Module: Roda::RodaPlugins::SinatraHelpers::RequestMethods

Defined in:
lib/roda/plugins/sinatra_helpers.rb

Instance Method Summary collapse

Instance Method Details

#back ⇒ Object

Alias for referrer



307
308
309
 
# File 'lib/roda/plugins/sinatra_helpers.rb', line 307

def back
  referrer
end

#error(code = 500, body = nil) ⇒ Object

Halt processing and return the error status provided with the given code and optional body. If a single argument is given and it is not an integer, consider it the body and use a 500 status code.



315
316
317
318
319
320
321
322
323
324
 
# File 'lib/roda/plugins/sinatra_helpers.rb', line 315

def error(code=500, body = nil)
  unless code.is_a?(Integer)
    body = code
    code = 500
  end

  response.status = code
  response.body = body if body
  halt
end

#not_found(body = nil) ⇒ Object

Halt processing and return a 404 response with an optional body.



327
328
329
 
# File 'lib/roda/plugins/sinatra_helpers.rb', line 327

def not_found(body = nil)
  error(404, body)
end

#redirect(path = (no_add_script_name = true; default_redirect_path), status = default_redirect_status) ⇒ Object

If the absolute_redirects or :prefixed_redirects roda class options has been set, respect those and update the path.



333
334
335
336
337
338
339
 
# File 'lib/roda/plugins/sinatra_helpers.rb', line 333

def redirect(path=(no_add_script_name = true; default_redirect_path), status=default_redirect_status)
  opts = roda_class.opts
  absolute_redirects = opts[:absolute_redirects]
  prefixed_redirects = no_add_script_name ? false : opts[:prefixed_redirects]
  path = uri(path, absolute_redirects, prefixed_redirects) if absolute_redirects || prefixed_redirects
  super(path, status)
end

#send_file(path, opts = RodaPlugins::OPTS) ⇒ Object

Use the contents of the file at path as the response body. See plugin documentation for options.



342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
 
# File 'lib/roda/plugins/sinatra_helpers.rb', line 342

def send_file(path, opts = RodaPlugins::OPTS)
  res = response
  headers = res.headers
  if opts[:type] || !headers["Content-Type"]
    res.content_type(opts[:type] || ::File.extname(path), :default => 'application/octet-stream')
  end

  disposition = opts[:disposition]
  filename    = opts[:filename]
  if disposition || filename
    disposition ||= 'attachment'
    filename = path if filename.nil?
    res.attachment(filename, disposition)
  end

  if lm = opts[:last_modified]
    last_modified(lm)
  end

  file = ::Rack::File.new nil
  s, h, b = if Rack.release > '2'
    # :nocov:
    file.serving(self, path)
    # :nocov:
  else
    file.path = path
    file.serving(@env)
  end

  res.status = opts[:status] || s
  headers.delete("Content-Length")
  headers.replace(h.merge!(headers))
  res.body = b

  halt
rescue Errno::ENOENT
  not_found
end

#uri(addr = nil, absolute = true, add_script_name = true) ⇒ Object Also known as: url, to

Generates the absolute URI for a given path in the app. Takes Rack routers and reverse proxies into account.



383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
 
# File 'lib/roda/plugins/sinatra_helpers.rb', line 383

def uri(addr = nil, absolute = true, add_script_name = true)
  addr = addr.to_s if addr
  return addr if addr =~ /\A[A-z][A-z0-9\+\.\-]*:/
  uri = if absolute
    h = if @env.has_key?("HTTP_X_FORWARDED_HOST") || port != (ssl? ? 443 : 80)
      host_with_port
    else
      host
    end
    ["http#{'s' if ssl?}://#{h}"]
  else
    ['']
  end
  uri << script_name.to_s if add_script_name
  uri << (addr || path_info)
  File.join(uri)
end