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xpmstos

2007-Mar-03 08:35 UTC

JSON + prototype encodeURI Problem

Hello,

i want to use JSON with prototype, if i can with it send JSON data to
my RPC server, and not only like the most JSON + prototype examples in
the internet, wich tell me only how i can remote JSON data from my RPC
server.
But i think, prototype encodeURI my JSON string before send to the
server.

That is my result on the server which using the prototype
Ajax.request:

%7B%22method%22%3A%22foo%3A%3Abar%22%2C%22params%22%3A%...

That is what i need:

{"method":"foo::bar","params":...

Can i deaktivate encodeURI in the prototype Ajax.request? Or have i
ignored Something other?


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Christophe Porteneuve

2007-Mar-03 09:14 UTC

head link

Re: JSON + prototype encodeURI Problem

I''m not sure URI-encoding is an issue.  What is your
''RPC'' server
anyway?  It''s likely to be accessed through HTTP.  Be it through POST
or
GET, the default encoding format for the request is
application/x-www-url-encoded, which means the HTTP server will
automatically decode the string for you, and pass the decoded version to
your "server".

-- 
Christophe Porteneuve a.k.a. TDD
"[They] did not know it was impossible, so they did it." --Mark Twain
Email: tdd-x+CfDp/qHev2eFz/2MeuCQ@public.gmane.org

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xpmstos

2007-Mar-03 09:43 UTC

head link

Re: JSON + prototype encodeURI Problem

I use a generic PHP server which uses the PECL ext/json.
My server use this to get the data:
$data = json_decode(file_get_contents(''php://input''));

The client-code is simpel, i don''t select any encoding-formats etc.:
new Ajax.Request(''server.php'',
  {
    method: ''post'',
    parameters: JSON.stringify({
      method: ''foo::bar'',
      params: [data],
      id: new Date().getTime()
    }),
    onSuccess: function(transport){
      var res =
eval(''(''+transport.responseText+'')'');
      if (res.error) {
        alert(''Error: ''+res.error.message);
        return;
      }
      alert(res.result.desc);
    },
    onFailure: function(){ alert(''Something went wrong...'') }
  });


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Ken Snyder

2007-Mar-03 22:49 UTC

head link

JSON + prototype encodeURI Problem

xpmstos wrote:> I use a generic PHP server which uses the PECL ext/json.
> My server use this to get the data:
> $data = json_decode(file_get_contents(''php://input''));
>
> The client-code is simpel, i don''t select any encoding-formats
etc.:
> new Ajax.Request(''server.php'',
>   {
>     method: ''post'',
>     parameters: JSON.stringify({
>       method: ''foo::bar'',
>       params: [data],
>       id: new Date().getTime()
>     }), ...Hello XP,

I''m not a network guy, but I imagine you may find that some users (i.e.
those using proxy servers, or those using certain browsers) may encounter
problems when attempting to post non-url encoded characters.  In fact, it may
not work for anybody.  Traditionally, setting up a scheme like this in php would
simply request php to build the data from the posted string:

<php>
$data = $_POST;

// where data then looks like the following, based on an ajax-posted 
object run through Hash.toQueryString()
$data = array(
  ''method''=>''foo::bar'',
  ''params''=>array(''some
data'',array(''some
nested''=>''data'')),
  ''id''=>''1123123123''
);
</php>


If you WOULD like to try sending JSON, you could override the original 
prototype Hash.toQueryString method by defining it after inclusion of 
prototype something like so:

Object.extend(Hash, {
  toQueryString: function(obj) {
    JSON.stringify(obj);
  }
});

then, in the parameters, send a simple object like so:

new Ajax.Request(''server.php'',
  {
    method: ''post'',
    parameters: {
      method: ''foo::bar'',
      params: data,
      id: new Date().getTime()
    }), ...


If you do try it, let us know what you find.


