commit dd08278e1755c128475437fed9bcba8169a47101 Author: sys4-fr Date: Sat Sep 8 14:13:20 2018 +0200 Remplissage du dépôt. diff --git a/init.lua b/init.lua new file mode 100755 index 0000000..5b85145 --- /dev/null +++ b/init.lua @@ -0,0 +1,148 @@ +local modpath = minetest.get_modpath("news") +local md5 = dofile(modpath .. "/md5.lua") + +local news = {} +local checksum +local caracteres_max = 5000 +local pages_players = {} + +local seen_checksum + +function load_news() + local newsfile = io.open(minetest.get_worldpath().."/news.txt","r") + local content + if newsfile ~= nil then + content = newsfile:read("*a") + newsfile:close() + end + + if content == nil or string.len(content) == 0 then + return + end + checksum = md5.sumhexa(content) + minetest.log("verbose", "[news] checksum is " .. checksum) + + local nb = 1 + news[nb] = "" + local commit = string.split(content, "\n\n") + + for i,line in ipairs(commit) do + if string.len(news[nb]) < caracteres_max then + news[nb] = news[nb]..minetest.formspec_escape(line.."\n\n") + else + nb = nb + 1 + news[nb] = minetest.formspec_escape(line.."\n\n") + end + end +end + +load_news() + +---- Loading/storage of seen news checksums. Write "return nil" into news.seen +---- to disable the feature. +-- Inbefore https://github.com/minetest/minetest/pull/4155 +-- Bet this issue won't be fixed before early 2017 +do + local file = io.open(minetest.get_worldpath().."/news.seen","r") + if file == nil then + seen_checksum = {} + else + local content = file:read("*a") + file:close() + seen_checksum = minetest.deserialize(content) + end + local type_seen = type(seen_checksum) + if type_seen ~= 'table' and type_seen ~= 'nil' then + minetest.log("error", "[news] Loading news.seen returned a " .. + type_seen .. ", expected table. Disabling \"seen\" feature.") + seen_checksum = nil + end +end +minetest.register_on_shutdown(function() + if seen_checksum then + local file = io.open(minetest.get_worldpath().."/news.seen", "w") + file:write(minetest.serialize(seen_checksum)) + file:close() + end +end) + + +local function show_formspec(player, page) + local name = player:get_player_name() + if not name or (player:get_hp() <= 0) then return end + local nb_pages = #news + local formspec = "size[12,10;]" + formspec = formspec.."background[-0.22,-0.60;13,11.3;news_background.jpg]" + + if page > nb_pages then + page = nb_pages + elseif page < 1 then + page = 1 + end + pages_players[name] = page + + if news[page] ~= nil then + formspec = formspec.."textarea[.50,.50;12,10;news;;"..news[page].."]" + else + formspec = formspec.."label[.50,.50;Pas d'article pour le moment]" + end + + formspec = formspec.."button_exit[2,9.25;2,1;exit;Fermer]".. + "button[6,9.25;1,1;page;<<]".. + "button[7,9.25;1,1;page;<]".. + "button[8,9.25;1,1;none;"..page.."/"..nb_pages.."]".. + "button[9,9.25;1,1;page;>]".. + "button[10,9.25;1,1;page;>>]" + + minetest.show_formspec(name,"news:news",formspec) + --minetest.log('action','Showing formspec to '..name.."page "..page) +end + + +minetest.register_on_player_receive_fields(function(player, formname, fields) + if formname == "news:news" then + local name = player:get_player_name() + if not name then return end + local page = (pages_players[name] or 1) + if fields["quit"] then + pages_players[name] = nil + return + elseif fields["page"] == "<<" then + page = page - 2 + elseif fields["page"] == "<" then + page = page - 1 + elseif fields["page"] == ">" then + page = page + 1 + elseif fields["page"] == ">>" then + page = page + 2 + end + show_formspec(player,page) + end +end) + + +minetest.register_chatcommand("news",{ + params = "", + description="Montre les news du serveur", + func = function (name,params) + local player = minetest.get_player_by_name(name) + local page + if tonumber(params) then + page = tonumber(params) + else + page = 1 + end + show_formspec(player, page) + end, +}) + + +minetest.register_on_joinplayer(function (player) + local name = player:get_player_name() + if minetest.get_player_privs(name).interact then + if seen_checksum and seen_checksum[name] ~= checksum then + seen_checksum[name] = checksum + minetest.after(6,show_formspec,player, 1) + end + end +end) diff --git a/md5.lua b/md5.lua new file mode 100644 index 0000000..5e73ba6 --- /dev/null +++ b/md5.lua @@ -0,0 +1,396 @@ +local md5 = { + _VERSION = "md5.lua 1.1.0", + _DESCRIPTION = "MD5 computation in Lua (5.1-3, LuaJIT)", + _URL = "https://github.com/kikito/md5.lua", + _LICENSE = [[ + MIT LICENSE + + Copyright (c) 2013 Enrique García Cota + Adam Baldwin + hanzao + Equi 4 Software + + 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. + ]] +} + +-- bit lib implementions + +local char, byte, format, rep, sub = + string.char, string.byte, string.format, string.rep, string.sub +local bit_or, bit_and, bit_not, bit_xor, bit_rshift, bit_lshift + +local ok, bit = pcall(require, 'bit') +if ok then + bit_or, bit_and, bit_not, bit_xor, bit_rshift, bit_lshift = bit.bor, bit.band, bit.bnot, bit.bxor, bit.rshift, bit.lshift +else + ok, bit = pcall(require, 'bit32') + + if ok then + + bit_not = bit.bnot + + local tobit = function(n) + return n <= 0x7fffffff and n or -(bit_not(n) + 1) + end + + local normalize = function(f) + return function(a,b) return tobit(f(tobit(a), tobit(b))) end + end + + bit_or, bit_and, bit_xor = normalize(bit.bor), normalize(bit.band), normalize(bit.bxor) + bit_rshift, bit_lshift = normalize(bit.rshift), normalize(bit.lshift) + + else + + local function tbl2number(tbl) + local result = 0 + local power = 1 + for i = 1, #tbl do + result = result + tbl[i] * power + power = power * 2 + end + return result + end + + local function expand(t1, t2) + local big, small = t1, t2 + if(#big < #small) then + big, small = small, big + end + -- expand small + for i = #small + 1, #big do + small[i] = 0 + end + end + + local to_bits -- needs to be declared before bit_not + + bit_not = function(n) + local tbl = to_bits(n) + local size = math.max(#tbl, 32) + for i = 1, size do + if(tbl[i] == 1) then + tbl[i] = 0 + else + tbl[i] = 1 + end + end + return tbl2number(tbl) + end + + -- defined as local above + to_bits = function (n) + if(n < 0) then + -- negative + return to_bits(bit_not(math.abs(n)) + 1) + end + -- to bits table + local tbl = {} + local cnt = 1 + local last + while n > 0 do + last = n % 2 + tbl[cnt] = last + n = (n-last)/2 + cnt = cnt + 1 + end + + return tbl + end + + bit_or = function(m, n) + local tbl_m = to_bits(m) + local tbl_n = to_bits(n) + expand(tbl_m, tbl_n) + + local tbl = {} + for i = 1, #tbl_m do + if(tbl_m[i]== 0 and tbl_n[i] == 0) then + tbl[i] = 0 + else + tbl[i] = 1 + end + end + + return tbl2number(tbl) + end + + bit_and = function(m, n) + local tbl_m = to_bits(m) + local tbl_n = to_bits(n) + expand(tbl_m, tbl_n) + + local tbl = {} + for i = 1, #tbl_m do + if(tbl_m[i]== 0 or tbl_n[i] == 0) then + tbl[i] = 0 + else + tbl[i] = 1 + end + end + + return tbl2number(tbl) + end + + bit_xor = function(m, n) + local tbl_m = to_bits(m) + local tbl_n = to_bits(n) + expand(tbl_m, tbl_n) + + local tbl = {} + for i = 1, #tbl_m do + if(tbl_m[i] ~= tbl_n[i]) then + tbl[i] = 1 + else + tbl[i] = 0 + end + end + + return tbl2number(tbl) + end + + bit_rshift = function(n, bits) + local high_bit = 0 + if(n < 0) then + -- negative + n = bit_not(math.abs(n)) + 1 + high_bit = 0x80000000 + end + + local floor = math.floor + + for i=1, bits do + n = n/2 + n = bit_or(floor(n), high_bit) + end + return floor(n) + end + + bit_lshift = function(n, bits) + if(n < 0) then + -- negative + n = bit_not(math.abs(n)) + 1 + end + + for i=1, bits do + n = n*2 + end + return bit_and(n, 0xFFFFFFFF) + end + end +end + +-- convert little-endian 32-bit int to a 4-char string +local function lei2str(i) + local f=function (s) return char( bit_and( bit_rshift(i, s), 255)) end + return f(0)..f(8)..f(16)..f(24) +end + +-- convert raw string to big-endian int +local function str2bei(s) + local v=0 + for i=1, #s do + v = v * 256 + byte(s, i) + end + return v +end + +-- convert raw string to little-endian int +local function str2lei(s) + local v=0 + for i = #s,1,-1 do + v = v*256 + byte(s, i) + end + return v +end + +-- cut up a string in little-endian ints of given size +local function cut_le_str(s,...) + local o, r = 1, {} + local args = {...} + for i=1, #args do + table.insert(r, str2lei(sub(s, o, o + args[i] - 1))) + o = o + args[i] + end + return r +end + +local swap = function (w) return str2bei(lei2str(w)) end + +-- An MD5 mplementation in Lua, requires bitlib (hacked to use LuaBit from above, ugh) +-- 10/02/2001 jcw@equi4.com + +local CONSTS = { + 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, + 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501, + 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, + 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821, + 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa, + 0xd62f105d, 0x02441453, 0xd8a1e681, 0xe7d3fbc8, + 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed, + 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a, + 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c, + 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70, + 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x04881d05, + 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665, + 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, + 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1, + 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, + 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391, + 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476 +} + +local f=function (x,y,z) return bit_or(bit_and(x,y),bit_and(-x-1,z)) end +local g=function (x,y,z) return bit_or(bit_and(x,z),bit_and(y,-z-1)) end +local h=function (x,y,z) return bit_xor(x,bit_xor(y,z)) end +local i=function (x,y,z) return bit_xor(y,bit_or(x,-z-1)) end +local z=function (ff,a,b,c,d,x,s,ac) + a=bit_and(a+ff(b,c,d)+x+ac,0xFFFFFFFF) + -- be *very* careful that left shift does not cause rounding! + return bit_or(bit_lshift(bit_and(a,bit_rshift(0xFFFFFFFF,s)),s),bit_rshift(a,32-s))+b +end + +local function transform(A,B,C,D,X) + local a,b,c,d=A,B,C,D + local t=CONSTS + + a=z(f,a,b,c,d,X[ 0], 7,t[ 1]) + d=z(f,d,a,b,c,X[ 1],12,t[ 2]) + c=z(f,c,d,a,b,X[ 2],17,t[ 3]) + b=z(f,b,c,d,a,X[ 3],22,t[ 4]) + a=z(f,a,b,c,d,X[ 4], 7,t[ 5]) + d=z(f,d,a,b,c,X[ 5],12,t[ 6]) + c=z(f,c,d,a,b,X[ 6],17,t[ 7]) + b=z(f,b,c,d,a,X[ 7],22,t[ 8]) + a=z(f,a,b,c,d,X[ 8], 7,t[ 9]) + d=z(f,d,a,b,c,X[ 