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-rw-r--r--include/zot.php129
1 files changed, 98 insertions, 31 deletions
diff --git a/include/zot.php b/include/zot.php
index 77d82f110..c9d426cc2 100644
--- a/include/zot.php
+++ b/include/zot.php
@@ -79,12 +79,12 @@ function zot_get_hublocs($hash) {
* zot it to the other side
*
* @param array $channel => sender channel structure
- * @param string $type => packet type: one of 'ping', 'pickup', 'purge', 'refresh', 'notify', 'auth_check'
+ * @param string $type => packet type: one of 'ping', 'pickup', 'purge', 'refresh', 'force_refresh', 'notify', 'auth_check'
* @param array $recipients => envelope information, array ( 'guid' => string, 'guid_sig' => string ); empty for public posts
* @param string $remote_key => optional public site key of target hub used to encrypt entire packet
* NOTE: remote_key and encrypted packets are required for 'auth_check' packets, optional for all others
* @param string $secret => random string, required for packets which require verification/callback
- * e.g. 'pickup', 'purge', 'notify', 'auth_check' --- 'ping' and 'refresh' do not require verification
+ * e.g. 'pickup', 'purge', 'notify', 'auth_check'. Packet types 'ping', 'force_refresh', and 'refresh' do not require verification
*
* @returns string json encoded zot packet
*/
@@ -228,7 +228,7 @@ function zot_finger($webbie,$channel,$autofallback = true) {
}
/**
- * @function: zot_refresh($them, $channel = null)
+ * @function: zot_refresh($them, $channel = null, $force = false)
*
* zot_refresh is typically invoked when somebody has changed permissions of a channel and they are notified
* to fetch new permissions via a finger/discovery operation. This may result in a new connection
@@ -251,7 +251,7 @@ function zot_finger($webbie,$channel,$autofallback = true) {
* @returns boolean true if successful, else false
*/
-function zot_refresh($them,$channel = null) {
+function zot_refresh($them,$channel = null, $force = false) {
logger('zot_refresh: them: ' . print_r($them,true), LOGGER_DATA);
if($channel)
@@ -305,7 +305,7 @@ function zot_refresh($them,$channel = null) {
return false;
}
- $x = import_xchan($j);
+ $x = import_xchan($j,(($force) ? (-1) : 1));
if(! $x['success'])
return false;
@@ -518,12 +518,15 @@ function zot_register_hub($arr) {
/**
* @function import_xchan($arr,$ud_flags = 1)
- * Takes an associative array of a fecthed discovery packet and updates
+ * Takes an associative array of a fetched discovery packet and updates
* all internal data structures which need to be updated as a result.
*
* @param array $arr => json_decoded discovery packet
* @param int $ud_flags
* Determines whether to create a directory update record if any changes occur, default 1 or true
+ * $ud_flags = (-1) indicates a forced refresh where we unconditionally create a directory update record
+ * this typically occurs once a month for each channel as part of a scheduled ping to notify the directory
+ * that the channel still exists
*
* @returns array => 'success' (boolean true or false)
* 'message' (optional error string only if success is false)
@@ -885,7 +888,7 @@ function import_xchan($arr,$ud_flags = 1) {
}
}
- if($changed) {
+ if(($changed) || ($ud_flags == (-1))) {
$guid = random_string() . '@' . get_app()->get_hostname();
update_modtime($xchan_hash,$guid,$arr['address'],$ud_flags);
logger('import_xchan: changed: ' . $what,LOGGER_DEBUG);
@@ -1061,7 +1064,9 @@ function zot_import($arr, $sender_url) {
}
stringify_array_elms($recip_arr);
$recips = implode(',',$recip_arr);
- $r = q("select channel_hash as hash from channel where channel_hash in ( " . $recips . " ) ");
