PowerShellForGitHub/GitHubContents.ps1

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PowerShell

@{
GitHubContentTypeName = 'GitHub.Content'
}.GetEnumerator() | ForEach-Object {
Set-Variable -Scope Script -Option ReadOnly -Name $_.Key -Value $_.Value
}
filter Get-GitHubContent
{
<#
.SYNOPSIS
Retrieve the contents of a file or directory in a repository on GitHub.
.DESCRIPTION
Retrieve content from files on GitHub.
The Git repo for this module can be found here: http://aka.ms/PowerShellForGitHub
.PARAMETER OwnerName
Owner of the repository.
If not supplied here, the DefaultOwnerName configuration property value will be used.
.PARAMETER RepositoryName
Name of the repository.
If not supplied here, the DefaultRepositoryName configuration property value will be used.
.PARAMETER Uri
Uri for the repository.
The OwnerName and RepositoryName will be extracted from here instead of needing to provide
them individually.
.PARAMETER Path
The file path for which to retrieve contents
.PARAMETER BranchName
The branch, or defaults to the default branch of not specified.
.PARAMETER MediaType
The format in which the API will return the body of the issue.
Object - Return a json object representation a file or folder.
This is the default if you do not pass any specific media type.
Raw - Return the raw contents of a file.
Html - For markup files such as Markdown or AsciiDoc,
you can retrieve the rendered HTML using the Html media type.
.PARAMETER ResultAsString
If this switch is specified and the MediaType is either Raw or Html then the
resulting bytes will be decoded the result will be returned as a string instead of bytes.
If the MediaType is Object, then an additional property on the object named
'contentAsString' will be included and its value will be the decoded base64 result
as a string.
.PARAMETER AccessToken
If provided, this will be used as the AccessToken for authentication with the
REST Api. Otherwise, will attempt to use the configured value or will run unauthenticated.
.INPUTS
GitHub.Branch
GitHub.Content
GitHub.Event
GitHub.Issue
GitHub.IssueComment
GitHub.Label
GitHub.Milestone
GitHub.PullRequest
GitHub.Project
GitHub.ProjectCard
GitHub.ProjectColumn
GitHub.Reaction
GitHub.Release
GitHub.ReleaseAsset
GitHub.Repository
.OUTPUTS
[String]
GitHub.Content
.EXAMPLE
Get-GitHubContent -OwnerName microsoft -RepositoryName PowerShellForGitHub -Path README.md -MediaType Html
Get the Html output for the README.md file
.EXAMPLE
Get-GitHubContent -OwnerName microsoft -RepositoryName PowerShellForGitHub -Path LICENSE
Get the Binary file output for the LICENSE file
.EXAMPLE
Get-GitHubContent -OwnerName microsoft -RepositoryName PowerShellForGitHub -Path Tests
List the files within the "Tests" path of the repository
.EXAMPLE
$repo = Get-GitHubRepository -OwnerName microsoft -RepositoryName PowerShellForGitHub
$repo | Get-GitHubContent -Path Tests
List the files within the "Tests" path of the repository
.NOTES
Unable to specify Path as ValueFromPipeline because a Repository object may be incorrectly
coerced into a string used for Path, thus confusing things.
