Framework/Helpers/ContextHelper.ps1

<#
.Description
# Context class for indenity details.
# Provides functionality to login, create context, get token for api calls
#>

using namespace Microsoft.IdentityModel.Clients.ActiveDirectory

class ContextHelper {
    
    static hidden [Context] $currentContext;
    
    #This will be used to carry current org under current context.
    static hidden [string] $orgName;
    hidden static [PSObject] GetCurrentContext()
    {
        return [ContextHelper]::GetCurrentContext($false);
    }

    hidden static [PSObject] GetCurrentContext([bool]$authNRefresh)
    {
        if( (-not [ContextHelper]::currentContext) -or $authNRefresh)
        {
            $clientId = [Constants]::DefaultClientId ;          
            $replyUri = [Constants]::DefaultReplyUri; 
            $adoResourceId = [Constants]::DefaultADOResourceId;
            [AuthenticationContext] $ctx = $null;

            $ctx = [AuthenticationContext]::new("https://login.windows.net/common");

            [AuthenticationResult] $result = $null;

            $azSKUI = $null;
            if(-not [string]::IsNullOrWhiteSpace($env:RefreshToken) -and -not [string]::IsNullOrWhiteSpace($env:ClientSecret)) { # this if block will be executed for OAuth based scan
                $tokenInfo = [ContextHelper]::GetOAuthAccessToken()
                [ContextHelper]::ConvertToContextObject($tokenInfo)
            }
            else {
                if ( !$authNRefresh -and ($azSKUI = Get-Variable 'AzSKADOLoginUI' -Scope Global -ErrorAction 'Ignore')) {
                    if ($azSKUI.Value -eq 1) {
                        $PromptBehavior = [Microsoft.IdentityModel.Clients.ActiveDirectory.PromptBehavior]::Always
                        $PlatformParameters = New-Object Microsoft.IdentityModel.Clients.ActiveDirectory.PlatformParameters -ArgumentList $PromptBehavior
                        $result = $ctx.AcquireTokenAsync($adoResourceId, $clientId, [Uri]::new($replyUri),$PlatformParameters).Result;
                    }
                    else {
                        $PromptBehavior = [Microsoft.IdentityModel.Clients.ActiveDirectory.PromptBehavior]::Auto
                        $PlatformParameters = New-Object Microsoft.IdentityModel.Clients.ActiveDirectory.PlatformParameters -ArgumentList $PromptBehavior
                        $result = $ctx.AcquireTokenAsync($adoResourceId, $clientId, [Uri]::new($replyUri),$PlatformParameters).Result;
                    }
                }
                else {
                    $PromptBehavior = [Microsoft.IdentityModel.Clients.ActiveDirectory.PromptBehavior]::Auto
                    $PlatformParameters = New-Object Microsoft.IdentityModel.Clients.ActiveDirectory.PlatformParameters -ArgumentList $PromptBehavior
                    $result = $ctx.AcquireTokenAsync($adoResourceId, $clientId, [Uri]::new($replyUri),$PlatformParameters).Result;
                }

                [ContextHelper]::ConvertToContextObject($result)
            }
        }
        return [ContextHelper]::currentContext
    }
    
    hidden static [PSObject] GetCurrentContext([System.Security.SecureString] $PATToken)
    {
        if(-not [ContextHelper]::currentContext)
        {
            [ContextHelper]::ConvertToContextObject($PATToken)
        }
        return [ContextHelper]::currentContext
    }

    hidden static [PSObject] GetOAuthAccessToken() {
        $tokenInfo = @{};
        try{
            $url = "https://app.vssps.visualstudio.com/oauth2/token"
            # exchange refresh token with new access token
            $body = "client_assertion_type=urn:ietf:params:oauth:client-assertion-type:jwt-bearer&client_assertion=$($env:ClientSecret)&grant_type=refresh_token&assertion=$($env:RefreshToken)&redirect_uri=https://localhost/"
        
            $res = Invoke-WebRequest -Uri $url -ContentType "application/x-www-form-urlencoded" -Method POST -Body $body
            $response = $res.Content | ConvertFrom-Json

            $tokenInfo['AccessToken'] = $response.access_token
            $expiry = $response.expires_in
            $request_time = get-date
            $tokenInfo['ExpiresOn'] = $request_time.AddSeconds($expiry)
            $refreshToken = ConvertTo-SecureString  $response.refresh_token -AsPlainText -Force
            Set-AzKeyVaultSecret -VaultName $env:KeyVaultName -Name "RefreshTokenForADOScan" -SecretValue $refreshToken | out-null
        }
        catch{
            write-Host "Error fetching OAuth access token"
            Write-Host $_
            return $null
        }
        return $tokenInfo
    }

    static [string] GetAccessToken([string] $resourceAppIdUri) {
            return [ContextHelper]::GetAccessToken()   
    }

    static [string] GetAccessToken()
    {
        if([ContextHelper]::currentContext)
        {
            # Validate if token is PAT using lenght (PAT has lengh of 52), if PAT dont go to refresh login session.
            #TODO: Change code to find token type supplied PAT or login session token
            #if token expiry is within 2 min, refresh.
            if (([ContextHelper]::currentContext.AccessToken.length -ne 52) -and ([ContextHelper]::currentContext.TokenExpireTimeLocal -le [DateTime]::Now.AddMinutes(2)))
            {
                [ContextHelper]::GetCurrentContext($true);
            }
            return  [ContextHelper]::currentContext.AccessToken
        }
        else
        {
            return $null
        }
    }
    
    static [string] GetAccessToken([string] $Uri, [string] $tenantId) 
    {
        $rmContext = Get-AzContext
        if (-not $rmContext) {
            throw ([SuppressedException]::new(("No Azure login found"), [SuppressedExceptionType]::InvalidOperation))
        }
        
        if ([string]::IsNullOrEmpty($tenantId) -and [Helpers]::CheckMember($rmContext,"Tenant")) {
            $tenantId = $rmContext.Tenant.Id
        }
        
