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Commit 80d9af3

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author
iustin
committed
s
1 parent 5589c4f commit 80d9af3

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1 file changed

+132
-6
lines changed

1 file changed

+132
-6
lines changed

‎src/router.class.php‎

Lines changed: 132 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -29,6 +29,8 @@ class PHP_Webserver_Router
2929
private $request_uri = "";
3030
private $physical_file = "";
3131
private $extension = "";
32+
private $extension_last = "";
33+
private $has_inline_extension = "";
3234
private $eTag = "";
3335
private $eTagHeader = "";
3436
private $last_modified = "";
@@ -58,6 +60,18 @@ function __construct()
5860
private function init()
5961
{
6062

63+
//$_SERVER['SERVER_NAME'] = "localhost";
64+
65+
66+
//$_SERVER['PHP_SELF'] = $index_file_relative;
67+
68+
/*$_SERVER['REQUEST_URI'] = $_SERVER['REQUEST_URI'] .'/';
69+
echo '<pre>';
70+
print_r($_SERVER);
71+
72+
die();*/
73+
74+
6175
set_error_handler(function ($error_type) {
6276

6377
switch ($error_type) {
@@ -68,11 +82,40 @@ private function init()
6882

6983
}, E_ALL);
7084

85+
/**
86+
* Fix SCRIPT_FILENAME
87+
*/
88+
if (substr_count($_SERVER['SCRIPT_FILENAME'], $_SERVER['DOCUMENT_ROOT']) > 0) {
89+
$_SERVER['SCRIPT_FILENAME'] = trim(str_replace($_SERVER['DOCUMENT_ROOT'], '', $_SERVER['SCRIPT_FILENAME']), '/');
90+
}
91+
//echo $_SERVER['SCRIPT_FILENAME'].'<br />';
92+
//echo $_SERVER['DOCUMENT_ROOT'].'<br />';
93+
7194
$this->request_uri = \filter_input(\INPUT_SERVER, 'REQUEST_URI', \FILTER_SANITIZE_ENCODED);
7295
$this->request_uri = preg_replace('([/\\\]+)', '/', urldecode($this->request_uri));
7396

7497
$this->physical_file = preg_replace('([/\\\]+)', '/', $_SERVER['SCRIPT_FILENAME']);
98+
99+
if( ($file = $this->URI_validFolder()) !== FALSE){
100+
$this->physical_file = $file;
101+
}
102+
75103
$this->extension = strrev(strstr(strrev($this->physical_file), '.', TRUE));
104+
$this->extension_last = $this->URI_extension();
105+
$this->has_inline_extension = strrev(strstr(strrev($this->URI_Filename()), '.', TRUE)) !== FALSE ? TRUE : FALSE;
106+
107+
/*echo '<pre>';
108+
print_r($this->URI_validFolder());
109+
echo '<Br />';
110+
print_r($_SERVER);
111+
echo '</pre>';
112+
echo '<br />' . $this->physical_file . '<br />';
113+
echo $this->request_uri . '<br />';
114+
echo $this->extension . '<br />';
115+
echo $this->extension_last . '<br />';
116+
echo $this->URI_Filename() . '<br />';
117+
118+
die();*/
76119

77120
$this->last_modified = time();
78121
$this->eTag = md5($this->last_modified);
@@ -197,9 +240,20 @@ function process_request()
197240

198241
$uri_path = $this->URI_no_query();
199242

200-
if (!file_exists($_SERVER['DOCUMENT_ROOT'] . '/' . urldecode(substr($uri_path, 1)))) {
201-
202-
$this->favicon();
243+
$fileIsNotPresent = !file_exists($_SERVER['DOCUMENT_ROOT'] . '/' . urldecode(substr($uri_path, 1)));
244+
245+
/**
246+
* Check if file exists so we can serve it and
247+
* Double check the request path for falsies e.g.
248+
*
249+
* http://domain.com/this/is/a/valid/path.extension/but/this/is/the/real/request/file.css
250+
*
251+
* The path http://domain.com/this/is/a/valid/path.extension is the falsie it does not exist but it requests for
252+
* /but/this/is/the/real/request/file.css , therefore this must be the SCRIPT_FILENAME
253+
* and since we cannot know the logic behind that URL we follow the last path for a valid file so we can return
254+
* the correct Content-Type and Content-Length
255+
*/
256+
if ($fileIsNotPresent && !file_exists($this->URI_validFolder())) {
203257

