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* and Distribution License("CDDL") (collectively, the "License"). You
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package fish.payara.microprofile.openapi.impl;
import static java.util.stream.Collectors.toSet;
import java.io.IOException;
import java.net.InetAddress;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.function.Supplier;
import java.util.logging.Logger;
import com.sun.enterprise.v3.server.ApplicationLifecycle;
import com.sun.enterprise.v3.services.impl.GrizzlyService;
import fish.payara.microprofile.openapi.impl.model.util.ModelUtils;
import org.eclipse.microprofile.openapi.models.OpenAPI;
import org.glassfish.api.admin.ServerEnvironment;
import org.glassfish.api.deployment.archive.ReadableArchive;
import org.glassfish.grizzly.config.dom.NetworkListener;
import org.glassfish.hk2.api.MultiException;
import org.glassfish.hk2.classmodel.reflect.Parser;
import org.glassfish.hk2.classmodel.reflect.Type;
import org.glassfish.hk2.classmodel.reflect.Types;
import org.glassfish.internal.api.Globals;
import org.glassfish.internal.api.ServerContext;
import org.glassfish.internal.deployment.analysis.StructuredDeploymentTracing;
import fish.payara.microprofile.openapi.impl.config.OpenApiConfiguration;
import fish.payara.microprofile.openapi.impl.model.OpenAPIImpl;
import fish.payara.microprofile.openapi.impl.processor.ApplicationProcessor;
import fish.payara.microprofile.openapi.impl.processor.BaseProcessor;
import fish.payara.microprofile.openapi.impl.processor.ConfigPropertyProcessor;
import fish.payara.microprofile.openapi.impl.processor.FileProcessor;
import fish.payara.microprofile.openapi.impl.processor.FilterProcessor;
import fish.payara.microprofile.openapi.impl.processor.ModelReaderProcessor;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Function;
import java.util.logging.Level;
import java.util.stream.Collectors;
public class OpenAPISupplier implements Supplier {
private static final Logger logger = Logger.getLogger(OpenAPISupplier.class.getName());
private final OpenApiConfiguration config;
private final String applicationId;
private final String contextRoot;
private final ReadableArchive archive;
private final ClassLoader classLoader;
private volatile OpenAPI document;
private boolean enabled;
public OpenAPISupplier(String applicationId, String contextRoot,
ReadableArchive archive, ClassLoader classLoader) {
this.config = new OpenApiConfiguration(classLoader);
this.applicationId = applicationId;
this.contextRoot = contextRoot;
this.archive = archive;
this.classLoader = classLoader;
this.enabled = true;
}
public void setEnabled(boolean enabled) {
this.enabled = enabled;
}
@Override
public synchronized OpenAPI get() {
if (this.document != null) {
return this.document;
}
if (!enabled) {
return null;
}
try {
// collect types from this WAR project, including WEB-INF/lib jars
Map types = collectTypesFromArchive(archive, applicationId);
// if configured to scan libs, scan libs of the parent EAR (if available)
if (config != null && config.getScanLib()) {
Map earLibTypes = collectEarLibTypes(archive.getParentArchive());
types.putAll(earLibTypes);
}
OpenAPI doc = new OpenAPIImpl();
try {
final List baseURLs = getServerURL(contextRoot);
doc = new ConfigPropertyProcessor().process(doc, config);
doc = new ModelReaderProcessor().process(doc, config);
doc = new FileProcessor(classLoader).process(doc, config);
doc = new ApplicationProcessor(
types,
filterTypes(archive, types, config != null && config.getScanLib()),
filterTypes(archive, types, false),
classLoader
).process(doc, config);
if (doc.getPaths() != null && !doc.getPaths().getPathItems().isEmpty()) {
((OpenAPIImpl) doc).setEndpoints(ModelUtils.buildEndpoints(null, contextRoot,
doc.getPaths().getPathItems().keySet()));
}
doc = new BaseProcessor(baseURLs).process(doc, config);
doc = new FilterProcessor().process(doc, config);
} finally {
this.document = doc;
}
return this.document;
} catch (Exception ex) {
throw new RuntimeException("An error occurred while creating the OpenAPI document.", ex);
}
}
private Map collectEarLibTypes(ReadableArchive parentArchive) {
Map earLibTypes = new HashMap<>();
if (parentArchive != null) {
Enumeration entries = parentArchive.entries();
while (entries.hasMoreElements()) {
String entry = entries.nextElement();
// scan only lib/*.jar libraries
if (entry.startsWith("lib/") && entry.endsWith(".jar")) {
try {
Map libTypes = collectTypesFromArchive(parentArchive.getSubArchive(entry),
applicationId + "-parent-" + entry);
earLibTypes.putAll(libTypes);
} catch (IOException ex) {
logger.log(Level.SEVERE, "Unable to parse EAR archive '" + entry + "': " + ex.getMessage(), ex);
}
}
}
}
return earLibTypes;
}
private Map collectTypesFromArchive(ReadableArchive archive, String entryId) throws IOException {
Map types = new HashMap<>();
Parser earLibParser;
earLibParser = Globals.get(ApplicationLifecycle.class).getDeployableParser(archive,
true,
true,
StructuredDeploymentTracing.create(entryId),
logger
);
types.putAll(typesToMap(earLibParser.getContext().getTypes(), archive.getURI()));
return types;
}
public static Map typesToMap(Types types, URI archive) {
return types.getAllTypes().stream()
// We only care about classes defined by the application. With the switch to OSGi R8 and allowing Felix
// to import/export JDK classes we need to filter out said JDK classes as (currently) HK2 does not do
// so for us. Collecting to a map based on name without filtering would lead to a conflict between
// the ClassModel and the 'xType' e.g. the ClassModel for the 'Enum' class and the 'EnumType'
// used for modelling things of type 'Enum' would both have the name 'java.lang.Enum'
.filter(type -> type.getDefiningURIs().stream().anyMatch(
definingUri -> definingUri.getPath().contains(archive.getPath())))
.collect(Collectors.toMap((t) -> t.getName(), Function.identity(), (first, second) -> {
logger.log(Level.FINE, "Duplicate type {0} detected while performing OpenAPI scanning, will use the first.",
first.getName());
logger.log(Level.FINER, "First duplicate type: {0}\n\nSecond duplicate type: {1}",
new Object[]{first.toString(), second.toString()});
return first;
}));
}
/**
* @return a list of all classes in the archive.
