248 lines
7.2 KiB
Python
248 lines
7.2 KiB
Python
import time
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import requests
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import json
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import hashlib
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import logging
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from flask import current_app
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# ==========================================
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# 1. 配置获取 (从 Flask 全局配置读取)
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# ==========================================
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def get_config(key):
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"""
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优先从 Flask 应用上下文获取配置
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"""
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try:
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if current_app:
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return current_app.config.get(key)
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except RuntimeError:
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# 如果在非 Flask 上下文运行（如单独调试），返回 None 或报错
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print("[Warning] Not in Flask context")
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pass
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return None
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# ==========================================
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# 2. 核心签名算法 (Java 兼容版)
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# ==========================================
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def generate_signature_final(params, is_json_body=False):
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"""
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签名公式: secret + appid + timestamp + paramData + secret -> MD5(lower)
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"""
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appid = get_config('IOT_APP_ID')
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secret = get_config('IOT_SECRET')
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# 1. 拷贝参数，避免修改原字典
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params_copy = params.copy()
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# 2. 移除不参与签名的字段 (timestamp, appid, signature)
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# 注意：timestamp 在签名公式中是单独拼接的，不在 paramData 里
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timestamp = str(params_copy.pop('timestamp', int(time.time() * 1000)))
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if 'appid' in params_copy: params_copy.pop('appid')
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if 'signature' in params_copy: params_copy.pop('signature')
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# 3. 生成 paramData
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param_data = ""
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if is_json_body:
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# POST JSON 模式: 无空格 JSON 字符串，按 key 排序
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# separators=(',', ':') 去除默认的空格
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param_data = json.dumps(params_copy, sort_keys=True, separators=(',', ':'), ensure_ascii=False)
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else:
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# GET 键值对模式: key=value 直接拼接 (注意：Java版没有 '&' 符号)
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sorted_keys = sorted([k for k in params_copy.keys() if params_copy[k] is not None])
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kv_list = [f"{k}={params_copy[k]}" for k in sorted_keys]
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param_data = "".join(kv_list)
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# 4. 拼接最终字符串
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sign_str = f"{secret}{appid}{timestamp}{param_data}{secret}"
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# 5. MD5 加密并转小写
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return hashlib.md5(sign_str.encode('utf-8')).hexdigest().lower()
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# ==========================================
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# 3. 业务接口封装
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# ==========================================
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def get_access_token():
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"""
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登录获取 Token
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"""
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base_url = get_config('IOT_BASE_URL')
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login_url = get_config('IOT_URL_LOGIN')
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if not base_url or not login_url:
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print("[IoT API] 配置缺失")
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return None
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url = base_url + login_url
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payload = {
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"username": get_config('IOT_USERNAME'),
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"password": get_config('IOT_PASSWORD')
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}
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try:
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# print(f"DEBUG: 正在登录 IoT 平台...")
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res = requests.post(url, json=payload, timeout=10).json()
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if res.get('code') == 0:
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token = res['data']['accessToken']
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return token
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else:
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print(f"[IoT API] 登录失败: {res.get('msg')}")
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return None
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except Exception as e:
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print(f"[IoT API] 登录异常: {e}")
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return None
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def get_iot_card_page(token, page_no=1, page_size=100):
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"""
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获取单页卡列表
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"""
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base_url = get_config('IOT_BASE_URL')
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page_url = get_config('IOT_URL_PAGE')
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url = base_url + page_url
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timestamp = int(time.time() * 1000)
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params = {
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"appid": get_config('IOT_APP_ID'),
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"pageNo": page_no,
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"pageSize": page_size,
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"timestamp": timestamp
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}
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# 计算签名
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sign = generate_signature_final(params, is_json_body=False)
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params['signature'] = sign
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headers = {'Authorization': f'Bearer {token}'}
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try:
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resp = requests.get(url, params=params, headers=headers, timeout=15)
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return resp.json()
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except Exception as e:
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print(f"[IoT API] 获取列表页失败 (Page {page_no}): {e}")
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return None
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def get_iot_card_details_batch(token, iccids):
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"""
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批量获取卡详情
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"""
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if not iccids: return None
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base_url = get_config('IOT_BASE_URL')
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detail_url = get_config('IOT_URL_DETAIL')
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url = base_url + detail_url
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timestamp = int(time.time() * 1000)
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payload = {
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"iccids": iccids,
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"timestamp": timestamp
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}
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# 计算签名 (POST JSON)
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sign = generate_signature_final(payload, is_json_body=True)
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payload['signature'] = sign
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# 补回 timestamp 到 body 中，因为签名计算时 pop 掉了
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payload['timestamp'] = timestamp
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headers = {
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'Authorization': f'Bearer {token}',
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'Content-Type': 'application/json'
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}
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try:
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resp = requests.post(url, json=payload, headers=headers, timeout=20)
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return resp.json()
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except Exception as e:
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print(f"[IoT API] 获取详情失败: {e}")
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return None
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# ==========================================
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# 4. 主服务入口 (供 api.py 调用)
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# ==========================================
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def sync_iot_data_service():
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"""
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执行完整的同步流程：
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1. 登录
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2. 遍历所有分页获取 ICCID
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3. 批量查询详情
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4. 返回完整数据列表 (List[Dict])
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"""
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print("[IoT Service] 开始同步任务...")
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# 1. 登录
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token = get_access_token()
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if not token:
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return []
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# 2. 循环翻页获取所有 ICCID
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all_iccids = []
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page_no = 1
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page_size = 100
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while True:
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res = get_iot_card_page(token, page_no, page_size)
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# 校验响应
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if not res or (res.get('code') != 0 and res.get('code') != 200):
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print(f"[IoT Service] 列表获取结束或中断: {res.get('msg') if res else 'No Response'}")
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break
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# 解析数据结构 (兼容 data 为 list 或 data.rows)
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data_field = res.get('data', {})
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rows = []
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if isinstance(data_field, list):
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rows = data_field
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elif isinstance(data_field, dict):
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rows = data_field.get('rows', []) or data_field.get('list', [])
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if not rows:
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break
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# 提取 ICCID
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current_batch = [str(x.get('iccid')) for x in rows if x.get('iccid')]
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all_iccids.extend(current_batch)
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# print(f"DEBUG: page {page_no} done, items: {len(current_batch)}")
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# 判断是否最后一页
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if len(rows) < page_size:
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break
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page_no += 1
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time.sleep(0.2) # 避免请求过快
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total_count = len(all_iccids)
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if total_count == 0:
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print("[IoT Service] 未找到任何卡片")
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return []
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# 3. 分批查询详情
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final_data_list = []
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batch_size = 50
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# print(f"DEBUG: 开始查询 {total_count} 张卡的详情...")
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for i in range(0, total_count, batch_size):
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batch_iccids = all_iccids[i: i + batch_size]
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detail_res = get_iot_card_details_batch(token, batch_iccids)
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if detail_res and (detail_res.get('code') == 0 or detail_res.get('code') == 200):
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details = detail_res.get('data', [])
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if isinstance(details, list):
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final_data_list.extend(details)
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time.sleep(0.2)
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print(f"[IoT Service] 同步完成，共获取 {len(final_data_list)} 条详情数据")
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# 4. 返回列表供 api.py 写入数据库
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return final_data_list |