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authorMatthew Wild <mwild1@gmail.com>2013-04-11 17:32:59 +0100
committerMatthew Wild <mwild1@gmail.com>2013-04-11 17:32:59 +0100
commit8994b3afd1cd62a0caf715093095b7163fdf710c (patch)
treee8ae2c69d0325743993d43e3b2c81d7eb77bbfda /util
parentdc7aae81cdfd226b8f40b69c1f5c4d8d5b80988d (diff)
downloadprosody-8994b3afd1cd62a0caf715093095b7163fdf710c.tar.gz
prosody-8994b3afd1cd62a0caf715093095b7163fdf710c.zip
net.http, util.http: Move definitions of urlencode/decode and formencode/decode to util.http (possible to use them without unnecessary network-related dependencies)
Diffstat (limited to 'util')
-rw-r--r--util/http.lua45
1 files changed, 45 insertions, 0 deletions
diff --git a/util/http.lua b/util/http.lua
index 5b49d1d0..5dd636d9 100644
--- a/util/http.lua
+++ b/util/http.lua
@@ -7,9 +7,54 @@
local http = {};
+function http.urlencode(s)
+ return s and (s:gsub("[^a-zA-Z0-9.~_-]", function (c) return format("%%%02x", c:byte()); end));
+end
+function http.urldecode(s)
+ return s and (s:gsub("%%(%x%x)", function (c) return char(tonumber(c,16)); end));
+end
+
+local function _formencodepart(s)
+ return s and (s:gsub("%W", function (c)
+ if c ~= " " then
+ return format("%%%02x", c:byte());
+ else
+ return "+";
+ end
+ end));
+end
+
+function http.formencode(form)
+ local result = {};
+ if form[1] then -- Array of ordered { name, value }
+ for _, field in ipairs(form) do
+ t_insert(result, _formencodepart(field.name).."=".._formencodepart(field.value));
+ end
+ else -- Unordered map of name -> value
+ for name, value in pairs(form) do
+ t_insert(result, _formencodepart(name).."=".._formencodepart(value));
+ end
+ end
+ return t_concat(result, "&");
+end
+
+function http.formdecode(s)
+ if not s:match("=") then return urldecode(s); end
+ local r = {};
+ for k, v in s:gmatch("([^=&]*)=([^&]*)") do
+ k, v = k:gsub("%+", "%%20"), v:gsub("%+", "%%20");
+ k, v = urldecode(k), urldecode(v);
+ t_insert(r, { name = k, value = v });
+ r[k] = v;
+ end
+ return r;
+end
+
function http.contains_token(field, token)
field = ","..field:gsub("[ \t]", ""):lower()..",";
return field:find(","..token:lower()..",", 1, true) ~= nil;
end
+
+
return http;