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--- radiusdesk:login_pages:otp [2023/01/25 17:17]
admin [Background]
+++ radiusdesk:login_pages:otp [2023/01/26 01:44] (current)
admin [Enable System To Send OTPs]
@@ Line 4: / Line 4: @@
   * A user will typically provide a **mobile number** or **email address**.
   * The system will then send a code to the mobile number using SMS or to the email address using an email.
-  * This code will be used to by the user to validate itself to the system.
+  * This code will be used by the user to validate itself to the system.
   * As for February 2023 RADIUSdesk includes support for OTP verification for Captive Portal (Hotspot) users.
   * We support the following ways to send the OTP:
@@ Line 16: / Line 16: @@
 ===== Enable System To Send OTPs =====
   * In order for RADIUSdesk to send an OTP you have to configure the system to be able to send the OTP using email or SMS.
-  * RADIUSdesk allows for you to configure a system wide configuration but it also allows you to define per cloud setting which will take preference over they system wide settings.
+  * RADIUSdesk allows for you to configure a system wide configuration but it also allows you to define per cloud settings which will take preference over the system wide settings.
   * See the following screenshot for the email configuration:
 {{:radiusdesk:login_pages:sendgrid_config.png?nolink|}}
@@ Line 29: / Line 29: @@
   * As with the email settings you are also able to test the SMS Settings after configuration.
   * You can also view the history of all the SMSs that the system sent out using that particular configuration by clicking the **Show Sent History** button.
+<WRAP center round tip 100%>
+  * These settings can also be specified per Cloud.
+  * Go to **Other** -> **Clouds**.
+  * Simply select the cloud for which you want to add more specific settings and edit it.
+  * These settings will take preference.
+</WRAP>
+===== OTP For User Registration =====
+{{:radiusdesk:login_pages:user_registration.png?nolink|}}
+  * The above screenshot should be mostly self explanatory.
+  * There is however one important point that should be mentioned on using Email for OTP.
+  * We sit with a bit of a chicken and egg situation since the person will need Internet access to get to their email to retrieve the OTP.
+  * We will thus provide them temporary Internet access for this action.
+  * This is what the **Temp login user** is for.
+  * You are advised to create a dedicated user with a special profile for this purpose.
+  * The profile should be
+        * Time limited. e.g. Session-Timeout should be 360 seconds (5minutes)
+        * The bandwidth should be limited.
+  * This will allow for the user that registers to retrieve the OTP from their email but not much beyond that in terms of Internet connection.
+  * The email with the OTP will also contain a link which the user can click to confirm the OTP to the system.
+  * This makes is easy if the WebView with the Captive Portal Login Page closed while the user retrieved the OTP from their email.
+===== OTP For Click To Connect =====
+{{:radiusdesk:login_pages:otp_click_to_connect.png?nolink|}}
+  * With OTP for Click To Connect there are one of two options.
+  * If you select the email option for the OTP, again you have to provide temporary Internet access to the user as with User Registration above.
+  * If you select SMS option (the user's mobile number) you don't need to provide anything since the OTP will be delivered as an SMS.
+  * We also again added a link in the email for the user to conveniently confirm the OTP by clicking on the link.
+===== Some Technical Items =====
+==== Expiry of the OTP ====
+  * The current expiry time for an OTP is two minutes.
+  * This can be adjusted by editing **/var/www/html/cake4/rd_cake/src/Controller/RegisterUsersController.php** and **/var/www/html/cake4/rd_cake/src/Controller/DataCollectortsController.php** files.
+  * Look for this line and adjust acordingly.
+<code php>
+protected $valid_minutes = 2; //The time that an OTP will be valid (in minutes)
+</code>
+  * For the verification through the Email link we expire the OTP after** $valid_minutes times two**. (4minutes)
+==== Disconnecting Temp Connection ====
+  * The URL link in the email will cause a redirect to a special CoovaChilli URL that will log the user out (http://1.0.0.0).
+  * For this to happen the user should be connected to the Captive Portal so that this URL can log them out.
+<code php>
+if($otp == $q_r->value){
+    $success = true;
+    $this->{'PermanentUserOtps'}->patchEntity($q_r, ['status' => 'otp_confirmed']);
+    $this->{'PermanentUserOtps'}->save($q_r);
+    $user_id = $q_r->permanent_user_id;
+    $q_pu = $this->{'PermanentUsers'}->find()->where(['PermanentUsers.id' =>$user_id])->first();
+        if($q_pu){
+		$this->{'PermanentUsers'}->patchEntity($q_pu, ['active' => 1]);
+		$this->{'PermanentUsers'}->save($q_pu);
+	}
+	$this->response = $this->response->withHeader('Location', "http://1.0.0.0");
+        return $this->response;
+}else{
+</code>
+<WRAP center round important 100%>
+We are still looking for a similar way to disconnect users on a Mikrotik based Hotspot.
+</WRAP>

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