We are service provider and support SAML based single signon. We want our customers to register us as Service provider in their OpenAm.
When they register us as remote SP, they need to provide us the Signing certificate. How can they easily get certificate so that they can provide us?
In OpenAm when we choose to register Google Apps / SalesForce, at one steps it gives option to download certificate which will be uploaded in Google Apps / SalesForce. But While Registering remote SP, it does not give any certificate.
So is there a way to get certificate easily while registering remote SP similar to Google Apps / SalesForce?
The standard way of doing this is that your customer provides you with SAML meta data. This is a standard format for sharing information about your SAML setup. This also contains the public key for the private key they use to sign.
SAML metadata can be exported from OpenAM. This can be done by the use of export metadata page.
Have your customer go to the following URL
https://<IdP_HOST>/openam/saml2/jsp/exportmetadata.jsp?entityid=IDP_ENTITY_ID
From there the metadata can be exported to XML.
Related
So, when management tells us our website needs to "support SSO through SAML 2.0", with no additional details, what are they thinking?
What will our customers expect?
Note - The is not an open website, where everyone can join. To log in you need to be a configured user in the system. The customer's admins need to create an account in our system for each user.
So we aren't going to let just anyone who has an account with an IdP in to our website. We'll have to have some mechanism for mapping a SAML identity to our users.
How would our customers expect that to work?
Based on hints in your question, I am going to presume that you will be acting as a service provider.
To be what I would call a "good" service provider, I would expect the following:
You sign your AuthnRequests.
You provide a metadata endpoint that is kept up to date with your SP metadata to include current public keys for encrypting attributes (if necessary) to be sent to you as well as validating your AuthnRequest signatures.
You support dynamic consumption of my identity provider's metadata endpoint to keep your side of the connection up to date, especially with concern to my signing certificate.
You expose management of my identity provider configuration inside of your service provider mechanism to my IdP administrators through a web or API interface.
You either support a mechanism to automatically manage my users (like via SCIM or Graph or something else), or you support Just-In-Time provisioning based on an incoming assertion.
You allow me to decide my SAML Name ID format, and that format is per-tenant. As an example, I may want to use email address as the identifier, while another IdP may want to use sAMAccountName. e.g., john.doe#domain.com vs. johndoe.
You support Service-Provider-Initiated SSO. That means that the user shows up to partner1.yourdomain.com and get redirected for authentication to that partner's IdP, and that going to the location partner2.yourdomain.com would redirect to a different IdP.
As a service provider, you should make using your service easy and secure. By shifting to SAML, it allows you to get out of the business of password and user management because you get to put that back on the identity provider. It allows your users to not have to type in a password (or more, if you're doing MFA) to use your service, removing friction caused by security. It allows you to put the onus of authenticating the user back on the organization that owns the identity.
Your customers would expect that if they have an application that uses the SAML 2.0 client-side stack then when the application sends an AuthnRequest, they will see a login page on your site and once authenticated, the application will receive a set of assertions (claims) from your IDP via an AuthnResponse.
One of these assertions is NameID. This is the "primary key" between their system and yours. Normally this is UPN or email.
This mapping is outside of the SAML spec. There needs to be some kind of "on-boarding" for the customers.
I'm a Service Provider (SP) who wants to support multiple Identity Providers (IdP) via Web SSO profile.
I'm struggling to understand how should I negotiate SAML features (e.g. signing/not signing AuthnRequests) with Identity Provider admins.
Here's my current understanding:
I create a single sp-metadata.xml which I expose to all IdPs who want to integrate with me.
To integrate with me, IdP admins upload their idp-metadata.xml via my web interface. I validate it against my sp-metadata.xml. If their metadata features don't match with my metadata features, I show them a detailed error on upload so they can change their setup.
Questions:
Is this a valid and common approach?
How do I write SP metadata to support all or most IdPs out-of-the-box? For example, should I put "AuthnRequestsSigned = false" or "AuthnRequestsSigned = true"? It seems that Web SSO Profile does not give strict guidance on this.
About 2: You can not really validate the IdP meta data against your SP meta data. Most IdP's do not tell if they accept a digitally signed SAML AuthnRequest. They also typically do not tell which signature algorithm or keysizes they support.
Some IdP implementation do not even create SAML meta data schema compliant meta data files.
If you care about security, then you should digitally sign the SAML AuthnRequest and either ask the IdP to ignore the signature in case your SP sends it.
Also note that there some update to the spec for some time ... see the new processing rules.
Alternative: During upload ask (checkbox/radio button) if they can handle a digitally signed SAML AuthnRequest and which signature algorithm has to be used.
I.e. Microsoft ADFS and Azure AD bail out with an non-descriptive SAML error response if they can not handle the SAML AuthnRequest.
I've been provided a metadata.xml file from a client who is using ADFS, and had some questions getting this configured as an external SAML-based IdP. This is going to be integrated with a web application (LAMP stack, if that's relevant).
1) Can I extract the IdP Issuer URI from this xml file? I see entityID in the file, which is something like "http://sts.blablaba.com". Is this the same thing, or is this something I need to get separately from the client? Is this the same as "Relying party trust id"?
