diff options
Diffstat (limited to 'include/zotfns.php')
| -rw-r--r-- | include/zotfns.php | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/include/zotfns.php b/include/zotfns.php deleted file mode 100644 index b23fce82a..000000000 --- a/include/zotfns.php +++ /dev/null @@ -1,195 +0,0 @@ -<?php - - -require_once('include/salmon.php'); -require_once('include/crypto.php'); - - -function zot_get($url,$args) { - $argstr = ''; - foreach($args as $k => $v) { - if($argstr) - $argstr .= '&'; - $argstr .= $k . '=' . $v; - } - $s = fetch_url($url . '?' . $argstr); - if($s) { - $j = json_decode($s); - if($j) - return($j); - } - return false; -} - -function zot_post($url,$args) { - $s = post_url($url,$args); - if($s) { - $j = json_decode($s); - if($j) - return($j); - } - return false; -} - - -function zot_prv_encode($s,$prvkey) { - $x = ''; - $res = openssl_private_encrypt($s,$x,$prvkey); - return base64url_encode($y); -} -function zot_pub_encode($s,$pubkey) { - $x = ''; - $res = openssl_public_encrypt($s,$x,$pubkey); - return base64url_encode($x); -} - -function zot_prv_decode($s,$prvkey) { - $s = base64url_decode($s); - $x = ''; - openssl_private_decrypt($s,$x,$prvkey); - return $x; -} - -function zot_pub_decode($s,$pubkey) { - $s = base64url_decode($s); - $x = ''; - openssl_public_decrypt($s,$x,$pubkey); - return $x; -} - - -function zot_getzid($url,$myaddress,$myprvkey) { - $ret = array(); - $j = zot_get($url,array('sender' => $myaddress)); - if($j->zid_encoded) - $ret['zid'] = zot_prv_decode($j->zid_encoded,$myprvkey); - if($j->zkey_encoded) - $ret['zkey'] = zot_prv_decode($j->zkey_encoded,$myprvkey); - return $ret; -} - -function zot_post_init($url,$zid,$myprvkey,$theirpubkey) { - $ret = array(); - - $zinit = random_string(32); - - $j = zot_get($url,array('zid' => $zid,'zinit' => $zinit)); - - $a = get_app(); - if(! $a->get_curl_code()) - return ZCURL_TIMEOUT; - if(! $j->zinit) { - logger('zot_post_init: no zinit returned.'); - return false; - } - if(zot_pub_decode($j->zinit,$thierpubkey) !== $zinit) { - logger('zot_post_init: incorrect zinit returned.'); - return false; - } - - if($j->challenge) { - $s = zot_prv_decode($j->challenge,$myprvkey); - $s1 = substr($s,0,strpos($s,'.')); - if($s1 != $zid) { - logger("zot_post_init: incorrect zid returned"); - return false; - } - $ret['result'] = substr($s,strpos($s,'.') + 1); - $ret['perms'] = $j->perms; - } - return $ret; -} - - -function zot_encrypt_data($data,&$key) { - $key = random_string(); - return aes_encrypt($data,$key); -} - - -// encrypt the data prior to calling this function so it only need be done once per message -// regardless of the number of recipients. - -function zot_post_data($url,$zid,$myprvkey,$theirpubkey,$encrypted_data,$key, $intro = false) { - $i = zot_post_init($url,$zid,$myprvkey,$theirpubkey); - if($i === ZCURL_TIMEOUT) - return ZCURL_TIMEOUT; - - if((! $i) || (! array_key_exists('perms',$i)) || (! array_key_exists('result',$i))) - return false; - if((! stristr($i['perms'],'post')) && ($intro === false)) { - logger("zot_post_data: no permission to post: url=$url zid=$zid"); - return false; - } - $p = array(); - $p['zid'] = $zid; - $p['result'] = zot_pub_encode($i['result'],$theirpubkey); - $p['aes_key'] = zot_prv_encode($key,$myprvkey); - $p['data'] = $encrypted_data; - $s = zot_post($url,$p); - $a = get_app(); - if(! $a->get_curl_code()) - return ZCURL_TIMEOUT; - - if($s) { - $j = json_decode($s); - return $j; - } - return false; -} - -function zot_deliver($recipients,$myprvkey,$data) { - - if(is_array($recipients) && count($recipients)) { - - $key = ''; - $encrypted = zot_encrypt_data($data,$key); - - - foreach($recipients as $r) { - $result = zot_post_data( - $r['post'], - $r['zid'], - $myprvkey, - $r['pubkey'], - $encrypted, - $key - ); - if($result === false) { - // post failed - logger('zot_deliver: failed: ' . print_r($r,true)); - } - elseif($result === ZCURL_TIMEOUT) { - // queue for redelivery - } - elseif($result->error) { - // failed at other end - logger('zot_deliver: remote failure: ' . $result->error . ' ' . print_r($r,true)); - } - elseif($result->success) { - logger('zot_deliver: success ' . print_r($r,true, LOGGER_DEBUG)); - } - else - logger('zot_deliver: unknown failure.'); - } - } -} - - -function zot_new_contact($user,$cc) { - - $zid = random_string(32); - $zkey = random_string(32); - - logger("zot_new_contact: zid=$zid zkey=$zkey uid={$user['uid']} " . print_r($cc,true)); - - $ret = array(); - $ret['zid_encoded'] = zot_pub_encode($zid,$cc['pubkey']); - $ret['zkey_encoded'] = zot_pub_encode($zkey,$cc['pubkey']); - return $ret; - - - - - -}
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