generated from dellevin/template
61 lines
2.0 KiB
Python
61 lines
2.0 KiB
Python
# -*- coding: utf-8 -*-
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"""
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base64-de-in-code 编解码蓝图
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"""
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import base64
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from flask import Blueprint, render_template, request, jsonify
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bp = Blueprint('base64_codec', __name__, url_prefix='/base64-de-in-code')
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def _fallback_decode(data_bytes):
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"""降级解码：当 encoding_utils 不可用时使用"""
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for enc in ['utf-8', 'gbk', 'gb2312', 'cp936']:
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try:
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return data_bytes.decode(enc)
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except UnicodeDecodeError:
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continue
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return "解码失败，无法识别编码。"
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@bp.route('/')
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def page():
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return render_template('base64.html')
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@bp.route('/decode', methods=['POST'])
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def decode():
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data = request.get_json()
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base64_input = data.get('input_text', '').strip()
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if not base64_input:
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return jsonify({'success': False, 'error': '输入不能为空。'})
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try:
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decoded_bytes = base64.b64decode(base64_input)
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except Exception as e:
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return jsonify({'success': False, 'error': f'Base64 解码失败: {str(e)}'})
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try:
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from utils.encoding_utils import detect_and_decode
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decoded_result = detect_and_decode(decoded_bytes)
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except Exception:
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decoded_result = _fallback_decode(decoded_bytes)
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return jsonify({'success': True, 'result': decoded_result})
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@bp.route('/encode', methods=['POST'])
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def encode():
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data = request.get_json()
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text_to_encode = data.get('text_to_encode', '')
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encoding = data.get('encoding', 'utf-8')
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if text_to_encode is None:
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return jsonify({'success': False, 'error': '输入不能为空。'})
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try:
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encoded_bytes = text_to_encode.encode(encoding)
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except LookupError:
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return jsonify({'success': False, 'error': f'未知的编码格式: {encoding}'})
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except UnicodeEncodeError as e:
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return jsonify({'success': False, 'error': f'编码失败: {str(e)}'})
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encoded_string = base64.b64encode(encoded_bytes).decode('ascii')
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return jsonify({'success': True, 'result': encoded_string})
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