copyparty/copyparty/u2idx.py
2021-02-22 03:46:02 +01:00

149 lines
3.6 KiB
Python

# coding: utf-8
from __future__ import print_function, unicode_literals
import os
from datetime import datetime
from .util import u8safe
from .up2k import up2k_wark_from_hashlist
try:
HAVE_SQLITE3 = True
import sqlite3
except:
HAVE_SQLITE3 = False
class U2idx(object):
def __init__(self, args, log_func):
self.args = args
self.log_func = log_func
if not HAVE_SQLITE3:
self.log("could not load sqlite3; searchign wqill be disabled")
return
self.dbs = {}
def log(self, msg):
self.log_func("u2idx", msg)
def fsearch(self, vols, body):
"""search by up2k hashlist"""
if not HAVE_SQLITE3:
return []
fsize = body["size"]
fhash = body["hash"]
wark = up2k_wark_from_hashlist(self.args.salt, fsize, fhash)
return self.run_query(vols, "select * from up where w = ?", [wark])
def search(self, vols, body):
"""search by query params"""
if not HAVE_SQLITE3:
return []
qobj = {}
_conv_sz(qobj, body, "sz_min", "sz >= ?")
_conv_sz(qobj, body, "sz_max", "sz <= ?")
_conv_dt(qobj, body, "dt_min", "mt >= ?")
_conv_dt(qobj, body, "dt_max", "mt <= ?")
for seg, dk in [["path", "rd"], ["name", "fn"]]:
if seg in body:
_conv_txt(qobj, body, seg, dk)
qstr = "select * from up"
qv = []
if qobj:
qk = []
for k, v in sorted(qobj.items()):
qk.append(k.split("\n")[0])
qv.append(v)
qstr = " and ".join(qk)
qstr = "select * from up where " + qstr
return self.run_query(vols, qstr, qv)
def run_query(self, vols, qstr, qv):
qv = tuple(qv)
self.log("qs: {} {}".format(qstr, repr(qv)))
ret = []
lim = 100
for (vtop, ptop, flags) in vols:
db = self.dbs.get(ptop)
if not db:
db = _open(ptop)
if not db:
continue
self.dbs[ptop] = db
# self.log("idx /{} @ {} {}".format(vtop, ptop, flags))
c = db.execute(qstr, qv)
for _, ts, sz, rd, fn in c:
lim -= 1
if lim <= 0:
break
rp = os.path.join(vtop, rd, fn).replace("\\", "/")
ret.append({"ts": int(ts), "sz": sz, "rp": rp})
return ret
def _open(ptop):
db_path = os.path.join(ptop, ".hist", "up2k.db")
if os.path.exists(db_path):
return sqlite3.connect(db_path)
def _conv_sz(q, body, k, sql):
if k in body:
q[sql] = int(float(body[k]) * 1024 * 1024)
def _conv_dt(q, body, k, sql):
if k not in body:
return
v = body[k].upper().rstrip("Z").replace(",", " ").replace("T", " ")
while " " in v:
v = v.replace(" ", " ")
for fmt in ["%Y-%m-%d %H:%M:%S", "%Y-%m-%d %H:%M", "%Y-%m-%d %H", "%Y-%m-%d"]:
try:
ts = datetime.strptime(v, fmt).timestamp()
break
except:
ts = None
if ts:
q[sql] = ts
def _conv_txt(q, body, k, sql):
for v in body[k].split(" "):
inv = ""
if v.startswith("-"):
inv = "not"
v = v[1:]
if not v:
continue
head = "'%'||"
if v.startswith("^"):
head = ""
v = v[1:]
tail = "||'%'"
if v.endswith("$"):
tail = ""
v = v[:-1]
qk = "{} {} like {}?{}".format(sql, inv, head, tail)
q[qk + "\n" + v] = u8safe(v)