webmcp

annotate framework/cgi-bin/webmcp.lua @ 176:8d7665e0d490

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Load JSON library in WebMCP and automatically convert JSON documents in mondelefant-atom-connector
author jbe
date Fri Aug 01 22:17:08 2014 +0200 (2014-08-01)
parents 30391b40722f
children
rev   line source
jbe/bsw@0 1 #!/usr/bin/env lua
jbe/bsw@0 2
jbe@116 3 _WEBMCP_VERSION = "1.2.6"
jbe@64 4
jbe@64 5 -- Lua 5.1 compatibility
jbe@64 6 if not table.unpack then
jbe@64 7 table.unpack = unpack
jbe@64 8 end
jbe@68 9 do
jbe@68 10 local old_load = load
jbe@68 11 function load(ld, ...)
jbe@69 12 if type(ld) == "string" then
jbe@68 13 local done = false
jbe@68 14 local func = function()
jbe@68 15 if not done then
jbe@68 16 done = true
jbe@68 17 return ld
jbe@68 18 end
jbe@68 19 end
jbe@68 20 return old_load(func, ...)
jbe@68 21 else
jbe@68 22 return old_load(ld, ...)
jbe@68 23 end
jbe@68 24 end
jbe@68 25 end
jbe@1 26
jbe/bsw@0 27 -- include "../lib/" in search path for libraries
poelzi@28 28 if not WEBMCP_PATH then
poelzi@28 29 WEBMCP_PATH = "../"
poelzi@28 30 end
jbe/bsw@0 31 do
jbe@43 32 package.path = WEBMCP_PATH .. 'lib/?.lua;' .. package.path
jbe/bsw@0 33 -- find out which file name extension shared libraries have
jbe/bsw@0 34 local slib_exts = {}
jbe/bsw@0 35 for ext in string.gmatch(package.cpath, "%?%.([A-Za-z0-9_-]+)") do
jbe/bsw@0 36 slib_exts[ext] = true
jbe/bsw@0 37 end
jbe/bsw@0 38 local paths = {}
jbe/bsw@0 39 for ext in pairs(slib_exts) do
jbe@43 40 paths[#paths+1] = WEBMCP_PATH .. "accelerator/?." .. ext
jbe/bsw@0 41 end
jbe/bsw@0 42 for ext in pairs(slib_exts) do
jbe@43 43 paths[#paths+1] = WEBMCP_PATH .. "lib/?." .. ext
jbe/bsw@0 44 end
jbe/bsw@0 45 paths[#paths+1] = package.cpath
jbe/bsw@0 46 package.cpath = table.concat(paths, ";")
jbe/bsw@0 47 end
jbe/bsw@0 48
jbe/bsw@0 49 -- load os extensions for lua
jbe/bsw@0 50 -- (should happen as soon as possible due to run time measurement)
jbe@64 51 extos = require 'extos'
jbe/bsw@0 52
jbe/bsw@0 53 -- load nihil library
jbe@64 54 nihil = require 'nihil'
jbe/bsw@0 55
jbe/bsw@0 56 -- load random generator library
jbe@64 57 multirand = require 'multirand'
jbe/bsw@0 58
jbe@86 59 -- load rocketcgi library and map it to cgi, unless interactive
jbe/bsw@0 60 do
jbe/bsw@0 61 local option = os.getenv("WEBMCP_INTERACTIVE")
jbe/bsw@0 62 if option and option ~= "" and option ~= "0" then
jbe/bsw@0 63 cgi = nil
jbe/bsw@0 64 else
jbe@69 65 rocketcgi = require 'rocketcgi' -- TODO: no "rocketcgi" alias
jbe/bsw@0 66 cgi = rocketcgi
jbe/bsw@0 67 end
jbe/bsw@0 68 end
jbe/bsw@0 69
jbe/bsw@0 70 -- load database access library with object relational mapper
jbe@64 71 mondelefant = require 'mondelefant'
jbe/bsw@0 72 mondelefant.connection_prototype.error_objects = true
jbe/bsw@0 73
jbe/bsw@0 74 -- load type system "atom"
jbe@64 75 atom = require 'atom'
jbe/bsw@0 76
jbe@176 77 -- load JSON library
jbe@176 78 json = require 'json'
jbe@176 79
jbe/bsw@0 80 -- load mondelefant atom connector
jbe/bsw@0 81 require 'mondelefant_atom_connector'
jbe/bsw@0 82
jbe/bsw@0 83 --[[--
jbe/bsw@0 84 cloned_table = -- newly generated table
jbe/bsw@0 85 table.new(
jbe/bsw@0 86 table_or_nil -- keys of a given table will be copied to the new table
jbe/bsw@0 87 )
jbe/bsw@0 88
jbe/bsw@0 89 If a table is given, then a cloned table is returned.
