Connect-MS365.psm1

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#.ExternalHelp Connect-MS365-help.xml
<#
.SYNOPSIS
Connects to a given online service of Microsoft.
 
.DESCRIPTION
Connects to a given online service of Microsoft.
One or multiple service names can be chosen. Supports connection handling for
- Microsoft Online (MSOL) - aka AzureAD v1
- Exchange Online (EOL)
- Teams
- SharePoint Online (SPO)
- Security and Compliance Center (SCC)
- Azure ActiveDirectory (AAD) v2
 
.PARAMETER Service
Specifies the service to connect to. May be a list of multiple services to use.
 
.PARAMETER MFA
Toggles MFA usage. Not requesting PSCredential object.
 
.INPUTS
None. You cannot pipe objects to Add-Extension.
 
.OUTPUTS
// <OBJECTTYPE>. TBD.
 
.EXAMPLE
Description: Connect to Microsoft Online without using MFA
Connect-MS365 -Service MSOL
 
.EXAMPLE
Description: Connect to Microsoft Online by using MFA
Connect-MS365 -Service MSOL -MFA
 
.EXAMPLE
Description: Connect to Microsoft Online and Exchange Online by using MFA
Connect-MS365 -Service MSOL,EOL -MFA
 
.EXAMPLE
Description: Connect to SharePoint Online without MFA to connect to MyName-admin.sharepoint.com
Connect-MS365 -Service SPO -SPOOrgName MyName
 
.EXAMPLE
Description: Connect to SharePoint Online with MFA to connect to MyName-admin.sharepoint.com
Connect-MS365 -Service SPO -SPOOrgName MyName -MFA
 
.EXAMPLE
Description: Connect to Security and Compliance Center with MFA
Connect-MS365 -Service SCC -MFA
 
.EXAMPLE
Description: Connect to Azure ActiveDirectory with MFA
Connect-MS365 -Service AAD -MFA
 
.LINK
https://github.com/blindzero/Connect-MS365
 
#>

function Connect-MS365 {

    [OutputType()]
    [CmdletBinding(DefaultParameterSetName)]
    param (
        #service parameter to define to which services to connect to
        #are validated against available / implemented services
        [Parameter(Mandatory=$True, Position = 1)]
        [ValidateSet('MSOL','EOL','Teams','SPO','SCC','AAD')]
        [string]
        $Service,
        #spoorg parameter for connection to SPO service
        #needed by connect cmdlet to assemble admin Url
        [Parameter(Mandatory=$False, Position = 2)]
        [string]
        [Alias('SPOOrg')]
        $SPOOrgName,
        #mfa parameter if mfa authentication is necessary
        #used later to determine different connection commands and is not using PScredential object
        [Parameter(Mandatory=$False, Position = 3, ParameterSetName = 'MFA')]
        [Switch]
        $MFA,
        #Credential parameter to receive previously created PSCredential object.
        #Primarily needed for testing calls
        [Parameter(Mandatory=$False, Position = 3, ParameterSetName = 'Credential')]
        [PSCredential]
        $Credential
    )

    # dont gather PSCredential object if MFA is set
    If (($MFA -ne $True) -and (!($Credential))) {
        Write-Verbose "Gathering PSCredentials object for non MFA sign on"
        $Credential = Get-Credential -Message "Please enter your Office 365 credentials"
    }
    
    # iterating through each service listed in service parameter
    # each service is passing PSCredential object if MFA not set or leaves it out if set
    ForEach ($ServiceItem in $Service) {
        Write-Verbose "Create session to Service $ServiceItem"
        Switch($ServiceItem) {
            # Microsoft Online service
            MSOL {
                if ($MFA) {
                    Connect-MSOL
                }
                else {
                    Connect-MSOL -Credential $Credential
                }
                continue
            }
            # Exchange Online service
            EOL {
                if ($MFA) {
                    Connect-EOL
                }
                else {
                    Connect-EOL -Credential $Credential
                }
                continue
            }
            # Teams service
            Teams {
                if ($MFA) {
                    Connect-Teams
                }
                else {
                    Connect-Teams -Credential $Credential
                }
                continue
            }
            # Security and Compliance Center
            SCC {
                if ($MFA) {
                    Connect-SCC
                }
                else {
                    Connect-SCC -Credential $Credential
                }
                continue
            }
            # AzureAD
            AAD {
                if ($MFA) {
                    Connect-AAD
                }
                else {
                    Connect-AAD -Credential $Credential
                }
                continue
            }
            # SPO service
            SPO {
                If (!($SPOOrgName)) {
                    Write-Error 'To connect to SharePoint Online you have to provide the -SPOOrgName parameter.'
                    continue
                }
                Else {
                    Write-Verbose "Assembling SPOOrgUrl from $SPOOrgName"
                    $SPOOrgUrl = "https://$($SPOOrgName)-admin.sharepoint.com"
                    Write-Verbose "Created $SPOOrgUrl"
                }
                
