]> git.mxchange.org Git - friendica.git/blobdiff - include/Scrape.php
add doxygen to config functions
[friendica.git] / include / Scrape.php
index 95a3c0221f51ac32ca89017e4eeb52fceaa24101..a26576a69ec5257182c839e846cd59ac1238c266 100644 (file)
@@ -13,9 +13,25 @@ function scrape_dfrn($url, $dont_probe = false) {
 
        logger('scrape_dfrn: url=' . $url);
 
+       // Try to fetch the data from noscrape. This is faster than parsing the HTML
+       $noscrape = str_replace("/hcard/", "/noscrape/", $url);
+       $noscrapejson = fetch_url($noscrape);
+       $noscrapedata = array();
+       if ($noscrapejson) {
+               $noscrapedata = json_decode($noscrapejson, true);
+
+               if (is_array($noscrapedata)) {
+                       if ($noscrapedata["nick"] != "")
+                               return($noscrapedata);
+                       else
+                               unset($noscrapedata["nick"]);
+               } else
+                       $noscrapedata = array();
+       }
+
        $s = fetch_url($url);
 
-       if(! $s)
+       if (!$s)
                return $ret;
 
        if (!$dont_probe) {
@@ -92,8 +108,7 @@ function scrape_dfrn($url, $dont_probe = false) {
                        }
                }
        }
-
-       return $ret;
+       return array_merge($ret, $noscrapedata);
 }}
 
 
@@ -343,7 +358,7 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
 
        $result = array();
 
-       if(! $url)
+       if (!$url)
                return $result;
 
        $result = Cache::get("probe_url:".$mode.":".$url);
@@ -352,6 +367,7 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                return $result;
        }
 
+       $original_url = $url;
        $network = null;
        $diaspora = false;
        $diaspora_base = '';
@@ -380,7 +396,12 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                else
                        $links = lrdd($url);
 
-               if(count($links)) {
+               if ((count($links) == 0) AND strstr($url, "/index.php")) {
+                       $url = str_replace("/index.php", "", $url);
+                       $links = lrdd($url);
+               }
+
+               if (count($links)) {
                        $has_lrdd = true;
 
                        logger('probe_url: found lrdd links: ' . print_r($links,true), LOGGER_DATA);
@@ -427,12 +448,21 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                        // aliases, let's hope we're lucky and get one that matches the feed author-uri because
                        // otherwise we're screwed.
 
+                       $backup_alias = "";
+
                        foreach($links as $link) {
                                if($link['@attributes']['rel'] === 'alias') {
                                        if(strpos($link['@attributes']['href'],'@') === false) {
                                                if(isset($profile)) {
-                                                       if($link['@attributes']['href'] !== $profile)
-                                                               $alias = unamp($link['@attributes']['href']);
+                                                       $alias_url = $link['@attributes']['href'];
+
+                                                       if(($alias_url !== $profile) AND ($backup_alias == "") AND
+                                                               ($alias_url !== str_replace("/index.php", "", $profile)))
+                                                               $backup_alias = $alias_url;
+
+                                                       if(($alias_url !== $profile) AND !strstr($alias_url, "index.php") AND
+                                                               ($alias_url !== str_replace("/index.php", "", $profile)))
+                                                               $alias = $alias_url;
                                                }
                                                else
                                                        $profile = unamp($link['@attributes']['href']);
@@ -440,6 +470,9 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                                }
                        }
 
+                       if ($alias == "")
+                               $alias = $backup_alias;
+
                        // If the profile is different from the url then the url is abviously an alias
                        if (($alias == "") AND ($profile != "") AND !$at_addr AND (normalise_link($profile) != normalise_link($url)))
                                $alias = $url;
@@ -563,7 +596,7 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
        if($diaspora && $diaspora_base && $diaspora_guid) {
                $diaspora_notify = $diaspora_base.'receive/users/'.$diaspora_guid;
 
