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xx: use Network via interface
This commit is contained in:
Heiko Schaefer
parent
7d284722b9
commit
98bccf78df
2 changed files with 38 additions and 16 deletions
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@ -53,8 +53,15 @@ internal data class ForwardPointer(
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val next: EdgeComponent?
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)
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interface NetworkView {
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fun nodeByFpr(fpr: Fingerprint): Node?
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fun reverseBySignee(fpr: Fingerprint): List<Edge>?
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fun referenceTime(): ReferenceTime
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}
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class Query(
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private val network: Network,
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private val network: NetworkView,
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private val roots: Roots,
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private val certificationNetwork: Boolean) {
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@ -272,24 +279,24 @@ class Query(
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logger.debug("Roots (${roots.size()}):\n{}",
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roots.roots().withIndex().joinToString("\n") { (i, r) ->
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val fpr = r.fingerprint
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network.nodes[fpr]?.let { " {$i}. {$it}" } ?: " {$i}. {$fpr} (not found)"
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network.nodeByFpr(fpr)?.let { " {$i}. {$it}" } ?: " {$i}. {$fpr} (not found)"
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})
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logger.debug("target: {}, {}", targetFpr, targetUserid)
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logger.debug("self signed: {}", selfSigned)
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// If the node is not in the network, we're done.
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val target = network.nodes[targetFpr] ?: return hashMapOf()
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val target = network.nodeByFpr(targetFpr) ?: return hashMapOf()
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// Make sure the target is valid (not expired and not revoked
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// at the reference time).
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if ((target.expirationTime != null) &&
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(target.expirationTime <= network.referenceTime.timestamp)) {
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(target.expirationTime <= network.referenceTime().timestamp)) {
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logger.debug("{}: Target certificate is expired at reference time.", targetFpr)
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return hashMapOf()
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}
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if (target.revocationState.isEffective(network.referenceTime)) {
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if (target.revocationState.isEffective(network.referenceTime())) {
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logger.debug("{}: Target certificate is revoked at reference time.", targetFpr)
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return hashMapOf()
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}
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@ -299,7 +306,7 @@ class Query(
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// revoked it, then it can't be authenticated.
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val targetUa: RevocationState? = target.userIds[targetUserid]
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targetUa?.let {
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if (it.isEffective(network.referenceTime)) {
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if (it.isEffective(network.referenceTime())) {
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logger.debug("{}: Target user id is revoked at reference time.", targetFpr)
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return hashMapOf()
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}
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@ -369,7 +376,7 @@ class Query(
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continue
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}
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val signee = network.nodes[signeeFpr]!! // already looked up
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val signee = network.nodeByFpr(signeeFpr)!! // already looked up
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// Get the signee's current forward pointer.
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//
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@ -385,7 +392,7 @@ class Query(
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// Not limiting by required_depth, because 'network' doesn't expose an interface for this
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val certificationSets: List<Edge> =
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network.reverseEdges[signeeFpr].orEmpty() // "certifications_of"
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network.reverseBySignee(signeeFpr).orEmpty() // "certifications_of"
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if (certificationSets.isEmpty()) {
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// Nothing certified it. The path is a dead end.
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@ -577,7 +584,7 @@ class Query(
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// target_ua.map(|ua| ua.binding_signature_creation_time())
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// .unwrap_or(self.network().reference_time()))
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network.referenceTime.timestamp,
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network.referenceTime().timestamp,
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null, true, 120, Depth.limited(0), RegexSet.wildcard()
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)
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@ -602,28 +609,28 @@ class Query(
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continue
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}
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logger.debug("Recovering path starting at {}", network.nodes[issuerFpr])
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logger.debug("Recovering path starting at {}", network.nodeByFpr(issuerFpr))
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var amount = 120
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// nodes[0] is the root; nodes[nodes.len() - 1] is the target.
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val nodes: MutableList<EdgeComponent> = mutableListOf()
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while (true) {
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val c = fp.next ?: break
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val ec = fp.next ?: break
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logger.debug(" {}", fp)
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val fv = FilterValues(c.trustDepth, c.trustAmount, null)
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val fv = FilterValues(ec.trustDepth, ec.trustAmount, null)
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val r = filter.cost(c, fv, true)
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val r = filter.cost(ec, fv, true)
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assert(r) {
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"cost function returned different result, but must be constant !"
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}
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amount = min(fv.amount, amount)
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nodes.add(c)
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fp = bestNextNode[c.target.fingerprint]!! // FIXME !!
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nodes.add(ec)
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fp = bestNextNode[ec.target.fingerprint]!! // FIXME !!
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}
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if (selfSigned) {
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@ -4,6 +4,8 @@
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package org.pgpainless.wot.network
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import org.pgpainless.wot.dijkstra.NetworkView
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/**
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* A network consists of nodes, and edges between them.
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* For the Web of Trust, a [Node] is a certificate, while the [Edges][Edge] between them are sets of signatures
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@ -19,7 +21,7 @@ class Network(
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val nodes: Map<Fingerprint, Node>,
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val edges: Map<Fingerprint, List<Edge>>,
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val reverseEdges: Map<Fingerprint, List<Edge>>,
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val referenceTime: ReferenceTime) {
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val referenceTime: ReferenceTime) : NetworkView {
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companion object {
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@JvmStatic
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@ -54,6 +56,19 @@ class Network(
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.sumOf { it.size }
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}
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override fun nodeByFpr(fpr:Fingerprint): Node? {
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return nodes[fpr]
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}
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override fun reverseBySignee(fpr: Fingerprint): List<Edge>? {
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return reverseEdges[fpr]
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}
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override fun referenceTime(): ReferenceTime {
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return referenceTime
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}
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override fun toString(): String {
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val sb = StringBuilder()
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sb.append("Network with ${nodes.size} nodes, $numberOfEdges edges:\n")
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