/**
* Send an HTTP GET to the notification handler with a
* challenge string to see if it repsonds correctly.
*
* @param string $endpoint URL of the notification handler
* @param string $feed the feed being subscribed to
*
* @return boolean success
*/
function challenge($endpoint, $feed)
{
$code = common_confirmation_code(128);
$params = array('url' => $feed, 'challenge' => $code);
$url = $endpoint . '?' . http_build_query($params);
try {
$client = new HTTPClient();
$response = $client->get($url);
} catch (HTTP_Request2_Exception $e) {
common_log(LOG_INFO, 'RSSCloud plugin - failure testing notify handler ' . $endpoint . ' - ' . $e->getMessage());
return false;
}
// Check response is betweet 200 and 299 and body contains challenge data
$status = $response->getStatus();
$body = $response->getBody();
if ($status >= 200 && $status < 300) {
// NOTE: the spec says that the body must contain the string
// challenge. It doesn't say that the body must contain the
// challenge string ONLY, although that seems to be the way
// the other implementors have interpreted it.
if (strpos($body, $code) !== false) {
common_log(LOG_INFO, 'RSSCloud plugin - ' . "success testing notify handler: {$endpoint}");
return true;
} else {
common_log(LOG_INFO, 'RSSCloud plugin - ' . 'challenge/repsonse failed for notify handler ' . $endpoint);
common_debug('body = ' . var_export($body, true));
return false;
}
} else {
common_log(LOG_INFO, 'RSSCloud plugin - ' . "failure testing notify handler: {$endpoint} " . ' - got HTTP ' . $status);
common_debug('body = ' . var_export($body, true));
return false;
}
}
function testGetRequestIsUnsuccessful()
{
\VCR\VCR::insertCassette('gathercontent_get_me_failure.yml');
$subject = new HTTPClient('*****@*****.**', 'bogus-api-key');
$response = $subject->get('https://api.gathercontent.com/me', [], ['Accept: application/vnd.gathercontent.v0.5+json']);
$this->assertNotEquals(200, $response->status);
$this->assertEquals('Invalid credentials.', $response->body);
}
public function checkUpdates(FeedSub $feedsub)
{
$request = new HTTPClient();
$feed = $request->get($feedsub->uri);
if (!$feed->isOk()) {
throw new ServerException('FeedSub could not fetch id=' . $feedsub->id . ' (Error ' . $feed->getStatus() . ': ' . $feed->getBody());
}
$feedsub->receive($feed->getBody(), null);
}
static function fromHcardUrl($url)
{
$client = new HTTPClient();
$client->setHeader('Accept', 'text/html,application/xhtml+xml');
$response = $client->get($url);
if (!$response->isOk()) {
return null;
}
return self::hcardHints($response->getBody(), $response->getUrl());
}
private function _parseSvcDoc()
{
$client = new HTTPClient();
$response = $client->get($this->svcDocUrl);
if ($response->getStatus() != 200) {
throw new Exception("Can't get {$this->svcDocUrl}; response status " . $response->getStatus());
}
$xml = $response->getBody();
$dom = new DOMDocument();
// We don't want to bother with white spaces
$dom->preserveWhiteSpace = false;
// Don't spew XML warnings to output
$old = error_reporting();
error_reporting($old & ~E_WARNING);
$ok = $dom->loadXML($xml);
error_reporting($old);
$path = new DOMXPath($dom);
$path->registerNamespace('atom', 'http://www.w3.org/2005/Atom');
$path->registerNamespace('app', 'http://www.w3.org/2007/app');
$path->registerNamespace('activity', 'http://activitystrea.ms/spec/1.0/');
$collections = $path->query('//app:collection');
for ($i = 0; $i < $collections->length; $i++) {
$collection = $collections->item($i);
$url = $collection->getAttribute('href');
$takesEntries = false;
$accepts = $path->query('app:accept', $collection);
for ($j = 0; $j < $accepts->length; $j++) {
$accept = $accepts->item($j);
$acceptValue = $accept->nodeValue;
if (preg_match('#application/atom\\+xml(;\\s*type=entry)?#', $acceptValue)) {
$takesEntries = true;
break;
}
}
if (!$takesEntries) {
continue;
}
$verbs = $path->query('activity:verb', $collection);
if ($verbs->length == 0) {
$this->_addCollection(ActivityVerb::POST, $url);
} else {
for ($k = 0; $k < $verbs->length; $k++) {
$verb = $verbs->item($k);
$this->_addCollection($verb->nodeValue, $url);
}
}
}
}
/**
* Look up and if necessary create an Ostatus_profile for the remote entity
* with the given profile page URL. This should never return null -- you
* will either get an object or an exception will be thrown.
