Initial revision

1 files changed, 134 insertions, 0 deletions

diff --git a/forum/utils/files.php b/forum/utils/files.php
new file mode 100644
index 0000000..d714ba2
--- /dev/null
+++ b/forum/utils/files.php
@@ -0,0 +1,134 @@
+<?php
+
+include_once($UTIL_DIR . "/convert.php");
+include_once($UTIL_DIR . "/mimetypes.php");
+
+class File {
+	public $fid;
+	public $name;
+	public $mimetype;
+
+	public function link()
+	{
+		global $PERMSTORE;
+		return "file.php?fid=" . $this->fid;
+	}
+
+	public function show()
+	{
+		global $PERMSTORE;
+		echo "<div class=\"file\">\n";
+		echo "  <a class=\"delete\" href=\"?mode=files&amp;task=delete&amp;fid=" . $this->fid . "\">Delete</a>\n";
+		echo "  <div class=\"filename\">Filename: <a href=\"" . $this->link() . "\">" . $this->name  . "</a>(" . $this->mimetype. ")</div>\n";
+		echo "  <div class=\"filesize\">Size: " . ceil(filesize($PERMSTORE . "/" . $this->fid) / 1024) . "kb</div>\n";
+		echo "</div>\n";
+	}
+
+	public function File($fid, $name, $mimetype)
+	{
+		$this->fid = $fid;
+		$this->name = $name;
+		$this->mimetype = $mimetype;
+	}
+}
+
+class Files {
+
+	private $file;
+	public $files = array();
+	
+	public function add($file) {
+		$key = $file->fid;
+		$this->files[$key] = $file;
+	}
+	
+	public function write()
+	{
+		$fp = fopen($this->file, "w");
+
+		$block = TRUE;
+		flock($fp, LOCK_EX, $block); // do an exclusive lock
+
+		fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
+
+		fwrite($fp, "<files>\n");
+ 		foreach($this->files as $file) {
+			fwrite($fp, "  <file fid=\"" .
+						 htmlspecialchars($file->fid, ENT_QUOTES, "UTF-8") . "\"\n");
+			fwrite($fp, "        name=\"" . 
+						 htmlspecialchars($file->name, ENT_QUOTES, "UTF-8") . "\"\n");
+			fwrite($fp, "        mimetype=\"" . 
+						 htmlspecialchars($file->mimetype, ENT_QUOTES, "UTF-8") . "\">\n");
+			fwrite($fp, "  </file>\n");
+		}
+		fwrite($fp, "</files>\n");
+
+		fclose($fp);
+	}
+
+	public function show()
+	{
+ 		foreach($this->files as $file) {
+			$file->show();
+		}
+	}
+
+	public function getFile($fid)
+	{
+		$file = $this->files[$fid]; 
+		return $file;
+	}
+
+	public function newFile($tempfile, $name)
+	{
+		global $PERMSTORE;
+		$fid = time();
+
+		// move tempfile to permstore and put it in db.
+		move_uploaded_file($tempfile, $PERMSTORE . "/" . $fid);
+
+		$f = new File($fid, $name, getMimeType($name)->name);
+		$this->add($f);
+
+		// We cannot wait to write the db, otherwise we'll get inconsistency!
+		$this->write();
+
+		// Return new file id.
+		return $fid;
+	}
+
+	public function deleteFile($fid)
+	{
+		global $PERMSTORE;
+		unlink($PERMSTORE . "/" . $fid);
+		unset($this->files[$fid]);
+
+		// We cannot wait to write the db, otherwise we'll get inconsitency!
+		$this->write();
+	}
+
+	private function read()
+	{
+		$dom = new DomDocument;
+		$dom->preserveWhiteSpace = FALSE;
+		$dom->load($this->file);
+		$files = $dom->getElementsByTagName('file');
+
+		foreach ($files as $f) {
+			$file = new File($f->getAttribute('fid'),
+											 $f->getAttribute('name'),
+											 $f->getAttribute('mimetype'));
+
+			$this->add($file);
+		}
+
+	}
+
+	public function Files($file)
+	{
+		$this->file = $file;
+		$this->read();
+	}
+
+}
+?>
\ No newline at end of file