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/*
* Copyright (C) 2008-2023, 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.www.api;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.databind.PropertyNamingStrategies;
import com.fasterxml.jackson.databind.annotation.JsonNaming;
import com.juick.ActivityPubManager;
import com.juick.model.Chat;
import com.juick.model.Message;
import com.juick.model.User;
import com.juick.service.ChatService;
import com.juick.service.MessagesService;
import com.juick.service.TagService;
import com.juick.service.UserService;
import com.juick.util.HttpBadRequestException;
import com.juick.util.MessageUtils;
import com.juick.www.WebApp;
import com.juick.www.api.activity.helpers.ProfileUriBuilder;
import jakarta.validation.Valid;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.security.oauth2.core.AuthorizationGrantType;
import org.springframework.security.oauth2.core.ClientAuthenticationMethod;
import org.springframework.security.oauth2.server.authorization.client.RegisteredClient;
import org.springframework.security.oauth2.server.authorization.client.RegisteredClientRepository;
import org.springframework.security.oauth2.server.authorization.settings.ClientSettings;
import org.springframework.security.oauth2.server.authorization.settings.TokenSettings;
import org.springframework.web.bind.annotation.*;
import javax.inject.Inject;
import java.time.Duration;
import java.time.Instant;
import java.util.*;
import java.util.stream.Collectors;
import java.util.stream.Stream;
@RestController
public class Mastodon {
@Value("${web_domain:localhost}")
private String domain;
@Inject
WebApp webApp;
@Inject
UserService userService;
@Inject
RegisteredClientRepository registeredClientRepository;
@Inject
TagService tagService;
@Inject
ChatService chatService;
@Inject
MessagesService messagesService;
@Inject
User serviceUser;
@Inject
ActivityPubManager activityPubManager;
@Inject
ProfileUriBuilder profileUriBuilder;
public record ApplicationRequest(
@JsonProperty("client_name") String clientName,
@JsonProperty("redirect_uris") String redirectUris,
@JsonProperty("scopes") String scopes) {
}
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public record ApplicationResponse(String id,
String name,
String redirectUri,
String clientId,
String clientSecret) {
}
public record AccountSource(String privacy) {}
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public record CredentialAccount(String id, String username, String acct,
String displayName,
Integer followersCount,
Integer followingCount,
String avatar,
String avatarStatic,
AccountSource source) {
}
private Collection<String> parseScopes(String s) {
return s != null ? Arrays.asList(s.split(" ")) : Collections.emptyList();
}
private ApplicationResponse registerApp(String clientName, String redirectUri, String scopes) {
var secret = UUID.randomUUID().toString();
RegisteredClient registeredClient = RegisteredClient.withId(UUID.randomUUID().toString())
.clientId(UUID.randomUUID().toString())
.clientSecret("{noop}" + secret)
.clientName(clientName)
.clientAuthenticationMethods(coll -> coll.addAll(List.of(
ClientAuthenticationMethod.CLIENT_SECRET_POST,
ClientAuthenticationMethod.CLIENT_SECRET_BASIC)))
.authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE)
.redirectUri(redirectUri)
.scopes((coll) -> coll.addAll(parseScopes(scopes)))
.tokenSettings(TokenSettings.builder().accessTokenTimeToLive(Duration.ofDays(365)).build())
.clientSettings(ClientSettings.builder().requireAuthorizationConsent(true).build()).build();
registeredClientRepository.save(registeredClient);
return new ApplicationResponse(
registeredClient.getId(),
registeredClient.getClientName(),
String.join(",", registeredClient.getRedirectUris()),
registeredClient.getClientId(),
secret);
}
@PostMapping(value = "/api/v1/apps", consumes = {MediaType.APPLICATION_JSON_VALUE})
public ApplicationResponse apps(@RequestBody @Valid ApplicationRequest application) {
return registerApp(application.clientName(), application.redirectUris(), application.scopes());
}
@PostMapping(value = "/api/v1/apps", consumes = {MediaType.APPLICATION_FORM_URLENCODED_VALUE,
MediaType.MULTIPART_FORM_DATA_VALUE})
public ApplicationResponse apps(@RequestParam("client_name") String clientName,
@RequestParam("redirect_uris") String redirectUris,
@RequestParam("scopes") String scopes) {
return registerApp(clientName, redirectUris, scopes);
}
public record Contact(
String email,
CredentialAccount account
) {
}
public record Instance(
String uri,
String title,
String description,
String version,
String email
) {
}
@GetMapping({"/api/v1/instance", "/api/v2/instance"})
public Instance getInstance() {
return new Instance(domain, "Microblogging service", "Juick", "2.x","support@juick.com");
}
@GetMapping("/api/v1/accounts/verify_credentials")
public CredentialAccount account(@ModelAttribute User visitor) {
