/
request.go
336 lines (287 loc) · 9.48 KB
/
request.go
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package authprofile
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strings"
"github.com/ghodss/yaml"
"github.com/levigross/grequests"
"github.com/paralus/cli/pkg/log"
"github.com/paralus/cli/pkg/versioninfo"
)
type HttpResp struct {
StatusCode int `json:"status_code"`
Details []Details `json:"details"`
}
type Details struct {
ErrorCode string `json:"error_code"`
Detail string `json:"detail"`
Info string `json:"info"`
}
// error types
var (
ResourceNotExists = errors.New("resource does not exist")
OperationNotAllowed = errors.New("operation not allowed")
InvalidCredentials = errors.New("invalid credentials")
)
func getSession(skipServerCertCheck bool) *grequests.Session {
var sessionRequestOption *grequests.RequestOptions
if skipServerCertCheck {
sessionRequestOption = &grequests.RequestOptions{
InsecureSkipVerify: true,
}
}
return grequests.NewSession(sessionRequestOption)
}
// Common interface for the subclasses, key, session and null.
type AuthIf interface {
Auth(s *grequests.Session) (map[string]string, error)
SendRequest(s *grequests.Session, uri, method string, ro *grequests.RequestOptions) (*grequests.Response, error)
}
func (p *Profile) SubProfile() AuthIf {
return &KeyProfile{Name: p.Name, URL: p.URL, Key: p.Key, Secret: p.Secret}
}
func (p *Profile) Auth(s *grequests.Session) (map[string]string, error) {
sub := p.SubProfile()
return sub.Auth(s)
}
func (p *Profile) SendRequest(s *grequests.Session, uri, method string, ro *grequests.RequestOptions) (*grequests.Response, error) {
sub := p.SubProfile()
version := versioninfo.Get()
ro.Headers["cli-build-number"] = version.Version
ro.Headers["cli-arch"] = version.Arch
ro.Headers["cli-build-time"] = version.Time
log.GetLogger().Debugf("Send request %s", uri)
return sub.SendRequest(s, uri, method, ro)
}
func (p *Profile) AuthAndRequest(uri, method string, payload interface{}) (string, error) {
response, err := p.AuthAndRequestFullResponse(uri, method, payload)
if err != nil {
return "", err
}
return response.String(), nil
}
func (p *Profile) AuthAndRequestFullResponse(uri, method string, payload interface{}) (*grequests.Response, error) {
return p.AuthAndRequestWithHeadersFullResponse(uri, method, payload, nil)
}
func (p *Profile) AuthAndRequestWithHeadersFullResponse(uri, method string, payload interface{}, additionHeaders map[string]string) (*grequests.Response, error) {
s := getSession(p.SkipServerCertValid)
sub := p.SubProfile()
headers, err := sub.Auth(s)
if err != nil {
return nil, err
}
headers["Content-Type"] = "application/json"
if additionHeaders != nil {
for h, v := range additionHeaders {
headers[h] = v
}
}
ro := &grequests.RequestOptions{
Headers: headers,
JSON: payload,
UserAgent: getUserAgent(),
}
response, err := sub.SendRequest(s, uri, method, ro)
if err != nil {
log.GetLogger().Debugf("Error in response from core: %s\n", err)
return response, fmt.Errorf("error in response from core: %s\n", err)
}
if response != nil && !response.Ok {
log.GetLogger().Debugf("response not ok: %s", response.String())
// check if error type is permission issue
if strings.Contains(response.String(), "no or invalid credentials") {
return response, InvalidCredentials
}
// check if error type is resource not found
if strings.Contains(response.String(), "pg: no rows in result set") {
return response, ResourceNotExists
}
// check if error type is permission issue
if strings.Contains(response.String(), "method or route not allowed") {
return response, OperationNotAllowed
}
// check if error type is permission issue
if strings.Contains(response.String(), "You do not have enough privileges") {
return response, OperationNotAllowed
}
var h HttpResp
err = json.Unmarshal([]byte(response.String()), &h)
if err == nil {
log.GetLogger().Debugf("Struct values: %v", h)
if len(h.Details) > 0 {
log.GetLogger().Debugf("Returning error: server error: %s", h.Details[0].Detail)
return response, fmt.Errorf("server error: %s", h.Details[0].Detail)
}
} else {
log.GetLogger().Debugf("Response: %q", response.String())
}
return response, fmt.Errorf("server error [return code: %d]: %s", response.StatusCode, response.String())
}
return response, nil
}
func getUserAgent() string {
version := versioninfo.Get()
return fmt.Sprintf("PCTL/%s %s", version.Version, version.Arch)
}
func (p *Profile) AuthAndPostMultipartFile(uri, fileLocation, fileKeyName string) (string, error) {
s := getSession(p.SkipServerCertValid)
sub := p.SubProfile()
headers, err := sub.Auth(s)
if err != nil {
return "", err
}
file, err := os.Open(fileLocation)
