AccessToken_utils.ps1
# This script contains functions for handling access tokens # and some utility functions # VARIABLES # Unix epoch time (1.1.1970) $epoch = Get-Date -Day 1 -Month 1 -Year 1970 -Hour 0 -Minute 0 -Second 0 -Millisecond 0 # Well known client ids $client_ids=@{ "graph_api"= "1b730954-1685-4b74-9bfd-dac224a7b894" # MS Graph API "aadrm"= "90f610bf-206d-4950-b61d-37fa6fd1b224" "exo"= "a0c73c16-a7e3-4564-9a95-2bdf47383716" # EXO Remote PowerShell "skype"= "d924a533-3729-4708-b3e8-1d2445af35e3" "www"= "00000006-0000-0ff1-ce00-000000000000" "o365spo"= "00000003-0000-0ff1-ce00-000000000000" # SharePoint Online "o365exo"= "00000002-0000-0ff1-ce00-000000000000" # Exchange Online "dynamicscrm"= "00000007-0000-0000-c000-000000000000" # Dynamics CRM "o365suiteux"= "4345a7b9-9a63-4910-a426-35363201d503" # O365 Suite UX "aadsync"= "cb1056e2-e479-49de-ae31-7812af012ed8" # Azure AD Sync "synccli"= "1651564e-7ce4-4d99-88be-0a65050d8dc3" "azureadmin" = "c44b4083-3bb0-49c1-b47d-974e53cbdf3c" # Azure Admin web ui "pta" = "cb1056e2-e479-49de-ae31-7812af012ed8" # Pass-through authentication "patnerdashboard" = "4990cffe-04e8-4e8b-808a-1175604b879" # Partner dashboard (missing on letter?) "webshellsuite" = "89bee1f7-5e6e-4d8a-9f3d-ecd601259da7" "teams" = "1fec8e78-bce4-4aaf-ab1b-5451cc387264" # Teams "office" = "d3590ed6-52b3-4102-aeff-aad2292ab01c" # Office, ref. https://docs.microsoft.com/en-us/office/dev/add-ins/develop/register-sso-add-in-aad-v2 "office_online2" = "57fb890c-0dab-4253-a5e0-7188c88b2bb4" # Office Online "office_online" = "bc59ab01-8403-45c6-8796-ac3ef710b3e3" # Office Online "powerbi_contentpack" = "2a0c3efa-ba54-4e55-bdc0-770f9e39e9ee" "aad_account" = "0000000c-0000-0000-c000-000000000000" # https://account.activedirectory.windowsazure.com } # AccessToken resource strings $resources=@{ "aad_graph_api"= "https://graph.windows.net" "ms_graph_api"= "https://graph.microsoft.com" "azure_mgmt_api" = "https://management.azure.com" "windows_net_mgmt_api" = "https://management.core.windows.net" "cloudwebappproxy" = "https://proxy.cloudwebappproxy.net/registerapp" "officeapps" = "https://officeapps.live.com" "outlook" = "https://outlook.office365.com" "webshellsuite" = "https://webshell.suite.office.com" } # Stored tokens (access & refresh) $tokens=@{} $aad_graph_tokens=$null $ms_graph_tokens=$null ## UTILITY FUNCTIONS FOR API COMMUNICATIONS # Return user's login information function Get-LoginInformation { <# .SYNOPSIS Returns authentication information of the given user or domain .DESCRIPTION Returns authentication of the given user or domain .Example Get-AADIntLoginInformation -Domain outlook.com Tenant Banner Logo : Authentication Url : https://login.live.com/login.srf?username=nn%40outlook.com&wa=wsignin1.0&wtrealm=urn%3afederation%3aMicrosoftOnline&wctx= Pref Credential : 6 Federation Protocol : WSTrust Throttle Status : 0 Cloud Instance : microsoftonline.com Federation Brand Name : MSA Realms Domain Name : live.com Federation Metadata Url : https://nexus.passport.com/FederationMetadata/2007-06/FederationMetadata.xml Tenant Banner Illustration : Consumer Domain : True State : 3 Federation Active Authentication Url : https://login.live.com/rst2.srf User State : 2 Account Type : Federated Tenant Locale : Domain Type : 2 Exists : 5 Has Password : True Cloud Instance audience urn : urn:federation:MicrosoftOnline Federation Global Version : -1 .Example Get-AADIntLoginInformation -UserName someone@company.com Tenant Banner Logo : https://secure.aadcdn.microsoftonline-p.com/c1c6b6c8-okmfqodscgr7krbq5-p48zooi4b7m9g2zcpryoikta/logintenantbranding/0/bannerlogo?ts=635912486993671038 Authentication Url : Pref Credential : 1 Federation Protocol : Throttle Status : 1 Cloud Instance : microsoftonline.com Federation Brand Name : Company Ltd Domain Name : company.com Federation Metadata Url : Tenant Banner Illustration : Consumer Domain : State : 4 Federation Active Authentication Url : User State : 1 Account Type : Managed Tenant Locale : 0 Domain Type : 3 Exists : 0 Has Password : True Cloud Instance audience urn : urn:federation:MicrosoftOnline Desktop Sso Enabled : True Federation Global Version : #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Domain',Mandatory=$True)] [String]$Domain, [Parameter(ParameterSetName='User',Mandatory=$True)] [String]$UserName ) Process { if([string]::IsNullOrEmpty($UserName)) { $isDomain = $true $UserName = "nn@$Domain" } # Gather login information using different APIs $realm1=Get-UserRealm -UserName $UserName # common/userrealm API 1.0 $realm2=Get-UserRealmExtended -UserName $UserName # common/userrealm API 2.0 $realm3=Get-UserRealmV2 -UserName $UserName # GetUserRealm.srf (used in the old Office 365 login experience) $realm4=Get-CredentialType -UserName $UserName # common/GetCredentialType (used in the "new" Office 365 login experience) # Create a return object $attributes = @{ "Account Type" = $realm1.account_type # Managed or federated "Domain Name" = $realm1.domain_name "Cloud Instance" = $realm1.cloud_instance_name "Cloud Instance audience urn" = $realm1.cloud_audience_urn "Federation Brand Name" = $realm2.FederationBrandName "Tenant Locale" = $realm2.TenantBrandingInfo.Locale "Tenant Banner