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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Chamilo LMS
- * This file contains functions used by the install and upgrade scripts.
- *
- * Ideas for future additions:
- * - a function get_old_version_settings to retrieve the config file settings
- * of older versions before upgrading.
- */
- /* CONSTANTS */
- define('SYSTEM_MAIN_DATABASE_FILE', 'db_main.sql');
- define('COUNTRY_DATA_FILENAME', 'country_data.csv');
- define('COURSES_HTACCESS_FILENAME', 'htaccess.dist');
- define('SYSTEM_CONFIG_FILENAME', 'configuration.dist.php');
- /* COMMON PURPOSE FUNCTIONS */
- /**
- * This function detects whether the system has been already installed.
- * It should be used for prevention from second running the installation
- * script and as a result - destroying a production system.
- * @return bool The detected result;
- * @author Ivan Tcholakov, 2010;
- */
- function is_already_installed_system() {
- global $new_version;
- if (empty($new_version)) {
- return true; // Must be initialized.
- }
- $current_config_file = str_replace('\\', '/', realpath('../inc/conf/configuration.php'));
- if (!file_exists($current_config_file)) {
- return false; // Configuration file does not exist, install the system.
- }
- require $current_config_file;
- $current_version = trim($_configuration['dokeos_version']);
- if (empty($current_version)) {
- $current_version = trim($_configuration['system_version']);
- }
- // If the current version is old, upgrading is assumed, the installer goes ahead.
- return empty($current_version) ? false : version_compare($current_version, $new_version, '>=');
- }
- /**
- * This function checks if a php extension exists or not and returns an HTML status string.
- *
- * @param string Name of the PHP extension to be checked
- * @param string Text to show when extension is available (defaults to 'Yes')
- * @param string Text to show when extension is available (defaults to 'No')
- * @param boolean Whether this extension is optional (in this case show unavailable text in orange rather than red)
- * @return string HTML string reporting the status of this extension. Language-aware.
- * @author Christophe Gesché
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- * @author Yannick Warnier <yannick.warnier@dokeos.com>
- * @version Dokeos 1.8.1, May 2007
- */
- function check_extension($extension_name, $return_success = 'Yes', $return_failure = 'No', $optional = false) {
- if (extension_loaded($extension_name)) {
- return '<strong><font color="green">'.$return_success.'</font></strong>';
- } else {
- if ($optional) {
- return '<strong><font color="#ff9900">'.$return_failure.'</font></strong>';
- } else {
- return '<strong><font color="red">'.$return_failure.'</font></strong>';
- }
- }
- }
- /**
- * This function checks whether a php setting matches the recommended value
- *
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- * @version Dokeos 1.8, august 2006
- */
- function check_php_setting($php_setting, $recommended_value, $return_success = false, $return_failure = false) {
- $current_php_value = get_php_setting($php_setting);
- if ($current_php_value == $recommended_value) {
- return '<strong><font color="green">'.$current_php_value.' '.$return_success.'</font></strong>';
- } else {
- return '<strong><font color="red">'.$current_php_value.' '.$return_failure.'</font></strong>';
- }
- }
- /**
- * Returns a textual value ('ON' or 'OFF') based on a requester 2-state ini- configuration setting.
- *
- * @param string $val a php ini value
- * @return boolean: ON or OFF
- * @author Joomla <http://www.joomla.org>
- */
- function get_php_setting($val) {
- return ini_get($val) == '1' ? 'ON' : 'OFF';
- }
- /**
- * This function returns a string "true" or "false" according to the passed parameter.
- *
- * @param integer $var The variable to present as text
- * @return string the string "true" or "false"
- * @author Christophe Gesché
- */
- function true_false($var) {
- return $var ? 'true' : 'false';
- }
- /**
- * Removes memory and time limits as much as possible.
- */
- function remove_memory_and_time_limits() {
- if (function_exists('ini_set')) {
- ini_set('memory_limit', -1);
- ini_set('max_execution_time', 0);
- } else {
- error_log('Update-db script: could not change memory and time limits', 0);
- }
- }
- /**
- * Detects browser's language.
- * @return string Returns a language identificator, i.e. 'english', 'spanish', ...
- * @author Ivan Tcholakov, 2010
- */
- function detect_browser_language() {
- static $language_index = array(
- 'ar' => 'arabic',
- 'ast' => 'asturian',
- 'bg' => 'bulgarian',
- 'bs' => 'bosnian',
- 'ca' => 'catalan',
- 'zh' => 'simpl_chinese',
- 'zh-tw' => 'trad_chinese',
- 'cs' => 'czech',
- 'da' => 'danish',
- 'prs' => 'dari',
- 'de' => 'german',
- 'el' => 'greek',
- 'en' => 'english',
- 'es' => 'spanish',
- 'eo' => 'esperanto',
- 'eu' => 'euskera',
- 'fa' => 'persian',
- 'fr' => 'french',
- 'fur' => 'friulian',
- 'gl' => 'galician',
- 'ka' => 'georgian',
- 'hr' => 'croatian',
- 'he' => 'hebrew',
- 'id' => 'indonesian',
- 'it' => 'italian',
- 'ko' => 'korean',
- 'lv' => 'latvian',
- 'lt' => 'lithuanian',
- 'mk' => 'macedonian',
- 'hu' => 'hungarian',
- 'ms' => 'malay',
- 'nl' => 'dutch',
- 'ja' => 'japanese',
- 'no' => 'norwegian',
- 'oc' => 'occitan',
- 'ps' => 'pashto',
- 'pl' => 'polish',
- 'pt' => 'portuguese',
- 'pt-br' => 'brazilian',
- 'ro' => 'romanian',
- 'qu' => 'quechua_cusco',
- 'ru' => 'russian',
- 'sk' => 'slovak',
- 'sl' => 'slovenian',
- 'sr' => 'serbian',
- 'fi' => 'finnish',
- 'sv' => 'swedish',
- 'th' => 'thai',
- 'tr' => 'turkce',
- 'uk' => 'ukrainian',
- 'vi' => 'vietnamese',
- 'sw' => 'swahili',
- 'yo' => 'yoruba'
- );
- $system_available_languages = & get_language_folder_list();
- $accept_languages = strtolower(str_replace('_', '-', $_SERVER['HTTP_ACCEPT_LANGUAGE']));
- foreach ($language_index as $code => $language) {
- if (strpos($accept_languages, $code) === 0) {
- if (!empty($system_available_languages[$language])) {
- return $language;
- }
- }
- }
- $user_agent = strtolower(str_replace('_', '-', $_SERVER['HTTP_USER_AGENT']));
- foreach ($language_index as $code => $language) {
- if (preg_match("/[[( ]{$code}[;,_-)]/", $user_agent)) {
- if (!empty($system_available_languages[$language])) {
- return $language;
- }
- }
- }
- return 'english';
- }
- /* FILESYSTEM RELATED FUNCTIONS */
- /**
- * This function checks if the given folder is writable
- */
- function check_writable($folder, $suggestion = false) {
- if (is_writable('../'.$folder)) {
- return '<strong><font color="green">'.get_lang('Writable').'</font></strong>';
- } else {
- if ($suggestion) {
- return '<strong><font color="#ff9900">'.get_lang('NotWritable').'</font></strong>';
- } else {
- return '<strong><font color="red">'.get_lang('NotWritable').'</font></strong>';
- }
- }
- }
- /**
- * This function is similar to the core file() function, except that it
- * works with line endings in Windows (which is not the case of file())
- * @param string File path
- * @return array The lines of the file returned as an array
- */
- function file_to_array($filename) {
- $fp = fopen($filename, 'rb');
- $buffer = fread($fp, filesize($filename));
- fclose($fp);
- return explode('<br />', nl2br($buffer));
- }
- /**
- * We assume this function is called from install scripts that reside inside the install folder.
