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SPMT_utils.ps1
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SPMT_utils.ps1
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# This file contains utility functions to implement protocol used by
# SharePoint Migration Tool (SPMT) and Migration Manager agent
# Calculates SPO SPMT Guid for the given file
# Ref: Microsoft.SharePoint.Migration.Common.GuidGenerator
# Nov 23rd 2022
Function Get-SPMTFileGuid
{
[cmdletbinding()]
param(
[parameter(Mandatory=$true,ValueFromPipeline)]
[String]$FilePath
)
Process
{
# Byte order swapping function
function Swap-ByteOrder
{
[cmdletbinding()]
param(
[parameter(Mandatory=$true,ValueFromPipeline)]
[byte[]]$Guid
)
Process
{
$Guid = Swap-Bytes -Guid $Guid -Left 0 -Right 3
$Guid = Swap-Bytes -Guid $Guid -Left 1 -Right 2
$Guid = Swap-Bytes -Guid $Guid -Left 4 -Right 5
$Guid = Swap-Bytes -Guid $Guid -Left 6 -Right 7
return $Guid
}
}
# Byte swapping function
function Swap-Bytes
{
[cmdletbinding()]
param(
[parameter(Mandatory=$true,ValueFromPipeline)]
[byte[]]$Guid,
[parameter(Mandatory=$true)]
[int]$Left = 0,
[parameter(Mandatory=$true)]
[int]$Right = 0
)
Process
{
$b = $Guid[$Left]
$Guid[$Left] = $Guid[$Right]
$Guid[$Right] = $b
return $Guid
}
}
$bytes = [text.encoding]::UTF8.GetBytes($FilePath)
$nameSpaceId = [byte[]](Swap-ByteOrder -Guid ([guid]"6ba7b811-9dad-11d1-80b4-00c04fd430c8").ToByteArray())
$alg = 0x05 # SHA1
$sha1 = [System.Security.Cryptography.SHA1]::Create()
$sha1.TransformBlock($nameSpaceId, 0, $nameSpaceId.Length, $null, 0) | Out-Null
$sha1.TransformFinalBlock($bytes, 0, $bytes.Length) | Out-Null
$hash = $sha1.Hash
$retVal = New-Object byte[] 16
[Array]::Copy($hash,$retVal,16)
$retVal[6] = $retVal[6] -band 15 -bor ($alg -shl 4)
$retVal[8] = $retVal[8] -band 63 -bor 128
return [guid][byte[]](Swap-ByteOrder -Guid $retVal)
}
}
# Encrypt the given content for migration
# Nov 23rd 2022
function Encrypt-SPMTFile
{
[cmdletbinding()]
Param(
[Parameter(Mandatory=$True)]
[byte[]]$Key,
[Parameter(ParameterSetName='String',Mandatory=$True)]
[string]$StringContent,
[Parameter(ParameterSetName='Binary',Mandatory=$True)]
[byte[]]$BinaryContent,
[Parameter(ParameterSetName='File',Mandatory=$True)]
[string]$FilePath
)
Process
{
# Create encryptor and use the given key
$aes = [System.Security.Cryptography.AesCryptoServiceProvider]::new()
$aes.Key = $key
$encryptor = $aes.CreateEncryptor()
$iv = Convert-ByteArrayToB64 -Bytes $aes.IV
if(![string]::IsNullOrEmpty($StringContent))
{
Write-Verbose $StringContent
$BinaryContent = [text.encoding]::UTF8.GetBytes($StringContent)
}
# Encrypt content
if(![string]::IsNullOrEmpty($FilePath))
{
# Open the file
$infs = [System.IO.FileStream]::new($filePath,[System.IO.FileMode]::Open,[System.IO.FileAccess]::Read)
# Create a temporary file
$tempFile = (New-TemporaryFile).FullName
$outfs = [System.IO.FileStream]::new($tempFile,[System.IO.FileMode]::OpenOrCreate,[System.IO.FileAccess]::Write)
# Read and encrypt the file in 1kb chunks
$cs = [System.Security.Cryptography.CryptoStream]::new($outfs,$encryptor,[System.Security.Cryptography.CryptoStreamMode]::Write)
$buffer = New-Object byte[] 1024
while($infs.Position -lt $infs.Length)
{
$read = $infs.Read($buffer,0,1024)
$cs.Write($buffer,0,$read)
}
$cs.FlushFinalBlock()
# Clean up
$infs.Close()
