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app.moon
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app.moon
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-- fasty CMS
sass = require 'sass'
lapis = require 'lapis'
stringy = require 'stringy'
shell = require 'resty.shell'
app_config = require "lapis.config"
config = app_config.get!
db_config = app_config.get("db_#{config._name}")
import aqls from require 'lib.aqls'
import write_cache, read_cache from require 'lib.cache'
import basic_auth, is_auth from require 'lib.basic_auth'
import after_dispatch from require 'lapis.nginx.context'
import write_content, read_file from require 'lib.service'
import hmac_sha1, encode_base64 from require 'lapis.util.encoding'
import uuid, check_valid_lang, define_content_type, table_deep_merge from require 'lib.utils'
import auth_arangodb, aql, list_databases from require 'lib.arango'
import trim, from_json, to_json, unescape, slugify from require 'lapis.util'
import dynamic_replace, dynamic_page, page_info, splat_to_table
load_page_by_slug, load_redirection, prepare_bindvars from require 'lib.concerns'
jwt = {}
global_data = {}
all_domains = nil
settings = {}
no_db = {}
sub_domain = ''
git_folder = {}
last_db_connect = os.time(os.date("!*t"))
app_config "development", -> measure_performance true
expire_at = () ->
'Expires: ' .. os.date('%a, %d %b %Y %H:%M:%S GMT', os.time() + 60*60*24*365)
--------------------------------------------------------------------------------
define_subdomain = ()=>
sub_domain = @req.headers['x-app'] or stringy.split(@req.headers.host, '.')[1]
--------------------------------------------------------------------------------
load_settings = ()=>
if (os.time(os.date("!*t")) - last_db_connect) > (config.db_ttl and config.db_ttl or 10) -- reconnect each 10 seconds
jwt[sub_domain] = nil
global_data[sub_domain] = nil
last_db_connect = os.time(os.date("!*t"))
unless global_data[sub_domain]
jwt[sub_domain] = auth_arangodb(sub_domain, db_config) if jwt[sub_domain] == nil or all_domains == nil
all_domains = list_databases! if all_domains == nil
if all_domains["db_#{sub_domain}"] == nil
no_db[sub_domain] = true
else
global_data[sub_domain] = aql("db_#{sub_domain}", aqls.settings)['result'][1]
global_data[sub_domain]['partials'] = {}
settings[sub_domain] = global_data[sub_domain].settings[1]
site_settings = from_json(settings[sub_domain].home)
git_folder[sub_domain] = site_settings['git_folder'] and site_settings['git_folder'] or "git/db_#{sub_domain}"
--------------------------------------------------------------------------------
lua_files = (path)=>
for file in lfs.dir(path) do
if file ~= "." and file ~= ".." then
f = path..'/'..file
attr = lfs.attributes (f)
if(type(attr) ~= "nil")
assert(type(attr) == "table")
if(attr.mode == "directory")
lua_files(@, f)
else
if stringy.split(file, ".")[2] == "lua"
path = stringy.split(f, ".")[1]\gsub("/", ".")
@include path
--------------------------------------------------------------------------------
class extends lapis.Application
@before_filter=>
start_time = os.clock!
define_subdomain(@)
after_dispatch ->
if config.measure_performance
print to_json(ngx.ctx.performance)
print to_json("#{(os.clock! - start_time) * 1000}ms")
handle_error: (err, trace)=>
if config._name == 'production' then
print(to_json(err) .. to_json(trace))
@err = err
display_error_page(@, 500)
else
super err, trace
@enable 'etlua'
@include 'applications.uploads'
@include 'applications.services'
@include 'applications.assets'
lua_files(@, "git/lua") if os.rename("git/lua", "git/lua")
layout: false -- we don't need a layout, it will be loaded dynamically
------------------------------------------------------------------------------
display_error_page = (status=500, headers={})=>
error_page = from_json(settings[sub_domain].home)["error_#{status}"]
if error_page ~= nil then
display_page(@, error_page, 404)
else
render: "error_#{status}" , status: status, headers: headers
------------------------------------------------------------------------------
display_page = (slug=nil, status=200)=>
db_name = "db_#{sub_domain}"
asset = ngx.location.capture("/#{git_folder[sub_domain]}/public/#{@req.parsed_url.path}")
html = ''
if asset.status == 200
content_type: define_content_type(@req.parsed_url.path), status: 200, asset.body, headers: { 'expires': expire_at! }
else
slug = @params.slug if slug == nil
