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ROC/modules/oauth20/cms_oauth_20_module.e

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note
description: "Generic OAuth Module supporting authentication using different providers."
date: "$Date: 2015-05-20 06:50:50 -0300 (mi. 20 de may. de 2015) $"
revision: "$Revision: 97328 $"
class
CMS_OAUTH_20_MODULE
inherit
CMS_MODULE
rename
module_api as user_oauth_api
redefine
filters,
register_hooks,
initialize,
install,
user_oauth_api
end
CMS_HOOK_BLOCK
CMS_HOOK_AUTO_REGISTER
CMS_HOOK_MENU_SYSTEM_ALTER
CMS_HOOK_VALUE_TABLE_ALTER
SHARED_EXECUTION_ENVIRONMENT
export
{NONE} all
end
REFACTORING_HELPER
SHARED_LOGGER
CMS_REQUEST_UTIL
create
make
feature {NONE} -- Initialization
make
-- Create current module
do
version := "1.0"
description := "OAuth20 module"
package := "authentication"
add_dependency ({CMS_AUTHENTICATION_MODULE})
create root_dir.make_current
cache_duration := 0
end
feature -- Access
name: STRING = "oauth20"
feature {CMS_API} -- Module Initialization
initialize (a_api: CMS_API)
-- <Precursor>
local
l_user_auth_api: like user_oauth_api
l_user_auth_storage: CMS_OAUTH_20_STORAGE_I
do
Precursor (a_api)
-- Storage initialization
if attached {CMS_STORAGE_SQL_I} a_api.storage as l_storage_sql then
create {CMS_OAUTH_20_STORAGE_SQL} l_user_auth_storage.make (l_storage_sql)
else
-- FIXME: in case of NULL storage, should Current be disabled?
create {CMS_OAUTH_20_STORAGE_NULL} l_user_auth_storage
end
-- API initialization
create l_user_auth_api.make_with_storage (a_api, l_user_auth_storage)
user_oauth_api := l_user_auth_api
ensure then
user_oauth_api_set: user_oauth_api /= Void
end
feature {CMS_API} -- Module management
install (api: CMS_API)
local
l_consumers: LIST [STRING]
do
-- Schema
if attached {CMS_STORAGE_SQL_I} api.storage as l_sql_storage then
if not l_sql_storage.sql_table_exists ("oauth2_consumers") then
--| Schema
l_sql_storage.sql_execute_file_script (api.module_resource_location (Current, (create {PATH}.make_from_string ("scripts")).extended ("oauth2_consumers.sql")), Void)
if l_sql_storage.has_error then
api.logger.put_error ("Could not initialize database for blog module", generating_type)
end
-- TODO workaround.
l_sql_storage.sql_execute_file_script (api.module_resource_location (Current, (create {PATH}.make_from_string ("scripts")).extended ("oauth2_consumers_initialize.sql")), Void)
end
-- TODO workaround, until we have an admin module
l_sql_storage.sql_query ("SELECT name FROM oauth2_consumers;", Void)
if l_sql_storage.has_error then
api.logger.put_error ("Could not initialize database for differnent consumerns", generating_type)
else
from
l_sql_storage.sql_start
create {ARRAYED_LIST[STRING]} l_consumers.make (2)
until
l_sql_storage.sql_after
loop
if attached l_sql_storage.sql_read_string (1) as l_name then
l_consumers.force ("oauth2_" + l_name)
end
l_sql_storage.sql_forth
end
l_sql_storage.sql_finalize
across l_consumers as ic loop
if not l_sql_storage.sql_table_exists (ic.item) then
if attached l_sql_storage.sql_script_content (api.module_resource_location (Current, (create {PATH}.make_from_string ("scripts")).extended ("oauth2_table.sql.tpl"))) as sql then
-- FIXME: shouldn't we use a unique table for all oauth providers? or as it is .. one table per oauth provider?
