Commit 3 for Define OPtimizer API mS

Multiple commits required due to commit size limitation.

Change-Id: I228340712e91aae13cc64460f341d3a4cdab2e58
Issue-ID: OPTFRA-437
Signed-off-by: Jerry Flood <jflood@att.com>

9 files changed, 884 insertions, 0 deletions

diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafFilter.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafFilter.java
new file mode 100644
index 0000000..246c396
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafFilter.java
@@ -0,0 +1,81 @@
+/*******************************************************************************
+ * Copyright © 2019 AT&T Intellectual Property.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.aaf;
+
+import java.io.IOException;
+import java.util.Properties;
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.onap.aaf.cadi.PropAccess;
+import org.onap.aaf.cadi.filter.CadiFilter;
+import org.onap.observations.Observation;
+import org.onap.optf.cmso.common.exceptions.CmsoException;
+import org.onap.optf.cmso.optimizer.Application;
+import org.onap.optf.cmso.optimizer.SpringProfiles;
+import org.onap.optf.cmso.optimizer.common.LogMessages;
+import org.springframework.boot.web.servlet.filter.OrderedRequestContextFilter;
+import org.springframework.context.annotation.Profile;
+import org.springframework.stereotype.Component;
+
+/**
+ * AAF authentication filter.
+ */
+
+@Component
+@Profile(SpringProfiles.AAF_AUTHENTICATION)
+public class AafFilter extends OrderedRequestContextFilter {
+
+    private final CadiFilter cadiFilter;
+
+    /**
+     * Instantiates a new aaf filter.
+     *
+     * @throws IOException Signals that an I/O exception has occurred.
+     * @throws ServletException the servlet exception
+     */
+    public AafFilter() throws IOException, ServletException {
+        Properties cadiProperties = new Properties();
+        cadiProperties.load(Application.class.getClassLoader().getResourceAsStream("cadi.properties"));
+        cadiFilter = new CadiFilter(new PropAccess(cadiProperties));
+        this.setOrder(FilterPriority.AAF_AUTHENTICATION.getPriority());
+    }
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
+                    throws IOException, ServletException {
+        cadiFilter.doFilter(request, response, filterChain);
+        if (response.getStatus() == 401) {
+            Observation.report(LogMessages.UNAUTHENTICATED);
+            ResponseFormatter.errorResponse(request, response,
+                    new CmsoException(LogMessages.UNAUTHENTICATED.getStatus(), LogMessages.UNAUTHENTICATED, ""));
+        }
+    }
+
+
+}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafPerm.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafPerm.java
new file mode 100644
index 0000000..db58156
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafPerm.java
@@ -0,0 +1,137 @@
+/*******************************************************************************
+ * Copyright © 2019 AT&T Intellectual Property.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.aaf;
+
+import java.util.HashSet;
+import java.util.Set;
+import org.onap.aaf.cadi.aaf.AAFPermission;
+
+
+/**
+ * The Class AafPerm.
+ */
+public class AafPerm {
+    private String type;
+    private String instance;
+    private String action;
+    private Set<String> actions = new HashSet<>();
+
+    /**
+     * Gets the action.
+     *
+     * @return the action
+     */
+    public String getAction() {
+        return action;
+    }
+
+    /**
+     * Sets the action.
+     *
+     * @param action the new action
+     */
+    public void setAction(String action) {
+        this.action = action;
+        String[] list = action.split(",");
+        for (String a : list) {
+            actions.add(a);
+        }
+    }
+
+    /**
+     * Gets the type.
+     *
+     * @return the type
+     */
+    public String getType() {
+        return type;
+    }
+
+    /**
+     * Sets the type.
+     *
+     * @param type the new type
+     */
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    /**
+     * Gets the single instance of AafPerm.
+     *
+     * @return single instance of AafPerm
+     */
+    public String getInstance() {
+        return instance;
+    }
+
+    /**
+     * Sets the instance.
