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- <?php
- require_once("include/html2bbcode.php");
- require_once("include/items.php");
-
- /**
- * @brief Read a RSS/RDF/Atom feed and create an item entry for it
- *
- * @param string $xml The feed data
- * @param array $importer The user record of the importer
- * @param array $contact The contact record of the feed
- * @param string $hub Unused dummy value for compatibility reasons
- * @param bool $simulate If enabled, no data is imported
- *
- * @return array In simulation mode it returns the header and the first item
- */
- function feed_import($xml,$importer,&$contact, &$hub, $simulate = false) {
-
- $a = get_app();
-
- if (!$simulate) {
- logger("Import Atom/RSS feed '".$contact["name"]."' (Contact ".$contact["id"].") for user ".$importer["uid"], LOGGER_DEBUG);
- } else {
- logger("Test Atom/RSS feed", LOGGER_DEBUG);
- }
- if ($xml == "") {
- logger('XML is empty.', LOGGER_DEBUG);
- return;
- }
-
- $doc = new DOMDocument();
- @$doc->loadXML($xml);
- $xpath = new DomXPath($doc);
- $xpath->registerNamespace('atom', NAMESPACE_ATOM1);
- $xpath->registerNamespace('dc', "http://purl.org/dc/elements/1.1/");
- $xpath->registerNamespace('content', "http://purl.org/rss/1.0/modules/content/");
- $xpath->registerNamespace('rdf', "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
- $xpath->registerNamespace('rss', "http://purl.org/rss/1.0/");
- $xpath->registerNamespace('media', "http://search.yahoo.com/mrss/");
- $xpath->registerNamespace('poco', NAMESPACE_POCO);
-
- $author = array();
-
- // Is it RDF?
- if ($xpath->query('/rdf:RDF/rss:channel')->length > 0) {
- $author["author-link"] = $xpath->evaluate('/rdf:RDF/rss:channel/rss:link/text()')->item(0)->nodeValue;
- $author["author-name"] = $xpath->evaluate('/rdf:RDF/rss:channel/rss:title/text()')->item(0)->nodeValue;
-
- if ($author["author-name"] == "") {
- $author["author-name"] = $xpath->evaluate('/rdf:RDF/rss:channel/rss:description/text()')->item(0)->nodeValue;
- }
- $entries = $xpath->query('/rdf:RDF/rss:item');
- }
-
- // Is it Atom?
- if ($xpath->query('/atom:feed')->length > 0) {
- $alternate = $xpath->query("atom:link[@rel='alternate']")->item(0)->attributes;
- if (is_object($alternate)) {
- foreach ($alternate AS $attributes) {
- if ($attributes->name == "href") {
- $author["author-link"] = $attributes->textContent;
- }
- }
- }
-
- if ($author["author-link"] == "") {
- $author["author-link"] = $author["author-id"];
- }
- if ($author["author-link"] == "") {
- $self = $xpath->query("atom:link[@rel='self']")->item(0)->attributes;
- if (is_object($self)) {
- foreach ($self AS $attributes) {
- if ($attributes->name == "href") {
- $author["author-link"] = $attributes->textContent;
- }
- }
- }
- }
-
- if ($author["author-link"] == "") {
- $author["author-link"] = $xpath->evaluate('/atom:feed/atom:id/text()')->item(0)->nodeValue;
- }
- $author["author-avatar"] = $xpath->evaluate('/atom:feed/atom:logo/text()')->item(0)->nodeValue;
-
- $author["author-name"] = $xpath->evaluate('/atom:feed/atom:title/text()')->item(0)->nodeValue;
-
- if ($author["author-name"] == "") {
- $author["author-name"] = $xpath->evaluate('/atom:feed/atom:subtitle/text()')->item(0)->nodeValue;
- }
- if ($author["author-name"] == "") {
- $author["author-name"] = $xpath->evaluate('/atom:feed/atom:author/atom:name/text()')->item(0)->nodeValue;
- }
- $value = $xpath->evaluate('atom:author/poco:displayName/text()')->item(0)->nodeValue;
- if ($value != "") {
- $author["author-name"] = $value;
- }
- if ($simulate) {
- $author["author-id"] = $xpath->evaluate('/atom:feed/atom:author/atom:uri/text()')->item(0)->nodeValue;
-
- $value = $xpath->evaluate('atom:author/poco:preferredUsername/text()')->item(0)->nodeValue;
- if ($value != "") {
- $author["author-nick"] = $value;
- }
- $value = $xpath->evaluate('atom:author/poco:address/poco:formatted/text()', $context)->item(0)->nodeValue;
- if ($value != "") {
- $author["author-location"] = $value;
- }
- $value = $xpath->evaluate('atom:author/poco:note/text()')->item(0)->nodeValue;
- if ($value != "") {
- $author["author-about"] = $value;
- }
- }
-
- $author["edited"] = $author["created"] = $xpath->query('/atom:feed/atom:updated/text()')->item(0)->nodeValue;
-
- $author["app"] = $xpath->evaluate('/atom:feed/atom:generator/text()')->item(0)->nodeValue;
-
- $entries = $xpath->query('/atom:feed/atom:entry');
- }
-
- // Is it RSS?
