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-rw-r--r--lib/phplib/email_validation.class.php271
1 files changed, 0 insertions, 271 deletions
diff --git a/lib/phplib/email_validation.class.php b/lib/phplib/email_validation.class.php
deleted file mode 100644
index 070fa02..0000000
--- a/lib/phplib/email_validation.class.php
+++ /dev/null
@@ -1,271 +0,0 @@
-<?php
-/*
- * email_validation.php
- *
- * @(#) $Header$
- *
- */
-
-class email_validation_class
-{
- var $username_regular_expression=null;
- var $password_regular_expression="/^.{8,}\$/";
- var $name_regular_expression='/^[_ a-zA-ZÀ-ÿ\'-]+$/';
- var $telefon_regular_expression="/^([0-9 \(\)\\/+_-]*)\$/";
- var $timeout=10;
- var $data_timeout=10;
- var $localhost="studip.de";
- var $localuser="info";
- var $debug=0;
- var $html_debug=0;
- var $exclude_address="";
- var $getmxrr="GetMXRR";
-
- var $next_token="";
-
- private $idna_convert;
-
- function __construct()
- {
- $this->username_regular_expression = Config::get()->USERNAME_REGULAR_EXPRESSION;
- $this->idna_convert = new Algo26\IdnaConvert\ToIdn();
- }
-
- Function Tokenize($string,$separator="")
- {
- if(!strcmp($separator,""))
- {
- $separator=$string;
- $string=$this->next_token;
- }
- for($character=0;$character<mb_strlen($separator);$character++)
- {
- if(GetType($position=mb_strpos($string,$separator[$character]))=="integer")
- $found=(IsSet($found) ? min($found,$position) : $position);
- }
- if(IsSet($found))
- {
- $this->next_token=mb_substr($string,$found+1);
- return(mb_substr($string,0,$found));
- }
- else
- {
- $this->next_token="";
- return($string);
- }
- }
-
- Function OutputDebug($message)
- {
- $message.="\n";
- if($this->html_debug)
- $message=str_replace("\n","<br>\n",HtmlEntities($message));
- echo $message;
- flush();
- }
-
- Function GetLine($connection)
- {
- for($line="";;)
- {
- if(feof($connection))
- return(0);
- $line.=fgets($connection,100);
- $length=mb_strlen($line);
- if($length>=2
- && mb_substr($line,$length-2,2)=="\r\n")
- {
- $line=mb_substr($line,0,$length-2);
- if($this->debug)
- $this->OutputDebug("S $line");
- return($line);
- }
- }
- }
-
- Function PutLine($connection,$line)
- {
- if($this->debug)
- $this->OutputDebug("C $line");
- return(fputs($connection,"$line\r\n"));
- }
-
- Function ValidateUsername($username)
- {
- return(mb_strtolower($username) != 'studip' && preg_match($this->username_regular_expression,$username)!=0);
- }
-
- Function ValidatePassword($password)
- {
- return preg_match($this->password_regular_expression, $password) != 0;
- }
-
- Function ValidateName($name)
- {
- return(preg_match($this->name_regular_expression,$name)!=0);
- }
-
- Function ValidateTelefon($telefon)
- {
- return(preg_match($this->telefon_regular_expression,$telefon)!=0);
- }
-
- /**
- * Validates an email adress. If you pass a comma separated list of domains
- * as the second parameter, the email is also validated against this list
- * of domains and the email is only valid if it matches any of the domains.