- */
- function set_file_folder_permissions() {
- @chmod('.', 0755); //set permissions on install dir
- @chmod('..', 0755); //set permissions on parent dir of install dir
- @chmod('country_data.csv.csv', 0755);
- }
- /**
- * Add's a .htaccess file to the courses directory
- * @param string $url_append The path from your webroot to your chamilo root
- */
- function write_courses_htaccess_file($url_append) {
- $file_path = dirname(__FILE__).'/'.COURSES_HTACCESS_FILENAME;
- $content = file_get_contents($file_path);
- $content = str_replace('{CHAMILO_URL_APPEND_PATH}', $url_append, $content);
- $fp = @ fopen('../../courses/.htaccess', 'w');
- if ($fp) {
- fwrite($fp, $content);
- return fclose($fp);
- }
- return false;
- }
- /**
- * Write the main system config file
- * @param string $path Path to the config file
- */
- function write_system_config_file($path) {
- global $dbHostForm;
- global $dbUsernameForm;
- global $dbPassForm;
- global $enableTrackingForm;
- global $singleDbForm;
- global $dbPrefixForm;
- global $dbNameForm;
- global $dbStatsForm;
- global $dbScormForm;
- global $dbUserForm;
- global $urlForm;
- global $pathForm;
- global $urlAppendPath;
- global $languageForm;
- global $encryptPassForm;
- global $installType;
- global $updatePath;
- global $session_lifetime;
- global $new_version;
- global $new_version_stable;
- $root_sys = api_add_trailing_slash(str_replace('\\', '/', realpath($pathForm)));
- $content = file_get_contents(dirname(__FILE__).'/'.SYSTEM_CONFIG_FILENAME);
- $config['{DATE_GENERATED}'] = date('r');
- $config['{DATABASE_HOST}'] = $dbHostForm;
- $config['{DATABASE_USER}'] = $dbUsernameForm;
- $config['{DATABASE_PASSWORD}'] = $dbPassForm;
- $config['TRACKING_ENABLED'] = true_false($enableTrackingForm);
- $config['SINGLE_DATABASE'] = true_false($singleDbForm);
- $config['{COURSE_TABLE_PREFIX}'] = ($singleDbForm ? 'crs_' : '');
- $config['{DATABASE_GLUE}'] = ($singleDbForm ? '_' : '`.`');
- $config['{DATABASE_PREFIX}'] = $dbPrefixForm;
- $config['{DATABASE_MAIN}'] = $dbNameForm;
- $config['{DATABASE_STATS}'] = (($singleDbForm && empty($dbStatsForm)) ? $dbNameForm : $dbStatsForm);
- $config['{DATABASE_SCORM}'] = (($singleDbForm && empty($dbScormForm)) ? $dbNameForm : $dbScormForm);
- $config['{DATABASE_PERSONAL}'] =(($singleDbForm && empty($dbUserForm)) ? $dbNameForm : $dbUserForm);
- $config['{ROOT_WEB}'] = $urlForm;
- $config['{ROOT_SYS}'] = $root_sys;
- $config['{URL_APPEND_PATH}'] = $urlAppendPath;
- $config['{PLATFORM_LANGUAGE}'] = $languageForm;
- $config['{SECURITY_KEY}'] = md5(uniqid(rand().time()));
- $config['{ENCRYPT_PASSWORD}'] = $encryptPassForm;
- $config['SESSION_LIFETIME'] = $session_lifetime;
- $config['{NEW_VERSION}'] = $new_version;
- $config['NEW_VERSION_STABLE'] = true_false($new_version_stable);
- foreach ($config as $key => $value) {
- $content = str_replace($key, $value, $content);
- }
- $fp = @ fopen($path, 'w');
- if (!$fp) {
- echo '<strong><font color="red">Your script doesn\'t have write access to the config directory</font></strong><br />
- <em>('.str_replace('\\', '/', realpath($path)).')</em><br /><br />
- You probably do not have write access on Chamilo root directory,
- i.e. you should <em>CHMOD 777</em> or <em>755</em> or <em>775</em>.<br /><br />
- Your problems can be related on two possible causes:<br />
- <ul>
- <li>Permission problems.<br />Try initially with <em>chmod -R 777</em> and increase restrictions gradually.</li>
- <li>PHP is running in <a href="http://www.php.net/manual/en/features.safe-mode.php" target="_blank">Safe-Mode</a>. If possible, try to switch it off.</li>
- </ul>
- <a href="http://forum.chamilo.org/" target="_blank">Read about this problem in Support Forum</a><br /><br />
- Please go back to step 5.
- <p><input type="submit" name="step5" value="< Back" /></p>
- </td></tr></table></form></body></html>';
- exit ();
- }
- fwrite($fp, $content);
- fclose($fp);
- }
- /**
- * Returns a list of language directories.
- */
- function & get_language_folder_list() {
- static $result;
- if (!is_array($result)) {
- $result = array();
- $exceptions = array('.', '..', 'CVS', '.svn');
- $search = array('_latin', '_unicode', '_corporate', '_org' , '_KM', '_');
- $replace_with = array(' (Latin)', ' (unicode)', ' (corporate)', ' (org)', ' (KM)', ' ');
- $dirname = api_get_path(SYS_LANG_PATH);
- $handle = opendir($dirname);
- while ($entries = readdir($handle)) {
- if (in_array($entries, $exceptions)) {
- continue;
- }
- if (is_dir($dirname.$entries)) {
- $result[$entries] = ucwords(str_replace($search, $replace_with, $entries));
- }
- }
- closedir($handle);
- asort($result);
- }
- return $result;
- }
- /**
- * TODO: my_directory_to_array() - maybe within the main API there is already a suitable function?
- */
- function my_directory_to_array($directory) {
- $array_items = array();
- if ($handle = opendir($directory)) {
- while (false !== ($file = readdir($handle))) {
- if ($file != "." && $file != "..") {
- if (is_dir($directory. "/" . $file)) {
- $array_items = array_merge($array_items, my_directory_to_array($directory. '/' . $file));
- $file = $directory . "/" . $file;
- $array_items[] = preg_replace("/\/\//si", '/', $file);
- }
- }
- }
- closedir($handle);
- }
- return $array_items;
- }
- /**
- * This function returns the value of a parameter from the configuration file
- *
- * WARNING - this function relies heavily on global variables $updateFromConfigFile
- * and $configFile, and also changes these globals. This can be rewritten.
- *
- * @param string $param the parameter of which the value is returned
- * @param string If we want to give the path rather than take it from POST
- * @return string the value of the parameter
- * @author Olivier Brouckaert
- * @author Reworked by Ivan Tcholakov, 2010
- */
- function get_config_param($param, $updatePath = '') {
- global $configFile, $updateFromConfigFile;
- // Look if we already have the queried parameter.
- if (is_array($configFile) && isset($configFile[$param])) {
- return $configFile[$param];
- }
- if (empty($updatePath) && !empty($_POST['updatePath'])) {
- $updatePath = $_POST['updatePath'];
- }
- $updatePath = api_add_trailing_slash(str_replace('\\', '/', realpath($updatePath)));
- $updateFromInstalledVersionFile = '';
- if (empty($updateFromConfigFile)) {
- // If update from previous install was requested,
- // try to recover old config file from dokeos 1.8.x.
- if (file_exists($updatePath.'main/inc/conf/configuration.php')) {
- $updateFromConfigFile = 'main/inc/conf/configuration.php';
- } elseif (file_exists($updatePath.'claroline/inc/conf/claro_main.conf.php')) {
- $updateFromConfigFile = 'claroline/inc/conf/claro_main.conf.php';
- } else {
- // Give up recovering.
- error_log('Could not find config file in '.$updatePath.' in get_config_param()', 0);
- return null;
- }
- }
- if (file_exists($updatePath.$updateFromConfigFile)) {
- // The parameter was not found among the global variables, so look into the old configuration file.
- // Make sure the installedVersion file is read first so it is overwritten
- // by the config file if the config file contains the version (from 1.8.4).
- $config_data_2 = array();
- if (file_exists($updatePath.$updateFromInstalledVersionFile)) {
- $config_data_2 = file_to_array($updatePath.$updateFromInstalledVersionFile);
- }
- $configFile = array();
- $config_data = file_to_array($updatePath.$updateFromConfigFile);
- $config_data = array_merge($config_data, $config_data_2);
- $val = '';
- // Parse the configuration file, statement by statement (line by line, actually).
- foreach ($config_data as $php_statement) {
- if (strpos($php_statement, '=') !== false) {
- // Variable assignment statement have been detected (probably).
- // It is expected to be as follows:
- // $variable = 'some_value'; // A comment that is not mandatory.
- // Split the statement into its left and right sides.
- $php_statement = explode('=', $php_statement);
- $variable = trim($php_statement[0]);
- $value = $php_statement[1];
- if (substr($variable, 0, 1) == '$') {
- // We have for sure a php variable assignment detected.
- // On the left side: Retrieve the pure variable's name
- $variable = trim(str_replace('$', '', $variable));
- // On the right side: Remove the comment, if it exists.
- list($value) = explode(' //', $value);
- // Remove extra whitespace, if any. Remove the trailing semicolon (;).
- $value = substr(trim($value), 0, -1);
- // Remove surroundig quotes, restore escaped quotes.
- $value = str_replace('\"', '"', preg_replace('/^"|"$/', '', $value));
- $value = str_replace('\'', '"', preg_replace('/^\'|\'$/', '', $value));
- if (strtolower($value) == 'true') {
- // A boolean true value have been recognized.
- $value = 1;
- } elseif (strtolower($value) == 'false') {
- // A boolean false value have been recognized.
- $value = 0;
- } else {
- // Probably we have a string value, but also we have to check
- // possible string concatenations that may include string values
- // and other configuration variables. I this case we have to
- // get the calculated result of the concatenation.
- $implode_string = ' ';
- if (!strstr($value, '." ".') && strstr($value, '.$')) {
- // Yes, there is concatenation, insert a special separator string.
- $value = str_replace('.$', '." ".$', $value);
- $implode_string = '';
- }
- // Split the concatenated values, if they are more than one.
- $sub_strings = explode('." ".', $value);
- // Seek for variables and retrieve their values.
