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-rw-r--r--extlib/OAuth.php135
1 files changed, 75 insertions, 60 deletions
diff --git a/extlib/OAuth.php b/extlib/OAuth.php
index 6dc6b3f35..029166175 100644
--- a/extlib/OAuth.php
+++ b/extlib/OAuth.php
@@ -16,6 +16,10 @@ class OAuthConsumer {/*{{{*/
$this->secret = $secret;
$this->callback_url = $callback_url;
}/*}}}*/
+
+ function __toString() {/*{{{*/
+ return "OAuthConsumer[key=$this->key,secret=$this->secret]";
+ }/*}}}*/
}/*}}}*/
class OAuthToken {/*{{{*/
@@ -37,8 +41,8 @@ class OAuthToken {/*{{{*/
* would respond to request_token and access_token calls with
*/
function to_string() {/*{{{*/
- return "oauth_token=" . OAuthUtil::urlencodeRFC3986($this->key) .
- "&oauth_token_secret=" . OAuthUtil::urlencodeRFC3986($this->secret);
+ return "oauth_token=" . OAuthUtil::urlencode_rfc3986($this->key) .
+ "&oauth_token_secret=" . OAuthUtil::urlencode_rfc3986($this->secret);
}/*}}}*/
function __toString() {/*{{{*/
@@ -67,7 +71,7 @@ class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {/*{{{*/
($token) ? $token->secret : ""
);
- $key_parts = array_map(array('OAuthUtil','urlencodeRFC3986'), $key_parts);
+ $key_parts = OAuthUtil::urlencode_rfc3986($key_parts);
$key = implode('&', $key_parts);
return base64_encode( hash_hmac('sha1', $base_string, $key, true));
@@ -81,11 +85,11 @@ class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod {/*{{{*/
public function build_signature($request, $consumer, $token) {/*{{{*/
$sig = array(
- OAuthUtil::urlencodeRFC3986($consumer->secret)
+ OAuthUtil::urlencode_rfc3986($consumer->secret)
);
if ($token) {
- array_push($sig, OAuthUtil::urlencodeRFC3986($token->secret));
+ array_push($sig, OAuthUtil::urlencode_rfc3986($token->secret));
} else {
array_push($sig, '');
}
@@ -94,7 +98,7 @@ class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod {/*{{{*/
// for debug purposes
$request->base_string = $raw;
- return OAuthUtil::urlencodeRFC3986($raw);
+ return OAuthUtil::urlencode_rfc3986($raw);
}/*}}}*/
}/*}}}*/
@@ -182,7 +186,7 @@ class OAuthRequest {/*{{{*/
*/
public static function from_request($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'] . $_SERVER['REQUEST_URI'];
+ @$http_url or $http_url = $scheme . '://' . $_SERVER['HTTP_HOST'] . ':' . $_SERVER['SERVER_PORT'] . $_SERVER['REQUEST_URI'];
@$http_method or $http_method = $_SERVER['REQUEST_METHOD'];
$request_headers = OAuthRequest::get_headers();
@@ -192,27 +196,23 @@ class OAuthRequest {/*{{{*/
// do this
if ($parameters) {
$req = new OAuthRequest($http_method, $http_url, $parameters);
+ } else {
+ // collect request parameters from query string (GET) and post-data (POST) if appropriate (note: POST vars have priority)
+ $req_parameters = $_GET;
+ if ($http_method == "POST" && @strstr($request_headers["Content-Type"], "application/x-www-form-urlencoded") ) {
+ $req_parameters = array_merge($req_parameters, $_POST);
+ }
+
+ // next check for the auth header, we need to do some extra stuff
+ // if that is the case, namely suck in the parameters from GET or POST
+ // so that we can include them in the signature
+ if (@substr($request_headers['Authorization'], 0, 6) == "OAuth ") {
+ $header_parameters = OAuthRequest::split_header($request_headers['Authorization']);
+ $parameters = array_merge($req_parameters, $header_parameters);
+ $req = new OAuthRequest($http_method, $http_url, $parameters);
+ } else $req = new OAuthRequest($http_method, $http_url, $req_parameters);
}
- // next check for the auth header, we need to do some extra stuff
- // if that is the case, namely suck in the parameters from GET or POST
- // so that we can include them in the signature
- else if (@substr($request_headers['Authorization'], 0, 5) == "OAuth") {
- $header_parameters = OAuthRequest::split_header($request_headers['Authorization']);
- if ($http_method == "GET") {
- $req_parameters = $_GET;
- }
- else if ($http_method == "POST") {
- $req_parameters = $_POST;
- }
- $parameters = array_merge($header_parameters, $req_parameters);
- $req = new OAuthRequest($http_method, $http_url, $parameters);
- }
- else if ($http_method == "GET") {
- $req = new OAuthRequest($http_method, $http_url, $_GET);
- }
- else if ($http_method == "POST") {
- $req = new OAuthRequest($http_method, $http_url, $_POST);
- }
+
return $req;
}/*}}}*/
@@ -238,7 +238,7 @@ class OAuthRequest {/*{{{*/
}/*}}}*/
public function get_parameter($name) {/*{{{*/
- return $this->parameters[$name];
+ return isset($this->parameters[$name]) ? $this->parameters[$name] : null;
}/*}}}*/
public function get_parameters() {/*{{{*/
@@ -267,12 +267,12 @@ class OAuthRequest {/*{{{*/
}
