Initial commit
This commit is contained in:
Ilya Sosnovsky
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10 changed files with 551 additions and 0 deletions
8
.dockerignore
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8
.dockerignore
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# IntelliJ project files
|
||||||
|
.idea
|
||||||
|
*.iml
|
||||||
|
out
|
||||||
|
gen
|
||||||
|
|
||||||
|
openvpn-user.db
|
||||||
|
openvpn-user
|
||||||
9
.gitignore
vendored
Normal file
9
.gitignore
vendored
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@ -0,0 +1,9 @@
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||||||
|
openvpn-user
|
||||||
|
openvpn-user.db
|
||||||
|
|
||||||
|
# Editor directories and files
|
||||||
|
.idea
|
||||||
|
*.suo
|
||||||
|
*.ntvs*
|
||||||
|
*.njsproj
|
||||||
|
*.sln
|
||||||
4
Dockerfile
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4
Dockerfile
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||||||
|
FROM golang:1.14.2-alpine3.11 AS builder
|
||||||
|
COPY . /app
|
||||||
|
RUN cd /app && env CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags='-linkmode external -extldflags "-static" -s -w' -o openvpn-user
|
||||||
|
|
||||||
201
LICENSE
Normal file
201
LICENSE
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|
|
@ -0,0 +1,201 @@
|
||||||
|
Apache License
|
||||||
|
Version 2.0, January 2004
|
||||||
|
http://www.apache.org/licenses/
|
||||||
|
|
||||||
|
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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|
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1. Definitions.
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"License" shall mean the terms and conditions for use, reproduction,
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END OF TERMS AND CONDITIONS
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APPENDIX: How to apply the Apache License to your work.
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To apply the Apache License to your work, attach the following
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Copyright [yyyy] [name of copyright owner]
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|
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You may obtain a copy of the License at
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|
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|
Unless required by applicable law or agreed to in writing, software
|
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|
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|
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|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
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|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
62
README.md
Normal file
62
README.md
Normal file
|
|
@ -0,0 +1,62 @@
|
||||||
|
# openvpn-user
|
||||||
|
|
||||||
|
### disclaimer
|
||||||
|
Not tested in production environments!
|
||||||
|
|
||||||
|
Use it on your own risk =)
|
||||||
|
|
||||||
|
### Description
|
||||||
|
A simple tool to use with openvpn when you need to use `–auth-user-pass-verify` or wherever you want
|
||||||
|
|
||||||
|
### Example
|
||||||
|
|
||||||
|
part of openvpn server config
|
||||||
|
```bash
|
||||||
|
auth-user-pass-verify /etc/openvpn/scripts/auth.sh via-file
|
||||||
|
```
|
||||||
|
|
||||||
|
make sure `openvpn-user` binary available through `PATH` variable
|
||||||
|
i.e. put it in `/usr/local/sbin/openvpn-user`
|
||||||
|
|
||||||
|
### Usage
|
||||||
|
```
|
||||||
|
usage: openvpn-user [<flags>] <command> [<args> ...]
|
||||||
|
|
||||||
|
Flags:
|
||||||
|
--help Show context-sensitive help (also try --help-long and --help-man).
|
||||||
|
--db.path="./openvpn-user.db" path do openvpn-user db
|
||||||
|
|
||||||
|
Commands:
|
||||||
|
help [<command>...]
|
||||||
|
Show help.
|
||||||
|
|
||||||
|
db-init
|
||||||
|
Init db.
|
||||||
|
|
||||||
|
db-migrate
|
||||||
|
STUB: Migrate db.
|
||||||
|
|
||||||
|
create --user=USER --password=PASSWORD
|
||||||
|
Create user.
|
||||||
|
|
||||||
|
delete --user=USER
|
||||||
|
Delete user.
|
||||||
|
|
||||||
|
revoke --user=USER
|
||||||
|
Revoke user.
