function ensureAbsoluteUrl($url)
{
// error_log(json_encode($this->url_parts));
if (substr($url, 0, 4) == 'http') {
return $url;
} else {
return phpUri::parse($this->url)->join($url);
}
}
/**
* Join with a relative url
*
* @param string $relative the relative url to join
*
* @return string
*/
public function join($relative)
{
$uri = new phpUri($relative);
switch (TRUE) {
case !empty($uri->scheme):
break;
case !empty($uri->authority):
break;
case empty($uri->path):
$uri->path = $this->path;
if (empty($uri->query)) {
$uri->query = $this->query;
}
break;
case strpos($uri->path, '/') === 0:
break;
default:
$base_path = $this->path;
if (strpos($base_path, '/') === FALSE) {
$base_path = '';
} else {
$base_path = preg_replace('/\\/[^\\/]+$/', '/', $base_path);
}
if (empty($base_path) && empty($this->authority)) {
$base_path = '/';
}
$uri->path = $base_path . $uri->path;
}
if (empty($uri->scheme)) {
$uri->scheme = $this->scheme;
if (empty($uri->authority)) {
$uri->authority = $this->authority;
}
}
return $uri->to_str();
}
/**
* Given a URL extracted from a page, return an absolute URL
*
* Takes a URL (e.g. /test) extracted from a page (e.g. http://foo.com/bar/) and
* returns an absolute URL (e.g. http://foo.com/bar/test). Absolute URLs are
* returned as-is.
*
* A null value is returned in the event that the extracted_url is blank or it's
* unable to be parsed.
*
* @param string $extracted_url Relative or absolute URL extracted from page
* @param string $page_url URL of page
* @return string|null Absolute URL, or null
*/
function sist_relative_to_absolute_url($extracted_url, $page_url)
{
$extracted_url = trim($extracted_url);
if ($extracted_url === '') {
return null;
}
// check for a protocol-less URL
// (Note: there's a bug in PHP <= 5.4.7 where parsed URLs starting with //
// are treated as a path. So we're doing this check upfront.)
// http://php.net/manual/en/function.parse-url.php#example-4617
if (strpos($extracted_url, '//') === 0) {
// if this is a local URL, add the protocol to the URL
if (stripos($extracted_url, '//' . sist_origin_host()) === 0) {
$extracted_url = substr_replace($extracted_url, sist_origin_scheme() . '://', 0, 2);
}
return $extracted_url;
}
$parsed_extracted_url = parse_url($extracted_url);
// parse_url can sometimes return false; bail if it does
if ($parsed_extracted_url === false) {
return null;
}
if (isset($parsed_extracted_url['host'])) {
return $extracted_url;
} elseif (isset($parsed_extracted_url['scheme'])) {
// examples of schemes without hosts: java:, data:
return $extracted_url;
} else {
// no host on extracted page (might be relative url)
$path = isset($parsed_extracted_url['path']) ? $parsed_extracted_url['path'] : '';
$query = isset($parsed_extracted_url['query']) ? '?' . $parsed_extracted_url['query'] : '';
$fragment = isset($parsed_extracted_url['fragment']) ? '#' . $parsed_extracted_url['fragment'] : '';
// turn our relative url into an absolute url
$extracted_url = phpUri::parse($page_url)->join($path . $query . $fragment);
return $extracted_url;
}
}
private static function convertRelativeToAbsoluteUrl($domDocument, $attribute, $rootUrl)
{
$xpath = new DOMXPath($domDocument);
$nodes = $xpath->query('//*[@' . $attribute . ' != "" and not(starts-with(@' . $attribute . ', "http"))]');
foreach ($nodes as $node) {
$relativeUrl = $node->getAttribute($attribute);
if (!self::isIgnored($relativeUrl)) {
$absoluteUrl = phpUri::parse($rootUrl)->join($relativeUrl);
$node->setAttribute($attribute, $absoluteUrl);
}
}
}
}
}
$elapsed = microtime() - $start;
echo "rel2abs: successes -> {$successes}, failures => {$failures}, elapsed time: {$elapsed}\n";
# url_to_absolute
$start = microtime();
