WeChatMsg/app/util/emoji.py
2023-12-18 19:49:30 +08:00

209 lines
8.6 KiB
Python

# -*- coding: utf-8 -*-
"""
emoji.py
!!!声明:
由于表情包并不属于个人,并且其可能具有版权风险,你只有浏览权没有拥有权
另外访问腾讯API可能会给腾讯服务器造成压力
所以禁止任何人以任何方式修改或间接修改该文件,违者后果自负
"""
import os
import traceback
import xml.etree.ElementTree as ET
import sqlite3
import threading
import requests
from app.log import log, logger
root_path = './data/emoji/'
if not os.path.exists('./data'):
os.mkdir('./data')
if not os.path.exists(root_path):
os.mkdir(root_path)
@log
def get_image_format(header):
# 定义图片格式的 magic numbers
image_formats = {
b'\xFF\xD8\xFF': 'jpeg',
b'\x89\x50\x4E\x47\x0D\x0A\x1A\x0A': 'png',
b'\x47\x49\x46': 'gif',
b'\x42\x4D': 'bmp',
# 添加其他图片格式的 magic numbers
}
# 判断文件的图片格式
for magic_number, image_format in image_formats.items():
if header.startswith(magic_number):
return image_format
# 如果无法识别格式,返回 None
return None
@log
def parser_xml(xml_string):
assert type(xml_string) == str
# Parse the XML string
try:
root = ET.fromstring(xml_string)
except:
root = ET.fromstring(xml_string.replace("&", "&"))
emoji = root.find('./emoji')
# Accessing attributes of the 'emoji' element
fromusername = emoji.get('fromusername')
tousername = emoji.get('tousername')
md5 = emoji.get('md5')
cdnurl = emoji.get('cdnurl')
encrypturl = emoji.get('encrypturl')
thumburl = emoji.get('thumburl')
externurl = emoji.get('externurl')
androidmd5 = emoji.get('androidmd5')
width = emoji.get('width')
height = emoji.get('height')
return {
'width': width,
'height': height,
'cdnurl': cdnurl,
'thumburl': thumburl if thumburl else cdnurl,
'md5': (md5 if md5 else androidmd5).lower(),
}
lock = threading.Lock()
db_path = "./app/Database/Msg/Emotion.db"
class Emotion:
def __init__(self):
self.DB = None
self.cursor: sqlite3.Cursor = None
self.open_flag = False
self.init_database()
def init_database(self):
if not self.open_flag:
if os.path.exists(db_path):
self.DB = sqlite3.connect(db_path, check_same_thread=False)
# '''创建游标'''
self.cursor = self.DB.cursor()
self.open_flag = True
if lock.locked():
lock.release()
def get_emoji_url(self, md5: str, thumb: bool):
if thumb:
sql = '''
select
case
when thumburl is NULL or thumburl = '' then cdnurl
else thumburl
end as selected_url
from CustomEmotion
where md5 = ?
'''
else:
sql = '''
select CDNUrl
from CustomEmotion
where md5 = ?
'''
try:
lock.acquire(True)
self.cursor.execute(sql, [md5])
return self.cursor.fetchone()[0]
except:
md5 = md5.upper()
sql = f"""
select {"Thumb" if thumb else "Data"}
from EmotionItem
where md5 = ?
