Munawwirul Jamal
2c432a7bef
+ moved pkg/auth-helper to internal/lib/auth + update AuthInfo + cleaning
355 lines
11 KiB
Go
355 lines
11 KiB
Go
package authentication
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import (
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/golang-jwt/jwt"
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"github.com/google/uuid"
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"simrs-vx/internal/domain/main-entities/intern"
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eu "simrs-vx/internal/domain/main-entities/user"
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pa "simrs-vx/internal/lib/auth"
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el "simrs-vx/pkg/logger"
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p "simrs-vx/pkg/password"
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ed "simrs-vx/internal/domain/main-entities/doctor"
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ee "simrs-vx/internal/domain/main-entities/employee"
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em "simrs-vx/internal/domain/main-entities/midwife"
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en "simrs-vx/internal/domain/main-entities/nurse"
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erc "simrs-vx/internal/domain/references/common"
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erg "simrs-vx/internal/domain/references/organization"
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a "github.com/karincake/apem"
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dg "github.com/karincake/apem/db-gorm-pg"
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ms "github.com/karincake/apem/ms-redis"
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d "github.com/karincake/dodol"
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l "github.com/karincake/lepet"
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)
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var authCfg AuthCfg
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func init() {
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a.RegisterExtCall(GetConfig)
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}
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// Generates token and store in redis at one place
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// just return the error code
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func GenToken(input eu.LoginDto) (*d.Data, error) {
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// Get User
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user := &eu.User{Name: input.Name}
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// if input.Position_Code != "" {
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// user.Position_Code = input.Position_Code
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// }
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if errCode := getAndCheck(user, user); errCode != "" {
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: errCode, Message: el.GenMessage(errCode)}}
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}
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if user.LoginAttemptCount > 5 {
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if user.LastSuccessLogin != nil {
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now := time.Now()
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lastAllowdLogin := user.LastAllowdLogin
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if lastAllowdLogin.After(now.Add(-time.Hour * 1)) {
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-login-tooMany", Message: el.GenMessage("auth-login-tooMany")}}
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} else {
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tn := time.Now()
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user.LastAllowdLogin = &tn
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user.LoginAttemptCount = 0
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dg.I.Save(&user)
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}
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} else {
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tn := time.Now()
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user.LastAllowdLogin = &tn
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dg.I.Save(&user)
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-login-tooMany", Message: el.GenMessage("auth-login-tooMany")}}
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}
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}
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if !p.Check(input.Password, user.Password) {
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user.LoginAttemptCount++
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dg.I.Save(&user)
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-login-incorrect", Message: el.GenMessage("auth-login-incorrect")}}
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} else if user.Status_Code == erc.USCBlocked {
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-login-blocked", Message: el.GenMessage("auth-login-blocked")}}
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} else if user.Status_Code == erc.USCNew {
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-login-unverified", Message: el.GenMessage("auth-login-unverified")}}
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}
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// Access token prep
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id, err := uuid.NewRandom()
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if err != nil {
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panic(fmt.Sprintf(l.I.Msg("uuid-gen-fail"), err))
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}
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if input.Duration == 0 {
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input.Duration = 24 * 60
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}
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duration := time.Minute * time.Duration(input.Duration)
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aUuid := id.String()
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atExpires := time.Now().Add(duration).Unix()
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atSecretKey := authCfg.AtSecretKey
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// Create Claim
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atClaims := jwt.MapClaims{}
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atClaims["user_id"] = user.Id
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atClaims["user_name"] = user.Name
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atClaims["user_contractPosition_code"] = user.ContractPosition_Code
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atClaims["uuid"] = aUuid
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atClaims["exp"] = atExpires
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// Create output
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outputData := d.II{
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"user_id": strconv.Itoa(int(user.Id)),
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"user_name": user.Name,
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"user_contractPosition_code": user.ContractPosition_Code,
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}
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// extra
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role := []string{}
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switch user.ContractPosition_Code {
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case erg.CSCEmp:
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// employee
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employee := ee.Employee{}
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dg.I.Where("\"User_Id\" = ?", user.Id).First(&employee)
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if employee.Id == 0 {
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-noEmployee", Message: el.GenMessage("auth-noEmployee")}}
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}
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atClaims["employee_id"] = employee.Id
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outputData["employee_id"] = employee.Id
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role = append(role, "emp-"+string(*employee.Position_Code))
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//if employee.Division_Code != nil {
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// atClaims["employee_division_code"] = employee.Division_Code
