Bugfix: Warning because of undefined constant

[friendica.git] / include / Scrape.php

diff --git a/include/Scrape.php b/include/Scrape.php
index 83c099769d456d851175ec9dcffba9f2e37a7c5f..6ee3dabfca88c11c42576e2a5c75c5194a96283e 100644 (file)
--- a/include/Scrape.php
+++ b/include/Scrape.php
@@ -4,7 +4,7 @@ require_once('library/HTML5/Parser.php');
 require_once('include/crypto.php');
 
 if(! function_exists('scrape_dfrn')) {
-function scrape_dfrn($url) {
+function scrape_dfrn($url, $dont_probe = false) {
 
        $a = get_app();
 
@@ -17,6 +17,13 @@ function scrape_dfrn($url) {
        if(! $s)
                return $ret;
 
+       if (!$dont_probe) {
+               $probe = probe_url($url);
+
+               if (isset($probe["addr"]))
+                       $ret["addr"] = $probe["addr"];
+       }
+
        $headers = $a->get_curl_headers();
        logger('scrape_dfrn: headers=' . $headers, LOGGER_DEBUG);
 
@@ -320,7 +327,7 @@ function scrape_feed($url) {
  * PROBE_DIASPORA has a bias towards returning Diaspora information
  * while PROBE_NORMAL has a bias towards dfrn/zot - in the case where
  * an address (such as a Friendica address) supports more than one type
- * of network. 
+ * of network.
  *
  */
 
@@ -407,7 +414,7 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                                                $pubkey = $diaspora_key;
                                        $diaspora = true;
                                }
-                               if($link['@attributes']['rel'] === 'http://ostatus.org/schema/1.0/subscribe') {
+                               if(($link['@attributes']['rel'] === 'http://ostatus.org/schema/1.0/subscribe') AND ($mode == PROBE_NORMAL)) {
                                        $diaspora = false;
                                }
                        }
@@ -524,7 +531,7 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
 
 
                if(strlen($dfrn)) {
-                       $ret = scrape_dfrn(($hcard) ? $hcard : $dfrn);
+                       $ret = scrape_dfrn(($hcard) ? $hcard : $dfrn, true);
                        if(is_array($ret) && x($ret,'dfrn-request')) {
                                $network = NETWORK_DFRN;
                                $request = $ret['dfrn-request'];
@@ -552,7 +559,7 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
        if($network !== NETWORK_ZOT && $network !== NETWORK_DFRN && $network !== NETWORK_MAIL) {
                if($diaspora)
                        $network = NETWORK_DIASPORA;
-               elseif($has_lrdd)
+               elseif($has_lrdd AND ($notify))
                        $network  = NETWORK_OSTATUS;
 
                if(strpos($url,'@'))
@@ -652,9 +659,10 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                        $feed->set_raw_data(($xml) ? $xml : '<?xml version="1.0" encoding="utf-8" ?><xml></xml>');
 
                        $feed->init();
-                       if($feed->error())
+                       if($feed->error()) {
                                logger('probe_url: scrape_feed: Error parsing XML: ' . $feed->error());
-
+                               $network = NETWORK_PHANTOM;
+                       }
 
                        if(! x($vcard,'photo'))
                                $vcard['photo'] = $feed->get_image_url();
@@ -718,6 +726,45 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                                }
                        }
 
+                       // Workaround for misconfigured Friendica servers
+                       if (($network == "") AND (strstr($url, "/profile/"))) {
+                               $noscrape = str_replace("/profile/", "/noscrape/", $url);
+                               $noscrapejson = fetch_url($noscrape);
+                               if ($noscrapejson) {
+
+                                       $network = NETWORK_DFRN;
+
+                                       $poco = str_replace("/profile/", "/poco/", $url);
+
+                                       $noscrapedata = json_decode($noscrapejson, true);
+
+                                       if (isset($noscrapedata["addr"]))
+                                               $addr = $noscrapedata["addr"];
+
+                                       if (isset($noscrapedata["fn"]))
+                                               $vcard["fn"] = $noscrapedata["fn"];
+
+                                       if (isset($noscrapedata["key"]))
+                                               $pubkey = $noscrapedata["key"];
+
+                                       if (isset($noscrapedata["photo"]))
+                                               $vcard["photo"] = $noscrapedata["photo"];
+
+                                       if (isset($noscrapedata["dfrn-request"]))
+                                               $request = $noscrapedata["dfrn-request"];
+
+                                       if (isset($noscrapedata["dfrn-confirm"]))
+                                               $confirm = $noscrapedata["dfrn-confirm"];
+
+                                       if (isset($noscrapedata["dfrn-notify"]))
+                                               $notify = $noscrapedata["dfrn-notify"];
+
+                                       if (isset($noscrapedata["dfrn-poll"]))
+                                               $poll = $noscrapedata["dfrn-poll"];
+
+                               }
+                       }
+
                        if((! $vcard['photo']) && strlen($email))
                                $vcard['photo'] = avatar_img($email);
                        if($poll === $profile)
@@ -778,6 +825,9 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
 
        $baseurl = rtrim($baseurl, "/");
 
+       if(strpos($url,'@') AND ($addr == "") AND ($network == NETWORK_DFRN))
+               $addr = str_replace('acct:', '', $url);
+
        $vcard['fn'] = notags($vcard['fn']);
        $vcard['nick'] = str_replace(' ','',notags($vcard['nick']));
 
@@ -819,7 +869,9 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                }
        }
 
-       Cache::set("probe_url:".$mode.":".$url,serialize($result));
+       // Only store into the cache if the value seems to be valid
+       if ($result['network'] != NETWORK_PHANTOM)
+               Cache::set("probe_url:".$mode.":".$url,serialize($result), CACHE_DAY);
 
        return $result;
 }