                if ($MFA) {
                    Write-Verbose "Connecting to SharePoint Online at $SPOOrgUrl without Credential"
                    Connect-SPO -SPOOrgUrl $SPOOrgUrl
                }
                else {
                    Write-Verbose "Connecting to SharePoint Online at $SPOOrgUrl with $Credential"
                    Connect-SPO -SPOOrgUrl $SPOOrgUrl -Credential $Credential
                }
                continue
            }
        }
        Write-Verbose "Create session to Service $ServiceItem done."
    }

    Write-Verbose "Connect-MS365 terminated."
}

# Export only the functions using PowerShell standard verb-noun naming.
# Be sure to list each exported functions in the FunctionsToExport field of the module manifest file.
# This improves performance of command discovery in PowerShell.
Export-ModuleMember -Function Connect-MS365
function Install-MS365Module {
    [CmdletBinding()]
    param (
        # service module to be installed, must be known service
        [Parameter(Mandatory=$True,Position=1)]
        [ValidateSet('MSOL','EOL','Teams','SPO','SCC','AAD')]
        [String]
        $Service
    )

    <#
    .SYNOPSIS
 
    Installs modules to connect for a given service.
 
    .DESCRIPTION
 
    Installs modules to connect for a given service.
    Service name needs to be passed.
 
    .PARAMETER Service
    Name of service to check installed modules for.
 
    .INPUTS
 
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
 
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
 
    Install-MS365Module -Service MSOL
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>


    switch($Service) {
        MSOL {
            $ModuleName = "MSOnline"
        }
        {($_ -eq "EOL") -or ($_ -eq "SCC")} {
            $ModuleName = "ExchangeOnlineManagement"
        }
        Teams {
            $ModuleName = "MicrosoftTeams"
        }
        SPO {
            $ModuleName = "Microsoft.Online.SharePoint.PowerShell"
        }
        AAD {
            $ModuleName = "AzureAD"
        }
    }

    $InstallCommand = "-Command &{ Install-Module -Name $ModuleName -Scope AllUsers }"
    $InstallChoice = Read-Host -Prompt "$ModuleName Module is not present! Install it (Y/n)"
    If (($InstallChoice -eq "") -or ($InstallChoice -eq "y") -or ($InstallChoice -eq "Y")) {
        try {
            Start-Process -Filepath powershell -ArgumentList $InstallCommand -Verb RunAs -Wait
        }
        catch {
            $ErrorMessage = $_.Exception.Message
            Write-Error -Message "Could not install Module $ModuleName.`n$ErrorMessage" -Category ConnectionError
            Break
        }
        continue
    }
}

function Set-WindowTitle {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$True,Position=1)]
        [String]
        $Service
    )

    <#
    .SYNOPSIS
 
    Sets Window Title if connection was successful.
 
    .DESCRIPTION
 
    Sets Window Title if connection was successful.
    Adds prefix if not already set.
 
    .PARAMETER Service
    Name of service to put in Window title.
 
    .INPUTS
 
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
 
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
 
    Set-WindowTitle -Service MSOL
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>

    If (($host.ui.RawUI.WindowTitle) -notlike "*$ServiceItem*" ) {
        If (($host.ui.RawUI.WindowTitle) -notlike "*Connected To:*") {
                $host.ui.RawUI.WindowTitle += " -- Connected To: $ServiceItem"
        }
        Else {
            $host.ui.RawUI.WindowTitle += " || $ServiceItem"
        }
    }
}
function Test-MS365Module {
    [CmdletBinding()]
    param (
        # service module to be tested, must be known service
        [Parameter(Mandatory=$True,Position=1)]
        [ValidateSet('MSOL','EOL','Teams','SPO','SCC','AAD')]
        [String]
        $Service
    )

    <#
    .SYNOPSIS
 
    Checks if a module of a given service to connect is installed.
 
    .DESCRIPTION
 
    Checks if a module of a given service to connect is installed.
    Service name needs to be passed.
 
    .PARAMETER Service
    Name of service to check installed modules for.
 
