v0.1 Alpha, Lua
This commit is contained in:
skunky
commit
81815642a9
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{"alias":"","url":""}
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{"expires":"999999999999999999","url":"https://"}
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After Width: | Height: | Size: 2.2 MiB |
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After Width: | Height: | Size: 2.2 KiB |
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<svg
|
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width="32"
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height="32"
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viewBox="0 0 32 32"
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sodipodi:docname="matrix.svg"
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inkscape:version="1.2.2 (b0a8486541, 2022-12-01)"
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xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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xmlns="http://www.w3.org/2000/svg"
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xmlns:svg="http://www.w3.org/2000/svg">
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<defs
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id="defs14" />
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<sodipodi:namedview
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inkscape:showpageshadow="2"
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inkscape:pageopacity="0.0"
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inkscape:window-width="1920"
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inkscape:window-height="1054"
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inkscape:window-x="0"
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inkscape:window-y="0"
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inkscape:window-maximized="1"
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inkscape:current-layer="svg10" />
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<style
|
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id="style2">
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path { fill: #000000; }
|
||||
@media (prefers-color-scheme: dark) {
|
||||
path { fill: #ffffff; }
|
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}
|
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</style>
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<path
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<path
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<path
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d="M 2,2.0000001 V 30 h 3 v 2 H 0 V 9.2650922e-8 L 5,0 v 2 z"
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id="path8"
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style="fill:#f9f9f9" />
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</svg>
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|
After Width: | Height: | Size: 2.9 KiB |
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@ -0,0 +1,81 @@
|
|||
html {
|
||||
/* background-color: black; */
|
||||
background-image: url(/etc/background.png);
|
||||
background-size: cover;
|
||||
background-size: 200%;
|
||||
}
|
||||
html, body {
|
||||
font-family: ubuntu;
|
||||
margin: 0;
|
||||
}
|
||||
html h1, p {
|
||||
color: antiquewhite;
|
||||
}
|
||||
header {
|
||||
position: sticky;
|
||||
top: 0;
|
||||
background-color: rgba(100, 100, 100, 0.364);
|
||||
backdrop-filter: blur(100px);
|
||||
display: flex;
|
||||
margin-bottom: 3%;
|
||||
padding-left: 1%;
|
||||
padding-right: 1%;
|
||||
}
|
||||
.links {
|
||||
margin-top: auto;
|
||||
margin-bottom: auto;
|
||||
margin-left: auto;
|
||||
}
|
||||
.links a {
|
||||
margin-left: 7px;
|
||||
}
|
||||
main {
|
||||
display: flex;
|
||||
justify-content: center;
|
||||
}
|
||||
body {
|
||||
background-color: rgba(0, 0, 0, 0.558);
|
||||
backdrop-filter: blur(20px);
|
||||
height: 100%;
|
||||
}
|
||||
button {
|
||||
background-color: #4600a2;
|
||||
padding: 9px;
|
||||
