cache result of (expensive) security check for visitor rights
begin tightening x-profile security
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041933db87
commit
4d84a87ce4
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@ -2,8 +2,11 @@
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function can_write_wall(&$a,$owner) {
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static $verified = 0;
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if((! (local_user())) && (! (remote_user())))
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return false;
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$uid = local_user();
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if(($uid) && ($uid == $owner)) {
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@ -11,6 +14,15 @@ function can_write_wall(&$a,$owner) {
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}
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if(remote_user()) {
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// user remembered decision and avoid a DB lookup for each and every display item
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// DO NOT use this function if there are going to be multiple owners
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if($verified === 2)
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return true;
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elseif($verified === 1)
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return false;
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else {
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$r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` LEFT JOIN `user` on `user`.`uid` = `contact`.`uid`
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WHERE `contact`.`uid` = %d AND `contact`.`id` = %d AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
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AND `readonly` = 0 AND ( `contact`.`rel` IN ( %d , %d ) OR `user`.`page-flags` = %d ) LIMIT 1",
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@ -20,11 +32,15 @@ function can_write_wall(&$a,$owner) {
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intval(REL_BUD),
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intval(PAGE_COMMUNITY)
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);
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}
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if(count($r))
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if(count($r)) {
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$verified = 2;
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return true;
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}
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else {
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$verified = 1;
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}
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}
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}
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return false;
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}
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@ -10,6 +10,7 @@ function dfrn_poll_init(&$a) {
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$type = ((x($_GET,'type')) ? $_GET['type'] : '');
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$last_update = ((x($_GET,'last_update')) ? $_GET['last_update'] : '');
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$destination_url = ((x($_GET,'destination_url')) ? $_GET['destination_url'] : '');
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$sec = ((x($_GET,'sec')) ? intval($_GET['sec']) : 0);
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$dfrn_version = ((x($_GET,'dfrn_version')) ? (float) $_GET['dfrn_version'] : 0);
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@ -212,18 +213,11 @@ function dfrn_poll_post(&$a) {
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function dfrn_poll_content(&$a) {
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$dfrn_id = '';
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$type = 'data';
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if(x($_GET,'dfrn_id'))
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$dfrn_id = $_GET['dfrn_id'];
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if(x($_GET,'type'))
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$type = $_GET['type'];
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if(x($_GET,'last_update'))
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$last_update = $_GET['last_update'];
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$dfrn_version = (float) $_GET['dfrn_version'];
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$dfrn_id = ((x($_GET,'dfrn_id')) ? $_GET['dfrn_id'] : '');
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$type = ((x($_GET,'type')) ? $_GET['type'] : 'data');
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$last_update = ((x($_GET,'last_update')) ? $_GET['last_update'] : '');
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$dfrn_version = ((x($_GET,'dfrn_version')) ? (float) $_GET['dfrn_version'] : 2.0);
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$sec = ((x($_GET,'sec')) ? intval($_GET['sec']) : 0);
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$direction = (-1);
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if(strpos($dfrn_id,':') == 1) {
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@ -249,7 +243,6 @@ function dfrn_poll_content(&$a) {
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dbesc($last_update)
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);
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$sql_extra = '';
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switch($direction) {
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case (-1):
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@ -269,9 +262,6 @@ function dfrn_poll_content(&$a) {
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break; // NOTREACHED
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}
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$r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 $sql_extra LIMIT 1");
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if(count($r)) {
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@ -296,6 +286,7 @@ function dfrn_poll_content(&$a) {
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else {
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$status = 1;
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}
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header("Content-type: text/xml");
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echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
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. '<dfrn_poll>' . "\r\n"
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@ -27,6 +27,6 @@ function redir_init(&$a) {
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dbesc($dfrn_id),
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intval(time() + 45));
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goaway ($r[0]['poll'] . '?dfrn_id=' . $dfrn_id
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. '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile');
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. '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=1');
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}
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