+ $r = q("select channel_hash as hash from channel where channel_hash in ( " . $recips . " ) and not ( channel_pageflags & %d ) ",
+ intval(PAGE_REMOVED)
+ );
if(! $r) {
logger('recips: no recipients on this site');
continue;
@@ -1219,8 +1224,7 @@ function public_recips($msg) {
if(! $r)
$r = array();
- $x = q("select channel_hash as hash from channel left join abook on abook_channel = channel_id where abook_xchan = '%s'
- and (( " . $col . " & " . PERMS_SPECIFIC . " ) and ( abook_my_perms & " . $field . " )) OR ( " . $col . " & " . PERMS_CONTACTS . " ) ",
+ $x = q("select channel_hash as hash from channel left join abook on abook_channel = channel_id where abook_xchan = '%s' and not ( channel_pageflags & " . PAGE_REMOVED . " ) and (( " . $col . " & " . PERMS_SPECIFIC . " ) and ( abook_my_perms & " . $field . " )) OR ( " . $col . " & " . PERMS_CONTACTS . " ) ",
dbesc($msg['notify']['sender']['hash'])
);
@@ -1301,8 +1305,9 @@ function allowed_public_recips($msg) {
$condensed_recips[] = $rr['hash'];
$results = array();
- $r = q("select channel_hash as hash from channel left join abook on abook_channel = channel_id where abook_xchan = '%s' ",
- dbesc($hash)
+ $r = q("select channel_hash as hash from channel left join abook on abook_channel = channel_id where abook_xchan = '%s' and not ( channel_pageflags & %d ) ",
+ dbesc($hash),
+ intval(PAGE_REMOVED)
);
if($r) {
foreach($r as $rr)
@@ -1367,8 +1372,10 @@ function process_delivery($sender,$arr,$deliveries,$relay) {
// remove_community_tag is a no-op if this isn't a community tag activity
remove_community_tag($sender,$arr,$channel['channel_id']);
+
+
$item_id = delete_imported_item($sender,$arr,$channel['channel_id']);
- $result[] = array($d['hash'],'deleted',$channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>');
+ $result[] = array($d['hash'],(($item_id) ? 'deleted' : 'delete_failed'),$channel['channel_name'] . ' <' . $channel['channel_address'] . '@' . get_app()->get_hostname() . '>');
if($relay && $item_id) {
logger('process_delivery: invoking relay');
@@ -1384,7 +1391,7 @@ function process_delivery($sender,$arr,$deliveries,$relay) {
if((x($arr,'obj_type')) && (activity_match($arr['obj_type'],ACTIVITY_OBJ_EVENT))) {
require_once('include/event.php');
$ev = bbtoevent($arr['body']);
- if(x($ev,'desc') && x($ev,'start')) {
+ if(x($ev,'desc') && x($ev,'start')) {
$ev['event_xchan'] = $arr['author_xchan'];
$ev['uid'] = $channel['channel_id'];
$ev['account'] = $channel['channel_account_id'];
@@ -1524,10 +1531,11 @@ function delete_imported_item($sender,$item,$uid) {
logger('delete_imported_item invoked',LOGGER_DEBUG);
- $r = q("select id from item where ( author_xchan = '%s' or owner_xchan = '%s' )
+ $r = q("select id, item_restrict from item where ( author_xchan = '%s' or owner_xchan = '%s' or source_xchan = '%s' )
and mid = '%s' and uid = %d limit 1",
dbesc($sender['hash']),
dbesc($sender['hash']),
+ dbesc($sender['hash']),
dbesc($item['mid']),
intval($uid)
);
@@ -1536,9 +1544,17 @@ function delete_imported_item($sender,$item,$uid) {
logger('delete_imported_item: failed: ownership issue');
return false;
}
+
+ if($r[0]['item_restrict'] & ITEM_DELETED) {
+ logger('delete_imported_item: item was already deleted');
+ return false;
+ }
require_once('include/items.php');
drop_item($r[0]['id'],false);
+
+ tag_deliver($uid,$r[0]['id']);
+
return $r[0]['id'];
}
@@ -1633,22 +1649,26 @@ function import_directory_profile($hash,$profile,$addr,$ud_flags = 1, $suppress_
$arr = array();
$arr['xprof_hash'] = $hash;
- $arr['xprof_desc'] = (($profile['description']) ? htmlentities($profile['description'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_desc'] = (($profile['description']) ? htmlspecialchars($profile['description'], ENT_COMPAT,'UTF-8',false) : '');
