--- /dev/null
+<?php
+
+/**
+ * @brief add/remove activity to an item
+ *
+ * Toggle activities as like,dislike,attend of an item
+ *
+ * @param string $item_id
+ * @param string $verb
+ * Activity verb. One of
+ * like, unlike, dislike, undislike, attendyes, unattendyes,
+ * attendno, unattendno, attendmaybe, unattendmaybe
+ * @hook 'post_local_end'
+ * array $arr
+ * 'post_id' => ID of posted item
+ */
+function do_like($item_id, $verb) {
+ $a = get_app();
+
+ if(! local_user() && ! remote_user()) {
+ return false;
+ }
+
+ switch($verb) {
+ case 'like':
+ case 'unlike':
+ $activity = ACTIVITY_LIKE;
+ break;
+ case 'dislike':
+ case 'undislike':
+ $activity = ACTIVITY_DISLIKE;
+ break;
+ case 'attendyes':
+ case 'unattendyes':
+ $activity = ACTIVITY_ATTEND;
+ break;
+ case 'attendno':
+ case 'unattendno':
+ $activity = ACTIVITY_ATTENDNO;
+ break;
+ case 'attendmaybe':
+ case 'unattendmaybe':
+ $activity = ACTIVITY_ATTENDMAYBE;
+ break;
+ default:
+ return;
+ break;
+ }
+
+
+ logger('like: verb ' . $verb . ' item ' . $item_id);
+
+
+ $r = q("SELECT * FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
+ dbesc($item_id),
+ dbesc($item_id)
+ );
+
+ if(! $item_id || (! count($r))) {
+ logger('like: no item ' . $item_id);
+ return false;
+ }
+
+ $item = $r[0];
+
+ $owner_uid = $item['uid'];
+
+ if(! can_write_wall($a,$owner_uid)) {
+ return false;
+ }
+
+ $remote_owner = null;
+
+ if(! $item['wall']) {
+ // The top level post may have been written by somebody on another system
+ $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ intval($item['contact-id']),
+ intval($item['uid'])
+ );
+ if(! count($r))
+ return false;
+ if(! $r[0]['self'])
+ $remote_owner = $r[0];
+ }
+
+ // this represents the post owner on this system.
+
+ $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
+ WHERE `contact`.`self` = 1 AND `contact`.`uid` = %d LIMIT 1",
+ intval($owner_uid)
+ );
+ if(count($r))
+ $owner = $r[0];
+
+ if(! $owner) {
+ logger('like: no owner');
+ return false;
+ }
+
+ if(! $remote_owner)
+ $remote_owner = $owner;
+
+
+ // This represents the person posting
+
+ if((local_user()) && (local_user() == $owner_uid)) {
+ $contact = $owner;
+ }
+ else {
+ $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+ intval($_SESSION['visitor_id']),
+ intval($owner_uid)
+ );
+ if(count($r))
+ $contact = $r[0];
+ }
+ if(! $contact) {
+ return false;
+ }
+
+
+ $verbs = " '".dbesc($activity)."' ";
+
+ // event participation are essentially radio toggles. If you make a subsequent choice,
+ // we need to eradicate your first choice.