- if ($xpath->query('/rss/channel')->length > 0) {
- $author["author-link"] = $xpath->evaluate('/rss/channel/link/text()')->item(0)->nodeValue;
-
- $author["author-name"] = $xpath->evaluate('/rss/channel/title/text()')->item(0)->nodeValue;
- $author["author-avatar"] = $xpath->evaluate('/rss/channel/image/url/text()')->item(0)->nodeValue;
-
- if ($author["author-name"] == "") {
- $author["author-name"] = $xpath->evaluate('/rss/channel/copyright/text()')->item(0)->nodeValue;
- }
- if ($author["author-name"] == "") {
- $author["author-name"] = $xpath->evaluate('/rss/channel/description/text()')->item(0)->nodeValue;
- }
- $author["edited"] = $author["created"] = $xpath->query('/rss/channel/pubDate/text()')->item(0)->nodeValue;
-
- $author["app"] = $xpath->evaluate('/rss/channel/generator/text()')->item(0)->nodeValue;
-
- $entries = $xpath->query('/rss/channel/item');
- }
-
- if (!$simulate) {
- $author["author-link"] = $contact["url"];
-
- if ($author["author-name"] == "") {
- $author["author-name"] = $contact["name"];
- }
- $author["author-avatar"] = $contact["thumb"];
-
- $author["owner-link"] = $contact["url"];
- $author["owner-name"] = $contact["name"];
- $author["owner-avatar"] = $contact["thumb"];
- }
-
- $header = array();
- $header["uid"] = $importer["uid"];
- $header["network"] = NETWORK_FEED;
- $header["type"] = "remote";
- $header["wall"] = 0;
- $header["origin"] = 0;
- $header["gravity"] = GRAVITY_PARENT;
- $header["private"] = 2;
- $header["verb"] = ACTIVITY_POST;
- $header["object-type"] = ACTIVITY_OBJ_NOTE;
-
- $header["contact-id"] = $contact["id"];
-
- if (!strlen($contact["notify"])) {
- // one way feed - no remote comment ability
- $header["last-child"] = 0;
- }
-
- if (!is_object($entries)) {
- logger("There are no entries in this feed.", LOGGER_DEBUG);
- return;
- }
-
- $items = array();
-
- $entrylist = array();
-
- foreach ($entries AS $entry) {
- $entrylist[] = $entry;
- }
- foreach (array_reverse($entrylist) AS $entry) {
- $item = array_merge($header, $author);
-
- $alternate = $xpath->query("atom:link[@rel='alternate']", $entry)->item(0)->attributes;
- if (!is_object($alternate)) {
- $alternate = $xpath->query("atom:link", $entry)->item(0)->attributes;
- }
- if (is_object($alternate)) {
- foreach ($alternate AS $attributes) {
- if ($attributes->name == "href") {
- $item["plink"] = $attributes->textContent;
- }
- }
- }
- if ($item["plink"] == "") {
- $item["plink"] = $xpath->evaluate('link/text()', $entry)->item(0)->nodeValue;
- }
- if ($item["plink"] == "") {
- $item["plink"] = $xpath->evaluate('rss:link/text()', $entry)->item(0)->nodeValue;
- }
-
- $item["uri"] = $xpath->evaluate('atom:id/text()', $entry)->item(0)->nodeValue;
-
- if ($item["uri"] == "") {
- $item["uri"] = $xpath->evaluate('guid/text()', $entry)->item(0)->nodeValue;
- }
- if ($item["uri"] == "") {
- $item["uri"] = $item["plink"];
- }
-
- $orig_plink = $item["plink"];
-
- $item["plink"] = original_url($item["plink"]);
-
- $item["parent-uri"] = $item["uri"];
-
- if (!$simulate) {
- $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s' AND `network` IN ('%s', '%s')",
- intval($importer["uid"]), dbesc($item["uri"]), dbesc(NETWORK_FEED), dbesc(NETWORK_DFRN));
- if (dbm::is_result($r)) {
- logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
- continue;
- }
- }
-
- $item["title"] = $xpath->evaluate('atom:title/text()', $entry)->item(0)->nodeValue;
-
- if ($item["title"] == "") {
- $item["title"] = $xpath->evaluate('title/text()', $entry)->item(0)->nodeValue;
- }
- if ($item["title"] == "") {
- $item["title"] = $xpath->evaluate('rss:title/text()', $entry)->item(0)->nodeValue;
- }
- $published = $xpath->query('atom:published/text()', $entry)->item(0)->nodeValue;
-
- if ($published == "") {
- $published = $xpath->query('pubDate/text()', $entry)->item(0)->nodeValue;
- }
- if ($published == "") {