+     *
+     * @param instance the new instance
+     */
+    public void setInstance(String instance) {
+        this.instance = instance;
+    }
+
+    /**
+     * Gets the actions.
+     *
+     * @return the actions
+     */
+    public Set<String> getActions() {
+        return actions;
+    }
+
+    /**
+     * Sets the actions.
+     *
+     * @param actions the new actions
+     */
+    public void setActions(Set<String> actions) {
+        this.actions = actions;
+    }
+
+    /**
+     * Matches.
+     *
+     * @param userPerm the user perm
+     * @return true, if successful
+     */
+    public boolean matches(AAFPermission userPerm) {
+        if (type.equals(userPerm.getType())) {
+            if (userPerm.getInstance().equals("*") || instance.equals("*") || userPerm.getInstance().equals(instance)) {
+                for (String userAction : userPerm.getAction().split(",")) {
+                    if (userAction.equals("*") || actions.contains("*") || actions.contains(userAction)) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafSecurityConfig.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafSecurityConfig.java
new file mode 100644
index 0000000..38e9af4
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafSecurityConfig.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright © 2019 AT&T Intellectual Property.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.aaf;
+
+import org.onap.optf.cmso.optimizer.SpringProfiles;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Profile;
+import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
+import org.springframework.security.config.annotation.web.builders.HttpSecurity;
+import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
+import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
+
+@Configuration
+@EnableWebSecurity
+@ComponentScan("org.onap.optf")
+@Profile(SpringProfiles.AAF_AUTHENTICATION)
+public class AafSecurityConfig extends WebSecurityConfigurerAdapter {
+
+
+    @Override
+    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
+
+    }
+
+    @Override
+    protected void configure(HttpSecurity http) throws Exception {
+
+        http.csrf().disable();
+
+    }
+}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafUserRole.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafUserRole.java
new file mode 100644
index 0000000..65decec
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafUserRole.java
@@ -0,0 +1,176 @@
+/*******************************************************************************
+ * Copyright © 2019 AT&T Intellectual Property.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.aaf;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * The Class AafUserRole.
+ */
+public class AafUserRole {
+    private String url = "";
+    private String[] pathParts = {};
+    private String perm = "";
+    private String method = "";
+    private List<AafPerm> aafPerms = new ArrayList<>();
+
+    /**
+     * Instantiates a new aaf user role.
+     *
+     * @param url the url
+     * @param perm the perm
+     */
+    public AafUserRole(String url, String perm) {
+        this.setUrl(url);
+        this.setPerm(perm);
+        pathParts = url.split("\\/");
+
+        String[] perms = perm.split(",");
+        for (String p : perms) {
+            String[] parts = p.split(" ");
+            if (parts.length == 2) {
+                method = parts[1];
+            } else {
+                method = "ALL";
+            }
+
+            String[] list = parts[0].split("\\|");
+            if (list.length == 3) {
+                AafPerm aafPerm = new AafPerm();
+                aafPerm.setAction(list[2]);
+                aafPerm.setInstance(list[1]);
+                aafPerm.setType(list[0]);
+                aafPerms.add(aafPerm);
+            }
+        }
+    }
+
+    /**
+     * Gets the url.
+     *
+     * @return the url
+     */
+    public String getUrl() {
+        return url;
+    }
+
+    /**
+     * Sets the url.
+     *
+     * @param url the new url
+     */
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    /**
+     * Gets the perm.
+     *
+     * @return the perm
+     */
+    public String getPerm() {
+        return perm;
+    }
+
+    /**
+     * Sets the perm.
+     *
+     * @param perm the new perm
+     */
+    public void setPerm(String perm) {
+        this.perm = perm;
+    }
+
+    /**
+     * Gets the aaf perms.
+     *
+     * @return the aaf perms
+     */
+    public List<AafPerm> getAafPerms() {
+        return aafPerms;
+    }
+
+    /**
+     * Sets the aaf perms.
+     *
+     * @param aafPerms the new aaf perms
+     */
+    public void setAafPerms(List<AafPerm> aafPerms) {
+        this.aafPerms = aafPerms;
+    }
+
+    /**
+     * Matches.