$infs.Dispose()
$outfs.Close()
$outfs.Dispose()
$cs.Close()
$cs.Dispose()
$aes.Dispose()
# Calculate MD5
$md5 = Convert-ByteArrayToB64 (Convert-HexToByteArray (Get-FileHash -Path $tempFile -Algorithm MD5).Hash)
}
else
{
# Encrypt in memory
$ms = [System.IO.MemoryStream]::new()
$cs = [System.Security.Cryptography.CryptoStream]::new($ms,$encryptor,[System.Security.Cryptography.CryptoStreamMode]::Write)
$cs.Write($BinaryContent,0,$BinaryContent.Count)
$cs.FlushFinalBlock()
$encData = $ms.ToArray()
# Clean up
$cs.Close()
$cs.Dispose()
$ms.Close()
$ms.Dispose()
$aes.Dispose()
# Calculate MD5
$md5hash = [System.Security.Cryptography.MD5]::Create()
$md5 = Convert-ByteArrayToB64 -Bytes $md5hash.ComputeHash($encData)
$md5hash.Dispose()
}
# Return
return [PSCustomObject]@{
"Data" = $encData
"IV" = $iv
"MD5" = $MD5
"DataFile" = $tempFile
}
}
}
# Generate metadatafiles for migration
# Nov 24th 2022
function Generate-SPMTMetadata
{
[cmdletbinding()]
Param(
[Parameter(Mandatory=$True)]
[PSObject]$ContainerInfo,
[Parameter(Mandatory=$True)]
[PSObject]$FolderInfo,
[Parameter(Mandatory=$True)]
[guid]$WebId,
[Parameter(Mandatory=$True)]
[PSObject]$UserInformation,
[Parameter(Mandatory=$True)]
[Hashtable]$Files,
[Parameter(Mandatory=$True)]
[string]$Site
)
Process
{
$metadataFiles = @{}
$key = Convert-B64ToByteArray -B64 $ContainerInfo.EncryptionKey
# Create ExportSettings.xml
Write-Verbose "Generating ExportSettings.xml"
$content = @"
<?xml version="1.0" encoding="utf-8"?>
<ExportSettings xmlns="urn:deployment-exportsettings-schema" SiteUrl="http://fileshare/sites/user" FileLocation="C:\" IncludeSecurity="All" SourceType="FileShare">
<ExportObjects/>
</ExportSettings>
"@
$metadataFiles["ExportSettings.xml"] = Encrypt-SPMTFile -Key $key -StringContent $content
# Create SystemData.xml
Write-Verbose "Generating SystemData.xml"
$content = @"
<?xml version="1.0" encoding="utf-8"?>
<SystemData xmlns="urn:deployment-systemdata-schema">
<SchemaVersion Version="15.0.0.0" Build="16.0.3111.1200" DatabaseVersion="11552" SiteVersion="15" ObjectsProcessed="7" />
<ManifestFiles>
<ManifestFile Name="Manifest.xml" />
</ManifestFiles>
<SystemObjects/>
</SystemData>
"@
$metadataFiles["SystemData.xml"] = Encrypt-SPMTFile -Key $key -StringContent $content
# Create UserGroup.xml
Write-Verbose "Generating UserGroup.xml"
$content = @"
<?xml version="1.0" encoding="utf-8"?>
<UserGroupMap xmlns="urn:deployment-usergroupmap-schema">
<Users>
<User Id="1" Name="$($UserInformation.Title)" Login="$($UserInformation.LoginName)" IsSiteAdmin="false" SystemId="$(Convert-ByteArrayToB64 ([text.encoding]::UTF8.GetBytes($UserInformation.NameId)))" IsDeleted="false" IsDomainGroup="false" />
</Users>
<Groups />
</UserGroupMap>
"@
$metadataFiles["UserGroup.xml"] = Encrypt-SPMTFile -Key $key -StringContent $content
# Create Requirements.xml
Write-Verbose "Generating Requirements.xml"
$content = @"
<?xml version="1.0" encoding="utf-8"?>
<Requirements xmlns="urn:deployment-requirements-schema" />
"@
$metadataFiles["Requirements.xml"] = Encrypt-SPMTFile -Key $key -StringContent $content
# Create Manifest.xml
Write-Verbose "Generating Manifest.xml"
$content = @"
<?xml version="1.0" encoding="utf-8"?>
<SPObjects xmlns="urn:deployment-manifest-schema">
"@
$id = 1
foreach($fileName in $Files.Keys)
{
$fileInfo = $Files[$fileName]
