387 lines
14 KiB
PHP
387 lines
14 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Gdata
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* @subpackage Demos
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/**
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* Simple class to verify that the server that this is run on has a correct
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* installation of the Zend Framework Gdata component.
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*/
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class InstallationChecker {
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const CSS_WARNING = '.warning { color: #fff; background-color: #AF0007;}';
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const CSS_SUCCESS = '.success { color: #000; background-color: #69FF4F;}';
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const CSS_ERROR = '.error { color: #fff; background-color: #FF9FA3;}';
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const PHP_EXTENSION_ERRORS = 'PHP Extension Errors';
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const PHP_MANUAL_LINK_FRAGMENT = 'http://us.php.net/manual/en/book.';
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const PHP_REQUIREMENT_CHECKER_ID = 'PHP Requirement checker v0.1';
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const SSL_CAPABILITIES_ERRORS = 'SSL Capabilities Errors';
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const YOUTUBE_API_CONNECTIVITY_ERRORS = 'YouTube API Connectivity Errors';
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const ZEND_GDATA_INSTALL_ERRORS = 'Zend Framework Installation Errors';
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const ZEND_SUBVERSION_URI = 'http://framework.zend.com/download/subversion';
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private static $REQUIRED_EXTENSIONS = array(
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'ctype', 'dom', 'libxml', 'spl', 'standard', 'openssl');
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private $_allErrors = array(
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self::PHP_EXTENSION_ERRORS => array(
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'tested' => false, 'errors' => null),
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self::ZEND_GDATA_INSTALL_ERRORS => array(
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'tested' => false, 'errors' => null),
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self::SSL_CAPABILITIES_ERRORS => array(
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'tested' => false, 'errors' => null),
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self::YOUTUBE_API_CONNECTIVITY_ERRORS => array(
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'tested' => false, 'errors' => null)
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);
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private $_sapiModeCLI = null;
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/**
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* Create a new InstallationChecker object and run verifications.
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* @return void
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*/
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public function __construct()
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{
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$this->determineIfInCLIMode();
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$this->runAllVerifications();
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$this->outputResults();
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}
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/**
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* Set the sapiModeCLI variable to true if we are running CLI mode.
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*
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* @return void
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*/
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private function determineIfInCLIMode()
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{
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if (php_sapi_name() == 'cli') {
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$this->_sapiModeCLI = true;
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}
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}
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/**
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* Getter for sapiModeCLI variable.
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*
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* @return boolean True if we are running in CLI mode.
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*/
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public function runningInCLIMode()
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{
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if ($this->_sapiModeCLI) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* Run verifications, stopping at each step if there is a failure.
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*
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* @return void
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*/
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public function runAllVerifications()
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{
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if (!$this->validatePHPExtensions()) {
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return;
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}
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if (!$this->validateZendFrameworkInstallation()) {
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return;
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}
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if (!$this->testSSLCapabilities()) {
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return;
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}
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if (!$this->validateYouTubeAPIConnectivity()) {
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return;
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}
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}
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/**
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* Validate that the required PHP Extensions are installed and available.
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*
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* @return boolean False if there were errors.
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*/
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private function validatePHPExtensions()
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{
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$phpExtensionErrors = array();
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foreach (self::$REQUIRED_EXTENSIONS as $requiredExtension) {
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if (!extension_loaded($requiredExtension)) {
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$requiredExtensionError = $requiredExtension .
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' extension missing';
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$documentationLink = null;
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if ($requiredExtension != 'standard') {
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$documentationLink = self::PHP_MANUAL_LINK_FRAGMENT .
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$requiredExtension . '.php';
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$documentationLink =
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$this->checkAndAddHTMLLink($documentationLink);
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} else {
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$documentationLink = self::PHP_MANUAL_LINK_FRAGMENT .
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'spl.php';
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$documentationLink =
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$this->checkAndAddHTMLLink($documentationLink);
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}
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if ($documentationLink) {
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$phpExtensionErrors[] = $requiredExtensionError .
