Remove _darcs from git repository

Not sure how or why this got in there.

1 files changed, 0 insertions, 755 deletions

diff --git a/_darcs/pristine/extlib/OAuth.php b/_darcs/pristine/extlib/OAuth.php
deleted file mode 100644
index 6dc6b3f35..000000000
--- a/_darcs/pristine/extlib/OAuth.php
+++ /dev/null
@@ -1,755 +0,0 @@
-<?php
-// vim: foldmethod=marker
-
-/* Generic exception class
- */
-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;
-  }/*}}}*/
-}/*}}}*/
-
-class OAuthToken {/*{{{*/
-  // access tokens and request tokens
-  public $key;
-  public $secret;
-
-  /**
-   * key = the token
-   * secret = the token secret
-   */
-  function __construct($key, $secret) {/*{{{*/
-    $this->key = $key;
-    $this->secret = $secret;
-  }/*}}}*/
-
-  /**
-   * generates the basic string serialization of a token that a server
-   * would respond to request_token and access_token calls with
-   */
-  function to_string() {/*{{{*/
-    return "oauth_token=" . OAuthUtil::urlencodeRFC3986($this->key) . 
-        "&oauth_token_secret=" . OAuthUtil::urlencodeRFC3986($this->secret);
-  }/*}}}*/
-
-  function __toString() {/*{{{*/
-    return $this->to_string();
-  }/*}}}*/
-}/*}}}*/
-
-class OAuthSignatureMethod {/*{{{*/
-  public function check_signature(&$request, $consumer, $token, $signature) {
-    $built = $this->build_signature($request, $consumer, $token);
-    return $built == $signature;
-  }
-}/*}}}*/
-
-class OAuthSignatureMethod_HMAC_SHA1 extends OAuthSignatureMethod {/*{{{*/
-  function get_name() {/*{{{*/
-    return "HMAC-SHA1";
-  }/*}}}*/
-
-  public function build_signature($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 = array_map(array('OAuthUtil','urlencodeRFC3986'), $key_parts);
-    $key = implode('&', $key_parts);
-
-    return base64_encode( hash_hmac('sha1', $base_string, $key, true));
-  }/*}}}*/
-}/*}}}*/
-
-class OAuthSignatureMethod_PLAINTEXT extends OAuthSignatureMethod {/*{{{*/
-  public function get_name() {/*{{{*/
-    return "PLAINTEXT";
-  }/*}}}*/
-
-  public function build_signature($request, $consumer, $token) {/*{{{*/
-    $sig = array(
-      OAuthUtil::urlencodeRFC3986($consumer->secret)
-    );
-
-    if ($token) {
-      array_push($sig, OAuthUtil::urlencodeRFC3986($token->secret));
-    } else {
-      array_push($sig, '');
-    }
-
-    $raw = implode("&", $sig);
-    // for debug purposes
-    $request->base_string = $raw;
-
-    return OAuthUtil::urlencodeRFC3986($raw);
-  }/*}}}*/
-}/*}}}*/
-
-class OAuthSignatureMethod_RSA_SHA1 extends OAuthSignatureMethod {/*{{{*/
-  public function get_name() {/*{{{*/
-    return "RSA-SHA1";
-  }/*}}}*/
-
-  protected function fetch_public_cert(&$request) {/*{{{*/
-    // not implemented yet, ideas are:
-    // (1) do a lookup in a table of trusted certs keyed off of consumer
-    // (2) fetch via http using a url provided by the requester
-    // (3) some sort of specific discovery code based on request
-    //
-    // either way should return a string representation of the certificate
-    throw Exception("fetch_public_cert not implemented");
-  }/*}}}*/
-
-  protected function fetch_private_cert(&$request) {/*{{{*/
-    // not implemented yet, 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
-    throw Exception("fetch_private_cert not implemented");
-  }/*}}}*/
-
-  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 $version = '1.0';
-
-  function __construct($http_method, $http_url, $parameters=NULL) {/*{{{*/
-    @$parameters or $parameters = array();
-    $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'] . $_SERVER['REQUEST_URI'];
-    @$http_method or $http_method = $_SERVER['REQUEST_METHOD'];
-    
-    $request_headers = OAuthRequest::get_headers();
-
-    // let the library user override things however they'd like, if they know
-    // which parameters to use then go for it, for example XMLRPC might want to
-    // do this
-    if ($parameters) {
-      $req = new OAuthRequest($http_method, $http_url, $parameters);
-    }
