<?php
-require_once('include/security.php');
-
-function photo_init(&$a) {
-
- // To-Do:
- // - checking with realpath
- // - checking permissions
- /*
- $cache = get_config('system','itemcache');
- if (($cache != '') and is_dir($cache)) {
- $cachefile = $cache."/".$a->argc."-".$a->argv[1]."-".$a->argv[2]."-".$a->argv[3];
- if (file_exists($cachefile)) {
- $data = file_get_contents($cachefile);
-
- if(function_exists('header_remove')) {
- header_remove('Pragma');
- header_remove('pragma');
- }
+/**
+ * @file mod/photo.php
+ */
+use Friendica\App;
+use Friendica\Database\DBM;
+use Friendica\Object\Image;
- header("Content-type: image/jpeg");
- header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
- header("Cache-Control: max-age=" . (3600*24));
- echo $data;
- killme();
- // NOTREACHED
- }
- }*/
+require_once 'include/security.php';
+
+function photo_init(App $a)
+{
+ global $_SERVER;
$prvcachecontrol = false;
+ $file = "";
- switch($a->argc) {
+ switch ($a->argc) {
case 4:
$person = $a->argv[3];
$customres = intval($a->argv[2]);
break;
case 2:
$photo = $a->argv[1];
+ $file = $photo;
break;
case 1:
default:
// NOTREACHED
}
- $default = 'images/person-175.jpg';
-
- if(isset($type)) {
-
-
- /**
- * Profile photos
- */
+ if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
+ header('HTTP/1.1 304 Not Modified');
+ header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
+ if (!empty($_SERVER['HTTP_IF_NONE_MATCH'])) {
+ header('Etag: ' . $_SERVER['HTTP_IF_NONE_MATCH']);
+ }
+ header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
+ header("Cache-Control: max-age=31536000");
+ if (function_exists('header_remove')) {
+ header_remove('Last-Modified');
+ header_remove('Expires');
+ header_remove('Cache-Control');
+ }
+ exit;
+ }
- switch($type) {
+ $default = 'images/person-175.jpg';
+ $public = true;
+ if (isset($type)) {
+ // Profile photos
+ switch ($type) {
case 'profile':
case 'custom':
$resolution = 4;
break;
}
- $uid = str_replace('.jpg', '', $person);
+ $uid = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $person);
+
+ foreach (Image::supportedTypes() AS $m => $e) {
+ $uid = str_replace('.' . $e, '', $uid);
+ }
$r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1",
intval($resolution),
intval($uid)
);
- if(count($r)) {
+ if (DBM::is_result($r)) {
$data = $r[0]['data'];
+ $mimetype = $r[0]['type'];
}
- if(! isset($data)) {
+ if (empty($data)) {
$data = file_get_contents($default);
+ $mimetype = 'image/jpeg';
}
- }
- else {
+ } else {
+ // Other photos
+ $resolution = 0;
+ $photo = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $photo);
- /**
- * Other photos
- */
+ foreach (Image::supportedTypes() AS $m => $e) {
+ $photo = str_replace('.' . $e, '', $photo);
+ }
- $resolution = 0;
- $photo = str_replace('.jpg','',$photo);
-
- if(substr($photo,-2,1) == '-') {
- $resolution = intval(substr($photo,-1,1));
- $photo = substr($photo,0,-2);
+ if (substr($photo, -2, 1) == '-') {
+ $resolution = intval(substr($photo, -1, 1));
+ $photo = substr($photo, 0, -2);
}
- $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
+ // check if the photo exists and get the owner of the photo
+ $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
dbesc($photo),
intval($resolution)
);
- if(count($r)) {
-
+ if (DBM::is_result($r)) {
$sql_extra = permissions_sql($r[0]['uid']);
// Now we'll see if we can access the photo
-
- $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d $sql_extra LIMIT 1",
+ $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` <= %d $sql_extra ORDER BY scale DESC LIMIT 1",
dbesc($photo),
intval($resolution)
);
-
- if(count($r)) {
+ if (DBM::is_result($r)) {
+ $resolution = $r[0]['scale'];
$data = $r[0]['data'];
- }
- else {
-
- // Does the picture exist? It may be a remote person with no credentials,
- // but who should otherwise be able to view it. Show a default image to let
- // them know permissions was denied. It may be possible to view the image
- // through an authenticated profile visit.
