]> git.mxchange.org Git - friendica.git/blobdiff - include/Scrape.php
Merge branch 'rewrites/is_filled_array_introduced' into rhaeder-develop
[friendica.git] / include / Scrape.php
index bc6aebbdcfdee7b388c57f6905e2f008dc258647..e8e9a97a16c61cb1943fceb92acd9ac8954d9c80 100644 (file)
@@ -2,6 +2,7 @@
 
 require_once('library/HTML5/Parser.php');
 require_once('include/crypto.php');
+require_once('include/feed.php');
 
 if(! function_exists('scrape_dfrn')) {
 function scrape_dfrn($url, $dont_probe = false) {
@@ -19,9 +20,11 @@ function scrape_dfrn($url, $dont_probe = false) {
        if ($noscrapejson) {
                $noscrapedata = json_decode($noscrapejson, true);
 
-               if (is_array($noscrapedata))
+               if (is_array($noscrapedata)) {
                        if ($noscrapedata["nick"] != "")
                                return($noscrapedata);
+               } else
+                       $noscrapedata = array();
        }
 
        $s = fetch_url($url);
@@ -377,8 +380,6 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                $network = NETWORK_TWITTER;
        }
 
-       // Twitter is deactivated since twitter closed its old API
-       //$twitter = ((strpos($url,'twitter.com') !== false) ? true : false);
        $lastfm  = ((strpos($url,'last.fm/user') !== false) ? true : false);
 
        $at_addr = ((strpos($url,'@') !== false) ? true : false);
@@ -615,21 +616,6 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                        $vcard['nick'] = $addr_parts[0];
                }
 
-               /* if($twitter) {
-                       logger('twitter: setup');
-                       $tid = basename($url);
-                       $tapi = 'https://api.twitter.com/1/statuses/user_timeline.rss';
-                       if(intval($tid))
-                               $poll = $tapi . '?user_id=' . $tid;
-                       else
-                               $poll = $tapi . '?screen_name=' . $tid;
-                       $profile = 'http://twitter.com/#!/' . $tid;
-                       //$vcard['photo'] = 'https://api.twitter.com/1/users/profile_image/' . $tid;
-                       $vcard['photo'] = 'https://api.twitter.com/1/users/profile_image?screen_name=' . $tid . '&size=bigger';
-                       $vcard['nick'] = $tid;
-                       $vcard['fn'] = $tid;
-               } */
-
                if($lastfm) {
                        $profile = $url;
                        $poll = str_replace(array('www.','last.fm/'),array('','ws.audioscrobbler.com/1.0/'),$url) . '/recenttracks.rss';
@@ -673,85 +659,34 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
 
                        if(x($feedret,'photo') && (! x($vcard,'photo')))
                                $vcard['photo'] = $feedret['photo'];
-                       require_once('library/simplepie/simplepie.inc');
-                       $feed = new SimplePie();
+
                        $cookiejar = tempnam(get_temppath(), 'cookiejar-scrape-feed-');
                        $xml = fetch_url($poll, false, $redirects, 0, Null, $cookiejar);
                        unlink($cookiejar);
 
                        logger('probe_url: fetch feed: ' . $poll . ' returns: ' . $xml, LOGGER_DATA);
-                       $a = get_app();
 
-                       logger('probe_url: scrape_feed: headers: ' . $a->get_curl_headers(), LOGGER_DATA);
+                       if ($xml == "") {
+                               logger("scrape_feed: XML is empty for feed ".$poll);
+                               $network = NETWORK_PHANTOM;
+                       } else {
+                               $data = feed_import($xml,$dummy1,$dummy2, $dummy3, true);
 
-                       // Don't try and parse an empty string
-                       $feed->set_raw_data(($xml) ? $xml : '<?xml version="1.0" encoding="utf-8" ?><xml></xml>');
+                               if (!is_array($data)) {
+                                       logger("scrape_feed: This doesn't seem to be a feed: ".$poll);
+                                       $network = NETWORK_PHANTOM;
+                               } else {
+                                       if (($vcard["photo"] == "") AND ($data["header"]["author-avatar"] != ""))
+                                               $vcard["photo"] = $data["header"]["author-avatar"];
 
