qcubed/framework

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includes/framework/QInstallationValidator.class.php

Summary

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4 days
Test Coverage
<?php
require('QString.class.php');

abstract class QInstallationValidator {
    /**
     * @return array an array of QInstallationValidationResult objects
     * If no errors were found, the array is empty.
     */
    public static function Validate() {
        $result = array();
        
        if(ini_get('safe_mode') ){
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Safe Mode is deprecated in PHP 5.3+ and is removed in PHP 6.0+." . 
                "Please disable this setting in php.ini";
            $result[] = $obj;
        }
        
        if (get_magic_quotes_gpc() || get_magic_quotes_runtime()) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "magic_quotes_gpc and magic_quotes_runtime " .
                "need to be disabled\r\n";
            $result[] = $obj;
        }
        
        $docrootOnlyPath = __DOCROOT__;
        $docrootWithSubdirPath = __DOCROOT__ . __DEVTOOLS_ASSETS__ . substr($_SERVER['PHP_SELF'], strrpos($_SERVER['PHP_SELF'], "/"));

        $commonSubsequence = QString::LongestCommonSubsequence($_SERVER['PHP_SELF'], $_SERVER['SCRIPT_FILENAME']);
        $root = substr($_SERVER['SCRIPT_FILENAME'], 0, strlen($_SERVER['SCRIPT_FILENAME']) - strlen($commonSubsequence));
        $part1 = substr($_SERVER['PHP_SELF'], 1, strpos($_SERVER['PHP_SELF'], "/", 1) - 1);
        $part2 = substr($root, strrpos($root, "/") + 1);
        $virtualDir = substr($_SERVER['PHP_SELF'], 0, 0 - strlen($commonSubsequence));


        // Debugging stuff - there until this code stabilizes across multiple platforms.
    /*
        print("DOCROOT = " . __DOCROOT__ . "<br>");
        print("SUBDIR = " . __SUBDIRECTORY__ . "<br>");
        print("DEVTOOLS = " . __DEVTOOLS_ASSETS__ . "<br>");

        print("PHP_SELF = " . $_SERVER['PHP_SELF'] . "<br>");
        print("SCRIPT_FILENAME = " . $_SERVER['SCRIPT_FILENAME'] . "<br>");

        print("commonSubsequence = " . $commonSubsequence . "<br>");
        print("root = " . $root . "<br>");
        print("rootWithSubdirPath = " . $docrootWithSubdirPath . "<br>");
        print("part1 = " . $part1 . "<br>");
        print("part2 = " . $part2 . "<br>");
        print("virtualDir = " . $virtualDir . "<br>");
    //*/

        if (!is_dir($docrootOnlyPath)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Set the __DOCROOT__ constant in ' .
                '/includes/configuration/configuration.inc.php. ' .
                'Most likely value: "' . $root . '"';
            $result[] = $obj;
        } else if (strlen(__VIRTUAL_DIRECTORY__) == 0 &&
                !file_exists(__DOCROOT__ . $_SERVER['PHP_SELF'])) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Set the __DOCROOT__ constant in ' .
                '/includes/configuration/configuration.inc.php. ' .
                'Most likely value: "' . $root . '"';
            $result[] = $obj;
        }

        if (!file_exists($docrootWithSubdirPath)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Set the __SUBDIRECTORY__ constant in ' .
                '/includes/configuration/configuration.inc.php. ' .
                'Most likely value: "/' . $part1 . '"';
            $result[] = $obj;

            // At this point, we cannot proceed with any more checks - basic config
            // is not set up. Just exit.
            return $result;
        }

        if (!file_exists(__INCLUDES__)) {
            // Did the user move the __INCLUDES__ directory out of the docroot?
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Set the __INCLUDES__ constant in ' .
                'includes/configuration/configuration.inc.php. ';
            $result[] = $obj;

            // At this point, we cannot proceed with any more checks - basic config
            // is not set up. Just exit.
            return $result;
        }

        // Check for trailing slashes
        self::checkTrailingSlash("__DOCROOT__", $result);
        self::checkTrailingSlash("__SUBDIRECTORY__", $result);
        self::checkTrailingSlash("__VIRTUAL_DIRECTORY__", $result);

        if (strcmp($commonSubsequence, $_SERVER['PHP_SELF']) != 0 && strlen(__VIRTUAL_DIRECTORY__) == 0) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Set the __VIRTUAL_DIRECTORY__ constant in ' .
                'includes/configuration/configuration.inc.php. Most likely value: "' . $virtualDir . '"';
            $result[] = $obj;
        }

        // Now that we know that the basic config is correct, we can actually
        // initialize the full QCubed framework.
        require(__CONFIGURATION__. '/prepend.inc.php');
/*
        if (!QFolder::isWritable(QPluginInstaller::PLUGIN_EXTRACTION_DIR)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Plugin temporary extraction directory (" .
                QPluginInstaller::PLUGIN_EXTRACTION_DIR . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . QPluginInstaller::PLUGIN_EXTRACTION_DIR;
            $result[] = $obj;
        }
        
