overleaf/services/web/app/coffee/Features/Blog/BlogController.coffee

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1.3 KiB
CoffeeScript

request = require("request")
settings = require("settings-sharelatex")
logger = require("logger-sharelatex")
_ = require("underscore")
ErrorController = require "../Errors/ErrorController"
extensionsToProxy = [".png", ".xml", ".jpeg", ".json", ".zip", ".eps"]
module.exports = BlogController =
getPage: (req, res, next)->
url = req.url?.toLowerCase()
blogUrl = "#{settings.apis.blog.url}#{url}"
extensionsToProxy = [".png", ".xml", ".jpeg", ".json", ".zip", ".eps"]
shouldProxy = _.find extensionsToProxy, (extension)->
url.indexOf(extension) != -1
if shouldProxy
return BlogController._directProxy blogUrl, res
logger.log url:url, "proxying request to blog api"
request.get blogUrl, (err, r, data)->
if r?.statusCode == 404
return ErrorController.notFound(req, res, next)
if err?
return res.send 500
data = data.trim()
try
data = JSON.parse(data)
catch err
logger.err err:err, data:data, "error parsing data from data"
res.render "blog/blog_holder", data
getIndexPage: (req, res)->
req.url = "/blog/index.html"
BlogController.getPage req, res
_directProxy: (originUrl, res)->
upstream = request.get(originUrl)
upstream.on "error", (error) ->
logger.error err: error, "blog proxy error"
upstream.pipe res