- foreach ($sub_strings as $key => & $sub_string) {
- if (preg_match('/^\$[a-zA-Z_][a-zA-Z0-9_]*$/', $sub_string)) {
- // A variable has been detected, read it by recursive call.
- $sub_string = get_config_param(str_replace('$', '', $sub_string));
- }
- }
- // Concatenate everything into the final, the calculated string value.
- $value = implode($implode_string, $sub_strings);
- }
- // Cache the result value.
- $configFile[$variable] = $value;
- $a = explode("'", $variable);
- $key_tmp = $a[1];
- if ($key_tmp == $param) {
- $val = $value;
- }
- }
- }
- }
- }
- //Special treatment for dokeos_version parameter due to Dokeos 1.8.3 have the dokeos_version in the main/inc/installedVersion.inc.php file
- if ($param == 'dokeos_version') {
- //dokeos_version from configuration.php if empty
- $dokeos_version = $val;
- if (empty($dokeos_version)) {
- //checking the dokeos_version value exists in main/inc/installedVersion.inc.php
- if (file_exists($updatePath.'main/inc/installedVersion.inc.php')) {
- $updateFromInstalledVersionFile = $updatePath.'main/inc/installedVersion.inc.php';
- require ($updateFromInstalledVersionFile); //there are only 2 variables here: $stable & $dokeos_version
- $stable = false;
- }
- }
- return $dokeos_version;
- } else {
- if (file_exists($updatePath.$updateFromConfigFile)) {
- return $val;
- } else {
- error_log('Config array could not be found in get_config_param()', 0);
- return null;
- }
- }
- }
- /* DATABASE RELATED FUNCTIONS */
- /**
- * Gets a configuration parameter from the database. Returns returns null on failure.
- * @param string DB Host
- * @param string DB login
- * @param string DB pass
- * @param string DB name
- * @param string Name of param we want
- * @return mixed The parameter value or null if not found
- */
- function get_config_param_from_db($host, $login, $pass, $db_name, $param = '') {
- Database::connect(array('server' => $host, 'username' => $login, 'password' => $pass));
- Database::query("set session sql_mode='';"); // Disabling special SQL modes (MySQL 5)
- Database::select_db($db_name);
- if (($res = Database::query("SELECT * FROM settings_current WHERE variable = '$param'")) !== false) {
- if (Database::num_rows($res) > 0) {
- $row = Database::fetch_array($res);
- return $row['selected_value'];
- }
- }
- return null;
- }
- /**
- * Connects to the database server.
- */
- function database_server_connect() {
- global $dbHostForm, $dbUsernameForm, $dbPassForm;
- if (($res = @Database::connect(array('server' => $dbHostForm, 'username' => $dbUsernameForm, 'password' => $dbPassForm))) === false) {
- $no = Database::errno();
- $msg = Database::error();
- echo '<hr />#'.$no.': '.$msg.'<hr />';
- echo get_lang('DBServerDoesntWorkOrLoginPassIsWrong').'.<br /><br />'.
- get_lang('PleaseCheckTheseValues').' :<br /><br />'.
- '<strong>'.get_lang('DBHost').'</strong> : '.$dbHostForm.'<br />'.
- '<strong>'.get_lang('DBLogin').'</strong> : '.$dbUsernameForm.'<br />'.
- '<strong>'.get_lang('DBPassword').'</strong> : '.$dbPassForm.'<br /><br />'.
- get_lang('PleaseGoBackToStep').' '. (defined('SYSTEM_INSTALLATION') ? '3' : '1').'.'.
- '<p><button type="submit" class="back" name="step'. (defined('SYSTEM_INSTALLATION') ? '3' : '1').'" value="< '.get_lang('Back').'">'.get_lang('Back').'</button></p>'.
- '</td></tr></table></form></body></html>';
- exit ();
- }
- @Database::query("set session sql_mode='';"); // Disabling special SQL modes (MySQL 5)
- }
- /**
- * In step 3. Tests establishing connection to the database server. Tests also the possibility for multiple databases configuration.
- * @return int 1 when there is no problem;
- * 0 when a new database is impossible to be created, then the multiple databases configuration is impossible too;
- * -1 when there is no connection established.
- */
- function test_db_connect($dbHostForm, $dbUsernameForm, $dbPassForm, $singleDbForm, $dbPrefixForm) {
- $dbConnect = -1;
- if ($singleDbForm == 1) {
- if (@Database::connect(array('server' => $dbHostForm, 'username' => $dbUsernameForm, 'password' => $dbPassForm)) !== false) {
- $dbConnect = 1;
- } else {
- $dbConnect = -1;
- }
- } elseif ($singleDbForm == 0) {
- if (@Database::connect(array('server' => $dbHostForm, 'username' => $dbUsernameForm, 'password' => $dbPassForm)) !== false) {
- @Database::query("set session sql_mode='';"); // Disabling special SQL modes (MySQL 5)
- $multipleDbCheck = @Database::query("CREATE DATABASE ".$dbPrefixForm."test_chamilo_connection");
- if ($multipleDbCheck !== false) {
- $multipleDbCheck = @Database::query("DROP DATABASE IF EXISTS ".$dbPrefixForm."test_chamilo_connection");
- if ($multipleDbCheck !== false) {
- $dbConnect = 1;
- } else {
- $dbConnect = 0;
- }
- } else {
- $dbConnect = 0;
- }
- } else {
- $dbConnect = -1;
- }
- }
- return $dbConnect; //return "1"if no problems, "0" if, in case of multiDB we can't create a new DB and "-1" if there is no connection.
- }
- /**
- * Fills the countries table with a list of countries.
- */
- function fill_track_countries_table($track_countries_table) {
- $file_path = dirname(__FILE__).'/'.COUNTRY_DATA_FILENAME;
- $add_country_sql = "LOAD DATA INFILE '".Database::escape_string($file_path)."' INTO TABLE $track_countries_table FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '\'';";
- @ Database::query($add_country_sql);
- }
- /**
- * Creates the structure of the main database and fills it
- * with data. Placeholder symbols in the main database file
- * have to be replaced by the settings entered by the user during installation.
- *
- * @param array $installation_settings list of settings entered by the user
- * @param string optional path about the script for database
- * @return void
- */
- function load_main_database($installation_settings, $db_script = '') {
- if (!empty($db_script)) {
- $sql_text = file_get_contents($db_script);
- } else {
- $sql_text = file_get_contents(SYSTEM_MAIN_DATABASE_FILE);
- }
- //replace symbolic parameters with user-specified values
- foreach ($installation_settings as $key => $value) {
- $sql_text = str_replace($key, Database::escape_string($value), $sql_text);
- }
- //split in array of sql strings
- $sql_instructions = array();
- $success = split_sql_file($sql_instructions, $sql_text);
- //execute the sql instructions
- $count = count($sql_instructions);
- for ($i = 0; $i < $count; $i++) {
- $this_sql_query = $sql_instructions[$i]['query'];
- Database::query($this_sql_query);
- }
- }
- /**
- * Creates the structure of the stats database
- * @param string Name of the file containing the SQL script inside the install directory
- */
- function load_database_script($db_script) {
- $sql_text = file_get_contents($db_script);
- //split in array of sql strings
- $sql_instructions = array();
- $success = split_sql_file($sql_instructions, $sql_text);
- //execute the sql instructions
- $count = count($sql_instructions);
- for ($i = 0; $i < $count; $i++) {
- $this_sql_query = $sql_instructions[$i]['query'];
- Database::query($this_sql_query);
- }
- }
- /**
- * Function copied and adapted from phpMyAdmin 2.6.0 PMA_splitSqlFile (also GNU GPL)
- * Removes comment lines and splits up large sql files into individual queries
- * Last revision: September 23, 2001 - gandon
- * @param array the splitted sql commands
- * @param string the sql commands
- * @param integer the MySQL release number (because certains php3 versions
- * can't get the value of a constant from within a function)
- * @return boolean always true
- */
- function split_sql_file(&$ret, $sql) {
- // do not trim, see bug #1030644
- //$sql = trim($sql);
- $sql = rtrim($sql, "\n\r");
- $sql_len = strlen($sql);
- $char = '';
- $string_start = '';
- $in_string = false;
- $nothing = true;
- $time0 = time();
- for ($i = 0; $i < $sql_len; ++$i) {
- $char = $sql[$i];
- // We are in a string, check for not escaped end of strings except for
- // backquotes that can't be escaped
- if ($in_string) {
- for (;;) {
- $i = strpos($sql, $string_start, $i);
- // No end of string found -> add the current substring to the
- // returned array
- if (!$i) {
- $ret[] = $sql;
- return true;
- }
- // Backquotes or no backslashes before quotes: it's indeed the
- // end of the string -> exit the loop
- elseif ($string_start == '`' || $sql[$i - 1] != '\\') {
- $string_start = '';
- $in_string = false;
- break;
- }
- // one or more Backslashes before the presumed end of string...