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' - refer to ' . $documentationLink;
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}
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}
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}
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$this->_allErrors[self::PHP_EXTENSION_ERRORS]['tested'] = true;
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if (count($phpExtensionErrors) > 0) {
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$this->_allErrors[self::PHP_EXTENSION_ERRORS]['errors'] =
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$phpExtensionErrors;
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return false;
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}
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return true;
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}
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/**
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* Validate that the Gdata component of Zend Framework is installed
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* properly. Also checks that the required YouTube API helper methods are
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* found.
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*
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* @return boolean False if there were errors.
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*/
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private function validateZendFrameworkInstallation()
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{
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$zendFrameworkInstallationErrors = array();
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$zendLoaderPresent = false;
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try {
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$zendLoaderPresent = @fopen('Zend/Loader.php', 'r', true);
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} catch (Exception $e) {
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$zendFrameworkInstallationErrors[] = 'Exception thrown trying to ' .
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'access Zend/Loader.php using \'use_include_path\' = true ' .
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'Make sure you include the Zend Framework in your ' .
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'include_path which currently contains: "' .
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ini_get('include_path') . '"';
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}
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if ($zendLoaderPresent) {
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@fclose($zendLoaderPresent);
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require_once('Zend/Loader.php');
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require_once('Zend/Version.php');
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Zend_Loader::loadClass('Zend_Gdata_YouTube');
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Zend_Loader::loadClass('Zend_Gdata_YouTube_VideoEntry');
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$yt = new Zend_Gdata_YouTube();
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$videoEntry = $yt->newVideoEntry();
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if (!method_exists($videoEntry, 'setVideoTitle')) {
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$zendFrameworkMessage = 'Your version of the ' .
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'Zend Framework ' . Zend_Version::VERSION . ' is too old' .
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' to run the YouTube demo application and does not' .
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' contain the new helper methods. Please check out a' .
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' newer version from Zend\'s repository: ' .
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checkAndAddHTMLLink(self::ZEND_SUBVERSION_URI);
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$zendFrameworkInstallationErrors[] = $zendFrameworkMessage;
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}
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} else {
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if (count($zendFrameworkInstallationErrors) < 1) {
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$zendFrameworkInstallationErrors[] = 'Exception thrown trying' .
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' to access Zend/Loader.php using \'use_include_path\' =' .
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' true. Make sure you include Zend Framework in your' .
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' include_path which currently contains: ' .
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ini_get('include_path');
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}
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}
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$this->_allErrors[self::ZEND_GDATA_INSTALL_ERRORS]['tested'] = true;
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if (count($zendFrameworkInstallationErrors) > 0) {
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$this->_allErrors[self::ZEND_GDATA_INSTALL_ERRORS]['errors'] =
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$zendFrameworkInstallationErrors;
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return false;
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}
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return true;
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}
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/**
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* Create HTML link from an input string if not in CLI mode.
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*
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* @param string The error message to be converted to a link.
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* @return string Either the original error message or an HTML version.
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*/
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private function checkAndAddHTMLLink($inputString) {
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if (!$this->runningInCLIMode()) {
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return $this->makeHTMLLink($inputString);
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} else {
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return $inputString;
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}
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}
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/**
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* Create an HTML link from a string.
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*
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* @param string The string to be made into link text and anchor target.
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* @return string HTML link.
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*/
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private function makeHTMLLink($inputString)
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{
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return '<a href="'. $inputString . '" target="_blank">' .
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$inputString . '</a>';
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}
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/**
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* Validate that SSL Capabilities are available.
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*
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* @return boolean False if there were errors.
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*/
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private function testSSLCapabilities()
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{
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$sslCapabilitiesErrors = array();
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require_once 'Zend/Loader.php';
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Zend_Loader::loadClass('Zend_Http_Client');
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$httpClient = new Zend_Http_Client(
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'https://www.google.com/accounts/AuthSubRequest');
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$response = $httpClient->request();
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$this->_allErrors[self::SSL_CAPABILITIES_ERRORS]['tested'] = true;
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if ($response->isError()) {
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$sslCapabilitiesErrors[] = 'Response from trying to access' .
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' \'https://www.google.com/accounts/AuthSubRequest\' ' .
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$response->getStatus() . ' - ' . $response->getMessage();
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}
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if (count($sslCapabilitiesErrors) > 0) {
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$this->_allErrors[self::SSL_CAPABILITIES_ERRORS]['errors'] =
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$sslCapabilitiesErrors;
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return false;
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}
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return true;
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}
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/**
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* Validate that we can connect to the YouTube API.