+     *
+     * @param path the path
+     * @param matchMethod the match method
+     * @return true, if successful
+     */
+    public boolean matches(String path, String matchMethod) {
+        if (!this.method.equalsIgnoreCase("ALL") && !this.method.equals("*") && !this.method.equals(matchMethod)) {
+            return false;
+        }
+        List<String> inNodes = new ArrayList<>();
+        List<String> matchNodes = new ArrayList<>();
+        String[] pathList = path.split("\\/");
+        for (String n : pathList) {
+            inNodes.add(n);
+        }
+        for (String n : pathParts) {
+            matchNodes.add(n);
+        }
+
+        while (!inNodes.isEmpty() && !matchNodes.isEmpty()) {
+            String inNode = inNodes.remove(0);
+            String matchNode = matchNodes.get(0);
+            if (matchNode.equals(inNode) || matchNode.equals("*")) {
+                matchNodes.remove(0);
+            } else {
+                if (!matchNode.equals("**")) {
+                    return false;
+                }
+            }
+        }
+
+        //
+        if (inNodes.isEmpty() && matchNodes.isEmpty()) {
+            return true;
+        }
+
+        // We have incoming nodes remaining, see if we can wildcard them
+        if (matchNodes.size() == 1) {
+            if (matchNodes.get(0).equals("**")) {
+                return true;
+            }
+            if (inNodes.size() == 1 && matchNodes.get(0).equals("*")) {
+                return true;
+            }
+        }
+        return false;
+    }
+}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafUserRoleProperties.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafUserRoleProperties.java
new file mode 100644
index 0000000..171a11f
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/AafUserRoleProperties.java
@@ -0,0 +1,133 @@
+/*******************************************************************************
+ * Copyright © 2019 AT&T Intellectual Property.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.aaf;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Properties;
+import javax.annotation.PostConstruct;
+import javax.servlet.http.HttpServletRequest;
+import org.onap.aaf.cadi.Permission;
+import org.onap.aaf.cadi.aaf.AAFPermission;
+import org.onap.observations.Observation;
+import org.onap.optf.cmso.optimizer.SpringProfiles;
+import org.onap.optf.cmso.optimizer.common.LogMessages;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Profile;
+import org.springframework.core.env.Environment;
+import org.springframework.stereotype.Component;
+
+/**
+ * This class uses a properties file to map URL patterns/method to AAF Permissions (AafPerm).
+ *
+ * @author jf9860
+ *
+ */
+@Component
+@Profile(SpringProfiles.AAF_AUTHENTICATION)
+public class AafUserRoleProperties {
+    @Autowired
+    Environment env;
+
+    private List<AafUserRole> list = new ArrayList<>();
+
+    /**
+     * Initialize permissions.
+     */
+    @PostConstruct
+    public void initializePermissions() {
+        String userRolePropertiesName =
+                        env.getProperty("aaf.user.roles", "src/main/resources/aaf/AAFUserRoles.properties");
+        Properties props = new Properties();
+        try {
+            props.load(new FileInputStream(new File(userRolePropertiesName)));
+        } catch (Exception e) {
+            Observation.report(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
+        }
+        for (Object url : props.keySet()) {
+            Object value = props.get(url);
+            list.add(new AafUserRole((String) url, (String) value));
+        }
+    }
+
+    /**
+     * Gets the for url method.
+     *
+     * @param url the url
+     * @param method the method
+     * @return the for url method
+     */
+    public List<AafUserRole> getForUrlMethod(String url, String method) {
+        List<AafUserRole> userRoleList = new ArrayList<>();
+        for (AafUserRole aur : list) {
+            if (aur.matches(url, method)) {
+                userRoleList.add(aur);
+            }
+        }
+        return userRoleList;
+    }
+
+    /**
+     * Process permissions.