$base = 'http://a/b/c/d;p?q';
list($successes, $failures) = array(0, 0);
foreach ($tests as $test) {
if (($r = url_to_absolute($base, $test['rel'])) == $test['result']) {
$successes++;
} else {
$failures++;
}
}
$elapsed = microtime() - $start;
echo "url_to_absolute: successes -> {$successes}, failures => {$failures}, elapsed time: {$elapsed}\n";
# phpuri
$start = microtime();
$base = phpUri::parse('http://a/b/c/d;p?q');
list($successes, $failures) = array(0, 0);
foreach ($tests as $test) {
if (($r = $base->join($test['rel'])) == $test['result']) {
$successes++;
} else {
$failures++;
echo "failure: {$r} instead of " . $test['result'] . " \n";
}
}
$elapsed = microtime() - $start;
echo "phpuri: successes -> {$successes}, failures => {$failures}, elapsed time: {$elapsed}\n";
private function make_absolute($relative, $url)
{
require_once DPSFA_DIR . '/libs/phpuri/phpuri.php';
return \phpUri::parse($url)->join($relative);
}
/**
* Given a URL extracted from a page, return an absolute URL
*
* Takes a URL (e.g. /test) extracted from a page (e.g. http://foo.com/bar/) and
* returns an absolute URL (e.g. http://foo.com/bar/test). Absolute URLs are
* returned as-is.
*
* A null value is returned in the event that the extracted_url is blank or it's
* unable to be parsed.
*
* @param string $extracted_url Relative or absolute URL extracted from page
* @param string $page_url URL of page
* @return string|null Absolute URL, or null
*/
function sist_relative_to_absolute_url($extracted_url, $page_url)
{
$extracted_url = trim($extracted_url);
if ($extracted_url === '') {
return null;
}
$parsed_extracted_url = parse_url($extracted_url);
// parse_url can sometimes return false; bail if it does
if ($parsed_extracted_url === false) {
return null;
}
if (isset($parsed_extracted_url['host'])) {
return $extracted_url;
} elseif (isset($parsed_extracted_url['scheme'])) {
// examples of schemes without hosts: java:, data:
return $extracted_url;
} else {
// no host on extracted page (might be relative url)
$path = isset($parsed_extracted_url['path']) ? $parsed_extracted_url['path'] : '';
// Check for a bug in PHP <= 5.4.7 where URLs starting
// with '//' are identified as a path
// http://php.net/manual/en/function.parse-url.php#example-4617
if (substr($path, 0, 2) === '//') {
return $extracted_url;
} else {
$query = isset($parsed_extracted_url['query']) ? '?' . $parsed_extracted_url['query'] : '';
$fragment = isset($parsed_extracted_url['fragment']) ? '#' . $parsed_extracted_url['fragment'] : '';
// turn our relative url into an absolute url
$extracted_url = phpUri::parse($page_url)->join($path . $query . $fragment);
return $extracted_url;
}
}
}
list($successes, $failures) = array(0, 0);
foreach ($tests as $test) {
if (($r = url_to_absolute($test['base'], $test['rel'])) == $test['result']) {
$successes++;
} else {
$failures++;
echo "url_to_absolute failure: {$r} instead of " . $test['result'] . " \n";
}
}
$elapsed = microtime() - $start;
echo "url_to_absolute: successes -> {$successes}, failures => {$failures}, elapsed time: {$elapsed}\n";
# phpuri
$start = microtime();
list($successes, $failures) = array(0, 0);
foreach ($tests as $test) {
$base = phpUri::parse($test['base']);
if (($r = $base->join($test['rel'])) == $test['result']) {
$successes++;
} else {
$failures++;
echo "phpuri failure: {$r} instead of " . $test['result'] . " \n";
}
}
$elapsed = microtime() - $start;
echo "phpuri: successes -> {$successes}, failures => {$failures}, elapsed time: {$elapsed}\n";
# net_url2
$start = microtime();
list($successes, $failures) = array(0, 0);
foreach ($tests as $test) {
$base = new Net_URL2($test['base']);
if (($r = $base->resolve($test['rel'])) == $test['result']) {
