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function Get-AzureOpenAIToken{ | |
<# .SYNOPSIS | |
Get an azure token for user or managed identity thats required to authenticate to Azure OpenAI with Rest API. | |
Also construct the header if you are using an Azure OpenAI API key instead of Azure AD authentication. | |
.PARAMETER ManagedIdentity | |
Use this parameter if you want to use a managed identity to authenticate to Azure OpenAI. | |
.PARAMETER User | |
Use this parameter if you want to use a user to authenticate to Azure OpenAI. | |
.PARAMETER APIKey | |
Use this parameter if you want to use an API key to authenticate to Azure OpenAI. | |
.EXAMPLE | |
# Manually specify username and password to acquire an authentication token: | |
Get-AzureOpenAIToken -APIKey "ghgkfhgfgfgkhgh" | |
Get-AzureOpenAIToken -ManagedIdentity $true | |
Get-AzureOpenAIToken -User $true | |
.NOTES | |
Author: Alexander Holmeset | |
Twitter: @AlexHolmeset | |
Website: https://www.alexholmeset.blog | |
Created: 09-02-2023 | |
Updated: | |
Version history: | |
1.0.0 - (09-02-2023) Function created | |
#> | |
[CmdletBinding()] | |
param ( | |
[Parameter(Mandatory=$false)] | |
[string]$APIKey, | |
[Parameter(Mandatory=$false)] | |
[string]$ManagedIdentity, | |
[Parameter(Mandatory=$false)] | |
[string]$User | |
) | |
Process { | |
$ErrorActionPreference = "Stop" | |
if (Get-Module -ListAvailable -Name Az.Accounts) { | |
# Write-Host "You have the Az.Accounts module installed" | |
} | |
else { | |
Write-Host "You need to install the Az.Accounts module"; | |
break | |
} | |
If(!$MyHeader){ | |
If($ManagedIdentity -eq $true){ | |
"managed" | |
try { | |
Connect-AzAccount -Identity | |
$MyTokenRequest = Get-AzAccessToken -ResourceUrl "https://cognitiveservices.azure.com" | |
$MyToken = $MyTokenRequest.token | |
If(!$MyToken){ | |
Write-Warning "Failed to get API access token!" | |
Exit 1 | |
} | |
$Global:MyHeader = @{"Authorization" = "Bearer $MyToken" } | |
} | |
catch [System.Exception] { | |
Write-Warning "Failed to get Access Token, Error message: $($_.Exception.Message)"; break | |
} | |
} | |
If($User -eq $true){ | |
"USER" | |
try { | |
Connect-AzAccount | |
$MyTokenRequest = Get-AzAccessToken -ResourceUrl "https://cognitiveservices.azure.com" | |
$MyToken = $MyTokenRequest.token | |
If(!$MyToken){ | |
Write-Warning "Failed to get API access token!" | |
Exit 1 | |
} | |
$Global:MyHeader = @{"Authorization" = "Bearer $MyToken" } | |
} | |
catch [System.Exception] { | |
Write-Warning "Failed to get Access Token, Error message: $($_.Exception.Message)"; break | |
} | |
} | |
If($APIkey){ | |
"APIKEY" | |
$Global:MyHeader = @{"api-key" = $apikey } | |
} | |
} | |
} | |
} | |
function Get-Chat { | |
<# .SYNOPSIS | |
Get a resposne from the chat endpoint in Azure OpenAI. | |
.PARAMETER DeploymentName | |
A deployment name should be provided. | |
.PARAMETER ResourceName | |
A Resource name should be provided. | |
.PARAMETER Prompt | |
A prompt name should be provided. | |
.PARAMETER Token | |
A token name should be provided. | |
.EXAMPLE | |
Get-Chat -DeploymentName $DeploymentName -ResourceName $ResourceName -maxtokens 1000 -prompt "What is the meaning of life?" -AssitantInstruction $AssitantInstruction | |
.NOTES | |
Author: Alexander Holmeset | |
Twitter: @AlexHolmeset | |
Website: https://www.alexholmeset.blog | |
Created: 09-02-2023 | |
Updated: | |
Version history: | |
1.0.0 - (09-02-2023) Function created | |
#>[CmdletBinding()] | |
param ( | |
[parameter(Mandatory = $true, HelpMessage = "Your azure openai deployment name")] | |
[ValidateNotNullOrEmpty()] | |
[string]$DeploymentName, | |
[parameter(Mandatory = $true, HelpMessage = "your azure openai resource name")] | |
[ValidateNotNullOrEmpty()] | |
[string]$ResourceName, | |
[parameter(Mandatory = $true, HelpMessage = "Your Azure OpenAI prompt")] | |
[ValidateNotNullOrEmpty()] | |
[string]$Prompt, | |
[parameter(Mandatory = $true, HelpMessage = "Your Azure OpenAI service instructions")] | |
[ValidateNotNullOrEmpty()] | |
[string]$AssitantInstruction | |
) | |
Process { | |
$ErrorActionPreference = "Stop" | |
$APIVersion = "2023-03-15-preview" | |
# Construct URI | |
$uri = "https://$ResourceName.openai.azure.com/openai/deployments/$DeploymentName/chat/completions?api-version=$ApiVersion" | |
$script:conversation += @" | |
{"role": "user", "content": "$prompt"}, | |
"@ | |
# Construct Body | |
$Body = @" | |
{ | |
"messages": | |
[ | |
$script:conversation | |
{"role": "system", "content": "$AssitantInstruction"} | |
] | |
} | |
"@ | |
try { | |
$body | |
$Global:Request = invoke-restmethod -Method POST -Uri $uri -ContentType "application/json" -Body $body -Headers $Global:MyHeader | |
$script:conversation += @" | |
{"role": "assistant", "content": "$($Request.choices.message.content)"}, | |
"@ | |
} | |
catch [System.Exception] { | |
Write-Warning "Failed to to POST request: $($_.Exception.Message)"; break | |
} | |
"User: $Prompt" | |
"Assitant: $($Request.choices.message.content)" | |
} | |
} | |
Get-AzureOpenAIToken -APIKey "Enter API Token" | |
$DeploymentName = "Enter deploymentname" | |
$ResourceName = "Enter resource name" | |
$AssitantInstruction = "You are a helpfull assistant." | |
$Prompt = "What is Azure OpenAI?" | |
Get-Chat -DeploymentName $DeploymentName -ResourceName $ResourceName -Prompt $Prompt -AssitantInstruction $AssitantInstruction | |
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