|
||||||
|
|
||||||
|
restore --user=USER
|
||||||
|
Restore user.
|
||||||
|
|
||||||
|
list [<flags>]
|
||||||
|
List active users.
|
||||||
|
|
||||||
|
flags:
|
||||||
|
--all Show all users include revoked and delete
|
||||||
|
|
||||||
|
auth --user=USER --password=PASSWORD
|
||||||
|
Auth user.
|
||||||
|
|
||||||
|
change-password --user=USER --password=PASSWORD
|
||||||
|
Change password
|
||||||
|
```
|
||||||
5
auth.sh
Normal file
5
auth.sh
Normal file
|
|
@ -0,0 +1,5 @@
|
||||||
|
#!/usr/bin/env sh
|
||||||
|
|
||||||
|
set -e
|
||||||
|
|
||||||
|
openvpn-user auth --user $(head -1 $1) --password $(tail -1 $1)
|
||||||
3
build.sh
Executable file
3
build.sh
Executable file
|
|
@ -0,0 +1,3 @@
|
||||||
|
#!/usr/bin/env bash
|
||||||
|
|
||||||
|
env CGO_ENABLED=1 GOOS=linux GOARCH=amd64 go build -ldflags='-linkmode external -extldflags "-static" -s -w' -o openvpn-user
|
||||||
14
go.mod
Normal file
14
go.mod
Normal file
|
|
@ -0,0 +1,14 @@
|
||||||
|
module openvpn-user
|
||||||
|
|
||||||
|
go 1.14
|
||||||
|
|
||||||
|
require (
|
||||||
|
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
|
||||||
|
github.com/alecthomas/units v0.0.0-20201120081800-1786d5ef83d4 // indirect
|
||||||
|
github.com/iamacarpet/go-sqlite3-dynamic v0.0.0-20190515092955-345069c6d7b9
|
||||||
|
github.com/mattn/go-sqlite3 v1.14.6
|
||||||
|
github.com/notti/nocgo v0.0.0-20190619201224-fc443047424c // indirect
|
||||||
|
github.com/stretchr/testify v1.7.0 // indirect
|
||||||
|
golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
|
||||||
|
gopkg.in/alecthomas/kingpin.v2 v2.2.6
|
||||||
|
)
|
||||||
33
go.sum
Normal file
33
go.sum
Normal file
|
|
@ -0,0 +1,33 @@
|
||||||
|
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 h1:JYp7IbQjafoB+tBA3gMyHYHrpOtNuDiK/uB5uXxq5wM=
|
||||||
|
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
|
||||||
|
github.com/alecthomas/units v0.0.0-20201120081800-1786d5ef83d4 h1:EBTWhcAX7rNQ80RLwLCpHZBBrJuzallFHnF+yMXo928=
|
||||||
|
github.com/alecthomas/units v0.0.0-20201120081800-1786d5ef83d4/go.mod h1:OMCwj8VM1Kc9e19TLln2VL61YJF0x1XFtfdL4JdbSyE=
|
||||||
|
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
|
||||||
|
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
|
||||||
|
github.com/iamacarpet/go-sqlite3-dynamic v0.0.0-20190515092955-345069c6d7b9 h1:MDZ6mJ7Ouz9lSwLtD7v2QeDlbdL6rONTAJRNEQqRYC0=
|
||||||
|
github.com/iamacarpet/go-sqlite3-dynamic v0.0.0-20190515092955-345069c6d7b9/go.mod h1:HSsZaV17NZLgfHsNz3wzjE66Gd2EGlF8OuC0DdPpgPk=
|
||||||
|
github.com/mattn/go-sqlite3 v1.14.6 h1:dNPt6NO46WmLVt2DLNpwczCmdV5boIZ6g/tlDrlRUbg=
|
||||||
|
github.com/mattn/go-sqlite3 v1.14.6/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4A/KQRfk6bU=
|
||||||
|
github.com/notti/nocgo v0.0.0-20190619201224-fc443047424c h1:3fTZ9+GLtn9eqKC1RGLojMG7St2WsskOeGXKFEhNTlo=
|
||||||
|
github.com/notti/nocgo v0.0.0-20190619201224-fc443047424c/go.mod h1:kJHUidcvEI83gsDlB+I58aaOuzvJmPfbqrqYjTqmdHA=
|
||||||
|
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
|
||||||
|
