service/vendor/github.com/aliyun/credentials-go/credentials/credential.go

421 lines
12 KiB
Go

package credentials
import (
"bufio"
"errors"
"fmt"
"net/http"
"net/url"
"os"
"strings"
"time"
"github.com/alibabacloud-go/debug/debug"
"github.com/alibabacloud-go/tea/tea"
"github.com/aliyun/credentials-go/credentials/request"
"github.com/aliyun/credentials-go/credentials/response"
"github.com/aliyun/credentials-go/credentials/utils"
)
var debuglog = debug.Init("credential")
var hookParse = func(err error) error {
return err
}
// Credential is an interface for getting actual credential
type Credential interface {
GetAccessKeyId() (*string, error)
GetAccessKeySecret() (*string, error)
GetSecurityToken() (*string, error)
GetBearerToken() *string
GetType() *string
GetCredential() (*CredentialModel, error)
}
// Config is important when call NewCredential
type Config struct {
Type *string `json:"type"`
AccessKeyId *string `json:"access_key_id"`
AccessKeySecret *string `json:"access_key_secret"`
OIDCProviderArn *string `json:"oidc_provider_arn"`
OIDCTokenFilePath *string `json:"oidc_token"`
RoleArn *string `json:"role_arn"`
RoleSessionName *string `json:"role_session_name"`
PublicKeyId *string `json:"public_key_id"`
RoleName *string `json:"role_name"`
SessionExpiration *int `json:"session_expiration"`
PrivateKeyFile *string `json:"private_key_file"`
BearerToken *string `json:"bearer_token"`
SecurityToken *string `json:"security_token"`
RoleSessionExpiration *int `json:"role_session_expiratioon"`
Policy *string `json:"policy"`
Host *string `json:"host"`
Timeout *int `json:"timeout"`
ConnectTimeout *int `json:"connect_timeout"`
Proxy *string `json:"proxy"`
InAdvanceScale *float64 `json:"inAdvanceScale"`
Url *string `json:"url"`
STSEndpoint *string `json:"sts_endpoint"`
ExternalId *string `json:"external_id"`
}
func (s Config) String() string {
return tea.Prettify(s)
}
func (s Config) GoString() string {
return s.String()
}
func (s *Config) SetAccessKeyId(v string) *Config {
s.AccessKeyId = &v
return s
}
func (s *Config) SetAccessKeySecret(v string) *Config {
s.AccessKeySecret = &v
return s
}
func (s *Config) SetSecurityToken(v string) *Config {
s.SecurityToken = &v
return s
}
func (s *Config) SetRoleArn(v string) *Config {
s.RoleArn = &v
return s
}
func (s *Config) SetRoleSessionName(v string) *Config {
s.RoleSessionName = &v
return s
}
func (s *Config) SetPublicKeyId(v string) *Config {
s.PublicKeyId = &v
return s
}
func (s *Config) SetRoleName(v string) *Config {
s.RoleName = &v
return s
}
func (s *Config) SetSessionExpiration(v int) *Config {
s.SessionExpiration = &v
return s
}
func (s *Config) SetPrivateKeyFile(v string) *Config {
s.PrivateKeyFile = &v
return s
}
func (s *Config) SetBearerToken(v string) *Config {
s.BearerToken = &v
return s
}
func (s *Config) SetRoleSessionExpiration(v int) *Config {
s.RoleSessionExpiration = &v
return s
}
func (s *Config) SetPolicy(v string) *Config {
s.Policy = &v
return s
}
func (s *Config) SetHost(v string) *Config {
s.Host = &v
return s
}
func (s *Config) SetTimeout(v int) *Config {
s.Timeout = &v
return s
}
func (s *Config) SetConnectTimeout(v int) *Config {
s.ConnectTimeout = &v
return s
}
func (s *Config) SetProxy(v string) *Config {
s.Proxy = &v
return s
}
func (s *Config) SetType(v string) *Config {
s.Type = &v
return s
}
func (s *Config) SetOIDCTokenFilePath(v string) *Config {
s.OIDCTokenFilePath = &v
return s
}
func (s *Config) SetOIDCProviderArn(v string) *Config {
s.OIDCProviderArn = &v
return s
}
func (s *Config) SetURLCredential(v string) *Config {
if v == "" {
v = os.Getenv("ALIBABA_CLOUD_CREDENTIALS_URI")
}
s.Url = &v
return s
}
func (s *Config) SetSTSEndpoint(v string) *Config {
s.STSEndpoint = &v
return s
}
// NewCredential return a credential according to the type in config.
