added toolbar; functionality includes refresh button to get back to original page, print article, email a link to the article with a personal note

git-svn-id: http://arc90labs-readability.googlecode.com/svn/trunk@31 d4e419ec-0920-11de-bbfd-a7c1bc4c261e

1 files changed, 247 insertions, 0 deletions

diff --git a/lib/Zend/Validate/EmailAddress.php b/lib/Zend/Validate/EmailAddress.php
new file mode 100644
index 0000000..82ed91b
--- /dev/null
+++ b/lib/Zend/Validate/EmailAddress.php
@@ -0,0 +1,247 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ * @version    $Id: EmailAddress.php 13253 2008-12-14 20:28:06Z thomas $
+ */
+
+/**
+ * @see Zend_Validate_Abstract
+ */
+require_once 'Zend/Validate/Abstract.php';
+
+/**
+ * @see Zend_Validate_Hostname
+ */
+require_once 'Zend/Validate/Hostname.php';
+
+/**
+ * @category   Zend
+ * @package    Zend_Validate
+ * @copyright  Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_Validate_EmailAddress extends Zend_Validate_Abstract
+{
+    const INVALID            = 'emailAddressInvalid';
+    const INVALID_HOSTNAME   = 'emailAddressInvalidHostname';
+    const INVALID_MX_RECORD  = 'emailAddressInvalidMxRecord';
+    const DOT_ATOM           = 'emailAddressDotAtom';
+    const QUOTED_STRING      = 'emailAddressQuotedString';
+    const INVALID_LOCAL_PART = 'emailAddressInvalidLocalPart';
+    const LENGTH_EXCEEDED    = 'emailAddressLengthExceeded';
+
+    /**
+     * @var array
+     */
+    protected $_messageTemplates = array(
+        self::INVALID            => "'%value%' is not a valid email address in the basic format local-part@hostname",
+        self::INVALID_HOSTNAME   => "'%hostname%' is not a valid hostname for email address '%value%'",
+        self::INVALID_MX_RECORD  => "'%hostname%' does not appear to have a valid MX record for the email address '%value%'",
+        self::DOT_ATOM           => "'%localPart%' not matched against dot-atom format",
+        self::QUOTED_STRING      => "'%localPart%' not matched against quoted-string format",
+        self::INVALID_LOCAL_PART => "'%localPart%' is not a valid local part for email address '%value%'",
+        self::LENGTH_EXCEEDED    => "'%value%' exceeds the allowed length"
+    );
+
+    /**
+     * @var array
+     */
+    protected $_messageVariables = array(
+        'hostname'  => '_hostname',
+        'localPart' => '_localPart'
+    );
+
+    /**
+     * Local object for validating the hostname part of an email address
+     *
+     * @var Zend_Validate_Hostname
+     */
+    public $hostnameValidator;
+
+    /**
+     * Whether we check for a valid MX record via DNS
+     *
+     * @var boolean
+     */
+    protected $_validateMx = false;
+
+    /**
+     * @var string
+     */
+    protected $_hostname;
+
+    /**
+     * @var string
+     */
+    protected $_localPart;
+
+    /**
+     * Instantiates hostname validator for local use
+     *
+     * You can pass a bitfield to determine what types of hostnames are allowed.
+     * These bitfields are defined by the ALLOW_* constants in Zend_Validate_Hostname
+     * The default is to allow DNS hostnames only
+     *
+     * @param integer                $allow             OPTIONAL
+     * @param bool                   $validateMx        OPTIONAL
+     * @param Zend_Validate_Hostname $hostnameValidator OPTIONAL
+     * @return void
+     */
+    public function __construct($allow = Zend_Validate_Hostname::ALLOW_DNS, $validateMx = false, Zend_Validate_Hostname $hostnameValidator = null)
+    {
+        $this->setValidateMx($validateMx);
+        $this->setHostnameValidator($hostnameValidator, $allow);
+    }
+
+    /**
+     * @param Zend_Validate_Hostname $hostnameValidator OPTIONAL
+     * @param int                    $allow             OPTIONAL
+     * @return void
+     */
+    public function setHostnameValidator(Zend_Validate_Hostname $hostnameValidator = null, $allow = Zend_Validate_Hostname::ALLOW_DNS)
+    {
+        if ($hostnameValidator === null) {
+            $hostnameValidator = new Zend_Validate_Hostname($allow);
+        }
+        $this->hostnameValidator = $hostnameValidator;
+    }
+
+    /**
+     * Whether MX checking via dns_get_mx is supported or not
+     *
+     * This currently only works on UNIX systems
+     *
+     * @return boolean
+     */
+    public function validateMxSupported()
+    {
+        return function_exists('dns_get_mx');
