diff options
Diffstat (limited to 'cadi/cass/src/main/java')
4 files changed, 699 insertions, 0 deletions
diff --git a/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthenticatedUser.java b/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthenticatedUser.java new file mode 100644 index 00000000..3f08b1e9 --- /dev/null +++ b/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthenticatedUser.java @@ -0,0 +1,109 @@ +/** + * ============LICENSE_START==================================================== + * org.onap.aaf + * =========================================================================== + * Copyright (c) 2018 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 com.att.aaf.cadi.cass; + +import java.security.Principal; + +import org.apache.cassandra.auth.AuthenticatedUser; +import org.onap.aaf.cadi.Access; + +public class AAFAuthenticatedUser extends AuthenticatedUser implements Principal { + private boolean anonymous = false, supr=false, local=false; + private String fullName; +// private Access access; + + public AAFAuthenticatedUser(Access access, String name) { + super(name); +// this.access = access; + int endIndex = name.indexOf("@"); + if(endIndex >= 0) { + fullName = name; + } else { + fullName = name + '@' + AAFBase.default_realm; + } + } + + public String getFullName() { + return fullName; + } + + public String getName() { + return fullName; + } + + /* (non-Javadoc) + * @see org.apache.cassandra.auth.AuthenticatedUser#isAnonymous() + */ + @Override + public boolean isAnonymous() { + return anonymous; + } + + public void setAnonymous(boolean anon) { + anonymous = anon; + } + + public boolean getAnonymous() { + return anonymous; + } + + /* (non-Javadoc) + * @see org.apache.cassandra.auth.AuthenticatedUser#isSuper() + */ + @Override + public boolean isSuper() { + return supr; + } + + public void setSuper(boolean supr) { + this.supr = supr; + } + + public boolean getSuper() { + return supr; + } + + /** + * We check Local so we can compare with the right Lur. This is AAF Plugin only. + * @return + */ + public boolean isLocal() { + return local; + } + + public void setLocal(boolean val) { + local = val; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (!(o instanceof AAFAuthenticatedUser)) return false; + return ((AuthenticatedUser)o).getName().equals(this.getName()); + } + + @Override + public int hashCode() { + //access.log(Level.DEBUG, "AAFAuthentication hashcode ",getName().hashCode()); + return getName().hashCode(); + } +} diff --git a/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthenticator.java b/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthenticator.java new file mode 100644 index 00000000..1f50280c --- /dev/null +++ b/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthenticator.java @@ -0,0 +1,173 @@ +/** + * ============LICENSE_START==================================================== + * org.onap.aaf + * =========================================================================== + * Copyright (c) 2018 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 com.att.aaf.cadi.cass; + +import java.io.IOException; +import java.io.UnsupportedEncodingException; +import java.util.Arrays; +import java.util.HashMap; +import java.util.Map; + +import org.apache.cassandra.auth.AuthenticatedUser; +import org.apache.cassandra.auth.IAuthenticator; +import org.apache.cassandra.auth.ISaslAwareAuthenticator; +import org.apache.cassandra.exceptions.AuthenticationException; +import org.apache.cassandra.exceptions.InvalidRequestException; +import org.apache.cassandra.exceptions.RequestExecutionException; +import org.onap.aaf.cadi.Symm; +import org.onap.aaf.cadi.Access.Level; +import org.onap.aaf.cadi.CredVal.Type; +import org.onap.aaf.cadi.config.Config; + +public class AAFAuthenticator extends AAFBase implements ISaslAwareAuthenticator { + + public boolean requireAuthentication() { + return true; + } + + /** + * Invoked to authenticate an user + */ + public