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package routebuildermdl
import (
"io/ioutil"
"mime/multipart"
"net/http"
"strings"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/statemdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/authmdl/roleenforcemdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/loggermdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/authmdl/jwtmdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/errormdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/servicebuildermdl"
func Init(o, r, c *gin.RouterGroup, JWTKey string) {
o.POST("/mql/login", loginHandler)
r.POST("/mql", RestrictedHandler)
c.POST("/mql", RoleBasedHandler)
jwtmdl.GlobalJWTKey = JWTKey
}
func setResponseHeader(serviceName string) responseData {
rd := responseData{}
val, ok := GetResponseHeader(serviceName)
if ok {
rd.ResponseHeader = val
}
return rd
}
func isMultipartRequest(header string) bool {
return strings.HasPrefix(header, "multipart/form-data")
}
func executeService(name string, data []byte, isForm bool, formData *multipart.Form, isRestricted, isRoleBased bool, principalObj servicebuildermdl.Principal) (interface{}, error) {
var service interface{}
var found bool
if isRestricted {
if isRoleBased {
service, found = roleBasedServices.Get(name)
} else {
service, found = restrictedServices.Get(name)
}
} else {
service, found = openServices.Get(name)
}
if !found {
loggermdl.LogError("Service Not Found: " + name)
return nil, errormdl.Wrap("Service Not Found: " + name)
var result interface{}
var serviceError error
start := time.Now()
serviceCache := service.(ServiceCache)
result, serviceError = serviceCache.FormService(formData, principalObj)
} else {
// serviceCache := service.(ServiceCache)
if serviceCache.IsFormService {
result, serviceError = nil, errormdl.Wrap("Form_Header_Missing")
loggermdl.LogError("FORM_HEADER_MISSING")
if serviceCache.IsMasterService {
result, serviceError = serviceCache.MasterService.Run(data, &principalObj)
} else {
rs := gjson.ParseBytes(data)
result, serviceError = serviceCache.Service(&rs, principalObj)
}
servingTime := time.Since(start)
// Record State for every service
go statemdl.UpdateServiceState(name, servingTime, serviceError, isRestricted, isRoleBased)
func commonHandler(c *gin.Context, isRestricted, isRoleBased bool, principalObj servicebuildermdl.Principal) {
service := c.Request.Header.Get("Service-Header")
header := c.Request.Header.Get("Content-Type")
versionError := appVersioning(c)
if versionError != nil {
c.JSON(http.StatusExpectationFailed, versionError.Error())
return
}
if isMultipartRequest(header) {
form, multiPartError := c.MultipartForm()
if errormdl.CheckErr(multiPartError) != nil {
responseDataObj.Error = errormdl.CheckErr(multiPartError).Error()
loggermdl.LogError(multiPartError)
c.JSON(http.StatusExpectationFailed, responseDataObj)
return
}
result, err := executeService(service, nil, true, form, isRestricted, isRoleBased, principalObj)
if errormdl.CheckErr1(err) != nil {
responseDataObj.Error = errormdl.CheckErr1(err).Error()
c.JSON(http.StatusExpectationFailed, responseDataObj)
return
}
responseDataObj.Result = result
c.JSON(http.StatusOK, responseDataObj)
return
}
var reqBody []byte
if c.Request.Body != nil {
var readError error
reqBody, readError = ioutil.ReadAll(c.Request.Body)
if errormdl.CheckErr2(readError) != nil {
responseDataObj.Error = errormdl.CheckErr2(readError).Error()
loggermdl.LogError(readError)
c.JSON(http.StatusExpectationFailed, responseDataObj)
return
}
result, err := executeService(service, reqBody, false, nil, isRestricted, isRoleBased, principalObj)