$content += @"
<SPObject Id="$($fileInfo.Guid)" ObjectType="SPFile">
<File Url="$($FolderInfo.Name)/$fileName" Id="$($fileInfo.Guid)" ParentWebId="$WebId" Name="$fileName" ParentId="$($FolderInfo.Id)" TimeCreated="$($fileInfo.TimeCreated)" TimeLastModified="$($fileInfo.TimeLastModified)" Version="1.0" FileValue="$($fileInfo.Guid).dat" Author="1" ModifiedBy="1" MD5Hash="$($fileInfo.MD5)" InitializationVector="$($fileInfo.IV)" />
</SPObject>
"@
}
$content += @"
</SPObjects>
"@
$metadataFiles["Manifest.xml"] = Encrypt-SPMTFile -Key $key -StringContent $content
return $metadataFiles
}
}
# Generate metadatafiles for migration
# Nov 24th 2022
function Generate-SPMTFiledata
{
[cmdletbinding()]
Param(
[Parameter(Mandatory=$False)]
[string]$Cookie,
[Parameter(Mandatory=$False)]
[string]$AccessToken,
[Parameter(Mandatory=$True)]
[string]$Site,
[Parameter(Mandatory=$True)]
[PSObject]$FolderInfo,
[Parameter(Mandatory=$True)]
[PSObject]$ContainerInfo,
[Parameter(Mandatory=$True)]
[string[]]$Files,
[Parameter(Mandatory=$False)]
[string]$LocalFile,
[Parameter(Mandatory=$False)]
[PSObject]$TimeCreated,
[Parameter(Mandatory=$False)]
[PSObject]$TimeLastModified,
[Parameter(Mandatory=$False)]
[PSObject]$Id,
[Parameter(Mandatory=$False)]
[String]$RelativePath
)
Process
{
$fileData = @{}
$key = Convert-B64ToByteArray -B64 $ContainerInfo.EncryptionKey
foreach($file in $Files)
{
if((Test-Path $file) -or (Test-Path $LocalFile))
{
if($LocalFile)
{
# Get local file if provided (may have different name than the target one when replacing)
$fileItem = Get-Item $LocalFile
$fileName = $file
}
else
{
# Get file item
$fileItem = Get-Item $file
$fileName = $fileItem.Name
}
Write-Verbose "Processing file $($fileItem.FullName)"
# Encrypt
$fileInfo = Encrypt-SPMTFile -Key $key -FilePath $fileItem.FullName
# Add created and modified time
if($TimeCreated -eq $null)
{
$TimeCreated = $fileItem.CreationTimeUtc
}
if($TimeLastModified -eq $null)
{
$TimeLastModified = $fileItem.LastWriteTimeUtc
}
# We are replacing an existing file so use that guid
if($Id)
{
$guid = $Id
}
else
{
# Form the filepath for calculating guid
$filePath = $Site + $FolderInfo.Name + $FolderInfo.ListName + $fileName
$guid = Get-SPMTFileGuid -FilePath $FilePath
}
$fileInfo | Add-Member -NotePropertyName "TimeCreated" -NotePropertyValue $TimeCreated.ToString("o").Split(".")[0]
$fileInfo | Add-Member -NotePropertyName "TimeLastModified" -NotePropertyValue $TimeLastModified.ToString("o").Split(".")[0]
$fileInfo | Add-Member -NotePropertyName "Guid" -NotePropertyValue $guid
$fileData[$fileName] = $fileInfo
}
else
{
Write-Warning "File does not exist, skipping: $file"
}
}
return $fileData
}
}
# Send files
# Nov 24th 2022
function Send-SPMTFiles
{
[cmdletbinding()]
Param(
[Parameter(Mandatory=$True)]
[Hashtable]$Files,
[Parameter(Mandatory=$True)]
[Hashtable]$Metadata,
[Parameter(Mandatory=$True)]
[PSObject]$ContainerInfo
)
Process
{
if($Files.Count -lt 1)
{
throw "No files to be sent"
}
Write-Verbose "Sending $($Files.Count) file(s) and $($Metadata.Count) metadata file(s) to SPO"
# Send metadata
foreach($fileName in $Metadata.Keys)
{
$metadataInfo = $Metadata[$fileName]
Write-Verbose "Sending metadata: $($metadataInfo.Guid) $fileName "
# Create the url
$url = $ContainerInfo.MetadataContainerUri.Replace("?","/$fileName`?")
