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@@ -0,0 +1,383 @@
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+<?php
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+
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+
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+ /*****************************************************
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+ * This function is called from almost everywhere at *
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+ * the beggining of the page. It initializes the *
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+ * session variables, connect to the db, enabling *
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+ * the variable $con for futher use everywhere in *
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+ * the php code, and populates the arrays $user *
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+ * and $permission, with info about the user. *
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+ * *
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+ * @return: (db connection): The connection handler. *
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+ *****************************************************/
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+ function start_db(){
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+ //Include the db configuration file. It's somehow like this
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+ /*
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+ <?php
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+ $db_host = "XXXX";
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+ $db_name = "XXXX";
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+ $db_user = "XXXX";
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+ $db_pass = "XXXX";
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+ ?>
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+ */
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+ include ".htpasswd";
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+
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+ $con = mysqli_connect($db_host, $db_user, $db_pass, $db_name);
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+
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+ // Check connection
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+ if (mysqli_connect_errno()){
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+ error_log("Failed to connect to database: " . mysqli_connect_error());
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+ return -1;
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+ }
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+
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+ //Set encoding options
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+ mysqli_set_charset($con, "utf-8");
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+ header("Content-Type: text/html; charset=utf8");
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+ mysqli_query($con, "SET NAMES utf8;");
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+
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+ //Return the db connection
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+ return $con;
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+ }
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+
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+
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+ /*****************************************************
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+ * Finds out the protocol the user is connecting to *
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+ * the site with (http or https) *
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+ * @return: (string): "http://" or "https://". *
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+ ****************************************************/
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+ function get_protocol(){
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+ if (isset($_SERVER["HTTPS"]) && ($_SERVER["HTTPS"] == "on" || $_SERVER["HTTPS"] == 1) || isset($_SERVER["HTTP_X_FORWARDED_PROTO"]) && $_SERVER["HTTP_X_FORWARDED_PROTO"] == "https") {
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+ $protocol = "https://";
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+ }
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+ else {
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+ $protocol = "http://";
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+ }
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+ return $protocol;
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+ }
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+
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+
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+ /*****************************************************
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+ * This function selects the language the page will *
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+ * be displayed inf the page. Several methods are *
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+ * used: cookie detection, and browser language *
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+ * preferences. *
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+ * @return: (string): Language code. *
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+ *****************************************************/
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+ // TODO: Redo using database
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+ function select_language(){
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+ //Try to read cookie.
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+ header("Cache-control: private");
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+ if (isSet($_COOKIE["lang"])){
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+ $lang = $_COOKIE["lang"];
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+ if ($lang == "es" || $lang == "en" || $lang == "eu"){
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+ return $lang;
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+ }
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+ else{
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+ return "es";
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+ }
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+ }
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+
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+ //If no cookie, select from client browser preferences.
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+ else{
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+ $available_languages = array("en", "eu", "es");
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+ $langs = prefered_language($available_languages, $_SERVER["HTTP_ACCEPT_LANGUAGE"]);
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+ $lang = $langs[0];
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+ if ($lang != "es" && $lang != "en" && $lang != "eu"){
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+ return "es";
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+ }
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+ else{
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+ return $langs[0];
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+ }
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+ }
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+ }
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+
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+
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+ /*****************************************************
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+ * This function parses the language prefrences of *