+    }
+
+    /**
+     * Set whether we check for a valid MX record via DNS
+     *
+     * This only applies when DNS hostnames are validated
+     *
+     * @param boolean $allowed Set allowed to true to validate for MX records, and false to not validate them
+     */
+    public function setValidateMx($allowed)
+    {
+        $this->_validateMx = (bool) $allowed;
+    }
+
+    /**
+     * Defined by Zend_Validate_Interface
+     *
+     * Returns true if and only if $value is a valid email address
+     * according to RFC2822
+     *
+     * @link   http://www.ietf.org/rfc/rfc2822.txt RFC2822
+     * @link   http://www.columbia.edu/kermit/ascii.html US-ASCII characters
+     * @param  string $value
+     * @return boolean
+     */
+    public function isValid($value)
+    {
+        $valueString = (string) $value;
+        $matches     = array();
+        $length      = true;
+
+        $this->_setValue($valueString);
+
+        // Split email address up and disallow '..'
+        if ((strpos($valueString, '..') !== false) or
+            (!preg_match('/^(.+)@([^@]+)$/', $valueString, $matches))) {
+            $this->_error(self::INVALID);
+            return false;
+        }
+
+        $this->_localPart = $matches[1];
+        $this->_hostname  = $matches[2];
+
+        if ((strlen($this->_localPart) > 64) || (strlen($this->_hostname) > 255)) {
+            $length = false;
+            $this->_error(self::LENGTH_EXCEEDED);
+        }
+
+        // Match hostname part
+        $hostnameResult = $this->hostnameValidator->setTranslator($this->getTranslator())
+                               ->isValid($this->_hostname);
+        if (!$hostnameResult) {
+            $this->_error(self::INVALID_HOSTNAME);
+
+            // Get messages and errors from hostnameValidator
+            foreach ($this->hostnameValidator->getMessages() as $code => $message) {
+                $this->_messages[$code] = $message;
+            }
+            foreach ($this->hostnameValidator->getErrors() as $error) {
+                $this->_errors[] = $error;
+            }
+        } else if ($this->_validateMx) {
+            // MX check on hostname via dns_get_record()
+            if ($this->validateMxSupported()) {
+                $result = dns_get_mx($this->_hostname, $mxHosts);
+                if (count($mxHosts) < 1) {
+                    $hostnameResult = false;
+                    $this->_error(self::INVALID_MX_RECORD);
+                }
+            } else {
+                /**
+                 * MX checks are not supported by this system
+                 * @see Zend_Validate_Exception
+                 */
+                require_once 'Zend/Validate/Exception.php';
+                throw new Zend_Validate_Exception('Internal error: MX checking not available on this system');
+            }
+        }
+
+        // First try to match the local part on the common dot-atom format
+        $localResult = false;
+
+        // Dot-atom characters are: 1*atext *("." 1*atext)
+        // atext: ALPHA / DIGIT / and "!", "#", "$", "%", "&", "'", "*",
+        //        "-", "/", "=", "?", "^", "_", "`", "{", "|", "}", "~"
+        $atext = 'a-zA-Z0-9\x21\x23\x24\x25\x26\x27\x2a\x2b\x2d\x2f\x3d\x3f\x5e\x5f\x60\x7b\x7c\x7d';
+        if (preg_match('/^[' . $atext . ']+(\x2e+[' . $atext . ']+)*$/', $this->_localPart)) {
+            $localResult = true;
+        } else {
+            // Try quoted string format
+
+            // Quoted-string characters are: DQUOTE *([FWS] qtext/quoted-pair) [FWS] DQUOTE
+            // qtext: Non white space controls, and the rest of the US-ASCII characters not
+            //   including "\" or the quote character
+            $noWsCtl    = '\x01-\x08\x0b\x0c\x0e-\x1f\x7f';
+            $qtext      = $noWsCtl . '\x21\x23-\x5b\x5d-\x7e';
+            $ws         = '\x20\x09';
+            if (preg_match('/^\x22([' . $ws . $qtext . '])*[$ws]?\x22$/', $this->_localPart)) {
+                $localResult = true;
+            } else {
+                $this->_error(self::DOT_ATOM);
+                $this->_error(self::QUOTED_STRING);
+                $this->_error(self::INVALID_LOCAL_PART);
+            }
+        }
+
+        // If both parts valid, return true
+        if ($localResult && $hostnameResult && $length) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+}