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register_server.php
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register_server.php
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<?php
session_start();
require_once 'constants.php';
ini_set('display_errors', 1);
$primaryInvestigatorName = filter_input(INPUT_POST, "primaryInvestigator_name", FILTER_SANITIZE_STRING);
$primaryInvestigatorEmail = filter_input(INPUT_POST, "primaryInvestigator_email", FILTER_SANITIZE_STRING);
$researchInstitution = filter_input(INPUT_POST, "researchInstitution", FILTER_SANITIZE_STRING);
$secondaryName = filter_input(INPUT_POST, "secondary_name", FILTER_SANITIZE_STRING);
$secondaryEmail = filter_input(INPUT_POST, "secondary_email", FILTER_SANITIZE_STRING);
$userOrig = filter_input(INPUT_POST, "user", FILTER_SANITIZE_STRING);
$pwOrig = filter_input(INPUT_POST, "pwOrig", FILTER_SANITIZE_STRING);
$pwCopy = filter_input(INPUT_POST, "pwCopy", FILTER_SANITIZE_STRING);
$user = validateUser($userOrig);
$pw = validatePassword($pwOrig, $pwCopy);
// User and Password both validated as correct
if($user && $pw){
createNewUser($user, $pw);
createSecondaryInformationFile($user, $primaryInvestigatorName, $primaryInvestigatorEmail, $researchInstitution, $secondaryName, $secondaryEmail);
}
//=========================================================
// Functions used to generate user account.
//---------------------------------------------------------
function createNewUser($user, $pw){
global $url;
if (!doesUserDirectoryExist($user)) {
$dir = $GLOBALS['directory']."users/".$user;
mkdir($dir);
mkdir($dir."/projects/"); // initialize user projects dir.
mkdir($dir."/genomes/"); // initialize user genomes dir.
chmod($dir,0777);
chmod($dir."/projects/",0777);
chmod($dir."/genomes/", 0777);
writePassword($user, $pw);
echo "<font color=\"green\"><b>SUCCESS: User account created.</b></font><br>";
echo "(Main page will reload shortly...)\n";
echo "<script type=\"text/javascript\">\nreload_page=function() {\n\tlocation.replace(\"{$url}\");\n}\n";
echo "var intervalID = window.setInterval(reload_page, 5000);\n</script>\n";
} else {
// The user directory already exists!
echo "<font color=\"red\"><b>ERROR: User already exists.</b></font><br>";
echo "(Main page will reload shortly...)\n";
echo "<script type=\"text/javascript\">\nreload_page=function() {\n\tlocation.replace(\"{$url}\");\n}\n";
echo "var intervalID = window.setInterval(reload_page, 5000);\n</script>\n";
return false;
}
}
function writePassword($user, $pw){
$pwFile = $GLOBALS['directory']."users/".$user."/pw.txt";
$fh = fopen($pwFile, 'w');
fwrite($fh, $pw);
fclose($fh);
chmod($pwFile, 0644);
}
function doesUserDirectoryExist($user){
$dir = $GLOBALS['directory']."users/".$user."/";
return file_exists($dir);
}
function createSecondaryInformationFile($user, $primaryInvestigatorName, $primaryInvestigatorEmail, $researchInstitution, $secondaryName, $secondaryEmail){
$secondaryInformationFile = $GLOBALS['directory']."users/".$user."/info.txt";
$fileHandle = fopen($secondaryInformationFile, 'w');
fwrite($fileHandle, "User: ".$user."\n");
fwrite($fileHandle, "Primary Investigator Name: ".$primaryInvestigatorName."\n");
fwrite($fileHandle, "Primary Investigator Email: ".$primaryInvestigatorEmail."\n");
fwrite($fileHandle, "Research Institution: ".$researchInstitution."\n");
fwrite($fileHandle, "Secondary Name: ".$secondaryName."\n");
fwrite($fileHandle, "Secondary Email: ".$secondaryEmail."\n");
fclose($fileHandle);
chmod($secondaryInformationFile, 0644);
}
//=========================================================
// Functions used to validate entered user name.
