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Basic認証下でFacebook等のOGP確認方法

Last updated at Posted at 2013-05-13

開発中のサイトでOGPの動作確認をしたい時、
Basic認証をかけているとFacebookやmixi等のクローラがOGPタグを取得・解析出来ない。
そこで、それらクローラからのアクセスは以下の様にBasic認証無しにする。

.htaccess
AuthUserFile /path/to/.htpasswd
AuthGroupFile /dev/null
AuthName "Input ID and Password."
AuthType Basic

BrowserMatchNoCase facebookexternalhit/1.1 (+http://www.facebook.com/externalhit_uatext.php) is_facebook=1
BrowserMatchNoCase mixi-check/1.0 (http://mixi.jp/) is_mixi=1

Satisfy any
Require valid-user
Order allow,deny

allow from env=is_facebook
allow from env=is_mixi

allow from localhost
allow from 127.0.0.1
allow from 192.168.11.0/24
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