init

2026-04-22 02:47:27 +08:00 · 2020-12-26 01:42:23 +08:00
commit a3ba82be64
949 changed files with 60612 additions and 0 deletions
@@ -0,0 +1,189 @@
+<?php
+class ATTACHMENT{
+	var $userid;
+	var $class;
+	var $countlimit;
+	var $countsofar=0;
+	var $sizelimit;
+	var $allowedext = array();
+
+	function __construct($userid) {
+		$this->userid = $userid;
+		$this->set_class();
+		$this->set_count_so_far();
+		$this->set_count_limit();
+		$this->set_size_limit();
+		$this->set_allowed_ext();
+	}
+
+	function enable_attachment()
+	{
+		global $enableattach_attachment;
+		if ($enableattach_attachment == 'yes')
+			return true;
+		else return false;
+	}
+
+	function set_class()
+	{
+		$userid = $this->userid;
+		$row = get_user_row($userid);
+		$this->class = $row['class'];
+	}
+
+	function set_count_so_far()
+	{
+		$userid = $this->userid;
+		$now = date("Y-m-d H:i:s", TIMENOW-86400);
+		$countsofar = get_row_count("attachments", "WHERE userid=".sqlesc($userid)." AND added > ".sqlesc($now));
+		$this->countsofar = $countsofar;
+	}
+
+	function get_count_so_far()
+	{
+		return $this->countsofar;
+	}
+
+	function get_count_limit_class($class)
+	{
+		global $classone_attachment, $classtwo_attachment, $classthree_attachment, $classfour_attachment,$countone_attachment, $counttwo_attachment, $countthree_attachment, $countfour_attachment;
+		if ($class >= $classfour_attachment && $countfour_attachment)
+			return $countfour_attachment;
+		elseif ($class >= $classthree_attachment && $countthree_attachment)
+			return $countthree_attachment;
+		elseif ($class >= $classtwo_attachment && $counttwo_attachment)
+			return $counttwo_attachment;
+		elseif ($class >= $classone_attachment && $countone_attachment)
+			return $countone_attachment;
+	}
+
+	function set_count_limit()
+	{
+		$class = $this->class;
+		$countlimit = $this->get_count_limit_class($class);
+		$this->countlimit = $countlimit;
+	}
+
+	function get_count_limit()
+	{
+		return $this->countlimit;
+	}
+
+	function get_count_left()
+	{
+		$left = $this->countlimit - $this->countsofar;
+		return $left;
+	}
+
+	function get_size_limit_class($class)
+	{
+		global $classone_attachment, $classtwo_attachment, $classthree_attachment, $classfour_attachment,$sizeone_attachment, $sizetwo_attachment, $sizethree_attachment, $sizefour_attachment;
+		if ($class >= $classfour_attachment && $sizefour_attachment)
+			return $sizefour_attachment;
+		elseif ($class >= $classthree_attachment && $sizethree_attachment)
+			return $sizethree_attachment;
+		elseif ($class >= $classtwo_attachment && $sizetwo_attachment)
+			return $sizetwo_attachment;
+		elseif ($class >= $classone_attachment && $sizeone_attachment)
+			return $sizeone_attachment;
+	}
+
+	function set_size_limit()
+	{
+		$class = $this->class;
+		$sizelimit = $this->get_size_limit_class($class);
+		$this->sizelimit = $sizelimit;
+	}
+
+	function get_size_limit_kb()
+	{
+		return $this->sizelimit;
+	}
+
+	function get_size_limit_byte()
+	{
+		return $this->sizelimit * 1024;
+	}
+
+	function get_allowed_ext_class($class)
+	{
+		global $classone_attachment, $classtwo_attachment, $classthree_attachment, $classfour_attachment,$extone_attachment, $exttwo_attachment, $extthree_attachment, $extfour_attachment;
+		$allowedext = array();
+		if ($class >= $classone_attachment){
+			$temprow = $this->extract_allowed_ext($extone_attachment);
+			if (count($temprow)){
+				foreach ($temprow as $temp){
+					$allowedext[] = $temp;
+				}
+			}
+			if ($class >= $classtwo_attachment){
+				$temprow = $this->extract_allowed_ext($exttwo_attachment);
+				if (count($temprow)){
+					foreach ($temprow as $temp){
+						$allowedext[] = $temp;
+					}
+				}
+				if ($class >= $classthree_attachment){
+					$temprow = $this->extract_allowed_ext($extthree_attachment);
+					if (count($temprow)){
+						foreach ($temprow as $temp){
+							$allowedext[] = $temp;
+						}
+					}
+					if ($class >= $classfour_attachment){
+						$temprow = $this->extract_allowed_ext($extfour_attachment);
+						if (count($temprow)){
+							foreach ($temprow as $temp){
+								$allowedext[] = $temp;
+							}
+						}
+					}
+				}
+			}
+		}
+		return $allowedext;
+	}
+
+	function set_allowed_ext()
+	{
+		$class = $this->class;
+		$allowedext = $this->get_allowed_ext_class($class);
+		$this->allowedext = $allowedext;
+	}
+
+	function get_allowed_ext()
+	{
+		return $this->allowedext;
+	}
+
+	function extract_allowed_ext($string)
+	{
+		$string = rtrim(trim($string), ",");
+		$exts = explode(",", $string);
+		$extrow = array();
+		foreach ($exts as $ext){
+			$extrow[] = trim($ext);
+		}
+		return $extrow;
+	}
+
+	function is_gif_ani($filename) {
+    		if(!($fh = @fopen($filename, 'rb')))
+        		return false;
+    		$count = 0;
+	//an animated gif contains multiple "frames", with each frame having a
+	//header made up of:
+	// * a static 4-byte sequence (\x00\x21\xF9\x04)
+	// * 4 variable bytes
+	// * a static 2-byte sequence (\x00\x2C)
+
+	// We read through the file til we reach the end of the file, or we've found
+	// at least 2 frame headers
+    		while(!feof($fh) && $count < 2){
+        		$chunk = fread($fh, 1024 * 100); //read 100kb at a time
+        		$count += preg_match_all('#\x00\x21\xF9\x04.{4}\x00\x2C#s', $chunk, $matches);
+		}
+    		return $count > 1;
+	}
+}
+?>