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identify_outcome.go
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/
identify_outcome.go
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// Copyright 2015 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.
package libkb
import (
"fmt"
"sort"
"strings"
keybase1 "github.com/keybase/client/go/protocol"
jsonw "github.com/keybase/go-jsonw"
)
type IdentifyOutcome struct {
Username string
Error error
KeyDiffs []TrackDiff
Revoked []TrackDiffRevoked
ProofChecks []*LinkCheckResult
Warnings []Warning
TrackUsed *TrackLookup
TrackEqual bool // Whether the track statement was equal to what we saw
MeSet bool // whether me was set at the time
TrackOptions keybase1.TrackOptions
Reason keybase1.IdentifyReason
}
func NewIdentifyOutcome(m bool) *IdentifyOutcome {
return &IdentifyOutcome{
MeSet: m,
}
}
func (i *IdentifyOutcome) remoteProofLinks() *RemoteProofLinks {
rpl := NewRemoteProofLinks()
for _, p := range i.ProofChecks {
rpl.Insert(p.link, p.err)
}
return rpl
}
func (i *IdentifyOutcome) ActiveProofs() []RemoteProofChainLink {
return i.remoteProofLinks().Active()
}
func (i *IdentifyOutcome) AddProofsToSet(existing *ProofSet) {
i.remoteProofLinks().AddProofsToSet(existing)
}
func (i *IdentifyOutcome) TrackSet() *TrackSet {
return i.remoteProofLinks().TrackSet()
}
func (i *IdentifyOutcome) ProofChecksSorted() []*LinkCheckResult {
m := make(map[keybase1.ProofType][]*LinkCheckResult)
for _, p := range i.ProofChecks {
pt := p.link.GetProofType()
m[pt] = append(m[pt], p)
}
var res []*LinkCheckResult
for _, pt := range RemoteServiceOrder {
pc, ok := m[pt]
if !ok {
continue
}
sort.Sort(byDisplayString(pc))
res = append(res, pc...)
}
return res
}
// Revoked proofs are those we used to look for but are gone!
func (i IdentifyOutcome) NumRevoked() int {
return len(i.Revoked)
}
// The number of proofs that failed.
func (i IdentifyOutcome) NumProofFailures() int {
nfails := 0
for _, c := range i.ProofChecks {
if c.err != nil {
nfails++
}
}
return nfails
}
// The number of proofs that actually worked
func (i IdentifyOutcome) NumProofSuccesses() int {
nsucc := 0
for _, c := range i.ProofChecks {
if c.err == nil {
nsucc++
}
}
return nsucc
}
// A "Track Failure" is when we previously tracked this user, and
// some aspect of their proof changed. Like their key changed, or
// they changed Twitter names
func (i IdentifyOutcome) NumTrackFailures() int {
ntf := 0
check := func(d TrackDiff) bool {
return d != nil && d.BreaksTracking()
}
for _, c := range i.ProofChecks {
if check(c.diff) || check(c.remoteDiff) {
ntf++
}
}
for _, k := range i.KeyDiffs {
if check(k) {
ntf++
}
}
return ntf
}
// A "Track Change" isn't necessary a failure, maybe they upgraded
// a proof from HTTP to HTTPS. But we still should retrack if we can.
func (i IdentifyOutcome) NumTrackChanges() int {
ntc := 0
check := func(d TrackDiff) bool {
return d != nil && !d.IsSameAsTracked()
}
for _, c := range i.ProofChecks {
if check(c.diff) || check(c.remoteDiff) {
ntc++
}
}
for _, k := range i.KeyDiffs {
if check(k) {
ntc++
}
}
return ntc
}
func (i IdentifyOutcome) TrackStatus() keybase1.TrackStatus {
if i.NumTrackFailures() > 0 || i.NumRevoked() > 0 {
return keybase1.TrackStatus_UPDATE_BROKEN
}
if i.TrackUsed != nil {
if i.NumTrackChanges() > 0 {
return keybase1.TrackStatus_UPDATE_NEW_PROOFS
}
if i.NumTrackChanges() == 0 {
return keybase1.TrackStatus_UPDATE_OK
}
}
if i.NumProofSuccesses() == 0 {
return keybase1.TrackStatus_NEW_ZERO_PROOFS
}
if i.NumProofFailures() > 0 {
return keybase1.TrackStatus_NEW_FAIL_PROOFS
}
return keybase1.TrackStatus_NEW_OK
}
func (i IdentifyOutcome) TrackingStatement() *jsonw.Wrapper {
return i.remoteProofLinks().TrackingStatement()
}
func (i IdentifyOutcome) GetErrorAndWarnings(strict bool) (warnings Warnings, err error) {
if i.Error != nil {
err = i.Error
return
}
var probs []string
softErr := func(s string) {
if strict {
probs = append(probs, s)
} else {
warnings.Push(StringWarning(s))
}
}
for _, revoked := range i.Revoked {
softErr(revoked.ToDisplayString())
}
if nfails := i.NumProofFailures(); nfails > 0 {
p := fmt.Sprintf("PROBLEM: %d proof%s failed remote checks", nfails, GiveMeAnS(nfails))
softErr(p)
}
if ntf := i.NumTrackFailures(); ntf > 0 {
probs = append(probs,
fmt.Sprintf("%d track component%s failed",
ntf, GiveMeAnS(ntf)))
}
if len(probs) > 0 {
err = fmt.Errorf("%s", strings.Join(probs, ";"))
}
return
}
func (i IdentifyOutcome) GetError() error {
_, e := i.GetErrorAndWarnings(true)
return e
}
func (i IdentifyOutcome) GetErrorLax() (Warnings, error) {
return i.GetErrorAndWarnings(true)
}
type byDisplayString []*LinkCheckResult
func (a byDisplayString) Len() int { return len(a) }
func (a byDisplayString) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a byDisplayString) Less(i, j int) bool {
return a[i].link.ToDisplayString() < a[j].link.ToDisplayString()
}