Regards,

Ken Snyder

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xpmstos

2007-Mar-04 07:27 UTC

head link

Re: JSON + prototype encodeURI Problem

Hello Christophe, Hello Ken,

i use atm FF2.0, but i want a compatibility for I.E.also etc.
When i use your simple object:> new Ajax.Request(''server.php'',
>   {
>     method: ''post'',
>     parameters: {
>       method: ''foo::bar'',
>       params: data,
>       id: new Date().getTime()
>     }), ...the first chars in my string would be correct, but not the followings,
the result look like this:
{"method%22%3A%22foo%3A%3Abar%22%2C%22params%22%3A%

I worked with another solution now. I use my javascript code like
before:
 new Ajax.Request(''server.php'',
  {
    method: ''post'',
    parameters: JSON.stringify({
      method: ''foo::bar'',
      params: [data],
      id: new Date().getTime()
    }),
    onSuccess:doSomething,
    onFailure: function(){ alert(''Something went wrong...'') }
  });

But new is my little solution on the server side, i will tell, it''s
simple but it will works:
function hex2str($hex) {
  $str = ''''; $loop = 1;
  for($i=0; $i<strlen($hex); $i+=$loop) {
    $chr = substr($hex,$i,1);
    if($chr==''%'') { // found next hex
      $chr = substr($hex,$i+1,2);
      $str .= chr(hexdec($chr));
      $loop = 3;
    }
    else { // next char
      $str .= $chr;
      $loop = 1;
    }
  }
  return substr($str,0,strlen($str)-1); // kill the last "=", little
bug
}

And now, i receive the string, decode it firstly with hex2str, before
it decode as a JSON objekt:
$string = hex2str(file_get_contents(''php://input''));
$objJSON=json_decode($string);

What would you think, is it a terrible solution? Or is it acceptable?
Thanks for you help Christophe and Ken


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Richard Quadling

2007-Mar-05 10:46 UTC

head link

Re: JSON + prototype encodeURI Problem

Try something like this.

<?php
$a_SomeNestedData = array
	(
	// Some manual data.
	''Key1'' => ''Data1'',
	''Key2'' => array
		(
		''Key2.1'' => ''Data2'',
		''Key2.2'' => ''Data3'',
		),
	// Some external data.
	''POST'' =>
array_key_exists(''_POST'',$GLOBALS) ? $_POST : NULL,
	''GET'' =>
array_key_exists(''_GET'',$GLOBALS) ? $_GET : NULL,
	''COOKIE'' =>
array_key_exists(''_COOKIE'',$GLOBALS) ? $_COOKIE : NULL,
	);

$s_Response = rawurlencode(json_encode($a_SomeNestedData));
echo $s_Response;
?>

On the CLI for me, this produces ...

%7B%22Key1%22%3A%22Data1%22%2C%22Key2%22%3A%7B%22Key2.1%22%3A%22Data2%22%2C%22Key2.2%22%3A%22Data3%22%7D%2C%22POST%22%3A%5B%5D%2C%22GET%22%3A%5B%5D%2C%22COOKIE%22%3A%5B%5D%7D

Now, assuming this was the response to an AJAX request, you would then use ...

var obj_SomeNestedData = unescape(transport.responseText)

in your onSuccess handler to get the data back again.


xpmstos wrote:> I use a generic PHP server which uses the PECL ext/json.
> My server use this to get the data:
> $data = json_decode(file_get_contents(''php://input''));
>
> The client-code is simpel, i don''t select any encoding-formats
etc.:
> new Ajax.Request(''server.php'',
>   {
>     method: ''post'',
>     parameters: JSON.stringify({
>       method: ''foo::bar'',
>       params: [data],
>       id: new Date().getTime()
>     }), ...Hello XP,

I''m not a network guy, but I imagine you may find that some users
(i.e. those using proxy servers, or those using certain browsers) may
encounter problems when attempting to post non-url encoded characters.
 In fact, it may not work for anybody.  Traditionally, setting up a
scheme like this in php would simply request php to build the data
from the posted string:

<php>
$data = $_POST;

// where data then looks like the following, based on an ajax-posted
object run through Hash.toQueryString()
$data = array(
 ''method''=>''foo::bar'',
 ''params''=>array(''some
data'',array(''some
nested''=>''data'')),
 ''id''=>''1123123123''
);
</php>


If you WOULD like to try sending JSON, you could override the original
prototype Hash.toQueryString method by defining it after inclusion of
prototype something like so:

Object.extend(Hash, {
 toQueryString: function(obj) {
   JSON.stringify(obj);
 }
});

then, in the parameters, send a simple object like so:

new Ajax.Request(''server.php'',
 {
   method: ''post'',
   parameters: {
     method: ''foo::bar'',
     params: data,
     id: new Date().getTime()
   }), ...


If you do try it, let us know what you find.


