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Move StatusNet addon dependencies in own library subfolder

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- Move CodebirdSN to library/codebirdsn.php
- Move StatusNetOAuth class to library/statusnetoauth.php
- Copy TwitterOAuth to library/twitteroauth.php
- Copy OAuth1 to library/OAuth1.php
This commit is contained in:
Hypolite Petovan 2018-01-28 14:33:47 -05:00
commit 7afef6b87f
5 changed files with 1280 additions and 105 deletions
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statusnet/library/OAuth1.php Normal file
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<?php
// vim: foldmethod=marker
/* Generic exception class
*/
if (!class_exists('OAuthException')) {
class OAuthException extends Exception {
// pass
}
}
class OAuthConsumer {
public $key;
public $secret;
function __construct($key, $secret, $callback_url=NULL) {
$this->key = $key;
$this->secret = $secret;
$this->callback_url = $callback_url;
}
function __toString() {
return "OAuthConsumer[key=$this->key,secret=$this->secret]";
}
}
class OAuthToken {
// access tokens and request tokens
public $key;
public $secret;
public $expires;
public $scope;
public $uid;
/**
* key = the token
* secret = the token secret
*/
function __construct($key, $secret) {
$this->key = $key;
$this->secret = $secret;
}
/**
* generates the basic string serialization of a token that a server
* would respond to request_token and access_token calls with
*/
function to_string() {
return "oauth_token=" .
OAuthUtil::urlencode_rfc3986($this->key) .
"&oauth_token_secret=" .
OAuthUtil::urlencode_rfc3986($this->secret);
}
function __toString() {
return $this->to_string();
}
}
/**
* A class for implementing a Signature Method
* See section 9 ("Signing Requests") in the spec
*/
abstract class OAuthSignatureMethod {
/**
* Needs to return the name of the Signature Method (ie HMAC-SHA1)
* @return string
*/
abstract public function get_name();
/**
* Build up the signature
* NOTE: The output of this function MUST NOT be urlencoded.
* the encoding is handled in OAuthRequest when the final
* request is serialized
* @param OAuthRequest $request
* @param OAuthConsumer $consumer
* @param OAuthToken $token
* @return string
*/
abstract public function build_signature($request, $consumer, $token);
/**
* Verifies that a given signature is correct
* @param OAuthRequest $request
* @param OAuthConsumer $consumer
* @param OAuthToken $token
* @param string $signature
* @return bool
*/
public function check_signature($request, $consumer, $token, $signature) {
$built = $this->build_signature($request, $consumer, $token);
//echo "<pre>"; var_dump($signature, $built, ($built == $signature)); killme();
return ($built == $signature);
}
}
/**
* The HMAC-SHA1 signature method uses the HMAC-SHA1 signature algorithm as defined in [RFC2104]
* where the Signature Base String is the text and the key is the concatenated values (each first
* encoded per Parameter Encoding) of the Consumer Secret and Token Secret, separated by an '&'
* character (ASCII code 38) even if empty.
* - Chapter 9.2 ("HMAC-SHA1")
*/
class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {
function get_name() {
return "HMAC-SHA1";
}
public function build_signature($request, $consumer, $token) {
$base_string = $request->get_signature_base_string();
$request->base_string = $base_string;
$key_parts = array(
$consumer->secret,
($token) ? $token->secret : ""
);
$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
$key = implode('&', $key_parts);
$r = base64_encode(hash_hmac('sha1', $base_string, $key, true));
return $r;
}
}
/**
* The PLAINTEXT method does not provide any security protection and SHOULD only be used
* over a secure channel such as HTTPS. It does not use the Signature Base String.
* - Chapter 9.4 ("PLAINTEXT")
*/
class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod {
public function get_name() {
return "PLAINTEXT";
}
/**
* oauth_signature is set to the concatenated encoded values of the Consumer Secret and
* Token Secret, separated by a '&' character (ASCII code 38), even if either secret is
* empty. The result MUST be encoded again.
* - Chapter 9.4.1 ("Generating Signatures")
*
* Please note that the second encoding MUST NOT happen in the SignatureMethod, as
* OAuthRequest handles this!
*/
public function build_signature($request, $consumer, $token) {
$key_parts = array(
$consumer->secret,
($token) ? $token->secret : ""
);
$key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
$key = implode('&', $key_parts);
$request->base_string = $key;
return $key;
}
}
/**
* The RSA-SHA1 signature method uses the RSASSA-PKCS1-v1_5 signature algorithm as defined in
* [RFC3447] section 8.2 (more simply known as PKCS#1), using SHA-1 as the hash function for
* EMSA-PKCS1-v1_5. It is assumed that the Consumer has provided its RSA public key in a
* verified way to the Service Provider, in a manner which is beyond the scope of this
* specification.
* - Chapter 9.3 ("RSA-SHA1")
*/
abstract class OAuthSignatureMethod_RSA_SHA1 extends OAuthSignatureMethod {
public function get_name() {
return "RSA-SHA1";
}
// Up to the SP to implement this lookup of keys. Possible ideas are:
// (1) do a lookup in a table of trusted certs keyed off of consumer
// (2) fetch via http using a url provided by the requester
// (3) some sort of specific discovery code based on request
//
// Either way should return a string representation of the certificate
protected abstract function fetch_public_cert(&$request);
// Up to the SP to implement this lookup of keys. Possible ideas are:
// (1) do a lookup in a table of trusted certs keyed off of consumer
//
// Either way should return a string representation of the certificate
protected abstract function fetch_private_cert(&$request);
public function build_signature($request, $consumer, $token) {
$base_string = $request->get_signature_base_string();
$request->base_string = $base_string;
// Fetch the private key cert based on the request
$cert = $this->fetch_private_cert($request);
// Pull the private key ID from the certificate
$privatekeyid = openssl_get_privatekey($cert);
// Sign using the key
$ok = openssl_sign($base_string, $signature, $privatekeyid);
// Release the key resource
openssl_free_key($privatekeyid);
return base64_encode($signature);
}
public function check_signature($request, $consumer, $token, $signature) {
$decoded_sig = base64_decode($signature);
$base_string = $request->get_signature_base_string();
// Fetch the public key cert based on the request
$cert = $this->fetch_public_cert($request);
// Pull the public key ID from the certificate
$publickeyid = openssl_get_publickey($cert);
// Check the computed signature against the one passed in the query
$ok = openssl_verify($base_string, $decoded_sig, $publickeyid);
// Release the key resource
openssl_free_key($publickeyid);
return $ok == 1;
}
}
class OAuthRequest {
private $parameters;
private $http_method;
private $http_url;
// for debug purposes
public $base_string;
public static $version = '1.0';
public static $POST_INPUT = 'php://input';
function __construct($http_method, $http_url, $parameters=NULL) {
@$parameters or $parameters = array();
$parameters = array_merge( OAuthUtil::parse_parameters(parse_url($http_url, PHP_URL_QUERY)), $parameters);
$this->parameters = $parameters;
$this->http_method = $http_method;
$this->http_url = $http_url;
}
/**
* attempt to build up a request from what was passed to the server
*/
public static function from_request($http_method=NULL, $http_url=NULL, $parameters=NULL) {
$scheme = (!isset($_SERVER['HTTPS']) || $_SERVER['HTTPS'] != "on")
? 'http'
: 'https';
@$http_url or $http_url = $scheme .
'://' . $_SERVER['HTTP_HOST'] .
':' .
$_SERVER['SERVER_PORT'] .
