Network Working GroupJ. Reschke
Intended status: Standards TrackJune 23, 2016
Expires: December 25, 2016

chat schweiz single A JSON Encoding for HTTP Header Field Values


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partnersuche saarbrücker zeitung Defining syntax for new HTTP header fields ([RFC7230], singlebörse münchen kostenlos xp) is non-trivial. Among the commonly encountered problems are: partnersuche la blue hotel

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chatroulette schweiz In HTTP, header fields with the same field name can occur multiple times within a single message (partnersuche niederösterreich gratis of [RFC7230]). When this happens, recipients are allowed to combine the field values using commas as delimiter. This rule matches nicely JSON's array format (partnersuche gratis ohne registrierung of [RFC7159]). Thus, the basic data model used here is the JSON dating site geeks

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chat schweiz app The ABNF character names and classes below are used (copied from [RFC5234], free dating site on net):

  CR               = %x0D    ; carriage return
  HTAB             = %x09    ; horizontal tab
  LF               = %x0A    ; line feed
  SP               = %x20    ; space
  VCHAR            = %x21-7E ; visible (printing) characters

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  json-field-value = #json-field-item
  json-field-item  = JSON-Text
                   ; see [RFC7159], partnersuche la blue girl,
                   ; post-processed so that only VCHAR characters
                   ; are used

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partnersuche ostschweiz wetter To map a JSON array to an HTTP header field value, process each array element separately by: coole texte für partnersuche

  1. generating the JSON representation,
  2. stripping all JSON control characters (CR, HTAB, LF), or replacing them by space ("SP") characters,
  3. replacing all remaining non-VSPACE characters by the equivalent backslash-escape sequence ([RFC7159], lustige texte für partnersuche).

online dating for relationship The resulting list of strings is transformed into an HTTP field value by combining them using comma (%x2C) plus optional SP as delimiter, and encoding the resulting string into an octet sequence using the US-ASCII character encoding scheme ([RFC0020]).chats ohne registrieren kostenlos

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  1. combine all header field instances into a single field as per partnersuche la blue meinungen of [RFC7230],
  2. add a leading begin-array ("[") octet and a trailing end-array ("]") octet, then
  3. run the resulting octet sequence through a JSON parser.

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best online dating sites for nyc This section shows how some of the existing HTTP header fields would look like if they would use the format defined by this dating site search

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best online dating sites for 2015 "Content-Length" is defined in partnersuche seriös gratis of [RFC7230], with the field value's ABNF being:partnersuche gratis steiermark

  Content-Length = 1*DIGIT

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single sucht single im saarland Content-Length is restricted to a single field instance, as it doesn't use the list production (as per free dating sites that 100 free of [RFC7230]). However, in practice multiple instances do occur, and the definition of the header field does indeed discuss how to handle these dating sites free chat

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  Content-Length = #number
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  • restrict all numbers to be non-negative integers without fractions, and
  • require that the array of values is of length 1 (but allow the case where the array is longer, but all members represent the same value)

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frauen aus osteuropa forum Content-Disposition field values, defined in [RFC6266], consist of a "disposition type" (a string), plus multiple parameters, of which at least one ("filename") sometime needs to carry non-ASCII dating app india

frauen aus polen finden For instance, the first example in android dating apps india of [RFC6266]:singlebörse internet xl

  Attachment; filename=example.html

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    "Attachment": {
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  { "Attachment": { "filename" : "example.html" } }

frauen aus polen gratis kennenlernen The third example in free dating site dk of [RFC6266] uses a filename parameter containing non-US-ASCII characters:free dating site dubai

  attachment; filename*=UTF-8''%e2%82%ac%20rates

frauen aus osteuropa kaufen Note that in this case, the "filename*" parameter uses the encoding defined in [RFC5987], representing a filename starting with the Unicode character U+20AC (EURO SIGN), followed by " rates". If the definition of Content-Disposition would have used the format proposed here, the workaround involving the "parameter*" syntax would not have been needed at all.indian dating sites quora

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frauen aus osteuropa gratis kennenlernen The WWW-Authenticate header field value is defined in la blue chat und partnersuche of [RFC7235] as a list of "challenges":partnersuche

   WWW-Authenticate = 1#challenge

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  challenge   = auth-scheme [ 1*SP ( token68 / #auth-param ) ]

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  Newauth realm="apps", type=1, title="online dating bloomington indiana"apps\"",
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      "Newauth" : {
        "realm": "apps",
        "type" : 1,
        "title" : "Login to \"apps\""
      "Basic" : {
        "realm": "simple"

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  { "Newauth" : { "realm": "apps", "type" : 1,
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  { "Basic" : { "realm": "simple"}}

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best online dating sites professionals This approach uses a default of "JSON array", using implicit array markers. An alternative would be a default of "JSON object". This would simplify the syntax for non-list-typed header fields, but all the benefits of having the same data model for both types of header fields would be gone. A hybrid approach might make sense, as long as it doesn't require any heuristics on the recipient's side.textanzeige partnersuche

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free christian dating sites 100 free This JSON-based syntax will only apply to newly introduced header fields, thus backwards compatibility is not a problem. That being said, it is conceivable that there is existing code that might trip over double quotes not being used for HTTP's quoted-string syntax (singlebörse bremerhaven bus of [RFC7230]).partnersuche la blue anmeldung

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best free dating sites 100 free In HTTP/1.1, header field values are represented by octet sequences, usually used to transmit ASCII characters, with restrictions on the use of certain control characters, and no associated default character encoding, nor a way to describe it ([RFC7230], free dating site registration). HTTP/2 does not change 10 dating sites india

free dating sites 100 free uk This specification maps all characters which can cause problems to JSON escape sequences, thereby solving the HTTP header field internationalization 10 dating websites india

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www.frauen aus Using JSON-shaped field values is believed to not introduce any new threads beyond those described in beste singlebörse im internet of [RFC7159], namely the risk of recipients using the wrong tools to parse dating site for disabled

frauen aus polen der charakter Other than that, any syntax that makes extensions easy can be used to smuggle information through field values; however, this concern is shared with other widely used formats, such as those using parameters in the form of name/value partnersuche app

partnersuche gratis at References

best online dating sites la Informative References

International Organization for Standardization, “Information technology -- 8-bit single-byte coded graphic character sets -- Part 1: Latin alphabet No. 1”, ISO/IEC 8859-1:1998, 1998.
Fielding, R. and M. Nottingham, “free dating portal uk”, Internet-Draft draft-ietf-httpbis-key-01 (work in progress), March 2016.
Reschke, J., “gratis partnersuche eu”, RFC 5987, free dating india bangalore, August 2010, <partner suchen schweiz youtube>.
Reschke, J., “partnersuche in saarbrücken”, RFC 6266, single wohnung hannover linden, June 2011, <partnersuche ostschweiz nachrichten>.
Hoffman, P. and J. Klensin, “single papa sucht single mama”, BCP 166, RFC 6365, single frau sucht mann, September 2011, <single frau sucht single mann>.
Fielding, R., Ed. and J. Reschke, Ed., “single frau sucht single mann buch”, RFC 7235, partnersuche schweiz test, June 2014, <single hannover silvester>.
van Kesteren, A., Aubourg, J., Song, J., and H. Steen, “seriöse partnervermittlung österreich vergleich”, W3C Working Draft WD-XMLHttpRequest-20140130, January 2014, <free dating site munich>.
Latest version available at <singles hannover chat>.

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greenbytes GmbH
Hafenweg 16
Muenster, NW 48155
Email: partnersuche textvorlagen kostenlos
URI: chat noir schweiz