<?php
+/**
+ * @file include/dfrn.php
+ * @brief The implementation of the dfrn protocol
+ *
+ * https://github.com/friendica/friendica/wiki/Protocol
+ */
+
require_once('include/items.php');
require_once('include/Contact.php');
require_once('include/ostatus.php');
/**
- * @brief Generates the atom entries for delivery.php
- *
- * This function is used whenever content is transmitted via DFRN.
- *
- * @param array $items Item elements
- * @param array $owner Owner record
+ * @brief This class contain functions to create and send DFRN XML files
*
- * @return string DFRN entries
*/
-function dfrn_entries($items,$owner) {
-
- $doc = new DOMDocument('1.0', 'utf-8');
- $doc->formatOutput = true;
-
- $root = dfrn_add_header($doc, $owner, "dfrn:owner", "", false);
-
- if(! count($items))
- return trim($doc->saveXML());
+class dfrn {
+
+ /**
+ * @brief Generates the atom entries for delivery.php
+ *
+ * This function is used whenever content is transmitted via DFRN.
+ *
+ * @param array $items Item elements
+ * @param array $owner Owner record
+ *
+ * @return string DFRN entries
+ */
+ function entries($items,$owner) {
+
+ $doc = new DOMDocument('1.0', 'utf-8');
+ $doc->formatOutput = true;
+
+ $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
+
+ if(! count($items))
+ return trim($doc->saveXML());
+
+ foreach($items as $item) {
+ $entry = self::entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
+ $root->appendChild($entry);
+ }
- foreach($items as $item) {
- $entry = dfrn_entry($doc, "text", $item, $owner, $item["entry:comment-allow"], $item["entry:cid"]);
- $root->appendChild($entry);
+ return(trim($doc->saveXML()));
}
- return(trim($doc->saveXML()));
-}
-
-/**
- * @brief Generate an atom feed for the given user
- *
- * This function is called when another server is pulling data from the user feed.
- *
- * @param App $a
- * @param string $dfrn_id
- * @param string $owner_nick Owner nick name
- * @param string $last_update Date of the last update
- * @param int $direction
- *
- * @return string DFRN feed entries
- */
-function dfrn_feed(&$a, $dfrn_id, $owner_nick, $last_update, $direction = 0) {
-
- $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
- $public_feed = (($dfrn_id) ? false : true);
- $starred = false; // not yet implemented, possible security issues
- $converse = false;
-
- if($public_feed && $a->argc > 2) {
- for($x = 2; $x < $a->argc; $x++) {
- if($a->argv[$x] == 'converse')
- $converse = true;
- if($a->argv[$x] == 'starred')
- $starred = true;
- if($a->argv[$x] === 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1]))
- $category = $a->argv[$x+1];
+ /**
+ * @brief Generate an atom feed for the given user
+ *
+ * This function is called when another server is pulling data from the user feed.
+ *
+ * @param string $dfrn_id DFRN ID from the requesting party
+ * @param string $owner_nick Owner nick name
+ * @param string $last_update Date of the last update
+ * @param int $direction Can be -1, 0 or 1.
+ *
+ * @return string DFRN feed entries
+ */
+ function feed($dfrn_id, $owner_nick, $last_update, $direction = 0) {
+
+ $a = get_app();
+
+ $sitefeed = ((strlen($owner_nick)) ? false : true); // not yet implemented, need to rewrite huge chunks of following logic
+ $public_feed = (($dfrn_id) ? false : true);
+ $starred = false; // not yet implemented, possible security issues
+ $converse = false;
+
+ if($public_feed && $a->argc > 2) {
+ for($x = 2; $x < $a->argc; $x++) {
+ if($a->argv[$x] == 'converse')
+ $converse = true;
+ if($a->argv[$x] == 'starred')
+ $starred = true;
+ if($a->argv[$x] === 'category' && $a->argc > ($x + 1) && strlen($a->argv[$x+1]))
+ $category = $a->argv[$x+1];
+ }
}
- }
- // default permissions - anonymous user
+ // default permissions - anonymous user
+
+ $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
- $sql_extra = " AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = '' AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = '' ";
+ $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
+ FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
+ WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1",
+ dbesc($owner_nick)
+ );
- $r = q("SELECT `contact`.*, `user`.`uid` AS `user_uid`, `user`.`nickname`, `user`.`timezone`, `user`.`page-flags`
- FROM `contact` INNER JOIN `user` ON `user`.`uid` = `contact`.`uid`
- WHERE `contact`.`self` = 1 AND `user`.`nickname` = '%s' LIMIT 1",
- dbesc($owner_nick)
- );
+ if(! count($r))
+ killme();
- if(! count($r))
- killme();
+ $owner = $r[0];
+ $owner_id = $owner['user_uid'];
+ $owner_nick = $owner['nickname'];
+
+ $sql_post_table = "";
+ $visibility = "";
+
+ if(! $public_feed) {
+
+ $sql_extra = '';
+ switch($direction) {
+ case (-1):
+ $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
+ $my_id = $dfrn_id;
+ break;
+ case 0:
+ $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
+ $my_id = '1:' . $dfrn_id;
+ break;
+ case 1:
+ $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
+ $my_id = '0:' . $dfrn_id;
+ break;
+ default:
+ return false;
+ break; // NOTREACHED
+ }
- $owner = $r[0];
- $owner_id = $owner['user_uid'];
- $owner_nick = $owner['nickname'];
+ $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
+ intval($owner_id)
+ );
- $sql_post_table = "";
- $visibility = "";
+ if(! count($r))
+ killme();
- if(! $public_feed) {
+ $contact = $r[0];
+ require_once('include/security.php');
+ $groups = init_groups_visitor($contact['id']);
- $sql_extra = '';
- switch($direction) {
- case (-1):
- $sql_extra = sprintf(" AND `issued-id` = '%s' ", dbesc($dfrn_id));
- $my_id = $dfrn_id;
- break;
- case 0:
- $sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
- $my_id = '1:' . $dfrn_id;
- break;
- case 1:
- $sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
- $my_id = '0:' . $dfrn_id;
- break;
- default:
- return false;
- break; // NOTREACHED
+ if(count($groups)) {
+ for($x = 0; $x < count($groups); $x ++)
+ $groups[$x] = '<' . intval($groups[$x]) . '>' ;
+ $gs = implode('|', $groups);
+ } else
+ $gs = '<<>>' ; // Impossible to match
+
+ $sql_extra = sprintf("
+ AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
+ AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
+ AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
+ AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
+ ",
+ intval($contact['id']),
+ intval($contact['id']),
+ dbesc($gs),
+ dbesc($gs)
+ );
}
- $r = q("SELECT * FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `contact`.`uid` = %d $sql_extra LIMIT 1",
- intval($owner_id)
- );
+ if($public_feed)
+ $sort = 'DESC';
+ else
+ $sort = 'ASC';
- if(! count($r))
- killme();
+ $date_field = "`changed`";
+ $sql_order = "`item`.`parent` ".$sort.", `item`.`created` ASC";
- $contact = $r[0];
- require_once('include/security.php');
- $groups = init_groups_visitor($contact['id']);
+ if(! strlen($last_update))
+ $last_update = 'now -30 days';
- if(count($groups)) {
- for($x = 0; $x < count($groups); $x ++)
- $groups[$x] = '<' . intval($groups[$x]) . '>' ;
- $gs = implode('|', $groups);
+ if(isset($category)) {
+ $sql_post_table = sprintf("INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
+ dbesc(protect_sprintf($category)), intval(TERM_OBJ_POST), intval(TERM_CATEGORY), intval($owner_id));
+ //$sql_extra .= file_tag_file_query('item',$category,'category');
}
- else
- $gs = '<<>>' ; // Impossible to match
-
- $sql_extra = sprintf("
- AND ( `allow_cid` = '' OR `allow_cid` REGEXP '<%d>' )
- AND ( `deny_cid` = '' OR NOT `deny_cid` REGEXP '<%d>' )
- AND ( `allow_gid` = '' OR `allow_gid` REGEXP '%s' )
- AND ( `deny_gid` = '' OR NOT `deny_gid` REGEXP '%s')
- ",
- intval($contact['id']),
- intval($contact['id']),
- dbesc($gs),
- dbesc($gs)
+
+ if($public_feed) {
+ if(! $converse)
+ $sql_extra .= " AND `contact`.`self` = 1 ";
+ }
+
+ $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
+
+ // AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
+ // dbesc($check_date),
+
+ $r = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id`,
+ `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
+ `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
+ `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
+ `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`,
+ `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
+ FROM `item` $sql_post_table
+ INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
+ AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
+ LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
+ WHERE `item`.`uid` = %d AND `item`.`visible` = 1 and `item`.`moderated` = 0 AND `item`.`parent` != 0
+ AND ((`item`.`wall` = 1) $visibility) AND `item`.$date_field > '%s'
+ $sql_extra
+ ORDER BY $sql_order LIMIT 0, 300",
+ intval($owner_id),
+ dbesc($check_date),
+ dbesc($sort)
);
- }
- if($public_feed)
- $sort = 'DESC';
- else
- $sort = 'ASC';
+ // Will check further below if this actually returned results.
