, sort_keys=True, indent=4)) job["hash"] = cj["hash"] self.log("xbu reloc1:%d..." % (depth,), 6) return self._handle_json(job, depth + 1) job["name"] = self._untaken(pdir, job, now) dst = djoin(job["ptop"], job["prel"], job["name"]) if not self.args.nw: dvf = vfs.flags try: dvf = self.flags[job["ptop"]] self._symlink(src, dst, dvf, lmod=cj["lmod"], rm=True) except: if bos.path.exists(dst): wunlink(self.log, dst, dvf) if not n4g: raise if cur and not self.args.nw: zs = "prel name lmod size ptop vtop wark dwrk host user addr at" a = [job[x] for x in zs.split()] self.db_add(cur, vfs.flags, *a) cur.connection.commit() elif wark in reg: # checks out, but client may have hopped IPs job["addr"] = cj["addr"] if not job: ap1 = djoin(cj["ptop"], cj["prel"]) if rand: cj["name"] = rand_name(ap1, cj["name"], vfs.flags["nrand"]) if vfs.lim: ap2, cj["prel"] = vfs.lim.all( cj["addr"], cj["prel"], cj["size"], cj["ptop"], ap1, self.hub.broker, reg, "up2k._get_volsize", ) bos.makedirs(ap2, vf=vfs.flags) vfs.lim.nup(cj["addr"]) vfs.lim.bup(cj["addr"], cj["size"]) job = { "wark": wark, "dwrk": dwark, "t0": now, "sprs": sprs, "hash": deepcopy(cj["hash"]), "need": [], "busy": {}, } # client-provided, sanitized by _get_wark: name, size, lmod zs = "vtop ptop prel name size lmod host user addr poke" for k in zs.split(): job[k] = cj[k] for k in ["life", "replace"]: if k in cj: job[k] = cj[k] # one chunk may occur multiple times in a file; # filter to unique values for the list of missing chunks # (preserve order to reduce disk thrashing) lut = set() for k in cj["hash"]: if k not in lut: job["need"].append(k) lut.add(k) try: ret = self._new_upload(job, vfs, depth) if ret: return ret # xbu recursed except: self.registry[job["ptop"]].pop(job["wark"], None) raise purl = "{}/{}".format(job["vtop"], job["prel"]).strip("/") purl = "/{}/".format(purl) if purl else "/" ret = { "name": job["name"], "purl": purl, "size": job["size"], "lmod": job["lmod"], "sprs": job.get("sprs", sprs), "hash": job["need"], "dwrk": dwark, "wark": wark, } if ( not ret["hash"] and "fk" in vfs.flags and not self.args.nw and (cj["user"] in vfs.axs.uread or cj["user"] in vfs.axs.upget) ): alg = 2 if "fka" in vfs.flags else 1 ap = absreal(djoin(job["ptop"], job["prel"], job["name"])) ino = 0 if ANYWIN else bos.stat(ap).st_ino fk = self.gen_fk(alg, self.args.fk_salt, ap, job["size"], ino) ret["fk"] = fk[: vfs.flags["fk"]] if ( not ret["hash"] and cur and cj.get("umod") and int(cj["lmod"]) != int(job["lmod"]) and not self.args.nw and cj["user"] in vfs.axs.uwrite and cj["user"] in vfs.axs.udel ): sql = "update up set mt=? where substr(w,1,16)=? and +rd=? and +fn=?" try: cur.execute(sql, (cj["lmod"], dwark[:16], job["prel"], job["name"])) cur.connection.commit() ap = djoin(job["ptop"], job["prel"], job["name"]) times = (int(time.time()), int(cj["lmod"])) bos.utime(ap, times, False) self.log("touched %r from %d to %d" % (ap, job["lmod"], cj["lmod"])) except Exception as ex: self.log("umod failed, %r" % (ex,), 3) return ret def _untaken(self, fdir , job , ts ) : fname = job["name"] ip = job["addr"] if self.args.nw: return fname fp = djoin(fdir, fname) ow = job.get("replace") and bos.path.exists(fp) if ow and "mt" in str(job["replace"]).lower(): mts = bos.stat(fp).st_mtime mtc = job["lmod"] if mtc < mts: t = "will not overwrite; server %d sec newer than client; %d > %d %r" self.log(t % (mts - mtc, mts, mtc, fp)) ow = False ptop = job["ptop"] vf = self.flags.get(ptop) or {} if ow: self.log("replacing existing file at %r" % (fp,)) cur = None st = bos.stat(fp) try: vrel = vjoin(job["prel"], fname) xlink = bool(vf.get("xlink")) cur, wark, _, _, _, _ = self._find_from_vpath(ptop, vrel) self._forget_file(ptop, vrel, cur, wark, True, st.st_size, xlink) except Exception as ex: self.log("skipping replace-relink: %r" % (ex,)) finally: if cur: cur.connection.commit() wunlink(self.log, fp, vf) if self.args.plain_ip: dip = ip.replace(":", ".") else: dip = self.hub.iphash.s(ip) f, ret = ren_open( fname, "wb", fdir=fdir, suffix="-%.6f-%s" % (ts, dip), vf=vf, ) f.close() return ret def _symlink( self, src , dst , flags , verbose = True, rm = False, lmod = 0, fsrc = None, is_mv = False, ) : if src == dst or (fsrc and fsrc == dst): t = "symlinking a file to itself?? orig(%s) fsrc(%s) link(%s)" raise Exception(t % (src, fsrc, dst)) if verbose: t = "linking dupe:\n point-to: {0!r}\n link-loc: {1!r}" if fsrc: t += "\n data-src: {2!r}" self.log(t.format(src, dst, fsrc)) if self.args.nw: return linked = False try: if "reflink" in flags: raise Exception("reflink") if not is_mv and not flags.get("dedup"): raise Exception("dedup is disabled in config") lsrc = src ldst = dst fs1 = bos.stat(os.path.dirname(src)).st_dev fs2 = bos.stat(os.path.dirname(dst)).st_dev if fs1 == 0 or fs2 == 0: # py2 on winxp or other unsupported combination raise OSError(errno.ENOSYS, "filesystem does not have st_dev") elif fs1 == fs2: # same fs; make symlink as relative as possible spl = r"[\\/]" if WINDOWS else "/" nsrc = re.split(spl, src) ndst = re.split(spl, dst) nc = 0 for a, b in zip(nsrc, ndst): if a != b: break nc += 1 if nc > 1: zsl = nsrc[nc:] hops = len(ndst[nc:]) - 1 lsrc = "../" * hops + "/".join(zsl) if WINDOWS: lsrc = lsrc.replace("/", "\\") ldst = ldst.replace("/", "\\") if rm and bos.path.exists(dst): wunlink(self.log, dst, flags) try: if "hardlink" in flags: os.link(fsenc(absreal(src)), fsenc(dst)) linked = True except Exception as ex: self.log("cannot hardlink: " + repr(ex)) if "hardlinkonly" in flags: raise Exception("symlink-fallback disabled in cfg") if not linked: if ANYWIN: Path(ldst).symlink_to(lsrc) if not bos.path.exists(dst): try: wunlink(self.log, dst, flags) except: pass t = "the created symlink [%s] did not resolve to [%s]" raise Exception(t % (ldst, lsrc)) else: