Connect-MS365.psm1

#.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
- Azure Platform (AZ)
 
.PARAMETER Service
Specifies the service to connect to. May be a list of multiple services to use.
 
.INPUTS
None. You cannot pipe objects to Connect-MS365.
 
.EXAMPLE
Description: Connect to Microsoft Online
Connect-MS365 -Service MSOL
 
.EXAMPLE
Description: Connect to Microsoft Online and Exchange Online
Connect-MS365 -Service MSOL,EOL
 
.EXAMPLE
Description: Connect to SharePoint Online to connect to MyName-admin.sharepoint.com
Connect-MS365 -Service SPO -SPOOrgName MyName
 
.EXAMPLE
Description: Connect to Security and Compliance Center
Connect-MS365 -Service SCC
 
.EXAMPLE
Description: Connect to Azure ActiveDirectory
Connect-MS365 -Service AAD
 
.EXAMPLE
Description: Connect to Microsoft Azure platform
Connect-MS365 -Service AZ
 
.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','AZ')]
        [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')]
        $SPOOrgName,
        #Credential parameter to receive previously created PSCredential object.
        #Primarily needed for testing calls
        [Parameter(Mandatory=$False, Position = 3, ParameterSetName = 'Credential')]
        [PSCredential]
        $Credential
    )

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

    # iterating through each service listed in service parameter
    ForEach ($ServiceItem in $Service) {
        Write-Verbose "Create session to Service $ServiceItem"
        Switch($ServiceItem) {
            # Microsoft Online service
            MSOL {
                $ServiceName = "Microsoft Online / AzureAD v1"
                $ModuleName = "MSOnline"
                $ModuleFindString = $ModuleName

                Connect-MSOL
                continue
            }
            # Exchange Online service
            EOL {
                $ServiceName = "Exchange Online"
                $ModuleName = "ExchangeOnlineManagement"
                $ModuleFindString = $ModuleName

                Connect-EOL
                continue
            }
            # Teams service
            Teams {
                $ServiceName = "Microsoft Teams"
                $ModuleName = "MicrosoftTeams"
                $ModuleFindString = $ModuleName

                Connect-Teams
                continue
            }
            # Security and Compliance Center
            SCC {
                $ServiceName = "Security & Compliance Center"
                $ModuleName = "ExchangeOnlineManagement"
                $ModuleFindString = $ModuleName

                Connect-SCC
                continue
            }
            # AzureAD
            AAD {
                $ServiceName = "AzureAD v2"
                $ModuleName = "AzureAD"
                $ModuleFindString = $ModuleName

                Connect-AAD
                continue
            }
            # Azure
            AZ {
                $ServiceName = "Azure"
                $ModuleName = "Az"
                $ModuleFindString = "Az.*"

                Connect-AZ
                continue
            }
            # SPO service
            SPO {
                $ServiceName = "SharePoint Online"
                $ModuleName = "Microsoft.Online.SharePoint.PowerShell"
                $ModuleFindString = $ModuleName

                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"
                }
                
                Write-Verbose "Connecting to SharePoint Online at $SPOOrgUrl"
                Connect-SPO -SPOOrgUrl $SPOOrgUrl
                continue
            }
        }
        Write-Verbose "Create session to Service $ServiceItem done."
    }

    Write-Verbose "Connect-MS365 done."
}

# 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)]
        [String]
        $Module
    )

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


    $InstallCommand = "-Command &{ Install-Module -Name $Module -Scope AllUsers -Force}"
    $InstallChoice = Read-Host -Prompt "Module $Module is not present or update was triggered. Perform Install? (Y/n)"
    If (($InstallChoice.Length -eq 0) -or ($InstallChoice.ToLower() -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)]
        [String]
        $Module
    )

    <#
    .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 Module
    Name of module to check installation.
 