        $authResult = [Microsoft.Azure.Commands.Common.Authentication.AzureSession]::Instance.AuthenticationFactory.Authenticate(
        $rmContext.Account,
        $rmContext.Environment,
        $tenantId,
        [System.Security.SecureString] $null,
        "Never",
        $null,
        $Uri);
        
        if (-not ($authResult -and (-not [string]::IsNullOrWhiteSpace($authResult.AccessToken)))) {
          throw ([SuppressedException]::new(("Unable to get access token. Authentication Failed."), [SuppressedExceptionType]::Generic))
        }
        return $authResult.AccessToken;
    }

    
    static [string] GetGraphAccessToken()
    {
        $accessToken = ''
        try
        {   
            #getting azure context because graph access token requires azure environment details.
            $Context = @(Get-AzContext -ErrorAction SilentlyContinue )
            if ($Context.count -eq 0)  
            {
                Write-Host "No active Azure login session found. Initiating login flow..." -ForegroundColor Cyan
                Connect-AzAccount -ErrorAction Stop
                $Context = @(Get-AzContext -ErrorAction SilentlyContinue)
            }

            if ($null -eq $Context)  
            {
                Write-Host "No Azure login found. Azure login context is required to get the graph access token." -ForegroundColor Red
                throw [SuppressedException] "Unable to sign-in to Azure."
            }
            else
            {
                $graphUri = "https://graph.microsoft.com"
                $authResult = [Microsoft.Azure.Commands.Common.Authentication.AzureSession]::Instance.AuthenticationFactory.Authenticate(
                $Context.Account,
                $Context.Environment,
                $Context.Tenant.Id,
                [System.Security.SecureString] $null,
                "Never",
                $null,
                $graphUri);

                if (-not ($authResult -and (-not [string]::IsNullOrWhiteSpace($authResult.AccessToken))))
                {
                    throw ([SuppressedException]::new(("Unable to fetch graph access token."), [SuppressedExceptionType]::Generic))
                }

                $accessToken = $authResult.AccessToken;
            }
        }
        catch
        {
            write-Host "Unable to fetch graph access token."
            return $null
        }

        return $accessToken;
    }

    hidden [OrganizationContext] SetContext([string] $organizationName)
    {
        if((-not [string]::IsNullOrEmpty($organizationName)))
              {
                     $OrganizationContext = [OrganizationContext]@{
                           OrganizationId = $organizationName;
                           Scope = "/Organization/$organizationName";
                           OrganizationName = $organizationName;
                     };
                     # $organizationId contains the organization name (due to framework).
                     [ContextHelper]::orgName = $organizationName;
                     [ContextHelper]::GetCurrentContext()                  
              }
              else
              {
                     throw [SuppressedException] ("OrganizationName name [$organizationName] is either malformed or incorrect.")
        }
        return $OrganizationContext;
    }

    hidden [OrganizationContext] SetContext([string] $organizationName, [System.Security.SecureString] $PATToken)
    {
        if((-not [string]::IsNullOrEmpty($organizationName)))
              {
                     $OrganizationContext = [OrganizationContext]@{
                           OrganizationId = $organizationName;
                           Scope = "/Organization/$organizationName";
                           OrganizationName = $organizationName;
                     };
                     # $organizationId contains the organization name (due to framework).
                     [ContextHelper]::orgName = $organizationName;
                     [ContextHelper]::GetCurrentContext($PATToken)         
              }
              else
              {
                     throw [SuppressedException] ("OrganizationName name [$organizationName] is either malformed or incorrect.")
        }
        return $OrganizationContext;
    }

    static [void] ResetCurrentContext()
    {
        
    }

    hidden static ConvertToContextObject([PSObject] $context)
    {
        $contextObj = [Context]::new()
        # We do not get ADO organization id as part of current context. Hence appending org name to both id and name param.
        $contextObj.Organization = [Organization]::new()
        $contextObj.Organization.Id = [ContextHelper]::orgName
        $contextObj.Organization.Name = [ContextHelper]::orgName

        if(-not [string]::IsNullOrWhiteSpace($env:RefreshToken) -and -not [string]::IsNullOrWhiteSpace($env:ClientSecret)) { # this if block will be executed for OAuth based scan
            $contextObj.Account.Id = [ContextHelper]::GetOAuthUserIdentity($context.AccessToken, $contextObj.Organization.Name)
            $contextObj.AccessToken = $context.AccessToken
            $contextObj.TokenExpireTimeLocal = $context.ExpiresOn
        }
        else {
            $contextObj.Account.Id = $context.UserInfo.DisplayableId
            $contextObj.Tenant.Id = $context.TenantId
            $contextObj.AccessToken = $context.AccessToken

