Files
versitygw/cmd/versitygw/admin.go

527 lines
13 KiB
Go

// Copyright 2023 Versity Software
// This file is 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 main
import (
"bytes"
"crypto/sha256"
"crypto/tls"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"net/http"
"os"
"text/tabwriter"
"time"
"github.com/aws/aws-sdk-go-v2/aws"
v4 "github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/urfave/cli/v2"
"github.com/versity/versitygw/auth"
"github.com/versity/versitygw/s3response"
)
var (
adminAccess string
adminSecret string
adminEndpoint string
allowInsecure bool
)
func adminCommand() *cli.Command {
return &cli.Command{
Name: "admin",
Usage: "admin CLI tool",
Description: `Admin CLI tool for interacting with admin APIs.`,
Subcommands: []*cli.Command{
{
Name: "create-user",
Usage: "Create a new user",
Action: createUser,
Flags: []cli.Flag{
&cli.StringFlag{
Name: "access",
Usage: "access key id for the new user",
Required: true,
Aliases: []string{"a"},
},
&cli.StringFlag{
Name: "secret",
Usage: "secret access key for the new user",
Required: true,
Aliases: []string{"s"},
},
&cli.StringFlag{
Name: "role",
Usage: "role for the new user",
Required: true,
Aliases: []string{"r"},
},
&cli.IntFlag{
Name: "user-id",
Usage: "userID for the new user",
Aliases: []string{"ui"},
},
&cli.IntFlag{
Name: "group-id",
Usage: "groupID for the new user",
Aliases: []string{"gi"},
},
},
},
{
Name: "update-user",
Usage: "Updates a user account",
Action: updateUser,
Flags: []cli.Flag{
&cli.StringFlag{
Name: "access",
Usage: "user access key id to be updated",
Required: true,
Aliases: []string{"a"},
},
&cli.StringFlag{
Name: "secret",
Usage: "secret access key for the new user",
Aliases: []string{"s"},
},
&cli.IntFlag{
Name: "user-id",
Usage: "userID for the new user",
Aliases: []string{"ui"},
},
&cli.IntFlag{
Name: "group-id",
Usage: "groupID for the new user",
Aliases: []string{"gi"},
},
},
},
{
Name: "delete-user",
Usage: "Delete a user",
Action: deleteUser,
Flags: []cli.Flag{
&cli.StringFlag{
Name: "access",
Usage: "access key id of the user to be deleted",
Required: true,
Aliases: []string{"a"},
},
},
},
{
Name: "list-users",
Usage: "List all the gateway users",
Action: listUsers,
},
{
Name: "change-bucket-owner",
Usage: "Changes the bucket owner",
Flags: []cli.Flag{
&cli.StringFlag{
Name: "bucket",
Usage: "the bucket name to change the owner",
Required: true,
Aliases: []string{"b"},
},
&cli.StringFlag{
Name: "owner",
Usage: "the user access key id, who should be the bucket owner",
Required: true,
Aliases: []string{"o"},
},
},
Action: changeBucketOwner,
},
{
Name: "list-buckets",
Usage: "Lists all the gateway buckets and owners.",
Action: listBuckets,
},
},
Flags: []cli.Flag{
// TODO: create a configuration file for this
&cli.StringFlag{
Name: "access",
Usage: "admin access key id",
EnvVars: []string{"ADMIN_ACCESS_KEY_ID", "ADMIN_ACCESS_KEY"},
Aliases: []string{"a"},
Required: true,
Destination: &adminAccess,
},
&cli.StringFlag{
Name: "secret",
Usage: "admin secret access key",
EnvVars: []string{"ADMIN_SECRET_ACCESS_KEY", "ADMIN_SECRET_KEY"},
Aliases: []string{"s"},
Required: true,
Destination: &adminSecret,
},
&cli.StringFlag{
Name: "endpoint-url",
Usage: "admin apis endpoint url",
EnvVars: []string{"ADMIN_ENDPOINT_URL"},
Aliases: []string{"er"},
Required: true,
Destination: &adminEndpoint,
},
&cli.BoolFlag{
Name: "allow-insecure",
Usage: "disable tls certificate verification for the admin endpoint",
EnvVars: []string{"ADMIN_ALLOW_INSECURE"},
Aliases: []string{"ai"},
Destination: &allowInsecure,
},
},
}
}