//---------------------------------------------------------
function validateUser($user){
global $url;
$MIN_USER_LENGTH = 6;
$MAX_USER_LENGTH = 24;
// MIN LENGTH CHECK
if (strlen($user) < $MIN_USER_LENGTH) {
echo "<font color=\"red\"><b>ERROR: Your user name is too short, minimum is $MIN_USER_LENGTH.</b></font><br>";
echo "(Main page will reload shortly...)\n";
echo "<script type=\"text/javascript\">\nreload_page=function() {\n\tlocation.replace(\"{$url}\");\n}\n";
echo "var intervalID = window.setInterval(reload_page, 5000);\n</script>\n";
return "";
}
// MAX LENGTH CHECK
if (strlen($user) > $MAX_USER_LENGTH) {
echo "<font color=\"red\"><b>ERROR: Your user name is too long, maximum is $MAX_USER_LENGTH.</b></font><br>";
echo "(Main page will reload shortly...)\n";
echo "<script type=\"text/javascript\">\nreload_page=function() {\n\tlocation.replace(\"{$url}\");\n}\n";
echo "var intervalID = window.setInterval(reload_page, 5000);\n</script>\n";
return "";
}
//CHECK FOR NON ALPHANUMERIC CHARACTERS
if (checkForAlphanumericCharacters($user)) {
echo "<font color=\"red\"><b>ERROR: You have a non-alphanumeric character in your username.</b></font><br>";
echo "(Main page will reload shortly...)\n";
echo "<script type=\"text/javascript\">\nreload_page=function() {\n\tlocation.replace(\"{$url}\");\n}\n";
echo "var intervalID = window.setInterval(reload_page, 5000);\n</script>\n";
return "";
}
//RETURN user
return $user;
}
function checkForAlphanumericCharacters($string){
return preg_match( "/^[a-zA-Z0-9]$/", $string);
}
//=========================================================
// Function used to validate entered user password.
//---------------------------------------------------------
function validatePassword($pwOrig, $pwCopy){
global $url;
$MIN_PASSWORD_LENGTH = 6;
$MAX_PASSWORD_LENGTH = 24;
// MIN LENGTH CHECK
if (strlen($pwOrig) < $MIN_PASSWORD_LENGTH) {
echo "<font color=\"red\"><b>ERROR: Your password is too short, minimum is $MIN_PASSWORD_LENGTH.</b></font><br>";
echo "(Main page will reload shortly...)\n";
echo "<script type=\"text/javascript\">\nreload_page=function() {\n\tlocation.replace(\"{$url}\");\n}\n";
echo "var intervalID = window.setInterval(reload_page, 5000);\n</script>\n";
return "";
}
// MAX LENGTH CHECK
if (strlen($pwOrig) > $MAX_PASSWORD_LENGTH) {
echo "<font color=\"red\"><b>ERROR: Your password is too long, maximum is $MAX_PASSWORD_LENGTH.</b></font><br>";
echo "(Main page will reload shortly...)\n";
echo "<script type=\"text/javascript\">\nreload_page=function() {\n\tlocation.replace(\"{$url}\");\n}\n";
echo "var intervalID = window.setInterval(reload_page, 5000);\n</script>\n";
return "";
}
// ORIG = COPY check
if ($pwOrig != $pwCopy) {
echo "<font color=\"red\"><b>ERROR: The passwords that you entered do not match.</b></font><br>";
echo "(Main page will reload shortly...)\n";
echo "<script type=\"text/javascript\">\nreload_page=function() {\n\tlocation.replace(\"{$url}\");\n}\n";
echo "var intervalID = window.setInterval(reload_page, 5000);\n</script>\n";
return "";
}
return md5($pwOrig);
}
?>