[drakma-devel] Error while trying to POST some JSON data
Hans Hübner
hans.huebner at gmail.com
Sat Mar 23 07:07:53 UTC 2013
Peter,
thanks for the bug report. I fixed the problem (
https://github.com/edicl/drakma/commit/1973b62d969b886fc536d4ebd44cfe570308c998)
and released a new version of DRAKMA.
-Hans
On Sat, Mar 23, 2013 at 6:59 AM, Peter Stirling
<peter at pjstirling.plus.com>wrote:
> Hi,
>
> When run on drakma 1.3 the attached program signals:
>
> FORM-DATA makes only sense with POST requests.
> [Condition of type DRAKMA:PARAMETER-ERROR]
>
> Restarts:
> 0: [ABORT] Abort compilation.
> 1: [*ABORT] Return to SLIME's top level.
> 2: [ABORT] Abort thread (#<THREAD "worker" RUNNING {1004D888A3}>)
>
> Backtrace:
> 0: (DRAKMA:PARAMETER-ERROR "FORM-DATA makes only sense with POST
> requests.")
> 1: (DRAKMA:HTTP-REQUEST #<PURI:URI
> http://localhost:8181/cookie-check.php> :METHOD :GET :REDIRECT 4 :STREAM
> NIL :ADDITIONAL-HEADERS NIL :PARAMETERS (("theusername" . #1="dummy")
> ("thepassword" . #1#)) :P..
> 2: ((LABELS DRAKMA::FINISH-REQUEST :IN DRAKMA:HTTP-REQUEST) #(45 45 45
> 45 45 45 45 45 45 45 45 45 54 109 108 70 48 57 66 116 83 122 49 79 110 73
> 48 54 71 78 50 50 99 113 69 57 106 66 79 105 56 76 50 111 ..
> 3: (DRAKMA:HTTP-REQUEST #<PURI:URI http://localhost:8181/login.php>
> :COOKIE-JAR #<DRAKMA:COOKIE-JAR (with 0 cookies) {1004E26563}> :METHOD
> :POST :FORM-DATA T :PARAMETERS (("theusername" . #1="dummy") ("t..
> 4: (POST-REQUEST)
>
> On drakma 1.2.9 you get the output:
>
> 127.0.0.1 - [2013-03-23 05:47:08] "POST /login.php HTTP/1.1" 302 349 "-"
> "Drakma/1.2.9 (SBCL 1.1.5.15-0892423; Linux; 3.5.0-26-generic;
> http://weitz.de/drakma/)"
> reply is <html><head><title>302 Moved
> Temporarily</title></head><body><h1>Moved Temporarily</h1>The document has
> moved <a href='http://localhost:8181/cookie-check.php'>here</a><p><hr><address><a
> href='http://weitz.de/hunchentoot/'>Hunchentoot 1.2.14</a> <a href='
> http://www.sbcl.org/'>(SBCL 1.1.5.15-0892423)</a> at
> localhost:8181</address></p></body></html>
>
>
>
> On 22/03/13 16:21, Hans Hübner wrote:
>
> Drakma's behavior with respect to redirects has recently changed so that
> it is standard compliant. I would like to keep it that way, but if this is
> a hurdle that can't be worked around, I am open to suggestions to change it
> again.
>
> -Hans
>
>
> On Fri, Mar 22, 2013 at 5:55 PM, <rm at seid-online.de> wrote:
>
>> On Fri, Mar 22, 2013 at 12:57:15PM +0000, Peter Stirling wrote:
>> > I was getting this error too, I reverted to the previous version of
>> cl+ssl
>> > in quicklisp by putting it in the local-projects directory.
>> >
>> > I've been meaning to report another problem I've had with the new
>> version
>> > of drakma, it seems that when I POST login details to a site that I'm
>> using
>> > it replies with a redirect,
>>
>> How is the site redirecting? What's the HTTP status code they use?
>>
>> > and then drakma tries to POST the login details
>> > to the redirected page rather than accessing it with a GET. I'll try and
>> > make a test case sometime this weekend.
>>
>> Depending on the status code, that's actually valid behaviour.
