diff options
Diffstat (limited to 'src/main/java/org/onap/dcae/restapi')
3 files changed, 470 insertions, 0 deletions
diff --git a/src/main/java/org/onap/dcae/restapi/RestfulCollectorServlet.java b/src/main/java/org/onap/dcae/restapi/RestfulCollectorServlet.java new file mode 100644 index 00000000..bd9a223e --- /dev/null +++ b/src/main/java/org/onap/dcae/restapi/RestfulCollectorServlet.java @@ -0,0 +1,150 @@ + +/* + * ============LICENSE_START======================================================= + * PROJECT + * ================================================================================ + * Copyright (C) 2017 AT&T 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.dcae.restapi; + +import java.io.IOException; +import java.net.URL; + +import javax.servlet.ServletException; + +import org.apache.tomcat.util.codec.binary.Base64; +import org.onap.dcae.commonFunction.CommonStartup; +import org.onap.dcae.commonFunction.VESLogger; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.att.nsa.apiServer.CommonServlet; +import com.att.nsa.configs.ConfigDbException; +import com.att.nsa.drumlin.service.framework.DrumlinErrorHandler; +import com.att.nsa.drumlin.service.framework.context.DrumlinRequestContext; +import com.att.nsa.drumlin.service.framework.routing.DrumlinRequestRouter; +import com.att.nsa.drumlin.service.framework.routing.playish.DrumlinPlayishRoutingFileSource; +import com.att.nsa.drumlin.service.standards.HttpStatusCodes; +import com.att.nsa.drumlin.till.nv.rrNvReadable; +import com.att.nsa.drumlin.till.nv.rrNvReadable.loadException; +import com.att.nsa.drumlin.till.nv.rrNvReadable.missingReqdSetting; +import com.att.nsa.security.NsaAuthenticator; + +import com.att.nsa.security.authenticators.SimpleAuthenticator; +import com.att.nsa.security.db.simple.NsaSimpleApiKey; + +public class RestfulCollectorServlet extends CommonServlet +{ + String authid = null; + String authpwd = null; + String authlist = null; + + public RestfulCollectorServlet ( rrNvReadable settings ) throws loadException, missingReqdSetting + { + super ( settings, "collector", false ); + authid = settings.getString(CommonStartup.kSetting_authid,null); + if (authid != null) + { + String authpwdtemp = settings.getString(CommonStartup.kSetting_authpwd,null); + authpwd = new String(Base64.decodeBase64(authpwdtemp)); + } + authlist = settings.getString(CommonStartup.kSetting_authlist,null); + } + + + /** + * This is called once at server start. Use it to init any shared objects and setup the route mapping. + */ + @Override + protected void servletSetup () throws rrNvReadable.missingReqdSetting, rrNvReadable.invalidSettingValue, ServletException + { + super.servletSetup (); + + try + { + // the base class provides a bunch of things like API authentication and ECOMP compliant + // logging. The Restful Collector likely doesn't need API authentication, so for now, + // we init the base class services with an in-memory (and empty!) config DB. + commonServletSetup ( ConfigDbType.MEMORY ); + + VESLogger.setUpEcompLogging(); + + // setup the servlet routing and error handling + final DrumlinRequestRouter drr = getRequestRouter (); + + // you can tell the request router what to do when a particular kind of exception is thrown. + drr.setHandlerForException( IllegalArgumentException.class, new DrumlinErrorHandler() + { + @Override + public void handle ( DrumlinRequestContext ctx, Throwable cause ) + { + sendJsonReply ( ctx, HttpStatusCodes.k400_badRequest, cause.getMessage() ); + } + }); + + // load the routes from the config file + final URL routes = findStream ( "routes.conf" ); + if ( routes == null ) throw new rrNvReadable.missingReqdSetting ( "No routing configuration." ); + final