・WebDAV+SSLを構築する

・WebDAV+SSLを構築する

VPS上のディスク容量にまだ余裕があるし、DropBoxの容量もだいぶ少なくなってきたので、WebDAVとか作ってみようと思う。
外出先でiPhoneとかでデータを見たい時があったりするし、データはクラウド上に保存しておいたほうが何かと便利だし。
それに、SVN(Subversion)とか使えば「なんちゃってDoropBox」みたいなのができるかもしれないし。。

iPhoneのアプリ「Ari Sharing」や「GoodReader」を使うとWebDAV上のファイルを参照したりできるので便利だと思う。
「GoodReader」ではファイルの更新もできるよ!。一度WebDAVからダウンロードする必要があるけど・・・
「Ari Sharing」でも出来るのかもしれないけどやり方解らなかった。

とりあえす、WebDAVを作ってみよう。

 

前提条件:
Apache+SSL環境構築が出来ていること

方針:
・WevDAV専用のディレクトリでWebDAV+SSLを使用する。
・WebDAVへのアクセスはSSLのみでしか受け付けない
・WebDAVの認証はBASIC認証にする(SSLでしか接続させないので。。)

注意:
Windowsでネットワークドライブとして割り当てるには、Apache+SSL環境構築で掲載している「ブラウザ用の証明書作成」が必要。
これがないとWindows7ではネットワークドライブの割り当てができないらしい。
試した感じだと、WebDAVをドライブに割り当てるにはSSLで暗号化されていること、かつ証明書を持っていることが条件な感じ。
iPhoneとか、Linuxでは証明書なくても出来てしまうけどWinでは、ないとダメっぽい。

WebDAVディレクトリを作成

mkdir /home/webdav

設定ファイルを新規作成

vi /etc/apache2/sites-available/111-webdav-ssl
 
	Alias /dav /home/webdav
 
                DAV On                                            <<WebDAV有効
                SSLRequireSSL                                   <<SSL接続のみ有効
                AuthType Basic                                   <<認証タイプ
                AuthName "Brokendish Cloud"                     <<ダイアログ表示用メッセージ
                AuthUserFile /hoge/hogehoge/.httpd/.htpasswd     <<認証PWDファイル
                require valid-user                              <<認証ファイルにあるユーザを許可
                Options Includes ExecCGI FollowSymLinks Indexes <<ファイル一覧を表示、シンボリックリンク先を参照等
                Order deny,allow                                <<全てを拒否してから許可

・ディレクトリのパーミッション設定

このままだと、書き込みができないので「public_html」配下を「www-data」グループで書込みできるようにする

chown -R hoge.www-data public_html
chmod -R g+wr public_html

・設定の反映

Apacheモジュール「dav_fs」停止

a2dismod dav_fs

Apacheモジュール「dav_fs」起動

a2enmod dav_fs

・WebDAVの設定を有効化

a2ensite 111-webdav-ssl

・WebDAVの設定を無効化

a2dissite 111-webdav-ssl

Apache本体を再起動

/etc/init.d/apache2 restart

確認
アクセス:https://hogehoge.org/dav

 
・Apacheの設定ファイルを整理する

SSLの設定とかWebDAVの設定とかで色々いじったのでApacheの設定ファイルを整理する

現状で有効になっているサイト

001-wordPress     ../sites-available/020-wordPress
010-default-ssl   ../sites-available/010-default-ssl
090-usrDir-auth   ../sites-available/090-usrDir-auth
111-webdav-ssl    ../sites-available/111-webdav-ssl

——【001-wordPress】——

	ServerAdmin webmaster@localhost
	ServerName brokendish.org
	DocumentRoot /hoge/wordpress/
 
#		 Options Indexes FollowSymLinks MultiViews
		 Options FollowSymLinks MultiViews
		 AllowOverride All
		 Order allow,deny
		 allow from all
 
        ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
 
                AllowOverride None
                Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
                Order allow,deny
                Allow from all
 
        ErrorLog /var/log/apache2/error.log
 
        # Possible values include: debug, info, notice, warn, error, crit,
        # alert, emerg.
        LogLevel warn
 
        CustomLog /var/log/apache2/access.log combined
 
    Alias /doc/ "/usr/share/doc/"
 