            $contextObj.TokenExpireTimeLocal = $context.ExpiresOn.LocalDateTime
            #$contextObj.AccessToken = ConvertTo-SecureString -String $context.AccessToken -asplaintext -Force
        }
        [ContextHelper]::currentContext = $contextObj
    }
    
    hidden static [string] GetOAuthUserIdentity($accessToken, $orgName)
    {
        $apiURL = "https://dev.azure.com/{0}/_apis/connectionData" -f $orgName
        $headers =@{
            Authorization = "Bearer $accesstoken";
            "Content-Type"="application/json"
        };
        try{
            $responseObj = Invoke-RestMethod -Method Get -Uri $apiURL -Headers $headers -UseBasicParsing
            $descriptor = $responseObj.authenticatedUser.descriptor
            $userId = ($descriptor -split '\\')[-1]
            return $userId
        }
        catch{
            return ""
        }
    }

    hidden static ConvertToContextObject([System.Security.SecureString] $patToken)
    {
        $contextObj = [Context]::new()
        $contextObj.Account.Id = [string]::Empty
        $contextObj.Tenant.Id =  [string]::Empty
        $contextObj.AccessToken = [System.Net.NetworkCredential]::new("", $patToken).Password
        
        # We do not get ADO organization Id as part of current context. Hence appending org name to both Id and Name param.
        $contextObj.Organization = [Organization]::new()
        $contextObj.Organization.Id = [ContextHelper]::orgName
        $contextObj.Organization.Name = [ContextHelper]::orgName 

        #$contextObj.AccessToken = $patToken
        #$contextObj.AccessToken = ConvertTo-SecureString -String $context.AccessToken -asplaintext -Force
        [ContextHelper]::currentContext = $contextObj


        $apiURL = "https://dev.azure.com/{0}/_apis/connectionData" -f [ContextHelper]::orgName
        #Note: cannot use this WRH method below due to ordering constraints during load in Framework.ps1
        #$header = [WebRequestHelper]::GetAuthHeaderFromUri($apiURL);
        $user = ""
        $base64AuthInfo = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(("{0}:{1}" -f $user, $contextObj.AccessToken)))
        $headers = @{
                        "Authorization"= ("Basic " + $base64AuthInfo); 
                        "Content-Type"="application/json"
                    };
        $responseObj = Invoke-RestMethod -Method Get -Uri $apiURL -Headers $headers -UseBasicParsing

        #If the token is valid, we get: "descriptor"="Microsoft.IdentityModel.Claims.ClaimsIdentity;72f988bf-86f1-41af-91ab-2d7cd011db47\xyz@microsoft.com"
        #Note that even for guest users, we get the host tenant (and not their native tenantId). E.g., "descriptor...;72f...47\pqr@live.com"
        #If the token is invalid, we get a diff object: "descriptor":"System:PublicAccess;aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa"
        $authNUserInfo = @(($responseObj.authenticatedUser.descriptor -split ';') -split '\\')
    
        #Check if the above split resulted in 3 elements (valid token case)
        if ($authNUserInfo.Count -eq 3)
        {
            $contextObj.Tenant.Id = $authNUserInfo[1]
            $contextObj.Account.Id = $authNUserInfo[2]
        }
    }

    static [string] GetCurrentSessionUser() {
        $context = [ContextHelper]::GetCurrentContext()
        if ($null -ne $context) {
            return $context.Account.Id
        }
        else {
            return "NO_ACTIVE_SESSION"
        }
    }

