150 lines
No EOL
3.3 KiB
PHP
150 lines
No EOL
3.3 KiB
PHP
<?php
|
|
|
|
function photo_init(&$a) {
|
|
|
|
switch($a->argc) {
|
|
case 3:
|
|
$person = $a->argv[2];
|
|
$type = $a->argv[1];
|
|
break;
|
|
case 2:
|
|
$photo = $a->argv[1];
|
|
break;
|
|
case 1:
|
|
default:
|
|
killme();
|
|
// NOTREACHED
|
|
}
|
|
|
|
$default = 'images/default-profile.jpg';
|
|
|
|
if(isset($type)) {
|
|
|
|
/**
|
|
* Profile photos
|
|
*/
|
|
|
|
switch($type) {
|
|
|
|
case 'profile':
|
|
$resolution = 4;
|
|
break;
|
|
case 'micro':
|
|
$resolution = 6;
|
|
$default = 'images/default-profile-mm.jpg';
|
|
break;
|
|
case 'avatar':
|
|
default:
|
|
$resolution = 5;
|
|
$default = 'images/default-profile-sm.jpg';
|
|
break;
|
|
}
|
|
|
|
$uid = str_replace('.jpg', '', $person);
|
|
|
|
$r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1",
|
|
intval($resolution),
|
|
intval($uid)
|
|
);
|
|
if(count($r)) {
|
|
$data = $r[0]['data'];
|
|
}
|
|
if(! isset($data)) {
|
|
$data = file_get_contents($default);
|
|
}
|
|
}
|
|
else {
|
|
|
|
/**
|
|
* Other photos
|
|
*/
|
|
|
|
$resolution = 0;
|
|
$photo = str_replace('.jpg','',$photo);
|
|
|
|
if(substr($photo,-2,1) == '-') {
|
|
$resolution = intval(substr($photo,-1,1));
|
|
$photo = substr($photo,0,-2);
|
|
}
|
|
|
|
$r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
|
|
dbesc($photo),
|
|
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)
|
|
);
|
|
}
|
|
|
|
// Now we'll see if we can access the photo
|
|
|
|
$r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d $sql_extra LIMIT 1",
|
|
dbesc($photo),
|
|
intval($resolution)
|
|
);
|
|
|
|
if(count($r)) {
|
|
$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)) {
|
|
$data = file_get_contents('images/nosign.jpg');
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(! isset($data)) {
|
|
killme();
|
|
// NOTREACHED
|
|
}
|
|
|
|
header("Content-type: image/jpeg");
|
|
echo $data;
|
|
killme();
|
|
// NOTREACHED
|
|
} |