-               if($mode == PROBE_DIASPORA || ! $notify || ($notify == $diaspora_notify)) {
+               if($mode == PROBE_DIASPORA || !$notify || ($notify == $diaspora_notify)) {
                        $notify = $diaspora_notify;
                        $batch  = $diaspora_base . 'receive/public' ;
                }
@@ -672,7 +705,14 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                                        if (($vcard["nick"] == "") AND ($data["header"]["author-nick"] != ""))
                                                $vcard["nick"] = $data["header"]["author-nick"];
 
-                                       if(!$profile AND ($data["header"]["author-link"] != "") AND !in_array($network, array("", NETWORK_FEED)))
+                                       if ($network == NETWORK_OSTATUS) {
+                                               if ($data["header"]["author-id"] != "")
+                                                       $alias = $data["header"]["author-id"];
+
+                                               if ($data["header"]["author-link"] != "")
+                                                       $profile = $data["header"]["author-link"];
+
+                                       } elseif(!$profile AND ($data["header"]["author-link"] != "") AND !in_array($network, array("", NETWORK_FEED)))
                                                $profile = $data["header"]["author-link"];
                                }
                        }
@@ -743,18 +783,24 @@ function probe_url($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($poll));
+
+       if (substr($baseurl, -10) == "/index.php")
+               $baseurl = str_replace("/index.php", "", $baseurl);
+
+       if ($network == "")
+               $network = NETWORK_PHANTOM;
 
        $baseurl = rtrim($baseurl, "/");
 
@@ -789,7 +835,7 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                        require_once('include/bbcode.php');
                        $address = GetProfileUsername($url, "", true);
                        $result2 = probe_url($address, $mode, ++$level);
-                       if ($result2['network'] != "")
+                       if (!in_array($result2['network'], array("", NETWORK_PHANTOM, NETWORK_FEED)))
                                $result = $result2;
                }
 
@@ -797,31 +843,100 @@ function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
                if (($result['network'] == NETWORK_FEED) AND ($result['baseurl'] != "") AND ($result['nick'] != "")) {
                        $addr = $result['nick'].'@'.str_replace("http://", "", $result['baseurl']);
                        $result2 = probe_url($addr, $mode, ++$level);
-                       if (($result2['network'] != "") AND ($result2['network'] != NETWORK_FEED))
+                       if (!in_array($result2['network'], array("", NETWORK_PHANTOM, NETWORK_FEED)))
                                $result = $result2;
                }
+
+               // Quickfix for Hubzilla systems with enabled OStatus plugin
+               if (($result['network'] == NETWORK_DIASPORA) AND ($result["batch"] == "")) {
+                       $result2 = probe_url($url, PROBE_DIASPORA, ++$level);
+                       if ($result2['network'] == NETWORK_DIASPORA) {
+                               $addr = $result["addr"];
+                               $result = $result2;
+
+                               if (($result["addr"] == "") AND ($addr != ""))
+                                       $result["addr"] = $addr;
+                       }
+               }
        }
 
        // 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);
+       if ($result['network'] != NETWORK_PHANTOM) {
+               Cache::set("probe_url:".$mode.":".$original_url,serialize($result), CACHE_DAY);
+
+               /// @todo temporary fix - we need a real contact update function that updates only changing fields
+               /// The biggest problem is the avatar picture that could have a reduced image size.
+               /// It should only be updated if the existing picture isn't existing anymore.
+               if (($result['network'] != NETWORK_FEED) AND ($mode == PROBE_NORMAL) AND
+                       $result["name"] AND $result["nick"] AND $result["url"] AND $result["addr"] AND $result["poll"])
+                       q("UPDATE `contact` SET `name` = '%s', `nick` = '%s', `url` = '%s', `addr` = '%s',
+                                       `notify` = '%s', `poll` = '%s', `alias` = '%s', `success_update` = '%s'
+                               WHERE `nurl` = '%s' AND NOT `self` AND `uid` = 0",
+                               dbesc($result["name"]),
+                               dbesc($result["nick"]),
+                               dbesc($result["url"]),
+                               dbesc($result["addr"]),
+                               dbesc($result["notify"]),
+                               dbesc($result["poll"]),
+                               dbesc($result["alias"]),
+                               dbesc(datetime_convert()),
+                               dbesc(normalise_link($result['url']))
+               );
+       }
 
        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);
 }