}
# SIG # Begin signature block
# MIIjngYJKoZIhvcNAQcCoIIjjzCCI4sCAQExDzANBglghkgBZQMEAgEFADB5Bgor
# BgEEAYI3AgEEoGswaTA0BgorBgEEAYI3AgEeMCYCAwEAAAQQH8w7YFlLCE63JNLG
# KX7zUQIBAAIBAAIBAAIBAAIBADAxMA0GCWCGSAFlAwQCAQUABCB0M5gkLnBmyNQF
# qUaWWdfMjb+KoV1c98XsQodovVQwgqCCDYEwggX/MIID56ADAgECAhMzAAAB32vw
# LpKnSrTQAAAAAAHfMA0GCSqGSIb3DQEBCwUAMH4xCzAJBgNVBAYTAlVTMRMwEQYD
# VQQIEwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRtb25kMR4wHAYDVQQKExVNaWNy
# b3NvZnQgQ29ycG9yYXRpb24xKDAmBgNVBAMTH01pY3Jvc29mdCBDb2RlIFNpZ25p
# bmcgUENBIDIwMTEwHhcNMjAxMjE1MjEzMTQ1WhcNMjExMjAyMjEzMTQ1WjB0MQsw
# CQYDVQQGEwJVUzETMBEGA1UECBMKV2FzaGluZ3RvbjEQMA4GA1UEBxMHUmVkbW9u
# ZDEeMBwGA1UEChMVTWljcm9zb2Z0IENvcnBvcmF0aW9uMR4wHAYDVQQDExVNaWNy
# b3NvZnQgQ29ycG9yYXRpb24wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB
# AQC2uxlZEACjqfHkuFyoCwfL25ofI9DZWKt4wEj3JBQ48GPt1UsDv834CcoUUPMn
# s/6CtPoaQ4Thy/kbOOg/zJAnrJeiMQqRe2Lsdb/NSI2gXXX9lad1/yPUDOXo4GNw
# PjXq1JZi+HZV91bUr6ZjzePj1g+bepsqd/HC1XScj0fT3aAxLRykJSzExEBmU9eS
# yuOwUuq+CriudQtWGMdJU650v/KmzfM46Y6lo/MCnnpvz3zEL7PMdUdwqj/nYhGG
# 3UVILxX7tAdMbz7LN+6WOIpT1A41rwaoOVnv+8Ua94HwhjZmu1S73yeV7RZZNxoh
# EegJi9YYssXa7UZUUkCCA+KnAgMBAAGjggF+MIIBejAfBgNVHSUEGDAWBgorBgEE
# AYI3TAgBBggrBgEFBQcDAzAdBgNVHQ4EFgQUOPbML8IdkNGtCfMmVPtvI6VZ8+Mw
# UAYDVR0RBEkwR6RFMEMxKTAnBgNVBAsTIE1pY3Jvc29mdCBPcGVyYXRpb25zIFB1
# ZXJ0byBSaWNvMRYwFAYDVQQFEw0yMzAwMTIrNDYzMDA5MB8GA1UdIwQYMBaAFEhu
# ZOVQBdOCqhc3NyK1bajKdQKVMFQGA1UdHwRNMEswSaBHoEWGQ2h0dHA6Ly93d3cu
# bWljcm9zb2Z0LmNvbS9wa2lvcHMvY3JsL01pY0NvZFNpZ1BDQTIwMTFfMjAxMS0w
# Ny0wOC5jcmwwYQYIKwYBBQUHAQEEVTBTMFEGCCsGAQUFBzAChkVodHRwOi8vd3d3
# Lm1pY3Jvc29mdC5jb20vcGtpb3BzL2NlcnRzL01pY0NvZFNpZ1BDQTIwMTFfMjAx
# MS0wNy0wOC5jcnQwDAYDVR0TAQH/BAIwADANBgkqhkiG9w0BAQsFAAOCAgEAnnqH
# tDyYUFaVAkvAK0eqq6nhoL95SZQu3RnpZ7tdQ89QR3++7A+4hrr7V4xxmkB5BObS
# 0YK+MALE02atjwWgPdpYQ68WdLGroJZHkbZdgERG+7tETFl3aKF4KpoSaGOskZXp
# TPnCaMo2PXoAMVMGpsQEQswimZq3IQ3nRQfBlJ0PoMMcN/+Pks8ZTL1BoPYsJpok
# t6cql59q6CypZYIwgyJ892HpttybHKg1ZtQLUlSXccRMlugPgEcNZJagPEgPYni4
# b11snjRAgf0dyQ0zI9aLXqTxWUU5pCIFiPT0b2wsxzRqCtyGqpkGM8P9GazO8eao
# mVItCYBcJSByBx/pS0cSYwBBHAZxJODUqxSXoSGDvmTfqUJXntnWkL4okok1FiCD
# Z4jpyXOQunb6egIXvkgQ7jb2uO26Ow0m8RwleDvhOMrnHsupiOPbozKroSa6paFt
# VSh89abUSooR8QdZciemmoFhcWkEwFg4spzvYNP4nIs193261WyTaRMZoceGun7G
# CT2Rl653uUj+F+g94c63AhzSq4khdL4HlFIP2ePv29smfUnHtGq6yYFDLnT0q/Y+
# Di3jwloF8EWkkHRtSuXlFUbTmwr/lDDgbpZiKhLS7CBTDj32I0L5i532+uHczw82
# oZDmYmYmIUSMbZOgS65h797rj5JJ6OkeEUJoAVwwggd6MIIFYqADAgECAgphDpDS
# AAAAAAADMA0GCSqGSIb3DQEBCwUAMIGIMQswCQYDVQQGEwJVUzETMBEGA1UECBMK
# V2FzaGluZ3RvbjEQMA4GA1UEBxMHUmVkbW9uZDEeMBwGA1UEChMVTWljcm9zb2Z0
