trabajo-afectivo/app/controllers/users_controller.rb
2021-10-05 06:42:26 +00:00

1078 lines
30 KiB
Ruby

# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
class UsersController < ApplicationController
include ChecksUserAttributesByCurrentUserPermission
include CanPaginate
prepend_before_action -> { authorize! }, only: %i[import_example import_start search history unlock]
prepend_before_action :authentication_check, except: %i[create password_reset_send password_reset_verify image email_verify email_verify_send]
prepend_before_action :authentication_check_only, only: %i[create]
# @path [GET] /users
#
# @summary Returns a list of User records.
# @notes The requester has to be in the role 'Admin' or 'Agent' to
# get a list of all Users. If the requester is in the
# role 'Customer' only just the own User record will be returned.
#
# @response_message 200 [Array<User>] List of matching User records.
# @response_message 403 Forbidden / Invalid session.
def index
users = policy_scope(User).order(id: :asc).offset(pagination.offset).limit(pagination.limit)
if response_expand?
list = []
users.each do |user|
list.push user.attributes_with_association_names
end
render json: list, status: :ok
return
end
if response_full?
assets = {}
item_ids = []
users.each do |item|
item_ids.push item.id
assets = item.assets(assets)
end
render json: {
record_ids: item_ids,
assets: assets,
}, status: :ok
return
end
users_all = []
users.each do |user|
users_all.push User.lookup(id: user.id).attributes_with_association_ids
end
render json: users_all, status: :ok
end
# @path [GET] /users/{id}
#
# @summary Returns the User record with the requested identifier.
# @notes The requester has to be in the role 'Admin' or 'Agent' to
# access all User records. If the requester is in the
# role 'Customer' just the own User record is accessable.
#
# @parameter id(required) [Integer] The identifier matching the requested User.
# @parameter full [Bool] If set a Asset structure with all connected Assets gets returned.
#
# @response_message 200 [User] User record matching the requested identifier.
# @response_message 403 Forbidden / Invalid session.
def show
user = User.find(params[:id])
authorize!(user)
if response_expand?
result = user.attributes_with_association_names
result.delete('password')
render json: result
return
end
if response_full?
result = {
id: user.id,
assets: user.assets({}),
}
render json: result
return
end
result = user.attributes_with_association_ids
result.delete('password')
render json: result
end
# @path [POST] /users
#
# @summary processes requests as CRUD-like record creation, admin creation or user signup depending on circumstances
# @see #create_internal #create_admin #create_signup
def create
if current_user
create_internal
elsif params[:signup]
create_signup
else
create_admin
end
end
# @path [PUT] /users/{id}
#
# @summary Updates the User record matching the identifier with the provided attribute values.
# @notes TODO.
#
# @parameter id(required) [Integer] The identifier matching the requested User record.
# @parameter User(required,body) [User] The attribute value structure needed to update a User record.
#
# @response_message 200 [User] Updated User record.
# @response_message 403 Forbidden / Invalid session.
def update
user = User.find(params[:id])
authorize!(user)
# permission check
check_attributes_by_current_user_permission(params)
user.with_lock do
clean_params = User.association_name_to_id_convert(params)
clean_params = User.param_cleanup(clean_params, true)
clean_params[:screen] = 'update'
user.update!(clean_params)
# presence and permissions were checked via `check_attributes_by_current_user_permission`
privileged_attributes = params.slice(:role_ids, :roles, :group_ids, :groups, :organization_ids, :organizations)
if privileged_attributes.present?
user.associations_from_param(privileged_attributes)
end
end
if response_expand?
user = user.reload.attributes_with_association_names
user.delete('password')
render json: user, status: :ok
return
end
if response_full?
result = {
id: user.id,
assets: user.assets({}),
}
render json: result, status: :ok
return
end
user = user.reload.attributes_with_association_ids
user.delete('password')
render json: user, status: :ok
end
# @path [DELETE] /users/{id}
#
# @summary Deletes the User record matching the given identifier.
# @notes The requester has to be in the role 'Admin' to be able to delete a User record.
#
# @parameter id(required) [User] The identifier matching the requested User record.
#
# @response_message 200 User successfully deleted.
# @response_message 403 Forbidden / Invalid session.
def destroy
user = User.find(params[:id])
authorize!(user)
model_references_check(User, params)
model_destroy_render(User, params)
end
# @path [GET] /users/me
#
# @summary Returns the User record of current user.
# @notes The requester needs to have a valid authentication.
#
# @parameter full [Bool] If set a Asset structure with all connected Assets gets returned.
#
# @response_message 200 [User] User record matching the requested identifier.
# @response_message 403 Forbidden / Invalid session.
def me
if response_expand?