- // There won't be many completely unauthorised people seeing this because
- // they won't have the photo link, so there's a reasonable chance that the person
- // might be able to obtain permission to view it.
-
- $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
- dbesc($photo),
- intval($resolution)
- );
- if(count($r)) {
- $data = file_get_contents('images/nosign.jpg');
- $prvcachecontrol = true;
- }
+ $mimetype = $r[0]['type'];
+ $public = $r[0]['allow_cid'] == '' && $r[0]['allow_gid'] == '' && $r[0]['deny_cid'] == '' && $r[0]['deny_gid'] == '';
+ } else {
+ // The picure exists. We already checked with the first query.
+ // obviously, this is not an authorized viev!
+ $data = file_get_contents('images/nosign.jpg');
+ $mimetype = 'image/jpeg';
+ $prvcachecontrol = true;
+ $public = false;
}
}
}
- if(! isset($data)) {
- if(isset($resolution)) {
- switch($resolution) {
-
+ if (empty($data)) {
+ if (isset($resolution)) {
+ switch ($resolution) {
case 4:
$data = file_get_contents('images/person-175.jpg');
+ $mimetype = 'image/jpeg';
break;
case 5:
$data = file_get_contents('images/person-80.jpg');
+ $mimetype = 'image/jpeg';
break;
case 6:
$data = file_get_contents('images/person-48.jpg');
+ $mimetype = 'image/jpeg';
break;
default:
killme();
}
}
- if(isset($customres) && $customres > 0 && $customres < 500) {
- require_once('include/Photo.php');
- $ph = new Photo($data);
- if($ph->is_valid()) {
- $ph->scaleImageSquare($customres);
- $data = $ph->imageString();
+ // Resize only if its not a GIF and it is supported by the library
+ if ($mimetype != "image/gif" && in_array($mimetype, Image::supportedTypes())) {
+ $Image = new Image($data, $mimetype);
+ if ($Image->isValid()) {
+ if (isset($customres) && $customres > 0 && $customres < 500) {
+ $Image->scaleToSquare($customres);
+ }
+ $data = $Image->asString();
+ $mimetype = $Image->getType();
}
}
- // Writing in cachefile
- if (isset($cachefile) && $cachefile != '')
- file_put_contents($cachefile, $data);
-
- if(function_exists('header_remove')) {
+ if (function_exists('header_remove')) {
header_remove('Pragma');
header_remove('pragma');
}
- header("Content-type: image/jpeg");
-
- if($prvcachecontrol) {
+ header("Content-type: " . $mimetype);
+ if ($prvcachecontrol) {
// it is a private photo that they have no permission to view.
// tell the browser not to cache it, in case they authenticate
// and subsequently have permission to see it
-
header("Cache-Control: no-store, no-cache, must-revalidate");
-
+ } else {
+ header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
+ header('Etag: "' . md5($data) . '"');
+ header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
+ header("Cache-Control: max-age=31536000");
}
- else {
+ echo $data;
- header("Expires: " . gmdate("D, d M Y H:i:s", time() + (3600*24)) . " GMT");
- header("Cache-Control: max-age=" . (3600*24));
+ // If the photo is public and there is an existing photo directory store the photo there
+ if ($public and $file != '') {
+ // If the photo path isn't there, try to create it
+ $basepath = $a->get_basepath();
+ if (!is_dir($basepath . "/photo")) {
+ if (is_writable($basepath)) {
+ mkdir($basepath . "/photo");
+ }
+ }
+ if (is_dir($basepath . "/photo")) {
+ file_put_contents($basepath . "/photo/" . $file, $data);
+ }
}
- echo $data;
+
killme();
// NOTREACHED
}
projects / friendica.git / blobdiff