$arr['xprof_dob'] = datetime_convert('','',$profile['birthday'],'Y-m-d'); // !!!! check this for 0000 year
$arr['xprof_age'] = (($profile['age']) ? intval($profile['age']) : 0);
- $arr['xprof_gender'] = (($profile['gender']) ? htmlentities($profile['gender'], ENT_COMPAT,'UTF-8',false) : '');
- $arr['xprof_marital'] = (($profile['marital']) ? htmlentities($profile['marital'], ENT_COMPAT,'UTF-8',false) : '');
- $arr['xprof_sexual'] = (($profile['sexual']) ? htmlentities($profile['sexual'], ENT_COMPAT,'UTF-8',false) : '');
- $arr['xprof_locale'] = (($profile['locale']) ? htmlentities($profile['locale'], ENT_COMPAT,'UTF-8',false) : '');
- $arr['xprof_region'] = (($profile['region']) ? htmlentities($profile['region'], ENT_COMPAT,'UTF-8',false) : '');
- $arr['xprof_postcode'] = (($profile['postcode']) ? htmlentities($profile['postcode'], ENT_COMPAT,'UTF-8',false) : '');
- $arr['xprof_country'] = (($profile['country']) ? htmlentities($profile['country'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_gender'] = (($profile['gender']) ? htmlspecialchars($profile['gender'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_marital'] = (($profile['marital']) ? htmlspecialchars($profile['marital'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_sexual'] = (($profile['sexual']) ? htmlspecialchars($profile['sexual'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_locale'] = (($profile['locale']) ? htmlspecialchars($profile['locale'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_region'] = (($profile['region']) ? htmlspecialchars($profile['region'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_postcode'] = (($profile['postcode']) ? htmlspecialchars($profile['postcode'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_country'] = (($profile['country']) ? htmlspecialchars($profile['country'], ENT_COMPAT,'UTF-8',false) : '');
+
+ $arr['xprof_about'] = (($profile['about']) ? htmlspecialchars($profile['about'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_homepage'] = (($profile['homepage']) ? htmlspecialchars($profile['homepage'], ENT_COMPAT,'UTF-8',false) : '');
+ $arr['xprof_hometown'] = (($profile['hometown']) ? htmlspecialchars($profile['hometown'], ENT_COMPAT,'UTF-8',false) : '');
$clean = array();
if(array_key_exists('keywords',$profile) and is_array($profile['keywords'])) {
import_directory_keywords($hash,$profile['keywords']);
foreach($profile['keywords'] as $kw) {
- $kw = trim(htmlentities($kw,ENT_COMPAT,'UTF-8',false));
+ $kw = trim(htmlspecialchars($kw,ENT_COMPAT,'UTF-8',false));
$kw = trim($kw,',');
$clean[] = $kw;
}
@@ -1692,6 +1712,9 @@ function import_directory_profile($hash,$profile,$addr,$ud_flags = 1, $suppress_
xprof_region = '%s',
xprof_postcode = '%s',
xprof_country = '%s',
+ xprof_about = '%s',
+ xprof_homepage = '%s',
+ xprof_hometown = '%s',
xprof_keywords = '%s'
where xprof_hash = '%s' limit 1",
dbesc($arr['xprof_desc']),
@@ -1704,6 +1727,9 @@ function import_directory_profile($hash,$profile,$addr,$ud_flags = 1, $suppress_
dbesc($arr['xprof_region']),
dbesc($arr['xprof_postcode']),
dbesc($arr['xprof_country']),
+ dbesc($arr['xprof_about']),
+ dbesc($arr['xprof_homepage']),
+ dbesc($arr['xprof_hometown']),
dbesc($arr['xprof_keywords']),
dbesc($arr['xprof_hash'])
);
@@ -1712,7 +1738,7 @@ function import_directory_profile($hash,$profile,$addr,$ud_flags = 1, $suppress_
else {
$update = true;
logger('import_directory_profile: new profile');
- $x = q("insert into xprof (xprof_hash, xprof_desc, xprof_dob, xprof_age, xprof_gender, xprof_marital, xprof_sexual, xprof_locale, xprof_region, xprof_postcode, xprof_country, xprof_keywords) values ('%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
