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[powershell-experimental] : http signature authentication implementat…
…ion (#6176) * ValidatePattern having double quote(") throws exception on running Build.ps1 * fix tab with space * [powershell-experimental] : http signature auth * fix the tab issue Co-authored-by: Ghufran Zahidi <[email protected]>
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162 changes: 162 additions & 0 deletions
162
...openapi-generator/src/main/resources/powershell-experimental/http_signature_auth.mustache
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| {{>partial_header}} | ||
| <# | ||
| .SYNOPSIS | ||
| Get the API key Id and API key file path. | ||
|
|
||
| .DESCRIPTION | ||
| Get the API key Id and API key file path. If no api prefix is provided then it use default api key prefix 'Signature' | ||
| .OUTPUTS | ||
| PSCustomObject : This contains APIKeyId, APIKeyFilePath, APIKeyPrefix | ||
| #> | ||
| function Get-{{{apiNamePrefix}}}APIKeyInfo { | ||
| $ApiKeysList = $Script:Configuration['ApiKey'] | ||
| $ApiKeyPrefixList = $Script:Configuration['ApiKeyPrefix'] | ||
| $apiPrefix = "Signature" | ||
| if ($null -eq $ApiKeysList -or $ApiKeysList.Count -eq 0) { | ||
| throw "Unable to reterieve the api key details" | ||
| } | ||
|
|
||
| if ($null -eq $ApiKeyPrefixList -or $ApiKeyPrefixList.Count -eq 0) { | ||
| Write-Verbose "Unable to reterieve the api key prefix details,setting it to default ""Signature""" | ||
| } | ||
|
|
||
| foreach ($item in $ApiKeysList.GetEnumerator()) { | ||
| if (![string]::IsNullOrEmpty($item.Name)) { | ||
| if (Test-Path -Path $item.Value) { | ||
| $apiKey = $item.Value | ||
| $apikeyId = $item.Name | ||
| break; | ||
| } | ||
| else { | ||
| throw "API key file path does not exist." | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if ($ApiKeyPrefixList.ContainsKey($apikeyId)) { | ||
| $apiPrefix = ApiKeyPrefixList[$apikeyId] | ||
| } | ||
|
|
||
| if ($apikeyId -and $apiKey -and $apiPrefix) { | ||
| $result = New-Object -Type PSCustomObject -Property @{ | ||
| ApiKeyId = $apikeyId; | ||
| ApiKeyFilePath = $apiKey | ||
| ApiKeyPrefix = $apiPrefix | ||
| } | ||
| } | ||
| else { | ||
| return $null | ||
| } | ||
| return $result | ||
| } | ||
|
|
||
| <# | ||
| .SYNOPSIS | ||
| Gets the headers for http signed auth. | ||
|
|
||
| .DESCRIPTION | ||
| Gets the headers for the http signed auth. It use (targetpath), date, host and body digest to create authorization header. | ||
| .PARAMETER Method | ||
| Http method | ||
| .PARAMETER UriBuilder | ||
| UriBuilder for url and query parameter | ||
| .PARAMETER Body | ||
| Request body | ||
| .OUTPUTS | ||
| Hashtable | ||
| #> | ||
| function Get-{{{apiNamePrefix}}}HttpSignedHeader { | ||
| param( | ||
| [string]$Method, | ||
| [System.UriBuilder]$UriBuilder, | ||
| [string]$Body | ||
| ) | ||
| #Hash table to store singed headers | ||
| $HttpSignedHeader = @{} | ||
| $TargetHost = $UriBuilder.Host | ||
|
|
||
| #Check for Authentication type | ||
| $apiKeyInfo = Get-{{{apiNamePrefix}}}APIKeyInfo | ||
| if ($null -eq $apiKeyInfo) { | ||
| throw "Unable to reterieve the api key info " | ||
| } | ||
|
|
||