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
|
||||||
|
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
|
||||||
|
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
|
||||||
|
github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
|
||||||
|
github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
|
||||||
|
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
|
||||||
|
golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad h1:DN0cp81fZ3njFcrLCytUHRSUkqBjfTo4Tx9RJTWs0EY=
|
||||||
|
golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
|
||||||
|
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
|
||||||
|
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
|
||||||
|
golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
|
||||||
|
golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
|
||||||
|
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||||
|
gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
|
||||||
|
gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
|
||||||
|
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
|
||||||
|
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||||
|
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
|
||||||
|
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
|
||||||
|
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
|
||||||
212
openvpn-user.go
Normal file
212
openvpn-user.go
Normal file
|
|
@ -0,0 +1,212 @@
|
||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"database/sql"
|
||||||
|
"fmt"
|
||||||
|
_ "github.com/mattn/go-sqlite3"
|
||||||
|
"golang.org/x/crypto/bcrypt"
|
||||||
|
"gopkg.in/alecthomas/kingpin.v2"
|
||||||
|
"os"
|
||||||
|
"text/tabwriter"
|
||||||
|
)
|
||||||
|
|
||||||
|
var (
|
||||||
|
dbPath = kingpin.Flag("db.path", "path do openvpn-user db").Default("./openvpn-user.db").String()
|
||||||
|
|
||||||
|
dbInitCommand = kingpin.Command("db-init", "Init db.")
|
||||||
|
dbMigrateCommand = kingpin.Command("db-migrate", "STUB: Migrate db.")
|
||||||
|
|
||||||
|
createCommand = kingpin.Command("create", "Create user.")
|
||||||
|
createCommandUserFlag = createCommand.Flag("user", "Username.").Required().String()
|
||||||
|
createCommandPasswordFlag = createCommand.Flag("password", "Password.").Required().String()
|
||||||
|
|
||||||
|
deleteCommand = kingpin.Command("delete", "Delete user.")
|
||||||
|
deleteCommandUserFlag = deleteCommand.Flag("user", "Username.").Required().String()
|
||||||
|
|
||||||
|
revokeCommand = kingpin.Command("revoke", "Revoke user.")
|
||||||
|
revokeCommandUserFlag = revokeCommand.Flag("user", "Username.").Required().String()
|
||||||
|
|
||||||
|
restoreCommand = kingpin.Command("restore", "Restore user.")
|
||||||
|
restoreCommandUserFlag = restoreCommand.Flag("user", "Username.").Required().String()
|
||||||
|
|
||||||
|
listCommand = kingpin.Command("list", "List active users.")
|
||||||
|
listAll = listCommand.Flag("all", "Show all users include revoked and deleted.").Default("false").Bool()
|
||||||
|
|
||||||
|
authCommand = kingpin.Command("auth", "Auth user.")
