1 files changed, 147 insertions, 0 deletions
diff --git a/bootstrap/comments/backend/classes/parsexml.php b/bootstrap/comments/backend/classes/parsexml.php
new file mode 100644
index 0000000..2cea306
--- /dev/null
+++ b/bootstrap/comments/backend/classes/parsexml.php
@@ -0,0 +1,147 @@
+<?php namespace HashOver;
+
+// Copyright (C) 2010-2018 Jacob Barkdull
+// This file is part of HashOver.
+//
+// HashOver is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// HashOver is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with HashOver.  If not, see <http://www.gnu.org/licenses/>.
+
+
+// Functions for reading and writing XML files
+class ParseXML extends CommentFiles
+{
+	public function __construct (Setup $setup)
+	{
+		parent::__construct ($setup);
+
+		// Enable XML user error handling
+		libxml_use_internal_errors (true);
+
+		// Throw exception if the XML extension isn't loaded
+		$setup->extensionsLoaded (array ('xml', 'libxml'));
+	}
+
+	public function query (array $files = array (), $auto = true)
+	{
+		// Return array of files
+		return $this->loadFiles ('xml', $files, $auto);
+	}
+
+	public function read ($file, $thread = 'auto')
+	{
+		// Get comment file path
+		$file = $this->getCommentPath ($file, 'xml', $thread);
+
+		// Read XML comment file
+		$data = @file_get_contents ($file);
+
+		// Check for file read error
+		if ($data !== false) {
+			// Parse XML comment file
+			$xml = @simplexml_load_string ($data, 'SimpleXMLElement', LIBXML_COMPACT | LIBXML_NOCDATA);
+
+			// Check for XML parse error
+			if ($xml !== false) {
+				// Remove first two levels of indentation from comment
+				$xml->body = preg_replace ('/^\t{0,2}/mS', '', trim ($xml->body, "\r\n\t"));
+
+				return (array) $xml;
+			}
+		}
+
+		return false;
+	}
+
+	public function save ($file, array $contents, $editing = false, $thread = 'auto')
+	{
+		// Get comment file path
+		$file = $this->getCommentPath ($file, 'xml', $thread);
+
+		// Return false on attempts to override an existing file
+		if (file_exists ($file) and $editing === false) {
+			return false;
+		}
+
+		// Create empty XML DOM document
+		$dom = new \DOMDocument ('1.0', 'UTF-8');
+		$dom->preserveWhiteSpace = false;
+		$dom->formatOutput = true;
+
+		// Create root element "comment"
+		$comment = $dom->createElement ('comment');
+
+		// Add comment data to root "comment" element
+		foreach ($contents as $key => $value) {
+			$element = $dom->createElement ($key);
+
+			if ($key === 'body') {
+				$new_value = '';
+
+				foreach (explode (PHP_EOL, trim ($value, PHP_EOL)) as $line) {
+					if (!empty ($line)) {
+						$new_value .= "\t\t";
+					}
+
+					$new_value .= $line . "\n";
+				}
+
+				$value = "\n" . $new_value . "\t";
+			}
+
+			$text_node = $dom->createTextNode ($value);
+			$element->appendChild ($text_node);
+			$comment->appendChild ($element);
+		}
+
+		// Append root element "comment"
+		$dom->appendChild ($comment);
+
+		// Replace double spaces with single tab
+		$tabbed_dom = str_replace ('  ', "\t", $dom->saveXML ());
+
+		// Convert line endings to OS specific style
+		$tabbed_dom = $this->osLineEndings ($tabbed_dom);
+
+		// Attempt to write file
+		if (@file_put_contents ($file, $tabbed_dom, LOCK_EX)) {
+			@chmod ($file, 0600);
+			return true;
+		}
+
+		return false;
+	}
+
+	public function delete ($file, $hard_unlink = false)
+	{
+		// Actually delete the comment file
+		if ($hard_unlink === true) {
+			return unlink ($this->getCommentPath ($file, 'xml'));
+		}
+
+		// Read comment file
+		$xml = $this->read ($file);
+
+		// Check for XML parse error
+		if ($xml !== false) {
+			// Change status to deleted
+			$xml['status'] = 'deleted';
+
+			// Attempt to save file
+			if ($this->save ($file, $xml, true)) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+}