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+ * the client broser, comparing them to th languages *
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+ * offered by the site. *
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+ * *
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+ * @params: *
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+ * available_languages: (string array) Contains *
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+ * a list of strins offered *
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+ * by the site. *
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+ * http_accept_language: (string) Raw header with *
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+ * info about client *
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+ * language preferences. *
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+ * @return: (string array) List of the languages *
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+ * offered, sorted by prefference. *
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+ *****************************************************/
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+ function prefered_language(array $available_languages, $http_accept_language) {
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+
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+ $available_languages = array_flip($available_languages);
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+
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+ $langs;
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+ preg_match_all("~([\w-]+)(?:[^,\d]+([\d.]+))?~", strtolower($http_accept_language), $matches, PREG_SET_ORDER);
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+ foreach($matches as $match) {
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+
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+ list($a, $b) = explode("-", $match[1]) + array("", "");
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+ $value = isset($match[2]) ? (float) $match[2] : 1.0;
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+
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+ if(isset($available_languages[$match[1]])) {
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+ $langs[$match[1]] = $value;
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+ continue;
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+ }
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+
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+ if(isset($available_languages[$a])) {
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+ $langs[$a] = $value - 0.1;
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+ }
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+
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+ }
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+ arsort($langs);
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+
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+ return $langs;
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+ }
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+
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+
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+ /*****************************************************
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+ * This function turns a date string into a human *
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+ * readable string, deppending o the specified *
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+ * language. *
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+ * *
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+ * @params: *
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+ * strdate: (string): Date string. *
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+ * lang: (string): Language code (es, en, eu). *
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+ * time: (boolean): Append the time at the end. *
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+ * @return: (string): Formatted date string. *
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+ *****************************************************/
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+ function format_date($strdate, $lang, $time = true){
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+ $date = strtotime($strdate);
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+ $year = date("o", $date);
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+ $month = date("n", $date);
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+ $month --;
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+ $day = date("j", $date);
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+ $wday = date("N", $date);
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+ $wday --;
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+ $hour = date("H", $date);
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+ $minute = date("i", $date);
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+ switch ($lang){
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+ case "en":
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+ $week = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"];
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+ $months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"];
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+ if ($time){
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+ $str = "$week[$wday], $months[$month] $day, $year at $hour:$minute";
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+ }
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+ else{
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+ $str = "$week[$wday], $months[$month] $day, $year";
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+ }
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+ break;
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+ case "eu":
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+ $week = ["astelehena", "asteartea", "asteazkena", "osteguna", "ostirala", "larumbata", "igandea"];
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+ $months = ["urtarrilaren", "otsailaren", "martxoaren", "apirilaren", "maiatzaren", "ekainaren", "uztailaren", "abuztuaren", "irailaren", "urriaren", "azaroaren", "abenduaren"];
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+ if ($time){
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+ $str = $year . "ko $months[$month] $day" . "an, $week[$wday], $hour:$minute";
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+ }
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+ else{
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+ $str = $year . "ko $months[$month] $day" . "an, $week[$wday]";
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+ }
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+ break;
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+ default:
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+ $week = ["Lunes", "Martes", "Miércoles", "Jueves", "Viernes", "Sábado", "Domingo"];
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+ $months = ["enero", " febrero", "marzo", "abril", "mayo", "junio", "julio", "agosto", "septiembre", "octubre", "noviembre", "diciembre"];
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+ if ($time){
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+ $str = "$week[$wday] $day de $months[$month] de $year a las $hour:$minute";
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+ }
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+ else{
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+ $str = "$week[$wday] $day de $months[$month] de $year";
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+ }
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+ }
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+ return $str;
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+ }
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+