+ if($activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE) {
+ $verbs = " '" . dbesc(ACTIVITY_ATTEND) . "','" . dbesc(ACTIVITY_ATTENDNO) . "','" . dbesc(ACTIVITY_ATTENDMAYBE) . "' ";
+ }
+
+ $r = q("SELECT `id`, `guid` FROM `item` WHERE `verb` IN ( $verbs ) AND `deleted` = 0
+ AND `contact-id` = %d AND `uid` = %d
+ AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s') LIMIT 1",
+ intval($contact['id']), intval($owner_uid),
+ dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
+ );
+
+ if(count($r)) {
+ $like_item = $r[0];
+
+ // Already voted, undo it
+ $r = q("UPDATE `item` SET `deleted` = 1, `unseen` = 1, `changed` = '%s' WHERE `id` = %d",
+ dbesc(datetime_convert()),
+ intval($like_item['id'])
+ );
+
+
+ // Clean up the Diaspora signatures for this like
+ // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
+ // if it had been enabled in the past
+ $r = q("DELETE FROM `sign` WHERE `iid` = %d",
+ intval($like_item['id'])
+ );
+
+ // Save the author information for the unlike in case we need to relay to Diaspora
+ store_diaspora_like_retract_sig($activity, $item, $like_item, $contact);
+
+ $like_item_id = $like_item['id'];
+ proc_run('php',"include/notifier.php","like","$like_item_id");
+
+ return true;
+ }
+
+ $uri = item_new_uri($a->get_hostname(),$owner_uid);
+
+ $post_type = (($item['resource-id']) ? t('photo') : t('status'));
+ if($item['obj_type'] === ACTIVITY_OBJ_EVENT)
+ $post_type = t('event');
+ $objtype = (($item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
+ $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . '" />' . "\n") ;
+ $body = $item['body'];
+
+ $obj = <<< EOT
+
+ <object>
+ <type>$objtype</type>
+ <local>1</local>
+ <id>{$item['uri']}</id>
+ <link>$link</link>
+ <title></title>
+ <content>$body</content>
+ </object>
+EOT;
+ if($verb === 'like')
+ $bodyverb = t('%1$s likes %2$s\'s %3$s');
+ if($verb === 'dislike')
+ $bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
+ if($verb === 'attendyes')
+ $bodyverb = t('%1$s is attending %2$s\'s %3$s');
+ if($verb === 'attendno')
+ $bodyverb = t('%1$s is not attending %2$s\'s %3$s');
+ if($verb === 'attendmaybe')
+ $bodyverb = t('%1$s may attend %2$s\'s %3$s');
+
+ if(! isset($bodyverb))
+ return false;
+
+ $arr = array();
+
+ $arr['uri'] = $uri;
+ $arr['uid'] = $owner_uid;
+ $arr['contact-id'] = $contact['id'];
+ $arr['type'] = 'activity';
+ $arr['wall'] = $item['wall'];
+ $arr['origin'] = 1;
+ $arr['gravity'] = GRAVITY_LIKE;
+ $arr['parent'] = $item['id'];
+ $arr['parent-uri'] = $item['uri'];
+ $arr['thr-parent'] = $item['uri'];
+ $arr['owner-name'] = $remote_owner['name'];
+ $arr['owner-link'] = $remote_owner['url'];
+ $arr['owner-avatar'] = $remote_owner['thumb'];
+ $arr['author-name'] = $contact['name'];
+ $arr['author-link'] = $contact['url'];
+ $arr['author-avatar'] = $contact['thumb'];
+
+ $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
+ $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
+ $plink = '[url=' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
+ $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
+
+ $arr['verb'] = $activity;
+ $arr['object-type'] = $objtype;
+ $arr['object'] = $obj;
+ $arr['allow_cid'] = $item['allow_cid'];
+ $arr['allow_gid'] = $item['allow_gid'];
+ $arr['deny_cid'] = $item['deny_cid'];
+ $arr['deny_gid'] = $item['deny_gid'];
+ $arr['visible'] = 1;
+ $arr['unseen'] = 1;
+ $arr['last-child'] = 0;
+
+ $post_id = item_store($arr);
+
+ if(! $item['visible']) {
+ $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d AND `uid` = %d",
+ intval($item['id']),
+ intval($owner_uid)
+ );
+ }
+
+
+ // Save the author information for the like in case we need to relay to Diaspora
+ store_diaspora_like_sig($activity, $post_type, $contact, $post_id);
+
+ $arr['id'] = $post_id;
+
+ call_hooks('post_local_end', $arr);
+
+ proc_run('php',"include/notifier.php","like","$post_id");
+
+ return true;
+}
+
+
+
+function store_diaspora_like_retract_sig($activity, $item, $like_item, $contact) {
+ // Note that we can only create a signature for a user of the local server. We don't have
+ // a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it
+ // means we are the relay, and for relayable_retractions, Diaspora
+ // only checks the parent_author_signature if it doesn't have to relay further
+ //
+ // If $item['resource-id'] exists, it means the item is a photo. Diaspora doesn't support
+ // likes on photos, so don't bother.
