private static String tokenizeServerToken(ServerAccessToken token) {
StringBuilder state = new StringBuilder();
// 0: key
state.append(tokenizeString(token.getTokenKey()));
// 1: type
state.append(SEP);
state.append(tokenizeString(token.getTokenType()));
// 2: expiresIn
state.append(SEP);
state.append(token.getExpiresIn());
// 3: issuedAt
state.append(SEP);
state.append(token.getIssuedAt());
// 4: client id
state.append(SEP);
state.append(tokenizeString(token.getClient().getClientId()));
// 5: refresh token
state.append(SEP);
state.append(tokenizeString(token.getRefreshToken()));
// 6: grant type
state.append(SEP);
state.append(tokenizeString(token.getGrantType()));
// 7: audience
state.append(SEP);
state.append(tokenizeString(token.getAudience()));
// 8: other parameters
state.append(SEP);
// {key=value, key=value}
state.append(token.getParameters().toString());
// 9: permissions
state.append(SEP);
if (token.getScopes().isEmpty()) {
state.append(" ");
} else {
for (OAuthPermission p : token.getScopes()) {
// 9.1
state.append(tokenizeString(p.getPermission()));
state.append(".");
// 9.2
state.append(tokenizeString(p.getDescription()));
state.append(".");
// 9.3
state.append(p.isDefault());
state.append(".");
// 9.4
state.append(p.getHttpVerbs().toString());
state.append(".");
// 9.5
state.append(p.getUris().toString());
}
}
state.append(SEP);
// 10: user subject
tokenizeUserSubject(state, token.getSubject());
return state.toString();
}
/**
* Processes an access token request
*
* @param params the form parameters representing the access token grant
* @return Access Token or the error
*/
@POST
@Consumes("application/x-www-form-urlencoded")
@Produces("application/json")
public Response handleTokenRequest(MultivaluedMap<String, String> params) {
// Make sure the client is authenticated
Client client = authenticateClientIfNeeded(params);
if (!OAuthUtils.isGrantSupportedForClient(
client, isCanSupportPublicClients(), params.getFirst(OAuthConstants.GRANT_TYPE))) {
return createErrorResponse(params, OAuthConstants.UNAUTHORIZED_CLIENT);
}
try {
checkAudience(params);
} catch (OAuthServiceException ex) {
return super.createErrorResponseFromBean(ex.getError());
}
// Find the grant handler
AccessTokenGrantHandler handler = findGrantHandler(params);
if (handler == null) {
return createErrorResponse(params, OAuthConstants.UNSUPPORTED_GRANT_TYPE);
}
// Create the access token
ServerAccessToken serverToken = null;
try {
serverToken = handler.createAccessToken(client, params);
} catch (OAuthServiceException ex) {
return handleException(ex, OAuthConstants.INVALID_GRANT);
}
if (serverToken == null) {
return createErrorResponse(params, OAuthConstants.INVALID_GRANT);
}
// Extract the information to be of use for the client
ClientAccessToken clientToken =
new ClientAccessToken(serverToken.getTokenType(), serverToken.getTokenKey());
clientToken.setRefreshToken(serverToken.getRefreshToken());
if (isWriteOptionalParameters()) {
clientToken.setExpiresIn(serverToken.getExpiresIn());
List<OAuthPermission> perms = serverToken.getScopes();
if (!perms.isEmpty()) {
clientToken.setApprovedScope(OAuthUtils.convertPermissionsToScope(perms));
}
clientToken.setParameters(serverToken.getParameters());
}
// Return it to the client
return Response.ok(clientToken)
.header(HttpHeaders.CACHE_CONTROL, "no-store")
.header("Pragma", "no-cache")
.build();
}