The signature creation now moved into the Diaspora class. That's much cleaner.
This commit is contained in:
Michael Vogel
parent
f5ac69a0cf
commit
8d82bf922e
3 changed files with 125 additions and 124 deletions
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@ -2190,13 +2190,18 @@ class diaspora {
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*
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* @return string the handle in the format user@domain.tld
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*/
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private function my_handle($me) {
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private function my_handle($contact) {
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if ($contact["addr"] != "")
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return $contact["addr"];
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// Normally we should have a filled "addr" field - but in the past this wasn't the case
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// So - just in case - we build the the address here.
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return $me["nickname"]."@".substr(App::get_baseurl(), strpos(App::get_baseurl(),"://") + 3);
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if ($contact["nickname"] != "")
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$nick = $contact["nickname"];
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else
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$nick = $contact["nick"];
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return $nick."@".substr(App::get_baseurl(), strpos(App::get_baseurl(),"://") + 3);
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}
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/**
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@ -2689,7 +2694,7 @@ class diaspora {
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"guid" => $item["guid"],
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"target_type" => $target_type,
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"parent_guid" => $parent["guid"],
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"author_signature" => $authorsig,
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"author_signature" => "",
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"diaspora_handle" => self::my_handle($owner)));
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}
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@ -3052,5 +3057,118 @@ class diaspora {
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foreach($recips as $recip)
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self::build_and_transmit($profile, $recip, "profile", $message, false, "", true);
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}
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/**
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* @brief Stores the signature for likes that are created on our system
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*
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* @param array $contact The contact array of the "like"
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* @param int $post_id The post id of the "like"
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*
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* @return bool Success
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*/
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function store_like_signature($contact, $post_id) {
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$enabled = intval(get_config('system','diaspora_enabled'));
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if (!$enabled) {
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logger('Diaspora support disabled, not storing like signature', LOGGER_DEBUG);
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return false;
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}
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// Is the contact the owner? Then fetch the private key
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if (!$contact['self'] OR ($contact['uid'] == 0)) {
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logger("No owner post, so not storing signature", LOGGER_DEBUG);
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return false;
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}
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$r = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1", intval($contact['uid']));
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if(!$r)
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return false;
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$contact["uprvkey"] = $r[0]['prvkey'];
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$r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1", intval($post_id));
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if (!$r)
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return false;
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if (!in_array($r[0]["verb"], array(ACTIVITY_LIKE, ACTIVITY_DISLIKE)))
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return false;
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$message = self::construct_like($r[0], $contact);
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$message["author_signature"] = self::signature($contact, $message);
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// In the future we will store the signature more flexible to support new fields.
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// Right now we cannot change this since old Friendica versions (prior to 3.5) can only handle this format.
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// (We are transmitting this data here via DFRN)
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$signed_text = $message["positive"].";".$message["guid"].";".$message["target_type"].";".
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$message["parent_guid"].";".$message["diaspora_handle"];
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q("INSERT INTO `sign` (`iid`,`signed_text`,`signature`,`signer`) VALUES (%d,'%s','%s','%s')",
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intval($post_id),
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dbesc($signed_text),
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dbesc($message["author_signature"]),
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dbesc($message["diaspora_handle"])
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);
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// This here will replace the lines above, once Diaspora changed its protocol
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//q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')",
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// intval($message_id),
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// dbesc(json_encode($message))
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//);
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logger('Stored diaspora like signature');
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return true;
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}
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/**
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* @brief Stores the signature for comments that are created on our system
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*
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* @param array $item The item array of the comment
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* @param array $contact The contact array of the item owner
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* @param string $uprvkey The private key of the sender
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* @param int $message_id The message id of the comment
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*
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* @return bool Success
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*/
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function store_comment_signature($item, $contact, $uprvkey, $message_id) {
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if ($uprvkey == "") {
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logger('No private key, so not storing comment signature', LOGGER_DEBUG);
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return false;
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}
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$enabled = intval(get_config('system','diaspora_enabled'));
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if (!$enabled) {
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logger('Diaspora support disabled, not storing comment signature', LOGGER_DEBUG);
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return false;
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}
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$contact["uprvkey"] = $uprvkey;
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$message = self::construct_comment($item, $contact);
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$message["author_signature"] = self::signature($contact, $message);
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// In the future we will store the signature more flexible to support new fields.
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// Right now we cannot change this since old Friendica versions (prior to 3.5) can only handle this format.
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// (We are transmitting this data here via DFRN)
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$signed_text = $message["guid"].";".$message["parent_guid"].";".