#>
[CmdletBinding(DefaultParameterSetName = 'Elements')]
[OutputType([String])]
[OutputType({$script:GitHubContentTypeName})]
param(
[Parameter(
Mandatory,
ParameterSetName = 'Elements')]
[string] $OwnerName,
[Parameter(
Mandatory,
ParameterSetName = 'Elements')]
[string] $RepositoryName,
[Parameter(
Mandatory,
ValueFromPipelineByPropertyName,
ParameterSetName='Uri')]
[Alias('RepositoryUrl')]
[string] $Uri,
[string] $Path,
[ValidateNotNullOrEmpty()]
[string] $BranchName,
[ValidateSet('Raw', 'Html', 'Object')]
[string] $MediaType = 'Object',
[switch] $ResultAsString,
[string] $AccessToken
)
Write-InvocationLog
$elements = Resolve-RepositoryElements
$OwnerName = $elements.ownerName
$RepositoryName = $elements.repositoryName
$telemetryProperties = @{
'OwnerName' = (Get-PiiSafeString -PlainText $OwnerName)
'RepositoryName' = (Get-PiiSafeString -PlainText $RepositoryName)
}
$description = [String]::Empty
$uriFragment = "/repos/$OwnerName/$RepositoryName/contents"
if ($PSBoundParameters.ContainsKey('Path'))
{
$Path = $Path.TrimStart("\", "/")
$uriFragment += "/$Path"
$description = "Getting content for $Path in $RepositoryName"
}
else
{
$description = "Getting all content for in $RepositoryName"
}
if ($PSBoundParameters.ContainsKey('BranchName'))
{
$uriFragment += "?ref=$BranchName"
}
$params = @{
'UriFragment' = $uriFragment
'Description' = $description
'AcceptHeader' = (Get-MediaAcceptHeader -MediaType $MediaType)
'AccessToken' = $AccessToken
'TelemetryEventName' = $MyInvocation.MyCommand.Name
'TelemetryProperties' = $telemetryProperties
}
$result = Invoke-GHRestMethodMultipleResult @params
if ($ResultAsString)
{
if ($MediaType -eq 'Raw' -or $MediaType -eq 'Html')
{
# Decode bytes to string
$result = [System.Text.Encoding]::UTF8.GetString($result)
}
elseif ($MediaType -eq 'Object')
{
# Convert from base64
$decoded = [System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String($result.content))
Add-Member -InputObject $result -NotePropertyName "contentAsString" -NotePropertyValue $decoded
}
}
if ($MediaType -eq 'Object')
{
$null = $result | Add-GitHubContentAdditionalProperties
}
return $result
}
filter Set-GitHubContent
{
<#
.SYNOPSIS
Sets the contents of a file or directory in a repository on GitHub.
.DESCRIPTION
Sets the contents of a file or directory in a repository on GitHub.
The Git repo for this module can be found here: http://aka.ms/PowerShellForGitHub
.PARAMETER OwnerName
Owner of the repository.
If not supplied here, the DefaultOwnerName configuration property value will be used.
.PARAMETER RepositoryName
Name of the repository.
If not supplied here, the DefaultRepositoryName configuration property value will be used.
.PARAMETER Uri
Uri for the repository.
The OwnerName and RepositoryName will be extracted from here instead of needing to provide
them individually.
.PARAMETER Path
The file path for which to set contents.
.PARAMETER CommitMessage
The Git commit message.
.PARAMETER Content
The new file content.
.PARAMETER Sha
The SHA value of the current file if present. If this parameter is not provided, and the
file currently exists in the specified branch of the repo, it will be read to obtain this
value.
.PARAMETER BranchName
The branch, or defaults to the default branch if not specified.
.PARAMETER CommitterName
The name of the committer of the commit. Defaults to the name of the authenticated user if
not specified. If specified, CommiterEmail must also be specified.
.PARAMETER CommitterEmail
The email of the committer of the commit. Defaults to the email of the authenticated user
if not specified. If specified, CommitterName must also be specified.
.PARAMETER AuthorName
The name of the author of the commit. Defaults to the name of the authenticated user if
not specified. If specified, AuthorEmail must also be specified.
.PARAMETER AuthorEmail
The email of the author of the commit. Defaults to the email of the authenticated user if
not specified. If specified, AuthorName must also be specified.
.PARAMETER PassThru
Returns the updated GitHub Content. By default, this cmdlet does not generate any output.
You can use "Set-GitHubConfiguration -DefaultPassThru" to control the default behavior
of this switch.
.PARAMETER AccessToken
If provided, this will be used as the AccessToken for authentication with the
REST Api. Otherwise, will attempt to use the configured value or will run unauthenticated.
