new addon - cookienotice - configure, show and handle a simple cookie usage notice

cookienotice/README

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+Cookie Notice
+
+For server admins only.
+
+Configure, show and handle a simple cookie usage notice.
+
+Author: Peter liebetrau <https://socivitas.com/profile/peerteer>

cookienotice/cookienotice.css

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+#cookienotice-label {
+    float: left;
+    width: 300px;
+    margin-top: 10px;
+}
+
+#cookienotice-text {
+    float: left;
+    margin-top: 10px;
+    width: 400px;
+    height: 150px;
+}
+
+#cookienotice-submit {
+    margin-top: 15px;
+}
+
+.cookienotice {
+    text-align: center;
+    width: 100%;
+    margin-top: 25px;
+    font-size: 20px;
+}

cookienotice/cookienotice.php

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+<?php
+
+/**
+ * Name: Cookie Notice
+ * Description: Configure, show and handle a simple cookie notice
+ * Version: 1.0
+ * Author: Peter Liebetrau <https://socivitas/profile/peerteer>
+ * 
+ */
+use Friendica\Core\Addon;
+use Friendica\Core\Config;
+use Friendica\Core\L10n;
+
+function cookienotice_install()
+{
+    $file = 'addon/cookienotice/cookienotice.php';
+    Addon::registerHook('page_content_top', $file, 'cookienotice_page_content_top');
+    Addon::registerHook('page_end', $file, 'cookienotice_page_end');
+    Addon::registerHook('addon_settings', $file, 'cookienotice_addon_settings');
+    Addon::registerHook('addon_settings_post', $file, 'cookienotice_addon_settings_post');
+}
+
+function cookienotice_uninstall()
+{
+    $file = 'addon/cookienotice/cookienotice.php';
+    Addon::unregisterHook('page_content_top', $file, 'cookienotice_page_content_top');
+    Addon::unregisterHook('page_end', $file, 'cookienotice_page_end');
+    Addon::unregisterHook('addon_settings', $file, 'cookienotice_addon_settings');
+    Addon::unregisterHook('addon_settings_post', $file, 'cookienotice_addon_settings_post');
+}
+
+function cookienotice_addon_settings(&$a, &$s)
+{
+    if (!is_site_admin())
+        return;
+
+    /* Add our stylesheet to the page so we can make our settings look nice */
+
+    $a->page['htmlhead'] .= '<link rel="stylesheet"  type="text/css" href="/addon/cookienotice/cookienotice.css" media="all" />' . "\r\n";
+
+
+    $text = Config::get('cookienotice', 'text');
+    if (!$text) {
+        $text = '';
+    }
+    $oktext = Config::get('cookienotice', 'oktext');
+    if (!$oktext) {
+        $oktext = '';
+    }
+
+    $t = get_markup_template("settings.tpl", "addon/cookienotice/");
+    $s .= replace_macros($t, [
+        '$title'       => L10n::t('"cookienotice" Settings'),
+        '$description' => L10n::t('<b>Configure your cookie usage notice.</b> It should just be a notice, saying that the website uses cookies. It is shown as long as a user didnt confirm clicking the OK button.'),
+        '$text'        => ['cookienotice-text', L10n::t('Cookie Usage Notice'), $text, L10n::t('The cookie usage notice')],
+        '$oktext'      => ['cookienotice-oktext', L10n::t('OK Button Text'), $oktext, L10n::t('The OK Button text')],
+        '$submit'      => L10n::t('Save Settings')
+    ]);
+
+    return;
+}
+
+function cookienotice_addon_settings_post(&$a, &$b)
+{
+
+    if (!is_site_admin())
+        return;
+
+    if ($_POST['cookienotice-submit']) {
+        Config::set('cookienotice', 'text', trim(strip_tags($_POST['cookienotice-text'])));
+        Config::set('cookienotice', 'oktext', trim(strip_tags($_POST['cookienotice-oktext'])));
+        info(L10n::t('cookienotice Settings saved.') . EOL);
+    }
+}
+
+/**
+ * adds the link and script to the page head
+ * 
+ * @param App $a
+ * @param string $b - The page html before page_content_top
+ */
+function cookienotice_page_content_top($a, &$b)
+{
+    $head                = file_get_contents(__DIR__ . '/templates/head.tpl');
+    $a->page['htmlhead'] .= $head;
+}
+
+/**
+ * adds the html to page end
+ * page_end hook function
+ * 
+ * @param App $a
+ * @param string $b - The page html
+ */
+function cookienotice_page_end($a, &$b)
+{
+
+    $text   = (string) Config::get('cookienotice', 'text');
+    $oktext = (string) Config::get('cookienotice', 'oktext');
+
+    $page_end_tpl = get_markup_template("cookienotice.tpl", "addon/cookienotice/");
+
+    $page_end = replace_macros($page_end_tpl, [
+        '$text'   => $text,
+        '$oktext' => $oktext,
+    ]);
+
+    $b .= $page_end;
+}

