959 lines
27 KiB
PHP
959 lines
27 KiB
PHP
<?php
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require_once('library/HTML5/Parser.php');
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require_once('include/crypto.php');
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require_once('include/feed.php');
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if(! function_exists('scrape_dfrn')) {
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function scrape_dfrn($url, $dont_probe = false) {
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$a = get_app();
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$ret = array();
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logger('scrape_dfrn: url=' . $url);
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// Try to fetch the data from noscrape. This is faster than parsing the HTML
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$noscrape = str_replace("/hcard/", "/noscrape/", $url);
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$noscrapejson = fetch_url($noscrape);
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$noscrapedata = array();
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if ($noscrapejson) {
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$noscrapedata = json_decode($noscrapejson, true);
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if (is_array($noscrapedata)) {
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if ($noscrapedata["nick"] != "")
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return($noscrapedata);
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else
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unset($noscrapedata["nick"]);
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} else
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$noscrapedata = array();
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}
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$s = fetch_url($url);
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if (!$s)
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return $ret;
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if (!$dont_probe) {
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$probe = probe_url($url);
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if (isset($probe["addr"]))
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$ret["addr"] = $probe["addr"];
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}
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$headers = $a->get_curl_headers();
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logger('scrape_dfrn: headers=' . $headers, LOGGER_DEBUG);
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$lines = explode("\n",$headers);
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if(count($lines)) {
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foreach($lines as $line) {
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// don't try and run feeds through the html5 parser
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if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
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return ret;
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}
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}
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try {
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$dom = HTML5_Parser::parse($s);
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} catch (DOMException $e) {
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logger('scrape_dfrn: parse error: ' . $e);
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}
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if(! $dom)
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return $ret;
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$items = $dom->getElementsByTagName('link');
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// get DFRN link elements
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foreach($items as $item) {
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$x = $item->getAttribute('rel');
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if(($x === 'alternate') && ($item->getAttribute('type') === 'application/atom+xml'))
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$ret['feed_atom'] = $item->getAttribute('href');
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if(substr($x,0,5) == "dfrn-") {
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$ret[$x] = $item->getAttribute('href');
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}
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if($x === 'lrdd') {
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$decoded = urldecode($item->getAttribute('href'));
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if(preg_match('/acct:([^@]*)@/',$decoded,$matches))
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$ret['nick'] = $matches[1];
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}
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}
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// Pull out hCard profile elements
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$largest_photo = 0;
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$items = $dom->getElementsByTagName('*');
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foreach($items as $item) {
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if(attribute_contains($item->getAttribute('class'), 'vcard')) {
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$level2 = $item->getElementsByTagName('*');
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foreach($level2 as $x) {
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if(attribute_contains($x->getAttribute('class'),'uid'))
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$ret['guid'] = $x->textContent;
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if(attribute_contains($x->getAttribute('class'),'nickname'))
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$ret['nickname'] = $x->textContent;
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if(attribute_contains($x->getAttribute('class'),'fn'))
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$ret['fn'] = $x->textContent;
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if(attribute_contains($x->getAttribute('class'),'searchable'))
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$ret['searchable'] = $x->textContent;
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if(attribute_contains($x->getAttribute('class'),'key'))
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$ret['key'] = $x->textContent;
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if(attribute_contains($x->getAttribute('class'),'url'))
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$ret['url'] = $x->textContent;
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if((attribute_contains($x->getAttribute('class'),'photo'))
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|| (attribute_contains($x->getAttribute('class'),'avatar'))) {
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$size = intval($x->getAttribute('width'));
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// dfrn prefers 175, so if we find this, we set largest_size so it can't be topped.
