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mirror of https://shylinux.com/x/ContextOS synced 2025-04-27 01:28:28 +08:00
2018-12-29 10:21:11 +08:00

795 lines
25 KiB
Go

package aaa
import (
"contexts/ctx"
"crypto"
"crypto/aes"
"crypto/cipher"
"crypto/md5"
crand "crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/base64"
"encoding/hex"
"encoding/pem"
"fmt"
"io"
"io/ioutil"
"math/big"
"math/rand"
"os"
"strings"
"time"
)
type AAA struct {
certificate *x509.Certificate
public *rsa.PublicKey
private *rsa.PrivateKey
encrypt cipher.BlockMode
decrypt cipher.BlockMode
*ctx.Context
}
func Password(pwd string) string {
bs := md5.Sum([]byte(fmt.Sprintln("password:%s", pwd)))
return hex.EncodeToString(bs[:])
}
func (aaa *AAA) Input(stream string) []byte {
if b, e := ioutil.ReadFile(stream); e == nil {
return b
}
return []byte(stream)
}
func (aaa *AAA) Decode(stream string) []byte {
buf, e := ioutil.ReadFile(stream)
if e != nil {
buf = []byte(stream)
}
block, _ := pem.Decode(buf)
return block.Bytes
}
func (aaa *AAA) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server {
now := time.Now().Unix()
c.Caches = map[string]*ctx.Cache{
"method": &ctx.Cache{Name: "method", Value: arg[0], Help: "登录方式"},
"sessid": &ctx.Cache{Name: "sessid", Value: "", Help: "会话令牌"},
"login_time": &ctx.Cache{Name: "login_time", Value: fmt.Sprintf("%d", now), Help: "登录时间"},
"expire_time": &ctx.Cache{Name: "expire_time", Value: fmt.Sprintf("%d", int64(m.Confi("expire"))+now), Help: "会话超时"},
}
c.Configs = map[string]*ctx.Config{
"right": &ctx.Config{Name: "right", Value: map[string]interface{}{}, Help: "用户权限"},
}
s := new(AAA)
s.Context = c
return s
}
func (aaa *AAA) Begin(m *ctx.Message, arg ...string) ctx.Server {
return aaa
}
func (aaa *AAA) Start(m *ctx.Message, arg ...string) bool {
stream := arg[1]
switch arg[0] {
case "cert":
cert, e := x509.ParseCertificate(aaa.Decode(stream))
m.Assert(e)
aaa.certificate = cert
aaa.public = cert.PublicKey.(*rsa.PublicKey)
stream = Password(stream)
case "pub":
public, e := x509.ParsePKIXPublicKey(aaa.Decode(stream))
m.Assert(e)
aaa.public = public.(*rsa.PublicKey)
stream = Password(stream)
case "key":
private, e := x509.ParsePKCS1PrivateKey(aaa.Decode(stream))
m.Assert(e)
aaa.private = private
aaa.public = &aaa.private.PublicKey
stream = Password(stream)
}
m.Log("info", "%d login %s", m.Capi("nuser"), m.Cap("stream", stream))
return false
}
func (aaa *AAA) Close(m *ctx.Message, arg ...string) bool {
return false
}
var Index = &ctx.Context{Name: "aaa", Help: "认证中心",
Caches: map[string]*ctx.Cache{
"nuser": &ctx.Cache{Name: "nuser", Value: "0", Help: "用户数量"},
},
Configs: map[string]*ctx.Config{
"hash": &ctx.Config{Name: "hash", Value: map[string]interface{}{}, Help: "散列"},
"auth": &ctx.Config{Name: "auth", Value: map[string]interface{}{}, Help: "散列"},
"auth_type": &ctx.Config{Name: "auth_type", Value: map[string]interface{}{
"password": map[string]interface{}{"private": true, "secrete": true, "single": true},
}, Help: "散列"},
"secrete_key": &ctx.Config{Name: "secrete_key", Value: map[string]interface{}{"password": 1, "uuid": 1}, Help: "私钥文件"},
"expire": &ctx.Config{Name: "expire(s)", Value: "72000", Help: "会话超时"},
"cert": &ctx.Config{Name: "cert", Value: "etc/pem/cert.pem", Help: "证书文件"},
"pub": &ctx.Config{Name: "pub", Value: "etc/pem/pub.pem", Help: "公钥文件"},
"key": &ctx.Config{Name: "key", Value: "etc/pem/key.pem", Help: "私钥文件"},
},
Commands: map[string]*ctx.Command{