if err != nil {
log.GetLogger().Debugf("error in reading the helm file: %s\n", err)
return "", fmt.Errorf("error in reading the helm file: %s", err)
}
ro := &grequests.RequestOptions{
Headers: headers,
UserAgent: getUserAgent(),
Files: []grequests.FileUpload{
{
FieldName: fileKeyName,
FileName: filepath.Base(fileLocation),
FileContents: file,
},
},
}
response, err := sub.SendRequest(s, uri, "POST", ro)
if err != nil {
log.GetLogger().Debugf("error in response from core: %s\n", err)
return "", fmt.Errorf("error in response from core: %s", err)
}
if !response.Ok {
log.GetLogger().Debugf("response not OK. [Status: %d] %s", response.StatusCode, response.String())
return "", fmt.Errorf("server error [return code: %d]: %s", response.StatusCode, response.String())
}
return response.String(), nil
}
func (p *Profile) AuthAndPostMultipartFiles(uri string, files, fileKeys []string, valuesPath string) (string, error) {
if len(files) == 0 {
return "", fmt.Errorf("no files passed as argument to upload")
}
if len(files) != len(fileKeys) {
return "", fmt.Errorf("number of file keys and files don't match")
}
s := getSession(p.SkipServerCertValid)
sub := p.SubProfile()
headers, err := sub.Auth(s)
if err != nil {
return "", err
}
fileUploads := make([]grequests.FileUpload, 0)
for index, fileLocation := range files {
file, err := os.Open(fileLocation)
if err != nil {
log.GetLogger().Debugf("error in reading the helm file: %s\n", err)
return "", fmt.Errorf("error in reading the helm file: %s\n", err)
}
fileUploads = append(fileUploads, grequests.FileUpload{
FieldName: fileKeys[index],
FileName: filepath.Base(fileLocation),
FileContents: file,
})
}
ro := &grequests.RequestOptions{
Headers: headers,
UserAgent: getUserAgent(),
Files: fileUploads,
Data: map[string]string{"valuesfileorder": valuesPath},
}
response, err := sub.SendRequest(s, uri, "POST", ro)
if err != nil {
log.GetLogger().Debugf("error in response from core: %s\n", err)
return "", fmt.Errorf("error in response from core: %s\n", err)
}
if !response.Ok {
log.GetLogger().Debugf("response not OK. [Status: %d] %s", response.StatusCode, response.String())
return "", fmt.Errorf("server error [return code: %d]: %s", response.StatusCode, response.String())
}
return response.String(), nil
}
func (p *Profile) Request(uri, method string, payload interface{}, yamlResp bool) (string, error) {
s := getSession(p.SkipServerCertValid)
sub := p.SubProfile()
headers, err := sub.Auth(s)
if err != nil {
return "", err
}
if yamlResp {
headers["Content-Type"] = "application/yaml"
} else {
headers["Content-Type"] = "application/json"
}
ro := &grequests.RequestOptions{Headers: headers, JSON: payload}
response, err := sub.SendRequest(s, uri, method, ro)
if err != nil {
log.GetLogger().Debugf("error in response from core: %s\n", err)
return "", fmt.Errorf("error in response from core: %s\n", err)
}
if !response.Ok {
log.GetLogger().Debugf("response not OK. [Status: %d] %s", response.StatusCode, response.String())
return "", fmt.Errorf("server error [return code: %d]: %s", response.StatusCode, response.String())
}
return response.String(), nil
}
func (p *Profile) AuthAndPostData(uri, method, contentType string, params map[string]string, data []byte) (string, error) {
s := getSession(p.SkipServerCertValid)
sub := p.SubProfile()
headers, err := sub.Auth(s)
if err != nil {
return "", err
}
headers["Content-Type"] = contentType
ro := &grequests.RequestOptions{
Params: params,
Headers: headers,
RequestBody: bytes.NewReader(data),
}
response, err := sub.SendRequest(s, uri, method, ro)
if err != nil {
log.GetLogger().Debugf("error in response from core: %s\n", err)
return "", fmt.Errorf("error in response from core: %s\n", err)
}
if !response.Ok {
log.GetLogger().Debugf("response not OK. [Status: %d] %s", response.StatusCode, response.String())
return "", fmt.Errorf("server error [return code: %d]: %s", response.StatusCode, response.String())
}
return response.String(), nil
}
func (p *Profile) PostRequestFromFile(uri, filename string) (string, error) {
return p.RequestFromFile(uri, "POST", filename)
}
func (p *Profile) RequestFromFile(uri, method, filename string) (string, error) {
var payload interface{}
r, err := os.Open(filename)
if err != nil {
return "", err
}
defer r.Close()
ext := filepath.Ext(filename)
if ext == ".yml" || ext == ".yaml" {
y, err := ioutil.ReadAll(r)
if err != nil {
return "", err
}
err = yaml.Unmarshal(y, &payload)
if err != nil {
return "", err
}
} else {
j, err := ioutil.ReadAll(r)
if err != nil {
return "", err
}
err = json.Unmarshal(j, &payload)
if err != nil {
return "", err
}
}
return p.AuthAndRequest(uri, method, payload)
}