125 lines
5.0 KiB
Java
125 lines
5.0 KiB
Java
/*
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* This file is part of Player Analytics (Plan).
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*
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* Plan is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License v3 as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Plan is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Plan. If not, see <https://www.gnu.org/licenses/>.
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*/
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package com.djrapitops.plan.delivery.web;
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import com.djrapitops.plan.delivery.web.resolver.Resolver;
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import com.djrapitops.plan.delivery.web.resolver.request.Request;
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import java.util.List;
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import java.util.Optional;
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import java.util.concurrent.CompletableFuture;
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import java.util.concurrent.atomic.AtomicReference;
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import java.util.regex.Pattern;
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/**
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* Service for modifying webserver request resolution.
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* <p>
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* It is recommended to use plugin based namespace in your custom targets,
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* eg. "/flyplugin/flying" to avoid collisions with other plugins.
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* You can also use {@link #getResolver(String)} to check if target already has a resolver.
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*
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* @author AuroraLS3
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*/
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public interface ResolverService {
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static ResolverService getInstance() {
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return Optional.ofNullable(ResolverService.Holder.service.get())
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.orElseThrow(() -> new IllegalStateException("ResolverService has not been initialised yet."));
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}
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/**
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* Register a new resolver.
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*
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* @param pluginName Name of the plugin that is registering (For error messages)
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* @param start Start of the target to match against, eg "/example" will send "/example/target" etc to the Resolver.
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* @param resolver {@link Resolver} to use for this
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* @throws IllegalArgumentException If pluginName is null or empty.
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*/
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void registerResolver(String pluginName, String start, Resolver resolver);
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/**
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* Register a new resolver with regex that matches start of target.
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* <p>
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* NOTICE: It is recommended to avoid too generic regex like "/.*" to not override existing resolvers.
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* <p>
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* Parameters (?param=value) are not included in the regex matching.
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*
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* @param pluginName Name of the plugin that is registering (For error messages)
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* @param pattern Regex Pattern, "/example.*" will send "/exampletarget" etc to the Resolver.
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* @param resolver {@link Resolver} to use for this.
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* @throws IllegalArgumentException If pluginName is null or empty.
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*/
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void registerResolverForMatches(String pluginName, Pattern pattern, Resolver resolver);
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/**
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* Register a new permission that you are using in your {@link Resolver#canAccess(Request)} method.
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* <p>
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* The permissions are not given to any users by default, and need to be given by admin manually.
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*
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* @param webPermissions Permission strings, higher level permissions grant lower level automatically - eg. page.foo also grants page.foo.bar
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* @return CompletableFuture that tells when the permissions have been stored.
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*/
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CompletableFuture<Void> registerPermissions(String... webPermissions);
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/**
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* Register a new permission that you are using in your {@link Resolver#canAccess(Request)} method.
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* <p>
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* The permission is granted to any groups with {@code whenHasPermission} parameter.
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*
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* @param webPermission Permission string, higher level permissions grant lower level automatically - eg. page.foo also grants page.foo.bar
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* @param whenHasPermission Permission that a group already has that this permission should be granted to - eg. page.network.overview.numbers
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*/
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void registerPermission(String webPermission, String whenHasPermission);
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/**
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* Obtain a {@link Resolver} for a target.
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* <p>
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* First matching resolver will be returned.
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* {@link #registerResolver} resolvers have higher priority than {@link #registerResolverForMatches}.
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* <p>
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* Can be used when making Resolver middleware.
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*
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* @param target "/example/target"
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* @return Resolver if registered or empty.
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*/
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Optional<Resolver> getResolver(String target);
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/**
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* Obtain all Resolvers that match the target.
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* <p>
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* If first returns Optional.empty next one should be used.
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* <p>
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* Requires Capability PAGE_EXTENSION_RESOLVERS_LIST.
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*
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* @param target "/example/target"
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* @return List of Resolvers if registered or empty list.
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*/
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List<Resolver> getResolvers(String target);
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class Holder {
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static final AtomicReference<ResolverService> service = new AtomicReference<>();
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private Holder() {
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/* Static variable holder */
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}
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static void set(ResolverService service) {
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ResolverService.Holder.service.set(service);
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}
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}
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}
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