$url += "&api-version=2018-03-28"
# Create headers
$headers=@{
"x-ms-client-request-id" = (New-Guid).ToString()
"Content-MD5" = $metadataInfo.MD5
"x-ms-blob-type" = "BlockBlob"
"x-ms-version" = "2018-03-28"
}
# Send the file
$response = Invoke-RestMethod -UseBasicParsing -Method Put -Uri "$url&timeout=300" -Headers $headers -Body $metadataInfo.Data
# Create headers for IV
$headers=@{
"x-ms-client-request-id" = (New-Guid).ToString()
"x-ms-meta-IV" = $metadataInfo.IV
"x-ms-version" = "2018-03-28"
}
# Send the IV
$response = Invoke-RestMethod -UseBasicParsing -Method Put -Uri "$url&comp=metadata" -Headers $headers
# Create headers for snapshot
$headers=@{
"x-ms-client-request-id" = (New-Guid).ToString()
"x-ms-version" = "2018-03-28"
}
# Create a snapshot
$response = Invoke-RestMethod -UseBasicParsing -Method Put -Uri "$url&comp=snapshot" -Headers $headers
}
# Send files
foreach($fileName in $Files.Keys)
{
Write-Verbose "Sending file: $fileName"
$fileInfo = $Files[$fileName]
# Create the url
$url = $ContainerInfo.DataContainerUri.Replace("?","/$($fileInfo.Guid).dat?")
$url += "&api-version=2018-03-28"
# Create headers
$headers=@{
"x-ms-client-request-id" = (New-Guid).ToString()
"Content-MD5" = $fileInfo.MD5
"x-ms-blob-type" = "BlockBlob"
"x-ms-version" = "2018-03-28"
}
# Send the file and delete temporary file
$response = Invoke-RestMethod -UseBasicParsing -Method Put -Uri "$url&timeout=300" -Headers $headers -InFile $fileInfo.DataFile
Remove-Item -Path $fileInfo.DataFile -Force -ErrorAction SilentlyContinue
# Create headers for IV
$headers=@{
"x-ms-client-request-id" = (New-Guid).ToString()
"x-ms-meta-IV" = $fileInfo.IV
"x-ms-version" = "2018-03-28"
}
# Send the IV
$response = Invoke-RestMethod -UseBasicParsing -Method Put -Uri "$url&comp=metadata" -Headers $headers
# Create headers for snapshot
$headers=@{
"x-ms-client-request-id" = (New-Guid).ToString()
"x-ms-version" = "2018-03-28"
}
# Create a snapshot
$response = Invoke-RestMethod -UseBasicParsing -Method Put -Uri "$url&comp=snapshot" -Headers $headers
}
}
}
# Poll messages
# Nov 24th 2022
function Start-SPMTPoll
{
[cmdletbinding()]
Param(
[Parameter(Mandatory=$True)]
[PSObject]$ContainerInfo,
[Parameter(Mandatory=$True)]
[guid]$JobId
)
Process
{
# Decode the key
$key = Convert-B64ToByteArray -B64 $ContainerInfo.EncryptionKey
# Start polling for messages from migration queue
$jobQueueUri = $ContainerInfo.JobQueueUri
$continue = $true
Write-Verbose "Polling messages.."
while($continue)
{
# Create the url
$url = $jobQueueUri.Replace("?","/messages?")
