はてなブログのエントリ一覧を取得する雑なスクリプト

Get-HatenaBlogEntries.ps1

#
# AtomPub APIを使うバージョン
#

# 設定
# 面倒なのでBasic認証
$hatenaId = 'はてなID'
$blogId = 'ブログID'
$cred = Get-Credential -UserName $hatenaId

# エントリ取得(下書き含む)
$entries = &{
    function GetXmlContent ([string]$Uri, [PSCredential]$Credential) {
        $result = [PSCustomObject]@{
            Content = $null;
            NextUri = $null;
        }
        $ret = Invoke-WebRequest -Uri $Uri -Credential $Credential
        if ($ret.StatusCode -ne 200) {
            return $result
        }
        $xml = [xml]$ret.Content
        $result.Content = $xml.feed.entry
        $result.NextUri = $xml.feed.link | Where-Object rel -eq next | Select-Object -ExpandProperty href
        return $result
    }

    $result = GetXmlContent -Uri "https://blog.hatena.ne.jp/$hatenaId/$blogId/atom/entry" -Credential $cred
    Write-Output $result.Content
    while (-not [string]::IsNullOrEmpty($result.NextUri)) {
        $result = GetXmlContent -Uri $result.NextUri -Credential $cred
        Write-Output $result.Content
    }
}

# 適当に出力
$entries | ForEach-Object {
    [PSCustomObject]@{
        Title = $_.Title;
        Url = $_.link | Where-Object rel -eq alternate | Select-Object -ExpandProperty href;
        IsDraft = $_.control.draft -eq 'yes';
        #Content = $_.content.'#text';
    }
} | Format-List

Get-HatenaBlogEntries2.ps1

#
# sitemap.xmlを辿るバージョン
# こっちの方が楽だった...
#

$url = 'https://blog.shibata.tech/'
$res = Invoke-WebRequest -Uri ([IO.Path]::Combine($url, 'sitemap.xml'))
if ($res.StatusCode -ne 200) {
    return
}
# sitemapの場合
Write-Output ([xml]$res.Content).urlset.url.loc
# sitemap indexの場合
foreach ($loc in ([xml]$res.Content).sitemapindex.sitemap.loc) {
    $res2 = Invoke-WebRequest -Uri $loc
    if ($res2.StatusCode -ne 200) {
        continue
    }
    Write-Output ([xml]$res2.Content).urlset.url.loc
}