+ // We will provide an empty feed if that is the case.
- $date_field = "`changed`";
- $sql_order = "`item`.`parent` ".$sort.", `item`.`created` ASC";
+ $items = $r;
- if(! strlen($last_update))
- $last_update = 'now -30 days';
+ $doc = new DOMDocument('1.0', 'utf-8');
+ $doc->formatOutput = true;
- if(isset($category)) {
- $sql_post_table = sprintf("INNER JOIN (SELECT `oid` FROM `term` WHERE `term` = '%s' AND `otype` = %d AND `type` = %d AND `uid` = %d ORDER BY `tid` DESC) AS `term` ON `item`.`id` = `term`.`oid` ",
- dbesc(protect_sprintf($category)), intval(TERM_OBJ_POST), intval(TERM_CATEGORY), intval($owner_id));
- //$sql_extra .= file_tag_file_query('item',$category,'category');
- }
+ $alternatelink = $owner['url'];
- if($public_feed) {
- if(! $converse)
- $sql_extra .= " AND `contact`.`self` = 1 ";
- }
+ if(isset($category))
+ $alternatelink .= "/category/".$category;
- $check_date = datetime_convert('UTC','UTC',$last_update,'Y-m-d H:i:s');
+ if ($public_feed)
+ $author = "dfrn:owner";
+ else
+ $author = "author";
- // AND ( `item`.`edited` > '%s' OR `item`.`changed` > '%s' )
- // dbesc($check_date),
+ $root = self::add_header($doc, $owner, $author, $alternatelink, true);
- $r = q("SELECT STRAIGHT_JOIN `item`.*, `item`.`id` AS `item_id`,
- `contact`.`name`, `contact`.`network`, `contact`.`photo`, `contact`.`url`,
- `contact`.`name-date`, `contact`.`uri-date`, `contact`.`avatar-date`,
- `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
- `contact`.`id` AS `contact-id`, `contact`.`uid` AS `contact-uid`,
- `sign`.`signed_text`, `sign`.`signature`, `sign`.`signer`
- FROM `item` $sql_post_table
- INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
- AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
- LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`
- WHERE `item`.`uid` = %d AND `item`.`visible` = 1 and `item`.`moderated` = 0 AND `item`.`parent` != 0
- AND ((`item`.`wall` = 1) $visibility) AND `item`.$date_field > '%s'
- $sql_extra
- ORDER BY $sql_order LIMIT 0, 300",
- intval($owner_id),
- dbesc($check_date),
- dbesc($sort)
- );
+ // This hook can't work anymore
+ // call_hooks('atom_feed', $atom);
- // Will check further below if this actually returned results.
- // We will provide an empty feed if that is the case.
+ if(! count($items)) {
+ $atom = trim($doc->saveXML());
- $items = $r;
+ call_hooks('atom_feed_end', $atom);
- $doc = new DOMDocument('1.0', 'utf-8');
- $doc->formatOutput = true;
+ return $atom;
+ }
- $alternatelink = $owner['url'];
+ foreach($items as $item) {
- if(isset($category))
- $alternatelink .= "/category/".$category;
+ // prevent private email from leaking.
+ if($item['network'] === NETWORK_MAIL)
+ continue;
- if ($public_feed)
- $author = "dfrn:owner";
- else
- $author = "author";
+ // public feeds get html, our own nodes use bbcode
- $root = dfrn_add_header($doc, $owner, $author, $alternatelink, true);
+ if($public_feed) {
+ $type = 'html';
+ // catch any email that's in a public conversation and make sure it doesn't leak
+ if($item['private'])
+ continue;
+ } else
+ $type = 'text';
+
+ $entry = self::entry($doc, $type, $item, $owner, true);
+ $root->appendChild($entry);
- // This hook can't work anymore
- // call_hooks('atom_feed', $atom);
+ }
- if(! count($items)) {
$atom = trim($doc->saveXML());
call_hooks('atom_feed_end', $atom);
return $atom;
}
- foreach($items as $item) {
+ /**
+ * @brief Create XML text for DFRN mails
+ *
+ * @param array $item message elements
+ * @param array $owner Owner record
+ *
+ * @return string DFRN mail
+ */
+ function mail($item, $owner) {
+ $doc = new DOMDocument('1.0', 'utf-8');
+ $doc->formatOutput = true;
- // prevent private email from leaking.