*
* @param string $profile_url
* @return Ostatus_profile
* @throws Exception on various error conditions
* @throws OStatusShadowException if this reference would obscure a local user/group
*/
public static function updateProfileURL($profile_url, $hints = array())
{
$oprofile = null;
$hints['profileurl'] = $profile_url;
// Fetch the URL
// XXX: HTTP caching
$client = new HTTPClient();
$client->setHeader('Accept', 'text/html,application/xhtml+xml');
$response = $client->get($profile_url);
if (!$response->isOk()) {
// TRANS: Exception. %s is a profile URL.
throw new Exception(sprintf(_('Could not reach profile page %s.'), $profile_url));
}
// Check if we have a non-canonical URL
$finalUrl = $response->getUrl();
if ($finalUrl != $profile_url) {
$hints['profileurl'] = $finalUrl;
}
// Try to get some hCard data
$body = $response->getBody();
$hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
if (!empty($hcardHints)) {
$hints = array_merge($hints, $hcardHints);
}
// Check if they've got an LRDD header
$lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
try {
$xrd = new XML_XRD();
$xrd->loadFile($lrdd);
$xrdHints = DiscoveryHints::fromXRD($xrd);
$hints = array_merge($hints, $xrdHints);
} catch (Exception $e) {
// No hints available from XRD
}
// If discovery found a feedurl (probably from LRDD), use it.
if (array_key_exists('feedurl', $hints)) {
return self::ensureFeedURL($hints['feedurl'], $hints);
}
// Get the feed URL from HTML
$discover = new FeedDiscovery();
$feedurl = $discover->discoverFromHTML($finalUrl, $body);
if (!empty($feedurl)) {
$hints['feedurl'] = $feedurl;
return self::ensureFeedURL($feedurl, $hints);
}
// TRANS: Exception. %s is a URL.
throw new Exception(sprintf(_m('Could not find a feed URL for profile page %s.'), $finalUrl));
}
function getTweetHtml($url)
{
try {
$client = new HTTPClient();
$response = $client->get($url);
} catch (HTTP_Request2_Exception $e) {
print "ERROR: HTTP response " . $e->getMessage() . "\n";
return false;
}
if (!$response->isOk()) {
print "ERROR: HTTP response " . $response->getCode() . "\n";
return false;
}
$body = $response->getBody();
return tweetHtmlFromBody($body);
}
protected function fetchUrl($url, $method = HTTPClient::METHOD_GET)
{
$client = new HTTPClient();
// GAAHHH, this method sucks! How about we make a better HTTPClient interface?
switch ($method) {
case HTTPClient::METHOD_GET:
$response = $client->get($url);
break;
case HTTPClient::METHOD_HEAD:
$response = $client->head($url);
break;
default:
throw new Exception('Bad HTTP method.');
}
if ($response->getStatus() != 200) {
throw new Exception('Unexpected HTTP status code.');
}
return $response;
}
/**
* @param string $url
* @param bool $htmlOk pass false here if you don't want to follow web pages.