// if config is nil, the function will use default provider chain to get credential.
// please see README.md for detail.
func NewCredential(config *Config) (credential Credential, err error) {
if config == nil {
config, err = defaultChain.resolve()
if err != nil {
return
}
return NewCredential(config)
}
switch tea.StringValue(config.Type) {
case "credentials_uri":
credential = newURLCredential(tea.StringValue(config.Url))
case "oidc_role_arn":
err = checkoutAssumeRamoidc(config)
if err != nil {
return
}
runtime := &utils.Runtime{
Host: tea.StringValue(config.Host),
Proxy: tea.StringValue(config.Proxy),
ReadTimeout: tea.IntValue(config.Timeout),
ConnectTimeout: tea.IntValue(config.ConnectTimeout),
STSEndpoint: tea.StringValue(config.STSEndpoint),
}
credential = newOIDCRoleArnCredential(tea.StringValue(config.AccessKeyId), tea.StringValue(config.AccessKeySecret), tea.StringValue(config.RoleArn), tea.StringValue(config.OIDCProviderArn), tea.StringValue(config.OIDCTokenFilePath), tea.StringValue(config.RoleSessionName), tea.StringValue(config.Policy), tea.IntValue(config.RoleSessionExpiration), runtime)
case "access_key":
err = checkAccessKey(config)
if err != nil {
return
}
credential = newAccessKeyCredential(tea.StringValue(config.AccessKeyId), tea.StringValue(config.AccessKeySecret))
case "sts":
err = checkSTS(config)
if err != nil {
return
}
credential = newStsTokenCredential(tea.StringValue(config.AccessKeyId), tea.StringValue(config.AccessKeySecret), tea.StringValue(config.SecurityToken))
case "ecs_ram_role":
checkEcsRAMRole(config)
runtime := &utils.Runtime{
Host: tea.StringValue(config.Host),
Proxy: tea.StringValue(config.Proxy),
ReadTimeout: tea.IntValue(config.Timeout),
ConnectTimeout: tea.IntValue(config.ConnectTimeout),
}
credential = newEcsRAMRoleCredential(tea.StringValue(config.RoleName), tea.Float64Value(config.InAdvanceScale), runtime)
case "ram_role_arn":
err = checkRAMRoleArn(config)
if err != nil {
return
}
runtime := &utils.Runtime{
Host: tea.StringValue(config.Host),
Proxy: tea.StringValue(config.Proxy),
ReadTimeout: tea.IntValue(config.Timeout),
ConnectTimeout: tea.IntValue(config.ConnectTimeout),
STSEndpoint: tea.StringValue(config.STSEndpoint),
}
credential = newRAMRoleArnWithExternalIdCredential(
tea.StringValue(config.AccessKeyId),
tea.StringValue(config.AccessKeySecret),
tea.StringValue(config.RoleArn),
tea.StringValue(config.RoleSessionName),
tea.StringValue(config.Policy),
tea.IntValue(config.RoleSessionExpiration),
tea.StringValue(config.ExternalId),
runtime)
case "rsa_key_pair":
err = checkRSAKeyPair(config)
if err != nil {
return
}
file, err1 := os.Open(tea.StringValue(config.PrivateKeyFile))
if err1 != nil {
err = fmt.Errorf("InvalidPath: Can not open PrivateKeyFile, err is %s", err1.Error())
return
}
defer file.Close()
var privateKey string
scan := bufio.NewScanner(file)
for scan.Scan() {
if strings.HasPrefix(scan.Text(), "----") {
continue
}
privateKey += scan.Text() + "\n"
}
runtime := &utils.Runtime{
Host: tea.StringValue(config.Host),
Proxy: tea.StringValue(config.Proxy),
ReadTimeout: tea.IntValue(config.Timeout),
ConnectTimeout: tea.IntValue(config.ConnectTimeout),
STSEndpoint: tea.StringValue(config.STSEndpoint),
}
credential = newRsaKeyPairCredential(privateKey, tea.StringValue(config.PublicKeyId), tea.IntValue(config.SessionExpiration), runtime)
case "bearer":
if tea.StringValue(config.BearerToken) == "" {
err = errors.New("BearerToken cannot be empty")
return
}
credential = newBearerTokenCredential(tea.StringValue(config.BearerToken))
default:
