forked from keybase/client
/
cmd_verify.go
145 lines (129 loc) · 3.3 KB
/
cmd_verify.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 client
import (
"errors"
"io/ioutil"
"golang.org/x/net/context"
"github.com/keybase/cli"
"github.com/keybase/client/go/libcmdline"
"github.com/keybase/client/go/libkb"
keybase1 "github.com/keybase/client/go/protocol/keybase1"
"github.com/keybase/go-framed-msgpack-rpc/rpc"
)
func NewCmdVerify(cl *libcmdline.CommandLine, g *libkb.GlobalContext) cli.Command {
return cli.Command{
Name: "verify",
Usage: "Verify message or file signatures for keybase users",
Action: func(c *cli.Context) {
cl.ChooseCommand(&CmdVerify{Contextified: libkb.NewContextified(g)}, "verify", c)
},
Flags: []cli.Flag{
cli.StringFlag{
Name: "d, detached",
Usage: "Specify a detached signature file.",
},
cli.StringFlag{
Name: "i, infile",
Usage: "Specify an input file.",
},
cli.StringFlag{
Name: "m, message",
Usage: "Provide the message to verify on the command line.",
},
cli.BoolFlag{
Name: "no-output",
Usage: "Don't output the verified message.",
},
cli.StringFlag{
Name: "o, outfile",
Usage: "Specify an outfile (stdout by default).",
},
cli.StringFlag{
Name: "S, signed-by",
Usage: "Assert signed by the given user (can use user assertion format).",
},
cli.BoolFlag{
Name: "f, force",
Usage: "Output the verified message even if the sender's identity can't be verified",
},
},
}
}
type CmdVerify struct {
libkb.Contextified
UnixFilter
detachedData []byte
signedBy string
spui *SaltpackUI
force bool
}
func (c *CmdVerify) ParseArgv(ctx *cli.Context) error {
if len(ctx.Args()) > 0 {
return UnexpectedArgsError("verify")
}
msg := ctx.String("message")
infile := ctx.String("infile")
outfile := ctx.String("outfile")
if ctx.Bool("no-output") {
if len(outfile) > 0 {
return errors.New("Cannot specify an outfile and no-output")
}
outfile = "/dev/null"
}
if err := c.FilterInit(msg, infile, outfile); err != nil {
return err
}
c.signedBy = ctx.String("signed-by")
detachedFilename := ctx.String("detached")
if len(detachedFilename) > 0 {
data, err := ioutil.ReadFile(detachedFilename)
if err != nil {
return err
}
c.detachedData = data
}
c.force = ctx.Bool("force")
return nil
}
func (c *CmdVerify) Run() (err error) {
cli, err := GetSaltpackClient(c.G())
if err != nil {
return err
}
c.spui = &SaltpackUI{
Contextified: libkb.NewContextified(c.G()),
terminal: c.G().UI.GetTerminalUI(),
force: c.force,
}
protocols := []rpc.Protocol{
NewStreamUIProtocol(c.G()),
NewSecretUIProtocol(c.G()),
NewIdentifyUIProtocol(c.G()),
keybase1.SaltpackUiProtocol(c.spui),
}
if err = RegisterProtocolsWithContext(protocols, c.G()); err != nil {
return err
}
snk, src, err := c.ClientFilterOpen(c.G())
if err == nil {
arg := keybase1.SaltpackVerifyArg{
Source: src,
Sink: snk,
Opts: keybase1.SaltpackVerifyOptions{
Signature: c.detachedData,
SignedBy: c.signedBy,
},
}
err = cli.SaltpackVerify(context.TODO(), arg)
}
cerr := c.Close(err)
return libkb.PickFirstError(err, cerr)
}
func (c *CmdVerify) GetUsage() libkb.Usage {
return libkb.Usage{
Config: true,
API: true,
KbKeyring: true,
}
}