How to get http headers in flask

Question

I am newbie to python and using Python Flask and generating REST API service   I want to check authorization header which is sent the client   But I can t find way to get HTTP header in flask   Any help for getting HTTP header authorization is appreciated

User · Answer

If any one s trying to fetch all headers that were passed then just simply use   dict request headers    it gives you all the headers in a dict from which you can actually do whatever ops you want to  In my use case I had to forward all headers to another API since the python API was a proxy

User · Answer

just note  The different between the methods are  if the header is not exist  request headers get  your-header-name     will return None or no exception  so you can use it like  if request headers get  your-header-name               but the following will throw an error  if request headers  your-header-name     KeyError   your-header-name             You can handle it by  if  your-header-name  in request headers     customHeader   request headers  your-header-name

User · Answer

from flask import request request headers get  your-header-name     request headers behaves like a dictionary  so you can also get your header like you would with any dictionary   request headers  your-header-name

User · Answer

Let s see how we get the params  headers and body in Flask  I m gonna explain with the help of postman     The params keys and values are reflected in the API endpoint  for example key1 and key2 in the endpoint   https   127 0 0 1 upload key1 value1 amp key2 value2  from flask import Flask  request app   Flask   name      app route   upload   def upload       key 1   request args get  key1     key 2   request args get  key2     print key 1     -- gt  value1   print key 2     -- gt  value2   After params  let s now see how to get the headers       header 1   request headers get  header1     header 2   request headers get  header2     print header 1     -- gt  header value1   print header 2     -- gt  header value2   Now let s see how to get the body       file name   request files  file   filename   ref id   request form  referenceId     print ref id     -- gt  WWB9838yb3r47484   so we fetch the uploaded files with request files and text with request form

[python] How to get http headers in flask?

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