$createUrl = $url + "&api-version=2018-03-28&numofmessages=30&timeout=5"
# Create headers
$headers=@{
"x-ms-client-request-id" = (New-Guid).ToString()
"x-ms-version" = "2018-03-28"
}
# Get message
$response = Invoke-WebRequest -UseBasicParsing -Method Get -Uri $createUrl -Headers $headers
$responseBytes = New-Object byte[] $response.RawContentLength
$response.RawContentStream.Read($responseBytes,0,$response.RawContentLength) | Out-Null
# Strip the BOM
[xml]$queueResponse = [text.encoding]::UTF8.getString([byte[]](Remove-BOM -ByteArray $responseBytes))
# Parse messages
foreach($queueMessage in $queueResponse.QueueMessagesList.ChildNodes)
{
$messageText = ConvertFrom-Json (Convert-B64ToText -B64 $queueMessage.MessageText)
Write-Verbose "Received message $($queueMessage.MessageId)"
# Check the JobId
if([guid]$messageText.JobId -ne $JobId)
{
Write-Warning "Message $($queueMessage.MessageId) is for wrong job ($($messageText.JobId)). Was expecting $JobId"
}
# Decrypt the message
if($messageText.Label -eq "Encrypted")
{
$iv = Convert-B64ToByteArray -B64 $messageText.IV
$encData = Convert-B64ToByteArray -B64 $messageText.Content
$aes = [System.Security.Cryptography.AesCryptoServiceProvider]::new()
$aes.Key = $key
$aes.IV = $iv
$ms = [System.IO.MemoryStream]::new()
$decryptor = $aes.CreateDecryptor()
$cs = [System.Security.Cryptography.CryptoStream]::new($ms,$decryptor,[System.Security.Cryptography.CryptoStreamMode]::Write)
$cs.Write($encData,0,$encData.Count)
$cs.FlushFinalBlock()
$decData = $ms.ToArray()
$ms.Close()
$cs.Close()
$decryptor.Dispose()
$messageText.Content = [text.encoding]::UTF8.GetString($decData)
}
$content = $messageText.Content | ConvertFrom-Json
Write-Verbose $content
# Delete the message from the server
$deleteUrl = $url.Replace("?","/$($queueMessage.MessageId)?")
$deleteUrl += "&api-version=2018-03-28&popreceipt=$([System.Web.HttpUtility]::UrlEncode($queueMessage.PopReceipt))"
$response = Invoke-WebRequest -UseBasicParsing -Method Delete -Uri $deleteUrl -Headers $headers
Write-Host "$($content.Time) $($content.Event)"
switch($content.Event)
{
"JobEnd" {
$continue = $false
Write-Host "$($content.FilesCreated) files ($('{0:N0}' -f $content.BytesProcessed) bytes) sent."
break
}
}
if($content.Message)
{
Write-Host $content.Message -ForegroundColor DarkYellow
}
}
if($continue)
{
Start-Sleep -Seconds 5
}
}
}
}
# Create migration job
# Nov 24th 2022
function New-SPMTMigrationJob
{
[cmdletbinding()]
Param(
[Parameter(Mandatory=$False)]
[string]$Cookie,
[Parameter(Mandatory=$False)]
[string]$AccessToken,
[Parameter(Mandatory=$True)]
[string]$Site,
[Parameter(Mandatory=$True)]
[PSObject]$ContainerInfo
)
Process
{
# Get digest
$digest = Get-SPODigest -Cookie $cookie -AccessToken $AccessToken -Site $site
# body for site id
$Body=@"
<Request AddExpandoFieldTypeSuffix="true" SchemaVersion="15.0.0.0" LibraryVersion="16.0.0.0" ApplicationName=".NET Library" xmlns="http://schemas.microsoft.com/sharepoint/clientquery/2009">
<Actions>
<ObjectPath Id="2" ObjectPathId="1"/>
<ObjectPath Id="4" ObjectPathId="3"/>
<ObjectPath Id="6" ObjectPathId="5"/>
<Query Id="7" ObjectPathId="3">
<Query SelectAllProperties="false">
<Properties>
<Property Name="RootWeb">
<Query SelectAllProperties="false">
<Properties>
<Property Name="Id" ScalarProperty="true"/>
</Properties>
</Query>
</Property>
</Properties>
</Query>
</Query>
<Query Id="9" ObjectPathId="5">
<Query SelectAllProperties="false">
<Properties>
<Property Name="Id" ScalarProperty="true"/>
</Properties>
</Query>
</Query>
</Actions>
<ObjectPaths>
<StaticProperty Id="1" TypeId="{3747adcd-a3c3-41b9-bfab-4a64dd2f1e0a}" Name="Current"/>
<Property Id="3" ParentId="1" Name="Site"/>
<Property Id="5" ParentId="1" Name="Web"/>
</ObjectPaths>
</Request>
"@
# Invoke ProcessQuery to get site id
$response = Invoke-ProcessQuery -Cookie $Cookie -AccessToken $AccessToken -Site $site -Body $Body -Digest $digest
$content = ($response.content | ConvertFrom-Json)
$SPWebIdentity = $content[$content.Count -1]._ObjectIdentity_
$SPSiteIdentity = $SPWebIdentity.Substring(0,$SPWebIdentity.IndexOf(":web:"))