| #get the body digest | ||
| $bodyHash = Get-{{{apiNamePrefix}}}StringHash -String $Body | ||
| $Digest = [String]::Format("SHA-256={0}", [Convert]::ToBase64String($bodyHash)) | ||
|
|
||
| #get the date in UTC | ||
| $dateTime = Get-Date | ||
| $currentDate = $dateTime.ToUniversalTime().ToString("r") | ||
|
|
||
| $requestTargetPath = [string]::Format("{0} {1}{2}",$Method.ToLower(),$UriBuilder.Path.ToLower(),$UriBuilder.Query) | ||
| $h_requestTarget = [string]::Format("(request-target): {0}",$requestTargetPath) | ||
| $h_cdate = [string]::Format("date: {0}",$currentDate) | ||
| $h_digest = [string]::Format("digest: {0}",$Digest) | ||
| $h_targetHost = [string]::Format("host: {0}",$TargetHost) | ||
|
|
||
| $stringToSign = [String]::Format("{0}`n{1}`n{2}`n{3}", | ||
| $h_requestTarget,$h_cdate, | ||
| $h_targetHost,$h_digest) | ||
|
|
||
| $hashedString = Get-{{{apiNamePrefix}}}StringHash -String $stringToSign | ||
| $signedHeader = Get-{{{apiNamePrefix}}}RSASHA256SignedString -APIKeyFilePath $apiKeyInfo.ApiKeyFilePath -DataToSign $hashedString | ||
| $authorizationHeader = [string]::Format("{0} keyId=""{1}"",algorithm=""rsa-sha256"",headers=""(request-target) date host digest"",signature=""{2}""", | ||
| $apiKeyInfo.ApiKeyPrefix, $apiKeyInfo.ApiKeyId, $signedHeader) | ||
|
|
||
| $HttpSignedHeader["Date"] = $currentDate | ||
| $HttpSignedHeader["Host"] = $TargetHost | ||
| $HttpSignedHeader["Content-Type"] = "application/json" | ||
| $HttpSignedHeader["Digest"] = $Digest | ||
| $HttpSignedHeader["Authorization"] = $authorizationHeader | ||
| return $HttpSignedHeader | ||
| } | ||
|
|
||
| <# | ||
| .SYNOPSIS | ||
| Gets the headers for http signed auth. | ||
|
|
||
| .DESCRIPTION | ||
| Gets the headers for the http signed auth. It use (targetpath), date, host and body digest to create authorization header. | ||
| .PARAMETER APIKeyFilePath | ||
| Specify the API key file path | ||
| .PARAMETER DataToSign | ||
| Specify the data to sign | ||
| .OUTPUTS | ||
| String | ||
| #> | ||
| function Get-{{{apiNamePrefix}}}RSASHA256SignedString { | ||
| Param( | ||
| [string]$APIKeyFilePath, | ||
| [byte[]]$DataToSign | ||
| ) | ||
| try { | ||
| $rsa_provider_path = Join-Path -Path $PSScriptRoot -ChildPath "{{{apiNamePrefix}}}RSAEncryptionProvider.cs" | ||
| $rsa_provider_sourceCode = Get-Content -Path $rsa_provider_path -Raw | ||
| Add-Type -TypeDefinition $rsa_provider_sourceCode | ||
| $signed_string = [RSAEncryption.RSAEncryptionProvider]::GetRSASignb64encode($APIKeyFilePath, $DataToSign) | ||
| if ($null -eq $signed_string) { | ||
| throw "Unable to sign the header using the API key" | ||
| } | ||
| return $signed_string | ||
| } | ||
| catch { | ||
| throw $_ | ||
| } | ||
| } | ||
| <# | ||
| .Synopsis | ||
| Gets the hash of string. | ||
| .Description | ||
| Gets the hash of string | ||
| .Outputs | ||
| String | ||
| #> | ||
| Function Get-{{{apiNamePrefix}}}StringHash([String] $String, $HashName = "SHA256") { | ||
| $hashAlogrithm = [System.Security.Cryptography.HashAlgorithm]::Create($HashName) | ||
| $hashAlogrithm.ComputeHash([System.Text.Encoding]::UTF8.GetBytes($String)) | ||
| } |
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