\n"; try { @ob_flush(); // Seems like it should be better to do the following but is problematic on PHP5.3 at least: while ( ob_get_level() > 0 ) ob_end_flush(); } catch( Exception $ignored ) {} echo "Error [".$errno."] ".$errstr."\n"; echo "At line ", $errline, " of ", $errfile, "\n"; $e = new Exception(); $trace = array_reverse($e->getTrace()); echo "================= Stack Trace ===================\n"; foreach( $trace AS $k => $v ) { printf( "%s[%d] %s%s%s()\n", $v['file'], $v['line'], (isset($v['class'])?$v['class']:''), (isset($v['type'])?$v['type']:''), (isset($v['function'])?$v['function']:'') ); } } set_error_handler('catch_setup_errors', E_ALL); class CheckResult { private $ok; private $use_class; private $description; function __construct( $success, $description=null, $use_class=null ) { $this->ok = (boolean) $success; $this->description = (isset($description)?$description : ($success===true? i18n('Passed') : i18n('Fail'))); $this->use_class = (isset($use_class)?$use_class:($success===true?'dep_ok' : 'dep_fail')); } public function getClass() { return $this->use_class; } public function setClass( $new_class ) { $this->use_class = $new_class; } public function getOK() { return $this->ok; } public function getDescription() { return translate($this->description); } public function setDescription( $new_desc ) { $this->description = $new_desc; } } /** * We put many of these checks before we even try to load always.php so that we * can try and do some diagnostic work to ensure it will load OK. */ function check_pgsql() { return new CheckResult(function_exists('pg_connect')); } function check_pdo() { return new CheckResult(class_exists('PDO')); } function check_pdo_pgsql() { global $loaded_extensions; if ( !check_pdo() ) return new CheckResult(false); return new CheckResult(isset($loaded_extensions['pdo_pgsql'])); } function check_database_connection() { global $c; if ( !check_pdo_pgsql() ) return new CheckResult(false); return new CheckResult( !( empty($c->schema_major) || $c->schema_major == 0 || empty($c->schema_minor) || $c->schema_minor == 0) ); } function check_gettext() { global $phpinfo, $loaded_extensions; if ( !function_exists('gettext') ) return new CheckResult(false); return new CheckResult(isset($loaded_extensions['gettext'])); } function check_iconv() { global $phpinfo, $loaded_extensions; if ( !function_exists('iconv') ) return new CheckResult(false); return new CheckResult(isset($loaded_extensions['iconv'])); } function check_ldap() { global $phpinfo, $loaded_extensions; if (!function_exists('ldap_connect')) return new CheckResult(false); return new CheckResult(isset($loaded_extensions['ldap'])); } function check_real_php() { global $phpinfo, $loaded_extensions; // Looking for "Server API Apache 2.0 Filter" in the phpinfo if ( preg_match('{Server API.*Apache 2\.. Filter}', $phpinfo) ) return new CheckResult(false); return new CheckResult(true); } function check_calendar() { global $phpinfo, $loaded_extensions; if (!function_exists('cal_days_in_month')) return new CheckResult(false); return new CheckResult(isset($loaded_extensions['calendar'])); } function check_suhosin_server_strip() { global $loaded_extensions; if ( !isset($loaded_extensions['suhosin']) ) return new CheckResult(true); return new CheckResult( ini_get('suhosin.server.strip') == "0" || strtolower(ini_get('suhosin.server.strip')) == "off" || ini_get('suhosin.server.strip') == "" ); } function check_magic_quotes_gpc() { return new CheckResult( (get_magic_quotes_gpc() == 0) ); } function check_magic_quotes_runtime() { return new CheckResult( (get_magic_quotes_runtime() == 0) ); } function check_curl() { global $phpinfo, $loaded_extensions; if (!function_exists('curl_init')) return new CheckResult(false); return new CheckResult(isset($loaded_extensions['curl'])); } $loaded_extensions = array_flip(get_loaded_extensions()); function do_error( $errormessage ) { // We can't translate this because we're testing these things even before // the translation interface is available... printf("