DrumlinPlayishRoutingFileSource drs = new DrumlinPlayishRoutingFileSource ( routes ); + drr.addRouteSource ( drs ); + + if (CommonStartup.authflag > 0) { + NsaAuthenticator<NsaSimpleApiKey> NsaAuth = new SimpleAuthenticator (); + if (authlist != null) + { + String authpair[] = authlist.split("\\|"); + for (String pair: authpair) { + String lineid[] = pair.split(","); + String listauthid = lineid[0]; + String listauthpwd = new String(Base64.decodeBase64(lineid[1])); + ((SimpleAuthenticator) NsaAuth).add(listauthid,listauthpwd); + } + + } + else if (authid != null) + { + ((SimpleAuthenticator) NsaAuth).add(authid,authpwd); + } + else + { + //add a default test account + ((SimpleAuthenticator) NsaAuth).add("admin","collectorpasscode"); + } + this.getSecurityManager().addAuthenticator(NsaAuth); + } + + log.info ( "Restful Collector Servlet is up." ); + } + catch ( SecurityException e ) + { + throw new ServletException ( e ); + } + catch ( IOException e ) + { + throw new ServletException ( e ); + } + catch ( ConfigDbException e ) + { + throw new ServletException ( e ); + } + } + + + + private static final long serialVersionUID = 1L; + private static final Logger log = LoggerFactory.getLogger ( RestfulCollectorServlet.class ); +} diff --git a/src/main/java/org/onap/dcae/restapi/endpoints/EventReceipt.java b/src/main/java/org/onap/dcae/restapi/endpoints/EventReceipt.java new file mode 100644 index 00000000..159d483a --- /dev/null +++ b/src/main/java/org/onap/dcae/restapi/endpoints/EventReceipt.java @@ -0,0 +1,286 @@ +/*- + * ============LICENSE_START======================================================= + * PROJECT + * ================================================================================ + * Copyright (C) 2017 AT&T 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.dcae.restapi.endpoints; + +import java.io.FileReader; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import java.io.IOException; +import java.io.InputStream; +import java.util.UUID; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; +import org.json.JSONTokener; +import org.onap.dcae.commonFunction.CommonStartup; +import org.onap.dcae.commonFunction.CustomExceptionLoader; +import org.onap.dcae.commonFunction.VESLogger; +import org.onap.dcae.commonFunction.CommonStartup.QueueFullException; + +import com.att.nsa.apiServer.endpoints.NsaBaseEndpoint; +import com.att.nsa.clock.SaClock; +import com.att.nsa.drumlin.service.framework.context.DrumlinRequestContext; +import com.att.nsa.drumlin.service.standards.HttpStatusCodes; +import com.att.nsa.drumlin.service.standards.MimeTypes; +import com.att.nsa.logging.LoggingContext; + +import com.att.nsa.logging.log4j.EcompFields; +import com.att.nsa.security.db.simple.NsaSimpleApiKey; + +import com.google.gson.JsonParser; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class EventReceipt extends NsaBaseEndpoint { + static String valresult = null; + static JSONObject customerror = null; + + private static final Logger log = LoggerFactory.getLogger(EventReceipt.class); + + + public static void receiveVESEvent(DrumlinRequestContext ctx) throws IOException { + // the request body carries events. assume for now it's an array + // of json objects that fits in memory. (See cambria's parsing for + // handling large messages) + + NsaSimpleApiKey retkey = null; + + JSONArray jsonArray = null; + JSONArray jsonArrayMod = new JSONArray(); + JSONObject event = null; + JSONObject jsonObject = null; + FileReader fr = null; + InputStream istr = null; + int arrayflag = 0; + String vesversion = null; + + + + try { + //System.out.print("Version string:" + version); + + // String br = new BufferedReader(new InputStreamReader(ctx.request().getBodyStream())).readLine(); + // JsonElement