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if(($size > $largest_photo) || ($size == 175) || (! $largest_photo)) {
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$ret['photo'] = $x->getAttribute('src');
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$largest_photo = (($size == 175) ? 9999 : $size);
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}
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}
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}
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}
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}
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return array_merge($ret, $noscrapedata);
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}}
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if(! function_exists('validate_dfrn')) {
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function validate_dfrn($a) {
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$errors = 0;
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if(! x($a,'key'))
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$errors ++;
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if(! x($a,'dfrn-request'))
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$errors ++;
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if(! x($a,'dfrn-confirm'))
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$errors ++;
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if(! x($a,'dfrn-notify'))
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$errors ++;
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if(! x($a,'dfrn-poll'))
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$errors ++;
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return $errors;
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}}
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if(! function_exists('scrape_meta')) {
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function scrape_meta($url) {
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$a = get_app();
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$ret = array();
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logger('scrape_meta: url=' . $url);
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$s = fetch_url($url);
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if(! $s)
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return $ret;
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$headers = $a->get_curl_headers();
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logger('scrape_meta: headers=' . $headers, LOGGER_DEBUG);
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$lines = explode("\n",$headers);
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if(count($lines)) {
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foreach($lines as $line) {
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// don't try and run feeds through the html5 parser
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if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
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return ret;
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}
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}
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try {
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$dom = HTML5_Parser::parse($s);
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} catch (DOMException $e) {
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logger('scrape_meta: parse error: ' . $e);
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}
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if(! $dom)
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return $ret;
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$items = $dom->getElementsByTagName('meta');
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// get DFRN link elements
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foreach($items as $item) {
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$x = $item->getAttribute('name');
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if(substr($x,0,5) == "dfrn-")
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$ret[$x] = $item->getAttribute('content');
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}
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return $ret;
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}}
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if(! function_exists('scrape_vcard')) {
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function scrape_vcard($url) {
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$a = get_app();
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$ret = array();
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logger('scrape_vcard: url=' . $url);
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$s = fetch_url($url);
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if(! $s)
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return $ret;
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$headers = $a->get_curl_headers();
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$lines = explode("\n",$headers);
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if(count($lines)) {
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foreach($lines as $line) {
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// don't try and run feeds through the html5 parser
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if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
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return ret;
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}
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}
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try {
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$dom = HTML5_Parser::parse($s);
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} catch (DOMException $e) {
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logger('scrape_vcard: parse error: ' . $e);
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}
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if(! $dom)
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return $ret;
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// Pull out hCard profile elements
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$largest_photo = 0;
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$items = $dom->getElementsByTagName('*');
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foreach($items as $item) {
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if(attribute_contains($item->getAttribute('class'), 'vcard')) {
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$level2 = $item->getElementsByTagName('*');
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foreach($level2 as $x) {
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if(attribute_contains($x->getAttribute('class'),'fn'))
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$ret['fn'] = $x->textContent;
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if((attribute_contains($x->getAttribute('class'),'photo'))
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|| (attribute_contains($x->getAttribute('class'),'avatar'))) {
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$size = intval($x->getAttribute('width'));
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if(($size > $largest_photo) || (! $largest_photo)) {
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$ret['photo'] = $x->getAttribute('src');
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$largest_photo = $size;
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}
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}
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if((attribute_contains($x->getAttribute('class'),'nickname'))
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|| (attribute_contains($x->getAttribute('class'),'uid'))) {
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$ret['nick'] = $x->textContent;
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}
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}
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}
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}
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return $ret;
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}}
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if(! function_exists('scrape_feed')) {
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function scrape_feed($url) {
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$a = get_app();
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$ret = array();
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$cookiejar = tempnam(get_temppath(), 'cookiejar-scrape-feed-');
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$s = fetch_url($url, false, $redirects, 0, Null, $cookiejar);
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unlink($cookiejar);
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$headers = $a->get_curl_headers();
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$code = $a->get_curl_code();
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logger('scrape_feed: returns: ' . $code . ' headers=' . $headers, LOGGER_DEBUG);
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if(! $s) {
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logger('scrape_feed: no data returned for ' . $url);
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return $ret;
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}
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$lines = explode("\n",$headers);
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if(count($lines)) {
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foreach($lines as $line) {
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if(stristr($line,'content-type:')) {
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if(stristr($line,'application/atom+xml') || stristr($s,'<feed')) {
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$ret['feed_atom'] = $url;
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return $ret;
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}
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if(stristr($line,'application/rss+xml') || stristr($s,'<rss')) {
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$ret['feed_rss'] = $url;
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return $ret;
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}
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}
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}
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// perhaps an RSS version 1 feed with a generic or incorrect content-type?