# Body for starting the job (must be linearised...)
$Body=@"
<Request AddExpandoFieldTypeSuffix="true" SchemaVersion="15.0.0.0" LibraryVersion="16.0.0.0" ApplicationName=".NET Library" xmlns="http://schemas.microsoft.com/sharepoint/clientquery/2009"><Actions><Method Name="CreateMigrationJobEncrypted" Id="14" ObjectPathId="3"><Parameters><Parameter Type="Guid">{5ac5b4f2-8830-4b68-8811-276e29e0595d}</Parameter><Parameter Type="String">$($ContainerInfo.DataContainerUri.Replace("&","&").Replace("0:0","0%3A0"))</Parameter><Parameter Type="String">$($ContainerInfo.MetadataContainerUri.Replace("&","&").Replace("0:0","0%3A0"))</Parameter><Parameter Type="String">$($ContainerInfo.JobQueueUri.Replace("&","&").Replace("0:0","0%3A0"))</Parameter><Parameter TypeId="{85614ad4-7a40-49e0-b272-6d1807dbfcc6}"><Property Name="AES256CBCKey" Type="Base64Binary">$($ContainerInfo.EncryptionKey)</Property></Parameter></Parameters></Method></Actions><ObjectPaths><Identity Id="3" Name="$SPSiteIdentity"/></ObjectPaths></Request>
"@
# Invoke ProcessQuery
$response = Invoke-ProcessQuery -Cookie $Cookie -AccessToken $AccessToken -Site $site -Body $Body -Digest $digest
$content = ($response.content | ConvertFrom-Json)
[guid]$guid = $content[$content.Count -1].Split("(")[1].Split(")")[0]
return $guid
}
}
# Send given file(s) to given SPO site
# Nov 23rd 2022
function Send-SPOFiles
{
[cmdletbinding()]
Param(
[Parameter(Mandatory=$True)]
[string]$Site,
[Parameter(Mandatory=$True)]
[string]$FolderName,
[Parameter(Mandatory=$True)]
[string[]]$Files,
[Parameter(Mandatory=$False)]
[string]$LocalFile,
[Parameter(Mandatory=$True)]
[string]$UserName,
[Parameter(Mandatory=$False)]
[DateTime]$TimeCreated,
[Parameter(Mandatory=$False)]
[DateTime]$TimeLastModified,
[Parameter(Mandatory=$False)]
[Guid]$Id
)
Process
{
# Get user information
Write-Verbose "Getting user information"
try
{
$userInformation = Get-SPOMigrationUser -Site $Site -UserName $UserName
}
catch
{
Write-Error $_.Exception.Message
return
}
# Get the container information
Write-Verbose "Getting migration container information"
$containerInfo = Get-SPOMigrationContainersInfo -Site $Site
# Get folder information
Write-Verbose "Getting information for folder '$FolderName'"
$folderInformation = Get-SPOSiteFolder -Site $Site -RelativePath $FolderName
# Get WebId
$webId = Get-SPOWebId -Site $Site
# Process the data files (encrypt & get information)
$fileData = Generate-SPMTFileData -ContainerInfo $containerInfo -FolderInfo $folderInformation -Files $Files -TimeCreated $TimeCreated -TimeLastModified $TimeLastModified -Id $Id -Site $Site -LocalFile $LocalFile
Write-Host "Sending $($fileData.Count) file(s) as `"$($userInformation.LoginName)`" to `"$($Site)/$($folderInformation.Name)`""
# Generate metadata files
$metadata = Generate-SPMTMetadata -ContainerInfo $containerInfo -FolderInfo $folderInformation -UserInformation $userInformation -Files $fileData -WebId $webId -Site $Site
# Send the files
Send-SPMTFiles -Files $fileData -Metadata $metadata -ContainerInfo $containerInfo
# Create a new migration job
$jobId = New-SPMTMigrationJob -Cookie $Cookie -AccessToken $AccessToken -Site $site -ContainerInfo $containerInfo
# Start polling messages
Start-SPMTPoll -ContainerInfo $containerInfo -JobId $jobId
}
}