msg = new JsonParser().parse(new BufferedReader(new InputStreamReader(ctx.request().getBodyStream())).readLine()); + // jsonArray = new JSONArray ( new JSONTokener ( ctx.request().getBodyStream () ) ); + + + log.debug ("Request recieved :" + ctx.request().getRemoteAddress()); + istr = ctx.request().getBodyStream(); + jsonObject = new JSONObject(new JSONTokener(istr)); + + log.info("ctx getPathInContext: " + ctx.request().getPathInContext()); + Pattern p = Pattern.compile("(v\\d+)"); + Matcher m = p.matcher(ctx.request().getPathInContext()); + + if (m.find()) { + log.info("VES version:" + m.group()); + vesversion = m.group(); + } + if (ctx.request().getPathInContext().contains("eventBatch")) + { + CommonStartup.inlog.info(ctx.request().getRemoteAddress() + "VES Batch Input Messsage: " + jsonObject); + log.info(ctx.request().getRemoteAddress() + "VES Batch Input Messsage: " + jsonObject); + arrayflag = 1; + } + else + { + CommonStartup.inlog.info(ctx.request().getRemoteAddress() + "Input Messsage: " + jsonObject); + log.info(ctx.request().getRemoteAddress() + "Input Messsage: " + jsonObject); + + } + + + final UUID uuid = java.util.UUID.randomUUID(); + LoggingContext localLC = VESLogger.getLoggingContextForThread(uuid); + localLC .put ( EcompFields.kBeginTimestampMs, SaClock.now () ); + + + + try { + if (CommonStartup.authflag == 1) { + retkey = NsaBaseEndpoint.getAuthenticatedUser(ctx); + } + } catch (NullPointerException x) { + log.info( + "Invalid user request " + ctx.request().getContentType() + " Message:" + jsonObject.toString()); + CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: Unauthorized user" + x.toString()); + respondWithCustomMsginJson(ctx, HttpStatusCodes.k401_unauthorized, "Invalid user"); + return; + } + + if (retkey != null || CommonStartup.authflag == 0) { + if (CommonStartup.schema_Validatorflag > 0) { + + //fr = new FileReader(CommonStartup.schemaFile); + fr = new FileReader(schemaFileVersion(vesversion)); + String schema = new JsonParser().parse(fr).toString(); + + valresult = CommonStartup.schemavalidate(jsonObject.toString(), schema); + if (valresult.equals("true")) { + log.info("Validation successful"); + } else if (valresult.equals("false")) { + log.info("Validation failed"); + respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest, "Schema validation failed"); + + return; + } else { + log.error("Validation errored" + valresult); + respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest, "Couldn't parse JSON object"); + return; + + } + + + if (arrayflag ==1) { + jsonArray = jsonObject.getJSONArray("eventList"); + log.info("Validation successful for all events in batch"); + for (int i = 0; i < jsonArray.length(); i++) { + event = new JSONObject().put("event", jsonArray.getJSONObject(i)); + event.put("VESuniqueId", uuid + "-"+i); + event.put("VESversion", vesversion); + jsonArrayMod.put(event); + } + + log.info("Modified jsonarray:" + jsonArrayMod.toString()); + + } + else + { + + jsonObject.put("VESuniqueId", uuid); + jsonObject.put("VESversion", vesversion); + jsonArrayMod = new JSONArray().put(jsonObject); + } + + } + // reject anything that's not JSON + if (!ctx.request().getContentType().equalsIgnoreCase("application/json")) { + log.info("Rejecting request with content type " + ctx.request().getContentType() + " Message:" + + jsonObject); + respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest, + "Incorrect message content-type; only accepts application/json messages"); + return; + } + + CommonStartup.handleEvents(jsonArrayMod); + } else { + log.info( + "Unauthorized request " + ctx.request().getContentType() + " Message:" + jsonObject.toString()); + respondWithCustomMsginJson(ctx, HttpStatusCodes.k401_unauthorized, "Unauthorized