os.symlink(fsenc(lsrc), fsenc(ldst)) linked = True except Exception as ex: if str(ex) != "reflink": self.log("cannot link; creating copy: " + repr(ex)) if bos.path.isfile(src): csrc = src elif fsrc and bos.path.isfile(fsrc): csrc = fsrc else: t = "BUG: no valid sources to link from! orig(%r) fsrc(%r) link(%r)" self.log(t, 1) raise Exception(t % (src, fsrc, dst)) shutil.copy2(fsenc(csrc), fsenc(dst)) if lmod and (not linked or SYMTIME): times = (int(time.time()), int(lmod)) bos.utime(dst, times, False) def handle_chunks( self, ptop , wark , chashes ) : with self.mutex, self.reg_mutex: self.db_act = self.vol_act[ptop] = time.time() job = self.registry[ptop].get(wark) if not job: known = " ".join([x for x in self.registry[ptop].keys()]) self.log("unknown wark [{}], known: {}".format(wark, known)) raise Pebkac(400, "unknown wark" + SEESLOG) if "t0c" not in job: job["t0c"] = time.time() if len(chashes) > 1 and len(chashes[1]) < 44: # first hash is full-length; expand remaining ones uniq = [] lut = set() for chash in job["hash"]: if chash not in lut: uniq.append(chash) lut.add(chash) try: nchunk = uniq.index(chashes[0]) except: raise Pebkac(400, "unknown chunk0 [%s]" % (chashes[0],)) expanded = [chashes[0]] for prefix in chashes[1:]: nchunk += 1 chash = uniq[nchunk] if not chash.startswith(prefix): t = "next sibling chunk does not start with expected prefix [%s]: [%s]" raise Pebkac(400, t % (prefix, chash)) expanded.append(chash) chashes = expanded for chash in chashes: if chash not in job["need"]: msg = "chash = {} , need:\n".format(chash) msg += "\n".join(job["need"]) self.log(msg) t = "already got that (%s) but thanks??" if chash not in job["hash"]: t = "unknown chunk wtf: %s" raise Pebkac(400, t % (chash,)) if chash in job["busy"]: nh = len(job["hash"]) idx = job["hash"].index(chash) t = "that chunk is already being written to:\n {}\n {} {}/{}\n {}" raise Pebkac(400, t.format(wark, chash, idx, nh, job["name"])) chunksize = up2k_chunksize(job["size"]) coffsets = [] nchunks = [] for chash in chashes: nchunk = [n for n, v in enumerate(job["hash"]) if v == chash] if not nchunk: raise Pebkac(400, "unknown chunk %s" % (chash,)) ofs = [chunksize * x for x in nchunk] coffsets.append(ofs) nchunks.append(nchunk) for ofs1, ofs2 in zip(coffsets, coffsets[1:]): gap = (ofs2[0] - ofs1[0]) - chunksize if gap: t = "only sibling chunks can be stitched; gap of %d bytes between offsets %d and %d in %s" raise Pebkac(400, t % (gap, ofs1[0], ofs2[0], job["name"])) path = djoin(job["ptop"], job["prel"], job["tnam"]) if not job["sprs"]: cur_sz = bos.path.getsize(path) if coffsets[0][0] > cur_sz: t = "please upload sequentially using one thread;\nserver filesystem does not support sparse files.\n file: {}\n chunk: {}\n cofs: {}\n flen: {}" t = t.format(job["name"], nchunks[0][0], coffsets[0][0], cur_sz) raise Pebkac(400, t) job["busy"][chash] = 1 job["poke"] = time.time() return chashes, chunksize, coffsets, path, job["lmod"], job["size"], job["sprs"] def fast_confirm_chunks( self, ptop , wark , chashes ) : if not self.mutex.acquire(False): return -1, "" if not self.reg_mutex.acquire(False): self.mutex.release() return -1, "" try: return self._confirm_chunks(ptop, wark, chashes, chashes) finally: self.reg_mutex.release() self.mutex.release() def confirm_chunks( self, ptop , wark , written , locked ) : with self.mutex, self.reg_mutex: return self._confirm_chunks(ptop, wark, written, locked) def _confirm_chunks( self, ptop , wark , written , locked ) : if True: self.db_act = self.vol_act[ptop] = time.time() try: job = self.registry[ptop][wark] pdir = djoin(job["ptop"], job["prel"]) src = djoin(pdir, job["tnam"]) dst = djoin(pdir, job["name"]) except Exception as ex: return -2, "confirm_chunk, wark(%r)" % (ex,) # type: ignore for chash in locked: job["busy"].pop(chash, None) try: for chash in written: job["need"].remove(chash) except Exception as ex: # dead tcp connections can get here by timeout (OK) return -2, "confirm_chunk, chash(%s) %r" % (chash, ex) # type: ignore ret = len(job["need"]) if ret > 0: return ret, src if self.args.nw: self.regdrop(ptop, wark) return ret, dst def finish_upload(self, ptop , wark , busy_aps ) : self.busy_aps = busy_aps with self.mutex, self.reg_mutex: self._finish_upload(ptop, wark) if self.fx_backlog: self.do_fx_backlog() def _finish_upload(self, ptop , wark ) : """mutex(main,reg) me""" try: job = self.registry[ptop][wark] pdir = djoin(job["ptop"], job["prel"]) src = djoin(pdir, job["tnam"]) dst = djoin(pdir, job["name"]) except Exception as ex: self.log(min_ex(), 1) raise Pebkac(500, "finish_upload, wark, %r%s" % (ex, SEESLOG)) if job["need"]: self.log(min_ex(), 1) t = "finish_upload %s with remaining chunks %s%s" raise Pebkac(500, t % (wark, job["need"], SEESLOG)) upt = job.get("at") or time.time() vflags = self.flags[ptop] atomic_move(self.log, src, dst, vflags) times = (int(time.time()), int(job["lmod"])) t = "no more chunks, setting times %s (%d) on %r" self.log(t % (times, bos.path.getsize(dst), dst)) try: bos.utime(dst, times) except: self.log("failed to utime (%r, %s)" % (dst, times)) zs = "prel name lmod size ptop vtop wark dwrk host user addr" z2 = [job[x] for x in zs.split()] wake_sr = False try: flt = job["life"] vfs = self.vfs.all_vols[job["vtop"]] vlt = vfs.flags["lifetime"] if vlt and flt > 1 and flt < vlt: upt -= vlt - flt wake_sr = True t = "using client lifetime; at={:.0f} ({}-{})" self.log(t.format(upt, vlt, flt)) except: pass z2.append(upt) if self.idx_wark(vflags, *z2): del self.registry[ptop][wark] else: for k in "host tnam busy sprs poke".split(): del job[k] job.pop("t0c", None) job["t0"] = int(job["t0"]) job["hash"] = [] job["done"] = 1 self.regdrop(ptop, wark) if wake_sr: with self.rescan_cond: self.rescan_cond.notify_all() dupes = self.dupesched.pop(dst, []) if not dupes: return cur = self.cur.get(ptop) for rd, fn, lmod in dupes: d2 = djoin(ptop, rd, fn) if os.path.exists(d2): continue self._symlink(dst, d2, self.flags[ptop], lmod=lmod) if cur: self.db_add(cur, vflags, rd, fn, lmod, *z2[3:]) if cur: cur.connection.commit() def regdrop(self, ptop , wark ) : """mutex(main,reg) me""" olds = self.droppable[ptop] if wark: olds.append(wark) if len(olds) <= self.args.reg_cap: return n = len(olds) - int(self.args.reg_cap / 2) t = "up2k-registry [{}] has {} droppables; discarding {}" self.log(t.format(ptop, len(olds), n)) for k in olds[:n]: self.registry[ptop].pop(k, None) self.droppable[ptop] = olds[n:] def idx_wark( self, vflags , rd , fn , lmod , sz , ptop , vtop , wark , dwark , host , usr , ip , at , skip_xau = False, ) : cur = self.cur.get(ptop) if not cur: return False self.db_act = self.vol_act[ptop] = time.time() try: self.db_add( cur, vflags, rd, fn, lmod, sz, ptop, vtop, wark, dwark, host, usr, ip, at, skip_xau, ) cur.connection.commit() except Exception as ex: x = self.register_vpath(ptop, {}) db_ex_chk(self.log, ex, x[1]) raise if "e2t" in self.flags[ptop]: self.tagq.put((ptop, dwark, rd, fn, sz, ip, at)) self.n_tagq += 1 return True def db_rm(self, db , rd , fn , sz ) : sql = "delete from up where rd = ? and fn = ?" try: r = db.execute(sql, (rd, fn)) except: r = db.execute(sql, s3enc(self.mem_cur, rd, fn)) if r.rowcount: self.volsize[db] -= sz self.volnfiles[db] -= 1 def db_add( self, db , vflags , rd , fn , ts , sz , ptop , vtop , wark , dwark , host , usr , ip , at , skip_xau = False, ) : """mutex(main) me""" self.db_rm(db, rd, fn, sz) if not ip: db_ip = "" else: # plugins may expect this to look like an actual IP db_ip = "1.1.1.1" if "no_db_ip" in vflags else ip sql = "insert into up values (?,?,?,?,?,?,?)" v = (dwark, int(ts), sz, rd, fn, db_ip, int(at or 0)) try: db.execute(sql, v) except: rd, fn = s3enc(self.mem_cur, rd, fn) v = (dwark, int(ts), sz, rd, fn, db_ip, int(at or 0)) db.execute(sql, v) self.volsize[db] += sz self.volnfiles[db] += 1 xau = False if skip_xau else vflags.get("xau") dst = djoin(ptop, rd, fn) if xau: hr = runhook( self.log, None, self, "xau.up2k", xau, dst, djoin(vtop, rd, fn), host, usr, self.vfs.get_perms(djoin(vtop, rd, fn), usr), ts, sz, ip, at or time.time(), "", ) if not hr: t = "upload blocked by xau server config" self.log(t, 1) wunlink(self.log, dst, vflags) self.registry[ptop].pop(wark, None) raise Pebkac(403, t) xiu = vflags.get("xiu") if xiu: cds = set() for cmd in xiu: m = self.xiu_ptn.search(cmd) cds.add(int(m.group(1)) if m else 5) q = "insert into iu values (?,?,?,?)" for cd in cds: # one for each unique cooldown duration try: db.execute(q, (cd, dwark[:16], rd, fn)) except: rd, fn = s3enc(self.mem_cur, rd, fn) db.execute(q, (cd, dwark[:16], rd, fn)) if self.xiu_asleep: self.xiu_asleep = False with self.rescan_cond: self.rescan_cond.notify_all() if rd and sz and fn.lower() in self.args.th_coversd_set: # wasteful; db_add will re-index actual covers # but that won't catch existing files crd, cdn = rd.rsplit("/", 1) if "/" in rd else ("", rd) try: q = "select fn from cv where rd=? and dn=?" db_cv = db.execute(q, (crd, cdn)).fetchone()[0] db_lcv = db_cv.lower() if db_lcv in self.args.th_coversd_set: idx_db = self.args.th_coversd.index(db_lcv) idx_fn = self.args.th_coversd.index(fn.lower()) add_cv = idx_fn < idx_db else: add_cv = True except: add_cv = True if add_cv: try: db.execute("delete from cv where rd=? and dn=?", (crd, cdn)) db.execute("insert into cv values (?,?,?)", (crd, cdn, fn)) except: pass if "nodirsz" not in vflags: try: q = "update ds set nf=nf+1, sz=sz+? where rd=?" q2 = "insert into ds values(?,?,1)" while True: if not db.execute(q, (sz, rd)).rowcount: db.execute(q2, (rd, sz)) if not rd: break rd = rd.rsplit("/", 1)[0] if "/" in rd else "" except: pass def handle_rm( self, uname , ip , vpaths , lim , rm_up , unpost , ) : n_files = 0 ok = {} ng = {} for vp in vpaths: if lim and lim[0] <= 0: self.log("hit delete limit of {} files".format(lim[1]), 3) break a, b, c = self._handle_rm(uname, ip, vp, lim, rm_up, unpost) n_files += a for k in b: ok[k] = 1 for k in c: ng[k] = 1 ng = {k: 1 for k in ng if k not in ok} iok = len(ok) ing = len(ng) return "deleted {} files (and {}/{} folders)".format(n_files, iok, iok + ing) def _handle_rm( self, uname , ip , vpath , lim , rm_up , unpost ) : self.db_act = time.time() partial = "" if not unpost: permsets = [[True, False, False, True]] vn0, rem0 = self.vfs.get(vpath, uname, *permsets[0]) vn, rem = vn0.get_dbv(rem0) else: # unpost with missing permissions? verify with db permsets = [[False, True]] vn0, rem0 = self.vfs.get(vpath, uname, *permsets[0]) vn, rem = vn0.get_dbv(rem0) ptop = vn.realpath with self.mutex, self.reg_mutex: abrt_cfg = self.flags.get(ptop, {}).get("u2abort", 1) addr = (ip or "\n") if abrt_cfg in (1, 2) else "" user = ((uname or "\n"), "*") if abrt_cfg in (1, 3) else None reg = self.registry.get(ptop, {}) if abrt_cfg else {} for wark, job in reg.items(): if (addr and addr != job["addr"]) or ( user and job["user"] not in user ): continue jrem = djoin(job["prel"], job["name"]) if ANYWIN: jrem = jrem.replace("\\", "/") if jrem == rem: if job["ptop"] != ptop: t = "job.ptop [%s] != vol.ptop [%s] ??" raise Exception(t % (job["ptop"], ptop)) partial = vn.canonical(vjoin(job["prel"], job["tnam"])) break if partial: dip = ip dat = time.time() else: if not self.args.unpost: t = "the unpost feature is disabled in server config" raise Pebkac(400, t) _, _, _, _, dip, dat = self._find_from_vpath(ptop, rem) t = "you cannot delete this: " if not dip: t += "file not found" elif dip != ip: t += "not uploaded by (You)" elif dat < time.time() - self.args.unpost: t += "uploaded too long ago" else: t = "" if t: raise Pebkac(400, t) ptop = vn.realpath atop = vn.canonical(rem, False) self.vol_act[ptop] = self.db_act adir, fn = os.path.split(atop) try: st = bos.lstat(atop) is_dir = stat.S_ISDIR(st.st_mode) except: raise Pebkac(400, "file not found on disk (already deleted?)") scandir = not self.args.no_scandir if is_dir: # note: deletion inside shares would require a rewrite here; # shares necessitate get_dbv which is incompatible with walk g = vn0.walk("", rem0, [], uname, permsets, 2, scandir, True) if unpost: raise Pebkac(400, "cannot unpost folders") elif stat.S_ISLNK(st.st_mode) or stat.S_ISREG(st.st_mode): voldir = vsplit(rem)[0] vpath_dir = vsplit(vpath)[0] g = [(vn, voldir, vpath_dir, adir, [(fn, 0)], [], {})] # type: ignore else: self.log("rm: skip type-0%o file %r" % (st.st_mode, atop)) return 0, [], [] xbd = vn.flags.get("xbd") xad = vn.flags.get("xad") n_files = 0 for dbv, vrem, _, adir, files, rd, vd in g: for fn in [x[0] for x in files]: if lim: lim[0] -= 1 if lim[0] < 0: self.log("hit delete limit of {} files".format(lim[1]), 3) break abspath = djoin(adir, fn) st = stl = bos.lstat(abspath) if stat.S_ISLNK(st.st_mode): try: st = bos.stat(abspath) except: pass volpath = ("%s/%s" % (vrem, fn)).strip("/") vpath = ("%s/%s" % (dbv.vpath, volpath)).strip("/") self.log("rm %r\n %r" % (vpath, abspath)) if not unpost: # recursion-only sanchk _ = dbv.get(volpath, uname, *permsets[0]) if xbd: if not runhook( self.log, None, self, "xbd", xbd, abspath, vpath, "", uname, self.vfs.get_perms(vpath, uname), stl.st_mtime, st.st_size, ip, time.time(), "", ): t = "delete blocked by xbd server config: %r" self.log(t % (abspath,), 1) continue n_files += 1 with self.mutex, self.reg_mutex: cur = None try: ptop = dbv.realpath xlink = bool(dbv.flags.get("xlink")) cur, wark, _, _, _, _ = self._find_from_vpath(ptop, volpath) self._forget_file( ptop, volpath, cur, wark, True, st.st_size, xlink ) finally: if cur: cur.connection.commit() wunlink(self.log, abspath, dbv.flags) if partial: wunlink(self.log, partial, dbv.flags) partial = "" if xad: runhook( self.log, None, self, "xad", xad, abspath, vpath, "", uname, self.vfs.get_perms(vpath, uname), stl.st_mtime, st.st_size, ip, time.time(), "", ) if is_dir: ok, ng = rmdirs(self.log_func, scandir, True, atop, 1) else: ok = ng = [] if rm_up: ok2, ng2 = rmdirs_up(os.path.dirname(atop), ptop) else: ok2 = ng2 = [] return n_files, ok + ok2, ng + ng2 def handle_cp(self, uname , ip , svp , dvp ) : if svp == dvp or dvp.startswith(svp + "/"): raise Pebkac(400, "cp: cannot copy parent into subfolder") svn, srem = self.vfs.get(svp, uname, True, False) dvn, drem = self.vfs.get(dvp, uname, False, True) svn_dbv, _ = svn.get_dbv(srem) sabs = svn.canonical(srem, False) curs = set() self.db_act = self.vol_act[svn_dbv.realpath] = time.time() st = bos.stat(sabs) if stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode): with self.mutex: try: ret = self._cp_file(uname, ip, svp, dvp, curs) finally: for v in curs: v.connection.commit() return ret if not stat.S_ISDIR(st.st_mode): raise Pebkac(400, "cannot copy type-0%o file" % (st.st_mode,)) permsets = [[True, False]] scandir = not self.args.no_scandir # if user can see dotfiles in target volume, only include # dots from source vols where user also has the dot perm dots = 1 if uname in dvn.axs.udot else 2 # don't use svn_dbv; would skip subvols due to _ls `if not rem:` g = svn.walk("", srem, [], uname, permsets, dots, scandir, True) with self.mutex: try: for dbv, vrem, _, atop, files, rd, vd in g: for fn in files: self.db_act = self.vol_act[dbv.realpath] = time.time() svpf = "/".join(x for x in [dbv.vpath, vrem, fn[0]] if x) if not svpf.startswith(svp + "/"): # assert self.log(min_ex(), 1) t = "cp: bug at %r, top %r%s" raise Pebkac(500, t % (svpf, svp, SEESLOG)) dvpf = dvp + svpf[len(svp) :] self._cp_file(uname, ip, svpf, dvpf, curs) for v in curs: v.connection.commit() curs.clear() finally: for v in curs: v.connection.commit() return "k" def _cp_file( self, uname , ip , svp , dvp , curs ) : """mutex(main) me; will mutex(reg)""" svn, srem = self.vfs.get(svp, uname, True, False) svn_dbv, srem_dbv = svn.get_dbv(srem) dvn, drem = self.vfs.get(dvp, uname, False, True) dvn, drem = dvn.get_dbv(drem) sabs = svn.canonical(srem, False) dabs = dvn.canonical(drem) drd, dfn = vsplit(drem) if bos.path.exists(dabs): raise Pebkac(400, "cp2: target file exists") st = stl = bos.lstat(sabs) if stat.S_ISLNK(stl.st_mode): is_link = True try: st = bos.stat(sabs) except: pass # broken symlink; keep as-is elif not stat.S_ISREG(st.st_mode): self.log("skipping type-0%o file %r" % (st.st_mode, sabs)) return "" else: is_link = False ftime = stl.st_mtime fsize = st.st_size xbc = svn.flags.get("xbc") xac = dvn.flags.get("xac") if xbc: if not runhook( self.log, None, self, "xbc", xbc, sabs, svp, "", uname, self.vfs.get_perms(svp, uname), ftime, fsize, ip, time.time(), "", ): t = "copy blocked by xbr server config: %r" % (svp,) self.log(t, 1) raise Pebkac(405, t) bos.makedirs(os.path.dirname(dabs), vf=dvn.flags) c1, w, ftime_, fsize_, ip, at = self._find_from_vpath( svn_dbv.realpath, srem_dbv ) c2 = self.cur.get(dvn.realpath) if w: if c2 and c2 != c1: self._copy_tags(c1, c2, w) curs.add(c1) if c2: self.db_add( c2, {}, # skip upload hooks drd, dfn, ftime, fsize, dvn.realpath, dvn.vpath, w, w, "", "", ip or "", at or 0, ) curs.add(c2) else: self.log("not found in src db: %r" % (svp,)) try: if is_link and st != stl: # relink non-broken symlinks to still work after the move, # but only resolve 1st level to maintain relativity dlink = bos.readlink(sabs) dlink = os.path.join(os.path.dirname(sabs), dlink) dlink = bos.path.abspath(dlink) self._symlink(dlink, dabs, dvn.flags, lmod=ftime) else: self._symlink(sabs, dabs, dvn.flags, lmod=ftime) except