"hash": &ctx.Command{Name: "hash type data time rand", Help: "数字摘要", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) {
if len(arg) == 0 {
m.Spawn().Cmd("config", "hash").CopyTo(m)
return
}
if arg[0] == "file" {
if f, e := os.Open(arg[1]); e == nil {
hash := md5.New()
io.Copy(hash, f)
h := hash.Sum(nil)
arg[1] = hex.EncodeToString(h[:])
}
}
meta := []string{}
for _, v := range arg {
switch v {
case "time":
v = time.Now().Format(m.Conf("time_format"))
case "rand":
v = fmt.Sprintf("%d", rand.Int())
case "":
continue
}
meta = append(meta, v)
}
h := md5.Sum(aaa.Input(strings.Join(meta, "")))
hs := hex.EncodeToString(h[:])
m.Log("info", "%s: %v", hs, meta)
m.Confv("hash", hs, meta)
m.Echo(hs)
}
}},
"auth": &ctx.Command{Name: "auth create", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if len(arg) == 0 {
m.Spawn().Cmd("config", "auth").Cmd("select", "parse", "value", "", "fields", "key type meta ship data").CopyTo(m)
return
}
// 会话操作
s, t := "", ""
switch arg[0] {
case "create": // 创建会话
s, t = m.Spawn().Cmd("hash", arg[1], arg[2], "time", "rand").Result(0), arg[1]
m.Confv("auth", s, map[string]interface{}{
"create_time": time.Now().Unix(),
"type": arg[1],
"meta": arg[2],
})
defer func() {
m.Set("result").Echo(s)
}()
if arg = arg[3:]; len(arg) == 0 {
return
}
case "follow": // 检查会话
ps := []string{m.Spawn().Cmd("hash", arg[1], arg[2]).Result(0)}
for i := 0; i < len(ps); i++ {
ship, ok := m.Confv("auth", []interface{}{ps[i], "ship"}).(map[string]interface{})
if !ok {
return
}
for k, v := range ship {
val := v.(map[string]interface{})
if val["level"].(string) == "0" {
continue
}
if val["type"].(string) == arg[3] && val["meta"].(string) == arg[4] {
m.Echo(k)
return
}
ps = append(ps, k)
}
}
return
default:
if v, ok := m.Confv("auth", []interface{}{arg[0], "type"}).(string); ok {
s, t, arg = arg[0], v, arg[1:]
if len(arg) == 0 {
arg = append(arg, "data")
}
}
}
which, p, chain := "data", s, []map[string]string{}
for i := 0; i < len(arg); i += 2 {
switch arg[i] { // 切换类型
case "data", "ship", "":
which, i = arg[i], i+1
}
m.Log("fuck", "which: %s arg: %v", which, arg[i:])
if i > len(arg)-1 { // 查询会话
args := []string{p}
if which != "" {
args = append(args, which)
}
m.Spawn().Cmd("config", "auth", strings.Join(args, ".")).CopyTo(m)
return
}
switch which {
case "ship": // 节点操作
if i == len(arg)-1 { // 读取节点
for k, _ := range m.Confv("auth", []interface{}{p, "ship"}).(map[string]interface{}) {
if auth, ok := m.Confv("auth", k).(map[string]interface{}); ok {
if auth["type"].(string) == arg[i] {
m.Add("append", "key", k)
m.Add("append", "type", auth["type"])
m.Add("append", "meta", auth["meta"])
}
}
}
m.Table()
return
}
condition := ""
if ctx.Right(m.Confv("auth_type", []interface{}{arg[i], "private"})) {
condition = p // 私有节点
}
value := arg[i+1]
if ctx.Right(m.Confv("auth_type", []interface{}{arg[i], "secrete"})) {
value = Password(value) // 加密节点
}
h := m.Spawn().Cmd("hash", arg[i], value, condition).Result(0)
if sess := m.Confv("auth", h); sess == nil {
if ctx.Right(m.Confv("auth_type", []interface{}{arg[i], "single"})) { // 单点认证
if v, ok := m.Confv("auth", []interface{}{p, "ship"}).(map[string]interface{}); ok {
for k, _ := range v {
if node, ok := m.Confv("auth", []interface{}{k, "type"}).(string); ok && node == arg[i] {
return // 认证失败
}
}
}
}
// 创建节点
m.Confv("auth", h, map[string]interface{}{"create_time": time.Now().Unix(), "type": arg[i], "meta": value})
}
if s != "" { // 添加根链接
chain = append(chain, map[string]string{"node": s, "hash": h, "level": "2", "type": arg[i], "meta": value})
}
if p != "" { // 添加子链接
