Add basic analytics capture (issue #8)
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<?php
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/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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use GeoIp2\Database\Reader;
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$_SERVER['REMOTE_ADDR'] = "206.127.96.82";
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try {
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require_once __DIR__ . "/requiredpublic.php";
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$time = date("Y-m-d H:i:s");
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/**
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* https://stackoverflow.com/a/2040279
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*/
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function gen_uuid() {
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return sprintf('%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
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// 32 bits for "time_low"
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mt_rand(0, 0xffff), mt_rand(0, 0xffff),
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// 16 bits for "time_mid"
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mt_rand(0, 0xffff),
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// 16 bits for "time_hi_and_version",
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// four most significant bits holds version number 4
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mt_rand(0, 0x0fff) | 0x4000,
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// 16 bits, 8 bits for "clk_seq_hi_res",
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// 8 bits for "clk_seq_low",
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// two most significant bits holds zero and one for variant DCE1.1
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mt_rand(0, 0x3fff) | 0x8000,
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// 48 bits for "node"
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mt_rand(0, 0xffff), mt_rand(0, 0xffff), mt_rand(0, 0xffff)
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);
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}
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//
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// Read/set the cookie
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//
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if (isset($_COOKIE['sw-uuid'])) {
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$uuid = $_COOKIE['sw-uuid'];
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} else {
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$uuid = gen_uuid();
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}
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setcookie("sw-uuid", $uuid, time() + 60 * 60 * 24 * 30, "/", $_SERVER['HTTP_HOST'], false, true);
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//
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// Get the user's IP address
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//
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$clientip = $_SERVER['REMOTE_ADDR'];
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// Check if we're behind CloudFlare and adjust accordingly
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if (isset($_SERVER["HTTP_CF_CONNECTING_IP"]) && validateCloudflare()) {
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$clientip = $_SERVER["HTTP_CF_CONNECTING_IP"];
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}
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//
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// Lookup IP address
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//
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$reader = new Reader(GEOIP_DB);
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$record = $reader->city($clientip);
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$country = $record->country->name;
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$region = $record->mostSpecificSubdivision->name;
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$city = $record->city->name;
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$lat = $record->location->latitude;
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$lon = $record->location->longitude;
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//
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// Save the page visit
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//
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$database->insert("analytics", [
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"siteid" => getsiteid(),
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"pageid" => getpageid(),
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"uuid" => $uuid,
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"country" => $country,
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"region" => $region,
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"city" => $city,
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"lat" => $lat,
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"lon" => $lon,
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"time" => $time
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]);
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} catch (GeoIp2\Exception\AddressNotFoundException $e) {
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if (DEBUG) {
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echo "<!-- The client IP was not found in the GeoIP database. -->";
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}
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} catch (Exception $e) {
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// Silently fail so the rest of the site still works
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}
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