OSError as ex: if ex.errno != errno.EXDEV: raise self.log("using plain copy (%s):\n %r\n %r" % (ex.strerror, sabs, dabs)) b1, b2 = fsenc(sabs), fsenc(dabs) is_link = os.path.islink(b1) # due to _relink try: shutil.copy2(b1, b2) except: try: wunlink(self.log, dabs, dvn.flags) except: pass if not is_link: raise # broken symlink? keep it as-is try: zb = os.readlink(b1) os.symlink(zb, b2) except: wunlink(self.log, dabs, dvn.flags) raise if is_link: try: times = (int(time.time()), int(ftime)) bos.utime(dabs, times, False) except: pass if xac: runhook( self.log, None, self, "xac", xac, dabs, dvp, "", uname, self.vfs.get_perms(dvp, uname), ftime, fsize, ip, time.time(), "", ) return "k" def handle_mv(self, uname , ip , svp , dvp ) : if svp == dvp or dvp.startswith(svp + "/"): raise Pebkac(400, "mv: cannot move parent into subfolder") svn, srem = self.vfs.get(svp, uname, True, False, True) jail, jail_rem = svn.get_dbv(srem) sabs = svn.canonical(srem, False) curs = set() self.db_act = self.vol_act[jail.realpath] = time.time() if not jail_rem: raise Pebkac(400, "mv: cannot move a mountpoint") st = bos.lstat(sabs) if stat.S_ISREG(st.st_mode) or stat.S_ISLNK(st.st_mode): with self.mutex: try: ret = self._mv_file(uname, ip, svp, dvp, curs) finally: for v in curs: v.connection.commit() return ret if not stat.S_ISDIR(st.st_mode): raise Pebkac(400, "cannot move type-0%o file" % (st.st_mode,)) permsets = [[True, False, True]] scandir = not self.args.no_scandir # following symlinks is too scary g = svn.walk("", srem, [], uname, permsets, 2, scandir, True) for dbv, vrem, _, atop, files, rd, vd in g: if dbv != jail: # fail early (prevent partial moves) raise Pebkac(400, "mv: source folder contains other volumes") g = svn.walk("", srem, [], uname, permsets, 2, scandir, True) with self.mutex: try: for dbv, vrem, _, atop, files, rd, vd in g: if dbv != jail: # the actual check (avoid toctou) raise Pebkac(400, "mv: source folder contains other volumes") for fn in files: self.db_act = self.vol_act[dbv.realpath] = time.time() svpf = "/".join(x for x in [dbv.vpath, vrem, fn[0]] if x) if not svpf.startswith(svp + "/"): # assert self.log(min_ex(), 1) t = "mv: bug at %r, top %r%s" raise Pebkac(500, t % (svpf, svp, SEESLOG)) dvpf = dvp + svpf[len(svp) :] self._mv_file(uname, ip, svpf, dvpf, curs) for v in curs: v.connection.commit() curs.clear() finally: for v in curs: v.connection.commit() rm_ok, rm_ng = rmdirs(self.log_func, scandir, True, sabs, 1) for zsl in (rm_ok, rm_ng): for ap in reversed(zsl): if not ap.startswith(sabs): self.log(min_ex(), 1) t = "mv_d: bug at %r, top %r%s" raise Pebkac(500, t % (ap, sabs, SEESLOG)) rem = ap[len(sabs) :].replace(os.sep, "/").lstrip("/") vp = vjoin(dvp, rem) try: dvn, drem = self.vfs.get(vp, uname, False, True) dap = dvn.canonical(drem) bos.mkdir(dap, dvn.flags["chmod_d"]) if "chown" in dvn.flags: bos.chown(dap, dvn.flags["uid"], dvn.flags["gid"]) except: pass return "k" def _mv_file( self, uname , ip , svp , dvp , curs ) : """mutex(main) me; will mutex(reg)""" svn, srem = self.vfs.get(svp, uname, True, False, True) svn, srem = svn.get_dbv(srem) dvn, drem = self.vfs.get(dvp, uname, False, True) dvn, drem = dvn.get_dbv(drem) sabs = svn.canonical(srem, False) dabs = dvn.canonical(drem) drd, dfn = vsplit(drem) n1 = svp.split("/")[-1] n2 = dvp.split("/")[-1] if n1.startswith(".") or n2.startswith("."): if self.args.no_dot_mv: raise Pebkac(400, "moving dotfiles is disabled in server config") elif self.args.no_dot_ren and n1 != n2: raise Pebkac(400, "renaming dotfiles is disabled in server config") if bos.path.exists(dabs): raise Pebkac(400, "mv2: target file exists") is_link = is_dirlink = False st = stl = bos.lstat(sabs) if stat.S_ISLNK(stl.st_mode): is_link = True try: st = bos.stat(sabs) is_dirlink = stat.S_ISDIR(st.st_mode) except: pass # broken symlink; keep as-is ftime = stl.st_mtime fsize = st.st_size xbr = svn.flags.get("xbr") xar = dvn.flags.get("xar") if xbr: if not runhook( self.log, None, self, "xbr", xbr, sabs, svp, "", uname, self.vfs.get_perms(svp, uname), ftime, fsize, ip, time.time(), "", ): t = "move blocked by xbr server config: %r" % (svp,) self.log(t, 1) raise Pebkac(405, t) is_xvol = svn.realpath != dvn.realpath bos.makedirs(os.path.dirname(dabs), vf=dvn.flags) if is_dirlink: dlabs = absreal(sabs) t = "moving symlink from %r to %r, target %r" self.log(t % (sabs, dabs, dlabs)) mt = bos.path.getmtime(sabs, False) wunlink(self.log, sabs, svn.flags) self._symlink(dlabs, dabs, dvn.flags, False, lmod=mt) # folders are too scary, schedule rescan of both vols self.need_rescan.add(svn.vpath) self.need_rescan.add(dvn.vpath) with self.rescan_cond: self.rescan_cond.notify_all() if xar: runhook( self.log, None, self, "xar.ln", xar, dabs, dvp, "", uname, self.vfs.get_perms(dvp, uname), ftime, fsize, ip, time.time(), "", ) return "k" c1, w, ftime_, fsize_, ip, at = self._find_from_vpath(svn.realpath, srem) c2 = self.cur.get(dvn.realpath) has_dupes = False if w: if c2 and c2 != c1: self._copy_tags(c1, c2, w) xlink = bool(svn.flags.get("xlink")) with self.reg_mutex: has_dupes = self._forget_file( svn.realpath, srem, c1, w, is_xvol, fsize_ or fsize, xlink ) if not is_xvol: has_dupes = self._relink(w, svn.realpath, srem, dabs, c1, xlink) curs.add(c1) if c2: self.db_add( c2, {}, # skip upload hooks drd, dfn, ftime, fsize, dvn.realpath, dvn.vpath, w, w, "", "", ip or "", at or 0, ) curs.add(c2) else: self.log("not found in src db: %r" % (svp,)) try: if is_xvol and has_dupes: raise OSError(errno.EXDEV, "src is symlink") if is_link and st != stl: # relink non-broken symlinks to still work after the move, # but only resolve 1st level to maintain relativity dlink = bos.readlink(sabs) dlink = os.path.join(os.path.dirname(sabs), dlink) dlink = bos.path.abspath(dlink) self._symlink(dlink, dabs, dvn.flags, lmod=ftime, is_mv=True) wunlink(self.log, sabs, svn.flags) else: atomic_move(self.log, sabs, dabs, svn.flags) except OSError as ex: if ex.errno != errno.EXDEV: raise self.log("using copy+delete (%s):\n %r\n %r" % (ex.strerror, sabs, dabs)) b1, b2 = fsenc(sabs), fsenc(dabs) is_link = os.path.islink(b1) # due to _relink try: shutil.copy2(b1, b2) except: try: wunlink(self.log, dabs, dvn.flags) except: pass if not is_link: raise # broken symlink? keep it as-is try: zb = os.readlink(b1) os.symlink(zb, b2) except: wunlink(self.log, dabs, dvn.flags) raise if is_link: try: times = (int(time.time()), int(ftime)) bos.utime(dabs, times, False) except: pass wunlink(self.log, sabs, svn.flags) if xar: runhook( self.log, None, self, "xar.mv", xar, dabs, dvp, "", uname, self.vfs.get_perms(dvp, uname), ftime, fsize, ip, time.time(), "", ) return "k" def _copy_tags( self, csrc , cdst , wark ) : """copy all tags for wark from src-db to dst-db""" w = wark[:16] if cdst.execute("select * from mt where w=? limit 1", (w,)).fetchone(): return # existing tags in dest db for _, k, v in csrc.execute("select * from mt where w=?", (w,)): cdst.execute("insert into mt values(?,?,?)", (w, k, v)) def _find_from_vpath( self, ptop , vrem ): cur = self.cur.get(ptop) if not cur: return None, None, None, None, "", None rd, fn = vsplit(vrem) q = "select w, mt, sz, ip, at from up where rd=? and fn=? limit 1" try: c = cur.execute(q, (rd, fn)) except: c = cur.execute(q, s3enc(self.mem_cur, rd, fn)) hit = c.fetchone() if hit: wark, ftime, fsize, ip, at = hit return cur, wark, ftime, fsize, ip, at return cur, None, None, None, "", None def _forget_file( self, ptop , vrem , cur , wark , drop_tags , sz , xlink , ) : """ mutex(main,reg) me forgets file in db, fixes symlinks, does not delete """ srd, sfn = vsplit(vrem) has_dupes = False self.log("forgetting %r" % (vrem,)) if wark and cur: self.log("found {} in db".format(wark)) if drop_tags: if self._relink(wark, ptop, vrem, "", cur, xlink): has_dupes = True drop_tags = False if drop_tags: q = "delete from mt where w=?" cur.execute(q, (wark[:16],)) self.db_rm(cur, srd, sfn, sz) reg = self.registry.get(ptop) if reg: vdir = vsplit(vrem)[0] wark = wark or next( ( x for x, y in reg.items() if sfn in [y["name"], y.get("tnam")] and y["prel"] == vdir ), "", ) job = reg.get(wark) if wark else None if job: if job["need"]: t = "forgetting partial upload {} ({})" p = self._vis_job_progress(job) self.log(t.format(wark, p)) src = djoin(ptop, vrem) zi = len(self.dupesched.pop(src, [])) if zi: t = "...and forgetting %d links in dupesched" self.log(t % (zi,)) assert wark del reg[wark] return has_dupes def _relink( self, wark , sptop , srem , dabs , vcur , xlink , ) : """ update symlinks from file at svn/srem to dabs (rename), or to first remaining full if no dabs (delete) """ dupes = [] sabs = djoin(sptop, srem) if self.no_expr_idx: q = r"select rd, fn from up where w = ?" argv = (wark,) else: q = r"select rd, fn from up where substr(w,1,16)=? and +w=?" argv = (wark[:16], wark) for ptop, cur in self.cur.items(): if not xlink and cur and cur != vcur: continue for rd, fn in cur.execute(q, argv): if rd.startswith("//") or fn.startswith("//"): rd, fn = s3dec(rd, fn) dvrem = vjoin(rd, fn).strip("/") if ptop != sptop or srem != dvrem: dupes.append([ptop, dvrem]) self.log("found %s dupe: %r %r" % (wark, ptop, dvrem)) if not dupes: return 0 full = {} links = {} for ptop, vp in dupes: ap = djoin(ptop, vp) try: d = links if bos.path.islink(ap) else full d[ap] = (ptop, vp) except: self.log("relink: not found: %r" % (ap,)) # self.log("full:\n" + "\n".join(" {:90}: {}".format(*x) for x in full.items())) # self.log("links:\n" + "\n".join(" {:90}: {}".format(*x) for x in links.items())) if not dabs and not full and links: # deleting final remaining full copy; swap it with a symlink slabs = list(sorted(links.keys()))[0] ptop, rem = links.pop(slabs) self.log("linkswap %r and %r" % (sabs, slabs)) mt = bos.path.getmtime(slabs, False) flags = self.flags.get(ptop) or {} atomic_move(self.log, sabs, slabs, flags) bos.utime(slabs, (int(time.time()), int(mt)), False) self._symlink(slabs, sabs, flags, False, is_mv=True) full[slabs] = (ptop, rem) sabs = slabs if not dabs: dabs = list(sorted(full.keys()))[0] for alink, parts in links.items(): lmod = 0.0 try: faulty = False ldst = alink try: for n in range(40): # MAXSYMLINKS zs = bos.readlink(ldst) ldst = os.path.join(os.path.dirname(ldst), zs) ldst = bos.path.abspath(ldst) if not bos.path.islink(ldst): break if ldst == sabs: t = "relink because level %d would break:" self.log(t % (n,), 6) faulty = True except Exception as ex: self.log("relink because walk failed: %s; %r" % (ex, ex), 3) faulty = True zs = absreal(alink) if ldst != zs: t = "relink because computed != actual destination:\n %r\n %r" self.log(t % (ldst, zs), 3) ldst = zs faulty = True if bos.path.islink(ldst): raise Exception("broken symlink: %s" % (alink,)) if alink != sabs and ldst != sabs and not faulty: continue # original symlink OK; leave it be except Exception as ex: t = "relink because symlink verification failed: %s; %r" self.log(t % (ex, ex), 3) self.log("relinking %r to %r" % (alink, dabs)) flags = self.flags.get(parts[0]) or {} try: lmod = bos.path.getmtime(alink, False) wunlink(self.log, alink, flags) except: pass # this creates a link pointing from dabs to alink; alink may # not exist yet, which becomes problematic if the symlinking # fails and it has to fall back on hardlinking/copying files # (for example a volume with symlinked dupes but no --dedup); # fsrc=sabs is then a source that currently resolves to copy self._symlink( dabs, alink, flags, False, lmod=lmod or 0, fsrc=sabs, is_mv=True ) return len(full) + len(links) def _get_wark(self, cj ) : if len(cj["name"]) > 1024 or len(cj["hash"]) > 512 * 1024: # 16TiB raise Pebkac(400, "name or numchunks not according to spec") for k in cj["hash"]: if not self.r_hash.match(k): raise Pebkac( 400, "at least one hash is not according to spec: {}".format(k) ) # try to use client-provided timestamp, don't care if it fails somehow try: cj["lmod"] = int(cj["lmod"]) except: cj["lmod"] = int(time.time()) if cj["hash"]: wark = up2k_wark_from_hashlist(self.salt, cj["size"], cj["hash"]) else: wark = up2k_wark_from_metadata( self.salt, cj["size"], cj["lmod"], cj["prel"], cj["name"] ) return wark def _hashlist_from_file( self, path , prefix = "" ) : st = bos.stat(path) fsz = st.st_size csz = up2k_chunksize(fsz) ret = [] suffix = " MB, {}".format(path) with open(fsenc(path), "rb", self.args.iobuf) as f: if self.mth and fsz >= 1024 * 512: tlt = self.mth.hash(f, fsz, csz, self.pp, prefix, suffix) ret = [x[0] for x in tlt] fsz = 0 while fsz > 0: # same as `hash_at` except for `imutex` / bufsz if self.stop: return [], st if self.pp: mb = fsz // (1024 * 1024) self.pp.msg = prefix + str(mb) + suffix hashobj = hashlib.sha512() rem = min(csz, fsz) fsz -= rem while rem > 0: buf = f.read(min(rem, 64 * 1024)) if not buf: raise Exception("EOF at " + str(f.tell())) hashobj.update(buf) rem -= len(buf) digest = hashobj.digest()[:33] ret.append(ub64enc(digest).decode("ascii")) return ret, st def _new_upload(self, job , vfs , depth ) : pdir = djoin(job["ptop"], job["prel"]) if not job["size"]: try: inf = bos.stat(djoin(pdir, job["name"])) if stat.S_ISREG(inf.st_mode): job["lmod"] = inf.st_size return {} except: pass vf = self.flags[job["ptop"]] xbu = vf.get("xbu") ap_chk = djoin(pdir, job["name"]) vp_chk = djoin(job["vtop"], job["prel"], job["name"]) if xbu: hr = runhook( self.log, None, self, "xbu.up2k", xbu, ap_chk, vp_chk, job["host"], job["user"], self.vfs.get_perms(vp_chk, job["user"]), job["lmod"], job["size"], job["addr"], job["t0"], "", ) if not hr: t = "upload blocked by xbu server config: %r" % (vp_chk,) self.log(t, 1) raise Pebkac(403, t) if hr.get("reloc"): x = pathmod(self.vfs, ap_chk, vp_chk, hr["reloc"]) if x: ud1 = (vfs.vpath, job["prel"], job["name"]) pdir, _, job["name"], (vfs, rem) = x job["vcfg"] = vf = vfs.flags job["ptop"] = vfs.realpath job["vtop"] = vfs.vpath job["prel"] = rem job["name"] = sanitize_fn(job["name"], "") ud2 = (vfs.vpath, job["prel"], job["name"]) if ud1 != ud2: self.log("xbu reloc2:%d..." % (depth,), 6) return self._handle_json(job, depth + 1) job["name"] = self._untaken(pdir, job, job["t0"]) self.registry[job["ptop"]][job["wark"]] = job tnam = job["name"] + ".PARTIAL" if self.args.dotpart: tnam = "." + tnam if self.args.nw: job["tnam"] = tnam if not job["hash"]: del self.registry[job["ptop"]][job["wark"]] return {} if self.args.plain_ip: dip = job["addr"].replace(":", ".") else: dip = self.hub.iphash.s(job["addr"]) f, job["tnam"] = ren_open( tnam, "wb", fdir=pdir, suffix="-%.6f-%s" % (job["t0"], dip), vf=vf, ) try: abspath = djoin(pdir, job["tnam"]) sprs = job["sprs"] sz = job["size"] relabel = False if ( ANYWIN and sprs and self.args.sparse and self.args.sparse * 1024 * 1024 <= sz ): try: sp.check_call(["fsutil", "sparse", "setflag", abspath]) except: self.log("could not sparse %r" % (abspath,), 3) relabel = True sprs = False if not ANYWIN and sprs and sz > 1024 * 1024: fs = self.fstab.get(pdir) if fs == "ok": pass elif "nosparse" in vf: t = "volflag 'nosparse' is preventing creation of sparse files for uploads to [%s]" self.log(t % (job["ptop"],)) relabel = True sprs = False elif "sparse" in vf: t = "volflag 'sparse' is forcing creation of sparse files for uploads to [%s]" self.log(t % (job["ptop"],)) relabel = True else: relabel = True f.seek(1024 * 1024 - 1) f.write(b"e") f.flush() try: nblk = bos.stat(abspath).st_blocks sprs = nblk < 2048 except: sprs = False if relabel: t = "sparse files {} on {} filesystem at {}" nv = "ok" if sprs else "ng" self.log(t.format(nv, self.fstab.get(pdir), pdir)) self.fstab.relabel(pdir, nv) job["sprs"] = sprs if job["hash"] and sprs: f.seek(sz - 1) f.write(b"e") finally: f.close() if not job["hash"]: self._finish_upload(job["ptop"], job["wark"]) return {} def _snapshot(self) : slp = self.args.snap_wri if not slp or self.args.no_snap: return while True: time.sleep(slp) if self.pp: slp = 5 else: slp = self.args.snap_wri self.do_snapshot() def do_snapshot(self) : with self.mutex, self.reg_mutex: for k, reg in self.registry.items(): self._snap_reg(k, reg) def _snap_reg(self, ptop , reg ) : now = time.time() histpath = self.vfs.dbpaths.get(ptop) if not histpath: return idrop = self.args.snap_drop * 60 rm = [x for x in reg.values() if x["need"] and now - x["poke"] >= idrop] if self.args.nw: lost = [] else: lost = [ x for x in reg.values() if x["need"] and not bos.path.exists(djoin(x["ptop"], x["prel"], x["name"])) ] if rm or lost: t = "dropping {} abandoned, {} deleted uploads in {}" t = t.format(len(rm), len(lost), ptop) rm.extend(lost) vis = [self._vis_job_progress(x) for x in rm] self.log("\n".join([t] + vis)) for job in rm: del reg[job["wark"]] try: # remove the filename reservation path = djoin(job["ptop"], job["prel"], job["name"]) if bos.path.getsize(path) == 0: bos.unlink(path) except: pass try: if len(job["hash"]) == len(job["need"]): # PARTIAL is empty, delete that too path = djoin(job["ptop"], job["prel"], job["tnam"]) bos.unlink(path) except: pass if self.args.nw or self.args.no_snap: return path = os.path.join(histpath, "up2k.snap") if not reg: if ptop not in self.snap_prev or self.snap_prev[ptop] is not None: self.snap_prev[ptop] = None if bos.path.exists(path): bos.unlink(path) return newest = float( max(x["t0"] if "done" in x else x["poke"] for _, x in reg.items()) if reg else 0 ) etag = (len(reg), newest) if etag == self.snap_prev.get(ptop): return if bos.makedirs(histpath): hidedir(histpath) path2 = "{}.