357 lines
12 KiB
Python
357 lines
12 KiB
Python
# -*- coding: utf-8 -*-#
|
||
# -------------------------------------------------------------------------------
|
||
# Name: utils.py
|
||
# Description:
|
||
# Author: xaoyaoo
|
||
# Date: 2024/04/15
|
||
# -------------------------------------------------------------------------------
|
||
import hashlib
|
||
import os
|
||
import re
|
||
import time
|
||
import wave
|
||
|
||
import requests
|
||
from io import BytesIO
|
||
import pysilk
|
||
import lxml.etree as ET # 这个模块更健壮些，微信XML格式有时有非标格式，会导致xml.etree.ElementTree处理失败
|
||
|
||
|
||
def typeid2name(type_id: tuple):
|
||
"""
|
||
获取消息类型名称
|
||
:param type_id: 消息类型ID 元组 eg: (1, 0)
|
||
:return:
|
||
"""
|
||
type_name_dict = {
|
||
(1, 0): "文本",
|
||
(3, 0): "图片",
|
||
(34, 0): "语音",
|
||
(43, 0): "视频",
|
||
(47, 0): "动画表情",
|
||
|
||
(37, 0): "添加好友", # 感谢 https://github.com/zhyc9de
|
||
(42, 0): "推荐公众号", # 感谢 https://github.com/zhyc9de
|
||
(48, 0): "地图信息", # 感谢 https://github.com/zhyc9de
|
||
(49, 40): "分享收藏夹", # 感谢 https://github.com/zhyc9de
|
||
(49, 53): "接龙", # 感谢 https://github.com/zhyc9de
|
||
|
||
(49, 0): "文件",
|
||
(49, 1): "类似文字消息而不一样的消息",
|
||
(49, 5): "卡片式链接",
|
||
(49, 6): "文件",
|
||
(49, 8): "用户上传的GIF表情",
|
||
(49, 19): "合并转发的聊天记录",
|
||
(49, 33): "分享的小程序",
|
||
(49, 36): "分享的小程序",
|
||
(49, 57): "带有引用的文本消息",
|
||
(49, 63): "视频号直播或直播回放等",
|
||
(49, 87): "群公告",
|
||
(49, 88): "视频号直播或直播回放等",
|
||
(49, 2000): "转账消息",
|
||
(49, 2003): "赠送红包封面",
|
||
|
||
(50, 0): "语音通话",
|
||
(10000, 0): "系统通知",
|
||
(10000, 4): "拍一拍",
|
||
(10000, 8000): "系统通知"
|
||
}
|
||
|
||
if type_id in type_name_dict:
|
||
return type_name_dict[type_id]
|
||
else:
|
||
return "未知"
|
||
|
||
|
||
def name2typeid(type_name: str):
|
||
"""
|
||
获取消息类型名称
|
||
:param type_id: 消息类型ID 元组 eg: (1, 0)
|
||
:return:
|
||
"""
|
||
type_name_dict = {
|
||
(1, 0): "文本",
|
||
(3, 0): "图片",
|
||
(34, 0): "语音",
|
||
(43, 0): "视频",
|
||
(47, 0): "动画表情",
|
||
|
||
(37, 0): "添加好友", # 感谢 https://github.com/zhyc9de
|
||
(42, 0): "推荐公众号", # 感谢 https://github.com/zhyc9de
|
||
(48, 0): "地图信息", # 感谢 https://github.com/zhyc9de
|
||
(49, 40): "分享收藏夹", # 感谢 https://github.com/zhyc9de
|
||
(49, 53): "接龙", # 感谢 https://github.com/zhyc9de
|
||
|
||
(49, 0): "文件",
|
||
(49, 1): "类似文字消息而不一样的消息",
|
||
(49, 5): "卡片式链接",
|
||
(49, 6): "文件",
|
||
(49, 8): "用户上传的GIF表情",
|
||
(49, 19): "合并转发的聊天记录",
|
||
(49, 33): "分享的小程序",
|
||
(49, 36): "分享的小程序",
|
||
(49, 57): "带有引用的文本消息",
|
||
(49, 63): "视频号直播或直播回放等",
|
||
(49, 87): "群公告",
|
||
(49, 88): "视频号直播或直播回放等",
|
||
(49, 2000): "转账消息",
|
||
(49, 2003): "赠送红包封面",
|
||
|
||
(50, 0): "语音通话",
|
||
(10000, 0): "系统通知",
|
||
(10000, 4): "拍一拍",
|
||
(10000, 8000): "系统通知"
|
||
}
|
||
type_tup = []
|
||
for k, v in type_name_dict.items():
|
||
if v == type_name:
|
||
type_tup.append(k)
|
||
return type_tup
|
||
|
||
|
||
def get_md5(data):
|
||
md5 = hashlib.md5()
|
||
md5.update(data)
|
||
return md5.hexdigest()
|
||
|
||
|
||
def timestamp2str(timestamp):
|
||
"""
|
||
时间戳转换为时间字符串
|
||
:param timestamp: 时间戳
|
||
:return: 时间字符串
|
||
"""
|
||
return time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(timestamp))
|
||
|
||
|
||
def dat2img(input_data):
|
||
"""
|
||
读取图片文件dat格式