border-radius: 3%;
|
||||
color: white;
|
||||
transition: 0.2s;
|
||||
width: max-content;
|
||||
border: none;
|
||||
}
|
||||
button:hover {
|
||||
background-color: #7000c0;
|
||||
box-shadow: 0px 0px 50px 1px #4600a2;
|
||||
}
|
||||
form {
|
||||
background-image: linear-gradient(to top, rgb(14, 25, 64), rgb(52, 0, 120));
|
||||
padding: 3%;
|
||||
border-radius: 1%;
|
||||
margin-top: auto;
|
||||
margin-bottom: auto;
|
||||
width: 220px;
|
||||
}
|
||||
form button {
|
||||
display: flex;
|
||||
margin-left: auto;
|
||||
margin-right: auto;
|
||||
}
|
||||
form input {
|
||||
background-color: #5d5d5d8f;
|
||||
color: white;
|
||||
border: none;
|
||||
border-radius: 2px;
|
||||
padding: 2%;
|
||||
font-size: smaller;
|
||||
display: flex;
|
||||
margin-left: auto;
|
||||
margin-right: auto;
|
||||
}
|
||||
form p {
|
||||
display: flex;
|
||||
font-size: medium;
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
<html>
|
||||
<head>
|
||||
<title>🦨 URL</title>
|
||||
<link rel="stylesheet" href="/etc/theme.css">
|
||||
<meta name="author" content="lost+skunk">
|
||||
<meta charset="UTF-8">
|
||||
<meta name="keywords" content="tinyurl, tinyurl.com, short url, сокращалка урл, урл, skunky, curl, курл, курва, skunkyurl, skunkyirl">
|
||||
<meta name="description" content="URL shortener.">
|
||||
</head>
|
||||
<body>
|
||||
<header>
|
||||
<h1>SkunkyURL v0.1 Alpha</h1>
|
||||
<div class="links">
|
||||
<a href="https://git.macaw.me/skunky/skunkyurl" target="_blank"><image src="/etc/gitea.svg" title="Source Code"></a>
|
||||
<a href="https://go.kde.org/matrix/#/#skurl:skunky.p.projectsegfau.lt" target="_blank"><image src="/etc/matrix.svg" title="Matrix Room"></a>
|
||||
</div>
|
||||
</header>
|
||||
<main>
|
||||
<form action="/create" method="POST">
|
||||
<p>
|
||||
📋 <input name="url" type="text" placeholder="example.com*" autocomplete="off" spellcheck="false" /> <p>
|
||||
🔗 <input name="alias" type="text" placeholder="Example*" autocomplete="off" spellcheck="false"/> <p>
|
||||
⏱️ <input name="expires" type="text" placeholder="YYYY-MM-DD (optional)" autocomplete="off" spellcheck="false" /> <p>
|
||||
</p>
|
||||
<button type="submit">CREATE</button>
|
||||
</form>
|
||||
</main>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,388 @@
|
|||
--
|
||||
-- json.lua
|
||||
--
|
||||
-- Copyright (c) 2020 rxi
|
||||
--
|
||||
-- Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
-- this software and associated documentation files (the "Software"), to deal in
|
||||
-- the Software without restriction, including without limitation the rights to
|
||||
-- use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
|
||||
-- of the Software, and to permit persons to whom the Software is furnished to do
|
||||
-- so, subject to the following conditions:
|
||||
--
|
||||
-- The above copyright notice and this permission notice shall be included in all
|
||||
-- copies or substantial portions of the Software.
|
||||
--
|
||||
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||||
-- SOFTWARE.
|
||||
--
|
||||
|
||||
local json = { _version = "0.1.2" }
|
||||
|
||||
-------------------------------------------------------------------------------
|
||||
-- Encode
|
||||
-------------------------------------------------------------------------------
|
||||
|
||||
local encode
|
||||
|
||||
local escape_char_map = {
|
||||
[ "\\" ] = "\\",
|
||||
[ "\"" ] = "\"",
|
||||
[ "\b" ] = "b",
|
||||
[ "\f" ] = "f",
|
||||
[ "\n" ] = "n",
|
||||
[ "\r" ] = "r",
|
||||
[ "\t" ] = "t",
|
||||
}
|
||||
|
||||
local escape_char_map_inv = { [ "/" ] = "/" }
|
||||
for k, v in pairs(escape_char_map) do
|
||||
escape_char_map_inv[v] = k
|
||||
end
|
||||
|
||||
|
||||
local function escape_char(c)
|
||||
return "\\" .. (escape_char_map[c] or string.format("u%04x", c:byte()))
|
||||
end
|
||||
|
||||
|
||||
local function encode_nil(val)
|
||||
return "null"
|
||||
end
|
||||
|
||||
|
||||
local function encode_table(val, stack)
|
||||
local res = {}
|
||||
stack = stack or {}
|
||||
|
||||
-- Circular reference?