user = current_user.attributes_with_association_names
user.delete('password')
render json: user, status: :ok
return
end
if response_full?
full = User.full(current_user.id)
render json: full
return
end
user = current_user.attributes_with_association_ids
user.delete('password')
render json: user
end
# @path [GET] /users/search
#
# @tag Search
# @tag User
#
# @summary Searches the User matching the given expression(s).
# @notes TODO: It's possible to use the SOLR search syntax.
# The requester has to be in the role 'Admin' or 'Agent' to
# be able to search for User records.
#
# @parameter query [String] The search query.
# @parameter limit [Integer] The limit of search results.
# @parameter ids(multi) [Array<Integer>] A list of User IDs which should be returned
# @parameter role_ids(multi) [Array<Integer>] A list of Role identifiers to which the Users have to be allocated to.
# @parameter group_ids(multi) [Hash<String=>Integer,Array<Integer>>] A list of Group identifiers to which the Users have to be allocated to.
# @parameter permissions(multi) [Array<String>] A list of Permission identifiers to which the Users have to be allocated to.
# @parameter full [Boolean] Defines if the result should be
# true: { user_ids => [1,2,...], assets => {...} }
# or false: [{:id => user.id, :label => "firstname lastname <email>", :value => "firstname lastname <email>"},...].
#
# @response_message 200 [Array<User>] A list of User records matching the search term.
# @response_message 403 Forbidden / Invalid session.
def search
query = params[:query]
if query.respond_to?(:permit!)
query.permit!.to_h
end
query = params[:query] || params[:term]
if query.respond_to?(:permit!)
query = query.permit!.to_h
end
query_params = {
query: query,
limit: pagination.limit,
offset: pagination.offset,
sort_by: params[:sort_by],
order_by: params[:order_by],
current_user: current_user,
}
%i[ids role_ids group_ids permissions].each do |key|
next if params[key].blank?
query_params[key] = params[key]
end
# do query
user_all = User.search(query_params)
if response_expand?
list = []
user_all.each do |user|
list.push user.attributes_with_association_names
end
render json: list, status: :ok
return
end
# build result list
if params[:label] || params[:term]
users = []
user_all.each do |user|
realname = user.fullname
if user.email.present? && realname != user.email
realname = "#{realname} <#{user.email}>"
end
a = if params[:term]
{ id: user.id, label: realname, value: user.email, inactive: !user.active }
else
{ id: user.id, label: realname, value: realname }
end
users.push a
end
# return result
render json: users
return
end
if response_full?
user_ids = []
assets = {}
user_all.each do |user|
assets = user.assets(assets)
user_ids.push user.id
end
# return result
render json: {
assets: assets,
user_ids: user_ids.uniq,
}
return
end
list = []
user_all.each do |user|
list.push user.attributes_with_association_ids
end
render json: list, status: :ok
end
# @path [GET] /users/history/{id}
#
# @tag History
# @tag User
#
# @summary Returns the History records of a User record matching the given identifier.
# @notes The requester has to be in the role 'Admin' or 'Agent' to
# get the History records of a User record.
#
# @parameter id(required) [Integer] The identifier matching the requested User record.
#
# @response_message 200 [History] The History records of the requested User record.
# @response_message 403 Forbidden / Invalid session.
def history
# get user data
user = User.find(params[:id])
# get history of user
render json: user.history_get(true)
