]> git.wh0rd.org - tt-rss.git/blobdiff - include/functions.php
implement experimental web-based updater
[tt-rss.git] / include / functions.php
index 0bb761f5dc94f21fe9fc62d98a7396ffc7c19887..b2e9e8992f1e09afd7052939dd821fa756a8ae98 100644 (file)
@@ -2,6 +2,18 @@
        define('EXPECTED_CONFIG_VERSION', 25);
        define('SCHEMA_VERSION', 94);
 
+       $fetch_last_error = false;
+
+       function __autoload($class) {
+               $class_file = str_replace("_", "/", strtolower(basename($class)));
+
+               $file = dirname(__FILE__)."/../classes/$class_file.php";
+
+               if (file_exists($file)) {
+                       require $file;
+               }
+       }
+
        mb_internal_encoding("UTF-8");
        date_default_timezone_set('UTC');
        if (defined('E_DEPRECATED')) {
                $login = urlencode($login);
                $pass = urlencode($pass);
 
+               global $fetch_last_error;
+
                if (function_exists('curl_init') && !ini_get("open_basedir")) {
                        $ch = curl_init($url);
 
                        $contents = @curl_exec($ch);
 
                        if ($contents === false) {
+                               $fetch_last_error = curl_error($ch);
                                curl_close($ch);
                                return false;
                        }
                                }
                        }
 
-                       return @file_get_contents($url);
+                       $data = @file_get_contents($url);
+
+                       if (!$data && function_exists('error_get_last')) {
+                               $error = error_get_last();
+                               $fetch_last_error = $error["message"];
+                       }
+                       return $data;
                }
 
        }
                return "";
        }
 
-       function get_login_by_ssl_certificate($link) {
-
-               $cert_serial = db_escape_string(get_ssl_certificate_id());
-
-               if ($cert_serial) {
-                       $result = db_query($link, "SELECT login FROM ttrss_user_prefs, ttrss_users
-                               WHERE pref_name = 'SSL_CERT_SERIAL' AND value = '$cert_serial' AND
-                               owner_uid = ttrss_users.id");
-
-                       if (db_num_rows($result) != 0) {
-                               return db_escape_string(db_fetch_result($result, 0, "login"));
-                       }
-               }
-
-               return "";
-       }
-
-       function get_remote_user($link) {
-
-               if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH) {
-                       return db_escape_string($_SERVER["REMOTE_USER"]);
-               }
-
-               return db_escape_string(get_login_by_ssl_certificate($link));
-       }
-
-       function get_remote_fakepass($link) {
-               if (get_remote_user($link))
-                       return "******";
-               else
-                       return "";
-       }
-
-       function authenticate_user($link, $login, $password, $force_auth = false) {
+       function authenticate_user($link, $login, $password, $check_only = false) {
 
                if (!SINGLE_USER_MODE) {
 
-                       $pwd_hash1 = encrypt_password($password);
-                       $pwd_hash2 = encrypt_password($password, $login);
-                       $login = db_escape_string($login);
-
-                       $remote_user = get_remote_user($link);
-
-                       if ($remote_user && $remote_user == $login && $login != "admin") {
-
-                               $login = $remote_user;
+                       $user_id = false;
+                       $modules = explode(",", AUTH_MODULES);
 
-                               $query = "SELECT id,login,access_level,pwd_hash
-                   FROM ttrss_users WHERE
-                                       login = '$login'";
+                       foreach ($modules as $module) {
+                               $module_class = "auth_$module";
+                               if (class_exists($module_class)) {
+                                       $authenticator = new $module_class($link);
 
-                               if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER
-                                               && $_SERVER["REMOTE_USER"]) {
-                                       $result = db_query($link, $query);
+                                       $user_id = (int) $authenticator->authenticate($login, $password);
 
