Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/global_error_message.inc.php

242 lines
9.6 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This script displays error messages on fatal errors during initialization.
*
* @package chamilo.include
* @author Ivan Tcholakov, 2009-2010
*/
$Organisation = '<a href="http://www.chamilo.org" target="_blank">Chamilo Homepage</a>';
$PoweredBy = 'Platform <a href="http://www.chamilo.org" target="_blank"> Chamilo </a> &copy; '.date('Y');
/**
* English language variables.
*/
// Sections.
$SectionSystemRequirementsProblem = 'System requirements problem';
$SectionInstallation = 'Installation';
$SectionDatabaseUnavailable = 'Database is unavailable';
$SectionTechnicalIssues = 'Technical issues';
$SectionProtection = 'Protection measure';
// Error code.
$ErrorCode = 'Error code';
// Error code 1.
$IncorrectPhpVersionTitle = 'Incorrect PHP version';
$IncorrectPhpVersionDescription = 'Warning: we have detected that your version of PHP is %s1. To install Chamilo, you need to have PHP %s2 or superior. If you don\'t know what we\'re talking about, please contact your hosting provider or your support team.
%s3 Read the installation guide.';
// Error code 2.
$InstallationTitle = 'Chamilo has not been installed';
$InstallationDescription = 'Click to INSTALL Chamilo %s or read the installation guide';
// Error code 3.
// Error code 4.
// Error code 5.
$DatabaseUnavailableTitle = 'Database is unavailable';
$DatabaseUnavailableDescription = 'This portal is currently experiencing database issues. Please report this to the portal administrator. Thank you for your help.';
// Error code 6.
$AlreadyInstalledTitle = 'Chamilo has already been installed';
$AlreadyInstalledDescription = 'The system has already been installed. In order its content to be protected you are not allowed to start the installation script again.';
// Unspecified error.
$TechnicalIssuesTitle = 'Technical issues';
$TechnicalIssuesDescription = 'This portal is currently experiencing technical issues. Please report this to the portal administrator. Thank you for your help.';
if (is_int($global_error_code) && $global_error_code > 0) {
if (class_exists('Template')) {
$theme = Template::getThemeFallback().'/';
} else {
$theme = 'chamilo';
}
$css_path = 'main/css/';
$css_file = $css_path.$theme.'default.css';
$bootstrap_file = $css_path.'bootstrap.css';
$css_base_file = $css_path.'base.css';
$css_base_chamilo_file = $css_path.'base_chamilo.css';
$css_list = array($bootstrap_file, $css_base_file, $css_base_chamilo_file, $css_file);
$root_sys = str_replace('\\', '/', realpath(dirname(__FILE__).'/../../')).'/';
$root_rel = htmlentities($_SERVER['PHP_SELF']);
if (!empty($root_rel)) {
$pos = strrpos($root_rel, '/');
$root_rel = substr($root_rel, 0, $pos - strlen($root_rel) + 1);
if (strpos($root_rel, '/main/') !== false) {
$pos = 0;
while (($test_pos = strpos(substr($root_rel, $pos, strlen($root_rel)), '/main/')) !== false) {
$pos = $test_pos + 1;
}
$root_rel = substr($root_rel, 0, $pos);
} elseif (strpos($root_rel, '/courses/') !== false) {
$pos = 0;
while (($test_pos = strpos(substr($root_rel, $pos, strlen($root_rel)), '/courses/')) !== false) {
$pos = $test_pos + 1;
}
$root_rel = substr($root_rel, 0, $pos);
}
}
$installation_guide_url = $root_rel.'documentation/installation_guide.html';
$css_def = '';
foreach ($css_list as $css_item) {
$css_base_chamilo_file = $root_sys.$css_item;
if (file_exists($css_base_chamilo_file)) {
$css_def .= @file_get_contents($css_base_chamilo_file);
}
}
$css_def = str_replace("@import url('bootstrap.css');", '', $css_def);
$css_def = str_replace('main/', $root_rel.'main/', $css_def);
$css_def = str_replace('images/', $root_rel.$css_path.$theme.'images/', $css_def);
$css_def = str_replace('../../img/', $root_rel.'main/img/', $css_def);
$global_error_message = array();
switch ($global_error_code) {
case 1:
$global_error_message['section'] = $SectionSystemRequirementsProblem;
$global_error_message['title'] = $IncorrectPhpVersionTitle;
$php_version = function_exists('phpversion') ? phpversion() : (defined('PHP_VERSION') ? PHP_VERSION : '');
$php_version = empty($php_version) ? '' : '(PHP '.$php_version.')';
