Auth_OpenID_NamespaceMap Class Reference

Collaboration diagram for Auth_OpenID_NamespaceMap:

Public Member Functions
	Auth_OpenID_NamespaceMap ()
	getAlias ($namespace_uri)
	getNamespaceURI ($alias)
	iterNamespaceURIs ()
	iterAliases ()
	iteritems ()
	isImplicit ($namespace_uri)
	addAlias ($namespace_uri, $desired_alias, $implicit=false)
	add ($namespace_uri)
	contains ($namespace_uri)
	isDefined ($namespace_uri)

Detailed Description

Definition at line 275 of file Message.php.

Member Function Documentation

Auth_OpenID_NamespaceMap::add

(

$namespace_uri

)

Definition at line 370 of file Message.php.

References addAlias().

    {
        // Add this namespace URI to the mapping, without caring what
        // alias it ends up with

        // See if this namespace is already mapped to an alias
        $alias = $this->namespace_to_alias->get($namespace_uri);

        if ($alias !== null) {
            return $alias;
        }

        // Fall back to generating a numerical alias
        $i = 0;
        while (1) {
            $alias = 'ext' . strval($i);
            if ($this->addAlias($namespace_uri, $alias) === null) {
                $i += 1;
            } else {
                return $alias;
            }
        }

        // Should NEVER be reached!
        return null;

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Auth_OpenID_NamespaceMap::addAlias	(		$namespace_uri,
			$desired_alias,
			$implicit = false
	)

Definition at line 315 of file Message.php.

References $Auth_OpenID_OPENID_PROTOCOL_FIELDS, Auth_OpenID_NULL_NAMESPACE, and Auth_OpenID\log().

Referenced by add().

    {
        // Add an alias from this namespace URI to the desired alias
        global $Auth_OpenID_OPENID_PROTOCOL_FIELDS;

        // Check that desired_alias is not an openid protocol field as
        // per the spec.
        if (in_array($desired_alias, $Auth_OpenID_OPENID_PROTOCOL_FIELDS)) {
            Auth_OpenID::log("\"%s\" is not an allowed namespace alias",
                            $desired_alias);
            return null;
        }

        // Check that desired_alias does not contain a period as per
        // the spec.
        if (strpos($desired_alias, '.') !== false) {
            Auth_OpenID::log('"%s" must not contain a dot', $desired_alias);
            return null;
        }

        // Check that there is not a namespace already defined for the
        // desired alias
        $current_namespace_uri =
            $this->alias_to_namespace->get($desired_alias);

        if (($current_namespace_uri !== null) &&
            ($current_namespace_uri != $namespace_uri)) {
            Auth_OpenID::log('Cannot map "%s" because previous mapping exists',
                            $namespace_uri);
            return null;
        }

        // Check that there is not already a (different) alias for
        // this namespace URI
        $alias = $this->namespace_to_alias->get($namespace_uri);

        if (($alias !== null) && ($alias != $desired_alias)) {
            Auth_OpenID::log('Cannot map %s to alias %s. ' .
                            'It is already mapped to alias %s',
                            $namespace_uri, $desired_alias, $alias);
            return null;
        }

        assert((Auth_OpenID_NULL_NAMESPACE === $desired_alias) ||
               is_string($desired_alias));

        $this->alias_to_namespace->set($desired_alias, $namespace_uri);
        $this->namespace_to_alias->set($namespace_uri, $desired_alias);
        if ($implicit) {
            array_push($this->implicit_namespaces, $namespace_uri);
        }

        return $desired_alias;

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Auth_OpenID_NamespaceMap::Auth_OpenID_NamespaceMap

(

)

Definition at line 276 of file Message.php.

References Auth_OpenID_NamespaceMap().

Referenced by Auth_OpenID_NamespaceMap().

                               {
    function Auth_OpenID_NamespaceMap()
    {
        $this->alias_to_namespace = new Auth_OpenID_Mapping();
        $this->namespace_to_alias = new Auth_OpenID_Mapping();
        $this->implicit_namespaces = array();

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Auth_OpenID_NamespaceMap::contains

(

$namespace_uri

)

Definition at line 397 of file Message.php.

References isDefined().

    {
        return $this->isDefined($namespace_uri);

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Auth_OpenID_NamespaceMap::getAlias

(

$namespace_uri

)

Definition at line 283 of file Message.php.

    {
        return $this->namespace_to_alias->get($namespace_uri);

Auth_OpenID_NamespaceMap::getNamespaceURI

(

$alias

)

Definition at line 288 of file Message.php.

    {
        return $this->alias_to_namespace->get($alias);

Auth_OpenID_NamespaceMap::isDefined

(

$namespace_uri

)

Definition at line 402 of file Message.php.

Referenced by contains().

    {
        return $this->namespace_to_alias->contains($namespace_uri);

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Auth_OpenID_NamespaceMap::isImplicit

(

$namespace_uri

)

Definition at line 310 of file Message.php.

    {
        return in_array($namespace_uri, $this->implicit_namespaces);

Auth_OpenID_NamespaceMap::iterAliases

(

)

Definition at line 299 of file Message.php.

    {
        // Return an iterator over the aliases"""
        return $this->alias_to_namespace->keys();

Auth_OpenID_NamespaceMap::iteritems

(

)

Definition at line 305 of file Message.php.

    {
        return $this->namespace_to_alias->items();

Auth_OpenID_NamespaceMap::iterNamespaceURIs

(

)

Definition at line 293 of file Message.php.

    {
        // Return an iterator over the namespace URIs
        return $this->namespace_to_alias->keys();

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The documentation for this class was generated from the following file:

• Services/OpenId/lib/Auth/OpenID/Message.php