[web-devel] Yesod/WAI and multipart/form-data encoded post requests

Michael Snoyman michael at snoyman.com
Mon Feb 14 11:04:04 CET 2011

There are no *known* issues, though there could be unknown issues. Can
you send me the content of the request body itself? It looks like
you're missing some new lines after the boundaries, but I'm not sure.


On Mon, Feb 14, 2011 at 11:57 AM, Max Cantor <mxcantor at gmail.com> wrote:
> Are there any issues with handling multi-part/form-data encoded POST request?
> Here are my request headers:
> headers: [("Host",""),("User-Agent","Consumer-iOS-Phonegap/1.0 CFNetwork/485.12.7 Darwin/10.4.0"),("Content-Length","618"),("Content-Type","multipart/form-data; boundary=BEGINBOUNDARYooooeflkscdlksjlkwrglk238sd723987sdiii"),("Accept","*/*"),("Accept-Language","en-us"),("Accept-Encoding","gzip, deflate"),("Cookie","_SESSION=TZsUfNyzruNnYeETdR/BB2Y/7ns5KRUVMgRkEkghOAo2lXbZ709DsPhclsOndiFmyEttOw5FHCfzW+MVM/eIfJQEruHeE3oFeSrrfdlmSEiZq3H7x+fPOyejZPq0Sd5x"),("Connection","keep-alive")]
> And what WAI gives back as the params:
> ("geoLong","103.83032\r\nBEGINBOUNDARYooooeflkscdlksjlkwrglk238sd723987sdiii\r\nContent-Disposition: form-data; name=\"geoLat\"\r\nContent-Type: text/plain\r\n\r\n1.296149\r\nBEGINBOUNDARYooooeflkscdlksjlkwrglk238sd723987sdiii\r\nContent-Disposition: form-data; name=\"geoAccuracy\"\r\nContent-Type: text/plain\r\n\r\n65\r\nBEGINBOUNDARYooooeflkscdlksjlkwrglk238sd723987sdiii\r\nContent-Disposition: form-data; name=\"scannedTime\"\r\nContent-Type: text/plain\r\n\r\n1297677177.991\r\r\nBEGINBOUNDARYooooeflkscdlksjlkwrglk238sd723987sdiii--")
> Note that the entire request body is treated as one value to the first param instead of being broken up into multiple params.  As an HTTP newbie, Its probable that I'm constructing the HTTP request wrong but I dont see what i'm doing wrong.
> Any help would be greatly appreciated.
> Max
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