|
||||
if stack[val] then error("circular reference") end
|
||||
|
||||
stack[val] = true
|
||||
|
||||
if rawget(val, 1) ~= nil or next(val) == nil then
|
||||
-- Treat as array -- check keys are valid and it is not sparse
|
||||
local n = 0
|
||||
for k in pairs(val) do
|
||||
if type(k) ~= "number" then
|
||||
error("invalid table: mixed or invalid key types")
|
||||
end
|
||||
n = n + 1
|
||||
end
|
||||
if n ~= #val then
|
||||
error("invalid table: sparse array")
|
||||
end
|
||||
-- Encode
|
||||
for i, v in ipairs(val) do
|
||||
table.insert(res, encode(v, stack))
|
||||
end
|
||||
stack[val] = nil
|
||||
return "[" .. table.concat(res, ",") .. "]"
|
||||
|
||||
else
|
||||
-- Treat as an object
|
||||
for k, v in pairs(val) do
|
||||
if type(k) ~= "string" then
|
||||
error("invalid table: mixed or invalid key types")
|
||||
end
|
||||
table.insert(res, encode(k, stack) .. ":" .. encode(v, stack))
|
||||
end
|
||||
stack[val] = nil
|
||||
return "{" .. table.concat(res, ",") .. "}"
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
local function encode_string(val)
|
||||
return '"' .. val:gsub('[%z\1-\31\\"]', escape_char) .. '"'
|
||||
end
|
||||
|
||||
|
||||
local function encode_number(val)
|
||||
-- Check for NaN, -inf and inf
|
||||
if val ~= val or val <= -math.huge or val >= math.huge then
|
||||
error("unexpected number value '" .. tostring(val) .. "'")
|
||||
end
|
||||
return string.format("%.14g", val)
|
||||
end
|
||||
|
||||
|
||||
local type_func_map = {
|
||||
[ "nil" ] = encode_nil,
|
||||
[ "table" ] = encode_table,
|
||||
[ "string" ] = encode_string,
|
||||
[ "number" ] = encode_number,
|
||||
[ "boolean" ] = tostring,
|
||||
}
|
||||
|
||||
|
||||
encode = function(val, stack)
|
||||
local t = type(val)
|
||||
local f = type_func_map[t]
|
||||
if f then
|
||||
return f(val, stack)
|
||||
end
|
||||
error("unexpected type '" .. t .. "'")
|
||||
end
|
||||
|
||||
|
||||
function json.encode(val)
|
||||
return ( encode(val) )
|
||||
end
|
||||
|
||||
|
||||
-------------------------------------------------------------------------------
|
||||
-- Decode
|
||||
-------------------------------------------------------------------------------
|
||||
|
||||
local parse
|
||||
|
||||
local function create_set(...)
|
||||
local res = {}
|
||||
for i = 1, select("#", ...) do
|
||||
res[ select(i, ...) ] = true
|
||||
end
|
||||
return res
|
||||
end
|
||||
|
||||
local space_chars = create_set(" ", "\t", "\r", "\n")
|
||||
local delim_chars = create_set(" ", "\t", "\r", "\n", "]", "}", ",")
|
||||
local escape_chars = create_set("\\", "/", '"', "b", "f", "n", "r", "t", "u")
|
||||
local literals = create_set("true", "false", "null")
|
||||
|
||||
local literal_map = {
|
||||
[ "true" ] = true,
|
||||
[ "false" ] = false,
|
||||
[ "null" ] = nil,
|
||||
}
|
||||
|
||||
|
||||
local function next_char(str, idx, set, negate)
|
||||
for i = idx, #str do
|
||||
if set[str:sub(i, i)] ~= negate then
|
||||
return i
|
||||
end
|
||||
end
|
||||
return #str + 1
|
||||
end
|
||||
|
||||
|
||||
local function decode_error(str, idx, msg)
|
||||
local line_count = 1
|
||||
local col_count = 1
|
||||
for i = 1, idx - 1 do
|
||||