func initHTTPClient() *http.Client {
tr := &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: allowInsecure},
}
return &http.Client{Transport: tr}
}
func createUser(ctx *cli.Context) error {
access, secret, role := ctx.String("access"), ctx.String("secret"), ctx.String("role")
userID, groupID := ctx.Int("user-id"), ctx.Int("group-id")
if access == "" || secret == "" {
return fmt.Errorf("invalid input parameters for the new user access/secret keys")
}
if role != string(auth.RoleAdmin) && role != string(auth.RoleUser) && role != string(auth.RoleUserPlus) {
return fmt.Errorf("invalid input parameter for role: %v", role)
}
acc := auth.Account{
Access: access,
Secret: secret,
Role: auth.Role(role),
UserID: userID,
GroupID: groupID,
}
accJson, err := json.Marshal(acc)
if err != nil {
return fmt.Errorf("failed to parse user data: %w", err)
}
req, err := http.NewRequest(http.MethodPatch, fmt.Sprintf("%v/create-user", adminEndpoint), bytes.NewBuffer(accJson))
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
signer := v4.NewSigner()
hashedPayload := sha256.Sum256(accJson)
hexPayload := hex.EncodeToString(hashedPayload[:])
req.Header.Set("X-Amz-Content-Sha256", hexPayload)
signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", region, time.Now())
if signErr != nil {
return fmt.Errorf("failed to sign the request: %w", err)
}
client := initHTTPClient()
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
if resp.StatusCode >= 400 {
return fmt.Errorf("%s", body)
}
fmt.Printf("%s\n", body)
return nil
}
func deleteUser(ctx *cli.Context) error {
access := ctx.String("access")
if access == "" {
return fmt.Errorf("invalid input parameter for the user access key")
}
req, err := http.NewRequest(http.MethodPatch, fmt.Sprintf("%v/delete-user?access=%v", adminEndpoint, access), nil)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
signer := v4.NewSigner()
hashedPayload := sha256.Sum256([]byte{})
hexPayload := hex.EncodeToString(hashedPayload[:])
req.Header.Set("X-Amz-Content-Sha256", hexPayload)
signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", region, time.Now())
if signErr != nil {
return fmt.Errorf("failed to sign the request: %w", err)
}
client := initHTTPClient()
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
if resp.StatusCode >= 400 {
return fmt.Errorf("%s", body)
}
fmt.Printf("%s\n", body)
return nil
}
func updateUser(ctx *cli.Context) error {
access, secret, userId, groupId := ctx.String("access"), ctx.String("secret"), ctx.Int("user-id"), ctx.Int("group-id")
props := auth.MutableProps{}
if ctx.IsSet("secret") {
props.Secret = &secret
}
if ctx.IsSet("user-id") {
props.UserID = &userId
}
if ctx.IsSet("group-id") {
props.GroupID = &groupId
}
propsJSON, err := json.Marshal(props)
if err != nil {
return fmt.Errorf("failed to parse user attributes: %w", err)
}
req, err := http.NewRequest(http.MethodPatch, fmt.Sprintf("%v/update-user?access=%v", adminEndpoint, access), bytes.NewBuffer(propsJSON))
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
signer := v4.NewSigner()
hashedPayload := sha256.Sum256(propsJSON)
hexPayload := hex.EncodeToString(hashedPayload[:])
req.Header.Set("X-Amz-Content-Sha256", hexPayload)
signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", region, time.Now())
if signErr != nil {
return fmt.Errorf("failed to sign the request: %w", err)
}
client := initHTTPClient()
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
if resp.StatusCode >= 400 {
return fmt.Errorf("%s", body)
}
fmt.Printf("%s\n", body)
return nil
}
func listUsers(ctx *cli.Context) error {