        // Checks to make sure that everything about plugins is allright
        if (!QFile::isWritable(QPluginInstaller::getMasterConfigFilePath())) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Plugin master configuration file (" .
                QPluginInstaller::getMasterConfigFilePath() . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . QPluginInstaller::getMasterConfigFilePath();
            $result[] = $obj;
        }

        if (!QFile::isWritable(QPluginInstaller::getMasterExamplesFilePath())) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Plugin example configuration file (" .
                QPluginInstaller::getMasterExamplesFilePath() . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . QPluginInstaller::getMasterExamplesFilePath();
            $result[] = $obj;
        }

        if (!QFile::isWritable(QPluginInstaller::getMasterIncludeFilePath())) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Plugin includes configuration file (" .
                QPluginInstaller::getMasterIncludeFilePath() . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . QPluginInstaller::getMasterIncludeFilePath();
            $result[] = $obj;
        }
                    
        if (!QFolder::isWritable(__PLUGINS__)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Plugin includes installation directory (" .
                __PLUGINS__ . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __PLUGINS__;
            $result[] = $obj;
        }

        if (!QFolder::isWritable(__DOCROOT__ . __PLUGIN_ASSETS__)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Plugin assets installation directory (" .
                __DOCROOT__ . __PLUGIN_ASSETS__ . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __DOCROOT__ . __PLUGIN_ASSETS__;
            $result[] = $obj;
        }
        */
        if (!QFolder::isWritable(__CACHE__)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Cache directory (" . __CACHE__ . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __CACHE__;
            $result[] = $obj;
        }

        if (!file_exists(__IMAGE_CACHE__)) {
            // Did the user move the __INCLUDES__ directory out of the docroot?
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Create the "' . __IMAGE_CACHE__ . '" directory.';
            $obj->strCommandToFix = "mkdir " . __IMAGE_CACHE__;
            $result[] = $obj;
        }
        else if (!QFolder::isWritable(__IMAGE_CACHE__)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Images cache directory (" . __IMAGE_CACHE__ . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __IMAGE_CACHE__;
            $result[] = $obj;
        }

        if (!QFolder::isWritable(__FILE_CACHE__)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Cache directory (" . __FILE_CACHE__ . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __FILE_CACHE__;
            $result[] = $obj;
        }

        if (!QFolder::isWritable(__PURIFIER_CACHE__)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Cache directory (" . __PURIFIER_CACHE__ . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __PURIFIER_CACHE__;
            $result[] = $obj;
        }

        if (!file_exists(__CONFIGURATION__ . '/codegen_options.json')) {
            // Did the user move the __INCLUDES__ directory out of the docroot?
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Create the "' . __CONFIGURATION__ . '/codegen_options.json"' . ' file.';
            $obj->strCommandToFix = "touch " . __CONFIGURATION__. '/codegen_options.json';
            $result[] = $obj;
        }
        else if (!QFile::isWritable(__CONFIGURATION__ . '/codegen_options.json')) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "The file (" . __CONFIGURATION__ . '/codegen_options.json' . ") needs to be writable";
            $obj->strCommandToFix = "chmod 666 " . __CONFIGURATION__ . '/codegen_options.json';
            $result[] = $obj;
        }
        
        if (!file_exists(__PROJECT__ . '/forms')) {
            // Did the user move the __INCLUDES__ directory out of the docroot?
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Create the "' . __PROJECT__ . '/forms"' . ' directory.';
            $obj->strCommandToFix = "mkdir " . __PROJECT__. '/forms';
            $result[] = $obj;
        }
        else if (!QFolder::isWritable(__PROJECT__ . '/forms')) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Forms directory (" . __PROJECT__ . '/forms' . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __PROJECT__ . '/forms';
            $result[] = $obj;
        }
        
        if (!file_exists(__PANEL__)) {
            // Did the user move the __INCLUDES__ directory out of the docroot?
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Create the "' . __PANEL__ . '" directory.';
            $obj->strCommandToFix = "mkdir " . __PANEL__;
            $result[] = $obj;
        }
        else if (!QFolder::isWritable(__PANEL__)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Panels directory (" . __PANEL__ . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __PANEL__;
            $result[] = $obj;
        }
        
        if (!file_exists(__DIALOG__)) {
            // Did the user move the __INCLUDES__ directory out of the docroot?
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Create the "' . __DIALOG__ . '" directory.';
            $obj->strCommandToFix = "mkdir " . __DIALOG__;
            $result[] = $obj;
        }
        else if (!QFolder::isWritable(__DIALOG__)) {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = "Panels directory (" . __DIALOG__ . ") needs to be writable";
            $obj->strCommandToFix = "chmod 777 " . __DIALOG__;
            $result[] = $obj;
        }
        