|
||||||
|
authCommandUserFlag = authCommand.Flag("user", "Username.").Required().String()
|
||||||
|
authCommandPasswordFlag = authCommand.Flag("password", "Password.").Required().String()
|
||||||
|
|
||||||
|
changePasswordCommand = kingpin.Command("change-password", "Change password")
|
||||||
|
changePasswordCommandUserFlag = changePasswordCommand.Flag("user", "Username.").Required().String()
|
||||||
|
changePasswordCommandPasswordFlag = changePasswordCommand.Flag("password", "Password.").Required().String()
|
||||||
|
|
||||||
|
//debug = kingpin.Flag("debug", "Enable debug mode.").Default("false").Bool()
|
||||||
|
//verbose = kingpin.Flag("verbose", "Enable verbose mode.").Default("false").Bool()
|
||||||
|
|
||||||
|
)
|
||||||
|
|
||||||
|
type User struct {
|
||||||
|
id int64
|
||||||
|
name string
|
||||||
|
password string
|
||||||
|
revoked bool
|
||||||
|
deleted bool
|
||||||
|
}
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
|
||||||
|
switch kingpin.Parse() {
|
||||||
|
case createCommand.FullCommand():
|
||||||
|
createUser(*createCommandUserFlag, *createCommandPasswordFlag)
|
||||||
|
case deleteCommand.FullCommand():
|
||||||
|
deleteUser(*deleteCommandUserFlag)
|
||||||
|
case revokeCommand.FullCommand():
|
||||||
|
revokedUser(*revokeCommandUserFlag)
|
||||||
|
case restoreCommand.FullCommand():
|
||||||
|
restoreUser(*restoreCommandUserFlag)
|
||||||
|
case listCommand.FullCommand():
|
||||||
|
printUsers()
|
||||||
|
case authCommand.FullCommand():
|
||||||
|
authUser(*authCommandUserFlag, *authCommandPasswordFlag)
|
||||||
|
case changePasswordCommand.FullCommand():
|
||||||
|
changeUserPassword(*changePasswordCommandUserFlag, *changePasswordCommandPasswordFlag)
|
||||||
|
case dbInitCommand.FullCommand():
|
||||||
|
initDb()
|
||||||
|
case dbMigrateCommand.FullCommand():
|
||||||
|
migrateDb()
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func getDb() *sql.DB {
|
||||||
|
db, err := sql.Open("sqlite3", *dbPath)
|
||||||
|
checkErr(err)
|
||||||
|
if db == nil {
|
||||||
|
panic("db is nil")
|
||||||
|
}
|
||||||
|
return db
|
||||||
|
}
|
||||||
|
|
||||||
|
func initDb() {
|
||||||
|
// boolean fields are integer because of sqlite does not support boolean: 1 = true, 0 = false
|
||||||
|
_, err := getDb().Exec("CREATE TABLE IF NOT EXISTS users(id integer not null primary key autoincrement, username string UNIQUE, password string, revoked integer default 0, deleted integer default 0)")
|
||||||
|
checkErr(err)
|
||||||
|
fmt.Printf("Database initialized at %s\n", *dbPath)
|
||||||
|
}
|
||||||
|
|
||||||
|
func migrateDb() {
|
||||||
|
fmt.Println("STUB: Migrations are up to date")
|
||||||
|
}
|
||||||
|
|
||||||
|
func createUser(username, password string) {
|
||||||
|
if !checkUserExistent(username) {
|
||||||
|
hash, _ := bcrypt.GenerateFromPassword([]byte(password), bcrypt.MinCost)
|
||||||
|
_, err := getDb().Exec("INSERT INTO users(username, password) VALUES ($1, $2)", username, string(hash))
|
||||||
|
checkErr(err)
|
||||||
|
fmt.Printf("User %s created\n", username)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func deleteUser(username string) {
|
||||||
|
_, err := getDb().Exec("UPDATE users SET deleted = 1 WHERE username = $1", username)
|
||||||
|
checkErr(err)
|
||||||
|
fmt.Printf("User %s deleted\n", username)
|
||||||
|
}
|
||||||
|
|
||||||
|
func revokedUser(username string) {
