/
grants.go
191 lines (161 loc) · 4.25 KB
/
grants.go
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package main
import (
"context"
"fmt"
"os"
cli "github.com/jawher/mow.cli"
"github.com/monax/hoard/v8"
"github.com/monax/hoard/v8/api"
"github.com/monax/hoard/v8/grant"
)
// PutSeal encrypts and stores data then prints a grant
func (client *Client) PutSeal(cmd *cli.Cmd) {
salt := addStringOpt(cmd, "salt", saltOpt)
key := addStringOpt(cmd, "key", keyOpt)
chunk := addIntOpt(cmd, "chunk", chunkOpt, chunkSize)
cmd.Action = func() {
validateChunkSize(*chunk)
spec := &grant.Spec{Plaintext: &grant.PlaintextSpec{}}
if *key != "" {
spec = &grant.Spec{
Plaintext: nil,
Symmetric: &grant.SymmetricSpec{PublicID: *key},
}
}
putseal, err := client.grant.PutSeal(context.Background())
if err != nil {
fatalf("Error starting client: %v", err)
}
err = putseal.Send(&api.PlaintextAndGrantSpec{
Plaintext: &api.Plaintext{
Head: &api.Header{
Salt: parseSalt(salt),
},
},
GrantSpec: spec,
})
if err != nil {
fatalf("Error sending head: %v", err)
}
err = hoard.StreamFileFrom(os.Stdin, *chunk, func(data []byte) error {
return putseal.Send(&api.PlaintextAndGrantSpec{
Plaintext: &api.Plaintext{
Body: data,
},
})
})
if err != nil {
fatalf("Error sending body: %v", err)
}
if err = putseal.CloseSend(); err != nil {
fatalf("Error closing send: %v", err)
}
grt, err := putseal.CloseAndRecv()
if err != nil {
fatalf("Error receiving data: %v", err)
}
fmt.Printf("%s\n", jsonString(grt))
}
}
// Seal reads encrypted data then prints a grant
func (client *Client) Seal(cmd *cli.Cmd) {
key := addStringOpt(cmd, "key", keyOpt)
cmd.Action = func() {
spec := grant.Spec{Plaintext: &grant.PlaintextSpec{}}
if *key != "" {
spec = grant.Spec{
Plaintext: nil,
Symmetric: &grant.SymmetricSpec{PublicID: *key},
}
}
refs := readReferences()
seal, err := client.grant.Seal(context.Background())
if err != nil {
fatalf("Error starting client: %v", err)
}
for _, ref := range refs {
if err = seal.Send(&api.ReferenceAndGrantSpec{
Reference: ref,
GrantSpec: &spec,
}); err != nil {
fatalf("Error sending data: %v", err)
}
}
if err = seal.CloseSend(); err != nil {
fatalf("Error closing send: %v", err)
}
grt, err := seal.CloseAndRecv()
if err != nil {
fatalf("Error receiving data: %v", err)
}
fmt.Printf("%s\n", jsonString(grt))
}
}
// Reseal reads a grant then prints a new grant
func (client *Client) Reseal(cmd *cli.Cmd) {
key := addStringOpt(cmd, "key", keyOpt)
cmd.Action = func() {
prev := readGrant()
next := grant.Spec{Plaintext: &grant.PlaintextSpec{}}
if *key != "" {
next = grant.Spec{
Plaintext: nil,
Symmetric: &grant.SymmetricSpec{PublicID: *key},
}
}
grt, err := client.grant.Reseal(context.Background(),
&api.GrantAndGrantSpec{
Grant: prev,
GrantSpec: &next,
})
if err != nil {
fatalf("Error resealing data: %v", err)
}
fmt.Printf("%s\n", jsonString(grt))
}
}
// Unseal reads a grant then prints the original reference
func (client *Client) Unseal(cmd *cli.Cmd) {
cmd.Action = func() {
grt := readGrant()
unseal, err := client.grant.Unseal(context.Background(), grt)
if err != nil {
fatalf("Error starting client: %v", err)
}
if err = unseal.CloseSend(); err != nil {
fatalf("Error closing send: %v", err)
}
refs, err := hoard.ReceiveAllReferences(unseal)
if err != nil {
fatalf("Error receiving data: %v", err)
}
fmt.Printf("%s\n", jsonString(refs))
}
}
// UnsealGet reads a grant, decrypts and prints the stored data
func (client *Client) UnsealGet(cmd *cli.Cmd) {
cmd.Action = func() {
grt := readGrant()
unsealget, err := client.grant.UnsealGet(context.Background(), grt)
if err != nil {
fatalf("Error starting client: %v", err)
}
err = hoard.StreamFileTo(os.Stdout, func() ([]byte, error) {
plaintext, err := unsealget.Recv()
return plaintext.GetBody(), err
})
if err != nil {
fatalf("Error receiving data: %v", err)
}
}
}
// UnsealDelete reads a grant and deletes the encrypted data
func (client *Client) UnsealDelete(cmd *cli.Cmd) {
cmd.Action = func() {
grt := readGrant()
_, err := client.grant.UnsealDelete(context.Background(), grt)
if err != nil {
fatalf("Error unsealing data: %v", err)
}
}
}