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*
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* @return boolean False if there were errors.
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*/
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private function validateYouTubeAPIConnectivity()
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{
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$connectivityErrors = array();
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require_once 'Zend/Loader.php';
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Zend_Loader::loadClass('Zend_Gdata_YouTube');
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$yt = new Zend_Gdata_YouTube();
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$topRatedFeed = $yt->getTopRatedVideoFeed();
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if ($topRatedFeed instanceof Zend_Gdata_YouTube_VideoFeed) {
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if ($topRatedFeed->getTotalResults()->getText() < 1) {
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$connectivityErrors[] = 'There was less than 1 video entry' .
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' in the \'Top Rated Video Feed\'';
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}
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} else {
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$connectivityErrors[] = 'The call to \'getTopRatedVideoFeed()\' ' .
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'did not result in a Zend_Gdata_YouTube_VideoFeed object';
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}
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$this->_allErrors[self::YOUTUBE_API_CONNECTIVITY_ERRORS]['tested'] =
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true;
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if (count($connectivityErrors) > 0) {
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$this->_allErrors[self::YOUTUBE_API_CONNECTIVITY_ERRORS]['tested'] =
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$connectivityErrors;
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return false;
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}
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return true;
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}
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/**
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* Dispatch a call to outputResultsInHTML or outputResultsInText pending
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* the current SAPI mode.
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*
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* @return void
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*/
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public function outputResults()
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{
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if ($this->_sapiModeCLI) {
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print $this->getResultsInText();
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} else {
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print $this->getResultsInHTML();
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}
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}
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/**
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* Return a string representing the results of the verifications.
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*
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* @return string A string representing the results.
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*/
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private function getResultsInText()
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{
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$output = "== Ran PHP Installation Checker using CLI ==\n";
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$error_count = 0;
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foreach($this->_allErrors as $key => $value) {
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$output .= $key . ' -- ';
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if (($value['tested'] == true) && (count($value['errors']) == 0)) {
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$output .= "No errors found\n";
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} elseif ($value['tested'] == true) {
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$output .= "Tested\n";
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$error_count = 0;
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foreach ($value['errors'] as $error) {
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$output .= "Error number: " . $error_count . "\n--" .
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$error . "\n";
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}
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} else {
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$output .= "Not tested\n";
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}
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$error_count++;
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}
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return $output;
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}
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/**
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* Return an HTML table representing the results of the verifications.
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*
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* @return string An HTML string representing the results.
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*/
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private function getResultsInHTML()
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{
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$html = "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" " .
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"\"http://www.w3.org/TR/html4/strict.dtd\">\n".
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"<html><head>\n<title>PHP Installation Checker</title>\n" .
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"<style type=\"text/css\">\n" .
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self::CSS_WARNING . "\n" .
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self::CSS_SUCCESS . "\n" .
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self::CSS_ERROR . "\n" .
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"</style></head>\n" .
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"<body>\n<table class=\"verification_table\">" .
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"<caption>Ran PHP Installation Checker on " .
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gmdate('c') . "</caption>\n";
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$error_count = 0;
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foreach($this->_allErrors as $key => $value) {
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$html .= "<tr><td class=\"verification_type\">" . $key . "</td>";
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if (($value['tested'] == true) && (count($value['errors']) == 0)) {
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$html .= "<td class=\"success\">Tested</td></tr>\n" .
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"<tr><td colspan=\"2\">No errors found</td></tr>\n";
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} elseif ($value['tested'] == true) {
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$html .= "<td class=\"warning\">Tested</td></tr>\n";
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$error_count = 0;
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foreach ($value['errors'] as $error) {
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$html .= "<tr><td class=\"error\">" . $error_count . "</td>" .
|
||
|
|
"<td class=\"error\">" . $error . "</td></tr>\n";
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$html .= "<td class=\"warning\">Not tested</td></tr>\n";
|
||
|
|
}
|
||
|
|
$error_count++;
|
||
|
|
}
|
||
|
|
$html .= "</body></html>";
|
||
|
|
return $html;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$installationChecker = new InstallationChecker();
|