        Options Indexes MultiViews FollowSymLinks
        AllowOverride None
        Order deny,allow
        Deny from all
        Allow from 127.0.0.0/255.0.0.0 ::1/128

——【010-default-ssl】——

 
	ServerAdmin webmaster@localhost
 
	DocumentRoot /var/www
 
		Options FollowSymLinks
		AllowOverride None
 
		Options Indexes FollowSymLinks MultiViews
		AllowOverride None
		Order allow,deny
		allow from all
 
	ScriptAlias /cgi-bin/ /usr/lib/cgi-bin/
 
		AllowOverride None
		Options +ExecCGI -MultiViews +SymLinksIfOwnerMatch
		Order allow,deny
		Allow from all
 
	ErrorLog /var/log/apache2/error.log
 
	# Possible values include: debug, info, notice, warn, error, crit,
	# alert, emerg.
	LogLevel warn
 
	CustomLog /var/log/apache2/ssl_access.log combined
 
	Alias /doc/ "/usr/share/doc/"
 
		Options Indexes MultiViews FollowSymLinks
		AllowOverride None
		Order deny,allow
		Deny from all
		Allow from 127.0.0.0/255.0.0.0 ::1/128
 
	#   SSL Engine Switch:
	#   Enable/Disable SSL for this virtual host.
	SSLEngine on
 
	#   A self-signed (snakeoil) certificate can be created by installing
	#   the ssl-cert package. See
	#   /usr/share/doc/apache2.2-common/README.Debian.gz for more info.
	#   If both key and certificate are stored in the same file, only the
	#   SSLCertificateFile directive is needed.
	#SSLCertificateFile    /etc/ssl/certs/ssl-cert-snakeoil.pem
	#SSLCertificateKeyFile /etc/ssl/private/ssl-cert-snakeoil.key
        SSLCertificateFile    /etc/apache2/ssl/cakey.pem
        SSLCertificateKeyFile /etc/apache2/ssl/66e85a30
 
	#   Server Certificate Chain:
	#   Point SSLCertificateChainFile at a file containing the
	#   concatenation of PEM encoded CA certificates which form the
	#   certificate chain for the server certificate. Alternatively
	#   the referenced file can be the same as SSLCertificateFile
	#   when the CA certificates are directly appended to the server
	#   certificate for convinience.
	#SSLCertificateChainFile /etc/apache2/ssl.crt/server-ca.crt
 
	#   Certificate Authority (CA):
	#   Set the CA certificate verification path where to find CA
	#   certificates for client authentication or alternatively one
	#   huge file containing all of them (file must be PEM encoded)
	#   Note: Inside SSLCACertificatePath you need hash symlinks
	#         to point to the certificate files. Use the provided
	#         Makefile to update the hash symlinks after changes.
	#SSLCACertificatePath /etc/ssl/certs/
	#SSLCACertificateFile /etc/apache2/ssl.crt/ca-bundle.crt
 
	#   Certificate Revocation Lists (CRL):
	#   Set the CA revocation path where to find CA CRLs for client
	#   authentication or alternatively one huge file containing all
	#   of them (file must be PEM encoded)
	#   Note: Inside SSLCARevocationPath you need hash symlinks
	#         to point to the certificate files. Use the provided
	#         Makefile to update the hash symlinks after changes.
	#SSLCARevocationPath /etc/apache2/ssl.crl/
	#SSLCARevocationFile /etc/apache2/ssl.crl/ca-bundle.crl
 
	#   Client Authentication (Type):
	#   Client certificate verification type and depth.  Types are
	#   none, optional, require and optional_no_ca.  Depth is a
	#   number which specifies how deeply to verify the certificate
	#   issuer chain before deciding the certificate is not valid.
	#SSLVerifyClient require
	#SSLVerifyDepth  10
 
	#   Access Control:
	#   With SSLRequire you can do per-directory access control based
	#   on arbitrary complex boolean expressions containing server
	#   variable checks and other lookup directives.  The syntax is a
	#   mixture between C and Perl.  See the mod_ssl documentation
	#   for more details.
	#
	#SSLRequire (    %{SSL_CIPHER} !~ m/^(EXP|NULL)/ \
	#            and %{SSL_CLIENT_S_DN_O} eq "Snake Oil, Ltd." \
	#            and %{SSL_CLIENT_S_DN_OU} in {"Staff", "CA", "Dev"} \
	#            and %{TIME_WDAY} >= 1 and %{TIME_WDAY} = 8 and %{TIME_HOUR} 
 