2) I see an <X509Certificate> element that looks like a public key. Is this the signing cert i need to verify the saml messages/asserts? Can I just copy/pasta this into a .crt or .pem file? "DigestMethod", "DigestValue" and "SignatureValue" are also present.
3) With an oauth2 flow, for instance, since it starts at the site, i can store redirects in a session, and send users to different pages depending on what they were initially trying to access. It seems like this would be possible with an SP initiated flow, but the client says this is going to be IdP initiated. Is this type of post-login dynamic page redirection still possible, considering that the Relay State looks like a static value?
I'm trying to set up a single-sign-on solution to a 3rd party site. They currently don't have anything set up on their end yet, but they want to use SAML. They instructed us to "provide them a sample of a standard SAML2.0 message", and sent over a certificate. Kind of asking me to show them a key and they'll build a lock to put it in.
I need some direction on what to actually set up for this. The vendor has cryptically stated that they are using these parts of the SAML message: ds:Signature, saml:Conditions, samlNameId. I've put together a C# console app that can produce a Saml2SecurityToken using their certificate and a given Name Identifier, and set a timeframe for the condition. I think this is what they need from me.
We do have ADFS however. I've used it to authenticate users accessing internal sites, so I have a little experience with it. I'm overwhelmed by the information for ADFS though, and can't grasp what to set up for this kind of situation - I don't know how to translate the vendor & I's relationship into ADFS terminology.
Can someone explain who I am and who they are in ADFS terms? I think all the pieces for setting this relationship are right there, but I'm just getting swamped by the volumes of information on every page about ADFS.
On your ADFS site, navigate to:
https://your server/federationmetadata/2007-06/federationmetadata.xml.
Save this file, send to the vendor. This is the metadata. It describes the SAML profiles, the certificates, the public keys etc. You don't need to send them any actual certificates.
Ask the vendor for their metadata. Import this into ADFS as a Claims Provider Trust.
Configure your application via WIF to use ADFS.
When the user navigates to the application, the user will be redirected to ADFS. They will get the Home Realm Discovery screen and select either the 3rd party vendor or ADFS to authenticate and then they will get access to the application.
If ADFS is the source of authentication ADFS is the IP, the vendor is the service provider (RP). And obviously vice versa.
I am working on a project that needs to be integrating SAML2.0. I was thrown into this project suddenly, i need to make it work.
Here is the background: We have created the files and wanted Client Company to integrate using SAML2 to get to our web site. We have sent them the meta datafile.
Now the client company had sent their metadata file. I dont know how and what to do with that file. Any help will be appreciated.
ASP.NET, Framework 4.0
The metadata file basically provides you information of your client. Such as entityID, credential, and so on. If it is an IdP then it also contain couple URLs so that you know where to send different request, e.g. login request, attribute query request. You need to give this metadata to your SAML component so that it know which client it should talk to.
Another main purpose is to establish a trust relationship between SP and IdP.
It's kind of old question but I would like to add some additional information and resources for .NET.
SAML Metadata is used to exchange configuration information between Service Provider and Identity Provider and vice versa. The information can include:
Binging location
Organization name
Contact Person
Single Sign On Url
Single Logout Url
The Metadata can be signed and encrypted so that the information is sent securely. The other side may need the corresponding public key to validate and decrypt it and then can be used to understand and establish the connection with the SP or IdP.
You can see some more info at the following blog posts:
http://samlcomponent.net/constructing-saml-metadata-xml-for-single-sign-on-idp/
http://samlcomponent.net/how-to-create-saml-metadata-xml-for-service-provider/
Security Assertion Markup Language (SAML) is a standard for logging users into applications based on their sessions in another context. This single sign-on (SSO) login standard has significant advantages over logging in using a username/password:
1.No need to type in credentials
2.No need to remember and renew passwords
3.No weak passwords
It is easy to manage all applications in one tree using SAML SSO login.
How actually SAML works:
The user accesses the remote application using a link on an intranet, a bookmark, or similar and the application loads.
The application identifies the user’s origin (by application subdomain, user IP address, or similar) and redirects the user back to the identity provider, asking for authentication. This is the authentication request.
The user either has an existing active browser session with the identity provider or establishes one by logging into the identity provider.
The identity provider builds the authentication response in the form of an XML-document containing the user’s username or email address, signs it using an X.509 certificate, and posts this information to the service provider.
The service provider, which already knows the identity provider and has a certificate fingerprint, retrieves the authentication response and validates it using the certificate fingerprint.
The identity of the user is established and the user is provided with app access.
Take a look at the metadata SAML 2.0 specification to check what elements must be read by your implementation.
If you are looking for a SAML2 .Net Tookit, take a look to this thread of stackoverflow
Also take a look on SAML open source implementations to learn how others resolved this problem before:
SimpleSAMLphp (PHP implementation Idp/SP). (Metadata parser)
Shibboleth IdP (Java) (opensaml2) / SP (C)
spring-security-saml: SP (Java) (metadata files)
Jboss (Java)
Metadata is nothing but the xml file containing all the information required by your SAML implementation to talk with host. you can extract information from this meta to get the desired information required. Like public/private keys.
I hope you are also using certificate to talk with host on secure manner.
This key is required for handshaking with unknown host system.