-    // next check for the auth header, we need to do some extra stuff
-    // if that is the case, namely suck in the parameters from GET or POST
-    // so that we can include them in the signature
-    else if (@substr($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 $req;
-  }/*}}}*/
-
-  /**
-   * pretty much a helper function to set up the request
-   */
-  public static function from_consumer_and_token($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);
-    $parameters = array_merge($defaults, $parameters);
-
-    if ($token) {
-      $parameters['oauth_token'] = $token->key;
-    }
-    return new OAuthRequest($http_method, $http_url, $parameters);
-  }/*}}}*/
-
-  public function set_parameter($name, $value) {/*{{{*/
-    $this->parameters[$name] = $value;
-  }/*}}}*/
-
-  public function get_parameter($name) {/*{{{*/
-    return $this->parameters[$name];
-  }/*}}}*/
-
-  public function get_parameters() {/*{{{*/
-    return $this->parameters;
-  }/*}}}*/
-
-  /**
-   * Returns the normalized parameters of the request
-   * 
-   * This will be all (except oauth_signature) parameters,
-   * sorted first by key, and if duplicate keys, then by
-   * value.
-   *
-   * The returned string will be all the key=value pairs
-   * concated by &.
-   * 
-   * @return string
-   */
-  public function get_signable_parameters() {/*{{{*/
-    // Grab all parameters
-    $params = $this->parameters;
-		
-    // Remove oauth_signature if present
-    if (isset($params['oauth_signature'])) {
-      unset($params['oauth_signature']);
-    }
-		
-    // Urlencode both keys and values
-    $keys = array_map(array('OAuthUtil', 'urlencodeRFC3986'), array_keys($params));
-    $values = array_map(array('OAuthUtil', 'urlencodeRFC3986'), array_values($params));
-    $params = array_combine($keys, $values);
-
-    // Sort by keys (natsort)
-    uksort($params, 'strnatcmp');
-
-    // Generate key=value pairs
-    $pairs = array();
-    foreach ($params as $key=>$value ) {
-      if (is_array($value)) {
-        // If the value is an array, it's because there are multiple 
-        // with the same key, sort them, then add all the pairs
-        natsort($value);
-        foreach ($value as $v2) {
-          $pairs[] = $key . '=' . $v2;
-        }
-      } else {
-        $pairs[] = $key . '=' . $value;
-      }
-    }
-		
-    // Return the pairs, concated with &
-    return implode('&', $pairs);
-  }/*}}}*/
-
-  /**
-   * 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 = array_map(array('OAuthUtil', 'urlencodeRFC3986'), $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() {/*{{{*/
-    $out = $this->get_normalized_http_url() . "?";
-    $out .= $this->to_postdata();
-    return $out;
-  }/*}}}*/
-
-  /**
-   * builds the data one would send in a POST request
-   */
-  public function to_postdata() {/*{{{*/
-    $total = array();
-    foreach ($this->parameters as $k => $v) {
-      $total[] = OAuthUtil::urlencodeRFC3986($k) . "=" . OAuthUtil::urlencodeRFC3986($v);
-    }
-    $out = implode("&", $total);
-    return $out;
-  }/*}}}*/
-
-  /**
-   * builds the Authorization: header
-   */
-  public function to_header($realm="") {/*{{{*/
-    $out ='"Authorization: OAuth realm="' . $realm . '",';
-    $total = array();
-    foreach ($this->parameters as $k => $v) {
-      if (substr($k, 0, 5) != "oauth") continue;
-      $out .= ',' . OAuthUtil::urlencodeRFC3986($k) . '="' . OAuthUtil::urlencodeRFC3986($v) . '"';
-    }
-    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());
-    $signature = $this->build_signature($signature_method, $consumer, $token);
-    $this->set_parameter("oauth_signature", $signature);
-  }/*}}}*/
-
-  public function build_signature($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 . $rand); // md5s look nicer than numbers
-  }/*}}}*/
-
-  /**
-   * util function for turning the Authorization: header into
-   * parameters, has to do some unescaping
-   */
-  private static function split_header($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));