|
||
:param input_data: 图片文件路径或者图片文件数据
|
||
:return: 图片格式，图片md5，图片数据
|
||
"""
|
||
# 常见图片格式的文件头
|
||
img_head = {
|
||
b"\xFF\xD8\xFF": ".jpg",
|
||
b"\x89\x50\x4E\x47": ".png",
|
||
b"\x47\x49\x46\x38": ".gif",
|
||
b"\x42\x4D": ".BMP",
|
||
b"\x49\x49": ".TIFF",
|
||
b"\x4D\x4D": ".TIFF",
|
||
b"\x00\x00\x01\x00": ".ICO",
|
||
b"\x52\x49\x46\x46": ".WebP",
|
||
b"\x00\x00\x00\x18\x66\x74\x79\x70\x68\x65\x69\x63": ".HEIC",
|
||
}
|
||
|
||
if isinstance(input_data, str):
|
||
with open(input_data, "rb") as f:
|
||
input_bytes = f.read()
|
||
else:
|
||
input_bytes = input_data
|
||
|
||
try:
|
||
import numpy as np
|
||
input_bytes = np.frombuffer(input_bytes, dtype=np.uint8)
|
||
for hcode in img_head: # 遍历文件头
|
||
t = input_bytes[0] ^ hcode[0] # 异或解密
|
||
if np.all(t == np.bitwise_xor(np.frombuffer(input_bytes[:len(hcode)], dtype=np.uint8),
|
||
np.frombuffer(hcode, dtype=np.uint8))): # 使用NumPy进行向量化的异或解密操作，并进行类型转换
|
||
fomt = img_head[hcode] # 获取文件格式
|
||
|
||
out_bytes = np.bitwise_xor(input_bytes, t) # 使用NumPy进行向量化的异或解密操作
|
||
md5 = get_md5(out_bytes)
|
||
return fomt, md5, out_bytes
|
||
return False
|
||
except ImportError:
|
||
pass
|
||
|
||
for hcode in img_head:
|
||
t = input_bytes[0] ^ hcode[0]
|
||
for i in range(1, len(hcode)):
|
||
if t == input_bytes[i] ^ hcode[i]:
|
||
fomt = img_head[hcode]
|
||
out_bytes = bytearray()
|
||
for nowByte in input_bytes: # 读取文件
|
||
newByte = nowByte ^ t # 异或解密
|
||
out_bytes.append(newByte)
|
||
md5 = get_md5(out_bytes)
|
||
return fomt, md5, out_bytes
|
||
return False
|
||
|
||
|
||
def xml2dict(xml_string):
|
||
"""
|
||
解析 XML 字符串
|
||
:param xml_string: 要解析的 XML 字符串
|
||
:return: 解析结果，以字典形式返回
|
||
"""
|
||
|
||
def parse_xml(element):
|
||
"""
|
||
递归解析 XML 元素
|
||
:param element: 要解析的 XML 元素
|
||
:return: 解析结果，以字典形式返回
|
||
"""
|
||
result = {}
|
||
# 解析当前元素的属性
|
||
if element is None or element.attrib is None: # 有时可能会遇到没有属性，要处理下
|
||
return result
|
||
for key, value in element.attrib.items():
|
||
result[key] = value
|
||
# 解析当前元素的子元素
|
||
for child in element:
|
||
child_result = parse_xml(child)
|
||
# 如果子元素的标签已经在结果中存在，则将其转换为列表
|
||
if child.tag in result:
|
||
if not isinstance(result[child.tag], list):
|
||
result[child.tag] = [result[child.tag]]
|
||
result[child.tag].append(child_result)
|
||
else:
|
||
result[child.tag] = child_result
|
||
# 如果当前元素没有子元素，则将其文本内容作为值保存
|
||
if not result and element.text:
|
||
result = element.text
|
||
return result
|
||
|
||
if xml_string is None or not isinstance(xml_string, str):
|
||
return None
|
||
try:
|
||
parser = ET.XMLParser(recover=True) # 有时微信的聊天记录里面，会冒出来xml格式不对的情况，这里把parser设置成忽略错误
|
||
root = ET.fromstring(xml_string, parser)
|
||
except Exception as e:
|
||
return xml_string
|
||
return parse_xml(root)
|
||
|
||
|
||
def download_file(url, save_path=None):
|
||
"""
|
||
下载文件
|
||
:param url: 文件下载地址
|
||
:param save_path: 保存路径
|
||
:return: 保存路径
|
||
"""
|
||
headers = {
|
||
"User-Agent": "Mozilla/5.0 (Linux; Android 10; Redmi K40 Pro) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Mobile Safari/537.36"
|
||
|
||
}
|
||
r = requests.get(url, headers=headers)
|
||
if r.status_code != 200:
|
||
return None
|
||
data = r.content
|
||
