middlewares.js

middlewares.js

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Express middleware used during request processing

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• handleParseHeaders - runs after body-parser, checks the request has a valid appId, checks user auth, mutates the request
• allowCrossDomain - sets Access-Control-Allow-* headers and catches OPTIONS requests
• allowMethodOverride - handles method overrides sent from javascript (i.e. a PUT sent as a POST)
• handleParseErrors - runs late in the chain, catches any propogated errors