end
# @path [PUT] /users/unlock/{id}
#
# @summary Unlocks the User record matching the identifier.
# @notes The requester have 'admin.user' permissions to be able to unlock a user.
#
# @parameter id(required) [Integer] The identifier matching the requested User record.
#
# @response_message 200 Unlocked User record.
# @response_message 403 Forbidden / Invalid session.
def unlock
user = User.find(params[:id])
user.with_lock do
user.update!(login_failed: 0)
end
render json: { message: 'ok' }, status: :ok
end
=begin
Resource:
POST /api/v1/users/email_verify
Payload:
{
"token": "SoMeToKeN",
}
Response:
{
:message => 'ok'
}
Test:
curl http://localhost/api/v1/users/email_verify -v -u #{login}:#{password} -H "Content-Type: application/json" -X POST -d '{"token": "SoMeToKeN"}'
=end
def email_verify
raise Exceptions::UnprocessableEntity, 'No token!' if !params[:token]
user = User.signup_verify_via_token(params[:token], current_user)
raise Exceptions::UnprocessableEntity, 'Invalid token!' if !user
current_user_set(user)
render json: { message: 'ok', user_email: user.email }, status: :ok
end
=begin
Resource:
POST /api/v1/users/email_verify_send
Payload:
{
"email": "some_email@example.com"
}
Response:
{
:message => 'ok'
}
Test:
curl http://localhost/api/v1/users/email_verify_send -v -u #{login}:#{password} -H "Content-Type: application/json" -X POST -d '{"email": "some_email@example.com"}'
=end
def email_verify_send
raise Exceptions::UnprocessableEntity, 'No email!' if !params[:email]
user = User.find_by(email: params[:email].downcase)
if !user || user.verified == true
# result is always positive to avoid leaking of existing user accounts
render json: { message: 'ok' }, status: :ok
return
end
Token.create(action: 'Signup', user_id: user.id)
result = User.signup_new_token(user)
if result && result[:token]
user = result[:user]
NotificationFactory::Mailer.notification(
template: 'signup',
user: user,
objects: result
)
# token sent to user, send ok to browser
render json: { message: 'ok' }, status: :ok
return
end
# unable to generate token
render json: { message: 'failed' }, status: :ok
end
=begin
Resource:
POST /api/v1/users/password_reset
Payload:
{
"username": "some user name"
}
Response:
{
:message => 'ok'
}
Test:
curl http://localhost/api/v1/users/password_reset -v -u #{login}:#{password} -H "Content-Type: application/json" -X POST -d '{"username": "some_username"}'
=end
def password_reset_send
# check if feature is enabled
raise Exceptions::UnprocessableEntity, 'Feature not enabled!' if !Setting.get('user_lost_password')
result = User.password_reset_new_token(params[:username])
if result && result[:token]
# unable to send email
if !result[:user] || result[:user].email.blank?
render json: { message: 'failed' }, status: :ok
return
end
# send password reset emails
NotificationFactory::Mailer.notification(
template: 'password_reset',
user: result[:user],
objects: result
)
end
# result is always positive to avoid leaking of existing user accounts
render json: { message: 'ok' }, status: :ok
end
=begin
Resource:
POST /api/v1/users/password_reset_verify
Payload:
{
"token": "SoMeToKeN",
"password": "new_password"
}
Response:
{
:message => 'ok'
}
Test:
curl http://localhost/api/v1/users/password_reset_verify -v -u #{login}:#{password} -H "Content-Type: application/json" -X POST -d '{"token": "SoMeToKeN", "password" "new_password"}'
=end
def password_reset_verify
# check if feature is enabled
raise Exceptions::UnprocessableEntity, 'Feature not enabled!' if !Setting.get('user_lost_password')
raise Exceptions::UnprocessableEntity, 'token param needed!' if params[:token].blank?
# if no password is given, verify token only
if params[:password].blank?
user = User.by_reset_token(params[:token])
if user
render json: { message: 'ok', user_login: user.login }, status: :ok
return
end
render json: { message: 'failed' }, status: :ok
return
end
result = PasswordPolicy.new(params[:password])
if !result.valid?
render json: { message: 'failed', notice: result.error }, status: :ok
return
end
# set new password with token
user = User.password_reset_via_token(params[:token], params[:password])
# send mail
if !user || user.email.blank?
render json: { message: 'failed' }, status: :ok
return
end
NotificationFactory::Mailer.notification(
template: 'password_change',
user: user,
objects: {
user: user,
current_user: current_user,
}
)
render json: { message: 'ok', user_login: user.login }, status: :ok
end
=begin
Resource:
POST /api/v1/users/password_change
Payload:
{
"password_old": "some_password_old",
"password_new": "some_password_new"
}
Response:
{
:message => 'ok'
}
Test:
curl http://localhost/api/v1/users/password_change -v -u #{login}:#{password} -H "Content-Type: application/json" -X POST -d '{"password_old": "password_old", "password_new": "password_new"}'
=end
def password_change
# check old password
if !params[:password_old]
render json: { message: 'failed', notice: ['Current password needed!'] }, status: :ok
return
end
current_password_verified = PasswordHash.verified?(current_user.password, params[:password_old])
if !current_password_verified
render json: { message: 'failed', notice: ['Current password is wrong!'] }, status: :ok
return
end
# set new password
if !params[:password_new]
render json: { message: 'failed', notice: ['Please supply your new password!'] }, status: :ok
return
end
result = PasswordPolicy.new(params[:password_new])
if !result.valid?
render json: { message: 'failed', notice: result.error }, status: :ok
return
end
current_user.update!(password: params[:password_new])
if current_user.email.present?