- if($item['network'] === NETWORK_MAIL)
- continue;
+ $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
- // public feeds get html, our own nodes use bbcode
+ $mail = $doc->createElement("dfrn:mail");
+ $sender = $doc->createElement("dfrn:sender");
- if($public_feed) {
- $type = 'html';
- // catch any email that's in a public conversation and make sure it doesn't leak
- if($item['private'])
- continue;
- }
- else {
- $type = 'text';
- }
+ xml_add_element($doc, $sender, "dfrn:name", $owner['name']);
+ xml_add_element($doc, $sender, "dfrn:uri", $owner['url']);
+ xml_add_element($doc, $sender, "dfrn:avatar", $owner['thumb']);
+
+ $mail->appendChild($sender);
+
+ xml_add_element($doc, $mail, "dfrn:id", $item['uri']);
+ xml_add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
+ xml_add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME));
+ xml_add_element($doc, $mail, "dfrn:subject", $item['title']);
+ xml_add_element($doc, $mail, "dfrn:content", $item['body']);
- $entry = dfrn_entry($doc, $type, $item, $owner, true);
- $root->appendChild($entry);
+ $root->appendChild($mail);
+ return(trim($doc->saveXML()));
}
- $atom = trim($doc->saveXML());
+ /**
+ * @brief Create XML text for DFRN friend suggestions
+ *
+ * @param array $item suggestion elements
+ * @param array $owner Owner record
+ *
+ * @return string DFRN suggestions
+ */
+ function fsuggest($item, $owner) {
+ $doc = new DOMDocument('1.0', 'utf-8');
+ $doc->formatOutput = true;
- call_hooks('atom_feed_end', $atom);
+ $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
- return $atom;
-}
+ $suggest = $doc->createElement("dfrn:suggest");
-/**
- * @brief Create XML text for DFRN mails
- *
- * @param array $item message elements
- * @param array $owner Owner record
- *
- * @return string DFRN mail
- */
-function dfrn_mail($item, $owner) {
- $doc = new DOMDocument('1.0', 'utf-8');
- $doc->formatOutput = true;
+ xml_add_element($doc, $suggest, "dfrn:url", $item['url']);
+ xml_add_element($doc, $suggest, "dfrn:name", $item['name']);
+ xml_add_element($doc, $suggest, "dfrn:photo", $item['photo']);
+ xml_add_element($doc, $suggest, "dfrn:request", $item['request']);
+ xml_add_element($doc, $suggest, "dfrn:note", $item['note']);
- $root = dfrn_add_header($doc, $owner, "dfrn:owner", "", false);
+ $root->appendChild($suggest);
- $mail = $doc->createElement("dfrn:mail");
- $sender = $doc->createElement("dfrn:sender");
+ return(trim($doc->saveXML()));
+ }
- xml_add_element($doc, $sender, "dfrn:name", $owner['name']);
- xml_add_element($doc, $sender, "dfrn:uri", $owner['url']);
- xml_add_element($doc, $sender, "dfrn:avatar", $owner['thumb']);
+ /**
+ * @brief Create XML text for DFRN relocations
+ *
+ * @param array $owner Owner record
+ * @param int $uid User ID
+ *
+ * @return string DFRN relocations
+ */
+ function relocate($owner, $uid) {
+
+ /* get site pubkey. this could be a new installation with no site keys*/
+ $pubkey = get_config('system','site_pubkey');
+ if(! $pubkey) {
+ $res = new_keypair(1024);
+ set_config('system','site_prvkey', $res['prvkey']);
+ set_config('system','site_pubkey', $res['pubkey']);
+ }
- $mail->appendChild($sender);
+ $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
+ WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
+ $photos = array();
+ $ext = Photo::supportedTypes();
- xml_add_element($doc, $mail, "dfrn:id", $item['uri']);
- xml_add_element($doc, $mail, "dfrn:in-reply-to", $item['parent-uri']);
- xml_add_element($doc, $mail, "dfrn:sentdate", datetime_convert('UTC', 'UTC', $item['created'] . '+00:00' , ATOM_TIME));
- xml_add_element($doc, $mail, "dfrn:subject", $item['title']);
- xml_add_element($doc, $mail, "dfrn:content", $item['body']);
+ foreach($rp as $p)
+ $photos[$p['scale']] = app::get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
- $root->appendChild($mail);
+ unset($rp, $ext);
- return(trim($doc->saveXML()));
-}
+ $doc = new DOMDocument('1.0', 'utf-8');
+ $doc->formatOutput = true;
-/**
- * @brief Create XML text for DFRN friend suggestions
- *
- * @param array $item suggestion elements
- * @param array $owner Owner record
- *
- * @return string DFRN suggestions
- */
-function dfrn_fsuggest($item, $owner) {
- $doc = new DOMDocument('1.0', 'utf-8');
- $doc->formatOutput = true;
+ $root = self::add_header($doc, $owner, "dfrn:owner", "", false);
- $root = dfrn_add_header($doc, $owner, "dfrn:owner", "", false);
+ $relocate = $doc->createElement("dfrn:relocate");
- $suggest = $doc->createElement("dfrn:suggest");
+ xml_add_element($doc, $relocate, "dfrn:url", $owner['url']);
+ xml_add_element($doc, $relocate, "dfrn:name", $owner['name']);
+ xml_add_element($doc, $relocate, "dfrn:photo", $photos[4]);
+ xml_add_element($doc, $relocate, "dfrn:thumb", $photos[5]);
+ xml_add_element($doc, $relocate, "dfrn:micro", $photos[6]);
+ xml_add_element($doc, $relocate, "dfrn:request", $owner['request']);
+ xml_add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']);
+ xml_add_element($doc, $relocate, "dfrn:notify", $owner['notify']);
+ xml_add_element($doc, $relocate, "dfrn:poll", $owner['poll']);
+ xml_add_element($doc, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey'));
- xml_add_element($doc, $suggest, "dfrn:url", $item['url']);
- xml_add_element($doc, $suggest, "dfrn:name", $item['name']);
- xml_add_element($doc, $suggest, "dfrn:photo", $item['photo']);
- xml_add_element($doc, $suggest, "dfrn:request", $item['request']);
- xml_add_element($doc, $suggest, "dfrn:note", $item['note']);
+ $root->appendChild($relocate);
- $root->appendChild($suggest);
+ return(trim($doc->saveXML()));
+ }
- return(trim($doc->saveXML()));
-}
+ /**
+ * @brief Adds the header elements for the DFRN protocol
+ *
+ * @param object $doc XML document
+ * @param array $owner Owner record
+ * @param string $authorelement Element name for the author
+ * @param string $alternatelink link to profile or category
+ * @param bool $public Is it a header for public posts?
+ *
+ * @return object XML root object
+ */
+ private function add_header($doc, $owner, $authorelement, $alternatelink = "", $public = false) {
+
+ if ($alternatelink == "")
+ $alternatelink = $owner['url'];
+
+ $root = $doc->createElementNS(NS_ATOM, 'feed');
+ $doc->appendChild($root);
+
+ $root->setAttribute("xmlns:thr", NS_THR);
+ $root->setAttribute("xmlns:at", "http://purl.org/atompub/tombstones/1.0");
+ $root->setAttribute("xmlns:media", NS_MEDIA);
+ $root->setAttribute("xmlns:dfrn", "http://purl.org/macgirvin/dfrn/1.0");
+ $root->setAttribute("xmlns:activity", NS_ACTIVITY);
+ $root->setAttribute("xmlns:georss", NS_GEORSS);
+ $root->setAttribute("xmlns:poco", NS_POCO);
+ $root->setAttribute("xmlns:ostatus", NS_OSTATUS);
+ $root->setAttribute("xmlns:statusnet", NS_STATUSNET);
+
+ //xml_add_element($doc, $root, "id", app::get_baseurl()."/profile/".$owner["nick"]);
