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