* @return string with validated URL
* @throws FeedSubBadURLException
* @throws FeedSubBadHtmlException
* @throws FeedSubNoFeedException
* @throws FeedSubEmptyException
* @throws FeedSubUnrecognizedTypeException
*/
function discoverFromURL($url, $htmlOk = true)
{
try {
$client = new HTTPClient();
$response = $client->get($url);
} catch (HTTP_Request2_Exception $e) {
common_log(LOG_ERR, __METHOD__ . " Failure for {$url} - " . $e->getMessage());
throw new FeedSubBadURLException($e->getMessage());
}
if ($htmlOk) {
$type = $response->getHeader('Content-Type');
$isHtml = preg_match('!^(text/html|application/xhtml\\+xml)!i', $type);
if ($isHtml) {
$target = $this->discoverFromHTML($response->getUrl(), $response->getBody());
if (!$target) {
throw new FeedSubNoFeedException($url);
}
return $this->discoverFromURL($target, false);
}
}
return $this->initFromResponse($response);
}
function pageCount()
{
$http = new HTTPClient();
$ret = $http->get($this->index_url . '/text/_count');
if ($ret !== false) {
if (empty($this->json)) {
$this->json = new Services_JSON();
}
$json = $this->json->decode($ret);
return $json->count;
}
return false;
}
public static function sendRegistration($domain, $email, $access_key = '', $errors = '')
{
// Send data
$link = SITEGUARDING_SERVER . '?action=register&type=json&data=';
$data = array('domain' => $domain, 'email' => $email, 'access_key' => $access_key, 'errors' => $errors);
$link .= base64_encode(json_encode($data));
//$msg = trim(file_get_contents($link));
include_once dirname(__FILE__) . '/HttpClient.class.php';
$HTTPClient = new HTTPClient();
$msg = $HTTPClient->get($link);
if ($msg == '') {
return true;
} else {
return $msg;
}
}
function setAvatar($user)
{
$picUrl = sprintf('http://graph.facebook.com/%s/picture?type=large', $this->fbuid);
// fetch the picture from Facebook
$client = new HTTPClient();
// fetch the actual picture
$response = $client->get($picUrl);
if ($response->isOk()) {
$finalUrl = $client->getUrl();
// Make sure the filename is unique becuase it's possible for a user
// to deauthorize our app, and then come back in as a new user but
// have the same Facebook picture (avatar URLs have a unique index
// and their URLs are based on the filenames).
$filename = 'facebook-' . common_good_rand(4) . '-' . substr(strrchr($finalUrl, '/'), 1);
$ok = file_put_contents(Avatar::path($filename), $response->getBody());
if (!$ok) {
common_log(LOG_WARNING, sprintf('Couldn\'t save Facebook avatar %s', $tmp), __FILE__);
} else {
// save it as an avatar
$profile = $user->getProfile();
if ($profile->setOriginal($filename)) {
common_log(LOG_INFO, sprintf('Saved avatar for %s (%d) from Facebook picture for ' . '%s (fbuid %d), filename = %s', $user->nickname, $user->id, $this->fbuser['name'], $this->fbuid, $filename), __FILE__);
}
}
}
}
/**
* Send a verification ping to subscriber, and if confirmed apply the changes.
* This may create, update, or delete the database record.
*
* @param string $mode 'subscribe' or 'unsubscribe'
* @param string $token hub.verify_token value, if provided by client
* @throws ClientException on failure
*/
function verify($mode, $token = null)
{
assert($mode == 'subscribe' || $mode == 'unsubscribe');
$challenge = common_random_hexstr(32);
$params = array('hub.mode' => $mode, 'hub.topic' => $this->topic, 'hub.challenge' => $challenge);
if ($mode == 'subscribe') {
$params['hub.lease_seconds'] = $this->lease;
}
if ($token !== null) {
// TODO: deprecated in PuSH 0.4
$params['hub.verify_token'] = $token;
// let's put it in there if remote uses PuSH <0.4
}
// Any existing query string parameters must be preserved
$url = $this->callback;
if (strpos($url, '?') !== false) {
$url .= '&';
} else {
$url .= '?';
}
$url .= http_build_query($params, '', '&');
$request = new HTTPClient();
$response = $request->get($url);
$status = $response->getStatus();
if ($status >= 200 && $status < 300) {
common_log(LOG_INFO, "Verified {$mode} of {$this->callback}:{$this->topic}");
} else {
// TRANS: Client exception. %s is a HTTP status code.
throw new ClientException(sprintf(_m('Hub subscriber verification returned HTTP %s.'), $status));
}
$old = HubSub::getByHashkey($this->topic, $this->callback);
if ($mode == 'subscribe') {
if ($old instanceof HubSub) {
$this->update($old);
} else {
$ok = $this->insert();
}
} else {
if ($mode == 'unsubscribe') {
if ($old instanceof HubSub) {
$old->delete();
} else {
// That's ok, we're already unsubscribed.