Logo" = $realm2.TenantBrandingInfo.BannerLogo "Tenant Banner Illustration" = $realm2.TenantBrandingInfo.Illustration "State" = $realm3.State "User State" = $realm3.UserState "Exists" = $realm4.IfExistsResult "Throttle Status" = $realm4.ThrottleStatus "Pref Credential" = $realm4.Credentials.PrefCredential "Has Password" = $realm4.Credentials.HasPassword "Domain Type" = $realm4.EstsProperties.DomainType "Federation Protocol" = $realm1.federation_protocol "Federation Metadata Url" = $realm1.federation_metadata_url "Federation Active Authentication Url" = $realm1.federation_active_auth_url "Authentication Url" = $realm2.AuthUrl "Consumer Domain" = $realm2.ConsumerDomain "Federation Global Version" = $realm3.FederationGlobalVersion "Desktop Sso Enabled" = $realm4.EstsProperties.DesktopSsoEnabled } # Return return New-Object psobject -Property $attributes } } # Return user's authentication realm from common/userrealm using API 1.0 function Get-UserRealm { <# .SYNOPSIS Returns authentication realm of the given user .DESCRIPTION Returns authentication realm of the given user using common/userrealm API 1.0 .Example Get-AADIntUserRealm -UserName "user@company.com" ver : 1.0 account_type : Managed domain_name : company.com cloud_instance_name : microsoftonline.com cloud_audience_urn : urn:federation:MicrosoftOnline .Example Get-AADIntUserRealm -UserName "user@company.com" ver : 1.0 account_type : Federated domain_name : company.com federation_protocol : WSTrust federation_metadata_url : https://sts.company.com/adfs/services/trust/mex federation_active_auth_url : https://sts.company.com/adfs/services/trust/2005/usernamemixed cloud_instance_name : microsoftonline.com cloud_audience_urn : urn:federation:MicrosoftOnline #> [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$UserName ) Process { # Call the API $userRealm=Invoke-RestMethod -Uri ("https://login.microsoftonline.com/common/userrealm/$UserName"+"?api-version=1.0") # Verbose Write-Verbose "USER REALM $($userRealm | Out-String)" # Return $userRealm } } # Return user's authentication realm from common/userrealm using API 2.0 function Get-UserRealmExtended { <# .SYNOPSIS Returns authentication realm of the given user .DESCRIPTION Returns authentication realm of the given user using common/userrealm API 2.0 .Example Get-AADIntUserRealmExtended -UserName "user@company.com" NameSpaceType : Managed Login : user@company.com DomainName : company.com FederationBrandName : Company Ltd TenantBrandingInfo : {@{Locale=0; BannerLogo=https://secure.aadcdn.microsoftonline-p.com/xxx/logintenantbranding/0/bannerlogo? ts=111; TileLogo=https://secure.aadcdn.microsoftonline-p.com/xxx/logintenantbranding/0/til elogo?ts=112; BackgroundColor=#FFFFFF; BoilerPlateText=From here you can sign-in to Company Ltd services; UserIdLabel=firstname.lastname@company.com; KeepMeSignedInDisabled=False}} cloud_instance_name : microsoftonline.com .Example Get-AADIntUserRealmExtended -UserName "user@company.com" NameSpaceType : Federated federation_protocol : WSTrust Login : user@company.com AuthURL : https://sts.company.com/adfs/ls/?username=user%40company.com&wa=wsignin1. 0&wtrealm=urn%3afederation%3aMicrosoftOnline&wctx= DomainName : company.com FederationBrandName : Company Ltd TenantBrandingInfo : cloud_instance_name : microsoftonline.com #> [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$UserName ) Process { # Call the API $userRealm=Invoke-RestMethod -Uri ("https://login.microsoftonline.com/common/userrealm/$UserName"+"?api-version=2.0") # Verbose Write-Verbose "USER REALM $($userRealm | Out-String)" # Return $userRealm } } # Return user's authentication realm from GetUserRealm.srf (used in the old Office 365 login experience) function Get-UserRealmV2 { <# .SYNOPSIS Returns authentication realm of the given user .DESCRIPTION Returns authentication realm of the given user using GetUserRealm.srf (used in the old Office 365 login experience) .Example Get-AADIntUserRealmV3 -UserName "user@company.com" State : 4 UserState : 1 Login : user@company.com NameSpaceType : Managed DomainName : company.com FederationBrandName : Company Ltd CloudInstanceName : microsoftonline.com .Example Get-AADIntUserRealmV2 -UserName "user@company.com" State : 3 UserState : 2 Login : user@company.com NameSpaceType : Federated DomainName : company.com FederationGlobalVersion : -1 AuthURL : https://sts.company.com/adfs/ls/?username=user%40company.com&wa=wsignin1. 0&wtrealm=urn%3afederation%3aMicrosoftOnline&wctx= FederationBrandName : Company Ltd CloudInstanceName : microsoftonline.com #> [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$UserName ) Process { # Call the API $userRealm=Invoke-RestMethod -Uri ("https://login.microsoftonline.com/GetUserRealm.srf?login=$UserName") # Verbose Write-Verbose "USER REALM: $($userRealm | Out-String)" # Return $userRealm } } # Return user's authentication type information from common/GetCredentialType function Get-CredentialType { <# .SYNOPSIS Returns authentication information of the given user .DESCRIPTION Returns authentication of the given user using common/GetCredentialType (used in the "new" Office 365 login experience) .Example Get-AADIntUserRealmExtended -UserName "user@company.com" Username : user@company.com Display : user@company.com