jbe/bsw@0 90 If nil is given, then a new empty table is returned.
jbe/bsw@0 91
jbe/bsw@0 92 --]]--
jbe/bsw@0 93 function table.new(tbl)
jbe/bsw@0 94 new_tbl = {}
jbe/bsw@0 95 if tbl then
jbe/bsw@0 96 for key, value in pairs(tbl) do
jbe/bsw@0 97 new_tbl[key] = value
jbe/bsw@0 98 end
jbe/bsw@0 99 end
jbe/bsw@0 100 return new_tbl
jbe/bsw@0 101 end
jbe/bsw@0 102 --//--
jbe/bsw@0 103
jbe/bsw@0 104 --[[--
jbe/bsw@0 105 at_exit(
jbe/bsw@0 106 func -- function to be called before the process is ending
jbe/bsw@0 107 )
jbe/bsw@0 108
jbe/bsw@0 109 Registers a function to be called before the CGI process is exiting.
jbe/bsw@0 110 --]]--
jbe/bsw@0 111 do
jbe/bsw@0 112 local exit_handlers = {}
jbe/bsw@0 113 function at_exit(func)
jbe/bsw@0 114 table.insert(exit_handlers, func)
jbe/bsw@0 115 end
jbe/bsw@0 116 function exit(code)
jbe/bsw@0 117 for i = #exit_handlers, 1, -1 do
jbe/bsw@0 118 exit_handlers[i]()
jbe/bsw@0 119 end
jbe/bsw@0 120 os.exit(code)
jbe/bsw@0 121 end
jbe/bsw@0 122 end
jbe/bsw@0 123 --//--
jbe/bsw@0 124
jbe/bsw@0 125 --[[--
jbe/bsw@0 126 app -- table to store an application state
jbe/bsw@0 127
jbe/bsw@0 128 'app' is a global table for storing any application state data
jbe/bsw@0 129 --]]--
jbe/bsw@0 130 app = {}
jbe/bsw@0 131 --//--
jbe/bsw@0 132
jbe/bsw@0 133 --[[--
jbe/bsw@0 134 config -- table to store application configuration
jbe/bsw@0 135
jbe/bsw@0 136 'config' is a global table, which can be modified by a config file of an application to modify the behaviour of that application.
jbe/bsw@0 137 --]]--
jbe/bsw@0 138 config = {}
jbe/bsw@0 139 --//--
jbe/bsw@0 140
jbe/bsw@0 141 -- autoloader system for WebMCP environment "../env/",
jbe/bsw@0 142 -- application environment extensions "$WEBMCP_APP_BASE/env/"
jbe/bsw@0 143 -- and models "$WEBMCP_APP_BASE/model/"
jbe/bsw@0 144 do
jbe/bsw@0 145 local app_base = os.getenv("WEBMCP_APP_BASEPATH")
jbe/bsw@0 146 if not app_base then
jbe/bsw@0 147 error(
jbe/bsw@0 148 "Failed to initialize autoloader " ..
jbe/bsw@0 149 "due to unset WEBMCP_APP_BASEPATH environment variable."