sql.replace_substring_all ("$table_name", ic.item)
l_sql_storage.sql_execute_script (sql, Void)
end
end
end
end
l_sql_storage.sql_finalize
Precursor {CMS_MODULE}(api)
end
end
feature {CMS_API} -- Access: API
user_oauth_api: detachable CMS_OAUTH_20_API
-- <Precursor>
feature -- Filters
filters (a_api: CMS_API): detachable LIST [WSF_FILTER]
-- Possibly list of Filter's module.
do
create {ARRAYED_LIST [WSF_FILTER]} Result.make (1)
if attached user_oauth_api as l_user_oauth_api then
Result.extend (create {CMS_OAUTH_20_FILTER}.make (a_api, l_user_oauth_api))
end
end
feature -- Access: docs
root_dir: PATH
cache_duration: INTEGER
-- Caching duration
--| 0: disable
--| -1: cache always valie
--| nb: cache expires after nb seconds.
cache_disabled: BOOLEAN
do
Result := cache_duration = 0
end
feature -- Router
setup_router (a_router: WSF_ROUTER; a_api: CMS_API)
-- <Precursor>
do
if attached user_oauth_api as l_user_oauth_api then
configure_web (a_api, l_user_oauth_api, a_router)
end
end
configure_web (a_api: CMS_API; a_user_oauth_api: CMS_OAUTH_20_API; a_router: WSF_ROUTER)
do
a_router.handle ("/account/roc-oauth-login", create {WSF_URI_AGENT_HANDLER}.make (agent handle_login (a_api, ?, ?)), a_router.methods_head_get)
a_router.handle ("/account/roc-oauth-logout", create {WSF_URI_AGENT_HANDLER}.make (agent handle_logout (a_api, ?, ?)), a_router.methods_get_post)
a_router.handle ("/account/login-with-oauth/{callback}", create {WSF_URI_TEMPLATE_AGENT_HANDLER}.make (agent handle_login_with_oauth (a_api,a_user_oauth_api, ?, ?)), a_router.methods_get_post)
a_router.handle ("/account/oauth-callback/{callback}", create {WSF_URI_TEMPLATE_AGENT_HANDLER}.make (agent handle_callback_oauth (a_api, a_user_oauth_api, ?, ?)), a_router.methods_get_post)
a_router.handle ("/account/oauth-associate", create {WSF_URI_TEMPLATE_AGENT_HANDLER}.make (agent handle_associate (a_api, a_user_oauth_api, ?, ?)), a_router.methods_post)
a_router.handle ("/account/oauth-un-associate", create {WSF_URI_TEMPLATE_AGENT_HANDLER}.make (agent handle_un_associate (a_api, a_user_oauth_api, ?, ?)), a_router.methods_post)
end
feature -- Hooks configuration
register_hooks (a_response: CMS_RESPONSE)
-- Module hooks configuration.
do
auto_subscribe_to_hooks (a_response)
a_response.hooks.subscribe_to_block_hook (Current)
a_response.hooks.subscribe_to_value_table_alter_hook (Current)
end
feature -- Hooks
value_table_alter (a_value: CMS_VALUE_TABLE; a_response: CMS_RESPONSE)
-- <Precursor>
do
if
attached a_response.user as u and then
attached {WSF_STRING} a_response.request.cookie ({CMS_OAUTH_20_CONSTANTS}.oauth_session)
then
a_value.force ("account/roc-oauth-logout", "auth_login_strategy")
end
end
menu_system_alter (a_menu_system: CMS_MENU_SYSTEM; a_response: CMS_RESPONSE)
-- Hook execution on collection of menu contained by `a_menu_system'
-- for related response `a_response'.
