annotate framework/env/request/set_csrf_secret.lua @ 354:e7e51bcf47d1
Fixed comment
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jbe |
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Thu Mar 26 19:02:19 2015 +0100 (2015-03-26) |
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1 --[[--
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2 request.set_csrf_secret(
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3 secret -- secret random string
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4 )
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5
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6 Sets a secret string to be used as protection against cross-site request forgery attempts. This string will be transmitted to each action via a hidden form field named "_webmcp_csrf_secret". If this function is called during an action, and there is no CGI GET/POST parameter "_webmcp_csrf_secret" already being set to the given secret, then an error will be thrown to prohibit execution of the action.
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7
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8 --]]--
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9
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10 function request.set_csrf_secret(secret)
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11 if
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12 request.get_action() and
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13 request._http_request.post_params["_webmcp_csrf_secret"] ~= secret
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14 then
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15 error("Cross-Site Request Forgery attempt detected");
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16 end
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17 request._csrf_secret = secret
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18 end
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