col_count = col_count + 1
|
||||
if str:sub(i, i) == "\n" then
|
||||
line_count = line_count + 1
|
||||
col_count = 1
|
||||
end
|
||||
end
|
||||
error( string.format("%s at line %d col %d", msg, line_count, col_count) )
|
||||
end
|
||||
|
||||
|
||||
local function codepoint_to_utf8(n)
|
||||
-- http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=iws-appendixa
|
||||
local f = math.floor
|
||||
if n <= 0x7f then
|
||||
return string.char(n)
|
||||
elseif n <= 0x7ff then
|
||||
return string.char(f(n / 64) + 192, n % 64 + 128)
|
||||
elseif n <= 0xffff then
|
||||
return string.char(f(n / 4096) + 224, f(n % 4096 / 64) + 128, n % 64 + 128)
|
||||
elseif n <= 0x10ffff then
|
||||
return string.char(f(n / 262144) + 240, f(n % 262144 / 4096) + 128,
|
||||
f(n % 4096 / 64) + 128, n % 64 + 128)
|
||||
end
|
||||
error( string.format("invalid unicode codepoint '%x'", n) )
|
||||
end
|
||||
|
||||
|
||||
local function parse_unicode_escape(s)
|
||||
local n1 = tonumber( s:sub(1, 4), 16 )
|
||||
local n2 = tonumber( s:sub(7, 10), 16 )
|
||||
-- Surrogate pair?
|
||||
if n2 then
|
||||
return codepoint_to_utf8((n1 - 0xd800) * 0x400 + (n2 - 0xdc00) + 0x10000)
|
||||
else
|
||||
return codepoint_to_utf8(n1)
|
||||
end
|
||||
end
|
||||
|
||||
|
||||
local function parse_string(str, i)
|
||||
local res = ""
|
||||
local j = i + 1
|
||||
local k = j
|
||||
|
||||
while j <= #str do
|
||||
local x = str:byte(j)
|
||||
|
||||
if x < 32 then
|
||||
decode_error(str, j, "control character in string")
|
||||
|
||||
elseif x == 92 then -- `\`: Escape
|
||||
res = res .. str:sub(k, j - 1)
|
||||
j = j + 1
|
||||
local c = str:sub(j, j)
|
||||
if c == "u" then
|
||||
local hex = str:match("^[dD][89aAbB]%x%x\\u%x%x%x%x", j + 1)
|
||||
or str:match("^%x%x%x%x", j + 1)
|
||||
or decode_error(str, j - 1, "invalid unicode escape in string")
|
||||
res = res .. parse_unicode_escape(hex)
|
||||
j = j + #hex
|
||||
else
|
||||
if not escape_chars[c] then
|
||||
decode_error(str, j - 1, "invalid escape char '" .. c .. "' in string")
|
||||
end
|
||||
res = res .. escape_char_map_inv[c]
|
||||
end
|
||||
k = j + 1
|
||||
|
||||
elseif x == 34 then -- `"`: End of string
|
||||
res = res .. str:sub(k, j - 1)
|
||||
return res, j + 1
|
||||
end
|
||||
|
||||
j = j + 1
|
||||
end
|
||||
|
||||
decode_error(str, i, "expected closing quote for string")
|
||||
end
|
||||
|
||||
|
||||
local function parse_number(str, i)
|
||||
local x = next_char(str, i, delim_chars)
|
||||
local s = str:sub(i, x - 1)
|
||||
local n = tonumber(s)
|
||||
if not n then
|
||||
decode_error(str, i, "invalid number '" .. s .. "'")
|
||||
end
|
||||
return n, x
|
||||
end
|
||||
|
||||
|
||||
local function parse_literal(str, i)
|
||||
local x = next_char(str, i, delim_chars)
|
||||
local word = str:sub(i, x - 1)
|
||||
if not literals[word] then
|
||||
decode_error(str, i, "invalid literal '" .. word .. "'")
|
||||
end
|
||||
return literal_map[word], x
|
||||
end
|
||||
|
||||
|
||||
local function parse_array(str, i)
|
||||
local res = {}
|
||||
local n = 1
|
||||
i = i + 1
|
||||
while 1 do
|
||||
local x
|
||||
i = next_char(str, i, space_chars, true)
|
||||
-- Empty / end of array?