        if (defined("__APP_CACHE__")) {
            if (!QFolder::isWritable(__APP_CACHE__)) {
                $obj = new QInstallationValidationResult();
                $obj->strMessage = "Cache directory (" . __APP_CACHE__ . ") needs to be writable";
                $obj->strCommandToFix = "chmod 777 " . __APP_CACHE__;
                $result[] = $obj;
            }
        }

        if (defined("__APP_IMAGE_CACHE__")) {
            if (!file_exists(__APP_IMAGE_CACHE__)) {
                // Did the user move the __INCLUDES__ directory out of the docroot?
                $obj = new QInstallationValidationResult();
                $obj->strMessage = 'Create the "' . __APP_IMAGE_CACHE__ . '" directory.';
                $obj->strCommandToFix = "mkdir " . __APP_IMAGE_CACHE__;
                $result[] = $obj;
            }
            else if (!QFolder::isWritable(__APP_IMAGE_CACHE__)) {
                $obj = new QInstallationValidationResult();
                $obj->strMessage = "Images cache directory (" . __APP_IMAGE_CACHE__ . ") needs to be writable";
                $obj->strCommandToFix = "chmod 777 " . __APP_IMAGE_CACHE__;
                $result[] = $obj;
            }
        }
        
        if (defined("__APP_UPLOAD__")) {
            if (!file_exists(__APP_UPLOAD__)) {
                // Did the user move the __INCLUDES__ directory out of the docroot?
                $obj = new QInstallationValidationResult();
                $obj->strMessage = 'Create the "' . __APP_UPLOAD__ . '" directory.';
                $obj->strCommandToFix = "mkdir " . __APP_UPLOAD__;
                $result[] = $obj;
            }
            else if (!QFolder::isWritable(__APP_UPLOAD__)) {
                $obj = new QInstallationValidationResult();
                $obj->strMessage = "Uploads directory (" . __APP_UPLOAD__ . ") needs to be writable";
                $obj->strCommandToFix = "chmod 777 " . __APP_UPLOAD__;
                $result[] = $obj;
            }
        }

        if (defined("__QCUBED_UPLOAD__")) {
            if (!file_exists(__QCUBED_UPLOAD__)) {
                // Did the user move the __INCLUDES__ directory out of the docroot?
                $obj = new QInstallationValidationResult();
                $obj->strMessage = 'Create the "' . __QCUBED_UPLOAD__ . '" directory.';
                $obj->strCommandToFix = "mkdir " . __QCUBED_UPLOAD__;
                $result[] = $obj;
            }
            else if (!QFolder::isWritable(__QCUBED_UPLOAD__)) {
                $obj = new QInstallationValidationResult();
                $obj->strMessage = "Uploads directory (" . __QCUBED_UPLOAD__ . ") needs to be writable";
                $obj->strCommandToFix = "chmod 777 " . __QCUBED_UPLOAD__;
                $result[] = $obj;
            }
        }
        
        // Database connection string checks
        for ($i = 1; $i < 1 + sizeof(QApplication::$Database); $i++) {
            if (!isset(QApplication::$Database[$i]))
                continue;
            $db = QApplication::$Database[$i];
            // database connection problems are PHP Errors, not exceptions
            // using an intermediate error handler to make them into
            // exceptions so that we can catch them locally
            set_error_handler("__database_check_error");
            try {
                $db->Connect();
            } catch (Exception $e) {
                $obj = new QInstallationValidationResult();
                $obj->strMessage = "Fix database configuration settings in " .
                    __CONFIGURATION__ . "/configuration.inc.php for adapter #"
                    . $i . ": " . $e->getMessage();
                $result[] = $obj;
            }
            restore_error_handler();
        }
        
        return $result;
    }

    public static function checkTrailingSlash($strConstantName, & $result) {
        if (QString::LastCharacter(constant($strConstantName)) == '/') {
            $obj = new QInstallationValidationResult();
            $obj->strMessage = 'Remove the trailing slash from the ' . $strConstantName . ' constant in ' .
                '/includes/configuration/configuration.inc.php. ';
            $result[] = $obj;
        }
    }

}

function __database_check_error($errno, $errstr, $errfile, $errline, $errcontext) {
    throw new Exception(strip_tags($errstr));
}

class QInstallationValidationResult {
    /**
     * A string that represents an error that has been
     * found for this installation. If no errors were found, the array
     * is empty.
     */
    public $strMessage = "";

    /**
     * A hint of the bash script that can be used to fix the issues.
     * May or may not be set, depending on whether there's an
     * automated way to fix these.
     */
    public $strCommandToFix = "";

    public function __toString() {
        return $this->strMessage;
    }
}