$IncorrectPhpVersionDescription = str_replace('%s1', $php_version, $IncorrectPhpVersionDescription);
$IncorrectPhpVersionDescription = str_replace('%s2', REQUIRED_PHP_VERSION, $IncorrectPhpVersionDescription);
$pos = strpos($IncorrectPhpVersionDescription, '%s3');
if ($pos !== false) {
$length = strlen($IncorrectPhpVersionDescription);
$read_installation_guide = substr($IncorrectPhpVersionDescription, $pos + 3, $length);
$IncorrectPhpVersionDescription = substr($IncorrectPhpVersionDescription, 0, $pos);
$IncorrectPhpVersionDescription .= '<br /><a class="btn" href="'.$installation_guide_url.'" target="_blank">'.$read_installation_guide.'</a>';
}
$global_error_message['description'] = $IncorrectPhpVersionDescription;
break;
case 2:
$global_error_message['section'] = $SectionInstallation;
$global_error_message['title'] = $InstallationTitle;
if (($pos = strpos($InstallationDescription, '%s')) === false) {
$InstallationDescription = 'Click to INSTALL Chamilo %s or read the installation guide';
}
$read_installation_guide = substr($InstallationDescription, $pos + 2);
$InstallationDescription = '<form action="'.$root_rel.'main/install/index.php" method="get">
<div class="install-mascot">
<p class="download-info">
<button class="btn btn-primary btn-large" type="submit" value="INSTALL Chamilo" >INSTALL Chamilo</button>
<a class="btn btn-large" href="'.$installation_guide_url.'" target="_blank">'.$read_installation_guide.'</a>
</p>
</div>
</form>';
$global_error_message['description'] = $InstallationDescription;
break;
case 3:
case 4:
case 5:
$global_error_message['section'] = $SectionDatabaseUnavailable;
$global_error_message['title'] = $DatabaseUnavailableTitle;
$global_error_message['description'] = $DatabaseUnavailableDescription;
break;
case 6:
$global_error_message['section'] = $SectionProtection;
$global_error_message['title'] = $AlreadyInstalledTitle;
$global_error_message['description'] = $AlreadyInstalledDescription;
break;
default:
$global_error_message['section'] = $SectionTechnicalIssues;
$global_error_message['title'] = $TechnicalIssuesTitle;
$global_error_message['description'] = $TechnicalIssuesDescription;
break;
}
$show_error_codes = defined('SHOW_ERROR_CODES') && SHOW_ERROR_CODES && $global_error_code != 2;
$global_error_message['code'] = $show_error_codes ? $ErrorCode.': '.$global_error_code.'<br /><br />' : '';
$global_error_message['details'] = empty($global_error_message['details']) ? '' : ($show_error_codes ? ': '.$global_error_message['details'] : $global_error_message['details']);
$global_error_message['organisation'] = $Organisation;
$global_error_message['powered_by'] = $PoweredBy;
$global_error_message['encoding'] = 'UTF-8';
$global_error_message['css'] = $css_def;
$global_error_message['chamilo_logo'] = $root_rel.$css_path.$theme.'/images/header-logo.png';
// {ORGANISATION} moved from the header
$global_error_message_page =
<<<EOM
<!DOCTYPE html>
<html>
<head>
<title>{TITLE}</title>
<meta charset="{ENCODING}" />
<style type="text/css" media="screen, projection">
/*<![CDATA[*/
{CSS}
/*]]>*/
</style>
</head>
<body>
<div id="wrapper">
<div id="main" class="container">
<header>
<div class="row">
<div id="header_left" class="span4">
<div id="logo">
<img vspace="10" hspace="10" alt="Chamilo" src="{CHAMILO_LOGO}">
</div>
</div>
</div>
<div class="navbar subnav">
<div class="navbar-inner">
<div class="container">
<div class="nav-collapse">
<ul class="nav nav-pills">
<li id="current" class="active">
<a target="_top" href="index.php">Homepage</a>
</li>
</ul>
</div>
</div>
</div>
</div>
<ul class="breadcrumb">
<li><a href="#">{SECTION}</a></li>
</ul>
</header>
<br />
<section>
<div style="text-align:center">
{DESCRIPTION}
{CODE}
</div>
</section>
</div>
<div class="push"/></div>
</div>
<footer>
<div class="container">
<div class="row">
<div style="text-align: center;">
&nbsp;<br />{POWERED_BY}
</div>
</div>
</div>
</footer>
</body>
</html>
EOM;
foreach ($global_error_message as $key => $value) {
$global_error_message_page = str_replace('{'.strtoupper($key).'}', $value, $global_error_message_page);
}
header('Content-Type: text/html; charset='.$global_error_message['encoding']);
die($global_error_message_page);
}