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How to get Microsoft Graph API token to read mails

I'm trying to retrieve mails from my organization's mailbox, and I can do that via Graph Explorer. However, when I use the same information that I used in Graph Explorer, the generated token returns an error stating '/me request is only valid with delegated authentication flow.' in me/messages endpoint.
So, how can I generate the acceptable token for the /me endpoint?
An example python code or example Postman request would be amazing.

It sounds like the endpoint you're using in Graph Explorer is something like this
https://graph.microsoft.com/v1.0/me/messages
/me is referring to the user signed into Graph Explorer. If you want to read another user's messages you would use
https://graph.microsoft.com/v1.0/users/user#domain.com/messages
When connecting to Graph API as an application with no user interaction, you can never use /me endpoints, as there's no user logged in.
Reference
https://learn.microsoft.com/en-us/graph/api/user-list-messages?view=graph-rest-1.0
Python example to list messages
import requests
def get_messages(access_token, user):
request_url = f"https://graph.microsoft.com/v1.0/users/{user}/messages"
request_headers = {
"Authorization": "Bearer " + access_token
}
result = requests.get(url = request_url, headers = request_headers)
return(result)
msgs = get_messages(access_token = token['access_token'], user = "userPrincipalName#domain.com")
print(msgs.content)
Additional example of obtaining a token, using an app registration and client secret
import msal
def get_token_with_client_secret(client_id, client_secret, tenant_id):
# This function is to obtain a bearer token using the client credentials flow, with a client secret instead of a certificate
# https://docs.microsoft.com/en-us/graph/sdks/choose-authentication-providers?tabs=CS#client-credentials-provider
app = msal.ConfidentialClientApplication(
client_id = client_id,
client_credential = client_secret,
authority = f"https://login.microsoftonline.com/{tenant_id}")
scopes = ["https://graph.microsoft.com/.default"]
token = app.acquire_token_for_client(scopes = scopes)
return(token)

Python (requests library) ETL: Spotify API "Authorization Code Flow" - Request Access Token Problem

Context:
I'm working on a side project to pull data from the Spotify API into a
Microsoft SQL Server database as part of a refreshing ETL job. I need
to use the "Authorization Code Flow" so I can authorize/authenticate
programmatically, so my table will populate each day.
I'm using the Python requests library for this, and I don't want to
make an Object Oriented Solution for this if possible (not my
preference).
Problem:
I'm having trouble getting the Access Token after authenticating.
Looking at similar issues, it's very similar to this one:
Spotify API Authorization Code Flow with Python
.
I'm not sure why I'm getting a Response 400 (Bad Request) from this.
Can someone please advise here?
Code:
# used to to encode byte string from CLIENT_ID : CLIENT_SECRET, then decode for Authentication Header
import base64
# used to make HTTP requests from Spotify API
import requests
# used to access the environment variables
import os
def request_user_authorization():
'''
HTTP GET request to gain access to data (Authorization Code Flow)
HTTP POST request to send the code and receive an Authorization Token (current issue)
https://developer.spotify.com/documentation/general/guides/authorization/code-flow/
'''
# URLs
AUTH_URL = 'https://accounts.spotify.com/authorize'
TOKEN_URL = 'https://accounts.spotify.com/api/token'
BASE_URL = 'https://api.spotify.com/v1'
SPOTIFY_URI = 'https://api.spotify.com/v1/me/player/recently-played'
# sensitive items
CLIENT_ID = os.environ.get('SPOTIFY_CLIENT_ID_ENV')
CLIENT_SECRET = os.environ.get('SPOTIFY_CLIENT_SECRET_ENV')
# make a request to the /authorize endpoint to get an authorization code
user_authorization_code = requests.get(
AUTH_URL, {
'client_id': CLIENT_ID,
'response_type': 'code',
'redirect_uri': SPOTIFY_URI,
'scope': 'user-read-recently-played',
}
)
# Code 200 = "OK"
print(user_authorization_code)
#----------------------------------------------------------#
api_header_string = base64.urlsafe_b64encode((CLIENT_ID + ':' + CLIENT_SECRET).encode('ascii'))
api_headers={
'Content-Type': 'application/x-www-form-urlencoded',
'Authorization': 'Basic %s' % api_header_string.decode('ascii')
}
api_payload = {
'grant_type': 'authorization_code',
'code': user_authorization_code,
'redirect_uri': SPOTIFY_URI,
'client_id': CLIENT_ID,
'client_secret': CLIENT_SECRET
}
#issue here:
# Make a request to the /token endpoint to get an access token
access_token_request = requests.post(url=TOKEN_URL, data=api_payload, headers=api_headers)
# returns <Response [400]>
# https://datatracker.ietf.org/doc/draft-ietf-httpbis-semantics/
# 15.5.1. 400 Bad Request
# The _400 (Bad Request)_ status code indicates that the server cannot
# or will not process the request due to something that is perceived to
# be a client error (e.g., malformed request syntax, invalid request
# message framing, or deceptive request routing).
# print(access_token_request)
#----------------------------------------------------------#
request_user_authorization()