Regards,

Ken Snyder
- Show quoted text -





On 04/03/07, xpmstos <tandler-aEpbh9vYmBeELgA04lAiVw@public.gmane.org>
wrote:>
> Hello Christophe, Hello Ken,
>
> i use atm FF2.0, but i want a compatibility for I.E.also etc.
> When i use your simple object:
> > new Ajax.Request(''server.php'',
> >   {
> >     method: ''post'',
> >     parameters: {
> >       method: ''foo::bar'',
> >       params: data,
> >       id: new Date().getTime()
> >     }), ...
> the first chars in my string would be correct, but not the followings,
> the result look like this:
> {"method%22%3A%22foo%3A%3Abar%22%2C%22params%22%3A%
>
> I worked with another solution now. I use my javascript code like
> before:
>  new Ajax.Request(''server.php'',
>   {
>     method: ''post'',
>     parameters: JSON.stringify({
>       method: ''foo::bar'',
>       params: [data],
>       id: new Date().getTime()
>     }),
>     onSuccess:doSomething,
>     onFailure: function(){ alert(''Something went
wrong...'') }
>   });
>
> But new is my little solution on the server side, i will tell,
it''s
> simple but it will works:
> function hex2str($hex) {
>   $str = ''''; $loop = 1;
>   for($i=0; $i<strlen($hex); $i+=$loop) {
>     $chr = substr($hex,$i,1);
>     if($chr==''%'') { // found next hex
>       $chr = substr($hex,$i+1,2);
>       $str .= chr(hexdec($chr));
>       $loop = 3;
>     }
>     else { // next char
>       $str .= $chr;
>       $loop = 1;
>     }
>   }
>   return substr($str,0,strlen($str)-1); // kill the last "=",
little
> bug
> }
>
> And now, i receive the string, decode it firstly with hex2str, before
> it decode as a JSON objekt:
> $string = hex2str(file_get_contents(''php://input''));
> $objJSON=json_decode($string);
>
> What would you think, is it a terrible solution? Or is it acceptable?
> Thanks for you help Christophe and Ken
>
>
> --~--~---------~--~----~------------~-------~--~----~
> You received this message because you are subscribed to the Google Groups
"Ruby on Rails: Spinoffs" group.
> To post to this group, send email to
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> To unsubscribe from this group, send email to
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> For more options, visit this group at
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> -~----------~----~----~----~------~----~------~--~---
>
>

-- 
-----
Richard Quadling
Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731
"Standing on the shoulders of some very clever giants!"

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Richard Quadling

2007-Mar-05 10:48 UTC

head link

Re: JSON + prototype encodeURI Problem

var obj_SomeNestedData  = eval(''('' +
unescape(transport.responseText) + '')'');

Sorry!!! Silly typo.