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+
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+
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+ /*****************************************************
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+ * Generates a URL-valid string from a regular one. *
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+ * *
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+ * @params: *
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+ * text: (string): Original string. *
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+ * @return: (string): URL-valid string. *
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+ *****************************************************/
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+ function permalink($text){
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+ $unwanted_array = array("Š"=>"S", "š"=>"s", "Ž"=>"Z", "ž"=>"z", "À"=>"A", "Á"=>"A", "Â"=>"A", "Ã"=>"A", "Ä"=>"A", "Å"=>"A", "Æ"=>"A", "Ç"=>"C", "È"=>"E", "É"=>"E",
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+ "Ê"=>"E", "Ë"=>"E", "Ì"=>"I", "Í"=>"I", "Î"=>"I", "Ï"=>"I", "Ñ"=>"N", "Ò"=>"O", "Ó"=>"O", "Ô"=>"O", "Õ"=>"O", "Ö"=>"O", "Ø"=>"O", "Ù"=>"U",
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+ "Ú"=>"U", "Û"=>"U", "Ü"=>"U", "Ý"=>"Y", "Þ"=>"B", "ß"=>"Ss", "à"=>"a", "á"=>"a", "â"=>"a", "ã"=>"a", "ä"=>"a", "å"=>"a", "æ"=>"a", "ç"=>"c",
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+ "è"=>"e", "é"=>"e", "ê"=>"e", "ë"=>"e", "ì"=>"i", "í"=>"i", "î"=>"i", "ï"=>"i", "ð"=>"o", "ñ"=>"n", "ò"=>"o", "ó"=>"o", "ô"=>"o", "õ"=>"o",
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+ "ö"=>"o", "ø"=>"o", "ù"=>"u", "ú"=>"u", "û"=>"u", "ý"=>"y", "þ"=>"b", "ÿ"=>"y" );
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+ $str = strtr( $text, $unwanted_array );
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+ $str = preg_replace("/[^\da-zA-Z ]/i", "", $str);
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+ $str = str_replace(" ", "-", $str);
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+ return $str;
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+ }
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+
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+
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+ /*****************************************************
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+ * This function closes all the opened HTML tags in *
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+ * a given string. *
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+ * *
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+ * @params: *
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+ * html: (string): The string with HTML tags. *
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+ * @return: (string): HTML with closed tags. *
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+ *****************************************************/
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+ function close_tags($html) {
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+ preg_match_all("#<(?!meta|img|br|hr|input\b)\b([a-z]+)(?: .*)?(?<![/|/ ])>#iU", $html, $result);
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+ $openedtags = $result[1];
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+ preg_match_all("#</([a-z]+)>#iU", $html, $result);
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+ $closedtags = $result[1];
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+ $len_opened = count($openedtags);
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+ if (count($closedtags) == $len_opened) {
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+ return $html;
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+ }
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+ $openedtags = array_reverse($openedtags);
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+ for ($i=0; $i < $len_opened; $i++) {
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+ if (!in_array($openedtags[$i], $closedtags)) {
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+ $html .= "</".$openedtags[$i].">";
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+ } else {
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+ unset($closedtags[array_search($openedtags[$i], $closedtags)]);
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+ }
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+ }
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+ return $html;
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+ }
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+
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+
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+ /*****************************************************
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+ * Text shortener. Given a string, it trims in the *
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+ * proximity of the desired string, ut to the next *
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+ * white character. If indicated, it will append a *
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+ * link to the full text. *
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+ * *
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+ * @params: *
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+ * text: (string): The text to shorten. *
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+ * length: (int): The desired length. *
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+ * linktext: (string): Text fot the link. *
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+ * link: (string): URI of the full text. *
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+ * @return: (string): Cutted text. *
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+ *****************************************************/
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+ function cut_text($text, $length, $linktext, $link){
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+ if (strlen($text) < $length){
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+ return $text;
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+ }
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+ $cut = substr($text, 0, strpos($text, " ", $length));
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+ $cut = closeTags($cut);
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+ if (strlen($cut) == 0){
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+ $cut = $text;
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+ }
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+ if (strlen($text) != strlen($cut)){
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+ $cut = $cut . "... <a href='$link'>$linktext</a>";
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+ }
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+ return $cut;
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+ }
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+
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+
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+ /*****************************************************
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+ * Finds out the IP address of the client. *
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+ * *
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+ * @return: (String): Client IP address. *
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+ *****************************************************/
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+ function get_ip(){
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+ $client = @$_SERVER["HTTP_CLIENT_IP"];
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+ $forward = @$_SERVER["HTTP_X_FORWARDED_FOR"];
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+ $remote = $_SERVER["REMOTE_ADDR"];