+     *
+     * @param request the request
+     * @param userPerms the user perms
+     * @return true, if successful
+     */
+    public boolean processPermissions(HttpServletRequest request, List<Permission> userPerms) {
+        try {
+            // Get list of perms that match incoming URL. May be more than 1...
+            // Users perms must match all that match URL
+            List<AafUserRole> perms = getForUrlMethod(request.getRequestURI(), request.getMethod());
+            int tested = 0;
+            int passed = 0;
+            for (AafUserRole perm : perms) {
+                for (AafPerm test : perm.getAafPerms()) {
+                    tested++;
+                    for (Permission userPerm : userPerms) {
+
+                        if (test.matches((AAFPermission) userPerm)) {
+                            passed++;
+                            break;
+                        }
+                    }
+                }
+            }
+            // All permissions must be OK
+            if (tested > 0 && tested == passed) {
+                return true;
+            } else {
+                return false;
+            }
+        } catch (Exception e) {
+            Observation.report(LogMessages.UNEXPECTED_EXCEPTION, e, e.getMessage());
+        }
+        return false;
+    }
+}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/FilterPriority.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/FilterPriority.java
new file mode 100644
index 0000000..bfafbd8
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/FilterPriority.java
@@ -0,0 +1,42 @@
+/*******************************************************************************
+ * Copyright © 2019 AT&T Intellectual Property.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.aaf;
+
+import org.springframework.core.Ordered;
+
+public enum FilterPriority {
+    AAF_AUTHENTICATION(Ordered.HIGHEST_PRECEDENCE), AAF_AUTHORIZATION(Ordered.HIGHEST_PRECEDENCE + 1);
+    private final int priority;
+
+    FilterPriority(final int ppri) {
+        priority = ppri;
+    }
+
+    public int getPriority() {
+        return priority;
+    }
+}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/ResponseFormatter.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/ResponseFormatter.java
new file mode 100644
index 0000000..518814e
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/aaf/ResponseFormatter.java
@@ -0,0 +1,45 @@
+/*******************************************************************************
+ * Copyright © 2019 AT&T Intellectual Property.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.aaf;
+
+import java.io.IOException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import org.onap.optf.cmso.common.exceptions.CmsoException;
+
+class ResponseFormatter {
+
+
+    static void errorResponse(HttpServletRequest request, HttpServletResponse response, CmsoException error)
+                    throws IOException {
+        response.setStatus(error.getStatus().getStatusCode());
+        response.getWriter().write(error.getRequestError().toString());
+        response.getWriter().flush();
+        response.getWriter().close();
+    }
+
+}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/common/BasicAuthenticatorFilter.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/common/BasicAuthenticatorFilter.java
new file mode 100644
index 0000000..4c85246
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/common/BasicAuthenticatorFilter.java
@@ -0,0 +1,111 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property. Modifications Copyright © 2018 IBM.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.common;
+
+import com.att.eelf.configuration.EELFLogger;
+import com.att.eelf.configuration.EELFManager;
+import java.io.IOException;
+import java.io.UnsupportedEncodingException;
+import javax.servlet.http.HttpServletRequest;
+import javax.ws.rs.client.ClientRequestContext;
+import javax.ws.rs.client.ClientRequestFilter;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.xml.bind.DatatypeConverter;
+
+/**
+ * The Class BasicAuthenticatorFilter.
+ */
+public class BasicAuthenticatorFilter implements ClientRequestFilter {
+    private static EELFLogger log = EELFManager.getInstance().getLogger(BasicAuthenticatorFilter.class);
+    private final String user;
+    private final String password;
+
+    /**
+     * Instantiates a new basic authenticator filter.
+     *
+     * @param user the user
+     * @param password the password
+     */
+    public BasicAuthenticatorFilter(String user, String password) {
+        this.user     = user;
+        this.password = password;
+        log.info("user: " + user + " pass:" + password);
+    }
+
+    /**
+     * Filter.
+     *
+     * @param requestContext the request context
+     * @throws IOException Signals that an I/O exception has occurred.