On 05/03/07, Richard Quadling
<rquadling-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
wrote:> Try something like this.
>
> <?php
> $a_SomeNestedData = array
>         (
>         // Some manual data.
>         ''Key1'' => ''Data1'',
>         ''Key2'' => array
>                 (
>                 ''Key2.1'' => ''Data2'',
>                 ''Key2.2'' => ''Data3'',
>                 ),
>         // Some external data.
>         ''POST'' =>
array_key_exists(''_POST'',$GLOBALS) ? $_POST : NULL,
>         ''GET'' =>
array_key_exists(''_GET'',$GLOBALS) ? $_GET : NULL,
>         ''COOKIE'' =>
array_key_exists(''_COOKIE'',$GLOBALS) ? $_COOKIE : NULL,
>         );
>
> $s_Response = rawurlencode(json_encode($a_SomeNestedData));
> echo $s_Response;
> ?>
>
> On the CLI for me, this produces ...
>
>
%7B%22Key1%22%3A%22Data1%22%2C%22Key2%22%3A%7B%22Key2.1%22%3A%22Data2%22%2C%22Key2.2%22%3A%22Data3%22%7D%2C%22POST%22%3A%5B%5D%2C%22GET%22%3A%5B%5D%2C%22COOKIE%22%3A%5B%5D%7D
>
> Now, assuming this was the response to an AJAX request, you would then use
...
>
> var obj_SomeNestedData = unescape(transport.responseText)
>
> in your onSuccess handler to get the data back again.
>
>
> xpmstos wrote:
> > I use a generic PHP server which uses the PECL ext/json.
> > My server use this to get the data:
> > $data =
json_decode(file_get_contents(''php://input''));
> >
> > The client-code is simpel, i don''t select any
encoding-formats etc.:
> > new Ajax.Request(''server.php'',
> >   {
> >     method: ''post'',
> >     parameters: JSON.stringify({
> >       method: ''foo::bar'',
> >       params: [data],
> >       id: new Date().getTime()
> >     }), ...
> Hello XP,
>
> I''m not a network guy, but I imagine you may find that some users
> (i.e. those using proxy servers, or those using certain browsers) may
> encounter problems when attempting to post non-url encoded characters.
>  In fact, it may not work for anybody.  Traditionally, setting up a
> scheme like this in php would simply request php to build the data
> from the posted string:
>
> <php>
> $data = $_POST;
>
> // where data then looks like the following, based on an ajax-posted
> object run through Hash.toQueryString()
> $data = array(
>  ''method''=>''foo::bar'',
>  ''params''=>array(''some
data'',array(''some
nested''=>''data'')),
>  ''id''=>''1123123123''
> );
> </php>
>
>
> If you WOULD like to try sending JSON, you could override the original
> prototype Hash.toQueryString method by defining it after inclusion of
> prototype something like so:
>
> Object.extend(Hash, {
>  toQueryString: function(obj) {
>    JSON.stringify(obj);
>  }
> });
>
> then, in the parameters, send a simple object like so:
>
> new Ajax.Request(''server.php'',
>  {
>    method: ''post'',
>    parameters: {
>      method: ''foo::bar'',
>      params: data,
>      id: new Date().getTime()
>    }), ...
>
>
> If you do try it, let us know what you find.
>
>
> Regards,
>
> Ken Snyder
> - Show quoted text -
>
> >
>
>
>
> On 04/03/07, xpmstos
<tandler-aEpbh9vYmBeELgA04lAiVw@public.gmane.org> wrote:
> >
> > Hello Christophe, Hello Ken,
> >
> > i use atm FF2.0, but i want a compatibility for I.E.also etc.
> > When i use your simple object:
> > > new Ajax.Request(''server.php'',
> > >   {
> > >     method: ''post'',
> > >     parameters: {
> > >       method: ''foo::bar'',
> > >       params: data,
> > >       id: new Date().getTime()
> > >     }), ...
> > the first chars in my string would be correct, but not the followings,
> > the result look like this:
> > {"method%22%3A%22foo%3A%3Abar%22%2C%22params%22%3A%
> >
> > I worked with another solution now. I use my javascript code like
> > before:
> >  new Ajax.Request(''server.php'',
> >   {
> >     method: ''post'',
> >     parameters: JSON.stringify({
> >       method: ''foo::bar'',
> >       params: [data],
> >       id: new Date().getTime()
> >     }),
> >     onSuccess:doSomething,
> >     onFailure: function(){ alert(''Something went
wrong...'') }
> >   });
> >
> > But new is my little solution on the server side, i will tell,
it''s
> > simple but it will works:
> > function hex2str($hex) {
> >   $str = ''''; $loop = 1;
> >   for($i=0; $i<strlen($hex); $i+=$loop) {
> >     $chr = substr($hex,$i,1);
> >     if($chr==''%'') { // found next hex
> >       $chr = substr($hex,$i+1,2);
> >       $str .= chr(hexdec($chr));
> >       $loop = 3;
> >     }
> >     else { // next char
> >       $str .= $chr;
> >       $loop = 1;
> >     }
> >   }
> >   return substr($str,0,strlen($str)-1); // kill the last
"=", little
> > bug
> > }
> >
> > And now, i receive the string, decode it firstly with hex2str, before
> > it decode as a JSON objekt:
> > $string = hex2str(file_get_contents(''php://input''));
> > $objJSON=json_decode($string);
> >
> > What would you think, is it a terrible solution? Or is it acceptable?
> > Thanks for you help Christophe and Ken
> >
> >
> > --~--~---------~--~----~------------~-------~--~----~
> > You received this message because you are subscribed to the Google
Groups "Ruby on Rails: Spinoffs" group.
> > To post to this group, send email to
rubyonrails-spinoffs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> > To unsubscribe from this group, send email to
rubyonrails-spinoffs-unsubscribe-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> > For more options, visit this group at
http://groups.google.com/group/rubyonrails-spinoffs?hl=en
> > -~----------~----~----~----~------~----~------~--~---
> >
> >
>
>
> --
> -----
> Richard Quadling
> Zend Certified Engineer :
http://zend.com/zce.php?c=ZEND002498&r=213474731
> "Standing on the shoulders of some very clever giants!"
>

-- 
-----
Richard Quadling
Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731
"Standing on the shoulders of some very clever giants!"

