net.dv8tion.jda.api.entities.Webhook Maven / Gradle / Ivy
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/*
* Copyright 2015 Austin Keener, Michael Ritter, Florian Spieß, and the JDA contributors
*
* 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.
*/
package net.dv8tion.jda.api.entities;
import net.dv8tion.jda.api.JDA;
import net.dv8tion.jda.api.entities.channel.concrete.TextChannel;
import net.dv8tion.jda.api.entities.channel.concrete.ThreadChannel;
import net.dv8tion.jda.api.entities.channel.unions.IWebhookContainerUnion;
import net.dv8tion.jda.api.managers.WebhookManager;
import net.dv8tion.jda.api.requests.RestAction;
import net.dv8tion.jda.api.requests.Route;
import net.dv8tion.jda.api.requests.restaction.AuditableRestAction;
import net.dv8tion.jda.internal.requests.RestActionImpl;
import javax.annotation.CheckReturnValue;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.regex.Pattern;
/**
* An object representing Webhooks in Discord
*
* @since 3.0
*
* @see TextChannel#retrieveWebhooks()
* @see Guild#retrieveWebhooks()
* @see JDA#retrieveWebhookById(String)
*/
public interface Webhook extends ISnowflake, WebhookClient
{
/**
* Pattern for a Webhook URL.
*
* Groups
*
*
*
* Index
* Name
* Description
*
*
* 0
* N/A
* The entire link
*
*
* 1
* id
* The ID of the webhook
*
*
* 2
* token
* The token of the webhook
*
*
*
* You can use the names with {@link java.util.regex.Matcher#group(String) Matcher.group(String)}
* and the index with {@link java.util.regex.Matcher#group(int) Matcher.group(int)}.
*/
Pattern WEBHOOK_URL = Pattern.compile("https?://(?:[^\\s.]+\\.)?discord(?:app)?\\.com/api(?:/v\\d+)?/webhooks/(?\\d+)/(?[^\\s/]+)", Pattern.CASE_INSENSITIVE);
/**
* The JDA instance of this Webhook.
*
* @return The current JDA instance of this Webhook
*/
@Nonnull
JDA getJDA();
/**
* The {@link WebhookType} of this webhook.
*
Webhooks of type {@link WebhookType#FOLLOWER} don't have a token.
*
* @return The {@link WebhookType}
*/
@Nonnull
WebhookType getType();
/**
* Whether this webhook cannot provide {@link #getChannel()} and {@link #getGuild()}.
*
This means that the webhook is not local to this shard's cache and cannot provide full channel/guild references.
*
* @return True, if {@link #getChannel()} and {@link #getGuild()} would throw
*/
boolean isPartial();
/**
* The {@link net.dv8tion.jda.api.entities.Guild Guild} instance
* for this Webhook.
*
This is a shortcut for {@link #getChannel()}.getGuild().
*
* @throws IllegalStateException
* If this webhooks {@link #isPartial() is partial}
*
* @return The current Guild of this Webhook
*/
@Nonnull
Guild getGuild();
/**
* The {@link net.dv8tion.jda.api.entities.channel.attribute.IWebhookContainer channel} instance this Webhook is attached to.
* Webhooks are created on specific channels so that they can interact with that channel.
* With regard to {@link ThreadChannel threads}, Webhooks are attached to their {@link net.dv8tion.jda.api.entities.channel.attribute.IThreadContainer parent channel}
* and then the Webhooks can post to the {@link net.dv8tion.jda.api.entities.channel.attribute.IThreadContainer parent} and the {@link ThreadChannel thread} too.
*
* @throws IllegalStateException
* If this webhooks {@link #isPartial() is partial}
*
* @return The current {@link net.dv8tion.jda.api.entities.channel.attribute.IWebhookContainer channel} that this webhook is attached to.
*/
@Nonnull
//TODO-v5: Should we introduce StandardIWebhookContainer? (IWebhookContainer + StandardGuildChannel)
IWebhookContainerUnion getChannel();
/**
* The owner of this Webhook. This will be null for some Webhooks, such as those retrieved from Audit Logs.
*
This requires the member to be cached. You can use {@link #getOwnerAsUser()} to get a reference to the user instead.
*
* @return Possibly-null {@link net.dv8tion.jda.api.entities.Member Member} instance
* representing the owner of this Webhook.
