trim a bit of fat

1 files changed, 0 insertions, 229 deletions

diff --git a/mod/salmon.php b/mod/salmon.php
deleted file mode 100644
index 1e16f9d14..000000000
--- a/mod/salmon.php
+++ /dev/null
@@ -1,229 +0,0 @@
-<?php
-
-
-// There is a lot of debug stuff in here because this is quite a
-// complicated process to try and sort out. 
-
-require_once('include/salmon.php');
-require_once('include/crypto.php');
-require_once('library/simplepie/simplepie.inc');
-
-function salmon_return($val) {
-
-	if($val >= 400)
-		$err = 'Error';
-	if($val >= 200 && $val < 300)
-		$err = 'OK';
-
-	logger('mod-salmon returns ' . $val);	
-	header($_SERVER["SERVER_PROTOCOL"] . ' ' . $val . ' ' . $err);
-	killme();
-
-}
-
-function salmon_post(&$a) {
-
-	$xml = file_get_contents('php://input');
-
-	logger('mod-salmon: new salmon ' . $xml, LOGGER_DATA);
-
-	$nick       = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
-	$mentions   = (($a->argc > 2 && $a->argv[2] === 'mention') ? true : false);
-
-	$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `account_expired` = 0 LIMIT 1",
-		dbesc($nick)
-	);
-	if(! count($r))
-		http_status_exit(500);
-
-	$importer = $r[0];
-
-	// parse the xml
-
-	$dom = simplexml_load_string($xml,'SimpleXMLElement',0,NAMESPACE_SALMON_ME);
-
-	// figure out where in the DOM tree our data is hiding
-
-	if($dom->provenance->data)
-		$base = $dom->provenance;
-	elseif($dom->env->data)
-		$base = $dom->env;
-	elseif($dom->data)
-		$base = $dom;
-	
-	if(! $base) {
-		logger('mod-salmon: unable to locate salmon data in xml ');
-		http_status_exit(400);
-	}
-
-	// Stash the signature away for now. We have to find their key or it won't be good for anything.
-
-
-	$signature = base64url_decode($base->sig);
-
-	// unpack the  data
-
-	// strip whitespace so our data element will return to one big base64 blob
-	$data = str_replace(array(" ","\t","\r","\n"),array("","","",""),$base->data);
-
-	// stash away some other stuff for later
-
-	$type = $base->data[0]->attributes()->type[0];
-	$keyhash = $base->sig[0]->attributes()->keyhash[0];
-	$encoding = $base->encoding;
-	$alg = $base->alg;
-
-	// Salmon magic signatures have evolved and there is no way of knowing ahead of time which
-	// flavour we have. We'll try and verify it regardless.
-
-	$stnet_signed_data = $data;
-
-	$signed_data = $data  . '.' . base64url_encode($type) . '.' . base64url_encode($encoding) . '.' . base64url_encode($alg);
-
-	$compliant_format = str_replace('=','',$signed_data);
-
-
-	// decode the data
-	$data = base64url_decode($data);
-
-	// Remove the xml declaration
-	$data = preg_replace('/\<\?xml[^\?].*\?\>/','',$data);
-
-	// Create a fake feed wrapper so simplepie doesn't choke
-
-	$tpl = get_markup_template('fake_feed.tpl');
-	
-	$base = substr($data,strpos($data,'<entry'));
-
-	$feedxml = $tpl . $base . '</feed>';
-
-	logger('mod-salmon: Processed feed: ' . $feedxml);
-
-	// Now parse it like a normal atom feed to scrape out the author URI
-	
-    $feed = new SimplePie();
-    $feed->set_raw_data($feedxml);
-    $feed->enable_order_by_date(false);
-    $feed->init();
-
-	logger('mod-salmon: Feed parsed.');
-
-	if($feed->get_item_quantity()) {
-		foreach($feed->get_items() as $item) {
-			$author = $item->get_author();
-			$author_link = unxmlify($author->get_link());
-			break;
-		}
-	}
-
-	if(! $author_link) {
-		logger('mod-salmon: Could not retrieve author URI.');
-		http_status_exit(400);
-	}
-
-	// Once we have the author URI, go to the web and try to find their public key
-
-	logger('mod-salmon: Fetching key for ' . $author_link );
-
-
-	$key = get_salmon_key($author_link,$keyhash);
-
-	if(! $key) {
-		logger('mod-salmon: Could not retrieve author key.');
-		http_status_exit(400);
-	}
-
-	$key_info = explode('.',$key);
-
-	$m = base64url_decode($key_info[1]);
-	$e = base64url_decode($key_info[2]);
-
-	logger('mod-salmon: key details: ' . print_r($key_info,true), LOGGER_DEBUG);
-
-	$pubkey = metopem($m,$e);
-
-	// We should have everything we need now. Let's see if it verifies.
-
-    $verify = rsa_verify($compliant_format,$signature,$pubkey);
-
-	if(! $verify) {
-		logger('mod-salmon: message did not verify using protocol. Trying padding hack.');
-	    $verify = rsa_verify($signed_data,$signature,$pubkey);
-    }
-
-	if(! $verify) {
-		logger('mod-salmon: message did not verify using padding. Trying old statusnet hack.');
-	    $verify = rsa_verify($stnet_signed_data,$signature,$pubkey);
-    }
-
-	if(! $verify) {
-		logger('mod-salmon: Message did not verify. Discarding.');
-		http_status_exit(400);
-	}
-
-	logger('mod-salmon: Message verified.');
-
-
-	/*
-	*
-	* If we reached this point, the message is good. Now let's figure out if the author is allowed to send us stuff.
-	*
-	*/
-
-	$r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s' ) 
-		AND `uid` = %d LIMIT 1",
-		dbesc(NETWORK_OSTATUS),
-		dbesc($author_link),
-		dbesc($author_link),
-		intval($importer['uid'])
-	);
-	if(! count($r)) {
-		logger('mod-salmon: Author unknown to us.');
-		if(get_pconfig($importer['uid'],'system','ostatus_autofriend')) {
-			require_once('include/follow.php');
-			$result = new_contact($importer['uid'],$author_link);
-			if($result['success']) {
-				$r = q("SELECT * FROM `contact` WHERE `network` = '%s' AND ( `url` = '%s' OR `alias` = '%s' ) 
-					AND `uid` = %d LIMIT 1",
-					dbesc(NETWORK_OSTATUS),
-					dbesc($author_link),
-					dbesc($author_link),
-					intval($importer['uid'])
-				);
-			}
-		}
-	}	
-
-	// is this a follower? Or have we ignored the person?
-	// If so we can not accept this post.
-
-	if((count($r)) && (($r[0]['readonly']) || ($r[0]['rel'] == CONTACT_IS_FOLLOWER) || ($r[0]['blocked']))) {
-		logger('mod-salmon: Ignoring this author.');
-		http_status_exit(202);
-		// NOTREACHED
-	}
-
-	require_once('include/items.php');
-
-	// Placeholder for hub discovery. We shouldn't find any hubs
-	// since we supplied the fake feed header - and it doesn't have any.
-
-	$hub = '';
-
-	/**
-	 *
-	 * anti-spam measure: consume_feed will accept a follow activity from 
-	 * this person (and nothing else) if there is no existing contact record.
-	 *
-	 */
-
-	$contact_rec = ((count($r)) ? $r[0] : null);
-
-	consume_feed($feedxml,$importer,$contact_rec,$hub);
-
-	http_status_exit(200);
-}
-
-
-
-