45 lines
1.9 KiB
Plaintext
45 lines
1.9 KiB
Plaintext
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#!/usr/bin/env python3.6
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#
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# Copyright (C) 2018 The University of Sheffield, UK
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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import sqlite3
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import sys
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db_path = sys.argv[1]
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with sqlite3.connect(db_path) as db:
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hit = 0
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miss = 0
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s = {}
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for (md5, library, path, typ) in db.execute("select md5, library, path, typ from cdnjs"):
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s[md5] = (library, path, typ)
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for (extid, date) in db.execute("select extid, max(date) as date from extension group by extid order by extid"):
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for (crx_etag,) in db.execute("select crx_etag from extension where extid=? and date=? order by crx_etag", (extid, date)):
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for (path, md5, typ, simhash) in db.execute("select path, md5, typ, simhash from crxfile where crx_etag=? and simhash is not null and path like '%.js' order by path, md5, typ", (crx_etag,)):
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for (size,) in db.execute("select size from libdet where md5=? and typ=? and size >= 1024 order by size", (md5, typ)):
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if md5 in s:
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hit += 1
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# library, path, typ = s[md5]
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# print("|".join((library, path, typ, extid, date, path, typ)))
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else:
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miss += 1
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print("|".join((extid, date, path, typ)))
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print(f"Hit: {hit}")
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print(f"Miss: {miss}")
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