src/main/java/net/pterodactylus/sone/template/ProfileAccessor.java

   1 /*
   2  * Sone - ProfileAccessor.java - Copyright © 2011–2020 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.template;
  19
  20 import net.pterodactylus.sone.core.Core;
  21 import net.pterodactylus.sone.data.Profile;
  22 import net.pterodactylus.sone.data.Sone;
  23 import net.pterodactylus.sone.data.SoneOptions.LoadExternalContent;
  24 import net.pterodactylus.sone.freenet.wot.OwnIdentity;
  25 import net.pterodactylus.sone.freenet.wot.Trust;
  26 import net.pterodactylus.util.template.Accessor;
  27 import net.pterodactylus.util.template.ReflectionAccessor;
  28 import net.pterodactylus.util.template.TemplateContext;
  29
  30 /**
  31  * {@link Accessor} for {@link Profile} objects that overwrites the original
  32  * “avatar” member to include checks for whether the custom avatar should
  33  * actually be shown.
  34  */
  35 public class ProfileAccessor extends ReflectionAccessor {
  36
  37         /** The core. */
  38         private final Core core;
  39
  40         /**
  41          * Creates a new profile accessor.
  42          *
  43          * @param core
  44          *            The Sone core
  45          */
  46         public ProfileAccessor(Core core) {
  47                 this.core = core;
  48         }
  49
  50         /**
  51          * {@inheritDoc}
  52          */
  53         @Override
  54         public Object get(TemplateContext templateContext, Object object, String member) {
  55                 Profile profile = (Profile) object;
  56                 if ("avatar".equals(member)) {
  57                         Sone currentSone = (Sone) templateContext.get("currentSone");
  58                         if (currentSone == null) {
  59                                 /* not logged in? don’t show custom avatars, then. */
  60                                 return null;
  61                         }
  62                         String avatarId = profile.getAvatar();
  63                         if (avatarId == null) {
  64                                 return null;
  65                         }
  66                         if (core.getImage(avatarId, false) == null) {
  67                                 /* avatar ID but no matching image? show nothing. */
  68                                 return null;
  69                         }
  70                         Sone remoteSone = profile.getSone();
  71                         if (remoteSone.isLocal()) {
  72                                 /* always show your own avatars. */
  73                                 return avatarId;
  74                         }
  75                         LoadExternalContent showCustomAvatars = currentSone.getOptions().getShowCustomAvatars();
  76                         if (showCustomAvatars == LoadExternalContent.NEVER) {
  77                                 return null;
  78                         }
  79                         if (showCustomAvatars == LoadExternalContent.ALWAYS) {
  80                                 return avatarId;
  81                         }
  82                         if (showCustomAvatars == LoadExternalContent.FOLLOWED) {
  83                                 return currentSone.hasFriend(remoteSone.getId()) ? avatarId : null;
  84                         }
  85                         Trust trust = remoteSone.getIdentity().getTrust((OwnIdentity) currentSone.getIdentity());
  86                         if (trust == null) {
  87                                 return null;
  88                         }
  89                         if ((showCustomAvatars == LoadExternalContent.MANUALLY_TRUSTED) && (trust.getExplicit() != null) && (trust.getExplicit() > 0)) {
  90                                 return avatarId;
  91                         }
  92                         if ((showCustomAvatars == LoadExternalContent.TRUSTED) && (((trust.getExplicit() != null) && (trust.getExplicit() > 0)) || ((trust.getImplicit() != null) && (trust.getImplicit() > 0)))) {
  93                                 return avatarId;
  94                         }
  95                         return null;
  96                 }
  97                 return super.get(templateContext, object, member);
  98         }
  99
 100 }