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// gomuks - A terminal Matrix client written in Go.
// Copyright (C) 2020 Tulir Asokan
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
// +build cgo
package ui
import (
"fmt"
"strings"
"time"
"unicode"
"maunium.net/go/mautrix/crypto"
"maunium.net/go/mautrix/id"
)
func autocompleteDeviceUserID(cmd *CommandAutocomplete) (completions []string, newText string) {
userCompletions := cmd.Room.AutocompleteUser(cmd.Args[0])
if len(userCompletions) == 1 {
newText = fmt.Sprintf("/%s %s ", cmd.OrigCommand, userCompletions[0].id)
} else {
completions = make([]string, len(userCompletions))
for i, completion := range userCompletions {
completions[i] = completion.id
}
}
return
}
func autocompleteDeviceDeviceID(cmd *CommandAutocomplete) (completions []string, newText string) {
mach := cmd.Matrix.Crypto().(*crypto.OlmMachine)
devices, err := mach.CryptoStore.GetDevices(id.UserID(cmd.Args[0]))
if len(devices) == 0 || err != nil {
return
}
var completedDeviceID id.DeviceID
if len(cmd.Args) > 1 {
existingID := strings.ToUpper(cmd.Args[1])
for _, device := range devices {
deviceIDStr := string(device.DeviceID)
if deviceIDStr == existingID {
// We don't want to do any autocompletion if there's already a full device ID there.
return []string{}, ""
} else if strings.HasPrefix(strings.ToUpper(device.Name), existingID) || strings.HasPrefix(deviceIDStr, existingID) {
completedDeviceID = device.DeviceID
completions = append(completions, fmt.Sprintf("%s (%s)", device.DeviceID, device.Name))
}
}
} else {
completions = make([]string, len(devices))
i := 0
for _, device := range devices {
completedDeviceID = device.DeviceID
completions[i] = fmt.Sprintf("%s (%s)", device.DeviceID, device.Name)
i++
}
}
if len(completions) == 1 {
newText = fmt.Sprintf("/%s %s %s ", cmd.OrigCommand, cmd.Args[0], completedDeviceID)
}
return
}
func autocompleteDevice(cmd *CommandAutocomplete) ([]string, string) {
if len(cmd.Args) == 0 {
return []string{}, ""
} else if len(cmd.Args) == 1 && !unicode.IsSpace(rune(cmd.RawArgs[len(cmd.RawArgs)-1])) {
return autocompleteDeviceUserID(cmd)
} else if cmd.Command != "devices" {
return autocompleteDeviceDeviceID(cmd)
}
return []string{}, ""
}
func getDevice(cmd *Command) *crypto.DeviceIdentity {
if len(cmd.Args) < 2 {
cmd.Reply("Usage: /%s <user id> <device id> [fingerprint]", cmd.Command)
return nil
}
mach := cmd.Matrix.Crypto().(*crypto.OlmMachine)
device, err := mach.GetOrFetchDevice(id.UserID(cmd.Args[0]), id.DeviceID(cmd.Args[1]))
if err != nil {
cmd.Reply("Failed to get device: %v", err)
return nil
}
return device
}
func putDevice(cmd *Command, device *crypto.DeviceIdentity, action string) {
mach := cmd.Matrix.Crypto().(*crypto.OlmMachine)
err := mach.CryptoStore.PutDevice(device.UserID, device)
if err != nil {
cmd.Reply("Failed to save device: %v", err)
} else {
cmd.Reply("Successfully %s %s/%s (%s)", action, device.UserID, device.DeviceID, device.Name)
}
mach.OnDevicesChanged(device.UserID)
}
func cmdDevices(cmd *Command) {
if len(cmd.Args) == 0 {
cmd.Reply("Usage: /devices <user id>")
return
}
userID := id.UserID(cmd.Args[0])
mach := cmd.Matrix.Crypto().(*crypto.OlmMachine)
devices, err := mach.CryptoStore.GetDevices(userID)
if err != nil {
cmd.Reply("Failed to get device list: %v", err)
}
if len(devices) == 0 {
cmd.Reply("Fetching device list from server...")
devices = mach.LoadDevices(userID)
}
if len(devices) == 0 {
cmd.Reply("No devices found for %s", userID)
return
}
var buf strings.Builder
for _, device := range devices {
_, _ = fmt.Fprintf(&buf, "%s (%s) - %s\n Fingerprint: %s\n", device.DeviceID, device.Name, device.Trust.String(), device.Fingerprint())
}
resp := buf.String()
cmd.Reply("%s", resp[:len(resp)-1])
}
func cmdDevice(cmd *Command) {
device := getDevice(cmd)
if device == nil {
return
}
deviceType := "Device"
if device.Deleted {
deviceType = "Deleted device"
}
cmd.Reply("%s %s of %s\nFingerprint: %s\nIdentity key: %s\nDevice name: %s\nTrust state: %s",
deviceType, device.DeviceID, device.UserID,
device.Fingerprint(), device.IdentityKey,
device.Name, device.Trust.String())
}
func cmdVerify(cmd *Command) {
device := getDevice(cmd)
if device == nil {
return
}
if device.Trust == crypto.TrustStateVerified {
cmd.Reply("That device is already verified")
return
}
if len(cmd.Args) == 2 {
mach := cmd.Matrix.Crypto().(*crypto.OlmMachine)
mach.DefaultSASTimeout = 120 * time.Second
modal := NewVerificationModal(cmd.MainView, device, mach.DefaultSASTimeout)
cmd.MainView.ShowModal(modal)
_, err := mach.NewSimpleSASVerificationWith(device, modal)
if err != nil {
cmd.Reply("Failed to start interactive verification: %v", err)
return
}
} else {
fingerprint := strings.Join(cmd.Args[2:], "")
if string(device.SigningKey) != fingerprint {
cmd.Reply("Mismatching fingerprint")
return
}
action := "verified"
if device.Trust == crypto.TrustStateBlacklisted {
action = "unblacklisted and verified"
}
device.Trust = crypto.TrustStateVerified
putDevice(cmd, device, action)
}
}
func cmdUnverify(cmd *Command) {
device := getDevice(cmd)
if device == nil {
return
}
if device.Trust == crypto.TrustStateUnset {
cmd.Reply("That device is already not verified")
return
}
action := "unverified"
if device.Trust == crypto.TrustStateBlacklisted {
action = "unblacklisted"
}
device.Trust = crypto.TrustStateUnset
putDevice(cmd, device, action)
}
func cmdBlacklist(cmd *Command) {
device := getDevice(cmd)
if device == nil {
return
}
if device.Trust == crypto.TrustStateBlacklisted {
cmd.Reply("That device is already blacklisted")
return
}
action := "blacklisted"
if device.Trust == crypto.TrustStateVerified {
action = "unverified and blacklisted"
}
device.Trust = crypto.TrustStateBlacklisted
putDevice(cmd, device, action)
}
func cmdResetSession(cmd *Command) {
err := cmd.Matrix.Crypto().(*crypto.OlmMachine).CryptoStore.RemoveOutboundGroupSession(cmd.Room.Room.ID)
if err != nil {
cmd.Reply("Failed to remove outbound group session: %v", err)
} else {
cmd.Reply("Removed outbound group session for this room")
}
}
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