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+ if(filter_var($client, FILTER_VALIDATE_IP)){
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+ $ip = $client;
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+ }
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+ elseif(filter_var($forward, FILTER_VALIDATE_IP)){
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+ $ip = $forward;
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+ }
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+ else{
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+ $ip = $remote;
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+ }
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+ return $ip;
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+ }
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+
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+
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+ /*****************************************************
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+ * Registers the page viewed by the user. If it is *
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+ * first page shown in his visit, it also registers *
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+ * the visit. It will also increase the ad views *
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+ * count (if any was shown). *
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+ * *
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+ * @params: *
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+ * section: (string): Site section being visited. *
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+ * id: (int): ID of the entri being visited *
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+ *****************************************************/
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+ function stats($section, $id){
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+
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+ // Get client data
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+ $ip = get_ip();
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+ $browser_data = get_browser(null, true);
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+ $os = $browser_data["platform"];
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+ $browser = $browser_data["browser"];
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+ $uagent = $browser_data["browser_name_pattern"];
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+ //If bot, do nothing
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+ $bot_kw = Array();
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+ $bot_kw[0] = "bot";
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+ $bot_kw[1] = "spider";
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+ $bot_kw[2] = "crawl";
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+ $bot_kw[3] = ".com";
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+ $bot_kw[4] = ".ru";
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+ $bot_kw[5] = "baidu";
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+ $bot_kw[6] = "survey";
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+ $bot_kw[7] = "scan";
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+ $bot_kw[8] = "feed";
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+ $bot_kw[9] = "bing";
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+ $bot_kw[10] = "yahoo";
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+ $bot_kw[11] = "engine";
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+ $bot_kw[12] = "preview";
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+ $bot_kw[13] = "checker";
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+ $bot_kw[14] = "catalog";
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+ $bot_kw[15] = "accelerator";
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+ $bot_kw[16] = "python";
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+ $bot_kw[14] = "qt";
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+ $bot_kw[15] = "webdav";
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+ $bot_kw[16] = "http";
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+ $bot_kw[17] = "url";
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+ $bot_kw[18] = "fake";
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+ $bot_kw[19] = "library";
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+ $bot_kw[20] = "commerce";
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+ $bot_kw[21] = "htmlbot";
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+ $bot_kw[22] = "fetch";
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+ $bot_kw[23] = "googleb";
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+ $bot_kw[24] = "facebook";
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+ $bot_kw[25] = "whatsapp";
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+ $bot_kw[26] = "pinterest";
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+ $bot_kw[27] = "scrapy";
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+ $bot_kw[28] = "libwww";
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+ $bot_kw[29] = "java standard library";
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+ $bot_kw[30] = "default browser";
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+ $bot_kw[31] = "twingly recon";
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+ $bot_kw[32] = "siteexplorer";
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+ $bot_kw[33] = "yandex";
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+ $bot_kw[34] = "wotbox";
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+ $bot_kw[35] = "apache synapse";
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+ $bot_kw[36] = "catexplorador";
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+ $bot_kw[37] = "internet archive";
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+
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+ $i = 0;
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+ while ($i < sizeof($bot_kw)) {
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+ if (strpos(strtolower($uagent), $bot_kw[$i]) !== false || strpos(strtolower($browser), $bot_kw[$i]) !== false){
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+ mysqli_close($con);
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+ return;
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+ }
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+ $i ++;
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+ }
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+ if (strlen($os) == 0 || strlen($browser) == 0){ // Certain chinese hosting provider makes a lot of requests...
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+ mysqli_close($con);
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+ return;
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+ }
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+
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+ //Look for a visit with the same IP in the last 30 mins.
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+ $con = startdb("rw");
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+ $q = mysqli_query($con, "SELECT stat_visit.id AS visitid FROM stat_view, stat_visit WHERE visit = stat_visit.id AND dtime > DATE_SUB(now(), INTERVAL 30 MINUTE) AND ip = '$ip' AND uagent = '$uagent';");
|
|
|
+ if (mysqli_num_rows($q) == 0){
|
|
|
+ mysqli_query($con, "INSERT INTO stat_visit (ip, uagent, os, browser) VALUES ('$ip', '$uagent', '$os', '$browser');");
|
|
|
+ $q = mysqli_query($con, "SELECT stat_visit.id AS visitid FROM stat_visit WHERE ip = '$ip' AND uagent = '$uagent' ORDER BY stat_visit.id DESC LIMIT 1;");
|
|
|
+ }
|
|
|
+ $r = mysqli_fetch_array($q);
|
|
|
+ $visit = $r['visitid'];
|
|
|
+ mysqli_query($con, "INSERT INTO stat_view (visit, section, entry) VALUES ($visit, '$section', '$id');");
|
|
|
+
|
|
|
+ }
|
|
|
+?>
|
|
|
+
|