<?php
+require_once('include/security.php');
+require_once('include/Photo.php');
+
function photo_init(&$a) {
+ global $_SERVER;
+
+ $prvcachecontrol = false;
+ $file = "";
switch($a->argc) {
+ case 4:
+ $person = $a->argv[3];
+ $customres = intval($a->argv[2]);
+ $type = $a->argv[1];
+ break;
case 3:
$person = $a->argv[2];
$type = $a->argv[1];
break;
case 2:
$photo = $a->argv[1];
+ $file = $photo;
break;
case 1:
default:
killme();
- return; // NOTREACHED
+ // NOTREACHED
}
- if(x($type)) {
+ // strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= filemtime($localFileName)) {
+ if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
+ header('HTTP/1.1 304 Not Modified');
+ header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
+ header('Etag: '.$_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;
+ }
+
+ $default = 'images/person-175.jpg';
+
+ if(isset($type)) {
+
+
+ /**
+ * Profile photos
+ */
+
switch($type) {
case 'profile':
+ case 'custom':
$resolution = 4;
break;
+ case 'micro':
+ $resolution = 6;
+ $default = 'images/person-48.jpg';
+ break;
case 'avatar':
default:
$resolution = 5;
+ $default = 'images/person-80.jpg';
break;
}
- $uid = str_replace('.jpg', '', $person);
+ $uid = str_replace(array('.jpg','.png'),array('',''), $person);
$r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1",
intval($resolution),
);
if(count($r)) {
$data = $r[0]['data'];
+ $mimetype = $r[0]['type'];
}
- if(x($data) === false) {
- $data = file_get_contents(($resolution == 5)
- ? 'images/default-profile-sm.jpg'
- : 'images/default-profile.jpg');
+ if(! isset($data)) {
+ $data = file_get_contents($default);
+ $mimetype = 'image/jpeg';
}
}
else {
+ /**
+ * Other photos
+ */
+
$resolution = 0;
- $photo = str_replace('.jpg','',$photo);
-
+ foreach( Photo::supportedTypes() as $m=>$e){
+ $photo = str_replace(".$e",'',$photo);
+ }
+
if(substr($photo,-2,1) == '-') {
$resolution = intval(substr($photo,-1,1));
$photo = substr($photo,0,-2);
intval($resolution)
);
if(count($r)) {
-
- $owner = $r[0]['uid'];
-
- $sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' ";
-
- if(local_user() && ($owner == $_SESSION['uid'])) {
- // Owner can always see his/her photos
- $sql_extra = '';
-
- }
- elseif(remote_user()) {
-
- // authenticated visitor - here lie dragons
-
- $groups = init_groups_visitor($_SESSION['visitor_id']);
- $gs = '<<>>'; // should be impossible to match
- if(count($groups)) {
- foreach($groups as $g)
- $gs .= '|<' . intval($g) . '>';
- }
-
- $sql_extra = sprintf(
- " AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
- AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
- AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
- AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s') ",
-
- intval($_SESSION['visitor_id']),
- intval($_SESSION['visitor_id']),
- dbesc($gs),
- dbesc($gs)
- );
- }
+ $sql_extra = permissions_sql($r[0]['uid']);
// Now we'll see if we can access the photo
intval($resolution)
);
+ $public = ($r[0]['allow_cid'] == '') AND ($r[0]['allow_gid'] == '') AND ($r[0]['deny_cid'] == '') AND ($r[0]['deny_gid'] == '');
+
if(count($r)) {
$data = $r[0]['data'];
+ $mimetype = $r[0]['type'];
+ }
+ 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');
+ $mimetype = 'image/jpeg';
+ $prvcachecontrol = true;
+ }
+ }
+ }
+ }
+
+ if(! isset($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');
+ $mimetype = 'image/jpeg';
+ break;
+ default:
+ killme();
+ // NOTREACHED
+ break;
}
}
}
- if(x($data) === false) {
- killme();
- return; // NOTREACHED
+ // Resize only if its not a GIF
+ if ($mime != "image/gif") {
+ $ph = new Photo($data, $mimetype);
+ if($ph->is_valid()) {
+ if(isset($customres) && $customres > 0 && $customres < 500) {
+ $ph->scaleImageSquare($customres);
+ }
+ $data = $ph->imageString();
+ $mimetype = $ph->getType();
+ }
+ }
+
+ if(function_exists('header_remove')) {
+ header_remove('Pragma');
+ header_remove('pragma');
+ }
+
+ header("Content-type: ".$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");
+ }
+ echo $data;
+
+ // If the photo is public and there is an existing photo directory store the photo there
+ if ($public and ($file != "")) {
+ // If the photo path isn't there, try to create it
+ if (!is_dir($_SERVER["DOCUMENT_ROOT"]."/photo"))
+ if (is_writable($_SERVER["DOCUMENT_ROOT"]))
+ mkdir($_SERVER["DOCUMENT_ROOT"]."/photo");
+
+ if (is_dir($_SERVER["DOCUMENT_ROOT"]."/photo"))
+ file_put_contents($_SERVER["DOCUMENT_ROOT"]."/photo/".$file, $data);
}
- header("Content-type: image/jpeg");
- header('Expires: ' . datetime_convert('UTC','UTC', 'now + 30 minutes', 'D, d M Y H:i:s' . ' GMT'));
- header('Expires: ' . datetime_convert('UTC','UTC', 'now + 30 minutes', 'D, d M Y H:i:s' . ' GMT'));
- header("Cache-Control: max-age=3600, must-revalidate");
- echo $data;
killme();
- return; //NOTREACHED
-}
\ No newline at end of file
+ // NOTREACHED
+}
projects / friendica.git / blobdiff