+
+ $enabled = intval(get_config('system','diaspora_enabled'));
+ if(! $enabled) {
+ logger('mod_like: diaspora support disabled, not storing like retraction signature', LOGGER_DEBUG);
+ return;
+ }
+
+ logger('mod_like: storing diaspora like retraction signature');
+
+ if(($activity === ACTIVITY_LIKE) && (! $item['resource-id'])) {
+ $signed_text = $like_item['guid'] . ';' . 'Like';
+
+ // Only works for NETWORK_DFRN
+ $contact_baseurl_start = strpos($contact['url'],'://') + 3;
+ $contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start;
+ $contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length);
+ $diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
+
+ // Get contact's private key if he's a user of the local Friendica server
+ $r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
+ dbesc($contact['url'])
+ );
+
+ if( $r) {
+ $contact_uid = $r['uid'];
+ $r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1",
+ intval($contact_uid)
+ );
+
+ if( $r)
+ $authorsig = base64_encode(rsa_sign($signed_text,$r['prvkey'],'sha256'));
+ }
+
+ if(! isset($authorsig))
+ $authorsig = '';
+
+ q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ intval($like_item['id']),
+ dbesc($signed_text),
+ dbesc($authorsig),
+ dbesc($diaspora_handle)
+ );
+ }
+
+ return;
+}
+
+function store_diaspora_like_sig($activity, $post_type, $contact, $post_id) {
+ // Note that we can only create a signature for a user of the local server. We don't have
+ // a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it
+ // means we are the relay, and for relayable_retractions, Diaspora
+ // only checks the parent_author_signature if it doesn't have to relay further
+
+ $enabled = intval(get_config('system','diaspora_enabled'));
+ if(! $enabled) {
+ logger('mod_like: diaspora support disabled, not storing like signature', LOGGER_DEBUG);
+ return;
+ }
+
+ logger('mod_like: storing diaspora like signature');
+
+ if(($activity === ACTIVITY_LIKE) && ($post_type === t('status'))) {
+ // Only works for NETWORK_DFRN
+ $contact_baseurl_start = strpos($contact['url'],'://') + 3;
+ $contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start;
+ $contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length);
+ $diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
+
+ // Get contact's private key if he's a user of the local Friendica server
+ $r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
+ dbesc($contact['url'])
+ );
+
+ if( $r) {
+ $contact_uid = $r['uid'];
+ $r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1",
+ intval($contact_uid)
+ );
+
+ if( $r)
+ $contact_uprvkey = $r['prvkey'];
+ }
+
+ $r = q("SELECT guid, parent FROM `item` WHERE id = %d LIMIT 1",
+ intval($post_id)
+ );
+ if( $r) {
+ $p = q("SELECT guid FROM `item` WHERE id = %d AND parent = %d LIMIT 1",
+ intval($r[0]['parent']),
+ intval($r[0]['parent'])
+ );
+ if( $p) {
+ $signed_text = $r[0]['guid'] . ';Post;' . $p[0]['guid'] . ';true;' . $diaspora_handle;
+
+ if(isset($contact_uprvkey))
+ $authorsig = base64_encode(rsa_sign($signed_text,$contact_uprvkey,'sha256'));
+ else
+ $authorsig = '';
+
+ q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
+ intval($post_id),
+ dbesc($signed_text),
+ dbesc($authorsig),
+ dbesc($diaspora_handle)
+ );
+ }
+ }
+ }
+
+ return;
+}
require_once('include/security.php');
require_once('include/bbcode.php');
require_once('include/items.php');
-
+require_once('include/like.php');
function like_content(&$a) {
-
if(! local_user() && ! remote_user()) {
- return;
+ return false;