*/
@Nullable
Member getOwner();
/**
* The owner of this Webhook. This will be null for some Webhooks, such as those retrieved from Audit Logs.
*
This can be non-null even when {@link #getOwner()} is null. {@link #getOwner()} requires the webhook to be local to this shard and in cache.
*
* @return Possibly-null {@link net.dv8tion.jda.api.entities.User User} instance
* representing the owner of this Webhook.
*/
@Nullable
User getOwnerAsUser();
/**
* The default User for this Webhook.
*
* The {@link net.dv8tion.jda.api.entities.User User} returned is always fake and cannot be interacted with.
*
This User is used for all messages posted to the Webhook route (found in {@link #getUrl()}),
* it holds the default references for the message authors of messages by this Webhook.
*
*
When {@code POST}ing to a Webhook route the name/avatar of this default user
* can be overridden.
*
* @return A fake {@link net.dv8tion.jda.api.entities.User User} instance
* representing the default webhook user.
*
* @see Execute Webhook Docs
*/
@Nonnull
User getDefaultUser();
/**
* The name of this Webhook.
*
This will be displayed by default as the author name
* of every message by this Webhook.
*
*
This is a shortcut for {@link #getDefaultUser()}.getName().
*
* @return The name of this Webhook
*/
@Nonnull
String getName();
/**
* The execute token for this Webhook.
*
This can be used to modify/delete/execute
* this Webhook.
*
*
Note: Some Webhooks, such as those retrieved from Audit Logs, do not contain a token
*
* @return The execute token for this Webhook
*/
@Nullable
String getToken();
/**
* The {@code POST} route for this Webhook.
*
This contains the {@link #getToken() token} and {@link #getId() id}
* of this Webhook. Some Webhooks without tokens (such as those retrieved from Audit Logs)
* will return a URL without a token.
*
*
The route returned by this method does not need permission checks
* to be executed.
*
It is implied that Webhook messages always have all permissions
* including {@link net.dv8tion.jda.api.Permission#MESSAGE_MENTION_EVERYONE mentioning everyone}.
*
*
Webhook executions are limited with 5 requests per second.
* The response contains rate limit headers that should be handled
* by execution frameworks. (Learn More)
*
* @return The execution route for this Webhook.
*/
@Nonnull
String getUrl();
/**
* The source channel for a Webhook of type {@link WebhookType#FOLLOWER FOLLOWER}.
*
* @return {@link ChannelReference}
*/
@Nullable
ChannelReference getSourceChannel();
/**
* The source guild for a Webhook of type {@link WebhookType#FOLLOWER FOLLOWER}.
*
* @return {@link GuildReference}
*/
@Nullable
GuildReference getSourceGuild();
/**
* Deletes this Webhook.
*
*
The following {@link net.dv8tion.jda.api.requests.ErrorResponse ErrorResponses} are possible:
*
* - {@link net.dv8tion.jda.api.requests.ErrorResponse#MISSING_ACCESS MISSING_ACCESS}
*
The delete was attempted after the account lost permission to view the channel.
*
* - {@link net.dv8tion.jda.api.requests.ErrorResponse#MISSING_PERMISSIONS MISSING_PERMISSIONS}
*
The delete was attempted after the account lost {@link net.dv8tion.jda.api.Permission#MANAGE_WEBHOOKS Permission.MANAGE_WEBHOOKS} in
* the channel.
*
* - {@link net.dv8tion.jda.api.requests.ErrorResponse#UNKNOWN_WEBHOOK UNKNOWN_WEBHOOK}
*
The delete was attempted after the Webhook had already been deleted.
*
*
* @throws net.dv8tion.jda.api.exceptions.InsufficientPermissionException
* If the Webhook does not have a token, such as the Webhooks retrieved from Audit Logs and the currently
* logged in account does not have {@link net.dv8tion.jda.api.Permission#MANAGE_WEBHOOKS} in this channel.
*
* @return {@link net.dv8tion.jda.api.requests.restaction.AuditableRestAction AuditableRestAction}
*
The rest action to delete this Webhook.
*/
@Nonnull
@CheckReturnValue
AuditableRestAction delete();
/**
* Deletes this Webhook.