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if(stristr($s,'</item>')) {
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$ret['feed_rss'] = $url;
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return $ret;
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}
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}
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$basename = implode('/', array_slice(explode('/',$url),0,3)) . '/';
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$doc = new DOMDocument();
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@$doc->loadHTML($s);
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$xpath = new DomXPath($doc);
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$base = $xpath->query("//base");
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foreach ($base as $node) {
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$attr = array();
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if ($node->attributes->length)
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foreach ($node->attributes as $attribute)
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$attr[$attribute->name] = $attribute->value;
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if ($attr["href"] != "")
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$basename = $attr["href"] ;
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}
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$list = $xpath->query("//link");
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foreach ($list as $node) {
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$attr = array();
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if ($node->attributes->length)
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foreach ($node->attributes as $attribute)
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$attr[$attribute->name] = $attribute->value;
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if (($attr["rel"] == "alternate") AND ($attr["type"] == "application/atom+xml"))
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$ret["feed_atom"] = $attr["href"];
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if (($attr["rel"] == "alternate") AND ($attr["type"] == "application/rss+xml"))
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$ret["feed_rss"] = $attr["href"];
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}
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// Drupal and perhaps others only provide relative URLs. Turn them into absolute.
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if(x($ret,'feed_atom') && (! strstr($ret['feed_atom'],'://')))
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$ret['feed_atom'] = $basename . $ret['feed_atom'];
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if(x($ret,'feed_rss') && (! strstr($ret['feed_rss'],'://')))
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$ret['feed_rss'] = $basename . $ret['feed_rss'];
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return $ret;
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}}
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/**
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*
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* Probe a network address to discover what kind of protocols we need to communicate with it.
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*
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* Warning: this function is a bit touchy and there are some subtle dependencies within the logic flow.
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* Edit with care.
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*
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*/
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/**
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*
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* PROBE_DIASPORA has a bias towards returning Diaspora information
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* while PROBE_NORMAL has a bias towards dfrn/zot - in the case where
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* an address (such as a Friendica address) supports more than one type
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* of network.
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*
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*/
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define ( 'PROBE_NORMAL', 0);
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define ( 'PROBE_DIASPORA', 1);
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function probe_url($url, $mode = PROBE_NORMAL, $level = 1) {
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require_once('include/email.php');
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$result = array();
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if (!$url)
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return $result;
