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-rw-r--r--inc/fetch.functions.php149
-rw-r--r--lib/exe/fetch.php160
2 files changed, 159 insertions, 150 deletions
diff --git a/inc/fetch.functions.php b/inc/fetch.functions.php
new file mode 100644
index 000000000..5801e96fa
--- /dev/null
+++ b/inc/fetch.functions.php
@@ -0,0 +1,149 @@
+<?php
+/**
+ * Functions used by lib/exe/fetch.php
+ * (not included by other parts of dokuwiki)
+ */
+
+/**
+ * Set headers and send the file to the client
+ *
+ * The $cache parameter influences how long files may be kept in caches, the $public parameter
+ * influences if this caching may happen in public proxis or in the browser cache only FS#2734
+ *
+ * This function will abort the current script when a 304 is sent or file sending is handled
+ * through x-sendfile
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @author Ben Coburn <btcoburn@silicodon.net>
+ * @param string $file local file to send
+ * @param string $mime mime type of the file
+ * @param bool $dl set to true to force a browser download
+ * @param int $cache remaining cache time in seconds (-1 for $conf['cache'], 0 for no-cache)
+ * @param bool $public is this a public ressource or a private one?
+ */
+function sendFile($file, $mime, $dl, $cache, $public = false) {
+ global $conf;
+ // send mime headers
+ header("Content-Type: $mime");
+
+ // calculate cache times
+ if($cache == -1) {
+ $maxage = max($conf['cachetime'], 3600); // cachetime or one hour
+ $expires = time() + $maxage;
+ } else if($cache > 0) {
+ $maxage = $cache; // given time
+ $expires = time() + $maxage;
+ } else { // $cache == 0
+ $maxage = 0;
+ $expires = 0; // 1970-01-01
+ }
+
+ // smart http caching headers
+ if($maxage) {
+ if($public) {
+ // cache publically
+ header('Expires: '.gmdate("D, d M Y H:i:s", $expires).' GMT');
+ header('Cache-Control: public, proxy-revalidate, no-transform, max-age='.$maxage);
+ header('Pragma: public');
+ } else {
+ // cache in browser
+ header('Expires: '.gmdate("D, d M Y H:i:s", $expires).' GMT');
+ header('Cache-Control: private, no-transform, max-age='.$maxage);
+ header('Pragma: no-cache');
+ }
+ } else {
+ // no cache at all
+ header('Expires: Thu, 01 Jan 1970 00:00:00 GMT');
+ header('Cache-Control: no-cache, no-transform');
+ header('Pragma: no-cache');
+ }
+
+ //send important headers first, script stops here if '304 Not Modified' response
+ $fmtime = @filemtime($file);
+ http_conditionalRequest($fmtime);
+
+ //download or display?
+ if($dl) {
+ header('Content-Disposition: attachment; filename="'.utf8_basename($file).'";');
+ } else {
+ header('Content-Disposition: inline; filename="'.utf8_basename($file).'";');
+ }
+
+ //use x-sendfile header to pass the delivery to compatible webservers
+ if(http_sendfile($file)) exit;
+
+ // send file contents
+ $fp = @fopen($file, "rb");
+ if($fp) {
+ http_rangeRequest($fp, filesize($file), $mime);
+ } else {
+ http_status(500);
+ print "Could not read $file - bad permissions?";
+ }
+}
+
+/**
+ * Check for media for preconditions and return correct status code
+ *
+ * READ: MEDIA, MIME, EXT, CACHE
+ * WRITE: MEDIA, FILE, array( STATUS, STATUSMESSAGE )
+ *
+ * @author Gerry Weissbach <gerry.w@gammaproduction.de>
+ * @param $media reference to the media id
+ * @param $file reference to the file variable
+ * @returns array(STATUS, STATUSMESSAGE)