AuthenticatedUser authenticate(Map<String, String> credentials) throws AuthenticationException { + String username = (String)credentials.get("username"); + if (username == null) { + throw new AuthenticationException("'username' is missing"); + } + + AAFAuthenticatedUser aau = new AAFAuthenticatedUser(access,username); + String fullName=aau.getFullName(); + access.log(Level.DEBUG, "Authenticating", aau.getName(),"(", fullName,")"); + + String password = (String)credentials.get("password"); + if (password == null) { + throw new AuthenticationException("'password' is missing"); + } else if(password.startsWith("bsf:")) { + try { + password = Symm.base64noSplit.depass(password); + } catch (IOException e) { + throw new AuthenticationException("AAF bnf: Password cannot be decoded"); + } + } else if(password.startsWith("enc:")) { + try { + password = access.decrypt(password, true); + } catch (IOException e) { + throw new AuthenticationException("AAF Encrypted Password cannot be decrypted"); + } + } + + if(localLur!=null) { + access.log(Level.DEBUG, "Validating",fullName, "with LocalTaf", password); + if(localLur.validate(fullName, Type.PASSWORD, password.getBytes(),null)) { + aau.setAnonymous(true); + aau.setLocal(true); + access.log(Level.DEBUG, fullName, "is authenticated locally"); + return aau; + } + } + + String aafResponse; + try { + access.log(Level.DEBUG, "Validating",fullName, "with AAF");//, password); + aafResponse = aafAuthn.validate(fullName, password,null); + if(aafResponse != null) { // Reason for failing. + access.log(Level.AUDIT, "AAF reports ",fullName,":",aafResponse); + throw new AuthenticationException(aafResponse); + } + access.log(Level.AUDIT, fullName, "is authenticated"); //,password); + // This tells Cassandra to skip checking it's own tables for User Entries. + aau.setAnonymous(true); + } catch (AuthenticationException ex) { + throw ex; + } catch(Exception ex) { + access.log(ex,"Exception validating user"); + throw new AuthenticationException("Exception validating user"); + } + + return aau; + } + + public void create(String username, Map<IAuthenticator.Option, Object> options) throws InvalidRequestException, RequestExecutionException { + access.log(Level.INFO,"Use AAF CLI to create user"); + } + + public void alter(String username, Map<IAuthenticator.Option, Object> options) throws RequestExecutionException { + access.log(Level.INFO,"Use AAF CLI to alter user"); + } + + public void drop(String username) throws RequestExecutionException { + access.log(Level.INFO,"Use AAF CLI to delete user"); + } + + public SaslAuthenticator newAuthenticator() { + return new ISaslAwareAuthenticator.SaslAuthenticator() { + private boolean complete = false; + private Map<String, String> credentials; + + public byte[] evaluateResponse(byte[] clientResponse) throws AuthenticationException { + this.credentials = decodeCredentials(clientResponse); + this.complete = true; + return null; + } + + public boolean isComplete() { + return this.complete; + } + + public AuthenticatedUser getAuthenticatedUser() throws AuthenticationException { + return AAFAuthenticator.this.authenticate(this.credentials); + } + + private Map<String, String> decodeCredentials(byte[] bytes) throws AuthenticationException { + access.log(Level.DEBUG,"Decoding credentials from client token"); + byte[] user = null; + byte[] pass = null; + int end = bytes.length; + for (int i = bytes.length - 1; i >= 0; i--) + { + if (bytes[i] != 0) + continue; + if (pass == null) + pass = Arrays.copyOfRange(bytes, i + 1, end); + else if (user == null) + user = Arrays.copyOfRange(bytes, i + 1, end); + end = i; + } + + if (user == null) + throw new AuthenticationException("Authentication ID must not be null"); + if (pass == null) { + throw new AuthenticationException("Password must not be null"); + } + Map<String,String> credentials = new HashMap<String,String>(); + try { + credentials.put(IAuthenticator.USERNAME_KEY, new