# IENvcnBvcmF0aW9uMTIwMAYDVQQDEylNaWNyb3NvZnQgUm9vdCBDZXJ0aWZpY2F0
# ZSBBdXRob3JpdHkgMjAxMTAeFw0xMTA3MDgyMDU5MDlaFw0yNjA3MDgyMTA5MDla
# MH4xCzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdS
# ZWRtb25kMR4wHAYDVQQKExVNaWNyb3NvZnQgQ29ycG9yYXRpb24xKDAmBgNVBAMT
# H01pY3Jvc29mdCBDb2RlIFNpZ25pbmcgUENBIDIwMTEwggIiMA0GCSqGSIb3DQEB
# AQUAA4ICDwAwggIKAoICAQCr8PpyEBwurdhuqoIQTTS68rZYIZ9CGypr6VpQqrgG
# OBoESbp/wwwe3TdrxhLYC/A4wpkGsMg51QEUMULTiQ15ZId+lGAkbK+eSZzpaF7S
# 35tTsgosw6/ZqSuuegmv15ZZymAaBelmdugyUiYSL+erCFDPs0S3XdjELgN1q2jz
# y23zOlyhFvRGuuA4ZKxuZDV4pqBjDy3TQJP4494HDdVceaVJKecNvqATd76UPe/7
# 4ytaEB9NViiienLgEjq3SV7Y7e1DkYPZe7J7hhvZPrGMXeiJT4Qa8qEvWeSQOy2u
# M1jFtz7+MtOzAz2xsq+SOH7SnYAs9U5WkSE1JcM5bmR/U7qcD60ZI4TL9LoDho33
# X/DQUr+MlIe8wCF0JV8YKLbMJyg4JZg5SjbPfLGSrhwjp6lm7GEfauEoSZ1fiOIl
# XdMhSz5SxLVXPyQD8NF6Wy/VI+NwXQ9RRnez+ADhvKwCgl/bwBWzvRvUVUvnOaEP
# 6SNJvBi4RHxF5MHDcnrgcuck379GmcXvwhxX24ON7E1JMKerjt/sW5+v/N2wZuLB
# l4F77dbtS+dJKacTKKanfWeA5opieF+yL4TXV5xcv3coKPHtbcMojyyPQDdPweGF
# RInECUzF1KVDL3SV9274eCBYLBNdYJWaPk8zhNqwiBfenk70lrC8RqBsmNLg1oiM
# CwIDAQABo4IB7TCCAekwEAYJKwYBBAGCNxUBBAMCAQAwHQYDVR0OBBYEFEhuZOVQ
# BdOCqhc3NyK1bajKdQKVMBkGCSsGAQQBgjcUAgQMHgoAUwB1AGIAQwBBMAsGA1Ud
# DwQEAwIBhjAPBgNVHRMBAf8EBTADAQH/MB8GA1UdIwQYMBaAFHItOgIxkEO5FAVO
# 4eqnxzHRI4k0MFoGA1UdHwRTMFEwT6BNoEuGSWh0dHA6Ly9jcmwubWljcm9zb2Z0
# LmNvbS9wa2kvY3JsL3Byb2R1Y3RzL01pY1Jvb0NlckF1dDIwMTFfMjAxMV8wM18y
# Mi5jcmwwXgYIKwYBBQUHAQEEUjBQME4GCCsGAQUFBzAChkJodHRwOi8vd3d3Lm1p
# Y3Jvc29mdC5jb20vcGtpL2NlcnRzL01pY1Jvb0NlckF1dDIwMTFfMjAxMV8wM18y
# Mi5jcnQwgZ8GA1UdIASBlzCBlDCBkQYJKwYBBAGCNy4DMIGDMD8GCCsGAQUFBwIB
# FjNodHRwOi8vd3d3Lm1pY3Jvc29mdC5jb20vcGtpb3BzL2RvY3MvcHJpbWFyeWNw
# cy5odG0wQAYIKwYBBQUHAgIwNB4yIB0ATABlAGcAYQBsAF8AcABvAGwAaQBjAHkA
# XwBzAHQAYQB0AGUAbQBlAG4AdAAuIB0wDQYJKoZIhvcNAQELBQADggIBAGfyhqWY
# 4FR5Gi7T2HRnIpsLlhHhY5KZQpZ90nkMkMFlXy4sPvjDctFtg/6+P+gKyju/R6mj
# 82nbY78iNaWXXWWEkH2LRlBV2AySfNIaSxzzPEKLUtCw/WvjPgcuKZvmPRul1LUd
# d5Q54ulkyUQ9eHoj8xN9ppB0g430yyYCRirCihC7pKkFDJvtaPpoLpWgKj8qa1hJ
# Yx8JaW5amJbkg/TAj/NGK978O9C9Ne9uJa7lryft0N3zDq+ZKJeYTQ49C/IIidYf
# wzIY4vDFLc5bnrRJOQrGCsLGra7lstnbFYhRRVg4MnEnGn+x9Cf43iw6IGmYslmJ
# aG5vp7d0w0AFBqYBKig+gj8TTWYLwLNN9eGPfxxvFX1Fp3blQCplo8NdUmKGwx1j
# NpeG39rz+PIWoZon4c2ll9DuXWNB41sHnIc+BncG0QaxdR8UvmFhtfDcxhsEvt9B
# xw4o7t5lL+yX9qFcltgA1qFGvVnzl6UJS0gQmYAf0AApxbGbpT9Fdx41xtKiop96
# eiL6SJUfq/tHI4D1nvi/a7dLl+LrdXga7Oo3mXkYS//WsyNodeav+vyL6wuA6mk7
# r/ww7QRMjt/fdW1jkT3RnVZOT7+AVyKheBEyIXrvQQqxP/uozKRdwaGIm1dxVk5I
# RcBCyZt2WwqASGv9eZ/BvW1taslScxMNelDNMYIVczCCFW8CAQEwgZUwfjELMAkG
