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Shariff plugin

This plugin adds social media buttons to your web site (to the footer of each page, the article page or the sidebar) without compromising the privacy of website users. It implements shariff by heise (Github, article) in Open Journal Systems.

This plugin has been tested with OJS version 3.2.1!


Available social media services (as of Shariff 3.2.1) are:

  • Twitter
  • Facebook
  • LinkedIn
  • Pinterest
  • XING
  • Whatsapp
  • AddThis
  • Tumblr
  • Flattr
  • diaspora*
  • reddit
  • StumbleUpon
  • Threema
  • Weibo
  • Qzone
  • Mail
  • Print
  • Buffer
  • Flipboard
  • Tencent-Weibo
  • Pocket
  • Telegram
  • vk
  • Info

Shariff buttons

Additionally an info button that links to the heise article can be added. You can also add a mail icon.

The plugin offers a selection of settings like themes, orientation and position of the social media buttons (see settings below).

The plugins will be displayed in the language of the website.

You can add the Shariff PHP Backend to display the number of likes (not tested, see below).


This plugin is licensed under the GNU General Public License v2. See the file LICENSE for the complete terms of this license.

System Requirements

This plugin is compatible with OJS version 3.2.1.


Clone this repo in your plugin folder (/plugins/generic) or download the code and tar.gz it and upload it via the gui (Website Settings > Plugins).


The following settings are available:

  • choose the services you would like to provide on the journal pages (see list above)
  • choose a provided theme for the social media buttons (standard, white, grey)
  • determine the position of the social media buttons on your journal web site (footer, sidebar or article/book page)
  • choose the orientation of the social media buttins (vertical or horizontal)

Shariff settings


Install the plugin as described above, activate it and choose the settings you prefer. If you choose the sidebar option, you need to enable the new Shariff-block under management/settings/website.

Display numbers

To display the numbers how often a page is shared in social media, you need to add the Shariff PHP Backend ( to you OJS installation. To set up the backend you need to have access to the code. Follow the steps:

  1. Download the Shariff PHP Backend release zip file and unzip it.
  2. Copy the folder to the top level of your installation, name it "shariff-backend" and make it writable.
  3. Change the domain in index.php to your domain.
  4. The installation registers the folder if is named "shariff-backend" and everything should be working.


Documentation, bug listings, and updates can be found on this plugin's homepage at Contact us via Find out more about the project

Version History

  • 3.0 - Adaption to OJS/OMP 3.1.2, update to Shariff Version 3.2.1
  • 2.0 - Adaption to OJS/OMP 3
  • 1.0 - Shariff plugin for OJS 2

Technical Documentation

This plugin works for OJS and OMP 3 (the code is the same). The shariff solution by heise (version v3.2.1) is included in the plugin code (MIT License). It adds the social media buttons using html, css and js. The plugin uses hooks to add content, no existing templates are being overwritten. No database access is needed.


The buttons are added via template hooks:

  • Templates::Common::Footer::PageFooter
  • Templates::Article::Details
  • Templates::Catalog::Book::Details

To add the plugin to the sidebar, this plugin is also a block plugin.


The shariff solution offers different settings (see data attributes A selection of them are used in this plugin (some are filled automatically, some can be chosen by the user in the plugin setting):

  • data-lang: The plugin reads the selected language of the GUI automatically and uses it to display the buttons in that language.
  • data-services: The user can choose from a list of services in the plugin settings (see above).
  • data-mail-url: The automatically set string "mailto" allows the usage of local mail clients.
  • data-mail-body: The plugin enters the respective url automatically.
  • data-backend-url: The backend url is read automatically if the folder exists. The folder has to be placed at the document root and named "shariff-backend".
  • data-theme: The user can choose between different themes in the plugin settings (see above).
  • data-orientation: The user can choose between two orientation in the plugin settings (see above).
  • data-url: The plugin adds the respective url automatically.


The Shariff plugin adds social media buttons to the website without compromising the privacy of website users, using Shariff ( solution.








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