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blacklist.go
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blacklist.go
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/*
* Copyright 2018 Johannes Donath <johannesd@torchmind.com>
* and other copyright owners as documented in the project's IP log.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package command
import (
"flag"
"fmt"
"os"
"github.com/google/subcommands"
"golang.org/x/net/context"
)
type BlacklistCommand struct {
ClientCommand
}
func (*BlacklistCommand) Name() string {
return "check-blacklist"
}
func (*BlacklistCommand) Synopsis() string {
return "checks whether an address has been blacklisted using a remote Stockpile server"
}
func (*BlacklistCommand) Usage() string {
return `Usage: stockpile check-blacklist <address> [address2] [address3] ...
This command evaluates whether a given server address has been blacklisted:
$ stockpile check-blacklist example.org
You may also pass multiple addresses at once, if desired:
$ stockpile get-id example.org example.net
Available command specific flags:
`
}
func (c *BlacklistCommand) SetFlags(f *flag.FlagSet) {
c.ClientCommand.SetFlags(f)
}
func (c *BlacklistCommand) Execute(ctx context.Context, f *flag.FlagSet, _ ...interface{}) subcommands.ExitStatus {
client, err := c.createClient()
if err != nil {
fmt.Fprintf(os.Stderr, "failed to establish a connection to server \"%s\": %s\n", c.flagServerAddress, err)
return 1
}
if f.NArg() == 0 {
fmt.Fprintf(os.Stderr, "illegal command invocation: address is required\n")
return 1
}
matchedAddresses, err := client.CheckBlacklist(f.Args())
if err != nil {
fmt.Fprintf(os.Stderr, "command execution has failed: %s\n", err)
return 1
}
if len(matchedAddresses) == 0 {
fmt.Fprintf(os.Stderr, "none of the passed addresses match")
return 0
}
for _, match := range matchedAddresses {
fmt.Printf("%s matches the blacklist\n", match)
}
return 0
}