// Urlencode both keys and values
- $keys = array_map(array('OAuthUtil', 'urlencodeRFC3986'), array_keys($params));
- $values = array_map(array('OAuthUtil', 'urlencodeRFC3986'), array_values($params));
+ $keys = OAuthUtil::urlencode_rfc3986(array_keys($params));
+ $values = OAuthUtil::urlencode_rfc3986(array_values($params));
$params = array_combine($keys, $values);
// Sort by keys (natsort)
- uksort($params, 'strnatcmp');
+ uksort($params, 'strcmp');
// Generate key=value pairs
$pairs = array();
@@ -307,7 +307,7 @@ class OAuthRequest {/*{{{*/
$this->get_signable_parameters()
);
- $parts = array_map(array('OAuthUtil', 'urlencodeRFC3986'), $parts);
+ $parts = OAuthUtil::urlencode_rfc3986($parts);
return implode('&', $parts);
}/*}}}*/
@@ -351,11 +351,21 @@ class OAuthRequest {/*{{{*/
/**
* builds the data one would send in a POST request
+ *
+ * TODO(morten.fangel):
+ * this function might be easily replaced with http_build_query()
+ * and corrections for rfc3986 compatibility.. but not sure
*/
public function to_postdata() {/*{{{*/
$total = array();
foreach ($this->parameters as $k => $v) {
- $total[] = OAuthUtil::urlencodeRFC3986($k) . "=" . OAuthUtil::urlencodeRFC3986($v);
+ if (is_array($v)) {
+ foreach ($v as $va) {
+ $total[] = OAuthUtil::urlencode_rfc3986($k) . "[]=" . OAuthUtil::urlencode_rfc3986($va);
+ }
+ } else {
+ $total[] = OAuthUtil::urlencode_rfc3986($k) . "=" . OAuthUtil::urlencode_rfc3986($v);
+ }
}
$out = implode("&", $total);
return $out;
@@ -364,12 +374,13 @@ class OAuthRequest {/*{{{*/
/**
* builds the Authorization: header
*/
- public function to_header($realm="") {/*{{{*/
- $out ='"Authorization: OAuth realm="' . $realm . '",';
+ public function to_header() {/*{{{*/
+ $out ='Authorization: OAuth realm=""';
$total = array();
foreach ($this->parameters as $k => $v) {
if (substr($k, 0, 5) != "oauth") continue;
- $out .= ',' . OAuthUtil::urlencodeRFC3986($k) . '="' . OAuthUtil::urlencodeRFC3986($v) . '"';
+ if (is_array($v)) throw new OAuthException('Arrays not supported in headers');
+ $out .= ',' . OAuthUtil::urlencode_rfc3986($k) . '="' . OAuthUtil::urlencode_rfc3986($v) . '"';
}
return $out;
}/*}}}*/
@@ -412,24 +423,22 @@ class OAuthRequest {/*{{{*/
* parameters, has to do some unescaping
*/
private static function split_header($header) {/*{{{*/
- // remove 'OAuth ' at the start of a header
- $header = substr($header, 6);
-
- // error cases: commas in parameter values?
- $parts = explode(",", $header);
- $out = array();
- foreach ($parts as $param) {
- $param = ltrim($param);
- // skip the "realm" param, nobody ever uses it anyway
- if (substr($param, 0, 5) != "oauth") continue;
-
- $param_parts = explode("=", $param);
-
- // rawurldecode() used because urldecode() will turn a "+" in the
- // value into a space
- $out[$param_parts[0]] = rawurldecode(substr($param_parts[1], 1, -1));
+ $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];
+ $params[$header_name] = OAuthUtil::urldecode_rfc3986( $header_content );
+ $offset = $match[1] + strlen($match[0]);
}
- return $out;
+
+ if (isset($params['realm'])) {
+ unset($params['realm']);
+ }
+
+ return $params;
}/*}}}*/
/**
@@ -506,6 +515,7 @@ class OAuthServer {/*{{{*/
// requires authorized request token
$token = $this->get_token($request, $consumer, "request");
+
$this->check_signature($request, $consumer, $token);
$new_token = $this->data_store->new_access_token($token, $consumer);
@@ -654,11 +664,11 @@ class OAuthDataStore {/*{{{*/
// implement me
}/*}}}*/
- function fetch_request_token($consumer) {/*{{{*/
+ function new_request_token($consumer) {/*{{{*/
// return a new token attached to this consumer
}/*}}}*/
- function fetch_access_token($token, $consumer) {/*{{{*/
+ function new_access_token($token, $consumer) {/*{{{*/
// return a new access token attached to this consumer
// for the user associated with this token if the request token
// is authorized
@@ -737,17 +747,22 @@ class SimpleOAuthDataStore extends OAuthDataStore {/*{{{*/
}/*}}}*/
class OAuthUtil {/*{{{*/
- public static function urlencodeRFC3986($string) {/*{{{*/
- return str_replace('+', ' ',
- str_replace('%7E', '~', rawurlencode($string)));
-
+ public static function urlencode_rfc3986($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($input)));
+ } else {
+ return '';
+ }
}/*}}}*/
// This decode function isn't taking into consideration the above
// modifications to the encoding process. However, this method doesn't
// seem to be used anywhere so leaving it as is.
- public static function urldecodeRFC3986($string) {/*{{{*/
+ public static function urldecode_rfc3986($string) {/*{{{*/
return rawurldecode($string);
}/*}}}*/
}/*}}}*/