+ xml_add_element($doc, $root, "id", app::get_baseurl()."/profile/".$owner["nick"]);
+ xml_add_element($doc, $root, "title", $owner["name"]);
+
+ $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
+ xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
+
+ $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
+ xml_add_element($doc, $root, "link", "", $attributes);
-/**
- * @brief Create XML text for DFRN relocations
- *
- * @param array $owner Owner record
- * @param int $uid User ID
- *
- * @return string DFRN relocations
- */
-function dfrn_relocate($owner, $uid) {
+ $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
+ xml_add_element($doc, $root, "link", "", $attributes);
- $a = get_app();
+ ostatus_hublinks($doc, $root);
- /* get site pubkey. this could be a new installation with no site keys*/
- $pubkey = get_config('system','site_pubkey');
- if(! $pubkey) {
- $res = new_keypair(1024);
- set_config('system','site_prvkey', $res['prvkey']);
- set_config('system','site_pubkey', $res['pubkey']);
- }
+ if ($public) {
+ $attributes = array("rel" => "salmon", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
+ xml_add_element($doc, $root, "link", "", $attributes);
+
+ $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
+ xml_add_element($doc, $root, "link", "", $attributes);
+
+ $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => app::get_baseurl()."/salmon/".$owner["nick"]);
+ xml_add_element($doc, $root, "link", "", $attributes);
+ }
+
+ if ($owner['page-flags'] == PAGE_COMMUNITY)
+ xml_add_element($doc, $root, "dfrn:community", 1);
- $rp = q("SELECT `resource-id` , `scale`, type FROM `photo`
- WHERE `profile` = 1 AND `uid` = %d ORDER BY scale;", $uid);
- $photos = array();
- $ext = Photo::supportedTypes();
- foreach($rp as $p){
- $photos[$p['scale']] = $a->get_baseurl().'/photo/'.$p['resource-id'].'-'.$p['scale'].'.'.$ext[$p['type']];
+ xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
+
+ $author = self::add_author($doc, $owner, $authorelement, $public);
+ $root->appendChild($author);
+
+ return $root;
}
- unset($rp, $ext);
- $doc = new DOMDocument('1.0', 'utf-8');
- $doc->formatOutput = true;
+ /**
+ * @brief Adds the author element in the header for the DFRN protocol
+ *
+ * @param object $doc XML document
+ * @param array $owner Owner record
+ * @param string $authorelement Element name for the author
+ *
+ * @return object XML author object
+ */
+ private function add_author($doc, $owner, $authorelement, $public) {
+
+ $author = $doc->createElement($authorelement);
+
+ $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00' , ATOM_TIME);
+ $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
+ $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
+
+ $attributes = array("dfrn:updated" => $namdate);
+ xml_add_element($doc, $author, "name", $owner["name"], $attributes);
+
+ $attributes = array("dfrn:updated" => $namdate);
+ xml_add_element($doc, $author, "uri", app::get_baseurl().'/profile/'.$owner["nickname"], $attributes);
+
+ $attributes = array("rel" => "photo", "type" => "image/jpeg", "dfrn:updated" => $picdate,
+ "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
+ xml_add_element($doc, $author, "link", "", $attributes);
+
+ $attributes = array("rel" => "avatar", "type" => "image/jpeg", "dfrn:updated" => $picdate,
+ "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
+ xml_add_element($doc, $author, "link", "", $attributes);
+
+ $birthday = feed_birthday($owner['user_uid'], $owner['timezone']);
+
+ if ($birthday)
+ xml_add_element($doc, $author, "dfrn:birthday", $birthday);
+
+ // The following fields will only be generated if this isn't for a public feed
+ if ($public)
+ return $author;
+
+ // Only show contact details when we are allowed to
+ $r = q("SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`, `user`.`timezone`,
+ `profile`.`locality`, `profile`.`region`, `profile`.`country-name`, `profile`.`pub_keywords`, `profile`.`dob`
+ FROM `profile`
+ INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
+ WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
+ intval($owner['user_uid']));
+ if ($r) {
+ $profile = $r[0];
+ xml_add_element($doc, $author, "poco:displayName", $profile["name"]);
+ xml_add_element($doc, $author, "poco:updated", $namdate);
+
+ if (trim($profile["dob"]) != "0000-00-00")
+ xml_add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
+
+ xml_add_element($doc, $author, "poco:note", $profile["about"]);
+ xml_add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]);
+
+ $savetz = date_default_timezone_get();
+ date_default_timezone_set($profile["timezone"]);
+ xml_add_element($doc, $author, "poco:utcOffset", date("P"));
+ date_default_timezone_set($savetz);
+
+ if (trim($profile["homepage"]) != "") {
+ $urls = $doc->createElement("poco:urls");
+ xml_add_element($doc, $urls, "poco:type", "homepage");
+ xml_add_element($doc, $urls, "poco:value", $profile["homepage"]);
+ xml_add_element($doc, $urls, "poco:primary", "true");
+ $author->appendChild($urls);
+ }
- $root = dfrn_add_header($doc, $owner, "dfrn:owner", "", false);
+ if (trim($profile["pub_keywords"]) != "") {
+ $keywords = explode(",", $profile["pub_keywords"]);
- $relocate = $doc->createElement("dfrn:relocate");
+ foreach ($keywords AS $keyword)
+ xml_add_element($doc, $author, "poco:tags", trim($keyword));
- xml_add_element($doc, $relocate, "dfrn:url", $owner['url']);
- xml_add_element($doc, $relocate, "dfrn:name", $owner['name']);
- xml_add_element($doc, $relocate, "dfrn:photo", $photos[4]);
- xml_add_element($doc, $relocate, "dfrn:thumb", $photos[5]);
- xml_add_element($doc, $relocate, "dfrn:micro", $photos[6]);
- xml_add_element($doc, $relocate, "dfrn:request", $owner['request']);
- xml_add_element($doc, $relocate, "dfrn:confirm", $owner['confirm']);
- xml_add_element($doc, $relocate, "dfrn:notify", $owner['notify']);
- xml_add_element($doc, $relocate, "dfrn:poll", $owner['poll']);
- xml_add_element($doc, $relocate, "dfrn:sitepubkey", get_config('system','site_pubkey'));
+ }
- $root->appendChild($relocate);
+ /// @todo When we are having the XMPP address in the profile we should propagate it here
+ $xmpp = "";
+ if (trim($xmpp) != "") {
+ $ims = $doc->createElement("poco:ims");
+ xml_add_element($doc, $ims, "poco:type", "xmpp");
+ xml_add_element($doc, $ims, "poco:value", $xmpp);
+ xml_add_element($doc, $ims, "poco:primary", "true");
+ $author->appendChild($ims);
+ }
- return(trim($doc->saveXML()));
-}
+ if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
+ $element = $doc->createElement("poco:address");
-/**
- * @brief Adds the header elements for the DFRN protocol
- *
- * @param object $doc XML document
- * @param array $owner Owner record
- * @param string $authorelement Element name for the author
- * @param string $alternatelink link to profile or category
- * @param bool $public Is it a header for public posts?