|
||||
if str:sub(i, i) == "]" then
|
||||
i = i + 1
|
||||
break
|
||||
end
|
||||
-- Read token
|
||||
x, i = parse(str, i)
|
||||
res[n] = x
|
||||
n = n + 1
|
||||
-- Next token
|
||||
i = next_char(str, i, space_chars, true)
|
||||
local chr = str:sub(i, i)
|
||||
i = i + 1
|
||||
if chr == "]" then break end
|
||||
if chr ~= "," then decode_error(str, i, "expected ']' or ','") end
|
||||
end
|
||||
return res, i
|
||||
end
|
||||
|
||||
|
||||
local function parse_object(str, i)
|
||||
local res = {}
|
||||
i = i + 1
|
||||
while 1 do
|
||||
local key, val
|
||||
i = next_char(str, i, space_chars, true)
|
||||
-- Empty / end of object?
|
||||
if str:sub(i, i) == "}" then
|
||||
i = i + 1
|
||||
break
|
||||
end
|
||||
-- Read key
|
||||
if str:sub(i, i) ~= '"' then
|
||||
decode_error(str, i, "expected string for key")
|
||||
end
|
||||
key, i = parse(str, i)
|
||||
-- Read ':' delimiter
|
||||
i = next_char(str, i, space_chars, true)
|
||||
if str:sub(i, i) ~= ":" then
|
||||
decode_error(str, i, "expected ':' after key")
|
||||
end
|
||||
i = next_char(str, i + 1, space_chars, true)
|
||||
-- Read value
|
||||
val, i = parse(str, i)
|
||||
-- Set
|
||||
res[key] = val
|
||||
-- Next token
|
||||
i = next_char(str, i, space_chars, true)
|
||||
local chr = str:sub(i, i)
|
||||
i = i + 1
|
||||
if chr == "}" then break end
|
||||
if chr ~= "," then decode_error(str, i, "expected '}' or ','") end
|
||||
end
|
||||
return res, i
|
||||
end
|
||||
|
||||
|
||||
local char_func_map = {
|
||||
[ '"' ] = parse_string,
|
||||
[ "0" ] = parse_number,
|
||||
[ "1" ] = parse_number,
|
||||
[ "2" ] = parse_number,
|
||||
[ "3" ] = parse_number,
|
||||
[ "4" ] = parse_number,
|
||||
[ "5" ] = parse_number,
|
||||
[ "6" ] = parse_number,
|
||||
[ "7" ] = parse_number,
|
||||
[ "8" ] = parse_number,
|
||||
[ "9" ] = parse_number,
|
||||
[ "-" ] = parse_number,
|
||||
[ "t" ] = parse_literal,
|
||||
[ "f" ] = parse_literal,
|
||||
[ "n" ] = parse_literal,
|
||||
[ "[" ] = parse_array,
|
||||
[ "{" ] = parse_object,
|
||||
}
|
||||
|
||||
|
||||
parse = function(str, idx)
|
||||
local chr = str:sub(idx, idx)
|
||||
local f = char_func_map[chr]
|
||||
if f then
|
||||
return f(str, idx)
|
||||
end
|
||||
decode_error(str, idx, "unexpected character '" .. chr .. "'")
|
||||
end
|
||||
|
||||
|
||||
function json.decode(str)
|
||||
if type(str) ~= "string" then
|
||||
error("expected argument of type string, got " .. type(str))
|
||||
end
|
||||
local res, idx = parse(str, next_char(str, 1, space_chars, true))
|
||||
idx = next_char(str, idx, space_chars, true)
|
||||
if idx <= #str then
|
||||
decode_error(str, idx, "trailing garbage")
|
||||
end
|
||||
return res
|
||||
end
|
||||
|
||||
|
||||
return json
|
||||
|
|
@ -0,0 +1,87 @@
|
|||
ngx.req.read_body()
|
||||
