2023-11-20 22:30:31 +08:00
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import binascii
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import os.path
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import sqlite3
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import threading
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import xml.etree.ElementTree as ET
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lock = threading.Lock()
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DB = None
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cursor = None
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db_path = "./app/Database/Msg/HardLinkImage.db"
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2023-11-20 23:08:10 +08:00
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root_path = 'FileStorage/MsgAttach/'
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2023-11-20 22:30:31 +08:00
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if os.path.exists(db_path):
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DB = sqlite3.connect(db_path, check_same_thread=False)
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# '''创建游标'''
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cursor = DB.cursor()
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def init_database():
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global DB
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global cursor
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if not DB:
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if os.path.exists(db_path):
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DB = sqlite3.connect(db_path, check_same_thread=False)
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# '''创建游标'''
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cursor = DB.cursor()
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def get_image_by_md5(md5: bytes):
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sql = '''
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select Md5Hash,MD5,FileName,HardLinkImageID.Dir as DirName1,HardLinkImageID2.Dir as DirName2
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from HardLinkImageAttribute
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join HardLinkImageID on HardLinkImageAttribute.DirID1 = HardLinkImageID.DirID
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join HardLinkImageID as HardLinkImageID2 on HardLinkImageAttribute.DirID2 = HardLinkImageID2.DirID
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where MD5 = ?;
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'''
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try:
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lock.acquire(True)
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cursor.execute(sql, [md5, ])
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result = cursor.fetchone()
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return result
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finally:
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lock.release()
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def get_md5_from_xml(content):
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# 解析XML
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root = ET.fromstring(content)
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# 提取md5的值
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md5_value = root.find(".//img").get("md5")
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2023-11-20 23:08:10 +08:00
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# print(md5_value)
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2023-11-20 22:30:31 +08:00
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return md5_value
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2023-11-20 23:08:10 +08:00
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def get_image(content, thumb=False):
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2023-11-20 22:30:31 +08:00
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md5 = get_md5_from_xml(content)
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# md5 = 'bc37a58c32cb203ee9ac587b068e5853'
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result = get_image_by_md5(binascii.unhexlify(md5))
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if result:
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2023-11-20 23:08:10 +08:00
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# print(result)
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2023-11-20 22:30:31 +08:00
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dir1 = result[3]
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dir2 = result[4]
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data_image = result[2]
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dir0 = 'Thumb' if thumb else 'Image'
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dat_image = os.path.join(root_path, dir1, dir0, dir2, data_image)
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return dat_image
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# 6b02292eecea118f06be3a5b20075afc_t
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if __name__ == '__main__':
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msg_root_path = './Msg/'
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db_path = "./Msg/HardLinkImage.db"
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init_database()
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content = '''<?xml version="1.0"?><msg>\n\t<img aeskey="bc37a58c32cb203ee9ac587b068e5853" encryver="1" cdnthumbaeskey="bc37a58c32cb203ee9ac587b068e5853" cdnthumburl="3057020100044b30490201000204d181705002032f5405020428a7b4de02046537869d042462313532363539632d663930622d343463302d616636662d333837646434633061626534020401150a020201000405004c4c6d00" cdnthumblength="3097" cdnthumbheight="120" cdnthumbwidth="68" cdnmidheight="0" cdnmidwidth="0" cdnhdheight="0" cdnhdwidth="0" cdnmidimgurl="3057020100044b30490201000204d181705002032f5405020428a7b4de02046537869d042462313532363539632d663930622d343463302d616636662d333837646434633061626534020401150a020201000405004c4c6d00" length="57667" md5="6844b812d5d514eb6878657e0bf4cdbb" originsourcemd5="1dfdfa24922270ea1cb5daba103f45ca" />\n\t<platform_signature></platform_signature>\n\t<imgdatahash></imgdatahash>\n</msg>\n'''
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print(get_image(content))
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print(get_image(content, thumb=False))
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result = get_md5_from_xml(content)
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print(result)
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