+     */
+    @Override
+    public void filter(ClientRequestContext requestContext) throws IOException {
+        MultivaluedMap<String, Object> headers = requestContext.getHeaders();
+        final String basicAuthentication = getBasicAuthentication();
+        headers.add("Authorization", basicAuthentication);
+    }
+
+    private String getBasicAuthentication() {
+        String token = this.user + ":" + this.password;
+        try {
+            return "Basic " + DatatypeConverter.printBase64Binary(token.getBytes("UTF-8"));
+        } catch (UnsupportedEncodingException ex) {
+            throw new IllegalStateException("Cannot encode with UTF-8", ex);
+        }
+    }
+
+    /**
+     * Gets the user.
+     *
+     * @param request the request
+     * @return the user
+     */
+    public static String getUser(HttpServletRequest request) {
+        String user = "";
+        String header = request.getHeader("Authorization");
+        if (header != null) {
+            String[] auth = header.split("Basic ");
+            if (auth.length == 2) {
+                String token = getToken(auth[1]);
+                if (token.contains(":")) {
+                    String[] tokens = token.split(":");
+                    user = tokens[0];
+                }
+            }
+        }
+        return user;
+    }
+
+    private static String getToken(String auth) {
+        try {
+            String token = new String(DatatypeConverter.parseBase64Binary(auth));
+            return token;
+        } catch (Exception e) {
+            return auth;
+        }
+    }
+}
diff --git a/cmso-optimizer/src/main/java/org/onap/optf/cmso/common/CmsoRequestError.java b/cmso-optimizer/src/main/java/org/onap/optf/cmso/common/CmsoRequestError.java
new file mode 100644
index 0000000..d56a992
--- /dev/null
+++ b/cmso-optimizer/src/main/java/org/onap/optf/cmso/common/CmsoRequestError.java
@@ -0,0 +1,103 @@
+/*
+ * Copyright © 2017-2018 AT&T Intellectual Property. Modifications Copyright © 2018 IBM.
+ *
+ * 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.
+ *
+ *
+ * Unless otherwise specified, all documentation contained herein is licensed under the Creative
+ * Commons License, Attribution 4.0 Intl. (the "License"); you may not use this documentation except
+ * in compliance with the License. You may obtain a copy of the License at
+ *
+ * https://creativecommons.org/licenses/by/4.0/
+ *
+ * Unless required by applicable law or agreed to in writing, documentation 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.onap.optf.cmso.common;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import java.io.Serializable;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * The Class CMSRequestError.
+ */
+public class CmsoRequestError implements Serializable {
+    private static final long serialVersionUID = 1L;
+    @JsonProperty
+    RequestError requestError;
+
+    /**
+     * Instantiates a new CMS request error.
+     *
+     * @param messageId the message id
+     * @param text the text
+     * @param variables the variables
+     */
+    public CmsoRequestError(String messageId, String text, List<String> variables) {
+        requestError = new RequestError(messageId, text, variables);
+    }
+
+    /**
+     * Instantiates a new CMS request error.
+     *
+     * @param messageId the message id
+     * @param text the text
+     */
+    public CmsoRequestError(String messageId, String text) {
+        requestError = new RequestError(messageId, text, new ArrayList<String>());
+    }
+
+    /**
+     * The Class RequestError.
+     */
+    public class RequestError {
+        @JsonProperty
+        private String messageId;
+        @JsonProperty
+        private String text;
+        @JsonProperty
+        private List<String> variables;
+
+        private RequestError(String messageId, String text, List<String> variables) {
+            this.messageId = "CMSO." + messageId;
+            this.text      = text;
+            this.variables = variables;
+        }
+
+        /**
+         * To string.
+         *
+         * @return the string
+         */
+        @Override
+        public String toString() {
+            StringBuffer sb = new StringBuffer();
+            sb.append(messageId).append(":").append(text).append(":").append(variables);
+            return sb.toString();
+
+        }
+    }
+
+    /**
+     * To string.
+     *
+     * @return the string
+     */
+    @Override
+    public String toString() {
+        return requestError.toString();
+    }
+}