jbe/bsw@0 150 )
jbe/bsw@0 151 end
jbe/bsw@0 152 local weakkey_mt = { __mode = "k" }
jbe/bsw@0 153 local autoloader_category = setmetatable({}, weakkey_mt)
jbe/bsw@0 154 local autoloader_path = setmetatable({}, weakkey_mt)
jbe/bsw@0 155 local autoloader_mt = {}
jbe/bsw@0 156 local function install_autoloader(self, category, path)
jbe/bsw@0 157 autoloader_category[self] = category
jbe/bsw@0 158 autoloader_path[self] = path
jbe/bsw@0 159 setmetatable(self, autoloader_mt)
jbe/bsw@0 160 end
jbe/bsw@0 161 local function try_exec(filename)
jbe/bsw@0 162 local file = io.open(filename, "r")
jbe/bsw@0 163 if file then
jbe/bsw@0 164 local filedata = file:read("*a")
jbe/bsw@0 165 io.close(file)
jbe@68 166 local func, errmsg = load(filedata, "=" .. filename)
jbe/bsw@0 167 if func then
jbe/bsw@0 168 func()
jbe/bsw@0 169 return true
jbe/bsw@0 170 else
jbe/bsw@0 171 error(errmsg, 0)
jbe/bsw@0 172 end
jbe/bsw@0 173 else
jbe/bsw@0 174 return false
jbe/bsw@0 175 end
jbe/bsw@0 176 end
jbe/bsw@0 177 local function compose_path_string(base, path, key)
jbe/bsw@0 178 return string.gsub(
jbe/bsw@0 179 base .. table.concat(path, "/") .. "/" .. key, "/+", "/"
jbe/bsw@0 180 )
jbe/bsw@0 181 end
jbe/bsw@0 182 function autoloader_mt.__index(self, key)
jbe/bsw@0 183 local category, base_path, merge_base_path, file_key
jbe/bsw@0 184 local merge = false
jbe/bsw@0 185 if
jbe/bsw@0 186 string.find(key, "^[a-z_][A-Za-z0-9_]*$") and
jbe/bsw@0 187 not string.find(key, "^__")
jbe/bsw@0 188 then
jbe/bsw@0 189 category = "env"
jbe@43 190 base_path = WEBMCP_PATH .. "/env/"
jbe/bsw@0 191 merge = true
jbe/bsw@0 192 merge_base_path = app_base .. "/env/"
jbe/bsw@0 193 file_key = key
jbe/bsw@0 194 elseif string.find(key, "^[A-Z][A-Za-z0-9]*$") then
jbe/bsw@0 195 category = "model"
jbe/bsw@0 196 base_path = app_base .. "/model/"
jbe/bsw@0 197 local first = true
jbe/bsw@0 198 file_key = string.gsub(key, "[A-Z]",
jbe/bsw@0 199 function(c)
jbe/bsw@0 200 if first then
jbe/bsw@0 201 first = false
jbe/bsw@0 202 return string.lower(c)
jbe/bsw@0 203 else
jbe/bsw@0 204 return "_" .. string.lower(c)
jbe/bsw@0 205 end
jbe/bsw@0 206 end
jbe/bsw@0 207 )
jbe/bsw@0 208 else
jbe/bsw@0 209 return
jbe/bsw@0 210 end
jbe/bsw@0 211 local required_category = autoloader_category[self]
jbe/bsw@0 212 if required_category and required_category ~= category then return end
jbe/bsw@0 213 local path = autoloader_path[self]
jbe/bsw@0 214 local path_string = compose_path_string(base_path, path, file_key)
jbe/bsw@0 215 local merge_path_string
jbe/bsw@0 216 if merge then
jbe/bsw@0 217 merge_path_string = compose_path_string(
jbe/bsw@0 218 merge_base_path, path, file_key
jbe/bsw@0 219 )
jbe/bsw@0 220 end
jbe/bsw@0 221 local function try_dir(dirname)
jbe/bsw@0 222 local dir = io.open(dirname)
jbe/bsw@0 223 if dir then
jbe/bsw@0 224 io.close(dir)
jbe/bsw@0 225 local obj = {}
jbe/bsw@0 226 local sub_path = {}
jbe/bsw@0 227 for i, v in ipairs(path) do sub_path[i] = v end
jbe/bsw@0 228 table.insert(sub_path, file_key)
jbe/bsw@0 229 install_autoloader(obj, category, sub_path)
jbe/bsw@0 230 rawset(self, key, obj)
jbe/bsw@0 231 try_exec(path_string .. "/__init.lua")
jbe/bsw@0 232 if merge then try_exec(merge_path_string .. "/__init.lua") end
jbe/bsw@0 233 return true
jbe/bsw@0 234 else
jbe/bsw@0 235 return false
jbe/bsw@0 236 end
jbe/bsw@0 237 end
jbe/bsw@0 238 if merge and try_exec(merge_path_string .. ".lua") then
jbe/bsw@0 239 elseif merge and try_dir(merge_path_string .. "/") then
jbe/bsw@0 240 elseif try_exec(path_string .. ".lua") then
jbe/bsw@0 241 elseif try_dir(path_string .. "/") then
jbe/bsw@0 242 else end