    .INPUTS
 
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
 
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
 
    Test-MS365Module -Service MSOL
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>


    # Set Splatting argument list for Get-Module used to determine if module is existing
    $GetModulesSplat = @{
        ListAvailable = $True
        Verbose          = $False
    }

    # TODO #10: changing to settings array containing module names making switch unnecessary

    Switch($Service) {
        # Microsoft Online Service
        MSOL {
            If ($null -eq (Get-Module @GetModulesSplat -Name "MSOnline")) {
                $False
            }
            Else {
                $True
            }
        }
        # Exchange Online Service or Security Compliance Center
        {($_ -eq "EOL") -or ($_ -eq "SCC")} {
            If ($null -eq (Get-Module @GetModulesSplat -Name "ExchangeOnlineManagement")) {
                $False
            }
            Else {
                $True
            }
        }
        # Teams
        Teams {
            If ($null -eq (Get-Module @GetModulesSplat -Name "MicrosoftTeams")) {
                $False
            }
            Else {
                $True
            }
        }
        # SPO
        SPO {
            If ($null -eq (Get-Module @GetModulesSplat -Name "Microsoft.Online.SharePoint.PowerShell")) {
                $False
            }
            Else {
                $True
            }
        }
        # AzureAD
        AAD {
            If ($null -eq (Get-Module @GetModulesSplat -Name "AzureAD")) {
                $False
            }
            Else {
                $True
            }
        }
    }
}

function Connect-AAD {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$False,Position=1)]
        [PSCredential]
        $Credential
    )

    <#
    .SYNOPSIS
 
    Connects to Microsoft Azure ActiveDirectory (AzureAD / AAD) service.
 
    .DESCRIPTION
 
    Connects to Microsoft Azure ActiveDirectory (AzureAD / AAD) service.
 
    .PARAMETER Credential
 
    PSCredential object containing user credentials.
 
    .INPUTS
 
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
 
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
 
    PS> Connect-AAD -Credential $Credential
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>


    # testing if module is available
    while (!(Test-MS365Module -Service $ServiceItem)) {
        # and install if not available
        Install-MS365Module -Service $ServiceItem
    }
    try {
        # if MFA is set connect without PScredential object as modern authentication will be used
        if ($MFA) {
            Connect-AzureAD | Out-Null
        }
        # or pass PSCredential object it will asked if not created earlier
        else {
            Connect-AzureAD -Credential $Credential | Out-Null
        }
    }
    catch {
        $ErrorMessage = $_.Exception.Message
        Write-Error -Message "Could not connect to $ServiceItem.`n$ErrorMessage" -Category ConnectionError
        Break
    }
    # set service name into window title if successfully connected
    Set-WindowTitle -Service $ServiceItem
}
function Connect-EOL {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$False,Position=1)]
        [PSCredential]
        $Credential
    )

    <#
    .SYNOPSIS
 
    Connects to Microsoft Exchange Online service.
 
    .DESCRIPTION
 
    Connects to Microsoft Exchange Online service.
 
    .PARAMETER Credential
 
    PSCredential object containing user credentials.
 
    .INPUTS
 
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
 
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
 
    PS> Connect-EOL -Credential $Credential
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>


    # testing if module is available
    while (!(Test-MS365Module -Service $ServiceItem)) {
        # and install if not available
        Install-MS365Module -Service $ServiceItem
    }
    try {
        # if MFA is set connect without PScredential object as modern authentication will be used
        if ($MFA) {
            Connect-ExchangeOnline -ShowProgress $true
        }
        # or pass PSCredential object it will asked if not created earlier
        else {
            Connect-ExchangeOnline -Credential $Credential -ShowProgress $true
        }
    }
    catch {
        $ErrorMessage = $_.Exception.Message
        Write-Error -Message "Could not connect to $ServiceItem.`n$ErrorMessage" -Category ConnectionError
        Break
    }
    # set service name into window title if successfully connected
    Set-WindowTitle -Service $ServiceItem
}
function Connect-MSOL {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$False,Position=1)]
        [PSCredential]
        $Credential
    )

    <#
    .SYNOPSIS
 
    Connects to Microsoft Online service.
 
    .DESCRIPTION
 
    Connects to Microsoft Online service.
 
    .PARAMETER Credential
 
    PSCredential object containing user credentials.
 
    .INPUTS
 
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
 
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
 
    PS> Connect-MSOL -Credential $Credential
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>


    # testing if module is available
    while (!(Test-MS365Module -Service $ServiceItem)) {
        # and install if not available
        Install-MS365Module -Service $ServiceItem
    }
    try {
        # if MFA is set connect without PScredential object as modern authentication will be used
        if ($MFA) {
            Connect-MsolService -ErrorAction Stop
        }
        # or pass PSCredential object it will asked if not created earlier
        else {
            Connect-MsolService -Credential $Credential -ErrorAction Stop
        }
    }
    catch {
        $ErrorMessage = $_.Exception.Message
        Write-Error -Message "Could not connect to $ServiceItem.`n$ErrorMessage" -Category ConnectionError
        Break
    }
    # set service name into window title if successfully connected
    Set-WindowTitle -Service $ServiceItem
}
function Connect-SCC {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$False,Position=1)]
        [PSCredential]
        $Credential
    )

    <#
    .SYNOPSIS
 
    Connects to Microsoft Security and Comliance Center.
 