}
}
}
}
function setAvatar($user)
{
try {
$picUrl = sprintf('http://graph.facebook.com/%d/picture?type=large', $this->fbuser->id);
// fetch the picture from Facebook
$client = new HTTPClient();
// fetch the actual picture
$response = $client->get($picUrl);
if ($response->isOk()) {
// seems to always be jpeg, but not sure
$tmpname = "facebook-avatar-tmp-" . common_random_hexstr(4);
$ok = file_put_contents(Avatar::path($tmpname), $response->getBody());
if (!$ok) {
common_log(LOG_WARNING, 'Couldn\'t save tmp Facebook avatar: ' . $tmpname, __FILE__);
} else {
// save it as an avatar
$imagefile = new ImageFile(null, Avatar::path($tmpname));
$filename = Avatar::filename($user->id, image_type_to_extension($imagefile->preferredType()), 180, common_timestamp());
// Previous docs said 180 is the "biggest img we get from Facebook"
$imagefile->resizeTo(Avatar::path($filename, array('width' => 180, 'height' => 180)));
// No need to keep the temporary file around...
@unlink(Avatar::path($tmpname));
$profile = $user->getProfile();
if ($profile->setOriginal($filename)) {
common_log(LOG_INFO, sprintf('Saved avatar for %s (%d) from Facebook picture for ' . '%s (fbuid %d), filename = %s', $user->nickname, $user->id, $this->fbuser->name, $this->fbuid, $filename), __FILE__);
// clean up tmp file
}
}
}
} catch (Exception $e) {
common_log(LOG_WARNING, 'Couldn\'t save Facebook avatar: ' . $e->getMessage(), __FILE__);
// error isn't fatal, continue
}
}
/**
* Look up and if necessary create an Ostatus_profile for the remote entity
* with the given profile page URL. This should never return null -- you
* will either get an object or an exception will be thrown.
*
* @param string $profile_url
* @return Ostatus_profile
* @throws Exception on various error conditions
* @throws OStatusShadowException if this reference would obscure a local user/group
*/
public static function ensureProfileURL($profile_url, $hints = array())
{
$oprofile = self::getFromProfileURL($profile_url);
if (!empty($oprofile)) {
return $oprofile;
}
$hints['profileurl'] = $profile_url;
// Fetch the URL
// XXX: HTTP caching
$client = new HTTPClient();
$client->setHeader('Accept', 'text/html,application/xhtml+xml');
$response = $client->get($profile_url);
if (!$response->isOk()) {
throw new Exception("Could not reach profile page: " . $profile_url);
}
// Check if we have a non-canonical URL
$finalUrl = $response->getUrl();
if ($finalUrl != $profile_url) {
$hints['profileurl'] = $finalUrl;
$oprofile = self::getFromProfileURL($finalUrl);
if (!empty($oprofile)) {
return $oprofile;
}
}
// Try to get some hCard data
$body = $response->getBody();
$hcardHints = DiscoveryHints::hcardHints($body, $finalUrl);
if (!empty($hcardHints)) {
$hints = array_merge($hints, $hcardHints);
}
// Check if they've got an LRDD header
$lrdd = LinkHeader::getLink($response, 'lrdd', 'application/xrd+xml');
if (!empty($lrdd)) {
$xrd = Discovery::fetchXrd($lrdd);
$xrdHints = DiscoveryHints::fromXRD($xrd);
$hints = array_merge($hints, $xrdHints);
}
// If discovery found a feedurl (probably from LRDD), use it.
if (array_key_exists('feedurl', $hints)) {
return self::ensureFeedURL($hints['feedurl'], $hints);
}
// Get the feed URL from HTML
$discover = new FeedDiscovery();
$feedurl = $discover->discoverFromHTML($finalUrl, $body);
if (!empty($feedurl)) {
$hints['feedurl'] = $feedurl;
return self::ensureFeedURL($feedurl, $hints);
}
throw new Exception("Could not find a feed URL for profile page " . $finalUrl);
}
/**
* Quick static function to GET a URL
*/
public static function quickGet($url, $accept = null)
{
$client = new HTTPClient();
if (!is_null($accept)) {
$client->setHeader('Accept', $accept);
}
$response = $client->get($url);
if (!$response->isOk()) {
// TRANS: Exception. %s is a profile URL.
