--- /dev/null
+/*
+ * Sone - WebOfTrustConnector.java - Copyright © 2010–2019 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.inject.*
+import freenet.support.*
+import kotlinx.coroutines.*
+import net.pterodactylus.sone.freenet.*
+import net.pterodactylus.sone.freenet.plugin.*
+import java.lang.String.*
+import java.util.logging.*
+import java.util.logging.Logger
+import java.util.logging.Logger.*
+
+/**
+ * Connector for the Web of Trust plugin.
+ */
+class PluginWebOfTrustConnector @Inject constructor(private val pluginConnector: PluginConnector) : WebOfTrustConnector {
+
+ private val logger: Logger = getLogger(PluginWebOfTrustConnector::class.java.name)
+
+ @Throws(PluginException::class)
+ override fun loadAllOwnIdentities(): Set<OwnIdentity> =
+ performRequest(SimpleFieldSetBuilder().put("Message", "GetOwnIdentities").get())
+ .fields
+ .parseIdentities { parseOwnIdentity(it) }
+
+ @Throws(PluginException::class)
+ override fun loadTrustedIdentities(ownIdentity: OwnIdentity, context: String?): Set<Identity> =
+ performRequest(SimpleFieldSetBuilder().put("Message", "GetIdentitiesByScore").put("Truster", ownIdentity.id).put("Selection", "+").put("Context", context ?: "").put("WantTrustValues", "true").get())
+ .fields
+ .parseIdentities { parseTrustedIdentity(it, ownIdentity) }
+
+ @Throws(PluginException::class)
+ override fun addContext(ownIdentity: OwnIdentity, context: String) {
+ performRequest(SimpleFieldSetBuilder().put("Message", "AddContext").put("Identity", ownIdentity.id).put("Context", context).get())
+ }
+
+ @Throws(PluginException::class)
+ override fun removeContext(ownIdentity: OwnIdentity, context: String) {
+ performRequest(SimpleFieldSetBuilder().put("Message", "RemoveContext").put("Identity", ownIdentity.id).put("Context", context).get())
+ }
+
+ override fun setProperty(ownIdentity: OwnIdentity, name: String, value: String) {
+ performRequest(SimpleFieldSetBuilder().put("Message", "SetProperty").put("Identity", ownIdentity.id).put("Property", name).put("Value", value).get())
+ }
+
+ override fun removeProperty(ownIdentity: OwnIdentity, name: String) {
+ performRequest(SimpleFieldSetBuilder().put("Message", "RemoveProperty").put("Identity", ownIdentity.id).put("Property", name).get())
+ }
+
+ override fun getTrust(ownIdentity: OwnIdentity, identity: Identity) =
+ performRequest(SimpleFieldSetBuilder().put("Message", "GetIdentity").put("Truster", ownIdentity.id).put("Identity", identity.id).get())
+ .fields
+ .parseTrust()
+
+ override fun setTrust(ownIdentity: OwnIdentity, identity: Identity, trust: Int, comment: String) {
+ performRequest(SimpleFieldSetBuilder().put("Message", "SetTrust").put("Truster", ownIdentity.id).put("Trustee", identity.id).put("Value", trust.toString()).put("Comment", comment).get())
+ }
+
+ override fun removeTrust(ownIdentity: OwnIdentity, identity: Identity) {
+ performRequest(SimpleFieldSetBuilder().put("Message", "RemoveTrust").put("Truster", ownIdentity.id).put("Trustee", identity.id).get())
+ }
+
+ override fun ping() {
+ performRequest(SimpleFieldSetBuilder().put("Message", "Ping").get())
+ }
+
+ private fun performRequest(fields: SimpleFieldSet): PluginReply {
+ logger.log(Level.FINE, format("Sending FCP Request: %s", fields.get("Message")))
+ return runBlocking {
+ pluginConnector.sendRequest(WOT_PLUGIN_NAME, fields).also {
+ logger.log(Level.FINEST, format("Received FCP Response for %s: %s", fields.get("Message"), it.fields.get("Message")))
+ if ("Error" == it.fields.get("Message")) {
+ throw PluginException("Could not perform request for " + fields.get("Message"))
+ }
+ }
+ }
+ }
+
+}
+
+private const val WOT_PLUGIN_NAME = "plugins.WebOfTrust.WebOfTrust"
+
+private fun <I> SimpleFieldSet.parseIdentities(parser: SimpleFieldSet.(Int) -> I) =
+ scanPrefix { "Identity$it" }
+ .map { parser(this, it) }
+ .toSet()
+
+private fun SimpleFieldSet.parseOwnIdentity(index: Int) =
+ DefaultOwnIdentity(get("Identity$index"), get("Nickname$index"), get("RequestURI$index"), get("InsertURI$index"))
+ .setContextsAndProperties(this@parseOwnIdentity, index)
+
+private fun SimpleFieldSet.parseTrustedIdentity(index: Int, ownIdentity: OwnIdentity) =
+ DefaultIdentity(get("Identity$index"), get("Nickname$index"), get("RequestURI$index"))
+ .setContextsAndProperties(this@parseTrustedIdentity, index)
+ .apply { setTrust(ownIdentity, this@parseTrustedIdentity.parseTrust(index.toString())) }
+
+private fun <I : Identity> I.setContextsAndProperties(simpleFieldSet: SimpleFieldSet, index: Int) = apply {
+ contexts = simpleFieldSet.contexts("Contexts$index.")
+ properties = simpleFieldSet.properties("Properties$index.")
+}
+
+private fun SimpleFieldSet.parseTrust(index: String = "") =
+ Trust(get("Trust$index")?.toIntOrNull(), get("Score$index")?.toIntOrNull(), get("Rank$index")?.toIntOrNull())
+
+private fun SimpleFieldSet.contexts(prefix: String) =
+ scanPrefix { "${prefix}Context$it" }
+ .map { get("${prefix}Context$it") }
+ .toSet()
+
+private fun SimpleFieldSet.properties(prefix: String) =
+ scanPrefix { "${prefix}Property${it}.Name" }
+ .map { get("${prefix}Property${it}.Name") to get("${prefix}Property${it}.Value") }
+ .toMap()
+
+private fun SimpleFieldSet.scanPrefix(prefix: (Int) -> String) =
+ generateSequence(0, Int::inc)
+ .takeWhile { get(prefix(it)) != null }
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