-    }
-    return $out;
-  }/*}}}*/
-
-  /**
-   * helper to try to sort out headers for people who aren't running apache
-   */
-  private 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
-      return apache_request_headers();
-    }
-    // otherwise we don't have apache and are just going to have to hope
-    // that $_SERVER actually contains what we need
-    $out = array();
-    foreach ($_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;
-  }/*}}}*/
-}/*}}}*/
-
-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);
-
-    $new_token = $this->data_store->new_request_token($consumer);
-
-    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);
-
-    $new_token = $this->data_store->new_access_token($token, $consumer);
-
-    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);
-    $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) {
-      $version = 1.0;
-    }
-    if ($version && $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) {
-      $signature_method = "PLAINTEXT";
-    }
-    if (!in_array($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) {/*{{{*/
-    // verify that timestamp is recentish
-    $now = time();
-    if ($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) {/*{{{*/
-    // 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, $timestamp) {/*{{{*/
-    // implement me
-  }/*}}}*/
-
-  function fetch_request_token($consumer) {/*{{{*/
-    // return a new token attached to this consumer
-  }/*}}}*/
-
-  function fetch_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
-    // should also invalidate the request token
-  }/*}}}*/
-
-}/*}}}*/
-
-
-/*  A very naive dbm-based oauth storage
- */
-class SimpleOAuthDataStore extends OAuthDataStore {/*{{{*/
-  private $dbh;
-
-  function __construct($path = "oauth.gdbm") {/*{{{*/
-    $this->dbh = dba_popen($path, 'c', 'gdbm');
-  }/*}}}*/
-
-  function __destruct() {/*{{{*/
-    dba_close($this->dbh);
-  }/*}}}*/
-
-  function lookup_consumer($consumer_key) {/*{{{*/
-    $rv = dba_fetch("consumer_$consumer_key", $this->dbh);
-    if ($rv === FALSE) {
-      return NULL;
-    }
-    $obj = unserialize($rv);
-    if (!($obj instanceof OAuthConsumer)) {
-      return NULL;
-    }
-    return $obj;
-  }/*}}}*/
-
-  function lookup_token($consumer, $token_type, $token) {/*{{{*/
-    $rv = dba_fetch("${token_type}_${token}", $this->dbh);
-    if ($rv === FALSE) {
-      return NULL;
-    }
-    $obj = unserialize($rv);
-    if (!($obj instanceof OAuthToken)) {
-      return NULL;
-    }
-    return $obj;
-  }/*}}}*/
-
-  function lookup_nonce($consumer, $token, $nonce, $timestamp) {/*{{{*/
-    if (dba_exists("nonce_$nonce", $this->dbh)) {
-      return TRUE;
-    } else {
-      dba_insert("nonce_$nonce", "1", $this->dbh);
-      return FALSE;
-    }
-  }/*}}}*/
-
-  function new_token($consumer, $type="request") {/*{{{*/
-    $key = md5(time());
-    $secret = time() + time();
-    $token = new OAuthToken($key, md5(md5($secret)));
-    if (!dba_insert("${type}_$key", serialize($token), $this->dbh)) {
-      throw new OAuthException("doooom!");
-    }
-    return $token;
-  }/*}}}*/
-
-  function new_request_token($consumer) {/*{{{*/
-    return $this->new_token($consumer, "request");
-  }/*}}}*/
-
-  function new_access_token($token, $consumer) {/*{{{*/
-
-    $token = $this->new_token($consumer, 'access');
-    dba_delete("request_" . $token->key, $this->dbh);
-    return $token;
-  }/*}}}*/
-}/*}}}*/
-
-class OAuthUtil {/*{{{*/
-  public static function urlencodeRFC3986($string) {/*{{{*/
-    return str_replace('+', ' ',
-                       str_replace('%7E', '~', rawurlencode($string)));
-    
-  }/*}}}*/
-    
-
-  // This decode function isn't taking into consideration the above 
-  // modifications to the encoding process. However, this method doesn't 
-  // seem to be used anywhere so leaving it as is.
-  public static function urldecodeRFC3986($string) {/*{{{*/
-    return rawurldecode($string);
-  }/*}}}*/
-}/*}}}*/
-
-?>