+ $x = q("insert into xprof (xprof_hash, xprof_desc, xprof_dob, xprof_age, xprof_gender, xprof_marital, xprof_sexual, xprof_locale, xprof_region, xprof_postcode, xprof_country, xprof_about, xprof_homepage, xprof_hometown, xprof_keywords) values ('%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s') ",
dbesc($arr['xprof_hash']),
dbesc($arr['xprof_desc']),
dbesc($arr['xprof_dob']),
@@ -1724,6 +1750,9 @@ function import_directory_profile($hash,$profile,$addr,$ud_flags = 1, $suppress_
dbesc($arr['xprof_region']),
dbesc($arr['xprof_postcode']),
dbesc($arr['xprof_country']),
+ dbesc($arr['xprof_about']),
+ dbesc($arr['xprof_homepage']),
+ dbesc($arr['xprof_hometown']),
dbesc($arr['xprof_keywords'])
);
}
@@ -1750,7 +1779,7 @@ function import_directory_keywords($hash,$keywords) {
$clean = array();
foreach($keywords as $kw) {
- $kw = trim(htmlentities($kw,ENT_COMPAT,'UTF-8',false));
+ $kw = trim(htmlspecialchars($kw,ENT_COMPAT,'UTF-8',false));
$kw = trim($kw,',');
$clean[] = $kw;
}
@@ -1849,10 +1878,21 @@ function import_site($arr,$pubkey) {
$access_policy = ACCESS_TIERED;
}
- $directory_url = htmlentities($arr['directory_url'],ENT_COMPAT,'UTF-8',false);
- $url = htmlentities($arr['url'],ENT_COMPAT,'UTF-8',false);
- $sellpage = htmlentities($arr['sellpage'],ENT_COMPAT,'UTF-8',false);
- $site_location = htmlentities($arr['location'],ENT_COMPAT,'UTF-8',false);
+ // don't let insecure sites register as public hubs
+
+ if(strpos($arr['url'],'https://') === false)
+ $access_policy = ACCESS_PRIVATE;
+
+ if($access_policy != ACCESS_PRIVATE) {
+ $x = z_fetch_url($arr['url'] . '/siteinfo/json');
+ if(! $x['success'])
+ $access_policy = ACCESS_PRIVATE;
+ }
+
+ $directory_url = htmlspecialchars($arr['directory_url'],ENT_COMPAT,'UTF-8',false);
+ $url = htmlspecialchars($arr['url'],ENT_COMPAT,'UTF-8',false);
+ $sellpage = htmlspecialchars($arr['sellpage'],ENT_COMPAT,'UTF-8',false);
+ $site_location = htmlspecialchars($arr['location'],ENT_COMPAT,'UTF-8',false);
if($exists) {
if(($siterecord['site_flags'] != $site_directory)
@@ -2050,7 +2090,7 @@ function process_channel_sync_delivery($sender,$arr,$deliveries) {
}
if(array_key_exists('channel',$arr) && is_array($arr['channel']) && count($arr['channel'])) {
- $disallowed = array('channel_id','channel_account_id','channel_primary','channel_prvkey', 'channel_address');
+ $disallowed = array('channel_id','channel_account_id','channel_primary','channel_prvkey', 'channel_address', 'channel_notifyflags');
$clean = array();
foreach($arr['channel'] as $k => $v) {
@@ -2073,6 +2113,33 @@ function process_channel_sync_delivery($sender,$arr,$deliveries) {
$clean = array();
foreach($arr['abook'] as $abook) {
+
+ // Perform discovery if the referenced xchan hasn't ever been seen on this hub.
+ // This relies on the undocumented behaviour that red sites send xchan info with the abook
+
+ if($abook['abook_xchan'] && $abook['xchan_address']) {
+ $h = zot_get_hublocs($abook['abook_xchan']);
+ if(! $h) {
+ $f = zot_finger($abook['xchan_address'],$channel);
+ if(! $f['success']) {
+ logger('process_channel_sync_delivery: abook not probe-able' . $abook['xchan_address']);
+ continue;
+ }
+ $j = json_decode($f['body'],true);
+ if(! ($j['success'] && $j['guid'])) {
+ logger('process_channel_sync_delivery: probe failed.');
+ continue;
+ }
+
+ $x = import_xchan($j);
+
+ if(! $x['success']) {
+ logger('process_channel_sync_delivery: import failed.');
+ continue;
+ }
+ }
+ }
+
foreach($abook as $k => $v) {
if(in_array($k,$disallowed) || (strpos($k,'abook') !== 0))
continue;