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project "snakebite"

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This commit is contained in:
friendica 2014-02-17 16:00:17 -08:00
parent 08b571c9d0
commit b3ce1cd87b
1 changed files with 85 additions and 76 deletions
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161
include/follow.php
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@ -16,6 +16,8 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
$result = array('success' => false,'message' => '');
$a = get_app();
$is_red = false;
if(! allowed_url($url)) {
$result['message'] = t('Channel is blocked on this site.');
@ -37,81 +39,93 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
$ret = zot_finger($url,$channel);
if($ret['success']) {
$is_red = true;
$j = json_decode($ret['body'],true);
}
else {
$result['message'] = t('Channel discovery failed. Website may be down or misconfigured.');
logger('mod_follow: ' . $result['message']);
return $result;
}
logger('follow: ' . $url . ' ' . print_r($j,true));
if($is_red && $j) {
if(! $j) {
$result['message'] = t('Response from remote channel was not understood.');
logger('mod_follow: ' . $result['message']);
return $result;
}
$my_perms = PERMS_W_STREAM|PERMS_W_MAIL;
logger('follow: ' . $url . ' ' . print_r($j,true), LOGGER_DEBUG);
if(! ($j['success'] && $j['guid'])) {
$result['message'] = t('Response from remote channel was incomplete.');
logger('mod_follow: ' . $result['message']);
return $result;
}
// Premium channel, set confirm before callback to avoid recursion
if(array_key_exists('connect_url',$j) && (! $confirm))
goaway(zid($j['connect_url']));
// check service class limits
$r = q("select count(*) as total from abook where abook_channel = %d and not (abook_flags & %d) ",
intval($uid),
intval(ABOOK_FLAG_SELF)
);
if($r)
$total_channels = $r[0]['total'];
if(! service_class_allows($uid,'total_channels',$total_channels)) {
$result['message'] = upgrade_message();
return $result;
}
// do we have an xchan and hubloc?
// If not, create them.
$x = import_xchan($j);
if(! $x['success'])
return $x;
$xchan_hash = $x['hash'];
$their_perms = 0;
$global_perms = get_perms();
if( array_key_exists('permissions',$j) && array_key_exists('data',$j['permissions'])) {
$permissions = crypto_unencapsulate(array(
'data' => $j['permissions']['data'],
'key' => $j['permissions']['key'],
'iv' => $j['permissions']['iv']),
$channel['channel_prvkey']);
if($permissions)
$permissions = json_decode($permissions,true);
logger('decrypted permissions: ' . print_r($permissions,true), LOGGER_DATA);
}
else
$permissions = $j['permissions'];
foreach($permissions as $k => $v) {
if($v) {
$their_perms = $their_perms | intval($global_perms[$k][1]);
if(! ($j['success'] && $j['guid'])) {
$result['message'] = t('Response from remote channel was incomplete.');
logger('mod_follow: ' . $result['message']);
return $result;
}
// Premium channel, set confirm before callback to avoid recursion
if(array_key_exists('connect_url',$j) && (! $confirm))
goaway(zid($j['connect_url']));
// check service class limits
$r = q("select count(*) as total from abook where abook_channel = %d and not (abook_flags & %d) ",
intval($uid),
intval(ABOOK_FLAG_SELF)
);
if($r)
$total_channels = $r[0]['total'];
if(! service_class_allows($uid,'total_channels',$total_channels)) {
$result['message'] = upgrade_message();
return $result;
}
// do we have an xchan and hubloc?
// If not, create them.
$x = import_xchan($j);
if(! $x['success'])
return $x;
$xchan_hash = $x['hash'];
$their_perms = 0;
$global_perms = get_perms();
if( array_key_exists('permissions',$j) && array_key_exists('data',$j['permissions'])) {
$permissions = crypto_unencapsulate(array(
'data' => $j['permissions']['data'],
'key' => $j['permissions']['key'],
'iv' => $j['permissions']['iv']),
$channel['channel_prvkey']);
if($permissions)
$permissions = json_decode($permissions,true);
logger('decrypted permissions: ' . print_r($permissions,true), LOGGER_DATA);
}
else
$permissions = $j['permissions'];
foreach($permissions as $k => $v) {
if($v) {
$their_perms = $their_perms | intval($global_perms[$k][1]);
}
}
}
else {
// attempt network auto-discovery
$my_perms = 0;
$their_perms = 0;
$xchan_hash = '';
}
if(! $xchan_hash) {
$result['message'] = t('Channel discovery failed.');
logger('follow: ' . $result['message']);
return $result;
}
if((local_user()) && $uid == local_user()) {
@ -156,7 +170,7 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
intval($uid),
dbesc($xchan_hash),
intval($their_perms),
intval(PERMS_W_STREAM|PERMS_W_MAIL),
intval($my_perms),
dbesc(datetime_convert()),
dbesc(datetime_convert())
);
@ -172,7 +186,8 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
);
if($r) {
$result['abook'] = $r[0];
proc_run('php', 'include/notifier.php', 'permission_update', $result['abook']['abook_id']);
if($is_red)
proc_run('php', 'include/notifier.php', 'permission_update', $result['abook']['abook_id']);
}
$arr = array('channel_id' => $uid, 'abook' => $result['abook']);
@ -188,12 +203,6 @@ function new_contact($uid,$url,$channel,$interactive = false, $confirm = false)
group_add_member($uid,'',$xchan_hash,$g['id']);
}
// Then send a ping/message to the other side
$result['success'] = true;
return $result;
}