support unlinking external authentication

pkg/api/user_external_auths.go

@@ -0,0 +1,104 @@
+package api
+
+import (
+	"sort"
+
+	"github.com/mayswind/ezbookkeeping/pkg/auth/oauth2"
+	"github.com/mayswind/ezbookkeeping/pkg/core"
+	"github.com/mayswind/ezbookkeeping/pkg/errs"
+	"github.com/mayswind/ezbookkeeping/pkg/log"
+	"github.com/mayswind/ezbookkeeping/pkg/models"
+	"github.com/mayswind/ezbookkeeping/pkg/services"
+)
+
+// UserExternalAuthsApi represents user external auth api
+type UserExternalAuthsApi struct {
+	users             *services.UserService
+	userExternalAuths *services.UserExternalAuthService
+}
+
+// Initialize a user external auth api singleton instance
+var (
+	UserExternalAuths = &UserExternalAuthsApi{
+		users:             services.Users,
+		userExternalAuths: services.UserExternalAuths,
+	}
+)
+
+// ExternalAuthListHanlder returns external authentications list of current user
+func (a *UserExternalAuthsApi) ExternalAuthListHanlder(c *core.WebContext) (any, *errs.Error) {
+	uid := c.GetCurrentUid()
+	userExternalAuths, err := a.userExternalAuths.GetUserAllExternalAuthsByUid(c, uid)
+
+	if err != nil {
+		log.Errorf(c, "[user_external_auths.ExternalAuthListHanlder] failed to get all external authentications for user \"uid:%d\", because %s", uid, err.Error())
+		return nil, errs.Or(err, errs.ErrOperationFailed)
+	}
+
+	userExternalAuthResps := make(models.UserExternalAuthInfoResponsesSlice, 0, len(userExternalAuths)+1)
+	currentExternalAuthType := oauth2.GetExternalUserAuthType()
+	hasCurrentExternalAuth := false
+
+	for i := 0; i < len(userExternalAuths); i++ {
+		userExternalAuth := userExternalAuths[i]
+
+		if userExternalAuth.ExternalAuthType == currentExternalAuthType {
+			hasCurrentExternalAuth = true
+		}
+
+		userExternalAuthResps = append(userExternalAuthResps, userExternalAuth.ToUserExternalAuthInfoResponse())
+	}
+
+	if !hasCurrentExternalAuth {
+		userExternalAuthResps = append(userExternalAuthResps, &models.UserExternalAuthInfoResponse{
+			ExternalAuthCategory: currentExternalAuthType.GetCategory(),
+			ExternalAuthType:     currentExternalAuthType,
+			Linked:               false,
+		})
+	}
+
+	sort.Sort(userExternalAuthResps)
+
+	return userExternalAuthResps, nil
+}
+
+// UnlinkExternalAuthHandler unlinks external authentication for current user
+func (a *UserExternalAuthsApi) UnlinkExternalAuthHandler(c *core.WebContext) (any, *errs.Error) {
+	var externalAuthLinkReq models.UserExternalAuthUnlinkRequest
+	err := c.ShouldBindJSON(&externalAuthLinkReq)
+
+	if err != nil {
+		log.Warnf(c, "[user_external_auths.UnlinkExternalAuthHandler] parse request failed, because %s", err.Error())
+		return nil, errs.NewIncompleteOrIncorrectSubmissionError(err)
+	}
+
+	uid := c.GetCurrentUid()
+	user, err := a.users.GetUserById(c, uid)
+
+	if err != nil {
+		if !errs.IsCustomError(err) {
+			log.Warnf(c, "[user_external_auths.UnlinkExternalAuthHandler] failed to get user for user \"uid:%d\", because %s", uid, err.Error())
+		}
+
+		return nil, errs.ErrUserNotFound
+	}
+
+	if !a.users.IsPasswordEqualsUserPassword(externalAuthLinkReq.Password, user) {
+		return nil, errs.ErrUserPasswordWrong
+	}
+
+	externalAuthType := core.UserExternalAuthType(externalAuthLinkReq.ExternalAuthType)
+
+	if !externalAuthType.IsValid() {
+		return nil, errs.ErrUserExternalAuthNotFound
+	}
+
+	err = a.userExternalAuths.DeleteUserExternalAuth(c, uid, externalAuthType)
+
+	if err != nil {
+		log.Errorf(c, "[user_external_auths.UnlinkExternalAuthHandler] failed to unlink external authentication \"%s\" for user \"uid:%d\", because %s", externalAuthLinkReq.ExternalAuthType, uid, err.Error())
+		return nil, errs.Or(err, errs.ErrOperationFailed)
+	}
+
+	return true, nil
+}