Initial checkin

1 files changed, 80 insertions, 0 deletions

diff --git a/include/Scrape.php b/include/Scrape.php
new file mode 100644
index 000000000..cc5015165
--- /dev/null
+++ b/include/Scrape.php
@@ -0,0 +1,80 @@
+<?php
+
+require_once('library/HTML5/Parser.php');
+
+if(! function_exists('attribute_contains')) {
+function attribute_contains($attr,$s) {
+	$a = explode(' ', $attr);
+	if(count($a) && in_array($s,$a))
+		return true;
+	return false;
+}}
+
+
+if(! function_exists('scrape_dfrn')) {
+function scrape_dfrn($url) {
+
+	$ret = array();
+	$s = fetch_url($url);
+
+	if(! $s) 
+		return $ret;
+
+	$dom = HTML5_Parser::parse($s);
+
+	if(! $dom)
+		return $ret;
+
+	$items = $dom->getElementsByTagName('link');
+
+	// get DFRN link elements
+
+	foreach($items as $item) {
+		$x = $item->getAttribute('rel');
+		if(substr($x,0,5) == "dfrn-")
+			$ret[$x] = $item->getAttribute('href');
+	}
+
+	// Pull out hCard profile elements
+
+	$items = $dom->getElementsByTagName('*');
+	foreach($items as $item) {
+		if(attribute_contains($item->getAttribute('class'), 'vcard')) {
+			$level2 = $item->getElementsByTagName('*');
+			foreach($level2 as $x) {
+				if(attribute_contains($x->getAttribute('class'),'fn'))
+					$ret['fn'] = $x->textContent;
+				if(attribute_contains($x->getAttribute('class'),'photo'))
+					$ret['photo'] = $x->getAttribute('src');
+				if(attribute_contains($x->getAttribute('class'),'key'))
+					$ret['key'] = $x->textContent;
+        		}
+		}
+	}
+
+	return $ret;
+}}
+
+
+
+
+
+
+if(! function_exists('validate_dfrn')) {
+function validate_dfrn($a) {
+	$errors = 0;
+	if(! x($a,'key'))
+		$errors ++;
+	if(! x($a,'dfrn-request'))
+		$errors ++;
+	if(! x($a,'dfrn-confirm'))
+		$errors ++;
+	if(! x($a,'dfrn-notify'))
+		$errors ++;
+	if(! x($a,'dfrn-poll'))
+		$errors ++;
+	return $errors;
+}}
+
+
+