req, err := http.NewRequest(http.MethodPatch, fmt.Sprintf("%v/list-users", adminEndpoint), nil)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
signer := v4.NewSigner()
hashedPayload := sha256.Sum256([]byte{})
hexPayload := hex.EncodeToString(hashedPayload[:])
req.Header.Set("X-Amz-Content-Sha256", hexPayload)
signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", region, time.Now())
if signErr != nil {
return fmt.Errorf("failed to sign the request: %w", err)
}
client := initHTTPClient()
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
if resp.StatusCode >= 400 {
return fmt.Errorf("%s", body)
}
var accs []auth.Account
if err := json.Unmarshal(body, &accs); err != nil {
return err
}
printAcctTable(accs)
return nil
}
const (
// account table formatting
minwidth int = 2 // minimal cell width including any padding
tabwidth int = 0 // width of tab characters (equivalent number of spaces)
padding int = 2 // padding added to a cell before computing its width
padchar byte = ' ' // ASCII char used for padding
flags uint = 0 // formatting control flags
)
func printAcctTable(accs []auth.Account) {
w := new(tabwriter.Writer)
w.Init(os.Stdout, minwidth, tabwidth, padding, padchar, flags)
fmt.Fprintln(w, "Account\tRole\tUserID\tGroupID")
fmt.Fprintln(w, "-------\t----\t------\t-------")
for _, acc := range accs {
fmt.Fprintf(w, "%v\t%v\t%v\t%v\n", acc.Access, acc.Role, acc.UserID, acc.GroupID)
}
fmt.Fprintln(w)
w.Flush()
}
func changeBucketOwner(ctx *cli.Context) error {
bucket, owner := ctx.String("bucket"), ctx.String("owner")
req, err := http.NewRequest(http.MethodPatch, fmt.Sprintf("%v/change-bucket-owner/?bucket=%v&owner=%v", adminEndpoint, bucket, owner), nil)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
signer := v4.NewSigner()
hashedPayload := sha256.Sum256([]byte{})
hexPayload := hex.EncodeToString(hashedPayload[:])
req.Header.Set("X-Amz-Content-Sha256", hexPayload)
signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", region, time.Now())
if signErr != nil {
return fmt.Errorf("failed to sign the request: %w", err)
}
client := initHTTPClient()
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
if resp.StatusCode >= 400 {
return fmt.Errorf("%s", body)
}
fmt.Println(string(body))
return nil
}
func printBuckets(buckets []s3response.Bucket) {
w := new(tabwriter.Writer)
w.Init(os.Stdout, minwidth, tabwidth, padding, padchar, flags)
fmt.Fprintln(w, "Bucket\tOwner")
fmt.Fprintln(w, "-------\t----")
for _, acc := range buckets {
fmt.Fprintf(w, "%v\t%v\n", acc.Name, acc.Owner)
}
fmt.Fprintln(w)
w.Flush()
}
func listBuckets(ctx *cli.Context) error {
req, err := http.NewRequest(http.MethodPatch, fmt.Sprintf("%v/list-buckets", adminEndpoint), nil)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
signer := v4.NewSigner()
hashedPayload := sha256.Sum256([]byte{})
hexPayload := hex.EncodeToString(hashedPayload[:])
req.Header.Set("X-Amz-Content-Sha256", hexPayload)
signErr := signer.SignHTTP(req.Context(), aws.Credentials{AccessKeyID: adminAccess, SecretAccessKey: adminSecret}, req, hexPayload, "s3", region, time.Now())
if signErr != nil {
return fmt.Errorf("failed to sign the request: %w", err)
}
client := initHTTPClient()
resp, err := client.Do(req)
if err != nil {
return fmt.Errorf("failed to send the request: %w", err)
}
defer resp.Body.Close()
body, err := io.ReadAll(resp.Body)
if err != nil {
return err
}
if resp.StatusCode >= 400 {
return fmt.Errorf("%s", body)
}
var buckets []s3response.Bucket
if err := json.Unmarshal(body, &buckets); err != nil {
return err
}
printBuckets(buckets)
return nil
}