- *
- * @return object XML root object
- */
-function dfrn_add_header($doc, $owner, $authorelement, $alternatelink = "", $public = false) {
- $a = get_app();
+ xml_add_element($doc, $element, "poco:formatted", formatted_location($profile));
- if ($alternatelink == "")
- $alternatelink = $owner['url'];
+ if (trim($profile["locality"]) != "")
+ xml_add_element($doc, $element, "poco:locality", $profile["locality"]);
- $root = $doc->createElementNS(NS_ATOM, 'feed');
- $doc->appendChild($root);
+ if (trim($profile["region"]) != "")
+ xml_add_element($doc, $element, "poco:region", $profile["region"]);
- $root->setAttribute("xmlns:thr", NS_THR);
- $root->setAttribute("xmlns:at", "http://purl.org/atompub/tombstones/1.0");
- $root->setAttribute("xmlns:media", NS_MEDIA);
- $root->setAttribute("xmlns:dfrn", "http://purl.org/macgirvin/dfrn/1.0");
- $root->setAttribute("xmlns:activity", NS_ACTIVITY);
- $root->setAttribute("xmlns:georss", NS_GEORSS);
- $root->setAttribute("xmlns:poco", NS_POCO);
- $root->setAttribute("xmlns:ostatus", NS_OSTATUS);
- $root->setAttribute("xmlns:statusnet", NS_STATUSNET);
+ if (trim($profile["country-name"]) != "")
+ xml_add_element($doc, $element, "poco:country", $profile["country-name"]);
- xml_add_element($doc, $root, "id", $a->get_baseurl()."/profile/".$owner["nick"]);
- xml_add_element($doc, $root, "title", $owner["name"]);
+ $author->appendChild($element);
+ }
+ }
- $attributes = array("uri" => "https://friendi.ca", "version" => FRIENDICA_VERSION."-".DB_UPDATE_VERSION);
- xml_add_element($doc, $root, "generator", FRIENDICA_PLATFORM, $attributes);
+ return $author;
+ }
- $attributes = array("rel" => "license", "href" => "http://creativecommons.org/licenses/by/3.0/");
- xml_add_element($doc, $root, "link", "", $attributes);
+ /**
+ * @brief Adds the author elements in the "entry" elements of the DFRN protocol
+ *
+ * @param object $doc XML document
+ * @param string $element Element name for the author
+ * @param string $contact_url Link of the contact
+ * @param array $items Item elements
+ *
+ * @return object XML author object
+ */
+ private function add_entry_author($doc, $element, $contact_url, $item) {
+
+ $contact = get_contact_details_by_url($contact_url, $item["uid"]);
+
+ $author = $doc->createElement($element);
+ xml_add_element($doc, $author, "name", $contact["name"]);
+ xml_add_element($doc, $author, "uri", $contact["url"]);
+
+ /// @Todo
+ /// - Check real image type and image size
+ /// - Check which of these boths elements we should use
+ $attributes = array(
+ "rel" => "photo",
+ "type" => "image/jpeg",
+ "media:width" => 80,
+ "media:height" => 80,
+ "href" => $contact["photo"]);
+ xml_add_element($doc, $author, "link", "", $attributes);
+
+ $attributes = array(
+ "rel" => "avatar",
+ "type" => "image/jpeg",
+ "media:width" => 80,
+ "media:height" => 80,
+ "href" => $contact["photo"]);
+ xml_add_element($doc, $author, "link", "", $attributes);
- $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $alternatelink);
- xml_add_element($doc, $root, "link", "", $attributes);
+ return $author;
+ }
- ostatus_hublinks($doc, $root);
+ /**
+ * @brief Adds the activity elements
+ *
+ * @param object $doc XML document
+ * @param string $element Element name for the activity
+ * @param string $activity activity value
+ *
+ * @return object XML activity object
+ */
+ private function create_activity($doc, $element, $activity) {
+
+ if($activity) {
+ $entry = $doc->createElement($element);
+
+ $r = parse_xml_string($activity, false);
+ if(!$r)
+ return false;
+ if($r->type)
+ xml_add_element($doc, $entry, "activity:object-type", $r->type);
+ if($r->id)
+ xml_add_element($doc, $entry, "id", $r->id);
+ if($r->title)
+ xml_add_element($doc, $entry, "title", $r->title);
+ if($r->link) {
+ if(substr($r->link,0,1) === '<') {
+ if(strstr($r->link,'&') && (! strstr($r->link,'&')))
+ $r->link = str_replace('&','&', $r->link);
+
+ $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
+
+ $data = parse_xml_string($r->link, false);
+ foreach ($data->attributes() AS $parameter => $value)
+ $attributes[$parameter] = $value;
+ } else
+ $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
+
+ xml_add_element($doc, $entry, "link", "", $attributes);
+ }
+ if($r->content)
+ xml_add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
- if ($public) {
- $attributes = array("rel" => "salmon", "href" => $a->get_baseurl()."/salmon/".$owner["nick"]);
- xml_add_element($doc, $root, "link", "", $attributes);
+ return $entry;
+ }
- $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-replies", "href" => $a->get_baseurl()."/salmon/".$owner["nick"]);
- xml_add_element($doc, $root, "link", "", $attributes);
+ return false;
+ }
- $attributes = array("rel" => "http://salmon-protocol.org/ns/salmon-mention", "href" => $a->get_baseurl()."/salmon/".$owner["nick"]);
- xml_add_element($doc, $root, "link", "", $attributes);
+ /**
+ * @brief Adds the elements for attachments
+ *
+ * @param object $doc XML document
+ * @param object $root XML root
+ * @param array $item Item element
+ *
+ * @return object XML attachment object
+ */
+ private function get_attachment($doc, $root, $item) {
+ $arr = explode('[/attach],',$item['attach']);
+ if(count($arr)) {
+ foreach($arr as $r) {
+ $matches = false;
+ $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
+ if($cnt) {
+ $attributes = array("rel" => "enclosure",
+ "href" => $matches[1],
+ "type" => $matches[3]);
+
+ if(intval($matches[2]))
+ $attributes["length"] = intval($matches[2]);
+
+ if(trim($matches[4]) != "")
+ $attributes["title"] = trim($matches[4]);
+
+ xml_add_element($doc, $root, "link", "", $attributes);
+ }
+ }
+ }
}
- if ($owner['page-flags'] == PAGE_COMMUNITY)
- xml_add_element($doc, $root, "dfrn:community", 1);
+ /**
+ * @brief Adds the "entry" elements for the DFRN protocol
+ *
+ * @param object $doc XML document
+ * @param string $type "text" or "html"
+ * @param array $item Item element
+ * @param array $owner Owner record
+ * @param bool $comment Trigger the sending of the "comment" element
+ * @param int $cid Contact ID of the recipient
+ *
+ * @return object XML entry object
+ */
+ private function entry($doc, $type, $item, $owner, $comment = false, $cid = 0) {
+
+ $mentioned = array();
+
+ if(!$item['parent'])
+ return;
+
+ if($item['deleted']) {
+ $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME));
+ return xml_create_element($doc, "at:deleted-entry", "", $attributes);
+ }
- xml_add_element($doc, $root, "updated", datetime_convert("UTC", "UTC", "now", ATOM_TIME));
+ $entry = $doc->createElement("entry");
- $author = dfrn_add_author($doc, $owner, $authorelement, $public);
- $root->appendChild($author);
+ if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
+ $body = fix_private_photos($item['body'],$owner['uid'],$item,$cid);
+ else
+ $body = $item['body'];
- return $root;
-}
+ if ($type == 'html') {
+ $htmlbody = $body;
-/**
- * @brief Adds the author element in the header for the DFRN protocol
- *
- * @param object $doc XML document
- * @param array $owner Owner record
- * @param string $authorelement Element name for the author
- *
- * @return object XML author object
- */
-function dfrn_add_author($doc, $owner, $authorelement, $public) {
- $a = get_app();
+ if ($item['title'] != "")
+ $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
+
+ $htmlbody = bbcode($htmlbody, false, false, 7);
+ }
- $author = $doc->createElement($authorelement);
+ $author = self::add_entry_author($doc, "author", $item["author-link"], $item);
+ $entry->appendChild($author);
- $namdate = datetime_convert('UTC', 'UTC', $owner['name-date'].'+00:00' , ATOM_TIME);
- $uridate = datetime_convert('UTC', 'UTC', $owner['uri-date'].'+00:00', ATOM_TIME);
- $picdate = datetime_convert('UTC', 'UTC', $owner['avatar-date'].'+00:00', ATOM_TIME);
+ $dfrnowner = self::add_entry_author($doc, "dfrn:owner", $item["owner-link"], $item);
+ $entry->appendChild($dfrnowner);
- $attributes = array("dfrn:updated" => $namdate);
- xml_add_element($doc, $author, "name", $owner["name"], $attributes);
+ if(($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
+ $parent = q("SELECT `guid` FROM `item` WHERE `id` = %d", intval($item["parent"]));
+ $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
+ $attributes = array("ref" => $parent_item, "type" => "text/html", "href" => app::get_baseurl().'/display/'.$parent[0]['guid']);
+ xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
+ }
- $attributes = array("dfrn:updated" => $namdate);
- xml_add_element($doc, $author, "uri", $a->get_baseurl().'/profile/'.$owner["nickname"], $attributes);
+ xml_add_element($doc, $entry, "id", $item["uri"]);
+ xml_add_element($doc, $entry, "title", $item["title"]);
- $attributes = array("rel" => "photo", "type" => "image/jpeg", "dfrn:updated" => $picdate,
- "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
- xml_add_element($doc, $author, "link", "", $attributes);
+ xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
+ xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
- $attributes = array("rel" => "avatar", "type" => "image/jpeg", "dfrn:updated" => $picdate,
- "media:width" => 175, "media:height" => 175, "href" => $owner['photo']);
- xml_add_element($doc, $author, "link", "", $attributes);
+ xml_add_element($doc, $entry, "dfrn:env", base64url_encode($body, true));
+ xml_add_element($doc, $entry, "content", (($type === 'html') ? $htmlbody : $body), array("type" => $type));
- $birthday = feed_birthday($owner['user_uid'], $owner['timezone']);
+ xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
+ "href" => app::get_baseurl()."/display/".$item["guid"]));
- if ($birthday)
- xml_add_element($doc, $author, "dfrn:birthday", $birthday);
+ // "comment-allow" is some old fashioned stuff for old Friendica versions.