- else {
- // ... first checks for escaped backslashes
- $j = 2;
- $escaped_backslash = false;
- while ($i - $j > 0 && $sql[$i - $j] == '\\') {
- $escaped_backslash = !$escaped_backslash;
- $j++;
- }
- // ... if escaped backslashes: it's really the end of the
- // string -> exit the loop
- if ($escaped_backslash) {
- $string_start = '';
- $in_string = false;
- break;
- }
- // ... else loop
- else {
- $i++;
- }
- } // end if...elseif...else
- } // end for
- } // end if (in string)
- // lets skip comments (/*, -- and #)
- elseif (($char == '-' && $sql_len > $i + 2 && $sql[$i + 1] == '-' && $sql[$i + 2] <= ' ') || $char == '#' || ($char == '/' && $sql_len > $i + 1 && $sql[$i + 1] == '*')) {
- $i = strpos($sql, $char == '/' ? '*/' : "\n", $i);
- // didn't we hit end of string?
- if ($i === false) {
- break;
- }
- if ($char == '/') $i++;
- }
- // We are not in a string, first check for delimiter...
- elseif ($char == ';') {
- // if delimiter found, add the parsed part to the returned array
- $ret[] = array('query' => substr($sql, 0, $i), 'empty' => $nothing);
- $nothing = true;
- $sql = ltrim(substr($sql, min($i + 1, $sql_len)));
- $sql_len = strlen($sql);
- if ($sql_len) {
- $i = -1;
- } else {
- // The submited statement(s) end(s) here
- return true;
- }
- } // end elseif (is delimiter)
- // ... then check for start of a string,...
- elseif (($char == '"') || ($char == '\'') || ($char == '`')) {
- $in_string = true;
- $nothing = false;
- $string_start = $char;
- } // end elseif (is start of string)
- elseif ($nothing) {
- $nothing = false;
- }
- // loic1: send a fake header each 30 sec. to bypass browser timeout
- $time1 = time();
- if ($time1 >= $time0 + 30) {
- $time0 = $time1;
- header('X-pmaPing: Pong');
- } // end if
- } // end for
- // add any rest to the returned array
- if (!empty($sql) && preg_match('@[^[:space:]]+@', $sql)) {
- $ret[] = array('query' => $sql, 'empty' => $nothing);
- }
- return true;
- } // end of the 'split_sql_file()' function
- /**
- * Get an SQL file's contents
- *
- * This function bases its parsing on the pre-set format of the specific SQL files in
- * the install/upgrade procedure:
- * Lines starting with "--" are comments (but need to be taken into account as they also hold sections names)
- * Other lines are considered to be one-line-per-query lines (this is checked quickly by this function)
- * @param string File to parse (in the current directory)
- * @param string Section to return
- * @param boolean Print (true) or hide (false) error texts when they occur
- */
- function get_sql_file_contents($file, $section, $print_errors = true) {
- //check given parameters
- if (empty($file)) {
- $error = "Missing name of file to parse in get_sql_file_contents()";
- if ($print_errors) echo $error;
- return false;
- }
- if (!in_array($section, array('main', 'user', 'stats', 'scorm', 'course'))) {
- $error = "Section '$section' is not authorized in get_sql_file_contents()";
- if ($print_errors) echo $error;
- return false;
- }
- $filepath = getcwd().'/'.$file;
- if (!is_file($filepath) or !is_readable($filepath)) {
- $error = "File $filepath not found or not readable in get_sql_file_contents()";
- if ($print_errors) echo $error;
- return false;
- }
- //read the file in an array
- $file_contents = file($filepath);
- if (!is_array($file_contents) or count($file_contents) < 1) {
- $error = "File $filepath looks empty in get_sql_file_contents()";
- if ($print_errors) echo $error;
- return false;
- }
- //prepare the resulting array
- $section_contents = array();
- $record = false;
- foreach ($file_contents as $index => $line) {
- if (substr($line, 0, 2) == '--') {
- //This is a comment. Check if section name, otherwise ignore
- $result = array();
- if (preg_match('/^-- xx([A-Z]*)xx/', $line, $result)) { //we got a section name here
- if ($result[1] == strtoupper($section)) {
- //we have the section we are looking for, start recording
- $record = true;
- } else {
- //we have another section's header. If we were recording, stop now and exit loop
- if ($record) {
- break;
- }
- $record = false;
- }
- }
- } else {
- if ($record) {
- if (!empty($line)) {
- $section_contents[] = $line;
- }
- }
- }
- }
- //now we have our section's SQL statements group ready, return
- return $section_contents;
- }
- /**
- * Adds a new document to the database - specific to version 1.8.0
- *
- * @param array $_course
- * @param string $path
- * @param string $filetype
- * @param int $filesize
- * @param string $title
- * @return id if inserted document
- */
- function add_document_180($_course, $path, $filetype, $filesize, $title, $comment = null) {
- $table_document = Database::get_course_table(TABLE_DOCUMENT, $_course['dbName']);
- $sql = "INSERT INTO $table_document
- (`path`,`filetype`,`size`,`title`, `comment`)
- VALUES ('$path','$filetype','$filesize','".
- Database::escape_string($title)."', '$comment')";
- if (Database::query($sql)) {
- //display_message("Added to database (id ".Database::insert_id().")!");
- return Database::insert_id();
- } else {
- //display_error("The uploaded file could not be added to the database (".Database::error().")!");
- return false;
- }
- }
- /* DISPLAY FUNCTIONS */
- /**
- * This function prints class=active_step $current_step=$param
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- */
- function step_active($param) {
- global $current_step;
- if ($param == $current_step) {
- echo 'class="current_step" ';
- }
- }
- /**
- * This function displays the Step X of Y -
- * @return string String that says 'Step X of Y' with the right values
- */
- function display_step_sequence() {
- global $current_step;
- global $total_steps;
- return get_lang('Step'.$current_step).' – ';
- }
- /**
- * Displays a drop down box for selection the preferred language.
- */
- function display_language_selection_box($name = 'language_list', $default_language = 'english') {
- // Reading language list.
- $language_list = get_language_folder_list();
- /*
- // Reduction of the number of languages shown. Enable this fragment of code for customization purposes.
- // Modify the language list according to your preference. Don't exclude the 'english' item.
- $language_to_display = array('asturian', 'bulgarian', 'english', 'italian', 'french', 'slovenian', 'slovenian_unicode', 'spanish');
- foreach ($language_list as $key => & $value) {
- if (!in_array($key, $language_to_display)) {
- unset($language_list[$key]);
- }
- }
- */
- // Sanity checks due to the possibility for customizations.
- if (!is_array($language_list) || empty($language_list)) {
- $language_list = array('english' => 'English');
- }
- // Sorting again, if it is necessary.
- //asort($language_list);
- // More sanity checks.
- if (!array_key_exists($default_language, $language_list)) {
- if (array_key_exists('english', $language_list)) {
- $default_language = 'english';
- } else {
- $language_keys = array_keys($language_list);
- $default_language = $language_keys[0];
- }
- }
- // Displaying the box.
- echo "\t\t<select name=\"$name\">\n";
- foreach ($language_list as $key => $value) {
- if ($key == $default_language) {
- $option_end = ' selected="selected">';
- } else {
- $option_end = '>';
- }
- echo "\t\t\t<option value=\"$key\"$option_end";
- echo $value;
- echo "</option>\n";
- }
- echo "\t\t</select>\n";
- }
- /**
- * This function displays a language dropdown box so that the installatioin
- * can be done in the language of the user
- */
- function display_language_selection() { ?>
- <h1><?php get_lang('WelcomeToTheDokeosInstaller'); ?></h1>
- <h2><?php echo display_step_sequence(); ?><?php echo get_lang('InstallationLanguage'); ?></h2>
- <p><?php echo get_lang('PleaseSelectInstallationProcessLanguage'); ?>:</p>
- <form id="lang_form" method="post" action="<?php echo api_get_self(); ?>">
- <?php display_language_selection_box('language_list', api_get_interface_language()); ?>
- <button type="submit" name="step1" class="next" value="<?php get_lang('Next'); ?> >"><?php echo get_lang('Next'); ?></button>
- <input type="hidden" name="is_executable" id="is_executable" value="-" />
- </form>
- <?php
- }
- /**
- * This function displays the requirements for installing Chamilo.