+ */
+function checkFileStatus(&$media, &$file, $rev = '', $width=0, $height=0) {
+ global $MIME, $EXT, $CACHE, $INPUT;
+
+ //media to local file
+ if(preg_match('#^(https?)://#i', $media)) {
+ //check hash
+ if(substr(md5(auth_cookiesalt().$media), 0, 6) !== $INPUT->str('hash')) {
+ return array(412, 'Precondition Failed');
+ }
+ //handle external images
+ if(strncmp($MIME, 'image/', 6) == 0) $file = media_get_from_URL($media, $EXT, $CACHE);
+ if(!$file) {
+ //download failed - redirect to original URL
+ return array(302, $media);
+ }
+ } else {
+ $media = cleanID($media);
+ if(empty($media)) {
+ return array(400, 'Bad request');
+ }
+ // check token for resized images
+ if (($width || $height) && media_get_token($media, $width, $height) !== $INPUT->str('tok')) {
+ return array(412, 'Precondition Failed');
+ }
+
+ //check permissions (namespace only)
+ if(auth_quickaclcheck(getNS($media).':X') < AUTH_READ) {
+ return array(403, 'Forbidden');
+ }
+ $file = mediaFN($media, $rev);
+ }
+
+ //check file existance
+ if(!@file_exists($file)) {
+ return array(404, 'Not Found');
+ }
+
+ return array(200, null);
+}
+
+/**
+ * Returns the wanted cachetime in seconds
+ *
+ * Resolves named constants
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function calc_cache($cache) {
+ global $conf;
+
+ if(strtolower($cache) == 'nocache') return 0; //never cache
+ if(strtolower($cache) == 'recache') return $conf['cachetime']; //use standard cache
+ return -1; //cache endless
+}
diff --git a/lib/exe/fetch.php b/lib/exe/fetch.php
index 48aa22fe2..7a2250373 100644
--- a/lib/exe/fetch.php
+++ b/lib/exe/fetch.php
@@ -7,12 +7,17 @@
*/
if(!defined('DOKU_INC')) define('DOKU_INC', dirname(__FILE__).'/../../');
-define('DOKU_DISABLE_GZIP_OUTPUT', 1);
+if (!defined('DOKU_DISABLE_GZIP_OUTPUT')) define('DOKU_DISABLE_GZIP_OUTPUT', 1);
require_once(DOKU_INC.'inc/init.php');
session_write_close(); //close session
-// BEGIN main (if not testing)
-if(!defined('SIMPLE_TEST')) {
+require_once(DOKU_INC.'inc/fetch.functions.php');
+
+if (defined('SIMPLE_TEST')) {
+ $INPUT = new Input();
+}
+
+// BEGIN main
$mimetypes = getMimeTypes();
//get input
@@ -64,6 +69,7 @@ if(!defined('SIMPLE_TEST')) {
// die on errors
if($data['status'] > 203) {
print $data['statusmessage'];
+ if (defined('SIMPLE_TEST')) return;
exit;
}
}
@@ -87,152 +93,6 @@ if(!defined('SIMPLE_TEST')) {
// Do something after the download finished.
$evt->advise_after(); // will not be emitted on 304 or x-sendfile
-}// END DO main
-
-/* ------------------------------------------------------------------------ */
-
-/**
- * Set headers and send the file to the client
- *
- * The $cache parameter influences how long files may be kept in caches, the $public parameter
- * influences if this caching may happen in public proxis or in the browser cache only FS#2734
- *
- * This function will abort the current script when a 304 is sent or file sending is handled
- * through x-sendfile
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- * @author Ben Coburn <btcoburn@silicodon.net>
- * @param string $file local file to send
- * @param string $mime mime type of the file
- * @param bool $dl set to true to force a browser download
- * @param int $cache remaining cache time in seconds (-1 for $conf['cache'], 0 for no-cache)
- * @param bool $public is this a public ressource or a private one?