throw new Exception(sprintf(_m('Could not GET URL %s.'), $url), $response->getStatus());
}
return $response->getBody();
}
/**
* Quick static function to GET a URL
*/
public static function quickGet($url, $accept = null, $params = array())
{
if (!empty($params)) {
$params = http_build_query($params, null, '&');
if (strpos($url, '?') === false) {
$url .= '?' . $params;
} else {
$url .= '&' . $params;
}
}
$client = new HTTPClient();
if (!is_null($accept)) {
$client->setHeader('Accept', $accept);
}
$response = $client->get($url);
if (!$response->isOk()) {
// TRANS: Exception. %s is a profile URL.
throw new Exception(sprintf(_m('Could not GET URL %s.'), $url), $response->getStatus());
}
return $response->getBody();
}
function step2()
{
global $DOWNLOAD;
global $INSTALL_DIR;
global $TGZ;
say('Downloading <a href="' . $DOWNLOAD . '">DokuWiki archive</a>...');
@set_time_limit(120);
@ignore_user_abort();
$http = new HTTPClient();
$http->timeout = 120;
$data = $http->get($DOWNLOAD);
if (!$data) {
say($http->error);
say("Download failed. Try to upload {$TGZ} yourself.");
html_footer();
}
$fp = @fopen($TGZ, "w");
if (!$fp) {
say("Failed to save {$TGZ}. Try to upload it yourself.");
html_footer();
}
fwrite($fp, $data);
fclose($fp);
unset($data);
say("<p>Download completed successfully. Please continue to next step</p>\n <form method=\"get\" action=\"\">\n <input type=\"hidden\" name=\"go\" value=\"3\" />\n <input type=\"submit\" value=\"Okay, proceed to file extraction\" />\n </form>");
html_footer();
}
/**
* Send a verification ping to subscriber, and if confirmed apply the changes.
* This may create, update, or delete the database record.
*
* @param string $mode 'subscribe' or 'unsubscribe'
* @param string $token hub.verify_token value, if provided by client
* @throws ClientException on failure
*/
function verify($mode, $token = null)
{
assert($mode == 'subscribe' || $mode == 'unsubscribe');
$challenge = common_good_rand(32);
$params = array('hub.mode' => $mode, 'hub.topic' => $this->topic, 'hub.challenge' => $challenge);
if ($mode == 'subscribe') {
$params['hub.lease_seconds'] = $this->lease;
}
if ($token !== null) {
$params['hub.verify_token'] = $token;
}
// Any existing query string parameters must be preserved
$url = $this->callback;
if (strpos($url, '?') !== false) {
$url .= '&';
} else {
$url .= '?';
}
$url .= http_build_query($params, '', '&');
$request = new HTTPClient();
$response = $request->get($url);
$status = $response->getStatus();
if ($status >= 200 && $status < 300) {
common_log(LOG_INFO, "Verified {$mode} of {$this->callback}:{$this->topic}");
} else {
throw new ClientException("Hub subscriber verification returned HTTP {$status}");
}
$old = HubSub::staticGet($this->topic, $this->callback);
if ($mode == 'subscribe') {
if ($old) {
$this->update($old);
} else {
$ok = $this->insert();
}
} else {
if ($mode == 'unsubscribe') {
if ($old) {
$old->delete();
} else {
// That's ok, we're already unsubscribed.