if save_path and isinstance(save_path, str):
|
||
# 创建文件夹
|
||
if not os.path.exists(os.path.dirname(save_path)):
|
||
os.makedirs(os.path.dirname(save_path))
|
||
with open(save_path, "wb") as f:
|
||
f.write(data)
|
||
return data
|
||
|
||
|
||
def bytes2str(d):
|
||
"""
|
||
遍历字典并将bytes转换为字符串
|
||
:param d:
|
||
:return:
|
||
"""
|
||
for k, v in d.items():
|
||
if isinstance(v, dict):
|
||
bytes2str(v)
|
||
elif isinstance(v, list):
|
||
for item in v:
|
||
if isinstance(item, dict):
|
||
bytes2str(item)
|
||
elif isinstance(item, bytes):
|
||
item = item.decode('utf-8') # 将bytes转换为字符串
|
||
elif isinstance(v, bytes):
|
||
d[k] = v.decode('utf-8')
|
||
|
||
|
||
def read_dict_all_values(data):
|
||
"""
|
||
读取字典中所有的值（单层）
|
||
:param dict_data: 字典
|
||
:return: 所有值的list
|
||
"""
|
||
result = []
|
||
if isinstance(data, list):
|
||
for item in data:
|
||
result.extend(read_dict_all_values(item))
|
||
elif isinstance(data, dict):
|
||
for key, value in data.items():
|
||
result.extend(read_dict_all_values(value))
|
||
else:
|
||
if isinstance(data, bytes):
|
||
tmp = data.decode("utf-8")
|
||
else:
|
||
tmp = str(data) if isinstance(data, int) else data
|
||
result.append(tmp)
|
||
|
||
for i in range(len(result)):
|
||
if isinstance(result[i], bytes):
|
||
result[i] = result[i].decode("utf-8")
|
||
return result
|
||
|
||
|
||
def match_BytesExtra(BytesExtra, pattern=r"FileStorage(.*?)'"):
|
||
"""
|
||
匹配 BytesExtra
|
||
:param BytesExtra: BytesExtra
|
||
:param pattern: 匹配模式
|
||
:return:
|
||
"""
|
||
if not BytesExtra:
|
||
return False
|
||
BytesExtra = read_dict_all_values(BytesExtra)
|
||
BytesExtra = "'" + "'".join(BytesExtra) + "'"
|
||
# print(BytesExtra)
|
||
|
||
match = re.search(pattern, BytesExtra)
|
||
if match:
|
||
video_path = match.group(0).replace("'", "")
|
||
return video_path
|
||
else:
|
||
return ""
|
||
|
||
|
||
def silk2audio(buf_data, is_play=False, is_wave=False, save_path=None, rate=24000):
|
||
silk_file = BytesIO(buf_data) # 读取silk文件
|
||
pcm_file = BytesIO() # 创建pcm文件
|
||
|
||
pysilk.decode(silk_file, pcm_file, rate) # 解码silk文件->pcm文件
|
||
pcm_data = pcm_file.getvalue() # 获取pcm文件数据
|
||
|
||
silk_file.close() # 关闭silk文件
|
||
pcm_file.close() # 关闭pcm文件
|
||
if is_play: # 播放音频
|
||
def play_audio(pcm_data, rate):
|
||
try:
|
||
import pyaudio
|
||
except ImportError:
|
||
raise ImportError("请先安装pyaudio库[ pip install pyaudio ]")
|
||
|
||
p = pyaudio.PyAudio() # 实例化pyaudio
|
||
stream = p.open(format=pyaudio.paInt16, channels=1, rate=rate, output=True) # 创建音频流对象
|
||
stream.write(pcm_data) # 写入音频流
|
||
stream.stop_stream() # 停止音频流
|
||
stream.close() # 关闭音频流
|
||
p.terminate() # 关闭pyaudio
|
||
|
||
play_audio(pcm_data, rate)
|
||
|
||
print(is_play, is_wave, save_path)
|
||
|
||
if is_wave: # 转换为wav文件
|
||
wave_file = BytesIO() # 创建wav文件
|
||
with wave.open(wave_file, 'wb') as wf:
|
||
wf.setparams((1, 2, rate, 0, 'NONE', 'NONE')) # 设置wav文件参数
|
||
wf.writeframes(pcm_data) # 写入wav文件
|
||
rdata = wave_file.getvalue() # 获取wav文件数据
|
||
wave_file.close() # 关闭wav文件
|
||
if save_path and isinstance(save_path, str):
|
||
with open(save_path, "wb") as f:
|
||
f.write(rdata)
|
||
print('saved wav file')
|
||
return rdata
|
||
|
||
return pcm_data
|