chain = append(chain, map[string]string{"node": p, "hash": h, "level": "1", "type": arg[i], "meta": value})
}
if p != "" { // 添加父链接
chain = append(chain, map[string]string{"node": h, "hash": p, "level": "0", "type": t, "meta": ""})
}
p, t = h, arg[i]
case "data": // 数据操作
if i == len(arg)-1 { // 读取数据
value := m.Confv("auth", []interface{}{p, "data", arg[i]})
if ship, ok := m.Confv("auth", []interface{}{p, "ship"}).(map[string]interface{}); ok {
for k, _ := range ship {
if value != nil {
break
}
value = m.Confv("auth", []interface{}{k, "data", arg[i]})
}
}
if value != nil {
m.Echo("%v", value)
}
return
}
// 添加数据
m.Confv("auth", []interface{}{p, "data", arg[i]}, arg[i+1])
}
}
for _, v := range chain { // 保存链接
m.Log("info", "chain: %v", v)
m.Confv("auth", []interface{}{v["node"], "ship", v["hash"]}, map[string]interface{}{"level": v["level"], "type": v["type"], "meta": v["meta"]})
}
m.Echo(p)
}},
"login": &ctx.Command{Name: "login [sessid]|[username password]",
Form: map[string]int{"ip": 1, "openid": 1, "cert": 1, "pub": 1, "key": 1},
Help: []string{"会话管理", "sessid: 令牌", "username: 账号", "password: 密码",
"ip: 主机地址", "openid: 微信登录", "cert: 证书", "pub: 公钥", "key: 私钥"},
Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if _, ok := c.Server.(*AAA); m.Assert(ok) {
method := ""
for _, v := range []string{"ip", "openid", "cert", "pub", "key"} {
if m.Has(v) {
method = v
}
}
if method != "" {
m.Travel(func(m *ctx.Message, n int) bool {
if n > 0 && m.Cap("method") == method {
switch method {
case "ip", "openid":
if m.Cap("stream") == m.Option(method) {
m.Cap("expire_time", fmt.Sprintf("%d", time.Now().Unix()+int64(m.Confi("expire"))))
m.Echo(m.Cap("sessid"))
return false
}
case "cert", "pub", "key":
if m.Cap("stream") == Password(m.Option(method)) {
m.Cap("expire_time", fmt.Sprintf("%d", time.Now().Unix()+int64(m.Confi("expire"))))
m.Echo(m.Cap("sessid"))
return false
}
}
}
return true
}, c)
if m.Results(0) {
return
}
m.Start(fmt.Sprintf("user%d", m.Capi("nuser", 1)), "用户登录", method, m.Option(method))
m.Echo(m.Cap("sessid"))
return
}
switch len(arg) {
case 2:
m.Travel(func(m *ctx.Message, n int) bool {
if n > 0 && m.Cap("method") == "password" && m.Cap("stream") == arg[0] {
m.Assert(m.Cap("password") == Password(arg[1]))
m.Cap("expire_time", fmt.Sprintf("%d", time.Now().Unix()+int64(m.Confi("expire"))))
m.Echo(m.Cap("sessid"))
return false
}
return true
}, c)
if m.Results(0) {
m.Append("sessid", m.Result(0))
return
}
if arg[0] == "" {
return
}
name := ""
switch arg[0] {
case "root", "void":
name = arg[0]
default:
name = fmt.Sprintf("user%d", m.Capi("nuser", 1))
}
m.Start(name, "密码登录", "password", arg[0])
m.Cap("password", "password", Password(arg[1]), "密码登录")
m.Append("sessid", m.Cap("sessid"))
m.Echo(m.Cap("sessid"))
return
case 1:
m.Sess("login", nil)
m.Travel(func(m *ctx.Message, n int) bool {
if n > 0 && m.Cap("sessid") == arg[0] {
if int64(m.Capi("expire_time")) > time.Now().Unix() {
m.Sess("login", m.Target().Message())
m.Append("login_time", time.Unix(int64(m.Capi("login_time")), 0).Format(m.Conf("time_format")))
m.Append("expire_time", time.Unix(int64(m.Capi("expire_time")), 0).Format(m.Conf("time_format")))
m.Echo(m.Cap("stream"))
} else {
m.Target().Close(m)
}
return false
}
return true
}, c)
case 0:
m.Travel(func(m *ctx.Message, n int) bool {
if n > 0 {
m.Add("append", "method", m.Cap("method"))
m.Add("append", "stream", m.Cap("stream"))
}
return true
}, c)
m.Table()
}
}
}},
"userinfo": &ctx.Command{Name: "userinfo sessid", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