- *
- * @param string $installType
- * @param boolean $badUpdatePath
- * @param string The updatePath given (if given)
- * @param array $update_from_version_8 The different subversions from version 1.8
- * @param array $update_from_version_6 The different subversions from version 1.6
- *
- * @author unknow
- * @author Patrick Cool <patrick.cool@UGent.be>, Ghent University
- */
- function display_requirements($installType, $badUpdatePath, $updatePath = '', $update_from_version_8 = array(), $update_from_version_6 = array()) {
- echo '<h2>'.display_step_sequence().get_lang('Requirements')."</h2>\n";
- echo '<strong>'.get_lang('ReadThoroughly').'</strong><br />';
- echo get_lang('MoreDetails').' <a href="../../documentation/installation_guide.html" target="_blank">'.get_lang('ReadTheInstallGuide').'</a>.<br />'."\n";
- // SERVER REQUIREMENTS
- echo '<div class="RequirementHeading"><h1>'.get_lang('ServerRequirements').'</h1>';
- echo '<div class="RequirementText">'.get_lang('ServerRequirementsInfo').'</div>';
- echo '<div class="RequirementContent">';
- echo '<table class="requirements">
- <tr>
- <td class="requirements-item">'.get_lang('PHPVersion').'>= 5.0</td>
- <td class="requirements-value">';
- if (phpversion() < '5.0') {
- echo '<strong><font color="red">'.get_lang('PHPVersionError').'</font></strong>';
- } else {
- echo '<strong><font color="green">'.get_lang('PHPVersionOK'). ' '.phpversion().'</font></strong>';
- }
- echo ' </td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.session.php" target="_blank">Session</a> '.get_lang('support').'</td>
- <td class="requirements-value">'.check_extension('session', get_lang('Yes'), get_lang('ExtensionSessionsNotAvailable')).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.mysql.php" target="_blank">MySQL</a> '.get_lang('support').'</td>
- <td class="requirements-value">'.check_extension('mysql', get_lang('Yes'), get_lang('ExtensionMySQLNotAvailable')).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.zlib.php" target="_blank">Zlib</a> '.get_lang('support').'</td>
- <td class="requirements-value">'.check_extension('zlib', get_lang('Yes'), get_lang('ExtensionZlibNotAvailable')).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.pcre.php" target="_blank">Perl-compatible regular expressions</a> '.get_lang('support').'</td>
- <td class="requirements-value">'.check_extension('pcre', get_lang('Yes'), get_lang('ExtensionPCRENotAvailable')).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.xml.php" target="_blank">XML</a> '.get_lang('support').'</td>
- <td class="requirements-value">'.check_extension('xml', get_lang('Yes'), get_lang('No')).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.mbstring.php" target="_blank">Multibyte string</a> '.get_lang('support').' ('.get_lang('Optional').')</td>
- <td class="requirements-value">'.check_extension('mbstring', get_lang('Yes'), get_lang('ExtensionMBStringNotAvailable'), true).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.iconv.php" target="_blank">Iconv</a> '.get_lang('support').' ('.get_lang('Optional').')</td>
- <td class="requirements-value">'.check_extension('iconv', get_lang('Yes'), get_lang('No'), true).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.intl.php" target="_blank">Internationalization</a> '.get_lang('support').' ('.get_lang('Optional').')</td>
- <td class="requirements-value">'.check_extension('intl', get_lang('Yes'), get_lang('No'), true).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.image.php" target="_blank">GD</a> '.get_lang('support').'</td>
- <td class="requirements-value">'.check_extension('gd', get_lang('Yes'), get_lang('ExtensionGDNotAvailable')).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.json.php" target="_blank">JSON</a> '.get_lang('support').'</td>
- <td class="requirements-value">'.check_extension('json', get_lang('Yes'), get_lang('No')).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/en/book.ldap.php" target="_blank">LDAP</a> '.get_lang('support').' ('.get_lang('Optional').')</td>
- <td class="requirements-value">'.check_extension('ldap', get_lang('Yes'), get_lang('ExtensionLDAPNotAvailable'), true).'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://xapian.org/" target="_blank">Xapian</a> '.get_lang('support').' ('.get_lang('Optional').')</td>
- <td class="requirements-value">'.check_extension('xapian', get_lang('Yes'), get_lang('No'), true).'</td>
- </tr>
- </table>';
- echo ' </div>';
- echo '</div>';
- // RECOMMENDED SETTINGS
- // Note: these are the settings for Joomla, does this also apply for Chamilo?
- // Note: also add upload_max_filesize here so that large uploads are possible
- echo '<div class="RequirementHeading"><h1>'.get_lang('RecommendedSettings').'</h1>';
- echo '<div class="RequirementText">'.get_lang('RecommendedSettingsInfo').'</div>';
- echo '<div class="RequirementContent">';
- echo '<table class="requirements">
- <tr>
- <th>'.get_lang('Setting').'</th>
- <th>'.get_lang('Recommended').'</th>
- <th>'.get_lang('Actual').'</th>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/features.safe-mode.php">Safe Mode</a></td>
- <td class="requirements-recommended">OFF</td>
- <td class="requirements-value">'.check_php_setting('safe_mode','OFF').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/ref.errorfunc.php#ini.display-errors">Display Errors</a></td>
- <td class="requirements-recommended">OFF</td>
- <td class="requirements-value">'.check_php_setting('display_errors','OFF').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/ini.core.php#ini.file-uploads">File Uploads</a></td>
- <td class="requirements-recommended">ON</td>
- <td class="requirements-value">'.check_php_setting('file_uploads','ON').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/ref.info.php#ini.magic-quotes-gpc">Magic Quotes GPC</a></td>
- <td class="requirements-recommended">OFF</td>
- <td class="requirements-value">'.check_php_setting('magic_quotes_gpc','OFF').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/ref.info.php#ini.magic-quotes-runtime">Magic Quotes Runtime</a></td>
- <td class="requirements-recommended">OFF</td>
- <td class="requirements-value">'.check_php_setting('magic_quotes_runtime','OFF').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/security.globals.php">Register Globals</a></td>
- <td class="requirements-recommended">OFF</td>
- <td class="requirements-value">'.check_php_setting('register_globals','OFF').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/ref.session.php#ini.session.auto-start">Session auto start</a></td>
- <td class="requirements-recommended">OFF</td>
- <td class="requirements-value">'.check_php_setting('session.auto_start','OFF').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/ini.core.php#ini.short-open-tag">Short Open Tag</a></td>
- <td class="requirements-recommended">OFF</td>
- <td class="requirements-value">'.check_php_setting('short_open_tag','OFF').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/ini.core.php#ini.upload-max-filesize">Maximum upload file size</a></td>
- <td class="requirements-recommended">10M-100M</td>
- <td class="requirements-value">'.ini_get('upload_max_filesize').'</td>
- </tr>
- <tr>
- <td class="requirements-item"><a href="http://php.net/manual/ini.core.php#ini.post-max-size">Maximum post size</a></td>
- <td class="requirements-recommended">10M-100M</td>
- <td class="requirements-value">'.ini_get('post_max_size').'</td>
- </tr>
- </table>';
- echo ' </div>';
- echo '</div>';
- // DIRECTORY AND FILE PERMISSIONS
- echo '<div class="RequirementHeading"><h1>'.get_lang('DirectoryAndFilePermissions').'</h1>';
- echo '<div class="RequirementText">'.get_lang('DirectoryAndFilePermissionsInfo').'</div>';
- echo '<div class="RequirementContent">';
- echo '<table class="requirements">
- <tr>
- <td class="requirements-item">chamilo/main/inc/conf/</td>
- <td class="requirements-value">'.check_writable('inc/conf/').'</td>
- </tr>
- <tr>
- <td class="requirements-item">chamilo/main/upload/users/</td>
- <td class="requirements-value">'.check_writable('upload/users/').'</td>
- </tr>
- <tr>
- <td class="requirements-item">chamilo/main/default_course_document/images/</td>
- <td class="requirements-value">'.check_writable('default_course_document/images/').'</td>
- </tr>
- <tr>
- <td class="requirements-item">chamilo/archive/</td>
- <td class="requirements-value">'.check_writable('../archive/').'</td>
- </tr>
- <tr>
- <td class="requirements-item">chamilo/courses/</td>
- <td class="requirements-value">'.check_writable('../courses/').'</td>
- </tr>
- <tr>
- <td class="requirements-item">chamilo/home/</td>
- <td class="requirements-value">'.check_writable('../home/').'</td>
- </tr>
- <tr>
- <td class="requirements-item">chamilo/main/css/</td>
- <td class="requirements-value">'.check_writable('css/',true).' ('.get_lang('SuggestionOnlyToEnableCSSUploadFeature').')</td>
- </tr>
- <tr>
- <td class="requirements-item">chamilo/main/lang/</td>
- <td class="requirements-value">'.check_writable('lang/',true).' ('.get_lang('SuggestionOnlyToEnableSubLanguageFeature').')</td>
- </tr>'.
- //'<tr>
- // <td class="requirements-item">chamilo/searchdb/</td>
- // <td class="requirements-value">'.check_writable('../searchdb/').'</td>
- //</tr>'.
- //'<tr>
- // <td class="requirements-item">'.session_save_path().'</td>
- // <td class="requirements-value">'.(is_writable(session_save_path())
- // ? '<strong><font color="green">'.get_lang('Writable').'</font></strong>'
- // : '<strong><font color="red">'.get_lang('NotWritable').'</font></strong>').'</td>
- //</tr>'.
- '';
- echo ' </table>';
- echo ' </div>';
- echo '</div>';
- if ($installType == 'update' && (empty($updatePath) || $badUpdatePath)) {
- if ($badUpdatePath) { ?>
- <div style="color:red; background-color:white; font-weight:bold; text-align:center;">
- <?php echo get_lang('Error'); ?>!<br />
- Chamilo <?php echo (isset($_POST['step2_update_6']) ? implode('|', $update_from_version_6) : implode('|', $update_from_version_8)).' '.get_lang('HasNotBeenFoundInThatDir'); ?>.