- */
-function sendFile($file, $mime, $dl, $cache, $public = false) {
- global $conf;
- // send mime headers
- header("Content-Type: $mime");
-
- // calculate cache times
- if($cache == -1) {
- $maxage = max($conf['cachetime'], 3600); // cachetime or one hour
- $expires = time() + $maxage;
- } else if($cache > 0) {
- $maxage = $cache; // given time
- $expires = time() + $maxage;
- } else { // $cache == 0
- $maxage = 0;
- $expires = 0; // 1970-01-01
- }
-
- // smart http caching headers
- if($maxage) {
- if($public) {
- // cache publically
- header('Expires: '.gmdate("D, d M Y H:i:s", $expires).' GMT');
- header('Cache-Control: public, proxy-revalidate, no-transform, max-age='.$maxage);
- header('Pragma: public');
- } else {
- // cache in browser
- header('Expires: '.gmdate("D, d M Y H:i:s", $expires).' GMT');
- header('Cache-Control: private, no-transform, max-age='.$maxage);
- header('Pragma: no-cache');
- }
- } else {
- // no cache at all
- header('Expires: Thu, 01 Jan 1970 00:00:00 GMT');
- header('Cache-Control: no-cache, no-transform');
- header('Pragma: no-cache');
- }
-
- //send important headers first, script stops here if '304 Not Modified' response
- $fmtime = @filemtime($file);
- http_conditionalRequest($fmtime);
-
- //download or display?
- if($dl) {
- header('Content-Disposition: attachment; filename="'.utf8_basename($file).'";');
- } else {
- header('Content-Disposition: inline; filename="'.utf8_basename($file).'";');
- }
-
- //use x-sendfile header to pass the delivery to compatible webservers
- if(http_sendfile($file)) exit;
-
- // send file contents
- $fp = @fopen($file, "rb");
- if($fp) {
- http_rangeRequest($fp, filesize($file), $mime);
- } else {
- http_status(500);
- print "Could not read $file - bad permissions?";
- }
-}
-
-/**
- * Check for media for preconditions and return correct status code
- *
- * READ: MEDIA, MIME, EXT, CACHE
- * WRITE: MEDIA, FILE, array( STATUS, STATUSMESSAGE )
- *
- * @author Gerry Weissbach <gerry.w@gammaproduction.de>
- * @param $media reference to the media id
- * @param $file reference to the file variable
- * @returns array(STATUS, STATUSMESSAGE)
- */
-function checkFileStatus(&$media, &$file, $rev = '', $width=0, $height=0) {
- global $MIME, $EXT, $CACHE, $INPUT;
-
- //media to local file
- if(preg_match('#^(https?)://#i', $media)) {
- //check hash
- if(substr(md5(auth_cookiesalt().$media), 0, 6) !== $INPUT->str('hash')) {
- return array(412, 'Precondition Failed');
- }
- //handle external images
- if(strncmp($MIME, 'image/', 6) == 0) $file = media_get_from_URL($media, $EXT, $CACHE);
- if(!$file) {
- //download failed - redirect to original URL
- return array(302, $media);
- }
- } else {
- $media = cleanID($media);
- if(empty($media)) {
- return array(400, 'Bad request');
- }
- // check token for resized images
- if (($width || $height) && media_get_token($media, $width, $height) !== $INPUT->str('tok')) {
- return array(412, 'Precondition Failed');
- }
-
- //check permissions (namespace only)
- if(auth_quickaclcheck(getNS($media).':X') < AUTH_READ) {
- return array(403, 'Forbidden');
- }
- $file = mediaFN($media, $rev);
- }
-
- //check file existance
- if(!@file_exists($file)) {
- return array(404, 'Not Found');
- }
-
- return array(200, null);
-}
-
-/**
- * Returns the wanted cachetime in seconds
- *
- * Resolves named constants
- *
- * @author Andreas Gohr <andi@splitbrain.org>
- */
-function calc_cache($cache) {
- global $conf;
-
- if(strtolower($cache) == 'nocache') return 0; //never cache
- if(strtolower($cache) == 'recache') return $conf['cachetime']; //use standard cache
- return -1; //cache endless
-}
+// END DO main
//Setup VIM: ex: et ts=2 :
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 08:30:00 +0000