user"); + return; + } + } catch (JSONException | NullPointerException | IOException x) { + log.error("Couldn't parse JSON Array - HttpStatusCodes.k400_badRequest" + HttpStatusCodes.k400_badRequest + + " Message:" + x.getMessage()); + CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: Invalid user request " + x.toString()); + respondWithCustomMsginJson(ctx, HttpStatusCodes.k400_badRequest, "Couldn't parse JSON object"); + return; + } catch (QueueFullException e) { + e.printStackTrace(); + log.error("Collector internal queue full :" + e.getMessage()); + CommonStartup.eplog.info("EVENT_RECEIPT_FAILURE: QueueFull" + e.toString()); + respondWithCustomMsginJson(ctx, HttpStatusCodes.k503_serviceUnavailable, "Queue full"); + return; + } finally { + if (fr != null) { + safeClose(fr); + } + + if (istr != null) { + safeClose(istr); + } + } + log.info("MessageAccepted and k200_ok to be sent"); + ctx.response().sendErrorAndBody(HttpStatusCodes.k200_ok, "Message Accepted", MimeTypes.kAppJson); + } + + + public static void respondWithCustomMsginJson(DrumlinRequestContext ctx, int sc, String msg) { + String[] str = null; + String ExceptionType = "GeneralException"; + + str = CustomExceptionLoader.LookupMap(String.valueOf(sc), msg); + System.out.println("Post CustomExceptionLoader.LookupMap" + str); + + if (str != null) { + + if (str[0].matches("SVC")) { + ExceptionType = "ServiceException"; + } else if (str[1].matches("POL")) { + ExceptionType = "PolicyException"; + } + + JSONObject jb = new JSONObject().put("requestError", + new JSONObject().put(ExceptionType, new JSONObject().put("MessagID", str[0]).put("text", str[1]))); + + log.debug("Constructed json error : " + jb.toString()); + ctx.response().sendErrorAndBody(sc, jb.toString(), MimeTypes.kAppJson); + } else { + JSONObject jb = new JSONObject().put("requestError", + new JSONObject().put(ExceptionType, new JSONObject().put("Status", sc).put("Error", msg))); + ctx.response().sendErrorAndBody(sc, jb.toString(), MimeTypes.kAppJson); + } + + } + + public static void safeClose(FileReader fr) { + if (fr != null) { + try { + fr.close(); + } catch (IOException e) { + log.error("Error closing file reader stream : " + e.toString()); + } + } + + } + + public static void safeClose(InputStream is) { + if (is != null) { + try { + is.close(); + } catch (IOException e) { + log.error("Error closing Input stream : " + e.toString()); + } + } + + } + + public static String schemaFileVersion(String version) + { + String filename = null; + + if (CommonStartup.schemaFileJson.has(version)) + { + filename = CommonStartup.schemaFileJson.getString(version); + } + else + { + filename = CommonStartup.schemaFile; + } + log.info("VESversion: " + version + " Schema File:" + filename); + return filename; + + } + + +} diff --git a/src/main/java/org/onap/dcae/restapi/endpoints/Ui.java b/src/main/java/org/onap/dcae/restapi/endpoints/Ui.java new file mode 100644 index 00000000..36747660 --- /dev/null +++ b/src/main/java/org/onap/dcae/restapi/endpoints/Ui.java @@ -0,0 +1,34 @@ +/*- + * ============LICENSE_START======================================================= + * PROJECT + * ================================================================================ + * Copyright (C) 2017 AT&T 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.dcae.restapi.endpoints; + +import java.io.IOException; + +import com.att.nsa.apiServer.endpoints.NsaBaseEndpoint; +import com.att.nsa.drumlin.service.framework.context.DrumlinRequestContext; + +public class Ui extends NsaBaseEndpoint +{ + public static void hello ( DrumlinRequestContext ctx ) throws IOException + { + ctx.renderer ().renderTemplate ( "templates/hello.html" ); + } +} |