}
+
$verb = notags(trim($_GET['verb']));
if(! $verb)
$verb = 'like';
-
- switch($verb) {
- case 'like':
- case 'unlike':
- $activity = ACTIVITY_LIKE;
- break;
- case 'dislike':
- case 'undislike':
- $activity = ACTIVITY_DISLIKE;
- break;
- case 'attendyes':
- case 'unattendyes':
- $activity = ACTIVITY_ATTEND;
- break;
- case 'attendno':
- case 'unattendno':
- $activity = ACTIVITY_ATTENDNO;
- break;
- case 'attendmaybe':
- case 'unattendmaybe':
- $activity = ACTIVITY_ATTENDMAYBE;
- break;
- default:
- return;
- break;
- }
-
-
$item_id = (($a->argc > 1) ? notags(trim($a->argv[1])) : 0);
- logger('like: verb ' . $verb . ' item ' . $item_id);
-
-
- $r = q("SELECT * FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
- dbesc($item_id),
- dbesc($item_id)
- );
-
- if(! $item_id || (! count($r))) {
- logger('like: no item ' . $item_id);
- return;
- }
-
- $item = $r[0];
-
- $owner_uid = $item['uid'];
-
- if(! can_write_wall($a,$owner_uid)) {
- return;
- }
-
- $remote_owner = null;
-
- if(! $item['wall']) {
- // The top level post may have been written by somebody on another system
- $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval($item['contact-id']),
- intval($item['uid'])
- );
- if(! count($r))
- return;
- if(! $r[0]['self'])
- $remote_owner = $r[0];
- }
-
- // this represents the post owner on this system.
-
- $r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
- WHERE `contact`.`self` = 1 AND `contact`.`uid` = %d LIMIT 1",
- intval($owner_uid)
- );
- if(count($r))
- $owner = $r[0];
-
- if(! $owner) {
- logger('like: no owner');
- return;
- }
-
- if(! $remote_owner)
- $remote_owner = $owner;
-
-
- // This represents the person posting
-
- if((local_user()) && (local_user() == $owner_uid)) {
- $contact = $owner;
- }
- else {
- $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval($_SESSION['visitor_id']),
- intval($owner_uid)
- );
- if(count($r))
- $contact = $r[0];
- }
- if(! $contact) {
- return;
- }
-
+ $r = do_like($item_id, $verb);
+ if (!$r) return;
// See if we've been passed a return path to redirect to
$return_path = ((x($_REQUEST,'return')) ? $_REQUEST['return'] : '');
- $verbs = " '".dbesc($activity)."' ";
-
- // event participation are essentially radio toggles. If you make a subsequent choice,
- // we need to eradicate your first choice.
- if($activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE) {
- $verbs = " '" . dbesc(ACTIVITY_ATTEND) . "','" . dbesc(ACTIVITY_ATTENDNO) . "','" . dbesc(ACTIVITY_ATTENDMAYBE) . "' ";
- }
-
- $r = q("SELECT `id`, `guid` FROM `item` WHERE `verb` IN ( $verbs ) AND `deleted` = 0
- AND `contact-id` = %d AND `uid` = %d
- AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s') LIMIT 1",
- intval($contact['id']), intval($owner_uid),
- dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
- );
-
- if(count($r)) {
- $like_item = $r[0];
-
- // Already voted, undo it
- $r = q("UPDATE `item` SET `deleted` = 1, `unseen` = 1, `changed` = '%s' WHERE `id` = %d",
- dbesc(datetime_convert()),
- intval($like_item['id'])
- );
-
-
- // Clean up the Diaspora signatures for this like
- // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
- // if it had been enabled in the past
- $r = q("DELETE FROM `sign` WHERE `iid` = %d",
- intval($like_item['id'])
- );
-
- // Save the author information for the unlike in case we need to relay to Diaspora
- store_diaspora_like_retract_sig($activity, $item, $like_item, $contact);
-
-// proc_run('php',"include/notifier.php","like","$post_id"); // $post_id isn't defined here!
