mirror of https://github.com/fiatjaf/nak.git
53 lines
1.6 KiB
Go
53 lines
1.6 KiB
Go
package main
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import (
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"context"
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"fiatjaf.com/nostr"
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"github.com/urfave/cli/v3"
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)
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var verify = &cli.Command{
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Name: "verify",
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Usage: "checks the hash and signature of an event given through stdin or as the first argument",
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Description: `example:
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echo '{"id":"a889df6a387419ff204305f4c2d296ee328c3cd4f8b62f205648a541b4554dfb","pubkey":"c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b95c709ee5","created_at":1698623783,"kind":1,"tags":[],"content":"hello from the nostr army knife","sig":"84876e1ee3e726da84e5d195eb79358b2b3eaa4d9bd38456fde3e8a2af3f1cd4cda23f23fda454869975b3688797d4c66e12f4c51c1b43c6d2997c5e61865661"}' | nak verify
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it outputs nothing if the verification is successful.`,
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DisableSliceFlagSeparator: true,
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Action: func(ctx context.Context, c *cli.Command) error {
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for stdinEvent := range getJsonsOrBlank() {
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evt := nostr.Event{}
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if stdinEvent == "" {
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stdinEvent = c.Args().First()
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if stdinEvent == "" {
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continue
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}
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}
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if err := json.Unmarshal([]byte(stdinEvent), &evt); err != nil {
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ctx = lineProcessingError(ctx, "invalid event: %s", err)
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logverbose("<>: invalid event.\n", evt.ID.Hex())
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continue
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}
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if evt.GetID() != evt.ID {
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ctx = lineProcessingError(ctx, "invalid .id, expected %s, got %s", evt.GetID(), evt.ID)
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logverbose("%s: invalid id.\n", evt.ID.Hex())
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continue
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}
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if !evt.VerifySignature() {
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ctx = lineProcessingError(ctx, "invalid signature")
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logverbose("%s: invalid signature.\n", evt.ID.Hex())
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continue
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}
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logverbose("%s: valid.\n", evt.ID.Hex())
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}
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exitIfLineProcessingError(ctx)
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return nil
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},
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}
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