From c53d8d026021f97075fb2f4940ba22793c38fb6e Mon Sep 17 00:00:00 2001
From: davehauenstein <davehauenstein@d4e419ec-0920-11de-bbfd-a7c1bc4c261e>
Date: Wed, 15 Apr 2009 22:06:42 +0000
Subject: 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
---
 lib/Zend/Validate/File/IsImage.php | 137 +++++++++++++++++++++++++++++++++++++
 1 file changed, 137 insertions(+)
 create mode 100644 lib/Zend/Validate/File/IsImage.php

(limited to 'lib/Zend/Validate/File/IsImage.php')

diff --git a/lib/Zend/Validate/File/IsImage.php b/lib/Zend/Validate/File/IsImage.php
new file mode 100644
index 0000000..045c7fe
--- /dev/null
+++ b/lib/Zend/Validate/File/IsImage.php
@@ -0,0 +1,137 @@
+<?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: $
+ */
+
+/**
+ * @see Zend_Validate_File_MimeType
+ */
+require_once 'Zend/Validate/File/MimeType.php';
+
+/**
+ * Validator which checks if the file already exists in the directory
+ *
+ * @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_File_IsImage extends Zend_Validate_File_MimeType
+{
+    /**
+     * @const string Error constants
+     */
+    const FALSE_TYPE   = 'fileIsImageFalseType';
+    const NOT_DETECTED = 'fileIsImageNotDetected';
+    const NOT_READABLE = 'fileIsImageNotReadable';
+
+    /**
+     * @var array Error message templates
+     */
+    protected $_messageTemplates = array(
+        self::FALSE_TYPE   => "The file '%value%' is no image, '%type%' detected",
+        self::NOT_DETECTED => "The mimetype of file '%value%' has not been detected",
+        self::NOT_READABLE => "The file '%value%' can not be read"
+    );
+
+    /**
+     * Sets validator options
+     *
+     * @param  string|array $mimetype
+     * @return void
+     */
+    public function __construct($mimetype = array())
+    {
+        if (empty($mimetype)) {
+            $mimetype = array(
+                'image/x-quicktime',
+                'image/jp2',
+                'image/x-xpmi',
+                'image/x-portable-bitmap',
+                'image/x-portable-greymap',
+                'image/x-portable-pixmap',
+                'image/x-niff',
+                'image/tiff',
+                'image/png',
+                'image/x-unknown',
+                'image/gif',
+                'image/x-ms-bmp',
+                'application/dicom',
+                'image/vnd.adobe.photoshop',
+                'image/vnd.djvu',
+                'image/x-cpi',
+                'image/jpeg',
+                'image/x-ico',
+                'image/x-coreldraw',
+                'image/svg+xml'
+            );
+        }
+
+        $this->setMimeType($mimetype);
+    }
+
+    /**
+     * Defined by Zend_Validate_Interface
+     *
+     * Returns true if and only if the file is compression with the set compression types
+     *
+     * @param  string  $value Real file to check for compression
+     * @param  array   $file  File data from Zend_File_Transfer
+     * @return boolean
+     */
+    public function isValid($value, $file = null)
+    {
+        // Is file readable ?
+        require_once 'Zend/Loader.php';
+        if (!Zend_Loader::isReadable($value)) {
+            return $this->_throw($file, self::NOT_READABLE);
+        }
+
+        if ($file !== null) {
+            if (class_exists('finfo', false) && defined('MAGIC')) {
+                $mime = new finfo(FILEINFO_MIME);
+                $this->_type = $mime->file($value);
+                unset($mime);
+            } elseif (function_exists('mime_content_type') && ini_get('mime_magic.magicfile')) {
+                $this->_type = mime_content_type($value);
+            } else {
+                $this->_type = $file['type'];
+            }
+        }
+
+        if (empty($this->_type)) {
+            return $this->_throw($file, self::NOT_DETECTED);
+        }
+
+        $compressions = $this->getMimeType(true);
+        if (in_array($this->_type, $compressions)) {
+            return true;
+        }
+
+        $types = explode('/', $this->_type);
+        $types = array_merge($types, explode('-', $this->_type));
+        foreach($compressions as $mime) {
+            if (in_array($mime, $types)) {
+                return true;
+            }
+        }
+
+        return $this->_throw($file, self::FALSE_TYPE);
+    }
+}
-- 
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