BlogController.coffee 1.3 KB

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  1. request = require("request")
  2. settings = require("settings-sharelatex")
  3. logger = require("logger-sharelatex")
  4. _ = require("underscore")
  5. ErrorController = require "../Errors/ErrorController"
  6. extensionsToProxy = [".png", ".xml", ".jpeg", ".json", ".zip", ".eps"]
  7. module.exports = BlogController =
  8. getPage: (req, res, next)->
  9. url = req.url?.toLowerCase()
  10. blogUrl = "#{settings.apis.blog.url}#{url}"
  11. extensionsToProxy = [".png", ".xml", ".jpeg", ".json", ".zip", ".eps"]
  12. shouldProxy = _.find extensionsToProxy, (extension)->
  13. url.indexOf(extension) != -1
  14. if shouldProxy
  15. return BlogController._directProxy blogUrl, res
  16. logger.log url:url, "proxying request to blog api"
  17. request.get blogUrl, (err, r, data)->
  18. if r?.statusCode == 404
  19. return ErrorController.notFound(req, res, next)
  20. if err?
  21. return res.send 500
  22. data = data.trim()
  23. try
  24. data = JSON.parse(data)
  25. catch err
  26. logger.err err:err, data:data, "error parsing data from data"
  27. res.render "blog/blog_holder", data
  28. getIndexPage: (req, res)->
  29. req.url = "/blog/index.html"
  30. BlogController.getPage req, res
  31. _directProxy: (originUrl, res)->
  32. upstream = request.get(originUrl)
  33. upstream.on "error", (error) ->
  34. logger.error err: error, "blog proxy error"
  35. upstream.pipe res