From d88631f95ca65bb10b0bda3b52100c82f8404fbb Mon Sep 17 00:00:00 2001
From: jinroq <2787780+jinroq@users.noreply.github.com>
Date: Sun, 30 Jun 2019 23:28:05 +0900
Subject: [PATCH 1/2] Modified usage example, because it could NOT execute.

---
 README.md | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/README.md b/README.md
index 3fef5f0cf0..5e3f7984c2 100644
--- a/README.md
+++ b/README.md
@@ -28,27 +28,36 @@ The recommended library for authenticating against AAD is [ADAL](https://github.
 ### Usage example
 
 ```ruby
-require 'adal'
+require 'httparty'
+require 'nokogiri'
 require 'microsoft_graph'
 
-# authenticate using ADAL
-username      = 'admin@tenant.onmicrosoft.com'
-password      = 'xxxxxxxxxxxx'
+MS_BASE_URL        = "https://login.microsoftonline.com".freeze
+TOKEN_REQUEST_PATH = "oauth2/v2.0/token".freeze
+
+# Your configuration
 client_id     = 'xxxxx-xxxx-xxx-xxxxxx-xxxxxxx'
 client_secret = 'xxxXXXxxXXXxxxXXXxxXXXXXXXXxxxxxx='
-tenant        = 'tenant.onmicrosoft.com'
-user_cred     = ADAL::UserCredential.new(username, password)
-client_cred   = ADAL::ClientCredential.new(client_id, client_secret)
-context       = ADAL::AuthenticationContext.new(ADAL::Authority::WORLD_WIDE_AUTHORITY, tenant)
-resource      = "https://graph.microsoft.com"
-tokens        = context.acquire_token_for_user(resource, client_cred, user_cred)
+tenant_id     = 'xxxxx-xxxx-xxx-xxxxxx-xxxxxxx'
+
+response = HTTParty.post(
+  "#{MS_BASE_URL}/#{tenant_id}/#{TOKEN_REQUEST_PATH}",
+  multipart: true,
+  body: {
+    client_id: client_id,
+    client_secret: client_secret,
+    scope: 'https://graph.microsoft.com/.default',
+    grant_type: 'client_credentials'
+  }
+)
+raise "#{response.message}" unless response.code == 200
+token = JSON.parse(response.body)['access_token']
 
 # add the access token to the request header
-callback = Proc.new { |r| r.headers["Authorization"] = "Bearer #{tokens.access_token}" }
+callback = Proc.new { |r| r.headers["Authorization"] = "Bearer #{token}" }
 
-graph = MicrosoftGraph.new(base_url: "https://graph.microsoft.com/v1.0",
+graph = MicrosoftGraph.new(base_url: MicrosoftGraph::BASE_URL,
                            cached_metadata_file: File.join(MicrosoftGraph::CACHED_METADATA_DIRECTORY, "metadata_v1.0.xml"),
-                           api_version: '1.6', # Optional
                            &callback
 )
 

From b26cf40ad001b98b34121d3a9e3761354dc31e65 Mon Sep 17 00:00:00 2001
From: jinroq <2787780+jinroq@users.noreply.github.com>
Date: Wed, 10 Jul 2019 20:25:03 +0900
Subject: [PATCH 2/2] httparty -> httpclient

---
 README.md | 33 ++++++++++++++++++---------------
 1 file changed, 18 insertions(+), 15 deletions(-)

diff --git a/README.md b/README.md
index 5e3f7984c2..9e6f8492eb 100644
--- a/README.md
+++ b/README.md
@@ -28,9 +28,11 @@ The recommended library for authenticating against AAD is [ADAL](https://github.
 ### Usage example
 
 ```ruby
-require 'httparty'
-require 'nokogiri'
+require 'httpclient'
 require 'microsoft_graph'
+require 'json'
+require 'nokogiri'
+require 'net/http'
 
 MS_BASE_URL        = "https://login.microsoftonline.com".freeze
 TOKEN_REQUEST_PATH = "oauth2/v2.0/token".freeze
@@ -40,15 +42,18 @@ client_id     = 'xxxxx-xxxx-xxx-xxxxxx-xxxxxxx'
 client_secret = 'xxxXXXxxXXXxxxXXXxxXXXXXXXXxxxxxx='
 tenant_id     = 'xxxxx-xxxx-xxx-xxxxxx-xxxxxxx'
 
-response = HTTParty.post(
+client = HTTPClient.new
+response = client.post(
   "#{MS_BASE_URL}/#{tenant_id}/#{TOKEN_REQUEST_PATH}",
-  multipart: true,
-  body: {
-    client_id: client_id,
-    client_secret: client_secret,
-    scope: 'https://graph.microsoft.com/.default',
-    grant_type: 'client_credentials'
-  }
+  {
+    body: { client_id: client_id,
+            client_secret: client_secret,
+            scope: 'https://graph.microsoft.com/.default',
+            grant_type: 'client_credentials',
+          },
+    'Content-Type' => 'application/json',
+    multipart: true,
+ }
 )
 raise "#{response.message}" unless response.code == 200
 token = JSON.parse(response.body)['access_token']
@@ -61,11 +66,9 @@ graph = MicrosoftGraph.new(base_url: MicrosoftGraph::BASE_URL,
                            &callback
 )
 
-me = graph.me # get the current user
-puts "Hello, I am #{me.display_name}."
-
-me.direct_reports.each do |person|
-  puts "How's it going, #{person.display_name}?"
+users = graph.users
+users.each do |user|
+  puts "Hello, I am #{user.display_name}"
 end
 ```