*/
private Set filterTypes(ReadableArchive archive, Map hk2Types, boolean scanLibs) {
Set types = new HashSet<>();
types.addAll(filterLibTypes(hk2Types, archive, scanLibs));
types.addAll(
Collections.list(archive.entries()).stream()
// Only use the classes
.filter(clazz -> clazz.endsWith(".class"))
// Remove the WEB-INF/classes and return the proper class name format
.map(clazz -> clazz.replaceAll("WEB-INF/classes/", "").replace("/", ".").replace(".class", ""))
// Fetch class type
.map(clazz -> hk2Types.get(clazz))
// Don't return null classes
.filter(Objects::nonNull)
.collect(toSet())
);
return config == null ? types : config.getValidClasses(types);
}
private Set filterLibTypes(
Map hk2Types,
ReadableArchive archive,
boolean scanLibs
) {
Set types = new HashSet<>();
if (scanLibs) {
// add libraries from WAR's /WEB-INF/lib/*.jar
addFoundClasses(archive, hk2Types, "WEB-INF/lib/", types);
// add here also EAR's /lib/*.jar
addFoundClasses(archive.getParentArchive(), hk2Types, "lib/", types);
}
return types;
}
private void addFoundClasses(ReadableArchive archiveToScan, Map hk2Types, String prefix, Set types) {
if (archiveToScan != null) {
Enumeration subArchiveItr = archiveToScan.entries();
while (subArchiveItr.hasMoreElements()) {
String subArchiveName = subArchiveItr.nextElement();
if (subArchiveName.startsWith(prefix) && subArchiveName.endsWith(".jar")) {
try {
ReadableArchive subArchive = archiveToScan.getSubArchive(subArchiveName);
types.addAll(
Collections.list(subArchive.entries())
.stream()
// Only use the classes
.filter(clazz -> clazz.endsWith(".class"))
// return the proper class name format
.map(clazz -> clazz.replace("/", ".").replace(".class", ""))
// Fetch class type
.map(clazz -> hk2Types.get(clazz))
// Don't return null classes
.filter(Objects::nonNull)
.collect(toSet())
);
} catch (IOException ex) {
throw new IllegalStateException(ex);
}
}
}
}
}
private List getServerURL(String contextRoot) {
List result = new ArrayList<>();
ServerContext context = Globals.get(ServerContext.class);
String hostName;
try {
hostName = InetAddress.getLocalHost().getCanonicalHostName();
} catch (UnknownHostException ex) {
hostName = "localhost";
}
String instanceType = Globals.get(ServerEnvironment.class).getRuntimeType().toString();
List httpPorts = new ArrayList<>();
List httpsPorts = new ArrayList<>();
List networkListeners = context.getConfigBean().getConfig().getNetworkConfig().getNetworkListeners().getNetworkListener();
String adminListener = context.getConfigBean().getConfig().getAdminListener().getName();
networkListeners
.stream()
.filter(networkListener -> Boolean.parseBoolean(networkListener.getEnabled()))
.forEach(networkListener -> {
int port;
try {
// get the dynamic config port
port = Globals.get(GrizzlyService.class).getRealPort(networkListener);
} catch (MultiException ex) {
// get the port in the domain xml
port = Integer.parseInt(networkListener.getPort());
}
// Check if this listener is using HTTP or HTTPS
boolean securityEnabled = Boolean.parseBoolean(networkListener.findProtocol().getSecurityEnabled());
List ports = securityEnabled ? httpsPorts : httpPorts;
// If this listener isn't the admin listener, it must be an HTTP/HTTPS listener
if (!networkListener.getName().equals(adminListener)) {
ports.add(port);
} else if (instanceType.equals("MICRO")) {
// micro instances can use the admin listener as both an admin and HTTP/HTTPS port
ports.add(port);
}
});
for (Integer httpPort : httpPorts) {
try {
result.add(new URL("http", hostName, httpPort, contextRoot));
} catch (MalformedURLException ex) {
// ignore
}
}
for (Integer httpsPort : httpsPorts) {
try {
result.add(new URL("https", hostName, httpsPort, contextRoot));
} catch (MalformedURLException ex) {
// ignore
}
}
return result;
}
}
