Fixed revoke API logic

Author: wasin-waeosri

Article.md

@@ -733,34 +733,38 @@ POST /auth/oauth2/v1/revoke HTTP/1.1
 Accept: */*
 Content-Type: application/x-www-form-urlencoded
 Host: api.refinitiv.com:443
-Authorization: Basic <App Key in Base64>
+Authorization: Basic <App Key+":" in Base64>
 Content-Length: XXX
 
 token={current_Access_token}
 ```
 
+**Note**: 
+- Please be noticed **":"** string after the **App Key**. 
+- The ```/revoke``` endpoint does not use the ```password``` in a Basic Authorization, so we need to send empty password in ```AppKey:``` format.
+
 Python code:
+
 ```Python
 #step 7 - Revoking Token
 import base64
 
-clientId_bytes = clientId.encode('ascii')
+clientId_bytes = f'{clientId}:'.encode('ascii') #Please be noticed ":" string after the app-key
 base64_bytes = base64.b64encode(clientId_bytes)
 clientId_base64 = base64_bytes.decode('ascii')
 
 # Send HTTP Request
 auth_url = f'{RDP_HOST}/auth/oauth2/v1/revoke'
 payload = f'token={access_token}'
-auth_response = None 
+auth_response = None
 
 try:
     auth_response = requests.post(auth_url, 
                              headers = {
                                  'Content-Type':'application/x-www-form-urlencoded',
                                  'Authorization': f'Basic {clientId_base64}'
                              }, 
-                             data = payload, 
-                             auth = (clientId, '')
+                             data = payload
                 )
 except requests.exceptions.RequestException as exp:
     print(f'Caught exception: {exp}')
@@ -771,6 +775,7 @@ if auth_response.status_code != 200:
     print(f'RDP authentication failure: {auth_response.status_code} {auth_response.reason}')
     print(f'Text: {auth_response.text}')
 ```
+
 That’s all I have to say about the CFS API workflow.
 
 ## <a id="how_to_run"></a>How to run the demo application

RDP-Generic-CFS.html

@@ -8787,11 +8787,16 @@ <h3 id="Step-7:-Revoke-Token-to-ending-the-session.">Step 7: Revoke Token to end
 <span class="na">Accept</span><span class="o">:</span> <span class="l">*/*</span>
 <span class="na">Content-Type</span><span class="o">:</span> <span class="l">application/x-www-form-urlencoded</span>
 <span class="na">Host</span><span class="o">:</span> <span class="l">api.refinitiv.com:443</span>
-<span class="na">Authorization</span><span class="o">:</span> <span class="l">Basic &lt;App Key in Base64&gt;</span>
+<span class="na">Authorization</span><span class="o">:</span> <span class="l">Basic &lt;App Key+":" in Base64&gt;</span>
 <span class="na">Content-Length</span><span class="o">:</span> <span class="l">XXX</span>
 
 <span class="nt">token</span><span class="o">=</span><span class="s">{current_Access_token}</span>
 </pre></div>
+<p><strong>Note</strong>:</p>
+<ul>
+<li>Please be noticed <strong>":"</strong> string after the <strong>App Key</strong>.</li>
+<li>The <code>/revoke</code> endpoint does not use the <code>password</code> in a Basic Authorization, so we need to send empty password in <code>AppKey:</code> format.</li>
+</ul>
 </div>
 </div>
 </div>
@@ -8807,7 +8812,7 @@ <h3 id="Step-7:-Revoke-Token-to-ending-the-session.">Step 7: Revoke Token to end
 
 <span class="kn">import</span><span class="w"> </span><span class="nn">base64</span>
 
-<span class="n">clientId_bytes</span> <span class="o">=</span> <span class="n">clientId</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">'ascii'</span><span class="p">)</span>
+<span class="n">clientId_bytes</span> <span class="o">=</span> <span class="sa">f</span><span class="s1">'</span><span class="si">{</span><span class="n">clientId</span><span class="si">}</span><span class="s1">:'</span><span class="o">.</span><span class="n">encode</span><span class="p">(</span><span class="s1">'ascii'</span><span class="p">)</span> <span class="c1">#Please be noticed ":" string after the app-key</span>
 <span class="n">base64_bytes</span> <span class="o">=</span> <span class="n">base64</span><span class="o">.</span><span class="n">b64encode</span><span class="p">(</span><span class="n">clientId_bytes</span><span class="p">)</span>