-                                       // First login ?
-                                       if (db_num_rows($result) == 0) {
-                                               $salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
-                                               $pwd_hash = encrypt_password($password, $salt, true);
-
-                                               $query2 = "INSERT INTO ttrss_users
-                                                               (login,access_level,last_login,created,pwd_hash,salt)
-                                                               VALUES ('$login', 0, null, NOW(), '$pwd_hash','$salt')";
-                                               db_query($link, $query2);
-                                       }
-                               }
-
-                       } else if (get_schema_version($link) > 87) {
-                               $result = db_query($link, "SELECT salt FROM ttrss_users WHERE
-                                       login = '$login'");
-
-                               if (db_num_rows($result) != 1) {
-                                       return false;
-                               }
-
-                               $salt = db_fetch_result($result, 0, "salt");
-
-                               if ($salt == "") {
-
-                                       $query = "SELECT id,login,access_level,pwd_hash
-                           FROM ttrss_users WHERE
-                                               login = '$login' AND (pwd_hash = '$pwd_hash1' OR
-                                               pwd_hash = '$pwd_hash2')";
-
-                                       // verify and upgrade password to new salt base
-
-                                       $result = db_query($link, $query);
-
-                                       if (db_num_rows($result) == 1) {
-                                               // upgrade password to MODE2
-
-                                               $salt = substr(bin2hex(get_random_bytes(125)), 0, 250);
-                                               $pwd_hash = encrypt_password($password, $salt, true);
-
-                                               db_query($link, "UPDATE ttrss_users SET
-                                                       pwd_hash = '$pwd_hash', salt = '$salt' WHERE login = '$login'");
-
-                                               $query = "SELECT id,login,access_level,pwd_hash
-                                   FROM ttrss_users WHERE
-                                                       login = '$login' AND pwd_hash = '$pwd_hash'";
-
-                                       } else {
-                                               return false;
+                                       if ($user_id) {
+                                               $_SESSION["auth_module"] = $module;
+                                               break;
                                        }
 
                                } else {
-
-                                       $pwd_hash = encrypt_password($password, $salt, true);
-
-                                       $query = "SELECT id,login,access_level,pwd_hash
-                                FROM ttrss_users WHERE
-                                               login = '$login' AND pwd_hash = '$pwd_hash'";
-
+                                       print T_sprintf("Fatal: authentication module %s not found.", $module);
+                                       die;
                                }
-                       } else {
-                               $query = "SELECT id,login,access_level,pwd_hash
-                        FROM ttrss_users WHERE
-                                       login = '$login' AND (pwd_hash = '$pwd_hash1' OR
-                                               pwd_hash = '$pwd_hash2')";
                        }
 
-                       $result = db_query($link, $query);
+                       if ($user_id && !$check_only) {
+                               $_SESSION["uid"] = $user_id;
+
+                               $result = db_query($link, "SELECT login,access_level,pwd_hash FROM ttrss_users
+                                       WHERE id = '$user_id'");
 
-                       if (db_num_rows($result) == 1) {
-                               $_SESSION["uid"] = db_fetch_result($result, 0, "id");
                                $_SESSION["name"] = db_fetch_result($result, 0, "login");
                                $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
                                $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
                                db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
                                        $_SESSION["uid"]);
 
-
-                               // LemonLDAP can send user informations via HTTP HEADER
-                               if (defined('AUTO_CREATE_USER') && AUTO_CREATE_USER){
-                                       // update user name
-                                       $fullname = $_SERVER['HTTP_USER_NAME'] ? $_SERVER['HTTP_USER_NAME'] : $_SERVER['AUTHENTICATE_CN'];
-                                       if ($fullname){
-                                               $fullname = db_escape_string($fullname);
-                                               db_query($link, "UPDATE ttrss_users SET full_name = '$fullname' WHERE id = " .
-                                                       $_SESSION["uid"]);
-                                       }
-                                       // update user mail
-                                       $email = $_SERVER['HTTP_USER_MAIL'] ? $_SERVER['HTTP_USER_MAIL'] : $_SERVER['AUTHENTICATE_MAIL'];
-                                       if ($email){
-                                               $email = db_escape_string($email);
-                                               db_query($link, "UPDATE ttrss_users SET email = '$email' WHERE id = " .
-                                                       $_SESSION["uid"]);
-                                       }
-                               }
-
                                $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
                                $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
 
                        $_SESSION["name"] = "admin";
                        $_SESSION["access_level"] = 10;
 
+                       $_SESSION["hide_hello"] = true;
+                       $_SESSION["hide_logout"] = true;
+
+                       $_SESSION["auth_module"] = false;
+
                        if (!$_SESSION["csrf_token"]) {
                                $_SESSION["csrf_token"] = sha1(uniqid(rand(), true));
                        }
 