return toAccount(visitor);
}
@GetMapping({"/api/v1/announcements", "/api/v1/lists", "/api/v1/custom_emojis", "/api/v1/notifications"})
public ResponseEntity<List<Void>> arrayStubs() {
return new ResponseEntity<>(List.of(), HttpStatus.OK);
}
public record Preferences() {
}
;
@GetMapping("/api/v1/preferences")
public Preferences preferences() {
return new Preferences();
}
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public record Filter(String id, String phrase, List<String> context,
Instant expiresAt, Boolean irreversible,
Boolean wholeWord) {
}
@GetMapping("/api/v1/filters")
public List<Filter> filters() {
return List.of();
}
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public record Relationship(String id, Boolean following, Boolean showingReblogs,
Boolean notyfing, Boolean followingBy, Boolean blocked, Boolean blockedBy,
Boolean muting, Boolean mutingNotifications, Boolean requested, Boolean domainBlocking,
Boolean endorsed, String note) {
}
private Relationship findRelationships(String visitorId, String userId) {
User user = userService.getUserByUID(Integer.parseInt(userId)).orElseThrow(HttpBadRequestException::new);
var readers = userService.getUserReaders(Integer.parseInt(visitorId));
var friends = userService.getUserFriends(Integer.parseInt(visitorId));
var bl = userService.getUserBLUsers(Integer.parseInt(visitorId));
var isFriend = friends.contains(user);
var isReader = readers.contains(user);
var isMuting = bl.contains(user);
return new Relationship(userId,
isFriend, isFriend, isFriend, isReader, false, false,
isMuting, isMuting, false,
false, false, "");
}
@GetMapping("/api/v1/accounts/relationships")
public List<Relationship> relationships(@ModelAttribute User visitor, @RequestParam(value = "id[]") String[] ids) {
return Stream.of(ids).map(
id -> findRelationships(String.valueOf(visitor.getUid()), id)
).collect(Collectors.toList());
}
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public record Status(String id, Instant createdAt, CredentialAccount account, String inReplyToId, String inReplyToAccountId,
Boolean sensitive, String spoilerText, String visibility, String content,
List<Image> mediaAttachments) {
}
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public record Conversation(
String id,
Boolean unread,
List<CredentialAccount> accounts,
Status lastStatus
) {
}
public CredentialAccount toAccount(User user) {
return new CredentialAccount(
String.valueOf(user.getUid()),
user.getName(),
user.getName(),
user.getFullName(),
userService.getUserReaders(user.getUid()).size(),
userService.getUserFriends(user.getUid()).size(),
webApp.getAvatarUrl(user), webApp.getAvatarUrl(user),
new AccountSource("public")
);
}
public Status mapLastMessage(Chat chat) {
return new Status(
String.valueOf(chat.getLastMessageTimestamp().toEpochMilli()),
chat.getLastMessageTimestamp(),
toAccount(chat),
null,
null,
false,
"",
"direct",
chat.getLastMessageText(),
List.of()
);
}
public Conversation toConversation(Chat chat) {
return new Conversation(
String.valueOf(chat.getUid()),
chat.getUnread() != null && chat.getUnread().size() > 0,
List.of(toAccount(chat)),
mapLastMessage(chat));
}
@JsonNaming(PropertyNamingStrategies.SnakeCaseStrategy.class)
public record Image(String id, String type, String url, String previewUrl) {
}
@GetMapping("/api/v1/conversations")
public List<Conversation> conversations(@ModelAttribute User visitor) {
return chatService.getLastChats(visitor).stream().map(
this::toConversation
).collect(Collectors.toList());
}
public Status toStatus(Message message) {
List<Image> attachments = StringUtils.isNotBlank(message.getAttachmentType())
? List.of(new Image(
message.getAttachment().getUrl(),
"image",
message.getAttachment().getUrl(),
message.getAttachment().getMedium().getUrl()
))
: List.of();
return new Status(
String.valueOf(message.getMid()),
message.getCreated(),
toAccount(message.getUser()),
null,
null,
MessageUtils.isSensitive(message),
"",
"public",
activityPubManager.htmlLayout(message, profileUriBuilder.baseUri()),
attachments
);
}
@GetMapping("/api/v1/timelines/{timeline}")
public List<Status> publicTimeline(@ModelAttribute User visitor,
@PathVariable String timeline,
@RequestParam(value = "max_id", required = false, defaultValue = "0") int before,
@RequestParam(value = "only_media", required = false, defaultValue = "false") Boolean media) {
List<Integer> mids = List.of();
if (timeline.equals("public")) {
if (media) {
mids = messagesService.getPhotos(visitor.getUid(), before);
} else {
mids = messagesService.getAll(visitor.getUid(), before);
}
} else if (timeline.equals("home")) {
mids = messagesService.getMyFeed(visitor.getUid(), before, true);
}
return messagesService.getMessages(visitor, mids).stream()
.map(m -> {
m.getUser().setAvatar(webApp.getAvatarUrl(m.getUser()));
return toStatus(m);
})
.collect(Collectors.toList());
}
}
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