 <span class="n">clientId_base64</span> <span class="o">=</span> <span class="n">base64_bytes</span><span class="o">.</span><span class="n">decode</span><span class="p">(</span><span class="s1">'ascii'</span><span class="p">)</span>
 
@@ -8822,8 +8827,7 @@ <h3 id="Step-7:-Revoke-Token-to-ending-the-session.">Step 7: Revoke Token to end
                                  <span class="s1">'Content-Type'</span><span class="p">:</span><span class="s1">'application/x-www-form-urlencoded'</span><span class="p">,</span>
                                  <span class="s1">'Authorization'</span><span class="p">:</span> <span class="sa">f</span><span class="s1">'Basic </span><span class="si">{</span><span class="n">clientId_base64</span><span class="si">}</span><span class="s1">'</span>
                              <span class="p">},</span> 
-                             <span class="n">data</span> <span class="o">=</span> <span class="n">payload</span><span class="p">,</span> 
-                             <span class="n">auth</span> <span class="o">=</span> <span class="p">(</span><span class="n">clientId</span><span class="p">,</span> <span class="s1">''</span><span class="p">)</span>
+                             <span class="n">data</span> <span class="o">=</span> <span class="n">payload</span>
                 <span class="p">)</span>
 <span class="k">except</span> <span class="n">requests</span><span class="o">.</span><span class="n">exceptions</span><span class="o">.</span><span class="n">RequestException</span> <span class="k">as</span> <span class="n">exp</span><span class="p">:</span>
     <span class="nb">print</span><span class="p">(</span><span class="sa">f</span><span class="s1">'Caught exception: </span><span class="si">{</span><span class="n">exp</span><span class="si">}</span><span class="s1">'</span><span class="p">)</span>

RDP-Generic-CFS.ipynb

@@ -7,7 +7,7 @@
    "source": [
     "# RDP Generic CFS File Workflow\n",
     "\n",
-    "**Last Update**: June 2025\n",
+    "**Last Update**: August 2025\n",
     "\n",
     "Example Code Disclaimer:\n",
     "ALL EXAMPLE CODE IS PROVIDED ON AN “AS IS” AND “AS AVAILABLE” BASIS FOR ILLUSTRATIVE PURPOSES ONLY. LSEG MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND, EXPRESS OR IMPLIED, AS TO THE OPERATION OF THE EXAMPLE CODE, OR THE INFORMATION, CONTENT, OR MATERIALS USED IN CONNECTION WITH THE EXAMPLE CODE. YOU EXPRESSLY AGREE THAT YOUR USE OF THE EXAMPLE CODE IS AT YOUR SOLE RISK."
@@ -1090,11 +1090,15 @@
     "Accept: */*\n",
     "Content-Type: application/x-www-form-urlencoded\n",
     "Host: api.refinitiv.com:443\n",
-    "Authorization: Basic <App Key in Base64>\n",
+    "Authorization: Basic <App Key+\":\" in Base64>\n",
     "Content-Length: XXX\n",
     "\n",
     "token={current_Access_token}\n",
-    "```"
+    "```\n",
+    "\n",
+    "**Note**: \n",
+    "- Please be noticed **\":\"** string after the **App Key**. \n",
+    "- The ```/revoke``` endpoint does not use the ```password``` in a Basic Authorization, so we need to send empty password in ```AppKey:``` format."
    ]
   },
   {
@@ -1116,7 +1120,7 @@
     "\n",
     "import base64\n",
     "\n",
-    "clientId_bytes = clientId.encode('ascii')\n",
+    "clientId_bytes = f'{clientId}:'.encode('ascii') #Please be noticed \":\" string after the app-key\n",
     "base64_bytes = base64.b64encode(clientId_bytes)\n",
     "clientId_base64 = base64_bytes.decode('ascii')\n",
     "\n",
@@ -1131,8 +1135,7 @@
     "                                 'Content-Type':'application/x-www-form-urlencoded',\n",
     "                                 'Authorization': f'Basic {clientId_base64}'\n",
     "                             }, \n",
-    "                             data = payload, \n",
-    "                             auth = (clientId, '')\n",
+    "                             data = payload\n",
     "                )\n",
     "except requests.exceptions.RequestException as exp:\n",
     "    print(f'Caught exception: {exp}')\n",

RDP-Generic-CFS.pdf

@@ -1,6 +1,6 @@
 # A Generic and Step By Step Workflow for RDP Client File Store (CFS) File API
-- version: 1.0.8
-- Last update: February 2025
+- version: 1.0.9
+- Last update: August 2025
 - Environment: Jupyter Notebook
 - Prerequisite: [Access to RDP credentials](#prerequisite)