NotificationFactory::Mailer.notification(
template: 'password_change',
user: current_user,
objects: {
user: current_user,
}
)
end
render json: { message: 'ok', user_login: current_user.login }, status: :ok
end
=begin
Resource:
PUT /api/v1/users/preferences
Payload:
{
"language": "de",
"notification": true
}
Response:
{
:message => 'ok'
}
Test:
curl http://localhost/api/v1/users/preferences -v -u #{login}:#{password} -H "Content-Type: application/json" -X PUT -d '{"language": "de", "notifications": true}'
=end
def preferences
preferences_params = params.except(:controller, :action)
if preferences_params.present?
user = User.find(current_user.id)
user.with_lock do
preferences_params.permit!.to_h.each do |key, value|
user.preferences[key.to_sym] = value
end
user.save!
end
end
render json: { message: 'ok' }, status: :ok
end
=begin
Resource:
PUT /api/v1/users/out_of_office
Payload:
{
"out_of_office": true,
"out_of_office_start_at": true,
"out_of_office_end_at": true,
"out_of_office_replacement_id": 123,
"out_of_office_text": 'honeymoon'
}
Response:
{
:message => 'ok'
}
Test:
curl http://localhost/api/v1/users/out_of_office -v -u #{login}:#{password} -H "Content-Type: application/json" -X PUT -d '{"out_of_office": true, "out_of_office_replacement_id": 123}'
=end
def out_of_office
user = User.find(current_user.id)
user.with_lock do
user.assign_attributes(
out_of_office: params[:out_of_office],
out_of_office_start_at: params[:out_of_office_start_at],
out_of_office_end_at: params[:out_of_office_end_at],
out_of_office_replacement_id: params[:out_of_office_replacement_id],
)
user.preferences[:out_of_office_text] = params[:out_of_office_text]
user.save!
end
render json: { message: 'ok' }, status: :ok
end
=begin
Resource:
DELETE /api/v1/users/account
Payload:
{
"provider": "twitter",
"uid": 581482342942
}
Response:
{
:message => 'ok'
}
Test:
curl http://localhost/api/v1/users/account -v -u #{login}:#{password} -H "Content-Type: application/json" -X PUT -d '{"provider": "twitter", "uid": 581482342942}'
=end
def account_remove
# provider + uid to remove
raise Exceptions::UnprocessableEntity, 'provider needed!' if !params[:provider]
raise Exceptions::UnprocessableEntity, 'uid needed!' if !params[:uid]
# remove from database
record = Authorization.where(
user_id: current_user.id,
provider: params[:provider],
uid: params[:uid],
)
raise Exceptions::UnprocessableEntity, 'No record found!' if !record.first
record.destroy_all
render json: { message: 'ok' }, status: :ok
end
=begin
Resource:
GET /api/v1/users/image/8d6cca1c6bdc226cf2ba131e264ca2c7
Response:
<IMAGE>
Test:
curl http://localhost/api/v1/users/image/8d6cca1c6bdc226cf2ba131e264ca2c7 -v -u #{login}:#{password}
=end
def image
# cache image
response.headers['Expires'] = 1.year.from_now.httpdate
response.headers['Cache-Control'] = 'cache, store, max-age=31536000, must-revalidate'
response.headers['Pragma'] = 'cache'
file = Avatar.get_by_hash(params[:hash])
if file
file_content_type = file.preferences['Content-Type'] || file.preferences['Mime-Type']
return serve_default_image if ActiveStorage.content_types_allowed_inline.exclude?(file_content_type)
send_data(
file.content,
filename: file.filename,
type: file_content_type,
disposition: 'inline'
)
return
end
serve_default_image
end
=begin
Resource:
POST /api/v1/users/avatar
Payload:
{
"avatar_full": "base64 url",
}
Response:
{
message: 'ok'
}
Test:
curl http://localhost/api/v1/users/avatar -v -u #{login}:#{password} -H "Content-Type: application/json" -X POST -d '{"avatar": "base64 url"}'
=end
def avatar_new
# get & validate image
begin
file_full = StaticAssets.data_url_attributes(params[:avatar_full])
rescue
render json: { error: 'Full size image is invalid' }, status: :unprocessable_entity
return
end
if ActiveStorage::Variant::WEB_IMAGE_CONTENT_TYPES.exclude?(file_full[:mime_type])
