Okta's expression language is based on SpEL and uses a subset of functionalities offered by SpEL. This document details the features and syntax of Okta Expression Language used for the Global session policy and authentication policies of the Identity Engine. character. For the sake of this example let's say the domains were website-one-gov.com, website-two.com and website-three.com. To update the username format on a specific application, navigate to the application in question: Sign On > Application Username Format > Edit > Custom > Enter the appropriate expression. Don't use them to retrieve an app user's group memberships. So what can we do with regex? Testing computed attributes is most easily done using the Access Gateway sample header application. As the below code then chances are high you will have a far easier time understanding complex Okta Expressions and using their full power inside your Okta tenant. For the example below, well assume that we have a user called Ryan Howard (ryan.howard@ironcovesolutions.com). Various trademarks held by their respective owners. When you create an Okta expression, you can reference any attribute that lives on an Okta User Profile or Application User Profile. Enter the General settings for your application, such application name, application logo, and application visibility. Convert the result to lowercase. user.isMemberOf({'group.id': '00gjitX9HqABSoqTB0g3'}) || user.isMemberOf({'group.id': '00garwpuyxHaWOkdV0g4'}) For example, the code below will reject any user input that contains non-alphanumeric characters and is longer than 50 characters. In case anyone else has this problem, here are the steps I followed for adding a custom field to a user profile at the IDP level: Add the Custom Attribute for the USER. Or, you might combine the firstName and lastName attributes into a single displayName attribute. You can then access properties of that User. Obtain Firstname value. To catch these empty strings, use the following expression: user.employeeNumber == "". We are trying to tie some custom metadata to IDPs in Okta. See Include app-specific information in a custom claim. Note: You can call the parseCountryCode function on the String representations of ISO 3166-1 2-character country codes (Alpha 2), 3-character country codes (Alpha 3), numeric country codes, and country names. Note: All these functions take ISO 3166-1 2-character country codes (Alpha 2), 3-character country codes (Alpha 3), and numeric country codes as input. Click Next. (opens new window) and Available EDR signals by vendor (opens new window) for details about vendor and signal. IOS, ANDROID, WINDOWS, MACOS, MOBILE_OTHER, DESKTOP_OTHER, or CHROMEOS. Obtain the Lastname value. Obtain and append the Lastname value. In addition to referencing user, app, and organization properties, you can also reference user session properties. Various trademarks held by their respective owners. Different software and regex engines will often have their own specificities, and it's best to check the official documentation pages for a full reference of the regex version that you are using. user.status == 'ACTIVE' or user.status == 'PASSWORD_EXPIRED' or user.status = 'LOCKED_OUT' or user.status = 'RECOVERY', For exact matches, use: I'll leave that up to you to decide. Group rule conditions only allow String, Arrays, and user expressions. All rights reserved. Your custom expression must evaluate to true to include the users or false to exclude them from the campaign. Select the value in the Field field, and using the delete key, delete its contents. Indicates if the mobile device has been jailbroken or rooted. + user.profile.lastName, If the user is a contractor and is a member of the "West Coast Users" user group, output "West coast contractors", else output "Others". Click the Back to applications link. The function determines the input type and returns the output in the format specified by the function name. We have another variable canDrive and we don't assign it a value yet. Obtains the value of the device profile's unique device ID (UDID) attribute. Constants are sets of strings, while operators are symbols that denote operations over these strings. Note: Okta supports the use of the time zone IDs and aliases listed in the Time Zone Codes table. This expression doesn't include users who have Provisioned or Staged status. Now, she spends her days hunting for vulnerabilities, writing, and blogging about her adventures hacking the web. Note that 4-byte UTF-8 characters are not currently supported. Thanks for the info on default values for Okta Expression Language! You can combine and nest functions inside a single expression. Disable claim: Check this option to temporarily disable the claim for testing or debugging. Enter the expression which represents the value of the dynamic attribute value. But if John did not have a website-one-gov.com domain his manager's email would be updated to jane.doe@website-three.com, But if John did not have website-one-gov.com domain in his email, Jane's email would be updated to jane.doe@website-three.com, And