jbe/bsw@0 243 return rawget(self, key)
jbe/bsw@0 244 end
jbe/bsw@0 245 install_autoloader(_G, nil, {})
jbe@43 246 try_exec(WEBMCP_PATH .. "env/__init.lua")
jbe/bsw@0 247 end
jbe/bsw@0 248
jbe/bsw@0 249 -- interactive console mode
jbe/bsw@0 250 if not cgi then
jbe@86 251 trace.disable() -- avoids memory leakage
jbe/bsw@0 252 local config_name = request.get_config_name()
jbe/bsw@0 253 if config_name then
jbe/bsw@0 254 execute.config(config_name)
jbe/bsw@0 255 end
jbe/bsw@0 256 return
jbe/bsw@0 257 end
jbe/bsw@0 258
jbe/bsw@0 259 local success, error_info = xpcall(
jbe/bsw@0 260 function()
jbe/bsw@0 261
jbe/bsw@0 262 -- execute configuration file
jbe/bsw@0 263 do
jbe/bsw@0 264 local config_name = request.get_config_name()
jbe/bsw@0 265 if config_name then
jbe/bsw@0 266 execute.config(config_name)
jbe/bsw@0 267 end
jbe/bsw@0 268 end
jbe/bsw@0 269
jbe/bsw@0 270 -- restore slots if coming from http redirect
jbe/bsw@0 271 if cgi.params.tempstore then
jbe/bsw@0 272 trace.restore_slots{}
jbe/bsw@0 273 local blob = tempstore.pop(cgi.params.tempstore)
jbe/bsw@0 274 if blob then slot.restore_all(blob) end
jbe/bsw@0 275 end
jbe/bsw@0 276
jbe/bsw@0 277 local function file_exists(filename)
jbe/bsw@0 278 local file = io.open(filename, "r")
jbe/bsw@0 279 if file then
jbe/bsw@0 280 io.close(file)
jbe/bsw@0 281 return true
jbe/bsw@0 282 else
jbe/bsw@0 283 return false
jbe/bsw@0 284 end
jbe/bsw@0 285 end
jbe/bsw@0 286
jbe@97 287 if request.is_404() then
jbe/bsw@0 288 request.set_status("404 Not Found")
jbe/bsw@0 289 if request.get_404_route() then
jbe/bsw@0 290 request.forward(request.get_404_route())
jbe/bsw@0 291 else
jbe/bsw@0 292 error("No 404 page set.")
jbe/bsw@0 293 end
jbe/bsw@0 294 elseif request.get_action() then
jbe/bsw@0 295 trace.request{
jbe/bsw@0 296 module = request.get_module(),
jbe/bsw@0 297 action = request.get_action()
jbe/bsw@0 298 }
jbe/bsw@0 299 if
jbe/bsw@0 300 request.get_404_route() and
jbe/bsw@0 301 not file_exists(
jbe/bsw@0 302 encode.action_file_path{
jbe/bsw@0 303 module = request.get_module(),
jbe/bsw@0 304 action = request.get_action()
jbe/bsw@0 305 }
jbe/bsw@0 306 )
jbe/bsw@0 307 then
jbe/bsw@0 308 request.set_status("404 Not Found")
jbe/bsw@0 309 request.forward(request.get_404_route())
jbe/bsw@0 310 else
jbe/bsw@0 311 if cgi.method ~= "POST" then
jbe/bsw@0 312 request.set_status("405 Method Not Allowed")
jbe/bsw@0 313 cgi.add_header("Allow: POST")
jbe/bsw@0 314 error("Tried to invoke an action with a GET request.")
jbe/bsw@0 315 end
jbe/bsw@0 316 local action_status = execute.filtered_action{
jbe/bsw@0 317 module = request.get_module(),
jbe/bsw@0 318 action = request.get_action(),
jbe/bsw@0 319 }
jbe/bsw@0 320 if not request.is_rerouted() then
jbe/bsw@0 321 local routing_mode, routing_module, routing_view
jbe/bsw@0 322 routing_mode = cgi.params["_webmcp_routing." .. action_status .. ".mode"]
jbe/bsw@0 323 routing_module = cgi.params["_webmcp_routing." .. action_status .. ".module"]
jbe/bsw@0 324 routing_view = cgi.params["_webmcp_routing." .. action_status .. ".view"]
jbe@113 325 routing_anchor = cgi.params["_webmcp_routing." .. action_status .. ".anchor"]
jbe/bsw@0 326 if not (routing_mode or routing_module or routing_view) then
jbe/bsw@0 327 action_status = "default"
jbe/bsw@0 328 routing_mode = cgi.params["_webmcp_routing.default.mode"]
jbe/bsw@0 329 routing_module = cgi.params["_webmcp_routing.default.module"]
jbe/bsw@0 330 routing_view = cgi.params["_webmcp_routing.default.view"]
jbe@113 331 routing_anchor = cgi.params["_webmcp_routing.default.anchor"]
jbe/bsw@0 332 end
jbe/bsw@0 333 assert(routing_module, "Routing information has no module.")