-                       $feed->init();
-                       if($feed->error()) {
-                               logger('probe_url: scrape_feed: Error parsing XML: ' . $feed->error());
-                               $network = NETWORK_PHANTOM;
-                       }
+                                       if (($vcard["fn"] == "") AND ($data["header"]["author-name"] != ""))
+                                               $vcard["fn"] = $data["header"]["author-name"];
 
-                       if(! x($vcard,'photo'))
-                               $vcard['photo'] = $feed->get_image_url();
-                       $author = $feed->get_author();
-
-                       if($author) {
-                               $vcard['fn'] = unxmlify(trim($author->get_name()));
-                               if(! $vcard['fn'])
-                                       $vcard['fn'] = trim(unxmlify($author->get_email()));
-                               if(strpos($vcard['fn'],'@') !== false)
-                                       $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
-
-                               $email = unxmlify($author->get_email());
-                               if(! $profile && $author->get_link())
-                                       $profile = trim(unxmlify($author->get_link()));
-                               if(! $vcard['photo']) {
-                                       $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
-                                       if($rawtags) {
-                                               $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
-                                               if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
-                                                       $vcard['photo'] = $elems['link'][0]['attribs']['']['href'];
-                                       }
-                               }
-                               // Fetch fullname via poco:displayName
-                               $pocotags = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
-                               if ($pocotags) {
-                                       $elems = $pocotags[0]['child']['http://portablecontacts.net/spec/1.0'];
-                                       if (isset($elems["displayName"]))
-                                               $vcard['fn'] = $elems["displayName"][0]["data"];
-                                       if (isset($elems["preferredUsername"]))
-                                               $vcard['nick'] = $elems["preferredUsername"][0]["data"];
-                               }
-                       }
-                       else {
-                               $item = $feed->get_item(0);
-                               if($item) {
-                                       $author = $item->get_author();
-                                       if($author) {
-                                               $vcard['fn'] = trim(unxmlify($author->get_name()));
-                                               if(! $vcard['fn'])
-                                                       $vcard['fn'] = trim(unxmlify($author->get_email()));
-                                               if(strpos($vcard['fn'],'@') !== false)
-                                                       $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
-                                               $email = unxmlify($author->get_email());
-                                               if(! $profile && $author->get_link())
-                                                       $profile = trim(unxmlify($author->get_link()));
-                                       }
-                                       if(! $vcard['photo']) {
-                                               $rawmedia = $item->get_item_tags('http://search.yahoo.com/mrss/','thumbnail');
-                                               if($rawmedia && $rawmedia[0]['attribs']['']['url'])
-                                                       $vcard['photo'] = unxmlify($rawmedia[0]['attribs']['']['url']);
-                                       }
-                                       if(! $vcard['photo']) {
-                                               $rawtags = $item->get_item_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
-                                               if($rawtags) {
-                                                       $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
-                                                       if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo'))
-                                                               $vcard['photo'] = $elems['link'][0]['attribs']['']['href'];
-                                               }
-                                       }
+                                       if (($vcard["nick"] == "") AND ($data["header"]["author-nick"] != ""))
+                                               $vcard["nick"] = $data["header"]["author-nick"];
+
+                                       if(!$profile AND ($data["header"]["author-link"] != "") AND !in_array($network, array("", NETWORK_FEED)))
+                                               $profile = $data["header"]["author-link"];
                                }
                        }
 
@@ -794,27 +729,9 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                                }
                        }
 
