dokuwiki_interwiki_shortcuts

DokuWiki InterWiki Shortcuts

The original idea of InterWiki was to have one large distributed Wiki over the whole Internet. Today its more of an easy way to hyperlink from one wiki to another by having some simple Hyperlink syntax to accomplish so.

In DokuWiki this is done by prefixing Wiki pagenames with a shortcut separated by a > character.

Examples:

[[wp>InterWiki]] InterWiki links to the English language Wikipedia
[[phpfn>random]] random links to a function in the PHP manual
[[google>Wiki]] Wiki links to a Google search
[[doku>interwiki]] interwiki links to the DokuWiki wiki
[[skype>echo123]] echo123 Links that opens Skype, ready to call Skype Test Call (echo123)
[[this>feed.php]] feed.php links to your wiki's URL. The example links to the local XML feed. [[this>]] is a special case and the only interwiki link which **cannot be configured** through any config file.

Here's an example of how to access an arbitrary file in dokuwiki's data/media directory by clicking on an image. It's useful for videos and pdf files.

 [[this>lib/exe/fetch.php?media=video.ogg|{{image.png?300}}]]

Since DokuWiki Release 2017-02-19b “Frusterick Manners”, interwiki substitution for external images is available.

{{ phpfn>images/php.gif?96}}
 {{ phpfn>images/php.gif?96}}

Configuring InterWiki Shortcuts

InterWiki shortcuts are defined in two files:

https://github.com/splitbrain/dokuwiki/tree/master/conf

The interwiki shortcut has to be in lowercase and follow the pagename rules.

The format of the interwiki config file is:

conf/interwiki.local.conf
<shortcut>      <url to wiki>

The shortcut is the one you will be able to use in the link later. In the URL you can use some placeholders to be more flexible in linking. If no placeholder is given the URL-encoded wikiname will be appended to the URL. These placeholders are available:

Placeholder Replaced by
{URL} URL-encoded wikiname (the part which is appended to the URL in interwiki.local.conf)
{NAME} wikiname without any encoding
{SCHEME} scheme part if a URL was given as wikiname
{HOST} host part if a URL was given as wikiname
{PORT} port part if a URL was given as wikiname
{PATH} path part if a URL was given as wikiname
{QUERY} query part if a URL was given as wikiname

The last 5 parameters are useful when creating interwikilinks to cachesystems.

For example cached links with the old, not longer working, Coral Content Distribution Network could be used by a coral shortcut, defined using a couple of placeholders:

conf/interwiki.local.conf
coral http://{HOST}.{PORT}.nyud.net:8090{PATH}?{QUERY}

For example, Ubuntu's wiki uses namespaces and pagenames like this LaptopTestingTeam/ToshibaPortegeM700 and without using {NAME} as a placeholder in your interwiki.local.conf file, you'll get a “Not Found” error on their wiki, because it'll interpret the forward slash as a %2F ; so what you can do is add this line to your interwiki.local.conf:

conf/interwiki.local.conf
ubuntu https://wiki.ubuntu.com/{NAME}

and now create your link to it like this:

[[ubuntu>LaptopTestingTeam/ToshibaPortegeM700|Ubuntu on Toshiba Portege M700 Tablet]]

If the wikiname will already include encoded characters (ex: %26 for &) use {PATH} in your interwiki.local.conf definition.

To refer to certain namespaces within you own wiki:1)

conf/interwiki.local.conf
<shortcut>      <dokuwiki_root>:ns:..:

For example: enlib doku.php?id=:en:lib: would address pages in the namespace :en:lib:pagename if using the link syntax enlib>pagename.

Configuring InterWiki Shortcut Icons

Interwiki icons should have a size of 16×16 pixels, be in PNG or GIF format, and be named after the shortcut.

 * ''/lib/images/interwiki''\\ The directory to place the image files in.

You should also purge cached PNG and GIF images as well as the CSS Files if you have the default image instead of the one you uploaded.

rm -rf <dokuwiki_data>/data/cache/*/*.{gif,png,css}

It may actually be enough to invalidate the CSS caching by re-saving in the config manager ('re-saving' means pressing the save button of config manager without any changes of config options).

If you want to disable all or some kind of link icons, refer to disabling link icons.

Tip

Hashtag (Fragment)

If you are using the name of your interwiki in the fragment part of your URL, you need to escape it.

Example:

 * Configuration

conf/interwiki.local.conf
postconf  http://www.postfix.org/postconf.5.html\#{NAME}

 * Usage

[[postconf>smtpd_tls_received_header]]
See also

 * [[tips:interwiki_shortcuts|Additional InterWiki Shortcuts]]
 * [[config|Configuring DokuWiki]]

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1)
Note: the link would always appear as if the page already exists. No 'preprove'.
dokuwiki_interwiki_shortcuts.txt · Last modified: 2022/01/23 20:36 by 127.0.0.1