Paper/Spigot-API-Patches/0058-Profile-Lookup-Events.patch

From c836087cd8822e93732c4f292489a13b77223a89 Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 17 Jun 2017 16:30:44 -0400
Subject: [PATCH] Profile Lookup Events

Adds a Pre Lookup Event and a Post Lookup Event so that plugins may prefill in profile data, and cache the responses from
profiles that had to be looked up.

diff --git a/pom.xml b/pom.xml
index bd9146dd..44a8b2a5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -61,6 +61,13 @@
             <!-- Trove Provided by CraftBukkit -->
             <scope>provided</scope>
         </dependency>
+        <!-- Paper - Add Authlib for Profile API -->
+        <dependency>
+            <groupId>com.mojang</groupId>
+            <artifactId>authlib</artifactId>
+            <version>1.5.25</version> <!-- keep in sync with major MC versions -->
+            <scope>compile</scope> <!-- expose to Plugins -->
+        </dependency>
         <dependency>
             <groupId>co.aikar</groupId>
             <artifactId>fastutil-lite</artifactId>
diff --git a/src/main/java/com/destroystokyo/paper/event/profile/LookupProfileEvent.java b/src/main/java/com/destroystokyo/paper/event/profile/LookupProfileEvent.java
new file mode 100644
index 00000000..3b6995a7
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/profile/LookupProfileEvent.java
@@ -0,0 +1,55 @@
+package com.destroystokyo.paper.event.profile;
+
+import com.destroystokyo.paper.profile.PlayerProfile;
+import com.mojang.authlib.GameProfile;
+import org.bukkit.Bukkit;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+import javax.annotation.Nonnull;
+
+/**
+ * Allows a plugin to be notified anytime AFTER a Profile has been looked up from the Mojang API
+ * This is an opportunity to view the response and potentially cache things.
+ *
+ * No guarantees are made about thread execution context for this event. If you need to know, check
+ * event.isAsync()
+ */
+public class LookupProfileEvent extends Event {
+
+    private static final HandlerList handlers = new HandlerList();
+
+    private final PlayerProfile profile;
+
+    public LookupProfileEvent(@Nonnull PlayerProfile profile) {
+        super(!Bukkit.isPrimaryThread());
+        this.profile = profile;
+    }
+
+    /**
+     * @return The profile that was recently looked up. This profile can be mutated
+     * @deprecated will be removed with 1.13, use {@link #getPlayerProfile()}
+     */
+    @Deprecated
+    @Nonnull
+    public GameProfile getProfile() {
+        return profile.getGameProfile();
+    }
+
+    /**
+     * @return The profile that was recently looked up. This profile can be mutated
+     */
+    @Nonnull
+    public PlayerProfile getPlayerProfile() {
+        return profile;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}
diff --git a/src/main/java/com/destroystokyo/paper/event/profile/PreLookupProfileEvent.java b/src/main/java/com/destroystokyo/paper/event/profile/PreLookupProfileEvent.java
new file mode 100644
index 00000000..aa0666d5
--- /dev/null
+++ b/src/main/java/com/destroystokyo/paper/event/profile/PreLookupProfileEvent.java
@@ -0,0 +1,149 @@
+package com.destroystokyo.paper.event.profile;
+
+import com.destroystokyo.paper.profile.PlayerProfile;
+import com.destroystokyo.paper.profile.ProfileProperty;
+import com.google.common.collect.ArrayListMultimap;
+import com.google.common.collect.Multimap;
+import com.mojang.authlib.properties.Property;
+import org.bukkit.Bukkit;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+import javax.annotation.Nonnull;
+import javax.annotation.Nullable;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * Allows a plugin to intercept a Profile Lookup for a Profile by name
+ *
+ * At the point of event fire, the UUID and properties are unset.
+ *
+ * If a plugin sets the UUID, and optionally the properties, the API call to look up the profile may be skipped.
+ *
+ * No guarantees are made about thread execution context for this event. If you need to know, check
+ * event.isAsync()
+ */
+public class PreLookupProfileEvent extends Event {
+
+    private static final HandlerList handlers = new HandlerList();
+    private final String name;
+    private UUID uuid;
+    private Set<ProfileProperty> properties = new HashSet<>();
+
+    public PreLookupProfileEvent(@Nonnull String name) {
+        super(!Bukkit.isPrimaryThread());
+        this.name = name;
+    }
+
+    /**
+     * @return Name of the profile
+     */
+    @Nonnull
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * If this value is left null by the completion of the event call, then the server will
+     * trigger a call to the Mojang API to look up the UUID (Network Request), and subsequently, fire a
+     * {@link LookupProfileEvent}
+     *
+     * @return The UUID of the profile if it has already been provided by a plugin
+     */
+    @Nullable
+    public UUID getUUID() {
+        return uuid;
+    }
+
+    /**
+     * Sets the UUID for this player name. This will skip the initial API call to find the players UUID.
+     *
+     * However, if Profile Properties are needed by the server, you must also set them or else an API call might still be made.
+     *
+     * @param uuid the UUID to set for the profile or null to reset
+     */
+    public void setUUID(@Nullable UUID uuid) {
+        this.uuid = uuid;
+    }
+
+    /**
+     * Get the properties for this profile
+     *
+     * @return the property map to attach to the new {@link PlayerProfile}
+     * @deprecated will be removed with 1.13  Use {@link #getProfileProperties()}
+     */
+    @Deprecated
+    @Nonnull
+    public Multimap<String, Property> getProperties() {
+        Multimap<String, Property> props = ArrayListMultimap.create();
+
+        for (ProfileProperty property : properties) {
+            props.put(property.getName(), new Property(property.getName(), property.getValue(), property.getSignature()));
+        }
+        return props;
+    }
+
+    /**
+     * Completely replaces all Properties with the new provided properties
+     * @param properties the properties to set on the new profile
+     * @deprecated will be removed with 1.13 Use {@link #setProfileProperties(Set)}
+     */
+    @Deprecated
+    public void setProperties(Multimap<String, Property> properties) {
+        this.properties = new HashSet<>();
+        properties.values().forEach(property -> {
+            this.properties.add(new ProfileProperty(property.getName(), property.getValue(), property.getSignature()));
+        });
+    }
+
+    /**
+     * Adds additional properties, without removing the original properties
+     * @param properties the properties to add to the existing properties
+     * @deprecated will be removed with 1.13 use {@link #addProfileProperties(Set)}
+     */
+    @Deprecated
+    public void addProperties(Multimap<String, Property> properties) {
+        properties.values().forEach(property -> {
+            this.properties.add(new ProfileProperty(property.getName(), property.getValue(), property.getSignature()));
+        });
+    }
+
+    /**
+     * @return The currently pending prepopulated properties.
+     * Any property in this Set will be automatically prefilled on this Profile
+     */
+    public Set<ProfileProperty> getProfileProperties() {
+        return this.properties;
+    }
+
+    /**
+     * Clears any existing prepopulated properties and uses the supplied properties
+     * Any property in this Set will be automatically prefilled on this Profile
+     * @param properties The properties to add
+     */
+    public void setProfileProperties(Set<ProfileProperty> properties) {
+        this.properties = new HashSet<>();
+        this.properties.addAll(properties);
+    }
+
+    /**
+     * Adds any properties currently missing to the prepopulated properties set, replacing any that already were set.
+     * Any property in this Set will be automatically prefilled on this Profile
+     * @param properties The properties to add
+     */
+    public void addProfileProperties(Set<ProfileProperty> properties) {
+        this.properties.addAll(properties);
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+
+}
-- 
2.18.0