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// +build fasthttp
package routebuildermdl
import (
"strings"
"github.com/pquerna/ffjson/ffjson"
routing "github.com/qiangxue/fasthttp-routing"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/statemdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/authmdl/jwtmdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/authmdl/roleenforcemdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/errormdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/loggermdl"
"corelab.mkcl.org/MKCLOS/coredevelopmentplatform/corepkgv2/servicebuildermdl"
version "github.com/hashicorp/go-version"
"github.com/tidwall/gjson"
)
// Init routing init
func Init(o, r, c *routing.RouteGroup, JWTKey string) {
o.Post("/mql/state", statemdl.StateHandler)
o.Post("/mql", OpenHandler)
r.Post("/mql", RestrictedHandler)
c.Post("/mql", RoleBasedHandler)
o.Post("/heavymql", HeavyOpenHandler)
r.Post("/heavymql", HeavyRestrictedHandler)
c.Post("/heavymql", HeavyRoleBasedHandler)
jwtmdl.GlobalJWTKey = JWTKey
}
func commonHandler(c *routing.Context, isRestricted, isRoleBased, heavyDataActivity bool, principalObj servicebuildermdl.Principal) error {
serviceHeader := string(c.Request.Header.Peek("Service-Header"))
services := strings.Split(serviceHeader, ",")
versionError := appVersioning(c)
if versionError != nil {
_, err := c.WriteString(versionError.Error())
c.SetStatusCode(417)
return err
}
responseMap := make(map[string]responseData)
var reqBody []byte
reqBody = c.Request.Body()
requestBody := gjson.ParseBytes(reqBody)
for i := 0; i < len(services); i++ {
responseDataObj := responseData{}
service := services[i]
result, ab, isCompressed, errorCode, err := executeService(service, []byte(requestBody.Get(service).String()), isRestricted, isRoleBased, heavyDataActivity, principalObj)
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if errormdl.CheckErr1(err) != nil {
if ab == nil {
responseDataObj.ErrorCode = errorCode
responseDataObj.Error = err.Error()
} else {
responseDataObj.Error = ab.GetErrorData()
if responseDataObj.Error == nil {
responseDataObj.Error = err.Error()
}
errorCode := ab.GetErrorCode()
if errorCode == 0 {
errorCode = errormdl.EXPECTATIONFAILED
}
responseDataObj.ErrorCode = errorCode
if ab.TransactionEnable {
if ab.TXN != nil {
loggermdl.LogError("Transaction Rollbacked")
err := ab.TXN.Rollback()
if err != nil {
responseDataObj.Error = err.Error()
responseDataObj.ErrorCode = errormdl.MYSQLERROR
}
}
}
}
} else {
if ab != nil {
if ab.TransactionEnable {
if ab.TXN != nil {
loggermdl.LogError("Transaction Commit")
err := ab.TXN.Commit()
if err != nil {
responseDataObj.Error = err.Error()
responseDataObj.ErrorCode = errormdl.MYSQLERROR
} else {
responseDataObj.Result = result
responseDataObj.ErrorCode = errormdl.NOERROR
}
} else {
responseDataObj.Result = result
responseDataObj.ErrorCode = errormdl.NOERROR
}
} else {
responseDataObj.Result = result
responseDataObj.ErrorCode = errormdl.NOERROR
}
} else {
responseDataObj.Result = result
responseDataObj.ErrorCode = errormdl.NOERROR
}
}
responseDataObj.IsCompressed = isCompressed
responseDataObj = formatResponse(ab, responseDataObj)
responseMap[service] = responseDataObj
// Token extraction
// if ab != nil {
// token, ok := ab.GetDataString("MQLToken")
// if !ok {
// token = string(c.Request.Header.Peek("Authorization"))
// token = strings.TrimPrefix(token, "Bearer")
// token = strings.TrimSpace(token)
// c.Response.Header.Set("Authorization", token)
// }
// c.Response.Header.Set("Authorization", token)
// } else {
// token := string(c.Request.Header.Peek("Authorization"))
// token = strings.TrimPrefix(token, "Bearer")
// token = strings.TrimSpace(token)
// c.Response.Header.Set("Authorization", token)