jbe/bsw@0 334 assert(routing_view, "Routing information has no view.")
jbe/bsw@0 335 if routing_mode == "redirect" then
jbe/bsw@0 336 local routing_params = {}
jbe/bsw@0 337 for key, value in pairs(cgi.params) do
jbe/bsw@0 338 local status, stripped_key = string.match(
jbe/bsw@0 339 key, "^_webmcp_routing%.([^%.]*)%.params%.(.*)$"
jbe/bsw@0 340 )
jbe/bsw@0 341 if status == action_status then
jbe/bsw@0 342 routing_params[stripped_key] = value
jbe/bsw@0 343 end
jbe/bsw@0 344 end
jbe/bsw@0 345 request.redirect{
jbe/bsw@0 346 module = routing_module,
jbe/bsw@0 347 view = routing_view,
jbe/bsw@0 348 id = cgi.params["_webmcp_routing." .. action_status .. ".id"],
jbe@113 349 params = routing_params,
jbe@113 350 anchor = routing_anchor
jbe/bsw@0 351 }
jbe/bsw@0 352 elseif routing_mode == "forward" then
jbe/bsw@0 353 request.forward{ module = routing_module, view = routing_view }
jbe/bsw@0 354 else
jbe/bsw@0 355 error("Missing or unknown routing mode in request parameters.")
jbe/bsw@0 356 end
jbe/bsw@0 357 end
jbe/bsw@0 358 end
jbe/bsw@0 359 else
jbe/bsw@0 360 -- no action
jbe/bsw@0 361 trace.request{
jbe/bsw@0 362 module = request.get_module(),
jbe/bsw@0 363 view = request.get_view()
jbe/bsw@0 364 }
jbe/bsw@0 365 if
jbe/bsw@0 366 request.get_404_route() and
jbe/bsw@0 367 not file_exists(
jbe/bsw@0 368 encode.view_file_path{
jbe/bsw@0 369 module = request.get_module(),
jbe/bsw@0 370 view = request.get_view()
jbe/bsw@0 371 }
jbe/bsw@0 372 )
jbe/bsw@0 373 then
jbe/bsw@0 374 request.set_status("404 Not Found")
jbe/bsw@0 375 request.forward(request.get_404_route())
jbe/bsw@0 376 end
jbe/bsw@0 377 end
jbe/bsw@0 378
jbe/bsw@0 379 if not request.get_redirect_data() then
jbe@3 380 request.process_forward()
jbe/bsw@2 381 local view = request.get_view()
jbe/bsw@2 382 if string.find(view, "^_") then
jbe/bsw@2 383 error("Tried to call a private view (prefixed with underscore).")
jbe/bsw@2 384 end
jbe/bsw@0 385 execute.filtered_view{
jbe/bsw@0 386 module = request.get_module(),
jbe/bsw@2 387 view = view,
jbe/bsw@0 388 }
jbe/bsw@0 389 end
jbe/bsw@0 390
jbe/bsw@0 391 -- force error due to missing absolute base URL until its too late to display error message
jbe/bsw@0 392 --if request.get_redirect_data() then
jbe/bsw@0 393 -- request.get_absolute_baseurl()
jbe/bsw@0 394 --end
jbe/bsw@0 395
jbe/bsw@0 396 end,
jbe/bsw@0 397
jbe/bsw@0 398 function(errobj)
jbe/bsw@0 399 return {
jbe/bsw@0 400 errobj = errobj,
jbe/bsw@0 401 stacktrace = string.gsub(
jbe/bsw@0 402 debug.traceback('', 2),
jbe/bsw@0 403 "^\r?\n?stack traceback:\r?\n?", ""
jbe/bsw@0 404 )
jbe/bsw@0 405 }
jbe/bsw@0 406 end
jbe/bsw@0 407 )
jbe/bsw@0 408
jbe/bsw@0 409 if not success then trace.error{} end
jbe/bsw@0 410
jbe/bsw@0 411 -- laufzeitermittlung
jbe@65 412 trace.exectime{ real = extos.monotonic_hires_time(), cpu = os.clock() }
jbe/bsw@0 413
jbe/bsw@0 414 slot.select('trace', trace.render) -- render trace information
jbe/bsw@0 415
jbe/bsw@0 416 local redirect_data = request.get_redirect_data()