finally, if John had a website-one-gov.com domain in his email but did not have a Workday account, Jane, his manager would have her email updated to jane.doe@website-three.com. To keep this default, select Userinfo/id_token request for Include in token type. Combine a couple of different metrics (IP ranges, timestamp, hostnames, and usernames) and you'll have an extremely powerful log analysis utility that you can fully customize! Security Context is made up of the risk level (opens new window) and the matching User behaviors (opens new window) for the request. Okta User Profile Every user has an Okta user profile. Check if the user has an Active Directory assignment, and if so, return their Active Directory manager UPN. The profile editor will open previously created identity providers profile page. When you create an Okta expression, you can reference EDR attributes and any property that exists in an Okta Device Profile. For a list of core User Profile attributes, see Default Profile properties. The highlighted portions are constants, meaning that the regex will match the highlighted strings literally. Gets the assistant's Okta user attribute values. This document details the features and syntax of Okta Expression Language used for the Global session policy and authentication policiesof the Identity Engine. For an example of using group functions, and for more information on using group functions for dynamic and static allowlists, see Customize tokens returned from Okta. See the ISO 3166-1 online lookup tool (opens new window). Hopefully you now understand Okta Expressions a lot better and did this article make it possible for a 5 year old to understand it? To learn more about how YARA detects malware, read my Intro to Malware Detection Using YARA. Its helpful to think of reviewer logic into IF/THEN terms for each user when building your expressions. Okta Identity Engine is currently available to a selected audience. Obtains the value of the device profile's operating system. While creating or modifying an access certification campaign, you can use Okta Expression Language expressions to take the following actions: Restrict your campaign to a subset of users Use this function to retrieve the User that is identified with the specified primary relationship. Include all users except members of certain groups. Whew! See Application properties. Okta Expression Language for net new employees . Users who are in at least one of the three groups - Interns, Contractors, or Partners. User attributes used in expressions can contain only available User or AppUser attributes. For example. Use it to add a group filter. If you're not using Universal Directory, contact your support or professional services team. To reference an Okta User Profile attribute, specify user. [Value if TRUE] : [Value if FALSE], If the middle initial isn't empty, include it as part of the full name using just the first character and appending a period. An incognito browser window it used to avoid page caching which can in some instances cause unexpected or stale results. Restrict a campaign to members of a certain group. See the following 'Popular expressions' table for some examples. The following Deprecated Some attributes; such as, device.profile.imei, device.profile.meid, device.profile.serialNumber, device.profile.udid, are not available for all devices. Group functions return either an array of groups or True or False. Today, let's go through some of the most useful regex tips for security people and how you can use them to automate your most complex tasks! Clicking the Preview button at the bottom of the screen will enable you to see if the attribute was being "pulled" from AD and "pushed" to Office 365 correctly. So far the only way I can think to do this is to have my own database to store IDP-specific custom data. Note: When EL group functions (such as isMemberOfGroup or isMemberOfGroupName) are used for app assignments, app user profile attributes arent updated or reapplied when the users group membership changes. This regex will match with all log entries that have the timestamp between 12 and 2 PM on March 2nd. Obtain the email value again. Custom expressions allow you to refine your conditions, by referencing one or more attributes. Youll need to reference the Variable Name to get the output to show. For example, let's say that your logfile entries are in this format: With regex, we can quickly find all the processes that ran during a specific time frame. A example of a dynamic attribute might be a value representing a end users full name, which must be constructed from other elements such as "First name", followed by a space, followed by "Last name" or something similar. . This regex will match with any request that contains the terms "json", "exe", "tar" and "rar". Some may say programmers are lazy but I like to think of me and my coding brethren as efficient. For example, you might use a custom expression to create a username by stripping @company.com from an email address. First off, these regex operators match with single characters: We also have a number of