init repo

vendor/github.com/aliyun/credentials-go/credentials/utils/runtime.go

@@ -0,0 +1,35 @@
+package utils
+
+import (
+	"context"
+	"net"
+	"time"
+)
+
+// Runtime is for setting timeout, proxy and host
+type Runtime struct {
+	ReadTimeout    int
+	ConnectTimeout int
+	Proxy          string
+	Host           string
+}
+
+// NewRuntime returns a Runtime
+func NewRuntime(readTimeout, connectTimeout int, proxy string, host string) *Runtime {
+	return &Runtime{
+		ReadTimeout:    readTimeout,
+		ConnectTimeout: connectTimeout,
+		Proxy:          proxy,
+		Host:           host,
+	}
+}
+
+// Timeout is for connect Timeout
+func Timeout(connectTimeout time.Duration) func(cxt context.Context, net, addr string) (c net.Conn, err error) {
+	return func(ctx context.Context, network, address string) (net.Conn, error) {
+		return (&net.Dialer{
+			Timeout:   connectTimeout,
+			DualStack: true,
+		}).DialContext(ctx, network, address)
+	}
+}

vendor/github.com/aliyun/credentials-go/credentials/utils/utils.go

@@ -0,0 +1,146 @@
+package utils
+
+import (
+	"crypto"
+	"crypto/hmac"
+	"crypto/md5"
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/sha1"
+	"crypto/x509"
+	"encoding/base64"
+	"encoding/hex"
+	"hash"
+	"io"
+	rand2 "math/rand"
+	"net/url"
+	"time"
+)
+
+type uuid [16]byte
+
+const letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+var hookRead = func(fn func(p []byte) (n int, err error)) func(p []byte) (n int, err error) {
+	return fn
+}
+
+var hookRSA = func(fn func(rand io.Reader, priv *rsa.PrivateKey, hash crypto.Hash, hashed []byte) ([]byte, error)) func(rand io.Reader, priv *rsa.PrivateKey, hash crypto.Hash, hashed []byte) ([]byte, error) {
+	return fn
+}
+
+// GetUUID returns a uuid
+func GetUUID() (uuidHex string) {
+	uuid := newUUID()
+	uuidHex = hex.EncodeToString(uuid[:])
+	return
+}
+
+// RandStringBytes returns a rand string
+func RandStringBytes(n int) string {
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[rand2.Intn(len(letterBytes))]
+	}
+	return string(b)
+}
+
+// ShaHmac1 return a string which has been hashed
+func ShaHmac1(source, secret string) string {
+	key := []byte(secret)
+	hmac := hmac.New(sha1.New, key)
+	hmac.Write([]byte(source))
+	signedBytes := hmac.Sum(nil)
+	signedString := base64.StdEncoding.EncodeToString(signedBytes)
+	return signedString
+}
+
+// Sha256WithRsa return a string which has been hashed with Rsa
+func Sha256WithRsa(source, secret string) string {
+	decodeString, err := base64.StdEncoding.DecodeString(secret)
+	if err != nil {
+		panic(err)
+	}
+	private, err := x509.ParsePKCS8PrivateKey(decodeString)
+	if err != nil {
+		panic(err)
+	}
+
+	h := crypto.Hash.New(crypto.SHA256)
+	h.Write([]byte(source))
+	hashed := h.Sum(nil)
+	signature, err := hookRSA(rsa.SignPKCS1v15)(rand.Reader, private.(*rsa.PrivateKey),
+		crypto.SHA256, hashed)
+	if err != nil {
+		panic(err)
+	}
+
+	return base64.StdEncoding.EncodeToString(signature)
+}
+
+// GetMD5Base64 returns a string which has been base64
+func GetMD5Base64(bytes []byte) (base64Value string) {
+	md5Ctx := md5.New()
+	md5Ctx.Write(bytes)
+	md5Value := md5Ctx.Sum(nil)
+	base64Value = base64.StdEncoding.EncodeToString(md5Value)
+	return
+}
+
+// GetTimeInFormatISO8601 returns a time string
+func GetTimeInFormatISO8601() (timeStr string) {
+	gmt := time.FixedZone("GMT", 0)
+
+	return time.Now().In(gmt).Format("2006-01-02T15:04:05Z")
+}
+
+// GetURLFormedMap returns a url encoded string
+func GetURLFormedMap(source map[string]string) (urlEncoded string) {
+	urlEncoder := url.Values{}
+	for key, value := range source {
+		urlEncoder.Add(key, value)
+	}
+	urlEncoded = urlEncoder.Encode()
+	return
+}
+
+func newUUID() uuid {
+	ns := uuid{}
+	safeRandom(ns[:])
+	u := newFromHash(md5.New(), ns, RandStringBytes(16))
+	u[6] = (u[6] & 0x0f) | (byte(2) << 4)
+	u[8] = (u[8]&(0xff>>2) | (0x02 << 6))
+
+	return u
+}
+
+func newFromHash(h hash.Hash, ns uuid, name string) uuid {
+	u := uuid{}
+	h.Write(ns[:])
+	h.Write([]byte(name))
+	copy(u[:], h.Sum(nil))
+
+	return u
+}
+
+func safeRandom(dest []byte) {
+	if _, err := hookRead(rand.Read)(dest); err != nil {
+		panic(err)
+	}
+}
+
+func (u uuid) String() string {
+	buf := make([]byte, 36)
+
+	hex.Encode(buf[0:8], u[0:4])
+	buf[8] = '-'
+	hex.Encode(buf[9:13], u[4:6])
+	buf[13] = '-'
+	hex.Encode(buf[14:18], u[6:8])
+	buf[18] = '-'
+	hex.Encode(buf[19:23], u[8:10])
+	buf[23] = '-'
+	hex.Encode(buf[24:], u[10:])
+
+	return string(buf)
+}