String(user, Config.UTF_8)); + credentials.put(IAuthenticator.PASSWORD_KEY, new String(pass, Config.UTF_8)); + } catch (UnsupportedEncodingException e) { + throw new AuthenticationException(e.getMessage()); + } + return credentials; + } + }; + } + +} + diff --git a/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthorizer.java b/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthorizer.java new file mode 100644 index 00000000..7353ee33 --- /dev/null +++ b/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFAuthorizer.java @@ -0,0 +1,224 @@ +/** + * ============LICENSE_START==================================================== + * org.onap.aaf + * =========================================================================== + * Copyright (c) 2018 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 com.att.aaf.cadi.cass; + +import java.util.ArrayList; +import java.util.HashSet; +import java.util.Set; + +import org.apache.cassandra.auth.AuthenticatedUser; +import org.apache.cassandra.auth.IAuthorizer; +import org.apache.cassandra.auth.IResource; +import org.apache.cassandra.auth.Permission; +import org.apache.cassandra.auth.PermissionDetails; +import org.apache.cassandra.exceptions.RequestExecutionException; +import org.apache.cassandra.exceptions.RequestValidationException; +import org.onap.aaf.cadi.Access.Level; +import org.onap.aaf.cadi.aaf.v2_0.AbsAAFLur; +import org.onap.aaf.cadi.lur.LocalPermission; + +public class AAFAuthorizer extends AAFBase implements IAuthorizer { + // Returns every permission on the resource granted to the user. + public Set<Permission> authorize(AuthenticatedUser user, IResource resource) { + String uname, rname; + access.log(Level.DEBUG,"Authorizing",uname=user.getName(),"for",rname=resource.getName()); + + Set<Permission> permissions; + + if(user instanceof AAFAuthenticatedUser) { + AAFAuthenticatedUser aafUser = (AAFAuthenticatedUser) user; + aafUser.setAnonymous(false); + + if(aafUser.isLocal()) { + permissions = checkPermissions(aafUser, new LocalPermission( + rname.replaceFirst("data", cluster_name) + )); + } else { + permissions = checkPermissions( + aafUser, + perm_type, + ':'+rname.replaceFirst("data", cluster_name).replace('/', ':')); + } + } else { + permissions = Permission.NONE; + } + + access.log(Level.INFO,"Permissions on",rname,"for",uname,':', permissions); + + return permissions; + } + + /** + * Check only for Localized IDs (see cadi.properties) + * @param aau + * @param perm + * @return + */ + private Set<Permission> checkPermissions(AAFAuthenticatedUser aau, LocalPermission perm) { + if(localLur.fish(aau, perm)) { +// aau.setSuper(true); + return Permission.ALL; + } else { + return Permission.NONE; + } + } + + /** + * Check remoted AAF Permissions + * @param aau + * @param type + * @param instance + * @return + */ + private Set<Permission> checkPermissions(AAFAuthenticatedUser aau, String type, String instance) { + // Can perform ALL actions + PermHolder ph = new PermHolder(aau); + aafLur.fishOneOf(aau,ph,type,instance,actions); + return ph.permissions; + } + + private class PermHolder { + private AAFAuthenticatedUser aau; + public PermHolder(AAFAuthenticatedUser aau) { + this.aau = aau; + } + public Set<Permission> permissions = Permission.NONE; + public void mutable() { + if(permissions==Permission.NONE) { + permissions = new HashSet<Permission>(); + } + } + }; + + /** + * This specialty List avoid extra Object Creation, and allows the Lur to do a Vistor on all appropriate Perms + */ + private static final ArrayList<AbsAAFLur.Action<PermHolder>> actions = new ArrayList<AbsAAFLur.Action<PermHolder>>(); + static { + actions.add(new AbsAAFLur.Action<PermHolder>() { + public String getName() { + return "*"; + } + + public boolean exec(PermHolder a) { + a.aau.setSuper(true); + a.permissions = Permission.ALL; + return true; + } + }); + + actions.add(new AbsAAFLur.Action<PermHolder>() { + public String getName() { + return "SELECT"; + } + + public boolean