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// outputData["employee_division_code"] = employee.Division_Code
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//}
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// employee position
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if employee.Id > 0 && employee.Position_Code != nil {
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switch *employee.Position_Code {
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case erg.EPCDoc:
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doctor := ed.Doctor{}
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dg.I.Where("\"Employee_Id\" = ?", employee.Id).First(&doctor)
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if doctor.Id == 0 {
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-noDoctor", Message: el.GenMessage("auth-noDoctor")}}
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}
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atClaims["doctor_id"] = doctor.Id
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outputData["doctor_id"] = doctor.Id
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// specialist
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if doctor.Specialist_Id != nil {
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atClaims["specialist_id"] = doctor.Specialist_Id
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outputData["specialist_id"] = doctor.Specialist_Id
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}
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if doctor.Subspecialist_Id != nil {
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atClaims["subspecialist_id"] = doctor.Subspecialist_Id
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outputData["subspecialist_id"] = doctor.Subspecialist_Id
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}
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case erg.EPCNur:
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empData := en.Nurse{}
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dg.I.Where("\"Employee_Id\" = ?", employee.Id).First(&empData)
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if empData.Id == 0 {
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-noNurse", Message: el.GenMessage("auth-noNurse")}}
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}
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atClaims["nurse_id"] = empData.Id
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outputData["nurse_id"] = empData.Id
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case erg.EPCMwi:
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empData := em.Midwife{}
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dg.I.Where("\"Employee_Id\" = ?", employee.Id).First(&empData)
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if empData.Id == 0 {
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return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-noNurse", Message: el.GenMessage("auth-noNurse")}}
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}
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atClaims["nurse_id"] = empData.Id
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outputData["nurse_id"] = empData.Id
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}
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errorGetPosition := d.FieldErrors{"authentication": d.FieldError{Code: "auth-getData-failed", Message: el.GenMessage("auth-getData-failed")}}
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// division position
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divisionPositions, err := getDivisionPosition(employee.Id)
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if err != nil {
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return nil, errorGetPosition
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}
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// installation position
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installationPositions, err := getInstallationPosition(employee.Id)
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if err != nil {
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return nil, errorGetPosition
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}
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// unit position
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unitPositions, err := getUnitPosition(employee.Id)
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if err != nil {
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return nil, errorGetPosition
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}
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// specialist position
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specialistPositions, err := getSpecialistPosition(employee.Id)
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if err != nil {
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return nil, errorGetPosition
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}
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// subspecialist position
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subspecialistPositions, err := getSubspecialistPosition(employee.Id)
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if err != nil {
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return nil, errorGetPosition
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}
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role = append(role, divisionPositions...)
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role = append(role, installationPositions...)
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role = append(role, unitPositions...)
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role = append(role, specialistPositions...)
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role = append(role, subspecialistPositions...)
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// atClaims["division_positions"] = divsionPositions
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// outputData["division_positions"] = divsionPositions
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}
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case erg.CSCInt:
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intern := intern.Intern{}
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dg.I.Where("\"User_Id\" = ?", user.Id).First(&intern)
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role = append(role, "int-"+string(*intern.Position_Code))
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case erg.CSCSys:
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role = append(role, "system")
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}
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atClaims["roles"] = role
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outputData["roles"] = role
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// Generate jwt
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at := jwt.NewWithClaims(jwt.SigningMethodHS256, atClaims)
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ats, err := at.SignedString([]byte(atSecretKey))
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if err != nil {
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return nil, d.FieldErrors{"user": d.FieldError{Code: "token-sign-err", Message: el.GenMessage("token-sign-err")}}
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}
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outputData["accessToken"] = ats
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// Save to redis
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now := time.Now()
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atx := time.Unix(atExpires, 0) //converting Unix to UTC(to Time object)
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err = ms.I.Set(aUuid, strconv.Itoa(int(user.Id)), atx.Sub(now)).Err()
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if err != nil {
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panic(fmt.Sprintf(l.I.Msg("redis-store-fail"), err.Error()))
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}
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tn := time.Now()
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user.LoginAttemptCount = 0
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user.LastSuccessLogin = &tn
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user.LastAllowdLogin = &tn
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dg.I.Save(&user)
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// Current data