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$result = Cache::get("probe_url:".$mode.":".$url);
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if (!is_null($result)) {
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$result = unserialize($result);
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return $result;
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}
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$original_url = $url;
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$network = null;
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$diaspora = false;
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$diaspora_base = '';
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$diaspora_guid = '';
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$diaspora_key = '';
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$has_lrdd = false;
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$email_conversant = false;
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$connectornetworks = false;
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$appnet = false;
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if (strpos($url,'twitter.com')) {
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$connectornetworks = true;
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$network = NETWORK_TWITTER;
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}
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$lastfm = ((strpos($url,'last.fm/user') !== false) ? true : false);
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$at_addr = ((strpos($url,'@') !== false) ? true : false);
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if((!$appnet) && (!$lastfm) && !$connectornetworks) {
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if(strpos($url,'mailto:') !== false && $at_addr) {
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$url = str_replace('mailto:','',$url);
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$links = array();
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}
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else
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$links = lrdd($url);
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if ((count($links) == 0) AND strstr($url, "/index.php")) {
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$url = str_replace("/index.php", "", $url);
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$links = lrdd($url);
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}
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if (count($links)) {
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$has_lrdd = true;
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logger('probe_url: found lrdd links: ' . print_r($links,true), LOGGER_DATA);
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foreach($links as $link) {
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if($link['@attributes']['rel'] === NAMESPACE_ZOT)
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$zot = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === NAMESPACE_DFRN)
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$dfrn = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'salmon')
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$notify = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === NAMESPACE_FEED)
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$poll = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
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$hcard = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
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$profile = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'http://portablecontacts.net/spec/1.0')
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$poco = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'http://joindiaspora.com/seed_location') {
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$diaspora_base = unamp($link['@attributes']['href']);
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$diaspora = true;
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}
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if($link['@attributes']['rel'] === 'http://joindiaspora.com/guid') {
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$diaspora_guid = unamp($link['@attributes']['href']);
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$diaspora = true;
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}
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if($link['@attributes']['rel'] === 'diaspora-public-key') {
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$diaspora_key = base64_decode(unamp($link['@attributes']['href']));
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if(strstr($diaspora_key,'RSA '))
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$pubkey = rsatopem($diaspora_key);
