php jede menge

2022-12-16 15:54:13 +01:00
parent accf248e3c
commit 147fd66fff
10 changed files with 437 additions and 116 deletions
--- a/php/php-dog/classes/lib.php
+++ b/php/php-dog/classes/lib.php
@ -0,0 +1,100 @@
+<?php
+
+class CMsg
+{
+    $success;
+    $status;
+    $message;
+    $fields;
+    $data;
+
+    function __construct($success,$status = null,$message = null,$fields = null,$data = null)
+    {
+        $this->success = $success;
+        $this->status = $status;
+        $this->message = $message;
+        $this->fields = $fields;
+        $this->data = $data;
+    }
+
+    function jsonclass()
+    {
+        return json_encode($this);
+    }
+
+    function jsonarray()
+    {
+        return json_encode([
+            'success' => $this->success,
+            'status' => $this->status,
+            'message' => $this->message,
+            'fields' => $this->message,
+            'data' => $this->data
+        ]);
+    }
+}
+
+class CUser
+{
+    $id;
+    $qr_id;
+    $email;
+    $name;
+
+    function __construct($id,$qr_id,$email,$name)
+    {
+        $this->id = $id;
+        $this->qr_id = $qr_id;
+        $this->email = $email;
+        $this->name = $name;
+    }
+}
+
+/**
+ * Generate a random string, using a cryptographically secure 
+ * pseudorandom number generator (random_int)
+ * 
+ * For PHP 7, random_int is a PHP core function
+ * For PHP 5.x, depends on https://github.com/paragonie/random_compat
+ * 
+ * @param int $length      How many characters do we want?
+ * @param string $keyspace A string of all possible characters
+ *                         to select from
+ * @return string
+ */
+function random_str(
+    $length,
+    $keyspace = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
+) 
+{
+    $str = '';
+    $max = mb_strlen($keyspace, '8bit') - 1;
+    if ($max < 1) 
+    {
+        throw new Exception('$keyspace must be at least two characters long');
+    }
+    for ($i = 0; $i < $length; ++$i) 
+    {
+        $str .= $keyspace[random_int(0, $max)];
+    }
+    return $str;
+}
+
+function getNewFilename($targetDir, $fileExt, $length)
+{
+    $newFname = random_str($length);
+    $maxtries = 100000; // prevent endless loop, most unlikely 
+    $tries = 0;
+    while(file_exists($targetDir . '/' . $newFname . '.' . $fileExt) && $tries < $maxtries)
+    {
+        ++$tries;
+        $newFname = random_str($length);
+    }
+    if($tries < $maxtries)
+    {
+        $newFname = "";
+    }
+    return $newFname;
+}
+
+?>