render json: { error: 'Mime type is invalid' }, status: :unprocessable_entity
return
end
begin
file_resize = StaticAssets.data_url_attributes(params[:avatar_resize])
rescue
render json: { error: 'Resized image is invalid' }, status: :unprocessable_entity
return
end
avatar = Avatar.add(
object: 'User',
o_id: current_user.id,
full: {
content: file_full[:content],
mime_type: file_full[:mime_type],
},
resize: {
content: file_resize[:content],
mime_type: file_resize[:mime_type],
},
source: "upload #{Time.zone.now}",
deletable: true,
)
# update user link
user = User.find(current_user.id)
user.update!(image: avatar.store_hash)
render json: { avatar: avatar }, status: :ok
end
def avatar_set_default
# get & validate image
raise Exceptions::UnprocessableEntity, 'No id of avatar!' if !params[:id]
# set as default
avatar = Avatar.set_default('User', current_user.id, params[:id])
# update user link
user = User.find(current_user.id)
user.update!(image: avatar.store_hash)
render json: {}, status: :ok
end
def avatar_destroy
# get & validate image
raise Exceptions::UnprocessableEntity, 'No id of avatar!' if !params[:id]
# remove avatar
Avatar.remove_one('User', current_user.id, params[:id])
# update user link
avatar = Avatar.get_default('User', current_user.id)
user = User.find(current_user.id)
user.update!(image: avatar.store_hash)
render json: {}, status: :ok
end
def avatar_list
# list of avatars
result = Avatar.list('User', current_user.id)
render json: { avatars: result }, status: :ok
end
# @path [GET] /users/import_example
#
# @summary Download of example CSV file.
# @notes The requester have 'admin.user' permissions to be able to download it.
# @example curl -u 'me@example.com:test' http://localhost:3000/api/v1/users/import_example
#
# @response_message 200 File download.
# @response_message 403 Forbidden / Invalid session.
def import_example
send_data(
User.csv_example,
filename: 'user-example.csv',
type: 'text/csv',
disposition: 'attachment'
)
end
# @path [POST] /users/import
#
# @summary Starts import.
# @notes The requester have 'admin.text_module' permissions to be create a new import.
# @example curl -u 'me@example.com:test' -F 'file=@/path/to/file/users.csv' 'https://your.zammad/api/v1/users/import?try=true'
# @example curl -u 'me@example.com:test' -F 'file=@/path/to/file/users.csv' 'https://your.zammad/api/v1/users/import'
#
# @response_message 201 Import started.
# @response_message 403 Forbidden / Invalid session.
def import_start
string = params[:data]
if string.blank? && params[:file].present?
string = params[:file].read.force_encoding('utf-8')
end
raise Exceptions::UnprocessableEntity, 'No source data submitted!' if string.blank?
result = User.csv_import(
string: string,
parse_params: {
col_sep: params[:col_sep] || ',',
},
try: params[:try],
delete: params[:delete],
)
render json: result, status: :ok
end
private
def clean_user_params
User.param_cleanup(User.association_name_to_id_convert(params), true).merge(screen: 'create')
end
# @summary Creates a User record with the provided attribute values.
# @notes For creating a user via agent interface
#
# @parameter User(required,body) [User] The attribute value structure needed to create a User record.
#
# @response_message 200 [User] Created User record.
# @response_message 403 Forbidden / Invalid session.
def create_internal
# permission check
check_attributes_by_current_user_permission(params)
user = User.new(clean_user_params)
user.associations_from_param(params)
user.save!
if params[:invite].present?
sleep 5 if ENV['REMOTE_URL'].present?
token = Token.create(action: 'PasswordReset', user_id: user.id)
NotificationFactory::Mailer.notification(
template: 'user_invite',
user: user,
objects: {
token: token,
user: user,
current_user: current_user,
}
)
end
if response_expand?