You seem to have misunderstood how the Authorizatuon Code Flow works.
The redirect_uri in this kind of flow is used by the provider api (here spotify) as a callback to give you the authorization code.
The spotify API will call this url with a code parameter that you can use to ask for a token.
Meaning that for this flow to work you need a web server ready to receive requests on the uri that you have given in your code request (and specified when creating your app on the spotify developer portal). You might be better off using the Client Credentials Flow for your use case.
Also you should always use the name of the keywords arguments when using requests.get, requests.post ... It makes the code clearer and the order of the arguments differ for each method so it can get confusing if you don't.

#Speedlulu you're correct, that was the problem.
For anyone in the future reading this question: this is what I learned since posting the question:
What I misunderstood was the flow of data, and that Client Credentials Flow (Application to Spotify only) was the better choice because I don't need to have a "User" portion to this program.
Spotify's Client Credentials Flow Documentation: https://developer.spotify.com/documentation/general/guides/authorization/client-credentials/
# used to access environment variables securely (sensitive data)
import os
# used to encode strings into bytes and back
import base64
# used to convert JSON data into strings
import json
# endpoint that I'm connecting to on Spotify's servers
token_request_url = "https://accounts.spotify.com/api/token"
CLIENT_ID = os.environ.get('SPOTIFY_CLIENT_ID_ENV')
CLIENT_SECRET = os.environ.get('SPOTIFY_CLIENT_SECRET_ENV')
# encode credentials into bytes, then decode into a string for the HTTP POST request to Spotify to authenticate
BASE64_ENCODED_HEADER_STRING = base64.b64encode(bytes(f"{CLIENT_ID}:{CLIENT_SECRET}", "ISO-8859-1")).decode("ascii")
#initializing dictionaries for HTTP POST request
headers = {}
data = {}
headers['Authorization'] = f"Basic {BASE64_ENCODED_HEADER_STRING}"
data['grant_type'] = "client_credentials"
data['json'] = True
data['scope'] = 'user-read-recently-played'
r = requests.post(url=token_request_url, headers=headers, data=data)
# prints the response from the server regarding the access token data (formatted to be easier to read)
print(json.dumps(r.json(), indent=2))
# store the token value in a variable for HTTP GET request
token = r.json()['access_token']
What was unclear is that I first need to POST my request with the credentials to get the token (using the specific URL to do), store the r.json()['access_token'] value in a variable, then use that as part of the following GET request to access my specific data.

Why google email auto forwarding throw error when using access_token generated using code?

Currently Now I am developing code to forward emails onto another email_id.
My code is as below.
flow = flow_from_clientsecrets(settings.CLIENTSECRETS_LOCATION, ' '.join(settings.SCOPES))
flow.redirect_uri = settings.REDIRECT_URI
credentials = flow.step2_exchange(authorization_code)
url = 'https://www.googleapis.com/gmail/v1/users/moon#mydomain.com/settings/forwardingAddresses'
body = {
"forwardingEmail": "test#mydomain.com",
}
headers = {'Authorization': 'Bearer ' + credentials.access_token}
api_call_response = requests.post(url, headers=headers, json=body)
I have used below scopes
SCOPES = [
'https://www.googleapis.com/auth/gmail.readonly',
'https://www.googleapis.com/auth/userinfo.email',
'https://www.googleapis.com/auth/userinfo.profile',
'https://www.googleapis.com/auth/gmail.settings.sharing',
'https://mail.google.com/',
]
I am getting below error:
Access restricted to service accounts that have been delegated domain-wide authority
But when I am doing same with postman where I am generating access token using Get New Access Token button api works perfectly.
Postman SS access token:
My question is when generating access token from postman It works properly but with code it generating access restriction error.
Thanks.