// }
if ab != nil {
token, ok := ab.GetDataString("MQLToken")
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c.Response.Header.Set("Authorization", token)
}
}
}
ba, _ := ffjson.Marshal(responseMap)
_, err := c.Write(ba)
c.SetStatusCode(200)
return err
}
// OpenHandler for /o
func OpenHandler(c *routing.Context) error {
c.Response.Header.Set("content-type", "application/json")
principal := servicebuildermdl.Principal{}
principal.ClientIP = c.RemoteIP().String()
commonHandler(c, false, false, false, principal)
return nil
}
// RestrictedHandler for /r
func RestrictedHandler(c *routing.Context) error {
c.Response.Header.Set("content-type", "application/json")
pricipalObj, extractError := extractPricipalObject(c)
if extractError != nil {
loggermdl.LogError(extractError)
_, err := c.WriteString(extractError.Error())
c.SetStatusCode(412)
return err
}
pricipalObj.ClientIP = c.RemoteIP().String()
commonHandler(c, true, false, false, pricipalObj)
return nil
}
// RoleBasedHandler for /r/c
func RoleBasedHandler(c *routing.Context) error {
c.Response.Header.Set("content-type", "application/json")
pricipalObj, extractError := extractPricipalObject(c)
if extractError != nil {
loggermdl.LogError(extractError)
_, err := c.WriteString(extractError.Error())
c.SetStatusCode(412)
return err
}
pricipalObj.ClientIP = c.RemoteIP().String()
commonHandler(c, true, true, false, pricipalObj)
return nil
}
// HeavyOpenHandler for /o
func HeavyOpenHandler(c *routing.Context) error {
c.Response.Header.Set("content-type", "application/json")
principal := servicebuildermdl.Principal{}
principal.ClientIP = c.RemoteIP().String()
commonHandler(c, false, false, true, principal)
return nil
}
// HeavyRestrictedHandler for /r
func HeavyRestrictedHandler(c *routing.Context) error {
c.Response.Header.Set("content-type", "application/json")
pricipalObj, extractError := extractPricipalObject(c)
if extractError != nil {
loggermdl.LogError(extractError)
_, err := c.WriteString(extractError.Error())
c.SetStatusCode(412)
return err
}
pricipalObj.ClientIP = c.RemoteIP().String()
commonHandler(c, true, false, true, pricipalObj)
return nil
}
// HeavyRoleBasedHandler for /r/c
func HeavyRoleBasedHandler(c *routing.Context) error {
c.Response.Header.Set("content-type", "application/json")
pricipalObj, extractError := extractPricipalObject(c)
if extractError != nil {
loggermdl.LogError(extractError)
_, err := c.WriteString(extractError.Error())
c.SetStatusCode(412)
return err
}
pricipalObj.ClientIP = c.RemoteIP().String()
commonHandler(c, true, true, true, pricipalObj)
return nil
}
func appVersioning(c *routing.Context) error {
if isAppVersionEnabled {
appVersion := string(c.Request.Header.Peek("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
}
func extractPricipalObject(c *routing.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)
}
groups, grperr := roleenforcemdl.GetGroupNames(claim, "groups")
if errormdl.CheckErr(grperr) != nil {
loggermdl.LogError(grperr)
return principal, errormdl.CheckErr(grperr)
}
userID, ok := claim["userId"].(string)
loggermdl.LogError("Unable to parse UserID from JWT Token")
return principal, errormdl.Wrap("Unable to parse UserID from JWT Token")
}
if len(userID) < 2 {
loggermdl.LogError("UserID length is less than 2")
return principal, errormdl.Wrap("UserID length is less than 2")
}
rawMetadata, ok := claim["metadata"]
if ok {
metadata, ok := rawMetadata.(string)
if !ok {
loggermdl.LogError("Unable to parse metadata from JWT Token")
return principal, errormdl.Wrap("Unable to parse metadata from JWT Token")
}
principal.Metadata = metadata
}
principal.Groups = groups
principal.UserID = userID
principal.Token = string(c.Request.Header.Peek("Authorization"))
return principal, nil
}