-                       if((! $vcard['photo']) && strlen($email))
-                               $vcard['photo'] = avatar_img($email);
-                       if($poll === $profile)
-                               $lnk = $feed->get_permalink();
-                       if(isset($lnk) && strlen($lnk))
-                               $profile = $lnk;
-
-                       if(! $network) {
+                       if(! $network)
                                $network = NETWORK_FEED;
-                               // If it is a feed, don't take the author name as feed name
-                               unset($vcard['fn']);
-                       }
-                       if(! (x($vcard,'fn')))
-                               $vcard['fn'] = notags($feed->get_title());
-                       if(! (x($vcard,'fn')))
-                               $vcard['fn'] = notags($feed->get_description());
-
-                       if(strpos($vcard['fn'],'Twitter / ') !== false) {
-                               $vcard['fn'] = substr($vcard['fn'],strpos($vcard['fn'],'/')+1);
-                               $vcard['fn'] = trim($vcard['fn']);
-                       }
+
                        if(! x($vcard,'nick')) {
                                $vcard['nick'] = strtolower(notags(unxmlify($vcard['fn'])));
                                if(strpos($vcard['nick'],' '))
@@ -827,7 +744,7 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
 
        if(! x($vcard,'photo')) {
                $a = get_app();
-               $vcard['photo'] = $a->get_baseurl() . '/images/person-175.jpg' ;
+               $vcard['photo'] = App::get_baseurl() . '/images/person-175.jpg' ;
        }
 
        if(! $profile)
@@ -839,18 +756,18 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                $vcard['fn'] = $url;
 
        if (($notify != "") AND ($poll != "")) {
-               $baseurl = matching(normalise_link($notify), normalise_link($poll));
+               $baseurl = matching_url(normalise_link($notify), normalise_link($poll));
 
-               $baseurl2 = matching($baseurl, normalise_link($profile));
+               $baseurl2 = matching_url($baseurl, normalise_link($profile));
                if ($baseurl2 != "")
                        $baseurl = $baseurl2;
        }
 
        if (($baseurl == "") AND ($notify != ""))
-               $baseurl = matching(normalise_link($profile), normalise_link($notify));
+               $baseurl = matching_url(normalise_link($profile), normalise_link($notify));
 
        if (($baseurl == "") AND ($poll != ""))
-               $baseurl = matching(normalise_link($profile), normalise_link($poll));
+               $baseurl = matching_url(normalise_link($profile), normalise_link($poll));
 
        $baseurl = rtrim($baseurl, "/");
 
@@ -905,19 +822,56 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
        return $result;
 }
 
-function matching($part1, $part2) {
-       $len = min(strlen($part1), strlen($part2));
+/**
+ * @brief Find the matching part between two url
+ *
+ * @param string $url1
+ * @param string $url2
+ * @return string The matching part
+ */
+function matching_url($url1, $url2) {
+
+       if (($url1 == "") OR ($url2 == ""))
+               return "";
+
+       $url1 = normalise_link($url1);
+       $url2 = normalise_link($url2);
+
+       $parts1 = parse_url($url1);
+       $parts2 = parse_url($url2);
+
+       if (!isset($parts1["host"]) OR !isset($parts2["host"]))
+               return "";
+
+       if ($parts1["scheme"] != $parts2["scheme"])
+               return "";
+
+       if ($parts1["host"] != $parts2["host"])
+               return "";
+
+       if ($parts1["port"] != $parts2["port"])
+               return "";
+
+       $match = $parts1["scheme"]."://".$parts1["host"];
+
+       if ($parts1["port"])
+               $match .= ":".$parts1["port"];
+
+       $pathparts1 = explode("/", $parts1["path"]);
+       $pathparts2 = explode("/", $parts2["path"]);
 
-       $match = "";
-       $matching = true;
        $i = 0;
-       while (($i <= $len) AND $matching) {
-               if (substr($part1, $i, 1) == substr($part2, $i, 1))
-                       $match .= substr($part1, $i, 1);
-               else
-                       $matching = false;
+       $path = "";
+       do {
+               $path1 = $pathparts1[$i];
+               $path2 = $pathparts2[$i];
 
-               $i++;
-       }
-       return($match);
+               if ($path1 == $path2)
+                       $path .= $path1."/";
+
+       } while (($path1 == $path2) AND ($i++ <= count($pathparts1)));
+
+       $match .= $path;
+
+       return normalise_link($match);
 }