"""
self.cursor.execute(sql, [md5])
try:
return self.cursor.fetchone()[0]
except:
return ""
finally:
lock.release()
def close(self):
if self.open_flag:
try:
lock.acquire(True)
self.open_flag = False
self.DB.close()
finally:
lock.release()
def __del__(self):
self.close()
@log
def download(url, output_dir, name, thumb=False):
if not url:
return ':/icons/icons/404.png'
resp = requests.get(url)
byte = resp.content
image_format = get_image_format(byte[:8])
if image_format:
if thumb:
output_path = os.path.join(output_dir, 'th_' + name + '.' + image_format)
else:
output_path = os.path.join(output_dir, name + '.' + image_format)
else:
output_path = os.path.join(output_dir, name)
with open(output_path, 'wb') as f:
f.write(resp.content)
return output_path
def get_emoji(xml_string, thumb=True, output_path=root_path) -> str:
try:
emoji_info = parser_xml(xml_string)
md5 = emoji_info['md5']
image_format = ['.png', '.gif', '.jpeg']
for f in image_format:
prefix = 'th_' if thumb else ''
file_path = os.path.join(output_path, prefix + md5 + f)
if os.path.exists(file_path):
print('表情包已存在')
return file_path
url = emoji_info['thumburl'] if thumb else emoji_info['cdnurl']
if not url or url == "":
url = Emotion().get_emoji_url(md5, thumb)
if type(url) == str and url != "":
print("下载表情包ing:", url)
emoji_path = download(url, output_path, md5, thumb)
return emoji_path
elif type(url) == bytes:
image_format = get_image_format(url[:8])
if image_format:
if thumb:
output_path = os.path.join(output_path, 'th_' + md5 + '.' + image_format)
else:
output_path = os.path.join(output_path, md5 + '.' + image_format)
else:
output_path = os.path.join(output_path, md5)
with open(output_path, 'wb') as f:
f.write(url)
print("表情包数据库加载", output_path)
return output_path
else:
print("!!!未知表情包数据,信息:", xml_string, emoji_info, url)
return ""
except:
logger.error(traceback.format_exc())
return ""
if __name__ == '__main__':
# xml_string = '<msg><emoji fromusername = "wxid_0o18ef858vnu22" tousername = "wxid_27hqbq7vx5hf22" type="2" idbuffer="media:0_0" md5="71ce49ed3ce9e57e43e07f802983bf45" len = "352588" productid="com.tencent.xin.emoticon.person.stiker_1678703862259eb01f2ef4a313" androidmd5="71ce49ed3ce9e57e43e07f802983bf45" androidlen="352588" s60v3md5 = "71ce49ed3ce9e57e43e07f802983bf45" s60v3len="352588" s60v5md5 = "71ce49ed3ce9e57e43e07f802983bf45" s60v5len="352588" cdnurl = "http://wxapp.tc.qq.com/262/20304/stodownload?m=71ce49ed3ce9e57e43e07f802983bf45&amp;filekey=30350201010421301f020201060402535a041071ce49ed3ce9e57e43e07f802983bf45020305614c040d00000004627466730000000132&amp;hy=SZ&amp;storeid=263ffa00b000720d03274c5820000010600004f50535a1ca0c950b64287022&amp;bizid=1023" designerid = "" thumburl = "http://mmbiz.qpic.cn/mmemoticon/ajNVdqHZLLDSKTMRgM8agiadpFhKz9IJ3cD5Ra2sTROibOaShdt3D4z6PfE92WkjQY/0" encrypturl = "http://wxapp.tc.qq.com/262/20304/stodownload?m=cbaae1d847aac6389652b65562bacaa2&amp;filekey=30350201010421301f020201060402535a0410cbaae1d847aac6389652b65562bacaa20203056150040d00000004627466730000000132&amp;hy=SZ&amp;storeid=263ffa00b0008d8223274c5820000010600004f50535a17b82910b64764739&amp;bizid=1023" aeskey= "7051ab2a34442dec63434832463f45ce" externurl = "http://wxapp.tc.qq.com/262/20304/stodownload?m=960f68693454dfa64b9966ca5d70dbd3&amp;filekey=30340201010420301e020201060402535a0410960f68693454dfa64b9966ca5d70dbd3020221a0040d00000004627466730000000132&amp;hy=SZ&amp;storeid=26423dbe3000793a8720e40de0000010600004f50535a1d40c950b71be0a50&amp;bizid=1023" externmd5 = "41895664fc5a77878e2155fc96209a19" width= "240" height= "240" tpurl= "" tpauthkey= "" attachedtext= "" attachedtextcolor= "" lensid= "" emojiattr= "" linkid= "" desc= "ChEKB2RlZmF1bHQSBuWNlee6rw==" ></emoji> </msg>'
# res1 = parser_xml(xml_string)
# print(res1, res1['md5'])
# download(res1['cdnurl'], "./data/emoji/", res1['md5'])
# download(res1['thumburl'], "./data/emoji/", res1['md5'], True)
print(Emotion().get_emoji_url("144714f65c98844128ac3a1042445d9a", True))
print(Emotion().get_emoji_url("144714f65c98844128ac3a1042445d9a", False))
# print(get_emoji(xml_string, True))
# print(get_emoji(xml_string, False))
# http://vweixinf.tc.qq.com/110/20403/stodownload?m=3a4d439aba02dce4834b2c54e9f15597&filekey=3043020101042f302d02016e0402534804203361346434333961626130326463653438333462326335346539663135353937020213f0040d00000004627466730000000131&hy=SH&storeid=323032313037323030373236313130303039653236646365316535316534383236386234306230303030303036653033303034666233&ef=3&bizid=1022