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else
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$pubkey = $diaspora_key;
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$diaspora = true;
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}
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if(($link['@attributes']['rel'] === 'http://ostatus.org/schema/1.0/subscribe') AND ($mode == PROBE_NORMAL)) {
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$diaspora = false;
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}
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}
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// Status.Net can have more than one profile URL. We need to match the profile URL
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// to a contact on incoming messages to prevent spam, and we won't know which one
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// to match. So in case of two, one of them is stored as an alias. Only store URL's
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// and not webfinger user@host aliases. If they've got more than two non-email style
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// aliases, let's hope we're lucky and get one that matches the feed author-uri because
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// otherwise we're screwed.
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$backup_alias = "";
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foreach($links as $link) {
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if($link['@attributes']['rel'] === 'alias') {
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if(strpos($link['@attributes']['href'],'@') === false) {
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if(isset($profile)) {
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$alias_url = $link['@attributes']['href'];
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if(($alias_url !== $profile) AND ($backup_alias == "") AND
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($alias_url !== str_replace("/index.php", "", $profile)))
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$backup_alias = $alias_url;
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if(($alias_url !== $profile) AND !strstr($alias_url, "index.php") AND
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($alias_url !== str_replace("/index.php", "", $profile)))
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$alias = $alias_url;
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}
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else
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$profile = unamp($link['@attributes']['href']);
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}
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}
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}
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if ($alias == "")
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$alias = $backup_alias;
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// If the profile is different from the url then the url is abviously an alias
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if (($alias == "") AND ($profile != "") AND !$at_addr AND (normalise_link($profile) != normalise_link($url)))
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$alias = $url;
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}
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elseif($mode == PROBE_NORMAL) {
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// Check email
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$orig_url = $url;
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if((strpos($orig_url,'@')) && validate_email($orig_url)) {
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$x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1",
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intval(local_user())
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);
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$r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1",
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intval(local_user())
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);
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if(count($x) && count($r)) {
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$mailbox = construct_mailbox_name($r[0]);
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$password = '';
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openssl_private_decrypt(hex2bin($r[0]['pass']),$password,$x[0]['prvkey']);
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$mbox = email_connect($mailbox,$r[0]['user'],$password);
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if(! $mbox)
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logger('probe_url: email_connect failed.');
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unset($password);