IfExistsResult : 0 ThrottleStatus : 1 Credentials : @{PrefCredential=1; HasPassword=True; RemoteNgcParams=; FidoParams=; SasParams=} EstsProperties : @{UserTenantBranding=System.Object[]; DomainType=3} FlowToken : apiCanary : AQABAAA..A NameSpaceType : Managed Login : user@company.com DomainName : company.com FederationBrandName : Company Ltd TenantBrandingInfo : {@{Locale=0; BannerLogo=https://secure.aadcdn.microsoftonline-p.com/xxx/logintenantbranding/0/bannerlogo? ts=111; TileLogo=https://secure.aadcdn.microsoftonline-p.com/xxx/logintenantbranding/0/til elogo?ts=112; BackgroundColor=#FFFFFF; BoilerPlateText=From here you can sign-in to Company Ltd services; UserIdLabel=firstname.lastname@company.com; KeepMeSignedInDisabled=False}} cloud_instance_name : microsoftonline.com .Example Get-AADIntUserRealmExtended -UserName "user@company.com" Username : user@company.com Display : user@company.com IfExistsResult : 0 ThrottleStatus : 1 Credentials : @{PrefCredential=4; HasPassword=True; RemoteNgcParams=; FidoParams=; SasParams=; FederationRed irectUrl=https://sts.company.com/adfs/ls/?username=user%40company.com&wa=wsignin1.0&wtreal m=urn%3afederation%3aMicrosoftOnline&wctx=} EstsProperties : @{UserTenantBranding=; DomainType=4} FlowToken : apiCanary : AQABAAA..A #> [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$UserName, [Parameter(Mandatory=$False)] [String]$FlowToken ) Process { # Create a body for REST API request $body = @{ "username"=$UserName "isOtherIdpSupported"="true" "checkPhones"="true" "isRemoteNGCSupported"="false" "isCookieBannerShown"="false" "isFidoSupported"="false" "originalRequest"="" "flowToken"=$FlowToken } # Call the API $userRealm=Invoke-RestMethod -Uri ("https://login.microsoftonline.com/common/GetCredentialType") -ContentType "application/json; charset=UTF-8" -Method POST -Body ($body|ConvertTo-Json) # Verbose Write-Verbose "CREDENTIAL TYPE: $($userRealm | Out-String)" # Return $userRealm } } # Return OpenID configuration for the domain # Mar 21 2019 function Get-OpenIDConfiguration { <# .SYNOPSIS Returns OpenID configuration of the given domain or user .DESCRIPTION Returns OpenID configuration of the given domain or user .Example Get-AADIntOpenIDConfiguration -UserName "user@company.com" .Example Get-AADIntOpenIDConfiguration -Domain company.com authorization_endpoint : https://login.microsoftonline.com/5b62a25d-60c6-40e6-aace-8a43e8b8ba4a/oauth2/authorize token_endpoint : https://login.microsoftonline.com/5b62a25d-60c6-40e6-aace-8a43e8b8ba4a/oauth2/token token_endpoint_auth_methods_supported : {client_secret_post, private_key_jwt, client_secret_basic} jwks_uri : https://login.microsoftonline.com/common/discovery/keys response_modes_supported : {query, fragment, form_post} subject_types_supported : {pairwise} id_token_signing_alg_values_supported : {RS256} http_logout_supported : True frontchannel_logout_supported : True end_session_endpoint : https://login.microsoftonline.com/5b62a25d-60c6-40e6-aace-8a43e8b8ba4a/oauth2/logout response_types_supported : {code, id_token, code id_token, token id_token...} scopes_supported : {openid} issuer : https://sts.windows.net/5b62a25d-60c6-40e6-aace-8a43e8b8ba4a/ claims_supported : {sub, iss, cloud_instance_name, cloud_instance_host_name...} microsoft_multi_refresh_token : True check_session_iframe : https://login.microsoftonline.com/5b62a25d-60c6-40e6-aace-8a43e8b8ba4a/oauth2/checkses sion userinfo_endpoint : https://login.microsoftonline.com/5b62a25d-60c6-40e6-aace-8a43e8b8ba4a/openid/userinfo tenant_region_scope : EU cloud_instance_name : microsoftonline.com cloud_graph_host_name : graph.windows.net msgraph_host : graph.microsoft.com rbac_url : https://pas.windows.net #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Domain',Mandatory=$True)] [String]$Domain, [Parameter(ParameterSetName='User',Mandatory=$True)] [String]$UserName ) Process { if([String]::IsNullOrEmpty($Domain)) { $Domain = $UserName.Split("@")[1] } # Call the API $openIdConfig=Invoke-RestMethod "https://login.microsoftonline.com/$domain/.well-known/openid-configuration" # Return $openIdConfig } } # Get the tenant ID for the given user/domain/accesstoken function Get-TenantID { <# .SYNOPSIS Returns TenantID of the given domain, user, or AccessToken .DESCRIPTION Returns TenantID of the given domain, user, or AccessToken .Example Get-AADIntTenantID -UserName "user@company.com" .Example Get-AADIntTenantID -Domain company.com .Example Get-AADIntTenantID -AccessToken $at #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Domain',Mandatory=$True)] [String]$Domain, [Parameter(ParameterSetName='User',Mandatory=$True)] [String]$UserName, [Parameter(ParameterSetName='AccessToken', Mandatory=$True)] [String]$AccessToken ) Process { if([String]::IsNullOrEmpty($AccessToken)) { if([String]::IsNullOrEmpty($Domain)) { $Domain = $UserName.Split("@")[1] } Try { $OpenIdConfig = Get-OpenIDConfiguration -Domain $domain } catch { return $null } $TenantId = $OpenIdConfig.authorization_endpoint.Split("/")[3] } else { $TenantId=(Read-Accesstoken($AccessToken)).tid } # Return $TenantId } } # Check if the access token has expired function Is-AccessTokenExpired { [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$AccessToken ) Process { # Read the token $token = Read-Accesstoken($AccessToken) $now=(Get-Date).ToUniversalTime() # Get the expiration time $exp=$epoch.Date.AddSeconds($token.exp) # Compare and return $retVal = $now -ge $exp return $retVal } } # Gets OAuth information using SAML token function Get-OAuthInfoUsingSAML { [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$SAMLToken, [ValidateSet('aad_graph_api','ms_graph_api')] [String]$Resource="aad_graph_api", [ValidateSet('graph_api','aadsync','azureadmin','pta','teams','office','exo')] [String]$ClientId="graph_api" ) Process { $encodedSamlToken= [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($SAMLToken)) # Verbose Write-Verbose "SAML TOKEN: $samlToken" Write-Verbose "ENCODED SAML TOKEN: $encodedSamlToken" # Create a body for API request $body = @{ "resource"=$resources[$Resource] "client_id"=$client_ids[$ClientId] "grant_type"="urn:ietf:params:oauth:grant-type:saml1_1-bearer" "assertion"=$encodedSamlToken "scope"="openid" } # Verbose Write-Verbose "FED AUTHENTICATION BODY: $($body | Out-String)" # Set the content type and call the Microsoft Online authentication API $contentType="application/x-www-form-urlencoded" try { $jsonResponse=Invoke-RestMethod -Uri "https://login.microsoftonline.com/common/oauth2/token" -ContentType $contentType -Method POST -Body $body } catch { Throw ($_.ErrorDetails.Message | convertfrom-json).error_description } return $jsonResponse } } # Return OAuth information for the given user function Get-OAuthInfo { [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [System.Management.Automation.PSCredential]$Credentials, [ValidateSet('aad_graph_api','ms_graph_api')] [String]$Resource="aad_graph_api", [ValidateSet('graph_api','aadsync','azureadmin','pta','teams','office','exo')] [String]$ClientId="graph_api" ) Process { # Get the user realm $userRealm = Get-UserRealm($Credentials.UserName) # Check the authentication type if($userRealm.account_type -eq "Managed") { # If authentication type is managed, we authenticate directly against Microsoft Online # with user name and password to get access token # Create a body for REST API request $body = @{ "resource"=$resources[$Resource] "client_id"=$client_ids[$ClientId] "grant_type"="password" "username"=$Credentials.UserName "password"=$Credentials.GetNetworkCredential().Password "scope"="openid" } # Verbose Write-Verbose "AUTHENTICATION BODY: $($body | Out-String)" # Set the content type and call the Microsoft Online authentication API $contentType="application/x-www-form-urlencoded" try { $jsonResponse=Invoke-RestMethod -Uri "https://login.microsoftonline.com/common/oauth2/token" -ContentType $contentType -Method POST -Body $body } catch { Throw ($_.ErrorDetails.Message | convertfrom-json).error_description } } else { # If authentication type is Federated, we must first authenticate against the identity provider # to fetch SAML token and then get access token from Microsoft Online # Get the federation metadata url from user realm $federation_metadata_url=$userRealm.federation_metadata_url # Call the API to get metadata [xml]$response=Invoke-RestMethod -Uri $federation_metadata_url # Get the url of identity provider endpoint. # Note! Tested only with AD FS - others may or may not work $federation_url=($response.definitions.service.port | where name -eq "UserNameWSTrustBinding_IWSTrustFeb2005Async").address.location # login.live.com # TODO: Fix #$federation_url=$response.EntityDescriptor.RoleDescriptor[1].PassiveRequestorEndpoint.EndpointReference.Address # Set credentials and other needed variables $username=$Credentials.UserName $password=$Credentials.GetNetworkCredential().Password $created=(Get-Date).ToUniversalTime().toString("yyyy-MM-ddTHH:mm:ssZ").Replace(".",":") $expires=(Get-Date).AddMinutes(10).ToUniversalTime().toString("yyyy-MM-ddTHH:mm:ssZ").Replace(".",":") $message_id=(New-Guid).ToString() $user_id=(New-Guid).ToString() # Set headers $headers = @{ "SOAPAction"="http://schemas.xmlsoap.org/ws/2005/02/trust/RST/Issue" "Host"=$federation_url.Split("/")[2] "client-request-id"=(New-Guid).toString() } # Verbose Write-Verbose "FED AUTHENTICATION HEADERS: $($headers | Out-String)" # Create the SOAP envelope $envelope=@" <s:Envelope xmlns:s='http://www.w3.org/2003/05/soap-envelope' xmlns:a='http://www.w3.org/2005/08/addressing' xmlns:u='http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd'> <s:Header> <a:Action s:mustUnderstand='1'>http://schemas.xmlsoap.org/ws/2005/02/trust/RST/Issue</a:Action> <a:MessageID>urn:uuid:$message_id</a:MessageID> <a:ReplyTo> <a:Address>http://www.w3.org/2005/08/addressing/anonymous</a:Address> </a:ReplyTo> <a:To s:mustUnderstand='1'>$federation_url</a:To> <o:Security s:mustUnderstand='1' xmlns:o='http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd'> <u:Timestamp u:Id='_0'> <u:Created>$created</u:Created> <u:Expires>$expires</u:Expires> </u:Timestamp> <o:UsernameToken u:Id='uuid-$user_id'> <o:Username>$username</o:Username> <o:Password>$password</o:Password> </o:UsernameToken> </o:Security> </s:Header> <s:Body> <trust:RequestSecurityToken xmlns:trust='http://schemas.xmlsoap.org/ws/2005/02/trust'> <wsp:AppliesTo