$_SERVER['REQUEST_URI'];
@$http_method or $http_method = $_SERVER['REQUEST_METHOD'];
// We weren't handed any parameters, so let's find the ones relevant to
// this request.
// If you run XML-RPC or similar you should use this to provide your own
// parsed parameter-list
if (!$parameters) {
// Find request headers
$request_headers = OAuthUtil::get_headers();
// Parse the query-string to find GET parameters
$parameters = OAuthUtil::parse_parameters($_SERVER['QUERY_STRING']);
// It's a POST request of the proper content-type, so parse POST
// parameters and add those overriding any duplicates from GET
if ($http_method == "POST"
&& @strstr($request_headers["Content-Type"],
"application/x-www-form-urlencoded")
) {
$post_data = OAuthUtil::parse_parameters(
file_get_contents(self::$POST_INPUT)
);
$parameters = array_merge($parameters, $post_data);
}
// We have a Authorization-header with OAuth data. Parse the header
// and add those overriding any duplicates from GET or POST
if (@substr($request_headers['Authorization'], 0, 6) == "OAuth ") {
$header_parameters = OAuthUtil::split_header(
$request_headers['Authorization']
);
$parameters = array_merge($parameters, $header_parameters);
}
}
// fix for friendica redirect system
$http_url = substr($http_url, 0, strpos($http_url,$parameters['pagename'])+strlen($parameters['pagename']));
unset( $parameters['pagename'] );
//echo "<pre>".__function__."\n"; var_dump($http_method, $http_url, $parameters, $_SERVER['REQUEST_URI']); killme();
return new OAuthRequest($http_method, $http_url, $parameters);
}
/**
* pretty much a helper function to set up the request
*/
public static function from_consumer_and_token($consumer, $token, $http_method, $http_url, $parameters=NULL) {
@$parameters or $parameters = array();
$defaults = array("oauth_version" => OAuthRequest::$version,
"oauth_nonce" => OAuthRequest::generate_nonce(),
"oauth_timestamp" => OAuthRequest::generate_timestamp(),
"oauth_consumer_key" => $consumer->key);
if ($token)
$defaults['oauth_token'] = $token->key;
$parameters = array_merge($defaults, $parameters);
return new OAuthRequest($http_method, $http_url, $parameters);
}
public function set_parameter($name, $value, $allow_duplicates = true) {
if ($allow_duplicates && isset($this->parameters[$name])) {
// We have already added parameter(s) with this name, so add to the list
if (is_scalar($this->parameters[$name])) {
// This is the first duplicate, so transform scalar (string)
// into an array so we can add the duplicates
$this->parameters[$name] = array($this->parameters[$name]);
}
$this->parameters[$name][] = $value;
} else {
$this->parameters[$name] = $value;
}
}
public function get_parameter($name) {
return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
}
public function get_parameters() {
return $this->parameters;
}
public function unset_parameter($name) {
unset($this->parameters[$name]);
}
/**
* The request parameters, sorted and concatenated into a normalized string.
* @return string
*/
public function get_signable_parameters() {
// Grab all parameters
$params = $this->parameters;
// Remove oauth_signature if present
// Ref: Spec: 9.1.1 ("The oauth_signature parameter MUST be excluded.")
if (isset($params['oauth_signature'])) {
unset($params['oauth_signature']);
}
return OAuthUtil::build_http_query($params);
}
/**
* Returns the base string of this request
*
* The base string defined as the method, the url
* and the parameters (normalized), each urlencoded
* and the concated with &.
*/
public function get_signature_base_string() {
$parts = array(
$this->get_normalized_http_method(),
$this->get_normalized_http_url(),
$this->get_signable_parameters()
);
$parts = OAuthUtil::urlencode_rfc3986($parts);
return implode('&', $parts);
}
/**
* just uppercases the http method
*/
public function get_normalized_http_method() {
return strtoupper($this->http_method);
}
/**
* parses the url and rebuilds it to be
* scheme://host/path
*/
public function get_normalized_http_url() {
$parts = parse_url($this->http_url);
$port = @$parts['port'];
$scheme = $parts['scheme'];
$host = $parts['host'];
$path = @$parts['path'];
$port or $port = ($scheme == 'https') ? '443' : '80';
if (($scheme == 'https' && $port != '443')
|| ($scheme == 'http' && $port != '80')) {
$host = "$host:$port";
}
return "$scheme://$host$path";
}
/**
* builds a url usable for a GET request
*/
public function to_url() {
$post_data = $this->to_postdata();
$out = $this->get_normalized_http_url();
if ($post_data) {
$out .= '?'.$post_data;
}
return $out;
}
/**
* builds the data one would send in a POST request
*/
public function to_postdata($raw = false) {
if ($raw)
return($this->parameters);
else
return OAuthUtil::build_http_query($this->parameters);
}
/**
* builds the Authorization: header
*/
public function to_header($realm=null) {
$first = true;
if($realm) {
$out = 'Authorization: OAuth realm="' . OAuthUtil::urlencode_rfc3986($realm) . '"';
$first = false;
} else
$out = 'Authorization: OAuth';
$total = array();
foreach ($this->parameters as $k => $v) {
if (substr($k, 0, 5) != "oauth") continue;
if (is_array($v)) {
throw new OAuthException('Arrays not supported in headers');
}
$out .= ($first) ? ' ' : ',';
$out .= OAuthUtil::urlencode_rfc3986($k) .
'="' .
OAuthUtil::urlencode_rfc3986($v) .
'"';
$first = false;
}
return $out;
}
public function __toString() {
return $this->to_url();
}
public function sign_request($signature_method, $consumer, $token) {
$this->set_parameter(
"oauth_signature_method",
$signature_method->get_name(),
false
);
$signature = $this->build_signature($signature_method, $consumer, $token);
$this->set_parameter("oauth_signature", $signature, false);
}
public function build_signature($signature_method, $consumer, $token) {
$signature = $signature_method->build_signature($this, $consumer, $token);
return $signature;
}
/**
* util function: current timestamp
*/
private static function generate_timestamp() {
return time();
}
/**
* util function: current nonce
*/
private static function generate_nonce() {
$mt = microtime();
$rand = mt_rand();
return md5($mt . $rand); // md5s look nicer than numbers
}
}
class OAuthServer {
protected $timestamp_threshold = 300; // in seconds, five minutes
protected $version = '1.0'; // hi blaine
protected $signature_methods = array();
protected $data_store;
function __construct($data_store) {
$this->data_store = $data_store;
}
public function add_signature_method($signature_method) {
$this->signature_methods[$signature_method->get_name()] =
$signature_method;
}
// high level functions
/**
* process a request_token request
* returns the request token on success
*/
public function fetch_request_token(&$request) {
$this->get_version($request);
$consumer = $this->get_consumer($request);
// no token required for the initial token request
$token = NULL;
$this->check_signature($request, $consumer, $token);
// Rev A change
$callback = $request->get_parameter('oauth_callback');
$new_token = $this->data_store->new_request_token($consumer, $callback);
return $new_token;
}
/**
* process an access_token request
* returns the access token on success
*/
public function fetch_access_token(&$request) {
$this->get_version($request);
$consumer = $this->get_consumer($request);
// requires authorized request token
$token = $this->get_token($request, $consumer, "request");
$this->check_signature($request, $consumer, $token);
// Rev A change
$verifier = $request->get_parameter('oauth_verifier');
$new_token = $this->data_store->new_access_token($token, $consumer, $verifier);
return $new_token;
}
/**
* verify an api call, checks all the parameters
*/
public function verify_request(&$request) {
$this->get_version($request);
$consumer = $this->get_consumer($request);
//echo __file__.__line__.__function__."<pre>"; var_dump($consumer); die();
$token = $this->get_token($request, $consumer, "access");
$this->check_signature($request, $consumer, $token);
return array($consumer, $token);
}
// Internals from here
/**
* version 1
*/
private function get_version(&$request) {
$version = $request->get_parameter("oauth_version");
if (!$version) {
// Service Providers MUST assume the protocol version to be 1.0 if this parameter is not present.
