Add plugin : loggin button for Shibboleth authentification.

plugin/add_shibboleth_login_button/css.css

@@ -0,0 +1,12 @@
+    .shibboleth_plugin_image {
+        float:left; 
+        height:50px;
+        margin: 0px 5px 5px 0px;        
+    }
+    .shibboleth_plugin_comm {
+        font-style:italic;
+    }
+    .shibboleth_plugin_clear {
+        clear:both;
+        height:1px;
+    }

plugin/add_shibboleth_login_button/index.php

@@ -0,0 +1,21 @@
+<?php
+// Show the Shibboleth button to login using SHIBBOLETH
+
+$_template['show_message']   = false;
+
+if (api_is_anonymous()) {
+    $_template['show_message']   = true;
+    // the default title
+    $button_label = "Connexion via Shibboleth";
+    if (!empty($plugin_info['settings']['add_shibboleth_login_button_shibboleth_button_label'])) {
+        $button_label = api_htmlentities($plugin_info['settings']['add_shibboleth_login_button_shibboleth_button_label']);
+    }
+    // the comm
+    $comm_label = api_htmlentities($plugin_info['settings']['add_shibboleth_login_button_shibboleth_button_comment']);;
+    // URL of the image
+    $url_label = $plugin_info['settings']['add_shibboleth_login_button_shibboleth_image_url'];
+    
+    $_template['button_label'] = $button_label;
+    $_template['comm_label'] = $comm_label;
+    $_template['url_label'] = $url_label;
+}

plugin/add_shibboleth_login_button/plugin.php

@@ -0,0 +1,43 @@
+<?php
+/**
+ * This script is a configuration file for the date plugin. You can use it as a master for other platform plugins (course plugins are slightly different).
+ * These settings will be used in the administration interface for plugins (Chamilo configuration settings->Plugins)
+ * @package chamilo.plugin
+ * @author Julio Montoya <gugli100@gmail.com>
+ */
+/**
+ * Plugin details (must be present)
+ */
+
+
+
+//the plugin title
+$plugin_info['title']      = 'Add a button to login using Shibboleth';
+
+//the comments that go with the plugin
+$plugin_info['comment']     = "If Shibboleth is configured, this plugin add a text and a button on the login page to login with Shibboleth. Configure plugin to add title, comment and logo.";
+//the plugin version
+$plugin_info['version']     = '1.0';
+//the plugin author
+$plugin_info['author']      = 'Hubert Borderiou';
+
+//the plugin configuration
+$form = new FormValidator('add_shibboleth_button_form');
+$form->addElement('text', 'shibboleth_button_label', 'shibboleth connexion title', '');
+$form->addElement('text', 'shibboleth_button_comment', 'shibboleth connexion description', '');
+$form->addElement('text', 'shibboleth_image_url', 'Logo URL if any (image, 50px height)');
+$form->addElement('style_submit_button', 'submit_button', get_lang('Save'));  
+//get default value for form
+$tab_default_add_shibboleth_login_button_shibboleth_button_label = api_get_setting('add_shibboleth_login_button_shibboleth_button_label');
+$tab_default_add_shibboleth_login_button_shibboleth_button_comment = api_get_setting('add_shibboleth_login_button_shibboleth_button_comment');
+$tab_default_add_shibboleth_login_button_shibboleth_image_url = api_get_setting('add_shibboleth_login_button_shibboleth_image_url');
+$defaults = array();
+$defaults['shibboleth_button_label'] = $tab_default_add_shibboleth_login_button_shibboleth_button_label['add_shibboleth_login_button'];
+$defaults['shibboleth_button_comment'] = $tab_default_add_shibboleth_login_button_shibboleth_button_comment['add_shibboleth_login_button'];
+$defaults['shibboleth_image_url'] = $tab_default_add_shibboleth_login_button_shibboleth_image_url['add_shibboleth_login_button'];
+$form->setDefaults($defaults);
+//display form
+$plugin_info['settings_form'] = $form;
+
+//set the templates that are going to be used
+$plugin_info['templates']   = array('template.tpl');

plugin/add_shibboleth_login_button/readme.txt

@@ -0,0 +1,6 @@
+README
+<br/><br/>
+This plugin add a button to allow user to login to Chamilo with Shibboleth authentification.<br/><br/>
+You have to configure your Shibboleth connexion before use this plugin.<br/>
+To activate and configure Shibboleth, for your Chamilo platform, go to Administration > Configuration settings > Shibboleth<br/>
+This plugin has been done to be added in the login_top region, but you can put it where you want.<br/>

plugin/add_shibboleth_login_button/template.tpl

@@ -0,0 +1,15 @@
+
+{% if add_shibboleth_login_button.show_message %}
+    <link href="{$_p.web_plugin}/add_shibboleth_login_button/css.css" rel="stylesheet" type="text/css"> 
+    <div class="well">
+        {% if add_shibboleth_login_button.url_label %}
+            <img src="{{add_shibboleth_login_button.url_label}}" class='shibboleth_plugin_image'/>
+        {% endif %}
+        <h4>{{add_shibboleth_login_button.button_label}}</h4>
+        {% if add_shibboleth_login_button.url_label %}
+            <div class='shibboleth_plugin_clear'>&nbsp;</div>
+        {% endif %}
+        <div class='shibboleth_plugin_comm'>{{add_shibboleth_login_button.comm_label}}</div>
+        <button class="btn" onclick="javascript:self.location.href='main/auth/shibboleth/login.php'">{{"LoginEnter"|get_lang}}</button>    
+    </div>
+{% endif %}