	#   SSL Engine Options:
	#   Set various options for the SSL engine.
	#   o FakeBasicAuth:
	#     Translate the client X.509 into a Basic Authorisation.  This means that
	#     the standard Auth/DBMAuth methods can be used for access control.  The
	#     user name is the `one line' version of the client's X.509 certificate.
	#     Note that no password is obtained from the user. Every entry in the user
	#     file needs this password: `xxj31ZMTZzkVA'.
	#   o ExportCertData:
	#     This exports two additional environment variables: SSL_CLIENT_CERT and
	#     SSL_SERVER_CERT. These contain the PEM-encoded certificates of the
	#     server (always existing) and the client (only existing when client
	#     authentication is used). This can be used to import the certificates
	#     into CGI scripts.
	#   o StdEnvVars:
	#     This exports the standard SSL/TLS related `SSL_*' environment variables.
	#     Per default this exportation is switched off for performance reasons,
	#     because the extraction step is an expensive operation and is usually
	#     useless for serving static content. So one usually enables the
	#     exportation for CGI and SSI requests only.
	#   o StrictRequire:
	#     This denies access when "SSLRequireSSL" or "SSLRequire" applied even
	#     under a "Satisfy any" situation, i.e. when it applies access is denied
	#     and no other module can change it.
	#   o OptRenegotiate:
	#     This enables optimized SSL connection renegotiation handling when SSL
	#     directives are used in per-directory context.
	#SSLOptions +FakeBasicAuth +ExportCertData +StrictRequire
 
		SSLOptions +StdEnvVars
 
		SSLOptions +StdEnvVars
 
	#   SSL Protocol Adjustments:
	#   The safe and default but still SSL/TLS standard compliant shutdown
	#   approach is that mod_ssl sends the close notify alert but doesn't wait for
	#   the close notify alert from client. When you need a different shutdown
	#   approach you can use one of the following variables:
	#   o ssl-unclean-shutdown:
	#     This forces an unclean shutdown when the connection is closed, i.e. no
	#     SSL close notify alert is send or allowed to received.  This violates
	#     the SSL/TLS standard but is needed for some brain-dead browsers. Use
	#     this when you receive I/O errors because of the standard approach where
	#     mod_ssl sends the close notify alert.
	#   o ssl-accurate-shutdown:
	#     This forces an accurate shutdown when the connection is closed, i.e. a
	#     SSL close notify alert is send and mod_ssl waits for the close notify
	#     alert of the client. This is 100% SSL/TLS standard compliant, but in
	#     practice often causes hanging connections with brain-dead browsers. Use
	#     this only for browsers where you know that their SSL implementation
	#     works correctly.
	#   Notice: Most problems of broken clients are also related to the HTTP
	#   keep-alive facility, so you usually additionally want to disable
	#   keep-alive for those clients, too. Use variable "nokeepalive" for this.
	#   Similarly, one has to force some clients to use HTTP/1.0 to workaround
	#   their broken HTTP/1.1 implementation. Use variables "downgrade-1.0" and
	#   "force-response-1.0" for this.
	BrowserMatch ".*MSIE.*" \
		nokeepalive ssl-unclean-shutdown \
		downgrade-1.0 force-response-1.0

——【090-usrDir-auth】——

                AuthType Basic
                AuthName "Brokendish Cloud"
                AuthUserFile /hoge/hogehoge/.httpd/.htpasswd
                require valid-user
                Options Includes ExecCGI FollowSymLinks
		#indexを表示
                Options Indexes
                Order deny,allow

——【111-webdav-ssl】——

	Alias /dav /hoge/webdav
 
                DAV On
                SSLRequireSSL
                AuthType Basic
                AuthName "Brokendish Cloud"
                AuthUserFile /hoge/hogehoge/.httpd/.htpasswd
                require valid-user
                Options Includes ExecCGI FollowSymLinks Indexes
                Order deny,allow
 

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