- *
- * @param string $email Email adress to validate
- * @param string $domains Optional comma separated list of valid domains
- * @return bool
- */
- public function ValidateEmailAddress($email, $domains = '')
- {
- $converted_email = $this->idna_convert->convert($email);
- if (!filter_var($converted_email, FILTER_VALIDATE_EMAIL)) {
- return false;
- }
-
- if (!$domains) {
- return true;
- }
-
- $checks = [];
- foreach (explode(',', $domains) as $domain) {
- $checks[] = preg_quote('@' . trim($domain), '/');
- }
-
- $regexp = '/' . implode('|', $checks) . '$/i';
- return preg_match($regexp, $email) > 0;
- }
-
- Function ValidateEmailHost($email){
- return $this->ValidateEmailHostIntern($email, $hosts);
- }
-
- Function ValidateEmailHostIntern($email,&$hosts)
- {
- if (!$GLOBALS['MAIL_VALIDATE_HOST']){
- return true;
- }
- if(!$this->ValidateEmailAddress($email))
- return(0);
- $user=$this->Tokenize($email,"@");
- $domain=$this->Tokenize("");
- $hosts=$weights=[];
- $getmxrr=$this->getmxrr;
- if(function_exists($getmxrr)
- && $getmxrr($domain,$hosts,$weights))
- {
- $mxhosts=[];
- for($host=0;$host<count($hosts);$host++)
- $mxhosts[$weights[$host]]=$hosts[$host];
- KSort($mxhosts);
- for(Reset($mxhosts),$host=0;$host<count($mxhosts);Next($mxhosts),$host++)
- $hosts[$host]=$mxhosts[Key($mxhosts)];
- }
- else
- {
- if(strcmp($ip=@gethostbyname($domain),$domain)
- && (mb_strlen($this->exclude_address)==0
- || strcmp(@gethostbyname($this->exclude_address),$ip)))
- $hosts[]=$domain;
- }
- return(count($hosts)!=0);
- }
-
- Function VerifyResultLines($connection,$code)
- {
- while(($line=$this->GetLine($connection)))
- {
- if(!strcmp($this->Tokenize($line," "),$code))
- return(1);
- if(strcmp($this->Tokenize($line,"-"),$code))
- return(0);
- }
- return(-1);
- }
-
- Function ValidateEmailBox($email)
- {
- if (!$GLOBALS['MAIL_VALIDATE_BOX']){
- return true;
- }
- if(!$this->ValidateEmailHostIntern($email,$hosts))
- return(0);
- if(!strcmp($localhost=$this->localhost,"")
- && !strcmp($localhost=getenv("SERVER_NAME"),"")
- && !strcmp($localhost=getenv("HOST"),""))
- $localhost="localhost";
- if(!strcmp($localuser=$this->localuser,"")
- && !strcmp($localuser=getenv("USERNAME"),"")
- && !strcmp($localuser=getenv("USER"),""))
- $localuser="root";
- for($host=0;$host<count($hosts);$host++)
- {
- $domain=$hosts[$host];
- if(preg_match('/^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/',$domain))
- $ip=$domain;
- else
- {
- if($this->debug)
- $this->OutputDebug("Resolving host name \"".$hosts[$host]."\"...");
- if(!strcmp($ip=@gethostbyname($domain),$domain))
- {
- if($this->debug)
- $this->OutputDebug("Could not resolve host name \"".$hosts[$host]."\".");
- continue;
- }
- }
- if(mb_strlen($this->exclude_address)
- && !strcmp(@gethostbyname($this->exclude_address),$ip))
- {
- if($this->debug)
- $this->OutputDebug("Host address of \"".$hosts[$host]."\" is the exclude address");
- continue;
- }
- if($this->debug)
- $this->OutputDebug("Connecting to host address \"".$ip."\"...");
- if(($connection=($this->timeout ? @fsockopen($ip,25,$errno,$error,$this->timeout) : @fsockopen($ip,25))))
- {
- $timeout=($this->data_timeout ? $this->data_timeout : $this->timeout);
- if($timeout
- && function_exists("socket_set_timeout"))
- socket_set_timeout($connection,$timeout,0);
- if($this->debug)
- $this->OutputDebug("Connected.");
- if($this->VerifyResultLines($connection,"220")>0
- && $this->PutLine($connection,"HELO $localhost")
- && $this->VerifyResultLines($connection,"250")>0
- && $this->PutLine($connection,"MAIL FROM: <$localuser@$localhost>")
- && $this->VerifyResultLines($connection,"250")>0
- && $this->PutLine($connection,"RCPT TO: <$email>")
- && ($result=$this->VerifyResultLines($connection,"250"))>=0)
- {
- if($result
- && $this->PutLine($connection,"DATA"))
- $result=($this->VerifyResultLines($connection,"354")!=0);
- if($this->debug)
- $this->OutputDebug("This host states that the address is ".($result ? "" : "not ")."valid.");
- fclose($connection);
- if($this->debug)
- $this->OutputDebug("Disconnected.");
- return($result);
- }
- if($this->debug)
- $this->OutputDebug("Unable to validate the address with this host.");
- fclose($connection);
- if($this->debug)
- $this->OutputDebug("Disconnected.");
- }
- else
- {
- if($this->debug)
- $this->OutputDebug("Failed.");
- }
- }
- return(-1);
- }
-};
-
-?>
generated by cgit v1.0 at 2026-05-27 06:52:01 +0000