                        if (!$_SESSION["uid"] || !validate_session($link)) {
 
-                               if (get_remote_user($link) && AUTO_LOGIN) {
-                                   authenticate_user($link, get_remote_user($link), null);
+                               if (AUTH_AUTO_LOGIN && authenticate_user($link, null, null)) {
                                    $_SESSION["ref_schema_version"] = get_schema_version($link, true);
                                } else {
+                                        authenticate_user($link, null, null, true);
                                    render_login_form($link, $mobile);
-                                   //header("Location: login.php");
                                    exit;
                                }
                        } else {
        }
 
        /**
-        * @return integer Status code:
+        * @return array (code => Status code, message => error message if available)
+        *
         *                 0 - OK, Feed already exists
         *                 1 - OK, Feed added
         *                 2 - Invalid URL
        function subscribe_to_feed($link, $url, $cat_id = 0,
                        $auth_login = '', $auth_pass = '', $need_auth = false) {
 
+               global $fetch_last_error;
+
                require_once "include/rssfuncs.php";
 
                $url = fix_url($url);
 
-               if (!$url || !validate_feed_url($url)) return 2;
+               if (!$url || !validate_feed_url($url)) return array("code" => 2);
 
                $update_method = 0;
 
                $has_oauth = db_fetch_result($result, 0, 'twitter_oauth');
 
                if (!$need_auth || !$has_oauth || strpos($url, '://api.twitter.com') === false) {
-                       if (!fetch_file_contents($url, false, $auth_login, $auth_pass)) return 5;
+                       if (!fetch_file_contents($url, false, $auth_login, $auth_pass))
+                               return array("code" => 5, "message" => $fetch_last_error);
 
                        if (url_is_html($url, $auth_login, $auth_pass)) {
                                $feedUrls = get_feeds_from_html($url, $auth_login, $auth_pass);
                                if (count($feedUrls) == 0) {
-                                       return 3;
+                                       return array("code" => 3);
                                } else if (count($feedUrls) > 1) {
-                                       return 4;
+                                       return array("code" => 4);
                                }
                                //use feed url as new URL
                                $url = key($feedUrls);
 
                        } else {
                                if (!fetch_twitter_rss($link, $url, $_SESSION['uid']))
-                                       return 5;
+                                       return array("code" => 5);
 
                                $update_method = 3;
                        }
                                update_rss_feed($link, $feed_id, true);
                        }
 
-                       return 1;
+                       return array("code" => 1);
                } else {
-                       return 0;
+                       return array("code" => 0);
                }
        }
 
                                        if (db_num_rows($result) > 0) {
                                                print "<option disabled=\"1\">--------</option>";
                                        }
-                                               print "<option value=\"0\">".__('Uncategorized')."</option>";
+
+                                       if ($default_id == 0) {
+                                               $is_selected = "selected=\"1\"";
+                                       } else {
+                                               $is_selected = "";
+                                       }
+
+                                       print "<option $is_selected value=\"0\">".__('Uncategorized')."</option>";
                                }
                                print "</select>";
                        }
                                $data['new_version_available'] = (int) ($new_version_details != false);
 
                                $_SESSION["last_version_check"] = time();
+                               $_SESSION["version_data"] = $new_version_details;
                }
 
                return $data;
        }
 
        function format_article($link, $id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
-
                if (!$owner_uid) $owner_uid = $_SESSION["uid"];
 
                $rv = array();
                                $button_plugins = explode(",", ARTICLE_BUTTON_PLUGINS);
 
                                foreach ($button_plugins as $p) {
-                                       $pclass = trim("${p}_button");
+                                       $pclass = trim("button_${p}");
 
                                        if (class_exists($pclass)) {
                                                $plugin = new $pclass($link);
 
                return null;
        }
+
+       function tmpdirname($path, $prefix) {
+               // Use PHP's tmpfile function to create a temporary
+               // directory name. Delete the file and keep the name.
+               $tempname = tempnam($path,$prefix);
+               if (!$tempname)
+                       return false;
+
+               if (!unlink($tempname))
+                       return false;
+
+       return $tempname;
+       }
+
 ?>