- </div>
- <?php }
- else {
- echo '<br />';
- }
- ?>
- <table border="0" cellpadding="5" align="center">
- <tr>
- <td><?php echo get_lang('OldVersionRootPath'); ?>:</td>
- <td><input type="text" name="updatePath" size="50" value="<?php echo ($badUpdatePath && !empty($updatePath)) ? htmlentities($updatePath) : $_SERVER['DOCUMENT_ROOT'].'/old_version/'; ?>" /></td>
- </tr>
- <tr>
- <td colspan="2" align="center">
- <button type="submit" class="back" name="step1" value="< <?php echo get_lang('Back'); ?>" ><?php echo get_lang('Back'); ?></button>
- <input type="hidden" name="is_executable" id="is_executable" value="-" />
- <button type="submit" class="next" name="<?php echo (isset($_POST['step2_update_6']) ? 'step2_update_6' : 'step2_update_8'); ?>" value="<?php echo get_lang('Next'); ?> >" ><?php echo get_lang('Next'); ?></button>
- </td>
- </tr>
- </table>
- <?php
- } else {
- $error = false;
- // First, attempt to set writing permissions if we don't have them yet
- $perm = api_get_permissions_for_new_directories();
- $perm_file = api_get_permissions_for_new_files();
- $notwritable = array();
- $curdir = getcwd();
- if (!is_writable('../inc/conf')) {
- $notwritable[] = realpath($curdir.'/../inc/conf');
- @chmod('../inc/conf',$perm);
- }
- if (!is_writable('../upload/users')) {
- $notwritable[] = realpath($curdir.'/../upload/users');
- @chmod('../upload/users', $perm);
- }
- if (!is_writable('../default_course_document/images/')) {
- $notwritable[] = realpath($curdir.'/../default_course_document/images/');
- @chmod('../default_course_document/images/', $perm);
- }
- if (!is_writable('../../archive')) {
- $notwritable[] = realpath($curdir.'/../../archive');
- @chmod('../../archive',$perm);
- }
- if (!is_writable('../../courses')) {
- $notwritable[] = realpath($curdir.'/../../courses');
- @chmod('../../courses',$perm);
- }
- if (!is_writable('../../home')) {
- $notwritable[] = realpath($curdir.'/../../home');
- @chmod('../../home',$perm);
- }
- if (file_exists('../inc/conf/configuration.php') && !is_writable('../inc/conf/configuration.php')) {
- $notwritable[]= realpath($curdir.'/../inc/conf/configuration.php');
- @chmod('../inc/conf/configuration.php',$perm_file);
- }
- //Second, if this fails, report an error
- //--> the user will have to adjust the permissions manually
- if (count($notwritable) > 0) {
- $error = true;
- echo '<div style="color:red; background-color:white; font-weight:bold; text-align:center;">';
- echo get_lang('Warning').':<br />';
- printf(get_lang('NoWritePermissionPleaseReadInstallGuide'), '</font><a href="../../documentation/installation_guide.html" target="blank">', '</a> <font color="red">');
- echo '<ul>';
- foreach ($notwritable as $value) {
- echo '<li>'.$value.'</li>';
- }
- echo '</ul>';
- echo '</div>';
- }
- // check wether a Chamilo configuration file already exists.
- elseif (file_exists('../inc/conf/configuration.php')) {
- echo '<div style="color:red; background-color:white; font-weight:bold; text-align:center;">';
- echo get_lang('WarningExistingDokeosInstallationDetected');
- echo '</div>';
- }
- //and now display the choice buttons (go back or install)
- ?>
- <p align="center">
- <button type="submit" name="step1" class="back" onclick="javascript: window.location='index.php'; return false;" value="< <?php echo get_lang('Previous'); ?>" ><?php echo get_lang('Previous'); ?></button>
- <button type="submit" name="step2_install" class="add" value="<?php echo get_lang("NewInstallation"); ?>" <?php if ($error) echo 'disabled="disabled"'; ?> ><?php echo get_lang('NewInstallation'); ?></button>
- <input type="hidden" name="is_executable" id="is_executable" value="-" />
- <?php
- //real code
- echo '<button type="submit" class="save" name="step2_update_8" value="Upgrade from Dokeos 1.8.x"';
- if ($error) echo ' disabled="disabled"';
- //temporary code for alpha version, disabling upgrade
- //echo '<input type="submit" name="step2_update" value="Upgrading is not possible in this beta version"';
- //echo ' disabled="disabled"';
- //end temp code
- echo ' >'.get_lang('UpgradeFromDokeos18x').'</button>';
- echo '<button type="submit" class="save" name="step2_update_6" value="Upgrade from Dokeos 1.6.x"';
- if ($error) echo ' disabled="disabled"';
- echo ' >'.get_lang('UpgradeFromDokeos16x').'</button>';
- echo '</p>';
- }
- }
- /**
- * Displays the license (GNU GPL) as step 2, with
- * - an "I accept" button named step3 to proceed to step 3;
- * - a "Back" button named step1 to go back to the first step.
- */
- function display_license_agreement() {
- echo '<h2>'.display_step_sequence().get_lang('Licence').'</h2>';
- echo '<p>'.get_lang('DokeosLicenseInfo').'</p>';
- echo '<p><a href="../../documentation/license.html" target="_blank">'.get_lang('PrintVers').'</a></p>';
- ?>
- <table><tr><td>
- <p><textarea cols="75" rows="15" ><?php htmlentities(include('../../documentation/license.txt')); ?></textarea></p>
- </td>
- </tr>
- <tr>
- <td>
- <p><?php echo get_lang('DokeosArtLicense');?></p>
- </td>
- </tr>
- <td>
- <table width="100%">
- <tr>
- <td></td>
- <td align="center">
- <button type="submit" class="back" name="step1" value="< <?php echo get_lang('Previous'); ?>" ><?php echo get_lang('Previous'); ?></button>
- <input type="hidden" name="is_executable" id="is_executable" value="-" />
- <button type="submit" class="next" name="step3" value="<?php echo get_lang('IAccept'); ?> >" ><?php echo get_lang('IAccept'); ?></button>
- </td>
- </tr>
- </table>
- </td></tr></table>
- <?php
- }
- /**
- * Displays a parameter in a table row.
- * Used by the display_database_settings_form function.
- * @param string Type of install
- * @param string Name of parameter
- * @param string Field name (in the HTML form)
- * @param string Field value
- * @param string Extra notice (to show on the right side)
- * @param boolean Whether to display in update mode
- * @param string Additional attribute for the <tr> element
- * @return void Direct output
- */
- function display_database_parameter($install_type, $parameter_name, $form_field_name, $parameter_value, $extra_notice, $display_when_update = true, $tr_attribute = '') {
- echo "<tr ".$tr_attribute.">\n";
- echo "<td>$parameter_name </td>\n";
- if ($install_type == INSTALL_TYPE_UPDATE && $display_when_update) {
- echo '<td><input type="hidden" name="'.$form_field_name.'" id="'.$form_field_name.'" value="'.api_htmlentities($parameter_value).'" />'.$parameter_value."</td>\n";
- } else {
- $inputtype = $form_field_name == 'dbPassForm' ? 'password' : 'text';
- //Slightly limit the length of the database prefix to avoid having to cut down the databases names later on
- $maxlength = $form_field_name == 'dbPrefixForm' ? '15' : MAX_FORM_FIELD_LENGTH;
- echo '<td><input type="'.$inputtype.'" size="'.DATABASE_FORM_FIELD_DISPLAY_LENGTH.'" maxlength="'.$maxlength.'" name="'.$form_field_name.'" id="'.$form_field_name.'" value="'.api_htmlentities($parameter_value).'" />'."</td>\n";
- echo "<td>$extra_notice</td>\n";
- }
- echo "</tr>\n";
- }
- /**
- * Displays step 3 - a form where the user can enter the installation settings
- * regarding the databases - login and password, names, prefixes, single
- * or multiple databases, tracking or not...