// Chapter 7.0 ("Accessing Protected Ressources")
$version = '1.0';
}
if ($version !== $this->version) {
throw new OAuthException("OAuth version '$version' not supported");
}
return $version;
}
/**
* figure out the signature with some defaults
*/
private function get_signature_method(&$request) {
$signature_method =
@$request->get_parameter("oauth_signature_method");
if (!$signature_method) {
// According to chapter 7 ("Accessing Protected Ressources") the signature-method
// parameter is required, and we can't just fallback to PLAINTEXT
throw new OAuthException('No signature method parameter. This parameter is required');
}
if (!in_array($signature_method,
array_keys($this->signature_methods))) {
throw new OAuthException(
"Signature method '$signature_method' not supported " .
"try one of the following: " .
implode(", ", array_keys($this->signature_methods))
);
}
return $this->signature_methods[$signature_method];
}
/**
* try to find the consumer for the provided request's consumer key
*/
private function get_consumer(&$request) {
$consumer_key = @$request->get_parameter("oauth_consumer_key");
if (!$consumer_key) {
throw new OAuthException("Invalid consumer key");
}
$consumer = $this->data_store->lookup_consumer($consumer_key);
if (!$consumer) {
throw new OAuthException("Invalid consumer");
}
return $consumer;
}
/**
* try to find the token for the provided request's token key
*/
private function get_token(&$request, $consumer, $token_type="access") {
$token_field = @$request->get_parameter('oauth_token');
$token = $this->data_store->lookup_token(
$consumer, $token_type, $token_field
);
if (!$token) {
throw new OAuthException("Invalid $token_type token: $token_field");
}
return $token;
}
/**
* all-in-one function to check the signature on a request
* should guess the signature method appropriately
*/
private function check_signature(&$request, $consumer, $token) {
// this should probably be in a different method
$timestamp = @$request->get_parameter('oauth_timestamp');
$nonce = @$request->get_parameter('oauth_nonce');
$this->check_timestamp($timestamp);
$this->check_nonce($consumer, $token, $nonce, $timestamp);
$signature_method = $this->get_signature_method($request);
$signature = $request->get_parameter('oauth_signature');
$valid_sig = $signature_method->check_signature(
$request,
$consumer,
$token,
$signature
);
if (!$valid_sig) {
throw new OAuthException("Invalid signature");
}
}
/**
* check that the timestamp is new enough
*/
private function check_timestamp($timestamp) {
if( ! $timestamp )
throw new OAuthException(
'Missing timestamp parameter. The parameter is required'
);
// verify that timestamp is recentish
$now = time();
if (abs($now - $timestamp) > $this->timestamp_threshold) {
throw new OAuthException(
"Expired timestamp, yours $timestamp, ours $now"
);
}
}
/**
* check that the nonce is not repeated
*/
private function check_nonce($consumer, $token, $nonce, $timestamp) {
if( ! $nonce )
throw new OAuthException(
'Missing nonce parameter. The parameter is required'
);
// verify that the nonce is uniqueish
$found = $this->data_store->lookup_nonce(
$consumer,
$token,
$nonce,
$timestamp
);
if ($found) {
throw new OAuthException("Nonce already used: $nonce");
}
}
}
class OAuthDataStore {
function lookup_consumer($consumer_key) {
// implement me
}
function lookup_token($consumer, $token_type, $token) {
// implement me
}
function lookup_nonce($consumer, $token, $nonce, $timestamp) {
// implement me
}
function new_request_token($consumer, $callback = null) {
// return a new token attached to this consumer
}
function new_access_token($token, $consumer, $verifier = null) {
// return a new access token attached to this consumer
// for the user associated with this token if the request token
// is authorized
// should also invalidate the request token
}
}
class OAuthUtil {
public static function urlencode_rfc3986($input) {
if (is_array($input)) {
return array_map(array('OAuthUtil', 'urlencode_rfc3986'), $input);
} else if (is_scalar($input)) {
return str_replace(
'+',
' ',
str_replace('%7E', '~', rawurlencode($input))
);
} else {
return '';
}
}
// This decode function isn't taking into consideration the above
// modifications to the encoding process. However, this method doesn't
// seem to be used anywhere so leaving it as is.
public static function urldecode_rfc3986($string) {
return urldecode($string);
}
// Utility function for turning the Authorization: header into
// parameters, has to do some unescaping
// Can filter out any non-oauth parameters if needed (default behaviour)
public static function split_header($header, $only_allow_oauth_parameters = true) {
$pattern = '/(([-_a-z]*)=("([^"]*)"|([^,]*)),?)/';
$offset = 0;
$params = array();
while (preg_match($pattern, $header, $matches, PREG_OFFSET_CAPTURE, $offset) > 0) {
$match = $matches[0];
$header_name = $matches[2][0];
$header_content = (isset($matches[5])) ? $matches[5][0] : $matches[4][0];
if (preg_match('/^oauth_/', $header_name) || !$only_allow_oauth_parameters) {
$params[$header_name] = OAuthUtil::urldecode_rfc3986($header_content);
}
$offset = $match[1] + strlen($match[0]);
}
if (isset($params['realm'])) {
unset($params['realm']);
}
return $params;
}
// helper to try to sort out headers for people who aren't running apache
public static function get_headers() {
if (function_exists('apache_request_headers')) {
// we need this to get the actual Authorization: header
// because apache tends to tell us it doesn't exist
$headers = apache_request_headers();
// sanitize the output of apache_request_headers because
// we always want the keys to be Cased-Like-This and arh()
// returns the headers in the same case as they are in the
// request
$out = array();
foreach( $headers AS $key => $value ) {
$key = str_replace(
" ",
"-",
ucwords(strtolower(str_replace("-", " ", $key)))
);
$out[$key] = $value;
}
} else {
// otherwise we don't have apache and are just going to have to hope
// that $_SERVER actually contains what we need
$out = array();
if( isset($_SERVER['CONTENT_TYPE']) )
$out['Content-Type'] = $_SERVER['CONTENT_TYPE'];
if( isset($_ENV['CONTENT_TYPE']) )
$out['Content-Type'] = $_ENV['CONTENT_TYPE'];
foreach ($_SERVER as $key => $value) {
if (substr($key, 0, 5) == "HTTP_") {
// this is chaos, basically it is just there to capitalize the first
// letter of every word that is not an initial HTTP and strip HTTP
// code from przemek
$key = str_replace(
" ",
"-",
ucwords(strtolower(str_replace("_", " ", substr($key, 5))))
);
$out[$key] = $value;
}
}
}
return $out;
}
// This function takes a input like a=b&a=c&d=e and returns the parsed
// parameters like this
// array('a' => array('b','c'), 'd' => 'e')
public static function parse_parameters( $input ) {
if (!isset($input) || !$input) return array();
$pairs = explode('&', $input);
$parsed_parameters = array();
foreach ($pairs as $pair) {
$split = explode('=', $pair, 2);
$parameter = OAuthUtil::urldecode_rfc3986($split[0]);
$value = isset($split[1]) ? OAuthUtil::urldecode_rfc3986($split[1]) : '';
if (isset($parsed_parameters[$parameter])) {
// We have already recieved parameter(s) with this name, so add to the list
// of parameters with this name
if (is_scalar($parsed_parameters[$parameter])) {
// This is the first duplicate, so transform scalar (string) into an array
// so we can add the duplicates
$parsed_parameters[$parameter] = array($parsed_parameters[$parameter]);
}
$parsed_parameters[$parameter][] = $value;
} else {
$parsed_parameters[$parameter] = $value;
}
}
return $parsed_parameters;
}
public static function build_http_query($params) {
if (!$params) return '';
// Urlencode both keys and values
$keys = OAuthUtil::urlencode_rfc3986(array_keys($params));
$values = OAuthUtil::urlencode_rfc3986(array_values($params));
$params = array_combine($keys, $values);
// Parameters are sorted by name, using lexicographical byte value ordering.
