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Original file line number | Diff line number | Diff line change |
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/* globals UploadFS, InstanceStatus */ | ||
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import http from 'http'; | ||
import URL from 'url'; | ||
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const logger = new Logger('UploadProxy'); | ||
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WebApp.connectHandlers.stack.unshift({ | ||
route: '', | ||
handle: Meteor.bindEnvironment(function(req, res, next) { | ||
// Quick check to see if request should be catch | ||
if (req.url.indexOf(UploadFS.config.storesPath) === -1) { | ||
return next(); | ||
} | ||
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logger.debug('Upload URL:', req.url); | ||
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if (req.method !== 'POST') { | ||
return next(); | ||
} | ||
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// Remove store path | ||
const parsedUrl = URL.parse(req.url); | ||
const path = parsedUrl.pathname.substr(UploadFS.config.storesPath.length + 1); | ||
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// Get store | ||
const regExp = new RegExp('^\/([^\/\?]+)\/([^\/\?]+)$'); | ||
const match = regExp.exec(path); | ||
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// Request is not valid | ||
if (match === null) { | ||
res.writeHead(400); | ||
res.end(); | ||
return; | ||
} | ||
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// Get store | ||
const store = UploadFS.getStore(match[1]); | ||
if (!store) { | ||
res.writeHead(404); | ||
res.end(); | ||
return; | ||
} | ||
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// Get file | ||
const fileId = match[2]; | ||
const file = store.getCollection().findOne({_id: fileId}); | ||
if (file === undefined) { | ||
res.writeHead(404); | ||
res.end(); | ||
return; | ||
} | ||
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if (file.instanceId === InstanceStatus.id()) { | ||
logger.debug('Correct instance'); | ||
return next(); | ||
} | ||
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// Proxy to other instance | ||
const instance = InstanceStatus.getCollection().findOne({_id: file.instanceId}); | ||
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if (instance == null) { | ||
res.writeHead(404); | ||
res.end(); | ||
return; | ||
} | ||
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if (instance.extraInformation.host === process.env.INSTANCE_IP && RocketChat.isDocker() === false) { | ||
instance.extraInformation.host = 'localhost'; | ||
} | ||
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logger.debug('Wrong instance, proxing to:', `${ instance.extraInformation.host }:${ instance.extraInformation.port }`); | ||
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const options = { | ||
hostname: instance.extraInformation.host, | ||
port: instance.extraInformation.port, | ||
path: req.url, | ||
method: 'POST' | ||
}; | ||
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const proxy = http.request(options, function(proxy_res) { | ||
proxy_res.pipe(res, { | ||
end: true | ||
}); | ||
}); | ||
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req.pipe(proxy, { | ||
end: true | ||
}); | ||
}) | ||
}); |
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