/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.client.registration.cli.util;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.exc.UnrecognizedPropertyException;
import org.keycloak.client.registration.cli.common.AttributeOperation;
import org.keycloak.client.registration.cli.common.CmdStdinContext;
import org.keycloak.client.registration.cli.common.EndpointType;
import org.keycloak.representations.idm.ClientRepresentation;
import org.keycloak.representations.oidc.OIDCClientRepresentation;
import org.keycloak.util.JsonSerialization;
import java.io.IOException;
import java.util.List;
import static java.lang.System.arraycopy;
import static org.keycloak.client.registration.cli.util.IoUtil.readFileOrStdin;
import static org.keycloak.client.registration.cli.util.ReflectionUtil.setAttributes;
/**
* @author <a href="mailto:mstrukel@redhat.com">Marko Strukelj</a>
*/
public class ParseUtil {
public static final String CLIENT_OPTION_WARN = "You're using what looks like an OPTION as CLIENT: %s";
public static final String TOKEN_OPTION_WARN = "You're using what looks like an OPTION as TOKEN: %s";
public static String[] shift(String[] args) {
if (args.length == 1)
return new String[0];
String [] nu = new String [args.length-1];
arraycopy(args, 1, nu, 0, args.length-1);
return nu;
}
public static String[] parseKeyVal(String keyval) {
// we expect = as a separator
int pos = keyval.indexOf("=");
if (pos <= 0) {
throw new RuntimeException("Invalid key=value parameter: [" + keyval + "]");
}
String [] parsed = new String[2];
parsed[0] = keyval.substring(0, pos);
parsed[1] = keyval.substring(pos+1);
return parsed;
}
public static CmdStdinContext parseFileOrStdin(String file, EndpointType type) {
String content = readFileOrStdin(file).trim();
ClientRepresentation client = null;
OIDCClientRepresentation oidcClient = null;
if (type == null) {
// guess the correct endpoint from content of the file
if (content.startsWith("<")) {
// looks like XML
type = EndpointType.SAML2;
} else if (content.startsWith("{")) {
// looks like JSON?
// try parse as ClientRepresentation
try {
client = JsonSerialization.readValue(content, ClientRepresentation.class);
type = EndpointType.DEFAULT;
} catch (JsonParseException e) {
throw new RuntimeException("Failed to read the input document as JSON: " + e.getMessage(), e);
} catch (Exception ignored) {
// deliberately not logged
}
if (client == null) {
// try parse as OIDCClientRepresentation
try {
oidcClient = JsonSerialization.readValue(content, OIDCClientRepresentation.class);
type = EndpointType.OIDC;
} catch (IOException ne) {
throw new RuntimeException("Unable to determine input document type. Use -e TYPE to specify the registration endpoint to use");
} catch (Exception e) {
throw new RuntimeException("Failed to read the input document as JSON", e);
}
}
} else if (content.length() == 0) {
throw new RuntimeException("Document provided by --file option is empty");
} else {
throw new RuntimeException("Unable to determine input document type. Use -e TYPE to specify the registration endpoint to use");
}
}
// check content type, making sure it can be parsed into .json if it's not saml xml
if (content != null) {
try {
if (type == EndpointType.DEFAULT && client == null) {
client = JsonSerialization.readValue(content, ClientRepresentation.class);
} else if (type == EndpointType.OIDC && oidcClient == null) {
oidcClient = JsonSerialization.readValue(content, OIDCClientRepresentation.class);
}
} catch (JsonParseException e) {
throw new RuntimeException("Not a valid JSON document - " + e.getMessage(), e);
} catch (UnrecognizedPropertyException e) {
throw new RuntimeException("Attribute '" + e.getPropertyName() + "' not supported on document type '" + type.getName() + "'", e);
} catch (IOException e) {
throw new RuntimeException("Not a valid JSON document", e);
}
}
CmdStdinContext ctx = new CmdStdinContext();
ctx.setEndpointType(type);
ctx.setContent(content);
ctx.setClient(client);
ctx.setOidcClient(oidcClient);
return ctx;
}
public static CmdStdinContext mergeAttributes(CmdStdinContext ctx, List<AttributeOperation> attrs) {
String content = ctx.getContent();
ClientRepresentation client = ctx.getClient();
OIDCClientRepresentation oidcClient = ctx.getOidcClient();
EndpointType type = ctx.getEndpointType();
try {
if (content == null) {
if (type == EndpointType.DEFAULT) {
client = new ClientRepresentation();
} else if (type == EndpointType.OIDC) {
oidcClient = new OIDCClientRepresentation();
}
}
Object rep = client != null ? client : oidcClient;
if (rep != null) {
try {
setAttributes(rep, attrs);
} catch (AttributeException e) {
throw new RuntimeException("Failed to set attribute '" + e.getAttributeName() + "' on document type '" + type.getName() + "'", e);
}
content = JsonSerialization.writeValueAsString(rep);
} else {
throw new RuntimeException("Setting attributes is not supported for type: " + type.getName());
}
} catch (IOException e) {
throw new RuntimeException("Failed to merge set attributes with configuration from file", e);
}
ctx.setContent(content);
ctx.setClient(client);
ctx.setOidcClient(oidcClient);
return ctx;
}
}