    .DESCRIPTION
 
    Connects to Microsoft Security and Comliance Center.
 
    .PARAMETER Credential
 
    PSCredential object containing user credentials.
 
    .INPUTS
 
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
 
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
 
    PS> Connect-SCC -Credential $Credential
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>


    # testing if module is available
    while (!(Test-MS365Module -Service $ServiceItem)) {
        # and install if not available
        Install-MS365Module -Service $ServiceItem
    }
    try {
        # if MFA is set connect without PScredential object as modern authentication will be used
        if ($MFA) {
            Connect-IPPSSession
        }
        # or pass PSCredential object it will asked if not created earlier
        else {
            Connect-IPPSSession -Credential $Credential
        }
    }
    catch {
        $ErrorMessage = $_.Exception.Message
        Write-Error -Message "Could not connect to $ServiceItem.`n$ErrorMessage" -Category ConnectionError
        Break
    }
    # set service name into window title if successfully connected
    Set-WindowTitle -Service $ServiceItem
}
function Connect-SPO {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$True,Position = 1)]
        [String]
        $SPOOrgUrl,
        [Parameter(Mandatory=$False,Position = 2)]
        [PSCredential]
        $Credential
    )

    <#
    .SYNOPSIS
    Connects to Microsoft SharePoint Online service.
 
    .DESCRIPTION
    Connects to Microsoft SharePoint Online service.
 
    .PARAMETER SPOOrgUrl
    String object containing the SharePoint Online organization admin Url.
 
    .PARAMETER Credential
    PSCredential object containing user credentials.
 
    .INPUTS
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
    Description: Connect to SharePoint Online organisation MyName with PSCredential object passed (no MFA)
    PS> Connect-SPO -SPOOrgUrl https://myname-admin.sharepoint.com -Credential $Credential
 
    .EXAMPLE
    Description: Connect to SharePoint Online organisation MyName without PSCredential object passed (MFA)
    PS> Connect-SPO -SPOOrgName https://myname-admin.sharepoint.com
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>


    # testing if module is available
    while (!(Test-MS365Module -Service $ServiceItem)) {
        # and install if not available
        Install-MS365Module -Service $ServiceItem
    }
    try {
        # if MFA is set connect without PScredential object as modern authentication will be used
        if ($MFA) {
            Connect-SPOService -Url $SPOOrgUrl -ErrorAction Stop | Out-Null
        }
        # or pass PSCredential object it will asked if not created earlier
        else {
            Connect-SPOService -Url $SPOOrgUrl -Credential $Credential -ErrorAction Stop | Out-Null
        }
    }
    catch {
        $ErrorMessage = $_.Exception.Message
        Write-Error -Message "Could not connect to $ServiceItem.`n$ErrorMessage" -Category ConnectionError
        Break
    }
    # set service name into window title if successfully connected
    Set-WindowTitle -Service $ServiceItem
}
function Connect-Teams {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory=$False,Position=1)]
        [PSCredential]
        $Credential
    )

    <#
    .SYNOPSIS
 
    Connects to Microsoft Teams service.
 
    .DESCRIPTION
 
    Connects to Microsoft Teams service.
 
    .PARAMETER Credential
 
    PSCredential object containing user credentials.
 
    .INPUTS
 
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
 
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
 
    PS> Connect-Teams -Credential $Credential
 
    .LINK
 
    http://github.com/blindzero/Connect-MS365
 
    #>


    # testing if module is available
    while (!(Test-MS365Module -Service $ServiceItem)) {
        # and install if not available
        Install-MS365Module -Service $ServiceItem
    }
    try {
        # if MFA is set connect without PScredential object as modern authentication will be used
        if ($MFA) {
            Connect-MicrosoftTeams -ErrorAction Stop | Out-Null
        }
        # or pass PSCredential object it will asked if not created earlier
        else {
            Connect-MicrosoftTeams -Credential $Credential -ErrorAction Stop | Out-Null
        }
    }
    catch {
        $ErrorMessage = $_.Exception.Message
        Write-Error -Message "Could not connect to $ServiceItem.`n$ErrorMessage" -Category ConnectionError
        Break
    }
    # set service name into window title if successfully connected
    Set-WindowTitle -Service $ServiceItem
}