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/*
* ============LICENSE_START========================================================================
* ONAP : ccsdk feature sdnr wt
* =================================================================================================
* Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved.
* =================================================================================================
* 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.
* ============LICENSE_END==========================================================================
*/
package org.onap.ccsdk.features.sdnr.wt.odlux;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.onap.ccsdk.features.sdnr.wt.odlux.model.bundles.OdluxBundle;
import org.onap.ccsdk.features.sdnr.wt.odlux.model.bundles.OdluxBundleResourceAccess;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class IndexOdluxBundle extends OdluxBundle implements OdluxBundleResourceAccess {
private static Logger LOG = LoggerFactory.getLogger(IndexOdluxBundle.class);
private static final String LR = "\n";
private static final String BUNDLENAME_APP = "run";
private static final String regexRequire = "require\\(\\[(\"" + BUNDLENAME_APP + "\")\\]";
private static final String regexFunction = "function[\\ ]*\\((" + BUNDLENAME_APP + ")\\)[\\ ]*\\{";
private static final String regexFunctionBody = "(" + BUNDLENAME_APP + "\\.runApplication\\(\\);)";
private static final String regexConfigure = BUNDLENAME_APP+"\\.configureApplication\\(([^\\)]+)\\)";
private static final Pattern patternRequire = Pattern.compile(regexRequire);
private static final Pattern patternFunction = Pattern.compile(regexFunction);
private static final Pattern patternFunctionBody = Pattern.compile(regexFunctionBody);
private static final Pattern patternConfigure = Pattern.compile(regexConfigure);
private static final String ENV_ENABLE_OAUTH = "ENABLE_OAUTH";
private static final String ENABLE_OAUTH_DEFAULT = "false";
private static final String ENV_ENABLE_ODLUX_RBAC = "ENABLE_ODLUX_RBAC";
private static final String ENABLE_ODLUX_RBAC_DEFAULT = "false";
private static final String ENV_TRANSPORTPCEGUIURL = "TRPCEGUIURL";
private static final String TRANSPORTPCEGUIURL_DEFAULT = "";
private final boolean oauthEnabled;
private final boolean policyEnabled;
private final String transportPceGuiUrl;
public IndexOdluxBundle() {
super(null, BUNDLENAME_APP);
this.oauthEnabled = "true".equals(getEnvVar(ENV_ENABLE_OAUTH, ENABLE_OAUTH_DEFAULT));
this.policyEnabled = "true".equals(getEnvVar(ENV_ENABLE_ODLUX_RBAC, ENABLE_ODLUX_RBAC_DEFAULT));
this.transportPceGuiUrl = getEnvVar(ENV_TRANSPORTPCEGUIURL, TRANSPORTPCEGUIURL_DEFAULT);
LOG.info("instantiating index with oauthEnabled={} and policyEnabled={}",this.oauthEnabled, this.policyEnabled);
}
@Override
protected String loadFileContent(URL url) {
return loadFileContent(url, OdluxBundleLoaderImpl.getInstance().getLoadedBundles(this.getBundleName()));
}
@Override
public String getResourceFileContent(String fn, List<String> bundleNames) {
return loadFileContent(this.getResource(fn), bundleNames);
}
private String loadFileContent(URL url, List<String> bundlesNamesList) {
if (url == null) {
return null;
}
LOG.debug("try to load res " + url.toString());
StringBuilder sb = new StringBuilder();
Matcher matcher;
BufferedReader in = null;
try {
in = new BufferedReader(new InputStreamReader(url.openStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
if (url.getFile().endsWith("index.html")) {
matcher = patternRequire.matcher(inputLine);
if (matcher.find()) {
inputLine = inputLine.substring(0, matcher.start(1)) + "\""
+ String.join("\",\"", bundlesNamesList) + "\"" + inputLine.substring(matcher.end(1));
}
matcher = patternFunction.matcher(inputLine);
if (matcher.find()) {
inputLine = inputLine.substring(0, matcher.start(1)) + String.join(",", bundlesNamesList)
+ inputLine.substring(matcher.end(1));
}
matcher = patternFunctionBody.matcher(inputLine);
if (matcher.find()) {
String hlp = "";
for (String bundle : bundlesNamesList) {
if (!bundle.equals(BUNDLENAME_APP)) {
hlp += bundle + ".register();" + LR;
}
}
inputLine =
inputLine.substring(0, matcher.start(1)) + hlp + inputLine.substring(matcher.start(1));
}
}
sb.append(inputLine + LR);
}
if (url.getFile().endsWith("index.html")) {
matcher = patternConfigure.matcher(sb);
if(matcher.find() && matcher.groupCount()>0) {
sb.replace(matcher.start(1),matcher.end(1), this.generateConfigureJson());
}
}
} catch (IOException e) {
LOG.warn("could not load resfile {} : {}", url, e.getMessage());
return null;
} finally {
try {
if (in != null) {
in.close();
}
} catch (IOException e) {
}
}
return sb.toString();
}
private String generateConfigureJson() {
StringBuilder sb = new StringBuilder();
sb.append(String.format("{\"authentication\":\"%s\",\"enablePolicy\":%s", this.oauthEnabled ? "oauth" : "basic",
String.valueOf(this.policyEnabled)));
if (this.transportPceGuiUrl != null && this.transportPceGuiUrl.length() > 0) {
sb.append(String.format(",\"transportpceUrl\":\"%s\"}", this.transportPceGuiUrl));
} else {
sb.append("}");
}
return sb.toString();
}
private static String getEnvVar(String v, String defaultValue) {
Map<String, String> env = System.getenv();
for (String envName : env.keySet()) {
if (envName != null && envName.equals(v))
return env.get(envName);
}
return defaultValue;
}
}
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