.INPUTS
GitHub.Branch
GitHub.Content
GitHub.Event
GitHub.Issue
GitHub.IssueComment
GitHub.Label
GitHub.Milestone
GitHub.PullRequest
GitHub.Project
GitHub.ProjectCard
GitHub.ProjectColumn
GitHub.Release
GitHub.Repository
.OUTPUTS
GitHub.Content
.EXAMPLE
Set-GitHubContent -OwnerName microsoft -RepositoryName PowerShellForGitHub -Path README.md -CommitMessage 'Adding README.md' -Content '# README' -BranchName master
Sets the contents of the README.md file on the master branch of the PowerShellForGithub repository.
#>
[CmdletBinding(
SupportsShouldProcess,
PositionalBinding = $false)]
[OutputType({$script:GitHubContentTypeName})]
param(
[Parameter(
Mandatory,
ParameterSetName = 'Elements')]
[string] $OwnerName,
[Parameter(
Mandatory,
ParameterSetName = 'Elements')]
[string] $RepositoryName,
[Parameter(
Mandatory,
ValueFromPipelineByPropertyName,
Position = 1,
ParameterSetName='Uri')]
[Alias('RepositoryUrl')]
[string] $Uri,
[Parameter(
Mandatory,
ValueFromPipelineByPropertyName,
Position = 2)]
[string] $Path,
[Parameter(
Mandatory,
Position = 3)]
[string] $CommitMessage,
[Parameter(
Mandatory,
Position = 4)]
[string] $Content,
[Parameter(ValueFromPipelineByPropertyName)]
[string] $Sha,
[Parameter(ValueFromPipelineByPropertyName)]
[string] $BranchName,
[string] $CommitterName,
[string] $CommitterEmail,
[string] $AuthorName,
[string] $AuthorEmail,
[switch] $PassThru,
[string] $AccessToken
)
Write-InvocationLog
$elements = Resolve-RepositoryElements -DisableValidation
$OwnerName = $elements.ownerName
$RepositoryName = $elements.repositoryName
$telemetryProperties = @{
'OwnerName' = (Get-PiiSafeString -PlainText $OwnerName)
'RepositoryName' = (Get-PiiSafeString -PlainText $RepositoryName)
}
$uriFragment = "/repos/$OwnerName/$RepositoryName/contents/$Path"
$encodedContent = [Convert]::ToBase64String([System.Text.Encoding]::Unicode.GetBytes($Content))
$hashBody = @{
message = $CommitMessage
content = $encodedContent
}
if ($PSBoundParameters.ContainsKey('BranchName'))
{
$hashBody['branch'] = $BranchName
}
if ($PSBoundParameters.ContainsKey('CommitterName') -or
$PSBoundParameters.ContainsKey('CommitterEmail'))
{
if (![System.String]::IsNullOrEmpty($CommitterName) -and
![System.String]::IsNullOrEmpty($CommitterEmail))
{
$hashBody['committer'] = @{
name = $CommitterName
email = $CommitterEmail
}
}
else
{
$message = 'Both CommiterName and CommitterEmail need to be specified.'
Write-Log -Message $message -Level Error
throw $message
}
}
if ($PSBoundParameters.ContainsKey('AuthorName') -or
$PSBoundParameters.ContainsKey('AuthorEmail'))
{
if (![System.String]::IsNullOrEmpty($AuthorName) -and
![System.String]::IsNullOrEmpty($AuthorEmail))
{
$hashBody['author'] = @{
name = $AuthorName
email = $AuthorEmail
}
}
else
{
$message = 'Both AuthorName and AuthorEmail need to be specified.'
Write-Log -Message $message -Level Error
throw $message
}
}
if ($PSBoundParameters.ContainsKey('Sha'))
{
$hashBody['sha'] = $Sha
}
if (-not $PSCmdlet.ShouldProcess(
"$BranchName branch of $RepositoryName",
"Set GitHub Contents on $Path"))
{
return
}
$params = @{
UriFragment = $uriFragment
Description = "Writing content for $Path in the $BranchName branch of $RepositoryName"
Body = (ConvertTo-Json -InputObject $hashBody)
Method = 'Put'
AccessToken = $AccessToken
TelemetryEventName = $MyInvocation.MyCommand.Name
TelemetryProperties = $telemetryProperties
}
try
{
$result = (Invoke-GHRestMethod @params | Add-GitHubContentAdditionalProperties)
if (Resolve-ParameterWithDefaultConfigurationValue -Name PassThru -ConfigValueName DefaultPassThru)
{
return $result
}
}
catch
{
$overwriteShaRequired = $false
# Temporary code to handle current differences in exception object between PS5 and PS7
if ($PSVersionTable.PSedition -eq 'Core')
{
$errorMessage = ($_.ErrorDetails.Message | ConvertFrom-Json).message -replace '\n',' ' -replace '\"','"'
if (($_.Exception -is [Microsoft.PowerShell.Commands.HttpResponseException]) -and
($errorMessage -eq 'Invalid request. "sha" wasn''t supplied.'))
