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pgp: refactor signature validity display

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This commit changes the signature validity display to not use valid as
the default. Now invalid is the default which can cause fewer issues if
an attack vector emerges.

Signed-off-by: Moritz Poldrack <git@moritz.sh>
Tested-by: Tim Culverhouse <tim@timculverhouse.com>
This commit is contained in:
Moritz Poldrack 2022-06-22 12:19:41 +02:00 committed by Robin Jarry
parent b7d8918bbd
commit 7bdfa928cb
1 changed files with 25 additions and 18 deletions
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43
widgets/pgpinfo.go
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@ -1,12 +1,14 @@
package widgets
import (
"fmt"
"strings"
"unicode/utf8"
"git.sr.ht/~rjarry/aerc/config"
"git.sr.ht/~rjarry/aerc/lib/ui"
"git.sr.ht/~rjarry/aerc/models"
"github.com/gdamore/tcell/v2"
)
type PGPInfo struct {
@ -25,29 +27,34 @@ func (p *PGPInfo) DrawSignature(ctx *ui.Context) {
validStyle := p.uiConfig.GetStyle(config.STYLE_SUCCESS)
defaultStyle := p.uiConfig.GetStyle(config.STYLE_DEFAULT)
var icon string
var indicatorStyle, textstyle tcell.Style
textstyle = defaultStyle
var indicatorText, messageText string
// TODO: Nicer prompt for TOFU, fetch from keyserver, etc
if p.details.SignatureValidity == models.UnknownEntity ||
p.details.SignedBy == "" {
x := ctx.Printf(0, 0, warningStyle, "%s unknown", p.uiConfig.IconUnknown)
x += ctx.Printf(x, 0, defaultStyle,
" Signed with unknown key (%8X); authenticity unknown",
p.details.SignedByKeyId)
} else if p.details.SignatureValidity != models.Valid {
x := ctx.Printf(0, 0, errorStyle, "%s Invalid signature!", p.uiConfig.IconInvalid)
x += ctx.Printf(x, 0, errorStyle,
" This message may have been tampered with! (%s)",
p.details.SignatureError)
} else {
icon := p.uiConfig.IconSigned
switch p.details.SignatureValidity {
case models.UnknownEntity:
icon = p.uiConfig.IconUnknown
indicatorStyle = warningStyle
indicatorText = "Unknown"
messageText = fmt.Sprintf("Signed with unknown key (%8X); authenticity unknown", p.details.SignedByKeyId)
case models.Valid:
icon = p.uiConfig.IconSigned
if p.details.IsEncrypted && p.uiConfig.IconSignedEncrypted != "" {
icon = p.uiConfig.IconSignedEncrypted
}
x := ctx.Printf(0, 0, validStyle, "%s Authentic ", icon)
x += ctx.Printf(x, 0, defaultStyle,
"Signature from %s (%8X)",
p.details.SignedBy, p.details.SignedByKeyId)
indicatorStyle = validStyle
indicatorText = "Authentic"
messageText = fmt.Sprintf("Signature from %s (%8X)", p.details.SignedBy, p.details.SignedByKeyId)
default:
icon = p.uiConfig.IconInvalid
indicatorStyle = errorStyle
indicatorText = "Invalid signature!"
messageText = fmt.Sprintf("This message may have been tampered with! (%s)", p.details.SignatureError)
}
x := ctx.Printf(0, 0, indicatorStyle, "%s %s ", icon, indicatorText)
ctx.Printf(x, 0, textstyle, messageText)
}
func (p *PGPInfo) DrawEncryption(ctx *ui.Context, y int) {