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Richard Quadling

2007-Mar-05 10:53 UTC

head link

Re: JSON + prototype encodeURI Problem

And in reverse, try escape() as the encoding function in JS and
rawurldecode() as the PHP function.

On 03/03/07, xpmstos <tandler-aEpbh9vYmBeELgA04lAiVw@public.gmane.org>
wrote:>
> Hello,
>
> i want to use JSON with prototype, if i can with it send JSON data to
> my RPC server, and not only like the most JSON + prototype examples in
> the internet, wich tell me only how i can remote JSON data from my RPC
> server.
> But i think, prototype encodeURI my JSON string before send to the
> server.
>
> That is my result on the server which using the prototype
> Ajax.request:
>
> %7B%22method%22%3A%22foo%3A%3Abar%22%2C%22params%22%3A%...
>
> That is what i need:
>
> {"method":"foo::bar","params":...
>
> Can i deaktivate encodeURI in the prototype Ajax.request? Or have i
> ignored Something other?
>
>
> >
>

-- 
-----
Richard Quadling
Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731
"Standing on the shoulders of some very clever giants!"

--~--~---------~--~----~------------~-------~--~----~
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Tom Gregory

2007-Mar-05 15:52 UTC

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Re: JSON + prototype encodeURI Problem

encodeURI() and encodeURIComponent() are preferable to escape(), as  
the first two will handle all Unicode characters; escape() will not.


TAG

On Mar 5, 2007, at 3:53 AM, Richard Quadling wrote:
>
> And in reverse, try escape() as the encoding function in JS and
> rawurldecode() as the PHP function.

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xpmstos

2007-Mar-05 20:14 UTC

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Re: JSON + prototype encodeURI Problem

i use utf8_encode on server-side before json_encode and send it back
to the client. it works perfect.

best regards


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Richard Quadling

2007-Mar-06 12:59 UTC

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Re: JSON + prototype encodeURI Problem

For completeness, can you give the full route you take in both directions?

On 05/03/07, xpmstos <tandler-aEpbh9vYmBeELgA04lAiVw@public.gmane.org>
wrote:>
> i use utf8_encode on server-side before json_encode and send it back
> to the client. it works perfect.
>
> best regards
>
>
> >
>

-- 
-----
Richard Quadling
Zend Certified Engineer : http://zend.com/zce.php?c=ZEND002498&r=213474731
"Standing on the shoulders of some very clever giants!"

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xpmstos

2007-Mar-06 18:54 UTC

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Re: JSON + prototype encodeURI Problem

ok, thats my code on client-side (i use FCKeditor as wysiwyg):

function doAction() {
  var content = oFCKeditor.GetHTML();
  content = content.replace(/"/g, "\"");

  var title = $(''title'').value; // input-field

  new Ajax.Request(''server.php'',
    {
      method: ''post'',
      parameters: JSON.stringify({
        method: ''class::function'',
        params: [title,encodeURIComponent(content)],
        id: new Date().getTime()
      }),
      onSuccess: function(transport){
        var res =
eval(''(''+transport.responseText+'')'');
        if (res.error) {
          alert(''Error: ''+res.error.message);
          return;
        }
        alert(res.result.desc);
      }
    });
}

ok, now some lines of my JSON RPC server:

function hex2str($hex) {
  $str = ''''; $loop = 1;
  for($i=0; $i<strlen($hex); $i+=$loop) {
    $chr = substr($hex,$i,1);
    if($chr==''%'') { // found next hex
      $chr = substr($hex,$i+1,2);
      $str .= chr(hexdec($chr));
      $loop = 3;
    }
    else { // next char
      $str .= $chr;
      $loop = 1;
    }
  }
  return substr($str,0,strlen($str)-1); // kill the last "=", little
bug
}

try {
  $string = hex2str(file_get_contents(''php://input''));
  $objJSON=json_decode($string);
  if(!$objJSON)
    throw new Exception(''Not JSON Data...'');

  /* do something and fill $obj->buffer with requested data */

  $response->result=$obj->buffer;
} catch (Exception $e) {
  $err=new stdClass;
  $err->message = $e->getMessage();
  $response->error=$err;
}

$response->id=$objJSON->id;

echo json_encode($response);

that is all, but i had some problems with sending html-code.
i don''t understand how i escape the control characters, i trying with
replace, but i will not work.

best regards


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Rails spinoffs - Mar 2007 - JSON + prototype encodeURI Problem

JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem

Re: JSON + prototype encodeURI Problem