+ // It is included in the rewritten code for completeness
+ if ($comment)
+ xml_add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
- // The following fields will only be generated if this isn't for a public feed
- if ($public)
- return $author;
+ if($item['location'])
+ xml_add_element($doc, $entry, "dfrn:location", $item['location']);
- // Only show contact details when we are allowed to
- $r = q("SELECT `profile`.`about`, `profile`.`name`, `profile`.`homepage`, `user`.`nickname`, `user`.`timezone`,
- `profile`.`locality`, `profile`.`region`, `profile`.`country-name`, `profile`.`pub_keywords`, `profile`.`dob`
- FROM `profile`
- INNER JOIN `user` ON `user`.`uid` = `profile`.`uid`
- WHERE `profile`.`is-default` AND NOT `user`.`hidewall` AND `user`.`uid` = %d",
- intval($owner['user_uid']));
- if ($r) {
- $profile = $r[0];
- xml_add_element($doc, $author, "poco:displayName", $profile["name"]);
- xml_add_element($doc, $author, "poco:updated", $namdate);
-
- if (trim($profile["dob"]) != "0000-00-00")
- xml_add_element($doc, $author, "poco:birthday", "0000-".date("m-d", strtotime($profile["dob"])));
-
- xml_add_element($doc, $author, "poco:note", $profile["about"]);
- xml_add_element($doc, $author, "poco:preferredUsername", $profile["nickname"]);
-
- $savetz = date_default_timezone_get();
- date_default_timezone_set($profile["timezone"]);
- xml_add_element($doc, $author, "poco:utcOffset", date("P"));
- date_default_timezone_set($savetz);
-
- if (trim($profile["homepage"]) != "") {
- $urls = $doc->createElement("poco:urls");
- xml_add_element($doc, $urls, "poco:type", "homepage");
- xml_add_element($doc, $urls, "poco:value", $profile["homepage"]);
- xml_add_element($doc, $urls, "poco:primary", "true");
- $author->appendChild($urls);
- }
+ if($item['coord'])
+ xml_add_element($doc, $entry, "georss:point", $item['coord']);
- if (trim($profile["pub_keywords"]) != "") {
- $keywords = explode(",", $profile["pub_keywords"]);
+ if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
+ xml_add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
- foreach ($keywords AS $keyword)
- xml_add_element($doc, $author, "poco:tags", trim($keyword));
+ if($item['extid'])
+ xml_add_element($doc, $entry, "dfrn:extid", $item['extid']);
- }
+ if($item['bookmark'])
+ xml_add_element($doc, $entry, "dfrn:bookmark", "true");
+
+ if($item['app'])
+ xml_add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
- /// @todo When we are having the XMPP address in the profile we should propagate it here
- $xmpp = "";
- if (trim($xmpp) != "") {
- $ims = $doc->createElement("poco:ims");
- xml_add_element($doc, $ims, "poco:type", "xmpp");
- xml_add_element($doc, $ims, "poco:value", $xmpp);
- xml_add_element($doc, $ims, "poco:primary", "true");
- $author->appendChild($ims);
+ xml_add_element($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
+
+ // The signed text contains the content in Markdown, the sender handle and the signatur for the content
+ // It is needed for relayed comments to Diaspora.
+ if($item['signed_text']) {
+ $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
+ xml_add_element($doc, $entry, "dfrn:diaspora_signature", $sign);
}
- if (trim($profile["locality"].$profile["region"].$profile["country-name"]) != "") {
- $element = $doc->createElement("poco:address");
+ xml_add_element($doc, $entry, "activity:verb", construct_verb($item));
- xml_add_element($doc, $element, "poco:formatted", formatted_location($profile));
+ $actobj = self::create_activity($doc, "activity:object", $item['object']);
+ if ($actobj)
+ $entry->appendChild($actobj);
- if (trim($profile["locality"]) != "")
- xml_add_element($doc, $element, "poco:locality", $profile["locality"]);
+ $actarg = self::create_activity($doc, "activity:target", $item['target']);
+ if ($actarg)
+ $entry->appendChild($actarg);
- if (trim($profile["region"]) != "")
- xml_add_element($doc, $element, "poco:region", $profile["region"]);
+ $tags = item_getfeedtags($item);
- if (trim($profile["country-name"]) != "")
- xml_add_element($doc, $element, "poco:country", $profile["country-name"]);
+ if(count($tags)) {
+ foreach($tags as $t)
+ if (($type != 'html') OR ($t[0] != "@"))
+ xml_add_element($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
+ }
- $author->appendChild($element);
+ if(count($tags))
+ foreach($tags as $t)
+ if ($t[0] == "@")
+ $mentioned[$t[1]] = $t[1];
+
+ foreach ($mentioned AS $mention) {
+ $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
+ intval($owner["uid"]),
+ dbesc(normalise_link($mention)));
+ if ($r[0]["forum"] OR $r[0]["prv"])
+ xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
+ "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
+ "href" => $mention));
+ else
+ xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
+ "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
+ "href" => $mention));
}
+
+ self::get_attachment($doc, $entry, $item);
+
+ return $entry;
}
- return $author;
-}
+ /**
+ * @brief Delivers the atom content to the contacts
+ *
+ * @param array $owner Owner record
+ * @param array $contactr Contact record of the receiver
+ * @param string $atom Content that will be transmitted
+ * @param bool $dissolve (to be documented)
+ *
+ * @return int Deliver status. -1 means an error.