// Ref: Spec: 9.1.1 (1)
uksort($params, 'strcmp');
$pairs = array();
foreach ($params as $parameter => $value) {
if (is_array($value)) {
// If two or more parameters share the same name, they are sorted by their value
// Ref: Spec: 9.1.1 (1)
natsort($value);
foreach ($value as $duplicate_value) {
$pairs[] = $parameter . '=' . $duplicate_value;
}
} else {
$pairs[] = $parameter . '=' . $value;
}
}
// For each parameter, the name is separated from the corresponding value by an '=' character (ASCII code 61)
// Each name-value pair is separated by an '&' character (ASCII code 38)
return implode('&', $pairs);
}
}
?>

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statusnet/library/codebirdsn.php Normal file
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<?php
namespace CodebirdSN;
/**
* A Twitter library in PHP.
*
* @package codebird
* @version 2.4.1
* @author J.M. <me@mynetx.net>
* @copyright 2010-2013 J.M. <me@mynetx.net>
*
* Modified for statusnet by Michael Vogel <heluecht@pirati.ca>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* Define constants
*/
$constants = explode(' ', 'OBJECT ARRAY JSON');
foreach ($constants as $i => $id) {
$id = 'CODEBIRD_RETURNFORMAT_' . $id;
defined($id) or define($id, $i);
}
$constants = array(
'CURLE_SSL_CERTPROBLEM' => 58,
'CURLE_SSL_CACERT' => 60,
'CURLE_SSL_CACERT_BADFILE' => 77,
'CURLE_SSL_CRL_BADFILE' => 82,
'CURLE_SSL_ISSUER_ERROR' => 83
);
foreach ($constants as $id => $i) {
defined($id) or define($id, $i);
}
unset($constants);
unset($i);
unset($id);
/**
* A Twitter library in PHP.
*
* @package codebird
* @subpackage codebird-php
*/
class CodebirdSN
{
/**
* The current singleton instance
*/
private static $_instance = null;
/**
* The OAuth consumer key of your registered app
*/
protected static $_oauth_consumer_key = null;
/**
* The corresponding consumer secret
*/
protected static $_oauth_consumer_secret = null;
/**
* The app-only bearer token. Used to authorize app-only requests
*/
protected static $_oauth_bearer_token = null;
/**
* The API endpoint to use
*/
protected static $_endpoint = 'https://api.twitter.com/1.1/';
/**
* The API endpoint to use for OAuth requests
*/
protected static $_endpoint_oauth = 'https://api.twitter.com/';
/**
* The Request or access token. Used to sign requests
*/
protected $_oauth_token = null;
/**
* The corresponding request or access token secret
*/
protected $_oauth_token_secret = null;
/**
* The format of data to return from API calls
*/
protected $_return_format = CODEBIRD_RETURNFORMAT_OBJECT;
/**
* The file formats that Twitter accepts as image uploads
*/
protected $_supported_media_files = array(IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG);
/**
* The current Codebird version
*/
protected $_version = '2.4.1';
/**
* Returns singleton class instance
* Always use this method unless you're working with multiple authenticated users at once
*
* @return Codebird The instance
*/
public static function getInstance()
{
if (self::$_instance == null) {
self::$_instance = new self;
}
return self::$_instance;
}
/**
* Sets the API endpoint
*
* @param string $api API endpoint
*
* @return void
*/
public static function setAPIEndpoint($api)
{
self::$_endpoint_oauth = $api;
self::$_endpoint = $api;
}
/**
* Sets the OAuth consumer key and secret (App key)
*
* @param string $key OAuth consumer key
* @param string $secret OAuth consumer secret
*
* @return void
*/
public static function setConsumerKey($key, $secret)
{
self::$_oauth_consumer_key = $key;
self::$_oauth_consumer_secret = $secret;
}
/**
* Sets the OAuth2 app-only auth bearer token
*
* @param string $token OAuth2 bearer token
*
* @return void
*/
public static function setBearerToken($token)
{
self::$_oauth_bearer_token = $token;
}
/**
* Gets the current Codebird version
*
* @return string The version number
*/
public function getVersion()
{
return $this->_version;
}
/**
* Sets the OAuth request or access token and secret (User key)
*
* @param string $token OAuth request or access token
* @param string $secret OAuth request or access token secret
*
* @return void
*/
public function setToken($token, $secret)
{
$this->_oauth_token = $token;
$this->_oauth_token_secret = $secret;
}
/**
* Sets the format for API replies
*
* @param int $return_format One of these:
* CODEBIRD_RETURNFORMAT_OBJECT (default)
* CODEBIRD_RETURNFORMAT_ARRAY
*
* @return void
*/
public function setReturnFormat($return_format)
{
$this->_return_format = $return_format;
}
/**
* Main API handler working on any requests you issue
*
* @param string $fn The member function you called
* @param array $params The parameters you sent along
*
* @return mixed The API reply encoded in the set return_format
*/
public function __call($fn, $params)
{
// parse parameters
$apiparams = array();
if (count($params) > 0) {
if (is_array($params[0])) {
$apiparams = $params[0];
} else {
parse_str($params[0], $apiparams);
// remove auto-added slashes if on magic quotes steroids
if (get_magic_quotes_gpc()) {
foreach($apiparams as $key => $value) {
if (is_array($value)) {
$apiparams[$key] = array_map('stripslashes', $value);
} else {
$apiparams[$key] = stripslashes($value);
}
}
}
}
}
// stringify null and boolean parameters
foreach ($apiparams as $key => $value) {
if (! is_scalar($value)) {
continue;
}
if (is_null($value)) {
$apiparams[$key] = 'null';
} elseif (is_bool($value)) {
$apiparams[$key] = $value ? 'true' : 'false';
}
}
$app_only_auth = false;
if (count($params) > 1) {
$app_only_auth = !! $params[1];
}
// map function name to API method
$method = '';
// replace _ by /
$path = explode('_', $fn);
for ($i = 0; $i < count($path); $i++) {
if ($i > 0) {
$method .= '/';
}
$method .= $path[$i];
}
// undo replacement for URL parameters
$url_parameters_with_underscore = array('screen_name');
foreach ($url_parameters_with_underscore as $param) {
$param = strtoupper($param);
$replacement_was = str_replace('_', '/', $param);
$method = str_replace($replacement_was, $param, $method);
}
// replace AA by URL parameters
$method_template = $method;
$match = array();
if (preg_match('/[A-Z_]{2,}/', $method, $match)) {
foreach ($match as $param) {
$param_l = strtolower($param);
$method_template = str_replace($param, ':' . $param_l, $method_template);
if (!isset($apiparams[$param_l])) {
for ($i = 0; $i < 26; $i++) {
$method_template = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method_template);
}
throw new \Exception(
'To call the templated method "' . $method_template
. '", specify the parameter value for "' . $param_l . '".'