local
lnk: CMS_LOCAL_LINK
lnk2: detachable CMS_LINK
do
if
attached a_response.user as u and then
attached {WSF_STRING} a_response.request.cookie ({CMS_OAUTH_20_CONSTANTS}.oauth_session) as l_roc_auth_session_token
then
across
a_menu_system.primary_menu.items as ic
until
lnk2 /= Void
loop
if ic.item.location.same_string ("account/roc-logout") then
lnk2 := ic.item
end
end
if lnk2 /= Void then
a_menu_system.primary_menu.remove (lnk2)
end
create lnk.make ("Logout", "account/roc-oauth-logout" )
a_menu_system.primary_menu.extend (lnk)
else
if a_response.location.starts_with ("account/") then
create lnk.make ("OAuth", "account/roc-oauth-login")
a_response.add_to_primary_tabs (lnk)
end
end
end
block_list: ITERABLE [like {CMS_BLOCK}.name]
local
l_string: STRING
do
Result := <<"login", "account">>
debug ("roc")
create l_string.make_empty
across
Result as ic
loop
l_string.append (ic.item)
l_string.append_character (' ')
end
write_debug_log (generator + ".block_list:" + l_string )
end
end
get_block_view (a_block_id: READABLE_STRING_8; a_response: CMS_RESPONSE)
do
if
a_block_id.is_case_insensitive_equal_general ("login") and then
a_response.location.starts_with ("account/roc-oauth-login")
then
get_block_view_login (a_block_id, a_response)
elseif a_block_id.is_case_insensitive_equal_general ("account") and then
a_response.location.same_string ("account")
then
if
attached template_block ("account_info", a_response) as l_tpl_block and then
attached a_response.user as l_user
then
associate_account (l_user, a_response.values)
a_response.add_block (l_tpl_block, "content")
else
debug ("cms")
a_response.add_warning_message ("Error with block [resources_page]")
end
end
end
end
handle_login (api: CMS_API; req: WSF_REQUEST; res: WSF_RESPONSE)
local
r: CMS_RESPONSE
do
create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
r.set_value ("Login", "optional_content_type")
r.execute
end
handle_logout (api: CMS_API; req: WSF_REQUEST; res: WSF_RESPONSE)
local
r: CMS_RESPONSE
l_cookie: WSF_COOKIE
do
if
attached {WSF_STRING} req.cookie ({CMS_OAUTH_20_CONSTANTS}.oauth_session) as l_cookie_token and then
attached {CMS_USER} current_user (req) as l_user
then
-- Logout OAuth
create l_cookie.make ({CMS_OAUTH_20_CONSTANTS}.oauth_session, l_cookie_token.value)
l_cookie.set_path ("/")
l_cookie.set_max_age (-1)
res.add_cookie (l_cookie)
unset_current_user (req)
create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
r.set_status_code ({HTTP_CONSTANTS}.found)
r.set_redirection (req.absolute_script_url (""))
r.execute
else
fixme (generator + ": missing else implementation in handle_logout!")
end
end
feature {NONE} -- Associate
associate_account (a_user: CMS_USER; a_value: CMS_VALUE_TABLE)
local
l_associated: LIST [STRING]
l_not_associated: LIST [STRING]
do
if attached user_oauth_api as l_oauth_api then
create {ARRAYED_LIST [STRING]} l_associated.make (1)
create {ARRAYED_LIST [STRING]} l_not_associated.make (1)
across l_oauth_api.oauth2_consumers as ic loop
if attached l_oauth_api.user_oauth2_by_id (a_user.id, ic.item) then
l_associated.force (ic.item)
else
l_not_associated.force (ic.item)
end
end
a_value.force (l_associated, "oauth_associated")
a_value.force (l_not_associated, "oauth_not_associated")
end
end
feature {NONE} -- Helpers
template_block (a_block_id: READABLE_STRING_8; a_response: CMS_RESPONSE): detachable CMS_SMARTY_TEMPLATE_BLOCK
-- Smarty content block for `a_block_id'
local
p: detachable PATH
do
create p.make_from_string ("templates")
p := p.extended ("block_").appended (a_block_id).appended_with_extension ("tpl")
p := a_response.api.module_theme_resource_location (Current, p)
if p /= Void then
if attached p.entry as e then
create Result.make (a_block_id, Void, p.parent, e)
else
create Result.make (a_block_id, Void, p.parent, p)
end
end
end
feature {NONE} -- Block views
