How To Add Function Level Authorization to Azure Http Trigger Java Function

Question

I've Created Http Trigger Azure Java Functions, Function Name 1.FUNCTION (FUNCTION LEVEL Authorization)

,,, package com.function;

import com.microsoft.azure.functions.ExecutionContext;
import com.microsoft.azure.functions.HttpMethod;
import com.microsoft.azure.functions.HttpRequestMessage;
import com.microsoft.azure.functions.HttpResponseMessage;
import com.microsoft.azure.functions.HttpStatus;
import com.microsoft.azure.functions.annotation.AuthorizationLevel;
import com.microsoft.azure.functions.annotation.FunctionName;
import com.microsoft.azure.functions.annotation.HttpTrigger;

import java.util.Optional;

/**
 * Azure Functions with HTTP Trigger.
 */
public class Function {
    /**
     * This function listens at endpoint "/api/HttpExample". Two ways to invoke it using "curl" command in bash:
     * 1. curl -d "HTTP Body" {your host}/api/HttpExample
     * 2. curl "{your host}/api/HttpExample?name=HTTP%20Query"
     */
    @FunctionName("FUNCTION")
    public HttpResponseMessage run(
            @HttpTrigger(
                name = "req",
                methods = {HttpMethod.GET, HttpMethod.POST},
                authLevel = AuthorizationLevel.FUNCTION)
                HttpRequestMessage<Optional<String>> request,
            final ExecutionContext context) {
        context.getLogger().info("Java HTTP trigger processed a request.");

        // Parse query parameter
        final String query = request.getQueryParameters().get("name");
        final String name = request.getBody().orElse(query);



        if (name == null) {
                return request.createResponseBuilder(HttpStatus.BAD_REQUEST).body("Please pass a name on the query string or in the request body").build();
            }

    else {
                return request.createResponseBuilder(HttpStatus.OK).body("Hello, " + name).build();
        
                }
        }
    }

,,,

Above Function Having Function Auth. Successfully Deployed to Function app and I've Updated Host Key& Value

In Function App:

But This Function Not Working In Postman Even I use Host key and Value

In Header Section Through Postman

Postman Error: 401Unauthorized

Please Guide me is it right way to use FUNCTION Level Authorization For azure Java Function or need to ADD/change any Things in Code/Function App Level?

Mohit Ganorkar · Accepted Answer · 2022-12-16 06:18:24Z

1

Well if you go to Functions tab and click on the function which you have deployed.

enter image description here

Then click on the get function url tab and copy the url .

enter image description here

Now this URl would include the function key which can be used for auth

PostMan output enter image description here

answered Dec 16, 2022 at 6:18

Mohit Ganorkar

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1 Comment

Venkatesh Over a year ago

Hi Mohit, please read my question again.... I m asking Authorization not working

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