);
}
$method = str_replace($param, $apiparams[$param_l], $method);
unset($apiparams[$param_l]);
}
}
// replace A-Z by _a-z
for ($i = 0; $i < 26; $i++) {
$method = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method);
$method_template = str_replace(chr(65 + $i), '_' . chr(97 + $i), $method_template);
}
$httpmethod = $this->_detectMethod($method_template, $apiparams);
$multipart = $this->_detectMultipart($method_template);
return $this->_callApi(
$httpmethod,
$method,
$method_template,
$apiparams,
$multipart,
$app_only_auth
);
}
/**
* Uncommon API methods
*/
/**
* Gets the OAuth authenticate URL for the current request token
*
* @return string The OAuth authenticate URL
*/
public function oauth_authenticate($force_login = NULL, $screen_name = NULL)
{
if ($this->_oauth_token == null) {
throw new \Exception('To get the authenticate URL, the OAuth token must be set.');
}
$url = self::$_endpoint_oauth . 'oauth/authenticate?oauth_token=' . $this->_url($this->_oauth_token);
if ($force_login) {
$url .= "&force_login=1";
}
if ($screen_name) {
$url .= "&screen_name=" . $screen_name;
}
return $url;
}
/**
* Gets the OAuth authorize URL for the current request token
*
* @return string The OAuth authorize URL
*/
public function oauth_authorize($force_login = NULL, $screen_name = NULL)
{
if ($this->_oauth_token == null) {
throw new \Exception('To get the authorize URL, the OAuth token must be set.');
}
$url = self::$_endpoint_oauth . 'oauth/authorize?oauth_token=' . $this->_url($this->_oauth_token);
if ($force_login) {
$url .= "&force_login=1";
}
if ($screen_name) {
$url .= "&screen_name=" . $screen_name;
}
return $url;
}
/**
* Gets the OAuth bearer token
*
* @return string The OAuth bearer token
*/
public function oauth2_token()
{
if (! function_exists('curl_init')) {
throw new \Exception('To make API requests, the PHP curl extension must be available.');
}
if (self::$_oauth_consumer_key == null) {
throw new \Exception('To obtain a bearer token, the consumer key must be set.');
}
$ch = false;
$post_fields = array(
'grant_type' => 'client_credentials'
);
$url = self::$_endpoint_oauth . 'oauth2/token';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
//curl_setopt($ch, CURLOPT_CAINFO, __DIR__ . '/cacert.pem');
curl_setopt($ch, CURLOPT_USERPWD, self::$_oauth_consumer_key . ':' . self::$_oauth_consumer_secret);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Expect:'
));
$reply = curl_exec($ch);
// certificate validation results
//$validation_result = curl_errno($ch);
//if (in_array(
// $validation_result,
// array(
// CURLE_SSL_CERTPROBLEM,
// CURLE_SSL_CACERT,
// CURLE_SSL_CACERT_BADFILE,
// CURLE_SSL_CRL_BADFILE,
// CURLE_SSL_ISSUER_ERROR
// )
// )
//) {
// throw new \Exception('Error ' . $validation_result . ' while validating the Twitter API certificate.');
//}
$httpstatus = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$reply = $this->_parseApiReply('oauth2/token', $reply);
switch ($this->_return_format) {
case CODEBIRD_RETURNFORMAT_ARRAY:
$reply['httpstatus'] = $httpstatus;
if ($httpstatus == 200) {
self::setBearerToken($reply['access_token']);
}
break;
case CODEBIRD_RETURNFORMAT_JSON:
if ($httpstatus == 200) {
$parsed = json_decode($reply);
self::setBearerToken($parsed->access_token);
}
break;
case CODEBIRD_RETURNFORMAT_OBJECT:
$reply->httpstatus = $httpstatus;
if ($httpstatus == 200) {
self::setBearerToken($reply->access_token);
}
break;
}
return $reply;
}
/**
* Signing helpers
*/
/**
* URL-encodes the given data
*
* @param mixed $data
*
* @return mixed The encoded data
*/
private function _url($data)
{
if (is_array($data)) {
return array_map(array(
$this,
'_url'
), $data);
} elseif (is_scalar($data)) {
return str_replace(array(
'+',
'!',
'*',
"'",
'(',
')'
), array(
' ',
'%21',
'%2A',
'%27',
'%28',
'%29'
), rawurlencode($data));
} else {
return '';
}
}
/**
* Gets the base64-encoded SHA1 hash for the given data
*
* @param string $data The data to calculate the hash from
*
* @return string The hash
*/
private function _sha1($data)
{
if (self::$_oauth_consumer_secret == null) {
throw new \Exception('To generate a hash, the consumer secret must be set.');
}
if (!function_exists('hash_hmac')) {
throw new \Exception('To generate a hash, the PHP hash extension must be available.');
}
return base64_encode(hash_hmac('sha1', $data, self::$_oauth_consumer_secret . '&'
. ($this->_oauth_token_secret != null ? $this->_oauth_token_secret : ''), true));
}
/**
* Generates a (hopefully) unique random string
*
* @param int optional $length The length of the string to generate
*
* @return string The random string
*/
protected function _nonce($length = 8)
{
if ($length < 1) {
throw new \Exception('Invalid nonce length.');
}
return substr(md5(microtime(true)), 0, $length);
}
/**
* Generates an OAuth signature
*
* @param string $httpmethod Usually either 'GET' or 'POST' or 'DELETE'
* @param string $method The API method to call
* @param array optional $params The API call parameters, associative
*
* @return string Authorization HTTP header
*/
protected function _sign($httpmethod, $method, $params = array())
{
if (self::$_oauth_consumer_key == null) {
throw new \Exception('To generate a signature, the consumer key must be set.');
}
$sign_params = array(
'consumer_key' => self::$_oauth_consumer_key,
'version' => '1.0',
'timestamp' => time(),
'nonce' => $this->_nonce(),
'signature_method' => 'HMAC-SHA1'
);
$sign_base_params = array();
foreach ($sign_params as $key => $value) {
$sign_base_params['oauth_' . $key] = $this->_url($value);
}
if ($this->_oauth_token != null) {
$sign_base_params['oauth_token'] = $this->_url($this->_oauth_token);
}
$oauth_params = $sign_base_params;
foreach ($params as $key => $value) {
$sign_base_params[$key] = $this->_url($value);
}
ksort($sign_base_params);
$sign_base_string = '';
foreach ($sign_base_params as $key => $value) {
$sign_base_string .= $key . '=' . $value . '&';
}
$sign_base_string = substr($sign_base_string, 0, -1);
$signature = $this->_sha1($httpmethod . '&' . $this->_url($method) . '&' . $this->_url($sign_base_string));
$params = array_merge($oauth_params, array(
'oauth_signature' => $signature
));
ksort($params);
$authorization = 'Authorization: OAuth ';
foreach ($params as $key => $value) {
$authorization .= $key . '="' . $this->_url($value) . '", ';
}
return substr($authorization, 0, -2);
}
/**
* Detects HTTP method to use for API call
*
* @param string $method The API method to call
* @param array $params The parameters to send along
*
* @return string The HTTP method that should be used
*/
protected function _detectMethod($method, $params)
{
// multi-HTTP method endpoints
switch($method) {
case 'account/settings':
$method = count($params) > 0 ? $method . '__post' : $method;
break;
}
$httpmethods = array();
$httpmethods['GET'] = array(
// Timelines
'statuses/mentions_timeline',
'statuses/user_timeline',
'statuses/home_timeline',
'statuses/retweets_of_me',
