120 lines
No EOL
2.6 KiB
PHP
120 lines
No EOL
2.6 KiB
PHP
<?php
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function photo_init(&$a) {
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switch($a->argc) {
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case 3:
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$person = $a->argv[2];
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$type = $a->argv[1];
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break;
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case 2:
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$photo = $a->argv[1];
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break;
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case 1:
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default:
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killme();
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return; // NOTREACHED
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}
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if(x($type)) {
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switch($type) {
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case 'profile':
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$resolution = 4;
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break;
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case 'avatar':
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default:
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$resolution = 5;
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break;
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}
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$uid = str_replace('.jpg', '', $person);
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$r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1",
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intval($resolution),
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intval($uid)
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);
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if(count($r)) {
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$data = $r[0]['data'];
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}
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if(x($data) === false) {
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$data = file_get_contents(($resolution == 5)
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? 'images/default-profile-sm.jpg'
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: 'images/default-profile.jpg');
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}
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}
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else {
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$resolution = 0;
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$photo = str_replace('.jpg','',$photo);
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if(substr($photo,-2,1) == '-') {
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$resolution = intval(substr($photo,-1,1));
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$photo = substr($photo,0,-2);
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}
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$r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
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dbesc($photo),
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intval($resolution)
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);
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if(count($r)) {
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$owner = $r[0]['uid'];
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$sql_extra = " AND `allow_cid` = '' AND `allow_gid` = '' AND `deny_cid` = '' AND `deny_gid` = '' ";
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if(local_user() && ($owner == $_SESSION['uid'])) {
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// Owner can always see his/her photos
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$sql_extra = '';
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}
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elseif(remote_user()) {
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// authenticated visitor - here lie dragons
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$groups = init_groups_visitor($_SESSION['visitor_id']);
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$gs = '<<>>'; // should be impossible to match
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if(count($groups)) {
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foreach($groups as $g)
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$gs .= '|<' . intval($g) . '>';
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}
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$sql_extra = sprintf(
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" AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
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AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
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AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
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AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s') ",
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intval($_SESSION['visitor_id']),
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intval($_SESSION['visitor_id']),
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dbesc($gs),
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dbesc($gs)
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);
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}
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// Now we'll see if we can access the photo
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$r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d $sql_extra LIMIT 1",
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dbesc($photo),
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intval($resolution)
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);
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if(count($r)) {
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$data = $r[0]['data'];
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}
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}
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}
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if(x($data) === false) {
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killme();
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return; // NOTREACHED
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}
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header("Content-type: image/jpeg");
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header('Expires: ' . datetime_convert('UTC','UTC', 'now + 3 months', 'D, d M Y H:i:s' . ' GMT'));
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// header("Cache-Control: max-age=36000, only-if-cached");
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echo $data;
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killme();
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return; //NOTREACHED
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} |