m.Travel(func(m *ctx.Message, n int) bool {
if m.Cap("sessid") == arg[0] {
m.Append("method", m.Cap("method"))
m.Append("stream", m.Cap("stream"))
m.Append("sessid", m.Cap("sessid"))
m.Append("login_time", m.Cap("login_time"))
m.Append("expire_time", m.Cap("expire_time"))
}
return true
})
m.Table()
}},
"right": &ctx.Command{Name: "right [user [check|owner|share group [order] [add|del]]]", Form: map[string]int{"from": 1}, Help: "权限管理", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
m.Travel(func(m *ctx.Message, n int) bool {
if n == 0 {
return true
}
if len(arg) == 0 {
m.Add("append", "user", m.Cap("stream"))
m.Add("append", "right", m.Confv("right"))
return true
}
if m.Cap("stream") == arg[0] {
if len(arg) == 1 { //查看所有权
for k, v := range m.Confv("right").(map[string]interface{}) {
for order, right := range v.(map[string]interface{}) {
m.Add("append", "group", k)
m.Add("append", "order", order)
m.Add("append", "right", right)
}
}
return true
}
if arg[1] == "check" { //权限检查
if from := m.Confv("right", []interface{}{"right", "role"}); from != nil && from.(string) == "root" {
m.Echo("root")
}
if len(arg) == 2 {
return false
}
if from := m.Confv("right", []interface{}{arg[2], "right", "role"}); from != nil && from.(string) == "owner" {
m.Echo("owner")
}
if len(arg) == 3 {
return false
}
if from := m.Confv("right", []interface{}{arg[2], arg[3], "right", "role"}); from != nil && from.(string) == "share" {
m.Echo("share")
}
return false
}
if len(arg) == 2 { //分配人事权
if m.Option("from") != "root" {
return false
}
switch arg[1] {
case "add":
m.Confv("right", []interface{}{"right", "role"}, "root")
m.Confv("right", []interface{}{"right", "from"}, m.Option("from"))
case "del":
m.Confv("right", []interface{}{"right", "role"}, "")
}
return true
}
if len(arg) == 3 { //查看使用权
for k, v := range m.Confv("right", arg[2]).(map[string]interface{}) {
for order, right := range v.(map[string]interface{}) {
m.Add("append", "order", k)
m.Add("append", "right", order)
m.Add("append", "detail", right)
}
}
return true
}
switch arg[1] {
case "owner": //分配所有权
if m.Cmd("right", m.Option("from"), "check").Result(0) == "" {
return false
}
switch arg[3] {
case "add":
m.Confv("right", []interface{}{arg[2], "right", "role"}, "owner")
m.Confv("right", []interface{}{arg[2], "right", "from"}, m.Option("from"))
case "del":
m.Confv("right", []interface{}{arg[2], "right", "role"}, "")
}
case "share": //分配使用权
if m.Cmd("right", m.Option("from"), "check", arg[2]).Result(0) == "" {
return false
}
switch arg[4] {
case "add":
m.Confv("right", []interface{}{arg[2], arg[3], "right", "role"}, "share")
m.Confv("right", []interface{}{arg[2], arg[3], "right", "from"}, m.Option("from"))
case "del":
m.Confv("right", []interface{}{arg[2], arg[3], "right", "role"}, "")
}
}
return false
}
return true
}, c)
m.Table()
}},
"rsa": &ctx.Command{Name: "rsa gen|sign|verify|encrypt|decrypt|cert",
Help: []string{"gen: 生成密钥, sgin: 私钥签名, verify: 公钥验签, encrypt: 公钥加密, decrypt: 私钥解密",
"密钥: rsa gen [keyfile [pubfile [certfile]]]",
"加密: rsa encrypt pub content [enfile]",
"解密: rsa decrypt key content [defile]",
"签名: rsa sign key content [signfile]",
"验签: rsa verify pub content",
},
Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) {
switch arg[0] {
case "gen":
// 生成私钥
keys, e := rsa.GenerateKey(crand.Reader, 1024)
m.Assert(e)
private := string(pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(keys)}))
m.Echo(m.Append("private", private))
// 生成公钥