{
$overwriteShaRequired = $true
}
else
{
throw $_
}
}
else
{
$errorMessage = $_.Exception.Message -replace '\n',' ' -replace '\"','"'
if ($errorMessage -like '*Invalid request. "sha" wasn''t supplied.*')
{
$overwriteShaRequired = $true
}
else
{
throw $_
}
}
if ($overwriteShaRequired)
{
# Get SHA from current file
$getGitHubContentParms = @{
Path = $Path
OwnerName = $OwnerName
RepositoryName = $RepositoryName
}
if ($PSBoundParameters.ContainsKey('BranchName'))
{
$getGitHubContentParms['BranchName'] = $BranchName
}
if ($PSBoundParameters.ContainsKey('AccessToken'))
{
$getGitHubContentParms['AccessToken'] = $AccessToken
}
$object = Get-GitHubContent @getGitHubContentParms
$hashBody['sha'] = $object.sha
$params['body'] = ConvertTo-Json -InputObject $hashBody
$message = 'Replacing the content of an existing file requires the current SHA ' +
'of that file. Retrieving the SHA now.'
Write-Log -Level Verbose -Message $message
$result = (Invoke-GHRestMethod @params | Add-GitHubContentAdditionalProperties)
if (Resolve-ParameterWithDefaultConfigurationValue -Name PassThru -ConfigValueName DefaultPassThru)
{
return $result
}
}
}
}
filter Add-GitHubContentAdditionalProperties
{
<#
.SYNOPSIS
Adds type name and additional properties to ease pipelining to GitHub Content objects.
.PARAMETER InputObject
The GitHub object to add additional properties to.
.PARAMETER TypeName
The type that should be assigned to the object.
.INPUTS
[PSCustomObject]
.OUTPUTS
GitHub.Content
#>
[CmdletBinding()]
[Diagnostics.CodeAnalysis.SuppressMessageAttribute("PSUseSingularNouns", "", Justification="Internal helper that is definitely adding more than one property.")]
param(
[Parameter(
Mandatory,
ValueFromPipeline)]
[AllowNull()]
[AllowEmptyCollection()]
[PSCustomObject[]] $InputObject,
[ValidateNotNullOrEmpty()]
[string] $TypeName = $script:GitHubContentTypeName
)
foreach ($item in $InputObject)
{
$item.PSObject.TypeNames.Insert(0, $TypeName)
if (-not (Get-GitHubConfiguration -Name DisablePipelineSupport))
{
if ($item.html_url)
{
$uri = $item.html_url
}
else
{
$uri = $item.content.html_url
}
$elements = Split-GitHubUri -Uri $uri
$repositoryUrl = Join-GitHubUri @elements
Add-Member -InputObject $item -Name 'RepositoryUrl' -Value $repositoryUrl -MemberType NoteProperty -Force
$hostName = $(Get-GitHubConfiguration -Name 'ApiHostName')
if ($uri -match "^https?://(?:www\.|api\.|)$hostName/(?:[^/]+)/(?:[^/]+)/(?:blob|tree)/([^/]+)/([^#]*)?$")
{
$branchName = $Matches[1]
$path = $Matches[2]
}
else
{
$branchName = [String]::Empty
$path = [String]::Empty
}
Add-Member -InputObject $item -Name 'BranchName' -Value $branchName -MemberType NoteProperty -Force
Add-Member -InputObject $item -Name 'Path' -Value $path -MemberType NoteProperty -Force
}
Write-Output $item
}
}