err = errors.New("Invalid type option, support: access_key, sts, ecs_ram_role, ram_role_arn, rsa_key_pair")
return
}
return credential, nil
}
func checkRSAKeyPair(config *Config) (err error) {
if tea.StringValue(config.PrivateKeyFile) == "" {
err = errors.New("PrivateKeyFile cannot be empty")
return
}
if tea.StringValue(config.PublicKeyId) == "" {
err = errors.New("PublicKeyId cannot be empty")
return
}
return
}
func checkoutAssumeRamoidc(config *Config) (err error) {
if tea.StringValue(config.RoleArn) == "" {
err = errors.New("RoleArn cannot be empty")
return
}
if tea.StringValue(config.OIDCProviderArn) == "" {
err = errors.New("OIDCProviderArn cannot be empty")
return
}
return
}
func checkRAMRoleArn(config *Config) (err error) {
if tea.StringValue(config.AccessKeySecret) == "" {
err = errors.New("AccessKeySecret cannot be empty")
return
}
if tea.StringValue(config.RoleArn) == "" {
err = errors.New("RoleArn cannot be empty")
return
}
if tea.StringValue(config.RoleSessionName) == "" {
err = errors.New("RoleSessionName cannot be empty")
return
}
if tea.StringValue(config.AccessKeyId) == "" {
err = errors.New("AccessKeyId cannot be empty")
return
}
return
}
func checkEcsRAMRole(config *Config) (err error) {
return
}
func checkSTS(config *Config) (err error) {
if tea.StringValue(config.AccessKeyId) == "" {
err = errors.New("AccessKeyId cannot be empty")
return
}
if tea.StringValue(config.AccessKeySecret) == "" {
err = errors.New("AccessKeySecret cannot be empty")
return
}
if tea.StringValue(config.SecurityToken) == "" {
err = errors.New("SecurityToken cannot be empty")
return
}
return
}
func checkAccessKey(config *Config) (err error) {
if tea.StringValue(config.AccessKeyId) == "" {
err = errors.New("AccessKeyId cannot be empty")
return
}
if tea.StringValue(config.AccessKeySecret) == "" {
err = errors.New("AccessKeySecret cannot be empty")
return
}
return
}
func doAction(request *request.CommonRequest, runtime *utils.Runtime) (content []byte, err error) {
var urlEncoded string
if request.BodyParams != nil {
urlEncoded = utils.GetURLFormedMap(request.BodyParams)
}
httpRequest, err := http.NewRequest(request.Method, request.URL, strings.NewReader(urlEncoded))
if err != nil {
return
}
httpRequest.Proto = "HTTP/1.1"
httpRequest.Host = request.Domain
debuglog("> %s %s %s", httpRequest.Method, httpRequest.URL.RequestURI(), httpRequest.Proto)
debuglog("> Host: %s", httpRequest.Host)
for key, value := range request.Headers {
if value != "" {
debuglog("> %s: %s", key, value)
httpRequest.Header[key] = []string{value}
}
}
debuglog(">")
httpClient := &http.Client{}
httpClient.Timeout = time.Duration(runtime.ReadTimeout) * time.Second
proxy := &url.URL{}
if runtime.Proxy != "" {
proxy, err = url.Parse(runtime.Proxy)
if err != nil {
return
}
}
trans := &http.Transport{}
if proxy != nil && runtime.Proxy != "" {
trans.Proxy = http.ProxyURL(proxy)
}
trans.DialContext = utils.Timeout(time.Duration(runtime.ConnectTimeout) * time.Second)
httpClient.Transport = trans
httpResponse, err := hookDo(httpClient.Do)(httpRequest)
if err != nil {
return
}
debuglog("< %s %s", httpResponse.Proto, httpResponse.Status)
for key, value := range httpResponse.Header {
debuglog("< %s: %v", key, strings.Join(value, ""))
}
debuglog("<")
resp := &response.CommonResponse{}
err = hookParse(resp.ParseFromHTTPResponse(httpResponse))
if err != nil {
return
}
debuglog("%s", resp.GetHTTPContentString())
if resp.GetHTTPStatus() != http.StatusOK {
err = fmt.Errorf("httpStatus: %d, message = %s", resp.GetHTTPStatus(), resp.GetHTTPContentString())
return
}
return resp.GetHTTPContentBytes(), nil
}