get_block_view_login (a_block_id: READABLE_STRING_8; a_response: CMS_RESPONSE)
local
vals: CMS_VALUE_TABLE
do
if attached template_block (a_block_id, a_response) as l_tpl_block then
create vals.make (1)
-- add the variable to the block
value_table_alter (vals, a_response)
across
vals as ic
loop
l_tpl_block.set_value (ic.item, ic.key)
end
if
attached user_oauth_api as l_auth_api and then
attached l_auth_api.oauth2_consumers as l_list
then
l_tpl_block.set_value (l_list, "oauth_consumers")
end
a_response.add_block (l_tpl_block, "content")
else
debug ("cms")
a_response.add_warning_message ("Error with block [" + a_block_id + "]")
end
end
end
feature -- OAuth2 Login with Provider
handle_login_with_oauth (api: CMS_API; a_oauth_api: CMS_OAUTH_20_API; req: WSF_REQUEST; res: WSF_RESPONSE)
local
r: CMS_RESPONSE
l_oauth: CMS_OAUTH_20_WORKFLOW
do
if
attached {WSF_STRING} req.path_parameter ({CMS_OAUTH_20_CONSTANTS}.oauth_callback) as p_consumer and then
attached {CMS_OAUTH_20_CONSUMER} a_oauth_api.oauth_consumer_by_name (p_consumer.value) as l_consumer
then
create l_oauth.make (req.server_url, l_consumer)
if attached l_oauth.authorization_url as l_authorization_url then
create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
r.set_redirection (l_authorization_url)
r.execute
else
create {BAD_REQUEST_ERROR_CMS_RESPONSE} r.make (req, res, api)
r.set_main_content ("Bad request")
r.execute
end
else
create {BAD_REQUEST_ERROR_CMS_RESPONSE} r.make (req, res, api)
r.set_main_content ("Bad request")
r.execute
end
end
handle_callback_oauth (api: CMS_API; a_user_oauth_api: CMS_OAUTH_20_API; req: WSF_REQUEST; res: WSF_RESPONSE)
local
r: CMS_RESPONSE
l_auth: CMS_OAUTH_20_WORKFLOW
l_user_api: CMS_USER_API
l_user: CMS_USER
l_roles: LIST [CMS_USER_ROLE]
l_cookie: WSF_COOKIE
es: CMS_AUTHENTICATON_EMAIL_SERVICE
do
if attached {WSF_STRING} req.path_parameter ({CMS_OAUTH_20_CONSTANTS}.oauth_callback) as l_callback and then
attached {CMS_OAUTH_20_CONSUMER} a_user_oauth_api.oauth_consumer_by_callback (l_callback.value) as l_consumer and then
attached {WSF_STRING} req.query_parameter ({CMS_OAUTH_20_CONSTANTS}.oauth_code) as l_code
then
create l_auth.make (req.server_url, l_consumer)
l_auth.sign_request (l_code.value)
if
attached l_auth.access_token as l_access_token and then
attached l_auth.user_profile as l_user_profile
then
create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
-- extract user email
-- check if the user exist
l_user_api := api.user_api
-- 1 if the user exit put it in the context
if
attached l_auth.user_email as l_email
then
if attached l_user_api.user_by_email (l_email) as p_user then
-- User with email exist
if attached a_user_oauth_api.user_oauth2_by_id (p_user.id, l_consumer.name) then
-- Update oauth entry
a_user_oauth_api.update_user_oauth2 (l_access_token.token, l_user_profile, p_user, l_consumer.name )
else
-- create a oauth entry
a_user_oauth_api.new_user_oauth2 (l_access_token.token, l_user_profile, p_user, l_consumer.name )
end
create l_cookie.make ({CMS_OAUTH_20_CONSTANTS}.oauth_session, l_access_token.token)
l_cookie.set_max_age (l_access_token.expires_in)
l_cookie.set_path ("/")
res.add_cookie (l_cookie)
elseif attached a_user_oauth_api.user_oauth2_by_email (l_email, l_consumer.name) as p_user then
a_user_oauth_api.update_user_oauth2 (l_access_token.token, l_user_profile, p_user, l_consumer.name )
create l_cookie.make ({CMS_OAUTH_20_CONSTANTS}.oauth_session, l_access_token.token)
l_cookie.set_max_age (l_access_token.expires_in)
l_cookie.set_path ("/")
res.add_cookie (l_cookie)
else
create {ARRAYED_LIST [CMS_USER_ROLE]} l_roles.make (1)
l_roles.force (l_user_api.authenticated_user_role)
-- Create a new user and oauth entry
create l_user.make (l_email)
l_user.set_email (l_email)
l_user.set_password (new_token) -- generate a random password.