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}
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if($mbox) {
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$msgs = email_poll($mbox,$orig_url);
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logger('probe_url: searching ' . $orig_url . ', ' . count($msgs) . ' messages found.', LOGGER_DEBUG);
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if(count($msgs)) {
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$addr = $orig_url;
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$network = NETWORK_MAIL;
|
|
$name = substr($url,0,strpos($url,'@'));
|
|
$phost = substr($url,strpos($url,'@')+1);
|
|
$profile = 'http://' . $phost;
|
|
// fix nick character range
|
|
$vcard = array('fn' => $name, 'nick' => $name, 'photo' => avatar_img($url));
|
|
$notify = 'smtp ' . random_string();
|
|
$poll = 'email ' . random_string();
|
|
$priority = 0;
|
|
$x = email_msg_meta($mbox,$msgs[0]);
|
|
if(stristr($x[0]->from,$orig_url))
|
|
$adr = imap_rfc822_parse_adrlist($x[0]->from,'');
|
|
elseif(stristr($x[0]->to,$orig_url))
|
|
$adr = imap_rfc822_parse_adrlist($x[0]->to,'');
|
|
if(isset($adr)) {
|
|
foreach($adr as $feadr) {
|
|
if((strcasecmp($feadr->mailbox,$name) == 0)
|
|
&&(strcasecmp($feadr->host,$phost) == 0)
|
|
&& (strlen($feadr->personal))) {
|
|
|
|
$personal = imap_mime_header_decode($feadr->personal);
|
|
$vcard['fn'] = "";
|
|
foreach($personal as $perspart)
|
|
if ($perspart->charset != "default")
|
|
$vcard['fn'] .= iconv($perspart->charset, 'UTF-8//IGNORE', $perspart->text);
|
|
else
|
|
$vcard['fn'] .= $perspart->text;
|
|
|
|
$vcard['fn'] = notags($vcard['fn']);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
imap_close($mbox);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if($mode == PROBE_NORMAL) {
|
|
|
|
if(strlen($zot)) {
|
|
$s = fetch_url($zot);
|
|
if($s) {
|
|
$j = json_decode($s);
|
|
if($j) {
|
|
$network = NETWORK_ZOT;
|
|
$vcard = array(
|
|
'fn' => $j->fullname,
|
|
'nick' => $j->nickname,
|
|
'photo' => $j->photo
|
|
);
|
|
$profile = $j->url;
|
|
$notify = $j->post;
|
|
$pubkey = $j->pubkey;
|
|
$poll = 'N/A';
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if(strlen($dfrn)) {
|
|
$ret = scrape_dfrn(($hcard) ? $hcard : $dfrn, true);
|
|
if(is_array($ret) && x($ret,'dfrn-request')) {
|
|
$network = NETWORK_DFRN;
|
|
$request = $ret['dfrn-request'];
|
|
$confirm = $ret['dfrn-confirm'];
|
|
$notify = $ret['dfrn-notify'];
|
|
$poll = $ret['dfrn-poll'];
|
|
|
|
$vcard = array();
|
|
$vcard['fn'] = $ret['fn'];
|
|
$vcard['nick'] = $ret['nick'];
|
|
$vcard['photo'] = $ret['photo'];
|
|
}
|
|
}
|
|
}
|
|
|
|
// Scrape the public key from the hcard.
|
|
// Diaspora will remove it from the webfinger somewhere in the future.
|
|
if (($hcard != "") AND ($pubkey == "")) {
|
|
$ret = scrape_dfrn(($hcard) ? $hcard : $dfrn, true);
|
|
if (isset($ret["guid"]))
|
|
$diaspora_guid = $ret["guid"];
|
|
if (isset($ret["url"]))
|
|
$diaspora_base = $ret["url"];
|
|
|
|
if (isset($ret["key"])) {
|
|
$hcard_key = $ret["key"];
|
|
if(strstr($hcard_key,'RSA '))
|
|
$pubkey = rsatopem($hcard_key);
|
|
else
|
|
$pubkey = $hcard_key;
|
|
}
|
|
}
|
|
|
|
if(($network == "") && $diaspora_base && $diaspora_guid) {
|
|
$diaspora_notify = $diaspora_base.'receive/users/'.$diaspora_guid;
|
|
$diaspora = true;
|
|
|
|
if($mode == PROBE_DIASPORA || !$notify || ($notify == $diaspora_notify)) {
|
|
$notify = $diaspora_notify;
|
|
$batch = $diaspora_base . 'receive/public' ;
|
|
}
|
|
if(strpos($url,'@'))
|
|
$addr = str_replace('acct:', '', $url);
|
|
}
|
|
|
|
if($network !== NETWORK_ZOT && $network !== NETWORK_DFRN && $network !== NETWORK_MAIL) {
|
|
if($diaspora)
|
|
$network = NETWORK_DIASPORA;
|
|
elseif($has_lrdd AND ($notify))
|
|
$network = NETWORK_OSTATUS;
|
|
|
|
if(strpos($url,'@'))
|
|
$addr = str_replace('acct:', '', $url);
|
|
|
|
$priority = 0;
|
|
|
|
if($hcard && ! $vcard) {
|
|
$vcard = scrape_vcard($hcard);
|
|
|
|
// Google doesn't use absolute url in profile photos
|
|
|
|
if((x($vcard,'photo')) && substr($vcard['photo'],0,1) == '/') {
|
|
$h = @parse_url($hcard);
|
|
if($h)
|
|
$vcard['photo'] = $h['scheme'] . '://' . $h['host'] . $vcard['photo'];
|
|
}
|
|
|
|
logger('probe_url: scrape_vcard: ' . print_r($vcard,true), LOGGER_DATA);
|
|
}
|
|
|
|
if($diaspora && $addr) {
|
|
// Diaspora returns the name as the nick. As the nick will never be updated,
|
|
// let's use the Diaspora nickname (the first part of the handle) as the nick instead
|
|
$addr_parts = explode('@', $addr);
|
|
$vcard['nick'] = $addr_parts[0];
|
|
}
|
|
|
|
if($lastfm) {
|
|
$profile = $url;
|
|
$poll = str_replace(array('www.','last.fm/'),array('','ws.audioscrobbler.com/1.0/'),$url) . '/recenttracks.rss';
|
|
$vcard['nick'] = basename($url);
|
|
$vcard['fn'] = $vcard['nick'] . t(' on Last.fm');
|
|
$network = NETWORK_FEED;
|
|
}
|
|
|
|
if(! x($vcard,'fn'))
|
|
if(x($vcard,'nick'))
|
|
$vcard['fn'] = $vcard['nick'];
