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Merge pull request #3152 from silverstripe-iterators/pulls/https-proto

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API Fix HTTPS proxy header detection
This commit is contained in:
Mateusz U 2014-05-23 09:08:29 +12:00
commit 2ed85dd47b
4 changed files with 67 additions and 24 deletions
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46
control/Director.php
View File

@ -478,29 +478,37 @@ class Director implements TemplateGlobalProvider {
* @return boolean
*/
public static function is_https() {
$return = false;
if ($protocol = Config::inst()->get('Director', 'alternate_protocol')) {
return $protocol == 'https';
}
if(isset($_SERVER['HTTP_X_FORWARDED_PROTOCOL'])) {
if(strtolower($_SERVER['HTTP_X_FORWARDED_PROTOCOL']) == 'https') {
return true;
}
}
if(isset($_SERVER['X-Forwarded-Proto'])) {
if(strtolower($_SERVER['X-Forwarded-Proto']) == "https") {
return true;
}
}
if((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off')) {
return true;
$return = ($protocol == 'https');
} else if(
isset($_SERVER['HTTP_X_FORWARDED_PROTO'])
&& strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https'
) {
// Convention for (non-standard) proxy signaling a HTTPS forward,
// see https://en.wikipedia.org/wiki/List_of_HTTP_header_fields
$return = true;
} else if(
isset($_SERVER['HTTP_X_FORWARDED_PROTOCOL'])
&& strtolower($_SERVER['HTTP_X_FORWARDED_PROTOCOL']) == 'https'
) {
// Less conventional proxy header
$return = true;
} else if(
isset($_SERVER['HTTP_FRONT_END_HTTPS'])
&& strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) == 'on'
) {
// Microsoft proxy convention: https://support.microsoft.com/?kbID=307347
$return = true;
} else if((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off')) {
$return = true;
} else if(isset($_SERVER['SSL'])) {
return true;
$return = true;
} else {
$return = false;
}
return false;
return $return;
}
/**

2
control/HTTP.php
View File

@ -377,7 +377,7 @@ class HTTP {
// By also using and etag that includes both the modification date and all the varies
// values which we also check against we can catch this and not return a 304
$etagParts = array(self::$modification_date, serialize($_COOKIE));
if (isset($_SERVER['HTTP_X_FORWARDED_PROTOCOL'])) $etagParts[] = $_SERVER['HTTP_X_FORWARDED_PROTOCOL'];
$etagParts[] = Director::is_https() ? 'https' : 'http';
if (isset($_SERVER['HTTP_USER_AGENT'])) $etagParts[] = $_SERVER['HTTP_USER_AGENT'];
if (isset($_SERVER['HTTP_ACCEPT'])) $etagParts[] = $_SERVER['HTTP_ACCEPT'];

28
core/startup/ParameterConfirmationToken.php
View File

@ -76,11 +76,31 @@ class ParameterConfirmationToken {
protected function currentAbsoluteURL() {
global $url;
// Are we http or https?
// Are we http or https? Replicates Director::is_https() without its dependencies/
$proto = 'http';
if(isset($_SERVER['HTTP_X_FORWARDED_PROTOCOL'])) {
if(strtolower($_SERVER['HTTP_X_FORWARDED_PROTOCOL']) == 'https') $proto = 'https';
if(
isset($_SERVER['HTTP_X_FORWARDED_PROTO'])
&& strtolower($_SERVER['HTTP_X_FORWARDED_PROTO']) == 'https'
) {
// Convention for (non-standard) proxy signaling a HTTPS forward,
// see https://en.wikipedia.org/wiki/List_of_HTTP_header_fields
$proto = 'https';
} else if(
isset($_SERVER['HTTP_X_FORWARDED_PROTOCOL'])
&& strtolower($_SERVER['HTTP_X_FORWARDED_PROTOCOL']) == 'https'
) {
// Less conventional proxy header
$proto = 'https';
} else if(
isset($_SERVER['HTTP_FRONT_END_HTTPS'])
&& strtolower($_SERVER['HTTP_FRONT_END_HTTPS']) == 'on'
) {
// Microsoft proxy convention: https://support.microsoft.com/?kbID=307347
$proto = 'https';
} else if((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off')) {
$proto = 'https';
} else if(isset($_SERVER['SSL'])) {
$proto = 'https';
}
if((!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off')) $proto = 'https';

15
tests/control/DirectorTest.php
View File

@ -370,6 +370,21 @@ class DirectorTest extends SapphireTest {
$_SERVER['HTTP_X_FORWARDED_PROTOCOL'] = 'ftp';
$this->assertFalse(Director::is_https());
$_SERVER['HTTP_X_FORWARDED_PROTO'] = 'https';
$this->assertTrue(Director::is_https());
$_SERVER['HTTP_X_FORWARDED_PROTO'] = 'http';
$this->assertFalse(Director::is_https());
$_SERVER['HTTP_X_FORWARDED_PROTO'] = 'ftp';
$this->assertFalse(Director::is_https());
$_SERVER['HTTP_FRONT_END_HTTPS'] = 'On';
$this->assertTrue(Director::is_https());
$_SERVER['HTTP_FRONT_END_HTTPS'] = 'Off';
$this->assertFalse(Director::is_https());
// https via HTTPS
$_SERVER['HTTPS'] = 'true';
$this->assertTrue(Director::is_https());