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clean up the salmon consumer bits

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This commit is contained in:
Mike Macgirvin 2010-10-21 15:32:09 -07:00
parent 81be82ddab
commit a8a88d2532
2 changed files with 65 additions and 36 deletions
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65
include/salmon.php
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@ -43,49 +43,49 @@ function get_salmon_key($uri,$keyhash) {
$a = get_app();
$h = $a->get_curl_headers();
if($debugging)
file_put_contents('salmon.out', "\n" . 'Fetch key via HTML header: ' . $h . "\n", FILE_APPEND);
file_put_contents('salmon.out', "\n" . 'Fetch key via HTTP header: ' . $h . "\n", FILE_APPEND);
$l = explode("\n",$h);
if(count($l)) {
foreach($l as $line) {
if($debugging)
file_put_contents('salmon.out', "\n" . $line . "\n", FILE_APPEND);
foreach($l as $line) {
if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
$link = $matches[1];
if($debugging)
file_put_contents('salmon.out', "\n" . 'Fetch key via Link from header: ' . $link . "\n", FILE_APPEND);
file_put_contents('salmon.out', "\n" . 'Fetch key via HTML Link: ' . $link . "\n", FILE_APPEND);
break;
}
}
}
}
if(! isset($link)) {
require_once('library/HTML5/Parser.php');
$dom = HTML5_Parser::parse($html);
if(! isset($link)) {
if(! $dom)
return '';
// parse the page of the supplied URL looking for rel links
$items = $dom->getElementsByTagName('link');
require_once('library/HTML5/Parser.php');
$dom = HTML5_Parser::parse($html);
foreach($items as $item) {
$x = $item->getAttribute('rel');
if($x == "lrdd") {
$link = $item->getAttribute('href');
if($debugging)
file_put_contents('salmon.out', "\n" . 'Fetch key via HTML body' . $link . "\n", FILE_APPEND);
break;
if(! $dom)
return '';
$items = $dom->getElementsByTagName('link');
foreach($items as $item) {
$x = $item->getAttribute('rel');
if($x == "lrdd") {
$link = $item->getAttribute('href');
if($debugging)
file_put_contents('salmon.out', "\n" . 'Fetch key via HTML body' . $link . "\n", FILE_APPEND);
break;
}
}
}
if(! isset($link))
return '';
$arr = fetch_xrd_links($link);
}
if(! isset($link))
return '';
$arr = fetch_xrd_links($link);
if($arr) {
foreach($arr as $a) {
if($a['@attributes']['rel'] === 'magic-public-key') {
@ -93,6 +93,13 @@ function get_salmon_key($uri,$keyhash) {
}
}
}
else {
return '';
}
// We have found at least one key URL
// If it's inline, parse it - otherwise get the key
if(count($ret)) {
for($x = 0; $x < count($ret); $x ++) {
if(substr($ret[$x],0,5) === 'data:') {
@ -105,10 +112,18 @@ function get_salmon_key($uri,$keyhash) {
$ret[$x] = fetch_url($ret[$x]);
}
}
if($debugging)
file_put_contents('salmon.out', "\n" . 'Key located: ' . print_r($ret,true) . "\n", FILE_APPEND);
if(count($ret) == 1) {
// We only found one one key so we don't care if the hash matches.
// If it's the wrong key we'll find out soon enough because
// message verification will fail. This also covers some older
// software which don't supply a keyhash. As long as they only
// have one key we'll be right.
return $ret[0];
}
else {