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authordeva <deva>2008-10-04 10:38:03 +0000
committerdeva <deva>2008-10-04 10:38:03 +0000
commitcce5e7710295021b41d9aaecc503a60fb99256be (patch)
tree660235be91fb821e976c7ae62347eb368ce87524 /forum/utils/files.php
Initial revision
Diffstat (limited to 'forum/utils/files.php')
-rw-r--r--forum/utils/files.php134
1 files changed, 134 insertions, 0 deletions
diff --git a/forum/utils/files.php b/forum/utils/files.php
new file mode 100644
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--- /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