# A1UEBhMCVVMxEzARBgNVBAgTCldhc2hpbmd0b24xEDAOBgNVBAcTB1JlZG1vbmQx
# HjAcBgNVBAoTFU1pY3Jvc29mdCBDb3Jwb3JhdGlvbjEoMCYGA1UEAxMfTWljcm9z
# b2Z0IENvZGUgU2lnbmluZyBQQ0EgMjAxMQITMwAAAd9r8C6Sp0q00AAAAAAB3zAN
# BglghkgBZQMEAgEFAKCBsDAZBgkqhkiG9w0BCQMxDAYKKwYBBAGCNwIBBDAcBgor
# BgEEAYI3AgELMQ4wDAYKKwYBBAGCNwIBFTAvBgkqhkiG9w0BCQQxIgQg+nRYLAyb
# rSs5a7c3IkMVHp1bvTO71/Acys+V48+dKM8wRAYKKwYBBAGCNwIBDDE2MDSgFIAS
# AE0AaQBjAHIAbwBzAG8AZgB0oRyAGmh0dHBzOi8vd3d3Lm1pY3Jvc29mdC5jb20g
# MA0GCSqGSIb3DQEBAQUABIIBAIL4ErjlwTPENhJyqKM99KyKiR5/IZ1HTSyfXlbJ
# Q9kSYMKpiRtgagkR3ITUQ9/RyupdfOtDV8LuBYB/JwCLo4DOzqGyRp9lqxKCu6gB
# KxafjnKd9JvEbR/YEN1NpHs3jiy+fMI/kXCkiuZb9x+6pK+797c/GzOacV5fZmWV
# Gl6OjKaY2SRbfVppXNaeGSOjqvjIJzvQejrVQTtgW1xUH/htBnFwbBnBTMht1Mo9
# G9vlHa3CA+9Mq3BefOAoJlhkDyLv+A1D9u/7+yM7zKFZ51azbxpfNX1OpAk+WmFX
# 1wpYtHdyO7Us34X8vn5f/Jc8/OVDGjTB7sz95emFjWLwdXWhghL7MIIS9wYKKwYB
# BAGCNwMDATGCEucwghLjBgkqhkiG9w0BBwKgghLUMIIS0AIBAzEPMA0GCWCGSAFl
# AwQCAQUAMIIBWQYLKoZIhvcNAQkQAQSgggFIBIIBRDCCAUACAQEGCisGAQQBhFkK
# AwEwMTANBglghkgBZQMEAgEFAAQgT4RQeGRLM1rwONe7DrhYCx3vDYK5DdnKzo0i
# FiupqUACBmBjTrk9QBgTMjAyMTA0MjAxMTM1MzcuNjAzWjAEgAIB9KCB2KSB1TCB
# 0jELMAkGA1UEBhMCVVMxEzARBgNVBAgTCldhc2hpbmd0b24xEDAOBgNVBAcTB1Jl
# ZG1vbmQxHjAcBgNVBAoTFU1pY3Jvc29mdCBDb3Jwb3JhdGlvbjEtMCsGA1UECxMk
# TWljcm9zb2Z0IElyZWxhbmQgT3BlcmF0aW9ucyBMaW1pdGVkMSYwJAYDVQQLEx1U
# aGFsZXMgVFNTIEVTTjo4NkRGLTRCQkMtOTMzNTElMCMGA1UEAxMcTWljcm9zb2Z0
# IFRpbWUtU3RhbXAgU2VydmljZaCCDkowggT5MIID4aADAgECAhMzAAABPs7Kd1LF
# 9zQrAAAAAAE+MA0GCSqGSIb3DQEBCwUAMHwxCzAJBgNVBAYTAlVTMRMwEQYDVQQI
# EwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRtb25kMR4wHAYDVQQKExVNaWNyb3Nv
# ZnQgQ29ycG9yYXRpb24xJjAkBgNVBAMTHU1pY3Jvc29mdCBUaW1lLVN0YW1wIFBD
# QSAyMDEwMB4XDTIwMTAxNTE3MjgyNVoXDTIyMDExMjE3MjgyNVowgdIxCzAJBgNV
# BAYTAlVTMRMwEQYDVQQIEwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRtb25kMR4w
# HAYDVQQKExVNaWNyb3NvZnQgQ29ycG9yYXRpb24xLTArBgNVBAsTJE1pY3Jvc29m
# dCBJcmVsYW5kIE9wZXJhdGlvbnMgTGltaXRlZDEmMCQGA1UECxMdVGhhbGVzIFRT
# UyBFU046ODZERi00QkJDLTkzMzUxJTAjBgNVBAMTHE1pY3Jvc29mdCBUaW1lLVN0
# YW1wIFNlcnZpY2UwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC8VMTI
# PNl+nCzjTiBILSS3hVLJf+9rHA5+uLz2BB3G99A2+9ABF5spHemWofPRkdlb5uYX
# HIa1OH3PDbQtJ2kxxZgMVzWvM+4m9M0CcOQrJA/5OqtbuP+UOUItuqLy5ujgSpKm
# QetrRm3XmPav8gkZlu7dBpFjqpgxnHGSTDhjm5sDBXcTWn5M3MWDyfOAn2TAQzjG
# 9kB/02EeEzYr+PHT3bGYrHIV+nRfS1uhj13U7KF0JeXyyk6KATfaDzMfXZjY1dN8
# jjXjUtBT710o4pDtgUXWTCh+4YbDExTQKwOKY4NaCvpUVVw0N3a1Bsa5uB18sEYQ
# F+N7Q/Kg45cQ7WbhAgMBAAGjggEbMIIBFzAdBgNVHQ4EFgQUk1rznfi70GIta/C1
# tlQOtoaI/XswHwYDVR0jBBgwFoAU1WM6XIoxkPNDe3xGG8UzaFqFbVUwVgYDVR0f