slug = unescape(slug)
page_content_type = define_content_type(slug)
slug = slug\gsub(".pdf", "") if page_content_type == "application/pdf"
@params.lang = check_valid_lang(settings[sub_domain].langs, @params.lang)
@session.lang = @params.lang
used_lang = @params.lang
cache = read_cache(db_name, @req.parsed_url.path)
infos = page_info(git_folder[sub_domain], db_name, @params.slug, @params.lang)
if cache.status == 200
html = cache.body
else
redirection = load_redirection(db_name, @params)
current_page = load_page_by_slug(git_folder[sub_domain], db_name, slug, @params.lang)
if current_page == nil then
used_lang = stringy.split(settings[sub_domain].langs, ',')[1]
infos = page_info(git_folder[sub_domain], db_name, @params.slug, used_lang)
current_page = load_page_by_slug(git_folder[sub_domain], db_name, slug, used_lang)
if @params.splat and table.getn(stringy.split(@params.splat, '/')) % 2 == 1
@params.splat = "slug/#{@params.splat}"
if infos == nil
infos = { 'page': {}, 'folder': {} }
else
current_page.item = table_deep_merge(current_page.item, infos.page)
if infos.page.og_aql and infos.page.og_aql[@params.lang] and infos.page.og_aql[@params.lang] != ''
splat = {}
splat = splat_to_table(@params.splat) if @params.splat
bindvars = prepare_bindvars(splat, infos.page.og_aql[@params.lang], @params.lang)
@params.og_data = aql(db_name, infos.page.og_aql[@params.lang], bindvars)['result'][1]
if redirection == nil then
params_lang = @params.lang
@params.lang = used_lang
html = dynamic_page(db_name, current_page, @params, global_data[sub_domain])
@params.lang = params_lang
else
html = redirection
html = dynamic_replace(db_name, html, global_data[sub_domain], {}, @params)
if infos.page.ttl
write_cache(@req.parsed_url.path, html, db_name, infos.page.ttl)
basic_auth(@, settings[sub_domain], infos) -- check if website need a basic auth
if is_auth(@, settings[sub_domain], infos)
if html ~= 'null' and trim(html) != '' then
if page_content_type ~= "application/pdf" then
etag = encode_base64(hmac_sha1(html, ''))
if etag == @req.headers['If-None-Match'] then
status: 304
else
content_type: page_content_type, html, status: status, headers: { 'Etag': etag }
else -- convert html data to pdf
filename = "#{uuid!}.html"
write_content "print/#{filename}", html
shell.run "wkhtmltopdf print/#{filename} print/#{filename}.pdf"
pdf = read_file "print/#{filename}.pdf", "rb"
shell.run "rm print/#{filename}"
shell.run "rm print/#{filename}.pdf"
content_type: "application/pdf", pdf, status: status
else
display_error_page(@, 404)
else
status: 401, headers: { 'WWW-Authenticate': 'Basic realm=\"admin\"' }
------------------------------------------------------------------------------
[need_a_db: '/need_a_db']:=> render: true
------------------------------------------------------------------------------
[robots: '/robots.txt']:=>
if no_db[sub_domain] then redirect_to: 'need_a_db'
else
load_settings(@)
@params.lang = @session.lang
@params.all = '-'
@params.slug = 'robots'
display_page(@)
------------------------------------------------------------------------------
[root: '/(:lang)']:=>
if no_db[sub_domain] then redirect_to: 'need_a_db'
else
load_settings(@)
lang = @params.lang or stringy.split(settings[sub_domain].langs, ',')[1]
@session.lang = check_valid_lang(settings[sub_domain].langs, lang)
if @params.lang and @params.lang ~= @session.lang
@params.all = '-'
@params.slug = @params.lang
@params.lang = @session.lang
@session.lang = check_valid_lang(settings[sub_domain].langs, lang)
if @params.slug
display_page(@)
else
home = from_json(settings[sub_domain].home)
@params.lang = @session.lang
@params.all = home['all']
@params.slug = home['slug']
@params.splat = home['splat'] if home['splat']
if type(home['root_redirection']) == 'string'
redirect_to: home['root_redirection']
else
display_page(@)
------------------------------------------------------------------------------
[page_no_lang: '/:all/:slug']:=>
if no_db[sub_domain] then redirect_to: '/need_a_db'
else
load_settings(@)
@params.lang = check_valid_lang(settings[sub_domain].langs, @params.all)
unless @session.lang
@session.lang = stringy.split(settings[sub_domain].langs, ',')[1]
display_page(@)
------------------------------------------------------------------------------
[page: '/:lang/:all/:slug(/*)']:=>
if no_db[sub_domain] then redirect_to: '/need_a_db'
else
load_settings(@)
display_page(@)
--