“REST” interfaces

I just wanted to get something that I’ve thought for many years on record, because I don’t think I’ve ever had the chance to discuss it much before, but I believe JSON web services (“REST APIs”) and web applications should deal only in two HTTP verbs, being: GET and POST. You use GET for queries and you use POST for submissions. All POST operations go through business logic for particular services and CRUDing URLs is a supremely bad idea, in my opinion. Just wanted to get that on record. Thanks. p.s for web applications you should 3xx on success, not 2xx on success; what you do for JSON web services is up to you, but for those 2xx is probably fine.

HTTPS+SSLVerifyClient require in <Directory>+big POST = Apache error

I was configuring MediaWiki to allow uploads and was getting an error in the browser about the POST data being too large (“does not allow request data with POST requests, or the amount of data provided in the request exceeds the capacity limit.”). I had a look in the Apache error log and found:

[Thu Feb 23 16:12:45 2012] [error] [client] request body exceeds m
aximum size (131072) for SSL buffer, referer: https://www.jj5.net/morpheus/Speci
[Thu Feb 23 16:12:45 2012] [error] [client] could not buffer messa
ge body to allow SSL renegotiation to proceed, referer: https://www.jj5.net/morp

So I did some research. I found this document, File upload size which suggested editing /etc/php5/apache2/php.ini which I did:

upload_max_filesize = 20M
post_max_size = 80M

That didn’t fix the problem though. I found Request entity too large which suggested checking my setting for LimitRequestBody, but that wasn’t the problem either.

Eventually I found Bug 491763 – HTTPS+SSLVerifyClient require in <Directory>+big POST = Apache error which suggested I needed to apply the SSLRenegBufferSize directive which I did like this:

  <Location /morpheus>
    SSLVerifyClient require
    SSLVerifyDepth 1
    SSLRenegBufferSize 20971520

And then after restarting Apache the problem was solved.