# BE8wTTBLoEmgR4ZFaHR0cDovL2NybC5taWNyb3NvZnQuY29tL3BraS9jcmwvcHJv
# ZHVjdHMvTWljVGltU3RhUENBXzIwMTAtMDctMDEuY3JsMFoGCCsGAQUFBwEBBE4w
# TDBKBggrBgEFBQcwAoY+aHR0cDovL3d3dy5taWNyb3NvZnQuY29tL3BraS9jZXJ0
# cy9NaWNUaW1TdGFQQ0FfMjAxMC0wNy0wMS5jcnQwDAYDVR0TAQH/BAIwADATBgNV
# HSUEDDAKBggrBgEFBQcDCDANBgkqhkiG9w0BAQsFAAOCAQEAprP5EX1an4aSuRWP
# pxjl2MJ1V6kkXK58AEnWoqUJZeE6hgBwHvDtnHNELhnaJjhtz1BT3exrZgPCFDAU
# 96p8pl9ZKSaty6zj1AH0QY9z0XAiB8FArYAm2FpgTKxNrBLjR/rJzrD/Jui0ByWo
# UCv4E8O3TMZmgTG8ZzxmlUBmm9LJdvMYu4q2bwr5HvdULgNSnixEVyTULHwgu9h1
# hI1io5HKHQbCLe/gdabDoe61p8U50WNopARxKyfRI0t9jbmo6qe7oMv40CjvPeoP
# R4EMhKKVahvl2WUNw41+y731QS06ett2Xb3bIY0jLGKWkjxcY2AZxnEo3pWosHEC
# 4qVY5jCCBnEwggRZoAMCAQICCmEJgSoAAAAAAAIwDQYJKoZIhvcNAQELBQAwgYgx
# CzAJBgNVBAYTAlVTMRMwEQYDVQQIEwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRt
# b25kMR4wHAYDVQQKExVNaWNyb3NvZnQgQ29ycG9yYXRpb24xMjAwBgNVBAMTKU1p
# Y3Jvc29mdCBSb290IENlcnRpZmljYXRlIEF1dGhvcml0eSAyMDEwMB4XDTEwMDcw
# MTIxMzY1NVoXDTI1MDcwMTIxNDY1NVowfDELMAkGA1UEBhMCVVMxEzARBgNVBAgT
# Cldhc2hpbmd0b24xEDAOBgNVBAcTB1JlZG1vbmQxHjAcBgNVBAoTFU1pY3Jvc29m
# dCBDb3Jwb3JhdGlvbjEmMCQGA1UEAxMdTWljcm9zb2Z0IFRpbWUtU3RhbXAgUENB
# IDIwMTAwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCpHQ28dxGKOiDs
# /BOX9fp/aZRrdFQQ1aUKAIKF++18aEssX8XD5WHCdrc+Zitb8BVTJwQxH0EbGpUd
# zgkTjnxhMFmxMEQP8WCIhFRDDNdNuDgIs0Ldk6zWczBXJoKjRQ3Q6vVHgc2/JGAy
# WGBG8lhHhjKEHnRhZ5FfgVSxz5NMksHEpl3RYRNuKMYa+YaAu99h/EbBJx0kZxJy
# GiGKr0tkiVBisV39dx898Fd1rL2KQk1AUdEPnAY+Z3/1ZsADlkR+79BL/W7lmsqx
# qPJ6Kgox8NpOBpG2iAg16HgcsOmZzTznL0S6p/TcZL2kAcEgCZN4zfy8wMlEXV4W
# nAEFTyJNAgMBAAGjggHmMIIB4jAQBgkrBgEEAYI3FQEEAwIBADAdBgNVHQ4EFgQU
# 1WM6XIoxkPNDe3xGG8UzaFqFbVUwGQYJKwYBBAGCNxQCBAweCgBTAHUAYgBDAEEw
# CwYDVR0PBAQDAgGGMA8GA1UdEwEB/wQFMAMBAf8wHwYDVR0jBBgwFoAU1fZWy4/o
# olxiaNE9lJBb186aGMQwVgYDVR0fBE8wTTBLoEmgR4ZFaHR0cDovL2NybC5taWNy
# b3NvZnQuY29tL3BraS9jcmwvcHJvZHVjdHMvTWljUm9vQ2VyQXV0XzIwMTAtMDYt
# MjMuY3JsMFoGCCsGAQUFBwEBBE4wTDBKBggrBgEFBQcwAoY+aHR0cDovL3d3dy5t
# aWNyb3NvZnQuY29tL3BraS9jZXJ0cy9NaWNSb29DZXJBdXRfMjAxMC0wNi0yMy5j
# cnQwgaAGA1UdIAEB/wSBlTCBkjCBjwYJKwYBBAGCNy4DMIGBMD0GCCsGAQUFBwIB
# FjFodHRwOi8vd3d3Lm1pY3Jvc29mdC5jb20vUEtJL2RvY3MvQ1BTL2RlZmF1bHQu
# aHRtMEAGCCsGAQUFBwICMDQeMiAdAEwAZQBnAGEAbABfAFAAbwBsAGkAYwB5AF8A
# UwB0AGEAdABlAG0AZQBuAHQALiAdMA0GCSqGSIb3DQEBCwUAA4ICAQAH5ohRDeLG
# 4Jg/gXEDPZ2joSFvs+umzPUxvs8F4qn++ldtGTCzwsVmyWrf9efweL3HqJ4l4/m8
# 7WtUVwgrUYJEEvu5U4zM9GASinbMQEBBm9xcF/9c+V4XNZgkVkt070IQyK+/f8Z/
# 8jd9Wj8c8pl5SpFSAK84Dxf1L3mBZdmptWvkx872ynoAb0swRCQiPM/tA6WWj1kp
# vLb9BOFwnzJKJ/1Vry/+tuWOM7tiX5rbV0Dp8c6ZZpCM/2pif93FSguRJuI57BlK
