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68 lines
2.2 KiB
Nim
68 lines
2.2 KiB
Nim
#
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#
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# Nim's Runtime Library
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# (c) Copyright 2012 Andreas Rumpf
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#
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# See the file "copying.txt", included in this
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# distribution, for details about the copyright.
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#
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## This module implements helper procs for parsing Cookies.
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import strtabs, times
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proc parseCookies*(s: string): StringTableRef =
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## parses cookies into a string table.
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result = newStringTable(modeCaseInsensitive)
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var i = 0
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while true:
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while s[i] == ' ' or s[i] == '\t': inc(i)
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var keystart = i
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while s[i] != '=' and s[i] != '\0': inc(i)
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var keyend = i-1
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if s[i] == '\0': break
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inc(i) # skip '='
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var valstart = i
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while s[i] != ';' and s[i] != '\0': inc(i)
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result[substr(s, keystart, keyend)] = substr(s, valstart, i-1)
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if s[i] == '\0': break
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inc(i) # skip ';'
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proc setCookie*(key, value: string, domain = "", path = "",
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expires = "", noName = false,
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secure = false, httpOnly = false): string =
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## Creates a command in the format of
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## ``Set-Cookie: key=value; Domain=...; ...``
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result = ""
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if not noName: result.add("Set-Cookie: ")
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result.add key & "=" & value
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if domain != "": result.add("; Domain=" & domain)
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if path != "": result.add("; Path=" & path)
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if expires != "": result.add("; Expires=" & expires)
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if secure: result.add("; Secure")
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if httpOnly: result.add("; HttpOnly")
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proc setCookie*(key, value: string, expires: TimeInfo,
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domain = "", path = "", noName = false,
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secure = false, httpOnly = false): string =
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## Creates a command in the format of
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## ``Set-Cookie: key=value; Domain=...; ...``
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##
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## **Note:** UTC is assumed as the timezone for ``expires``.
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return setCookie(key, value, domain, path,
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format(expires, "ddd',' dd MMM yyyy HH:mm:ss 'GMT'"),
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noname, secure, httpOnly)
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when isMainModule:
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var tim = Time(int(getTime()) + 76 * (60 * 60 * 24))
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let cookie = setCookie("test", "value", tim.getGMTime())
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when not defined(testing):
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echo cookie
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let start = "Set-Cookie: test=value; Expires="
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assert cookie[0..start.high] == start
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let table = parseCookies("uid=1; kp=2")
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assert table["uid"] == "1"
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assert table["kp"] == "2"
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