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package widgets
import (
"errors"
"git.sr.ht/~sircmpwn/aerc/config"
"git.sr.ht/~sircmpwn/aerc/lib/ui"
"golang.org/x/crypto/openpgp"
pgperrors "golang.org/x/crypto/openpgp/errors"
)
type PGPInfo struct {
ui.Invalidatable
details *openpgp.MessageDetails
uiConfig config.UIConfig
}
func NewPGPInfo(details *openpgp.MessageDetails, uiConfig config.UIConfig) *PGPInfo {
return &PGPInfo{details: details, uiConfig: uiConfig}
}
func (p *PGPInfo) DrawSignature(ctx *ui.Context) {
errorStyle := p.uiConfig.GetStyle(config.STYLE_ERROR)
warningStyle := p.uiConfig.GetStyle(config.STYLE_WARNING)
validStyle := p.uiConfig.GetStyle(config.STYLE_SUCCESS)
defaultStyle := p.uiConfig.GetStyle(config.STYLE_DEFAULT)
// TODO: Nicer prompt for TOFU, fetch from keyserver, etc
if errors.Is(p.details.SignatureError, pgperrors.ErrUnknownIssuer) ||
p.details.SignedBy == nil {
x := ctx.Printf(0, 0, warningStyle, "*")
x += ctx.Printf(x, 0, defaultStyle,
" Signed with unknown key (%8X); authenticity unknown",
p.details.SignedByKeyId)
} else if p.details.SignatureError != nil {
x := ctx.Printf(0, 0, errorStyle, "Invalid signature!")
x += ctx.Printf(x, 0, errorStyle,
" This message may have been tampered with! (%s)",
p.details.SignatureError.Error())
} else {
entity := p.details.SignedBy.Entity
ident := entity.PrimaryIdentity()
x := ctx.Printf(0, 0, validStyle, "✓ Authentic ")
x += ctx.Printf(x, 0, defaultStyle,
"Signature from %s (%8X)",
ident.Name, p.details.SignedByKeyId)
}
}
func (p *PGPInfo) DrawEncryption(ctx *ui.Context, y int) {
validStyle := p.uiConfig.GetStyle(config.STYLE_SUCCESS)
defaultStyle := p.uiConfig.GetStyle(config.STYLE_DEFAULT)
entity := p.details.DecryptedWith.Entity
ident := entity.PrimaryIdentity()
x := ctx.Printf(0, y, validStyle, "✓ Encrypted ")
x += ctx.Printf(x, y, defaultStyle,
"To %s (%8X) ", ident.Name, p.details.DecryptedWith.PublicKey.KeyId)
}
func (p *PGPInfo) Draw(ctx *ui.Context) {
defaultStyle := p.uiConfig.GetStyle(config.STYLE_DEFAULT)
ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', defaultStyle)
if p.details.IsSigned && p.details.IsEncrypted {
p.DrawSignature(ctx)
p.DrawEncryption(ctx, 1)
} else if p.details.IsSigned {
p.DrawSignature(ctx)
} else if p.details.IsEncrypted {
p.DrawEncryption(ctx, 0)
}
}
func (p *PGPInfo) Invalidate() {
p.DoInvalidate(p)
}
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