Test.ps1

FUNCTION GenerateMasterKeyAuthorizationSignature
{
   
    [CmdletBinding()]
    Param(
        [Parameter(Mandatory=$true)][String]	$verb,					# HTTP verb, such as GET, POST, or PUT
        [Parameter(Mandatory=$true)][String]	$resourceLink,			# Case SeNsItIvE!!! (this is the parent path for the $resourceType)
        [Parameter(Mandatory=$true)][String]	$resourceType,			# type of resource that the request is for, Eg. "dbs", "colls", "docs"
        [Parameter(Mandatory=$true)][String]	$dateTime,				# Must exactly match x-ms-date in header (and be lower case)
        [Parameter(Mandatory=$true)][String]	$key,					#
        [Parameter(Mandatory=$true)][String]	$keyType,				# "master" or "resource"
        [Parameter(Mandatory=$false)][String]	$tokenVersion = "1.0"	# 
    )
    $hmacSha256 = New-Object System.Security.Cryptography.HMACSHA256
    $hmacSha256.Key = [System.Convert]::FromBase64String($key)
 
    If ($resourceLink -eq $resourceType)
		{ $resourceLink = "" }
 
    $payLoad = "$($verb.ToLowerInvariant())`n$($resourceType.ToLowerInvariant())`n$resourceLink`n$($dateTime.ToLowerInvariant())`n`n"   # WAS: ($dateTime.ToLowerInvariant())
	# write-host -ForegroundColor Cyan "---- Payload ----`n$payload-----------------"  # DEBUG
    $hashPayLoad = $hmacSha256.ComputeHash([System.Text.Encoding]::UTF8.GetBytes($payLoad))
    $signature = [System.Convert]::ToBase64String($hashPayLoad)

    $authSet = [System.Web.HttpUtility]::UrlEncode("type=$keyType&ver=$tokenVersion&sig=$signature");
    return $authSet;
}

$environment = 'dev'
$documentPath = '\Users\sajee\Downloads\config.json'
$cosmosDbAccount = ' '
$databaseId = ' '
$containerId = 'test'
$resourceGroupName  = ''
$partitionKey = 'configId'

$key = "jQMbCDBiowNSGScSMBiQO8HunaTAJ2vIB6Fw1OsN2lXUSd4gTQfXgld2d6P0CRrvO5337iD1LE6EiB6pferzeg=="
#$encode  = #[System.Text.Encoding]::UTF8.GetBytes($string)
#$encode  = [Convert]::ToBase64String([Text.Encoding]::Unicode.GetBytes($string))

$method = 'POST';
$resourceType = 'docs';
$requestDateString = [DateTime]::UtcNow.ToString('r')
$resourceLink = "dbs/$databaseId/colls/$containerId";
#Write-Output $encode
$dateTime = [DateTime]::UtcNow.ToString("r")
$auth = GenerateMasterKeyAuthorizationSignature -verb $method -resourceLink $resourceLink -resourceType $resourceType -key $key -keyType "master" -tokenVersion "1.0" -dateTime $dateTime
	
#return;
$uri = "https://$cosmosDbAccount.documents.azure.com/$resourceLink/docs";

$files = Get-ChildItem $documentPath

foreach($f in $files){
    Write-Output "File: "$f.FullName
    $document = Get-Content $f.FullName #-Raw | ConvertFrom-Json
    $header = @{'x-ms-date' = $requestDateString;'x-ms-version'= '2018-12-31';'Accept'='application/json';'Content-Type'='application/json';'authorization'= $auth;'x-ms-documentdb-is-upsert' = 'true';'x-ms-documentdb-partitionkey' = '["' + $partitionKey + '"]' }
    Write-Output $header
    $result = Invoke-WebRequest -Method $method -Uri $uri -Headers $header  -Body  $document
    Write-Output "Response: $result"
}