- */
- function display_database_settings_form($installType, $dbHostForm, $dbUsernameForm, $dbPassForm, $dbPrefixForm, $enableTrackingForm, $singleDbForm, $dbNameForm, $dbStatsForm, $dbScormForm, $dbUserForm) {
- if ($installType == 'update') {
- global $_configuration, $update_from_version_6;
- if (in_array($_POST['old_version'], $update_from_version_6)) {
- $dbHostForm = get_config_param('dbHost');
- $dbUsernameForm = get_config_param('dbLogin');
- $dbPassForm = get_config_param('dbPass');
- $dbPrefixForm = get_config_param('dbNamePrefix');
- $enableTrackingForm = get_config_param('is_trackingEnabled');
- $singleDbForm = get_config_param('singleDbEnabled');
- $dbNameForm = get_config_param('mainDbName');
- $dbStatsForm = get_config_param('statsDbName');
- $dbScormForm = get_config_param('scormDbName');
- $dbUserForm = get_config_param('user_personal_database');
- $dbScormExists = true;
- } else {
- $dbHostForm = $_configuration['db_host'];
- $dbUsernameForm = $_configuration['db_user'];
- $dbPassForm = $_configuration['db_password'];
- $dbPrefixForm = $_configuration['db_prefix'];
- $enableTrackingForm = $_configuration['tracking_enabled'];
- $singleDbForm = $_configuration['single_database'];
- $dbNameForm = $_configuration['main_database'];
- $dbStatsForm = $_configuration['statistics_database'];
- $dbScormForm = $_configuration['scorm_database'];
- $dbUserForm = $_configuration['user_personal_database'];
- $dbScormExists = true;
- }
- if (empty($dbScormForm)) {
- if ($singleDbForm) {
- $dbScormForm = $dbNameForm;
- } else {
- $dbScormForm = $dbPrefixForm.'scorm';
- $dbScormExists = false;
- }
- }
- if (empty($dbUserForm)) {
- $dbUserForm = $singleDbForm ? $dbNameForm : $dbPrefixForm.'chamilo_user';
- }
- echo '<h2>' . display_step_sequence() .get_lang('DBSetting') . '</h2>';
- echo get_lang('DBSettingUpgradeIntro');
- } else {
- if (empty($dbPrefixForm)) { //make sure there is a default value for db prefix
- $dbPrefixForm = 'chamilo_';
- }
- echo '<h2>' . display_step_sequence() .get_lang('DBSetting') . '</h2>';
- echo get_lang('DBSettingIntro');
- }
- ?>
- <br /><br />
- </td>
- </tr>
- <tr>
- <td>
- <table width="100%">
- <tr>
- <td width="40%"><?php echo get_lang('DBHost'); ?> </td>
- <?php if ($installType == 'update'): ?>
- <td width="30%"><input type="hidden" name="dbHostForm" value="<?php echo htmlentities($dbHostForm); ?>" /><?php echo $dbHostForm; ?></td>
- <td width="30%"> </td>
- <?php else: ?>
- <td width="30%"><input type="text" size="25" maxlength="50" name="dbHostForm" value="<?php echo htmlentities($dbHostForm); ?>" /></td>
- <td width="30%"><?php echo get_lang('EG').' localhost'; ?></td>
- <?php endif; ?>
- </tr>
- <?php
- //database user username
- $example_login = get_lang('EG').' root';
- display_database_parameter($installType, get_lang('DBLogin'), 'dbUsernameForm', $dbUsernameForm, $example_login);
- //database user password
- $example_password = get_lang('EG').' '.api_generate_password();
- display_database_parameter($installType, get_lang('DBPassword'), 'dbPassForm', $dbPassForm, $example_password);
- //database prefix
- display_database_parameter($installType, get_lang('DbPrefixForm'), 'dbPrefixForm', $dbPrefixForm, get_lang('DbPrefixCom'));
- //fields for the four standard Chamilo databases
- echo '<tr><td colspan="3"><a href="" onclick="javascript: show_hide_option();return false;" id="optionalparameters"><img style="vertical-align:middle;" src="../img/div_show.gif" alt="show-hide" /> '.get_lang('OptionalParameters', '').'</a></td></tr>';
- display_database_parameter($installType, get_lang('MainDB'), 'dbNameForm', $dbNameForm, ' ', null, 'id="optional_param1" style="display:none;"');
- display_database_parameter($installType, get_lang('StatDB'), 'dbStatsForm', $dbStatsForm, ' ', null, 'id="optional_param2" style="display:none;"');
- if ($installType == 'update' && in_array($_POST['old_version'], $update_from_version_6)) {
- display_database_parameter($installType, get_lang('ScormDB'), 'dbScormForm', $dbScormForm, ' ', null, 'id="optional_param3" style="display:none;"');
- }
- display_database_parameter($installType, get_lang('UserDB'), 'dbUserForm', $dbUserForm, ' ', null, 'id="optional_param4" style="display:none;"');
- ?>
- <tr id="optional_param5" style="display:none;">
- <td><?php echo get_lang('EnableTracking'); ?> </td>
- <?php if ($installType == 'update'): ?>
- <td><input type="hidden" name="enableTrackingForm" value="<?php echo $enableTrackingForm; ?>" /><?php echo $enableTrackingForm ? get_lang('Yes') : get_lang('No'); ?></td>
- <?php else: ?>
- <td>
- <input class="checkbox" type="radio" name="enableTrackingForm" value="1" id="enableTracking1" <?php echo $enableTrackingForm ? 'checked="checked" ' : ''; ?>/> <label for="enableTracking1"><?php echo get_lang('Yes'); ?></label>
- <input class="checkbox" type="radio" name="enableTrackingForm" value="0" id="enableTracking0" <?php echo $enableTrackingForm ? '' : 'checked="checked" '; ?>/> <label for="enableTracking0"><?php echo get_lang('No'); ?></label>
- </td>
- <?php endif; ?>
- <td> </td>
- </tr>
- <tr id="optional_param6" style="display:none;">
- <td><?php echo get_lang('SingleDb'); ?> </td>
- <?php if ($installType == 'update'): ?>
- <td><input type="hidden" name="singleDbForm" value="<?php echo $singleDbForm; ?>" /><?php echo $singleDbForm ? get_lang('One') : get_lang('Several'); ?></td>
- <?php else: ?>
- <td>
- <input class="checkbox" type="radio" name="singleDbForm" value="1" id="singleDb1" <?php echo $singleDbForm ? 'checked="checked" ' : ''; ?> onclick="javascript: show_hide_tracking_and_user_db(this.id);" /> <label for="singleDb1"><?php echo get_lang('One'); ?></label>
- <input class="checkbox" type="radio" name="singleDbForm" value="0" id="singleDb0" <?php echo $singleDbForm ? '' : 'checked="checked" '; ?> onclick="javascript: show_hide_tracking_and_user_db(this.id);" /> <label for="singleDb0"><?php echo get_lang('Several'); ?></label>
- </td>
- <?php endif; ?>
- <td> </td>
- </tr>
- </div>
- <tr>
- <td><button type="submit" class="login" name="step3" value="<?php echo get_lang('CheckDatabaseConnection'); ?>" ><?php echo get_lang('CheckDatabaseConnection'); ?></button></td>
- <?php
- $dbConnect = test_db_connect($dbHostForm, $dbUsernameForm, $dbPassForm, $singleDbForm, $dbPrefixForm);
- if ($dbConnect == 1): ?>
- <td colspan="2">
- <div class="confirmation-message">
- <!--<div style="float:left; margin-right:10px;">
- <img src="../img/message_confirmation.png" alt="Confirmation" />
- </div>-->
- <!--<div style="float:left;">-->
- Database host info: <strong><?php echo Database::get_host_info(); ?></strong><br />
- Database server version: <strong><?php echo Database::get_server_info(); ?></strong><br />
- Database client version: <strong><?php echo Database::get_client_info(); ?></strong><br />
- Database protocol version: <strong><?php echo Database::get_proto_info(); ?></strong>
- <!--</div>-->
- <div style="clear:both;"></div>
- </div>
- </td>
- <?php else: ?>
- <td colspan="2">
- <div style="float:left;" class="error-message">
- <!--<div style="float:left; margin-right:10px;">
- <img src="../img/message_error.png" alt="Error" />
- </div>-->
- <div style="float:left;">
- <strong>Database error: <?php echo Database::errno(); ?></strong><br />
- <?php echo Database::error().'<br />'; ?>
- <strong><?php echo get_lang('Details').': '. get_lang('FailedConectionDatabase'); ?></strong><br />
- </div>
- </div>
- </td>
- <?php endif; ?>
- </tr>
- <tr>
- <td><button type="submit" name="step2" class="back" value="< <?php echo get_lang('Previous'); ?>" ><?php echo get_lang('Previous'); ?></button></td>
- <td> </td>
- <td align="right"><input type="hidden" name="is_executable" id="is_executable" value="-" /><button type="submit" class="next" name="step4" value="<?php echo get_lang('Next'); ?> >" /><?php echo get_lang('Next'); ?></button></td>
- </tr>
- </table>
- <?php
- }
- /**
- * Displays a parameter in a table row.
- * Used by the display_configuration_settings_form function.
- */
- function display_configuration_parameter($install_type, $parameter_name, $form_field_name, $parameter_value, $display_when_update = 'true') {
- echo "<tr>\n";
- echo "<td>$parameter_name </td>\n";
- if ($install_type == INSTALL_TYPE_UPDATE && $display_when_update) {
- echo '<td><input type="hidden" name="'.$form_field_name.'" value="'.api_htmlentities($parameter_value, ENT_QUOTES).'" />'.$parameter_value."</td>\n";
- } else {
- echo '<td><input type="text" size="'.FORM_FIELD_DISPLAY_LENGTH.'" maxlength="'.MAX_FORM_FIELD_LENGTH.'" name="'.$form_field_name.'" value="'.api_htmlentities($parameter_value, ENT_QUOTES).'" />'."</td>\n";
- }
- echo "</tr>\n";
- }
- /**
- * Displays step 4 of the installation - configuration settings about Chamilo itself.
