Overleaf/services/web/frontend/js/main/token-access.js

define(['base'], App => {
  App.controller(
    'TokenAccessPageController',
    ($scope, $http, $location, localStorage) => {
      window.S = $scope
      $scope.mode = 'accessAttempt' // 'accessAttempt' | 'v1Import'

      $scope.v1ImportData = null

      $scope.accessInFlight = false
      $scope.accessSuccess = false
      $scope.accessError = false

      $scope.currentPath = () => {
        return $location.path()
      }

      $scope.buildFormImportPath = projectId => {
        return `/overleaf/project/${projectId}/import`
      }

      $scope.buildZipDownloadPath = projectId => {
        return `/overleaf/project/${projectId}/download/zip`
      }

      $scope.getProjectName = () => {
        if (!$scope.v1ImportData || !$scope.v1ImportData.name) {
          return 'This project'
        } else {
          return $scope.v1ImportData.name
        }
      }

      $scope.post = () => {
        $scope.mode = 'accessAttempt'
        const textData = $('#overleaf-token-access-data').text()
        let parsedData = JSON.parse(textData)
        const { postUrl, csrfToken } = parsedData
        $scope.accessInFlight = true

        $http({
          method: 'POST',
          url: postUrl,
          data: {
            _csrf: csrfToken
          }
        }).then(
          function successCallback(response) {
            $scope.accessInFlight = false
            $scope.accessError = false
            const { data } = response
            if (data.redirect) {
              const redirect = response.data.redirect
              if (!redirect) {
                console.warn(
                  'no redirect supplied in success response data',
                  response
                )
                $scope.accessError = true
                return
              }
              window.location.replace(redirect)
            } else if (data.v1Import) {
              $scope.mode = 'v1Import'
              $scope.v1ImportData = data.v1Import
            } else {
              console.warn(
                'invalid data from server in success response',
                response
              )
              $scope.accessError = true
            }
          },
          function errorCallback(response) {
            console.warn('error response from server', response)
            $scope.accessInFlight = false
            $scope.accessError = response.status === 404 ? 'not_found' : 'error'
          }
        )
      }
    }
  )
})