user = user.reload.attributes_with_association_names
user.delete('password')
render json: user, status: :created
return
end
if response_full?
result = {
id: user.id,
assets: user.assets({}),
}
render json: result, status: :created
return
end
user = user.reload.attributes_with_association_ids
user.delete('password')
render json: user, status: :created
end
# @summary Creates a User record with the provided attribute values.
# @notes For creating a user via public signup form
#
# @parameter User(required,body) [User] The attribute value structure needed to create a User record.
#
# @response_message 200 [User] Created User record.
# @response_message 403 Forbidden / Invalid session.
def create_signup
# check if feature is enabled
if !Setting.get('user_create_account')
raise Exceptions::UnprocessableEntity, 'Feature not enabled!'
end
# check signup option only after admin account is created
if !params[:signup]
raise Exceptions::UnprocessableEntity, 'Only signup with not authenticate user possible!'
end
# check if user already exists
if clean_user_params[:email].blank?
raise Exceptions::UnprocessableEntity, 'Attribute \'email\' required!'
end
email_taken_by = User.find_by email: clean_user_params[:email].downcase.strip
result = PasswordPolicy.new(clean_user_params[:password])
if !result.valid?
render json: { error: result.error }, status: :unprocessable_entity
return
end
user = User.new(clean_user_params)
user.associations_from_param(params)
user.role_ids = Role.signup_role_ids
user.source = 'signup'
if email_taken_by # show fake OK response to avoid leaking that email is already in use
User.without_callback :validation, :before, :ensure_uniq_email do # skip unique email validation
user.valid? # trigger errors raised in validations
end
result = User.password_reset_new_token(email_taken_by.email)
NotificationFactory::Mailer.notification(
template: 'signup_taken_reset',
user: email_taken_by,
objects: result,
)
render json: { message: 'ok' }, status: :created
return
end
UserInfo.ensure_current_user_id do
user.save!
end
result = User.signup_new_token(user)
NotificationFactory::Mailer.notification(
template: 'signup',
user: user,
objects: result,
)
render json: { message: 'ok' }, status: :created
end
# @summary Creates a User record with the provided attribute values.
# @notes For creating an administrator account when setting up the system
#
# @parameter User(required,body) [User] The attribute value structure needed to create a User record.
#
# @response_message 200 [User] Created User record.
# @response_message 403 Forbidden / Invalid session.
def create_admin
if User.count > 2 # system and example users
raise Exceptions::UnprocessableEntity, 'Administrator account already created'
end
# check if user already exists
if clean_user_params[:email].blank?
raise Exceptions::UnprocessableEntity, 'Attribute \'email\' required!'
end
# check password policy
result = PasswordPolicy.new(clean_user_params[:password])
if !result.valid?
render json: { error: result.error }, status: :unprocessable_entity
return
end
user = User.new(clean_user_params)
user.associations_from_param(params)
user.role_ids = Role.where(name: %w[Admin Agent]).pluck(:id)
user.group_ids = Group.all.pluck(:id)
UserInfo.ensure_current_user_id do
user.save!
end
Setting.set('system_init_done', true)
# fetch org logo
if user.email.present?
Service::Image.organization_suggest(user.email)
end
# load calendar
Calendar.init_setup(request.remote_ip)
# load text modules
begin
TextModule.load(request.env['HTTP_ACCEPT_LANGUAGE'] || 'en-us')
rescue => e
logger.error "Unable to load text modules #{request.env['HTTP_ACCEPT_LANGUAGE'] || 'en-us'}: #{e.message}"
end
render json: { message: 'ok' }, status: :created
end
def serve_default_image
image = 'R0lGODdhMAAwAOMAAMzMzJaWlr6+vqqqqqOjo8XFxbe3t7GxsZycnAAAAAAAAAAAAAAAAAAAAAAAAAAAACwAAAAAMAAwAAAEcxDISau9OOvNu/9gKI5kaZ5oqq5s675wLM90bd94ru98TwuAA+KQAQqJK8EAgBAgMEqmkzUgBIeSwWGZtR5XhSqAULACCoGCJGwlm1MGQrq9RqgB8fm4ZTUgDBIEcRR9fz6HiImKi4yNjo+QkZKTlJWWkBEAOw=='
send_data(
Base64.decode64(image),
filename: 'image.gif',
type: 'image/gif',
disposition: 'inline'
)
end
end