}
}
}
}
/**
* Get profile from external instance
*
* @return null or profile object
*/
function getProfileFromExternalInstance($instance_url, $user_id_or_nickname)
{
$apicall = $instance_url . '/api/users/show.json?id=' . $user_id_or_nickname;
$client = new HTTPClient();
$response = $client->get($apicall);
// json_decode returns null if it fails to decode
return $response->isOk() ? json_decode($response->getBody()) : null;
}
/**
* @group internet
*/
function test_chunked()
{
$http = new HTTPClient();
$data = $http->get('http://whoopdedo.org/cgi-bin/chunked/2550');
$this->assertFalse($data === false, 'HTTP response');
$this->assertEquals(2550, strlen($data));
}
function getFacebookUser($id)
{
$key = Cache::key(sprintf("FacebookBridgePlugin:userdata:%s", $id));
$c = Cache::instance();
if ($c) {
$obj = $c->get($key);
if ($obj) {
return $obj;
}
}
$url = sprintf("https://graph.facebook.com/%s", $id);
$client = new HTTPClient();
$resp = $client->get($url);
if (!$resp->isOK()) {
return null;
}
$user = json_decode($resp->getBody());
if ($user->error) {
return null;
}
if ($c) {
$c->set($key, $user);
}
return $user;
}
/**
* Given a user ID, return the first available resource descriptor
*
* @param string $id User ID URI
*
* @return XML_XRD object for the resource descriptor of the id
*/
public function lookup($id)
{
// Normalize the incoming $id to make sure we have a uri
$uri = self::normalize($id);
foreach ($this->methods as $class) {
try {
$xrd = new XML_XRD();
common_debug("LRDD discovery method for '{$uri}': {$class}");
$lrdd = new $class();
$links = call_user_func(array($lrdd, 'discover'), $uri);
$link = Discovery::getService($links, Discovery::LRDD_REL);
// Load the LRDD XRD
if (!empty($link->template)) {
$xrd_uri = Discovery::applyTemplate($link->template, $uri);
} elseif (!empty($link->href)) {
$xrd_uri = $link->href;
} else {
throw new Exception('No resource descriptor URI in link.');
}
$client = new HTTPClient();
$headers = array();
if (!is_null($link->type)) {
$headers[] = "Accept: {$link->type}";
}
$response = $client->get($xrd_uri, $headers);
if ($response->getStatus() != 200) {
throw new Exception('Unexpected HTTP status code.');
}
$xrd->loadString($response->getBody());
return $xrd;
} catch (Exception $e) {
continue;
}
}
// TRANS: Exception. %s is an ID.
throw new Exception(sprintf(_('Unable to find services for %s.'), $id));
}
public function discover($uri)
{
try {
$client = new HTTPClient();
$response = $client->get($uri);
} catch (HTTP_Request2_Exception $e) {
return false;
}
if ($response->getStatus() != 200) {
return false;
}
return Discovery_LRDD_Link_HTML::parse($response->getBody());
}
function setAvatar($user)
{
try {
$picUrl = sprintf('http://graph.facebook.com/%d/picture?type=large', $this->fbuser->id);
// fetch the picture from Facebook
$client = new HTTPClient();
// fetch the actual picture
$response = $client->get($picUrl);
if ($response->isOk()) {
// seems to always be jpeg, but not sure
$tmpname = "facebook-avatar-tmp-" . common_good_rand(4);
$ok = file_put_contents(Avatar::path($tmpname), $response->getBody());
if (!$ok) {
common_log(LOG_WARNING, 'Couldn\'t save tmp Facebook avatar: ' . $tmpname, __FILE__);
} else {
// save it as an avatar
$file = new ImageFile($user->id, Avatar::path($tmpname));
$filename = $file->resize(180);
// size of the biggest img we get from Facebook
$profile = $user->getProfile();
if ($profile->setOriginal($filename)) {
common_log(LOG_INFO, sprintf('Saved avatar for %s (%d) from Facebook picture for ' . '%s (fbuid %d), filename = %s', $user->nickname, $user->id, $this->fbuser->name, $this->fbuid, $filename), __FILE__);
// clean up tmp file
@unlink(Avatar::path($tmpname));
}
}
}
} catch (Exception $e) {
common_log(LOG_WARNING, 'Couldn\'t save Facebook avatar: ' . $e->getMessage(), __FILE__);
// error isn't fatal, continue
}
}
function formatLink($match)
{
global $CONF;
$url = $match[1];
str_replace("\\\\'", "'", $url);
// resolve short url
if ($CONF['longurl']) {
$http = new HTTPClient();
$xml = $http->get('http://api.longurl.org/v2/expand?format=php&url=' . urlencode($url));
if ($xml != false) {
$xml = unserialize($xml);
$long = $xml['long-url'];
}
}
if (!$long) {
$long = $url;
}
$link = '<a href="' . $url . '" title="' . $long . '">' . $url . '</a>';
return $link;
}
