Friendica Communications Platform
(please note that this is a clone of the repository at github, issues are handled there)
https://friendi.ca
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120 lines
2.6 KiB
120 lines
2.6 KiB
<?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 = $a->argv[1]; |
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break; |
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case 1: |
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default: |
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killme(); |
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return; // NOTREACHED |
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} |
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if(isset($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 = $r[0]['data']; |
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} |
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if(! isset($data)) { |
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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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} |