- $like_item_id = $like_item['id'];
- proc_run('php',"include/notifier.php","like","$like_item_id");
-
- like_content_return($a->get_baseurl(), $return_path);
- return; // NOTREACHED
- }
-
- $uri = item_new_uri($a->get_hostname(),$owner_uid);
-
- $post_type = (($item['resource-id']) ? t('photo') : t('status'));
- if($item['obj_type'] === ACTIVITY_OBJ_EVENT)
- $post_type = t('event');
- $objtype = (($item['resource-id']) ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
- $link = xmlify('<link rel="alternate" type="text/html" href="' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . '" />' . "\n") ;
- $body = $item['body'];
-
- $obj = <<< EOT
-
- <object>
- <type>$objtype</type>
- <local>1</local>
- <id>{$item['uri']}</id>
- <link>$link</link>
- <title></title>
- <content>$body</content>
- </object>
-EOT;
- if($verb === 'like')
- $bodyverb = t('%1$s likes %2$s\'s %3$s');
- if($verb === 'dislike')
- $bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
- if($verb === 'attendyes')
- $bodyverb = t('%1$s is attending %2$s\'s %3$s');
- if($verb === 'attendno')
- $bodyverb = t('%1$s is not attending %2$s\'s %3$s');
- if($verb === 'attendmaybe')
- $bodyverb = t('%1$s may attend %2$s\'s %3$s');
-
- if(! isset($bodyverb))
- return;
-
- $arr = array();
-
- $arr['uri'] = $uri;
- $arr['uid'] = $owner_uid;
- $arr['contact-id'] = $contact['id'];
- $arr['type'] = 'activity';
- $arr['wall'] = $item['wall'];
- $arr['origin'] = 1;
- $arr['gravity'] = GRAVITY_LIKE;
- $arr['parent'] = $item['id'];
- $arr['parent-uri'] = $item['uri'];
- $arr['thr-parent'] = $item['uri'];
- $arr['owner-name'] = $remote_owner['name'];
- $arr['owner-link'] = $remote_owner['url'];
- $arr['owner-avatar'] = $remote_owner['thumb'];
- $arr['author-name'] = $contact['name'];
- $arr['author-link'] = $contact['url'];
- $arr['author-avatar'] = $contact['thumb'];
-
- $ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
- $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
- $plink = '[url=' . $a->get_baseurl() . '/display/' . $owner['nickname'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
- $arr['body'] = sprintf( $bodyverb, $ulink, $alink, $plink );
-
- $arr['verb'] = $activity;
- $arr['object-type'] = $objtype;
- $arr['object'] = $obj;
- $arr['allow_cid'] = $item['allow_cid'];
- $arr['allow_gid'] = $item['allow_gid'];
- $arr['deny_cid'] = $item['deny_cid'];
- $arr['deny_gid'] = $item['deny_gid'];
- $arr['visible'] = 1;
- $arr['unseen'] = 1;
- $arr['last-child'] = 0;
-
- $post_id = item_store($arr);
-
- if(! $item['visible']) {
- $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d AND `uid` = %d",
- intval($item['id']),
- intval($owner_uid)
- );
- }
-
-
- // Save the author information for the like in case we need to relay to Diaspora
- store_diaspora_like_sig($activity, $post_type, $contact, $post_id);
-
- $arr['id'] = $post_id;
-
- call_hooks('post_local_end', $arr);
-
- proc_run('php',"include/notifier.php","like","$post_id");
-
like_content_return($a->get_baseurl(), $return_path);
killme(); // NOTREACHED
// return; // NOTREACHED
killme();
}
-
-function store_diaspora_like_retract_sig($activity, $item, $like_item, $contact) {
- // Note that we can only create a signature for a user of the local server. We don't have
- // a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it
- // means we are the relay, and for relayable_retractions, Diaspora
- // only checks the parent_author_signature if it doesn't have to relay further
- //
- // If $item['resource-id'] exists, it means the item is a photo. Diaspora doesn't support
- // likes on photos, so don't bother.