xmlns:wsp='http://schemas.xmlsoap.org/ws/2004/09/policy'> <a:EndpointReference> <a:Address>urn:federation:MicrosoftOnline</a:Address> </a:EndpointReference> </wsp:AppliesTo> <trust:KeyType>http://schemas.xmlsoap.org/ws/2005/05/identity/NoProofKey</trust:KeyType> <trust:RequestType>http://schemas.xmlsoap.org/ws/2005/02/trust/Issue</trust:RequestType> </trust:RequestSecurityToken> </s:Body> </s:Envelope> "@ # Verbose Write-Verbose "FED AUTHENTICATION: $envelope" # Set the content type and call the authentication service $contentType="application/soap+xml" [xml]$xmlResponse=Invoke-RestMethod -Uri $federation_url -ContentType $contentType -Method POST -Body $envelope -Headers $headers # Get the SAML token from response and encode it with Base64 $samlToken=$xmlResponse.Envelope.Body.RequestSecurityTokenResponse.RequestedSecurityToken.Assertion.OuterXml $encodedSamlToken= [Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes($samlToken)) $jsonResponse = Get-OAuthInfoUsingSAML -SAMLToken $samlToken -Resource $Resource -ClientId $ClientId } # Verbose Write-Verbose "AUTHENTICATION JSON: $($jsonResponse | Out-String)" # Return $jsonResponse } } # Parse access token and return it as PS object function Read-Accesstoken { <# .SYNOPSIS Extract details from the given Access Token .DESCRIPTION Extract details from the given Access Token and returns them as PS Object .Parameter AccessToken The Access Token. .Example PS C:\>$token=Get-AADIntReadAccessTokenForAADGraph PS C:\>Parse-AADIntAccessToken -AccessToken $token #> [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$AccessToken, [Parameter()] [Switch]$ShowDate ) Process { # Get only the token payload $payload = $AccessToken.Split(".")[1] # Fill with padding for Base 64 decoding while ($payload.Length % 4) { $payload += "=" } # Convert the token to string and json $payloadBytes=[System.Convert]::FromBase64String($payload) $payloadArray=[System.Text.Encoding]::ASCII.GetString($payloadBytes) $payloadObj=$payloadArray | ConvertFrom-Json if($ShowDate) { # Show dates $payloadObj.exp=($epoch.Date.AddSeconds($payloadObj.exp)).toString("yyyy-MM-ddTHH:mm:ssZ").Replace(".",":") $payloadObj.iat=($epoch.Date.AddSeconds($payloadObj.iat)).toString("yyyy-MM-ddTHH:mm:ssZ").Replace(".",":") $payloadObj.nbf=($epoch.Date.AddSeconds($payloadObj.nbf)).toString("yyyy-MM-ddTHH:mm:ssZ").Replace(".",":") } # Verbose Write-Verbose "PARSED ACCESS TOKEN: $($payloadObj | Out-String)" # Return $payloadObj } } # Prompts for credentials and gets the access token # Supports MFA, federation, etc. function Prompt-Credentials { [cmdletbinding()] Param( [Parameter(Mandatory=$False)] [ValidateSet('aad_graph_api','ms_graph_api','azureadmin','outlook')] [String]$Resource="aad_graph_api", [ValidateSet('graph_api','aadsync','azureadmin','pta','teams','office','exo')] [String]$ClientId="graph_api" ) Process { # Set variables $auth_redirect="urn:ietf:wg:oauth:2.0:oob" $client_id=$client_ids[$ClientId] # Usually should be graph_api if($Resource -eq "teams") { # We are logging in as Teams, so need to use different auth_redirect $auth_redirect="https://teams.office.com" } $request_id=(New-Guid).ToString() $url="https://login.microsoftonline.com/common/oauth2/authorize?resource=$($Script:resources[$Resource])&client_id=$client_id&response_type=code&haschrome=1&redirect_uri=$auth_redirect&client-request-id=$request_id&prompt=login" # Create the form $form = Create-LoginForm -Url $url -auth_redirect $auth_redirect # Show the form and wait for the return value if($form.ShowDialog() -ne "OK") { Write-Verbose "Login cancelled" return $null } # Parse the query string $response = [Web.HttpUtility]::ParseQueryString($form.Controls[0].Url.Query) # Create a body for REST API request $body = @{ client_id=$client_id grant_type="authorization_code" code=$response["code"] redirect_uri=$auth_redirect } # Verbose Write-Verbose "AUTHENTICATION BODY: $($body | Out-String)" # Set the content type and call the Microsoft Online authentication API $contentType="application/x-www-form-urlencoded" $jsonResponse=Invoke-RestMethod -Uri "https://login.microsoftonline.com/common/oauth2/token" -ContentType $contentType -Method POST -Body $body # return $jsonResponse } } # Tries to get access token from cache unless provided as parameter function Get-AccessTokenFromCache { [cmdletbinding()] Param( [Parameter()] [String]$AccessToken, [Parameter(Mandatory=$False)] [ValidateSet('aad_graph_api','ms_graph_api','windows_net_mgmt_api','cloudwebappproxy','officeapps','outlook')] [String]$Resource="aad_graph_api" ) Process { # Check if we got the AccessToken as parameter if([string]::IsNullOrEmpty($AccessToken)) { # Check if cache is empty if([string]::IsNullOrEmpty($Script:tokens[$Resource])) { # Empty, so throw the exception Throw "No saved tokens. Please call Get-AADIntAccessTokenForAADGraph" } else { $retVal=$Script:tokens[$Resource].access_token } } else { # Just return the passed access token $retVal=$AccessToken } # Check the expiration if(Is-AccessTokenExpired($retVal)) { throw "AccessToken has expired" } # Return return $retVal } } # Gets the access token for AAD Graph API function Get-AccessTokenForAADGraph { <# .SYNOPSIS Gets OAuth Access Token for AAD Graph .DESCRIPTION Gets OAuth Access Token for AAD Graph, which is used for example in Provisioning API. If credentials