X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Ffreenet%2Fwot%2FIdentityLoader.kt;fp=src%2Fmain%2Fkotlin%2Fnet%2Fpterodactylus%2Fsone%2Ffreenet%2Fwot%2FIdentityLoader.kt;h=f9019d0dfa187608f75a8b2fa48d8950c2def918;hp=0000000000000000000000000000000000000000;hb=d50730f6a330439e0e7ef97ca9329dffe72d5640;hpb=97fe04482ebb8a08e43294acde041c2975cbd8ee

diff --git a/src/main/kotlin/net/pterodactylus/sone/freenet/wot/IdentityLoader.kt b/src/main/kotlin/net/pterodactylus/sone/freenet/wot/IdentityLoader.kt
new file mode 100644
index 0000000..f9019d0
--- /dev/null
+++ b/src/main/kotlin/net/pterodactylus/sone/freenet/wot/IdentityLoader.kt
@@ -0,0 +1,64 @@
+/*
+ * Sone - IdentityLoader.java - Copyright © 2013–2019 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.freenet.wot
+
+import com.google.common.base.*
+import com.google.inject.*
+import net.pterodactylus.sone.freenet.plugin.*
+import java.util.concurrent.TimeUnit.*
+import java.util.logging.*
+
+/**
+ * Loads [OwnIdentity]s and the [Identity]s they trust.
+ */
+class IdentityLoader @Inject constructor(private val webOfTrustConnector: WebOfTrustConnector, private val context: Context? = null) {
+
+	private val logger: Logger = Logger.getLogger(IdentityLoader::class.java.name)
+
+	@Throws(WebOfTrustException::class)
+	fun loadIdentities() =
+			time({ stopwatch, identities -> "Loaded ${identities.size} own identities in ${stopwatch.elapsed(MILLISECONDS) / 1000.0}s." }) {
+				webOfTrustConnector.loadAllOwnIdentities()
+			}.let(this::loadTrustedIdentitiesForOwnIdentities)
+
+	@Throws(PluginException::class)
+	private fun loadTrustedIdentitiesForOwnIdentities(ownIdentities: Collection<OwnIdentity>) =
+			ownIdentities
+					.also { logger.fine { "Getting trusted identities for ${it.size} own identities..." } }
+					.associateWith { ownIdentity ->
+						logger.fine { "Getting trusted identities for $ownIdentity..." }
+						if (ownIdentity.doesNotHaveCorrectContext()) {
+							logger.fine { "Skipping $ownIdentity because of incorrect context." }
+							emptySet()
+						} else {
+							logger.fine { "Loading trusted identities for $ownIdentity from WoT..." }
+							time({ stopwatch, identities -> "Loaded ${identities.size} identities for ${ownIdentity.nickname} in ${stopwatch.elapsed(MILLISECONDS) / 1000.0}s." }) {
+								webOfTrustConnector.loadTrustedIdentities(ownIdentity, context?.context)
+							}
+						}
+					}
+
+	private fun OwnIdentity.doesNotHaveCorrectContext() =
+			context?.let { it.context !in contexts } ?: false
+
+	private fun <R> time(logMessage: (Stopwatch, R) -> String, loader: () -> R) =
+			Stopwatch.createStarted().let { stopwatch ->
+				loader().also { logger.fine(logMessage(stopwatch, it)) }
+			}
+
+}