204258
header('HTTP/1.1 404 Not Found');
205259
$this->http_status = 404;
@@ -218,6 +272,9 @@ function process_request()
218272
header('Content-Type: ' . $mime_type);
219273
header('Content-Length: ' . $this->file_length);
220274

275+
/**
276+
* Serve Cached files if available or else serve Raw Files
277+
*/
221278
if (@strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $this->last_modified || $this->eTagHeader == $this->eTag) {
222279

223280
header('HTTP/1.1 304 Not Modified');
@@ -239,6 +296,52 @@ function process_request()
239296

240297
}
241298

299+
/**
300+
* Search and return valid folder from URI
301+
*/
302+
function URI_validFolder()
303+
{
304+
305+
$uri = $this->URI_no_query();
306+
$exp = explode('/', $uri);
307+
308+
$exp = array_filter($exp, function ($k) {
309+
return !in_array($k, array("", "", "..", "."));
310+
});
311+
312+
$tmp = array();
313+
314+
foreach ($exp as $k => $item) {
315+
316+
$tmp[$k] = array();
317+
318+
for ($i = $k; $i < count($exp); $i++) {
319+
$tmp[$k][] = $exp[$i];
320+
}
321+
322+
array_push($tmp[$k], $exp[count($exp)]);
323+
324+
$tmp[$k] = implode("/", $tmp[$k]);
325+
326+
}
327+
$tmp = array_filter($tmp, function ($k) {
328+
return strlen($k);
329+
});
330+
331+
foreach ($tmp as $item) {
332+
333+
if (file_exists($_SERVER['DOCUMENT_ROOT'] . '/' . $item)) {
334+
335+
return $_SERVER['DOCUMENT_ROOT'] . '/' . $item;
336+
337+
}
338+
339+
}
340+
341+
return FALSE;
342+
343+
}
344+
242345
/**
243346
* Serve your application
244347
*/
@@ -313,6 +416,8 @@ function console_output()
313416
$load_index = $_SERVER['DOCUMENT_ROOT'] . "/" . $this->indexPath;
314417
$load_index = preg_replace('([/\\\]+)', '/', trim($load_index));
315418

419+
$_SERVER['SCRIPT_NAME'] = DIRECTORY_SEPARATOR . $this->indexPath;
420+
316421
if (!file_exists($load_index)) {
317422

318423
$not_found_message = "Your script file doesn't exist at " . $load_index;
@@ -322,7 +427,7 @@ function console_output()
322427

323428
} else {
324429

325-
if (file_exists($uri_filepath) && !is_dir($uri_filepath)) {
430+
if (file_exists($uri_filepath) && !is_dir($uri_filepath)) {
326431

327432
$this->process_request();
328433

@@ -396,7 +501,28 @@ private function URI_Filename()
396501
private function URIhasPHP()
397502
{
398503

399-
return strrev(strstr(strrev(strtolower($this->URI_Filename())), '.', TRUE)) == 'php' ? TRUE : FALSE;
504+
return $this->URI_extension() == 'php' ? TRUE : FALSE;
505+
506+
}
507+
508+
function URI_extension()
509+
{
510+
511+
$uri = $this->URI_no_query();
512+
513+
/**
514+
* Retrieve last segment
515+
*/
516+
if (strstr($uri, '/', TRUE) !== FALSE) {
517+
$uri_split = explode('/', $uri);
518+
$uri = $uri_split[count($uri_split) - 1];
519+
}
520+
521+
if (strstr($uri, '.', TRUE) !== FALSE) {
522+
return strrev(strstr(strrev(strtolower($uri)), '.', TRUE));
523+
}
524+
525+
return FALSE;
400526

401527
}
402528

@@ -505,4 +631,4 @@ private function create_mime_file()
505631

506632
}
507633

508-
}
634+
}

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