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Diffstat (limited to 'vendors/simpletest/authentication.php')
| -rw-r--r-- | vendors/simpletest/authentication.php | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/vendors/simpletest/authentication.php b/vendors/simpletest/authentication.php new file mode 100644 index 000000000..c56d11bbb --- /dev/null +++ b/vendors/simpletest/authentication.php @@ -0,0 +1,238 @@ +<?php +/** + * Base include file for SimpleTest + * @package SimpleTest + * @subpackage WebTester + * @version $Id: authentication.php 1720 2008-04-07 02:32:43Z lastcraft $ + */ +/** + * include http class + */ +require_once(dirname(__FILE__) . '/http.php'); + +/** + * Represents a single security realm's identity. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleRealm { + var $_type; + var $_root; + var $_username; + var $_password; + + /** + * Starts with the initial entry directory. + * @param string $type Authentication type for this + * realm. Only Basic authentication + * is currently supported. + * @param SimpleUrl $url Somewhere in realm. + * @access public + */ + function SimpleRealm($type, $url) { + $this->_type = $type; + $this->_root = $url->getBasePath(); + $this->_username = false; + $this->_password = false; + } + + /** + * Adds another location to the realm. + * @param SimpleUrl $url Somewhere in realm. + * @access public + */ + function stretch($url) { + $this->_root = $this->_getCommonPath($this->_root, $url->getPath()); + } + + /** + * Finds the common starting path. + * @param string $first Path to compare. + * @param string $second Path to compare. + * @return string Common directories. + * @access private + */ + function _getCommonPath($first, $second) { + $first = explode('/', $first); + $second = explode('/', $second); + for ($i = 0; $i < min(count($first), count($second)); $i++) { + if ($first[$i] != $second[$i]) { + return implode('/', array_slice($first, 0, $i)) . '/'; + } + } + return implode('/', $first) . '/'; + } + + /** + * Sets the identity to try within this realm. + * @param string $username Username in authentication dialog. + * @param string $username Password in authentication dialog. + * @access public + */ + function setIdentity($username, $password) { + $this->_username = $username; + $this->_password = $password; + } + + /** + * Accessor for current identity. + * @return string Last succesful username. + * @access public + */ + function getUsername() { + return $this->_username; + } + + /** + * Accessor for current identity. + * @return string Last succesful password. + * @access public + */ + function getPassword() { + return $this->_password; + } + + /** + * Test to see if the URL is within the directory + * tree of the realm. + * @param SimpleUrl $url URL to test. + * @return boolean True if subpath. + * @access public + */ + function isWithin($url) { + if ($this->_isIn($this->_root, $url->getBasePath())) { + return true; + } + if ($this->_isIn($this->_root, $url->getBasePath() . $url->getPage() . '/')) { + return true; + } + return false; + } + + /** + * Tests to see if one string is a substring of + * another. + * @param string $part Small bit. + * @param string $whole Big bit. + * @return boolean True if the small bit is + * in the big bit. + * @access private + */ + function _isIn($part, $whole) { + return strpos($whole, $part) === 0; + } +} + +/** + * Manages security realms. + * @package SimpleTest + * @subpackage WebTester + */ +class SimpleAuthenticator { + var $_realms; + + /** + * Clears the realms. + * @access public + */ + function SimpleAuthenticator() { + $this->restartSession(); + } + + /** + * Starts with no realms set up. + * @access public + */ + function restartSession() { + $this->_realms = array(); + } + + /** + * Adds a new realm centered the current URL. + * Browsers vary wildly on their behaviour in this + * regard. Mozilla ignores the realm and presents + * only when challenged, wasting bandwidth. IE + * just carries on presenting until a new challenge + * occours. SimpleTest tries to follow the spirit of + * the original standards committee and treats the + * base URL as the root of a file tree shaped realm. + * @param SimpleUrl $url Base of realm. + * @param string $type Authentication type for this + * realm. Only Basic authentication + * is currently supported. + * @param string $realm Name of realm. + * @access public + */ + function addRealm($url, $type, $realm) { + $this->_realms[$url->getHost()][$realm] = new SimpleRealm($type, $url); + } + + /** + * Sets the current identity to be presented + * against that realm. + * @param string $host Server hosting realm. + * @param string $realm Name of realm. + * @param string $username Username for realm. + * @param string $password Password for realm. + * @access public + */ + function setIdentityForRealm($host, $realm, $username, $password) { + if (isset($this->_realms[$host][$realm])) { + $this->_realms[$host][$realm]->setIdentity($username, $password); + } + } + + /** + * Finds the name of the realm by comparing URLs. + * @param SimpleUrl $url URL to test. + * @return SimpleRealm Name of realm. + * @access private + */ + function _findRealmFromUrl($url) { + if (! isset($this->_realms[$url->getHost()])) { + return false; + } + foreach ($this->_realms[$url->getHost()] as $name => $realm) { + if ($realm->isWithin($url)) { + return $realm; + } + } + return false; + } + + /** + * Presents the appropriate headers for this location. + * @param SimpleHttpRequest $request Request to modify. + * @param SimpleUrl $url Base of realm. + * @access public + */ + function addHeaders(&$request, $url) { + if ($url->getUsername() && $url->getPassword()) { + $username = $url->getUsername(); + $password = $url->getPassword(); + } elseif ($realm = $this->_findRealmFromUrl($url)) { + $username = $realm->getUsername(); + $password = $realm->getPassword(); + } else { + return; + } + $this->addBasicHeaders($request, $username, $password); + } + + /** + * Presents the appropriate headers for this + * location for basic authentication. + * @param SimpleHttpRequest $request Request to modify. + * @param string $username Username for realm. + * @param string $password Password for realm. + * @access public + * @static + */ + function addBasicHeaders(&$request, $username, $password) { + if ($username && $password) { + $request->addHeaderLine( + 'Authorization: Basic ' . base64_encode("$username:$password")); + } + } +} +?>
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