    .INPUTS
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
    Test-MS365Module -Module MSOnline
 
    .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
    }

    # Finding installed module, will be $null if not available on system
    $ModuleInstalled = (Get-Module @GetModulesSplat -Name $ModuleFindString)
    # Extracting Version of installed module
    if ($ModuleInstalled) {
        $ModuleInstalledVer = $ModuleInstalled.Version.ToString()
    }
    # Finding available module online
    $ModuleAvailable = (Find-Module -Name $ModuleFindString)
    # Extracting Version of available module online
    if ($ModuleAvailable) {
        $ModuleAvailableVer = $ModuleAvailable.Version.ToString()
    }

    # initialize $TestResult
    $TestResult = $Null

    # return $false if module is not installed
    If ($null -eq $ModuleInstalled) {
        Write-Verbose "$ModuleName was not found."
        $TestResult = $False
    }
    Else {
        # otherwise compare installed and available version
        If ($ModuleInstalledVer -lt $ModuleAvailableVer) {
            # if newer version is available online prompt for update
            do {
                $confirm = Read-Host -Prompt "New $ModuleName version $ModuleAvailableVer is available (installed: $ModuleInstalledVer). Update? [Y/n]"
                if ($confirm.Length -eq 0) {
                    $confirm = "y"
                }
            } while (($confirm.ToLower() -ne "n") -and ($confirm.ToLower() -ne "y"))
            # if confirmed ...
            If (($confirm.Length -eq 0) -or ($confirm.toLower() -eq "y")) {
                Write-Verbose "Updating Module $ModuleName from $ModuleInstalledVer to $ModuleAvailableVer"
                # return $False to be catched and update triggered
                $TestResult = $False
            }
            # if not confimed only do verbose logging and return true as update is optional
            Else {
                Write-Verbose "Skipping update of $ModuleName"
                $TestResult = $True
            }
        }
        Else {
            Write-Verbose "$ModuleName is latest available version $ModuleAvailableVer"
            $TestResult = $True
        }
    }

    return [Bool]$TestResult
}

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 -Module $ModuleName)) {
        # and install if not available
        Install-MS365Module -Service $ServiceItem
    }
    try {
        Connect-AzureAD | 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-AZ {
    [CmdletBinding()]
    param (
    )

    <#
    .SYNOPSIS
    Connects to Microsoft Azure platform.
 
    .DESCRIPTION
    Connects to Microsoft Azure platform.
 
    .INPUTS
    None. You cannot pipe objects to Add-Extension.
 
    .OUTPUTS
    // <OBJECTTYPE>. TBD.
 
    .EXAMPLE
    PS> Connect-AZ -Credential $Credential
 
    .LINK
    http://github.com/blindzero/Connect-MS365
 
    #>


    # testing if module is available
    while (!(Test-MS365Module -Module $ModuleName)) {
        # and install if not available
        Install-MS365Module -Module $ModuleName
    }
    try {
        Connect-AzAccount | 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 -Module $ModuleName)) {
        # and install if not available
        Install-MS365Module -Module $ModuleName
    }
    try {
        Connect-ExchangeOnline -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 / Azure ActiveDirectory v1
 
    .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 -Module $ModuleName)) {
        # and install if not available
        Install-MS365Module -Module $ModuleName
    }
    try {
        Connect-MsolService -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 -Module $ModuleName)) {
        # and install if not available
        Install-MS365Module -Module $ModuleName
    }
    try {
        Connect-IPPSSession
    }
    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
    PS> Connect-SPO -SPOOrgName https://myname-admin.sharepoint.com
 
    .LINK
    http://github.com/blindzero/Connect-MS365
 
    #>


    # testing if module is available
    while (!(Test-MS365Module -Module $ModuleName)) {
        # and install if not available
        Install-MS365Module -Module $ModuleName
    }
    try {
        Connect-SPOService -Url $SPOOrgUrl -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 -Module $ModuleName)) {
        # and install if not available
        Install-MS365Module -Module $ModuleName
    }
    try {
        Connect-MicrosoftTeams -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
}