- $published = $xpath->query('dc:date/text()', $entry)->item(0)->nodeValue;
- }
- $updated = $xpath->query('atom:updated/text()', $entry)->item(0)->nodeValue;
-
- if ($updated == "") {
- $updated = $published;
- }
- if ($published != "") {
- $item["created"] = $published;
- }
- if ($updated != "") {
- $item["edited"] = $updated;
- }
- $creator = $xpath->query('author/text()', $entry)->item(0)->nodeValue;
-
- if ($creator == "") {
- $creator = $xpath->query('atom:author/atom:name/text()', $entry)->item(0)->nodeValue;
- }
- if ($creator == "") {
- $creator = $xpath->query('dc:creator/text()', $entry)->item(0)->nodeValue;
- }
- if ($creator != "") {
- $item["author-name"] = $creator;
- }
- if ($pubDate != "") {
- $item["edited"] = $item["created"] = $pubDate;
- }
- $creator = $xpath->query('dc:creator/text()', $entry)->item(0)->nodeValue;
-
- if ($creator != "") {
- $item["author-name"] = $creator;
- }
-
- /// @TODO ?
- // <category>Ausland</category>
- // <media:thumbnail width="152" height="76" url="http://www.taz.de/picture/667875/192/14388767.jpg"/>
-
- $attachments = array();
-
- $enclosures = $xpath->query("enclosure", $entry);
- foreach ($enclosures AS $enclosure) {
- $href = "";
- $length = "";
- $type = "";
- $title = "";
-
- foreach ($enclosure->attributes AS $attributes) {
- if ($attributes->name == "url") {
- $href = $attributes->textContent;
- } elseif ($attributes->name == "length") {
- $length = $attributes->textContent;
- } elseif ($attributes->name == "type") {
- $type = $attributes->textContent;
- }
- }
- if (strlen($item["attach"])) {
- $item["attach"] .= ',';
- }
-
- $attachments[] = array("link" => $href, "type" => $type, "length" => $length);
-
- $item["attach"] .= '[attach]href="'.$href.'" length="'.$length.'" type="'.$type.'"[/attach]';
- }
-
- if ($contact["fetch_further_information"]) {
- $preview = "";
-
- // Handle enclosures and treat them as preview picture
- foreach ($attachments AS $attachment) {
- if ($attachment["type"] == "image/jpeg") {
- $preview = $attachment["link"];
- }
- }
-
- $item["body"] = $item["title"].add_page_info($item["plink"], false, $preview, ($contact["fetch_further_information"] == 2), $contact["ffi_keyword_blacklist"]);
- $item["tag"] = add_page_keywords($item["plink"], false, $preview, ($contact["fetch_further_information"] == 2), $contact["ffi_keyword_blacklist"]);
- $item["title"] = "";
- $item["object-type"] = ACTIVITY_OBJ_BOOKMARK;
- unset($item["attach"]);
- } else {
- $body = trim($xpath->evaluate('atom:content/text()', $entry)->item(0)->nodeValue);
-
- if ($body == "") {
- $body = trim($xpath->evaluate('content:encoded/text()', $entry)->item(0)->nodeValue);
- }
- if ($body == "") {
- $body = trim($xpath->evaluate('description/text()', $entry)->item(0)->nodeValue);
- }
- if ($body == "") {
- $body = trim($xpath->evaluate('atom:summary/text()', $entry)->item(0)->nodeValue);
- }
- // remove the content of the title if it is identically to the body
- // This helps with auto generated titles e.g. from tumblr
- if (title_is_body($item["title"], $body)) {
- $item["title"] = "";
- }
- $item["body"] = html2bbcode($body);
- }
-
- if (!$simulate) {
- logger("Stored feed: ".print_r($item, true), LOGGER_DEBUG);
-
- $notify = item_is_remote_self($contact, $item);
-
- // Distributed items should have a well formatted URI.
- // Additionally we have to avoid conflicts with identical URI between imported feeds and these items.
- if ($notify) {
- $item['guid'] = uri_to_guid($orig_plink, $a->get_hostname());
- unset($item['uri']);
- unset($item['parent-uri']);
- }
-
- $id = item_store($item, false, $notify);
-
- logger("Feed for contact ".$contact["url"]." stored under id ".$id);
- } else {
- $items[] = $item;
- }
- if ($simulate) {
- break;
- }
- }
-
- if ($simulate) {
- return array("header" => $author, "items" => $items);
- }
- }
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