*
* The following {@link net.dv8tion.jda.api.requests.ErrorResponse ErrorResponses} are possible:
*
* - {@link net.dv8tion.jda.api.requests.ErrorResponse#MISSING_ACCESS MISSING_ACCESS}
*
The delete was attempted after the account lost permission to view the channel.
*
* - {@link net.dv8tion.jda.api.requests.ErrorResponse#MISSING_PERMISSIONS MISSING_PERMISSIONS}
*
The delete was attempted after the account lost {@link net.dv8tion.jda.api.Permission#MANAGE_WEBHOOKS Permission.MANAGE_WEBHOOKS} in
* the channel.
*
* - {@link net.dv8tion.jda.api.requests.ErrorResponse#UNKNOWN_WEBHOOK UNKNOWN_WEBHOOK}
*
The delete was attempted after the Webhook had already been deleted.
*
* - {@link net.dv8tion.jda.api.requests.ErrorResponse#INVALID_WEBHOOK_TOKEN INVALID_WEBHOOK_TOKEN}
*
If the provided webhook token is not valid.
*
*
* @param token
* The webhook token (this is not the bot authorization token!)
*
* @throws IllegalArgumentException
* If the provided token is null
*
* @return {@link net.dv8tion.jda.api.requests.restaction.AuditableRestAction AuditableRestAction}
*
The rest action to delete this Webhook.
*
* @since 4.0.0
*/
@Nonnull
@CheckReturnValue
AuditableRestAction delete(@Nonnull String token);
/**
* The {@link WebhookManager WebhookManager} for this Webhook.
*
You can modify multiple fields in one request by chaining setters before calling {@link net.dv8tion.jda.api.requests.RestAction#queue() RestAction.queue()}.
*
* @throws net.dv8tion.jda.api.exceptions.InsufficientPermissionException
* If the currently logged in account does not have {@link net.dv8tion.jda.api.Permission#MANAGE_WEBHOOKS Permission.MANAGE_WEBHOOKS}
*
* @return The {@link WebhookManager WebhookManager} for this Webhook
*/
@Nonnull
@CheckReturnValue
WebhookManager getManager();
/**
* Partial Webhook which can be {@link #resolve() resolved} to a {@link Webhook}.
*
* @see #resolve()
*/
class WebhookReference implements ISnowflake
{
private final JDA api;
private final long webhookId, channelId;
public WebhookReference(JDA api, long webhookId, long channelId)
{
this.api = api;
this.webhookId = webhookId;
this.channelId = channelId;
}
@Override
public long getIdLong()
{
return webhookId;
}
/**
* The ID for the channel this webhook belongs to
*
* @return The ID for the channel this webhook belongs to
*/
@Nonnull
public String getChannelId()
{
return Long.toUnsignedString(channelId);
}
/**
* The ID for the channel this webhook belongs to
*
* @return The ID for the channel this webhook belongs to
*/
public long getChannelIdLong()
{
return channelId;
}
/**
* Resolves this reference to a {@link Webhook} instance.
*
The resulting instance may not provide a {@link #getChannel()} and {@link #getGuild()} due to API limitation.
*
* The resulting webhook can also not be executed because the API does not provide a token.
*
* @return {@link RestAction} - Type: {@link Webhook}
*/
@Nonnull
@CheckReturnValue
public RestAction resolve()
{
Route.CompiledRoute route = Route.Webhooks.GET_WEBHOOK.compile(getId());
return new RestActionImpl<>(api, route,
(response, request) -> request.getJDA().getEntityBuilder().createWebhook(response.getObject(), true));
}
}
/**
* Partial Channel which references the source channel for a follower webhook.
*/
class ChannelReference implements ISnowflake
{
private final long id;
private final String name;
public ChannelReference(long id, String name)
{
this.id = id;
this.name = name;
}
@Override
public long getIdLong()
{
return id;
}
/**
* The source channel's name
*
* @return The channel name
*/
@Nonnull
public String getName()
{
return name;
}
}
/**
* Partial Guild which references the source guild for a follower webhook.
*/
class GuildReference implements ISnowflake
{
private final long id;
private final String name;
public GuildReference(long id, String name)
{
this.id = id;
this.name = name;
}
@Override
public long getIdLong()
{
return id;
}
/**
* The source guild's name
*
* @return The guild name
*/
@Nonnull
public String getName()
{
return name;
}
}
}