if errormdl.CheckErr3(err) != nil {
responseDataObj.Error = errormdl.CheckErr3(err).Error()
c.JSON(http.StatusExpectationFailed, responseDataObj)
return
}
responseDataObj.Result = result
c.JSON(http.StatusOK, responseDataObj)
return
}
commonHandler(c, false, false, servicebuildermdl.Principal{})
pricipalObj, extractError := extractPricipalObject(c)
if extractError != nil {
loggermdl.LogError(extractError)
c.JSON(http.StatusExpectationFailed, extractError.Error())
return
}
commonHandler(c, true, false, pricipalObj)
pricipalObj, extractError := extractPricipalObject(c)
if extractError != nil {
loggermdl.LogError(extractError)
c.JSON(http.StatusExpectationFailed, extractError.Error())
return
}
commonHandler(c, true, true, pricipalObj)
}
func extractPricipalObject(c *gin.Context) (servicebuildermdl.Principal, error) {
principal := servicebuildermdl.Principal{}
if jwtmdl.GlobalJWTKey == "" {
return principal, errormdl.Wrap("No Global JWT key found")
}
claim, decodeError := jwtmdl.DecodeToken(c.Request)
if errormdl.CheckErr(decodeError) != nil {
loggermdl.LogError(decodeError)
return principal, errormdl.CheckErr(decodeError)
}
// ba, marshalError := ffjson.Marshal(claim)
// if errormdl.CheckErr(marshalError) != nil {
// return principal, errormdl.CheckErr(marshalError)
// }
// unmarshalError := ffjson.Unmarshal(ba, &principal)
// if errormdl.CheckErr(unmarshalError) != nil {
// return principal, errormdl.CheckErr(unmarshalError)
// }
// value, ok := gjson.ParseBytes(ba).Value().(servicebuildermdl.Principal)
// if !ok {
// return principal, errormdl.Wrap("Object is not of type principal")
// }
groups, grperr := roleenforcemdl.GetGroupNames(claim, "groups")
if errormdl.CheckErr(grperr) != nil {
loggermdl.LogError(grperr)
return principal, errormdl.CheckErr(grperr)
}
userID, ok := claim["userId"].(string)
if !ok || len(userID) < 2 {
loggermdl.LogError("Unable to parse UserID from JWT Token")
return principal, errormdl.Wrap("Unable to parse UserID from JWT Token")
}
principal.Groups = groups
principal.UserID = userID
return principal, nil
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// loginHandler - for specially login
func loginHandler(c *gin.Context) {
if loginService == nil {
loggermdl.LogError("NO Login Service found")
c.JSON(http.StatusExpectationFailed, "NO Login Service found")
return
}
var reqBody []byte
if c.Request.Body != nil {
var readError error
reqBody, readError = ioutil.ReadAll(c.Request.Body)
if errormdl.CheckErr2(readError) != nil {
loggermdl.LogError(readError)
c.JSON(http.StatusExpectationFailed, readError.Error())
return
}
}
rs := gjson.ParseBytes(reqBody)
data, token, loginError := loginService(&rs, servicebuildermdl.Principal{})
if errormdl.CheckErr(loginError) != nil {
loggermdl.LogError(loginError)
c.JSON(http.StatusExpectationFailed, errormdl.CheckErr(loginError).Error())
return
}
c.Header("Authorization", token)
c.JSON(http.StatusOK, data)
}
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func appVersioning(c *gin.Context) error {
if isAppVersionEnabled {
appVersion := c.Request.Header.Get("app-version")
if appVersion == "" {
return errormdl.Wrap("No App version Found in request header")
}
ver, err := version.NewVersion(appVersion)
if errormdl.CheckErr(err) != nil {
return errormdl.CheckErr(err)
}
if isStrictMode {
if !ver.Equal(applicationVersion) {
return errormdl.Wrap("Application version mismatched")
}
} else {
if ver.GreaterThan(applicationVersion) {
return errormdl.Wrap("Server Version is outdated")
}
if ver.LessThan(minimumSupportedVersion) {
return errormdl.Wrap("Client Version is outdated")
}
}
}
return nil
}