>> (see: http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3.2)
>>
>> HTH Ralf Mattes
>>
>> > On 21/03/13 21:41, Peter Kuchta wrote:
>> >> Hi everybody,
>> >>
>> >> I'm trying to POST some JSON data to a web service:
>> >>
>> >> (ql:quickload :st-json)
>> >> (ql:quickload :cl-json)
>> >> (ql:quickload :drakma)
>> >>
>> >> (defvar *rc* (merge-pathnames (user-homedir-pathname)
>> ".apirc"))
>> >>
>> >> (defvar *user*
>> >> (with-open-file (s *rc*)
>> >> (st-json:read-json s)))
>> >>
>> >> (defvar api-url (st-json:getjso "url" *user*))
>> >> (defvar api-key (st-json:getjso "key" *user*))
>> >> (defvar api-email (st-json:getjso "email" *user*))
>> >>
>> >> (setf drakma:*header-stream* *standard-output*)
>> >>
>> >> (defvar *req* '(("dataset" . "tigge")
>> >> ("step" . "24")
>> >> ("date" . "20071001")
>> >> ("time" . "00")
>> >> ("origin" . "all")))
>> >>
>> >> (format t "json:~S~%" (json:encode-json-to-string *req*))
>> >>
>> >> (defun retrieve (api request)
>> >> (let* ((cookie-jar (make-instance 'drakma:cookie-jar))
>> >> (extra-headers (list (cons "From" api-email)
>> >> (cons "X-API-KEY" api-key)))
>> >> (url (concatenate 'string api-url api "/requests"))
>> >> (stream (drakma:http-request url
>> >> :additional-headers extra-headers
>> >> :accept "application/json"
>> >> :method :post
>> >> :content-type "application/json"
>> >> :external-format-out :utf-8
>> >> :external-format-in :utf-8
>> >> :redirect 100
>> >> :cookie-jar cookie-jar
>> >> :content (json:encode-json-to-string
>> >> request)
>> >> :want-stream t)))
>> >> (st-json:read-json stream)))
>> >>
>> >> (retrieve "/datasets/tigge" *req*)
>> >>
>> >> Unfortunately, I get an error, although the data seems to be encoded
>> OK to
>> >> JSON and the headers generated by drakma too, I think. Apparently
>> >> something is wrong with the :content (the list of integers in the
>> errors
>> >> message is just the list of ASCII codes of the JSON encoded data).
>> >>
>> >>
>> json:"{\"dataset\":\"tigge\",\"step\":\"24\",\"number\":\"all\",\"levtype\":\"sl\",\"date\":\"20071001\",\"time\":\"00\",\"origin\":\"all\",\"type\":\"pf\",\"param\":\"tp\",\"area\":\"70\\/-130\\/30\\/-60\",\"grid\":\"2\\/2\",\"target\":\"data.grib\"}"
>> >>
>> >> POST /v1/datasets/tigge/requests HTTP/1.1
>> >> Host: api.service.int <http://api.service.int>
>> >> User-Agent: Drakma/1.3.0 (SBCL 1.1.5; Darwin; 12.2.0;
>> >> http://weitz.de/drakma/)
>> >> Accept: application/json
>> >> Connection: close
>> >> From: me at gmail.com <mailto:me at gmail.com>
>> >> X-API-KEY: 19a0edb6d8d8dda1e6a3b21223e4f86a
>> >> Content-Type: application/json
>> >> Content-Length: 193
>> >>
>> >>
>> >> debugger invoked on a SIMPLE-TYPE-ERROR:
>> >> The value of CL+SSL::THING is #(123 34 100 97 116 97 115 101 116
>> 34
>> >> 58 34
>> >> ...), which is not of type
>> (SIMPLE-ARRAY
>> >> (UNSIGNED-BYTE 8)
>> >> (*)).
>> >>
>> >> Any idea what's wrong with this code? Many thanks in advance.
>> >>
>> >> Best regards,
>> >> Piotr
>> >>
>> >>
>> >> _______________________________________________
>> >> drakma-devel mailing list
>> >> drakma-devel at common-lisp.net
>> >> http://lists.common-lisp.net/cgi-bin/mailman/listinfo/drakma-devel
>> >
>>
>> > _______________________________________________
>> > drakma-devel mailing list
>> > drakma-devel at common-lisp.net
>> > http://lists.common-lisp.net/cgi-bin/mailman/listinfo/drakma-devel
>>
>>
>> _______________________________________________
>> drakma-devel mailing list
>> drakma-devel at common-lisp.net
>> http://lists.common-lisp.net/cgi-bin/mailman/listinfo/drakma-devel
>>
>
>
>
> _______________________________________________
> drakma-devel mailing listdrakma-devel at common-lisp.nethttp://lists.common-lisp.net/cgi-bin/mailman/listinfo/drakma-devel
>
>
>
> _______________________________________________
> drakma-devel mailing list
> drakma-devel at common-lisp.net
> http://lists.common-lisp.net/cgi-bin/mailman/listinfo/drakma-devel
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://mailman.common-lisp.net/pipermail/drakma-devel/attachments/20130323/4316372f/attachment.html>
More information about the Drakma-devel
mailing list