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V2 alpha - initial version (#172)
Initial alpha codebase for version 2 of WireGuard Portal. This version is considered unstable and incomplete (for example, no public REST API)! Use with care! Fixes/Implements the following issues: - OAuth support #154, #1 - New Web UI with internationalisation support #98, #107, #89, #62 - Postgres Support #49 - Improved Email handling #47, #119 - DNS Search Domain support #46 - Bugfixes #94, #48 --------- Co-authored-by: Fabian Wechselberger <wechselbergerf@hotmail.com>
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h44z
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327
internal/app/api/v0/handlers/endpoint_authentication.go
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327
internal/app/api/v0/handlers/endpoint_authentication.go
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package handlers
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import (
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"context"
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"github.com/gin-gonic/gin"
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"github.com/h44z/wg-portal/internal/app"
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"github.com/h44z/wg-portal/internal/app/api/v0/model"
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"github.com/h44z/wg-portal/internal/domain"
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"net/http"
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"net/url"
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"strconv"
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"time"
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)
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type authEndpoint struct {
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app *app.App
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authenticator *authenticationHandler
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}
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func (e authEndpoint) GetName() string {
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return "AuthEndpoint"
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}
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func (e authEndpoint) RegisterRoutes(g *gin.RouterGroup, authenticator *authenticationHandler) {
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apiGroup := g.Group("/auth")
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apiGroup.GET("/providers", e.handleExternalLoginProvidersGet())
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apiGroup.GET("/session", e.handleSessionInfoGet())
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apiGroup.GET("/login/:provider/init", e.handleOauthInitiateGet())
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apiGroup.GET("/login/:provider/callback", e.handleOauthCallbackGet())
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apiGroup.POST("/login", e.handleLoginPost())
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apiGroup.POST("/logout", authenticator.LoggedIn(), e.handleLogoutPost())
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}
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// handleExternalLoginProvidersGet returns a gorm handler function.
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//
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// @ID auth_handleExternalLoginProvidersGet
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// @Tags Authentication
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// @Summary Get all available external login providers.
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// @Produce json
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// @Success 200 {object} []model.LoginProviderInfo
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// @Router /auth/providers [get]
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func (e authEndpoint) handleExternalLoginProvidersGet() gin.HandlerFunc {
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return func(c *gin.Context) {
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providers := e.app.Authenticator.GetExternalLoginProviders(c.Request.Context())
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c.JSON(http.StatusOK, model.NewLoginProviderInfos(providers))
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}
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}
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// handleSessionInfoGet returns a gorm handler function.
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//
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// @ID auth_handleSessionInfoGet
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// @Tags Authentication
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// @Summary Get information about the currently logged-in user.
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// @Produce json
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// @Success 200 {object} []model.SessionInfo
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// @Failure 500 {object} model.Error
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// @Router /auth/session [get]
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func (e authEndpoint) handleSessionInfoGet() gin.HandlerFunc {
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return func(c *gin.Context) {
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currentSession := e.authenticator.Session.GetData(c)
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var loggedInUid *string
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var firstname *string
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var lastname *string
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var email *string
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if currentSession.LoggedIn {
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uid := string(currentSession.UserIdentifier)
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f := currentSession.Firstname
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l := currentSession.Lastname
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e := currentSession.Email
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loggedInUid = &uid
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firstname = &f
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lastname = &l
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email = &e
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}
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c.JSON(http.StatusOK, model.SessionInfo{
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LoggedIn: currentSession.LoggedIn,
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IsAdmin: currentSession.IsAdmin,
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UserIdentifier: loggedInUid,
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UserFirstname: firstname,
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UserLastname: lastname,
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UserEmail: email,
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})
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}
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}
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// handleOauthInitiateGet returns a gorm handler function.
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//
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// @ID auth_handleOauthInitiateGet
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// @Tags Authentication
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// @Summary Initiate the OAuth login flow.
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// @Produce json
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// @Success 200 {object} []model.LoginProviderInfo
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// @Router /auth/{provider}/init [get]
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func (e authEndpoint) handleOauthInitiateGet() gin.HandlerFunc {
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return func(c *gin.Context) {
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currentSession := e.authenticator.Session.GetData(c)
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autoRedirect, _ := strconv.ParseBool(c.DefaultQuery("redirect", "false"))
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returnTo := c.Query("return")
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provider := c.Param("provider")
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var returnUrl *url.URL
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var returnParams string
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redirectToReturn := func() {
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c.Redirect(http.StatusFound, returnUrl.String()+"?"+returnParams)
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}
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if returnTo != "" {
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if u, err := url.Parse(returnTo); err == nil {
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returnUrl = u
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}
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queryParams := returnUrl.Query()
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queryParams.Set("wgLoginState", "err") // by default, we set the state to error
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returnUrl.RawQuery = "" // remove potential query params
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returnParams = queryParams.Encode()
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}
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if currentSession.LoggedIn {
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if autoRedirect {
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queryParams := returnUrl.Query()
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queryParams.Set("wgLoginState", "success")
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returnParams = queryParams.Encode()
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redirectToReturn()
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} else {
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c.JSON(http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: "already logged in"})
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}
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return
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}
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authCodeUrl, state, nonce, err := e.app.Authenticator.OauthLoginStep1(c.Request.Context(), provider)
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if err != nil {
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if autoRedirect {
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redirectToReturn()
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} else {
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c.JSON(http.StatusInternalServerError, model.Error{Code: http.StatusInternalServerError, Message: err.Error()})
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}
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return
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}
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authSession := e.authenticator.Session.DefaultSessionData()
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authSession.OauthState = state
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authSession.OauthNonce = nonce
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authSession.OauthProvider = provider
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authSession.OauthReturnTo = returnTo
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e.authenticator.Session.SetData(c, authSession)
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if autoRedirect {
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c.Redirect(http.StatusFound, authCodeUrl)
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} else {
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c.JSON(http.StatusOK, model.OauthInitiationResponse{
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RedirectUrl: authCodeUrl,
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State: state,
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})
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}
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}
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}
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// handleOauthCallbackGet returns a gorm handler function.
