181 lines
7.7 KiB
Python
181 lines
7.7 KiB
Python
import binascii
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def text_to_ucs2(text):
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"""Convert text to UCS2 (UTF-16BE) hex string for SMS sending"""
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try:
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# Encode text to UTF-16BE bytes
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utf16be_bytes = text.encode('utf-16be')
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# Convert bytes to hex string
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hex_str = binascii.hexlify(utf16be_bytes).decode('ascii').upper()
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return hex_str
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except Exception as e:
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print(f"UCS2 encoding error: {str(e)}")
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return None
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def ucs2_to_text(hex_str):
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"""Convert UCS2 (UTF-16BE) hex string to text for SMS display"""
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try:
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# Remove spaces if any
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hex_str = hex_str.replace(" ", "")
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# Make sure we have a valid hex string
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if not all(c in "0123456789ABCDEFabcdef" for c in hex_str):
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return hex_str # Not a hex string, return as is
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# Make sure the length is even (each character is 2 bytes in UCS2)
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if len(hex_str) % 2 != 0:
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hex_str = hex_str + "0" # Pad with zero if needed
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# 针对特定格式长短信的处理（以62117ED94F6053D14E86957F6587672C开头）
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if hex_str.startswith("62117ED94F6053D14E86957F6587672C"):
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# 这是一种特定格式的长短信，尝试提取关键信息
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# 通常格式是：固定标记 + "003A"(冒号) + URL内容
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parts = hex_str.split("003A", 1)
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if len(parts) > 1 and parts[1]:
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try:
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# 提取并解码URL部分
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url_hex = "003A" + parts[1] # 加回冒号
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url_bytes = binascii.unhexlify(url_hex)
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url_text = url_bytes.decode('utf-16be', errors='replace')
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return url_text
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except Exception as url_error:
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print(f"URL extraction error: {str(url_error)}")
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# 如果提取失败，尝试完整解码
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# For phone numbers in UCS2 format (e.g., 002B00380036...)
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if hex_str.startswith("002B") or all(c in "0123456789ABCDEF" for c in hex_str):
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# Check if it's likely a phone number (starts with +)
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if hex_str.startswith("002B"): # "+" in UCS2
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try:
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# Convert hex string to bytes
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utf16be_bytes = binascii.unhexlify(hex_str)
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# Decode bytes to text
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text = utf16be_bytes.decode('utf-16be')
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return text
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except:
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# If it fails, try to extract the phone number directly
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phone = ""
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i = 0
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while i < len(hex_str):
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if i + 4 <= len(hex_str):
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chunk = hex_str[i:i+4]
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if chunk == "002B": # "+"
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phone += "+"
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elif chunk.startswith("00") and chunk[2:4].isdigit():
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phone += chunk[2:4]
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i += 4
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else:
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break
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if phone:
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return phone
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# Try multiple decoding approaches
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try:
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# Standard UCS2 decoding
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utf16be_bytes = binascii.unhexlify(hex_str)
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text = utf16be_bytes.decode('utf-16be', errors='replace')
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return text
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except Exception as e1:
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print(f"Primary UCS2 decoding failed: {str(e1)}")
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try:
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# Try with different endianness
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utf16le_bytes = binascii.unhexlify(hex_str)
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text = utf16le_bytes.decode('utf-16le', errors='replace')
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return text
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except Exception as e2:
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print(f"Secondary UCS2 decoding failed: {str(e2)}")
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try:
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# 尝试以每4位（2字节）为单位解析，移除非ASCII字符
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result = ""
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i = 0
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while i < len(hex_str):
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if i + 4 <= len(hex_str):
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chunk = hex_str[i:i+4]
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try:
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# 检查是否可能是ASCII字符（大多数ASCII UCS2编码格式为00xx）
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if chunk.startswith("00") and 32 <= int(chunk[2:4], 16) <= 126:
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char = chr(int(chunk[2:4], 16))
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result += char
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# 对于非ASCII字符，尝试直接解码
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else:
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char_bytes = binascii.unhexlify(chunk)
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char = char_bytes.decode('utf-16be', errors='ignore')
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if char:
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result += char
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except:
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pass
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i += 4
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else:
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break
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# 检测结果中的URL
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url_match = None
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if "http" in result:
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url_match = result[result.find("http"):]
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# 截断到第一个不合法URL字符处
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for i, c in enumerate(url_match):
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if c.isspace() or c in '",\'<>()[]{}':
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url_match = url_match[:i]
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break
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# 如果找到URL，返回它
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if url_match and len(url_match) > 10: # 确保URL足够长
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return url_match
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# 否则返回处理的结果
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if result:
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return result
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except Exception as e3:
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print(f"Chunk-by-chunk decoding failed: {str(e3)}")
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# 如果所有解码方法都失败，最后尝试查找URL模式
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try:
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# 查找HTTP URL的常见模式
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http_pattern = "00680074007400700073003A002F002F" # "https://"
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http_alt = "00680074007400700073003a002f002f" # 小写冒号和斜杠
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if http_pattern in hex_str or http_alt in hex_str:
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start_idx = hex_str.find(http_pattern) if http_pattern in hex_str else hex_str.find(http_alt)
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if start_idx >= 0:
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url_hex = hex_str[start_idx:]
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try:
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url_bytes = binascii.unhexlify(url_hex)
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url_text = url_bytes.decode('utf-16be', errors='replace')
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return url_text
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except:
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pass
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except:
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pass
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# 如果所有方法都失败，返回原始十六进制字符串
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return f"[Hex: {hex_str[:30]}...]"
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except Exception as e:
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print(f"UCS2 decoding error: {str(e)}")
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return f"[Decode error: {hex_str[:30]}...]"
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def is_chinese_text(text):
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"""Check if text contains Chinese characters"""
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for char in text:
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if '\u4e00' <= char <= '\u9fff':
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return True
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return False
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def format_phone_number(number):
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"""Format phone number for SMS sending (add +86 if needed)"""
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# Remove any spaces, dashes, or parentheses
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clean_number = ''.join(c for c in number if c.isdigit() or c == '+')
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# If it's a Chinese number without country code, add +86
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if clean_number.startswith('1') and len(clean_number) == 11:
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return f"+86{clean_number}"
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# If it doesn't have a + prefix, add it
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if not clean_number.startswith('+'):
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return f"+{clean_number}"
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return clean_number |