refactoring

[github/wallabag/wallabag.git] / inc / poche / Url.class.php

diff --git a/inc/poche/Url.class.php b/inc/poche/Url.class.php
new file mode 100644 (file)
index 0000000..f4a8f99
--- /dev/null
+++ b/inc/poche/Url.class.php
@@ -0,0 +1,94 @@
+<?php
+/**
+ * poche, a read it later open source system
+ *
+ * @category   poche
+ * @author     Nicolas Lœuillet <support@inthepoche.com>
+ * @copyright  2013
+ * @license    http://www.wtfpl.net/ see COPYING file
+ */
+
+class Url
+{
+    public $url;
+
+    function __construct($url)
+    {
+        $this->url = base64_decode($url);
+    }
+
+    public function getUrl() {
+        return $this->url;
+    }
+
+    public function setUrl($url) {
+        $this->url = $url;
+    }
+
+    public function isCorrect()
+    {
+        $pattern = '|^http(s)?://[a-z0-9-]+(.[a-z0-9-]+)*(:[0-9]+)?(/.*)?$|i';
+
+        return preg_match($pattern, $this->url);
+    }
+
+    public function clean()
+    {
+        $url = html_entity_decode(trim($this->url));
+
+        $stuff = strpos($url,'&utm_source=');
+        if ($stuff !== FALSE)
+            $url = substr($url, 0, $stuff);
+        $stuff = strpos($url,'?utm_source=');
+        if ($stuff !== FALSE)
+            $url = substr($url, 0, $stuff);
+        $stuff = strpos($url,'#xtor=RSS-');
+        if ($stuff !== FALSE)
+            $url = substr($url, 0, $stuff);
+
+        $this->url = $url;
+    }
+
+    public function fetchContent()
+    {
+        if ($this->isCorrect()) {
+            $this->clean();
+            $html = Encoding::toUTF8(Tools::getFile($this->getUrl()));
+
+            # if Tools::getFile() if not able to retrieve HTTPS content, try the same URL with HTTP protocol
+            if (!preg_match('!^https?://!i', $this->getUrl()) && (!isset($html) || strlen($html) <= 0)) {
+                $this->setUrl('http://' . $this->getUrl());
+                $html = Encoding::toUTF8(Tools::getFile($this->getUrl()));
+            }
+
+            if (function_exists('tidy_parse_string')) {
+                $tidy = tidy_parse_string($html, array(), 'UTF8');
+                $tidy->cleanRepair();
+                $html = $tidy->value;
+            }
+
+            $parameters = array();
+            if (isset($html) and strlen($html) > 0)
+            {
+                $readability = new Readability($html, $this->getUrl());
+                $readability->convertLinksToFootnotes = CONVERT_LINKS_FOOTNOTES;
+                $readability->revertForcedParagraphElements = REVERT_FORCED_PARAGRAPH_ELEMENTS;
+
+                if($readability->init())
+                {
+                    $content = $readability->articleContent->innerHTML;
+                    $parameters['title'] = $readability->articleTitle->innerHTML;
+                    $parameters['content'] = $content;
+
+                    return $parameters;
+                }
+            }
+        }
+        else {
+            #$msg->add('e', _('error during url preparation : the link is not valid'));
+            Tools::logm($this->getUrl() . ' is not a valid url');
+        }
+
+        return FALSE;
+    }
+}
\ No newline at end of file