|
||||||
|
// TODO: ignore deleted user
|
||||||
|
_, err := getDb().Exec("UPDATE users SET revoked = 1 WHERE username = $1", username)
|
||||||
|
checkErr(err)
|
||||||
|
fmt.Printf("User %s revoked\n", username)
|
||||||
|
}
|
||||||
|
|
||||||
|
func restoreUser(username string) {
|
||||||
|
// TODO: ignore deleted user
|
||||||
|
_, err := getDb().Exec("UPDATE users SET revoked = 0 WHERE username = $1", username)
|
||||||
|
checkErr(err)
|
||||||
|
fmt.Printf("User %s restored\n", username)
|
||||||
|
}
|
||||||
|
|
||||||
|
func checkUserExistent(username string) bool {
|
||||||
|
// we need to check if there is already such a user
|
||||||
|
|
||||||
|
var c int
|
||||||
|
_ = getDb().QueryRow("SELECT count(*) FROM users WHERE username = $1", username).Scan(&c)
|
||||||
|
if c == 1 {
|
||||||
|
fmt.Printf("WARNING: User %s already registered\n", username)
|
||||||
|
return true
|
||||||
|
} else {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func listUsers() []User {
|
||||||
|
condition := "WHERE deleted = 0 AND revoked = 0"
|
||||||
|
var users []User
|
||||||
|
if *listAll {
|
||||||
|
condition = ""
|
||||||
|
}
|
||||||
|
query := "SELECT * FROM users " + condition
|
||||||
|
rows, err := getDb().Query(query)
|
||||||
|
checkErr(err)
|
||||||
|
|
||||||
|
for rows.Next() {
|
||||||
|
u := User{}
|
||||||
|
err := rows.Scan(&u.id, &u.name, &u.password, &u.revoked, &u.deleted)
|
||||||
|
if err != nil {
|
||||||
|
fmt.Println(err)
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
users = append(users, u)
|
||||||
|
}
|
||||||
|
|
||||||
|
return users
|
||||||
|
}
|
||||||
|
|
||||||
|
func printUsers() {
|
||||||
|
ul := listUsers()
|
||||||
|
if len(ul) > 0 {
|
||||||
|
w := tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', tabwriter.TabIndent|tabwriter.Debug)
|
||||||
|
_, _ = fmt.Fprintln(w, "id\t username\t revoked\t deleted")
|
||||||
|
for _, u := range ul {
|
||||||
|
fmt.Fprintf(w, "%d\t %s\t %v\t %v\n", u.id, u.name, u.revoked, u.deleted)
|
||||||
|
}
|
||||||
|
_ = w.Flush()
|
||||||
|
} else {
|
||||||
|
fmt.Println("No users created yet")
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func changeUserPassword(username, password string) {
|
||||||
|
hash, _ := bcrypt.GenerateFromPassword([]byte(password), bcrypt.MinCost)
|
||||||
|
_, err := getDb().Exec("UPDATE users SET password = $1 WHERE username = $2", hash, username)
|
||||||
|
checkErr(err)
|
||||||
|
|
||||||
|
fmt.Println("Password changed")
|
||||||
|
}
|
||||||
|
|
||||||
|
func authUser(username, password string) {
|
||||||
|
|
||||||
|
row := getDb().QueryRow("select * from users where username = $1", username)
|
||||||
|
u := User{}
|
||||||
|
err := row.Scan(&u.id, &u.name, &u.password, &u.revoked, &u.deleted)
|
||||||
|
checkErr(err)
|
||||||
|
|
||||||
|
if ! u.revoked && ! u.deleted {
|
||||||
|
err = bcrypt.CompareHashAndPassword([]byte(u.password), []byte(password))
|
||||||
|
if err != nil {
|
||||||
|
fmt.Println("Passwords mismatched")
|
||||||
|
os.Exit(1)
|
||||||
|
} else {
|
||||||
|
fmt.Println("Auth successful")
|
||||||
|
os.Exit(0)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
fmt.Println("Authorization failed")
|
||||||
|
os.Exit(1)
|
||||||
|
}
|
||||||
|
|
||||||
|
func checkErr(err error) {
|
||||||
|
if err != nil {
|
||||||
|
panic(err)
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in a new issue