// Tweets
'statuses/retweets/:id',
'statuses/show/:id',
'statuses/oembed',
// Search
'search/tweets',
// Direct Messages
'direct_messages',
'direct_messages/sent',
'direct_messages/show',
// Friends & Followers
'friendships/no_retweets/ids',
'friends/ids',
'followers/ids',
'friendships/lookup',
'friendships/incoming',
'friendships/outgoing',
'friendships/show',
'friends/list',
'followers/list',
// Users
'account/settings',
'account/verify_credentials',
'blocks/list',
'blocks/ids',
'users/lookup',
'users/show',
'users/search',
'users/contributees',
'users/contributors',
'users/profile_banner',
// Suggested Users
'users/suggestions/:slug',
'users/suggestions',
'users/suggestions/:slug/members',
// Favorites
'favorites/list',
// Lists
'lists/list',
'lists/statuses',
'lists/memberships',
'lists/subscribers',
'lists/subscribers/show',
'lists/members/show',
'lists/members',
'lists/show',
'lists/subscriptions',
// Saved searches
'saved_searches/list',
'saved_searches/show/:id',
// Places & Geo
'geo/id/:place_id',
'geo/reverse_geocode',
'geo/search',
'geo/similar_places',
// Trends
'trends/place',
'trends/available',
'trends/closest',
// OAuth
'oauth/authenticate',
'oauth/authorize',
// Help
'help/configuration',
'help/languages',
'help/privacy',
'help/tos',
'application/rate_limit_status'
);
$httpmethods['POST'] = array(
// Tweets
'statuses/destroy/:id',
'statuses/update',
'statuses/retweet/:id',
'statuses/update_with_media',
// Media resources
'statusnet/media/upload',
// Direct Messages
'direct_messages/destroy',
'direct_messages/new',
// Friends & Followers
'friendships/create',
'friendships/destroy',
'friendships/update',
// Users
'account/settings__post',
'account/update_delivery_device',
'account/update_profile',
'account/update_profile_background_image',
'account/update_profile_colors',
'account/update_profile_image',
'blocks/create',
'blocks/destroy',
'account/update_profile_banner',
'account/remove_profile_banner',
// Favorites
'favorites/destroy',
'favorites/create',
// Lists
'lists/members/destroy',
'lists/subscribers/create',
'lists/subscribers/destroy',
'lists/members/create_all',
'lists/members/create',
'lists/destroy',
'lists/update',
'lists/create',
'lists/members/destroy_all',
// Saved Searches
'saved_searches/create',
'saved_searches/destroy/:id',
// Places & Geo
'geo/place',
// Spam Reporting
'users/report_spam',
// OAuth
'oauth/access_token',
'oauth/request_token',
'oauth2/token',
'oauth2/invalidate_token'
);
foreach ($httpmethods as $httpmethod => $methods) {
if (in_array($method, $methods)) {
return $httpmethod;
}
}
throw new \Exception('Can\'t find HTTP method to use for "' . $method . '".');
}
/**
* Detects if API call should use multipart/form-data
*
* @param string $method The API method to call
*
* @return bool Whether the method should be sent as multipart
*/
protected function _detectMultipart($method)
{
$multiparts = array(
// Tweets
'statuses/update',
'statuses/update_with_media',
// Media ressources
'statusnet/media/upload',
// Users
'account/update_profile_background_image',
'account/update_profile_image',
'account/update_profile_banner'
);
return in_array($method, $multiparts);
}
/**
* Detect filenames in upload parameters,
* build multipart request from upload params
*
* @param string $method The API method to call
* @param array $params The parameters to send along
*
* @return void
*/
protected function _buildMultipart($method, $params)
{
// well, files will only work in multipart methods
if (! $this->_detectMultipart($method)) {
return;
}
// only check specific parameters
$possible_files = array(
// Tweets
'statuses/update' => 'media[]',
'statuses/update_with_media' => 'media[]',
// Accounts
'account/update_profile_background_image' => 'image',
'account/update_profile_image' => 'image',
'account/update_profile_banner' => 'banner'
);
// method might have files?
if (! in_array($method, array_keys($possible_files))) {
return;
}
$possible_files = explode(' ', $possible_files[$method]);
$multipart_border = '--------------------' . $this->_nonce();
$multipart_request = '';
foreach ($params as $key => $value) {
// is it an array?
if (is_array($value)) {
throw new \Exception('Using URL-encoded parameters is not supported for uploading media.');
continue;
}
// check for filenames
if (in_array($key, $possible_files)) {
if (// is it a file, a readable one?
@file_exists($value)
&& @is_readable($value)
// is it a valid image?
&& $data = @getimagesize($value)
) {
if (// is it a supported image format?
in_array($data[2], $this->_supported_media_files)
) {
// try to read the file
ob_start();
readfile($value);
$data = ob_get_contents();
ob_end_clean();
if (strlen($data) == 0) {
continue;
}
$value = $data;
}
}
// To-Do
$tempfile = tempnam(get_temppath(), "mimecheck");
file_put_contents($tempfile, $data);
$mime = image_type_to_mime_type(exif_imagetype($tempfile));
unlink($tempfile);
$filename = "upload";
$parametername = str_replace("[]", "", $key);
$multipart_request .= "--".$multipart_border."\n";
$multipart_request .= "Content-Disposition: form-data; name=\"{$parametername}\"; filename=\"{$filename}\"\n";
$multipart_request .= "Content-Type: ".$mime."\n";
$multipart_request .= "Content-Transfer-Encoding: binary\n\n";
$multipart_request .= $data."\n";
} else {
$multipart_request .=
'--' . $multipart_border . "\r\n"
. 'Content-Disposition: form-data; name="' . $key . '"';
$multipart_request .=
"\r\n\r\n" . $value . "\r\n";
}
}
$multipart_request .= '--' . $multipart_border . '--';
return $multipart_request;
}
/**
* Builds the complete API endpoint url
*
* @param string $method The API method to call
* @param string $method_template The API method template to call
*
* @return string The URL to send the request to
*/
protected function _getEndpoint($method, $method_template)
{
if (substr($method, 0, 5) == 'oauth') {
$url = self::$_endpoint_oauth . $method;
} else {
$url = self::$_endpoint . $method . '.json';
}
return $url;
}
/**
* Calls the API using cURL
*
* @param string $httpmethod The HTTP method to use for making the request
* @param string $method The API method to call
* @param string $method_template The templated API method to call
* @param array optional $params The parameters to send along
* @param bool optional $multipart Whether to use multipart/form-data
* @param bool optional $app_only_auth Whether to use app-only bearer authentication
*
* @return mixed The API reply, encoded in the set return_format
*/
protected function _callApi($httpmethod, $method, $method_template, $params = array(), $multipart = false, $app_only_auth = false)
{
if (! function_exists('curl_init')) {
throw new \Exception('To make API requests, the PHP curl extension must be available.');
}
$url = $this->_getEndpoint($method, $method_template);
$ch = false;
if ($httpmethod == 'GET') {
$url_with_params = $url;
if (count($params) > 0) {
$url_with_params .= '?' . http_build_query($params);
}