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//
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// @ID auth_handleOauthCallbackGet
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// @Tags Authentication
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// @Summary Handle the OAuth callback.
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// @Produce json
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// @Success 200 {object} []model.LoginProviderInfo
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// @Router /auth/{provider}/callback [get]
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func (e authEndpoint) handleOauthCallbackGet() gin.HandlerFunc {
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return func(c *gin.Context) {
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currentSession := e.authenticator.Session.GetData(c)
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var returnUrl *url.URL
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var returnParams string
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redirectToReturn := func() {
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c.Redirect(http.StatusFound, returnUrl.String()+"?"+returnParams)
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}
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if currentSession.OauthReturnTo != "" {
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if u, err := url.Parse(currentSession.OauthReturnTo); err == nil {
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returnUrl = u
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}
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queryParams := returnUrl.Query()
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queryParams.Set("wgLoginState", "err") // by default, we set the state to error
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returnUrl.RawQuery = "" // remove potential query params
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returnParams = queryParams.Encode()
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}
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if currentSession.LoggedIn {
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if returnUrl != nil {
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queryParams := returnUrl.Query()
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queryParams.Set("wgLoginState", "success")
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returnParams = queryParams.Encode()
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redirectToReturn()
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} else {
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c.JSON(http.StatusBadRequest, model.Error{Message: "already logged in"})
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}
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return
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}
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provider := c.Param("provider")
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oauthCode := c.Query("code")
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oauthState := c.Query("state")
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if provider != currentSession.OauthProvider {
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if returnUrl != nil {
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redirectToReturn()
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} else {
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c.JSON(http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: "invalid oauth provider"})
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}
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return
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}
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if oauthState != currentSession.OauthState {
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if returnUrl != nil {
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redirectToReturn()
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} else {
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c.JSON(http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: "invalid oauth state"})
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}
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return
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}
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loginCtx, cancel := context.WithTimeout(context.Background(), 1000*time.Second)
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user, err := e.app.Authenticator.OauthLoginStep2(loginCtx, provider, currentSession.OauthNonce, oauthCode)
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cancel()
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if err != nil {
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if returnUrl != nil {
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redirectToReturn()
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} else {
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c.JSON(http.StatusUnauthorized, model.Error{Code: http.StatusUnauthorized, Message: err.Error()})
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}
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return
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}
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e.setAuthenticatedUser(c, user)
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if returnUrl != nil {
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queryParams := returnUrl.Query()
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queryParams.Set("wgLoginState", "success")
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returnParams = queryParams.Encode()
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redirectToReturn()
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} else {
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c.JSON(http.StatusOK, user)
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}
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}
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}
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func (e authEndpoint) setAuthenticatedUser(c *gin.Context, user *domain.User) {
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currentSession := e.authenticator.Session.GetData(c)
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currentSession.LoggedIn = true
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currentSession.IsAdmin = user.IsAdmin
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currentSession.UserIdentifier = string(user.Identifier)
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currentSession.Firstname = user.Firstname
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currentSession.Lastname = user.Lastname
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currentSession.Email = user.Email
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currentSession.OauthState = ""
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currentSession.OauthNonce = ""
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currentSession.OauthProvider = ""
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currentSession.OauthReturnTo = ""
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e.authenticator.Session.SetData(c, currentSession)
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}
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// handleLoginPost returns a gorm handler function.
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//
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// @ID auth_handleLoginPost
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// @Tags Authentication
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// @Summary Get all available external login providers.
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// @Produce json
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// @Success 200 {object} []model.LoginProviderInfo
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// @Router /auth/login [post]
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func (e authEndpoint) handleLoginPost() gin.HandlerFunc {
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return func(c *gin.Context) {
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currentSession := e.authenticator.Session.GetData(c)
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if currentSession.LoggedIn {
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c.JSON(http.StatusOK, model.Error{Code: http.StatusOK, Message: "already logged in"})
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return
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}
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var loginData struct {
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Username string `json:"username" binding:"required,min=2"`
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Password string `json:"password" binding:"required,min=4"`
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}
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if err := c.ShouldBindJSON(&loginData); err != nil {
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c.JSON(http.StatusBadRequest, model.Error{Code: http.StatusBadRequest, Message: err.Error()})
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return
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}
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user, err := e.app.Authenticator.PlainLogin(c.Request.Context(), loginData.Username, loginData.Password)
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if err != nil {
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c.JSON(http.StatusUnauthorized, model.Error{Code: http.StatusUnauthorized, Message: "login failed"})
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return
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}
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e.setAuthenticatedUser(c, user)
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c.JSON(http.StatusOK, user)
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}
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}
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// handleLogoutPost returns a gorm handler function.
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//
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// @ID auth_handleLogoutGet
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// @Tags Authentication
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// @Summary Get all available external login providers.
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// @Produce json
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// @Success 200 {object} []model.LoginProviderInfo
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// @Router /auth/logout [get]
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func (e authEndpoint) handleLogoutPost() gin.HandlerFunc {
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return func(c *gin.Context) {
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currentSession := e.authenticator.Session.GetData(c)
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if !currentSession.LoggedIn { // Not logged in
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c.JSON(http.StatusOK, model.Error{Code: http.StatusOK, Message: "not logged in"})
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return
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}
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e.authenticator.Session.DestroyData(c)
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c.JSON(http.StatusOK, model.Error{Code: http.StatusOK, Message: "logout ok"})
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}
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}
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