9],12,t[10]) + c=z(f,c,d,a,b,X[10],17,t[11]) + b=z(f,b,c,d,a,X[11],22,t[12]) + a=z(f,a,b,c,d,X[12], 7,t[13]) + d=z(f,d,a,b,c,X[13],12,t[14]) + c=z(f,c,d,a,b,X[14],17,t[15]) + b=z(f,b,c,d,a,X[15],22,t[16]) + + a=z(g,a,b,c,d,X[ 1], 5,t[17]) + d=z(g,d,a,b,c,X[ 6], 9,t[18]) + c=z(g,c,d,a,b,X[11],14,t[19]) + b=z(g,b,c,d,a,X[ 0],20,t[20]) + a=z(g,a,b,c,d,X[ 5], 5,t[21]) + d=z(g,d,a,b,c,X[10], 9,t[22]) + c=z(g,c,d,a,b,X[15],14,t[23]) + b=z(g,b,c,d,a,X[ 4],20,t[24]) + a=z(g,a,b,c,d,X[ 9], 5,t[25]) + d=z(g,d,a,b,c,X[14], 9,t[26]) + c=z(g,c,d,a,b,X[ 3],14,t[27]) + b=z(g,b,c,d,a,X[ 8],20,t[28]) + a=z(g,a,b,c,d,X[13], 5,t[29]) + d=z(g,d,a,b,c,X[ 2], 9,t[30]) + c=z(g,c,d,a,b,X[ 7],14,t[31]) + b=z(g,b,c,d,a,X[12],20,t[32]) + + a=z(h,a,b,c,d,X[ 5], 4,t[33]) + d=z(h,d,a,b,c,X[ 8],11,t[34]) + c=z(h,c,d,a,b,X[11],16,t[35]) + b=z(h,b,c,d,a,X[14],23,t[36]) + a=z(h,a,b,c,d,X[ 1], 4,t[37]) + d=z(h,d,a,b,c,X[ 4],11,t[38]) + c=z(h,c,d,a,b,X[ 7],16,t[39]) + b=z(h,b,c,d,a,X[10],23,t[40]) + a=z(h,a,b,c,d,X[13], 4,t[41]) + d=z(h,d,a,b,c,X[ 0],11,t[42]) + c=z(h,c,d,a,b,X[ 3],16,t[43]) + b=z(h,b,c,d,a,X[ 6],23,t[44]) + a=z(h,a,b,c,d,X[ 9], 4,t[45]) + d=z(h,d,a,b,c,X[12],11,t[46]) + c=z(h,c,d,a,b,X[15],16,t[47]) + b=z(h,b,c,d,a,X[ 2],23,t[48]) + + a=z(i,a,b,c,d,X[ 0], 6,t[49]) + d=z(i,d,a,b,c,X[ 7],10,t[50]) + c=z(i,c,d,a,b,X[14],15,t[51]) + b=z(i,b,c,d,a,X[ 5],21,t[52]) + a=z(i,a,b,c,d,X[12], 6,t[53]) + d=z(i,d,a,b,c,X[ 3],10,t[54]) + c=z(i,c,d,a,b,X[10],15,t[55]) + b=z(i,b,c,d,a,X[ 1],21,t[56]) + a=z(i,a,b,c,d,X[ 8], 6,t[57]) + d=z(i,d,a,b,c,X[15],10,t[58]) + c=z(i,c,d,a,b,X[ 6],15,t[59]) + b=z(i,b,c,d,a,X[13],21,t[60]) + a=z(i,a,b,c,d,X[ 4], 6,t[61]) + d=z(i,d,a,b,c,X[11],10,t[62]) + c=z(i,c,d,a,b,X[ 2],15,t[63]) + b=z(i,b,c,d,a,X[ 9],21,t[64]) + + return bit_and(A+a,0xFFFFFFFF),bit_and(B+b,0xFFFFFFFF), + bit_and(C+c,0xFFFFFFFF),bit_and(D+d,0xFFFFFFFF) +end + +---------------------------------------------------------------- + +local function md5_update(self, s) + self.pos = self.pos + #s + s = self.buf .. s + for ii = 1, #s - 63, 64 do + local X = cut_le_str(sub(s,ii,ii+63),4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4) + assert(#X == 16) + X[0] = table.remove(X,1) -- zero based! + self.a,self.b,self.c,self.d = transform(self.a,self.b,self.c,self.d,X) + end + self.buf = sub(s, math.floor(#s/64)*64 + 1, #s) + return self +end + +local function md5_finish(self) + local msgLen = self.pos + local padLen = 56 - msgLen % 64 + + if msgLen % 64 > 56 then padLen = padLen + 64 end + + if padLen == 0 then padLen = 64 end + + local s = char(128) .. rep(char(0),padLen-1) .. lei2str(bit_and(8*msgLen, 0xFFFFFFFF)) .. lei2str(math.floor(msgLen/0x20000000)) + md5_update(self, s) + + assert(self.pos % 64 == 0) + return lei2str(self.a) .. lei2str(self.b) .. lei2str(self.c) .. lei2str(self.d) +end + +---------------------------------------------------------------- + +function md5.new() + return { a = CONSTS[65], b = CONSTS[66], c = CONSTS[67], d = CONSTS[68], + pos = 0, + buf = '', + update = md5_update, + finish = md5_finish } +end + +function md5.tohex(s) + return format("%08x%08x%08x%08x", str2bei(sub(s, 1, 4)), str2bei(sub(s, 5, 8)), str2bei(sub(s, 9, 12)), str2bei(sub(s, 13, 16))) +end + +function md5.sum(s) + return md5.new():update(s):finish() +end + +function md5.sumhexa(s) + return md5.tohex(md5.sum(s)) +end + +return md5 diff --git a/textures/news_background.jpg b/textures/news_background.jpg new file mode 100755 index 0000000..5a558d5 Binary files /dev/null and b/textures/news_background.jpg differ