cookienotice/templates/cookienotice.tpl

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+<style type="text/css">
+    #cookienotice-box {
+        display: none;
+        position: fixed;
+        z-index: 10000;
+        bottom: 0px;
+        left: 0;
+        width: 100%;
+        background-color: #101010;
+        color: #f0f0f0;
+        padding: 2em 1em;
+        text-align: center;
+    }
+    #cookienotice-ok-button {
+        border: 1px solid darkgoldenrod;
+        background-color: gold;
+        color: #101010;
+        min-width: 80px;
+        padding: .5em .1em;
+    }
+</style>
+<div id="cookienotice-box"><p>{{$text}}</p><button id="cookienotice-ok-button">{{$oktext}}</button></div>
+

cookienotice/templates/head.tpl

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+<!-- <link rel="stylesheet" type="text/css" href="/addon/cookienotice/css/cookienotice.css" /> -->
+<script>
+    window.addEventListener("load", function () {
+        var cookiename = 'cncookiesaccepted'
+        var cookie = getCookie(cookiename);
+        
+        if (cookie == "") {
+            document.getElementById('cookienotice-box').style.display = 'block';
+            document.getElementById('cookienotice-ok-button').onclick = function () {
+                console.log('clicked');
+                setCookie(cookiename, 1, 365);
+                document.getElementById('cookienotice-box').style.display = 'none';
+            };
+        }
+        
+        function setCookie(cname, cvalue, exdays) {
+            var d = new Date();
+            d.setTime(d.getTime() + (exdays * 24 * 60 * 60 * 1000));
+            var expires = "expires=" + d.toUTCString();
+            document.cookie = cname + "=" + cvalue + ";" + expires + ";path=/";
+        }
+        
+        function getCookie(cname) {
+            var name = cname + "=";
+            var decodedCookie = decodeURIComponent(document.cookie);
+            var ca = decodedCookie.split(';');
+            for (var i = 0; i < ca.length; i++) {
+                var c = ca[i];
+                while (c.charAt(0) == ' ') {
+                    c = c.substring(1);
+                }
+                if (c.indexOf(name) == 0) {
+                    return c.substring(name.length, c.length);
+                }
+            }
+            return "";
+        }
+
+    });
+</script>

cookienotice/templates/settings.tpl

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+<span id="settings_cookienotice_inflated" class="settings-block fakelink" style="display: block;" onclick="openClose('settings_cookienotice_expanded'); openClose('settings_cookienotice_inflated');">
+	<h3>{{$title}}</h3>
+</span>
+<div id="settings_cookienotice_expanded" class="settings-block" style="display: none;">
+	<span class="fakelink" onclick="openClose('settings_cookienotice_expanded'); openClose('settings_cookienotice_inflated');">
+		<h3>{{$title}}</h3>
+	</span>
+        <p>{{$description}}</p>
+	{{include file="field_textarea.tpl" field=$text}}
+        {{include file="field_input.tpl" field=$oktext}}
+	<div class="settings-submit-wrapper" >
+		<input type="submit" id="cookienotice-submit" name="cookienotice-submit" class="settings-submit" value="{{$submit}}" />
+	</div>
+</div>
+<div class="clear"></div>

nbproject/project.properties

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+include.path=${php.global.include.path}
+php.version=PHP_70
+source.encoding=UTF-8
+src.dir=.
+tags.asp=false
+tags.short=false
+web.root=.

nbproject/project.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://www.netbeans.org/ns/project/1">
+    <type>org.netbeans.modules.php.project</type>
+    <configuration>
+        <data xmlns="http://www.netbeans.org/ns/php-project/1">
+            <name>friendica addons</name>
+        </data>
+    </configuration>
+</project>