pdf unlock

pdf_unlock/install.reg

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+Windows Registry Editor Version 5.00
+
+[HKEY_CLASSES_ROOT\SystemFileAssociations\.pdf\shell\RemovePermissions]
+@="<22>Ƴ<EFBFBD>Ȩ<EFBFBD><C8A8>"
+"MultiSelectModel"="Player"
+
+[HKEY_CLASSES_ROOT\SystemFileAssociations\.pdf\shell\RemovePermissions\command]
+@="\"C:\\Program Files\\pdfUnlock\\main.exe\" \"%1\""
+
+REM <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҽ<EFBFBD><EFBFBD>˵<EFBFBD>
+[HKEY_CLASSES_ROOT\Directory\shell\RemovePermissions]
+@="<22>Ƴ<EFBFBD>PDFȨ<46><C8A8>"
+
+[HKEY_CLASSES_ROOT\Directory\shell\RemovePermissions\command]
+@="\"C:\\Program Files\\pdfUnlock\\main.exe\" \"%1\""
+
+REM <EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD>б<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҽ<EFBFBD><EFBFBD>˵<EFBFBD>
+[HKEY_CLASSES_ROOT\Directory\Background\shell\RemovePermissions]
+@="<22>Ƴ<EFBFBD>PDFȨ<46><C8A8>"
+
+[HKEY_CLASSES_ROOT\Directory\Background\shell\RemovePermissions\command]
+@="\"C:\\Program Files\\pdfUnlock\\main.exe\" \"%V\""

pdf_unlock/main.py

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+import PyPDF2  # PyMuPDF
+import sys
+from pathlib import Path
+
+def copy_pdf_pages(input_path: str, output_path: str) -> bool:
+    """
+    移除PDF文件的所有限制
+    
+    Args:
+        input_path: 输入PDF文件路径
+        output_path: 输出PDF文件路径
+        password: PDF密码（如果有）
+        
+    Returns:
+        是否成功移除限制
+    """
+    try:
+        with open(input_path, 'rb') as input_file:
+            reader = PyPDF2.PdfReader(input_file)
+            
+            writer = PyPDF2.PdfWriter()
+            
+            # 复制所有页面
+            for page in reader.pages:
+                writer.add_page(page)
+            
+            # 写入新文件（不设置任何加密或限制）
+            with open(output_path, 'wb') as output_file:
+                writer.write(output_file)
+            
+            return True
+            
+    except Exception as e:
+        print(f"移除PDF限制时发生错误: {e}")
+        return False
+
+# def copy_pdf_pages(input_file, output_file):
+#     """
+#     读取PDF文件并逐页复制到新的PDF文件
+    
+#     Args:
+#         input_file (str): 输入PDF文件路径
+#         output_file (str): 输出PDF文件路径
+#     """
+#     try:
+#         # 检查输入文件是否存在
+#         if not os.path.exists(input_file):
+#             print(f"错误：输入文件 '{input_file}' 不存在")
+#             return False
+        
+#         # 打开输入PDF文件
+#         pdf_document = fitz.open(input_file)
+        
+#         # 创建新的PDF文档
+#         new_pdf = fitz.open()
+#         new_pdf.insert_pdf(pdf_document)
+        
+#         # 保存输出文件
+#         new_pdf.save(output_file)
+        
+#         # 关闭文档
+#         pdf_document.close()
+#         new_pdf.close()
+        
+#         return True
+            
+#     except FileNotFoundError:
+#         print(f"错误：找不到文件 '{input_file}'")
+#         return False
+#     except PermissionError:
+#         print(f"错误：权限不足，无法访问文件")
+#         return False
+#     except Exception as pdf_error:
+#         error_msg = str(pdf_error).lower()
+#         if "damaged" in error_msg or "corrupt" in error_msg:
+#             print(f"错误：PDF文件 '{input_file}' 已损坏")
+#         else:
+#             print(f"发生错误：{str(pdf_error)}")
+#         return False
+
+def main():
+    """主函数"""
+    if len(sys.argv) < 2:
+        print("用法：python main.py <输入PDF文件或目录>")
+        sys.exit(1)
+    
+    if len(sys.argv) > 2:
+        files = list(map(Path, sys.argv[1:]))
+    else:
+        input_path = Path(sys.argv[1])
+        if input_path.is_dir():
+            files = list(input_path.glob("**/*.pdf"))
+        else:
+            print("正在处理",input_path.name)
+            output_file = input_path.with_name(f"{input_path.stem}_decrypt.pdf")
+            success = copy_pdf_pages(input_path, output_file)
+            print("处理完成" if success else "处理失败")
+            return
+    
+    total = len(files)
+    # 执行复制操作
+    for i, pdf_file in enumerate(files, start=1):
+        rate= round(i/total *100)
+        print(f"进度: ", "-"* (rate//5)," "*(20-rate//5), f"   {rate}%",sep="",end="\r")
+        import time
+        # time.sleep(1)  # 模拟处理时间
+        if not pdf_file.is_file():
+            print(f"跳过非PDF文件：{pdf_file}")
+            continue
+        output_file = pdf_file.with_name(f"{pdf_file.stem}_decrypt.pdf")
+        success = copy_pdf_pages(pdf_file, output_file)
+
+        if not success:
+            print(f"{pdf_file.name} 处理失败")
+
+if __name__ == "__main__":
+    main()

pdf_unlock/requirements.txt

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+PyMuPDF==1.23.26