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$message["text"].";".$message["diaspora_handle"];
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q("INSERT INTO `sign` (`iid`,`signed_text`,`signature`,`signer`) VALUES (%d,'%s','%s','%s')",
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intval($message_id),
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dbesc($signed_text),
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dbesc($message["author_signature"]),
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dbesc($message["diaspora_handle"])
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);
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// This here will replace the lines above, once Diaspora changed its protocol
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//q("INSERT INTO `sign` (`iid`,`signed_text`) VALUES (%d,'%s')",
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// intval($message_id),
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// dbesc(json_encode($message))
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//);
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logger('Stored diaspora comment signature');
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return true;
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}
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}
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?>
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@ -1,4 +1,5 @@
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<?php
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require_once("include/diaspora.php");
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/**
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* @brief add/remove activity to an item
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@ -237,7 +238,7 @@ EOT;
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// Save the author information for the like in case we need to relay to Diaspora
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store_diaspora_like_sig($activity, $post_type, $contact, $post_id);
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diaspora::store_like_signature($contact, $post_id);
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$arr['id'] = $post_id;
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@ -247,83 +248,3 @@ EOT;
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return true;
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}
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function store_diaspora_like_sig($activity, $post_type, $contact, $post_id) {
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// Note that we can only create a signature for a user of the local server. We don't have
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// a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it
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// means we are the relay, and for relayable_retractions, Diaspora
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// only checks the parent_author_signature if it doesn't have to relay further
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$enabled = intval(get_config('system','diaspora_enabled'));
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if(! $enabled) {
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logger('mod_like: diaspora support disabled, not storing like signature', LOGGER_DEBUG);
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return;
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}
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logger('mod_like: storing diaspora like signature');
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if(($activity === ACTIVITY_LIKE) && ($post_type === t('status'))) {
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// Only works for NETWORK_DFRN
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$contact_baseurl_start = strpos($contact['url'],'://') + 3;
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$contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start;
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$contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length);
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$diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
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// This code could never had worked (the return values form the queries were used in a wrong way.
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// Additionally it is needlessly complicated. Either the contact is owner or not. And we have this data already.
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/*
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// Get contact's private key if he's a user of the local Friendica server
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$r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
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dbesc($contact['url'])
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);
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if( $r) {
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$contact_uid = $r['uid'];
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$r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1",
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intval($contact_uid)
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);
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if( $r)
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$contact_uprvkey = $r['prvkey'];
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}
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*/
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// Is the contact the owner? Then fetch the private key
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if ($contact['self'] AND ($contact['uid'] > 0)) {
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$r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1",
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intval($contact['uid'])
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);
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if($r)
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$contact_uprvkey = $r[0]['prvkey'];
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}
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$r = q("SELECT guid, parent FROM `item` WHERE id = %d LIMIT 1",
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intval($post_id)
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);
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if( $r) {
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$p = q("SELECT guid FROM `item` WHERE id = %d AND parent = %d LIMIT 1",
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intval($r[0]['parent']),
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intval($r[0]['parent'])
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);
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if( $p) {
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$signed_text = 'true;'.$r[0]['guid'].';Post;'.$p[0]['guid'].';'.$diaspora_handle;
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if(isset($contact_uprvkey))
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$authorsig = base64_encode(rsa_sign($signed_text,$contact_uprvkey,'sha256'));
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else
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$authorsig = '';
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q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
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intval($post_id),
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dbesc($signed_text),
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dbesc($authorsig),
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dbesc($diaspora_handle)
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);
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}
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}
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}
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return;
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}
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42
mod/item.php
42
mod/item.php
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@ -24,6 +24,7 @@ require_once('include/threads.php');
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require_once('include/text.php');
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require_once('include/items.php');
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require_once('include/Scrape.php');
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require_once('include/diaspora.php');
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function item_post(&$a) {
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@ -900,7 +901,7 @@ function item_post(&$a) {
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// Store the comment signature information in case we need to relay to Diaspora
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store_diaspora_comment_sig($datarray, $author, ($self ? $user['prvkey'] : false), $parent_item, $post_id);
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diaspora::store_comment_signature($datarray, $author, ($self ? $user['prvkey'] : false), $post_id);
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} else {
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$parent = $post_id;
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@ -1245,42 +1246,3 @@ function handle_tag($a, &$body, &$inform, &$str_tags, $profile_uid, $tag, $netwo
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return array('replaced' => $replaced, 'contact' => $r[0]);
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}
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function store_diaspora_comment_sig($datarray, $author, $uprvkey, $parent_item, $post_id) {
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// We won't be able to sign Diaspora comments for authenticated visitors - we don't have their private key
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$enabled = intval(get_config('system','diaspora_enabled'));
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if(! $enabled) {
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logger('mod_item: diaspora support disabled, not storing comment signature', LOGGER_DEBUG);
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return;
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}
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logger('mod_item: storing diaspora comment signature');
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require_once('include/bb2diaspora.php');
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$signed_body = html_entity_decode(bb2diaspora($datarray['body']));
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// Only works for NETWORK_DFRN
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$contact_baseurl_start = strpos($author['url'],'://') + 3;
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$contact_baseurl_length = strpos($author['url'],'/profile') - $contact_baseurl_start;
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$contact_baseurl = substr($author['url'], $contact_baseurl_start, $contact_baseurl_length);
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$diaspora_handle = $author['nick'] . '@' . $contact_baseurl;
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$signed_text = $datarray['guid'] . ';' . $parent_item['guid'] . ';' . $signed_body . ';' . $diaspora_handle;
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if( $uprvkey !== false )
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$authorsig = rsa_sign($signed_text,$uprvkey,'sha256');
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else
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$authorsig = '';
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q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
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intval($post_id),
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dbesc($signed_text),
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dbesc(base64_encode($authorsig)),
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dbesc($diaspora_handle)
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);
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return;
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}
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