From 07f5140771388c9e0c8a99b0dd2e5d950bdb173b Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Thu, 14 Oct 2021 15:16:42 +1100
Subject: moving h-source subdir out.

---
 admin/Library/Email.php | 229 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 229 insertions(+)
 create mode 100644 admin/Library/Email.php

(limited to 'admin/Library/Email.php')

diff --git a/admin/Library/Email.php b/admin/Library/Email.php
new file mode 100644
index 0000000..c948098
--- /dev/null
+++ b/admin/Library/Email.php
@@ -0,0 +1,229 @@
+<?php
+
+// All EasyGiant code is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+// See COPYRIGHT.txt and LICENSE.txt.
+
+if (!defined('EG')) die('Direct access not allowed!');
+
+//class to send an e-mail
+class Email {
+	
+	//sent to parameters (array)
+	private $_sendTo = array();
+	
+	//cc parameters (array)
+	private $_cc = array();
+	
+	//bcc parameters (array)
+	private $_bcc = array();
+	
+	//the address of the sender
+	private $_from = null;
+	
+	//subject (string)
+	private $_subject = null;
+	
+	//charset
+	private $_charset = "iso-8859-1";
+	
+	//Content-Transfer-Encoding
+	private $_ctencoding = "7bit";
+	
+	//body
+	private $_body = '';
+	
+	//headers
+	private $_headers = null;
+	
+	//check flag. If _check = true than check the mail addresses
+	private $_check = null;
+	
+	//regular expression to check each e-mail address
+	private $_addressRegExp = null;
+	
+	//array containing all the errors encountered during the execution
+	public $errorsArray = array();
+	
+	public function __construct($bool = true)
+	{
+		$this->_check = $bool;
+	}
+	
+	//set the sentTo addresses array
+	//$addresses: array of e-mail addresses or a string
+	public function sendTo($addresses)
+	{
+		$this->_sendTo = explode(',',$addresses);
+	}
+	
+	//set the subject
+	public function subject($subject)
+	{
+		$this->_subject = $subject;
+	}
+	
+	//set the cc addresses array
+	//$addresses: array of e-mail addresses or a string
+	public function cc($addresses)
+	{
+		$this->_cc = explode(',',$addresses);
+	}
+
+	//set the bcc addresses array
+	//$addresses: array of e-mail addresses or a string
+	public function bcc($addresses)
+	{
+		$this->_bcc = explode(',',$addresses);
+	}
+
+	//set the address of the sender
+	public function from($address)
+	{
+		$this->_from = $address;
+	}
+
+	//set the charset
+	public function charset($charset)
+	{
+		$this->_charset = $charset;
+	}
+	
+	//set the Content-Transfer-Encoding
+	public function ctencoding($ctencoding)
+	{
+		$this->_ctencoding = $ctencoding;
+	}
+
+	//set the text body
+	public function body($body)
+	{
+		$this->_body = $body;
+	}
+	
+	//set the address regular expression
+	public function addressRegExp($regExp)
+	{
+		$this->_addressRegExp = $regExp;
+	}
+
+	//check if the mail address is valid
+	public function isValidAddress($address)
+	{
+		
+		if( preg_match( '/^[^<>]*<(.+)>$/', $address, $matches ) )
+		{
+			$address = $matches[1];
+		}
+		
+		if (isset($this->_addressRegExp))
+		{
+			if (preg_match($this->_addressRegExp,$address))
+			{
+				return true;
+			}
+			else
+			{
+				return false;
+			}
+		}
+		else
+		{
+			if (checkMail($address)) return true;
+		}
+		
+		return false;
+		
+	}
+
+	//check the addresses inside the $addresses array
+	public function checkAddresses($addresses)
+	{
+		foreach ($addresses as $address)
+		{
+			if(!$this->isValidAddress($address)) return false;
+		}
+		return true;
+	}
+
+	//build the mail
+	public function buildMail()
+	{
+		
+		if (empty($this->_sendTo))
+		{
+			$this->errorsArray[] = 'no address specified';
+			return false;
+		}
+		
+		if ($this->_check)
+		{
+			if (!$this->checkAddresses($this->_sendTo))
+			{
+				$this->errorsArray[] = 'errors in the sendTo address validation';
+				return false;
+			}
+			
+			if (!empty($this->_cc))
+			{
+				if (!$this->checkAddresses($this->_cc))
+				{
+					$this->errorsArray[] = 'errors in the cc address validation';
+					return false;
+				}
+			}
+
+			if (!empty($this->_bcc))
+			{
+				if (!$this->checkAddresses($this->_bcc))
+				{
+					$this->errorsArray[] = 'errors in the bcc address validation';
+					return false;
+				}
+			}
+			
+			if (isset($this->_from))
+			{
+				if (!$this->checkAddresses(array($this->_from)))
+				{
+					$this->errorsArray[] = 'errors in the from address validation';
+					return false;
+				}
+			}
+		}
+		
+		if (strcmp($this->_subject,'') === 0)
+		{
+			$this->errorsArray[] = 'no subject specified';
+			return false;
+		}
+		
+		$headers = null;
+		if (isset($this->_from)) $headers .= "From: ".$this->_from."\r\n";
+		$headers .= "MIME-Version: 1.0\r\n";
+		$headers .= "Content-Type: text/plain; charset=\"".$this->_charset."\"\r\n";
+		$headers .= "Content-Transfer-Encoding: ".$this->_ctencoding."\r\n";
+		if (!empty($this->_cc)) $headers .= "CC: ".implode(',',$this->_cc)."\r\n";
+		if (!empty($this->_bcc)) $headers .= "Bcc: ".implode(',',$this->_bcc)."\r\n";
+
+		$this->_headers = $headers;
+
+		return true;
+		
+	}
+	
+	public function send()
+	{
+		if (!$this->buildMail()) return false;
+		
+		$to = implode(',',$this->_sendTo);
+		
+		if (!@mail($to,$this->_subject,$this->_body,$this->_headers))
+		{
+			$this->errorsArray[] = 'error in the send process';
+			return false;
+		}	
+		
+		return true;
+	}
+
+}
\ No newline at end of file
-- 
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