pub, e := x509.MarshalPKIXPublicKey(&keys.PublicKey)
m.Assert(e)
public := string(pem.EncodeToMemory(&pem.Block{Type: "RSA PUBLIC KEY", Bytes: pub}))
m.Echo(m.Append("public", public))
// 生成证书
template := x509.Certificate{
SerialNumber: big.NewInt(1),
IsCA: true,
KeyUsage: x509.KeyUsageCertSign,
}
cert, e := x509.CreateCertificate(crand.Reader, &template, &template, &keys.PublicKey, keys)
m.Assert(e)
certificate := string(pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: cert}))
m.Echo(m.Append("certificate", certificate))
// 输出文件
if len(arg) > 1 {
ioutil.WriteFile(arg[1], []byte(private), 0666)
}
if len(arg) > 2 {
ioutil.WriteFile(arg[2], []byte(public), 0666)
}
if len(arg) > 3 {
ioutil.WriteFile(arg[3], []byte(certificate), 0666)
}
case "sign":
private, e := x509.ParsePKCS1PrivateKey(aaa.Decode(arg[1]))
m.Assert(e)
h := md5.Sum(aaa.Input(arg[2]))
b, e := rsa.SignPKCS1v15(crand.Reader, private, crypto.MD5, h[:])
m.Assert(e)
res := base64.StdEncoding.EncodeToString(b)
if m.Echo(res); len(arg) > 3 {
ioutil.WriteFile(arg[3], []byte(res), 0666)
}
case "verify":
public, e := x509.ParsePKIXPublicKey(aaa.Decode(arg[1]))
m.Assert(e)
buf := make([]byte, 1024)
n, e := base64.StdEncoding.Decode(buf, aaa.Input(arg[2]))
m.Assert(e)
buf = buf[:n]
h := md5.Sum(aaa.Input(arg[3]))
m.Echo("%t", rsa.VerifyPKCS1v15(public.(*rsa.PublicKey), crypto.MD5, h[:], buf) == nil)
case "encrypt":
public, e := x509.ParsePKIXPublicKey(aaa.Decode(arg[1]))
m.Assert(e)
b, e := rsa.EncryptPKCS1v15(crand.Reader, public.(*rsa.PublicKey), aaa.Input(arg[2]))
m.Assert(e)
res := base64.StdEncoding.EncodeToString(b)
if m.Echo(res); len(arg) > 3 {
ioutil.WriteFile(arg[3], []byte(res), 0666)
}
case "decrypt":
private, e := x509.ParsePKCS1PrivateKey(aaa.Decode(arg[1]))
m.Assert(e)
buf := make([]byte, 1024)
n, e := base64.StdEncoding.Decode(buf, aaa.Input(arg[2]))
m.Assert(e)
buf = buf[:n]
b, e := rsa.DecryptPKCS1v15(crand.Reader, private, buf)
m.Assert(e)
if m.Echo(string(b)); len(arg) > 3 {
ioutil.WriteFile(arg[3], b, 0666)
}
case "cert":
private, e := x509.ParsePKCS1PrivateKey(aaa.Decode(arg[1]))
m.Assert(e)
cert, e := x509.ParseCertificate(aaa.Decode(arg[2]))
m.Assert(e)
public, e := x509.ParsePKIXPublicKey(aaa.Decode(arg[3]))
m.Assert(e)
template := &x509.Certificate{
SerialNumber: big.NewInt(rand.Int63()),
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(1, 0, 0),
}
buf, e := x509.CreateCertificate(crand.Reader, template, cert, public, private)
certificate := string(pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: buf}))
if m.Echo(certificate); len(arg) > 4 {
ioutil.WriteFile(arg[4], []byte(certificate), 0666)
}
case "check":
defer func() {
recover()
}()
root, e := x509.ParseCertificate(aaa.Decode(arg[1]))
m.Assert(e)
cert, e := x509.ParseCertificate(aaa.Decode(arg[2]))
m.Assert(e)
// ee := cert.CheckSignatureFrom(root)
// m.Echo("%v", ee)
//
pool := &x509.CertPool{}
m.Echo("%c", pool)
pool.AddCert(root)
c, e := cert.Verify(x509.VerifyOptions{Roots: pool})
m.Echo("%c", c)
}
}
}},
"cert": &ctx.Command{Name: "cert [filename]", Help: "导出证书", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.certificate != nil {
certificate := string(pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: aaa.certificate.Raw}))
if m.Echo(certificate); len(arg) > 0 {
m.Assert(ioutil.WriteFile(arg[0], []byte(certificate), 0666))
}
}
}},
"pub": &ctx.Command{Name: "pub [filename]", Help: "导出公钥", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.public != nil {
pub, e := x509.MarshalPKIXPublicKey(aaa.public)