$authorization = $this->_sign($httpmethod, $url, $params);
$ch = curl_init($url_with_params);
} else {
if ($multipart) {
$authorization = $this->_sign($httpmethod, $url, array());
$params = $this->_buildMultipart($method_template, $params);
} else {
$authorization = $this->_sign($httpmethod, $url, $params);
$params = http_build_query($params);
}
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
}
if ($app_only_auth) {
if (self::$_oauth_consumer_key == null) {
throw new \Exception('To make an app-only auth API request, the consumer key must be set.');
}
// automatically fetch bearer token, if necessary
if (self::$_oauth_bearer_token == null) {
$this->oauth2_token();
}
$authorization = 'Authorization: Bearer ' . self::$_oauth_bearer_token;
}
$request_headers = array();
if (isset($authorization)) {
$request_headers[] = $authorization;
$request_headers[] = 'Expect:';
}
if ($multipart) {
$first_newline = strpos($params, "\r\n");
$multipart_boundary = substr($params, 2, $first_newline - 2);
$request_headers[] = 'Content-Length: ' . strlen($params);
$request_headers[] = 'Content-Type: multipart/form-data; boundary='
. $multipart_boundary;
}
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, $request_headers);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2);
//curl_setopt($ch, CURLOPT_CAINFO, __DIR__ . '/cacert.pem');
$reply = curl_exec($ch);
// certificate validation results
//$validation_result = curl_errno($ch);
//if (in_array(
// $validation_result,
// array(
// CURLE_SSL_CERTPROBLEM,
// CURLE_SSL_CACERT,
// CURLE_SSL_CACERT_BADFILE,
// CURLE_SSL_CRL_BADFILE,
// CURLE_SSL_ISSUER_ERROR
// )
// )
//) {
// throw new \Exception('Error ' . $validation_result . ' while validating the Twitter API certificate.');
//}
$httpstatus = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$reply = $this->_parseApiReply($method_template, $reply);
if ($this->_return_format == CODEBIRD_RETURNFORMAT_OBJECT) {
$reply->httpstatus = $httpstatus;
} elseif ($this->_return_format == CODEBIRD_RETURNFORMAT_ARRAY) {
$reply['httpstatus'] = $httpstatus;
}
return $reply;
}
/**
* Parses the API reply to encode it in the set return_format
*
* @param string $method The method that has been called
* @param string $reply The actual reply, JSON-encoded or URL-encoded
*
* @return array|object The parsed reply
*/
protected function _parseApiReply($method, $reply)
{
// split headers and body
$headers = array();
$reply = explode("\r\n\r\n", $reply, 4);
// check if using proxy
if (substr($reply[0], 0, 35) === 'HTTP/1.1 200 Connection Established') {
array_shift($reply);
} elseif (count($reply) > 2) {
$headers = array_shift($reply);
$reply = array(
$headers,
implode("\r\n", $reply)
);
}
$headers_array = explode("\r\n", $reply[0]);
foreach ($headers_array as $header) {
$header_array = explode(': ', $header, 2);
$key = $header_array[0];
$value = '';
if (count($header_array) > 1) {
$value = $header_array[1];
}
$headers[$key] = $value;
}
if (count($reply) > 1) {
$reply = $reply[1];
} else {
$reply = '';
}
$need_array = $this->_return_format == CODEBIRD_RETURNFORMAT_ARRAY;
if ($reply == '[]') {
switch ($this->_return_format) {
case CODEBIRD_RETURNFORMAT_ARRAY:
return array();
case CODEBIRD_RETURNFORMAT_JSON:
return '{}';
case CODEBIRD_RETURNFORMAT_OBJECT:
return new \stdClass;
}
}
$parsed = array();
if (! $parsed = json_decode($reply, $need_array)) {
if ($reply) {
if (stripos($reply, '<' . '?xml version="1.0" encoding="UTF-8"?' . '>') === 0) {
// we received XML...
// since this only happens for errors,
// don't perform a full decoding
preg_match('/<request>(.*)<\/request>/', $reply, $request);
preg_match('/<error>(.*)<\/error>/', $reply, $error);
$parsed['request'] = htmlspecialchars_decode($request[1]);
$parsed['error'] = htmlspecialchars_decode($error[1]);
} else {
// assume query format
$reply = explode('&', $reply);
foreach ($reply as $element) {
if (stristr($element, '=')) {
list($key, $value) = explode('=', $element);
$parsed[$key] = $value;
} else {
$parsed['message'] = $element;
}
}
}
}
$reply = json_encode($parsed);
}
switch ($this->_return_format) {
case CODEBIRD_RETURNFORMAT_ARRAY:
return $parsed;
case CODEBIRD_RETURNFORMAT_JSON:
return $reply;
case CODEBIRD_RETURNFORMAT_OBJECT:
return (object) $parsed;
}
return $parsed;
}
}
?>

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<?php
require_once __DIR__ . DIRECTORY_SEPARATOR . 'twitteroauth.php';
/*
* We have to alter the TwitterOAuth class a little bit to work with any GNU Social
* installation abroad. Basically it's only make the API path variable and be happy.
*
* Thank you guys for the Twitter compatible API!
*/
class StatusNetOAuth extends TwitterOAuth
{
function get_maxlength()
{
$config = $this->get($this->host . 'statusnet/config.json');
return $config->site->textlimit;
}
function accessTokenURL()
{
return $this->host . 'oauth/access_token';
}
function authenticateURL()
{
return $this->host . 'oauth/authenticate';
}
function authorizeURL()
{
return $this->host . 'oauth/authorize';
}
function requestTokenURL()
{
return $this->host . 'oauth/request_token';
}
function __construct($apipath, $consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL)
{
parent::__construct($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
$this->host = $apipath;
}
/**
* Make an HTTP request
*
* Copied here from the TwitterOAuth library and complemented by applying the proxy settings of Friendica
*
* @param string $method
* @param string $host
* @param string $path
* @param array $parameters
*
* @return array|object API results
*/
function http($url, $method, $postfields = NULL)
{
$this->http_info = [];
$ci = curl_init();
/* Curl settings */
$prx = Config::get('system', 'proxy');
if (strlen($prx)) {
curl_setopt($ci, CURLOPT_HTTPPROXYTUNNEL, 1);
curl_setopt($ci, CURLOPT_PROXY, $prx);
$prxusr = Config::get('system', 'proxyuser');
if (strlen($prxusr)) {
curl_setopt($ci, CURLOPT_PROXYUSERPWD, $prxusr);
}
}
curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ci, CURLOPT_HTTPHEADER, ['Expect:']);
curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
curl_setopt($ci, CURLOPT_HEADERFUNCTION, [$this, 'getHeader']);
curl_setopt($ci, CURLOPT_HEADER, FALSE);
switch ($method) {
case 'POST':
curl_setopt($ci, CURLOPT_POST, TRUE);
if (!empty($postfields)) {
curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
}
break;
case 'DELETE':
curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
if (!empty($postfields)) {
$url = "{$url}?{$postfields}";
}
}
curl_setopt($ci, CURLOPT_URL, $url);
$response = curl_exec($ci);
$this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
$this->http_info = array_merge($this->http_info, curl_getinfo($ci));
$this->url = $url;
curl_close($ci);
return $response;
}
}

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<?php
/*
* Abraham Williams (abraham@abrah.am) http://abrah.am
*
* The first PHP Library to support OAuth for Twitter's REST API.