%s

", $errormessage ); } if ( !check_gettext()->getOK() ) do_error("The GNU 'gettext' extension for PHP is not available."); if ( !check_pgsql()->getOK() ) do_error("PHP 'pgsql' functions are not available"); if ( !check_pdo()->getOK() ) do_error("PHP 'PDO' module is not available"); if ( !check_pdo_pgsql()->getOK() ) do_error("The PDO drivers for PostgreSQL are not available"); if ( !check_database_connection()->getOK() ) do_error("Unable to connect to database"); if ( !check_iconv()->getOK() ) do_error("The 'iconv' extension for PHP is not available"); function get_phpinfo() { ob_start( ); phpinfo(); $phpinfo = ob_get_contents( ); ob_end_clean( ); $phpinfo = preg_replace( '{^.*?}s', '', $phpinfo); $phpinfo = preg_replace( '{.*?$}s', '', $phpinfo); return $phpinfo; } $phpinfo = get_phpinfo(); try { include("./always.php"); set_error_handler('log_setup_error', E_ALL); include("DAViCalSession.php"); if ( check_pgsql()->GetOK() ) { $session->LoginRequired( (isset($c->restrict_setup_to_admin) && $c->restrict_setup_to_admin ? 'Admin' : null ) ); } } catch( Exception $e ) { class FakeSession { function AllowedTo() { return true; } } $session = new FakeSession(1); } include("interactive-page.php"); include("page-header.php"); require_once("AwlQuery.php"); function check_datetime() { if ( class_exists('DateTime') ) return new CheckResult(true); $result = new CheckResult(false); $result->setClass('dep_warning'); $result->setDescription(i18n('Most of DAViCal will work but upgrading to PHP 5.2 or later is strongly recommended.')); return $result; } function check_schema_version() { global $c; if ( $c->want_dbversion[0] == $c->schema_major && $c->want_dbversion[1] == $c->schema_minor && $c->want_dbversion[2] == $c->schema_patch ) { return new CheckResult( true ); } $result = new CheckResult(false); if ( $c->want_dbversion[0] < $c->schema_major || ($c->want_dbversion[0] == $c->schema_major && $c->want_dbversion[1] < $c->schema_minor) || ($c->want_dbversion[0] == $c->schema_major && $c->want_dbversion[1] == $c->schema_minor && $c->want_dbversion[2] < $c->schema_patch) ) { $result->setClass('dep_warning'); } $result->setDescription( sprintf(i18n('Want: %s, Currently: %s'), implode('.',$c->want_dbversion), $c->schema_major.'.'.$c->schema_minor.'.'.$c->schema_patch)); return $result; } function check_davical_version() { global $c; $url = 'http://www.davical.org/current_davical_version?v='.$c->version_string; $version_file = @fopen($url, 'r'); if ( ! $version_file ) return new CheckResult( false, translate("Could not retrieve") . " '$url'", 'dep_warning' ); $current_version = htmlentities( trim(fread( $version_file,12)) ); fclose($version_file); $result = new CheckResult($c->version_string == $current_version); if ( ! $result->getOK() ) { if ( $c->version_string > $current_version ) { $result->setClass('dep_ok'); $result->setDescription( sprintf(i18n('Stable: %s, We have: %s !'), $current_version, $c->version_string) ); } else { $result->setDescription( sprintf(i18n('Want: %s, Currently: %s'), $current_version, $c->version_string) ); } } return $result; } function check_awl_version() { global $c; if ( !function_exists('awl_version') ) return new CheckResult(false); $result = new CheckResult($c->want_awl_version == awl_version()); if ( ! $result->getOK() ) { $result->setDescription( sprintf(i18n('Want: %s, Currently: %s'), $c->want_awl_version, awl_version()) ); if ( $c->want_awl_version < awl_version() ) $result->setClass('dep_warning'); } return $result; } function build_site_statistics() { $principals = translate('No. of Principals'); $collections = translate('No. of Collections'); $resources = translate('No. of Resources'); $table = << $principals$collections$resources %s EOTABLE; if ( !check_database_connection() ) { return sprintf( $table, ''.translate('Site Statistics require the database to be available!').''); } $sql = 'SELECT (SELECT count(1) FROM principal) AS principals, (SELECT count(1) FROM collection) AS collections, (SELECT count(1) FROM caldav_data) AS resources'; $qry = new AwlQuery($sql); if ( $qry->Exec('setup',__LINE__,__FILE__) && $s = $qry->Fetch() ) { $row = sprintf('%s%s%s', $s->principals, $s->collections, $s->resources ); return sprintf( $table, $row ); } return sprintf( $table, ''.translate('Site Statistics require the database to be available!').''); } function build_dependencies_table( ) { global $c; $dependencies = array( translate('Current DAViCal version ') => 'check_davical_version', translate('AWL Library version ') => 'check_awl_version', translate('PHP