|
|
|
|
$check_feed = false;
|
|
|
|
if(stristr($url,'tumblr.com') && (! stristr($url,'/rss'))) {
|
|
$poll = $url . '/rss';
|
|
$check_feed = true;
|
|
// Will leave it to others to figure out how to grab the avatar, which is on the $url page in the open graph meta links
|
|
}
|
|
|
|
if($appnet || ! $poll)
|
|
$check_feed = true;
|
|
if((! isset($vcard)) || (! x($vcard,'fn')) || (! $profile))
|
|
$check_feed = true;
|
|
if(($at_addr) && (! count($links)))
|
|
$check_feed = false;
|
|
|
|
if ($connectornetworks)
|
|
$check_feed = false;
|
|
|
|
if($check_feed) {
|
|
|
|
$feedret = scrape_feed(($poll) ? $poll : $url);
|
|
|
|
logger('probe_url: scrape_feed ' . (($poll)? $poll : $url) . ' returns: ' . print_r($feedret,true), LOGGER_DATA);
|
|
if(count($feedret) && ($feedret['feed_atom'] || $feedret['feed_rss'])) {
|
|
$poll = ((x($feedret,'feed_atom')) ? unamp($feedret['feed_atom']) : unamp($feedret['feed_rss']));
|
|
if(! x($vcard))
|
|
$vcard = array();
|
|
}
|
|
|
|
if(x($feedret,'photo') && (! x($vcard,'photo')))
|
|
$vcard['photo'] = $feedret['photo'];
|
|
|
|
$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: ' . $xml, LOGGER_DATA);
|
|
|
|
if ($xml == "") {
|
|
logger("scrape_feed: XML is empty for feed ".$poll);
|
|
$network = NETWORK_PHANTOM;
|
|
} else {
|
|
$data = feed_import($xml,$dummy1,$dummy2, $dummy3, true);
|
|
|
|
if (!is_array($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"] = $data["header"]["author-avatar"];
|
|
|
|
if (($vcard["fn"] == "") AND ($data["header"]["author-name"] != ""))
|
|
$vcard["fn"] = $data["header"]["author-name"];
|
|
|
|
if (($vcard["nick"] == "") AND ($data["header"]["author-nick"] != ""))
|
|
$vcard["nick"] = $data["header"]["author-nick"];
|
|
|
|
if ($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 = $data["header"]["author-link"];
|
|
}
|
|
}
|
|
|
|
// Workaround for misconfigured Friendica servers
|
|
if (($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(! $network)
|
|
$network = NETWORK_FEED;
|
|
|
|
if(! x($vcard,'nick')) {
|
|
$vcard['nick'] = strtolower(notags(unxmlify($vcard['fn'])));
|
|
if(strpos($vcard['nick'],' '))
|
|
$vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
|
|
}
|
|
if(! $priority)
|
|
$priority = 2;
|
|
}
|
|
}
|
|
|
|
if(! x($vcard,'photo')) {
|
|
$a = get_app();
|
|
$vcard['photo'] = App::get_baseurl() . '/images/person-175.jpg' ;
|
|
}
|
|
|
|
if(! $profile)
|
|
$profile = $url;
|
|
|
|
// No human could be associated with this link, use the URL as the contact name
|
|
|
|
if(($network === NETWORK_FEED) && ($poll) && (! x($vcard,'fn')))
|
|
$vcard['fn'] = $url;
|
|
|
|
if ($diaspora_base != "")
|
|
$baseurl = $diaspora_base;
|
|
|
|
if (($baseurl == "") AND ($notify != "") AND ($poll != "")) {
|
|
$baseurl = matching_url(normalise_link($notify), normalise_link($poll));
|
|
|
|
$baseurl2 = matching_url($baseurl, normalise_link($profile));
|
|
if ($baseurl2 != "")
|
|
$baseurl = $baseurl2;
|
|
}
|
|
|
|
if (($baseurl == "") AND ($notify != ""))
|
|
$baseurl = matching_url(normalise_link($profile), normalise_link($notify));
|
|
|
|
if (($baseurl == "") AND ($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, "/");
|
|
|
|
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']));
|
|
|
|
$result['name'] = $vcard['fn'];
|
|
$result['nick'] = $vcard['nick'];
|
|
$result['guid'] = $diaspora_guid;
|
|
$result['url'] = $profile;
|
|
$result['addr'] = $addr;
|
|
$result['batch'] = $batch;
|
|
$result['notify'] = $notify;
|
|
$result['poll'] = $poll;
|
|
$result['request'] = $request;
|
|
$result['confirm'] = $confirm;
|
|
$result['poco'] = $poco;
|
|
$result['photo'] = $vcard['photo'];
|
|
$result['priority'] = $priority;
|
|
$result['network'] = $network;
|
|
$result['alias'] = $alias;
|
|
$result['pubkey'] = $pubkey;
|
|
$result['baseurl'] = $baseurl;
|
|
|
|
logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG);
|
|
|
|
if ($level == 1) {
|
|
// Trying if it maybe a diaspora account
|
|
if (($result['network'] == NETWORK_FEED) OR ($result['addr'] == "")) {
|
|
require_once('include/bbcode.php');
|
|
$address = GetProfileUsername($url, "", true);
|
|
$result2 = probe_url($address, $mode, ++$level);
|
|
if (!in_array($result2['network'], array("", NETWORK_PHANTOM, NETWORK_FEED)))
|
|
$result = $result2;
|
|
}
|
|
|
|
// Maybe it's some non standard GNU Social installation (Single user, subfolder or no uri rewrite)
|
|
if (($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 (!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:".$mode.":".$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;
|
|
}
|
|
|
|
/**
|
|
* @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"]);
|
|
|
|
$i = 0;
|
|
$path = "";
|
|
do {
|
|
$path1 = $pathparts1[$i];
|
|
$path2 = $pathparts2[$i];
|
|
|
|
if ($path1 == $path2)
|
|
$path .= $path1."/";
|
|
|
|
} while (($path1 == $path2) AND ($i++ <= count($pathparts1)));
|
|
|
|
$match .= $path;
|
|
|
|
return normalise_link($match);
|
|
}
|