- */
- function display_configuration_settings_form($installType, $urlForm, $languageForm, $emailForm, $adminFirstName, $adminLastName, $adminPhoneForm, $campusForm, $institutionForm, $institutionUrlForm, $encryptPassForm, $allowSelfReg, $allowSelfRegProf, $loginForm, $passForm) {
- if ($installType != 'update' && empty($languageForm)) {
- $languageForm = $_SESSION['install_language'];
- }
- echo "<h2>" . display_step_sequence() . get_lang("CfgSetting") . "</h2>";
- echo '<p>'.get_lang('ConfigSettingsInfo').' <strong>main/inc/conf/configuration.php</strong></p>';
- echo "</td></tr>\n<tr><td>";
- echo "<table width=\"100%\">";
- //First parameter: language
- echo "<tr>\n";
- echo '<td>'.get_lang('MainLang')." </td>\n";
- if ($installType == 'update') {
- echo '<td><input type="hidden" name="languageForm" value="'.api_htmlentities($languageForm, ENT_QUOTES).'" />'.$languageForm."</td>\n";
- } else { // new installation
- echo '<td>';
- display_language_selection_box('languageForm', $languageForm);
- echo "</td>\n";
- }
- echo "</tr>\n";
- //Second parameter: Chamilo URL
- echo "<tr>\n";
- echo '<td>'.get_lang('ChamiloURL').' (<font color="red">'.get_lang('ThisFieldIsRequired')."</font>) </td>\n";
- if ($installType == 'update') {
- echo '<td>'.api_htmlentities($urlForm, ENT_QUOTES)."</td>\n";
- } else {
- echo '<td><input type="text" size="40" maxlength="100" name="urlForm" value="'.api_htmlentities($urlForm, ENT_QUOTES).'" />'."</td>\n";
- }
- echo "</tr>\n";
- //Parameter 3: administrator's email
- display_configuration_parameter($installType, get_lang('AdminEmail'), 'emailForm', $emailForm);
- //Parameters 4 and 5: administrator's names
- if (api_is_western_name_order()) {
- display_configuration_parameter($installType, get_lang('AdminFirstName'), 'adminFirstName', $adminFirstName);
- display_configuration_parameter($installType, get_lang('AdminLastName'), 'adminLastName', $adminLastName);
- } else {
- display_configuration_parameter($installType, get_lang('AdminLastName'), 'adminLastName', $adminLastName);
- display_configuration_parameter($installType, get_lang('AdminFirstName'), 'adminFirstName', $adminFirstName);
- }
- //Parameter 6: administrator's telephone
- display_configuration_parameter($installType, get_lang('AdminPhone'), 'adminPhoneForm', $adminPhoneForm);
- //Parameter 7: administrator's login
- display_configuration_parameter($installType, get_lang('AdminLogin'), 'loginForm', $loginForm, $installType == 'update');
- //Parameter 8: administrator's password
- if ($installType != 'update') {
- display_configuration_parameter($installType, get_lang('AdminPass'), 'passForm', $passForm, false);
- }
- //Parameter 9: campus name
- display_configuration_parameter($installType, get_lang('CampusName'), 'campusForm', $campusForm);
- //Parameter 10: institute (short) name
- display_configuration_parameter($installType, get_lang('InstituteShortName'), 'institutionForm', $institutionForm);
- //Parameter 11: institute (short) name
- display_configuration_parameter($installType, get_lang('InstituteURL'), 'institutionUrlForm', $institutionUrlForm);
- /*
- //old method
- <tr>
- <td><?php echo get_lang('EncryptUserPass'); ?> :</td>
- <?php if($installType == 'update'): ?>
- <td><input type="hidden" name="encryptPassForm" value="<?php echo $encryptPassForm; ?>" /><?php echo $encryptPassForm? get_lang('Yes') : get_lang('No'); ?></td>
- <?php else: ?>
- <td>
- <input class="checkbox" type="radio" name="encryptPassForm" value="1" id="encryptPass1" <?php echo $encryptPassForm?'checked="checked" ':''; ?>/> <label for="encryptPass1"><?php echo get_lang('Yes'); ?></label>
- <input class="checkbox" type="radio" name="encryptPassForm" value="0" id="encryptPass0" <?php echo $encryptPassForm?'':'checked="checked" '; ?>/> <label for="encryptPass0"><?php echo get_lang('No'); ?></label>
- </td>
- <?php endif; ?>
- </tr>
- */
- ?>
- <tr>
- <td><?php echo get_lang("EncryptMethodUserPass"); ?> :</td>
- <?php if ($installType == 'update'): ?>
- <td><input type="hidden" name="encryptPassForm" value="<?php echo $encryptPassForm; ?>" /><?php echo $encryptPassForm; ?></td>
- <?php else: ?>
- <td>
- <input class="checkbox" type="radio" name="encryptPassForm" value="md5" id="encryptPass0" <?php echo $encryptPassForm ? 'checked="checked" ' : ''; ?>/> <label for="encryptPass0"><?php echo 'md5'; ?></label>
- <input class="checkbox" type="radio" name="encryptPassForm" value="sha1" id="encryptPass1" <?php echo $encryptPassForm ? '' : 'checked="checked" '; ?>/> <label for="encryptPass1"><?php echo 'sha1'; ?></label>
- <input class="checkbox" type="radio" name="encryptPassForm" value="none" id="encryptPass2" <?php echo $encryptPassForm ? '' : 'checked="checked" '; ?>/> <label for="encryptPass2"><?php echo get_lang('None'); ?></label>
- </td>
- <?php endif; ?>
- </tr>
- <tr>
- <td><?php echo get_lang('AllowSelfReg'); ?> :</td>
- <?php if ($installType == 'update'): ?>
- <td><input type="hidden" name="allowSelfReg" value="<?php echo $allowSelfReg; ?>" /><?php echo $allowSelfReg ? get_lang('Yes') : get_lang('No'); ?></td>
- <?php else: ?>
- <td>
- <input class="checkbox" type="radio" name="allowSelfReg" value="1" id="allowSelfReg1" <?php echo $allowSelfReg ? 'checked="checked" ' : ''; ?>/> <label for="allowSelfReg1"><?php echo get_lang('Yes').' '.get_lang('Recommended'); ?></label>
- <input class="checkbox" type="radio" name="allowSelfReg" value="0" id="allowSelfReg0" <?php echo $allowSelfReg ? '' : 'checked="checked" '; ?>/> <label for="allowSelfReg0"><?php echo get_lang('No'); ?></label>
- </td>
- <?php endif; ?>
- </tr>
- <tr>
- <td><?php echo get_lang('AllowSelfRegProf'); ?> :</td>
- <?php if ($installType == 'update'): ?>
- <td><input type="hidden" name="allowSelfRegProf" value="<?php echo $allowSelfRegProf; ?>" /><?php echo $allowSelfRegProf? get_lang('Yes') : get_lang('No'); ?></td>
- <?php else: ?>
- <td>
- <input class="checkbox" type="radio" name="allowSelfRegProf" value="1" id="allowSelfRegProf1" <?php echo $allowSelfRegProf ? 'checked="checked" ' : ''; ?>/> <label for="allowSelfRegProf1"><?php echo get_lang('Yes'); ?></label>
- <input class="checkbox" type="radio" name="allowSelfRegProf" value="0" id="allowSelfRegProf0" <?php echo $allowSelfRegProf ? '' : 'checked="checked" '; ?>/> <label for="allowSelfRegProf0"><?php echo get_lang('No'); ?></label>
- </td>
- <?php endif; ?>
- </tr>
- <tr>
- <td><button type="submit" class="back" name="step3" value="< <?php echo get_lang('Previous'); ?>" /><?php echo get_lang('Previous'); ?></button></td>
- <td align="right"><input type="hidden" name="is_executable" id="is_executable" value="-" /><button class="next" type="submit" name="step5" value="<?php echo get_lang('Next'); ?> >" /><?php echo get_lang('Next'); ?></button></td>
- </tr>
- </table>
- <?php
- }
- /**
- * After installation is completed (step 6), this message is displayed.
- */
- function display_after_install_message($installType, $nbr_courses) {
- ?>
- <h2><?php echo display_step_sequence() . get_lang('CfgSetting'); ?></h2>
- <?php echo get_lang('FirstUseTip'); ?>
- <br /><br />
- <?php
- echo '<div class="warning-message">';
- //echo '<img src="../img/message_warning.png" style="float:left; margin-right:10px;" alt="'.get_lang('Warning').'"/>';
- echo '<strong>'.get_lang('SecurityAdvice').'</strong>';
- echo ': ';
- printf(get_lang('ToProtectYourSiteMakeXAndYReadOnly'), 'main/inc/conf/configuration.php', 'main/install/index.php');
- echo '</div>';
- ?>
- </form>
- <a class="portal" href="../../index.php"><?php echo get_lang('GoToYourNewlyCreatedPortal'); ?></a>
- <?php
- }
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