not using Apache Filter mode') => 'check_real_php', translate('PHP PDO module available') => 'check_pdo', translate('PDO PostgreSQL drivers') => 'check_pdo_pgsql', translate('Database is Connected') => 'check_database_connection', translate('DAViCal DB Schema version ') => 'check_schema_version', translate('GNU gettext support') => 'check_gettext', translate('PHP iconv support') => 'check_iconv', translate('PHP DateTime class') => 'check_datetime', translate('Suhosin "server.strip" disabled') => 'check_suhosin_server_strip', translate('PHP Magic Quotes GPC off') => 'check_magic_quotes_gpc', translate('PHP Magic Quotes runtime off') => 'check_magic_quotes_runtime', translate('PHP calendar extension available') => 'check_calendar', translate('PHP curl support') => 'check_curl' ); if ( isset($c->authenticate_hook) && isset($c->authenticate_hook['call']) && $c->authenticate_hook['call'] == 'LDAP_check') { $dependencies[translate('PHP LDAP module available')] = 'check_ldap'; } $translated_failure_code = translate('Explanation on DAViCal Wiki'); $dependencies_table = ''; $dep_tpl = ' %s %s '.$translated_failure_code.' '; foreach( $dependencies AS $k => $v ) { $check_result = $v(); $dependencies_table .= sprintf( $dep_tpl, $check_result->getClass(), $k, $check_result->getDescription(), rawurlencode($k) ); } return $dependencies_table; } $heading_setup = translate('Setup'); $paragraph_setup = translate('This page primarily checks the environment needed for DAViCal to work correctly. Suggestions or patches to make it do more useful stuff will be gratefully received.'); /* $want_dbversion = implode('.',$c->want_dbversion); $heading_versions = translate('Current Versions'); if ( check_schema_version() != true ) { $paragraph_versions = translate('You are currently running DAViCal version %s. The database schema should be at version %s and it is at version %d.%d.%d.'); $paragraph_versions = sprintf( $paragraph_versions, $c->version_string, $want_dbversion, $c->schema_major, $c->schema_minor, $c->schema_patch); } else { $paragraph_versions = translate('You are currently running DAViCal version %s. The database schema is at version %d.%d.%d.'); $paragraph_versions = sprintf( $paragraph_versions, $c->version_string, $c->schema_major, $c->schema_minor, $c->schema_patch); } */ $heading_dependencies = translate('Dependencies'); $th_dependency = translate('Dependency'); $th_status = translate('Status'); $dependencies_table = build_dependencies_table(); $heading_site_statistics = translate('Site Statistics'); if ( check_database_connection()->GetOK() ) { try { $site_statistics_table = build_site_statistics(); } catch( Exception $e ) { $site_statistics_table = translate('Statistics unavailable'); } } else { $site_statistics_table = translate('Statistics unavailable'); } $heading_php_info = translate('PHP Information'); // Translations shared with index.php $heading_clients = translate('Configuring Calendar Clients for DAViCal'); $content_cli1 = translate('The client setup page on the DAViCal website has information on how to configure Evolution, Sunbird, Lightning and Mulberry to use remotely hosted calendars.'); $content_cli2 = translate('The administrative interface has no facility for viewing or modifying calendar data.'); // Translations shared with index.php $heading_configure = translate('Configuring DAViCal'); $content_config1 = translate('If you can read this then things must be mostly working already.'); $content_config2 = ( $config_warnings == '' ? '' : '

' . translate('Your configuration produced PHP errors which should be corrected') . '

'
             . $config_warnings.'
' ); $content_config3 = translate('The DAViCal installation page on the DAViCal website has some further information on how to install and configure this application.'); echo << tr.dep_ok { background-color:#80ff80; } tr.dep_fail { background-color:#ff8080; } tr.dep_warning { background-color:#ffb040; } table, table.dependencies { border: 1px grey solid; border-collapse: collapse; padding: 0.1em; margin: 0 1em 1.5em; } table tr td, table tr th, table.dependencies tr td, table.dependencies tr th { border: 1px grey solid; padding: 0.1em 0.2em; } p { padding: 0.3em 0.2em 0.7em; }

$heading_setup

$paragraph_setup

$heading_dependencies

$dependencies_table
$th_dependency $th_status

$heading_configure

$content_config1

$content_config2

$content_config3

$heading_clients

$content_cli1

$content_cli2

$heading_site_statistics

$site_statistics_table

$heading_php_info

EOBODY; include("page-footer.php");