local json = loadfile(string.format("%s/bytecode/jsonlib", ngx.var.document_root))()
|
||||
local arg = ngx.req.get_post_args()
|
||||
local aliasfmt = string.format("%s/aliases/", ngx.var.document_root)
|
||||
local allowwrite = true
|
||||
local function err(reason, status)
|
||||
if status == nil then status = 404 end
|
||||
ngx.status = status
|
||||
ngx.say(reason)
|
||||
allowwrite = false
|
||||
ngx.eof()
|
||||
end
|
||||
|
||||
for a, b in pairs(arg) do
|
||||
if a == "url" then
|
||||
url = b
|
||||
end if a == "alias" then
|
||||
alias = b
|
||||
end if a == "expires" then
|
||||
expires = b
|
||||
end
|
||||
end
|
||||
|
||||
if ngx.var.uri == "/" then
|
||||
ngx.header.content_type = "text/html"; local htm = io.open(string.format("%s/etc/url.htm", ngx.var.document_root)):read("*a")
|
||||
ngx.say(htm); ngx.eof()
|
||||
end
|
||||
|
||||
if ngx.var.uri == "/create" then
|
||||
if alias == "create" or alias == "etc" then ngx.say("This alias is not allowed.") ngx.eof() end
|
||||
if url:find("://") == nil then url = string.format("https://%s", url) end
|
||||
|
||||
if expires == "" then
|
||||
url = json.encode({ url = url, expires = "nil" })
|
||||
else
|
||||
url = json.encode({ url = url, expires = expires })
|
||||
end
|
||||
|
||||
local dateuri = json.decode(url)["expires"]
|
||||
if expires ~= "" then
|
||||
if dateuri:len() < 10 or dateuri:len() > 10 then
|
||||
err("Bad Data fmt.", 400)
|
||||
end
|
||||
if (expires:gsub("-", ""):gsub(":", "")) < os.date("%Y%m%d%T") then
|
||||
err("The Date less than on Server.", 400)
|
||||
end
|
||||
end
|
||||
|
||||
if (url:find("%.")) == nil then
|
||||
err("Got invalid URL.", 400)
|
||||
end
|
||||
alias = alias:gsub("%p", {["/"] = "", ["."] = ""})
|
||||
|
||||
local msg = string.format("Alias for \"%s\" is \"%s\".", json.decode(url)["url"], alias)
|
||||
if dateuri:len() ~= nil then
|
||||
msg = string.format("%s It expires at %s.", msg, dateuri)
|
||||
end
|
||||
|
||||
aliasfmt = string.format("%s%s.json", aliasfmt, alias)
|
||||
|
||||
if io.open(aliasfmt) ~= nil then
|
||||
err("Alias already exists.", 403)
|
||||
end
|
||||
|
||||
if allowwrite ~= false then
|
||||
local file = io.open(aliasfmt, "w")
|
||||
file:write(url)
|
||||
file:close()
|
||||
|
||||
ngx.say(msg)
|
||||
ngx.eof()
|
||||
end
|
||||
else
|
||||
local jfile = ""
|
||||
local opnalias = string.format("%s%s.json", aliasfmt, ngx.var.uri)
|
||||
if io.open(opnalias) == nil then
|
||||
err("The Alias was not found.")
|
||||
else
|
||||
ngx.header["Cache-Control"] = {'no-cache'}
|
||||
jfile = io.open(opnalias, "r"):read("*all")
|
||||
date = (json.decode(jfile)["expires"]:gsub("-", ""))
|
||||
if date < os.date("%Y%m%d%T") then
|
||||
os.remove(opnalias)
|
||||
end
|
||||
ngx.redirect(json.decode(jfile)["url"], 301)
|
||||
end
|
||||
end
|
||||
Loading…
Reference in New Issue