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83 messages in org.w3.www-tagRE: draft findings on Unsafe Methods ...| From | Sent On | Attachments |
|---|---|---|
| Dan Connolly | Apr 15, 2002 8:50 am | |
| Larry Masinter | Apr 15, 2002 1:44 pm | |
| David Orchard | Apr 15, 2002 3:01 pm | |
| David Orchard | Apr 15, 2002 3:19 pm | |
| Mark Baker | Apr 15, 2002 8:00 pm | |
| Keith Moore | Apr 15, 2002 8:37 pm | |
| Scott Cantor | Apr 15, 2002 9:28 pm | |
| Edwin Khodabakchian | Apr 15, 2002 9:34 pm | |
| David Orchard | Apr 15, 2002 10:18 pm | |
| Paul Prescod | Apr 15, 2002 11:17 pm | |
| Tim Bray | Apr 15, 2002 11:32 pm | |
| Mark Nottingham | Apr 16, 2002 1:01 am | |
| Tim Bray | Apr 16, 2002 1:02 am | |
| Mark Nottingham | Apr 16, 2002 1:09 am | |
| Paul Prescod | Apr 16, 2002 2:11 am | |
| Paul Prescod | Apr 16, 2002 3:02 am | |
| Mark Baker | Apr 16, 2002 4:54 am | |
| Williams, Stuart | Apr 16, 2002 8:22 am | |
| Keith Moore | Apr 16, 2002 8:32 am | |
| jon...@research.att.com | Apr 16, 2002 8:44 am | |
| Scott Cantor | Apr 16, 2002 8:55 am | |
| Paul Prescod | Apr 16, 2002 9:40 am | |
| Mark Nottingham | Apr 16, 2002 9:42 am | |
| Hutchison, Nigel | Apr 16, 2002 9:43 am | |
| Henrik Frystyk Nielsen | Apr 16, 2002 10:48 am | |
| Bullard, Claude L (Len) | Apr 16, 2002 1:46 pm | |
| Larry Masinter | Apr 16, 2002 6:39 pm | |
| Roy T. Fielding | Apr 16, 2002 7:54 pm | |
| Larry Masinter | Apr 16, 2002 10:10 pm | |
| Graham Klyne | Apr 17, 2002 1:54 am | |
| Paul Prescod | Apr 18, 2002 12:33 am | |
| Graham Klyne | Apr 18, 2002 9:11 am | |
| Alex Rousskov | Apr 18, 2002 9:30 am | |
| Paul Prescod | Apr 18, 2002 9:45 am | |
| Graham Klyne | Apr 18, 2002 11:58 am | |
| Roy T. Fielding | Apr 18, 2002 3:11 pm | |
| Don Box | Apr 18, 2002 6:28 pm | |
| Mark Baker | Apr 18, 2002 8:50 pm | |
| Keith Moore | Apr 18, 2002 8:54 pm | |
| Paul Prescod | Apr 18, 2002 10:00 pm | |
| Graham Klyne | Apr 19, 2002 12:53 am | |
| Bill de hÓra | Apr 19, 2002 4:18 am | |
| Roy T. Fielding | Apr 19, 2002 1:20 pm | |
| Anne Thomas Manes | Apr 22, 2002 3:23 pm | |
| Paul Prescod | Apr 22, 2002 4:01 pm | |
| Anne Thomas Manes | Apr 22, 2002 8:17 pm | |
| Paul Prescod | Apr 22, 2002 10:21 pm | |
| Anne Thomas Manes | Apr 23, 2002 5:36 am | |
| Paul Prescod | Apr 23, 2002 12:03 pm | |
| Paul Prescod | Apr 23, 2002 2:09 pm | |
| Roy T. Fielding | Apr 23, 2002 2:14 pm | |
| Bullard, Claude L (Len) | Apr 23, 2002 2:50 pm | |
| Joshua Allen | Apr 23, 2002 2:53 pm | |
| David Orchard | Apr 23, 2002 4:14 pm | |
| Keith Moore | Apr 23, 2002 5:05 pm | |
| Roy T. Fielding | Apr 23, 2002 5:14 pm | |
| Simon St.Laurent | Apr 23, 2002 5:18 pm | |
| Larry Masinter | Apr 23, 2002 6:31 pm | |
| Mark Baker | Apr 23, 2002 6:36 pm | |
| Paul Prescod | Apr 23, 2002 8:03 pm | |
| Tim Bray | Apr 23, 2002 8:30 pm | |
| Dan Connolly | Apr 23, 2002 9:05 pm | |
| Joshua Allen | Apr 23, 2002 9:10 pm | |
| Anne Thomas Manes | Apr 23, 2002 9:28 pm | |
| Mark Nottingham | Apr 23, 2002 9:42 pm | |
| Jeff Bone | Apr 23, 2002 9:42 pm | |
| Joshua Allen | Apr 23, 2002 10:02 pm | |
| Paul Prescod | Apr 23, 2002 10:05 pm | |
| Joshua Allen | Apr 23, 2002 10:27 pm | |
| Joshua Allen | Apr 23, 2002 10:38 pm | |
| Mark Nottingham | Apr 23, 2002 10:57 pm | |
| Mark Nottingham | Apr 23, 2002 11:16 pm | |
| Joshua Allen | Apr 23, 2002 11:20 pm | |
| Dan Connolly | Apr 23, 2002 11:23 pm | |
| Tim Bray | Apr 23, 2002 11:56 pm | |
| Bullard, Claude L (Len) | Apr 24, 2002 7:23 am | |
| Larry Masinter | Apr 24, 2002 8:47 am | |
| Keith Moore | Apr 24, 2002 10:46 am | |
| Bullard, Claude L (Len) | Apr 24, 2002 10:56 am | |
| Aaron Swartz | Apr 24, 2002 11:27 am | |
| Mike Dierken | Apr 24, 2002 12:06 pm | |
| David Orchard | Apr 25, 2002 10:54 am | |
| Roy T. Fielding | May 5, 2002 3:38 am |
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| Subject: | RE: draft findings on Unsafe Methods (whenToUseGet-7) | Actions... |
|---|---|---|
| From: | Larry Masinter (LM...@acm.org) | |
| Date: | Apr 16, 2002 10:10:08 pm | |
| List: | org.w3.www-tag | |
I'm going to leave out the discussion of SOAP, since it isn't directly related to the subject line (when to use Get)
File upload is not a safe operation.
Whether file upload is safe depends on the application. Why isn't http://validator.w3.org/file-upload.html safe?
In general, most applications that involve user-supplied data being supplied to the server are not safe.
Often not, but sometimes yes.
The only exception is when the information is in the form of generalized query parameters, for which there is a trade-off between GET and POST that usually involves the size of the parameter content.
There are other exceptions; for example, where the parameter content contains non-ASCII strings; also, XForms presumes an XML content model that isn't nicely encoded in URL parameters.
GET is only desirable for those cases where the parameters can be expressed as a meaningful URI.
Even then, there are other preconditions.
The Safe header field was not implemented because it is utterly pointless to know whether or not a message is safe *after* it has been invoked.
No, it isn't 'utterly pointless'. One of the primary use cases for knowing about whether a method was 'safe' was to decide whether it was OK to re-do the method without warning the user, as is now done with POST. A Safe POST could be redone (click Reload) without prompting, and knowing after the fact was as useful as knowing before.