84 lines
2.4 KiB
Go
84 lines
2.4 KiB
Go
package widgets
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import (
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"errors"
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"git.sr.ht/~sircmpwn/aerc/lib/ui"
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"github.com/gdamore/tcell"
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"golang.org/x/crypto/openpgp"
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pgperrors "golang.org/x/crypto/openpgp/errors"
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)
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type PGPInfo struct {
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ui.Invalidatable
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details *openpgp.MessageDetails
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}
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func NewPGPInfo(details *openpgp.MessageDetails) *PGPInfo {
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return &PGPInfo{details: details}
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}
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func (p *PGPInfo) DrawSignature(ctx *ui.Context) {
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errorStyle := tcell.StyleDefault.Background(tcell.ColorRed).
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Foreground(tcell.ColorWhite).Bold(true)
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softErrorStyle := tcell.StyleDefault.Foreground(tcell.ColorYellow).Bold(true)
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validStyle := tcell.StyleDefault.Foreground(tcell.ColorGreen).Bold(true)
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// TODO: Nicer prompt for TOFU, fetch from keyserver, etc
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if errors.Is(p.details.SignatureError, pgperrors.ErrUnknownIssuer) ||
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p.details.SignedBy == nil {
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x := ctx.Printf(0, 0, softErrorStyle, "*")
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x += ctx.Printf(x, 0, tcell.StyleDefault,
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" Signed with unknown key (%8X); authenticity unknown",
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p.details.SignedByKeyId)
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} else if p.details.SignatureError != nil {
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x := ctx.Printf(0, 0, errorStyle, "Invalid signature!")
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x += ctx.Printf(x, 0, tcell.StyleDefault.
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Foreground(tcell.ColorRed).Bold(true),
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" This message may have been tampered with! (%s)",
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p.details.SignatureError.Error())
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} else {
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entity := p.details.SignedBy.Entity
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var ident *openpgp.Identity
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// TODO: Pick identity more intelligently
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for _, ident = range entity.Identities {
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break
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}
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x := ctx.Printf(0, 0, validStyle, "✓ Authentic ")
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x += ctx.Printf(x, 0, tcell.StyleDefault,
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"Signature from %s (%8X)",
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ident.Name, p.details.SignedByKeyId)
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}
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}
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func (p *PGPInfo) DrawEncryption(ctx *ui.Context, y int) {
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validStyle := tcell.StyleDefault.Foreground(tcell.ColorGreen).Bold(true)
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entity := p.details.DecryptedWith.Entity
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var ident *openpgp.Identity
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// TODO: Pick identity more intelligently
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for _, ident = range entity.Identities {
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break
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}
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x := ctx.Printf(0, y, validStyle, "✓ Encrypted ")
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x += ctx.Printf(x, y, tcell.StyleDefault,
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"To %s (%8X) ", ident.Name, p.details.DecryptedWith.PublicKey.KeyId)
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}
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func (p *PGPInfo) Draw(ctx *ui.Context) {
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ctx.Fill(0, 0, ctx.Width(), ctx.Height(), ' ', tcell.StyleDefault)
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if p.details.IsSigned && p.details.IsEncrypted {
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p.DrawSignature(ctx)
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p.DrawEncryption(ctx, 1)
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} else if p.details.IsSigned {
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p.DrawSignature(ctx)
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} else if p.details.IsEncrypted {
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p.DrawEncryption(ctx, 0)
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}
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}
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func (p *PGPInfo) Invalidate() {
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p.DoInvalidate(p)
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}
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