exec(PermHolder ph) { + ph.mutable(); + ph.permissions.add(Permission.SELECT); + return false; + } + }); + actions.add(new AbsAAFLur.Action<PermHolder>() { + public String getName() { + return "MODIFY"; + } + + public boolean exec(PermHolder ph) { + ph.mutable(); + ph.permissions.add(Permission.MODIFY); + return false; + } + }); + actions.add(new AbsAAFLur.Action<PermHolder>() { + public String getName() { + return "CREATE"; + } + + public boolean exec(PermHolder ph) { + ph.mutable(); + ph.permissions.add(Permission.CREATE); + return false; + } + }); + + actions.add(new AbsAAFLur.Action<PermHolder>() { + public String getName() { + return "ALTER"; + } + + public boolean exec(PermHolder ph) { + ph.mutable(); + ph.permissions.add(Permission.ALTER); + return false; + } + }); + actions.add(new AbsAAFLur.Action<PermHolder>() { + public String getName() { + return "DROP"; + } + + public boolean exec(PermHolder ph) { + ph.mutable(); + ph.permissions.add(Permission.DROP); + return false; + } + }); + actions.add(new AbsAAFLur.Action<PermHolder>() { + public String getName() { + return "AUTHORIZE"; + } + + public boolean exec(PermHolder ph) { + ph.mutable(); + ph.permissions.add(Permission.AUTHORIZE); + return false; + } + }); + + + }; + + + public void grant(AuthenticatedUser performer, Set<Permission> permissions, IResource resource, String to) throws RequestExecutionException { + access.log(Level.INFO, "Use AAF CLI to grant permission(s) to user/role"); + } + + public void revoke(AuthenticatedUser performer, Set<Permission> permissions, IResource resource, String from) throws RequestExecutionException { + access.log(Level.INFO,"Use AAF CLI to revoke permission(s) for user/role"); + } + + public Set<PermissionDetails> list(AuthenticatedUser performer, Set<Permission> permissions, IResource resource, String of) throws RequestValidationException, RequestExecutionException { + access.log(Level.INFO,"Use AAF CLI to find the list of permissions"); + return null; + } + + // Called prior to deleting the user with DROP USER query. Internal hook, so no permission checks are needed here. + public void revokeAll(String droppedUser) { + access.log(Level.INFO,"Use AAF CLI to revoke permission(s) for user/role"); + } + + // Called after a resource is removed (DROP KEYSPACE, DROP TABLE, etc.). + public void revokeAll(IResource droppedResource) { + access.log(Level.INFO,"Use AAF CLI to delete the unused permission", droppedResource.getName()); + } + +} diff --git a/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFBase.java b/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFBase.java new file mode 100644 index 00000000..b091cc95 --- /dev/null +++ b/cadi/cass/src/main/java/com/att/aaf/cadi/cass/AAFBase.java @@ -0,0 +1,193 @@ +/** + * ============LICENSE_START==================================================== + * org.onap.aaf + * =========================================================================== + * Copyright (c) 2018 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 com.att.aaf.cadi.cass; + +import java.io.File; +import java.io.FileInputStream; +import java.io.InputStream; +import java.net.HttpURLConnection; +import java.net.URL; +import java.util.HashSet; +import java.util.Properties; +import java.util.Set; + +import org.apache.cassandra.auth.DataResource; +import org.apache.cassandra.auth.IAuthenticator; +import org.apache.cassandra.config.DatabaseDescriptor; +import org.apache.cassandra.exceptions.ConfigurationException; +import org.onap.aaf.cadi.Access; +import org.onap.aaf.cadi.Lur; +import org.onap.aaf.cadi.PropAccess; +import org.onap.aaf.cadi.Access.Level; +import org.onap.aaf.cadi.aaf.AAFPermission; +import org.onap.aaf.cadi.aaf.v2_0.AAFAuthn; +import org.onap.aaf.cadi.aaf.v2_0.AAFCon; +import org.onap.aaf.cadi.aaf.v2_0.AbsAAFLur; +import org.onap.aaf.cadi.config.Config; +import org.onap.aaf.cadi.config.SecurityInfoC; +import org.onap.aaf.cadi.lur.EpiLur; +import org.onap.aaf.cadi.lur.LocalLur; + +public abstract class AAFBase { + protected static final Set<IAuthenticator.Option> options; + protected static final Set<DataResource> dataResource; + + static { + options = new HashSet<IAuthenticator.Option>(); + options.add(IAuthenticator.Option.PASSWORD); + + dataResource = new HashSet<DataResource>(); + dataResource.add(DataResource.columnFamily("system_auth", "credentials")); + } + + protected static Access access; + protected static LocalLur localLur; + protected static AAFCon<?