operators that specify the number of characters we are matching: There are a lot more advanced regex features that you can use to perform more sophisticated matching. Step-up authentication with security signals from CrowdStrike I was adding Custom Attributes for the IDP, which is why it wasnt showing up in the mapping for me. Obtain the value of the device profile's security identifier (SID) attribute. null. The code looks cleaner, right? If its consistent for all users, you could also have a static claim which never changes. The Expression Language allows you to get, transform, and combine attributes before they are stored within a user Okta profile or before they are passed to an application. One of the ways you can use regex is to perform complex text searches. Obtain the Lastname value and convert it to lowercase. Finally, don't forget to check out the documentation of your particular regex dialect before you dive into constructing regex strings! They like to follow a DRY principle - "Don't Repeat Yourself". Note: You can use comma-separated values (CSV) as an input parameter for all Arrays* functions. If that employee was not in Workday, or did not have a website-one-gov.com domain in their email then find that user's manager's email and set it to have a website-three.com domain. Copyright 2023 Okta. In the above fragment of code we have a simple if/else statement written in JavaScript. All rights reserved. Okta Identity Engine is currently available to a selected audience. Our client wanted Okta to automatically change the employee's manager's email to have a domain of website-two.com or website-three.com depending on a certain logic. Gets the manager's Okta user attribute values. Use this function to retrieve the user identified with the specified primary relationship. Obtains the value of the device profile's registered attribute. The Okta users have the @a1.test domain associated to their account. Mapping: Appears if you choose Expression. Include in: Specify whether the claim is valid for any scope, or select the scopes for which its valid. This is only available with Windows devices. If you have any questions or would like Iron Cove Solutions to help you make full use of your Okta tenant, feel free to give us a call at (888) 959-2825 . A sound firewall rule will use a regex pattern like the above but with a wide range of file types, while also accounting for possible bypasses such as case changes and the inclusion of non-ASCII characters.
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Okta's expression language is based on SpEL and uses a subset of functionalities offered by SpEL. This document details the features and syntax of Okta Expression Language used for the Global session policy and authentication policies of the Identity Engine. character. For the sake of this example let's say the domains were website-one-gov.com, website-two.com and website-three.com. To update the username format on a specific application, navigate to the application in question: Sign On > Application Username Format > Edit > Custom > Enter the appropriate expression. Don't use them to retrieve an app user's group memberships. So what can we do with regex? Testing computed attributes is most easily done using the Access Gateway sample header application. As the below code then chances are high you will have a far easier time understanding complex Okta Expressions and using their full power inside your Okta tenant. For the example below, well assume that we have a user called Ryan Howard (ryan.howard@ironcovesolutions.com). Various trademarks held by their respective owners. When you create an Okta expression, you can reference any attribute that lives on an Okta User Profile or Application User Profile. Enter the General settings for your application, such application name, application logo, and application visibility. Convert the result to lowercase. user.isMemberOf({'group.id': '00gjitX9HqABSoqTB0g3'}) || user.isMemberOf({'group.id': '00garwpuyxHaWOkdV0g4'})
For example, the code below will reject any user input that contains non-alphanumeric characters and is longer than 50 characters. In case anyone else has this problem, here are the steps I followed for adding a custom field to a user profile at the IDP level: Add the Custom Attribute for the USER. Or, you might combine the firstName and lastName attributes into a single displayName attribute. You can then access properties of that User. Obtain Firstname value. To catch these empty strings, use the following expression: user.employeeNumber == "". We are trying to tie some custom metadata to IDPs in Okta. See Include app-specific information in a custom claim. Note: You can call the parseCountryCode function on the String representations of ISO 3166-1 2-character country codes (Alpha 2), 3-character country codes (Alpha 3), numeric country codes, and country names. Note: All these functions take ISO 3166-1 2-character country codes (Alpha 2), 3-character country codes (Alpha 3), and numeric country codes as input. Click Next. (opens new window) and Available EDR signals by vendor (opens new window) for details about vendor and signal. IOS, ANDROID, WINDOWS, MACOS, MOBILE_OTHER, DESKTOP_OTHER, or CHROMEOS. Obtain the Lastname value. Obtain and append the Lastname value. In addition to referencing user, app, and organization properties, you can also reference user session properties. Various trademarks held by their respective owners. Different software and regex engines will often have their own specificities, and it's best to check the official documentation pages for a full reference of the regex version that you are using. user.status == 'ACTIVE' or user.status == 'PASSWORD_EXPIRED' or user.status = 'LOCKED_OUT' or user.status = 'RECOVERY', For exact matches, use:
