New functionality to import feeds. Now with support of every used feed format (RSS...

diff --git a/include/feed.php b/include/feed.php
new file mode 100644 (file)
index 0000000..18d96e6
--- /dev/null
+++ b/include/feed.php
@@ -0,0 +1,275 @@
+<?php
+require_once("include/html2bbcode.php");
+require_once("include/items.php");
+
+function feed_import($xml,$importer,&$contact, &$hub) {
+
+       $a = get_app();
+
+       logger("Import Atom/RSS feed", LOGGER_DEBUG);
+
+       if ($xml == "")
+               return;
+
+       $doc = new DOMDocument();
+       @$doc->loadXML($xml);
+       $xpath = new DomXPath($doc);
+       $xpath->registerNamespace('atom', "http://www.w3.org/2005/Atom");
+       $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/");
+
+       $author = array();
+
+       // Is it RDF?
+       if ($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/atom:entry')->length > 0) {
+               //$self = $xpath->query("/atom:feed/atom:link[@rel='self']")->item(0)->attributes;
+               //if (is_object($self))
+               //      foreach($self AS $attributes)
+               //              if ($attributes->name == "href")
+               //                      $author["author-link"] = $attributes->textContent;
+
+               //if ($author["author-link"] == "") {
+               //      $alternate = $xpath->query("/atom:feed/atom:link[@rel='alternate']")->item(0)->attributes;
+               //      if (is_object($alternate))
+               //              foreach($alternate AS $attributes)
+               //                      if ($attributes->name == "href")
+               //                              $author["author-link"] = $attributes->textContent;
+               //}
+
+               $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"] = $xpath->evaluate('/atom:feed/atom:author/atom:name/text()')->item(0)->nodeValue;
+
+               //$author["author-avatar"] = $xpath->evaluate('/atom:feed/atom:logo/text()')->item(0)->nodeValue;
+
+               $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 = $xpath->query('/rss/channel/item');
+       }
+
+       //if ($author["author-link"] == "")
+               $author["author-link"] = $contact["url"];
+
+       if ($author["author-name"] == "")
+               $author["author-name"] = $contact["name"];
+
+       //if ($author["author-avatar"] == "")
+               $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["contact-id"] = $contact["id"];
+
+       if (!is_object($entries))
+               return;
+
+       foreach ($entries AS $entry)
+               $entrylist[] = $entry;
+
+       foreach (array_reverse($entrylist) AS $entry) {
+               $item = array_merge($header, $author);
+
+               $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;
+
+               $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;
+
+               $item["plink"] = original_url($item["plink"]);
+
+               $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"];
+
+               $item["parent-uri"] = $item["uri"];
+
+               $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"] = $creator;
+
+               //$item["object"] = $xml;
+
+               $r = q("SELECT `id` FROM `item` WHERE `uid` = %d AND `uri` = '%s'",
+                       intval($importer["uid"]), dbesc($item["uri"]));
+               if ($r) {
+                       logger("Item with uri ".$item["uri"]." for user ".$importer["uid"]." already existed under id ".$r[0]["id"], LOGGER_DEBUG);
+                       continue;
+               }
+
+               // To-Do?
+               // <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);
+               }
+
+               logger("Stored feed: ".print_r($item, true), LOGGER_DEBUG);
+
+               $notify = item_is_remote_self($contact, $item);
+               $id = item_store($item, false, $notify);
+
+               //print_r($item);
+
+               logger("Feed for contact ".$contact["url"]." stored under id ".$id);
+       }
+}
+?>

diff --git a/include/items.php b/include/items.php
index 5915e2ecee24691462c56959c0a2d68cf9fbfcb7..6d5c35d5e303b7a792248bbef0fa24115ae06c15 100644 (file)
--- a/include/items.php
+++ b/include/items.php
@@ -13,6 +13,7 @@ require_once('include/threads.php');
 require_once('include/socgraph.php');
 require_once('include/plaintext.php');
 require_once('include/ostatus.php');
+require_once('include/feed.php');
 require_once('mod/share.php');
 
 require_once('library/defuse/php-encryption-1.2.1/Crypto.php');
@@ -2251,16 +2252,20 @@ function edited_timestamp_is_newer($existing, $update) {
 function consume_feed($xml,$importer,&$contact, &$hub, $datedir = 0, $pass = 0) {
        if ($contact['network'] === NETWORK_OSTATUS) {
                if ($pass < 2) {
-                       // Test - remove before flight
-                       //$tempfile = tempnam(get_temppath(), "ostatus");
-                       //file_put_contents($tempfile, $xml);
-
                        logger("Consume OStatus messages ", LOGGER_DEBUG);
                        ostatus_import($xml,$importer,$contact, $hub);
                }
                return;
        }
 
+       if ($contact['network'] === NETWORK_FEED) {
+               if ($pass < 2) {
+                       logger("Consume feeds", LOGGER_DEBUG);
+                       feed_import($xml,$importer,$contact, $hub);
+               }
+               return;
+       }
+
        require_once('library/simplepie/simplepie.inc');
        require_once('include/contact_selectors.php');