> aafcon; + protected static AAFAuthn<?> aafAuthn; + protected static AbsAAFLur<AAFPermission> aafLur; + protected static String default_realm; + protected static String cluster_name; + protected static String perm_type; + private static boolean props_ok = false; + + /** + * If you use your own Access Class, this must be called before + * "setup()" is invoked by Cassandra. + * + * Otherwise, it will default to reading Properties CADI style. + * + * @param access + */ + public static void setAccess(Access access) { + AAFBase.access = access; + } + + + public void validateConfiguration() throws ConfigurationException { + setup(); + if(!props_ok) { + throw new ConfigurationException("AAF not initialized"); + } + } + + @SuppressWarnings("unchecked") + public synchronized void setup() { + if(aafAuthn == null) { + try { + if(access==null) { + String value = System.getProperty(Config.CADI_PROP_FILES, "cadi.properties"); + Properties initial = new Properties(); + URL cadi_props = ClassLoader.getSystemResource(value); + if(cadi_props == null) { + File cp = new File(value); + if(cp.exists()) { + InputStream is = new FileInputStream(cp); + try { + initial.load(is); + } finally { + is.close(); + } + } else { + System.out.printf("%s does not exist as File or in Classpath\n",value); + initial.setProperty(Config.CADI_PROP_FILES, value); + } + } else { + InputStream is = cadi_props.openStream(); + try { + initial.load(is); + } finally { + is.close(); + } + } + access = new PropAccess(initial); + } + props_ok = true; + if((perm_type = Config.logProp(access, "cass_group_name",null))==null) { + props_ok=false; + } else { + perm_type = perm_type + ".cass"; + } + + if((cluster_name = Config.logProp(access,"cass_cluster_name",null))==null) { + if((cluster_name = DatabaseDescriptor.getClusterName())==null) { + props_ok=false; + } + } + + if((default_realm = Config.logProp(access, Config.AAF_DEFAULT_REALM, null))==null) { + props_ok=false; + } + + if(props_ok==false) { + return; + } + + // AAFLur has pool of DME clients as needed, and Caches Client lookups + SecurityInfoC<HttpURLConnection> si = SecurityInfoC.instance(access, HttpURLConnection.class); + Lur lur = Config.configLur(si,aafcon); + // Loop through to find AAFLur out of possible Lurs, to reuse AAFCon + if(lur instanceof EpiLur) { + EpiLur elur = (EpiLur)lur; + for(int i=0; (lur = elur.get(i))!=null;++i) { + if(lur instanceof AbsAAFLur) { + aafLur=(AbsAAFLur<AAFPermission>)lur; + aafcon = aafLur.aaf; + aafAuthn = aafLur.aaf.newAuthn(aafLur); + break; + } else if(lur instanceof LocalLur) { + localLur = (LocalLur)lur; + } + } + } else if(lur instanceof AbsAAFLur) { + aafLur=(AbsAAFLur<AAFPermission>)lur; + aafcon = aafLur.aaf; + aafAuthn = aafLur.aaf.newAuthn(aafLur); + } + if(aafAuthn==null) { + access.log(Level.INIT,"Failed to instantiate full AAF access"); + props_ok = false; + } + } catch (Exception e) { + aafAuthn=null; + if(access!=null)access.log(e, "Failed to initialize AAF"); + props_ok = false; + } + } + } + + public Set<DataResource> protectedResources() { + access.log(Level.DEBUG, "Data Resource asked for: it's",dataResource.isEmpty()?"":"not","empty"); + return dataResource; + } + + public Set<IAuthenticator.Option> supportedOptions() { + access.log(Level.DEBUG, "supportedOptions() called"); + return options; + } + + public Set<IAuthenticator.Option> alterableOptions() { + access.log(Level.DEBUG, "alterableOptions() called"); + return options; + } + + +} |