1 files changed, 153 insertions, 0 deletions
diff --git a/admin/survey/minify/server-info.php b/admin/survey/minify/server-info.php
new file mode 100644
index 0000000..0b1ada7
--- /dev/null
+++ b/admin/survey/minify/server-info.php
@@ -0,0 +1,153 @@
+<?php
+/**
+ * Reports server info useful in configuring the options $min_documentRoot, $min_symlinks,
+ * and $min_serveOptions['minApp']['allowDirs'].
+ *
+ * Change to true to expose this info.
+ */
+$enabled = false;
+
+///////////////////////
+
+if (!$enabled) {
+    die('Set $enabled to true to see server info.');
+}
+
+function assertTrue($test, $message) {
+    if (!$test) {
+        echo "Warning: $message\n";
+    }
+    return (bool)$test;
+}
+
+header('Content-Type: text/plain');
+
+$file = __FILE__;
+$tmp = sys_get_temp_dir();
+
+echo <<<EOD
+Cache directory : $tmp
+__FILE__        : $file
+SCRIPT_FILENAME : {$_SERVER['SCRIPT_FILENAME']}
+DOCUMENT_ROOT   : {$_SERVER['DOCUMENT_ROOT']}
+SCRIPT_NAME     : {$_SERVER['SCRIPT_NAME']}
+REQUEST_URI     : {$_SERVER['REQUEST_URI']}
+
+
+EOD;
+
+$noSlash = assertTrue(
+    0 === preg_match('@[\\\\/]$@', $_SERVER['DOCUMENT_ROOT']),
+    'DOCUMENT_ROOT ends in trailing slash'
+);
+
+$isRealPath = assertTrue(
+    false !== realpath($_SERVER['DOCUMENT_ROOT']),
+    'DOCUMENT_ROOT fails realpath()'
+);
+
+$containsThisFile = assertTrue(
+    0 === strpos(realpath(__FILE__), realpath($_SERVER['DOCUMENT_ROOT'])),
+    'DOCUMENT_ROOT contains this test file'
+);
+
+if (! $noSlash || ! $isRealPath || ! $containsThisFile) {
+    echo "If you cannot modify DOCUMENT_ROOT, consider setting \$min_documentRoot in config.php\n";
+}
+
+assertTrue(
+    empty($_SERVER['SUBDOMAIN_DOCUMENT_ROOT']),
+    "\$_SERVER['SUBDOMAIN_DOCUMENT_ROOT'] is set. You may want to set \$min_documentRoot to this in config.php"
+);
+
+assertTrue(
+    realpath(__FILE__) === realpath($_SERVER['DOCUMENT_ROOT'] . '/min/server-info.php'),
+    "/min/ is not directly inside DOCUMENT_ROOT."
+);
+
+// TODO: rework this
+/*
+function _test_environment_getHello($url)
+{
+    $fp = fopen($url, 'r', false, stream_context_create(array(
+        'http' => array(
+            'method' => "GET",
+            'timeout' => '10',
+            'header' => "Accept-Encoding: deflate, gzip\r\n",
+        )
+    )));
+    $meta = stream_get_meta_data($fp);
+    $encoding = '';
+    $length = 0;
+    foreach ($meta['wrapper_data'] as $i => $header) {
+        if (preg_match('@^Content-Length:\\s*(\\d+)$@i', $header, $m)) {
+            $length = $m[1];
+        } elseif (preg_match('@^Content-Encoding:\\s*(\\S+)$@i', $header, $m)) {
+            if ($m[1] !== 'identity') {
+                $encoding = $m[1];
+            }
+        }
+    }
+    $streamContents = stream_get_contents($fp);
+    fclose($fp);
+
+    if (__FILE__ === realpath($_SERVER['SCRIPT_FILENAME'])) {
+        if ($length != 6) {
+            echo "\nReturned content should be 6 bytes and not HTTP encoded.\n"
+                . "Headers returned by: {$url}\n\n";
+            var_export($meta['wrapper_data']);
+            echo "\n\n";
+        }
+    }
+
+    return array(
+        'length' => $length
+    ,'encoding' => $encoding
+    ,'bytes' => $streamContents
+    );
+}
+
+$thisUrl = 'http://'
+    . $_SERVER['HTTP_HOST'] // avoid redirects when SERVER_NAME doesn't match
+    . ('80' === $_SERVER['SERVER_PORT'] ? '' : ":{$_SERVER['SERVER_PORT']}")
+    . dirname($_SERVER['REQUEST_URI'])
+    . '/test_environment.php';
+
+$oc = @file_get_contents($thisUrl . '?getOutputCompression=1');
+
+if (false === $oc || ! preg_match('/^[01]$/', $oc)) {
+    echo "!---: environment : Local HTTP request failed. Testing cannot continue.\n";
+    return;
+}
+if ('1' === $oc) {
+    echo "!---: environment : zlib.output_compression is enabled in php.ini"
+        . " or .htaccess.\n";
+}
+
+$testJs = _test_environment_getHello($thisUrl . '?hello=js');
+$passed = assertTrue(
+    $testJs['length'] == 6
+    ,'environment : PHP/server should not auto-encode application/x-javascript output'
+);
+
+$testCss = _test_environment_getHello($thisUrl . '?hello=css');
+$passed = $passed && assertTrue(
+        $testCss['length'] == 6
+        ,'environment : PHP/server should not auto-encode text/css output'
+    );
+
+$testHtml = _test_environment_getHello($thisUrl . '?hello=html');
+$passed = $passed && assertTrue(
+        $testHtml['length'] == 6
+        ,'environment : PHP/server should not auto-encode text/html output'
+    );
+
+if (! $passed) {
+    $testFake = _test_environment_getHello($thisUrl . '?hello=faketype');
+    if ($testFake['length'] == 6) {
+        echo "      environment : Server does not auto-encode arbitrary types. This\n"
+            . "                    may indicate that the auto-encoding is caused by Apache's\n"
+            . "                    AddOutputFilterByType.";
+    }
+}
+*/