m.Assert(e)
public := string(pem.EncodeToMemory(&pem.Block{Type: "RSA PUBLIC KEY", Bytes: pub}))
if m.Echo(public); len(arg) > 0 {
m.Assert(ioutil.WriteFile(arg[0], []byte(public), 0666))
}
}
}},
"key": &ctx.Command{Name: "key [filename]", Help: "导出私钥", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.private != nil {
private := string(pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(aaa.private)}))
if m.Echo(private); len(arg) > 0 {
m.Assert(ioutil.WriteFile(arg[0], []byte(private), 0666))
}
}
}},
"sign": &ctx.Command{Name: "sign content [signfile]", Help: "数字签名", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.private != nil {
h := md5.Sum(aaa.Input(arg[0]))
b, e := rsa.SignPKCS1v15(crand.Reader, aaa.private, crypto.MD5, h[:])
m.Assert(e)
res := base64.StdEncoding.EncodeToString(b)
if m.Echo(res); len(arg) > 1 {
m.Assert(ioutil.WriteFile(arg[1], []byte(res), 0666))
}
}
}},
"verify": &ctx.Command{Name: "verify content signature", Help: "数字验签", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.public != nil {
buf := make([]byte, 1024)
n, e := base64.StdEncoding.Decode(buf, aaa.Input(arg[1]))
m.Assert(e)
buf = buf[:n]
h := md5.Sum(aaa.Input(arg[0]))
m.Echo("%t", rsa.VerifyPKCS1v15(aaa.public, crypto.MD5, h[:], buf) == nil)
}
}},
"seal": &ctx.Command{Name: "seal content [sealfile]", Help: "数字加密", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.public != nil {
b, e := rsa.EncryptPKCS1v15(crand.Reader, aaa.public, aaa.Input(arg[0]))
m.Assert(e)
res := base64.StdEncoding.EncodeToString(b)
if m.Echo(res); len(arg) > 1 {
m.Assert(ioutil.WriteFile(arg[1], []byte(res), 0666))
}
}
}},
"deal": &ctx.Command{Name: "deal content", Help: "数字解密", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.private != nil {
buf := make([]byte, 1024)
n, e := base64.StdEncoding.Decode(buf, aaa.Input(arg[0]))
m.Assert(e)
buf = buf[:n]
b, e := rsa.DecryptPKCS1v15(crand.Reader, aaa.private, buf)
m.Assert(e)
m.Echo(string(b))
}
}},
"newcipher": &ctx.Command{Name: "newcipher salt", Help: "加密算法", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) {
salt := md5.Sum(aaa.Input(arg[0]))
block, e := aes.NewCipher(salt[:])
m.Assert(e)
aaa.encrypt = cipher.NewCBCEncrypter(block, salt[:])
aaa.decrypt = cipher.NewCBCDecrypter(block, salt[:])
}
}},
"encrypt": &ctx.Command{Name: "encrypt content [enfile]", Help: "加密数据", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.encrypt != nil {
content := aaa.Input(arg[0])
bsize := aaa.encrypt.BlockSize()
size := (len(content) / bsize) * bsize
if len(content)%bsize != 0 {
size += bsize
}
buf := make([]byte, size)
for pos := 0; pos < len(content); pos += bsize {
end := pos + bsize
if end > len(content) {
end = len(content)
}
b := make([]byte, bsize)
copy(b, content[pos:end])
aaa.encrypt.CryptBlocks(buf[pos:pos+bsize], b)
}
res := base64.StdEncoding.EncodeToString(buf)
if m.Echo(res); len(arg) > 1 {
m.Assert(ioutil.WriteFile(arg[1], []byte(res), 0666))
}
}
}},
"decrypt": &ctx.Command{Name: "decrypt content [defile]", Help: "解密数据", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
if aaa, ok := m.Target().Server.(*AAA); m.Assert(ok) && aaa.decrypt != nil {
content := aaa.Input(arg[0])
buf := make([]byte, 1024)
n, e := base64.StdEncoding.Decode(buf, content)
m.Assert(e)
buf = buf[:n]
res := make([]byte, n)
aaa.decrypt.CryptBlocks(res, buf)
if m.Echo(string(res)); len(arg) > 1 {
m.Assert(ioutil.WriteFile(arg[1], res, 0666))
}
}
}},
},
}
func init() {
aaa := &AAA{}
aaa.Context = Index
ctx.Index.Register(Index, aaa)
}