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Edit File: PlainText.php

<?php

namespace Eher\OAuth;

/**
 * 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 PlainText extends SignatureMethod {
  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
   * Request handles this!
   */
  public function build_signature($request, $consumer, $token) {
    $key_parts = array(
      $consumer->secret,
      ($token) ? $token->secret : ""
    );

$key_parts = Util::urlencode_rfc3986($key_parts);
    $key = implode('&', $key_parts);
    $request->base_string = $key;

return $key;
  }
}

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