# cWOdeyFtw5yjojz6f32WapB4pm3S4Zz5Hfw42JT0xqUKloakvZ4argRCg7i1gJsi
# OCC1JeVk7Pf0v35jWSUPei45V3aicaoGig+JFrphpxHLmtgOR5qAxdDNp9DvfYPw
# 4TtxCd9ddJgiCGHasFAeb73x4QDf5zEHpJM692VHeOj4qEir995yfmFrb3epgcun
# Caw5u+zGy9iCtHLNHfS4hQEegPsbiSpUObJb2sgNVZl6h3M7COaYLeqN4DMuEin1
# wC9UJyH3yKxO2ii4sanblrKnQqLJzxlBTeCG+SqaoxFmMNO7dDJL32N79ZmKLxvH
# Ia9Zta7cRDyXUHHXodLFVeNp3lfB0d4wwP3M5k37Db9dT+mdHhk4L7zPWAUu7w2g
# UDXa7wknHNWzfjUeCLraNtvTX4/edIhJEqGCAtQwggI9AgEBMIIBAKGB2KSB1TCB
# 0jELMAkGA1UEBhMCVVMxEzARBgNVBAgTCldhc2hpbmd0b24xEDAOBgNVBAcTB1Jl
# ZG1vbmQxHjAcBgNVBAoTFU1pY3Jvc29mdCBDb3Jwb3JhdGlvbjEtMCsGA1UECxMk
# TWljcm9zb2Z0IElyZWxhbmQgT3BlcmF0aW9ucyBMaW1pdGVkMSYwJAYDVQQLEx1U
# aGFsZXMgVFNTIEVTTjo4NkRGLTRCQkMtOTMzNTElMCMGA1UEAxMcTWljcm9zb2Z0
# IFRpbWUtU3RhbXAgU2VydmljZaIjCgEBMAcGBSsOAwIaAxUAoEwV6PTGMJOMKTWx
# N1Mpr5PMkNSggYMwgYCkfjB8MQswCQYDVQQGEwJVUzETMBEGA1UECBMKV2FzaGlu
# Z3RvbjEQMA4GA1UEBxMHUmVkbW9uZDEeMBwGA1UEChMVTWljcm9zb2Z0IENvcnBv
# cmF0aW9uMSYwJAYDVQQDEx1NaWNyb3NvZnQgVGltZS1TdGFtcCBQQ0EgMjAxMDAN
# BgkqhkiG9w0BAQUFAAIFAOQo0zUwIhgPMjAyMTA0MjAxMjEyMzdaGA8yMDIxMDQy
# MTEyMTIzN1owdDA6BgorBgEEAYRZCgQBMSwwKjAKAgUA5CjTNQIBADAHAgEAAgIG
# 1zAHAgEAAgIRdzAKAgUA5CoktQIBADA2BgorBgEEAYRZCgQCMSgwJjAMBgorBgEE
# AYRZCgMCoAowCAIBAAIDB6EgoQowCAIBAAIDAYagMA0GCSqGSIb3DQEBBQUAA4GB
# AOYafafaYV6AVkvFQxaoypKsYwa4PEZ5jgJ7TJDLfhUhIHFt0QYvJP6OLUqH535g
# 36hJyLpAwuths7IsdgSpXFVAm7wU/0gxryGeSO8NrV5iShZRwn0QSOqXoeaVxUk+
# UQJVewsLJZl53HleRXARqOfdshHR0xRM6C8K8J1HbnDDMYIDDTCCAwkCAQEwgZMw
# fDELMAkGA1UEBhMCVVMxEzARBgNVBAgTCldhc2hpbmd0b24xEDAOBgNVBAcTB1Jl
# ZG1vbmQxHjAcBgNVBAoTFU1pY3Jvc29mdCBDb3Jwb3JhdGlvbjEmMCQGA1UEAxMd
# TWljcm9zb2Z0IFRpbWUtU3RhbXAgUENBIDIwMTACEzMAAAE+zsp3UsX3NCsAAAAA
# AT4wDQYJYIZIAWUDBAIBBQCgggFKMBoGCSqGSIb3DQEJAzENBgsqhkiG9w0BCRAB
# BDAvBgkqhkiG9w0BCQQxIgQgnGovaUVdzJnrQCdYmUIkOI/8YS0IL3Vi1X2lUMI7
# giYwgfoGCyqGSIb3DQEJEAIvMYHqMIHnMIHkMIG9BCCL686Nqo1O8o5ka63j0deu
# q3BSPZkKdU66sHB+BDGbEzCBmDCBgKR+MHwxCzAJBgNVBAYTAlVTMRMwEQYDVQQI
# EwpXYXNoaW5ndG9uMRAwDgYDVQQHEwdSZWRtb25kMR4wHAYDVQQKExVNaWNyb3Nv
# ZnQgQ29ycG9yYXRpb24xJjAkBgNVBAMTHU1pY3Jvc29mdCBUaW1lLVN0YW1wIFBD
# QSAyMDEwAhMzAAABPs7Kd1LF9zQrAAAAAAE+MCIEIPRny9C6O8VA2RST29r4H0f3
# JdBUgJX89xpZEp8DPXWwMA0GCSqGSIb3DQEBCwUABIIBAChgoRtgNQLCEMiz6q9u
# gMFD09QdgQs4EwmAGxHgFw1NQsXxlR5CysmcMqm0Ftm7pcHKMwAkABfkz26m8zcI
# XDQtTyvYvWTxN2/l2zKyz41x7eYoxKfhptUzurOCj+mqPdUyyZ+xWdSMl9tieDal
# RYFhMbiKPBoelpg/wUT7fWsAKi/qaB95ZLENHe9UCnTa08SUfWpPiM0ZNsQplTVl
# 6TTtlXAAVCVHuI2hnW1+OP7WBkDRt4N+vBdpwSblT2M33p8z2Hceoe6g6v2SBZA5
# 6PVzxeZtaJDOTE8FW0s0FR51/Nu5Y8uzIBcBzUeXqpIIaLdin3dKTJIprAbrFVyy
# BPU=
# SIG # End signature block