jbe/bsw@0 417
jbe/bsw@0 418 -- log error and switch to error layout, unless success
jbe/bsw@0 419 if not success then
jbe/bsw@0 420 local errobj = error_info.errobj
jbe/bsw@0 421 local stacktrace = error_info.stacktrace
jbe/bsw@11 422 if not request.get_status() and not request.get_json_request_slots() then
jbe/bsw@0 423 request.set_status("500 Internal Server Error")
jbe/bsw@0 424 end
jbe/bsw@0 425 slot.set_layout('system_error')
jbe/bsw@0 426 slot.select('system_error', function()
jbe/bsw@0 427 if getmetatable(errobj) == mondelefant.errorobject_metatable then
jbe/bsw@0 428 slot.put(
jbe/bsw@0 429 "<p>Database error of class <b>",
jbe/bsw@0 430 encode.html(errobj.code),
jbe/bsw@0 431 "</b> occured:<br/><b>",
jbe/bsw@0 432 encode.html(errobj.message),
jbe/bsw@0 433 "</b></p>"
jbe/bsw@0 434 )
jbe/bsw@0 435 else
jbe/bsw@0 436 slot.put("<p><b>", encode.html(tostring(errobj)), "</b></p>")
jbe/bsw@0 437 end
jbe/bsw@0 438 slot.put("<p>Stack trace follows:<br/>")
jbe/bsw@0 439 slot.put(encode.html_newlines(encode.html(stacktrace)))
jbe/bsw@0 440 slot.put("</p>")
jbe/bsw@0 441 end)
jbe/bsw@0 442 elseif redirect_data then
jbe/bsw@0 443 local redirect_params = {}
jbe/bsw@0 444 for key, value in pairs(redirect_data.params) do
jbe/bsw@0 445 redirect_params[key] = value
jbe/bsw@0 446 end
jbe/bsw@0 447 local slot_dump = slot.dump_all()
jbe/bsw@0 448 if slot_dump ~= "" then
jbe/bsw@0 449 redirect_params.tempstore = tempstore.save(slot_dump)
jbe/bsw@0 450 end
jbe/bsw@11 451 local json_request_slots = request.get_json_request_slots()
jbe/bsw@11 452 if json_request_slots then
jbe/bsw@11 453 redirect_params["_webmcp_json_slots[]"] = json_request_slots
jbe/bsw@11 454 end
jbe/bsw@0 455 cgi.redirect(
jbe/bsw@0 456 encode.url{
jbe/bsw@0 457 base = request.get_absolute_baseurl(),
jbe/bsw@0 458 module = redirect_data.module,
jbe/bsw@0 459 view = redirect_data.view,
jbe/bsw@0 460 id = redirect_data.id,
jbe@113 461 params = redirect_params,
jbe@113 462 anchor = redirect_data.anchor
jbe/bsw@0 463 }
jbe/bsw@0 464 )
jbe/bsw@0 465 cgi.send_data()
jbe/bsw@0 466 end
jbe/bsw@0 467
jbe/bsw@0 468 if not success or not redirect_data then
jbe/bsw@0 469
jbe/bsw@0 470 local http_status = request.get_status()
jbe/bsw@0 471 if http_status then
jbe/bsw@0 472 cgi.set_status(http_status)
jbe/bsw@0 473 end
jbe/bsw@0 474
jbe@1 475 local json_request_slots = request.get_json_request_slots()
jbe@1 476 if json_request_slots then
jbe@1 477 cgi.set_content_type('application/json')
jbe@1 478 local data = {}
jbe@1 479 for idx, slot_ident in ipairs(json_request_slots) do
jbe@1 480 data[slot_ident] = slot.get_content(slot_ident)
jbe/bsw@0 481 end
jbe@1 482 cgi.send_data(encode.json(data))
jbe/bsw@0 483 else
jbe/bsw@0 484 cgi.set_content_type(slot.get_content_type())
jbe/bsw@0 485 cgi.send_data(slot.render_layout())
jbe/bsw@0 486 end
jbe/bsw@0 487 end
jbe/bsw@0 488
jbe/bsw@0 489 exit()

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