+ */
+ function deliver($owner,$contact,$atom, $dissolve = false) {
-/**
- * @brief Adds the author elements in the "entry" elements of the DFRN protocol
- *
- * @param object $doc XML document
- * @param string $element Element name for the author
- * @param string $contact_url Link of the contact
- * @param array $items Item elements
- *
- * @return object XML author object
- */
-function dfrn_add_entry_author($doc, $element, $contact_url, $item) {
- $a = get_app();
-
- $contact = get_contact_details_by_url($contact_url, $item["uid"]);
-
- $author = $doc->createElement($element);
- xml_add_element($doc, $author, "name", $contact["name"]);
- xml_add_element($doc, $author, "uri", $contact["url"]);
-
- /// @Todo
- /// - Check real image type and image size
- /// - Check which of these boths elements we should use
- $attributes = array(
- "rel" => "photo",
- "type" => "image/jpeg",
- "media:width" => 80,
- "media:height" => 80,
- "href" => $contact["photo"]);
- xml_add_element($doc, $author, "link", "", $attributes);
-
- $attributes = array(
- "rel" => "avatar",
- "type" => "image/jpeg",
- "media:width" => 80,
- "media:height" => 80,
- "href" => $contact["photo"]);
- xml_add_element($doc, $author, "link", "", $attributes);
-
- return $author;
-}
+ $a = get_app();
-/**
- * @brief Adds the activity elements
- *
- * @param object $doc XML document
- * @param string $element Element name for the activity
- * @param string $activity activity value
- *
- * @return object XML activity object
- */
-function dfrn_create_activity($doc, $element, $activity) {
-
- if($activity) {
- $entry = $doc->createElement($element);
-
- $r = parse_xml_string($activity, false);
- if(!$r)
- return false;
- if($r->type)
- xml_add_element($doc, $entry, "activity:object-type", $r->type);
- if($r->id)
- xml_add_element($doc, $entry, "id", $r->id);
- if($r->title)
- xml_add_element($doc, $entry, "title", $r->title);
- if($r->link) {
- if(substr($r->link,0,1) === '<') {
- if(strstr($r->link,'&') && (! strstr($r->link,'&')))
- $r->link = str_replace('&','&', $r->link);
-
- $r->link = preg_replace('/\<link(.*?)\"\>/','<link$1"/>',$r->link);
-
- $data = parse_xml_string($r->link, false);
- foreach ($data->attributes() AS $parameter => $value)
- $attributes[$parameter] = $value;
- } else
- $attributes = array("rel" => "alternate", "type" => "text/html", "href" => $r->link);
+ $idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
+
+ if($contact['duplex'] && $contact['dfrn-id'])
+ $idtosend = '0:' . $orig_id;
+ if($contact['duplex'] && $contact['issued-id'])
+ $idtosend = '1:' . $orig_id;
- xml_add_element($doc, $entry, "link", "", $attributes);
+
+ $rino = get_config('system','rino_encrypt');
+ $rino = intval($rino);
+ // use RINO1 if mcrypt isn't installed and RINO2 was selected
+ if ($rino==2 and !function_exists('mcrypt_create_iv')) $rino=1;
+
+ logger("Local rino version: ". $rino, LOGGER_DEBUG);
+
+ $ssl_val = intval(get_config('system','ssl_policy'));
+ $ssl_policy = '';
+
+ switch($ssl_val){
+ case SSL_POLICY_FULL:
+ $ssl_policy = 'full';
+ break;
+ case SSL_POLICY_SELFSIGN:
+ $ssl_policy = 'self';
+ break;
+ case SSL_POLICY_NONE:
+ default:
+ $ssl_policy = 'none';
+ break;
}
- if($r->content)
- xml_add_element($doc, $entry, "content", bbcode($r->content), array("type" => "html"));
- return $entry;
- }
+ $url = $contact['notify'] . '&dfrn_id=' . $idtosend . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . (($rino) ? '&rino='.$rino : '');
- return false;
-}
+ logger('dfrn_deliver: ' . $url);
-/**
- * @brief Adds the elements for attachments
- *
- * @param object $doc XML document
- * @param object $root XML root
- * @param array $item Item element
- *
- * @return object XML attachment object
- */
-function dfrn_get_attachment($doc, $root, $item) {
- $arr = explode('[/attach],',$item['attach']);
- if(count($arr)) {
- foreach($arr as $r) {
- $matches = false;
- $cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches);
- if($cnt) {
- $attributes = array("rel" => "enclosure",
- "href" => $matches[1],
- "type" => $matches[3]);
-
- if(intval($matches[2]))
- $attributes["length"] = intval($matches[2]);
-
- if(trim($matches[4]) != "")
- $attributes["title"] = trim($matches[4]);
-
- xml_add_element($doc, $root, "link", "", $attributes);
- }
+ $xml = fetch_url($url);
+
+ $curl_stat = $a->get_curl_code();
+ if(! $curl_stat)
+ return(-1); // timed out
+
+ logger('dfrn_deliver: ' . $xml, LOGGER_DATA);
+
+ if(! $xml)
+ return 3;
+
+ if(strpos($xml,'<?xml') === false) {
+ logger('dfrn_deliver: no valid XML returned');
+ logger('dfrn_deliver: returned XML: ' . $xml, LOGGER_DATA);
+ return 3;
}
- }
-}
-/**
- * @brief Adds the "entry" elements for the DFRN protocol
- *
- * @param object $doc XML document
- * @param string $type "text" or "html"
- * @param array $item Item element
- * @param array $owner Owner record
- * @param bool $comment Trigger the sending of the "comment" element
- * @param int $cid
- *
- * @return object XML entry object
- */
-function dfrn_entry($doc, $type, $item, $owner, $comment = false, $cid = 0) {
- $a = get_app();
+ $res = parse_xml_string($xml);
- $mentioned = array();
+ if((intval($res->status) != 0) || (! strlen($res->challenge)) || (! strlen($res->dfrn_id)))
+ return (($res->status) ? $res->status : 3);
- if(!$item['parent'])
- return;
+ $postvars = array();
+ $sent_dfrn_id = hex2bin((string) $res->dfrn_id);
+ $challenge = hex2bin((string) $res->challenge);
+ $perm = (($res->perm) ? $res->perm : null);
+ $dfrn_version = (float) (($res->dfrn_version) ? $res->dfrn_version : 2.0);
+ $rino_remote_version = intval($res->rino);
+ $page = (($owner['page-flags'] == PAGE_COMMUNITY) ? 1 : 0);
- if($item['deleted']) {
- $attributes = array("ref" => $item['uri'], "when" => datetime_convert('UTC','UTC',$item['edited'] . '+00:00',ATOM_TIME));
- return xml_create_element($doc, "at:deleted-entry", "", $attributes);
- }
+ logger("Remote rino version: ".$rino_remote_version." for ".$contact["url"], LOGGER_DEBUG);
- $entry = $doc->createElement("entry");
+ if($owner['page-flags'] == PAGE_PRVGROUP)
+ $page = 2;
- if($item['allow_cid'] || $item['allow_gid'] || $item['deny_cid'] || $item['deny_gid'])
- $body = fix_private_photos($item['body'],$owner['uid'],$item,$cid);
- else
- $body = $item['body'];
+ $final_dfrn_id = '';
- if ($type == 'html') {
- $htmlbody = $body;
+ if($perm) {
+ if((($perm == 'rw') && (! intval($contact['writable'])))
+ || (($perm == 'r') && (intval($contact['writable'])))) {
+ q("update contact set writable = %d where id = %d",
+ intval(($perm == 'rw') ? 1 : 0),
+ intval($contact['id'])
+ );
+ $contact['writable'] = (string) 1 - intval($contact['writable']);
+ }
+ }
- if ($item['title'] != "")
- $htmlbody = "[b]".$item['title']."[/b]\n\n".$htmlbody;
+ if(($contact['duplex'] && strlen($contact['pubkey']))
+ || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
+ || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey']))) {
+ openssl_public_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['pubkey']);
+ openssl_public_decrypt($challenge,$postvars['challenge'],$contact['pubkey']);
+ } else {
+ openssl_private_decrypt($sent_dfrn_id,$final_dfrn_id,$contact['prvkey']);
+ openssl_private_decrypt($challenge,$postvars['challenge'],$contact['prvkey']);
+ }
- $htmlbody = bbcode($htmlbody, false, false, 7);
- }
+ $final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
- $author = dfrn_add_entry_author($doc, "author", $item["author-link"], $item);
- $entry->appendChild($author);
+ if(strpos($final_dfrn_id,':') == 1)
+ $final_dfrn_id = substr($final_dfrn_id,2);
- $dfrnowner = dfrn_add_entry_author($doc, "dfrn:owner", $item["owner-link"], $item);
- $entry->appendChild($dfrnowner);
+ if($final_dfrn_id != $orig_id) {
+ logger('dfrn_deliver: wrong dfrn_id.');
+ // did not decode properly - cannot trust this site
+ return 3;
+ }
+
+ $postvars['dfrn_id'] = $idtosend;
+ $postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
+ if($dissolve)
+ $postvars['dissolve'] = '1';
- if(($item['parent'] != $item['id']) || ($item['parent-uri'] !== $item['uri']) || (($item['thr-parent'] !== '') && ($item['thr-parent'] !== $item['uri']))) {
- $parent = q("SELECT `guid` FROM `item` WHERE `id` = %d", intval($item["parent"]));
- $parent_item = (($item['thr-parent']) ? $item['thr-parent'] : $item['parent-uri']);
- $attributes = array("ref" => $parent_item, "type" => "text/html", "href" => $a->get_baseurl().'/display/'.$parent[0]['guid']);
- xml_add_element($doc, $entry, "thr:in-reply-to", "", $attributes);
- }
- xml_add_element($doc, $entry, "id", $item["uri"]);
- xml_add_element($doc, $entry, "title", $item["title"]);
+ if((($contact['rel']) && ($contact['rel'] != CONTACT_IS_SHARING) && (! $contact['blocked'])) || ($owner['page-flags'] == PAGE_COMMUNITY)) {
+ $postvars['data'] = $atom;
+ $postvars['perm'] = 'rw';
+ } else {
+ $postvars['data'] = str_replace('<dfrn:comment-allow>1','<dfrn:comment-allow>0',$atom);
+ $postvars['perm'] = 'r';
+ }
- xml_add_element($doc, $entry, "published", datetime_convert("UTC","UTC",$item["created"]."+00:00",ATOM_TIME));
- xml_add_element($doc, $entry, "updated", datetime_convert("UTC","UTC",$item["edited"]."+00:00",ATOM_TIME));
+ $postvars['ssl_policy'] = $ssl_policy;
+
+ if($page)
+ $postvars['page'] = $page;
+
+
+ if($rino>0 && $rino_remote_version>0 && (! $dissolve)) {
+ logger('rino version: '. $rino_remote_version);
+
+ switch($rino_remote_version) {
+ case 1:
+ // Deprecated rino version!
