/// <summary>
/// Creates a <see cref="ExtensionArgumentsManager"/> instance to process incoming extensions.
/// </summary>
/// <param name="query">The parameters in the OpenID message.</param>
/// <returns>The newly created instance of <see cref="ExtensionArgumentsManager"/>.</returns>
public static ExtensionArgumentsManager CreateIncomingExtensions(IDictionary <string, string> query)
{
Requires.NotNull(query, "query");
var mgr = new ExtensionArgumentsManager();
mgr.protocol = Protocol.Detect(query);
mgr.isReadMode = true;
string aliasPrefix = mgr.protocol.openid.ns + ".";
// First pass looks for namespace aliases
foreach (var pair in query)
{
if (pair.Key.StartsWith(aliasPrefix, StringComparison.Ordinal))
{
mgr.aliasManager.SetAlias(pair.Key.Substring(aliasPrefix.Length), pair.Value);
}
}
// For backwards compatibility, add certain aliases if they aren't defined.
if (mgr.protocol.Version.Major < 2)
{
foreach (var pair in typeUriToAliasAffinity)
{
if (!mgr.aliasManager.IsAliasAssignedTo(pair.Key) &&
!mgr.aliasManager.IsAliasUsed(pair.Value))
{
mgr.aliasManager.SetAlias(pair.Value, pair.Key);
}
}
}
// Second pass looks for extensions using those aliases
foreach (var pair in query)
{
if (!pair.Key.StartsWith(mgr.protocol.openid.Prefix, StringComparison.Ordinal))
{
continue;
}
string possibleAlias = pair.Key.Substring(mgr.protocol.openid.Prefix.Length);
int periodIndex = possibleAlias.IndexOf(".", StringComparison.Ordinal);
if (periodIndex >= 0)
{
possibleAlias = possibleAlias.Substring(0, periodIndex);
}
string typeUri;
if ((typeUri = mgr.aliasManager.TryResolveAlias(possibleAlias)) != null)
{
if (!mgr.extensions.ContainsKey(typeUri))
{
mgr.extensions[typeUri] = new Dictionary <string, string>();
}
string key = periodIndex >= 0 ? pair.Key.Substring(mgr.protocol.openid.Prefix.Length + possibleAlias.Length + 1) : string.Empty;
mgr.extensions[typeUri].Add(key, pair.Value);
}
}
return(mgr);
}
/// <summary>
/// Creates a <see cref="ExtensionArgumentsManager"/> instance to prepare outgoing extensions.
/// </summary>
/// <param name="protocol">The protocol version used for the outgoing message.</param>
/// <returns>
/// The newly created instance of <see cref="ExtensionArgumentsManager"/>.
/// </returns>
public static ExtensionArgumentsManager CreateOutgoingExtensions(Protocol protocol)
{
var mgr = new ExtensionArgumentsManager();
mgr.protocol = protocol;
// Affinity for certain alias for backwards compatibility
foreach (var pair in typeUriToAliasAffinity)
{
mgr.aliasManager.SetAlias(pair.Value, pair.Key);
}
return(mgr);
}
/// <summary>
/// Creates a <see cref="ExtensionArgumentsManager"/> instance to process incoming extensions.
/// </summary>
/// <param name="query">The parameters in the OpenID message.</param>
/// <returns>The newly created instance of <see cref="ExtensionArgumentsManager"/>.</returns>
public static ExtensionArgumentsManager CreateIncomingExtensions(IDictionary<string, string> query) {
Requires.NotNull(query, "query");
var mgr = new ExtensionArgumentsManager();
mgr.protocol = Protocol.Detect(query);
mgr.isReadMode = true;
string aliasPrefix = mgr.protocol.openid.ns + ".";
// First pass looks for namespace aliases
foreach (var pair in query) {
if (pair.Key.StartsWith(aliasPrefix, StringComparison.Ordinal)) {
mgr.aliasManager.SetAlias(pair.Key.Substring(aliasPrefix.Length), pair.Value);
}
}
// For backwards compatibility, add certain aliases if they aren't defined.
if (mgr.protocol.Version.Major < 2) {
foreach (var pair in typeUriToAliasAffinity) {
if (!mgr.aliasManager.IsAliasAssignedTo(pair.Key) &&
!mgr.aliasManager.IsAliasUsed(pair.Value)) {
mgr.aliasManager.SetAlias(pair.Value, pair.Key);
}
}
}
// Second pass looks for extensions using those aliases
foreach (var pair in query) {
if (!pair.Key.StartsWith(mgr.protocol.openid.Prefix, StringComparison.Ordinal)) {
continue;
}
string possibleAlias = pair.Key.Substring(mgr.protocol.openid.Prefix.Length);
int periodIndex = possibleAlias.IndexOf(".", StringComparison.Ordinal);
if (periodIndex >= 0) {
possibleAlias = possibleAlias.Substring(0, periodIndex);
}
string typeUri;
if ((typeUri = mgr.aliasManager.TryResolveAlias(possibleAlias)) != null) {
if (!mgr.extensions.ContainsKey(typeUri)) {
mgr.extensions[typeUri] = new Dictionary<string, string>();
}
string key = periodIndex >= 0 ? pair.Key.Substring(mgr.protocol.openid.Prefix.Length + possibleAlias.Length + 1) : string.Empty;
mgr.extensions[typeUri].Add(key, pair.Value);
}
}
return mgr;
}
/// <summary>
/// Creates a <see cref="ExtensionArgumentsManager"/> instance to prepare outgoing extensions.
/// </summary>
/// <param name="protocol">The protocol version used for the outgoing message.</param>
/// <returns>
/// The newly created instance of <see cref="ExtensionArgumentsManager"/>.
/// </returns>
public static ExtensionArgumentsManager CreateOutgoingExtensions(Protocol protocol)
{
var mgr = new ExtensionArgumentsManager();
mgr.protocol = protocol;
// Affinity for certain alias for backwards compatibility
foreach (var pair in typeUriToAliasAffinity) {
mgr.aliasManager.SetAlias(pair.Value, pair.Key);
}
return mgr;
}