are not given, prompts for credentials (supports MFA). .Parameter Credentials Credentials of the user. If not given, credentials are prompted. .Example Get-AADIntAccessTokenForAADGraph .Example PS C:\>$cred=Get-Credential PS C:\>Get-AADIntAccessTokenForAADGraph -Credentials $cred #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Credentials',Mandatory=$False)] [System.Management.Automation.PSCredential]$Credentials, [Parameter(ParameterSetName='SAML',Mandatory=$True)] [String]$SAMLToken ) Process { Get-AccessToken -Credentials $Credentials -Resource "aad_graph_api" -ClientId "graph_api" -SAMLToken $SAMLToken } } # Gets the access token for MS Graph API function Get-AccessTokenForMSGraph { <# .SYNOPSIS Gets OAuth Access Token for Microsoft Graph .DESCRIPTION Gets OAuth Access Token for Microsoft Graph, which is used in Graph API. If credentials are not given, prompts for credentials (supports MFA). .Parameter Credentials Credentials of the user. If not given, credentials are prompted. .Example Get-AADIntAccessTokenForMSGraph .Example $cred=Get-Credential Get-AADIntAccessTokenForMSGraph -Credentials $cred #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Credentials',Mandatory=$False)] [System.Management.Automation.PSCredential]$Credentials, [Parameter(ParameterSetName='SAML',Mandatory=$True)] [String]$SAMLToken ) Process { Get-AccessToken -Credentials $Credentials -Resource "ms_graph_api" -ClientId "graph_api" -SAMLToken $SAMLToken } } # Gets the access token for enabling or disabling PTA function Get-AccessTokenForPTA { <# .SYNOPSIS Gets OAuth Access Token for PTA .DESCRIPTION Gets OAuth Access Token for PTA, which is used for example to enable or disable PTA. .Parameter Credentials Credentials of the user. .Example Get-AADIntAccessTokenForPTA .Example PS C:\>$cred=Get-Credential PS C:\>Get-AADIntAccessTokenForPTA -Credentials $cred #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Credentials',Mandatory=$False)] [System.Management.Automation.PSCredential]$Credentials, [Parameter(ParameterSetName='SAML',Mandatory=$True)] [String]$SAMLToken ) Process { Get-AccessToken -Credentials $Credentials -Resource "cloudwebappproxy" -ClientId "pta" -SAMLToken $SAMLToken } } # Gets the access token for Office Apps function Get-AccessTokenForOfficeApps { <# .SYNOPSIS Gets OAuth Access Token for Office Apps .DESCRIPTION Gets OAuth Access Token for Office Apps. .Parameter Credentials Credentials of the user. .Example Get-AADIntAccessTokenForOfficeApps .Example PS C:\>$cred=Get-Credential PS C:\>Get-AADIntAccessTokenForOfficeApps -Credentials $cred #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Credentials',Mandatory=$False)] [System.Management.Automation.PSCredential]$Credentials, [Parameter(ParameterSetName='SAML',Mandatory=$True)] [String]$SAMLToken ) Process { Get-AccessToken -Credentials $Credentials -Resource "officeapps" -ClientId "graph_api" -SAMLToken $SAMLToken } } # Gets the access token for Exchange Online function Get-AccessTokenForEXO { <# .SYNOPSIS Gets OAuth Access Token for Exchange Online .DESCRIPTION Gets OAuth Access Token for Exchange Online .Parameter Credentials Credentials of the user. .Example Get-AADIntAccessTokenForEXO .Example PS C:\>$cred=Get-Credential PS C:\>Get-AADIntAccessTokenForEXO -Credentials $cred #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Credentials',Mandatory=$False)] [System.Management.Automation.PSCredential]$Credentials, [Parameter(ParameterSetName='SAML',Mandatory=$True)] [String]$SAMLToken ) Process { # Office app has the required rights to Exchange Online Get-AccessToken -Credentials $Credentials -Resource "outlook" -ClientId "office" -SAMLToken $SAMLToken } } # Gets the access token for Exchange Online remote PowerShell function Get-AccessTokenForEXOPS { <# .SYNOPSIS Gets OAuth Access Token for Exchange Online remote PowerShell .DESCRIPTION Gets OAuth Access Token for Exchange Online remote PowerShell .Parameter Credentials Credentials of the user. .Example Get-AADIntAccessTokenForEXOPS .Example PS C:\>$cred=Get-Credential PS C:\>Get-AADIntAccessTokenForEXOPS -Credentials $cred #> [cmdletbinding()] Param( [Parameter(ParameterSetName='Credentials',Mandatory=$False)] [System.Management.Automation.PSCredential]$Credentials, [Parameter(ParameterSetName='SAML',Mandatory=$True)] [String]$SAMLToken ) Process { # Office app has the required rights to Exchange Online Get-AccessToken -Credentials $Credentials -Resource "outlook" -ClientId "exo" -SAMLToken $SAMLToken } } # Gets the access token for provisioning API and stores to cache function Get-AccessToken { [cmdletbinding()] Param( [Parameter(Mandatory=$False)] [System.Management.Automation.PSCredential]$Credentials, [Parameter(Mandatory=$False)] [String]$SAMLToken, [Parameter()] [switch]$UseAdalCache=$false, [ValidateSet('aad_graph_api','ms_graph_api','windows_net_mgmt_api','cloudwebappproxy','officeapps','outlook')] [String]$Resource="aad_graph_api", [ValidateSet('graph_api','aadsync','pta','teams','office','exo')] [String]$ClientId="graph_api" ) Process { # Check if we want to get AccessToken from ADAL cache if($UseAdalCache) { # Items from cache for the given resource $cache = [Microsoft.IdentityModel.Clients.ActiveDirectory.TokenCache]::DefaultShared $adalItems = $cache.ReadItems() | where Resource -eq $Script:resources[$Resource] # Get the first item $adalItem=$adalItems[0] $token= @{} $token.access_token=$adalItem.AccessToken $token.id_token=$adalItem.IdToken $token.expires_on=(New-TimeSpan –Start $Script:epoch –End $adalItem.ExpiresOn.Date).TotalSeconds $token.resource=$Script:resources[$Resource] $upn=$adalItem.DisplayableId Write-Verbose "ADAL CACHE: Using cached access token of $upn" # Save the tokens to cache $Script:tokens[$Resource]=$token # Set the access token $access_token=$token.access_token } else { # Check if we got credentials if([string]::IsNullOrEmpty($Credentials) -and [string]::IsNullOrEmpty($SAMLToken)) { # No credentials given, so prompt for credentials if($ClientId -eq "office" -or $ClientId -eq "exo") { $OAuthInfo = Prompt-Credentials -Resource "outlook" -ClientId $ClientId } else { $OAuthInfo = Prompt-Credentials -ClientId $ClientId } } else { # Get OAuth info for user if(![string]::IsNullOrEmpty($SAMLToken)) { $OAuthInfo = Get-OAuthInfoUsingSAML -SAMLToken $SAMLToken -ClientId $ClientId } else { if($ClientId -eq "pta" -or $ClientId -eq "azureadmin" -or $ClientId -eq "teams" -or $ClientId -eq "office" -or $ClientId -eq "exo") { # Requires same clientId $OAuthInfo = Get-OAuthInfo -Credentials $Credentials -ClientId $ClientId } else { # "Normal" flow $OAuthInfo = Get-OAuthInfo -Credentials $Credentials } } } if($ClientId -eq "aadsync") { # Authentication here is simplier, just use the access token from the previous call $access_token=$OAuthInfo.access_token } else { # We need to get access token using the refresh token from the previous call # Save the refresh token and other variables $RefreshToken=$OAuthInfo.refresh_token $ParsedToken=Read-Accesstoken($OAuthInfo.access_token) $tenant_name = $ParsedToken.unique_name.Split("@")[1] # Not used in this script, we can use both name or id in url below $tenant_id = $ParsedToken.tid # Set the body for API call $body = @{ "resource"=$resources[$Resource] "client_id"=$client_ids[$ClientId] "grant_type"="refresh_token" "refresh_token"=$RefreshToken "scope"="openid" } # Verbose Write-Verbose "ACCESS TOKEN BODY: $($body | Out-String)" # Set the content type and call the API $contentType="application/x-www-form-urlencoded" $response=Invoke-RestMethod -Uri "https://login.microsoftonline.com/$tenant_id/oauth2/token" -ContentType $contentType -Method POST -Body $body # Verbose Write-Verbose "ACCESS TOKEN RESPONSE: $response" # Save the tokens to cache $Script:tokens[$Resource]=$response # Get the access token from response $access_token=$response.access_token } } # Return $access_token } } # Gets the tenant details function Get-TenantDetails { <# .SYNOPSIS Extract tenant details using the given Access Token .DESCRIPTION Extract tenant details using the given Access Token .Parameter AccessToken The Access Token. If not given, tries to use cached Access Token. .Example PS C:\>$token=Get-AADIntAccessTokenForAADGraph PS C:\>Get-AADIntTenantDetails -AccessToken $token #> [cmdletbinding()] Param( [Parameter(Mandatory=$False)] [String]$AccessToken ) Process { $AccessToken = Get-AccessTokenFromCache($AccessToken) # Get tenant id $tenant_id=Get-TenantId -AccessToken $AccessToken $headers = @{ "Authorization"="Bearer $AccessToken" } # Call the API $response=Invoke-RestMethod -Uri "$($Script:resources["aad_graph_api"])/$tenant_id/tenantDetails?api-version=1.6" -Headers $headers # Verbose Write-Verbose "TENANT INFORMATION: $($response.value | Out-String)" # Return $response.value } } # Logins to SharePoint Online and returns an IdentityToken # TODO: Research whether can be used to get access_token to AADGraph # TODO: Add support for Google? # FIX: Web control stays logged in - clear cookies somehow? # Aug 10th 2018 function Get-IdentityTokenByLiveId { <# .SYNOPSIS Gets identity_token for SharePoint Online for External user .DESCRIPTION Gets identity_token for SharePoint Online for External user using LiveId. .Parameter Tenant The tenant name to login in to WITHOUT .sharepoint.com part .Example PS C:\>$id_token=Get-AADIntIdentityTokenByLiveId -Tenant mytenant #> [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$Tenant ) Process { # Set variables $auth_redirect="https://login.microsoftonline.com/common/federation/oauth2" # When to close the form $url="https://$Tenant.sharepoint.com" # Create the form $form=Create-LoginForm -Url $url -auth_redirect $auth_redirect # Show the form and wait for the return value if($form.ShowDialog() -ne "OK") { Write-Verbose "Login cancelled" return $null } $web=$form.Controls[0] $code=$web.Document.All["code"].GetAttribute("value") $id_token=$web.Document.All["id_token"].GetAttribute("value") $session_state=$web.Document.All["session_state"].GetAttribute("value") return Read-Accesstoken($id_token) } } # Logs out the web sessions from LiveId # Aug 10th 2018 function Clear-LiveIdSession { <# .SYNOPSIS Clear the SharePoint Online login session. .DESCRIPTION Clear the SharePoint Online login session created by Get-AADIntIdentityTokenByLiveId function. .Parameter Tenant The tenant name to login in to WITHOUT .sharepoint.com part .Example PS C:\>Clear-AADIntLiveIdSession -Tenant mytenant #> [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$Tenant ) Process { # Set variables $auth_redirect="https://login.microsoftonline.com/login.srf?wa=wsignoutcleanup1.0" # When to close the form $url="https://$tenant.sharepoint.com/_layouts/15/SignOut.aspx" # Create the form $form=Create-LoginForm -Url $url -auth_redirect $auth_redirect # Show the form and wait for the return value $form.ShowDialog() # Clear the webbrowser control Clear-WebBrowser } } # Creates an interactive login form based on given url and auth_redirect. # Aug 10th 2018 function Create-LoginForm { [cmdletbinding()] Param( [Parameter(Mandatory=$True)] [String]$Url, [Parameter(Mandatory=$True)] [String]$auth_redirect ) Process { # Create the form and add a WebBrowser control to it $form = New-Object Windows.Forms.Form $form.Width = 560 $form.Height = 680 $form.FormBorderStyle=[System.Windows.Forms.FormBorderStyle]::FixedDialog $form.TopMost = $true $web = New-Object Windows.Forms.WebBrowser $web.Size = $form.ClientSize $web.Anchor = "Left,Top,Right,Bottom" $form.Controls.Add($web) # Add an event listener to track down where the browser is $web.add_Navigated({ # If the url matches the redirect url, close with OK. Write-Verbose "NAVIGATED TO: $($_.Url.ToString())" if($_.Url.ToString().StartsWith($auth_redirect)) { $form.DialogResult = "OK" $form.Close() Write-Verbose "PROMPT CREDENTIALS URL: $_.Url" } # Automatically logs in -> need to logout first elseif($_.Url.ToString().StartsWith($url)) { $form.DialogResult = "Cancel" $form.Close() Write-Error "Please logout first using Clear-AADIntLiveIdSession." } }) # Set the url $web.Navigate($url) # Return return $form } } # Clear the Forms.WebBrowser data $source=@" [DllImport("wininet.dll")] public static extern bool InternetSetOption(IntPtr hInternet, int dwOption, IntPtr lpBuffer, int lpdwBufferLength); "@ #Create type from source $wininet = Add-Type -memberDefinition $source -passthru -name ClearBrowser -ErrorAction SilentlyContinue $INTERNET_OPTION_END_BROWSER_SESSION = 42; function Clear-WebBrowser { [cmdletbinding()] Param( ) Process { $wininet::InternetSetOption([IntPtr]::Zero, $INTERNET_OPTION_END_BROWSER_SESSION, [IntPtr]::Zero, 0)|out-null } } ## GENERAL ADMIN API FUNCTIONS # Gets Office 365 instance names (used when getting ip addresses) function Get-EndpointInstances { <# .SYNOPSIS Get Office 365 endpoint instances .DESCRIPTION Get Office 365 endpoint instances .Example PS C:\>Get-AADIntEndpointInstances instance latest -------- ------ Worldwide 2018100100 USGovDoD 2018100100 USGovGCCHigh 2018100100 China 2018100100 Germany 2018100100 #> [cmdletbinding()] Param() Process { $clientrequestid=(New-Guid).ToString(); Invoke-RestMethod -Uri "https://endpoints.office.com/version?clientrequestid=$clientrequestid" } } # Gets Office 365 ip addresses for specific instance function Get-EndpointIps { <# .SYNOPSIS Get Office 365 endpoint ips and urls .DESCRIPTION Get Office 365 endpoint ips and urls .Parameter Instance The instance which ips and urls are returned. Defaults to WorldWide. .Example PS C:\>Get-AADIntEndpointIps id : 1 serviceArea : Exchange serviceAreaDisplayName : Exchange Online urls : {outlook.office.com, outlook.office365.com} ips : {13.107.6.152/31, 13.107.9.152/31, 13.107.18.10/31, 13.107.19.10/31...} tcpPorts : 80,443 expressRoute : True category : Optimize required : True id : 2 serviceArea : Exchange serviceAreaDisplayName : Exchange Online urls : {smtp.office365.com} ips : {13.107.6.152/31, 13.107.9.152/31, 13.107.18.10/31, 13.107.19.10/31...} tcpPorts : 587 expressRoute : True category : Allow required : True .Example PS C:\>Get-AADIntEndpointIps -Instance Germany id : 1 serviceArea : Exchange serviceAreaDisplayName : Exchange Online urls : {outlook.office.de} ips : {51.4.64.0/23, 51.5.64.0/23} tcpPorts : 80,443 expressRoute : False category : Optimize required : True id : 2 serviceArea : Exchange serviceAreaDisplayName : Exchange Online urls : {r1.res.office365.com} tcpPorts : 80,443 expressRoute : False category : Default required : True #> [cmdletbinding()] Param( [Parameter()] [ValidateSet('Worldwide','USGovDoD','USGovGCCHigh','China','Germany')] [String]$Instance="Worldwide" ) Process { $clientrequestid=(New-Guid).ToString(); Invoke-RestMethod -Uri ("https://endpoints.office.com/endpoints/$Instance"+"?clientrequestid=$clientrequestid") } } # Gets username from authorization header # Apr 4th 2019 function Get-UserNameFromAuthHeader { Param( [Parameter(Mandatory=$True)] [String]$Auth ) Process { $type = $Auth.Split(" ")[0] $data = $Auth.Split(" ")[1] if($type -eq "Basic") { ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($data))).Split(":")[0] } else { (Read-Accesstoken -AccessToken $data).upn } } } # Creates authorization header from Credentials or AccessToken # Apr 4th 2019 function Create-AuthorizationHeader { Param( [Parameter()] [System.Management.Automation.PSCredential]$Credentials, [Parameter()] [String]$AccessToken ) Process { if([String]::IsNullOrEmpty($AccessToken)) { $userName = $Credentials.UserName $password = $Credentials.GetNetworkCredential().Password $auth = "Basic $([Convert]::ToBase64String([System.Text.Encoding]::UTF8.GetBytes("$($userName):$($password)")))" } else { $auth = "Bearer $AccessToken" } return $auth } } |