I'll leave that up to you to decide. Group rule conditions only allow String, Arrays, and user expressions. All rights reserved. Your custom expression must evaluate to true to include the users or false to exclude them from the campaign. Select the value in the Field field, and using the delete key, delete its contents. Indicates if the mobile device has been jailbroken or rooted. + user.profile.lastName, If the user is a contractor and is a member of the "West Coast Users" user group, output "West coast contractors", else output "Others". Click the Back to applications link. The function determines the input type and returns the output in the format specified by the function name. We have another variable canDrive and we don't assign it a value yet. Obtains the value of the device profile's unique device ID (UDID) attribute. Constants are sets of strings, while operators are symbols that denote operations over these strings. Note: Okta supports the use of the time zone IDs and aliases listed in the Time Zone Codes table. This expression doesn't include users who have Provisioned or Staged status. Now, she spends her days hunting for vulnerabilities, writing, and blogging about her adventures hacking the web. Note that 4-byte UTF-8 characters are not currently supported. Thanks for the info on default values for Okta Expression Language! You can combine and nest functions inside a single expression. Disable claim: Check this option to temporarily disable the claim for testing or debugging. Enter the expression which represents the value of the dynamic attribute value. But if John did not have a website-one-gov.com domain his manager's email would be updated to jane.doe@website-three.com, But if John did not have website-one-gov.com domain in his email, Jane's email would be updated to jane.doe@website-three.com, And finally, if John had a website-one-gov.com domain in his email but did not have a Workday account, Jane, his manager would have her email updated to jane.doe@website-three.com. To keep this default, select Userinfo/id_token request for Include in token type. Combine a couple of different metrics (IP ranges, timestamp, hostnames, and usernames) and you'll have an extremely powerful log analysis utility that you can fully customize! Security Context is made up of the risk level (opens new window) and the matching User behaviors (opens new window) for the request. Okta User Profile Every user has an Okta user profile. Check if the user has an Active Directory assignment, and if so, return their Active Directory manager UPN. The profile editor will open previously created identity providers profile page. When you create an Okta expression, you can reference EDR attributes and any property that exists in an Okta Device Profile. For a list of core User Profile attributes, see Default Profile properties. The highlighted portions are constants, meaning that the regex will match the highlighted strings literally. Gets the assistant's Okta user attribute values. This document details the features and syntax of Okta Expression Language used for the Global session policy and authentication policiesof the Identity Engine. For an example of using group functions, and for more information on using group functions for dynamic and static allowlists, see Customize tokens returned from Okta. See the ISO 3166-1 online lookup tool (opens new window). Hopefully you now understand Okta Expressions a lot better and did this article make it possible for a 5 year old to understand it? To learn more about how YARA detects malware, read my Intro to Malware Detection Using YARA. Its helpful to think of reviewer logic into IF/THEN terms for each user when building your expressions. Okta Identity Engine is currently available to a selected audience. Obtains the value of the device profile's operating system. While creating or modifying an access certification campaign, you can use Okta Expression Language expressions to take the following actions: Restrict your campaign to a subset of users Use this function to retrieve the User that is identified with the specified primary relationship. Include all users except members of certain groups. Whew! See Application properties. Okta Expression Language for net new employees . Users who are in at least one of the three groups - Interns, Contractors, or Partners. User attributes used in expressions can contain only available User