l_user.set_roles (l_roles)
l_user.mark_active
l_user_api.new_user (l_user)
-- Add oauth entry
a_user_oauth_api.new_user_oauth2 (l_access_token.token, l_user_profile, l_user, l_consumer.name )
create l_cookie.make ({CMS_OAUTH_20_CONSTANTS}.oauth_session, l_access_token.token)
l_cookie.set_max_age (l_access_token.expires_in)
l_cookie.set_path ("/")
res.add_cookie (l_cookie)
set_current_user (req, l_user)
-- Send Email
create es.make (create {CMS_AUTHENTICATION_EMAIL_SERVICE_PARAMETERS}.make (api))
write_debug_log (generator + ".handle_callback_oauth: send_contact_welcome_email")
es.send_contact_welcome_email (l_email, "")
end
end
r.set_redirection (r.front_page_url)
r.execute
end
end
end
handle_associate (api: CMS_API; a_oauth_api: CMS_OAUTH_20_API; req: WSF_REQUEST; res: WSF_RESPONSE)
local
r: CMS_RESPONSE
do
create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
if req.is_post_request_method then
if
attached {WSF_STRING} req.form_parameter ("consumer") as l_consumer and then
attached {WSF_STRING} req.form_parameter ("email") as l_email and then
attached r.user as l_user
then
l_user.set_email (l_email.value)
a_oauth_api.new_user_oauth2 ("none", "none", l_user, l_consumer.value )
-- TODO send email?
end
end
r.set_redirection (req.absolute_script_url ("/account"))
r.execute
end
handle_un_associate (api: CMS_API; a_oauth_api: CMS_OAUTH_20_API; req: WSF_REQUEST; res: WSF_RESPONSE)
local
r: CMS_RESPONSE
do
create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
if req.is_post_request_method then
if
attached {WSF_STRING} req.form_parameter ("consumer") as l_consumer and then
attached r.user as l_user
then
a_oauth_api.remove_user_oauth2 (l_user, l_consumer.value)
-- TODO send email?
end
end
r.set_redirection (req.absolute_script_url ("/account"))
r.execute
end
feature {NONE} -- Token Generation
new_token: STRING
-- Generate a new token activation token
local
l_token: STRING
l_security: SECURITY_PROVIDER
l_encode: URL_ENCODER
do
create l_security
l_token := l_security.token
create l_encode
from until l_token.same_string (l_encode.encoded_string (l_token)) loop
-- Loop ensure that we have a security token that does not contain characters that need encoding.
-- We cannot simply to an encode-decode because the email sent to the user will contain an encoded token
-- but the user will need to use an unencoded token if activation has to be done manually.
l_token := l_security.token
end
Result := l_token
end
feature {NONE} -- Implementation: date and time
http_date_format_to_date (s: READABLE_STRING_8): detachable DATE_TIME
local
d: HTTP_DATE
do
create d.make_from_string (s)
if not d.has_error then
Result := d.date_time
end
end
file_date (p: PATH): DATE_TIME
require
path_exists: (create {FILE_UTILITIES}).file_path_exists (p)
local
f: RAW_FILE
do
create f.make_with_path (p)
Result := timestamp_to_date (f.date)
end
timestamp_to_date (n: INTEGER): DATE_TIME
local
d: HTTP_DATE
do
create d.make_from_timestamp (n)
Result := d.date_time
end
note
copyright: "Copyright (c) 1984-2013, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
source: "[
Eiffel Software
5949 Hollister Ave., Goleta, CA 93117 USA
Telephone 805-685-1006, Fax 805-685-6869
Website http://www.eiffel.com
Customer support http://support.eiffel.com
]"
end