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/*
* Copyright (C) 2008-2017, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.server.configuration;
import com.juick.server.www.HelpService;
import com.juick.service.TagService;
import com.juick.service.UserService;
import com.mitchellbosecke.pebble.PebbleEngine;
import com.mitchellbosecke.pebble.extension.FormatterExtension;
import com.mitchellbosecke.pebble.loader.ClasspathLoader;
import com.mitchellbosecke.pebble.loader.Loader;
import com.mitchellbosecke.pebble.spring.PebbleViewResolver;
import com.mitchellbosecke.pebble.spring.extension.SpringExtension;
import org.apache.commons.codec.CharEncoding;
import org.commonmark.ext.autolink.AutolinkExtension;
import org.commonmark.node.Link;
import org.commonmark.parser.Parser;
import org.commonmark.renderer.html.HtmlRenderer;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.caffeine.CaffeineCacheManager;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.CacheControl;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
import org.springframework.web.servlet.resource.VersionResourceResolver;
import javax.inject.Inject;
import java.net.MalformedURLException;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.concurrent.TimeUnit;
/**
* Created by aalexeev on 11/22/16.
*/
@Configuration
@EnableCaching
public class WwwAppConfiguration implements WebMvcConfigurer {
@Inject
private UserService userService;
@Inject
private TagService tagService;
@Value("${img_path:#{systemEnvironment['TEMP'] ?: '/tmp'}}")
private String imgDir;
@Bean
public CaffeineCacheManager cacheManager() {
return new CaffeineCacheManager("help");
}
@Bean
public HelpService helpService() {
return new HelpService("help");
}
@Bean
public Parser cmParser() {
return Parser.builder().extensions(Collections.singletonList(AutolinkExtension.create())).build();
}
@Bean
public HtmlRenderer helpRenderer() {
return HtmlRenderer.builder()
.attributeProviderFactory(context -> (node, tagName, attributes) -> {
if (node instanceof Link) {
Link link = (Link) node;
if (link.getDestination().startsWith("/")) {
String destination = "/" + helpService().getHelpPath() + link.getDestination();
link.setDestination(destination);
attributes.put("href", destination);
}
}
})
.build();
}
@Bean
public Loader templateLoader() {
return new ClasspathLoader();
}
@Bean
public SpringExtension springExtension() {
return new SpringExtension();
}
@Bean
public PebbleEngine pebbleEngine() {
boolean devToolsArePresent = false;
try {
Class.forName("org.springframework.boot.devtools.livereload.Connection");
devToolsArePresent = true;
} catch (ClassNotFoundException e) {
// release mode
}
return new PebbleEngine.Builder()
.loader(this.templateLoader())
.cacheActive(!devToolsArePresent)
.extension(springExtension())
.extension(new FormatterExtension())
.strictVariables(true)
.build();
}
@Bean
public ViewResolver viewResolver() {
PebbleViewResolver viewResolver = new PebbleViewResolver();
viewResolver.setPrefix("templates");
viewResolver.setSuffix(".html");
viewResolver.setPebbleEngine(pebbleEngine());
viewResolver.setCharacterEncoding(CharEncoding.UTF_8);
return viewResolver;
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
try {
registry
.addResourceHandler("/**", "/i/a/**")
.addResourceLocations("classpath:/static/", Paths.get(imgDir, "/a/").toUri().toURL().toString())
.setCacheControl(CacheControl.maxAge(365, TimeUnit.DAYS))
.resourceChain(false)
.addResolver(new VersionResourceResolver().addContentVersionStrategy("/**", "/i/a/**"));
} catch (MalformedURLException e) {
e.printStackTrace();
}
}
}
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