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return &d.Data{
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Meta: d.IS{
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"source": "authentication",
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"structure": "single-data",
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"status": "verified",
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},
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Data: outputData,
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}, nil
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}
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func RevokeToken(uuid string) {
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ms.I.Del(uuid)
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}
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func VerifyToken(r *http.Request, tokenType TokenType) (data *jwt.Token, errCode, errDetail string) {
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auth := r.Header.Get("Authorization")
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if auth == "" {
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return nil, "auth-missingHeader", ""
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}
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authArr := strings.Split(auth, " ")
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if len(authArr) == 2 {
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auth = authArr[1]
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}
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token, err := jwt.Parse(auth, func(token *jwt.Token) (any, error) {
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//Make sure that the token method conform to "SigningMethodHMAC"
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if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
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return nil, fmt.Errorf(l.I.Msg("token-sign-unexcpeted"), token.Header["alg"])
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}
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if tokenType == AccessToken {
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return []byte(authCfg.AtSecretKey), nil
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} else {
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return []byte(authCfg.RtSecretKey), nil
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}
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})
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if err != nil {
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return nil, "token-parse-fail", err.Error()
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}
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return token, "", ""
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}
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func ExtractToken(r *http.Request, tokenType TokenType) (data *pa.AuthInfo, err error) {
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token, errCode, errDetail := VerifyToken(r, tokenType)
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if errCode != "" {
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return nil, d.FieldError{Code: errCode, Message: el.GenMessage(errCode, errDetail)}
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}
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claims, ok := token.Claims.(jwt.MapClaims)
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if ok && token.Valid {
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accessUuid, ok := claims["uuid"].(string)
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if !ok {
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return nil, d.FieldError{Code: "token-invalid", Message: el.GenMessage("token-invalid", "uuid not available")}
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}
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user_id, myErr := strconv.ParseInt(fmt.Sprintf("%.f", claims["user_id"]), 10, 64)
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if myErr != nil {
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return nil, d.FieldError{Code: "token-invalid", Message: el.GenMessage("token-invalid", "uuid is not available")}
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}
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accessUuidRedis := ms.I.Get(accessUuid)
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if accessUuidRedis.String() == "" {
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return nil, d.FieldError{Code: "token-unidentified", Message: el.GenMessage("token-unidentified")}
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}
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data = &pa.AuthInfo{
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Uuid: accessUuid,
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User_Id: uint(user_id),
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User_Name: fmt.Sprintf("%v", claims["user_name"]),
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}
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data.User_ContractPosition_code = checkStrClaims(claims, "contractPosition_code")
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data.Employee_Position_Code = checkStrPtrClaims(claims, "employee_position_code")
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data.Doctor_Id = checkIntPtrClaims(claims, "doctor_id")
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data.Nurse_Id = checkIntPtrClaims(claims, "nurse_id")
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data.Midwife_Id = checkIntPtrClaims(claims, "midwife_id")
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data.Nutritionist_Id = checkIntPtrClaims(claims, "nutritionist_id")
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data.Laborant_Id = checkIntPtrClaims(claims, "laborant_id")
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data.Pharmachist_Id = checkIntPtrClaims(claims, "pharmachist_id")
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data.Intern_Position_Code = checkStrPtrClaims(claims, "intern_position_code")
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return
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}
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return nil, d.FieldError{Code: "token", Message: "token-invalid"}
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}
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func GetConfig() {
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a.ParseCfg(&authCfg)
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}
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func checkStrClaims(claim map[string]interface{}, key string) string {
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if v, exist := claim[key]; exist && v != nil {
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return v.(string)
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}
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return ""
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}
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func checkStrPtrClaims(claim map[string]interface{}, key string) *string {
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if v, exist := claim[key]; exist && v != nil {
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val := v.(string)
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return &val
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}
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return nil
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}
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func checkIntClaims(claim map[string]interface{}, key string) int {
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if v, exist := claim[key]; exist && v != nil {
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return v.(int)
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}
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return 0
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}
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func checkIntPtrClaims(claim map[string]interface{}, key string) *int {
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if v, exist := claim[key]; exist && v != nil {
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val := int(v.(float64))
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return &val
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}
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return nil
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}
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