*
* Version 0.2.0 kept for compatibility purpose with StatusNetOAuth
*/
/* Load OAuth lib. You can find it at http://oauth.net */
require_once __DIR__ . DIRECTORY_SEPARATOR . 'OAuth1.php';
/**
* Twitter OAuth class
*/
class TwitterOAuth
{
/* Contains the last HTTP status code returned. */
public $http_code;
/* Contains the last API call. */
public $url;
/* Set up the API root URL. */
public $host = "https://api.twitter.com/1.1/";
/* Set timeout default. */
public $timeout = 30;
/* Set connect timeout. */
public $connecttimeout = 30;
/* Verify SSL Cert. */
public $ssl_verifypeer = FALSE;
/* Respons format. */
public $format = 'json';
/* Decode returned json data. */
public $decode_json = TRUE;
/* Contains the last HTTP headers returned. */
public $http_info;
/* Set the useragnet. */
public $useragent = 'TwitterOAuth v0.2.0-beta2';
/* Immediately retry the API call if the response was not successful. */
//public $retry = TRUE;
/**
* Set API URLS
*/
function accessTokenURL()
{
return 'https://api.twitter.com/oauth/access_token';
}
function authenticateURL()
{
return 'https://twitter.com/oauth/authenticate';
}
function authorizeURL()
{
return 'https://twitter.com/oauth/authorize';
}
function requestTokenURL()
{
return 'https://api.twitter.com/oauth/request_token';
}
/**
* Debug helpers
*/
function lastStatusCode()
{
return $this->http_status;
}
function lastAPICall()
{
return $this->last_api_call;
}
/**
* construct TwitterOAuth object
*/
function __construct($consumer_key, $consumer_secret, $oauth_token = NULL, $oauth_token_secret = NULL)
{
$this->sha1_method = new OAuthSignatureMethod_HMAC_SHA1();
$this->consumer = new OAuthConsumer($consumer_key, $consumer_secret);
if (!empty($oauth_token) && !empty($oauth_token_secret)) {
$this->token = new OAuthConsumer($oauth_token, $oauth_token_secret);
} else {
$this->token = NULL;
}
}
/**
* Get a request_token from Twitter
*
* @returns a key/value array containing oauth_token and oauth_token_secret
*/
function getRequestToken($oauth_callback = NULL)
{
$parameters = array();
if (!empty($oauth_callback)) {
$parameters['oauth_callback'] = $oauth_callback;
}
$request = $this->oAuthRequest($this->requestTokenURL(), 'GET', $parameters);
$token = OAuthUtil::parse_parameters($request);
$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
return $token;
}
/**
* Get the authorize URL
*
* @returns a string
*/
function getAuthorizeURL($token, $sign_in_with_twitter = TRUE)
{
if (is_array($token)) {
$token = $token['oauth_token'];
}
if (empty($sign_in_with_twitter)) {
return $this->authorizeURL() . "?oauth_token={$token}";
} else {
return $this->authenticateURL() . "?oauth_token={$token}";
}
}
/**
* Exchange request token and secret for an access token and
* secret, to sign API calls.
*
* @returns array("oauth_token" => "the-access-token",
* "oauth_token_secret" => "the-access-secret",
* "user_id" => "9436992",
* "screen_name" => "abraham")
*/
function getAccessToken($oauth_verifier = FALSE)
{
$parameters = array();
if (!empty($oauth_verifier)) {
$parameters['oauth_verifier'] = $oauth_verifier;
}
$request = $this->oAuthRequest($this->accessTokenURL(), 'GET', $parameters);
$token = OAuthUtil::parse_parameters($request);
$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
return $token;
}
/**
* One time exchange of username and password for access token and secret.
*
* @returns array("oauth_token" => "the-access-token",
* "oauth_token_secret" => "the-access-secret",
* "user_id" => "9436992",
* "screen_name" => "abraham",
* "x_auth_expires" => "0")
*/
function getXAuthToken($username, $password)
{
$parameters = array();
$parameters['x_auth_username'] = $username;
$parameters['x_auth_password'] = $password;
$parameters['x_auth_mode'] = 'client_auth';
$request = $this->oAuthRequest($this->accessTokenURL(), 'POST', $parameters);
$token = OAuthUtil::parse_parameters($request);
$this->token = new OAuthConsumer($token['oauth_token'], $token['oauth_token_secret']);
return $token;
}
/**
* GET wrapper for oAuthRequest.
*/
function get($url, $parameters = array())
{
$response = $this->oAuthRequest($url, 'GET', $parameters);
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* POST wrapper for oAuthRequest.
*/
function post($url, $parameters = array())
{
$response = $this->oAuthRequest($url, 'POST', $parameters);
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* DELETE wrapper for oAuthReqeust.
*/
function delete($url, $parameters = array())
{
$response = $this->oAuthRequest($url, 'DELETE', $parameters);
if ($this->format === 'json' && $this->decode_json) {
return json_decode($response);
}
return $response;
}
/**
* Format and sign an OAuth / API request
*/
function oAuthRequest($url, $method, $parameters)
{
if (strrpos($url, 'https://') !== 0 && strrpos($url, 'http://') !== 0) {
$url = "{$this->host}{$url}.{$this->format}";
}
$request = OAuthRequest::from_consumer_and_token($this->consumer, $this->token, $method, $url, $parameters);
$request->sign_request($this->sha1_method, $this->consumer, $this->token);
switch ($method) {
case 'GET':
return $this->http($request->to_url(), 'GET');
case 'UPLOAD':
return $this->http($request->get_normalized_http_url(), 'POST', $request->to_postdata(true));
default:
return $this->http($request->get_normalized_http_url(), $method, $request->to_postdata());
}
}
/**
* Make an HTTP request
*
* @return API results
*/
function http($url, $method, $postfields = NULL)
{
$this->http_info = array();
$ci = curl_init();
/* Curl settings */
curl_setopt($ci, CURLOPT_USERAGENT, $this->useragent);
curl_setopt($ci, CURLOPT_CONNECTTIMEOUT, $this->connecttimeout);
curl_setopt($ci, CURLOPT_TIMEOUT, $this->timeout);
curl_setopt($ci, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ci, CURLOPT_HTTPHEADER, array('Expect:'));
curl_setopt($ci, CURLOPT_SSL_VERIFYPEER, $this->ssl_verifypeer);
curl_setopt($ci, CURLOPT_HEADERFUNCTION, array($this, 'getHeader'));
curl_setopt($ci, CURLOPT_HEADER, FALSE);
switch ($method) {
case 'POST':
curl_setopt($ci, CURLOPT_POST, TRUE);
if (!empty($postfields)) {
curl_setopt($ci, CURLOPT_POSTFIELDS, $postfields);
}
break;
case 'DELETE':
curl_setopt($ci, CURLOPT_CUSTOMREQUEST, 'DELETE');
if (!empty($postfields)) {
$url = "{$url}?{$postfields}";
}
}
curl_setopt($ci, CURLOPT_URL, $url);
$response = curl_exec($ci);
$this->http_code = curl_getinfo($ci, CURLINFO_HTTP_CODE);
$this->http_info = array_merge($this->http_info, curl_getinfo($ci));
$this->url = $url;
curl_close($ci);
return $response;
}
/**
* Get the header info to store.
*/
function getHeader($ch, $header)
{
$i = strpos($header, ':');
if (!empty($i)) {
$key = str_replace('-', '_', strtolower(substr($header, 0, $i)));
$value = trim(substr($header, $i + 2));
$this->http_header[$key] = $value;
}
return strlen($header);
}
}