/**
*
*
* @param mixed $filedata
*/
function downloadViaProxy($filename, $mimeType, $url, $bypassProxy = true)
{
if (!file_exists($filename)) {
// || filemtime($filename)<time()-(86400*30))
$rawdata = loadRemoteURLContent($url, $bypassProxy);
saveAsFile($rawdata, $filename);
/*
if ($raw) {
if(file_exists($filename)){
unlink($filename);
}
$fp = fopen($filename, "w");
//$fp = fopen($filename, "x");
fwrite($fp, $raw);
//fflush($fp); // need to insert this line for proper output when tile is first requestet
fclose($fp);
}
*/
}
if (file_exists($filename)) {
downloadFile($mimeType, $filename);
}
}
/**
* request version on Heurist reference server and compare it with the local version
*
* @param mixed $version_in_session
*/
function checkVersionOnMainServer($version_in_session)
{
$version_last_check = getLastCheckedVersion($version_in_session);
//check data of last check and last warning email
$fname = HEURIST_UPLOAD_ROOT . "lastAdviceSent.ini";
if ($version_last_check == null && file_exists($fname)) {
//version in session is outdated
//last check and version
$version_in_session = file_get_contents($fname);
$version_last_check = getLastCheckedVersion($version_in_session);
//get last version from file
}
if ($version_last_check) {
//version is valid (not null)
return $version_in_session;
}
//send request to main server at HEURIST_INDEX_BASE_URL
// Heurist_Master_Index is the refernece standard for current database version
// Maybe this should be changed to Heurist_Sandpit?. Note: sandpit no longer needed, or used, from late 2015
$url = HEURIST_INDEX_BASE_URL . "admin/setup/dbproperties/getCurrentVersion.php?db=Heurist_Master_Index&check=1";
$rawdata = loadRemoteURLContentSpecial($url);
if ($rawdata) {
//parse result
if (checkVersionValid($rawdata)) {
// $rawdata contains program version | database version
$current_version = explode("|", $rawdata);
// $curver is the current program version
$curver = explode(".", $current_version[0]);
if (count($curver) >= 2) {
$major = intval($curver[0]);
$subver = intval($curver[1]);
//compare with local program version set in HEURIST_VERSION
$locver = explode(".", HEURIST_VERSION);
$major_local = intval($locver[0]);
$subver_local = intval($locver[1]);
// TODO: HEURIST_VERSION is not rendering the local version in the email below, yet HEURIST_SERVER_NAME works
// and it seems to have set the $variables and to detect local version OK ???
$email_title = null;
if ($major_local < $major) {
$email_title = "Major new version of Heurist Vsn " . $current_version[0] . " available for " . HEURIST_SERVER_NAME . " (running Vsn " . HEURIST_VERSION . ")";
} else {
if ($major_local == $major && $subver_local < $subver) {
$email_title = "Heurist update Vsn " . $current_version[0] . " available for " . HEURIST_SERVER_NAME . " (running Vsn " . HEURIST_VERSION . ")";
}
}
if ($email_title) {
//send email to administrator about new database registration
$email_text = "Your server is running Heurist version " . HEURIST_VERSION . " The current stable version of Heurist (version " . $current_version[0] . ") is available from <a href='https://code.google.com/p/heurist/'>Google Code</a> or " . "<a href='http://HeuristNetwork.org'>HeuristNetwork.org</a>. We recommend updating your copy of the software if the sub-version has changed " . "(or better still with any change of version).\n\n" . "Heurist is copyright (C) 20075 - 2014 The University of Sydney and available as Open Source software under the GNU-GPL licence. " . "Beta versions of the software with new features may also be available at the Google Code repository or linked from the HeuristNetwork home page.";
sendEmail(HEURIST_MAIL_TO_ADMIN, $email_title, $email_text, null);
}
//save current date of check
$version_in_session = date("Y-m-d") . "|" . $current_version[0];
if (!saveAsFile($version_in_session, $fname)) {
}
return $version_in_session;
}
}
}
//cannot access server or it returns invalid data - check next 24 hr
$version_in_session = date("Y-m-d") . "|unknown";
if (!saveAsFile($version_in_session, $fname)) {
}
return $version_in_session;
}
function checkVersionOnMainServer($version_in_session)
{
$version_last_check = getLastCheckedVersion($version_in_session);
//check data of last check and last warning email
$fname = HEURIST_UPLOAD_ROOT . "lastAdviceSent.ini";
if ($version_last_check == null && file_exists($fname)) {
//last check and version
$version_in_session = file_get_contents($fname);
$version_last_check = getLastCheckedVersion($version_in_session);
}
if ($version_last_check) {
return $version_in_session;
}
//send request to main server HEURIST_INDEX_BASE_URL
$url = HEURIST_INDEX_BASE_URL . "admin/setup/getCurrentVersion.php?db=H3MasterIndex&check=1";
$rawdata = loadRemoteURLContent($url);
if ($rawdata) {
//parse result
$current_version = explode("|", $rawdata);
if (count($current_version) > 0) {
//debug $current_version[0] = "5.9.1 RC2";
$curver = explode(".", $current_version[0]);
if (count($curver) > 2) {
$major = intval($curver[0]);
$subver = intval($curver[1]);
//compare with local versions
$locver = explode(".", HEURIST_VERSION);
$major_local = intval($locver[0]);
$subver_local = intval($locver[1]);
$email_title = null;
if ($major_local < $major) {
$email_title = "Major new version of Heurist Vsn " . $current_version[0] . " available for " . HEURIST_SERVER_NAME . " (running Vsn " . HEURIST_VERSION . ")";
} else {
if ($major_local == $major && $subver_local < $subver) {
$email_title = "Heurist update Vsn " . $current_version[0] . " available for " . HEURIST_SERVER_NAME . " (running Vsn " . HEURIST_VERSION . ")";
}
}
if ($email_title) {
//send email to administrator about new database registration
$email_text = "Your server is running Heurist version " . HEURIST_VERSION . " The current stable version of Heurist (version " . $current_version[0] . ") is available from HeuristScholar.org We recommend updating your copy of the software if the sub-version has changed " . "(or better still with any change of version).\n\n" . "Heurist is copyright (C) The University of Sydney and available as Open Source software under the GNU-GPL licence. " . "Beta versions of the software with new features may also be available at the Google Code repository, linked from the Heurist home page.";
//
$rv = mail(HEURIST_MAIL_TO_ADMIN, $email_title, $email_text, "From: root");
if (!$rv) {
//TODO SAW this should not fail silently
error_log("mail send failed: " . HEURIST_MAIL_TO_ADMIN);
//to delete check file ?????
} else {
}
}
//save current date of check
$version_in_session = date("Y-m-d") . "|" . $current_version[0];
if (!saveAsFile($version_in_session, $fname)) {
error_log("Can't write file " . $fname);
}
return $version_in_session;
}
}
}
return null;
//version check fails
}