+ $key = substr(random_string(),0,16);
+ $data = aes_encrypt($postvars['data'],$key);
+ break;
+ case 2:
+ // RINO 2 based on php-encryption
+ try {
+ $key = Crypto::createNewRandomKey();
+ } catch (CryptoTestFailed $ex) {
+ logger('Cannot safely create a key');
+ return -1;
+ } catch (CannotPerformOperation $ex) {
+ logger('Cannot safely create a key');
+ return -1;
+ }
+ try {
+ $data = Crypto::encrypt($postvars['data'], $key);
+ } catch (CryptoTestFailed $ex) {
+ logger('Cannot safely perform encryption');
+ return -1;
+ } catch (CannotPerformOperation $ex) {
+ logger('Cannot safely perform encryption');
+ return -1;
+ }
+ break;
+ default:
+ logger("rino: invalid requested verision '$rino_remote_version'");
+ return -1;
+ }
- xml_add_element($doc, $entry, "dfrn:env", base64url_encode($body, true));
- xml_add_element($doc, $entry, "content", (($type === 'html') ? $htmlbody : $body), array("type" => $type));
+ $postvars['rino'] = $rino_remote_version;
+ $postvars['data'] = bin2hex($data);
- xml_add_element($doc, $entry, "link", "", array("rel" => "alternate", "type" => "text/html",
- "href" => $a->get_baseurl()."/display/".$item["guid"]));
+ #logger('rino: sent key = ' . $key, LOGGER_DEBUG);
- if ($comment)
- xml_add_element($doc, $entry, "dfrn:comment-allow", intval($item['last-child']));
- if($item['location'])
- xml_add_element($doc, $entry, "dfrn:location", $item['location']);
+ if($dfrn_version >= 2.1) {
+ if(($contact['duplex'] && strlen($contact['pubkey']))
+ || ($owner['page-flags'] == PAGE_COMMUNITY && strlen($contact['pubkey']))
+ || ($contact['rel'] == CONTACT_IS_SHARING && strlen($contact['pubkey'])))
- if($item['coord'])
- xml_add_element($doc, $entry, "georss:point", $item['coord']);
+ openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
+ else
+ openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
- if(($item['private']) || strlen($item['allow_cid']) || strlen($item['allow_gid']) || strlen($item['deny_cid']) || strlen($item['deny_gid']))
- xml_add_element($doc, $entry, "dfrn:private", (($item['private']) ? $item['private'] : 1));
+ } else {
+ if(($contact['duplex'] && strlen($contact['prvkey'])) || ($owner['page-flags'] == PAGE_COMMUNITY))
+ openssl_private_encrypt($key,$postvars['key'],$contact['prvkey']);
+ else
+ openssl_public_encrypt($key,$postvars['key'],$contact['pubkey']);
- if($item['extid'])
- xml_add_element($doc, $entry, "dfrn:extid", $item['extid']);
+ }
- if($item['bookmark'])
- xml_add_element($doc, $entry, "dfrn:bookmark", "true");
+ logger('md5 rawkey ' . md5($postvars['key']));
- if($item['app'])
- xml_add_element($doc, $entry, "statusnet:notice_info", "", array("local_id" => $item['id'], "source" => $item['app']));
+ $postvars['key'] = bin2hex($postvars['key']);
+ }
- xml_add_element($doc, $entry, "dfrn:diaspora_guid", $item["guid"]);
- if($item['signed_text']) {
- $sign = base64_encode(json_encode(array('signed_text' => $item['signed_text'],'signature' => $item['signature'],'signer' => $item['signer'])));
- xml_add_element($doc, $entry, "dfrn:diaspora_signature", $sign);
- }
+ logger('dfrn_deliver: ' . "SENDING: " . print_r($postvars,true), LOGGER_DATA);
- xml_add_element($doc, $entry, "activity:verb", construct_verb($item));
+ $xml = post_url($contact['notify'],$postvars);
- $actobj = dfrn_create_activity($doc, "activity:object", $item['object']);
- if ($actobj)
- $entry->appendChild($actobj);
+ logger('dfrn_deliver: ' . "RECEIVED: " . $xml, LOGGER_DATA);
- $actarg = dfrn_create_activity($doc, "activity:target", $item['target']);
- if ($actarg)
- $entry->appendChild($actarg);
+ $curl_stat = $a->get_curl_code();
+ if((! $curl_stat) || (! strlen($xml)))
+ return(-1); // timed out
- $tags = item_getfeedtags($item);
+ if(($curl_stat == 503) && (stristr($a->get_curl_headers(),'retry-after')))
+ return(-1);
- if(count($tags)) {
- foreach($tags as $t)
- if (($type != 'html') OR ($t[0] != "@"))
- xml_add_element($doc, $entry, "category", "", array("scheme" => "X-DFRN:".$t[0].":".$t[1], "term" => $t[2]));
- }
+ if(strpos($xml,'<?xml') === false) {
+ logger('dfrn_deliver: phase 2: no valid XML returned');
+ logger('dfrn_deliver: phase 2: returned XML: ' . $xml, LOGGER_DATA);
+ return 3;
+ }
- if(count($tags))
- foreach($tags as $t)
- if ($t[0] == "@")
- $mentioned[$t[1]] = $t[1];
-
- foreach ($mentioned AS $mention) {
- $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
- intval($owner["uid"]),
- dbesc(normalise_link($mention)));
- if ($r[0]["forum"] OR $r[0]["prv"])
- xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
- "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
- "href" => $mention));
- else
- xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
- "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
- "href" => $mention));
- }
+ if($contact['term-date'] != '0000-00-00 00:00:00') {
+ logger("dfrn_deliver: $url back from the dead - removing mark for death");
+ require_once('include/Contact.php');
+ unmark_for_death($contact);
+ }
- dfrn_get_attachment($doc, $entry, $item);
+ $res = parse_xml_string($xml);
- return $entry;
+ return $res->status;
+ }
}
projects / friendica.git / blobdiff