or AppUser attributes. For example. Use it to add a group filter. If you're not using Universal Directory, contact your support or professional services team. To reference an Okta User Profile attribute, specify user. [Value if TRUE] : [Value if FALSE], If the middle initial isn't empty, include it as part of the full name using just the first character and appending a period. An incognito browser window it used to avoid page caching which can in some instances cause unexpected or stale results. Restrict a campaign to members of a certain group. See the following 'Popular expressions' table for some examples. The following Deprecated Some attributes; such as, device.profile.imei, device.profile.meid, device.profile.serialNumber, device.profile.udid, are not available for all devices. Group functions return either an array of groups or True or False. Today, let's go through some of the most useful regex tips for security people and how you can use them to automate your most complex tasks! Clicking the Preview button at the bottom of the screen will enable you to see if the attribute was being "pulled" from AD and "pushed" to Office 365 correctly. So far the only way I can think to do this is to have my own database to store IDP-specific custom data. Note: When EL group functions (such as isMemberOfGroup or isMemberOfGroupName) are used for app assignments, app user profile attributes arent updated or reapplied when the users group membership changes. This regex will match with all log entries that have the timestamp between 12 and 2 PM on March 2nd. Obtain the email value again. Custom expressions allow you to refine your conditions, by referencing one or more attributes. Youll need to reference the Variable Name to get the output to show. For example, let's say that your logfile entries are in this format: With regex, we can quickly find all the processes that ran during a specific time frame. A example of a dynamic attribute might be a value representing a end users full name, which must be constructed from other elements such as "First name", followed by a space, followed by "Last name" or something similar. . This regex will match with any request that contains the terms "json", "exe", "tar" and "rar". Some may say programmers are lazy but I like to think of me and my coding brethren as efficient. For example, you might use a custom expression to create a username by stripping @company.com from an email address. First off, these regex operators match with single characters: We also have a number of operators that specify the number of characters we are matching: There are a lot more advanced regex features that you can use to perform more sophisticated matching. Step-up authentication with security signals from CrowdStrike I was adding Custom Attributes for the IDP, which is why it wasnt showing up in the mapping for me. Obtain the value of the device profile's security identifier (SID) attribute. null. The code looks cleaner, right? If its consistent for all users, you could also have a static claim which never changes. The Expression Language allows you to get, transform, and combine attributes before they are stored within a user Okta profile or before they are passed to an application. One of the ways you can use regex is to perform complex text searches. Obtain the Lastname value and convert it to lowercase. Finally, don't forget to check out the documentation of your particular regex dialect before you dive into constructing regex strings! They like to follow a DRY principle - "Don't Repeat Yourself". Note: You can use comma-separated values (CSV) as an input parameter for all Arrays* functions. If that employee was not in Workday, or did not have a website-one-gov.com domain in their email then find that user's manager's email and set it to have a website-three.com domain. Copyright 2023 Okta. In the above fragment of code we have a simple if/else statement written in JavaScript. All rights reserved. Okta Identity Engine is currently available to a selected audience. Our client wanted Okta to automatically change the employee's manager's email to have a domain of website-two.com or website-three.com depending on a certain logic. Gets the manager's Okta user attribute values. Use this function to retrieve the user identified with the specified primary relationship. Obtains the value of the device profile's registered attribute. The Okta users have the @a1.test domain associated to their account. Mapping: Appears if you choose Expression. Include in: Specify whether the claim is valid for any scope, or select the scopes for which its valid. This is only available with Windows devices. If you have any questions or would like Iron Cove Solutions to help you make full use of your Okta tenant, feel free to give us a call at (888) 959-2825 . A sound firewall rule will use a regex pattern like the above but with a wide range of file types, while also accounting for possible bypasses such as case changes and the inclusion of non-ASCII characters. Funny Drink Names For 30th Birthday,
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