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- logger('mod_like: diaspora support disabled, not storing like retraction signature', LOGGER_DEBUG);
- return;
- }
-
- logger('mod_like: storing diaspora like retraction signature');
-
- if(($activity === ACTIVITY_LIKE) && (! $item['resource-id'])) {
- $signed_text = $like_item['guid'] . ';' . 'Like';
-
- // Only works for NETWORK_DFRN
- $contact_baseurl_start = strpos($contact['url'],'://') + 3;
- $contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start;
- $contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length);
- $diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
-
- // Get contact's private key if he's a user of the local Friendica server
- $r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
- dbesc($contact['url'])
- );
-
- if( $r) {
- $contact_uid = $r['uid'];
- $r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1",
- intval($contact_uid)
- );
-
- if( $r)
- $authorsig = base64_encode(rsa_sign($signed_text,$r['prvkey'],'sha256'));
- }
-
- if(! isset($authorsig))
- $authorsig = '';
-
- q("insert into sign (`retract_iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($like_item['id']),
- dbesc($signed_text),
- dbesc($authorsig),
- dbesc($diaspora_handle)
- );
- }
-
- return;
-}
-
-function store_diaspora_like_sig($activity, $post_type, $contact, $post_id) {
- // Note that we can only create a signature for a user of the local server. We don't have
- // a key for remote users. That is ok, because if a remote user is "unlike"ing a post, it
- // means we are the relay, and for relayable_retractions, Diaspora
- // only checks the parent_author_signature if it doesn't have to relay further
-
- $enabled = intval(get_config('system','diaspora_enabled'));
- if(! $enabled) {
- logger('mod_like: diaspora support disabled, not storing like signature', LOGGER_DEBUG);
- return;
- }
-
- logger('mod_like: storing diaspora like signature');
-
- if(($activity === ACTIVITY_LIKE) && ($post_type === t('status'))) {
- // Only works for NETWORK_DFRN
- $contact_baseurl_start = strpos($contact['url'],'://') + 3;
- $contact_baseurl_length = strpos($contact['url'],'/profile') - $contact_baseurl_start;
- $contact_baseurl = substr($contact['url'], $contact_baseurl_start, $contact_baseurl_length);
- $diaspora_handle = $contact['nick'] . '@' . $contact_baseurl;
-
- // Get contact's private key if he's a user of the local Friendica server
- $r = q("SELECT `contact`.`uid` FROM `contact` WHERE `url` = '%s' AND `self` = 1 LIMIT 1",
- dbesc($contact['url'])
- );
-
- if( $r) {
- $contact_uid = $r['uid'];
- $r = q("SELECT prvkey FROM user WHERE uid = %d LIMIT 1",
- intval($contact_uid)
- );
-
- if( $r)
- $contact_uprvkey = $r['prvkey'];
- }
-
- $r = q("SELECT guid, parent FROM `item` WHERE id = %d LIMIT 1",
- intval($post_id)
- );
- if( $r) {
- $p = q("SELECT guid FROM `item` WHERE id = %d AND parent = %d LIMIT 1",
- intval($r[0]['parent']),
- intval($r[0]['parent'])
- );
- if( $p) {
- $signed_text = $r[0]['guid'] . ';Post;' . $p[0]['guid'] . ';true;' . $diaspora_handle;
-
- if(isset($contact_uprvkey))
- $authorsig = base64_encode(rsa_sign($signed_text,$contact_uprvkey,'sha256'));
- else
- $authorsig = '';
-
- q("insert into sign (`iid`,`signed_text`,`signature`,`signer`) values (%d,'%s','%s','%s') ",
- intval($post_id),
- dbesc($signed_text),
- dbesc($authorsig),
- dbesc($diaspora_handle)
- );
- }
- }
- }
-
- return;
-}
projects / friendica.git / commitdiff