我尝试使用Firebase云消息HTTP v1
下面是在Windows下运行的Python代码
import json
import requests
from google.oauth2.service_account import Credentials
import google.auth.transport.requests
def _get_access_token():
credentials = Credentials.from_service_account_file(
'C:/yocto/wenote-notification/send_notification/wenote-206215-firebase-adminsdk-9fpls-a3fdd2934c.json',
scopes=['https://www.googleapis.com/auth/firebase.messaging']
)
request = google.auth.transport.requests.Request()
credentials.refresh(request)
access_token = credentials.token
return access_token
def generate_header():
return {'Authorization' : 'Bearer ' + _get_access_token(), 'Content-type' : 'application/json'}
# Header
headers = generate_header()
print(headers)
# Data
string = '{"message":{"token": "cSW75-6OF-w:APA91bE-E6vWucBe8rRijpDLlZGHhyfwoaLJr3R1TZEvieBM-__ZXwXlBS34kUticUN_eSbwvQGTymbmtd7sHT5U9O_v9HePyVn7jnUD9IBdoZZYSQ1CrgxXS1sz9wjAd5pKHIddoKj8", "data": {"sync": false, "sync_device_count": 2}, "fcm_options": {"analytics_label": "wenote_analytics_label"}}}'
request_data = json.loads(string)
print(request_data)
r = requests.post('https://fcm.googleapis.com/v1/projects/wenote-206215/messages:send', headers=headers, json=request_data)
if r.status_code != 200:
r.raise_for_status()
我发送到Firebase服务器的消息是
{
"message":{
"token":"cSW75-6OF-w:APA91bE-E6vWucBe8rRijpDLlZGHhyfwoaLJr3R1TZEvieBM-__ZXwXlBS34kUticUN_eSbwvQGTymbmtd7sHT5U9O_v9HePyVn7jnUD9IBdoZZYSQ1CrgxXS1sz9wjAd5pKHIddoKj8",
"data":{
"sync":false,
"sync_device_count":2
},
"fcm_options":{
"analytics_label":"wenote_analytics_label"
}
}
}
但是,我得到了以下错误
c:\yocto\wenote-notification\send_notification>python a.py
{'Authorization': 'Bearer ya29.c.Ko8BvQdCd-8US-DzQ-AcuTOURlGTQEvJt4mtofaeM08LRIhXBfC4RFN3QzkAcCdnaqI6uJLQlk1YJg67KQOhF8CtNux9t743nq2NN9uoW2mbQiB2y_2fjRUhiIIM7Wz2nt9rDOM4zFIFwKlHtLPXRLa4IGo0Ho-dq8zzVxQH1qPNGqy_ja8WowQCY5ReAQkmAmE', 'Content-type': 'application/json'}
{'message': {'token': 'cSW75-6OF-w:APA91bE-E6vWucBe8rRijpDLlZGHhyfwoaLJr3R1TZEvieBM-__ZXwXlBS34kUticUN_eSbwvQGTymbmtd7sHT5U9O_v9HePyVn7jnUD9IBdoZZYSQ1CrgxXS1sz9wjAd5pKHIddoKj8', 'data': {'sync': False, 'sync_device_count': 2}, 'fcm_options': {'analytics_label': 'wenote_analytics_label'}}}
Traceback (most recent call last):
File "a.py", line 38, in <module>
r.raise_for_status()
File "C:\Python36\lib\site-packages\requests\models.py", line 940, in raise_for_status
raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 400 Client Error: Bad Request for url: https://fcm.googleapis.com/v1/projects/wenote-206215/messages:send
你知道为什么会这样吗?我怎样才能解决这个问题
我已检查我的Firebase云消息传递控制台。它已启用
您需要稍微调整request_数据对象,因为模式已更改
之前(传统http协议):
之后(HTTP v1 API):
请注意主题参数中的更改,以及消息对象的换行
查看此指南:https://firebase.google.com/docs/cloud-messaging/migrate-v1
您可以查看这个非常干净且基于python结构的FCM最小示例:https://github.com/firebase/quickstart-python/blob/688fcfa8068dcac67978a171df828c9e77cd320e/messaging/messaging.py#L57
这是调试上述问题的方法
使用
而不是
我们将得到以下错误
看起来HTTP v1对值类型的要求非常严格(它需要是字符串)
因此,与其使用
我们需要使用
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