Make post from graph api so it return following error : An active access token must be used to query information about the current user

I want to share post from graph api in python
import requests
import urllib
host = "https://graph.facebook.com"
path = "/oauth/access_token"
params = urllib.urlencode({"client_id":"XXXXXXX","client_secret": 'XXXXXXXXXXXXXXXXXXXXXXXXX','grant_type': 'client_credentials'})
url = "{host}{path}?{params}".format(host=host, path=path, params=params)
r = requests.get(url)
print "r",r
payload = {'grant_type': 'client_credentials', 'client_id': 'XXXXXXXXXXXXXXX', 'client_secret': 'XXXXXXXXXXXXXXXXXX'}
file = requests.post('https://graph.facebook.com/oauth/access_token?', params = payload)
result = file.text.split("=")[1]
print "result",result
param = {'client_id':'XXXXXXXXXXXX', 'access_token':result}
file_one = requests.post('https://graph.facebook.com/oauth/access_token_info?', params = param)
print "access token info file",file_one
print "access token info file.text",file_one.text
host = "https://graph.facebook.com"
path = "/me/feed"
params = urllib.urlencode({"message":"Hello, World.","access_token": file.text.split("=")[1]})
url = "{host}{path}?{params}".format(host=host, path=path, params=params)
r = requests.post(url)
print "value of r",r
print "r.text",r.text
i get token but when i try to post in fb so it return error like
{"error":{"message":"An active access token must be used to query information about the current user.","type":"OAuthException","code":2500,"fbtrace_id":"G3PcKSN1mFA"}}
in facebook three types of tokens 1)user token 2)app tokens 3)page token but i required usertoken from above script i get app token not user token can you please give solution fo how we get user token

hi i found my solution from get app-access token and then convert them in to user access token this link is useful for me
Facebook Graph API: Have app access token, need user access token without interaction

OAuth generates expired bearer token

I've been following the guide for Twitter's 3-legged oauth setup:
https://dev.twitter.com/docs/auth/implementing-sign-twitter
Step 1: Obtaining a request token
For their authentication, step 1 requires making a post request containing the base64 encoded public and secret key.
key = "CONSUMER_KEY"
secret = "CONSUMER_SECRET"
auth = base64.encodestring("%s:%s" % (key, secret)).replace("\n", "")
data = {}
data["grant_type"] = "client_credentials"
headers = {}
headers["Authorization"] = "Basic " + auth
headers["Content-Type"] = "application/x-www-form-urlencoded;charset=UTF-8"
headers["Accept-Encoding"] = "gzip"
response = requests.post("https://api.twitter.com/oauth2/token",
headers=headers, data=data)
This first request returns a valid response code 200 along with an access token. The response looks like this:
{u'access_token': u'AAAAAAAAAAAAAAAAAAAAAHHHHH... ...vncbi', u'token_type': u'bearer'}
Step 2: Redirecting the user
This is where the problem is occurring. According to the docs, the user then just needs to be redirected to the authorization url formatted like this:
https://api.twitter.com/oauth/authenticate?oauth_token=AAAAAAAAAAAAAAAAAAAAAHHHHH... ...vncbi
However when I get to this page I get an error message:
Is there something I missed? The access_token is being generated without an issue. I'm not sure if this message is showing up because I set something up incorrectly earlier in the process. I'm also not sure how to check if the oauth token has expired.

Actually, you have been following https://dev.twitter.com/docs/api/1.1/post/oauth2/token which is quite different, e.g. only used for public resources and not private like status updates. For the three step one checkout https://gist.github.com/ib-lundgren/4487236 or better yet http://twython.readthedocs.org/en/latest/
If you only want to access public resources like user timelines you can do so via the code below.
# OBS: If you want to look at per user details and make status updates
# you want the OAuth1 version. This is only for publicly available
# resources such as user timelines.
from requests_oauthlib import OAuth2Session
from oauthlib.oauth2 import BackendApplicationClient
# Credentials you get from registering a new application
client_id = '<the id you get from github>'
client_secret = '<the secret you get from github>'
# TODO remove
client_id = 'VVq5UniipB5nXFAqtTA'
client_secret = 'PlaHnaSDbeY4eYkv8XiqxS1nzGWyKoq5WYSNjdeaw'
client_id = 'I1Xi7fOeYnA9jabyvGUaZxY20'
client_secret = 'k5PZpINooRpjAfQccGwLUr2ZMEtRJtoX8cKaooHjKewWupxRBG'
token_url = 'https://api.twitter.com/oauth2/token'
client = BackendApplicationClient(client_id)
twitter = OAuth2Session(client_id, client=client)
headers = {
'Content-Type': 'application/x-www-form-urlencoded;charset=UTF-8'
}
twitter.fetch_token(token_url, headers=headers, auth=(client_id, client_secret))
# Only public resources available to this application-only clients.
r = twitter.get('https://api.twitter.com/1.1/statuses/user_timeline.json?count=100&screen_name=twitterapi')
print r.content
Make sure you use the github version of the libraries
pip install git+https://github.com/idan/oauthlib.git
pip install git+https://github.com/requests/requests-oauthlib.git