{}".format(path, os.getpid()) body = {"droppable": self.droppable[ptop], "registry": reg} j = json.dumps(body, sort_keys=True, separators=(",\n", ": ")).encode("utf-8") # j = re.sub(r'"(need|hash)": \[\],\n', "", j) # bytes=slow, utf8=hungry j = j.replace(b'"need": [],\n', b"") # surprisingly optimal j = j.replace(b'"hash": [],\n', b"") with gzip.GzipFile(path2, "wb") as f: f.write(j) atomic_move(self.log, path2, path, VF_CAREFUL) self.log("snap: %s |%d| %.2fs" % (path, len(reg), time.time() - now)) self.snap_prev[ptop] = etag def _tagger(self) : with self.mutex: self.n_tagq += 1 assert self.mtag while True: with self.mutex: self.n_tagq -= 1 ptop, wark, rd, fn, sz, ip, at = self.tagq.get() if "e2t" not in self.flags[ptop]: continue # self.log("\n " + repr([ptop, rd, fn])) abspath = djoin(ptop, rd, fn) try: tags = self.mtag.get(abspath) if sz else {} ntags1 = len(tags) parsers = self._get_parsers(ptop, tags, abspath) if self.args.mtag_vv: t = "parsers({}): {}\n{} {} tags: {}".format( ptop, list(parsers.keys()), ntags1, self.mtag.backend, tags ) self.log(t) if parsers: tags["up_ip"] = ip tags["up_at"] = at tags.update(self.mtag.get_bin(parsers, abspath, tags)) except Exception as ex: self._log_tag_err("", abspath, ex) continue with self.mutex: cur = self.cur[ptop] if not cur: self.log("no cursor to write tags with??", c=1) continue # TODO is undef if vol 404 on startup entags = self.entags.get(ptop) if not entags: self.log("no entags okay.jpg", c=3) continue self._tag_file(cur, entags, wark, abspath, tags) cur.connection.commit() self.log("tagged %r (%d+%d)" % (abspath, ntags1, len(tags) - ntags1)) def _hasher(self) : with self.hashq_mutex: self.n_hashq += 1 while True: with self.hashq_mutex: self.n_hashq -= 1 # self.log("hashq {}".format(self.n_hashq)) task = self.hashq.get() if len(task) != 9: raise Exception("invalid hash task") try: if not self._hash_t(task) and self.stop: return except Exception as ex: self.log("failed to hash %r: %s" % (task, ex), 1) def _hash_t( self, task ) : ptop, vtop, flags, rd, fn, ip, at, usr, skip_xau = task # self.log("hashq {} pop {}/{}/{}".format(self.n_hashq, ptop, rd, fn)) with self.mutex, self.reg_mutex: if not self.register_vpath(ptop, flags): return True abspath = djoin(ptop, rd, fn) self.log("hashing %r" % (abspath,)) inf = bos.stat(abspath) if not inf.st_size: wark = up2k_wark_from_metadata( self.salt, inf.st_size, int(inf.st_mtime), rd, fn ) else: hashes, _ = self._hashlist_from_file(abspath) if not hashes: return False wark = up2k_wark_from_hashlist(self.salt, inf.st_size, hashes) with self.mutex, self.reg_mutex: self.idx_wark( self.flags[ptop], rd, fn, inf.st_mtime, inf.st_size, ptop, vtop, wark, wark, "", usr, ip, at, skip_xau, ) if at and time.time() - at > 30: with self.rescan_cond: self.rescan_cond.notify_all() if self.fx_backlog: self.do_fx_backlog() return True def hash_file( self, ptop , vtop , flags , rd , fn , ip , at , usr , skip_xau = False, ) : if "e2d" not in flags: return if self.n_hashq > 1024: t = "%d files in hashq; taking a nap" self.log(t % (self.n_hashq,), 6) for _ in range(self.n_hashq // 1024): time.sleep(0.1) if self.n_hashq < 1024: break zt = (ptop, vtop, flags, rd, fn, ip, at, usr, skip_xau) with self.hashq_mutex: self.hashq.put(zt) self.n_hashq += 1 def do_fx_backlog(self): with self.mutex, self.reg_mutex: todo = self.fx_backlog self.fx_backlog = [] for act, hr, req_vp in todo: self.hook_fx(act, hr, req_vp) def hook_fx(self, act , hr , req_vp ) : bad = [k for k in hr if k != "vp"] if bad: t = "got unsupported key in %s from hook: %s" raise Exception(t % (act, bad)) for fvp in hr.get("vp") or []: # expect vpath including filename; either absolute # or relative to the client's vpath (request url) if fvp.startswith("/"): fvp, fn = vsplit(fvp[1:]) fvp = "/" + fvp else: fvp, fn = vsplit(fvp) x = pathmod(self.vfs, "", req_vp, {"vp": fvp, "fn": fn}) if not x: t = "hook_fx(%s): failed to resolve %r based on %r" self.log(t % (act, fvp, req_vp)) continue ap, rd, fn, (vn, rem) = x vp = vjoin(rd, fn) if not vp: raise Exception("hook_fx: blank vp from pathmod") if act == "idx": rd = rd[len(vn.vpath) :].strip("/") self.hash_file( vn.realpath, vn.vpath, vn.flags, rd, fn, "", time.time(), "", True ) if act == "del": self._handle_rm(LEELOO_DALLAS, "", vp, [], False, False) def shutdown(self) : self.stop = True if self.mth: self.mth.stop = True # in case we're killed early for x in list(self.spools): self._unspool(x) if not self.args.no_snap: self.log("writing snapshot") self.do_snapshot() t0 = time.time() while self.pp: time.sleep(0.1) if time.time() - t0 >= 1: break # if there is time for x in list(self.spools): self._unspool(x) for cur in self.cur.values(): db = cur.connection try: db.interrupt() except: pass cur.close() db.close() if self.mem_cur: db = self.mem_cur.connection self.mem_cur.close() db.close() self.registry = {} def up2k_chunksize(filesize ) : chunksize = 1024 * 1024 stepsize = 512 * 1024 while True: for mul in [1, 2]: nchunks = math.ceil(filesize * 1.0 / chunksize) if nchunks <= 256 or (chunksize >= 32 * 1024 * 1024 and nchunks <= 4096): return chunksize chunksize += stepsize stepsize *= mul def up2k_wark_from_hashlist(salt , filesize , hashes ) : """server-reproducible file identifier, independent of name or location""" values = [salt, str(filesize)] + hashes vstr = "\n".join(values) wark = hashlib.sha512(vstr.encode("utf-8")).digest()[:33] return ub64enc(wark).decode("ascii") def up2k_wark_from_metadata(salt , sz , lastmod , rd , fn ) : ret = sfsenc("%s\n%d\n%d\n%s\n%s" % (salt, lastmod, sz, rd, fn)) ret = ub64enc(hashlib.sha512(ret).digest()) return ("#%s" % (ret.decode("ascii"),))[:44]