调用apiclient.discovery.build时URL的SSL证书无效和/或丢失。
所以我在本地用dev_appserver.py运行我的google端点。我使用API资源管理器来测试应用程序。
我用来创建服务的代码如下，这样我就可以调用API了：
from apiclient.discovery import build
from oauth2client.client import GoogleCredentials
credentials = GoogleCredentials.get_application_default()
service = build('speech', 'v1beta1', credentials=credentials)我收到一个SSL错误(无效和/或缺少SSL证书)，即使当我通过浏览器访问指定的URL时，它工作正常(即，绿色挂锁显示)。
我不确定发生了什么变化，但不久前这个功能还运行得很好。
我尝试禁用SSL检查，但无法禁用。
完整日志如下：
INFO 2017-01-02 03:12:02,724 discovery.py:267] URL being requested: GET https://www.googleapis.com/discovery/v1/apis/speech/v1beta1/rest?userIp=0.2.0.3
ERROR 2017-01-02 03:12:03,022 wsgi.py:263]
Traceback (most recent call last):
File "/home/vini/opt/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 240, in Handle
handler = _config_handle.add_wsgi_middleware(self._LoadHandler())
File "/home/vini/opt/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 299, in _LoadHandler
handler, path, err = LoadObject(self._handler)
File "/home/vini/opt/google-cloud-sdk/platform/google_appengine/google/appengine/runtime/wsgi.py", line 85, in LoadObject
obj = __import__(path[0])
File "/mnt/b117/home/vini/udacity/cerci-endpoint/api.py", line 28, in <module>
service = build('speech', 'v1beta1', credentials=credentials)
File "/mnt/b117/home/vini/udacity/cerci-endpoint/lib/oauth2client/_helpers.py", line 133, in positional_wrapper
return wrapped(*args, **kwargs)
File "/mnt/b117/home/vini/udacity/cerci-endpoint/lib/googleapiclient/discovery.py", line 222, in build
cache)
File "/mnt/b117/home/vini/udacity/cerci-endpoint/lib/googleapiclient/discovery.py", line 269, in _retrieve_discovery_doc
resp, content = http.request(actual_url)
File "/mnt/b117/home/vini/udacity/cerci-endpoint/lib/httplib2/__init__.py", line 1609, in request
(response, content) = self._request(conn, authority, uri, request_uri, method, body, headers, redirections, cachekey)
File "/mnt/b117/home/vini/udacity/cerci-endpoint/lib/httplib2/__init__.py", line 1351, in _request
(response, content) = self._conn_request(conn, request_uri, method, body, headers)
File "/mnt/b117/home/vini/udacity/cerci-endpoint/lib/httplib2/__init__.py", line 1307, in _conn_request
response = conn.getresponse()
File "/home/vini/opt/google-cloud-sdk/platform/google_appengine/google/appengine/dist27/gae_override/httplib.py", line 532, in getresponse
raise HTTPException(str(e))
HTTPException: Invalid and/or missing SSL certificate for URL: https://www.googleapis.com/discovery/v1/apis/speech/v1beta1/rest?userIp=0.2.0.3你知道是什么导致了这个问题吗？
我是否必须“安装”或更新python使用的SSL证书？
回答 3
Stack Overflow用户
发布于 2017-01-02 17:57:43
根据App Engine issue 13477的说法，在urlfetch_cacerts.txt中找到的一些证书似乎已过期，该证书包含在App Engine Python SDK / gcloud-sdk的2017-01-01中。
作为临时解决办法，您可以使用https://curl.haxx.se/ca/cacert.pem替换<your-cloud-sdk-path>/platform/google_appengine/lib/cacerts/urlfetch_cacerts.txt的内容
Stack Overflow用户
发布于 2018-02-23 05:02:10
基于@danielx对macOS用户的回答，这就是对我有效的方法。我的证书路径是：
/Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/cacerts/urlfetch_cacerts.txt为了更新它，我使用了以下步骤：
cd /Applications/GoogleAppEngineLauncher.app/Contents/Resources/GoogleAppEngine-default.bundle/Contents/Resources/google_appengine/lib/cacerts
mv urlfetch_cacerts.txt urlfetch_cacerts.bup
curl -o urlfetch_cacerts.txt -k https://curl.haxx.se/ca/cacert.pem如果您没有安装curl，您可以手动download证书并将其移动到上面的文件夹中。如果App Engine dev服务器已经在运行，不要忘记重新启动它。
Stack Overflow用户
发布于 2017-08-29 01:31:56
最近在2017年8月在本地开发环境中发现了此错误。修复方法是更新所有urlfetch调用并强制验证证书：
urlfetch.fetch(url=url, validate_certificate=True)无需接触gcloud证书(MacOS)。参见Issuing an HTTPS request。
https://stackoverflow.com/questions/41421007
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