/*
* 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 .
*/
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 =
performRequest(SimpleFieldSetBuilder().put("Message", "GetOwnIdentities").get())
.fields
.parseIdentities { parseOwnIdentity(it) }
@Throws(PluginException::class)
override fun loadTrustedIdentities(ownIdentity: OwnIdentity, context: String?): Set =
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 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.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 }